xref: /freebsd/sys/dev/qlnx/qlnxe/qlnx_os.c (revision 801b12ba)
1 /*
2  * Copyright (c) 2017-2018 Cavium, Inc.
3  * All rights reserved.
4  *
5  *  Redistribution and use in source and binary forms, with or without
6  *  modification, are permitted provided that the following conditions
7  *  are met:
8  *
9  *  1. Redistributions of source code must retain the above copyright
10  *     notice, this list of conditions and the following disclaimer.
11  *  2. Redistributions in binary form must reproduce the above copyright
12  *     notice, this list of conditions and the following disclaimer in the
13  *     documentation and/or other materials provided with the distribution.
14  *
15  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19  *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25  *  POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 /*
29  * File: qlnx_os.c
30  * Author : David C Somayajulu, Cavium, Inc., San Jose, CA 95131.
31  */
32 
33 #include <sys/cdefs.h>
34 #include "qlnx_os.h"
35 #include "bcm_osal.h"
36 #include "reg_addr.h"
37 #include "ecore_gtt_reg_addr.h"
38 #include "ecore.h"
39 #include "ecore_chain.h"
40 #include "ecore_status.h"
41 #include "ecore_hw.h"
42 #include "ecore_rt_defs.h"
43 #include "ecore_init_ops.h"
44 #include "ecore_int.h"
45 #include "ecore_cxt.h"
46 #include "ecore_spq.h"
47 #include "ecore_init_fw_funcs.h"
48 #include "ecore_sp_commands.h"
49 #include "ecore_dev_api.h"
50 #include "ecore_l2_api.h"
51 #include "ecore_mcp.h"
52 #include "ecore_hw_defs.h"
53 #include "mcp_public.h"
54 #include "ecore_iro.h"
55 #include "nvm_cfg.h"
56 #include "ecore_dbg_fw_funcs.h"
57 #include "ecore_iov_api.h"
58 #include "ecore_vf_api.h"
59 
60 #include "qlnx_ioctl.h"
61 #include "qlnx_def.h"
62 #include "qlnx_ver.h"
63 
64 #ifdef QLNX_ENABLE_IWARP
65 #include "qlnx_rdma.h"
66 #endif /* #ifdef QLNX_ENABLE_IWARP */
67 
68 #ifdef CONFIG_ECORE_SRIOV
69 #include <sys/nv.h>
70 #include <sys/iov_schema.h>
71 #include <dev/pci/pci_iov.h>
72 #endif /* #ifdef CONFIG_ECORE_SRIOV */
73 
74 #include <sys/smp.h>
75 
76 /*
77  * static functions
78  */
79 /*
80  * ioctl related functions
81  */
82 static void qlnx_add_sysctls(qlnx_host_t *ha);
83 
84 /*
85  * main driver
86  */
87 static void qlnx_release(qlnx_host_t *ha);
88 static void qlnx_fp_isr(void *arg);
89 static void qlnx_init_ifnet(device_t dev, qlnx_host_t *ha);
90 static void qlnx_init(void *arg);
91 static void qlnx_init_locked(qlnx_host_t *ha);
92 static int qlnx_set_multi(qlnx_host_t *ha, uint32_t add_multi);
93 static int qlnx_set_promisc(qlnx_host_t *ha, int enabled);
94 static int qlnx_set_allmulti(qlnx_host_t *ha, int enabled);
95 static int qlnx_ioctl(if_t ifp, u_long cmd, caddr_t data);
96 static int qlnx_media_change(if_t ifp);
97 static void qlnx_media_status(if_t ifp, struct ifmediareq *ifmr);
98 static void qlnx_stop(qlnx_host_t *ha);
99 static int qlnx_send(qlnx_host_t *ha, struct qlnx_fastpath *fp,
100 		struct mbuf **m_headp);
101 static int qlnx_get_ifq_snd_maxlen(qlnx_host_t *ha);
102 static uint32_t qlnx_get_optics(qlnx_host_t *ha,
103 			struct qlnx_link_output *if_link);
104 static int qlnx_transmit(if_t ifp, struct mbuf  *mp);
105 static int qlnx_transmit_locked(if_t ifp, struct qlnx_fastpath *fp,
106 		struct mbuf *mp);
107 static void qlnx_qflush(if_t ifp);
108 
109 static int qlnx_alloc_parent_dma_tag(qlnx_host_t *ha);
110 static void qlnx_free_parent_dma_tag(qlnx_host_t *ha);
111 static int qlnx_alloc_tx_dma_tag(qlnx_host_t *ha);
112 static void qlnx_free_tx_dma_tag(qlnx_host_t *ha);
113 static int qlnx_alloc_rx_dma_tag(qlnx_host_t *ha);
114 static void qlnx_free_rx_dma_tag(qlnx_host_t *ha);
115 
116 static int qlnx_get_mfw_version(qlnx_host_t *ha, uint32_t *mfw_ver);
117 static int qlnx_get_flash_size(qlnx_host_t *ha, uint32_t *flash_size);
118 
119 static int qlnx_nic_setup(struct ecore_dev *cdev,
120 		struct ecore_pf_params *func_params);
121 static int qlnx_nic_start(struct ecore_dev *cdev);
122 static int qlnx_slowpath_start(qlnx_host_t *ha);
123 static int qlnx_slowpath_stop(qlnx_host_t *ha);
124 static int qlnx_init_hw(qlnx_host_t *ha);
125 static void qlnx_set_id(struct ecore_dev *cdev, char name[NAME_SIZE],
126 		char ver_str[VER_SIZE]);
127 static void qlnx_unload(qlnx_host_t *ha);
128 static int qlnx_load(qlnx_host_t *ha);
129 static void qlnx_hw_set_multi(qlnx_host_t *ha, uint8_t *mta, uint32_t mcnt,
130 		uint32_t add_mac);
131 static void qlnx_dump_buf8(qlnx_host_t *ha, const char *msg, void *dbuf,
132 		uint32_t len);
133 static int qlnx_alloc_rx_buffer(qlnx_host_t *ha, struct qlnx_rx_queue *rxq);
134 static void qlnx_reuse_rx_data(struct qlnx_rx_queue *rxq);
135 static void qlnx_update_rx_prod(struct ecore_hwfn *p_hwfn,
136 		struct qlnx_rx_queue *rxq);
137 static int qlnx_set_rx_accept_filter(qlnx_host_t *ha, uint8_t filter);
138 static int qlnx_grc_dumpsize(qlnx_host_t *ha, uint32_t *num_dwords,
139 		int hwfn_index);
140 static int qlnx_idle_chk_size(qlnx_host_t *ha, uint32_t *num_dwords,
141 		int hwfn_index);
142 static void qlnx_timer(void *arg);
143 static int qlnx_alloc_tx_br(qlnx_host_t *ha, struct qlnx_fastpath *fp);
144 static void qlnx_free_tx_br(qlnx_host_t *ha, struct qlnx_fastpath *fp);
145 static void qlnx_trigger_dump(qlnx_host_t *ha);
146 static uint16_t qlnx_num_tx_compl(qlnx_host_t *ha, struct qlnx_fastpath *fp,
147 			struct qlnx_tx_queue *txq);
148 static void qlnx_tx_int(qlnx_host_t *ha, struct qlnx_fastpath *fp,
149 		struct qlnx_tx_queue *txq);
150 static int qlnx_rx_int(qlnx_host_t *ha, struct qlnx_fastpath *fp, int budget,
151 		int lro_enable);
152 static void qlnx_fp_taskqueue(void *context, int pending);
153 static void qlnx_sample_storm_stats(qlnx_host_t *ha);
154 static int qlnx_alloc_tpa_mbuf(qlnx_host_t *ha, uint16_t rx_buf_size,
155 		struct qlnx_agg_info *tpa);
156 static void qlnx_free_tpa_mbuf(qlnx_host_t *ha, struct qlnx_agg_info *tpa);
157 
158 static uint64_t qlnx_get_counter(if_t ifp, ift_counter cnt);
159 
160 /*
161  * Hooks to the Operating Systems
162  */
163 static int qlnx_pci_probe (device_t);
164 static int qlnx_pci_attach (device_t);
165 static int qlnx_pci_detach (device_t);
166 
167 #ifndef QLNX_VF
168 
169 #ifdef CONFIG_ECORE_SRIOV
170 
171 static int qlnx_iov_init(device_t dev, uint16_t num_vfs, const nvlist_t *params);
172 static void qlnx_iov_uninit(device_t dev);
173 static int qlnx_iov_add_vf(device_t dev, uint16_t vfnum, const nvlist_t *params);
174 static void qlnx_initialize_sriov(qlnx_host_t *ha);
175 static void qlnx_pf_taskqueue(void *context, int pending);
176 static int qlnx_create_pf_taskqueues(qlnx_host_t *ha);
177 static void qlnx_destroy_pf_taskqueues(qlnx_host_t *ha);
178 static void qlnx_inform_vf_link_state(struct ecore_hwfn *p_hwfn, qlnx_host_t *ha);
179 
180 #endif /* #ifdef CONFIG_ECORE_SRIOV */
181 
182 static device_method_t qlnx_pci_methods[] = {
183 	/* Device interface */
184 	DEVMETHOD(device_probe, qlnx_pci_probe),
185 	DEVMETHOD(device_attach, qlnx_pci_attach),
186 	DEVMETHOD(device_detach, qlnx_pci_detach),
187 
188 #ifdef CONFIG_ECORE_SRIOV
189 	DEVMETHOD(pci_iov_init, qlnx_iov_init),
190 	DEVMETHOD(pci_iov_uninit, qlnx_iov_uninit),
191 	DEVMETHOD(pci_iov_add_vf, qlnx_iov_add_vf),
192 #endif /* #ifdef CONFIG_ECORE_SRIOV */
193 	{ 0, 0 }
194 };
195 
196 static driver_t qlnx_pci_driver = {
197 	"ql", qlnx_pci_methods, sizeof (qlnx_host_t),
198 };
199 
200 MODULE_VERSION(if_qlnxe,1);
201 DRIVER_MODULE(if_qlnxe, pci, qlnx_pci_driver, 0, 0);
202 
203 MODULE_DEPEND(if_qlnxe, pci, 1, 1, 1);
204 MODULE_DEPEND(if_qlnxe, ether, 1, 1, 1);
205 
206 #else
207 
208 static device_method_t qlnxv_pci_methods[] = {
209 	/* Device interface */
210 	DEVMETHOD(device_probe, qlnx_pci_probe),
211 	DEVMETHOD(device_attach, qlnx_pci_attach),
212 	DEVMETHOD(device_detach, qlnx_pci_detach),
213 	{ 0, 0 }
214 };
215 
216 static driver_t qlnxv_pci_driver = {
217 	"ql", qlnxv_pci_methods, sizeof (qlnx_host_t),
218 };
219 
220 MODULE_VERSION(if_qlnxev,1);
221 DRIVER_MODULE(if_qlnxev, pci, qlnxv_pci_driver, 0, 0);
222 
223 MODULE_DEPEND(if_qlnxev, pci, 1, 1, 1);
224 MODULE_DEPEND(if_qlnxev, ether, 1, 1, 1);
225 
226 #endif /* #ifdef QLNX_VF */
227 
228 MALLOC_DEFINE(M_QLNXBUF, "qlnxbuf", "Buffers for qlnx driver");
229 
230 char qlnx_ver_str[VER_SIZE];
231 char qlnx_name_str[NAME_SIZE];
232 
233 /*
234  * Some PCI Configuration Space Related Defines
235  */
236 
237 #ifndef PCI_VENDOR_QLOGIC
238 #define PCI_VENDOR_QLOGIC		0x1077
239 #endif
240 
241 /* 40G Adapter QLE45xxx*/
242 #ifndef QLOGIC_PCI_DEVICE_ID_1634
243 #define QLOGIC_PCI_DEVICE_ID_1634	0x1634
244 #endif
245 
246 /* 100G Adapter QLE45xxx*/
247 #ifndef QLOGIC_PCI_DEVICE_ID_1644
248 #define QLOGIC_PCI_DEVICE_ID_1644	0x1644
249 #endif
250 
251 /* 25G Adapter QLE45xxx*/
252 #ifndef QLOGIC_PCI_DEVICE_ID_1656
253 #define QLOGIC_PCI_DEVICE_ID_1656	0x1656
254 #endif
255 
256 /* 50G Adapter QLE45xxx*/
257 #ifndef QLOGIC_PCI_DEVICE_ID_1654
258 #define QLOGIC_PCI_DEVICE_ID_1654	0x1654
259 #endif
260 
261 /* 10G/25G/40G Adapter QLE41xxx*/
262 #ifndef QLOGIC_PCI_DEVICE_ID_8070
263 #define QLOGIC_PCI_DEVICE_ID_8070	0x8070
264 #endif
265 
266 /* SRIOV Device (All Speeds) Adapter QLE41xxx*/
267 #ifndef QLOGIC_PCI_DEVICE_ID_8090
268 #define QLOGIC_PCI_DEVICE_ID_8090	0x8090
269 #endif
270 
271 SYSCTL_NODE(_hw, OID_AUTO, qlnxe, CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
272     "qlnxe driver parameters");
273 
274 /* Number of Queues: 0 (Auto) or 1 to 32 (fixed queue number) */
275 static int qlnxe_queue_count = QLNX_DEFAULT_RSS;
276 
277 SYSCTL_INT(_hw_qlnxe, OID_AUTO, queue_count, CTLFLAG_RDTUN,
278 		&qlnxe_queue_count, 0, "Multi-Queue queue count");
279 
280 /*
281  * Note on RDMA personality setting
282  *
283  * Read the personality configured in NVRAM
284  * If the personality is ETH_ONLY, ETH_IWARP or ETH_ROCE and
285  * the configured personality in sysctl is QLNX_PERSONALITY_DEFAULT
286  * use the personality in NVRAM.
287 
288  * Otherwise use t the personality configured in sysctl.
289  *
290  */
291 #define QLNX_PERSONALITY_DEFAULT	0x0  /* use personality in NVRAM */
292 #define QLNX_PERSONALITY_ETH_ONLY	0x1  /* Override with ETH_ONLY */
293 #define QLNX_PERSONALITY_ETH_IWARP	0x2  /* Override with ETH_IWARP */
294 #define QLNX_PERSONALITY_ETH_ROCE	0x3  /* Override with ETH_ROCE */
295 #define QLNX_PERSONALITY_BITS_PER_FUNC	4
296 #define QLNX_PERSONALIY_MASK		0xF
297 
298 /* RDMA configuration; 64bit field allows setting for 16 physical functions*/
299 static uint64_t qlnxe_rdma_configuration = 0x22222222;
300 
301 SYSCTL_U64(_hw_qlnxe, OID_AUTO, rdma_configuration, CTLFLAG_RDTUN,
302                 &qlnxe_rdma_configuration, 0, "RDMA Configuration");
303 
304 int
qlnx_vf_device(qlnx_host_t * ha)305 qlnx_vf_device(qlnx_host_t *ha)
306 {
307         uint16_t	device_id;
308 
309         device_id = ha->device_id;
310 
311         if (device_id == QLOGIC_PCI_DEVICE_ID_8090)
312                 return 0;
313 
314         return -1;
315 }
316 
317 static int
qlnx_valid_device(qlnx_host_t * ha)318 qlnx_valid_device(qlnx_host_t *ha)
319 {
320         uint16_t device_id;
321 
322         device_id = ha->device_id;
323 
324 #ifndef QLNX_VF
325         if ((device_id == QLOGIC_PCI_DEVICE_ID_1634) ||
326                 (device_id == QLOGIC_PCI_DEVICE_ID_1644) ||
327                 (device_id == QLOGIC_PCI_DEVICE_ID_1656) ||
328                 (device_id == QLOGIC_PCI_DEVICE_ID_1654) ||
329                 (device_id == QLOGIC_PCI_DEVICE_ID_8070))
330                 return 0;
331 #else
332         if (device_id == QLOGIC_PCI_DEVICE_ID_8090)
333 		return 0;
334 
335 #endif /* #ifndef QLNX_VF */
336         return -1;
337 }
338 
339 #ifdef QLNX_ENABLE_IWARP
340 static int
qlnx_rdma_supported(struct qlnx_host * ha)341 qlnx_rdma_supported(struct qlnx_host *ha)
342 {
343 	uint16_t device_id;
344 
345 	device_id = pci_get_device(ha->pci_dev);
346 
347 	if ((device_id == QLOGIC_PCI_DEVICE_ID_1634) ||
348 		(device_id == QLOGIC_PCI_DEVICE_ID_1656) ||
349 		(device_id == QLOGIC_PCI_DEVICE_ID_1654) ||
350 		(device_id == QLOGIC_PCI_DEVICE_ID_8070))
351 		return (0);
352 
353 	return (-1);
354 }
355 #endif /* #ifdef QLNX_ENABLE_IWARP */
356 
357 /*
358  * Name:	qlnx_pci_probe
359  * Function:	Validate the PCI device to be a QLA80XX device
360  */
361 static int
qlnx_pci_probe(device_t dev)362 qlnx_pci_probe(device_t dev)
363 {
364 	snprintf(qlnx_ver_str, sizeof(qlnx_ver_str), "v%d.%d.%d",
365 		QLNX_VERSION_MAJOR, QLNX_VERSION_MINOR, QLNX_VERSION_BUILD);
366 	snprintf(qlnx_name_str, sizeof(qlnx_name_str), "qlnx");
367 
368 	if (pci_get_vendor(dev) != PCI_VENDOR_QLOGIC) {
369                 return (ENXIO);
370 	}
371 
372         switch (pci_get_device(dev)) {
373 #ifndef QLNX_VF
374 
375         case QLOGIC_PCI_DEVICE_ID_1644:
376 		device_set_descf(dev, "%s v%d.%d.%d",
377 			"Qlogic 100GbE PCI CNA Adapter-Ethernet Function",
378 			QLNX_VERSION_MAJOR, QLNX_VERSION_MINOR,
379 			QLNX_VERSION_BUILD);
380                 break;
381 
382         case QLOGIC_PCI_DEVICE_ID_1634:
383 		device_set_descf(dev, "%s v%d.%d.%d",
384 			"Qlogic 40GbE PCI CNA Adapter-Ethernet Function",
385 			QLNX_VERSION_MAJOR, QLNX_VERSION_MINOR,
386 			QLNX_VERSION_BUILD);
387                 break;
388 
389         case QLOGIC_PCI_DEVICE_ID_1656:
390 		device_set_descf(dev, "%s v%d.%d.%d",
391 			"Qlogic 25GbE PCI CNA Adapter-Ethernet Function",
392 			QLNX_VERSION_MAJOR, QLNX_VERSION_MINOR,
393 			QLNX_VERSION_BUILD);
394                 break;
395 
396         case QLOGIC_PCI_DEVICE_ID_1654:
397 		device_set_descf(dev, "%s v%d.%d.%d",
398 			"Qlogic 50GbE PCI CNA Adapter-Ethernet Function",
399 			QLNX_VERSION_MAJOR, QLNX_VERSION_MINOR,
400 			QLNX_VERSION_BUILD);
401                 break;
402 
403 	case QLOGIC_PCI_DEVICE_ID_8070:
404 		device_set_descf(dev, "%s v%d.%d.%d",
405 			"Qlogic 10GbE/25GbE/40GbE PCI CNA (AH)"
406 			" Adapter-Ethernet Function",
407 			QLNX_VERSION_MAJOR, QLNX_VERSION_MINOR,
408 			QLNX_VERSION_BUILD);
409 		break;
410 
411 #else
412 	case QLOGIC_PCI_DEVICE_ID_8090:
413 		device_set_descf(dev, "%s v%d.%d.%d",
414 			"Qlogic SRIOV PCI CNA (AH) "
415 			"Adapter-Ethernet Function",
416 			QLNX_VERSION_MAJOR, QLNX_VERSION_MINOR,
417 			QLNX_VERSION_BUILD);
418 		break;
419 
420 #endif /* #ifndef QLNX_VF */
421 
422         default:
423                 return (ENXIO);
424         }
425 
426 #ifdef QLNX_ENABLE_IWARP
427 	qlnx_rdma_init();
428 #endif /* #ifdef QLNX_ENABLE_IWARP */
429 
430         return (BUS_PROBE_DEFAULT);
431 }
432 
433 static uint16_t
qlnx_num_tx_compl(qlnx_host_t * ha,struct qlnx_fastpath * fp,struct qlnx_tx_queue * txq)434 qlnx_num_tx_compl(qlnx_host_t *ha, struct qlnx_fastpath *fp,
435 	struct qlnx_tx_queue *txq)
436 {
437 	u16 hw_bd_cons;
438 	u16 ecore_cons_idx;
439 
440 	hw_bd_cons = le16toh(*txq->hw_cons_ptr);
441 
442 	ecore_cons_idx = ecore_chain_get_cons_idx(&txq->tx_pbl);
443 
444 	return (hw_bd_cons - ecore_cons_idx);
445 }
446 
447 static void
qlnx_sp_intr(void * arg)448 qlnx_sp_intr(void *arg)
449 {
450 	struct ecore_hwfn	*p_hwfn;
451 	qlnx_host_t		*ha;
452 	int			i;
453 
454 	p_hwfn = arg;
455 
456 	if (p_hwfn == NULL) {
457 		printf("%s: spurious slowpath intr\n", __func__);
458 		return;
459 	}
460 
461 	ha = (qlnx_host_t *)p_hwfn->p_dev;
462 
463 	QL_DPRINT2(ha, "enter\n");
464 
465 	for (i = 0; i < ha->cdev.num_hwfns; i++) {
466 		if (&ha->cdev.hwfns[i] == p_hwfn) {
467 			taskqueue_enqueue(ha->sp_taskqueue[i], &ha->sp_task[i]);
468 			break;
469 		}
470 	}
471 	QL_DPRINT2(ha, "exit\n");
472 
473 	return;
474 }
475 
476 static void
qlnx_sp_taskqueue(void * context,int pending)477 qlnx_sp_taskqueue(void *context, int pending)
478 {
479 	struct ecore_hwfn	*p_hwfn;
480 
481 	p_hwfn = context;
482 
483 	if (p_hwfn != NULL) {
484 		qlnx_sp_isr(p_hwfn);
485 	}
486 	return;
487 }
488 
489 static int
qlnx_create_sp_taskqueues(qlnx_host_t * ha)490 qlnx_create_sp_taskqueues(qlnx_host_t *ha)
491 {
492 	int	i;
493 	uint8_t	tq_name[32];
494 
495 	for (i = 0; i < ha->cdev.num_hwfns; i++) {
496                 struct ecore_hwfn *p_hwfn = &ha->cdev.hwfns[i];
497 
498 		bzero(tq_name, sizeof (tq_name));
499 		snprintf(tq_name, sizeof (tq_name), "ql_sp_tq_%d", i);
500 
501 		TASK_INIT(&ha->sp_task[i], 0, qlnx_sp_taskqueue, p_hwfn);
502 
503 		ha->sp_taskqueue[i] = taskqueue_create(tq_name, M_NOWAIT,
504 			 taskqueue_thread_enqueue, &ha->sp_taskqueue[i]);
505 
506 		if (ha->sp_taskqueue[i] == NULL)
507 			return (-1);
508 
509 		taskqueue_start_threads(&ha->sp_taskqueue[i], 1, PI_NET, "%s",
510 			tq_name);
511 
512 		QL_DPRINT1(ha, "%p\n", ha->sp_taskqueue[i]);
513 	}
514 
515 	return (0);
516 }
517 
518 static void
qlnx_destroy_sp_taskqueues(qlnx_host_t * ha)519 qlnx_destroy_sp_taskqueues(qlnx_host_t *ha)
520 {
521 	int	i;
522 
523 	for (i = 0; i < ha->cdev.num_hwfns; i++) {
524 		if (ha->sp_taskqueue[i] != NULL) {
525 			taskqueue_drain(ha->sp_taskqueue[i], &ha->sp_task[i]);
526 			taskqueue_free(ha->sp_taskqueue[i]);
527 		}
528 	}
529 	return;
530 }
531 
532 static void
qlnx_fp_taskqueue(void * context,int pending)533 qlnx_fp_taskqueue(void *context, int pending)
534 {
535         struct qlnx_fastpath	*fp;
536         qlnx_host_t		*ha;
537         if_t			ifp;
538 
539         fp = context;
540 
541         if (fp == NULL)
542                 return;
543 
544 	ha = (qlnx_host_t *)fp->edev;
545 
546 	ifp = ha->ifp;
547 
548         if(if_getdrvflags(ifp) & IFF_DRV_RUNNING) {
549                 if (!drbr_empty(ifp, fp->tx_br)) {
550                         if(mtx_trylock(&fp->tx_mtx)) {
551 #ifdef QLNX_TRACE_PERF_DATA
552                                 tx_pkts = fp->tx_pkts_transmitted;
553                                 tx_compl = fp->tx_pkts_completed;
554 #endif
555 
556                                 qlnx_transmit_locked(ifp, fp, NULL);
557 
558 #ifdef QLNX_TRACE_PERF_DATA
559                                 fp->tx_pkts_trans_fp +=
560 					(fp->tx_pkts_transmitted - tx_pkts);
561                                 fp->tx_pkts_compl_fp +=
562 					(fp->tx_pkts_completed - tx_compl);
563 #endif
564                                 mtx_unlock(&fp->tx_mtx);
565                         }
566                 }
567         }
568 
569         QL_DPRINT2(ha, "exit \n");
570         return;
571 }
572 
573 static int
qlnx_create_fp_taskqueues(qlnx_host_t * ha)574 qlnx_create_fp_taskqueues(qlnx_host_t *ha)
575 {
576 	int	i;
577 	uint8_t	tq_name[32];
578 	struct qlnx_fastpath *fp;
579 
580 	for (i = 0; i < ha->num_rss; i++) {
581                 fp = &ha->fp_array[i];
582 
583 		bzero(tq_name, sizeof (tq_name));
584 		snprintf(tq_name, sizeof (tq_name), "ql_fp_tq_%d", i);
585 
586 		TASK_INIT(&fp->fp_task, 0, qlnx_fp_taskqueue, fp);
587 
588 		fp->fp_taskqueue = taskqueue_create(tq_name, M_NOWAIT,
589 					taskqueue_thread_enqueue,
590 					&fp->fp_taskqueue);
591 
592 		if (fp->fp_taskqueue == NULL)
593 			return (-1);
594 
595 		taskqueue_start_threads(&fp->fp_taskqueue, 1, PI_NET, "%s",
596 			tq_name);
597 
598 		QL_DPRINT1(ha, "%p\n",fp->fp_taskqueue);
599 	}
600 
601 	return (0);
602 }
603 
604 static void
qlnx_destroy_fp_taskqueues(qlnx_host_t * ha)605 qlnx_destroy_fp_taskqueues(qlnx_host_t *ha)
606 {
607 	int			i;
608 	struct qlnx_fastpath	*fp;
609 
610 	for (i = 0; i < ha->num_rss; i++) {
611                 fp = &ha->fp_array[i];
612 
613 		if (fp->fp_taskqueue != NULL) {
614 			taskqueue_drain(fp->fp_taskqueue, &fp->fp_task);
615 			taskqueue_free(fp->fp_taskqueue);
616 			fp->fp_taskqueue = NULL;
617 		}
618 	}
619 	return;
620 }
621 
622 static void
qlnx_drain_fp_taskqueues(qlnx_host_t * ha)623 qlnx_drain_fp_taskqueues(qlnx_host_t *ha)
624 {
625 	int			i;
626 	struct qlnx_fastpath	*fp;
627 
628 	for (i = 0; i < ha->num_rss; i++) {
629                 fp = &ha->fp_array[i];
630 
631 		if (fp->fp_taskqueue != NULL) {
632 			QLNX_UNLOCK(ha);
633 			taskqueue_drain(fp->fp_taskqueue, &fp->fp_task);
634 			QLNX_LOCK(ha);
635 		}
636 	}
637 	return;
638 }
639 
640 static void
qlnx_get_params(qlnx_host_t * ha)641 qlnx_get_params(qlnx_host_t *ha)
642 {
643 	if ((qlnxe_queue_count < 0) || (qlnxe_queue_count > QLNX_MAX_RSS)) {
644 		device_printf(ha->pci_dev, "invalid queue_count value (%d)\n",
645 			qlnxe_queue_count);
646 		qlnxe_queue_count = 0;
647 	}
648 	return;
649 }
650 
651 static void
qlnx_error_recovery_taskqueue(void * context,int pending)652 qlnx_error_recovery_taskqueue(void *context, int pending)
653 {
654         qlnx_host_t *ha;
655 
656         ha = context;
657 
658         QL_DPRINT2(ha, "enter\n");
659 
660         QLNX_LOCK(ha);
661         qlnx_stop(ha);
662         QLNX_UNLOCK(ha);
663 
664 #ifdef QLNX_ENABLE_IWARP
665 	qlnx_rdma_dev_remove(ha);
666 #endif /* #ifdef QLNX_ENABLE_IWARP */
667 
668         qlnx_slowpath_stop(ha);
669         qlnx_slowpath_start(ha);
670 
671 #ifdef QLNX_ENABLE_IWARP
672 	qlnx_rdma_dev_add(ha);
673 #endif /* #ifdef QLNX_ENABLE_IWARP */
674 
675         qlnx_init(ha);
676 
677         callout_reset(&ha->qlnx_callout, hz, qlnx_timer, ha);
678 
679         QL_DPRINT2(ha, "exit\n");
680 
681         return;
682 }
683 
684 static int
qlnx_create_error_recovery_taskqueue(qlnx_host_t * ha)685 qlnx_create_error_recovery_taskqueue(qlnx_host_t *ha)
686 {
687         uint8_t tq_name[32];
688 
689         bzero(tq_name, sizeof (tq_name));
690         snprintf(tq_name, sizeof (tq_name), "ql_err_tq");
691 
692         TASK_INIT(&ha->err_task, 0, qlnx_error_recovery_taskqueue, ha);
693 
694         ha->err_taskqueue = taskqueue_create(tq_name, M_NOWAIT,
695                                 taskqueue_thread_enqueue, &ha->err_taskqueue);
696 
697         if (ha->err_taskqueue == NULL)
698                 return (-1);
699 
700         taskqueue_start_threads(&ha->err_taskqueue, 1, PI_NET, "%s", tq_name);
701 
702         QL_DPRINT1(ha, "%p\n",ha->err_taskqueue);
703 
704         return (0);
705 }
706 
707 static void
qlnx_destroy_error_recovery_taskqueue(qlnx_host_t * ha)708 qlnx_destroy_error_recovery_taskqueue(qlnx_host_t *ha)
709 {
710         if (ha->err_taskqueue != NULL) {
711                 taskqueue_drain(ha->err_taskqueue, &ha->err_task);
712                 taskqueue_free(ha->err_taskqueue);
713         }
714 
715         ha->err_taskqueue = NULL;
716 
717         return;
718 }
719 
720 /*
721  * Name:	qlnx_pci_attach
722  * Function:	attaches the device to the operating system
723  */
724 static int
qlnx_pci_attach(device_t dev)725 qlnx_pci_attach(device_t dev)
726 {
727 	qlnx_host_t	*ha = NULL;
728 	uint32_t	rsrc_len_reg __unused = 0;
729 	uint32_t	rsrc_len_dbells = 0;
730 	uint32_t	rsrc_len_msix __unused = 0;
731 	int		i;
732 	uint32_t	mfw_ver;
733 	uint32_t	num_sp_msix = 0;
734 	uint32_t	num_rdma_irqs = 0;
735 
736         if ((ha = device_get_softc(dev)) == NULL) {
737                 device_printf(dev, "cannot get softc\n");
738                 return (ENOMEM);
739         }
740 
741         memset(ha, 0, sizeof (qlnx_host_t));
742 
743         ha->device_id = pci_get_device(dev);
744 
745         if (qlnx_valid_device(ha) != 0) {
746                 device_printf(dev, "device is not valid device\n");
747                 return (ENXIO);
748 	}
749         ha->pci_func = pci_get_function(dev);
750 
751         ha->pci_dev = dev;
752 
753 	sx_init(&ha->hw_lock, "qlnx_hw_lock");
754 
755         ha->flags.lock_init = 1;
756 
757         pci_enable_busmaster(dev);
758 
759 	/*
760 	 * map the PCI BARs
761 	 */
762 
763         ha->reg_rid = PCIR_BAR(0);
764         ha->pci_reg = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &ha->reg_rid,
765                                 RF_ACTIVE);
766 
767         if (ha->pci_reg == NULL) {
768                 device_printf(dev, "unable to map BAR0\n");
769                 goto qlnx_pci_attach_err;
770         }
771 
772         rsrc_len_reg = (uint32_t) bus_get_resource_count(dev, SYS_RES_MEMORY,
773                                         ha->reg_rid);
774 
775 	ha->dbells_rid = PCIR_BAR(2);
776 	rsrc_len_dbells = (uint32_t) bus_get_resource_count(dev,
777 					SYS_RES_MEMORY,
778 					ha->dbells_rid);
779 	if (rsrc_len_dbells) {
780 		ha->pci_dbells = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
781 					&ha->dbells_rid, RF_ACTIVE);
782 
783 		if (ha->pci_dbells == NULL) {
784 			device_printf(dev, "unable to map BAR1\n");
785 			goto qlnx_pci_attach_err;
786 		}
787 		ha->dbells_phys_addr = (uint64_t)
788 			bus_get_resource_start(dev, SYS_RES_MEMORY, ha->dbells_rid);
789 
790 		ha->dbells_size = rsrc_len_dbells;
791 	} else {
792 		if (qlnx_vf_device(ha) != 0) {
793 			device_printf(dev, " BAR1 size is zero\n");
794 			goto qlnx_pci_attach_err;
795 		}
796 	}
797 
798         ha->msix_rid = PCIR_BAR(4);
799         ha->msix_bar = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
800                         &ha->msix_rid, RF_ACTIVE);
801 
802         if (ha->msix_bar == NULL) {
803                 device_printf(dev, "unable to map BAR2\n");
804                 goto qlnx_pci_attach_err;
805 	}
806 
807         rsrc_len_msix = (uint32_t) bus_get_resource_count(dev, SYS_RES_MEMORY,
808                                         ha->msix_rid);
809 
810 	ha->dbg_level = 0x0000;
811 
812 	QL_DPRINT1(ha, "\n\t\t\t"
813 		"pci_dev = %p pci_reg = %p, reg_len = 0x%08x reg_rid = 0x%08x"
814 		"\n\t\t\tdbells = %p, dbells_len = 0x%08x dbells_rid = 0x%08x"
815 		"\n\t\t\tmsix = %p, msix_len = 0x%08x msix_rid = 0x%08x"
816 		" msix_avail = 0x%x "
817 		"\n\t\t\t[ncpus = %d]\n",
818 		ha->pci_dev, ha->pci_reg, rsrc_len_reg,
819 		ha->reg_rid, ha->pci_dbells, rsrc_len_dbells, ha->dbells_rid,
820 		ha->msix_bar, rsrc_len_msix, ha->msix_rid, pci_msix_count(dev),
821 		mp_ncpus);
822 	/*
823 	 * allocate dma tags
824 	 */
825 
826 	if (qlnx_alloc_parent_dma_tag(ha))
827                 goto qlnx_pci_attach_err;
828 
829 	if (qlnx_alloc_tx_dma_tag(ha))
830                 goto qlnx_pci_attach_err;
831 
832 	if (qlnx_alloc_rx_dma_tag(ha))
833                 goto qlnx_pci_attach_err;
834 
835 
836 	if (qlnx_init_hw(ha) != 0)
837 		goto qlnx_pci_attach_err;
838 
839         ha->flags.hw_init = 1;
840 
841 	qlnx_get_params(ha);
842 
843 	if((pci_get_device(dev) == QLOGIC_PCI_DEVICE_ID_1644) &&
844 		(qlnxe_queue_count == QLNX_DEFAULT_RSS)) {
845 		qlnxe_queue_count = QLNX_MAX_RSS;
846 	}
847 
848 	/*
849 	 * Allocate MSI-x vectors
850 	 */
851 	if (qlnx_vf_device(ha) != 0) {
852 		if (qlnxe_queue_count == 0)
853 			ha->num_rss = QLNX_DEFAULT_RSS;
854 		else
855 			ha->num_rss = qlnxe_queue_count;
856 
857 		num_sp_msix = ha->cdev.num_hwfns;
858 	} else {
859 		uint8_t max_rxq;
860 		uint8_t max_txq;
861 
862 		ecore_vf_get_num_rxqs(&ha->cdev.hwfns[0], &max_rxq);
863 		ecore_vf_get_num_rxqs(&ha->cdev.hwfns[0], &max_txq);
864 
865 		if (max_rxq < max_txq)
866 			ha->num_rss = max_rxq;
867 		else
868 			ha->num_rss = max_txq;
869 
870 		if (ha->num_rss > QLNX_MAX_VF_RSS)
871 			ha->num_rss = QLNX_MAX_VF_RSS;
872 
873 		num_sp_msix = 0;
874 	}
875 
876 	if (ha->num_rss > mp_ncpus)
877 		ha->num_rss = mp_ncpus;
878 
879 	ha->num_tc = QLNX_MAX_TC;
880 
881         ha->msix_count = pci_msix_count(dev);
882 
883 #ifdef QLNX_ENABLE_IWARP
884 
885 	num_rdma_irqs = qlnx_rdma_get_num_irqs(ha);
886 
887 #endif /* #ifdef QLNX_ENABLE_IWARP */
888 
889         if (!ha->msix_count ||
890 		(ha->msix_count < (num_sp_msix + 1 + num_rdma_irqs))) {
891                 device_printf(dev, "%s: msix_count[%d] not enough\n", __func__,
892                         ha->msix_count);
893                 goto qlnx_pci_attach_err;
894         }
895 
896 	if (ha->msix_count > (ha->num_rss + num_sp_msix + num_rdma_irqs))
897 		ha->msix_count = ha->num_rss + num_sp_msix + num_rdma_irqs;
898 	else
899 		ha->num_rss = ha->msix_count - (num_sp_msix + num_rdma_irqs);
900 
901 	QL_DPRINT1(ha, "\n\t\t\t"
902 		"pci_reg = %p, reg_len = 0x%08x reg_rid = 0x%08x"
903 		"\n\t\t\tdbells = %p, dbells_len = 0x%08x dbells_rid = 0x%08x"
904 		"\n\t\t\tmsix = %p, msix_len = 0x%08x msix_rid = 0x%08x"
905 		" msix_avail = 0x%x msix_alloc = 0x%x"
906 		"\n\t\t\t[ncpus = %d][num_rss = 0x%x] [num_tc = 0x%x]\n",
907 		 ha->pci_reg, rsrc_len_reg,
908 		ha->reg_rid, ha->pci_dbells, rsrc_len_dbells, ha->dbells_rid,
909 		ha->msix_bar, rsrc_len_msix, ha->msix_rid, pci_msix_count(dev),
910 		ha->msix_count, mp_ncpus, ha->num_rss, ha->num_tc);
911 
912         if (pci_alloc_msix(dev, &ha->msix_count)) {
913                 device_printf(dev, "%s: pci_alloc_msix[%d] failed\n", __func__,
914                         ha->msix_count);
915                 ha->msix_count = 0;
916                 goto qlnx_pci_attach_err;
917         }
918 
919 	/*
920 	 * Initialize slow path interrupt and task queue
921 	 */
922 
923 	if (num_sp_msix) {
924 		if (qlnx_create_sp_taskqueues(ha) != 0)
925 			goto qlnx_pci_attach_err;
926 
927 		for (i = 0; i < ha->cdev.num_hwfns; i++) {
928 			struct ecore_hwfn *p_hwfn = &ha->cdev.hwfns[i];
929 
930 			ha->sp_irq_rid[i] = i + 1;
931 			ha->sp_irq[i] = bus_alloc_resource_any(dev, SYS_RES_IRQ,
932 						&ha->sp_irq_rid[i],
933 						(RF_ACTIVE | RF_SHAREABLE));
934 			if (ha->sp_irq[i] == NULL) {
935                 		device_printf(dev,
936 					"could not allocate mbx interrupt\n");
937 				goto qlnx_pci_attach_err;
938 			}
939 
940 			if (bus_setup_intr(dev, ha->sp_irq[i],
941 				(INTR_TYPE_NET | INTR_MPSAFE), NULL,
942 				qlnx_sp_intr, p_hwfn, &ha->sp_handle[i])) {
943 				device_printf(dev,
944 					"could not setup slow path interrupt\n");
945 				goto qlnx_pci_attach_err;
946 			}
947 
948 			QL_DPRINT1(ha, "p_hwfn [%p] sp_irq_rid %d"
949 				" sp_irq %p sp_handle %p\n", p_hwfn,
950 				ha->sp_irq_rid[i], ha->sp_irq[i], ha->sp_handle[i]);
951 		}
952 	}
953 
954 	/*
955 	 * initialize fast path interrupt
956 	 */
957 	if (qlnx_create_fp_taskqueues(ha) != 0)
958 		goto qlnx_pci_attach_err;
959 
960         for (i = 0; i < ha->num_rss; i++) {
961                 ha->irq_vec[i].rss_idx = i;
962                 ha->irq_vec[i].ha = ha;
963                 ha->irq_vec[i].irq_rid = (1 + num_sp_msix) + i;
964 
965                 ha->irq_vec[i].irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
966                                 &ha->irq_vec[i].irq_rid,
967                                 (RF_ACTIVE | RF_SHAREABLE));
968 
969                 if (ha->irq_vec[i].irq == NULL) {
970                         device_printf(dev,
971 				"could not allocate interrupt[%d] irq_rid = %d\n",
972 				i, ha->irq_vec[i].irq_rid);
973                         goto qlnx_pci_attach_err;
974                 }
975 
976 		if (qlnx_alloc_tx_br(ha, &ha->fp_array[i])) {
977                         device_printf(dev, "could not allocate tx_br[%d]\n", i);
978                         goto qlnx_pci_attach_err;
979 		}
980 	}
981 
982 	if (qlnx_vf_device(ha) != 0) {
983 		callout_init(&ha->qlnx_callout, 1);
984 		ha->flags.callout_init = 1;
985 
986 		for (i = 0; i < ha->cdev.num_hwfns; i++) {
987 			if (qlnx_grc_dumpsize(ha, &ha->grcdump_size[i], i) != 0)
988 				goto qlnx_pci_attach_err;
989 			if (ha->grcdump_size[i] == 0)
990 				goto qlnx_pci_attach_err;
991 
992 			ha->grcdump_size[i] = ha->grcdump_size[i] << 2;
993 			QL_DPRINT1(ha, "grcdump_size[%d] = 0x%08x\n",
994 				i, ha->grcdump_size[i]);
995 
996 			ha->grcdump[i] = qlnx_zalloc(ha->grcdump_size[i]);
997 			if (ha->grcdump[i] == NULL) {
998 				device_printf(dev, "grcdump alloc[%d] failed\n", i);
999 				goto qlnx_pci_attach_err;
1000 			}
1001 
1002 			if (qlnx_idle_chk_size(ha, &ha->idle_chk_size[i], i) != 0)
1003 				goto qlnx_pci_attach_err;
1004 			if (ha->idle_chk_size[i] == 0)
1005 				goto qlnx_pci_attach_err;
1006 
1007 			ha->idle_chk_size[i] = ha->idle_chk_size[i] << 2;
1008 			QL_DPRINT1(ha, "idle_chk_size[%d] = 0x%08x\n",
1009 				i, ha->idle_chk_size[i]);
1010 
1011 			ha->idle_chk[i] = qlnx_zalloc(ha->idle_chk_size[i]);
1012 
1013 			if (ha->idle_chk[i] == NULL) {
1014 				device_printf(dev, "idle_chk alloc failed\n");
1015 				goto qlnx_pci_attach_err;
1016 			}
1017 		}
1018 
1019 		if (qlnx_create_error_recovery_taskqueue(ha) != 0)
1020 			goto qlnx_pci_attach_err;
1021 	}
1022 
1023 	if (qlnx_slowpath_start(ha) != 0)
1024 		goto qlnx_pci_attach_err;
1025 	else
1026 		ha->flags.slowpath_start = 1;
1027 
1028 	if (qlnx_vf_device(ha) != 0) {
1029 		if (qlnx_get_flash_size(ha, &ha->flash_size) != 0) {
1030 			qlnx_mdelay(__func__, 1000);
1031 			qlnx_trigger_dump(ha);
1032 
1033 			goto qlnx_pci_attach_err0;
1034 		}
1035 
1036 		if (qlnx_get_mfw_version(ha, &mfw_ver) != 0) {
1037 			qlnx_mdelay(__func__, 1000);
1038 			qlnx_trigger_dump(ha);
1039 
1040 			goto qlnx_pci_attach_err0;
1041 		}
1042 	} else {
1043 		struct ecore_hwfn *p_hwfn = &ha->cdev.hwfns[0];
1044 		ecore_mcp_get_mfw_ver(p_hwfn, NULL, &mfw_ver, NULL);
1045 	}
1046 
1047 	snprintf(ha->mfw_ver, sizeof(ha->mfw_ver), "%d.%d.%d.%d",
1048 		((mfw_ver >> 24) & 0xFF), ((mfw_ver >> 16) & 0xFF),
1049 		((mfw_ver >> 8) & 0xFF), (mfw_ver & 0xFF));
1050 	snprintf(ha->stormfw_ver, sizeof(ha->stormfw_ver), "%d.%d.%d.%d",
1051 		FW_MAJOR_VERSION, FW_MINOR_VERSION, FW_REVISION_VERSION,
1052 		FW_ENGINEERING_VERSION);
1053 
1054 	QL_DPRINT1(ha, "STORM_FW version %s MFW version %s\n",
1055 		 ha->stormfw_ver, ha->mfw_ver);
1056 
1057 	qlnx_init_ifnet(dev, ha);
1058 
1059 	/*
1060 	 * add sysctls
1061 	 */
1062 	qlnx_add_sysctls(ha);
1063 
1064 qlnx_pci_attach_err0:
1065         /*
1066 	 * create ioctl device interface
1067 	 */
1068 	if (qlnx_vf_device(ha) != 0) {
1069 		if (qlnx_make_cdev(ha)) {
1070 			device_printf(dev, "%s: ql_make_cdev failed\n", __func__);
1071 			goto qlnx_pci_attach_err;
1072 		}
1073 
1074 #ifdef QLNX_ENABLE_IWARP
1075 		qlnx_rdma_dev_add(ha);
1076 #endif /* #ifdef QLNX_ENABLE_IWARP */
1077 	}
1078 
1079 #ifndef QLNX_VF
1080 #ifdef CONFIG_ECORE_SRIOV
1081 
1082 	if (qlnx_vf_device(ha) != 0)
1083 		qlnx_initialize_sriov(ha);
1084 
1085 #endif /* #ifdef CONFIG_ECORE_SRIOV */
1086 #endif /* #ifdef QLNX_VF */
1087 
1088 	QL_DPRINT2(ha, "success\n");
1089 
1090         return (0);
1091 
1092 qlnx_pci_attach_err:
1093 
1094 	qlnx_release(ha);
1095 
1096 	return (ENXIO);
1097 }
1098 
1099 /*
1100  * Name:	qlnx_pci_detach
1101  * Function:	Unhooks the device from the operating system
1102  */
1103 static int
qlnx_pci_detach(device_t dev)1104 qlnx_pci_detach(device_t dev)
1105 {
1106 	qlnx_host_t	*ha = NULL;
1107 
1108         if ((ha = device_get_softc(dev)) == NULL) {
1109                 device_printf(dev, "%s: cannot get softc\n", __func__);
1110                 return (ENOMEM);
1111         }
1112 
1113 	if (qlnx_vf_device(ha) != 0) {
1114 #ifdef CONFIG_ECORE_SRIOV
1115 		int ret;
1116 
1117 		ret = pci_iov_detach(dev);
1118 		if (ret) {
1119                 	device_printf(dev, "%s: SRIOV in use\n", __func__);
1120 			return (ret);
1121 		}
1122 
1123 #endif /* #ifdef CONFIG_ECORE_SRIOV */
1124 
1125 #ifdef QLNX_ENABLE_IWARP
1126 		if (qlnx_rdma_dev_remove(ha) != 0)
1127 			return (EBUSY);
1128 #endif /* #ifdef QLNX_ENABLE_IWARP */
1129 	}
1130 
1131 	QLNX_LOCK(ha);
1132 	qlnx_stop(ha);
1133 	QLNX_UNLOCK(ha);
1134 
1135 	qlnx_release(ha);
1136 
1137         return (0);
1138 }
1139 
1140 #ifdef QLNX_ENABLE_IWARP
1141 
1142 static uint8_t
qlnx_get_personality(uint8_t pci_func)1143 qlnx_get_personality(uint8_t pci_func)
1144 {
1145 	uint8_t personality;
1146 
1147 	personality = (qlnxe_rdma_configuration >>
1148 				(pci_func * QLNX_PERSONALITY_BITS_PER_FUNC)) &
1149 				QLNX_PERSONALIY_MASK;
1150 	return (personality);
1151 }
1152 
1153 static void
qlnx_set_personality(qlnx_host_t * ha)1154 qlnx_set_personality(qlnx_host_t *ha)
1155 {
1156 	uint8_t personality;
1157 
1158 	personality = qlnx_get_personality(ha->pci_func);
1159 
1160 	switch (personality) {
1161 	case QLNX_PERSONALITY_DEFAULT:
1162                	device_printf(ha->pci_dev, "%s: DEFAULT\n",
1163 			__func__);
1164 		ha->personality = ECORE_PCI_DEFAULT;
1165 		break;
1166 
1167 	case QLNX_PERSONALITY_ETH_ONLY:
1168                	device_printf(ha->pci_dev, "%s: ETH_ONLY\n",
1169 			__func__);
1170 		ha->personality = ECORE_PCI_ETH;
1171 		break;
1172 
1173 	case QLNX_PERSONALITY_ETH_IWARP:
1174                	device_printf(ha->pci_dev, "%s: ETH_IWARP\n",
1175 			__func__);
1176 		ha->personality = ECORE_PCI_ETH_IWARP;
1177 		break;
1178 
1179 	case QLNX_PERSONALITY_ETH_ROCE:
1180                	device_printf(ha->pci_dev, "%s: ETH_ROCE\n",
1181 			__func__);
1182 		ha->personality = ECORE_PCI_ETH_ROCE;
1183 		break;
1184 	}
1185 
1186 	return;
1187 }
1188 
1189 #endif /* #ifdef QLNX_ENABLE_IWARP */
1190 
1191 static int
qlnx_init_hw(qlnx_host_t * ha)1192 qlnx_init_hw(qlnx_host_t *ha)
1193 {
1194 	int				rval = 0;
1195 	struct ecore_hw_prepare_params	params;
1196 
1197         ha->cdev.ha = ha;
1198 	ecore_init_struct(&ha->cdev);
1199 
1200 	/* ha->dp_module = ECORE_MSG_PROBE |
1201 				ECORE_MSG_INTR |
1202 				ECORE_MSG_SP |
1203 				ECORE_MSG_LINK |
1204 				ECORE_MSG_SPQ |
1205 				ECORE_MSG_RDMA;
1206 	ha->dp_level = ECORE_LEVEL_VERBOSE;*/
1207 	//ha->dp_module = ECORE_MSG_RDMA | ECORE_MSG_INTR | ECORE_MSG_LL2;
1208 	ha->dp_level = ECORE_LEVEL_NOTICE;
1209 	//ha->dp_level = ECORE_LEVEL_VERBOSE;
1210 
1211 	ecore_init_dp(&ha->cdev, ha->dp_module, ha->dp_level, ha->pci_dev);
1212 
1213 	ha->cdev.regview = ha->pci_reg;
1214 
1215 	ha->personality = ECORE_PCI_DEFAULT;
1216 
1217 	if (qlnx_vf_device(ha) == 0) {
1218 		ha->cdev.b_is_vf = true;
1219 
1220 		if (ha->pci_dbells != NULL) {
1221 			ha->cdev.doorbells = ha->pci_dbells;
1222 			ha->cdev.db_phys_addr = ha->dbells_phys_addr;
1223 			ha->cdev.db_size = ha->dbells_size;
1224 		} else {
1225 			ha->pci_dbells = ha->pci_reg;
1226 		}
1227 	} else {
1228 		ha->cdev.doorbells = ha->pci_dbells;
1229 		ha->cdev.db_phys_addr = ha->dbells_phys_addr;
1230 		ha->cdev.db_size = ha->dbells_size;
1231 
1232 #ifdef QLNX_ENABLE_IWARP
1233 
1234 		if (qlnx_rdma_supported(ha) == 0)
1235 			qlnx_set_personality(ha);
1236 
1237 #endif /* #ifdef QLNX_ENABLE_IWARP */
1238 	}
1239 	QL_DPRINT2(ha, "%s: %s\n", __func__,
1240 		(ha->personality == ECORE_PCI_ETH_IWARP ? "iwarp": "ethernet"));
1241 
1242 	bzero(&params, sizeof (struct ecore_hw_prepare_params));
1243 
1244 	params.personality = ha->personality;
1245 
1246 	params.drv_resc_alloc = false;
1247 	params.chk_reg_fifo = false;
1248 	params.initiate_pf_flr = true;
1249 	params.epoch = 0;
1250 
1251 	ecore_hw_prepare(&ha->cdev, &params);
1252 
1253 	qlnx_set_id(&ha->cdev, qlnx_name_str, qlnx_ver_str);
1254 
1255 	QL_DPRINT1(ha, "ha = %p cdev = %p p_hwfn = %p\n",
1256 		ha, &ha->cdev, &ha->cdev.hwfns[0]);
1257 
1258 	return (rval);
1259 }
1260 
1261 static void
qlnx_release(qlnx_host_t * ha)1262 qlnx_release(qlnx_host_t *ha)
1263 {
1264         device_t	dev;
1265         int		i;
1266 
1267         dev = ha->pci_dev;
1268 
1269 	QL_DPRINT2(ha, "enter\n");
1270 
1271 	for (i = 0; i < QLNX_MAX_HW_FUNCS; i++) {
1272 		if (ha->idle_chk[i] != NULL) {
1273 			free(ha->idle_chk[i], M_QLNXBUF);
1274 			ha->idle_chk[i] = NULL;
1275 		}
1276 
1277 		if (ha->grcdump[i] != NULL) {
1278 			free(ha->grcdump[i], M_QLNXBUF);
1279 			ha->grcdump[i] = NULL;
1280 		}
1281 	}
1282 
1283         if (ha->flags.callout_init)
1284                 callout_drain(&ha->qlnx_callout);
1285 
1286 	if (ha->flags.slowpath_start) {
1287 		qlnx_slowpath_stop(ha);
1288 	}
1289 
1290         if (ha->flags.hw_init)
1291 		ecore_hw_remove(&ha->cdev);
1292 
1293         qlnx_del_cdev(ha);
1294 
1295         if (ha->ifp != NULL)
1296                 ether_ifdetach(ha->ifp);
1297 
1298 	qlnx_free_tx_dma_tag(ha);
1299 
1300 	qlnx_free_rx_dma_tag(ha);
1301 
1302 	qlnx_free_parent_dma_tag(ha);
1303 
1304 	if (qlnx_vf_device(ha) != 0) {
1305 		qlnx_destroy_error_recovery_taskqueue(ha);
1306 	}
1307 
1308         for (i = 0; i < ha->num_rss; i++) {
1309 		struct qlnx_fastpath *fp = &ha->fp_array[i];
1310 
1311                 if (ha->irq_vec[i].handle) {
1312                         (void)bus_teardown_intr(dev, ha->irq_vec[i].irq,
1313                                         ha->irq_vec[i].handle);
1314                 }
1315 
1316                 if (ha->irq_vec[i].irq) {
1317                         (void)bus_release_resource(dev, SYS_RES_IRQ,
1318                                 ha->irq_vec[i].irq_rid,
1319                                 ha->irq_vec[i].irq);
1320                 }
1321 
1322 		qlnx_free_tx_br(ha, fp);
1323         }
1324 	qlnx_destroy_fp_taskqueues(ha);
1325 
1326  	for (i = 0; i < ha->cdev.num_hwfns; i++) {
1327         	if (ha->sp_handle[i])
1328                 	(void)bus_teardown_intr(dev, ha->sp_irq[i],
1329 				ha->sp_handle[i]);
1330 
1331         	if (ha->sp_irq[i])
1332 			(void) bus_release_resource(dev, SYS_RES_IRQ,
1333 				ha->sp_irq_rid[i], ha->sp_irq[i]);
1334 	}
1335 
1336 	qlnx_destroy_sp_taskqueues(ha);
1337 
1338         if (ha->msix_count)
1339                 pci_release_msi(dev);
1340 
1341         if (ha->flags.lock_init) {
1342                 sx_destroy(&ha->hw_lock);
1343         }
1344 
1345         if (ha->pci_reg)
1346                 (void) bus_release_resource(dev, SYS_RES_MEMORY, ha->reg_rid,
1347                                 ha->pci_reg);
1348 
1349         if (ha->dbells_size && ha->pci_dbells)
1350                 (void) bus_release_resource(dev, SYS_RES_MEMORY, ha->dbells_rid,
1351                                 ha->pci_dbells);
1352 
1353         if (ha->msix_bar)
1354                 (void) bus_release_resource(dev, SYS_RES_MEMORY, ha->msix_rid,
1355                                 ha->msix_bar);
1356 
1357 	QL_DPRINT2(ha, "exit\n");
1358 	return;
1359 }
1360 
1361 static void
qlnx_trigger_dump(qlnx_host_t * ha)1362 qlnx_trigger_dump(qlnx_host_t *ha)
1363 {
1364 	int	i;
1365 
1366 	if (ha->ifp != NULL)
1367 		if_setdrvflagbits(ha->ifp, 0, (IFF_DRV_OACTIVE | IFF_DRV_RUNNING));
1368 
1369 	QL_DPRINT2(ha, "enter\n");
1370 
1371 	if (qlnx_vf_device(ha) == 0)
1372 		return;
1373 
1374 	ha->error_recovery = 1;
1375 
1376 	for (i = 0; i < ha->cdev.num_hwfns; i++) {
1377 		qlnx_grc_dump(ha, &ha->grcdump_dwords[i], i);
1378 		qlnx_idle_chk(ha, &ha->idle_chk_dwords[i], i);
1379 	}
1380 
1381 	QL_DPRINT2(ha, "exit\n");
1382 
1383 	return;
1384 }
1385 
1386 static int
qlnx_trigger_dump_sysctl(SYSCTL_HANDLER_ARGS)1387 qlnx_trigger_dump_sysctl(SYSCTL_HANDLER_ARGS)
1388 {
1389         int		err, ret = 0;
1390         qlnx_host_t	*ha;
1391 
1392         err = sysctl_handle_int(oidp, &ret, 0, req);
1393 
1394         if (err || !req->newptr)
1395                 return (err);
1396 
1397         if (ret == 1) {
1398                 ha = (qlnx_host_t *)arg1;
1399                 qlnx_trigger_dump(ha);
1400         }
1401         return (err);
1402 }
1403 
1404 static int
qlnx_set_tx_coalesce(SYSCTL_HANDLER_ARGS)1405 qlnx_set_tx_coalesce(SYSCTL_HANDLER_ARGS)
1406 {
1407         int			err, i, ret = 0, usecs = 0;
1408         qlnx_host_t		*ha;
1409 	struct ecore_hwfn	*p_hwfn;
1410 	struct qlnx_fastpath	*fp;
1411 
1412         err = sysctl_handle_int(oidp, &usecs, 0, req);
1413 
1414         if (err || !req->newptr || !usecs || (usecs > 255))
1415                 return (err);
1416 
1417         ha = (qlnx_host_t *)arg1;
1418 
1419 	if (qlnx_vf_device(ha) == 0)
1420 		return (-1);
1421 
1422 	for (i = 0; i < ha->num_rss; i++) {
1423 		p_hwfn = &ha->cdev.hwfns[(i % ha->cdev.num_hwfns)];
1424 
1425         	fp = &ha->fp_array[i];
1426 
1427 		if (fp->txq[0]->handle != NULL) {
1428 			ret = ecore_set_queue_coalesce(p_hwfn, 0,
1429 					(uint16_t)usecs, fp->txq[0]->handle);
1430 		}
1431         }
1432 
1433 	if (!ret)
1434 		ha->tx_coalesce_usecs = (uint8_t)usecs;
1435 
1436         return (err);
1437 }
1438 
1439 static int
qlnx_set_rx_coalesce(SYSCTL_HANDLER_ARGS)1440 qlnx_set_rx_coalesce(SYSCTL_HANDLER_ARGS)
1441 {
1442         int			err, i, ret = 0, usecs = 0;
1443         qlnx_host_t		*ha;
1444 	struct ecore_hwfn	*p_hwfn;
1445 	struct qlnx_fastpath	*fp;
1446 
1447         err = sysctl_handle_int(oidp, &usecs, 0, req);
1448 
1449         if (err || !req->newptr || !usecs || (usecs > 255))
1450                 return (err);
1451 
1452         ha = (qlnx_host_t *)arg1;
1453 
1454 	if (qlnx_vf_device(ha) == 0)
1455 		return (-1);
1456 
1457 	for (i = 0; i < ha->num_rss; i++) {
1458 		p_hwfn = &ha->cdev.hwfns[(i % ha->cdev.num_hwfns)];
1459 
1460         	fp = &ha->fp_array[i];
1461 
1462 		if (fp->rxq->handle != NULL) {
1463 			ret = ecore_set_queue_coalesce(p_hwfn, (uint16_t)usecs,
1464 					 0, fp->rxq->handle);
1465 		}
1466 	}
1467 
1468 	if (!ret)
1469 		ha->rx_coalesce_usecs = (uint8_t)usecs;
1470 
1471         return (err);
1472 }
1473 
1474 static void
qlnx_add_sp_stats_sysctls(qlnx_host_t * ha)1475 qlnx_add_sp_stats_sysctls(qlnx_host_t *ha)
1476 {
1477         struct sysctl_ctx_list	*ctx;
1478         struct sysctl_oid_list	*children;
1479 	struct sysctl_oid	*ctx_oid;
1480 
1481         ctx = device_get_sysctl_ctx(ha->pci_dev);
1482 	children = SYSCTL_CHILDREN(device_get_sysctl_tree(ha->pci_dev));
1483 
1484 	ctx_oid = SYSCTL_ADD_NODE(ctx, children, OID_AUTO, "spstat",
1485 	    CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "spstat");
1486         children = SYSCTL_CHILDREN(ctx_oid);
1487 
1488 	SYSCTL_ADD_QUAD(ctx, children,
1489                 OID_AUTO, "sp_interrupts",
1490                 CTLFLAG_RD, &ha->sp_interrupts,
1491                 "No. of slowpath interrupts");
1492 
1493 	return;
1494 }
1495 
1496 static void
qlnx_add_fp_stats_sysctls(qlnx_host_t * ha)1497 qlnx_add_fp_stats_sysctls(qlnx_host_t *ha)
1498 {
1499         struct sysctl_ctx_list	*ctx;
1500         struct sysctl_oid_list	*children;
1501         struct sysctl_oid_list	*node_children;
1502 	struct sysctl_oid	*ctx_oid;
1503 	int			i, j;
1504 	uint8_t			name_str[16];
1505 
1506         ctx = device_get_sysctl_ctx(ha->pci_dev);
1507 	children = SYSCTL_CHILDREN(device_get_sysctl_tree(ha->pci_dev));
1508 
1509 	ctx_oid = SYSCTL_ADD_NODE(ctx, children, OID_AUTO, "fpstat",
1510 	    CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "fpstat");
1511 	children = SYSCTL_CHILDREN(ctx_oid);
1512 
1513 	for (i = 0; i < ha->num_rss; i++) {
1514 		bzero(name_str, (sizeof(uint8_t) * sizeof(name_str)));
1515 		snprintf(name_str, sizeof(name_str), "%d", i);
1516 
1517 		ctx_oid = SYSCTL_ADD_NODE(ctx, children, OID_AUTO, name_str,
1518 		    CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, name_str);
1519 		node_children = SYSCTL_CHILDREN(ctx_oid);
1520 
1521 		/* Tx Related */
1522 
1523 		SYSCTL_ADD_QUAD(ctx, node_children,
1524 			OID_AUTO, "tx_pkts_processed",
1525 			CTLFLAG_RD, &ha->fp_array[i].tx_pkts_processed,
1526 			"No. of packets processed for transmission");
1527 
1528 		SYSCTL_ADD_QUAD(ctx, node_children,
1529 			OID_AUTO, "tx_pkts_freed",
1530 			CTLFLAG_RD, &ha->fp_array[i].tx_pkts_freed,
1531 			"No. of freed packets");
1532 
1533 		SYSCTL_ADD_QUAD(ctx, node_children,
1534 			OID_AUTO, "tx_pkts_transmitted",
1535 			CTLFLAG_RD, &ha->fp_array[i].tx_pkts_transmitted,
1536 			"No. of transmitted packets");
1537 
1538 		SYSCTL_ADD_QUAD(ctx, node_children,
1539 			OID_AUTO, "tx_pkts_completed",
1540 			CTLFLAG_RD, &ha->fp_array[i].tx_pkts_completed,
1541 			"No. of transmit completions");
1542 
1543                 SYSCTL_ADD_QUAD(ctx, node_children,
1544                         OID_AUTO, "tx_non_tso_pkts",
1545                         CTLFLAG_RD, &ha->fp_array[i].tx_non_tso_pkts,
1546                         "No. of non LSO transmited packets");
1547 
1548 #ifdef QLNX_TRACE_PERF_DATA
1549 
1550                 SYSCTL_ADD_QUAD(ctx, node_children,
1551                         OID_AUTO, "tx_pkts_trans_ctx",
1552                         CTLFLAG_RD, &ha->fp_array[i].tx_pkts_trans_ctx,
1553                         "No. of transmitted packets in transmit context");
1554 
1555                 SYSCTL_ADD_QUAD(ctx, node_children,
1556                         OID_AUTO, "tx_pkts_compl_ctx",
1557                         CTLFLAG_RD, &ha->fp_array[i].tx_pkts_compl_ctx,
1558                         "No. of transmit completions in transmit context");
1559 
1560                 SYSCTL_ADD_QUAD(ctx, node_children,
1561                         OID_AUTO, "tx_pkts_trans_fp",
1562                         CTLFLAG_RD, &ha->fp_array[i].tx_pkts_trans_fp,
1563                         "No. of transmitted packets in taskqueue");
1564 
1565                 SYSCTL_ADD_QUAD(ctx, node_children,
1566                         OID_AUTO, "tx_pkts_compl_fp",
1567                         CTLFLAG_RD, &ha->fp_array[i].tx_pkts_compl_fp,
1568                         "No. of transmit completions in taskqueue");
1569 
1570                 SYSCTL_ADD_QUAD(ctx, node_children,
1571                         OID_AUTO, "tx_pkts_compl_intr",
1572                         CTLFLAG_RD, &ha->fp_array[i].tx_pkts_compl_intr,
1573                         "No. of transmit completions in interrupt ctx");
1574 #endif
1575 
1576                 SYSCTL_ADD_QUAD(ctx, node_children,
1577                         OID_AUTO, "tx_tso_pkts",
1578                         CTLFLAG_RD, &ha->fp_array[i].tx_tso_pkts,
1579                         "No. of LSO transmited packets");
1580 
1581 		SYSCTL_ADD_QUAD(ctx, node_children,
1582 			OID_AUTO, "tx_lso_wnd_min_len",
1583 			CTLFLAG_RD, &ha->fp_array[i].tx_lso_wnd_min_len,
1584 			"tx_lso_wnd_min_len");
1585 
1586 		SYSCTL_ADD_QUAD(ctx, node_children,
1587 			OID_AUTO, "tx_defrag",
1588 			CTLFLAG_RD, &ha->fp_array[i].tx_defrag,
1589 			"tx_defrag");
1590 
1591 		SYSCTL_ADD_QUAD(ctx, node_children,
1592 			OID_AUTO, "tx_nsegs_gt_elem_left",
1593 			CTLFLAG_RD, &ha->fp_array[i].tx_nsegs_gt_elem_left,
1594 			"tx_nsegs_gt_elem_left");
1595 
1596 		SYSCTL_ADD_UINT(ctx, node_children,
1597 			OID_AUTO, "tx_tso_max_nsegs",
1598 			CTLFLAG_RD, &ha->fp_array[i].tx_tso_max_nsegs,
1599 			ha->fp_array[i].tx_tso_max_nsegs, "tx_tso_max_nsegs");
1600 
1601 		SYSCTL_ADD_UINT(ctx, node_children,
1602 			OID_AUTO, "tx_tso_min_nsegs",
1603 			CTLFLAG_RD, &ha->fp_array[i].tx_tso_min_nsegs,
1604 			ha->fp_array[i].tx_tso_min_nsegs, "tx_tso_min_nsegs");
1605 
1606 		SYSCTL_ADD_UINT(ctx, node_children,
1607 			OID_AUTO, "tx_tso_max_pkt_len",
1608 			CTLFLAG_RD, &ha->fp_array[i].tx_tso_max_pkt_len,
1609 			ha->fp_array[i].tx_tso_max_pkt_len,
1610 			"tx_tso_max_pkt_len");
1611 
1612 		SYSCTL_ADD_UINT(ctx, node_children,
1613 			OID_AUTO, "tx_tso_min_pkt_len",
1614 			CTLFLAG_RD, &ha->fp_array[i].tx_tso_min_pkt_len,
1615 			ha->fp_array[i].tx_tso_min_pkt_len,
1616 			"tx_tso_min_pkt_len");
1617 
1618 		for (j = 0; j < QLNX_FP_MAX_SEGS; j++) {
1619 			bzero(name_str, (sizeof(uint8_t) * sizeof(name_str)));
1620 			snprintf(name_str, sizeof(name_str),
1621 				"tx_pkts_nseg_%02d", (j+1));
1622 
1623 			SYSCTL_ADD_QUAD(ctx, node_children,
1624 				OID_AUTO, name_str, CTLFLAG_RD,
1625 				&ha->fp_array[i].tx_pkts[j], name_str);
1626 		}
1627 
1628 #ifdef QLNX_TRACE_PERF_DATA
1629                 for (j = 0; j < 18; j++) {
1630                         bzero(name_str, (sizeof(uint8_t) * sizeof(name_str)));
1631                         snprintf(name_str, sizeof(name_str),
1632                                 "tx_pkts_hist_%02d", (j+1));
1633 
1634                         SYSCTL_ADD_QUAD(ctx, node_children,
1635                                 OID_AUTO, name_str, CTLFLAG_RD,
1636                                 &ha->fp_array[i].tx_pkts_hist[j], name_str);
1637                 }
1638                 for (j = 0; j < 5; j++) {
1639                         bzero(name_str, (sizeof(uint8_t) * sizeof(name_str)));
1640                         snprintf(name_str, sizeof(name_str),
1641                                 "tx_comInt_%02d", (j+1));
1642 
1643                         SYSCTL_ADD_QUAD(ctx, node_children,
1644                                 OID_AUTO, name_str, CTLFLAG_RD,
1645                                 &ha->fp_array[i].tx_comInt[j], name_str);
1646                 }
1647                 for (j = 0; j < 18; j++) {
1648                         bzero(name_str, (sizeof(uint8_t) * sizeof(name_str)));
1649                         snprintf(name_str, sizeof(name_str),
1650                                 "tx_pkts_q_%02d", (j+1));
1651 
1652                         SYSCTL_ADD_QUAD(ctx, node_children,
1653                                 OID_AUTO, name_str, CTLFLAG_RD,
1654                                 &ha->fp_array[i].tx_pkts_q[j], name_str);
1655                 }
1656 #endif
1657 
1658 		SYSCTL_ADD_QUAD(ctx, node_children,
1659 			OID_AUTO, "err_tx_nsegs_gt_elem_left",
1660 			CTLFLAG_RD, &ha->fp_array[i].err_tx_nsegs_gt_elem_left,
1661 			"err_tx_nsegs_gt_elem_left");
1662 
1663 		SYSCTL_ADD_QUAD(ctx, node_children,
1664 			OID_AUTO, "err_tx_dmamap_create",
1665 			CTLFLAG_RD, &ha->fp_array[i].err_tx_dmamap_create,
1666 			"err_tx_dmamap_create");
1667 
1668 		SYSCTL_ADD_QUAD(ctx, node_children,
1669 			OID_AUTO, "err_tx_defrag_dmamap_load",
1670 			CTLFLAG_RD, &ha->fp_array[i].err_tx_defrag_dmamap_load,
1671 			"err_tx_defrag_dmamap_load");
1672 
1673 		SYSCTL_ADD_QUAD(ctx, node_children,
1674 			OID_AUTO, "err_tx_non_tso_max_seg",
1675 			CTLFLAG_RD, &ha->fp_array[i].err_tx_non_tso_max_seg,
1676 			"err_tx_non_tso_max_seg");
1677 
1678 		SYSCTL_ADD_QUAD(ctx, node_children,
1679 			OID_AUTO, "err_tx_dmamap_load",
1680 			CTLFLAG_RD, &ha->fp_array[i].err_tx_dmamap_load,
1681 			"err_tx_dmamap_load");
1682 
1683 		SYSCTL_ADD_QUAD(ctx, node_children,
1684 			OID_AUTO, "err_tx_defrag",
1685 			CTLFLAG_RD, &ha->fp_array[i].err_tx_defrag,
1686 			"err_tx_defrag");
1687 
1688 		SYSCTL_ADD_QUAD(ctx, node_children,
1689 			OID_AUTO, "err_tx_free_pkt_null",
1690 			CTLFLAG_RD, &ha->fp_array[i].err_tx_free_pkt_null,
1691 			"err_tx_free_pkt_null");
1692 
1693 		SYSCTL_ADD_QUAD(ctx, node_children,
1694 			OID_AUTO, "err_tx_cons_idx_conflict",
1695 			CTLFLAG_RD, &ha->fp_array[i].err_tx_cons_idx_conflict,
1696 			"err_tx_cons_idx_conflict");
1697 
1698 		SYSCTL_ADD_QUAD(ctx, node_children,
1699 			OID_AUTO, "lro_cnt_64",
1700 			CTLFLAG_RD, &ha->fp_array[i].lro_cnt_64,
1701 			"lro_cnt_64");
1702 
1703 		SYSCTL_ADD_QUAD(ctx, node_children,
1704 			OID_AUTO, "lro_cnt_128",
1705 			CTLFLAG_RD, &ha->fp_array[i].lro_cnt_128,
1706 			"lro_cnt_128");
1707 
1708 		SYSCTL_ADD_QUAD(ctx, node_children,
1709 			OID_AUTO, "lro_cnt_256",
1710 			CTLFLAG_RD, &ha->fp_array[i].lro_cnt_256,
1711 			"lro_cnt_256");
1712 
1713 		SYSCTL_ADD_QUAD(ctx, node_children,
1714 			OID_AUTO, "lro_cnt_512",
1715 			CTLFLAG_RD, &ha->fp_array[i].lro_cnt_512,
1716 			"lro_cnt_512");
1717 
1718 		SYSCTL_ADD_QUAD(ctx, node_children,
1719 			OID_AUTO, "lro_cnt_1024",
1720 			CTLFLAG_RD, &ha->fp_array[i].lro_cnt_1024,
1721 			"lro_cnt_1024");
1722 
1723 		/* Rx Related */
1724 
1725 		SYSCTL_ADD_QUAD(ctx, node_children,
1726 			OID_AUTO, "rx_pkts",
1727 			CTLFLAG_RD, &ha->fp_array[i].rx_pkts,
1728 			"No. of received packets");
1729 
1730 		SYSCTL_ADD_QUAD(ctx, node_children,
1731 			OID_AUTO, "tpa_start",
1732 			CTLFLAG_RD, &ha->fp_array[i].tpa_start,
1733 			"No. of tpa_start packets");
1734 
1735 		SYSCTL_ADD_QUAD(ctx, node_children,
1736 			OID_AUTO, "tpa_cont",
1737 			CTLFLAG_RD, &ha->fp_array[i].tpa_cont,
1738 			"No. of tpa_cont packets");
1739 
1740 		SYSCTL_ADD_QUAD(ctx, node_children,
1741 			OID_AUTO, "tpa_end",
1742 			CTLFLAG_RD, &ha->fp_array[i].tpa_end,
1743 			"No. of tpa_end packets");
1744 
1745 		SYSCTL_ADD_QUAD(ctx, node_children,
1746 			OID_AUTO, "err_m_getcl",
1747 			CTLFLAG_RD, &ha->fp_array[i].err_m_getcl,
1748 			"err_m_getcl");
1749 
1750 		SYSCTL_ADD_QUAD(ctx, node_children,
1751 			OID_AUTO, "err_m_getjcl",
1752 			CTLFLAG_RD, &ha->fp_array[i].err_m_getjcl,
1753 			"err_m_getjcl");
1754 
1755 		SYSCTL_ADD_QUAD(ctx, node_children,
1756 			OID_AUTO, "err_rx_hw_errors",
1757 			CTLFLAG_RD, &ha->fp_array[i].err_rx_hw_errors,
1758 			"err_rx_hw_errors");
1759 
1760 		SYSCTL_ADD_QUAD(ctx, node_children,
1761 			OID_AUTO, "err_rx_alloc_errors",
1762 			CTLFLAG_RD, &ha->fp_array[i].err_rx_alloc_errors,
1763 			"err_rx_alloc_errors");
1764 	}
1765 
1766 	return;
1767 }
1768 
1769 static void
qlnx_add_hw_stats_sysctls(qlnx_host_t * ha)1770 qlnx_add_hw_stats_sysctls(qlnx_host_t *ha)
1771 {
1772         struct sysctl_ctx_list	*ctx;
1773         struct sysctl_oid_list	*children;
1774 	struct sysctl_oid	*ctx_oid;
1775 
1776         ctx = device_get_sysctl_ctx(ha->pci_dev);
1777 	children = SYSCTL_CHILDREN(device_get_sysctl_tree(ha->pci_dev));
1778 
1779 	ctx_oid = SYSCTL_ADD_NODE(ctx, children, OID_AUTO, "hwstat",
1780 	    CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "hwstat");
1781         children = SYSCTL_CHILDREN(ctx_oid);
1782 
1783 	SYSCTL_ADD_QUAD(ctx, children,
1784                 OID_AUTO, "no_buff_discards",
1785                 CTLFLAG_RD, &ha->hw_stats.common.no_buff_discards,
1786                 "No. of packets discarded due to lack of buffer");
1787 
1788 	SYSCTL_ADD_QUAD(ctx, children,
1789                 OID_AUTO, "packet_too_big_discard",
1790                 CTLFLAG_RD, &ha->hw_stats.common.packet_too_big_discard,
1791                 "No. of packets discarded because packet was too big");
1792 
1793 	SYSCTL_ADD_QUAD(ctx, children,
1794                 OID_AUTO, "ttl0_discard",
1795                 CTLFLAG_RD, &ha->hw_stats.common.ttl0_discard,
1796                 "ttl0_discard");
1797 
1798 	SYSCTL_ADD_QUAD(ctx, children,
1799                 OID_AUTO, "rx_ucast_bytes",
1800                 CTLFLAG_RD, &ha->hw_stats.common.rx_ucast_bytes,
1801                 "rx_ucast_bytes");
1802 
1803 	SYSCTL_ADD_QUAD(ctx, children,
1804                 OID_AUTO, "rx_mcast_bytes",
1805                 CTLFLAG_RD, &ha->hw_stats.common.rx_mcast_bytes,
1806                 "rx_mcast_bytes");
1807 
1808 	SYSCTL_ADD_QUAD(ctx, children,
1809                 OID_AUTO, "rx_bcast_bytes",
1810                 CTLFLAG_RD, &ha->hw_stats.common.rx_bcast_bytes,
1811                 "rx_bcast_bytes");
1812 
1813 	SYSCTL_ADD_QUAD(ctx, children,
1814                 OID_AUTO, "rx_ucast_pkts",
1815                 CTLFLAG_RD, &ha->hw_stats.common.rx_ucast_pkts,
1816                 "rx_ucast_pkts");
1817 
1818 	SYSCTL_ADD_QUAD(ctx, children,
1819                 OID_AUTO, "rx_mcast_pkts",
1820                 CTLFLAG_RD, &ha->hw_stats.common.rx_mcast_pkts,
1821                 "rx_mcast_pkts");
1822 
1823 	SYSCTL_ADD_QUAD(ctx, children,
1824                 OID_AUTO, "rx_bcast_pkts",
1825                 CTLFLAG_RD, &ha->hw_stats.common.rx_bcast_pkts,
1826                 "rx_bcast_pkts");
1827 
1828 	SYSCTL_ADD_QUAD(ctx, children,
1829                 OID_AUTO, "mftag_filter_discards",
1830                 CTLFLAG_RD, &ha->hw_stats.common.mftag_filter_discards,
1831                 "mftag_filter_discards");
1832 
1833 	SYSCTL_ADD_QUAD(ctx, children,
1834                 OID_AUTO, "mac_filter_discards",
1835                 CTLFLAG_RD, &ha->hw_stats.common.mac_filter_discards,
1836                 "mac_filter_discards");
1837 
1838 	SYSCTL_ADD_QUAD(ctx, children,
1839                 OID_AUTO, "tx_ucast_bytes",
1840                 CTLFLAG_RD, &ha->hw_stats.common.tx_ucast_bytes,
1841                 "tx_ucast_bytes");
1842 
1843 	SYSCTL_ADD_QUAD(ctx, children,
1844                 OID_AUTO, "tx_mcast_bytes",
1845                 CTLFLAG_RD, &ha->hw_stats.common.tx_mcast_bytes,
1846                 "tx_mcast_bytes");
1847 
1848 	SYSCTL_ADD_QUAD(ctx, children,
1849                 OID_AUTO, "tx_bcast_bytes",
1850                 CTLFLAG_RD, &ha->hw_stats.common.tx_bcast_bytes,
1851                 "tx_bcast_bytes");
1852 
1853 	SYSCTL_ADD_QUAD(ctx, children,
1854                 OID_AUTO, "tx_ucast_pkts",
1855                 CTLFLAG_RD, &ha->hw_stats.common.tx_ucast_pkts,
1856                 "tx_ucast_pkts");
1857 
1858 	SYSCTL_ADD_QUAD(ctx, children,
1859                 OID_AUTO, "tx_mcast_pkts",
1860                 CTLFLAG_RD, &ha->hw_stats.common.tx_mcast_pkts,
1861                 "tx_mcast_pkts");
1862 
1863 	SYSCTL_ADD_QUAD(ctx, children,
1864                 OID_AUTO, "tx_bcast_pkts",
1865                 CTLFLAG_RD, &ha->hw_stats.common.tx_bcast_pkts,
1866                 "tx_bcast_pkts");
1867 
1868 	SYSCTL_ADD_QUAD(ctx, children,
1869                 OID_AUTO, "tx_err_drop_pkts",
1870                 CTLFLAG_RD, &ha->hw_stats.common.tx_err_drop_pkts,
1871                 "tx_err_drop_pkts");
1872 
1873 	SYSCTL_ADD_QUAD(ctx, children,
1874                 OID_AUTO, "tpa_coalesced_pkts",
1875                 CTLFLAG_RD, &ha->hw_stats.common.tpa_coalesced_pkts,
1876                 "tpa_coalesced_pkts");
1877 
1878 	SYSCTL_ADD_QUAD(ctx, children,
1879                 OID_AUTO, "tpa_coalesced_events",
1880                 CTLFLAG_RD, &ha->hw_stats.common.tpa_coalesced_events,
1881                 "tpa_coalesced_events");
1882 
1883 	SYSCTL_ADD_QUAD(ctx, children,
1884                 OID_AUTO, "tpa_aborts_num",
1885                 CTLFLAG_RD, &ha->hw_stats.common.tpa_aborts_num,
1886                 "tpa_aborts_num");
1887 
1888 	SYSCTL_ADD_QUAD(ctx, children,
1889                 OID_AUTO, "tpa_not_coalesced_pkts",
1890                 CTLFLAG_RD, &ha->hw_stats.common.tpa_not_coalesced_pkts,
1891                 "tpa_not_coalesced_pkts");
1892 
1893 	SYSCTL_ADD_QUAD(ctx, children,
1894                 OID_AUTO, "tpa_coalesced_bytes",
1895                 CTLFLAG_RD, &ha->hw_stats.common.tpa_coalesced_bytes,
1896                 "tpa_coalesced_bytes");
1897 
1898 	SYSCTL_ADD_QUAD(ctx, children,
1899                 OID_AUTO, "rx_64_byte_packets",
1900                 CTLFLAG_RD, &ha->hw_stats.common.rx_64_byte_packets,
1901                 "rx_64_byte_packets");
1902 
1903 	SYSCTL_ADD_QUAD(ctx, children,
1904                 OID_AUTO, "rx_65_to_127_byte_packets",
1905                 CTLFLAG_RD, &ha->hw_stats.common.rx_65_to_127_byte_packets,
1906                 "rx_65_to_127_byte_packets");
1907 
1908 	SYSCTL_ADD_QUAD(ctx, children,
1909                 OID_AUTO, "rx_128_to_255_byte_packets",
1910                 CTLFLAG_RD, &ha->hw_stats.common.rx_128_to_255_byte_packets,
1911                 "rx_128_to_255_byte_packets");
1912 
1913 	SYSCTL_ADD_QUAD(ctx, children,
1914                 OID_AUTO, "rx_256_to_511_byte_packets",
1915                 CTLFLAG_RD, &ha->hw_stats.common.rx_256_to_511_byte_packets,
1916                 "rx_256_to_511_byte_packets");
1917 
1918 	SYSCTL_ADD_QUAD(ctx, children,
1919                 OID_AUTO, "rx_512_to_1023_byte_packets",
1920                 CTLFLAG_RD, &ha->hw_stats.common.rx_512_to_1023_byte_packets,
1921                 "rx_512_to_1023_byte_packets");
1922 
1923 	SYSCTL_ADD_QUAD(ctx, children,
1924                 OID_AUTO, "rx_1024_to_1518_byte_packets",
1925                 CTLFLAG_RD, &ha->hw_stats.common.rx_1024_to_1518_byte_packets,
1926                 "rx_1024_to_1518_byte_packets");
1927 
1928 	SYSCTL_ADD_QUAD(ctx, children,
1929                 OID_AUTO, "rx_1519_to_1522_byte_packets",
1930                 CTLFLAG_RD, &ha->hw_stats.bb.rx_1519_to_1522_byte_packets,
1931                 "rx_1519_to_1522_byte_packets");
1932 
1933 	SYSCTL_ADD_QUAD(ctx, children,
1934                 OID_AUTO, "rx_1523_to_2047_byte_packets",
1935                 CTLFLAG_RD, &ha->hw_stats.bb.rx_1519_to_2047_byte_packets,
1936                 "rx_1523_to_2047_byte_packets");
1937 
1938 	SYSCTL_ADD_QUAD(ctx, children,
1939                 OID_AUTO, "rx_2048_to_4095_byte_packets",
1940                 CTLFLAG_RD, &ha->hw_stats.bb.rx_2048_to_4095_byte_packets,
1941                 "rx_2048_to_4095_byte_packets");
1942 
1943 	SYSCTL_ADD_QUAD(ctx, children,
1944                 OID_AUTO, "rx_4096_to_9216_byte_packets",
1945                 CTLFLAG_RD, &ha->hw_stats.bb.rx_4096_to_9216_byte_packets,
1946                 "rx_4096_to_9216_byte_packets");
1947 
1948 	SYSCTL_ADD_QUAD(ctx, children,
1949                 OID_AUTO, "rx_9217_to_16383_byte_packets",
1950                 CTLFLAG_RD, &ha->hw_stats.bb.rx_9217_to_16383_byte_packets,
1951                 "rx_9217_to_16383_byte_packets");
1952 
1953 	SYSCTL_ADD_QUAD(ctx, children,
1954                 OID_AUTO, "rx_crc_errors",
1955                 CTLFLAG_RD, &ha->hw_stats.common.rx_crc_errors,
1956                 "rx_crc_errors");
1957 
1958 	SYSCTL_ADD_QUAD(ctx, children,
1959                 OID_AUTO, "rx_mac_crtl_frames",
1960                 CTLFLAG_RD, &ha->hw_stats.common.rx_mac_crtl_frames,
1961                 "rx_mac_crtl_frames");
1962 
1963 	SYSCTL_ADD_QUAD(ctx, children,
1964                 OID_AUTO, "rx_pause_frames",
1965                 CTLFLAG_RD, &ha->hw_stats.common.rx_pause_frames,
1966                 "rx_pause_frames");
1967 
1968 	SYSCTL_ADD_QUAD(ctx, children,
1969                 OID_AUTO, "rx_pfc_frames",
1970                 CTLFLAG_RD, &ha->hw_stats.common.rx_pfc_frames,
1971                 "rx_pfc_frames");
1972 
1973 	SYSCTL_ADD_QUAD(ctx, children,
1974                 OID_AUTO, "rx_align_errors",
1975                 CTLFLAG_RD, &ha->hw_stats.common.rx_align_errors,
1976                 "rx_align_errors");
1977 
1978 	SYSCTL_ADD_QUAD(ctx, children,
1979                 OID_AUTO, "rx_carrier_errors",
1980                 CTLFLAG_RD, &ha->hw_stats.common.rx_carrier_errors,
1981                 "rx_carrier_errors");
1982 
1983 	SYSCTL_ADD_QUAD(ctx, children,
1984                 OID_AUTO, "rx_oversize_packets",
1985                 CTLFLAG_RD, &ha->hw_stats.common.rx_oversize_packets,
1986                 "rx_oversize_packets");
1987 
1988 	SYSCTL_ADD_QUAD(ctx, children,
1989                 OID_AUTO, "rx_jabbers",
1990                 CTLFLAG_RD, &ha->hw_stats.common.rx_jabbers,
1991                 "rx_jabbers");
1992 
1993 	SYSCTL_ADD_QUAD(ctx, children,
1994                 OID_AUTO, "rx_undersize_packets",
1995                 CTLFLAG_RD, &ha->hw_stats.common.rx_undersize_packets,
1996                 "rx_undersize_packets");
1997 
1998 	SYSCTL_ADD_QUAD(ctx, children,
1999                 OID_AUTO, "rx_fragments",
2000                 CTLFLAG_RD, &ha->hw_stats.common.rx_fragments,
2001                 "rx_fragments");
2002 
2003 	SYSCTL_ADD_QUAD(ctx, children,
2004                 OID_AUTO, "tx_64_byte_packets",
2005                 CTLFLAG_RD, &ha->hw_stats.common.tx_64_byte_packets,
2006                 "tx_64_byte_packets");
2007 
2008 	SYSCTL_ADD_QUAD(ctx, children,
2009                 OID_AUTO, "tx_65_to_127_byte_packets",
2010                 CTLFLAG_RD, &ha->hw_stats.common.tx_65_to_127_byte_packets,
2011                 "tx_65_to_127_byte_packets");
2012 
2013 	SYSCTL_ADD_QUAD(ctx, children,
2014                 OID_AUTO, "tx_128_to_255_byte_packets",
2015                 CTLFLAG_RD, &ha->hw_stats.common.tx_128_to_255_byte_packets,
2016                 "tx_128_to_255_byte_packets");
2017 
2018 	SYSCTL_ADD_QUAD(ctx, children,
2019                 OID_AUTO, "tx_256_to_511_byte_packets",
2020                 CTLFLAG_RD, &ha->hw_stats.common.tx_256_to_511_byte_packets,
2021                 "tx_256_to_511_byte_packets");
2022 
2023 	SYSCTL_ADD_QUAD(ctx, children,
2024                 OID_AUTO, "tx_512_to_1023_byte_packets",
2025                 CTLFLAG_RD, &ha->hw_stats.common.tx_512_to_1023_byte_packets,
2026                 "tx_512_to_1023_byte_packets");
2027 
2028 	SYSCTL_ADD_QUAD(ctx, children,
2029                 OID_AUTO, "tx_1024_to_1518_byte_packets",
2030                 CTLFLAG_RD, &ha->hw_stats.common.tx_1024_to_1518_byte_packets,
2031                 "tx_1024_to_1518_byte_packets");
2032 
2033 	SYSCTL_ADD_QUAD(ctx, children,
2034                 OID_AUTO, "tx_1519_to_2047_byte_packets",
2035                 CTLFLAG_RD, &ha->hw_stats.bb.tx_1519_to_2047_byte_packets,
2036                 "tx_1519_to_2047_byte_packets");
2037 
2038 	SYSCTL_ADD_QUAD(ctx, children,
2039                 OID_AUTO, "tx_2048_to_4095_byte_packets",
2040                 CTLFLAG_RD, &ha->hw_stats.bb.tx_2048_to_4095_byte_packets,
2041                 "tx_2048_to_4095_byte_packets");
2042 
2043 	SYSCTL_ADD_QUAD(ctx, children,
2044                 OID_AUTO, "tx_4096_to_9216_byte_packets",
2045                 CTLFLAG_RD, &ha->hw_stats.bb.tx_4096_to_9216_byte_packets,
2046                 "tx_4096_to_9216_byte_packets");
2047 
2048 	SYSCTL_ADD_QUAD(ctx, children,
2049                 OID_AUTO, "tx_9217_to_16383_byte_packets",
2050                 CTLFLAG_RD, &ha->hw_stats.bb.tx_9217_to_16383_byte_packets,
2051                 "tx_9217_to_16383_byte_packets");
2052 
2053 	SYSCTL_ADD_QUAD(ctx, children,
2054                 OID_AUTO, "tx_pause_frames",
2055                 CTLFLAG_RD, &ha->hw_stats.common.tx_pause_frames,
2056                 "tx_pause_frames");
2057 
2058 	SYSCTL_ADD_QUAD(ctx, children,
2059                 OID_AUTO, "tx_pfc_frames",
2060                 CTLFLAG_RD, &ha->hw_stats.common.tx_pfc_frames,
2061                 "tx_pfc_frames");
2062 
2063 	SYSCTL_ADD_QUAD(ctx, children,
2064                 OID_AUTO, "tx_lpi_entry_count",
2065                 CTLFLAG_RD, &ha->hw_stats.bb.tx_lpi_entry_count,
2066                 "tx_lpi_entry_count");
2067 
2068 	SYSCTL_ADD_QUAD(ctx, children,
2069                 OID_AUTO, "tx_total_collisions",
2070                 CTLFLAG_RD, &ha->hw_stats.bb.tx_total_collisions,
2071                 "tx_total_collisions");
2072 
2073 	SYSCTL_ADD_QUAD(ctx, children,
2074                 OID_AUTO, "brb_truncates",
2075                 CTLFLAG_RD, &ha->hw_stats.common.brb_truncates,
2076                 "brb_truncates");
2077 
2078 	SYSCTL_ADD_QUAD(ctx, children,
2079                 OID_AUTO, "brb_discards",
2080                 CTLFLAG_RD, &ha->hw_stats.common.brb_discards,
2081                 "brb_discards");
2082 
2083 	SYSCTL_ADD_QUAD(ctx, children,
2084                 OID_AUTO, "rx_mac_bytes",
2085                 CTLFLAG_RD, &ha->hw_stats.common.rx_mac_bytes,
2086                 "rx_mac_bytes");
2087 
2088 	SYSCTL_ADD_QUAD(ctx, children,
2089                 OID_AUTO, "rx_mac_uc_packets",
2090                 CTLFLAG_RD, &ha->hw_stats.common.rx_mac_uc_packets,
2091                 "rx_mac_uc_packets");
2092 
2093 	SYSCTL_ADD_QUAD(ctx, children,
2094                 OID_AUTO, "rx_mac_mc_packets",
2095                 CTLFLAG_RD, &ha->hw_stats.common.rx_mac_mc_packets,
2096                 "rx_mac_mc_packets");
2097 
2098 	SYSCTL_ADD_QUAD(ctx, children,
2099                 OID_AUTO, "rx_mac_bc_packets",
2100                 CTLFLAG_RD, &ha->hw_stats.common.rx_mac_bc_packets,
2101                 "rx_mac_bc_packets");
2102 
2103 	SYSCTL_ADD_QUAD(ctx, children,
2104                 OID_AUTO, "rx_mac_frames_ok",
2105                 CTLFLAG_RD, &ha->hw_stats.common.rx_mac_frames_ok,
2106                 "rx_mac_frames_ok");
2107 
2108 	SYSCTL_ADD_QUAD(ctx, children,
2109                 OID_AUTO, "tx_mac_bytes",
2110                 CTLFLAG_RD, &ha->hw_stats.common.tx_mac_bytes,
2111                 "tx_mac_bytes");
2112 
2113 	SYSCTL_ADD_QUAD(ctx, children,
2114                 OID_AUTO, "tx_mac_uc_packets",
2115                 CTLFLAG_RD, &ha->hw_stats.common.tx_mac_uc_packets,
2116                 "tx_mac_uc_packets");
2117 
2118 	SYSCTL_ADD_QUAD(ctx, children,
2119                 OID_AUTO, "tx_mac_mc_packets",
2120                 CTLFLAG_RD, &ha->hw_stats.common.tx_mac_mc_packets,
2121                 "tx_mac_mc_packets");
2122 
2123 	SYSCTL_ADD_QUAD(ctx, children,
2124                 OID_AUTO, "tx_mac_bc_packets",
2125                 CTLFLAG_RD, &ha->hw_stats.common.tx_mac_bc_packets,
2126                 "tx_mac_bc_packets");
2127 
2128 	SYSCTL_ADD_QUAD(ctx, children,
2129                 OID_AUTO, "tx_mac_ctrl_frames",
2130                 CTLFLAG_RD, &ha->hw_stats.common.tx_mac_ctrl_frames,
2131                 "tx_mac_ctrl_frames");
2132 	return;
2133 }
2134 
2135 static void
qlnx_add_sysctls(qlnx_host_t * ha)2136 qlnx_add_sysctls(qlnx_host_t *ha)
2137 {
2138         device_t		dev = ha->pci_dev;
2139 	struct sysctl_ctx_list	*ctx;
2140 	struct sysctl_oid_list	*children;
2141 
2142 	ctx = device_get_sysctl_ctx(dev);
2143 	children = SYSCTL_CHILDREN(device_get_sysctl_tree(dev));
2144 
2145 	qlnx_add_fp_stats_sysctls(ha);
2146 	qlnx_add_sp_stats_sysctls(ha);
2147 
2148 	if (qlnx_vf_device(ha) != 0)
2149 		qlnx_add_hw_stats_sysctls(ha);
2150 
2151 	SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "Driver_Version",
2152 		CTLFLAG_RD, qlnx_ver_str, 0,
2153 		"Driver Version");
2154 
2155 	SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "STORMFW_Version",
2156 		CTLFLAG_RD, ha->stormfw_ver, 0,
2157 		"STORM Firmware Version");
2158 
2159 	SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "MFW_Version",
2160 		CTLFLAG_RD, ha->mfw_ver, 0,
2161 		"Management Firmware Version");
2162 
2163         SYSCTL_ADD_UINT(ctx, children,
2164                 OID_AUTO, "personality", CTLFLAG_RD,
2165                 &ha->personality, ha->personality,
2166 		"\tpersonality = 0 => Ethernet Only\n"
2167 		"\tpersonality = 3 => Ethernet and RoCE\n"
2168 		"\tpersonality = 4 => Ethernet and iWARP\n"
2169 		"\tpersonality = 6 => Default in Shared Memory\n");
2170 
2171         ha->dbg_level = 0;
2172         SYSCTL_ADD_UINT(ctx, children,
2173                 OID_AUTO, "debug", CTLFLAG_RW,
2174                 &ha->dbg_level, ha->dbg_level, "Debug Level");
2175 
2176         ha->dp_level = 0x01;
2177         SYSCTL_ADD_UINT(ctx, children,
2178                 OID_AUTO, "dp_level", CTLFLAG_RW,
2179                 &ha->dp_level, ha->dp_level, "DP Level");
2180 
2181         ha->dbg_trace_lro_cnt = 0;
2182         SYSCTL_ADD_UINT(ctx, children,
2183                 OID_AUTO, "dbg_trace_lro_cnt", CTLFLAG_RW,
2184                 &ha->dbg_trace_lro_cnt, ha->dbg_trace_lro_cnt,
2185 		"Trace LRO Counts");
2186 
2187         ha->dbg_trace_tso_pkt_len = 0;
2188         SYSCTL_ADD_UINT(ctx, children,
2189                 OID_AUTO, "dbg_trace_tso_pkt_len", CTLFLAG_RW,
2190                 &ha->dbg_trace_tso_pkt_len, ha->dbg_trace_tso_pkt_len,
2191 		"Trace TSO packet lengths");
2192 
2193         ha->dp_module = 0;
2194         SYSCTL_ADD_UINT(ctx, children,
2195                 OID_AUTO, "dp_module", CTLFLAG_RW,
2196                 &ha->dp_module, ha->dp_module, "DP Module");
2197 
2198         ha->err_inject = 0;
2199 
2200         SYSCTL_ADD_UINT(ctx, children,
2201                 OID_AUTO, "err_inject", CTLFLAG_RW,
2202                 &ha->err_inject, ha->err_inject, "Error Inject");
2203 
2204 	ha->storm_stats_enable = 0;
2205 
2206 	SYSCTL_ADD_UINT(ctx, children,
2207 		OID_AUTO, "storm_stats_enable", CTLFLAG_RW,
2208 		&ha->storm_stats_enable, ha->storm_stats_enable,
2209 		"Enable Storm Statistics Gathering");
2210 
2211 	ha->storm_stats_index = 0;
2212 
2213 	SYSCTL_ADD_UINT(ctx, children,
2214 		OID_AUTO, "storm_stats_index", CTLFLAG_RD,
2215 		&ha->storm_stats_index, ha->storm_stats_index,
2216 		"Enable Storm Statistics Gathering Current Index");
2217 
2218 	ha->grcdump_taken = 0;
2219 	SYSCTL_ADD_UINT(ctx, children,
2220 		OID_AUTO, "grcdump_taken", CTLFLAG_RD,
2221 		&ha->grcdump_taken, ha->grcdump_taken,
2222 		"grcdump_taken");
2223 
2224 	ha->idle_chk_taken = 0;
2225 	SYSCTL_ADD_UINT(ctx, children,
2226 		OID_AUTO, "idle_chk_taken", CTLFLAG_RD,
2227 		&ha->idle_chk_taken, ha->idle_chk_taken,
2228 		"idle_chk_taken");
2229 
2230 	SYSCTL_ADD_UINT(ctx, children,
2231 		OID_AUTO, "rx_coalesce_usecs", CTLFLAG_RD,
2232 		&ha->rx_coalesce_usecs, ha->rx_coalesce_usecs,
2233 		"rx_coalesce_usecs");
2234 
2235 	SYSCTL_ADD_UINT(ctx, children,
2236 		OID_AUTO, "tx_coalesce_usecs", CTLFLAG_RD,
2237 		&ha->tx_coalesce_usecs, ha->tx_coalesce_usecs,
2238 		"tx_coalesce_usecs");
2239 
2240 	SYSCTL_ADD_PROC(ctx, children,
2241 	    OID_AUTO, "trigger_dump",
2242 	    CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
2243 	    (void *)ha, 0, qlnx_trigger_dump_sysctl, "I", "trigger_dump");
2244 
2245 	SYSCTL_ADD_PROC(ctx, children,
2246 	    OID_AUTO, "set_rx_coalesce_usecs",
2247 	    CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
2248 	    (void *)ha, 0, qlnx_set_rx_coalesce, "I",
2249 	    "rx interrupt coalesce period microseconds");
2250 
2251 	SYSCTL_ADD_PROC(ctx, children,
2252 	    OID_AUTO, "set_tx_coalesce_usecs",
2253 	    CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
2254 	    (void *)ha, 0, qlnx_set_tx_coalesce, "I",
2255 	    "tx interrupt coalesce period microseconds");
2256 
2257 	ha->rx_pkt_threshold = 128;
2258         SYSCTL_ADD_UINT(ctx, children,
2259                 OID_AUTO, "rx_pkt_threshold", CTLFLAG_RW,
2260                 &ha->rx_pkt_threshold, ha->rx_pkt_threshold,
2261 		"No. of Rx Pkts to process at a time");
2262 
2263 	ha->rx_jumbo_buf_eq_mtu = 0;
2264         SYSCTL_ADD_UINT(ctx, children,
2265                 OID_AUTO, "rx_jumbo_buf_eq_mtu", CTLFLAG_RW,
2266                 &ha->rx_jumbo_buf_eq_mtu, ha->rx_jumbo_buf_eq_mtu,
2267 		"== 0 => Rx Jumbo buffers are capped to 4Kbytes\n"
2268 		"otherwise Rx Jumbo buffers are set to >= MTU size\n");
2269 
2270 	SYSCTL_ADD_QUAD(ctx, children,
2271                 OID_AUTO, "err_illegal_intr", CTLFLAG_RD,
2272 		&ha->err_illegal_intr, "err_illegal_intr");
2273 
2274 	SYSCTL_ADD_QUAD(ctx, children,
2275                 OID_AUTO, "err_fp_null", CTLFLAG_RD,
2276 		&ha->err_fp_null, "err_fp_null");
2277 
2278 	SYSCTL_ADD_QUAD(ctx, children,
2279                 OID_AUTO, "err_get_proto_invalid_type", CTLFLAG_RD,
2280 		&ha->err_get_proto_invalid_type, "err_get_proto_invalid_type");
2281 	return;
2282 }
2283 
2284 /*****************************************************************************
2285  * Operating System Network Interface Functions
2286  *****************************************************************************/
2287 
2288 static void
qlnx_init_ifnet(device_t dev,qlnx_host_t * ha)2289 qlnx_init_ifnet(device_t dev, qlnx_host_t *ha)
2290 {
2291 	uint16_t	device_id;
2292         if_t		ifp;
2293 
2294         ifp = ha->ifp = if_alloc(IFT_ETHER);
2295 
2296         if (ifp == NULL)
2297                 panic("%s: cannot if_alloc()\n", device_get_nameunit(dev));
2298 
2299         if_initname(ifp, device_get_name(dev), device_get_unit(dev));
2300 
2301 	device_id = pci_get_device(ha->pci_dev);
2302 
2303         if (device_id == QLOGIC_PCI_DEVICE_ID_1634)
2304 		if_setbaudrate(ifp, IF_Gbps(40));
2305         else if ((device_id == QLOGIC_PCI_DEVICE_ID_1656) ||
2306 			(device_id == QLOGIC_PCI_DEVICE_ID_8070))
2307 		if_setbaudrate(ifp, IF_Gbps(25));
2308         else if (device_id == QLOGIC_PCI_DEVICE_ID_1654)
2309 		if_setbaudrate(ifp, IF_Gbps(50));
2310         else if (device_id == QLOGIC_PCI_DEVICE_ID_1644)
2311 		if_setbaudrate(ifp, IF_Gbps(100));
2312 
2313         if_setcapabilities(ifp, IFCAP_LINKSTATE);
2314 
2315         if_setinitfn(ifp, qlnx_init);
2316         if_setsoftc(ifp, ha);
2317         if_setflags(ifp, IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST);
2318         if_setioctlfn(ifp, qlnx_ioctl);
2319         if_settransmitfn(ifp, qlnx_transmit);
2320         if_setqflushfn(ifp, qlnx_qflush);
2321 
2322         if_setsendqlen(ifp, qlnx_get_ifq_snd_maxlen(ha));
2323         if_setsendqready(ifp);
2324 
2325 	if_setgetcounterfn(ifp, qlnx_get_counter);
2326 
2327         ha->max_frame_size = if_getmtu(ifp) + ETHER_HDR_LEN + ETHER_CRC_LEN;
2328 
2329         memcpy(ha->primary_mac, qlnx_get_mac_addr(ha), ETH_ALEN);
2330 
2331 	if (!ha->primary_mac[0] && !ha->primary_mac[1] &&
2332 		!ha->primary_mac[2] && !ha->primary_mac[3] &&
2333 		!ha->primary_mac[4] && !ha->primary_mac[5]) {
2334 		uint32_t rnd;
2335 
2336 		rnd = arc4random();
2337 
2338 		ha->primary_mac[0] = 0x00;
2339 		ha->primary_mac[1] = 0x0e;
2340 		ha->primary_mac[2] = 0x1e;
2341 		ha->primary_mac[3] = rnd & 0xFF;
2342 		ha->primary_mac[4] = (rnd >> 8) & 0xFF;
2343 		ha->primary_mac[5] = (rnd >> 16) & 0xFF;
2344 	}
2345 
2346 	ether_ifattach(ifp, ha->primary_mac);
2347 	bcopy(if_getlladdr(ha->ifp), ha->primary_mac, ETHER_ADDR_LEN);
2348 
2349 	if_setcapabilities(ifp, IFCAP_HWCSUM);
2350 	if_setcapabilitiesbit(ifp, IFCAP_JUMBO_MTU, 0);
2351 
2352 	if_setcapabilitiesbit(ifp, IFCAP_VLAN_MTU, 0);
2353 	if_setcapabilitiesbit(ifp, IFCAP_VLAN_HWTAGGING, 0);
2354 	if_setcapabilitiesbit(ifp, IFCAP_VLAN_HWFILTER, 0);
2355 	if_setcapabilitiesbit(ifp, IFCAP_VLAN_HWCSUM, 0);
2356 	if_setcapabilitiesbit(ifp, IFCAP_VLAN_HWTSO, 0);
2357 	if_setcapabilitiesbit(ifp, IFCAP_TSO4, 0);
2358 	if_setcapabilitiesbit(ifp, IFCAP_TSO6, 0);
2359 	if_setcapabilitiesbit(ifp, IFCAP_LRO, 0);
2360 
2361 	if_sethwtsomax(ifp,  QLNX_MAX_TSO_FRAME_SIZE -
2362 				(ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN));
2363 	if_sethwtsomaxsegcount(ifp, QLNX_MAX_SEGMENTS - 1); /* hdr */
2364 	if_sethwtsomaxsegsize(ifp, QLNX_MAX_TX_MBUF_SIZE);
2365 
2366         if_setcapenable(ifp, if_getcapabilities(ifp));
2367 
2368 	if_sethwassist(ifp, CSUM_IP);
2369 	if_sethwassistbits(ifp, CSUM_TCP | CSUM_UDP, 0);
2370 	if_sethwassistbits(ifp, CSUM_TCP_IPV6 | CSUM_UDP_IPV6, 0);
2371 	if_sethwassistbits(ifp, CSUM_TSO, 0);
2372 
2373 	if_setifheaderlen(ifp, sizeof(struct ether_vlan_header));
2374 
2375         ifmedia_init(&ha->media, IFM_IMASK, qlnx_media_change,\
2376 		qlnx_media_status);
2377 
2378         if (device_id == QLOGIC_PCI_DEVICE_ID_1634) {
2379 		ifmedia_add(&ha->media, (IFM_ETHER | IFM_40G_LR4), 0, NULL);
2380 		ifmedia_add(&ha->media, (IFM_ETHER | IFM_40G_SR4), 0, NULL);
2381 		ifmedia_add(&ha->media, (IFM_ETHER | IFM_40G_CR4), 0, NULL);
2382         } else if ((device_id == QLOGIC_PCI_DEVICE_ID_1656) ||
2383 			(device_id == QLOGIC_PCI_DEVICE_ID_8070)) {
2384 		ifmedia_add(&ha->media, (IFM_ETHER | QLNX_IFM_25G_SR), 0, NULL);
2385 		ifmedia_add(&ha->media, (IFM_ETHER | QLNX_IFM_25G_CR), 0, NULL);
2386         } else if (device_id == QLOGIC_PCI_DEVICE_ID_1654) {
2387 		ifmedia_add(&ha->media, (IFM_ETHER | IFM_50G_KR2), 0, NULL);
2388 		ifmedia_add(&ha->media, (IFM_ETHER | IFM_50G_CR2), 0, NULL);
2389         } else if (device_id == QLOGIC_PCI_DEVICE_ID_1644) {
2390 		ifmedia_add(&ha->media,
2391 			(IFM_ETHER | QLNX_IFM_100G_LR4), 0, NULL);
2392 		ifmedia_add(&ha->media,
2393 			(IFM_ETHER | QLNX_IFM_100G_SR4), 0, NULL);
2394 		ifmedia_add(&ha->media,
2395 			(IFM_ETHER | QLNX_IFM_100G_CR4), 0, NULL);
2396 	}
2397 
2398         ifmedia_add(&ha->media, (IFM_ETHER | IFM_FDX), 0, NULL);
2399         ifmedia_add(&ha->media, (IFM_ETHER | IFM_AUTO), 0, NULL);
2400 
2401         ifmedia_set(&ha->media, (IFM_ETHER | IFM_AUTO));
2402 
2403         QL_DPRINT2(ha, "exit\n");
2404 
2405         return;
2406 }
2407 
2408 static void
qlnx_init_locked(qlnx_host_t * ha)2409 qlnx_init_locked(qlnx_host_t *ha)
2410 {
2411 	if_t		ifp = ha->ifp;
2412 
2413 	QL_DPRINT1(ha, "Driver Initialization start \n");
2414 
2415 	qlnx_stop(ha);
2416 
2417 	if (qlnx_load(ha) == 0) {
2418 		if_setdrvflagbits(ifp, IFF_DRV_RUNNING, 0);
2419 		if_setdrvflagbits(ifp, 0, IFF_DRV_OACTIVE);
2420 
2421 #ifdef QLNX_ENABLE_IWARP
2422 		if (qlnx_vf_device(ha) != 0) {
2423 			qlnx_rdma_dev_open(ha);
2424 		}
2425 #endif /* #ifdef QLNX_ENABLE_IWARP */
2426 	}
2427 
2428 	return;
2429 }
2430 
2431 static void
qlnx_init(void * arg)2432 qlnx_init(void *arg)
2433 {
2434 	qlnx_host_t	*ha;
2435 
2436 	ha = (qlnx_host_t *)arg;
2437 
2438 	QL_DPRINT2(ha, "enter\n");
2439 
2440 	QLNX_LOCK(ha);
2441 	qlnx_init_locked(ha);
2442 	QLNX_UNLOCK(ha);
2443 
2444 	QL_DPRINT2(ha, "exit\n");
2445 
2446 	return;
2447 }
2448 
2449 static int
qlnx_config_mcast_mac_addr(qlnx_host_t * ha,uint8_t * mac_addr,uint32_t add_mac)2450 qlnx_config_mcast_mac_addr(qlnx_host_t *ha, uint8_t *mac_addr, uint32_t add_mac)
2451 {
2452 	struct ecore_filter_mcast	*mcast;
2453 	struct ecore_dev		*cdev;
2454 	int				rc;
2455 
2456 	cdev = &ha->cdev;
2457 
2458 	mcast = &ha->ecore_mcast;
2459 	bzero(mcast, sizeof(struct ecore_filter_mcast));
2460 
2461 	if (add_mac)
2462 		mcast->opcode = ECORE_FILTER_ADD;
2463 	else
2464 		mcast->opcode = ECORE_FILTER_REMOVE;
2465 
2466 	mcast->num_mc_addrs = 1;
2467 	memcpy(mcast->mac, mac_addr, ETH_ALEN);
2468 
2469 	rc = ecore_filter_mcast_cmd(cdev, mcast, ECORE_SPQ_MODE_CB, NULL);
2470 
2471 	return (rc);
2472 }
2473 
2474 static int
qlnx_hw_add_mcast(qlnx_host_t * ha,uint8_t * mta)2475 qlnx_hw_add_mcast(qlnx_host_t *ha, uint8_t *mta)
2476 {
2477         int	i;
2478 
2479         for (i = 0; i < QLNX_MAX_NUM_MULTICAST_ADDRS; i++) {
2480                 if (QL_MAC_CMP(ha->mcast[i].addr, mta) == 0)
2481                         return 0; /* its been already added */
2482         }
2483 
2484         for (i = 0; i < QLNX_MAX_NUM_MULTICAST_ADDRS; i++) {
2485                 if ((ha->mcast[i].addr[0] == 0) &&
2486                         (ha->mcast[i].addr[1] == 0) &&
2487                         (ha->mcast[i].addr[2] == 0) &&
2488                         (ha->mcast[i].addr[3] == 0) &&
2489                         (ha->mcast[i].addr[4] == 0) &&
2490                         (ha->mcast[i].addr[5] == 0)) {
2491                         if (qlnx_config_mcast_mac_addr(ha, mta, 1))
2492                                 return (-1);
2493 
2494                         bcopy(mta, ha->mcast[i].addr, ETH_ALEN);
2495                         ha->nmcast++;
2496 
2497                         return 0;
2498                 }
2499         }
2500         return 0;
2501 }
2502 
2503 static int
qlnx_hw_del_mcast(qlnx_host_t * ha,uint8_t * mta)2504 qlnx_hw_del_mcast(qlnx_host_t *ha, uint8_t *mta)
2505 {
2506         int	i;
2507 
2508         for (i = 0; i < QLNX_MAX_NUM_MULTICAST_ADDRS; i++) {
2509                 if (QL_MAC_CMP(ha->mcast[i].addr, mta) == 0) {
2510                         if (qlnx_config_mcast_mac_addr(ha, mta, 0))
2511                                 return (-1);
2512 
2513                         ha->mcast[i].addr[0] = 0;
2514                         ha->mcast[i].addr[1] = 0;
2515                         ha->mcast[i].addr[2] = 0;
2516                         ha->mcast[i].addr[3] = 0;
2517                         ha->mcast[i].addr[4] = 0;
2518                         ha->mcast[i].addr[5] = 0;
2519 
2520                         ha->nmcast--;
2521 
2522                         return 0;
2523                 }
2524         }
2525         return 0;
2526 }
2527 
2528 /*
2529  * Name: qls_hw_set_multi
2530  * Function: Sets the Multicast Addresses provided the host O.S into the
2531  *      hardware (for the given interface)
2532  */
2533 static void
qlnx_hw_set_multi(qlnx_host_t * ha,uint8_t * mta,uint32_t mcnt,uint32_t add_mac)2534 qlnx_hw_set_multi(qlnx_host_t *ha, uint8_t *mta, uint32_t mcnt,
2535 	uint32_t add_mac)
2536 {
2537         int	i;
2538 
2539         for (i = 0; i < mcnt; i++) {
2540                 if (add_mac) {
2541                         if (qlnx_hw_add_mcast(ha, mta))
2542                                 break;
2543                 } else {
2544                         if (qlnx_hw_del_mcast(ha, mta))
2545                                 break;
2546                 }
2547 
2548                 mta += ETHER_HDR_LEN;
2549         }
2550         return;
2551 }
2552 
2553 static u_int
qlnx_copy_maddr(void * arg,struct sockaddr_dl * sdl,u_int mcnt)2554 qlnx_copy_maddr(void *arg, struct sockaddr_dl *sdl, u_int mcnt)
2555 {
2556 	uint8_t *mta = arg;
2557 
2558 	if (mcnt == QLNX_MAX_NUM_MULTICAST_ADDRS)
2559 		return (0);
2560 
2561 	bcopy(LLADDR(sdl), &mta[mcnt * ETHER_HDR_LEN], ETHER_HDR_LEN);
2562 
2563 	return (1);
2564 }
2565 
2566 static int
qlnx_set_multi(qlnx_host_t * ha,uint32_t add_multi)2567 qlnx_set_multi(qlnx_host_t *ha, uint32_t add_multi)
2568 {
2569 	uint8_t		mta[QLNX_MAX_NUM_MULTICAST_ADDRS * ETHER_HDR_LEN];
2570 	if_t		ifp = ha->ifp;
2571 	u_int		mcnt;
2572 
2573 	if (qlnx_vf_device(ha) == 0)
2574 		return (0);
2575 
2576 	mcnt = if_foreach_llmaddr(ifp, qlnx_copy_maddr, mta);
2577 
2578 	QLNX_LOCK(ha);
2579 	qlnx_hw_set_multi(ha, mta, mcnt, add_multi);
2580 	QLNX_UNLOCK(ha);
2581 
2582 	return (0);
2583 }
2584 
2585 static int
qlnx_set_promisc(qlnx_host_t * ha,int enabled)2586 qlnx_set_promisc(qlnx_host_t *ha, int enabled)
2587 {
2588 	int	rc = 0;
2589 	uint8_t	filter;
2590 
2591 	if (qlnx_vf_device(ha) == 0)
2592 		return (0);
2593 
2594 	filter = ha->filter;
2595 	if (enabled) {
2596 		filter |= ECORE_ACCEPT_MCAST_UNMATCHED;
2597 		filter |= ECORE_ACCEPT_UCAST_UNMATCHED;
2598 	} else {
2599 		filter &= ~ECORE_ACCEPT_MCAST_UNMATCHED;
2600 		filter &= ~ECORE_ACCEPT_UCAST_UNMATCHED;
2601 	}
2602 
2603 	rc = qlnx_set_rx_accept_filter(ha, filter);
2604 	return (rc);
2605 }
2606 
2607 static int
qlnx_set_allmulti(qlnx_host_t * ha,int enabled)2608 qlnx_set_allmulti(qlnx_host_t *ha, int enabled)
2609 {
2610 	int	rc = 0;
2611 	uint8_t	filter;
2612 
2613 	if (qlnx_vf_device(ha) == 0)
2614 		return (0);
2615 
2616 	filter = ha->filter;
2617 	if (enabled) {
2618 		filter |= ECORE_ACCEPT_MCAST_UNMATCHED;
2619 	} else {
2620 		filter &= ~ECORE_ACCEPT_MCAST_UNMATCHED;
2621 	}
2622 	rc = qlnx_set_rx_accept_filter(ha, filter);
2623 
2624 	return (rc);
2625 }
2626 
2627 static int
qlnx_ioctl(if_t ifp,u_long cmd,caddr_t data)2628 qlnx_ioctl(if_t ifp, u_long cmd, caddr_t data)
2629 {
2630 	int		ret = 0, mask;
2631 	struct ifreq	*ifr = (struct ifreq *)data;
2632 #ifdef INET
2633 	struct ifaddr	*ifa = (struct ifaddr *)data;
2634 #endif
2635 	qlnx_host_t	*ha;
2636 
2637 	ha = (qlnx_host_t *)if_getsoftc(ifp);
2638 
2639 	switch (cmd) {
2640 	case SIOCSIFADDR:
2641 		QL_DPRINT4(ha, "SIOCSIFADDR (0x%lx)\n", cmd);
2642 
2643 #ifdef INET
2644 		if (ifa->ifa_addr->sa_family == AF_INET) {
2645 			if_setflagbits(ifp, IFF_UP, 0);
2646 			if (!(if_getdrvflags(ifp) & IFF_DRV_RUNNING)) {
2647 				QLNX_LOCK(ha);
2648 				qlnx_init_locked(ha);
2649 				QLNX_UNLOCK(ha);
2650 			}
2651 			QL_DPRINT4(ha, "SIOCSIFADDR (0x%lx) ipv4 [0x%08x]\n",
2652 				   cmd, ntohl(IA_SIN(ifa)->sin_addr.s_addr));
2653 
2654 			arp_ifinit(ifp, ifa);
2655 			break;
2656 		}
2657 #endif
2658 		ether_ioctl(ifp, cmd, data);
2659 		break;
2660 
2661 	case SIOCSIFMTU:
2662 		QL_DPRINT4(ha, "SIOCSIFMTU (0x%lx)\n", cmd);
2663 
2664 		if (ifr->ifr_mtu > QLNX_MAX_MTU) {
2665 			ret = EINVAL;
2666 		} else {
2667 			QLNX_LOCK(ha);
2668 			if_setmtu(ifp, ifr->ifr_mtu);
2669 			ha->max_frame_size =
2670 				if_getmtu(ifp) + ETHER_HDR_LEN + ETHER_CRC_LEN;
2671 			if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) {
2672 				qlnx_init_locked(ha);
2673 			}
2674 
2675 			QLNX_UNLOCK(ha);
2676 		}
2677 
2678 		break;
2679 
2680 	case SIOCSIFFLAGS:
2681 		QL_DPRINT4(ha, "SIOCSIFFLAGS (0x%lx)\n", cmd);
2682 
2683 		QLNX_LOCK(ha);
2684 
2685 		if (if_getflags(ifp) & IFF_UP) {
2686 			if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) {
2687 				if ((if_getflags(ifp) ^ ha->if_flags) &
2688 					IFF_PROMISC) {
2689 					ret = qlnx_set_promisc(ha, ifp->if_flags & IFF_PROMISC);
2690 				} else if ((if_getflags(ifp) ^ ha->if_flags) &
2691 					IFF_ALLMULTI) {
2692 					ret = qlnx_set_allmulti(ha, ifp->if_flags & IFF_ALLMULTI);
2693 				}
2694 			} else {
2695 				ha->max_frame_size = if_getmtu(ifp) +
2696 					ETHER_HDR_LEN + ETHER_CRC_LEN;
2697 				qlnx_init_locked(ha);
2698 			}
2699 		} else {
2700 			if (if_getdrvflags(ifp) & IFF_DRV_RUNNING)
2701 				qlnx_stop(ha);
2702 		}
2703 
2704 		ha->if_flags = if_getflags(ifp);
2705 		QLNX_UNLOCK(ha);
2706 		break;
2707 
2708 	case SIOCADDMULTI:
2709 		QL_DPRINT4(ha, "%s (0x%lx)\n", "SIOCADDMULTI", cmd);
2710 
2711 		if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) {
2712 			if (qlnx_set_multi(ha, 1))
2713 				ret = EINVAL;
2714 		}
2715 		break;
2716 
2717 	case SIOCDELMULTI:
2718 		QL_DPRINT4(ha, "%s (0x%lx)\n", "SIOCDELMULTI", cmd);
2719 
2720 		if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) {
2721 			if (qlnx_set_multi(ha, 0))
2722 				ret = EINVAL;
2723 		}
2724 		break;
2725 
2726 	case SIOCSIFMEDIA:
2727 	case SIOCGIFMEDIA:
2728 		QL_DPRINT4(ha, "SIOCSIFMEDIA/SIOCGIFMEDIA (0x%lx)\n", cmd);
2729 
2730 		ret = ifmedia_ioctl(ifp, ifr, &ha->media, cmd);
2731 		break;
2732 
2733 	case SIOCSIFCAP:
2734 
2735 		mask = ifr->ifr_reqcap ^ if_getcapenable(ifp);
2736 
2737 		QL_DPRINT4(ha, "SIOCSIFCAP (0x%lx)\n", cmd);
2738 
2739 		if (mask & IFCAP_HWCSUM)
2740 			if_togglecapenable(ifp, IFCAP_HWCSUM);
2741 		if (mask & IFCAP_TSO4)
2742 			if_togglecapenable(ifp, IFCAP_TSO4);
2743 		if (mask & IFCAP_TSO6)
2744 			if_togglecapenable(ifp, IFCAP_TSO6);
2745 		if (mask & IFCAP_VLAN_HWTAGGING)
2746 			if_togglecapenable(ifp, IFCAP_VLAN_HWTAGGING);
2747 		if (mask & IFCAP_VLAN_HWTSO)
2748 			if_togglecapenable(ifp, IFCAP_VLAN_HWTSO);
2749 		if (mask & IFCAP_LRO)
2750 			if_togglecapenable(ifp, IFCAP_LRO);
2751 
2752 		QLNX_LOCK(ha);
2753 
2754 		if (if_getdrvflags(ifp) & IFF_DRV_RUNNING)
2755 			qlnx_init_locked(ha);
2756 
2757 		QLNX_UNLOCK(ha);
2758 
2759 		VLAN_CAPABILITIES(ifp);
2760 		break;
2761 
2762 	case SIOCGI2C:
2763 	{
2764 		struct ifi2creq i2c;
2765 		struct ecore_hwfn *p_hwfn = &ha->cdev.hwfns[0];
2766 		struct ecore_ptt *p_ptt;
2767 
2768 		ret = copyin(ifr_data_get_ptr(ifr), &i2c, sizeof(i2c));
2769 
2770 		if (ret)
2771 			break;
2772 
2773 		if ((i2c.len > sizeof (i2c.data)) ||
2774 			(i2c.dev_addr != 0xA0 && i2c.dev_addr != 0xA2)) {
2775 			ret = EINVAL;
2776 			break;
2777 		}
2778 
2779 		p_ptt = ecore_ptt_acquire(p_hwfn);
2780 
2781 		if (!p_ptt) {
2782 			QL_DPRINT1(ha, "ecore_ptt_acquire failed\n");
2783 			ret = -1;
2784 			break;
2785 		}
2786 
2787 		ret = ecore_mcp_phy_sfp_read(p_hwfn, p_ptt,
2788 			(ha->pci_func & 0x1), i2c.dev_addr, i2c.offset,
2789 			i2c.len, &i2c.data[0]);
2790 
2791 		ecore_ptt_release(p_hwfn, p_ptt);
2792 
2793 		if (ret) {
2794 			ret = -1;
2795 			break;
2796 		}
2797 
2798 		ret = copyout(&i2c, ifr_data_get_ptr(ifr), sizeof(i2c));
2799 
2800 		QL_DPRINT8(ha, "SIOCGI2C copyout ret = %d \
2801 			 len = %d addr = 0x%02x offset = 0x%04x \
2802 			 data[0..7]=0x%02x 0x%02x 0x%02x 0x%02x 0x%02x \
2803 			 0x%02x 0x%02x 0x%02x\n",
2804 			ret, i2c.len, i2c.dev_addr, i2c.offset,
2805 			i2c.data[0], i2c.data[1], i2c.data[2], i2c.data[3],
2806 			i2c.data[4], i2c.data[5], i2c.data[6], i2c.data[7]);
2807 		break;
2808 	}
2809 
2810 	default:
2811 		QL_DPRINT4(ha, "default (0x%lx)\n", cmd);
2812 		ret = ether_ioctl(ifp, cmd, data);
2813 		break;
2814 	}
2815 
2816 	return (ret);
2817 }
2818 
2819 static int
qlnx_media_change(if_t ifp)2820 qlnx_media_change(if_t ifp)
2821 {
2822 	qlnx_host_t	*ha;
2823 	struct ifmedia	*ifm;
2824 	int		ret = 0;
2825 
2826 	ha = (qlnx_host_t *)if_getsoftc(ifp);
2827 
2828 	QL_DPRINT2(ha, "enter\n");
2829 
2830 	ifm = &ha->media;
2831 
2832 	if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
2833 		ret = EINVAL;
2834 
2835 	QL_DPRINT2(ha, "exit\n");
2836 
2837 	return (ret);
2838 }
2839 
2840 static void
qlnx_media_status(if_t ifp,struct ifmediareq * ifmr)2841 qlnx_media_status(if_t ifp, struct ifmediareq *ifmr)
2842 {
2843 	qlnx_host_t		*ha;
2844 
2845 	ha = (qlnx_host_t *)if_getsoftc(ifp);
2846 
2847 	QL_DPRINT2(ha, "enter\n");
2848 
2849 	ifmr->ifm_status = IFM_AVALID;
2850 	ifmr->ifm_active = IFM_ETHER;
2851 
2852 	if (ha->link_up) {
2853 		ifmr->ifm_status |= IFM_ACTIVE;
2854 		ifmr->ifm_active |=
2855 			(IFM_FDX | qlnx_get_optics(ha, &ha->if_link));
2856 
2857 		if (ha->if_link.link_partner_caps &
2858 			(QLNX_LINK_CAP_Pause | QLNX_LINK_CAP_Asym_Pause))
2859 			ifmr->ifm_active |=
2860 				(IFM_ETH_RXPAUSE | IFM_ETH_TXPAUSE);
2861 	}
2862 
2863 	QL_DPRINT2(ha, "exit (%s)\n", (ha->link_up ? "link_up" : "link_down"));
2864 
2865 	return;
2866 }
2867 
2868 static void
qlnx_free_tx_pkt(qlnx_host_t * ha,struct qlnx_fastpath * fp,struct qlnx_tx_queue * txq)2869 qlnx_free_tx_pkt(qlnx_host_t *ha, struct qlnx_fastpath *fp,
2870 	struct qlnx_tx_queue *txq)
2871 {
2872 	u16			idx;
2873 	struct mbuf		*mp;
2874 	bus_dmamap_t		map;
2875 	int			i;
2876 //	struct eth_tx_bd	*tx_data_bd;
2877 	struct eth_tx_1st_bd	*first_bd;
2878 	int			nbds = 0;
2879 
2880 	idx = txq->sw_tx_cons;
2881 	mp = txq->sw_tx_ring[idx].mp;
2882 	map = txq->sw_tx_ring[idx].map;
2883 
2884 	if ((mp == NULL) || QL_ERR_INJECT(ha, QL_ERR_INJCT_TX_INT_MBUF_NULL)){
2885 		QL_RESET_ERR_INJECT(ha, QL_ERR_INJCT_TX_INT_MBUF_NULL);
2886 
2887 		QL_DPRINT1(ha, "(mp == NULL) "
2888 			" tx_idx = 0x%x"
2889 			" ecore_prod_idx = 0x%x"
2890 			" ecore_cons_idx = 0x%x"
2891 			" hw_bd_cons = 0x%x"
2892 			" txq_db_last = 0x%x"
2893 			" elem_left = 0x%x\n",
2894 			fp->rss_id,
2895 			ecore_chain_get_prod_idx(&txq->tx_pbl),
2896 			ecore_chain_get_cons_idx(&txq->tx_pbl),
2897 			le16toh(*txq->hw_cons_ptr),
2898 			txq->tx_db.raw,
2899 			ecore_chain_get_elem_left(&txq->tx_pbl));
2900 
2901 		fp->err_tx_free_pkt_null++;
2902 
2903 		//DEBUG
2904 		qlnx_trigger_dump(ha);
2905 
2906 		return;
2907 	} else {
2908 		QLNX_INC_OPACKETS((ha->ifp));
2909 		QLNX_INC_OBYTES((ha->ifp), (mp->m_pkthdr.len));
2910 
2911 		bus_dmamap_sync(ha->tx_tag, map, BUS_DMASYNC_POSTWRITE);
2912 		bus_dmamap_unload(ha->tx_tag, map);
2913 
2914 		fp->tx_pkts_freed++;
2915 		fp->tx_pkts_completed++;
2916 
2917 		m_freem(mp);
2918 	}
2919 
2920 	first_bd = (struct eth_tx_1st_bd *)ecore_chain_consume(&txq->tx_pbl);
2921 	nbds = first_bd->data.nbds;
2922 
2923 //	BD_SET_UNMAP_ADDR_LEN(first_bd, 0, 0);
2924 
2925 	for (i = 1; i < nbds; i++) {
2926 		/* tx_data_bd = */ ecore_chain_consume(&txq->tx_pbl);
2927 //		BD_SET_UNMAP_ADDR_LEN(tx_data_bd, 0, 0);
2928 	}
2929 	txq->sw_tx_ring[idx].flags = 0;
2930 	txq->sw_tx_ring[idx].mp = NULL;
2931 	txq->sw_tx_ring[idx].map = (bus_dmamap_t)0;
2932 
2933 	return;
2934 }
2935 
2936 static void
qlnx_tx_int(qlnx_host_t * ha,struct qlnx_fastpath * fp,struct qlnx_tx_queue * txq)2937 qlnx_tx_int(qlnx_host_t *ha, struct qlnx_fastpath *fp,
2938 	struct qlnx_tx_queue *txq)
2939 {
2940 	u16 hw_bd_cons;
2941 	u16 ecore_cons_idx;
2942 	uint16_t diff;
2943 	uint16_t idx, idx2;
2944 
2945 	hw_bd_cons = le16toh(*txq->hw_cons_ptr);
2946 
2947 	while (hw_bd_cons !=
2948 		(ecore_cons_idx = ecore_chain_get_cons_idx(&txq->tx_pbl))) {
2949 		diff = hw_bd_cons - ecore_cons_idx;
2950 		if ((diff > TX_RING_SIZE) ||
2951 			QL_ERR_INJECT(ha, QL_ERR_INJCT_TX_INT_DIFF)){
2952 			QL_RESET_ERR_INJECT(ha, QL_ERR_INJCT_TX_INT_DIFF);
2953 
2954 			QL_DPRINT1(ha, "(diff = 0x%x) "
2955 				" tx_idx = 0x%x"
2956 				" ecore_prod_idx = 0x%x"
2957 				" ecore_cons_idx = 0x%x"
2958 				" hw_bd_cons = 0x%x"
2959 				" txq_db_last = 0x%x"
2960 				" elem_left = 0x%x\n",
2961 				diff,
2962 				fp->rss_id,
2963 				ecore_chain_get_prod_idx(&txq->tx_pbl),
2964 				ecore_chain_get_cons_idx(&txq->tx_pbl),
2965 				le16toh(*txq->hw_cons_ptr),
2966 				txq->tx_db.raw,
2967 				ecore_chain_get_elem_left(&txq->tx_pbl));
2968 
2969 			fp->err_tx_cons_idx_conflict++;
2970 
2971 			//DEBUG
2972 			qlnx_trigger_dump(ha);
2973 		}
2974 
2975 		idx = (txq->sw_tx_cons + 1) & (TX_RING_SIZE - 1);
2976 		idx2 = (txq->sw_tx_cons + 2) & (TX_RING_SIZE - 1);
2977 		prefetch(txq->sw_tx_ring[idx].mp);
2978 		prefetch(txq->sw_tx_ring[idx2].mp);
2979 
2980 		qlnx_free_tx_pkt(ha, fp, txq);
2981 
2982 		txq->sw_tx_cons = (txq->sw_tx_cons + 1) & (TX_RING_SIZE - 1);
2983 	}
2984 	return;
2985 }
2986 
2987 static int
qlnx_transmit_locked(if_t ifp,struct qlnx_fastpath * fp,struct mbuf * mp)2988 qlnx_transmit_locked(if_t ifp, struct qlnx_fastpath *fp, struct mbuf *mp)
2989 {
2990         int                     ret = 0;
2991         struct qlnx_tx_queue    *txq;
2992         qlnx_host_t *           ha;
2993         uint16_t elem_left;
2994 
2995         txq = fp->txq[0];
2996         ha = (qlnx_host_t *)fp->edev;
2997 
2998         if ((!(if_getdrvflags(ifp) & IFF_DRV_RUNNING)) || (!ha->link_up)) {
2999                 if(mp != NULL)
3000                         ret = drbr_enqueue(ifp, fp->tx_br, mp);
3001                 return (ret);
3002         }
3003 
3004         if(mp != NULL)
3005                 ret  = drbr_enqueue(ifp, fp->tx_br, mp);
3006 
3007         mp = drbr_peek(ifp, fp->tx_br);
3008 
3009         while (mp != NULL) {
3010                 if (qlnx_send(ha, fp, &mp)) {
3011                         if (mp != NULL) {
3012                                 drbr_putback(ifp, fp->tx_br, mp);
3013                         } else {
3014                                 fp->tx_pkts_processed++;
3015                                 drbr_advance(ifp, fp->tx_br);
3016                         }
3017                         goto qlnx_transmit_locked_exit;
3018 
3019                 } else {
3020                         drbr_advance(ifp, fp->tx_br);
3021                         fp->tx_pkts_transmitted++;
3022                         fp->tx_pkts_processed++;
3023                 }
3024 
3025                 mp = drbr_peek(ifp, fp->tx_br);
3026         }
3027 
3028 qlnx_transmit_locked_exit:
3029         if((qlnx_num_tx_compl(ha,fp, fp->txq[0]) > QLNX_TX_COMPL_THRESH) ||
3030                 ((int)(elem_left = ecore_chain_get_elem_left(&txq->tx_pbl))
3031                                         < QLNX_TX_ELEM_MAX_THRESH))
3032                 (void)qlnx_tx_int(ha, fp, fp->txq[0]);
3033 
3034         QL_DPRINT2(ha, "%s: exit ret = %d\n", __func__, ret);
3035         return ret;
3036 }
3037 
3038 static int
qlnx_transmit(if_t ifp,struct mbuf * mp)3039 qlnx_transmit(if_t ifp, struct mbuf  *mp)
3040 {
3041         qlnx_host_t		*ha = (qlnx_host_t *)if_getsoftc(ifp);
3042         struct qlnx_fastpath	*fp;
3043         int			rss_id = 0, ret = 0;
3044 
3045 #ifdef QLNX_TRACEPERF_DATA
3046         uint64_t tx_pkts = 0, tx_compl = 0;
3047 #endif
3048 
3049         QL_DPRINT2(ha, "enter\n");
3050 
3051         if (M_HASHTYPE_GET(mp) != M_HASHTYPE_NONE)
3052                 rss_id = (mp->m_pkthdr.flowid % ECORE_RSS_IND_TABLE_SIZE) %
3053 					ha->num_rss;
3054 
3055         fp = &ha->fp_array[rss_id];
3056 
3057         if (fp->tx_br == NULL) {
3058                 ret = EINVAL;
3059                 goto qlnx_transmit_exit;
3060         }
3061 
3062         if (mtx_trylock(&fp->tx_mtx)) {
3063 #ifdef QLNX_TRACEPERF_DATA
3064                         tx_pkts = fp->tx_pkts_transmitted;
3065                         tx_compl = fp->tx_pkts_completed;
3066 #endif
3067 
3068                         ret = qlnx_transmit_locked(ifp, fp, mp);
3069 
3070 #ifdef QLNX_TRACEPERF_DATA
3071                         fp->tx_pkts_trans_ctx += (fp->tx_pkts_transmitted - tx_pkts);
3072                         fp->tx_pkts_compl_ctx += (fp->tx_pkts_completed - tx_compl);
3073 #endif
3074                         mtx_unlock(&fp->tx_mtx);
3075         } else {
3076                 if (mp != NULL && (fp->fp_taskqueue != NULL)) {
3077                         ret = drbr_enqueue(ifp, fp->tx_br, mp);
3078                         taskqueue_enqueue(fp->fp_taskqueue, &fp->fp_task);
3079                 }
3080         }
3081 
3082 qlnx_transmit_exit:
3083 
3084         QL_DPRINT2(ha, "exit ret = %d\n", ret);
3085         return ret;
3086 }
3087 
3088 static void
qlnx_qflush(if_t ifp)3089 qlnx_qflush(if_t ifp)
3090 {
3091 	int			rss_id;
3092 	struct qlnx_fastpath	*fp;
3093 	struct mbuf		*mp;
3094 	qlnx_host_t		*ha;
3095 
3096 	ha = (qlnx_host_t *)if_getsoftc(ifp);
3097 
3098 	QL_DPRINT2(ha, "enter\n");
3099 
3100 	for (rss_id = 0; rss_id < ha->num_rss; rss_id++) {
3101 		fp = &ha->fp_array[rss_id];
3102 
3103 		if (fp == NULL)
3104 			continue;
3105 
3106 		if (fp->tx_br) {
3107 			mtx_lock(&fp->tx_mtx);
3108 
3109 			while ((mp = drbr_dequeue(ifp, fp->tx_br)) != NULL) {
3110 				fp->tx_pkts_freed++;
3111 				m_freem(mp);
3112 			}
3113 			mtx_unlock(&fp->tx_mtx);
3114 		}
3115 	}
3116 	QL_DPRINT2(ha, "exit\n");
3117 
3118 	return;
3119 }
3120 
3121 static void
qlnx_txq_doorbell_wr32(qlnx_host_t * ha,void * reg_addr,uint32_t value)3122 qlnx_txq_doorbell_wr32(qlnx_host_t *ha, void *reg_addr, uint32_t value)
3123 {
3124 	uint32_t		offset;
3125 
3126 	offset = (uint32_t)((uint8_t *)reg_addr - (uint8_t *)ha->pci_dbells);
3127 
3128 	bus_write_4(ha->pci_dbells, offset, value);
3129 	bus_barrier(ha->pci_reg,  0, 0, BUS_SPACE_BARRIER_READ);
3130 	bus_barrier(ha->pci_dbells,  0, 0, BUS_SPACE_BARRIER_READ);
3131 
3132 	return;
3133 }
3134 
3135 static uint32_t
qlnx_tcp_offset(qlnx_host_t * ha,struct mbuf * mp)3136 qlnx_tcp_offset(qlnx_host_t *ha, struct mbuf *mp)
3137 {
3138         struct ether_vlan_header	*eh = NULL;
3139         struct ip			*ip = NULL;
3140         struct ip6_hdr			*ip6 = NULL;
3141         struct tcphdr			*th = NULL;
3142         uint32_t			ehdrlen = 0, ip_hlen = 0, offset = 0;
3143         uint16_t			etype = 0;
3144         uint8_t				buf[sizeof(struct ip6_hdr)];
3145 
3146         eh = mtod(mp, struct ether_vlan_header *);
3147 
3148         if (eh->evl_encap_proto == htons(ETHERTYPE_VLAN)) {
3149                 ehdrlen = ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN;
3150                 etype = ntohs(eh->evl_proto);
3151         } else {
3152                 ehdrlen = ETHER_HDR_LEN;
3153                 etype = ntohs(eh->evl_encap_proto);
3154         }
3155 
3156         switch (etype) {
3157                 case ETHERTYPE_IP:
3158                         ip = (struct ip *)(mp->m_data + ehdrlen);
3159 
3160                         ip_hlen = sizeof (struct ip);
3161 
3162                         if (mp->m_len < (ehdrlen + ip_hlen)) {
3163                                 m_copydata(mp, ehdrlen, sizeof(struct ip), buf);
3164                                 ip = (struct ip *)buf;
3165                         }
3166 
3167                         th = (struct tcphdr *)(ip + 1);
3168 			offset = ip_hlen + ehdrlen + (th->th_off << 2);
3169                 break;
3170 
3171                 case ETHERTYPE_IPV6:
3172                         ip6 = (struct ip6_hdr *)(mp->m_data + ehdrlen);
3173 
3174                         ip_hlen = sizeof(struct ip6_hdr);
3175 
3176                         if (mp->m_len < (ehdrlen + ip_hlen)) {
3177                                 m_copydata(mp, ehdrlen, sizeof (struct ip6_hdr),
3178                                         buf);
3179                                 ip6 = (struct ip6_hdr *)buf;
3180                         }
3181                         th = (struct tcphdr *)(ip6 + 1);
3182 			offset = ip_hlen + ehdrlen + (th->th_off << 2);
3183                 break;
3184 
3185                 default:
3186                 break;
3187         }
3188 
3189         return (offset);
3190 }
3191 
3192 static __inline int
qlnx_tso_check(struct qlnx_fastpath * fp,bus_dma_segment_t * segs,int nsegs,uint32_t offset)3193 qlnx_tso_check(struct qlnx_fastpath *fp, bus_dma_segment_t *segs, int nsegs,
3194 	uint32_t offset)
3195 {
3196 	int			i;
3197 	uint32_t		sum, nbds_in_hdr = 1;
3198         uint32_t		window;
3199         bus_dma_segment_t	*s_seg;
3200 
3201         /* If the header spans multiple segments, skip those segments */
3202 
3203         if (nsegs < ETH_TX_LSO_WINDOW_BDS_NUM)
3204                 return (0);
3205 
3206         i = 0;
3207 
3208         while ((i < nsegs) && (offset >= segs->ds_len)) {
3209                 offset = offset - segs->ds_len;
3210                 segs++;
3211                 i++;
3212                 nbds_in_hdr++;
3213         }
3214 
3215         window = ETH_TX_LSO_WINDOW_BDS_NUM - nbds_in_hdr;
3216 
3217         nsegs = nsegs - i;
3218 
3219         while (nsegs >= window) {
3220                 sum = 0;
3221                 s_seg = segs;
3222 
3223                 for (i = 0; i < window; i++){
3224                         sum += s_seg->ds_len;
3225                         s_seg++;
3226                 }
3227 
3228                 if (sum < ETH_TX_LSO_WINDOW_MIN_LEN) {
3229                         fp->tx_lso_wnd_min_len++;
3230                         return (-1);
3231                 }
3232 
3233                 nsegs = nsegs - 1;
3234                 segs++;
3235         }
3236 
3237 	return (0);
3238 }
3239 
3240 static int
qlnx_send(qlnx_host_t * ha,struct qlnx_fastpath * fp,struct mbuf ** m_headp)3241 qlnx_send(qlnx_host_t *ha, struct qlnx_fastpath *fp, struct mbuf **m_headp)
3242 {
3243 	bus_dma_segment_t	*segs;
3244 	bus_dmamap_t		map = 0;
3245 	uint32_t		nsegs = 0;
3246 	int			ret = -1;
3247 	struct mbuf		*m_head = *m_headp;
3248 	uint16_t		idx = 0;
3249 	uint16_t		elem_left;
3250 
3251 	uint8_t			nbd = 0;
3252 	struct qlnx_tx_queue    *txq;
3253 
3254 	struct eth_tx_1st_bd    *first_bd;
3255 	struct eth_tx_2nd_bd    *second_bd;
3256 	struct eth_tx_3rd_bd    *third_bd;
3257 	struct eth_tx_bd        *tx_data_bd;
3258 
3259 	int			seg_idx = 0;
3260 	uint32_t		nbds_in_hdr = 0;
3261 	uint32_t		offset = 0;
3262 
3263 #ifdef QLNX_TRACE_PERF_DATA
3264         uint16_t                bd_used;
3265 #endif
3266 
3267 	QL_DPRINT8(ha, "enter[%d]\n", fp->rss_id);
3268 
3269 	if (!ha->link_up)
3270 		return (-1);
3271 
3272 	first_bd	= NULL;
3273 	second_bd	= NULL;
3274 	third_bd	= NULL;
3275 	tx_data_bd	= NULL;
3276 
3277 	txq = fp->txq[0];
3278 
3279         if ((int)(elem_left = ecore_chain_get_elem_left(&txq->tx_pbl)) <
3280 		QLNX_TX_ELEM_MIN_THRESH) {
3281                 fp->tx_nsegs_gt_elem_left++;
3282                 fp->err_tx_nsegs_gt_elem_left++;
3283 
3284                 return (ENOBUFS);
3285         }
3286 
3287 	idx = txq->sw_tx_prod;
3288 
3289 	map = txq->sw_tx_ring[idx].map;
3290 	segs = txq->segs;
3291 
3292 	ret = bus_dmamap_load_mbuf_sg(ha->tx_tag, map, m_head, segs, &nsegs,
3293 			BUS_DMA_NOWAIT);
3294 
3295 	if (ha->dbg_trace_tso_pkt_len) {
3296 		if (m_head->m_pkthdr.csum_flags & CSUM_TSO) {
3297 			if (!fp->tx_tso_min_pkt_len) {
3298 				fp->tx_tso_min_pkt_len = m_head->m_pkthdr.len;
3299 				fp->tx_tso_min_pkt_len = m_head->m_pkthdr.len;
3300 			} else {
3301 				if (fp->tx_tso_min_pkt_len > m_head->m_pkthdr.len)
3302 					fp->tx_tso_min_pkt_len =
3303 						m_head->m_pkthdr.len;
3304 				if (fp->tx_tso_max_pkt_len < m_head->m_pkthdr.len)
3305 					fp->tx_tso_max_pkt_len =
3306 						m_head->m_pkthdr.len;
3307 			}
3308 		}
3309 	}
3310 
3311 	if (m_head->m_pkthdr.csum_flags & CSUM_TSO)
3312 		offset = qlnx_tcp_offset(ha, m_head);
3313 
3314 	if ((ret == EFBIG) ||
3315 		((nsegs > QLNX_MAX_SEGMENTS_NON_TSO) && (
3316 			(!(m_head->m_pkthdr.csum_flags & CSUM_TSO)) ||
3317 		((m_head->m_pkthdr.csum_flags & CSUM_TSO) &&
3318 			qlnx_tso_check(fp, segs, nsegs, offset))))) {
3319 		struct mbuf *m;
3320 
3321 		QL_DPRINT8(ha, "EFBIG [%d]\n", m_head->m_pkthdr.len);
3322 
3323 		fp->tx_defrag++;
3324 
3325 		m = m_defrag(m_head, M_NOWAIT);
3326 		if (m == NULL) {
3327 			fp->err_tx_defrag++;
3328 			fp->tx_pkts_freed++;
3329 			m_freem(m_head);
3330 			*m_headp = NULL;
3331 			QL_DPRINT1(ha, "m_defrag() = NULL [%d]\n", ret);
3332 			return (ENOBUFS);
3333 		}
3334 
3335 		m_head = m;
3336 		*m_headp = m_head;
3337 
3338 		if ((ret = bus_dmamap_load_mbuf_sg(ha->tx_tag, map, m_head,
3339 				segs, &nsegs, BUS_DMA_NOWAIT))) {
3340 			fp->err_tx_defrag_dmamap_load++;
3341 
3342 			QL_DPRINT1(ha,
3343 				"bus_dmamap_load_mbuf_sg failed0 [%d, %d]\n",
3344 				ret, m_head->m_pkthdr.len);
3345 
3346 			fp->tx_pkts_freed++;
3347 			m_freem(m_head);
3348 			*m_headp = NULL;
3349 
3350 			return (ret);
3351 		}
3352 
3353 		if ((nsegs > QLNX_MAX_SEGMENTS_NON_TSO) &&
3354 			!(m_head->m_pkthdr.csum_flags & CSUM_TSO)) {
3355 			fp->err_tx_non_tso_max_seg++;
3356 
3357 			QL_DPRINT1(ha,
3358 				"(%d) nsegs too many for non-TSO [%d, %d]\n",
3359 				ret, nsegs, m_head->m_pkthdr.len);
3360 
3361 			fp->tx_pkts_freed++;
3362 			m_freem(m_head);
3363 			*m_headp = NULL;
3364 
3365 			return (ret);
3366 		}
3367 		if (m_head->m_pkthdr.csum_flags & CSUM_TSO)
3368 			offset = qlnx_tcp_offset(ha, m_head);
3369 
3370 	} else if (ret) {
3371 		fp->err_tx_dmamap_load++;
3372 
3373 		QL_DPRINT1(ha, "bus_dmamap_load_mbuf_sg failed1 [%d, %d]\n",
3374 			   ret, m_head->m_pkthdr.len);
3375 		fp->tx_pkts_freed++;
3376 		m_freem(m_head);
3377 		*m_headp = NULL;
3378 		return (ret);
3379 	}
3380 
3381 	QL_ASSERT(ha, (nsegs != 0), ("qlnx_send: empty packet"));
3382 
3383 	if (ha->dbg_trace_tso_pkt_len) {
3384 		if (nsegs < QLNX_FP_MAX_SEGS)
3385 			fp->tx_pkts[(nsegs - 1)]++;
3386 		else
3387 			fp->tx_pkts[(QLNX_FP_MAX_SEGS - 1)]++;
3388 	}
3389 
3390 #ifdef QLNX_TRACE_PERF_DATA
3391         if (m_head->m_pkthdr.csum_flags & CSUM_TSO) {
3392                 if(m_head->m_pkthdr.len <= 2048)
3393                         fp->tx_pkts_hist[0]++;
3394                 else if((m_head->m_pkthdr.len > 2048) &&
3395 				(m_head->m_pkthdr.len <= 4096))
3396                         fp->tx_pkts_hist[1]++;
3397                 else if((m_head->m_pkthdr.len > 4096) &&
3398 				(m_head->m_pkthdr.len <= 8192))
3399                         fp->tx_pkts_hist[2]++;
3400                 else if((m_head->m_pkthdr.len > 8192) &&
3401 				(m_head->m_pkthdr.len <= 12288 ))
3402                         fp->tx_pkts_hist[3]++;
3403                 else if((m_head->m_pkthdr.len > 11288) &&
3404 				(m_head->m_pkthdr.len <= 16394))
3405                         fp->tx_pkts_hist[4]++;
3406                 else if((m_head->m_pkthdr.len > 16384) &&
3407 				(m_head->m_pkthdr.len <= 20480))
3408                         fp->tx_pkts_hist[5]++;
3409                 else if((m_head->m_pkthdr.len > 20480) &&
3410 				(m_head->m_pkthdr.len <= 24576))
3411                         fp->tx_pkts_hist[6]++;
3412                 else if((m_head->m_pkthdr.len > 24576) &&
3413 				(m_head->m_pkthdr.len <= 28672))
3414                         fp->tx_pkts_hist[7]++;
3415                 else if((m_head->m_pkthdr.len > 28762) &&
3416 				(m_head->m_pkthdr.len <= 32768))
3417                         fp->tx_pkts_hist[8]++;
3418                 else if((m_head->m_pkthdr.len > 32768) &&
3419 				(m_head->m_pkthdr.len <= 36864))
3420                         fp->tx_pkts_hist[9]++;
3421                 else if((m_head->m_pkthdr.len > 36864) &&
3422 				(m_head->m_pkthdr.len <= 40960))
3423                         fp->tx_pkts_hist[10]++;
3424                 else if((m_head->m_pkthdr.len > 40960) &&
3425 				(m_head->m_pkthdr.len <= 45056))
3426                         fp->tx_pkts_hist[11]++;
3427                 else if((m_head->m_pkthdr.len > 45056) &&
3428 				(m_head->m_pkthdr.len <= 49152))
3429                         fp->tx_pkts_hist[12]++;
3430                 else if((m_head->m_pkthdr.len > 49512) &&
3431 				m_head->m_pkthdr.len <= 53248))
3432                         fp->tx_pkts_hist[13]++;
3433                 else if((m_head->m_pkthdr.len > 53248) &&
3434 				(m_head->m_pkthdr.len <= 57344))
3435                         fp->tx_pkts_hist[14]++;
3436                 else if((m_head->m_pkthdr.len > 53248) &&
3437 				(m_head->m_pkthdr.len <= 57344))
3438                         fp->tx_pkts_hist[15]++;
3439                 else if((m_head->m_pkthdr.len > 57344) &&
3440 				(m_head->m_pkthdr.len <= 61440))
3441                         fp->tx_pkts_hist[16]++;
3442                 else
3443                         fp->tx_pkts_hist[17]++;
3444         }
3445 
3446         if (m_head->m_pkthdr.csum_flags & CSUM_TSO) {
3447                 elem_left =  ecore_chain_get_elem_left(&txq->tx_pbl);
3448                 bd_used = TX_RING_SIZE - elem_left;
3449 
3450                 if(bd_used <= 100)
3451                         fp->tx_pkts_q[0]++;
3452                 else if((bd_used > 100) && (bd_used <= 500))
3453                         fp->tx_pkts_q[1]++;
3454                 else if((bd_used > 500) && (bd_used <= 1000))
3455                         fp->tx_pkts_q[2]++;
3456                 else if((bd_used > 1000) && (bd_used <= 2000))
3457                         fp->tx_pkts_q[3]++;
3458                 else if((bd_used > 3000) && (bd_used <= 4000))
3459                         fp->tx_pkts_q[4]++;
3460                 else if((bd_used > 4000) && (bd_used <= 5000))
3461                         fp->tx_pkts_q[5]++;
3462                 else if((bd_used > 6000) && (bd_used <= 7000))
3463                         fp->tx_pkts_q[6]++;
3464                 else if((bd_used > 7000) && (bd_used <= 8000))
3465                         fp->tx_pkts_q[7]++;
3466                 else if((bd_used > 8000) && (bd_used <= 9000))
3467                         fp->tx_pkts_q[8]++;
3468                 else if((bd_used > 9000) && (bd_used <= 10000))
3469                         fp->tx_pkts_q[9]++;
3470                 else if((bd_used > 10000) && (bd_used <= 11000))
3471                         fp->tx_pkts_q[10]++;
3472                 else if((bd_used > 11000) && (bd_used <= 12000))
3473                         fp->tx_pkts_q[11]++;
3474                 else if((bd_used > 12000) && (bd_used <= 13000))
3475                         fp->tx_pkts_q[12]++;
3476                 else if((bd_used > 13000) && (bd_used <= 14000))
3477                         fp->tx_pkts_q[13]++;
3478                 else if((bd_used > 14000) && (bd_used <= 15000))
3479                         fp->tx_pkts_q[14]++;
3480                else if((bd_used > 15000) && (bd_used <= 16000))
3481                         fp->tx_pkts_q[15]++;
3482                 else
3483                         fp->tx_pkts_q[16]++;
3484         }
3485 
3486 #endif /* end of QLNX_TRACE_PERF_DATA */
3487 
3488 	if ((nsegs + QLNX_TX_ELEM_RESERVE) >
3489 		(int)(elem_left = ecore_chain_get_elem_left(&txq->tx_pbl))) {
3490 		QL_DPRINT1(ha, "(%d, 0x%x) insuffient BDs"
3491 			" in chain[%d] trying to free packets\n",
3492 			nsegs, elem_left, fp->rss_id);
3493 
3494 		fp->tx_nsegs_gt_elem_left++;
3495 
3496 		(void)qlnx_tx_int(ha, fp, txq);
3497 
3498 		if ((nsegs + QLNX_TX_ELEM_RESERVE) > (int)(elem_left =
3499 			ecore_chain_get_elem_left(&txq->tx_pbl))) {
3500 			QL_DPRINT1(ha,
3501 				"(%d, 0x%x) insuffient BDs in chain[%d]\n",
3502 				nsegs, elem_left, fp->rss_id);
3503 
3504 			fp->err_tx_nsegs_gt_elem_left++;
3505 			fp->tx_ring_full = 1;
3506 			if (ha->storm_stats_enable)
3507 				ha->storm_stats_gather = 1;
3508 			return (ENOBUFS);
3509 		}
3510 	}
3511 
3512 	bus_dmamap_sync(ha->tx_tag, map, BUS_DMASYNC_PREWRITE);
3513 
3514 	txq->sw_tx_ring[idx].mp = m_head;
3515 
3516 	first_bd = (struct eth_tx_1st_bd *)ecore_chain_produce(&txq->tx_pbl);
3517 
3518 	memset(first_bd, 0, sizeof(*first_bd));
3519 
3520 	first_bd->data.bd_flags.bitfields =
3521 		1 << ETH_TX_1ST_BD_FLAGS_START_BD_SHIFT;
3522 
3523 	BD_SET_UNMAP_ADDR_LEN(first_bd, segs->ds_addr, segs->ds_len);
3524 
3525 	nbd++;
3526 
3527 	if (m_head->m_pkthdr.csum_flags & CSUM_IP) {
3528 		first_bd->data.bd_flags.bitfields |=
3529 			(1 << ETH_TX_1ST_BD_FLAGS_IP_CSUM_SHIFT);
3530 	}
3531 
3532 	if (m_head->m_pkthdr.csum_flags &
3533 		(CSUM_UDP | CSUM_TCP | CSUM_TCP_IPV6 | CSUM_UDP_IPV6)) {
3534 		first_bd->data.bd_flags.bitfields |=
3535 			(1 << ETH_TX_1ST_BD_FLAGS_L4_CSUM_SHIFT);
3536 	}
3537 
3538         if (m_head->m_flags & M_VLANTAG) {
3539                 first_bd->data.vlan = m_head->m_pkthdr.ether_vtag;
3540 		first_bd->data.bd_flags.bitfields |=
3541 			(1 << ETH_TX_1ST_BD_FLAGS_VLAN_INSERTION_SHIFT);
3542         }
3543 
3544 	if (m_head->m_pkthdr.csum_flags & CSUM_TSO) {
3545                 first_bd->data.bd_flags.bitfields |=
3546 			(1 << ETH_TX_1ST_BD_FLAGS_LSO_SHIFT);
3547 		first_bd->data.bd_flags.bitfields |=
3548 			(1 << ETH_TX_1ST_BD_FLAGS_IP_CSUM_SHIFT);
3549 
3550 		nbds_in_hdr = 1;
3551 
3552 		if (offset == segs->ds_len) {
3553 			BD_SET_UNMAP_ADDR_LEN(first_bd, segs->ds_addr, offset);
3554 			segs++;
3555 			seg_idx++;
3556 
3557 			second_bd = (struct eth_tx_2nd_bd *)
3558 					ecore_chain_produce(&txq->tx_pbl);
3559 			memset(second_bd, 0, sizeof(*second_bd));
3560 			nbd++;
3561 
3562 			if (seg_idx < nsegs) {
3563 				BD_SET_UNMAP_ADDR_LEN(second_bd, \
3564 					(segs->ds_addr), (segs->ds_len));
3565 				segs++;
3566 				seg_idx++;
3567 			}
3568 
3569 			third_bd = (struct eth_tx_3rd_bd *)
3570 					ecore_chain_produce(&txq->tx_pbl);
3571 			memset(third_bd, 0, sizeof(*third_bd));
3572 			third_bd->data.lso_mss = m_head->m_pkthdr.tso_segsz;
3573 			third_bd->data.bitfields |=
3574 				(nbds_in_hdr<<ETH_TX_DATA_3RD_BD_HDR_NBD_SHIFT);
3575 			nbd++;
3576 
3577 			if (seg_idx < nsegs) {
3578 				BD_SET_UNMAP_ADDR_LEN(third_bd, \
3579 					(segs->ds_addr), (segs->ds_len));
3580 				segs++;
3581 				seg_idx++;
3582 			}
3583 
3584 			for (; seg_idx < nsegs; seg_idx++) {
3585 				tx_data_bd = (struct eth_tx_bd *)
3586 					ecore_chain_produce(&txq->tx_pbl);
3587 				memset(tx_data_bd, 0, sizeof(*tx_data_bd));
3588 				BD_SET_UNMAP_ADDR_LEN(tx_data_bd, \
3589 					segs->ds_addr,\
3590 					segs->ds_len);
3591 				segs++;
3592 				nbd++;
3593 			}
3594 
3595 		} else if (offset < segs->ds_len) {
3596 			BD_SET_UNMAP_ADDR_LEN(first_bd, segs->ds_addr, offset);
3597 
3598 			second_bd = (struct eth_tx_2nd_bd *)
3599 					ecore_chain_produce(&txq->tx_pbl);
3600 			memset(second_bd, 0, sizeof(*second_bd));
3601 			BD_SET_UNMAP_ADDR_LEN(second_bd, \
3602 				(segs->ds_addr + offset),\
3603 				(segs->ds_len - offset));
3604 			nbd++;
3605 			segs++;
3606 
3607 			third_bd = (struct eth_tx_3rd_bd *)
3608 					ecore_chain_produce(&txq->tx_pbl);
3609 			memset(third_bd, 0, sizeof(*third_bd));
3610 
3611 			BD_SET_UNMAP_ADDR_LEN(third_bd, \
3612 					segs->ds_addr,\
3613 					segs->ds_len);
3614 			third_bd->data.lso_mss = m_head->m_pkthdr.tso_segsz;
3615 			third_bd->data.bitfields |=
3616 				(nbds_in_hdr<<ETH_TX_DATA_3RD_BD_HDR_NBD_SHIFT);
3617 			segs++;
3618 			nbd++;
3619 
3620 			for (seg_idx = 2; seg_idx < nsegs; seg_idx++) {
3621 				tx_data_bd = (struct eth_tx_bd *)
3622 					ecore_chain_produce(&txq->tx_pbl);
3623 				memset(tx_data_bd, 0, sizeof(*tx_data_bd));
3624 				BD_SET_UNMAP_ADDR_LEN(tx_data_bd, \
3625 					segs->ds_addr,\
3626 					segs->ds_len);
3627 				segs++;
3628 				nbd++;
3629 			}
3630 
3631 		} else {
3632 			offset = offset - segs->ds_len;
3633 			segs++;
3634 
3635 			for (seg_idx = 1; seg_idx < nsegs; seg_idx++) {
3636 				if (offset)
3637 					nbds_in_hdr++;
3638 
3639 				tx_data_bd = (struct eth_tx_bd *)
3640 					ecore_chain_produce(&txq->tx_pbl);
3641 				memset(tx_data_bd, 0, sizeof(*tx_data_bd));
3642 
3643 				if (second_bd == NULL) {
3644 					second_bd = (struct eth_tx_2nd_bd *)
3645 								tx_data_bd;
3646 				} else if (third_bd == NULL) {
3647 					third_bd = (struct eth_tx_3rd_bd *)
3648 								tx_data_bd;
3649 				}
3650 
3651 				if (offset && (offset < segs->ds_len)) {
3652 					BD_SET_UNMAP_ADDR_LEN(tx_data_bd,\
3653 						segs->ds_addr, offset);
3654 
3655 					tx_data_bd = (struct eth_tx_bd *)
3656 					ecore_chain_produce(&txq->tx_pbl);
3657 
3658 					memset(tx_data_bd, 0,
3659 						sizeof(*tx_data_bd));
3660 
3661 					if (second_bd == NULL) {
3662 						second_bd =
3663 					(struct eth_tx_2nd_bd *)tx_data_bd;
3664 					} else if (third_bd == NULL) {
3665 						third_bd =
3666 					(struct eth_tx_3rd_bd *)tx_data_bd;
3667 					}
3668 					BD_SET_UNMAP_ADDR_LEN(tx_data_bd,\
3669 						(segs->ds_addr + offset), \
3670 						(segs->ds_len - offset));
3671 					nbd++;
3672 					offset = 0;
3673 				} else {
3674 					if (offset)
3675 						offset = offset - segs->ds_len;
3676 					BD_SET_UNMAP_ADDR_LEN(tx_data_bd,\
3677 						segs->ds_addr, segs->ds_len);
3678 				}
3679 				segs++;
3680 				nbd++;
3681 			}
3682 
3683 			if (third_bd == NULL) {
3684 				third_bd = (struct eth_tx_3rd_bd *)
3685 					ecore_chain_produce(&txq->tx_pbl);
3686 				memset(third_bd, 0, sizeof(*third_bd));
3687 			}
3688 
3689 			third_bd->data.lso_mss = m_head->m_pkthdr.tso_segsz;
3690 			third_bd->data.bitfields |=
3691 				(nbds_in_hdr<<ETH_TX_DATA_3RD_BD_HDR_NBD_SHIFT);
3692 		}
3693 		fp->tx_tso_pkts++;
3694 	} else {
3695 		segs++;
3696 		for (seg_idx = 1; seg_idx < nsegs; seg_idx++) {
3697 			tx_data_bd = (struct eth_tx_bd *)
3698 					ecore_chain_produce(&txq->tx_pbl);
3699 			memset(tx_data_bd, 0, sizeof(*tx_data_bd));
3700 			BD_SET_UNMAP_ADDR_LEN(tx_data_bd, segs->ds_addr,\
3701 				segs->ds_len);
3702 			segs++;
3703 			nbd++;
3704 		}
3705 		first_bd->data.bitfields =
3706 			(m_head->m_pkthdr.len & ETH_TX_DATA_1ST_BD_PKT_LEN_MASK)
3707 				 << ETH_TX_DATA_1ST_BD_PKT_LEN_SHIFT;
3708 		first_bd->data.bitfields =
3709 			htole16(first_bd->data.bitfields);
3710 		fp->tx_non_tso_pkts++;
3711 	}
3712 
3713 	first_bd->data.nbds = nbd;
3714 
3715 	if (ha->dbg_trace_tso_pkt_len) {
3716 		if (fp->tx_tso_max_nsegs < nsegs)
3717 			fp->tx_tso_max_nsegs = nsegs;
3718 
3719 		if ((nsegs < fp->tx_tso_min_nsegs) || (!fp->tx_tso_min_nsegs))
3720 			fp->tx_tso_min_nsegs = nsegs;
3721 	}
3722 
3723 	txq->sw_tx_ring[idx].nsegs = nsegs;
3724 	txq->sw_tx_prod = (txq->sw_tx_prod + 1) & (TX_RING_SIZE - 1);
3725 
3726 	txq->tx_db.data.bd_prod =
3727 		htole16(ecore_chain_get_prod_idx(&txq->tx_pbl));
3728 
3729 	qlnx_txq_doorbell_wr32(ha, txq->doorbell_addr, txq->tx_db.raw);
3730 
3731 	QL_DPRINT8(ha, "exit[%d]\n", fp->rss_id);
3732 	return (0);
3733 }
3734 
3735 static void
qlnx_stop(qlnx_host_t * ha)3736 qlnx_stop(qlnx_host_t *ha)
3737 {
3738 	if_t		ifp = ha->ifp;
3739 	int		i;
3740 
3741 	if_setdrvflagbits(ifp, 0, (IFF_DRV_OACTIVE | IFF_DRV_RUNNING));
3742 
3743 	/*
3744 	 * We simply lock and unlock each fp->tx_mtx to
3745 	 * propagate the if_drv_flags
3746 	 * state to each tx thread
3747 	 */
3748         QL_DPRINT1(ha, "QLNX STATE = %d\n",ha->state);
3749 
3750 	if (ha->state == QLNX_STATE_OPEN) {
3751         	for (i = 0; i < ha->num_rss; i++) {
3752 			struct qlnx_fastpath *fp = &ha->fp_array[i];
3753 
3754 			mtx_lock(&fp->tx_mtx);
3755 			mtx_unlock(&fp->tx_mtx);
3756 
3757 			if (fp->fp_taskqueue != NULL)
3758 				taskqueue_enqueue(fp->fp_taskqueue,
3759 					&fp->fp_task);
3760 		}
3761 	}
3762 #ifdef QLNX_ENABLE_IWARP
3763 	if (qlnx_vf_device(ha) != 0) {
3764 		qlnx_rdma_dev_close(ha);
3765 	}
3766 #endif /* #ifdef QLNX_ENABLE_IWARP */
3767 
3768 	qlnx_unload(ha);
3769 
3770 	return;
3771 }
3772 
3773 static int
qlnx_get_ifq_snd_maxlen(qlnx_host_t * ha)3774 qlnx_get_ifq_snd_maxlen(qlnx_host_t *ha)
3775 {
3776         return(TX_RING_SIZE - 1);
3777 }
3778 
3779 uint8_t *
qlnx_get_mac_addr(qlnx_host_t * ha)3780 qlnx_get_mac_addr(qlnx_host_t *ha)
3781 {
3782 	struct ecore_hwfn	*p_hwfn;
3783 	unsigned char mac[ETHER_ADDR_LEN];
3784 	uint8_t			p_is_forced;
3785 
3786 	p_hwfn = &ha->cdev.hwfns[0];
3787 
3788 	if (qlnx_vf_device(ha) != 0)
3789 		return (p_hwfn->hw_info.hw_mac_addr);
3790 
3791 	ecore_vf_read_bulletin(p_hwfn, &p_is_forced);
3792 	if (ecore_vf_bulletin_get_forced_mac(p_hwfn, mac, &p_is_forced) ==
3793 		true) {
3794 		device_printf(ha->pci_dev, "%s: p_is_forced = %d"
3795 			" mac_addr = %02x:%02x:%02x:%02x:%02x:%02x\n", __func__,
3796 			p_is_forced, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
3797         	memcpy(ha->primary_mac, mac, ETH_ALEN);
3798 	}
3799 
3800 	return (ha->primary_mac);
3801 }
3802 
3803 static uint32_t
qlnx_get_optics(qlnx_host_t * ha,struct qlnx_link_output * if_link)3804 qlnx_get_optics(qlnx_host_t *ha, struct qlnx_link_output *if_link)
3805 {
3806 	uint32_t	ifm_type = 0;
3807 
3808 	switch (if_link->media_type) {
3809 	case MEDIA_MODULE_FIBER:
3810 	case MEDIA_UNSPECIFIED:
3811 		if (if_link->speed == (100 * 1000))
3812 			ifm_type = QLNX_IFM_100G_SR4;
3813 		else if (if_link->speed == (40 * 1000))
3814 			ifm_type = IFM_40G_SR4;
3815 		else if (if_link->speed == (25 * 1000))
3816 			ifm_type = QLNX_IFM_25G_SR;
3817 		else if (if_link->speed == (10 * 1000))
3818 			ifm_type = (IFM_10G_LR | IFM_10G_SR);
3819 		else if (if_link->speed == (1 * 1000))
3820 			ifm_type = (IFM_1000_SX | IFM_1000_LX);
3821 
3822 		break;
3823 
3824 	case MEDIA_DA_TWINAX:
3825 		if (if_link->speed == (100 * 1000))
3826 			ifm_type = QLNX_IFM_100G_CR4;
3827 		else if (if_link->speed == (40 * 1000))
3828 			ifm_type = IFM_40G_CR4;
3829 		else if (if_link->speed == (25 * 1000))
3830 			ifm_type = QLNX_IFM_25G_CR;
3831 		else if (if_link->speed == (10 * 1000))
3832 			ifm_type = IFM_10G_TWINAX;
3833 
3834 		break;
3835 
3836 	default :
3837 		ifm_type = IFM_UNKNOWN;
3838 		break;
3839 	}
3840 	return (ifm_type);
3841 }
3842 
3843 /*****************************************************************************
3844  * Interrupt Service Functions
3845  *****************************************************************************/
3846 
3847 static int
qlnx_rx_jumbo_chain(qlnx_host_t * ha,struct qlnx_fastpath * fp,struct mbuf * mp_head,uint16_t len)3848 qlnx_rx_jumbo_chain(qlnx_host_t *ha, struct qlnx_fastpath *fp,
3849 	struct mbuf *mp_head, uint16_t len)
3850 {
3851 	struct mbuf		*mp, *mpf, *mpl;
3852 	struct sw_rx_data	*sw_rx_data;
3853 	struct qlnx_rx_queue	*rxq;
3854 	uint16_t 		len_in_buffer;
3855 
3856 	rxq = fp->rxq;
3857 	mpf = mpl = mp = NULL;
3858 
3859 	while (len) {
3860         	rxq->sw_rx_cons  = (rxq->sw_rx_cons + 1) & (RX_RING_SIZE - 1);
3861 
3862                 sw_rx_data = &rxq->sw_rx_ring[rxq->sw_rx_cons];
3863                 mp = sw_rx_data->data;
3864 
3865 		if (mp == NULL) {
3866                 	QL_DPRINT1(ha, "mp = NULL\n");
3867 			fp->err_rx_mp_null++;
3868         		rxq->sw_rx_cons  =
3869 				(rxq->sw_rx_cons + 1) & (RX_RING_SIZE - 1);
3870 
3871 			if (mpf != NULL)
3872 				m_freem(mpf);
3873 
3874 			return (-1);
3875 		}
3876 		bus_dmamap_sync(ha->rx_tag, sw_rx_data->map,
3877 			BUS_DMASYNC_POSTREAD);
3878 
3879                 if (qlnx_alloc_rx_buffer(ha, rxq) != 0) {
3880                         QL_DPRINT1(ha, "New buffer allocation failed, dropping"
3881 				" incoming packet and reusing its buffer\n");
3882 
3883                         qlnx_reuse_rx_data(rxq);
3884                         fp->err_rx_alloc_errors++;
3885 
3886 			if (mpf != NULL)
3887 				m_freem(mpf);
3888 
3889 			return (-1);
3890 		}
3891                 ecore_chain_consume(&rxq->rx_bd_ring);
3892 
3893 		if (len > rxq->rx_buf_size)
3894 			len_in_buffer = rxq->rx_buf_size;
3895 		else
3896 			len_in_buffer = len;
3897 
3898 		len = len - len_in_buffer;
3899 
3900 		mp->m_flags &= ~M_PKTHDR;
3901 		mp->m_next = NULL;
3902 		mp->m_len = len_in_buffer;
3903 
3904 		if (mpf == NULL)
3905 			mpf = mpl = mp;
3906 		else {
3907 			mpl->m_next = mp;
3908 			mpl = mp;
3909 		}
3910 	}
3911 
3912 	if (mpf != NULL)
3913 		mp_head->m_next = mpf;
3914 
3915 	return (0);
3916 }
3917 
3918 static void
qlnx_tpa_start(qlnx_host_t * ha,struct qlnx_fastpath * fp,struct qlnx_rx_queue * rxq,struct eth_fast_path_rx_tpa_start_cqe * cqe)3919 qlnx_tpa_start(qlnx_host_t *ha,
3920 	struct qlnx_fastpath *fp,
3921 	struct qlnx_rx_queue *rxq,
3922 	struct eth_fast_path_rx_tpa_start_cqe *cqe)
3923 {
3924 	uint32_t		agg_index;
3925         if_t ifp = ha->ifp;
3926 	struct mbuf		*mp;
3927 	struct mbuf		*mpf = NULL, *mpl = NULL, *mpc = NULL;
3928 	struct sw_rx_data	*sw_rx_data;
3929 	dma_addr_t		addr;
3930 	bus_dmamap_t		map;
3931 	struct eth_rx_bd	*rx_bd;
3932 	int			i;
3933 	uint8_t			hash_type;
3934 
3935 	agg_index = cqe->tpa_agg_index;
3936 
3937         QL_DPRINT7(ha, "[rss_id = %d]: enter\n \
3938                 \t type = 0x%x\n \
3939                 \t bitfields = 0x%x\n \
3940                 \t seg_len = 0x%x\n \
3941                 \t pars_flags = 0x%x\n \
3942                 \t vlan_tag = 0x%x\n \
3943                 \t rss_hash = 0x%x\n \
3944                 \t len_on_first_bd = 0x%x\n \
3945                 \t placement_offset = 0x%x\n \
3946                 \t tpa_agg_index = 0x%x\n \
3947                 \t header_len = 0x%x\n \
3948                 \t ext_bd_len_list[0] = 0x%x\n \
3949                 \t ext_bd_len_list[1] = 0x%x\n \
3950                 \t ext_bd_len_list[2] = 0x%x\n \
3951                 \t ext_bd_len_list[3] = 0x%x\n \
3952                 \t ext_bd_len_list[4] = 0x%x\n",
3953                 fp->rss_id, cqe->type, cqe->bitfields, cqe->seg_len,
3954                 cqe->pars_flags.flags, cqe->vlan_tag,
3955                 cqe->rss_hash, cqe->len_on_first_bd, cqe->placement_offset,
3956                 cqe->tpa_agg_index, cqe->header_len,
3957                 cqe->ext_bd_len_list[0], cqe->ext_bd_len_list[1],
3958                 cqe->ext_bd_len_list[2], cqe->ext_bd_len_list[3],
3959                 cqe->ext_bd_len_list[4]);
3960 
3961 	if (agg_index >= ETH_TPA_MAX_AGGS_NUM) {
3962 		fp->err_rx_tpa_invalid_agg_num++;
3963 		return;
3964 	}
3965 
3966 	sw_rx_data = &rxq->sw_rx_ring[rxq->sw_rx_cons];
3967 	bus_dmamap_sync(ha->rx_tag, sw_rx_data->map, BUS_DMASYNC_POSTREAD);
3968 	mp = sw_rx_data->data;
3969 
3970 	QL_DPRINT7(ha, "[rss_id = %d]: mp = %p \n ", fp->rss_id, mp);
3971 
3972 	if (mp == NULL) {
3973                	QL_DPRINT7(ha, "[%d]: mp = NULL\n", fp->rss_id);
3974 		fp->err_rx_mp_null++;
3975        		rxq->sw_rx_cons = (rxq->sw_rx_cons + 1) & (RX_RING_SIZE - 1);
3976 
3977 		return;
3978 	}
3979 
3980 	if ((le16toh(cqe->pars_flags.flags)) & CQE_FLAGS_ERR) {
3981 		QL_DPRINT7(ha, "[%d]: CQE in CONS = %u has error,"
3982 			" flags = %x, dropping incoming packet\n", fp->rss_id,
3983 			rxq->sw_rx_cons, le16toh(cqe->pars_flags.flags));
3984 
3985 		fp->err_rx_hw_errors++;
3986 
3987 		qlnx_reuse_rx_data(rxq);
3988 
3989 		QLNX_INC_IERRORS(ifp);
3990 
3991 		return;
3992 	}
3993 
3994 	if (qlnx_alloc_rx_buffer(ha, rxq) != 0) {
3995 		QL_DPRINT7(ha, "[%d]: New buffer allocation failed,"
3996 			" dropping incoming packet and reusing its buffer\n",
3997 			fp->rss_id);
3998 
3999 		fp->err_rx_alloc_errors++;
4000 		QLNX_INC_IQDROPS(ifp);
4001 
4002 		/*
4003 		 * Load the tpa mbuf into the rx ring and save the
4004 		 * posted mbuf
4005 		 */
4006 
4007 		map = sw_rx_data->map;
4008 		addr = sw_rx_data->dma_addr;
4009 
4010 		sw_rx_data = &rxq->sw_rx_ring[rxq->sw_rx_prod];
4011 
4012 		sw_rx_data->data = rxq->tpa_info[agg_index].rx_buf.data;
4013 		sw_rx_data->dma_addr = rxq->tpa_info[agg_index].rx_buf.dma_addr;
4014 		sw_rx_data->map = rxq->tpa_info[agg_index].rx_buf.map;
4015 
4016 		rxq->tpa_info[agg_index].rx_buf.data = mp;
4017 		rxq->tpa_info[agg_index].rx_buf.dma_addr = addr;
4018 		rxq->tpa_info[agg_index].rx_buf.map = map;
4019 
4020 		rx_bd = (struct eth_rx_bd *)
4021 				ecore_chain_produce(&rxq->rx_bd_ring);
4022 
4023 		rx_bd->addr.hi = htole32(U64_HI(sw_rx_data->dma_addr));
4024 		rx_bd->addr.lo = htole32(U64_LO(sw_rx_data->dma_addr));
4025 
4026 		bus_dmamap_sync(ha->rx_tag, sw_rx_data->map,
4027 			BUS_DMASYNC_PREREAD);
4028 
4029 		rxq->sw_rx_prod = (rxq->sw_rx_prod + 1) & (RX_RING_SIZE - 1);
4030 		rxq->sw_rx_cons = (rxq->sw_rx_cons + 1) & (RX_RING_SIZE - 1);
4031 
4032 		ecore_chain_consume(&rxq->rx_bd_ring);
4033 
4034 		/* Now reuse any buffers posted in ext_bd_len_list */
4035 		for (i = 0; i < ETH_TPA_CQE_START_LEN_LIST_SIZE; i++) {
4036 			if (cqe->ext_bd_len_list[i] == 0)
4037 				break;
4038 
4039 			qlnx_reuse_rx_data(rxq);
4040 		}
4041 
4042 		rxq->tpa_info[agg_index].agg_state = QLNX_AGG_STATE_ERROR;
4043 		return;
4044 	}
4045 
4046 	if (rxq->tpa_info[agg_index].agg_state != QLNX_AGG_STATE_NONE) {
4047 		QL_DPRINT7(ha, "[%d]: invalid aggregation state,"
4048 			" dropping incoming packet and reusing its buffer\n",
4049 			fp->rss_id);
4050 
4051 		QLNX_INC_IQDROPS(ifp);
4052 
4053 		/* if we already have mbuf head in aggregation free it */
4054 		if (rxq->tpa_info[agg_index].mpf) {
4055 			m_freem(rxq->tpa_info[agg_index].mpf);
4056 			rxq->tpa_info[agg_index].mpl = NULL;
4057 		}
4058 		rxq->tpa_info[agg_index].mpf = mp;
4059 		rxq->tpa_info[agg_index].mpl = NULL;
4060 
4061 		rxq->sw_rx_cons = (rxq->sw_rx_cons + 1) & (RX_RING_SIZE - 1);
4062 		ecore_chain_consume(&rxq->rx_bd_ring);
4063 
4064 		/* Now reuse any buffers posted in ext_bd_len_list */
4065 		for (i = 0; i < ETH_TPA_CQE_START_LEN_LIST_SIZE; i++) {
4066 			if (cqe->ext_bd_len_list[i] == 0)
4067 				break;
4068 
4069 			qlnx_reuse_rx_data(rxq);
4070 		}
4071 		rxq->tpa_info[agg_index].agg_state = QLNX_AGG_STATE_ERROR;
4072 
4073 		return;
4074 	}
4075 
4076 	/*
4077 	 * first process the ext_bd_len_list
4078 	 * if this fails then we simply drop the packet
4079 	 */
4080 	ecore_chain_consume(&rxq->rx_bd_ring);
4081 	rxq->sw_rx_cons  = (rxq->sw_rx_cons + 1) & (RX_RING_SIZE - 1);
4082 
4083 	for (i = 0; i < ETH_TPA_CQE_START_LEN_LIST_SIZE; i++) {
4084 		QL_DPRINT7(ha, "[%d]: 4\n ", fp->rss_id);
4085 
4086 		if (cqe->ext_bd_len_list[i] == 0)
4087 			break;
4088 
4089 		sw_rx_data = &rxq->sw_rx_ring[rxq->sw_rx_cons];
4090 		bus_dmamap_sync(ha->rx_tag, sw_rx_data->map,
4091 			BUS_DMASYNC_POSTREAD);
4092 
4093 		mpc = sw_rx_data->data;
4094 
4095 		if (mpc == NULL) {
4096 			QL_DPRINT7(ha, "[%d]: mpc = NULL\n", fp->rss_id);
4097 			fp->err_rx_mp_null++;
4098 			if (mpf != NULL)
4099 				m_freem(mpf);
4100 			mpf = mpl = NULL;
4101 			rxq->tpa_info[agg_index].agg_state =
4102 						QLNX_AGG_STATE_ERROR;
4103 			ecore_chain_consume(&rxq->rx_bd_ring);
4104 			rxq->sw_rx_cons =
4105 				(rxq->sw_rx_cons + 1) & (RX_RING_SIZE - 1);
4106 			continue;
4107 		}
4108 
4109 		if (qlnx_alloc_rx_buffer(ha, rxq) != 0) {
4110 			QL_DPRINT7(ha, "[%d]: New buffer allocation failed,"
4111 				" dropping incoming packet and reusing its"
4112 				" buffer\n", fp->rss_id);
4113 
4114 			qlnx_reuse_rx_data(rxq);
4115 
4116 			if (mpf != NULL)
4117 				m_freem(mpf);
4118 			mpf = mpl = NULL;
4119 
4120 			rxq->tpa_info[agg_index].agg_state =
4121 						QLNX_AGG_STATE_ERROR;
4122 
4123 			ecore_chain_consume(&rxq->rx_bd_ring);
4124 			rxq->sw_rx_cons =
4125 				(rxq->sw_rx_cons + 1) & (RX_RING_SIZE - 1);
4126 
4127 			continue;
4128 		}
4129 
4130 		mpc->m_flags &= ~M_PKTHDR;
4131 		mpc->m_next = NULL;
4132 		mpc->m_len = cqe->ext_bd_len_list[i];
4133 
4134 		if (mpf == NULL) {
4135 			mpf = mpl = mpc;
4136 		} else {
4137 			mpl->m_len = ha->rx_buf_size;
4138 			mpl->m_next = mpc;
4139 			mpl = mpc;
4140 		}
4141 
4142 		ecore_chain_consume(&rxq->rx_bd_ring);
4143 		rxq->sw_rx_cons =
4144 			(rxq->sw_rx_cons + 1) & (RX_RING_SIZE - 1);
4145 	}
4146 
4147 	if (rxq->tpa_info[agg_index].agg_state != QLNX_AGG_STATE_NONE) {
4148 		QL_DPRINT7(ha, "[%d]: invalid aggregation state, dropping"
4149 			" incoming packet and reusing its buffer\n",
4150 			fp->rss_id);
4151 
4152 		QLNX_INC_IQDROPS(ifp);
4153 
4154 		rxq->tpa_info[agg_index].mpf = mp;
4155 		rxq->tpa_info[agg_index].mpl = NULL;
4156 
4157 		return;
4158 	}
4159 
4160         rxq->tpa_info[agg_index].placement_offset = cqe->placement_offset;
4161 
4162         if (mpf != NULL) {
4163                 mp->m_len = ha->rx_buf_size;
4164                 mp->m_next = mpf;
4165                 rxq->tpa_info[agg_index].mpf = mp;
4166                 rxq->tpa_info[agg_index].mpl = mpl;
4167         } else {
4168                 mp->m_len = cqe->len_on_first_bd + cqe->placement_offset;
4169                 rxq->tpa_info[agg_index].mpf = mp;
4170                 rxq->tpa_info[agg_index].mpl = mp;
4171                 mp->m_next = NULL;
4172         }
4173 
4174 	mp->m_flags |= M_PKTHDR;
4175 
4176 	/* assign packet to this interface interface */
4177 	mp->m_pkthdr.rcvif = ifp;
4178 
4179 	/* assume no hardware checksum has complated */
4180 	mp->m_pkthdr.csum_flags = 0;
4181 
4182 	//mp->m_pkthdr.flowid = fp->rss_id;
4183 	mp->m_pkthdr.flowid = cqe->rss_hash;
4184 
4185 	hash_type = cqe->bitfields &
4186 			(ETH_FAST_PATH_RX_REG_CQE_RSS_HASH_TYPE_MASK <<
4187 			ETH_FAST_PATH_RX_REG_CQE_RSS_HASH_TYPE_SHIFT);
4188 
4189 	switch (hash_type) {
4190 	case RSS_HASH_TYPE_IPV4:
4191 		M_HASHTYPE_SET(mp, M_HASHTYPE_RSS_IPV4);
4192 		break;
4193 
4194 	case RSS_HASH_TYPE_TCP_IPV4:
4195 		M_HASHTYPE_SET(mp, M_HASHTYPE_RSS_TCP_IPV4);
4196 		break;
4197 
4198 	case RSS_HASH_TYPE_IPV6:
4199 		M_HASHTYPE_SET(mp, M_HASHTYPE_RSS_IPV6);
4200 		break;
4201 
4202 	case RSS_HASH_TYPE_TCP_IPV6:
4203 		M_HASHTYPE_SET(mp, M_HASHTYPE_RSS_TCP_IPV6);
4204 		break;
4205 
4206 	default:
4207 		M_HASHTYPE_SET(mp, M_HASHTYPE_OPAQUE);
4208 		break;
4209 	}
4210 
4211 	mp->m_pkthdr.csum_flags |= (CSUM_IP_CHECKED | CSUM_IP_VALID |
4212 					CSUM_DATA_VALID | CSUM_PSEUDO_HDR);
4213 
4214 	mp->m_pkthdr.csum_data = 0xFFFF;
4215 
4216 	if (CQE_HAS_VLAN(cqe->pars_flags.flags)) {
4217 		mp->m_pkthdr.ether_vtag = le16toh(cqe->vlan_tag);
4218 		mp->m_flags |= M_VLANTAG;
4219 	}
4220 
4221 	rxq->tpa_info[agg_index].agg_state = QLNX_AGG_STATE_START;
4222 
4223         QL_DPRINT7(ha, "[%d]: 5\n\tagg_state = %d\n\t mpf = %p mpl = %p\n",
4224 		fp->rss_id, rxq->tpa_info[agg_index].agg_state,
4225                 rxq->tpa_info[agg_index].mpf, rxq->tpa_info[agg_index].mpl);
4226 
4227 	return;
4228 }
4229 
4230 static void
qlnx_tpa_cont(qlnx_host_t * ha,struct qlnx_fastpath * fp,struct qlnx_rx_queue * rxq,struct eth_fast_path_rx_tpa_cont_cqe * cqe)4231 qlnx_tpa_cont(qlnx_host_t *ha, struct qlnx_fastpath *fp,
4232 	struct qlnx_rx_queue *rxq,
4233 	struct eth_fast_path_rx_tpa_cont_cqe *cqe)
4234 {
4235 	struct sw_rx_data	*sw_rx_data;
4236 	int			i;
4237 	struct mbuf		*mpf = NULL, *mpl = NULL, *mpc = NULL;
4238 	struct mbuf		*mp;
4239 	uint32_t		agg_index;
4240 
4241         QL_DPRINT7(ha, "[%d]: enter\n \
4242                 \t type = 0x%x\n \
4243                 \t tpa_agg_index = 0x%x\n \
4244                 \t len_list[0] = 0x%x\n \
4245                 \t len_list[1] = 0x%x\n \
4246                 \t len_list[2] = 0x%x\n \
4247                 \t len_list[3] = 0x%x\n \
4248                 \t len_list[4] = 0x%x\n \
4249                 \t len_list[5] = 0x%x\n",
4250                 fp->rss_id, cqe->type, cqe->tpa_agg_index,
4251                 cqe->len_list[0], cqe->len_list[1], cqe->len_list[2],
4252                 cqe->len_list[3], cqe->len_list[4], cqe->len_list[5]);
4253 
4254 	agg_index = cqe->tpa_agg_index;
4255 
4256 	if (agg_index >= ETH_TPA_MAX_AGGS_NUM) {
4257 		QL_DPRINT7(ha, "[%d]: 0\n ", fp->rss_id);
4258 		fp->err_rx_tpa_invalid_agg_num++;
4259 		return;
4260 	}
4261 
4262 	for (i = 0; i < ETH_TPA_CQE_CONT_LEN_LIST_SIZE; i++) {
4263 		QL_DPRINT7(ha, "[%d]: 1\n ", fp->rss_id);
4264 
4265 		if (cqe->len_list[i] == 0)
4266 			break;
4267 
4268 		if (rxq->tpa_info[agg_index].agg_state !=
4269 			QLNX_AGG_STATE_START) {
4270 			qlnx_reuse_rx_data(rxq);
4271 			continue;
4272 		}
4273 
4274 		sw_rx_data = &rxq->sw_rx_ring[rxq->sw_rx_cons];
4275 		bus_dmamap_sync(ha->rx_tag, sw_rx_data->map,
4276 			BUS_DMASYNC_POSTREAD);
4277 
4278 		mpc = sw_rx_data->data;
4279 
4280 		if (mpc == NULL) {
4281 			QL_DPRINT7(ha, "[%d]: mpc = NULL\n", fp->rss_id);
4282 
4283 			fp->err_rx_mp_null++;
4284 			if (mpf != NULL)
4285 				m_freem(mpf);
4286 			mpf = mpl = NULL;
4287 			rxq->tpa_info[agg_index].agg_state =
4288 						QLNX_AGG_STATE_ERROR;
4289 			ecore_chain_consume(&rxq->rx_bd_ring);
4290 			rxq->sw_rx_cons =
4291 				(rxq->sw_rx_cons + 1) & (RX_RING_SIZE - 1);
4292 			continue;
4293 		}
4294 
4295 		if (qlnx_alloc_rx_buffer(ha, rxq) != 0) {
4296 			QL_DPRINT7(ha, "[%d]: New buffer allocation failed,"
4297 				" dropping incoming packet and reusing its"
4298 				" buffer\n", fp->rss_id);
4299 
4300 			qlnx_reuse_rx_data(rxq);
4301 
4302 			if (mpf != NULL)
4303 				m_freem(mpf);
4304 			mpf = mpl = NULL;
4305 
4306 			rxq->tpa_info[agg_index].agg_state =
4307 						QLNX_AGG_STATE_ERROR;
4308 
4309 			ecore_chain_consume(&rxq->rx_bd_ring);
4310 			rxq->sw_rx_cons =
4311 				(rxq->sw_rx_cons + 1) & (RX_RING_SIZE - 1);
4312 
4313 			continue;
4314 		}
4315 
4316 		mpc->m_flags &= ~M_PKTHDR;
4317 		mpc->m_next = NULL;
4318 		mpc->m_len = cqe->len_list[i];
4319 
4320 		if (mpf == NULL) {
4321 			mpf = mpl = mpc;
4322 		} else {
4323 			mpl->m_len = ha->rx_buf_size;
4324 			mpl->m_next = mpc;
4325 			mpl = mpc;
4326 		}
4327 
4328 		ecore_chain_consume(&rxq->rx_bd_ring);
4329 		rxq->sw_rx_cons =
4330 			(rxq->sw_rx_cons + 1) & (RX_RING_SIZE - 1);
4331 	}
4332 
4333         QL_DPRINT7(ha, "[%d]: 2\n" "\tmpf = %p mpl = %p\n",
4334                   fp->rss_id, mpf, mpl);
4335 
4336 	if (mpf != NULL) {
4337 		mp = rxq->tpa_info[agg_index].mpl;
4338 		mp->m_len = ha->rx_buf_size;
4339 		mp->m_next = mpf;
4340 		rxq->tpa_info[agg_index].mpl = mpl;
4341 	}
4342 
4343 	return;
4344 }
4345 
4346 static int
qlnx_tpa_end(qlnx_host_t * ha,struct qlnx_fastpath * fp,struct qlnx_rx_queue * rxq,struct eth_fast_path_rx_tpa_end_cqe * cqe)4347 qlnx_tpa_end(qlnx_host_t *ha, struct qlnx_fastpath *fp,
4348 	struct qlnx_rx_queue *rxq,
4349 	struct eth_fast_path_rx_tpa_end_cqe *cqe)
4350 {
4351 	struct sw_rx_data	*sw_rx_data;
4352 	int			i;
4353 	struct mbuf		*mpf = NULL, *mpl = NULL, *mpc = NULL;
4354 	struct mbuf		*mp;
4355 	uint32_t		agg_index;
4356 	uint32_t		len = 0;
4357         if_t ifp = ha->ifp;
4358 
4359         QL_DPRINT7(ha, "[%d]: enter\n \
4360                 \t type = 0x%x\n \
4361                 \t tpa_agg_index = 0x%x\n \
4362                 \t total_packet_len = 0x%x\n \
4363                 \t num_of_bds = 0x%x\n \
4364                 \t end_reason = 0x%x\n \
4365                 \t num_of_coalesced_segs = 0x%x\n \
4366                 \t ts_delta = 0x%x\n \
4367                 \t len_list[0] = 0x%x\n \
4368                 \t len_list[1] = 0x%x\n \
4369                 \t len_list[2] = 0x%x\n \
4370                 \t len_list[3] = 0x%x\n",
4371                  fp->rss_id, cqe->type, cqe->tpa_agg_index,
4372                 cqe->total_packet_len, cqe->num_of_bds,
4373                 cqe->end_reason, cqe->num_of_coalesced_segs, cqe->ts_delta,
4374                 cqe->len_list[0], cqe->len_list[1], cqe->len_list[2],
4375                 cqe->len_list[3]);
4376 
4377 	agg_index = cqe->tpa_agg_index;
4378 
4379 	if (agg_index >= ETH_TPA_MAX_AGGS_NUM) {
4380 		QL_DPRINT7(ha, "[%d]: 0\n ", fp->rss_id);
4381 
4382 		fp->err_rx_tpa_invalid_agg_num++;
4383 		return (0);
4384 	}
4385 
4386 	for (i = 0; i < ETH_TPA_CQE_END_LEN_LIST_SIZE; i++) {
4387 		QL_DPRINT7(ha, "[%d]: 1\n ", fp->rss_id);
4388 
4389 		if (cqe->len_list[i] == 0)
4390 			break;
4391 
4392 		if (rxq->tpa_info[agg_index].agg_state !=
4393 			QLNX_AGG_STATE_START) {
4394 			QL_DPRINT7(ha, "[%d]: 2\n ", fp->rss_id);
4395 
4396 			qlnx_reuse_rx_data(rxq);
4397 			continue;
4398 		}
4399 
4400 		sw_rx_data = &rxq->sw_rx_ring[rxq->sw_rx_cons];
4401 		bus_dmamap_sync(ha->rx_tag, sw_rx_data->map,
4402 			BUS_DMASYNC_POSTREAD);
4403 
4404 		mpc = sw_rx_data->data;
4405 
4406 		if (mpc == NULL) {
4407 			QL_DPRINT7(ha, "[%d]: mpc = NULL\n", fp->rss_id);
4408 
4409 			fp->err_rx_mp_null++;
4410 			if (mpf != NULL)
4411 				m_freem(mpf);
4412 			mpf = mpl = NULL;
4413 			rxq->tpa_info[agg_index].agg_state =
4414 						QLNX_AGG_STATE_ERROR;
4415 			ecore_chain_consume(&rxq->rx_bd_ring);
4416 			rxq->sw_rx_cons =
4417 				(rxq->sw_rx_cons + 1) & (RX_RING_SIZE - 1);
4418 			continue;
4419 		}
4420 
4421 		if (qlnx_alloc_rx_buffer(ha, rxq) != 0) {
4422 			QL_DPRINT7(ha, "[%d]: New buffer allocation failed,"
4423 				" dropping incoming packet and reusing its"
4424 				" buffer\n", fp->rss_id);
4425 
4426 			qlnx_reuse_rx_data(rxq);
4427 
4428 			if (mpf != NULL)
4429 				m_freem(mpf);
4430 			mpf = mpl = NULL;
4431 
4432 			rxq->tpa_info[agg_index].agg_state =
4433 						QLNX_AGG_STATE_ERROR;
4434 
4435 			ecore_chain_consume(&rxq->rx_bd_ring);
4436 			rxq->sw_rx_cons =
4437 				(rxq->sw_rx_cons + 1) & (RX_RING_SIZE - 1);
4438 
4439 			continue;
4440 		}
4441 
4442 		mpc->m_flags &= ~M_PKTHDR;
4443 		mpc->m_next = NULL;
4444 		mpc->m_len = cqe->len_list[i];
4445 
4446 		if (mpf == NULL) {
4447 			mpf = mpl = mpc;
4448 		} else {
4449 			mpl->m_len = ha->rx_buf_size;
4450 			mpl->m_next = mpc;
4451 			mpl = mpc;
4452 		}
4453 
4454 		ecore_chain_consume(&rxq->rx_bd_ring);
4455 		rxq->sw_rx_cons =
4456 			(rxq->sw_rx_cons + 1) & (RX_RING_SIZE - 1);
4457 	}
4458 
4459 	QL_DPRINT7(ha, "[%d]: 5\n ", fp->rss_id);
4460 
4461 	if (mpf != NULL) {
4462 		QL_DPRINT7(ha, "[%d]: 6\n ", fp->rss_id);
4463 
4464 		mp = rxq->tpa_info[agg_index].mpl;
4465 		mp->m_len = ha->rx_buf_size;
4466 		mp->m_next = mpf;
4467 	}
4468 
4469 	if (rxq->tpa_info[agg_index].agg_state != QLNX_AGG_STATE_START) {
4470 		QL_DPRINT7(ha, "[%d]: 7\n ", fp->rss_id);
4471 
4472 		if (rxq->tpa_info[agg_index].mpf != NULL)
4473 			m_freem(rxq->tpa_info[agg_index].mpf);
4474 		rxq->tpa_info[agg_index].mpf = NULL;
4475 		rxq->tpa_info[agg_index].mpl = NULL;
4476 		rxq->tpa_info[agg_index].agg_state = QLNX_AGG_STATE_NONE;
4477 		return (0);
4478 	}
4479 
4480 	mp = rxq->tpa_info[agg_index].mpf;
4481 	m_adj(mp, rxq->tpa_info[agg_index].placement_offset);
4482 	mp->m_pkthdr.len = cqe->total_packet_len;
4483 
4484 	if (mp->m_next  == NULL)
4485 		mp->m_len = mp->m_pkthdr.len;
4486 	else {
4487 		/* compute the total packet length */
4488 		mpf = mp;
4489 		while (mpf != NULL) {
4490 			len += mpf->m_len;
4491 			mpf = mpf->m_next;
4492 		}
4493 
4494 		if (cqe->total_packet_len > len) {
4495 			mpl = rxq->tpa_info[agg_index].mpl;
4496 			mpl->m_len += (cqe->total_packet_len - len);
4497 		}
4498 	}
4499 
4500 	QLNX_INC_IPACKETS(ifp);
4501 	QLNX_INC_IBYTES(ifp, (cqe->total_packet_len));
4502 
4503         QL_DPRINT7(ha, "[%d]: 8 csum_data = 0x%x csum_flags = 0x%" PRIu64 "\n \
4504 		m_len = 0x%x m_pkthdr_len = 0x%x\n",
4505                 fp->rss_id, mp->m_pkthdr.csum_data,
4506                 (uint64_t)mp->m_pkthdr.csum_flags, mp->m_len, mp->m_pkthdr.len);
4507 
4508 	if_input(ifp, mp);
4509 
4510 	rxq->tpa_info[agg_index].mpf = NULL;
4511 	rxq->tpa_info[agg_index].mpl = NULL;
4512 	rxq->tpa_info[agg_index].agg_state = QLNX_AGG_STATE_NONE;
4513 
4514 	return (cqe->num_of_coalesced_segs);
4515 }
4516 
4517 static int
qlnx_rx_int(qlnx_host_t * ha,struct qlnx_fastpath * fp,int budget,int lro_enable)4518 qlnx_rx_int(qlnx_host_t *ha, struct qlnx_fastpath *fp, int budget,
4519 	int lro_enable)
4520 {
4521         uint16_t		hw_comp_cons, sw_comp_cons;
4522         int			rx_pkt = 0;
4523         struct qlnx_rx_queue	*rxq = fp->rxq;
4524         if_t ifp = ha->ifp;
4525 	struct ecore_dev	*cdev = &ha->cdev;
4526 	struct ecore_hwfn       *p_hwfn;
4527 
4528 #ifdef QLNX_SOFT_LRO
4529 	struct lro_ctrl		*lro;
4530 
4531 	lro = &rxq->lro;
4532 #endif /* #ifdef QLNX_SOFT_LRO */
4533 
4534         hw_comp_cons = le16toh(*rxq->hw_cons_ptr);
4535         sw_comp_cons = ecore_chain_get_cons_idx(&rxq->rx_comp_ring);
4536 
4537 	p_hwfn = &ha->cdev.hwfns[(fp->rss_id % cdev->num_hwfns)];
4538 
4539         /* Memory barrier to prevent the CPU from doing speculative reads of CQE
4540          * / BD in the while-loop before reading hw_comp_cons. If the CQE is
4541          * read before it is written by FW, then FW writes CQE and SB, and then
4542          * the CPU reads the hw_comp_cons, it will use an old CQE.
4543          */
4544 
4545         /* Loop to complete all indicated BDs */
4546         while (sw_comp_cons != hw_comp_cons) {
4547                 union eth_rx_cqe		*cqe;
4548                 struct eth_fast_path_rx_reg_cqe	*fp_cqe;
4549                 struct sw_rx_data		*sw_rx_data;
4550 		register struct mbuf		*mp;
4551                 enum eth_rx_cqe_type		cqe_type;
4552                 uint16_t			len, pad, len_on_first_bd;
4553                 uint8_t				*data;
4554 		uint8_t				hash_type;
4555 
4556                 /* Get the CQE from the completion ring */
4557                 cqe = (union eth_rx_cqe *)
4558                         ecore_chain_consume(&rxq->rx_comp_ring);
4559                 cqe_type = cqe->fast_path_regular.type;
4560 
4561                 if (cqe_type == ETH_RX_CQE_TYPE_SLOW_PATH) {
4562                         QL_DPRINT3(ha, "Got a slowath CQE\n");
4563 
4564                         ecore_eth_cqe_completion(p_hwfn,
4565                                         (struct eth_slow_path_rx_cqe *)cqe);
4566                         goto next_cqe;
4567                 }
4568 
4569 		if (cqe_type != ETH_RX_CQE_TYPE_REGULAR) {
4570 			switch (cqe_type) {
4571 			case ETH_RX_CQE_TYPE_TPA_START:
4572 				qlnx_tpa_start(ha, fp, rxq,
4573 					&cqe->fast_path_tpa_start);
4574 				fp->tpa_start++;
4575 				break;
4576 
4577 			case ETH_RX_CQE_TYPE_TPA_CONT:
4578 				qlnx_tpa_cont(ha, fp, rxq,
4579 					&cqe->fast_path_tpa_cont);
4580 				fp->tpa_cont++;
4581 				break;
4582 
4583 			case ETH_RX_CQE_TYPE_TPA_END:
4584 				rx_pkt += qlnx_tpa_end(ha, fp, rxq,
4585 						&cqe->fast_path_tpa_end);
4586 				fp->tpa_end++;
4587 				break;
4588 
4589 			default:
4590 				break;
4591 			}
4592 
4593                         goto next_cqe;
4594 		}
4595 
4596                 /* Get the data from the SW ring */
4597                 sw_rx_data = &rxq->sw_rx_ring[rxq->sw_rx_cons];
4598                 mp = sw_rx_data->data;
4599 
4600 		if (mp == NULL) {
4601                 	QL_DPRINT1(ha, "mp = NULL\n");
4602 			fp->err_rx_mp_null++;
4603         		rxq->sw_rx_cons  =
4604 				(rxq->sw_rx_cons + 1) & (RX_RING_SIZE - 1);
4605 			goto next_cqe;
4606 		}
4607 		bus_dmamap_sync(ha->rx_tag, sw_rx_data->map,
4608 			BUS_DMASYNC_POSTREAD);
4609 
4610                 /* non GRO */
4611                 fp_cqe = &cqe->fast_path_regular;/* MK CR TPA check assembly */
4612                 len =  le16toh(fp_cqe->pkt_len);
4613                 pad = fp_cqe->placement_offset;
4614 #if 0
4615 		QL_DPRINT3(ha, "CQE type = %x, flags = %x, vlan = %x,"
4616 			" len %u, parsing flags = %d pad  = %d\n",
4617 			cqe_type, fp_cqe->bitfields,
4618 			le16toh(fp_cqe->vlan_tag),
4619 			len, le16toh(fp_cqe->pars_flags.flags), pad);
4620 #endif
4621 		data = mtod(mp, uint8_t *);
4622 		data = data + pad;
4623 
4624 		if (0)
4625 			qlnx_dump_buf8(ha, __func__, data, len);
4626 
4627                 /* For every Rx BD consumed, we allocate a new BD so the BD ring
4628                  * is always with a fixed size. If allocation fails, we take the
4629                  * consumed BD and return it to the ring in the PROD position.
4630                  * The packet that was received on that BD will be dropped (and
4631                  * not passed to the upper stack).
4632                  */
4633 		/* If this is an error packet then drop it */
4634 		if ((le16toh(cqe->fast_path_regular.pars_flags.flags)) &
4635 			CQE_FLAGS_ERR) {
4636 			QL_DPRINT1(ha, "CQE in CONS = %u has error, flags = %x,"
4637 				" dropping incoming packet\n", sw_comp_cons,
4638 			le16toh(cqe->fast_path_regular.pars_flags.flags));
4639 			fp->err_rx_hw_errors++;
4640 
4641                         qlnx_reuse_rx_data(rxq);
4642 
4643 			QLNX_INC_IERRORS(ifp);
4644 
4645 			goto next_cqe;
4646 		}
4647 
4648                 if (qlnx_alloc_rx_buffer(ha, rxq) != 0) {
4649                         QL_DPRINT1(ha, "New buffer allocation failed, dropping"
4650 				" incoming packet and reusing its buffer\n");
4651                         qlnx_reuse_rx_data(rxq);
4652 
4653                         fp->err_rx_alloc_errors++;
4654 
4655 			QLNX_INC_IQDROPS(ifp);
4656 
4657                         goto next_cqe;
4658                 }
4659 
4660                 ecore_chain_consume(&rxq->rx_bd_ring);
4661 
4662 		len_on_first_bd = fp_cqe->len_on_first_bd;
4663 		m_adj(mp, pad);
4664 		mp->m_pkthdr.len = len;
4665 
4666 		if ((len > 60 ) && (len > len_on_first_bd)) {
4667 			mp->m_len = len_on_first_bd;
4668 
4669 			if (qlnx_rx_jumbo_chain(ha, fp, mp,
4670 				(len - len_on_first_bd)) != 0) {
4671 				m_freem(mp);
4672 
4673 				QLNX_INC_IQDROPS(ifp);
4674 
4675                         	goto next_cqe;
4676 			}
4677 
4678 		} else if (len_on_first_bd < len) {
4679 			fp->err_rx_jumbo_chain_pkts++;
4680 		} else {
4681 			mp->m_len = len;
4682 		}
4683 
4684 		mp->m_flags |= M_PKTHDR;
4685 
4686 		/* assign packet to this interface interface */
4687 		mp->m_pkthdr.rcvif = ifp;
4688 
4689 		/* assume no hardware checksum has complated */
4690 		mp->m_pkthdr.csum_flags = 0;
4691 
4692 		mp->m_pkthdr.flowid = fp_cqe->rss_hash;
4693 
4694 		hash_type = fp_cqe->bitfields &
4695 				(ETH_FAST_PATH_RX_REG_CQE_RSS_HASH_TYPE_MASK <<
4696 				ETH_FAST_PATH_RX_REG_CQE_RSS_HASH_TYPE_SHIFT);
4697 
4698 		switch (hash_type) {
4699 		case RSS_HASH_TYPE_IPV4:
4700 			M_HASHTYPE_SET(mp, M_HASHTYPE_RSS_IPV4);
4701 			break;
4702 
4703 		case RSS_HASH_TYPE_TCP_IPV4:
4704 			M_HASHTYPE_SET(mp, M_HASHTYPE_RSS_TCP_IPV4);
4705 			break;
4706 
4707 		case RSS_HASH_TYPE_IPV6:
4708 			M_HASHTYPE_SET(mp, M_HASHTYPE_RSS_IPV6);
4709 			break;
4710 
4711 		case RSS_HASH_TYPE_TCP_IPV6:
4712 			M_HASHTYPE_SET(mp, M_HASHTYPE_RSS_TCP_IPV6);
4713 			break;
4714 
4715 		default:
4716 			M_HASHTYPE_SET(mp, M_HASHTYPE_OPAQUE);
4717 			break;
4718 		}
4719 
4720 		if (CQE_L3_PACKET(fp_cqe->pars_flags.flags)) {
4721 			mp->m_pkthdr.csum_flags |= CSUM_IP_CHECKED;
4722 		}
4723 
4724 		if (!(CQE_IP_HDR_ERR(fp_cqe->pars_flags.flags))) {
4725 			mp->m_pkthdr.csum_flags |= CSUM_IP_VALID;
4726 		}
4727 
4728 		if (CQE_L4_HAS_CSUM(fp_cqe->pars_flags.flags)) {
4729 			mp->m_pkthdr.csum_data = 0xFFFF;
4730 			mp->m_pkthdr.csum_flags |=
4731 				(CSUM_DATA_VALID | CSUM_PSEUDO_HDR);
4732 		}
4733 
4734 		if (CQE_HAS_VLAN(fp_cqe->pars_flags.flags)) {
4735 			mp->m_pkthdr.ether_vtag = le16toh(fp_cqe->vlan_tag);
4736 			mp->m_flags |= M_VLANTAG;
4737 		}
4738 
4739 		QLNX_INC_IPACKETS(ifp);
4740 		QLNX_INC_IBYTES(ifp, len);
4741 
4742 #ifdef QLNX_SOFT_LRO
4743 		if (lro_enable)
4744 			tcp_lro_queue_mbuf(lro, mp);
4745 		else
4746 			if_input(ifp, mp);
4747 #else
4748 
4749 		if_input(ifp, mp);
4750 
4751 #endif /* #ifdef QLNX_SOFT_LRO */
4752 
4753                 rx_pkt++;
4754 
4755         	rxq->sw_rx_cons  = (rxq->sw_rx_cons + 1) & (RX_RING_SIZE - 1);
4756 
4757 next_cqe:	/* don't consume bd rx buffer */
4758                 ecore_chain_recycle_consumed(&rxq->rx_comp_ring);
4759                 sw_comp_cons = ecore_chain_get_cons_idx(&rxq->rx_comp_ring);
4760 
4761 		/* CR TPA - revisit how to handle budget in TPA perhaps
4762 		   increase on "end" */
4763                 if (rx_pkt == budget)
4764                         break;
4765         } /* repeat while sw_comp_cons != hw_comp_cons... */
4766 
4767         /* Update producers */
4768         qlnx_update_rx_prod(p_hwfn, rxq);
4769 
4770         return rx_pkt;
4771 }
4772 
4773 /*
4774  * fast path interrupt
4775  */
4776 
4777 static void
qlnx_fp_isr(void * arg)4778 qlnx_fp_isr(void *arg)
4779 {
4780         qlnx_ivec_t		*ivec = arg;
4781         qlnx_host_t		*ha;
4782         struct qlnx_fastpath	*fp = NULL;
4783         int			idx;
4784 
4785         ha = ivec->ha;
4786 
4787         if (ha->state != QLNX_STATE_OPEN) {
4788                 return;
4789         }
4790 
4791         idx = ivec->rss_idx;
4792 
4793         if ((idx = ivec->rss_idx) >= ha->num_rss) {
4794                 QL_DPRINT1(ha, "illegal interrupt[%d]\n", idx);
4795                 ha->err_illegal_intr++;
4796                 return;
4797         }
4798         fp = &ha->fp_array[idx];
4799 
4800         if (fp == NULL) {
4801                 ha->err_fp_null++;
4802         } else {
4803 		int			rx_int = 0;
4804 #ifdef QLNX_SOFT_LRO
4805 		int			total_rx_count = 0;
4806 #endif
4807 		int 			lro_enable, tc;
4808 		struct qlnx_tx_queue	*txq;
4809 		uint16_t		elem_left;
4810 
4811 		lro_enable = if_getcapenable(ha->ifp) & IFCAP_LRO;
4812 
4813                 ecore_sb_ack(fp->sb_info, IGU_INT_DISABLE, 0);
4814 
4815                 do {
4816                         for (tc = 0; tc < ha->num_tc; tc++) {
4817 				txq = fp->txq[tc];
4818 
4819 				if((int)(elem_left =
4820 					ecore_chain_get_elem_left(&txq->tx_pbl)) <
4821 						QLNX_TX_ELEM_THRESH)  {
4822                                 	if (mtx_trylock(&fp->tx_mtx)) {
4823 #ifdef QLNX_TRACE_PERF_DATA
4824 						tx_compl = fp->tx_pkts_completed;
4825 #endif
4826 
4827 						qlnx_tx_int(ha, fp, fp->txq[tc]);
4828 #ifdef QLNX_TRACE_PERF_DATA
4829 						fp->tx_pkts_compl_intr +=
4830 							(fp->tx_pkts_completed - tx_compl);
4831 						if ((fp->tx_pkts_completed - tx_compl) <= 32)
4832 							fp->tx_comInt[0]++;
4833 						else if (((fp->tx_pkts_completed - tx_compl) > 32) &&
4834 							((fp->tx_pkts_completed - tx_compl) <= 64))
4835 							fp->tx_comInt[1]++;
4836 						else if(((fp->tx_pkts_completed - tx_compl) > 64) &&
4837 							((fp->tx_pkts_completed - tx_compl) <= 128))
4838 							fp->tx_comInt[2]++;
4839 						else if(((fp->tx_pkts_completed - tx_compl) > 128))
4840 							fp->tx_comInt[3]++;
4841 #endif
4842 						mtx_unlock(&fp->tx_mtx);
4843 					}
4844 				}
4845                         }
4846 
4847                         rx_int = qlnx_rx_int(ha, fp, ha->rx_pkt_threshold,
4848                                         lro_enable);
4849 
4850                         if (rx_int) {
4851                                 fp->rx_pkts += rx_int;
4852 #ifdef QLNX_SOFT_LRO
4853                                 total_rx_count += rx_int;
4854 #endif
4855                         }
4856 
4857                 } while (rx_int);
4858 
4859 #ifdef QLNX_SOFT_LRO
4860                 {
4861                         struct lro_ctrl *lro;
4862 
4863                         lro = &fp->rxq->lro;
4864 
4865                         if (lro_enable && total_rx_count) {
4866 
4867 #ifdef QLNX_TRACE_LRO_CNT
4868                                 if (lro->lro_mbuf_count & ~1023)
4869                                         fp->lro_cnt_1024++;
4870                                 else if (lro->lro_mbuf_count & ~511)
4871                                         fp->lro_cnt_512++;
4872                                 else if (lro->lro_mbuf_count & ~255)
4873                                         fp->lro_cnt_256++;
4874                                 else if (lro->lro_mbuf_count & ~127)
4875                                         fp->lro_cnt_128++;
4876                                 else if (lro->lro_mbuf_count & ~63)
4877                                         fp->lro_cnt_64++;
4878 #endif /* #ifdef QLNX_TRACE_LRO_CNT */
4879 
4880                                 tcp_lro_flush_all(lro);
4881                         }
4882                 }
4883 #endif /* #ifdef QLNX_SOFT_LRO */
4884 
4885                 ecore_sb_update_sb_idx(fp->sb_info);
4886                 rmb();
4887                 ecore_sb_ack(fp->sb_info, IGU_INT_ENABLE, 1);
4888         }
4889 
4890         return;
4891 }
4892 
4893 /*
4894  * slow path interrupt processing function
4895  * can be invoked in polled mode or in interrupt mode via taskqueue.
4896  */
4897 void
qlnx_sp_isr(void * arg)4898 qlnx_sp_isr(void *arg)
4899 {
4900 	struct ecore_hwfn	*p_hwfn;
4901 	qlnx_host_t		*ha;
4902 
4903 	p_hwfn = arg;
4904 
4905 	ha = (qlnx_host_t *)p_hwfn->p_dev;
4906 
4907 	ha->sp_interrupts++;
4908 
4909 	QL_DPRINT2(ha, "enter\n");
4910 
4911 	ecore_int_sp_dpc(p_hwfn);
4912 
4913 	QL_DPRINT2(ha, "exit\n");
4914 
4915 	return;
4916 }
4917 
4918 /*****************************************************************************
4919  * Support Functions for DMA'able Memory
4920  *****************************************************************************/
4921 
4922 static void
qlnx_dmamap_callback(void * arg,bus_dma_segment_t * segs,int nsegs,int error)4923 qlnx_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
4924 {
4925         *((bus_addr_t *)arg) = 0;
4926 
4927         if (error) {
4928                 printf("%s: bus_dmamap_load failed (%d)\n", __func__, error);
4929                 return;
4930         }
4931 
4932         *((bus_addr_t *)arg) = segs[0].ds_addr;
4933 
4934         return;
4935 }
4936 
4937 static int
qlnx_alloc_dmabuf(qlnx_host_t * ha,qlnx_dma_t * dma_buf)4938 qlnx_alloc_dmabuf(qlnx_host_t *ha, qlnx_dma_t *dma_buf)
4939 {
4940         int             ret = 0;
4941         bus_addr_t      b_addr;
4942 
4943         ret = bus_dma_tag_create(
4944                         ha->parent_tag,/* parent */
4945                         dma_buf->alignment,
4946                         ((bus_size_t)(1ULL << 32)),/* boundary */
4947                         BUS_SPACE_MAXADDR,      /* lowaddr */
4948                         BUS_SPACE_MAXADDR,      /* highaddr */
4949                         NULL, NULL,             /* filter, filterarg */
4950                         dma_buf->size,          /* maxsize */
4951                         1,                      /* nsegments */
4952                         dma_buf->size,          /* maxsegsize */
4953                         0,                      /* flags */
4954                         NULL, NULL,             /* lockfunc, lockarg */
4955                         &dma_buf->dma_tag);
4956 
4957         if (ret) {
4958                 QL_DPRINT1(ha, "could not create dma tag\n");
4959                 goto qlnx_alloc_dmabuf_exit;
4960         }
4961         ret = bus_dmamem_alloc(dma_buf->dma_tag,
4962                         (void **)&dma_buf->dma_b,
4963                         (BUS_DMA_ZERO | BUS_DMA_COHERENT | BUS_DMA_NOWAIT),
4964                         &dma_buf->dma_map);
4965         if (ret) {
4966                 bus_dma_tag_destroy(dma_buf->dma_tag);
4967                 QL_DPRINT1(ha, "bus_dmamem_alloc failed\n");
4968                 goto qlnx_alloc_dmabuf_exit;
4969         }
4970 
4971         ret = bus_dmamap_load(dma_buf->dma_tag,
4972                         dma_buf->dma_map,
4973                         dma_buf->dma_b,
4974                         dma_buf->size,
4975                         qlnx_dmamap_callback,
4976                         &b_addr, BUS_DMA_NOWAIT);
4977 
4978         if (ret || !b_addr) {
4979                 bus_dma_tag_destroy(dma_buf->dma_tag);
4980                 bus_dmamem_free(dma_buf->dma_tag, dma_buf->dma_b,
4981                         dma_buf->dma_map);
4982                 ret = -1;
4983                 goto qlnx_alloc_dmabuf_exit;
4984         }
4985 
4986         dma_buf->dma_addr = b_addr;
4987 
4988 qlnx_alloc_dmabuf_exit:
4989 
4990         return ret;
4991 }
4992 
4993 static void
qlnx_free_dmabuf(qlnx_host_t * ha,qlnx_dma_t * dma_buf)4994 qlnx_free_dmabuf(qlnx_host_t *ha, qlnx_dma_t *dma_buf)
4995 {
4996 	bus_dmamap_unload(dma_buf->dma_tag, dma_buf->dma_map);
4997         bus_dmamem_free(dma_buf->dma_tag, dma_buf->dma_b, dma_buf->dma_map);
4998         bus_dma_tag_destroy(dma_buf->dma_tag);
4999 	return;
5000 }
5001 
5002 void *
qlnx_dma_alloc_coherent(void * ecore_dev,bus_addr_t * phys,uint32_t size)5003 qlnx_dma_alloc_coherent(void *ecore_dev, bus_addr_t *phys, uint32_t size)
5004 {
5005 	qlnx_dma_t	dma_buf;
5006 	qlnx_dma_t	*dma_p;
5007 	qlnx_host_t	*ha __unused;
5008 
5009 	ha = (qlnx_host_t *)ecore_dev;
5010 
5011 	size = (size + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
5012 
5013 	memset(&dma_buf, 0, sizeof (qlnx_dma_t));
5014 
5015 	dma_buf.size = size + PAGE_SIZE;
5016 	dma_buf.alignment = 8;
5017 
5018 	if (qlnx_alloc_dmabuf((qlnx_host_t *)ecore_dev, &dma_buf) != 0)
5019 		return (NULL);
5020 	bzero((uint8_t *)dma_buf.dma_b, dma_buf.size);
5021 
5022 	*phys = dma_buf.dma_addr;
5023 
5024 	dma_p = (qlnx_dma_t *)((uint8_t *)dma_buf.dma_b + size);
5025 
5026 	memcpy(dma_p, &dma_buf, sizeof(qlnx_dma_t));
5027 
5028 	QL_DPRINT5(ha, "[%p %p %p %p 0x%08x ]\n",
5029 		(void *)dma_buf.dma_map, (void *)dma_buf.dma_tag,
5030 		dma_buf.dma_b, (void *)dma_buf.dma_addr, size);
5031 
5032 	return (dma_buf.dma_b);
5033 }
5034 
5035 void
qlnx_dma_free_coherent(void * ecore_dev,void * v_addr,bus_addr_t phys,uint32_t size)5036 qlnx_dma_free_coherent(void *ecore_dev, void *v_addr, bus_addr_t phys,
5037 	uint32_t size)
5038 {
5039 	qlnx_dma_t dma_buf, *dma_p;
5040 	qlnx_host_t	*ha;
5041 
5042 	ha = (qlnx_host_t *)ecore_dev;
5043 
5044 	if (v_addr == NULL)
5045 		return;
5046 
5047 	size = (size + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
5048 
5049 	dma_p = (qlnx_dma_t *)((uint8_t *)v_addr + size);
5050 
5051 	QL_DPRINT5(ha, "[%p %p %p %p 0x%08x ]\n",
5052 		(void *)dma_p->dma_map, (void *)dma_p->dma_tag,
5053 		dma_p->dma_b, (void *)dma_p->dma_addr, size);
5054 
5055 	dma_buf = *dma_p;
5056 
5057 	if (!ha->qlnxr_debug)
5058 	qlnx_free_dmabuf((qlnx_host_t *)ecore_dev, &dma_buf);
5059 	return;
5060 }
5061 
5062 static int
qlnx_alloc_parent_dma_tag(qlnx_host_t * ha)5063 qlnx_alloc_parent_dma_tag(qlnx_host_t *ha)
5064 {
5065         int             ret;
5066         device_t        dev;
5067 
5068         dev = ha->pci_dev;
5069 
5070         /*
5071          * Allocate parent DMA Tag
5072          */
5073         ret = bus_dma_tag_create(
5074                         bus_get_dma_tag(dev),   /* parent */
5075                         1,((bus_size_t)(1ULL << 32)),/* alignment, boundary */
5076                         BUS_SPACE_MAXADDR,      /* lowaddr */
5077                         BUS_SPACE_MAXADDR,      /* highaddr */
5078                         NULL, NULL,             /* filter, filterarg */
5079                         BUS_SPACE_MAXSIZE_32BIT,/* maxsize */
5080                         0,                      /* nsegments */
5081                         BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
5082                         0,                      /* flags */
5083                         NULL, NULL,             /* lockfunc, lockarg */
5084                         &ha->parent_tag);
5085 
5086         if (ret) {
5087                 QL_DPRINT1(ha, "could not create parent dma tag\n");
5088                 return (-1);
5089         }
5090 
5091         ha->flags.parent_tag = 1;
5092 
5093         return (0);
5094 }
5095 
5096 static void
qlnx_free_parent_dma_tag(qlnx_host_t * ha)5097 qlnx_free_parent_dma_tag(qlnx_host_t *ha)
5098 {
5099         if (ha->parent_tag != NULL) {
5100                 bus_dma_tag_destroy(ha->parent_tag);
5101 		ha->parent_tag = NULL;
5102         }
5103 	return;
5104 }
5105 
5106 static int
qlnx_alloc_tx_dma_tag(qlnx_host_t * ha)5107 qlnx_alloc_tx_dma_tag(qlnx_host_t *ha)
5108 {
5109         if (bus_dma_tag_create(NULL,    /* parent */
5110                 1, 0,    /* alignment, bounds */
5111                 BUS_SPACE_MAXADDR,       /* lowaddr */
5112                 BUS_SPACE_MAXADDR,       /* highaddr */
5113                 NULL, NULL,      /* filter, filterarg */
5114                 QLNX_MAX_TSO_FRAME_SIZE,     /* maxsize */
5115                 QLNX_MAX_SEGMENTS,        /* nsegments */
5116                 QLNX_MAX_TX_MBUF_SIZE,	  /* maxsegsize */
5117                 0,        /* flags */
5118                 NULL,    /* lockfunc */
5119                 NULL,    /* lockfuncarg */
5120                 &ha->tx_tag)) {
5121                 QL_DPRINT1(ha, "tx_tag alloc failed\n");
5122                 return (-1);
5123         }
5124 
5125 	return (0);
5126 }
5127 
5128 static void
qlnx_free_tx_dma_tag(qlnx_host_t * ha)5129 qlnx_free_tx_dma_tag(qlnx_host_t *ha)
5130 {
5131         if (ha->tx_tag != NULL) {
5132                 bus_dma_tag_destroy(ha->tx_tag);
5133 		ha->tx_tag = NULL;
5134         }
5135 	return;
5136 }
5137 
5138 static int
qlnx_alloc_rx_dma_tag(qlnx_host_t * ha)5139 qlnx_alloc_rx_dma_tag(qlnx_host_t *ha)
5140 {
5141         if (bus_dma_tag_create(NULL,    /* parent */
5142                         1, 0,    /* alignment, bounds */
5143                         BUS_SPACE_MAXADDR,       /* lowaddr */
5144                         BUS_SPACE_MAXADDR,       /* highaddr */
5145                         NULL, NULL,      /* filter, filterarg */
5146                         MJUM9BYTES,     /* maxsize */
5147                         1,        /* nsegments */
5148                         MJUM9BYTES,        /* maxsegsize */
5149                         0,        /* flags */
5150                         NULL,    /* lockfunc */
5151                         NULL,    /* lockfuncarg */
5152                         &ha->rx_tag)) {
5153                 QL_DPRINT1(ha, " rx_tag alloc failed\n");
5154 
5155                 return (-1);
5156         }
5157 	return (0);
5158 }
5159 
5160 static void
qlnx_free_rx_dma_tag(qlnx_host_t * ha)5161 qlnx_free_rx_dma_tag(qlnx_host_t *ha)
5162 {
5163         if (ha->rx_tag != NULL) {
5164                 bus_dma_tag_destroy(ha->rx_tag);
5165 		ha->rx_tag = NULL;
5166         }
5167 	return;
5168 }
5169 
5170 /*********************************
5171  * Exported functions
5172  *********************************/
5173 uint32_t
qlnx_pci_bus_get_bar_size(void * ecore_dev,uint8_t bar_id)5174 qlnx_pci_bus_get_bar_size(void *ecore_dev, uint8_t bar_id)
5175 {
5176 	uint32_t bar_size;
5177 
5178 	bar_id = bar_id * 2;
5179 
5180 	bar_size = bus_get_resource_count(((qlnx_host_t *)ecore_dev)->pci_dev,
5181 				SYS_RES_MEMORY,
5182 				PCIR_BAR(bar_id));
5183 
5184 	return (bar_size);
5185 }
5186 
5187 uint32_t
qlnx_pci_read_config_byte(void * ecore_dev,uint32_t pci_reg,uint8_t * reg_value)5188 qlnx_pci_read_config_byte(void *ecore_dev, uint32_t pci_reg, uint8_t *reg_value)
5189 {
5190 	*reg_value = pci_read_config(((qlnx_host_t *)ecore_dev)->pci_dev,
5191 				pci_reg, 1);
5192 	return 0;
5193 }
5194 
5195 uint32_t
qlnx_pci_read_config_word(void * ecore_dev,uint32_t pci_reg,uint16_t * reg_value)5196 qlnx_pci_read_config_word(void *ecore_dev, uint32_t pci_reg,
5197 	uint16_t *reg_value)
5198 {
5199 	*reg_value = pci_read_config(((qlnx_host_t *)ecore_dev)->pci_dev,
5200 				pci_reg, 2);
5201 	return 0;
5202 }
5203 
5204 uint32_t
qlnx_pci_read_config_dword(void * ecore_dev,uint32_t pci_reg,uint32_t * reg_value)5205 qlnx_pci_read_config_dword(void *ecore_dev, uint32_t pci_reg,
5206 	uint32_t *reg_value)
5207 {
5208 	*reg_value = pci_read_config(((qlnx_host_t *)ecore_dev)->pci_dev,
5209 				pci_reg, 4);
5210 	return 0;
5211 }
5212 
5213 void
qlnx_pci_write_config_byte(void * ecore_dev,uint32_t pci_reg,uint8_t reg_value)5214 qlnx_pci_write_config_byte(void *ecore_dev, uint32_t pci_reg, uint8_t reg_value)
5215 {
5216 	pci_write_config(((qlnx_host_t *)ecore_dev)->pci_dev,
5217 		pci_reg, reg_value, 1);
5218 	return;
5219 }
5220 
5221 void
qlnx_pci_write_config_word(void * ecore_dev,uint32_t pci_reg,uint16_t reg_value)5222 qlnx_pci_write_config_word(void *ecore_dev, uint32_t pci_reg,
5223 	uint16_t reg_value)
5224 {
5225 	pci_write_config(((qlnx_host_t *)ecore_dev)->pci_dev,
5226 		pci_reg, reg_value, 2);
5227 	return;
5228 }
5229 
5230 void
qlnx_pci_write_config_dword(void * ecore_dev,uint32_t pci_reg,uint32_t reg_value)5231 qlnx_pci_write_config_dword(void *ecore_dev, uint32_t pci_reg,
5232 	uint32_t reg_value)
5233 {
5234 	pci_write_config(((qlnx_host_t *)ecore_dev)->pci_dev,
5235 		pci_reg, reg_value, 4);
5236 	return;
5237 }
5238 
5239 int
qlnx_pci_find_capability(void * ecore_dev,int cap)5240 qlnx_pci_find_capability(void *ecore_dev, int cap)
5241 {
5242 	int		reg;
5243 	qlnx_host_t	*ha;
5244 
5245 	ha = ecore_dev;
5246 
5247 	if (pci_find_cap(ha->pci_dev, PCIY_EXPRESS, &reg) == 0)
5248 		return reg;
5249 	else {
5250 		QL_DPRINT1(ha, "failed\n");
5251 		return 0;
5252 	}
5253 }
5254 
5255 int
qlnx_pci_find_ext_capability(void * ecore_dev,int ext_cap)5256 qlnx_pci_find_ext_capability(void *ecore_dev, int ext_cap)
5257 {
5258 	int		reg;
5259 	qlnx_host_t	*ha;
5260 
5261 	ha = ecore_dev;
5262 
5263 	if (pci_find_extcap(ha->pci_dev, ext_cap, &reg) == 0)
5264 		return reg;
5265 	else {
5266 		QL_DPRINT1(ha, "failed\n");
5267 		return 0;
5268 	}
5269 }
5270 
5271 uint32_t
qlnx_reg_rd32(void * hwfn,uint32_t reg_addr)5272 qlnx_reg_rd32(void *hwfn, uint32_t reg_addr)
5273 {
5274 	uint32_t		data32;
5275 	struct ecore_hwfn	*p_hwfn;
5276 
5277 	p_hwfn = hwfn;
5278 
5279 	data32 = bus_read_4(((qlnx_host_t *)p_hwfn->p_dev)->pci_reg, \
5280 			(bus_size_t)(p_hwfn->reg_offset + reg_addr));
5281 
5282 	return (data32);
5283 }
5284 
5285 void
qlnx_reg_wr32(void * hwfn,uint32_t reg_addr,uint32_t value)5286 qlnx_reg_wr32(void *hwfn, uint32_t reg_addr, uint32_t value)
5287 {
5288 	struct ecore_hwfn	*p_hwfn = hwfn;
5289 
5290 	bus_write_4(((qlnx_host_t *)p_hwfn->p_dev)->pci_reg, \
5291 		(bus_size_t)(p_hwfn->reg_offset + reg_addr), value);
5292 
5293 	return;
5294 }
5295 
5296 void
qlnx_reg_wr16(void * hwfn,uint32_t reg_addr,uint16_t value)5297 qlnx_reg_wr16(void *hwfn, uint32_t reg_addr, uint16_t value)
5298 {
5299 	struct ecore_hwfn	*p_hwfn = hwfn;
5300 
5301 	bus_write_2(((qlnx_host_t *)p_hwfn->p_dev)->pci_reg, \
5302 		(bus_size_t)(p_hwfn->reg_offset + reg_addr), value);
5303 	return;
5304 }
5305 
5306 void
qlnx_dbell_wr32_db(void * hwfn,void * reg_addr,uint32_t value)5307 qlnx_dbell_wr32_db(void *hwfn, void *reg_addr, uint32_t value)
5308 {
5309 	struct ecore_dev	*cdev;
5310 	struct ecore_hwfn	*p_hwfn;
5311 	uint32_t	offset;
5312 
5313 	p_hwfn = hwfn;
5314 
5315 	cdev = p_hwfn->p_dev;
5316 
5317 	offset = (uint32_t)((uint8_t *)reg_addr - (uint8_t *)(p_hwfn->doorbells));
5318 	bus_write_4(((qlnx_host_t *)cdev)->pci_dbells, offset, value);
5319 
5320 	return;
5321 }
5322 
5323 void
qlnx_dbell_wr32(void * hwfn,uint32_t reg_addr,uint32_t value)5324 qlnx_dbell_wr32(void *hwfn, uint32_t reg_addr, uint32_t value)
5325 {
5326 	struct ecore_hwfn	*p_hwfn = hwfn;
5327 
5328 	bus_write_4(((qlnx_host_t *)p_hwfn->p_dev)->pci_dbells, \
5329 		(bus_size_t)(p_hwfn->db_offset + reg_addr), value);
5330 
5331 	return;
5332 }
5333 
5334 uint32_t
qlnx_direct_reg_rd32(void * p_hwfn,uint32_t * reg_addr)5335 qlnx_direct_reg_rd32(void *p_hwfn, uint32_t *reg_addr)
5336 {
5337 	uint32_t		data32;
5338 	bus_size_t		offset;
5339 	struct ecore_dev	*cdev;
5340 
5341 	cdev = ((struct ecore_hwfn *)p_hwfn)->p_dev;
5342 	offset = (bus_size_t)((uint8_t *)reg_addr - (uint8_t *)(cdev->regview));
5343 
5344 	data32 = bus_read_4(((qlnx_host_t *)cdev)->pci_reg, offset);
5345 
5346 	return (data32);
5347 }
5348 
5349 void
qlnx_direct_reg_wr32(void * p_hwfn,void * reg_addr,uint32_t value)5350 qlnx_direct_reg_wr32(void *p_hwfn, void *reg_addr, uint32_t value)
5351 {
5352 	bus_size_t		offset;
5353 	struct ecore_dev	*cdev;
5354 
5355 	cdev = ((struct ecore_hwfn *)p_hwfn)->p_dev;
5356 	offset = (bus_size_t)((uint8_t *)reg_addr - (uint8_t *)(cdev->regview));
5357 
5358 	bus_write_4(((qlnx_host_t *)cdev)->pci_reg, offset, value);
5359 
5360 	return;
5361 }
5362 
5363 void
qlnx_direct_reg_wr64(void * p_hwfn,void * reg_addr,uint64_t value)5364 qlnx_direct_reg_wr64(void *p_hwfn, void *reg_addr, uint64_t value)
5365 {
5366 	bus_size_t		offset;
5367 	struct ecore_dev	*cdev;
5368 
5369 	cdev = ((struct ecore_hwfn *)p_hwfn)->p_dev;
5370 	offset = (bus_size_t)((uint8_t *)reg_addr - (uint8_t *)(cdev->regview));
5371 
5372 	bus_write_8(((qlnx_host_t *)cdev)->pci_reg, offset, value);
5373 	return;
5374 }
5375 
5376 void *
qlnx_zalloc(uint32_t size)5377 qlnx_zalloc(uint32_t size)
5378 {
5379 	caddr_t	va;
5380 
5381 	va = malloc((unsigned long)size, M_QLNXBUF, M_NOWAIT);
5382 	bzero(va, size);
5383 	return ((void *)va);
5384 }
5385 
5386 void
qlnx_barrier(void * p_dev)5387 qlnx_barrier(void *p_dev)
5388 {
5389 	qlnx_host_t	*ha;
5390 
5391 	ha = ((struct ecore_dev *) p_dev)->ha;
5392 	bus_barrier(ha->pci_reg,  0, 0, BUS_SPACE_BARRIER_WRITE);
5393 }
5394 
5395 void
qlnx_link_update(void * p_hwfn)5396 qlnx_link_update(void *p_hwfn)
5397 {
5398 	qlnx_host_t	*ha;
5399 	int		prev_link_state;
5400 
5401 	ha = (qlnx_host_t *)((struct ecore_hwfn *)p_hwfn)->p_dev;
5402 
5403 	qlnx_fill_link(ha, p_hwfn, &ha->if_link);
5404 
5405 	prev_link_state = ha->link_up;
5406 	ha->link_up = ha->if_link.link_up;
5407 
5408         if (prev_link_state !=  ha->link_up) {
5409                 if (ha->link_up) {
5410                         if_link_state_change(ha->ifp, LINK_STATE_UP);
5411                 } else {
5412                         if_link_state_change(ha->ifp, LINK_STATE_DOWN);
5413                 }
5414         }
5415 #ifndef QLNX_VF
5416 #ifdef CONFIG_ECORE_SRIOV
5417 
5418 	if (qlnx_vf_device(ha) != 0) {
5419 		if (ha->sriov_initialized)
5420 			qlnx_inform_vf_link_state(p_hwfn, ha);
5421 	}
5422 
5423 #endif /* #ifdef CONFIG_ECORE_SRIOV */
5424 #endif /* #ifdef QLNX_VF */
5425 
5426         return;
5427 }
5428 
5429 static void
__qlnx_osal_vf_fill_acquire_resc_req(struct ecore_hwfn * p_hwfn,struct ecore_vf_acquire_sw_info * p_sw_info)5430 __qlnx_osal_vf_fill_acquire_resc_req(struct ecore_hwfn *p_hwfn,
5431 	struct ecore_vf_acquire_sw_info *p_sw_info)
5432 {
5433 	p_sw_info->driver_version = (QLNX_VERSION_MAJOR << 24) |
5434 					(QLNX_VERSION_MINOR << 16) |
5435 					 QLNX_VERSION_BUILD;
5436 	p_sw_info->os_type = VFPF_ACQUIRE_OS_FREEBSD;
5437 
5438 	return;
5439 }
5440 
5441 void
qlnx_osal_vf_fill_acquire_resc_req(void * p_hwfn,void * p_resc_req,void * p_sw_info)5442 qlnx_osal_vf_fill_acquire_resc_req(void *p_hwfn, void *p_resc_req,
5443 	void *p_sw_info)
5444 {
5445 	__qlnx_osal_vf_fill_acquire_resc_req(p_hwfn, p_sw_info);
5446 
5447 	return;
5448 }
5449 
5450 void
qlnx_fill_link(qlnx_host_t * ha,struct ecore_hwfn * hwfn,struct qlnx_link_output * if_link)5451 qlnx_fill_link(qlnx_host_t *ha, struct ecore_hwfn *hwfn,
5452 	struct qlnx_link_output *if_link)
5453 {
5454 	struct ecore_mcp_link_params    link_params;
5455 	struct ecore_mcp_link_state     link_state;
5456 	uint8_t				p_change;
5457 	struct ecore_ptt *p_ptt = NULL;
5458 
5459 	memset(if_link, 0, sizeof(*if_link));
5460 	memset(&link_params, 0, sizeof(struct ecore_mcp_link_params));
5461 	memset(&link_state, 0, sizeof(struct ecore_mcp_link_state));
5462 
5463 	ha = (qlnx_host_t *)hwfn->p_dev;
5464 
5465 	/* Prepare source inputs */
5466 	/* we only deal with physical functions */
5467 	if (qlnx_vf_device(ha) != 0) {
5468         	p_ptt = ecore_ptt_acquire(hwfn);
5469 
5470 	        if (p_ptt == NULL) {
5471 			QL_DPRINT1(ha, "ecore_ptt_acquire failed\n");
5472 			return;
5473 		}
5474 
5475 		ecore_mcp_get_media_type(hwfn, p_ptt, &if_link->media_type);
5476 		ecore_ptt_release(hwfn, p_ptt);
5477 
5478 		memcpy(&link_params, ecore_mcp_get_link_params(hwfn),
5479 			sizeof(link_params));
5480 		memcpy(&link_state, ecore_mcp_get_link_state(hwfn),
5481 			sizeof(link_state));
5482 	} else {
5483 		ecore_mcp_get_media_type(hwfn, NULL, &if_link->media_type);
5484 		ecore_vf_read_bulletin(hwfn, &p_change);
5485 		ecore_vf_get_link_params(hwfn, &link_params);
5486 		ecore_vf_get_link_state(hwfn, &link_state);
5487 	}
5488 
5489 	/* Set the link parameters to pass to protocol driver */
5490 	if (link_state.link_up) {
5491 		if_link->link_up = true;
5492 		if_link->speed = link_state.speed;
5493 	}
5494 
5495 	if_link->supported_caps = QLNX_LINK_CAP_FIBRE;
5496 
5497 	if (link_params.speed.autoneg)
5498 		if_link->supported_caps |= QLNX_LINK_CAP_Autoneg;
5499 
5500 	if (link_params.pause.autoneg ||
5501 		(link_params.pause.forced_rx && link_params.pause.forced_tx))
5502 		if_link->supported_caps |= QLNX_LINK_CAP_Asym_Pause;
5503 
5504 	if (link_params.pause.autoneg || link_params.pause.forced_rx ||
5505 		link_params.pause.forced_tx)
5506 		if_link->supported_caps |= QLNX_LINK_CAP_Pause;
5507 
5508 	if (link_params.speed.advertised_speeds &
5509 		NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
5510 		if_link->supported_caps |= QLNX_LINK_CAP_1000baseT_Half |
5511                                            QLNX_LINK_CAP_1000baseT_Full;
5512 
5513 	if (link_params.speed.advertised_speeds &
5514 		NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
5515 		if_link->supported_caps |= QLNX_LINK_CAP_10000baseKR_Full;
5516 
5517 	if (link_params.speed.advertised_speeds &
5518 		NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
5519 		if_link->supported_caps |= QLNX_LINK_CAP_25000baseKR_Full;
5520 
5521 	if (link_params.speed.advertised_speeds &
5522 		NVM_CFG1_PORT_DRV_LINK_SPEED_40G)
5523 		if_link->supported_caps |= QLNX_LINK_CAP_40000baseLR4_Full;
5524 
5525 	if (link_params.speed.advertised_speeds &
5526 		NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
5527 		if_link->supported_caps |= QLNX_LINK_CAP_50000baseKR2_Full;
5528 
5529 	if (link_params.speed.advertised_speeds &
5530 		NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
5531 		if_link->supported_caps |= QLNX_LINK_CAP_100000baseKR4_Full;
5532 
5533 	if_link->advertised_caps = if_link->supported_caps;
5534 
5535 	if_link->autoneg = link_params.speed.autoneg;
5536 	if_link->duplex = QLNX_LINK_DUPLEX;
5537 
5538 	/* Link partner capabilities */
5539 
5540 	if (link_state.partner_adv_speed & ECORE_LINK_PARTNER_SPEED_1G_HD)
5541 		if_link->link_partner_caps |= QLNX_LINK_CAP_1000baseT_Half;
5542 
5543 	if (link_state.partner_adv_speed & ECORE_LINK_PARTNER_SPEED_1G_FD)
5544 		if_link->link_partner_caps |= QLNX_LINK_CAP_1000baseT_Full;
5545 
5546 	if (link_state.partner_adv_speed & ECORE_LINK_PARTNER_SPEED_10G)
5547 		if_link->link_partner_caps |= QLNX_LINK_CAP_10000baseKR_Full;
5548 
5549 	if (link_state.partner_adv_speed & ECORE_LINK_PARTNER_SPEED_25G)
5550 		if_link->link_partner_caps |= QLNX_LINK_CAP_25000baseKR_Full;
5551 
5552 	if (link_state.partner_adv_speed & ECORE_LINK_PARTNER_SPEED_40G)
5553 		if_link->link_partner_caps |= QLNX_LINK_CAP_40000baseLR4_Full;
5554 
5555 	if (link_state.partner_adv_speed & ECORE_LINK_PARTNER_SPEED_50G)
5556 		if_link->link_partner_caps |= QLNX_LINK_CAP_50000baseKR2_Full;
5557 
5558 	if (link_state.partner_adv_speed & ECORE_LINK_PARTNER_SPEED_100G)
5559 		if_link->link_partner_caps |= QLNX_LINK_CAP_100000baseKR4_Full;
5560 
5561 	if (link_state.an_complete)
5562 		if_link->link_partner_caps |= QLNX_LINK_CAP_Autoneg;
5563 
5564 	if (link_state.partner_adv_pause)
5565 		if_link->link_partner_caps |= QLNX_LINK_CAP_Pause;
5566 
5567 	if ((link_state.partner_adv_pause ==
5568 		ECORE_LINK_PARTNER_ASYMMETRIC_PAUSE) ||
5569 		(link_state.partner_adv_pause ==
5570 			ECORE_LINK_PARTNER_BOTH_PAUSE))
5571 		if_link->link_partner_caps |= QLNX_LINK_CAP_Asym_Pause;
5572 
5573 	return;
5574 }
5575 
5576 void
qlnx_schedule_recovery(void * p_hwfn)5577 qlnx_schedule_recovery(void *p_hwfn)
5578 {
5579 	qlnx_host_t	*ha;
5580 
5581 	ha = (qlnx_host_t *)((struct ecore_hwfn *)p_hwfn)->p_dev;
5582 
5583 	if (qlnx_vf_device(ha) != 0) {
5584 		taskqueue_enqueue(ha->err_taskqueue, &ha->err_task);
5585 	}
5586 
5587 	return;
5588 }
5589 
5590 static int
qlnx_nic_setup(struct ecore_dev * cdev,struct ecore_pf_params * func_params)5591 qlnx_nic_setup(struct ecore_dev *cdev, struct ecore_pf_params *func_params)
5592 {
5593         int	rc, i;
5594 
5595         for (i = 0; i < cdev->num_hwfns; i++) {
5596                 struct ecore_hwfn *p_hwfn = &cdev->hwfns[i];
5597                 p_hwfn->pf_params = *func_params;
5598 
5599 #ifdef QLNX_ENABLE_IWARP
5600 		if (qlnx_vf_device((qlnx_host_t *)cdev) != 0) {
5601 			p_hwfn->using_ll2 = true;
5602 		}
5603 #endif /* #ifdef QLNX_ENABLE_IWARP */
5604         }
5605 
5606         rc = ecore_resc_alloc(cdev);
5607         if (rc)
5608                 goto qlnx_nic_setup_exit;
5609 
5610         ecore_resc_setup(cdev);
5611 
5612 qlnx_nic_setup_exit:
5613 
5614         return rc;
5615 }
5616 
5617 static int
qlnx_nic_start(struct ecore_dev * cdev)5618 qlnx_nic_start(struct ecore_dev *cdev)
5619 {
5620         int				rc;
5621 	struct ecore_hw_init_params	params;
5622 
5623 	bzero(&params, sizeof (struct ecore_hw_init_params));
5624 
5625 	params.p_tunn = NULL;
5626 	params.b_hw_start = true;
5627 	params.int_mode = cdev->int_mode;
5628 	params.allow_npar_tx_switch = true;
5629 	params.bin_fw_data = NULL;
5630 
5631         rc = ecore_hw_init(cdev, &params);
5632         if (rc) {
5633                 ecore_resc_free(cdev);
5634                 return rc;
5635         }
5636 
5637         return 0;
5638 }
5639 
5640 static int
qlnx_slowpath_start(qlnx_host_t * ha)5641 qlnx_slowpath_start(qlnx_host_t *ha)
5642 {
5643 	struct ecore_dev	*cdev;
5644 	struct ecore_pf_params	pf_params;
5645 	int			rc;
5646 
5647 	memset(&pf_params, 0, sizeof(struct ecore_pf_params));
5648 	pf_params.eth_pf_params.num_cons  =
5649 		(ha->num_rss) * (ha->num_tc + 1);
5650 
5651 #ifdef QLNX_ENABLE_IWARP
5652 	if (qlnx_vf_device(ha) != 0) {
5653 		if(ha->personality == ECORE_PCI_ETH_IWARP) {
5654 			device_printf(ha->pci_dev, "setting parameters required by iWARP dev\n");
5655 			pf_params.rdma_pf_params.num_qps = 1024;
5656 			pf_params.rdma_pf_params.num_srqs = 1024;
5657 			pf_params.rdma_pf_params.gl_pi = ECORE_ROCE_PROTOCOL_INDEX;
5658 			pf_params.rdma_pf_params.rdma_protocol = ECORE_RDMA_PROTOCOL_IWARP;
5659 		} else if(ha->personality == ECORE_PCI_ETH_ROCE) {
5660 			device_printf(ha->pci_dev, "setting parameters required by RoCE dev\n");
5661 			pf_params.rdma_pf_params.num_qps = 8192;
5662 			pf_params.rdma_pf_params.num_srqs = 8192;
5663 			//pf_params.rdma_pf_params.min_dpis = 0;
5664 			pf_params.rdma_pf_params.min_dpis = 8;
5665 			pf_params.rdma_pf_params.roce_edpm_mode = 0;
5666 			pf_params.rdma_pf_params.gl_pi = ECORE_ROCE_PROTOCOL_INDEX;
5667 			pf_params.rdma_pf_params.rdma_protocol = ECORE_RDMA_PROTOCOL_ROCE;
5668 		}
5669 	}
5670 #endif /* #ifdef QLNX_ENABLE_IWARP */
5671 
5672 	cdev = &ha->cdev;
5673 
5674 	rc = qlnx_nic_setup(cdev, &pf_params);
5675         if (rc)
5676                 goto qlnx_slowpath_start_exit;
5677 
5678         cdev->int_mode = ECORE_INT_MODE_MSIX;
5679         cdev->int_coalescing_mode = ECORE_COAL_MODE_ENABLE;
5680 
5681 #ifdef QLNX_MAX_COALESCE
5682 	cdev->rx_coalesce_usecs = 255;
5683 	cdev->tx_coalesce_usecs = 255;
5684 #endif
5685 
5686 	rc = qlnx_nic_start(cdev);
5687 
5688 	ha->rx_coalesce_usecs = cdev->rx_coalesce_usecs;
5689 	ha->tx_coalesce_usecs = cdev->tx_coalesce_usecs;
5690 
5691 #ifdef QLNX_USER_LLDP
5692 	(void)qlnx_set_lldp_tlvx(ha, NULL);
5693 #endif /* #ifdef QLNX_USER_LLDP */
5694 
5695 qlnx_slowpath_start_exit:
5696 
5697 	return (rc);
5698 }
5699 
5700 static int
qlnx_slowpath_stop(qlnx_host_t * ha)5701 qlnx_slowpath_stop(qlnx_host_t *ha)
5702 {
5703 	struct ecore_dev	*cdev;
5704 	device_t		dev = ha->pci_dev;
5705 	int			i;
5706 
5707 	cdev = &ha->cdev;
5708 
5709 	ecore_hw_stop(cdev);
5710 
5711  	for (i = 0; i < ha->cdev.num_hwfns; i++) {
5712         	if (ha->sp_handle[i])
5713                 	(void)bus_teardown_intr(dev, ha->sp_irq[i],
5714 				ha->sp_handle[i]);
5715 
5716 		ha->sp_handle[i] = NULL;
5717 
5718         	if (ha->sp_irq[i])
5719 			(void) bus_release_resource(dev, SYS_RES_IRQ,
5720 				ha->sp_irq_rid[i], ha->sp_irq[i]);
5721 		ha->sp_irq[i] = NULL;
5722 	}
5723 
5724         ecore_resc_free(cdev);
5725 
5726         return 0;
5727 }
5728 
5729 static void
qlnx_set_id(struct ecore_dev * cdev,char name[NAME_SIZE],char ver_str[VER_SIZE])5730 qlnx_set_id(struct ecore_dev *cdev, char name[NAME_SIZE],
5731 	char ver_str[VER_SIZE])
5732 {
5733         int	i;
5734 
5735         memcpy(cdev->name, name, NAME_SIZE);
5736 
5737         for_each_hwfn(cdev, i) {
5738                 snprintf(cdev->hwfns[i].name, NAME_SIZE, "%s-%d", name, i);
5739         }
5740 
5741         cdev->drv_type = DRV_ID_DRV_TYPE_FREEBSD;
5742 
5743 	return ;
5744 }
5745 
5746 void
qlnx_get_protocol_stats(void * cdev,int proto_type,void * proto_stats)5747 qlnx_get_protocol_stats(void *cdev, int proto_type, void *proto_stats)
5748 {
5749 	enum ecore_mcp_protocol_type	type;
5750 	union ecore_mcp_protocol_stats	*stats;
5751 	struct ecore_eth_stats		eth_stats;
5752 	qlnx_host_t			*ha;
5753 
5754 	ha = cdev;
5755 	stats = proto_stats;
5756 	type = proto_type;
5757 
5758         switch (type) {
5759         case ECORE_MCP_LAN_STATS:
5760                 ecore_get_vport_stats((struct ecore_dev *)cdev, &eth_stats);
5761                 stats->lan_stats.ucast_rx_pkts = eth_stats.common.rx_ucast_pkts;
5762                 stats->lan_stats.ucast_tx_pkts = eth_stats.common.tx_ucast_pkts;
5763                 stats->lan_stats.fcs_err = -1;
5764                 break;
5765 
5766 	default:
5767 		ha->err_get_proto_invalid_type++;
5768 
5769 		QL_DPRINT1(ha, "invalid protocol type 0x%x\n", type);
5770 		break;
5771 	}
5772 	return;
5773 }
5774 
5775 static int
qlnx_get_mfw_version(qlnx_host_t * ha,uint32_t * mfw_ver)5776 qlnx_get_mfw_version(qlnx_host_t *ha, uint32_t *mfw_ver)
5777 {
5778 	struct ecore_hwfn	*p_hwfn;
5779 	struct ecore_ptt	*p_ptt;
5780 
5781 	p_hwfn = &ha->cdev.hwfns[0];
5782 	p_ptt = ecore_ptt_acquire(p_hwfn);
5783 
5784 	if (p_ptt ==  NULL) {
5785                 QL_DPRINT1(ha, "ecore_ptt_acquire failed\n");
5786                 return (-1);
5787 	}
5788 	ecore_mcp_get_mfw_ver(p_hwfn, p_ptt, mfw_ver, NULL);
5789 
5790 	ecore_ptt_release(p_hwfn, p_ptt);
5791 
5792 	return (0);
5793 }
5794 
5795 static int
qlnx_get_flash_size(qlnx_host_t * ha,uint32_t * flash_size)5796 qlnx_get_flash_size(qlnx_host_t *ha, uint32_t *flash_size)
5797 {
5798 	struct ecore_hwfn	*p_hwfn;
5799 	struct ecore_ptt	*p_ptt;
5800 
5801 	p_hwfn = &ha->cdev.hwfns[0];
5802 	p_ptt = ecore_ptt_acquire(p_hwfn);
5803 
5804 	if (p_ptt ==  NULL) {
5805                 QL_DPRINT1(ha,"ecore_ptt_acquire failed\n");
5806                 return (-1);
5807 	}
5808 	ecore_mcp_get_flash_size(p_hwfn, p_ptt, flash_size);
5809 
5810 	ecore_ptt_release(p_hwfn, p_ptt);
5811 
5812 	return (0);
5813 }
5814 
5815 static int
qlnx_alloc_mem_arrays(qlnx_host_t * ha)5816 qlnx_alloc_mem_arrays(qlnx_host_t *ha)
5817 {
5818 	bzero(&ha->txq_array[0], (sizeof(struct qlnx_tx_queue) * QLNX_MAX_RSS));
5819 	bzero(&ha->rxq_array[0], (sizeof(struct qlnx_rx_queue) * QLNX_MAX_RSS));
5820 	bzero(&ha->sb_array[0], (sizeof(struct ecore_sb_info) * QLNX_MAX_RSS));
5821 
5822         return 0;
5823 }
5824 
5825 static void
qlnx_init_fp(qlnx_host_t * ha)5826 qlnx_init_fp(qlnx_host_t *ha)
5827 {
5828 	int rss_id, txq_array_index, tc;
5829 
5830 	for (rss_id = 0; rss_id < ha->num_rss; rss_id++) {
5831 		struct qlnx_fastpath *fp = &ha->fp_array[rss_id];
5832 
5833 		fp->rss_id = rss_id;
5834 		fp->edev = ha;
5835 		fp->sb_info = &ha->sb_array[rss_id];
5836 		fp->rxq = &ha->rxq_array[rss_id];
5837 		fp->rxq->rxq_id = rss_id;
5838 
5839 		for (tc = 0; tc < ha->num_tc; tc++) {
5840                         txq_array_index = tc * ha->num_rss + rss_id;
5841                         fp->txq[tc] = &ha->txq_array[txq_array_index];
5842                         fp->txq[tc]->index = txq_array_index;
5843 		}
5844 
5845 		snprintf(fp->name, sizeof(fp->name), "%s-fp-%d", qlnx_name_str,
5846 			rss_id);
5847 
5848 		fp->tx_ring_full = 0;
5849 
5850 		/* reset all the statistics counters */
5851 
5852 		fp->tx_pkts_processed = 0;
5853 		fp->tx_pkts_freed = 0;
5854 		fp->tx_pkts_transmitted = 0;
5855 		fp->tx_pkts_completed = 0;
5856 
5857 #ifdef QLNX_TRACE_PERF_DATA
5858 		fp->tx_pkts_trans_ctx = 0;
5859 		fp->tx_pkts_compl_ctx = 0;
5860 		fp->tx_pkts_trans_fp = 0;
5861 		fp->tx_pkts_compl_fp = 0;
5862 		fp->tx_pkts_compl_intr = 0;
5863 #endif
5864 		fp->tx_lso_wnd_min_len = 0;
5865 		fp->tx_defrag = 0;
5866 		fp->tx_nsegs_gt_elem_left = 0;
5867 		fp->tx_tso_max_nsegs = 0;
5868 		fp->tx_tso_min_nsegs = 0;
5869 		fp->err_tx_nsegs_gt_elem_left = 0;
5870 		fp->err_tx_dmamap_create = 0;
5871 		fp->err_tx_defrag_dmamap_load = 0;
5872 		fp->err_tx_non_tso_max_seg = 0;
5873 		fp->err_tx_dmamap_load = 0;
5874 		fp->err_tx_defrag = 0;
5875 		fp->err_tx_free_pkt_null = 0;
5876 		fp->err_tx_cons_idx_conflict = 0;
5877 
5878 		fp->rx_pkts = 0;
5879 		fp->err_m_getcl = 0;
5880 		fp->err_m_getjcl = 0;
5881         }
5882 	return;
5883 }
5884 
5885 void
qlnx_free_mem_sb(qlnx_host_t * ha,struct ecore_sb_info * sb_info)5886 qlnx_free_mem_sb(qlnx_host_t *ha, struct ecore_sb_info *sb_info)
5887 {
5888 	struct ecore_dev	*cdev;
5889 
5890 	cdev = &ha->cdev;
5891 
5892         if (sb_info->sb_virt) {
5893                 OSAL_DMA_FREE_COHERENT(cdev, ((void *)sb_info->sb_virt),
5894 			(sb_info->sb_phys), (sizeof(*sb_info->sb_virt)));
5895 		sb_info->sb_virt = NULL;
5896 	}
5897 }
5898 
5899 static int
qlnx_sb_init(struct ecore_dev * cdev,struct ecore_sb_info * sb_info,void * sb_virt_addr,bus_addr_t sb_phy_addr,u16 sb_id)5900 qlnx_sb_init(struct ecore_dev *cdev, struct ecore_sb_info *sb_info,
5901 	void *sb_virt_addr, bus_addr_t sb_phy_addr, u16 sb_id)
5902 {
5903         struct ecore_hwfn	*p_hwfn;
5904         int			hwfn_index, rc;
5905         u16			rel_sb_id;
5906 
5907         hwfn_index = sb_id % cdev->num_hwfns;
5908         p_hwfn = &cdev->hwfns[hwfn_index];
5909         rel_sb_id = sb_id / cdev->num_hwfns;
5910 
5911         QL_DPRINT2(((qlnx_host_t *)cdev),
5912                 "hwfn_index = %d p_hwfn = %p sb_id = 0x%x rel_sb_id = 0x%x \
5913                 sb_info = %p sb_virt_addr = %p sb_phy_addr = %p\n",
5914                 hwfn_index, p_hwfn, sb_id, rel_sb_id, sb_info,
5915                 sb_virt_addr, (void *)sb_phy_addr);
5916 
5917         rc = ecore_int_sb_init(p_hwfn, p_hwfn->p_main_ptt, sb_info,
5918                              sb_virt_addr, sb_phy_addr, rel_sb_id);
5919 
5920         return rc;
5921 }
5922 
5923 /* This function allocates fast-path status block memory */
5924 int
qlnx_alloc_mem_sb(qlnx_host_t * ha,struct ecore_sb_info * sb_info,u16 sb_id)5925 qlnx_alloc_mem_sb(qlnx_host_t *ha, struct ecore_sb_info *sb_info, u16 sb_id)
5926 {
5927         struct status_block_e4	*sb_virt;
5928         bus_addr_t		sb_phys;
5929         int			rc;
5930 	uint32_t		size;
5931 	struct ecore_dev	*cdev;
5932 
5933 	cdev = &ha->cdev;
5934 
5935 	size = sizeof(*sb_virt);
5936 	sb_virt = OSAL_DMA_ALLOC_COHERENT(cdev, (&sb_phys), size);
5937 
5938         if (!sb_virt) {
5939                 QL_DPRINT1(ha, "Status block allocation failed\n");
5940                 return -ENOMEM;
5941         }
5942 
5943         rc = qlnx_sb_init(cdev, sb_info, sb_virt, sb_phys, sb_id);
5944         if (rc) {
5945                 OSAL_DMA_FREE_COHERENT(cdev, sb_virt, sb_phys, size);
5946         }
5947 
5948 	return rc;
5949 }
5950 
5951 static void
qlnx_free_rx_buffers(qlnx_host_t * ha,struct qlnx_rx_queue * rxq)5952 qlnx_free_rx_buffers(qlnx_host_t *ha, struct qlnx_rx_queue *rxq)
5953 {
5954         int			i;
5955 	struct sw_rx_data	*rx_buf;
5956 
5957         for (i = 0; i < rxq->num_rx_buffers; i++) {
5958                 rx_buf = &rxq->sw_rx_ring[i];
5959 
5960 		if (rx_buf->data != NULL) {
5961 			if (rx_buf->map != NULL) {
5962 				bus_dmamap_unload(ha->rx_tag, rx_buf->map);
5963 				bus_dmamap_destroy(ha->rx_tag, rx_buf->map);
5964 				rx_buf->map = NULL;
5965 			}
5966 			m_freem(rx_buf->data);
5967 			rx_buf->data = NULL;
5968 		}
5969         }
5970 	return;
5971 }
5972 
5973 static void
qlnx_free_mem_rxq(qlnx_host_t * ha,struct qlnx_rx_queue * rxq)5974 qlnx_free_mem_rxq(qlnx_host_t *ha, struct qlnx_rx_queue *rxq)
5975 {
5976 	struct ecore_dev	*cdev;
5977 	int			i;
5978 
5979 	cdev = &ha->cdev;
5980 
5981 	qlnx_free_rx_buffers(ha, rxq);
5982 
5983 	for (i = 0; i < ETH_TPA_MAX_AGGS_NUM; i++) {
5984 		qlnx_free_tpa_mbuf(ha, &rxq->tpa_info[i]);
5985 		if (rxq->tpa_info[i].mpf != NULL)
5986 			m_freem(rxq->tpa_info[i].mpf);
5987 	}
5988 
5989 	bzero((void *)&rxq->sw_rx_ring[0],
5990 		(sizeof (struct sw_rx_data) * RX_RING_SIZE));
5991 
5992         /* Free the real RQ ring used by FW */
5993 	if (rxq->rx_bd_ring.p_virt_addr) {
5994                 ecore_chain_free(cdev, &rxq->rx_bd_ring);
5995                 rxq->rx_bd_ring.p_virt_addr = NULL;
5996         }
5997 
5998         /* Free the real completion ring used by FW */
5999         if (rxq->rx_comp_ring.p_virt_addr &&
6000                         rxq->rx_comp_ring.pbl_sp.p_virt_table) {
6001                 ecore_chain_free(cdev, &rxq->rx_comp_ring);
6002                 rxq->rx_comp_ring.p_virt_addr = NULL;
6003                 rxq->rx_comp_ring.pbl_sp.p_virt_table = NULL;
6004         }
6005 
6006 #ifdef QLNX_SOFT_LRO
6007 	{
6008 		struct lro_ctrl *lro;
6009 
6010 		lro = &rxq->lro;
6011 		tcp_lro_free(lro);
6012 	}
6013 #endif /* #ifdef QLNX_SOFT_LRO */
6014 
6015 	return;
6016 }
6017 
6018 static int
qlnx_alloc_rx_buffer(qlnx_host_t * ha,struct qlnx_rx_queue * rxq)6019 qlnx_alloc_rx_buffer(qlnx_host_t *ha, struct qlnx_rx_queue *rxq)
6020 {
6021         register struct mbuf	*mp;
6022         uint16_t		rx_buf_size;
6023         struct sw_rx_data	*sw_rx_data;
6024         struct eth_rx_bd	*rx_bd;
6025         dma_addr_t		dma_addr;
6026 	bus_dmamap_t		map;
6027 	bus_dma_segment_t       segs[1];
6028 	int			nsegs;
6029 	int			ret;
6030 
6031         rx_buf_size = rxq->rx_buf_size;
6032 
6033 	mp = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, rx_buf_size);
6034 
6035         if (mp == NULL) {
6036                 QL_DPRINT1(ha, "Failed to allocate Rx data\n");
6037                 return -ENOMEM;
6038         }
6039 
6040 	mp->m_len = mp->m_pkthdr.len = rx_buf_size;
6041 
6042 	map = (bus_dmamap_t)0;
6043 
6044 	ret = bus_dmamap_load_mbuf_sg(ha->rx_tag, map, mp, segs, &nsegs,
6045 			BUS_DMA_NOWAIT);
6046 	dma_addr = segs[0].ds_addr;
6047 
6048 	if (ret || !dma_addr || (nsegs != 1)) {
6049 		m_freem(mp);
6050 		QL_DPRINT1(ha, "bus_dmamap_load failed[%d, 0x%016llx, %d]\n",
6051                            ret, (long long unsigned int)dma_addr, nsegs);
6052 		return -ENOMEM;
6053 	}
6054 
6055         sw_rx_data = &rxq->sw_rx_ring[rxq->sw_rx_prod];
6056         sw_rx_data->data = mp;
6057         sw_rx_data->dma_addr = dma_addr;
6058         sw_rx_data->map = map;
6059 
6060         /* Advance PROD and get BD pointer */
6061         rx_bd = (struct eth_rx_bd *)ecore_chain_produce(&rxq->rx_bd_ring);
6062         rx_bd->addr.hi = htole32(U64_HI(dma_addr));
6063         rx_bd->addr.lo = htole32(U64_LO(dma_addr));
6064 	bus_dmamap_sync(ha->rx_tag, map, BUS_DMASYNC_PREREAD);
6065 
6066         rxq->sw_rx_prod = (rxq->sw_rx_prod + 1) & (RX_RING_SIZE - 1);
6067 
6068         return 0;
6069 }
6070 
6071 static int
qlnx_alloc_tpa_mbuf(qlnx_host_t * ha,uint16_t rx_buf_size,struct qlnx_agg_info * tpa)6072 qlnx_alloc_tpa_mbuf(qlnx_host_t *ha, uint16_t rx_buf_size,
6073 	struct qlnx_agg_info *tpa)
6074 {
6075 	struct mbuf		*mp;
6076         dma_addr_t		dma_addr;
6077 	bus_dmamap_t		map;
6078 	bus_dma_segment_t       segs[1];
6079 	int			nsegs;
6080 	int			ret;
6081         struct sw_rx_data	*rx_buf;
6082 
6083 	mp = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, rx_buf_size);
6084 
6085         if (mp == NULL) {
6086                 QL_DPRINT1(ha, "Failed to allocate Rx data\n");
6087                 return -ENOMEM;
6088         }
6089 
6090 	mp->m_len = mp->m_pkthdr.len = rx_buf_size;
6091 
6092 	map = (bus_dmamap_t)0;
6093 
6094 	ret = bus_dmamap_load_mbuf_sg(ha->rx_tag, map, mp, segs, &nsegs,
6095 			BUS_DMA_NOWAIT);
6096 	dma_addr = segs[0].ds_addr;
6097 
6098 	if (ret || !dma_addr || (nsegs != 1)) {
6099 		m_freem(mp);
6100 		QL_DPRINT1(ha, "bus_dmamap_load failed[%d, 0x%016llx, %d]\n",
6101 			ret, (long long unsigned int)dma_addr, nsegs);
6102 		return -ENOMEM;
6103 	}
6104 
6105         rx_buf = &tpa->rx_buf;
6106 
6107 	memset(rx_buf, 0, sizeof (struct sw_rx_data));
6108 
6109         rx_buf->data = mp;
6110         rx_buf->dma_addr = dma_addr;
6111         rx_buf->map = map;
6112 
6113 	bus_dmamap_sync(ha->rx_tag, map, BUS_DMASYNC_PREREAD);
6114 
6115 	return (0);
6116 }
6117 
6118 static void
qlnx_free_tpa_mbuf(qlnx_host_t * ha,struct qlnx_agg_info * tpa)6119 qlnx_free_tpa_mbuf(qlnx_host_t *ha, struct qlnx_agg_info *tpa)
6120 {
6121         struct sw_rx_data	*rx_buf;
6122 
6123 	rx_buf = &tpa->rx_buf;
6124 
6125 	if (rx_buf->data != NULL) {
6126 		if (rx_buf->map != NULL) {
6127 			bus_dmamap_unload(ha->rx_tag, rx_buf->map);
6128 			bus_dmamap_destroy(ha->rx_tag, rx_buf->map);
6129 			rx_buf->map = NULL;
6130 		}
6131 		m_freem(rx_buf->data);
6132 		rx_buf->data = NULL;
6133 	}
6134 	return;
6135 }
6136 
6137 /* This function allocates all memory needed per Rx queue */
6138 static int
qlnx_alloc_mem_rxq(qlnx_host_t * ha,struct qlnx_rx_queue * rxq)6139 qlnx_alloc_mem_rxq(qlnx_host_t *ha, struct qlnx_rx_queue *rxq)
6140 {
6141         int			i, rc, num_allocated;
6142 	struct ecore_dev	 *cdev;
6143 
6144 	cdev = &ha->cdev;
6145 
6146         rxq->num_rx_buffers = RX_RING_SIZE;
6147 
6148 	rxq->rx_buf_size = ha->rx_buf_size;
6149 
6150         /* Allocate the parallel driver ring for Rx buffers */
6151 	bzero((void *)&rxq->sw_rx_ring[0],
6152 		(sizeof (struct sw_rx_data) * RX_RING_SIZE));
6153 
6154         /* Allocate FW Rx ring  */
6155 
6156         rc = ecore_chain_alloc(cdev,
6157 			ECORE_CHAIN_USE_TO_CONSUME_PRODUCE,
6158 			ECORE_CHAIN_MODE_NEXT_PTR,
6159 			ECORE_CHAIN_CNT_TYPE_U16,
6160 			RX_RING_SIZE,
6161 			sizeof(struct eth_rx_bd),
6162 			&rxq->rx_bd_ring, NULL);
6163 
6164         if (rc)
6165                 goto err;
6166 
6167         /* Allocate FW completion ring */
6168         rc = ecore_chain_alloc(cdev,
6169                         ECORE_CHAIN_USE_TO_CONSUME,
6170                         ECORE_CHAIN_MODE_PBL,
6171 			ECORE_CHAIN_CNT_TYPE_U16,
6172                         RX_RING_SIZE,
6173                         sizeof(union eth_rx_cqe),
6174                         &rxq->rx_comp_ring, NULL);
6175 
6176         if (rc)
6177                 goto err;
6178 
6179         /* Allocate buffers for the Rx ring */
6180 
6181 	for (i = 0; i < ETH_TPA_MAX_AGGS_NUM; i++) {
6182 		rc = qlnx_alloc_tpa_mbuf(ha, rxq->rx_buf_size,
6183 			&rxq->tpa_info[i]);
6184                 if (rc)
6185                         break;
6186 	}
6187 
6188         for (i = 0; i < rxq->num_rx_buffers; i++) {
6189                 rc = qlnx_alloc_rx_buffer(ha, rxq);
6190                 if (rc)
6191                         break;
6192         }
6193         num_allocated = i;
6194         if (!num_allocated) {
6195 		QL_DPRINT1(ha, "Rx buffers allocation failed\n");
6196                 goto err;
6197         } else if (num_allocated < rxq->num_rx_buffers) {
6198 		QL_DPRINT1(ha, "Allocated less buffers than"
6199 			" desired (%d allocated)\n", num_allocated);
6200         }
6201 
6202 #ifdef QLNX_SOFT_LRO
6203 
6204 	{
6205 		struct lro_ctrl *lro;
6206 
6207 		lro = &rxq->lro;
6208 
6209 		if (tcp_lro_init_args(lro, ifp, 0, rxq->num_rx_buffers)) {
6210 			QL_DPRINT1(ha, "tcp_lro_init[%d] failed\n",
6211 				   rxq->rxq_id);
6212 			goto err;
6213 		}
6214 
6215 		lro->ifp = ha->ifp;
6216 	}
6217 #endif /* #ifdef QLNX_SOFT_LRO */
6218         return 0;
6219 
6220 err:
6221         qlnx_free_mem_rxq(ha, rxq);
6222         return -ENOMEM;
6223 }
6224 
6225 static void
qlnx_free_mem_txq(qlnx_host_t * ha,struct qlnx_fastpath * fp,struct qlnx_tx_queue * txq)6226 qlnx_free_mem_txq(qlnx_host_t *ha, struct qlnx_fastpath *fp,
6227 	struct qlnx_tx_queue *txq)
6228 {
6229 	struct ecore_dev	*cdev;
6230 
6231 	cdev = &ha->cdev;
6232 
6233 	bzero((void *)&txq->sw_tx_ring[0],
6234 		(sizeof (struct sw_tx_bd) * TX_RING_SIZE));
6235 
6236         /* Free the real RQ ring used by FW */
6237         if (txq->tx_pbl.p_virt_addr) {
6238                 ecore_chain_free(cdev, &txq->tx_pbl);
6239                 txq->tx_pbl.p_virt_addr = NULL;
6240         }
6241 	return;
6242 }
6243 
6244 /* This function allocates all memory needed per Tx queue */
6245 static int
qlnx_alloc_mem_txq(qlnx_host_t * ha,struct qlnx_fastpath * fp,struct qlnx_tx_queue * txq)6246 qlnx_alloc_mem_txq(qlnx_host_t *ha, struct qlnx_fastpath *fp,
6247 	struct qlnx_tx_queue *txq)
6248 {
6249         int			ret = ECORE_SUCCESS;
6250         union eth_tx_bd_types	*p_virt;
6251 	struct ecore_dev	*cdev;
6252 
6253 	cdev = &ha->cdev;
6254 
6255 	bzero((void *)&txq->sw_tx_ring[0],
6256 		(sizeof (struct sw_tx_bd) * TX_RING_SIZE));
6257 
6258         /* Allocate the real Tx ring to be used by FW */
6259         ret = ecore_chain_alloc(cdev,
6260                         ECORE_CHAIN_USE_TO_CONSUME_PRODUCE,
6261                         ECORE_CHAIN_MODE_PBL,
6262 			ECORE_CHAIN_CNT_TYPE_U16,
6263                         TX_RING_SIZE,
6264                         sizeof(*p_virt),
6265                         &txq->tx_pbl, NULL);
6266 
6267         if (ret != ECORE_SUCCESS) {
6268                 goto err;
6269         }
6270 
6271 	txq->num_tx_buffers = TX_RING_SIZE;
6272 
6273         return 0;
6274 
6275 err:
6276         qlnx_free_mem_txq(ha, fp, txq);
6277         return -ENOMEM;
6278 }
6279 
6280 static void
qlnx_free_tx_br(qlnx_host_t * ha,struct qlnx_fastpath * fp)6281 qlnx_free_tx_br(qlnx_host_t *ha, struct qlnx_fastpath *fp)
6282 {
6283 	struct mbuf	*mp;
6284 	if_t		ifp = ha->ifp;
6285 
6286 	if (mtx_initialized(&fp->tx_mtx)) {
6287 		if (fp->tx_br != NULL) {
6288 			mtx_lock(&fp->tx_mtx);
6289 
6290 			while ((mp = drbr_dequeue(ifp, fp->tx_br)) != NULL) {
6291 				fp->tx_pkts_freed++;
6292 				m_freem(mp);
6293 			}
6294 
6295 			mtx_unlock(&fp->tx_mtx);
6296 
6297 			buf_ring_free(fp->tx_br, M_DEVBUF);
6298 			fp->tx_br = NULL;
6299 		}
6300 		mtx_destroy(&fp->tx_mtx);
6301 	}
6302 	return;
6303 }
6304 
6305 static void
qlnx_free_mem_fp(qlnx_host_t * ha,struct qlnx_fastpath * fp)6306 qlnx_free_mem_fp(qlnx_host_t *ha, struct qlnx_fastpath *fp)
6307 {
6308         int	tc;
6309 
6310         qlnx_free_mem_sb(ha, fp->sb_info);
6311 
6312         qlnx_free_mem_rxq(ha, fp->rxq);
6313 
6314         for (tc = 0; tc < ha->num_tc; tc++)
6315                 qlnx_free_mem_txq(ha, fp, fp->txq[tc]);
6316 
6317 	return;
6318 }
6319 
6320 static int
qlnx_alloc_tx_br(qlnx_host_t * ha,struct qlnx_fastpath * fp)6321 qlnx_alloc_tx_br(qlnx_host_t *ha, struct qlnx_fastpath *fp)
6322 {
6323 	snprintf(fp->tx_mtx_name, sizeof(fp->tx_mtx_name),
6324 		"qlnx%d_fp%d_tx_mq_lock", ha->dev_unit, fp->rss_id);
6325 
6326 	mtx_init(&fp->tx_mtx, fp->tx_mtx_name, NULL, MTX_DEF);
6327 
6328         fp->tx_br = buf_ring_alloc(TX_RING_SIZE, M_DEVBUF,
6329                                    M_NOWAIT, &fp->tx_mtx);
6330         if (fp->tx_br == NULL) {
6331 		QL_DPRINT1(ha, "buf_ring_alloc failed for fp[%d, %d]\n",
6332 			ha->dev_unit, fp->rss_id);
6333 		return -ENOMEM;
6334         }
6335 	return 0;
6336 }
6337 
6338 static int
qlnx_alloc_mem_fp(qlnx_host_t * ha,struct qlnx_fastpath * fp)6339 qlnx_alloc_mem_fp(qlnx_host_t *ha, struct qlnx_fastpath *fp)
6340 {
6341         int	rc, tc;
6342 
6343         rc = qlnx_alloc_mem_sb(ha, fp->sb_info, fp->rss_id);
6344         if (rc)
6345                 goto err;
6346 
6347 	if (ha->rx_jumbo_buf_eq_mtu) {
6348 		if (ha->max_frame_size <= MCLBYTES)
6349 			ha->rx_buf_size = MCLBYTES;
6350 		else if (ha->max_frame_size <= MJUMPAGESIZE)
6351 			ha->rx_buf_size = MJUMPAGESIZE;
6352 		else if (ha->max_frame_size <= MJUM9BYTES)
6353 			ha->rx_buf_size = MJUM9BYTES;
6354 		else if (ha->max_frame_size <= MJUM16BYTES)
6355 			ha->rx_buf_size = MJUM16BYTES;
6356 	} else {
6357 		if (ha->max_frame_size <= MCLBYTES)
6358 			ha->rx_buf_size = MCLBYTES;
6359 		else
6360 			ha->rx_buf_size = MJUMPAGESIZE;
6361 	}
6362 
6363         rc = qlnx_alloc_mem_rxq(ha, fp->rxq);
6364         if (rc)
6365                 goto err;
6366 
6367         for (tc = 0; tc < ha->num_tc; tc++) {
6368                 rc = qlnx_alloc_mem_txq(ha, fp, fp->txq[tc]);
6369                 if (rc)
6370                         goto err;
6371         }
6372 
6373         return 0;
6374 
6375 err:
6376         qlnx_free_mem_fp(ha, fp);
6377         return -ENOMEM;
6378 }
6379 
6380 static void
qlnx_free_mem_load(qlnx_host_t * ha)6381 qlnx_free_mem_load(qlnx_host_t *ha)
6382 {
6383         int			i;
6384 
6385         for (i = 0; i < ha->num_rss; i++) {
6386                 struct qlnx_fastpath *fp = &ha->fp_array[i];
6387 
6388                 qlnx_free_mem_fp(ha, fp);
6389         }
6390 	return;
6391 }
6392 
6393 static int
qlnx_alloc_mem_load(qlnx_host_t * ha)6394 qlnx_alloc_mem_load(qlnx_host_t *ha)
6395 {
6396         int	rc = 0, rss_id;
6397 
6398         for (rss_id = 0; rss_id < ha->num_rss; rss_id++) {
6399                 struct qlnx_fastpath *fp = &ha->fp_array[rss_id];
6400 
6401                 rc = qlnx_alloc_mem_fp(ha, fp);
6402                 if (rc)
6403                         break;
6404         }
6405 	return (rc);
6406 }
6407 
6408 static int
qlnx_start_vport(struct ecore_dev * cdev,u8 vport_id,u16 mtu,u8 drop_ttl0_flg,u8 inner_vlan_removal_en_flg,u8 tx_switching,u8 hw_lro_enable)6409 qlnx_start_vport(struct ecore_dev *cdev,
6410                 u8 vport_id,
6411                 u16 mtu,
6412                 u8 drop_ttl0_flg,
6413                 u8 inner_vlan_removal_en_flg,
6414 		u8 tx_switching,
6415 		u8 hw_lro_enable)
6416 {
6417         int					rc, i;
6418 	struct ecore_sp_vport_start_params	vport_start_params = { 0 };
6419 	qlnx_host_t				*ha __unused;
6420 
6421 	ha = (qlnx_host_t *)cdev;
6422 
6423 	vport_start_params.remove_inner_vlan = inner_vlan_removal_en_flg;
6424 	vport_start_params.tx_switching = 0;
6425 	vport_start_params.handle_ptp_pkts = 0;
6426 	vport_start_params.only_untagged = 0;
6427 	vport_start_params.drop_ttl0 = drop_ttl0_flg;
6428 
6429 	vport_start_params.tpa_mode =
6430 		(hw_lro_enable ? ECORE_TPA_MODE_RSC : ECORE_TPA_MODE_NONE);
6431 	vport_start_params.max_buffers_per_cqe = QLNX_TPA_MAX_AGG_BUFFERS;
6432 
6433 	vport_start_params.vport_id = vport_id;
6434 	vport_start_params.mtu = mtu;
6435 
6436 	QL_DPRINT2(ha, "Setting mtu to %d and VPORT ID = %d\n", mtu, vport_id);
6437 
6438         for_each_hwfn(cdev, i) {
6439                 struct ecore_hwfn *p_hwfn = &cdev->hwfns[i];
6440 
6441 		vport_start_params.concrete_fid = p_hwfn->hw_info.concrete_fid;
6442 		vport_start_params.opaque_fid = p_hwfn->hw_info.opaque_fid;
6443 
6444                 rc = ecore_sp_vport_start(p_hwfn, &vport_start_params);
6445 
6446                 if (rc) {
6447 			QL_DPRINT1(ha, "Failed to start VPORT V-PORT %d"
6448 				" with MTU %d\n" , vport_id, mtu);
6449                         return -ENOMEM;
6450                 }
6451 
6452                 ecore_hw_start_fastpath(p_hwfn);
6453 
6454 		QL_DPRINT2(ha, "Started V-PORT %d with MTU %d\n",
6455 			vport_id, mtu);
6456         }
6457         return 0;
6458 }
6459 
6460 static int
qlnx_update_vport(struct ecore_dev * cdev,struct qlnx_update_vport_params * params)6461 qlnx_update_vport(struct ecore_dev *cdev,
6462 	struct qlnx_update_vport_params *params)
6463 {
6464         struct ecore_sp_vport_update_params	sp_params;
6465         int					rc, i, j, fp_index;
6466 	struct ecore_hwfn			*p_hwfn;
6467         struct ecore_rss_params			*rss;
6468 	qlnx_host_t				*ha = (qlnx_host_t *)cdev;
6469         struct qlnx_fastpath			*fp;
6470 
6471         memset(&sp_params, 0, sizeof(sp_params));
6472         /* Translate protocol params into sp params */
6473         sp_params.vport_id = params->vport_id;
6474 
6475         sp_params.update_vport_active_rx_flg =
6476 		params->update_vport_active_rx_flg;
6477         sp_params.vport_active_rx_flg = params->vport_active_rx_flg;
6478 
6479         sp_params.update_vport_active_tx_flg =
6480 		params->update_vport_active_tx_flg;
6481         sp_params.vport_active_tx_flg = params->vport_active_tx_flg;
6482 
6483         sp_params.update_inner_vlan_removal_flg =
6484                 params->update_inner_vlan_removal_flg;
6485         sp_params.inner_vlan_removal_flg = params->inner_vlan_removal_flg;
6486 
6487 	sp_params.sge_tpa_params = params->sge_tpa_params;
6488 
6489         /* RSS - is a bit tricky, since upper-layer isn't familiar with hwfns.
6490          * We need to re-fix the rss values per engine for CMT.
6491          */
6492 	if (params->rss_params->update_rss_config)
6493         sp_params.rss_params = params->rss_params;
6494 	else
6495 		sp_params.rss_params =  NULL;
6496 
6497         for_each_hwfn(cdev, i) {
6498 		p_hwfn = &cdev->hwfns[i];
6499 
6500 		if ((cdev->num_hwfns > 1) &&
6501 			params->rss_params->update_rss_config &&
6502 			params->rss_params->rss_enable) {
6503 			rss = params->rss_params;
6504 
6505 			for (j = 0; j < ECORE_RSS_IND_TABLE_SIZE; j++) {
6506 				fp_index = ((cdev->num_hwfns * j) + i) %
6507 						ha->num_rss;
6508 
6509                 		fp = &ha->fp_array[fp_index];
6510                         	rss->rss_ind_table[j] = fp->rxq->handle;
6511 			}
6512 
6513 			for (j = 0; j < ECORE_RSS_IND_TABLE_SIZE;) {
6514 				QL_DPRINT3(ha, "%p %p %p %p %p %p %p %p \n",
6515 					rss->rss_ind_table[j],
6516 					rss->rss_ind_table[j+1],
6517 					rss->rss_ind_table[j+2],
6518 					rss->rss_ind_table[j+3],
6519 					rss->rss_ind_table[j+4],
6520 					rss->rss_ind_table[j+5],
6521 					rss->rss_ind_table[j+6],
6522 					rss->rss_ind_table[j+7]);
6523 					j += 8;
6524 			}
6525 		}
6526 
6527                 sp_params.opaque_fid = p_hwfn->hw_info.opaque_fid;
6528 
6529 		QL_DPRINT1(ha, "Update sp vport ID=%d\n", params->vport_id);
6530 
6531                 rc = ecore_sp_vport_update(p_hwfn, &sp_params,
6532                                            ECORE_SPQ_MODE_EBLOCK, NULL);
6533                 if (rc) {
6534 			QL_DPRINT1(ha, "Failed to update VPORT\n");
6535                         return rc;
6536                 }
6537 
6538                 QL_DPRINT2(ha, "Updated V-PORT %d: tx_active_flag %d, \
6539 			rx_active_flag %d [tx_update %d], [rx_update %d]\n",
6540 			params->vport_id, params->vport_active_tx_flg,
6541 			params->vport_active_rx_flg,
6542 			params->update_vport_active_tx_flg,
6543 			params->update_vport_active_rx_flg);
6544         }
6545 
6546         return 0;
6547 }
6548 
6549 static void
qlnx_reuse_rx_data(struct qlnx_rx_queue * rxq)6550 qlnx_reuse_rx_data(struct qlnx_rx_queue *rxq)
6551 {
6552         struct eth_rx_bd	*rx_bd_cons =
6553 					ecore_chain_consume(&rxq->rx_bd_ring);
6554         struct eth_rx_bd	*rx_bd_prod =
6555 					ecore_chain_produce(&rxq->rx_bd_ring);
6556         struct sw_rx_data	*sw_rx_data_cons =
6557 					&rxq->sw_rx_ring[rxq->sw_rx_cons];
6558         struct sw_rx_data	*sw_rx_data_prod =
6559 					&rxq->sw_rx_ring[rxq->sw_rx_prod];
6560 
6561         sw_rx_data_prod->data = sw_rx_data_cons->data;
6562         memcpy(rx_bd_prod, rx_bd_cons, sizeof(struct eth_rx_bd));
6563 
6564         rxq->sw_rx_cons  = (rxq->sw_rx_cons + 1) & (RX_RING_SIZE - 1);
6565         rxq->sw_rx_prod  = (rxq->sw_rx_prod + 1) & (RX_RING_SIZE - 1);
6566 
6567 	return;
6568 }
6569 
6570 static void
qlnx_update_rx_prod(struct ecore_hwfn * p_hwfn,struct qlnx_rx_queue * rxq)6571 qlnx_update_rx_prod(struct ecore_hwfn *p_hwfn, struct qlnx_rx_queue *rxq)
6572 {
6573 
6574         uint16_t	 	bd_prod;
6575         uint16_t		cqe_prod;
6576 	union {
6577 		struct eth_rx_prod_data rx_prod_data;
6578 		uint32_t		data32;
6579 	} rx_prods;
6580 
6581         bd_prod = ecore_chain_get_prod_idx(&rxq->rx_bd_ring);
6582         cqe_prod = ecore_chain_get_prod_idx(&rxq->rx_comp_ring);
6583 
6584         /* Update producers */
6585         rx_prods.rx_prod_data.bd_prod = htole16(bd_prod);
6586         rx_prods.rx_prod_data.cqe_prod = htole16(cqe_prod);
6587 
6588         /* Make sure that the BD and SGE data is updated before updating the
6589          * producers since FW might read the BD/SGE right after the producer
6590          * is updated.
6591          */
6592 	wmb();
6593 
6594 #ifdef ECORE_CONFIG_DIRECT_HWFN
6595 	internal_ram_wr(p_hwfn, rxq->hw_rxq_prod_addr,
6596 		sizeof(rx_prods), &rx_prods.data32);
6597 #else
6598 	internal_ram_wr(rxq->hw_rxq_prod_addr,
6599 		sizeof(rx_prods), &rx_prods.data32);
6600 #endif
6601 
6602         /* mmiowb is needed to synchronize doorbell writes from more than one
6603          * processor. It guarantees that the write arrives to the device before
6604          * the napi lock is released and another qlnx_poll is called (possibly
6605          * on another CPU). Without this barrier, the next doorbell can bypass
6606          * this doorbell. This is applicable to IA64/Altix systems.
6607          */
6608         wmb();
6609 
6610 	return;
6611 }
6612 
6613 static uint32_t qlnx_hash_key[] = {
6614                 ((0x6d << 24)|(0x5a << 16)|(0x56 << 8)|0xda),
6615                 ((0x25 << 24)|(0x5b << 16)|(0x0e << 8)|0xc2),
6616                 ((0x41 << 24)|(0x67 << 16)|(0x25 << 8)|0x3d),
6617                 ((0x43 << 24)|(0xa3 << 16)|(0x8f << 8)|0xb0),
6618                 ((0xd0 << 24)|(0xca << 16)|(0x2b << 8)|0xcb),
6619                 ((0xae << 24)|(0x7b << 16)|(0x30 << 8)|0xb4),
6620                 ((0x77 << 24)|(0xcb << 16)|(0x2d << 8)|0xa3),
6621                 ((0x80 << 24)|(0x30 << 16)|(0xf2 << 8)|0x0c),
6622                 ((0x6a << 24)|(0x42 << 16)|(0xb7 << 8)|0x3b),
6623                 ((0xbe << 24)|(0xac << 16)|(0x01 << 8)|0xfa)};
6624 
6625 static int
qlnx_start_queues(qlnx_host_t * ha)6626 qlnx_start_queues(qlnx_host_t *ha)
6627 {
6628         int				rc, tc, i, vport_id = 0,
6629 					drop_ttl0_flg = 1, vlan_removal_en = 1,
6630 					tx_switching = 0, hw_lro_enable = 0;
6631         struct ecore_dev		*cdev = &ha->cdev;
6632         struct ecore_rss_params		*rss_params = &ha->rss_params;
6633         struct qlnx_update_vport_params	vport_update_params;
6634         if_t				ifp;
6635         struct ecore_hwfn		*p_hwfn;
6636 	struct ecore_sge_tpa_params	tpa_params;
6637 	struct ecore_queue_start_common_params qparams;
6638         struct qlnx_fastpath		*fp;
6639 
6640 	ifp = ha->ifp;
6641 
6642 	QL_DPRINT1(ha, "Num RSS = %d\n", ha->num_rss);
6643 
6644         if (!ha->num_rss) {
6645 		QL_DPRINT1(ha, "Cannot update V-VPORT as active as there"
6646 			" are no Rx queues\n");
6647                 return -EINVAL;
6648         }
6649 
6650 #ifndef QLNX_SOFT_LRO
6651         hw_lro_enable = if_getcapenable(ifp) & IFCAP_LRO;
6652 #endif /* #ifndef QLNX_SOFT_LRO */
6653 
6654         rc = qlnx_start_vport(cdev, vport_id, if_getmtu(ifp), drop_ttl0_flg,
6655 			vlan_removal_en, tx_switching, hw_lro_enable);
6656 
6657         if (rc) {
6658                 QL_DPRINT1(ha, "Start V-PORT failed %d\n", rc);
6659                 return rc;
6660         }
6661 
6662 	QL_DPRINT2(ha, "Start vport ramrod passed, "
6663 		"vport_id = %d, MTU = %d, vlan_removal_en = %d\n",
6664 		vport_id, (int)(if_getmtu(ifp) + 0xe), vlan_removal_en);
6665 
6666         for_each_rss(i) {
6667 		struct ecore_rxq_start_ret_params rx_ret_params;
6668 		struct ecore_txq_start_ret_params tx_ret_params;
6669 
6670                 fp = &ha->fp_array[i];
6671         	p_hwfn = &cdev->hwfns[(fp->rss_id % cdev->num_hwfns)];
6672 
6673 		bzero(&qparams, sizeof(struct ecore_queue_start_common_params));
6674 		bzero(&rx_ret_params,
6675 			sizeof (struct ecore_rxq_start_ret_params));
6676 
6677 		qparams.queue_id = i ;
6678 		qparams.vport_id = vport_id;
6679 		qparams.stats_id = vport_id;
6680 		qparams.p_sb = fp->sb_info;
6681 		qparams.sb_idx = RX_PI;
6682 
6683 
6684 		rc = ecore_eth_rx_queue_start(p_hwfn,
6685 			p_hwfn->hw_info.opaque_fid,
6686 			&qparams,
6687 			fp->rxq->rx_buf_size,	/* bd_max_bytes */
6688 			/* bd_chain_phys_addr */
6689 			fp->rxq->rx_bd_ring.p_phys_addr,
6690 			/* cqe_pbl_addr */
6691 			ecore_chain_get_pbl_phys(&fp->rxq->rx_comp_ring),
6692 			/* cqe_pbl_size */
6693 			ecore_chain_get_page_cnt(&fp->rxq->rx_comp_ring),
6694 			&rx_ret_params);
6695 
6696                 if (rc) {
6697                 	QL_DPRINT1(ha, "Start RXQ #%d failed %d\n", i, rc);
6698                         return rc;
6699                 }
6700 
6701 		fp->rxq->hw_rxq_prod_addr	= rx_ret_params.p_prod;
6702 		fp->rxq->handle			= rx_ret_params.p_handle;
6703                 fp->rxq->hw_cons_ptr		=
6704 				&fp->sb_info->sb_virt->pi_array[RX_PI];
6705 
6706                 qlnx_update_rx_prod(p_hwfn, fp->rxq);
6707 
6708                 for (tc = 0; tc < ha->num_tc; tc++) {
6709                         struct qlnx_tx_queue *txq = fp->txq[tc];
6710 
6711 			bzero(&qparams,
6712 				sizeof(struct ecore_queue_start_common_params));
6713 			bzero(&tx_ret_params,
6714 				sizeof (struct ecore_txq_start_ret_params));
6715 
6716 			qparams.queue_id = txq->index / cdev->num_hwfns ;
6717 			qparams.vport_id = vport_id;
6718 			qparams.stats_id = vport_id;
6719 			qparams.p_sb = fp->sb_info;
6720 			qparams.sb_idx = TX_PI(tc);
6721 
6722 			rc = ecore_eth_tx_queue_start(p_hwfn,
6723 				p_hwfn->hw_info.opaque_fid,
6724 				&qparams, tc,
6725 				/* bd_chain_phys_addr */
6726 				ecore_chain_get_pbl_phys(&txq->tx_pbl),
6727 				ecore_chain_get_page_cnt(&txq->tx_pbl),
6728 				&tx_ret_params);
6729 
6730                         if (rc) {
6731                 		QL_DPRINT1(ha, "Start TXQ #%d failed %d\n",
6732 					   txq->index, rc);
6733                                 return rc;
6734                         }
6735 
6736 			txq->doorbell_addr = tx_ret_params.p_doorbell;
6737 			txq->handle = tx_ret_params.p_handle;
6738 
6739                         txq->hw_cons_ptr =
6740                                 &fp->sb_info->sb_virt->pi_array[TX_PI(tc)];
6741                         SET_FIELD(txq->tx_db.data.params,
6742                                   ETH_DB_DATA_DEST, DB_DEST_XCM);
6743                         SET_FIELD(txq->tx_db.data.params, ETH_DB_DATA_AGG_CMD,
6744                                   DB_AGG_CMD_SET);
6745                         SET_FIELD(txq->tx_db.data.params,
6746                                   ETH_DB_DATA_AGG_VAL_SEL,
6747                                   DQ_XCM_ETH_TX_BD_PROD_CMD);
6748 
6749                         txq->tx_db.data.agg_flags = DQ_XCM_ETH_DQ_CF_CMD;
6750                 }
6751         }
6752 
6753         /* Fill struct with RSS params */
6754         if (ha->num_rss > 1) {
6755                 rss_params->update_rss_config = 1;
6756                 rss_params->rss_enable = 1;
6757                 rss_params->update_rss_capabilities = 1;
6758                 rss_params->update_rss_ind_table = 1;
6759                 rss_params->update_rss_key = 1;
6760                 rss_params->rss_caps = ECORE_RSS_IPV4 | ECORE_RSS_IPV6 |
6761                                        ECORE_RSS_IPV4_TCP | ECORE_RSS_IPV6_TCP;
6762                 rss_params->rss_table_size_log = 7; /* 2^7 = 128 */
6763 
6764                 for (i = 0; i < ECORE_RSS_IND_TABLE_SIZE; i++) {
6765                 	fp = &ha->fp_array[(i % ha->num_rss)];
6766                         rss_params->rss_ind_table[i] = fp->rxq->handle;
6767 		}
6768 
6769                 for (i = 0; i < ECORE_RSS_KEY_SIZE; i++)
6770 			rss_params->rss_key[i] = (__le32)qlnx_hash_key[i];
6771 
6772         } else {
6773                 memset(rss_params, 0, sizeof(*rss_params));
6774         }
6775 
6776         /* Prepare and send the vport enable */
6777         memset(&vport_update_params, 0, sizeof(vport_update_params));
6778         vport_update_params.vport_id = vport_id;
6779         vport_update_params.update_vport_active_tx_flg = 1;
6780         vport_update_params.vport_active_tx_flg = 1;
6781         vport_update_params.update_vport_active_rx_flg = 1;
6782         vport_update_params.vport_active_rx_flg = 1;
6783         vport_update_params.rss_params = rss_params;
6784         vport_update_params.update_inner_vlan_removal_flg = 1;
6785         vport_update_params.inner_vlan_removal_flg = 1;
6786 
6787 	if (hw_lro_enable) {
6788 		memset(&tpa_params, 0, sizeof (struct ecore_sge_tpa_params));
6789 
6790 		tpa_params.max_buffers_per_cqe = QLNX_TPA_MAX_AGG_BUFFERS;
6791 
6792 		tpa_params.update_tpa_en_flg = 1;
6793 		tpa_params.tpa_ipv4_en_flg = 1;
6794 		tpa_params.tpa_ipv6_en_flg = 1;
6795 
6796 		tpa_params.update_tpa_param_flg = 1;
6797 		tpa_params.tpa_pkt_split_flg = 0;
6798 		tpa_params.tpa_hdr_data_split_flg = 0;
6799 		tpa_params.tpa_gro_consistent_flg = 0;
6800 		tpa_params.tpa_max_aggs_num = ETH_TPA_MAX_AGGS_NUM;
6801 		tpa_params.tpa_max_size = (uint16_t)(-1);
6802 		tpa_params.tpa_min_size_to_start = if_getmtu(ifp) / 2;
6803 		tpa_params.tpa_min_size_to_cont = if_getmtu(ifp) / 2;
6804 
6805 		vport_update_params.sge_tpa_params = &tpa_params;
6806 	}
6807 
6808         rc = qlnx_update_vport(cdev, &vport_update_params);
6809         if (rc) {
6810 		QL_DPRINT1(ha, "Update V-PORT failed %d\n", rc);
6811                 return rc;
6812         }
6813 
6814         return 0;
6815 }
6816 
6817 static int
qlnx_drain_txq(qlnx_host_t * ha,struct qlnx_fastpath * fp,struct qlnx_tx_queue * txq)6818 qlnx_drain_txq(qlnx_host_t *ha, struct qlnx_fastpath *fp,
6819 	struct qlnx_tx_queue *txq)
6820 {
6821 	uint16_t	hw_bd_cons;
6822 	uint16_t	ecore_cons_idx;
6823 
6824 	QL_DPRINT2(ha, "enter\n");
6825 
6826 	hw_bd_cons = le16toh(*txq->hw_cons_ptr);
6827 
6828 	while (hw_bd_cons !=
6829 		(ecore_cons_idx = ecore_chain_get_cons_idx(&txq->tx_pbl))) {
6830 		mtx_lock(&fp->tx_mtx);
6831 
6832 		(void)qlnx_tx_int(ha, fp, txq);
6833 
6834 		mtx_unlock(&fp->tx_mtx);
6835 
6836 		qlnx_mdelay(__func__, 2);
6837 
6838 		hw_bd_cons = le16toh(*txq->hw_cons_ptr);
6839 	}
6840 
6841 	QL_DPRINT2(ha, "[%d, %d]: done\n", fp->rss_id, txq->index);
6842 
6843         return 0;
6844 }
6845 
6846 static int
qlnx_stop_queues(qlnx_host_t * ha)6847 qlnx_stop_queues(qlnx_host_t *ha)
6848 {
6849         struct qlnx_update_vport_params	vport_update_params;
6850         struct ecore_dev		*cdev;
6851         struct qlnx_fastpath		*fp;
6852         int				rc, tc, i;
6853 
6854         cdev = &ha->cdev;
6855 
6856         /* Disable the vport */
6857 
6858         memset(&vport_update_params, 0, sizeof(vport_update_params));
6859 
6860         vport_update_params.vport_id = 0;
6861         vport_update_params.update_vport_active_tx_flg = 1;
6862         vport_update_params.vport_active_tx_flg = 0;
6863         vport_update_params.update_vport_active_rx_flg = 1;
6864         vport_update_params.vport_active_rx_flg = 0;
6865         vport_update_params.rss_params = &ha->rss_params;
6866         vport_update_params.rss_params->update_rss_config = 0;
6867         vport_update_params.rss_params->rss_enable = 0;
6868         vport_update_params.update_inner_vlan_removal_flg = 0;
6869         vport_update_params.inner_vlan_removal_flg = 0;
6870 
6871 	QL_DPRINT1(ha, "Update vport ID= %d\n", vport_update_params.vport_id);
6872 
6873         rc = qlnx_update_vport(cdev, &vport_update_params);
6874         if (rc) {
6875 		QL_DPRINT1(ha, "Failed to update vport\n");
6876                 return rc;
6877         }
6878 
6879         /* Flush Tx queues. If needed, request drain from MCP */
6880         for_each_rss(i) {
6881                 fp = &ha->fp_array[i];
6882 
6883                 for (tc = 0; tc < ha->num_tc; tc++) {
6884                         struct qlnx_tx_queue *txq = fp->txq[tc];
6885 
6886                         rc = qlnx_drain_txq(ha, fp, txq);
6887                         if (rc)
6888                                 return rc;
6889                 }
6890         }
6891 
6892         /* Stop all Queues in reverse order*/
6893         for (i = ha->num_rss - 1; i >= 0; i--) {
6894 		struct ecore_hwfn *p_hwfn = &cdev->hwfns[(i % cdev->num_hwfns)];
6895 
6896                 fp = &ha->fp_array[i];
6897 
6898                 /* Stop the Tx Queue(s)*/
6899                 for (tc = 0; tc < ha->num_tc; tc++) {
6900 			int tx_queue_id __unused;
6901 
6902 			tx_queue_id = tc * ha->num_rss + i;
6903 			rc = ecore_eth_tx_queue_stop(p_hwfn,
6904 					fp->txq[tc]->handle);
6905 
6906                         if (rc) {
6907 				QL_DPRINT1(ha, "Failed to stop TXQ #%d\n",
6908 					   tx_queue_id);
6909                                 return rc;
6910                         }
6911                 }
6912 
6913                 /* Stop the Rx Queue*/
6914 		rc = ecore_eth_rx_queue_stop(p_hwfn, fp->rxq->handle, false,
6915 				false);
6916                 if (rc) {
6917                         QL_DPRINT1(ha, "Failed to stop RXQ #%d\n", i);
6918                         return rc;
6919                 }
6920         }
6921 
6922         /* Stop the vport */
6923 	for_each_hwfn(cdev, i) {
6924 		struct ecore_hwfn *p_hwfn = &cdev->hwfns[i];
6925 
6926 		rc = ecore_sp_vport_stop(p_hwfn, p_hwfn->hw_info.opaque_fid, 0);
6927 
6928 		if (rc) {
6929                         QL_DPRINT1(ha, "Failed to stop VPORT\n");
6930 			return rc;
6931 		}
6932 	}
6933 
6934         return rc;
6935 }
6936 
6937 static int
qlnx_set_ucast_rx_mac(qlnx_host_t * ha,enum ecore_filter_opcode opcode,unsigned char mac[ETH_ALEN])6938 qlnx_set_ucast_rx_mac(qlnx_host_t *ha,
6939 	enum ecore_filter_opcode opcode,
6940 	unsigned char mac[ETH_ALEN])
6941 {
6942 	struct ecore_filter_ucast	ucast;
6943 	struct ecore_dev		*cdev;
6944 	int				rc;
6945 
6946 	cdev = &ha->cdev;
6947 
6948 	bzero(&ucast, sizeof(struct ecore_filter_ucast));
6949 
6950         ucast.opcode = opcode;
6951         ucast.type = ECORE_FILTER_MAC;
6952         ucast.is_rx_filter = 1;
6953         ucast.vport_to_add_to = 0;
6954         memcpy(&ucast.mac[0], mac, ETH_ALEN);
6955 
6956 	rc = ecore_filter_ucast_cmd(cdev, &ucast, ECORE_SPQ_MODE_CB, NULL);
6957 
6958         return (rc);
6959 }
6960 
6961 static int
qlnx_remove_all_ucast_mac(qlnx_host_t * ha)6962 qlnx_remove_all_ucast_mac(qlnx_host_t *ha)
6963 {
6964 	struct ecore_filter_ucast	ucast;
6965 	struct ecore_dev		*cdev;
6966 	int				rc;
6967 
6968 	bzero(&ucast, sizeof(struct ecore_filter_ucast));
6969 
6970 	ucast.opcode = ECORE_FILTER_REPLACE;
6971 	ucast.type = ECORE_FILTER_MAC;
6972 	ucast.is_rx_filter = 1;
6973 
6974 	cdev = &ha->cdev;
6975 
6976 	rc = ecore_filter_ucast_cmd(cdev, &ucast, ECORE_SPQ_MODE_CB, NULL);
6977 
6978 	return (rc);
6979 }
6980 
6981 static int
qlnx_remove_all_mcast_mac(qlnx_host_t * ha)6982 qlnx_remove_all_mcast_mac(qlnx_host_t *ha)
6983 {
6984 	struct ecore_filter_mcast	*mcast;
6985 	struct ecore_dev		*cdev;
6986 	int				rc, i;
6987 
6988 	cdev = &ha->cdev;
6989 
6990 	mcast = &ha->ecore_mcast;
6991 	bzero(mcast, sizeof(struct ecore_filter_mcast));
6992 
6993 	mcast->opcode = ECORE_FILTER_REMOVE;
6994 
6995 	for (i = 0; i < QLNX_MAX_NUM_MULTICAST_ADDRS; i++) {
6996 		if (ha->mcast[i].addr[0] || ha->mcast[i].addr[1] ||
6997 			ha->mcast[i].addr[2] || ha->mcast[i].addr[3] ||
6998 			ha->mcast[i].addr[4] || ha->mcast[i].addr[5]) {
6999 			memcpy(&mcast->mac[i][0], &ha->mcast[i].addr[0], ETH_ALEN);
7000 			mcast->num_mc_addrs++;
7001 		}
7002 	}
7003 	mcast = &ha->ecore_mcast;
7004 
7005 	rc = ecore_filter_mcast_cmd(cdev, mcast, ECORE_SPQ_MODE_CB, NULL);
7006 
7007 	bzero(ha->mcast, (sizeof(qlnx_mcast_t) * QLNX_MAX_NUM_MULTICAST_ADDRS));
7008 	ha->nmcast = 0;
7009 
7010 	return (rc);
7011 }
7012 
7013 static int
qlnx_clean_filters(qlnx_host_t * ha)7014 qlnx_clean_filters(qlnx_host_t *ha)
7015 {
7016         int	rc = 0;
7017 
7018 	/* Remove all unicast macs */
7019 	rc = qlnx_remove_all_ucast_mac(ha);
7020 	if (rc)
7021 		return rc;
7022 
7023 	/* Remove all multicast macs */
7024 	rc = qlnx_remove_all_mcast_mac(ha);
7025 	if (rc)
7026 		return rc;
7027 
7028         rc = qlnx_set_ucast_rx_mac(ha, ECORE_FILTER_FLUSH, ha->primary_mac);
7029 
7030         return (rc);
7031 }
7032 
7033 static int
qlnx_set_rx_accept_filter(qlnx_host_t * ha,uint8_t filter)7034 qlnx_set_rx_accept_filter(qlnx_host_t *ha, uint8_t filter)
7035 {
7036 	struct ecore_filter_accept_flags	accept;
7037 	int					rc = 0;
7038 	struct ecore_dev			*cdev;
7039 
7040 	cdev = &ha->cdev;
7041 
7042 	bzero(&accept, sizeof(struct ecore_filter_accept_flags));
7043 
7044 	accept.update_rx_mode_config = 1;
7045 	accept.rx_accept_filter = filter;
7046 
7047 	accept.update_tx_mode_config = 1;
7048 	accept.tx_accept_filter = ECORE_ACCEPT_UCAST_MATCHED |
7049 		ECORE_ACCEPT_MCAST_MATCHED | ECORE_ACCEPT_BCAST;
7050 
7051 	rc = ecore_filter_accept_cmd(cdev, 0, accept, false, false,
7052 			ECORE_SPQ_MODE_CB, NULL);
7053 
7054 	return (rc);
7055 }
7056 
7057 static int
qlnx_set_rx_mode(qlnx_host_t * ha)7058 qlnx_set_rx_mode(qlnx_host_t *ha)
7059 {
7060 	int	rc = 0;
7061 	uint8_t	filter;
7062 
7063 	rc = qlnx_set_ucast_rx_mac(ha, ECORE_FILTER_REPLACE, ha->primary_mac);
7064         if (rc)
7065                 return rc;
7066 
7067 	rc = qlnx_remove_all_mcast_mac(ha);
7068         if (rc)
7069                 return rc;
7070 
7071 	filter = ECORE_ACCEPT_UCAST_MATCHED |
7072 			ECORE_ACCEPT_MCAST_MATCHED |
7073 			ECORE_ACCEPT_BCAST;
7074 
7075 	if (qlnx_vf_device(ha) == 0 || (ha->ifp->if_flags & IFF_PROMISC)) {
7076 		filter |= ECORE_ACCEPT_UCAST_UNMATCHED;
7077 		filter |= ECORE_ACCEPT_MCAST_UNMATCHED;
7078 	} else if (ha->ifp->if_flags & IFF_ALLMULTI) {
7079 		filter |= ECORE_ACCEPT_MCAST_UNMATCHED;
7080 	}
7081 	ha->filter = filter;
7082 
7083 	rc = qlnx_set_rx_accept_filter(ha, filter);
7084 
7085 	return (rc);
7086 }
7087 
7088 static int
qlnx_set_link(qlnx_host_t * ha,bool link_up)7089 qlnx_set_link(qlnx_host_t *ha, bool link_up)
7090 {
7091         int			i, rc = 0;
7092 	struct ecore_dev	*cdev;
7093 	struct ecore_hwfn	*hwfn;
7094 	struct ecore_ptt	*ptt;
7095 
7096 	if (qlnx_vf_device(ha) == 0)
7097 		return (0);
7098 
7099 	cdev = &ha->cdev;
7100 
7101         for_each_hwfn(cdev, i) {
7102                 hwfn = &cdev->hwfns[i];
7103 
7104                 ptt = ecore_ptt_acquire(hwfn);
7105        	        if (!ptt)
7106                         return -EBUSY;
7107 
7108                 rc = ecore_mcp_set_link(hwfn, ptt, link_up);
7109 
7110                 ecore_ptt_release(hwfn, ptt);
7111 
7112                 if (rc)
7113                         return rc;
7114         }
7115         return (rc);
7116 }
7117 
7118 static uint64_t
qlnx_get_counter(if_t ifp,ift_counter cnt)7119 qlnx_get_counter(if_t ifp, ift_counter cnt)
7120 {
7121 	qlnx_host_t *ha;
7122 	uint64_t count;
7123 
7124         ha = (qlnx_host_t *)if_getsoftc(ifp);
7125 
7126         switch (cnt) {
7127         case IFCOUNTER_IPACKETS:
7128 		count = ha->hw_stats.common.rx_ucast_pkts +
7129 			ha->hw_stats.common.rx_mcast_pkts +
7130 			ha->hw_stats.common.rx_bcast_pkts;
7131 		break;
7132 
7133         case IFCOUNTER_IERRORS:
7134 		count = ha->hw_stats.common.rx_crc_errors +
7135 			ha->hw_stats.common.rx_align_errors +
7136 			ha->hw_stats.common.rx_oversize_packets +
7137 			ha->hw_stats.common.rx_undersize_packets;
7138 		break;
7139 
7140         case IFCOUNTER_OPACKETS:
7141 		count = ha->hw_stats.common.tx_ucast_pkts +
7142 			ha->hw_stats.common.tx_mcast_pkts +
7143 			ha->hw_stats.common.tx_bcast_pkts;
7144 		break;
7145 
7146         case IFCOUNTER_OERRORS:
7147                 count = ha->hw_stats.common.tx_err_drop_pkts;
7148 		break;
7149 
7150         case IFCOUNTER_COLLISIONS:
7151                 return (0);
7152 
7153         case IFCOUNTER_IBYTES:
7154 		count = ha->hw_stats.common.rx_ucast_bytes +
7155 			ha->hw_stats.common.rx_mcast_bytes +
7156 			ha->hw_stats.common.rx_bcast_bytes;
7157 		break;
7158 
7159         case IFCOUNTER_OBYTES:
7160 		count = ha->hw_stats.common.tx_ucast_bytes +
7161 			ha->hw_stats.common.tx_mcast_bytes +
7162 			ha->hw_stats.common.tx_bcast_bytes;
7163 		break;
7164 
7165         case IFCOUNTER_IMCASTS:
7166 		count = ha->hw_stats.common.rx_mcast_bytes;
7167 		break;
7168 
7169         case IFCOUNTER_OMCASTS:
7170 		count = ha->hw_stats.common.tx_mcast_bytes;
7171 		break;
7172 
7173         case IFCOUNTER_IQDROPS:
7174         case IFCOUNTER_OQDROPS:
7175         case IFCOUNTER_NOPROTO:
7176 
7177         default:
7178                 return (if_get_counter_default(ifp, cnt));
7179         }
7180 	return (count);
7181 }
7182 
7183 static void
qlnx_timer(void * arg)7184 qlnx_timer(void *arg)
7185 {
7186 	qlnx_host_t	*ha;
7187 
7188 	ha = (qlnx_host_t *)arg;
7189 
7190 	if (ha->error_recovery) {
7191 		ha->error_recovery = 0;
7192 		taskqueue_enqueue(ha->err_taskqueue, &ha->err_task);
7193 		return;
7194 	}
7195 
7196        	ecore_get_vport_stats(&ha->cdev, &ha->hw_stats);
7197 
7198 	if (ha->storm_stats_gather)
7199 		qlnx_sample_storm_stats(ha);
7200 
7201 	callout_reset(&ha->qlnx_callout, hz, qlnx_timer, ha);
7202 
7203 	return;
7204 }
7205 
7206 static int
qlnx_load(qlnx_host_t * ha)7207 qlnx_load(qlnx_host_t *ha)
7208 {
7209 	int			i;
7210 	int			rc = 0;
7211         device_t		dev;
7212 
7213         dev = ha->pci_dev;
7214 
7215 	QL_DPRINT2(ha, "enter\n");
7216 
7217         rc = qlnx_alloc_mem_arrays(ha);
7218         if (rc)
7219                 goto qlnx_load_exit0;
7220 
7221         qlnx_init_fp(ha);
7222 
7223         rc = qlnx_alloc_mem_load(ha);
7224         if (rc)
7225                 goto qlnx_load_exit1;
7226 
7227         QL_DPRINT2(ha, "Allocated %d RSS queues on %d TC/s\n",
7228 		   ha->num_rss, ha->num_tc);
7229 
7230 	for (i = 0; i < ha->num_rss; i++) {
7231 		if ((rc = bus_setup_intr(dev, ha->irq_vec[i].irq,
7232                         (INTR_TYPE_NET | INTR_MPSAFE),
7233                         NULL, qlnx_fp_isr, &ha->irq_vec[i],
7234                         &ha->irq_vec[i].handle))) {
7235                         QL_DPRINT1(ha, "could not setup interrupt\n");
7236                         goto qlnx_load_exit2;
7237 		}
7238 
7239 		QL_DPRINT2(ha, "rss_id = %d irq_rid %d \
7240 			 irq %p handle %p\n", i,
7241 			ha->irq_vec[i].irq_rid,
7242 			ha->irq_vec[i].irq, ha->irq_vec[i].handle);
7243 
7244 		bus_bind_intr(dev, ha->irq_vec[i].irq, (i % mp_ncpus));
7245 	}
7246 
7247         rc = qlnx_start_queues(ha);
7248         if (rc)
7249                 goto qlnx_load_exit2;
7250 
7251         QL_DPRINT2(ha, "Start VPORT, RXQ and TXQ succeeded\n");
7252 
7253         /* Add primary mac and set Rx filters */
7254         rc = qlnx_set_rx_mode(ha);
7255         if (rc)
7256                 goto qlnx_load_exit2;
7257 
7258         /* Ask for link-up using current configuration */
7259 	qlnx_set_link(ha, true);
7260 
7261 	if (qlnx_vf_device(ha) == 0)
7262 		qlnx_link_update(&ha->cdev.hwfns[0]);
7263 
7264         ha->state = QLNX_STATE_OPEN;
7265 
7266 	bzero(&ha->hw_stats, sizeof(struct ecore_eth_stats));
7267 
7268 	if (ha->flags.callout_init)
7269         	callout_reset(&ha->qlnx_callout, hz, qlnx_timer, ha);
7270 
7271         goto qlnx_load_exit0;
7272 
7273 qlnx_load_exit2:
7274         qlnx_free_mem_load(ha);
7275 
7276 qlnx_load_exit1:
7277         ha->num_rss = 0;
7278 
7279 qlnx_load_exit0:
7280 	QL_DPRINT2(ha, "exit [%d]\n", rc);
7281         return rc;
7282 }
7283 
7284 static void
qlnx_drain_soft_lro(qlnx_host_t * ha)7285 qlnx_drain_soft_lro(qlnx_host_t *ha)
7286 {
7287 #ifdef QLNX_SOFT_LRO
7288 
7289 	if_t		ifp;
7290 	int		i;
7291 
7292 	ifp = ha->ifp;
7293 
7294 	if (if_getcapenable(ifp) & IFCAP_LRO) {
7295 	        for (i = 0; i < ha->num_rss; i++) {
7296 			struct qlnx_fastpath *fp = &ha->fp_array[i];
7297 			struct lro_ctrl *lro;
7298 
7299 			lro = &fp->rxq->lro;
7300 
7301 			tcp_lro_flush_all(lro);
7302                 }
7303 	}
7304 
7305 #endif /* #ifdef QLNX_SOFT_LRO */
7306 
7307 	return;
7308 }
7309 
7310 static void
qlnx_unload(qlnx_host_t * ha)7311 qlnx_unload(qlnx_host_t *ha)
7312 {
7313 	struct ecore_dev	*cdev;
7314         device_t		dev;
7315 	int			i;
7316 
7317 	cdev = &ha->cdev;
7318         dev = ha->pci_dev;
7319 
7320 	QL_DPRINT2(ha, "enter\n");
7321         QL_DPRINT1(ha, " QLNX STATE = %d\n",ha->state);
7322 
7323 	if (ha->state == QLNX_STATE_OPEN) {
7324 		qlnx_set_link(ha, false);
7325 		qlnx_clean_filters(ha);
7326 		qlnx_stop_queues(ha);
7327 		ecore_hw_stop_fastpath(cdev);
7328 
7329 		for (i = 0; i < ha->num_rss; i++) {
7330 			if (ha->irq_vec[i].handle) {
7331 				(void)bus_teardown_intr(dev,
7332 					ha->irq_vec[i].irq,
7333 					ha->irq_vec[i].handle);
7334 				ha->irq_vec[i].handle = NULL;
7335 			}
7336 		}
7337 
7338 		qlnx_drain_fp_taskqueues(ha);
7339 		qlnx_drain_soft_lro(ha);
7340         	qlnx_free_mem_load(ha);
7341 	}
7342 
7343 	if (ha->flags.callout_init)
7344 		callout_drain(&ha->qlnx_callout);
7345 
7346 	qlnx_mdelay(__func__, 1000);
7347 
7348         ha->state = QLNX_STATE_CLOSED;
7349 
7350 	QL_DPRINT2(ha, "exit\n");
7351 	return;
7352 }
7353 
7354 static int
qlnx_grc_dumpsize(qlnx_host_t * ha,uint32_t * num_dwords,int hwfn_index)7355 qlnx_grc_dumpsize(qlnx_host_t *ha, uint32_t *num_dwords, int hwfn_index)
7356 {
7357 	int			rval = -1;
7358 	struct ecore_hwfn	*p_hwfn;
7359 	struct ecore_ptt	*p_ptt;
7360 
7361 	ecore_dbg_set_app_ver(ecore_dbg_get_fw_func_ver());
7362 
7363 	p_hwfn = &ha->cdev.hwfns[hwfn_index];
7364 	p_ptt = ecore_ptt_acquire(p_hwfn);
7365 
7366         if (!p_ptt) {
7367 		QL_DPRINT1(ha, "ecore_ptt_acquire failed\n");
7368                 return (rval);
7369         }
7370 
7371         rval = ecore_dbg_grc_get_dump_buf_size(p_hwfn, p_ptt, num_dwords);
7372 
7373 	if (rval == DBG_STATUS_OK)
7374                 rval = 0;
7375         else {
7376 		QL_DPRINT1(ha, "ecore_dbg_grc_get_dump_buf_size failed"
7377 			"[0x%x]\n", rval);
7378 	}
7379 
7380         ecore_ptt_release(p_hwfn, p_ptt);
7381 
7382         return (rval);
7383 }
7384 
7385 static int
qlnx_idle_chk_size(qlnx_host_t * ha,uint32_t * num_dwords,int hwfn_index)7386 qlnx_idle_chk_size(qlnx_host_t *ha, uint32_t *num_dwords, int hwfn_index)
7387 {
7388 	int			rval = -1;
7389 	struct ecore_hwfn	*p_hwfn;
7390 	struct ecore_ptt	*p_ptt;
7391 
7392 	ecore_dbg_set_app_ver(ecore_dbg_get_fw_func_ver());
7393 
7394 	p_hwfn = &ha->cdev.hwfns[hwfn_index];
7395 	p_ptt = ecore_ptt_acquire(p_hwfn);
7396 
7397         if (!p_ptt) {
7398 		QL_DPRINT1(ha, "ecore_ptt_acquire failed\n");
7399                 return (rval);
7400         }
7401 
7402         rval = ecore_dbg_idle_chk_get_dump_buf_size(p_hwfn, p_ptt, num_dwords);
7403 
7404 	if (rval == DBG_STATUS_OK)
7405                 rval = 0;
7406         else {
7407 		QL_DPRINT1(ha, "ecore_dbg_idle_chk_get_dump_buf_size failed"
7408 			" [0x%x]\n", rval);
7409 	}
7410 
7411         ecore_ptt_release(p_hwfn, p_ptt);
7412 
7413         return (rval);
7414 }
7415 
7416 static void
qlnx_sample_storm_stats(qlnx_host_t * ha)7417 qlnx_sample_storm_stats(qlnx_host_t *ha)
7418 {
7419         int			i, index;
7420         struct ecore_dev	*cdev;
7421 	qlnx_storm_stats_t	*s_stats;
7422 	uint32_t		reg;
7423         struct ecore_ptt	*p_ptt;
7424         struct ecore_hwfn	*hwfn;
7425 
7426 	if (ha->storm_stats_index >= QLNX_STORM_STATS_SAMPLES_PER_HWFN) {
7427 		ha->storm_stats_gather = 0;
7428 		return;
7429 	}
7430 
7431         cdev = &ha->cdev;
7432 
7433         for_each_hwfn(cdev, i) {
7434                 hwfn = &cdev->hwfns[i];
7435 
7436                 p_ptt = ecore_ptt_acquire(hwfn);
7437                 if (!p_ptt)
7438                         return;
7439 
7440 		index = ha->storm_stats_index +
7441 				(i * QLNX_STORM_STATS_SAMPLES_PER_HWFN);
7442 
7443 		s_stats = &ha->storm_stats[index];
7444 
7445 		/* XSTORM */
7446 		reg = XSEM_REG_FAST_MEMORY +
7447 				SEM_FAST_REG_STORM_ACTIVE_CYCLES_BB_K2;
7448 		s_stats->xstorm_active_cycles = ecore_rd(hwfn, p_ptt, reg);
7449 
7450 		reg = XSEM_REG_FAST_MEMORY +
7451 				SEM_FAST_REG_STORM_STALL_CYCLES_BB_K2;
7452 		s_stats->xstorm_stall_cycles = ecore_rd(hwfn, p_ptt, reg);
7453 
7454 		reg = XSEM_REG_FAST_MEMORY +
7455 				SEM_FAST_REG_IDLE_SLEEPING_CYCLES_BB_K2;
7456 		s_stats->xstorm_sleeping_cycles = ecore_rd(hwfn, p_ptt, reg);
7457 
7458 		reg = XSEM_REG_FAST_MEMORY +
7459 				SEM_FAST_REG_IDLE_INACTIVE_CYCLES_BB_K2;
7460 		s_stats->xstorm_inactive_cycles = ecore_rd(hwfn, p_ptt, reg);
7461 
7462 		/* YSTORM */
7463 		reg = YSEM_REG_FAST_MEMORY +
7464 				SEM_FAST_REG_STORM_ACTIVE_CYCLES_BB_K2;
7465 		s_stats->ystorm_active_cycles = ecore_rd(hwfn, p_ptt, reg);
7466 
7467 		reg = YSEM_REG_FAST_MEMORY +
7468 				SEM_FAST_REG_STORM_STALL_CYCLES_BB_K2;
7469 		s_stats->ystorm_stall_cycles = ecore_rd(hwfn, p_ptt, reg);
7470 
7471 		reg = YSEM_REG_FAST_MEMORY +
7472 				SEM_FAST_REG_IDLE_SLEEPING_CYCLES_BB_K2;
7473 		s_stats->ystorm_sleeping_cycles = ecore_rd(hwfn, p_ptt, reg);
7474 
7475 		reg = YSEM_REG_FAST_MEMORY +
7476 				SEM_FAST_REG_IDLE_INACTIVE_CYCLES_BB_K2;
7477 		s_stats->ystorm_inactive_cycles = ecore_rd(hwfn, p_ptt, reg);
7478 
7479 		/* PSTORM */
7480 		reg = PSEM_REG_FAST_MEMORY +
7481 				SEM_FAST_REG_STORM_ACTIVE_CYCLES_BB_K2;
7482 		s_stats->pstorm_active_cycles = ecore_rd(hwfn, p_ptt, reg);
7483 
7484 		reg = PSEM_REG_FAST_MEMORY +
7485 				SEM_FAST_REG_STORM_STALL_CYCLES_BB_K2;
7486 		s_stats->pstorm_stall_cycles = ecore_rd(hwfn, p_ptt, reg);
7487 
7488 		reg = PSEM_REG_FAST_MEMORY +
7489 				SEM_FAST_REG_IDLE_SLEEPING_CYCLES_BB_K2;
7490 		s_stats->pstorm_sleeping_cycles = ecore_rd(hwfn, p_ptt, reg);
7491 
7492 		reg = PSEM_REG_FAST_MEMORY +
7493 				SEM_FAST_REG_IDLE_INACTIVE_CYCLES_BB_K2;
7494 		s_stats->pstorm_inactive_cycles = ecore_rd(hwfn, p_ptt, reg);
7495 
7496 		/* TSTORM */
7497 		reg = TSEM_REG_FAST_MEMORY +
7498 				SEM_FAST_REG_STORM_ACTIVE_CYCLES_BB_K2;
7499 		s_stats->tstorm_active_cycles = ecore_rd(hwfn, p_ptt, reg);
7500 
7501 		reg = TSEM_REG_FAST_MEMORY +
7502 				SEM_FAST_REG_STORM_STALL_CYCLES_BB_K2;
7503 		s_stats->tstorm_stall_cycles = ecore_rd(hwfn, p_ptt, reg);
7504 
7505 		reg = TSEM_REG_FAST_MEMORY +
7506 				SEM_FAST_REG_IDLE_SLEEPING_CYCLES_BB_K2;
7507 		s_stats->tstorm_sleeping_cycles = ecore_rd(hwfn, p_ptt, reg);
7508 
7509 		reg = TSEM_REG_FAST_MEMORY +
7510 				SEM_FAST_REG_IDLE_INACTIVE_CYCLES_BB_K2;
7511 		s_stats->tstorm_inactive_cycles = ecore_rd(hwfn, p_ptt, reg);
7512 
7513 		/* MSTORM */
7514 		reg = MSEM_REG_FAST_MEMORY +
7515 				SEM_FAST_REG_STORM_ACTIVE_CYCLES_BB_K2;
7516 		s_stats->mstorm_active_cycles = ecore_rd(hwfn, p_ptt, reg);
7517 
7518 		reg = MSEM_REG_FAST_MEMORY +
7519 				SEM_FAST_REG_STORM_STALL_CYCLES_BB_K2;
7520 		s_stats->mstorm_stall_cycles = ecore_rd(hwfn, p_ptt, reg);
7521 
7522 		reg = MSEM_REG_FAST_MEMORY +
7523 				SEM_FAST_REG_IDLE_SLEEPING_CYCLES_BB_K2;
7524 		s_stats->mstorm_sleeping_cycles = ecore_rd(hwfn, p_ptt, reg);
7525 
7526 		reg = MSEM_REG_FAST_MEMORY +
7527 				SEM_FAST_REG_IDLE_INACTIVE_CYCLES_BB_K2;
7528 		s_stats->mstorm_inactive_cycles = ecore_rd(hwfn, p_ptt, reg);
7529 
7530 		/* USTORM */
7531 		reg = USEM_REG_FAST_MEMORY +
7532 				SEM_FAST_REG_STORM_ACTIVE_CYCLES_BB_K2;
7533 		s_stats->ustorm_active_cycles = ecore_rd(hwfn, p_ptt, reg);
7534 
7535 		reg = USEM_REG_FAST_MEMORY +
7536 				SEM_FAST_REG_STORM_STALL_CYCLES_BB_K2;
7537 		s_stats->ustorm_stall_cycles = ecore_rd(hwfn, p_ptt, reg);
7538 
7539 		reg = USEM_REG_FAST_MEMORY +
7540 				SEM_FAST_REG_IDLE_SLEEPING_CYCLES_BB_K2;
7541 		s_stats->ustorm_sleeping_cycles = ecore_rd(hwfn, p_ptt, reg);
7542 
7543 		reg = USEM_REG_FAST_MEMORY +
7544 				SEM_FAST_REG_IDLE_INACTIVE_CYCLES_BB_K2;
7545 		s_stats->ustorm_inactive_cycles = ecore_rd(hwfn, p_ptt, reg);
7546 
7547                 ecore_ptt_release(hwfn, p_ptt);
7548         }
7549 
7550 	ha->storm_stats_index++;
7551 
7552         return;
7553 }
7554 
7555 /*
7556  * Name: qlnx_dump_buf8
7557  * Function: dumps a buffer as bytes
7558  */
7559 static void
qlnx_dump_buf8(qlnx_host_t * ha,const char * msg,void * dbuf,uint32_t len)7560 qlnx_dump_buf8(qlnx_host_t *ha, const char *msg, void *dbuf, uint32_t len)
7561 {
7562         device_t	dev;
7563         uint32_t	i = 0;
7564         uint8_t		*buf;
7565 
7566         dev = ha->pci_dev;
7567         buf = dbuf;
7568 
7569         device_printf(dev, "%s: %s 0x%x dump start\n", __func__, msg, len);
7570 
7571         while (len >= 16) {
7572                 device_printf(dev,"0x%08x:"
7573                         " %02x %02x %02x %02x %02x %02x %02x %02x"
7574                         " %02x %02x %02x %02x %02x %02x %02x %02x\n", i,
7575                         buf[0], buf[1], buf[2], buf[3],
7576                         buf[4], buf[5], buf[6], buf[7],
7577                         buf[8], buf[9], buf[10], buf[11],
7578                         buf[12], buf[13], buf[14], buf[15]);
7579                 i += 16;
7580                 len -= 16;
7581                 buf += 16;
7582         }
7583         switch (len) {
7584         case 1:
7585                 device_printf(dev,"0x%08x: %02x\n", i, buf[0]);
7586                 break;
7587         case 2:
7588                 device_printf(dev,"0x%08x: %02x %02x\n", i, buf[0], buf[1]);
7589                 break;
7590         case 3:
7591                 device_printf(dev,"0x%08x: %02x %02x %02x\n",
7592                         i, buf[0], buf[1], buf[2]);
7593                 break;
7594         case 4:
7595                 device_printf(dev,"0x%08x: %02x %02x %02x %02x\n", i,
7596                         buf[0], buf[1], buf[2], buf[3]);
7597                 break;
7598         case 5:
7599                 device_printf(dev,"0x%08x:"
7600                         " %02x %02x %02x %02x %02x\n", i,
7601                         buf[0], buf[1], buf[2], buf[3], buf[4]);
7602                 break;
7603         case 6:
7604                 device_printf(dev,"0x%08x:"
7605                         " %02x %02x %02x %02x %02x %02x\n", i,
7606                         buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
7607                 break;
7608         case 7:
7609                 device_printf(dev,"0x%08x:"
7610                         " %02x %02x %02x %02x %02x %02x %02x\n", i,
7611                         buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6]);
7612                 break;
7613         case 8:
7614                 device_printf(dev,"0x%08x:"
7615                         " %02x %02x %02x %02x %02x %02x %02x %02x\n", i,
7616                         buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6],
7617                         buf[7]);
7618                 break;
7619         case 9:
7620                 device_printf(dev,"0x%08x:"
7621                         " %02x %02x %02x %02x %02x %02x %02x %02x"
7622                         " %02x\n", i,
7623                         buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6],
7624                         buf[7], buf[8]);
7625                 break;
7626         case 10:
7627                 device_printf(dev,"0x%08x:"
7628                         " %02x %02x %02x %02x %02x %02x %02x %02x"
7629                         " %02x %02x\n", i,
7630                         buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6],
7631                         buf[7], buf[8], buf[9]);
7632                 break;
7633         case 11:
7634                 device_printf(dev,"0x%08x:"
7635                         " %02x %02x %02x %02x %02x %02x %02x %02x"
7636                         " %02x %02x %02x\n", i,
7637                         buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6],
7638                         buf[7], buf[8], buf[9], buf[10]);
7639                 break;
7640         case 12:
7641                 device_printf(dev,"0x%08x:"
7642                         " %02x %02x %02x %02x %02x %02x %02x %02x"
7643                         " %02x %02x %02x %02x\n", i,
7644                         buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6],
7645                         buf[7], buf[8], buf[9], buf[10], buf[11]);
7646                 break;
7647         case 13:
7648                 device_printf(dev,"0x%08x:"
7649                         " %02x %02x %02x %02x %02x %02x %02x %02x"
7650                         " %02x %02x %02x %02x %02x\n", i,
7651                         buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6],
7652                         buf[7], buf[8], buf[9], buf[10], buf[11], buf[12]);
7653                 break;
7654         case 14:
7655                 device_printf(dev,"0x%08x:"
7656                         " %02x %02x %02x %02x %02x %02x %02x %02x"
7657                         " %02x %02x %02x %02x %02x %02x\n", i,
7658                         buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6],
7659                         buf[7], buf[8], buf[9], buf[10], buf[11], buf[12],
7660                         buf[13]);
7661                 break;
7662         case 15:
7663                 device_printf(dev,"0x%08x:"
7664                         " %02x %02x %02x %02x %02x %02x %02x %02x"
7665                         " %02x %02x %02x %02x %02x %02x %02x\n", i,
7666                         buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6],
7667                         buf[7], buf[8], buf[9], buf[10], buf[11], buf[12],
7668                         buf[13], buf[14]);
7669                 break;
7670         default:
7671                 break;
7672         }
7673 
7674         device_printf(dev, "%s: %s dump end\n", __func__, msg);
7675 
7676         return;
7677 }
7678 
7679 #ifdef CONFIG_ECORE_SRIOV
7680 
7681 static void
__qlnx_osal_iov_vf_cleanup(struct ecore_hwfn * p_hwfn,uint8_t rel_vf_id)7682 __qlnx_osal_iov_vf_cleanup(struct ecore_hwfn *p_hwfn, uint8_t rel_vf_id)
7683 {
7684         struct ecore_public_vf_info *vf_info;
7685 
7686         vf_info = ecore_iov_get_public_vf_info(p_hwfn, rel_vf_id, false);
7687 
7688         if (!vf_info)
7689                 return;
7690 
7691         /* Clear the VF mac */
7692         memset(vf_info->forced_mac, 0, ETH_ALEN);
7693 
7694         vf_info->forced_vlan = 0;
7695 
7696 	return;
7697 }
7698 
7699 void
qlnx_osal_iov_vf_cleanup(void * p_hwfn,uint8_t relative_vf_id)7700 qlnx_osal_iov_vf_cleanup(void *p_hwfn, uint8_t relative_vf_id)
7701 {
7702 	__qlnx_osal_iov_vf_cleanup(p_hwfn, relative_vf_id);
7703 	return;
7704 }
7705 
7706 static int
__qlnx_iov_chk_ucast(struct ecore_hwfn * p_hwfn,int vfid,struct ecore_filter_ucast * params)7707 __qlnx_iov_chk_ucast(struct ecore_hwfn *p_hwfn, int vfid,
7708 	struct ecore_filter_ucast *params)
7709 {
7710         struct ecore_public_vf_info *vf;
7711 
7712 	if (!ecore_iov_vf_has_vport_instance(p_hwfn, vfid)) {
7713 		QL_DPRINT1(((qlnx_host_t *)p_hwfn->p_dev),
7714 			"VF[%d] vport not initialized\n", vfid);
7715 		return ECORE_INVAL;
7716 	}
7717 
7718         vf = ecore_iov_get_public_vf_info(p_hwfn, vfid, true);
7719         if (!vf)
7720                 return -EINVAL;
7721 
7722         /* No real decision to make; Store the configured MAC */
7723         if (params->type == ECORE_FILTER_MAC ||
7724             params->type == ECORE_FILTER_MAC_VLAN)
7725                 memcpy(params->mac, vf->forced_mac, ETH_ALEN);
7726 
7727         return 0;
7728 }
7729 
7730 int
qlnx_iov_chk_ucast(void * p_hwfn,int vfid,void * params)7731 qlnx_iov_chk_ucast(void *p_hwfn, int vfid, void *params)
7732 {
7733 	return (__qlnx_iov_chk_ucast(p_hwfn, vfid, params));
7734 }
7735 
7736 static int
__qlnx_iov_update_vport(struct ecore_hwfn * hwfn,uint8_t vfid,struct ecore_sp_vport_update_params * params,uint16_t * tlvs)7737 __qlnx_iov_update_vport(struct ecore_hwfn *hwfn, uint8_t vfid,
7738         struct ecore_sp_vport_update_params *params, uint16_t * tlvs)
7739 {
7740 	if (!ecore_iov_vf_has_vport_instance(hwfn, vfid)) {
7741 		QL_DPRINT1(((qlnx_host_t *)hwfn->p_dev),
7742 			"VF[%d] vport not initialized\n", vfid);
7743 		return ECORE_INVAL;
7744 	}
7745 
7746         /* Untrusted VFs can't even be trusted to know that fact.
7747          * Simply indicate everything is configured fine, and trace
7748          * configuration 'behind their back'.
7749          */
7750         if (!(*tlvs & BIT(ECORE_IOV_VP_UPDATE_ACCEPT_PARAM)))
7751                 return 0;
7752 
7753         return 0;
7754 
7755 }
7756 int
qlnx_iov_update_vport(void * hwfn,uint8_t vfid,void * params,uint16_t * tlvs)7757 qlnx_iov_update_vport(void *hwfn, uint8_t vfid, void *params, uint16_t *tlvs)
7758 {
7759 	return(__qlnx_iov_update_vport(hwfn, vfid, params, tlvs));
7760 }
7761 
7762 static int
qlnx_find_hwfn_index(struct ecore_hwfn * p_hwfn)7763 qlnx_find_hwfn_index(struct ecore_hwfn *p_hwfn)
7764 {
7765 	int			i;
7766 	struct ecore_dev	*cdev;
7767 
7768 	cdev = p_hwfn->p_dev;
7769 
7770 	for (i = 0; i < cdev->num_hwfns; i++) {
7771 		if (&cdev->hwfns[i] == p_hwfn)
7772 			break;
7773 	}
7774 
7775 	if (i >= cdev->num_hwfns)
7776 		return (-1);
7777 
7778 	return (i);
7779 }
7780 
7781 static int
__qlnx_pf_vf_msg(struct ecore_hwfn * p_hwfn,uint16_t rel_vf_id)7782 __qlnx_pf_vf_msg(struct ecore_hwfn *p_hwfn, uint16_t rel_vf_id)
7783 {
7784 	qlnx_host_t *ha = (qlnx_host_t *)p_hwfn->p_dev;
7785 	int i;
7786 
7787 	QL_DPRINT2(ha, "ha = %p cdev = %p p_hwfn = %p rel_vf_id = %d\n",
7788 		ha, p_hwfn->p_dev, p_hwfn, rel_vf_id);
7789 
7790 	if ((i = qlnx_find_hwfn_index(p_hwfn)) == -1)
7791 		return (-1);
7792 
7793 	if (ha->sriov_task[i].pf_taskqueue != NULL) {
7794 		atomic_testandset_32(&ha->sriov_task[i].flags,
7795 			QLNX_SRIOV_TASK_FLAGS_VF_PF_MSG);
7796 
7797 		taskqueue_enqueue(ha->sriov_task[i].pf_taskqueue,
7798 			&ha->sriov_task[i].pf_task);
7799 	}
7800 
7801 	return (ECORE_SUCCESS);
7802 }
7803 
7804 int
qlnx_pf_vf_msg(void * p_hwfn,uint16_t relative_vf_id)7805 qlnx_pf_vf_msg(void *p_hwfn, uint16_t relative_vf_id)
7806 {
7807 	return (__qlnx_pf_vf_msg(p_hwfn, relative_vf_id));
7808 }
7809 
7810 static void
__qlnx_vf_flr_update(struct ecore_hwfn * p_hwfn)7811 __qlnx_vf_flr_update(struct ecore_hwfn *p_hwfn)
7812 {
7813 	qlnx_host_t *ha = (qlnx_host_t *)p_hwfn->p_dev;
7814 	int i;
7815 
7816 	if (!ha->sriov_initialized)
7817 		return;
7818 
7819 	QL_DPRINT2(ha,  "ha = %p cdev = %p p_hwfn = %p \n",
7820 		ha, p_hwfn->p_dev, p_hwfn);
7821 
7822 	if ((i = qlnx_find_hwfn_index(p_hwfn)) == -1)
7823 		return;
7824 
7825 	if (ha->sriov_task[i].pf_taskqueue != NULL) {
7826 		atomic_testandset_32(&ha->sriov_task[i].flags,
7827 			QLNX_SRIOV_TASK_FLAGS_VF_FLR_UPDATE);
7828 
7829 		taskqueue_enqueue(ha->sriov_task[i].pf_taskqueue,
7830 			&ha->sriov_task[i].pf_task);
7831 	}
7832 
7833 	return;
7834 }
7835 
7836 void
qlnx_vf_flr_update(void * p_hwfn)7837 qlnx_vf_flr_update(void *p_hwfn)
7838 {
7839 	__qlnx_vf_flr_update(p_hwfn);
7840 
7841 	return;
7842 }
7843 
7844 #ifndef QLNX_VF
7845 
7846 static void
qlnx_vf_bulleting_update(struct ecore_hwfn * p_hwfn)7847 qlnx_vf_bulleting_update(struct ecore_hwfn *p_hwfn)
7848 {
7849 	qlnx_host_t *ha = (qlnx_host_t *)p_hwfn->p_dev;
7850 	int i;
7851 
7852 	QL_DPRINT2(ha,  "ha = %p cdev = %p p_hwfn = %p \n",
7853 		ha, p_hwfn->p_dev, p_hwfn);
7854 
7855 	if ((i = qlnx_find_hwfn_index(p_hwfn)) == -1)
7856 		return;
7857 
7858 	QL_DPRINT2(ha,  "ha = %p cdev = %p p_hwfn = %p i = %d\n",
7859 		ha, p_hwfn->p_dev, p_hwfn, i);
7860 
7861 	if (ha->sriov_task[i].pf_taskqueue != NULL) {
7862 		atomic_testandset_32(&ha->sriov_task[i].flags,
7863 			QLNX_SRIOV_TASK_FLAGS_BULLETIN_UPDATE);
7864 
7865 		taskqueue_enqueue(ha->sriov_task[i].pf_taskqueue,
7866 			&ha->sriov_task[i].pf_task);
7867 	}
7868 }
7869 
7870 static void
qlnx_initialize_sriov(qlnx_host_t * ha)7871 qlnx_initialize_sriov(qlnx_host_t *ha)
7872 {
7873 	device_t	dev;
7874 	nvlist_t	*pf_schema, *vf_schema;
7875 	int		iov_error;
7876 
7877 	dev = ha->pci_dev;
7878 
7879 	pf_schema = pci_iov_schema_alloc_node();
7880 	vf_schema = pci_iov_schema_alloc_node();
7881 
7882 	pci_iov_schema_add_unicast_mac(vf_schema, "mac-addr", 0, NULL);
7883 	pci_iov_schema_add_bool(vf_schema, "allow-set-mac",
7884 		IOV_SCHEMA_HASDEFAULT, FALSE);
7885 	pci_iov_schema_add_bool(vf_schema, "allow-promisc",
7886 		IOV_SCHEMA_HASDEFAULT, FALSE);
7887 	pci_iov_schema_add_uint16(vf_schema, "num-queues",
7888 		IOV_SCHEMA_HASDEFAULT, 1);
7889 
7890 	iov_error = pci_iov_attach(dev, pf_schema, vf_schema);
7891 
7892 	if (iov_error != 0) {
7893 		ha->sriov_initialized = 0;
7894 	} else {
7895 		device_printf(dev, "SRIOV initialized\n");
7896 		ha->sriov_initialized = 1;
7897 	}
7898 
7899 	return;
7900 }
7901 
7902 static void
qlnx_sriov_disable(qlnx_host_t * ha)7903 qlnx_sriov_disable(qlnx_host_t *ha)
7904 {
7905 	struct ecore_dev *cdev;
7906 	int i, j;
7907 
7908 	cdev = &ha->cdev;
7909 
7910 	ecore_iov_set_vfs_to_disable(cdev, true);
7911 
7912 	for_each_hwfn(cdev, i) {
7913 		struct ecore_hwfn *hwfn = &cdev->hwfns[i];
7914 		struct ecore_ptt *ptt = ecore_ptt_acquire(hwfn);
7915 
7916 		if (!ptt) {
7917 			QL_DPRINT1(ha, "Failed to acquire ptt\n");
7918 			return;
7919 		}
7920 		/* Clean WFQ db and configure equal weight for all vports */
7921 		ecore_clean_wfq_db(hwfn, ptt);
7922 
7923 		ecore_for_each_vf(hwfn, j) {
7924 			int k = 0;
7925 
7926 			if (!ecore_iov_is_valid_vfid(hwfn, j, true, false))
7927 				continue;
7928 
7929 			if (ecore_iov_is_vf_started(hwfn, j)) {
7930 				/* Wait until VF is disabled before releasing */
7931 
7932 				for (k = 0; k < 100; k++) {
7933 					if (!ecore_iov_is_vf_stopped(hwfn, j)) {
7934 						qlnx_mdelay(__func__, 10);
7935 					} else
7936 						break;
7937 				}
7938 			}
7939 
7940 			if (k < 100)
7941 				ecore_iov_release_hw_for_vf(&cdev->hwfns[i],
7942                                                           ptt, j);
7943 			else {
7944 				QL_DPRINT1(ha,
7945 					"Timeout waiting for VF's FLR to end\n");
7946 			}
7947 		}
7948 		ecore_ptt_release(hwfn, ptt);
7949 	}
7950 
7951 	ecore_iov_set_vfs_to_disable(cdev, false);
7952 
7953 	return;
7954 }
7955 
7956 static void
qlnx_sriov_enable_qid_config(struct ecore_hwfn * hwfn,u16 vfid,struct ecore_iov_vf_init_params * params)7957 qlnx_sriov_enable_qid_config(struct ecore_hwfn *hwfn, u16 vfid,
7958 	struct ecore_iov_vf_init_params *params)
7959 {
7960         u16 base, i;
7961 
7962         /* Since we have an equal resource distribution per-VF, and we assume
7963          * PF has acquired the ECORE_PF_L2_QUE first queues, we start setting
7964          * sequentially from there.
7965          */
7966         base = FEAT_NUM(hwfn, ECORE_PF_L2_QUE) + vfid * params->num_queues;
7967 
7968         params->rel_vf_id = vfid;
7969 
7970         for (i = 0; i < params->num_queues; i++) {
7971                 params->req_rx_queue[i] = base + i;
7972                 params->req_tx_queue[i] = base + i;
7973         }
7974 
7975         /* PF uses indices 0 for itself; Set vport/RSS afterwards */
7976         params->vport_id = vfid + 1;
7977         params->rss_eng_id = vfid + 1;
7978 
7979 	return;
7980 }
7981 
7982 static int
qlnx_iov_init(device_t dev,uint16_t num_vfs,const nvlist_t * nvlist_params)7983 qlnx_iov_init(device_t dev, uint16_t num_vfs, const nvlist_t *nvlist_params)
7984 {
7985 	qlnx_host_t		*ha;
7986 	struct ecore_dev	*cdev;
7987 	struct ecore_iov_vf_init_params params;
7988 	int ret, j, i;
7989 	uint32_t max_vfs;
7990 
7991 	if ((ha = device_get_softc(dev)) == NULL) {
7992 		device_printf(dev, "%s: cannot get softc\n", __func__);
7993 		return (-1);
7994 	}
7995 
7996 	if (qlnx_create_pf_taskqueues(ha) != 0)
7997 		goto qlnx_iov_init_err0;
7998 
7999 	cdev = &ha->cdev;
8000 
8001 	max_vfs = RESC_NUM(&cdev->hwfns[0], ECORE_VPORT);
8002 
8003 	QL_DPRINT2(ha," dev = %p enter num_vfs = %d max_vfs = %d\n",
8004 		dev, num_vfs, max_vfs);
8005 
8006         if (num_vfs >= max_vfs) {
8007                 QL_DPRINT1(ha, "Can start at most %d VFs\n",
8008                           (RESC_NUM(&cdev->hwfns[0], ECORE_VPORT) - 1));
8009 		goto qlnx_iov_init_err0;
8010         }
8011 
8012 	ha->vf_attr =  malloc(((sizeof (qlnx_vf_attr_t) * num_vfs)), M_QLNXBUF,
8013 				M_NOWAIT);
8014 
8015 	if (ha->vf_attr == NULL)
8016 		goto qlnx_iov_init_err0;
8017 
8018         memset(&params, 0, sizeof(params));
8019 
8020         /* Initialize HW for VF access */
8021         for_each_hwfn(cdev, j) {
8022                 struct ecore_hwfn *hwfn = &cdev->hwfns[j];
8023                 struct ecore_ptt *ptt = ecore_ptt_acquire(hwfn);
8024 
8025                 /* Make sure not to use more than 16 queues per VF */
8026                 params.num_queues = min_t(int,
8027                                           (FEAT_NUM(hwfn, ECORE_VF_L2_QUE) / num_vfs),
8028                                           16);
8029 
8030                 if (!ptt) {
8031                         QL_DPRINT1(ha, "Failed to acquire ptt\n");
8032                         goto qlnx_iov_init_err1;
8033                 }
8034 
8035                 for (i = 0; i < num_vfs; i++) {
8036                         if (!ecore_iov_is_valid_vfid(hwfn, i, false, true))
8037                                 continue;
8038 
8039                         qlnx_sriov_enable_qid_config(hwfn, i, &params);
8040 
8041                         ret = ecore_iov_init_hw_for_vf(hwfn, ptt, &params);
8042 
8043                         if (ret) {
8044                                 QL_DPRINT1(ha, "Failed to enable VF[%d]\n", i);
8045                                 ecore_ptt_release(hwfn, ptt);
8046                                 goto qlnx_iov_init_err1;
8047                         }
8048                 }
8049 
8050                 ecore_ptt_release(hwfn, ptt);
8051         }
8052 
8053 	ha->num_vfs = num_vfs;
8054 	qlnx_inform_vf_link_state(&cdev->hwfns[0], ha);
8055 
8056 	QL_DPRINT2(ha," dev = %p exit num_vfs = %d\n", dev, num_vfs);
8057 
8058 	return (0);
8059 
8060 qlnx_iov_init_err1:
8061 	qlnx_sriov_disable(ha);
8062 
8063 qlnx_iov_init_err0:
8064 	qlnx_destroy_pf_taskqueues(ha);
8065 	ha->num_vfs = 0;
8066 
8067 	return (-1);
8068 }
8069 
8070 static void
qlnx_iov_uninit(device_t dev)8071 qlnx_iov_uninit(device_t dev)
8072 {
8073 	qlnx_host_t	*ha;
8074 
8075 	if ((ha = device_get_softc(dev)) == NULL) {
8076 		device_printf(dev, "%s: cannot get softc\n", __func__);
8077 		return;
8078 	}
8079 
8080 	QL_DPRINT2(ha," dev = %p enter\n", dev);
8081 
8082 	qlnx_sriov_disable(ha);
8083 	qlnx_destroy_pf_taskqueues(ha);
8084 
8085 	free(ha->vf_attr, M_QLNXBUF);
8086 	ha->vf_attr = NULL;
8087 
8088 	ha->num_vfs = 0;
8089 
8090 	QL_DPRINT2(ha," dev = %p exit\n", dev);
8091 	return;
8092 }
8093 
8094 static int
qlnx_iov_add_vf(device_t dev,uint16_t vfnum,const nvlist_t * params)8095 qlnx_iov_add_vf(device_t dev, uint16_t vfnum, const nvlist_t *params)
8096 {
8097 	qlnx_host_t	*ha;
8098 	qlnx_vf_attr_t	*vf_attr;
8099 	unsigned const char *mac;
8100 	size_t size;
8101 	struct ecore_hwfn *p_hwfn;
8102 
8103 	if ((ha = device_get_softc(dev)) == NULL) {
8104 		device_printf(dev, "%s: cannot get softc\n", __func__);
8105 		return (-1);
8106 	}
8107 
8108 	QL_DPRINT2(ha," dev = %p enter vfnum = %d\n", dev, vfnum);
8109 
8110 	if (vfnum > (ha->num_vfs - 1)) {
8111 		QL_DPRINT1(ha, " VF[%d] is greater than max allowed [%d]\n",
8112 			vfnum, (ha->num_vfs - 1));
8113 	}
8114 
8115 	vf_attr = &ha->vf_attr[vfnum];
8116 
8117         if (nvlist_exists_binary(params, "mac-addr")) {
8118                 mac = nvlist_get_binary(params, "mac-addr", &size);
8119                 bcopy(mac, vf_attr->mac_addr, ETHER_ADDR_LEN);
8120 		device_printf(dev,
8121 			"%s: mac_addr = %02x:%02x:%02x:%02x:%02x:%02x\n",
8122 			__func__, vf_attr->mac_addr[0],
8123 			vf_attr->mac_addr[1], vf_attr->mac_addr[2],
8124 			vf_attr->mac_addr[3], vf_attr->mac_addr[4],
8125 			vf_attr->mac_addr[5]);
8126 		p_hwfn = &ha->cdev.hwfns[0];
8127 		ecore_iov_bulletin_set_mac(p_hwfn, vf_attr->mac_addr,
8128 			vfnum);
8129 	}
8130 
8131 	QL_DPRINT2(ha," dev = %p exit vfnum = %d\n", dev, vfnum);
8132 	return (0);
8133 }
8134 
8135 static void
qlnx_handle_vf_msg(qlnx_host_t * ha,struct ecore_hwfn * p_hwfn)8136 qlnx_handle_vf_msg(qlnx_host_t *ha, struct ecore_hwfn *p_hwfn)
8137 {
8138         uint64_t events[ECORE_VF_ARRAY_LENGTH];
8139         struct ecore_ptt *ptt;
8140         int i;
8141 
8142         ptt = ecore_ptt_acquire(p_hwfn);
8143         if (!ptt) {
8144                 QL_DPRINT1(ha, "Can't acquire PTT; re-scheduling\n");
8145 		__qlnx_pf_vf_msg(p_hwfn, 0);
8146                 return;
8147         }
8148 
8149         ecore_iov_pf_get_pending_events(p_hwfn, events);
8150 
8151         QL_DPRINT2(ha, "Event mask of VF events:"
8152 		"0x%" PRIu64 "0x%" PRIu64 " 0x%" PRIu64 "\n",
8153                    events[0], events[1], events[2]);
8154 
8155         ecore_for_each_vf(p_hwfn, i) {
8156                 /* Skip VFs with no pending messages */
8157                 if (!(events[i / 64] & (1ULL << (i % 64))))
8158                         continue;
8159 
8160 		QL_DPRINT2(ha,
8161                            "Handling VF message from VF 0x%02x [Abs 0x%02x]\n",
8162                            i, p_hwfn->p_dev->p_iov_info->first_vf_in_pf + i);
8163 
8164                 /* Copy VF's message to PF's request buffer for that VF */
8165                 if (ecore_iov_copy_vf_msg(p_hwfn, ptt, i))
8166                         continue;
8167 
8168                 ecore_iov_process_mbx_req(p_hwfn, ptt, i);
8169         }
8170 
8171         ecore_ptt_release(p_hwfn, ptt);
8172 
8173 	return;
8174 }
8175 
8176 static void
qlnx_handle_vf_flr_update(qlnx_host_t * ha,struct ecore_hwfn * p_hwfn)8177 qlnx_handle_vf_flr_update(qlnx_host_t *ha, struct ecore_hwfn *p_hwfn)
8178 {
8179         struct ecore_ptt *ptt;
8180 	int ret;
8181 
8182 	ptt = ecore_ptt_acquire(p_hwfn);
8183 
8184 	if (!ptt) {
8185                 QL_DPRINT1(ha, "Can't acquire PTT; re-scheduling\n");
8186 		__qlnx_vf_flr_update(p_hwfn);
8187                 return;
8188 	}
8189 
8190 	ret = ecore_iov_vf_flr_cleanup(p_hwfn, ptt);
8191 
8192 	if (ret) {
8193                 QL_DPRINT1(ha, "ecore_iov_vf_flr_cleanup failed; re-scheduling\n");
8194 	}
8195 
8196 	ecore_ptt_release(p_hwfn, ptt);
8197 
8198 	return;
8199 }
8200 
8201 static void
qlnx_handle_bulletin_update(qlnx_host_t * ha,struct ecore_hwfn * p_hwfn)8202 qlnx_handle_bulletin_update(qlnx_host_t *ha, struct ecore_hwfn *p_hwfn)
8203 {
8204         struct ecore_ptt *ptt;
8205 	int i;
8206 
8207 	ptt = ecore_ptt_acquire(p_hwfn);
8208 
8209 	if (!ptt) {
8210                 QL_DPRINT1(ha, "Can't acquire PTT; re-scheduling\n");
8211 		qlnx_vf_bulleting_update(p_hwfn);
8212                 return;
8213 	}
8214 
8215 	ecore_for_each_vf(p_hwfn, i) {
8216 		QL_DPRINT1(ha, "ecore_iov_post_vf_bulletin[%p, %d]\n",
8217 			p_hwfn, i);
8218 		ecore_iov_post_vf_bulletin(p_hwfn, i, ptt);
8219 	}
8220 
8221 	ecore_ptt_release(p_hwfn, ptt);
8222 
8223 	return;
8224 }
8225 
8226 static void
qlnx_pf_taskqueue(void * context,int pending)8227 qlnx_pf_taskqueue(void *context, int pending)
8228 {
8229 	struct ecore_hwfn	*p_hwfn;
8230 	qlnx_host_t		*ha;
8231 	int			i;
8232 
8233 	p_hwfn = context;
8234 
8235 	if (p_hwfn == NULL)
8236 		return;
8237 
8238 	ha = (qlnx_host_t *)(p_hwfn->p_dev);
8239 
8240 	if ((i = qlnx_find_hwfn_index(p_hwfn)) == -1)
8241 		return;
8242 
8243 	if (atomic_testandclear_32(&ha->sriov_task[i].flags,
8244 		QLNX_SRIOV_TASK_FLAGS_VF_PF_MSG))
8245 		qlnx_handle_vf_msg(ha, p_hwfn);
8246 
8247 	if (atomic_testandclear_32(&ha->sriov_task[i].flags,
8248 		QLNX_SRIOV_TASK_FLAGS_VF_FLR_UPDATE))
8249 		qlnx_handle_vf_flr_update(ha, p_hwfn);
8250 
8251 	if (atomic_testandclear_32(&ha->sriov_task[i].flags,
8252 		QLNX_SRIOV_TASK_FLAGS_BULLETIN_UPDATE))
8253 		qlnx_handle_bulletin_update(ha, p_hwfn);
8254 
8255 	return;
8256 }
8257 
8258 static int
qlnx_create_pf_taskqueues(qlnx_host_t * ha)8259 qlnx_create_pf_taskqueues(qlnx_host_t *ha)
8260 {
8261 	int	i;
8262 	uint8_t	tq_name[32];
8263 
8264 	for (i = 0; i < ha->cdev.num_hwfns; i++) {
8265                 struct ecore_hwfn *p_hwfn = &ha->cdev.hwfns[i];
8266 
8267 		bzero(tq_name, sizeof (tq_name));
8268 		snprintf(tq_name, sizeof (tq_name), "ql_pf_tq_%d", i);
8269 
8270 		TASK_INIT(&ha->sriov_task[i].pf_task, 0, qlnx_pf_taskqueue, p_hwfn);
8271 
8272 		ha->sriov_task[i].pf_taskqueue = taskqueue_create(tq_name, M_NOWAIT,
8273 			 taskqueue_thread_enqueue,
8274 			&ha->sriov_task[i].pf_taskqueue);
8275 
8276 		if (ha->sriov_task[i].pf_taskqueue == NULL)
8277 			return (-1);
8278 
8279 		taskqueue_start_threads(&ha->sriov_task[i].pf_taskqueue, 1,
8280 			PI_NET, "%s", tq_name);
8281 
8282 		QL_DPRINT1(ha, "%p\n", ha->sriov_task[i].pf_taskqueue);
8283 	}
8284 
8285 	return (0);
8286 }
8287 
8288 static void
qlnx_destroy_pf_taskqueues(qlnx_host_t * ha)8289 qlnx_destroy_pf_taskqueues(qlnx_host_t *ha)
8290 {
8291 	int	i;
8292 
8293 	for (i = 0; i < ha->cdev.num_hwfns; i++) {
8294 		if (ha->sriov_task[i].pf_taskqueue != NULL) {
8295 			taskqueue_drain(ha->sriov_task[i].pf_taskqueue,
8296 				&ha->sriov_task[i].pf_task);
8297 			taskqueue_free(ha->sriov_task[i].pf_taskqueue);
8298 			ha->sriov_task[i].pf_taskqueue = NULL;
8299 		}
8300 	}
8301 	return;
8302 }
8303 
8304 static void
qlnx_inform_vf_link_state(struct ecore_hwfn * p_hwfn,qlnx_host_t * ha)8305 qlnx_inform_vf_link_state(struct ecore_hwfn *p_hwfn, qlnx_host_t *ha)
8306 {
8307 	struct ecore_mcp_link_capabilities caps;
8308 	struct ecore_mcp_link_params params;
8309 	struct ecore_mcp_link_state link;
8310 	int i;
8311 
8312 	if (!p_hwfn->pf_iov_info)
8313 		return;
8314 
8315 	memset(&params, 0, sizeof(struct ecore_mcp_link_params));
8316 	memset(&link, 0, sizeof(struct ecore_mcp_link_state));
8317 	memset(&caps, 0, sizeof(struct ecore_mcp_link_capabilities));
8318 
8319 	memcpy(&caps, ecore_mcp_get_link_capabilities(p_hwfn), sizeof(caps));
8320         memcpy(&link, ecore_mcp_get_link_state(p_hwfn), sizeof(link));
8321         memcpy(&params, ecore_mcp_get_link_params(p_hwfn), sizeof(params));
8322 
8323 	QL_DPRINT2(ha, "called\n");
8324 
8325         /* Update bulletin of all future possible VFs with link configuration */
8326         for (i = 0; i < p_hwfn->p_dev->p_iov_info->total_vfs; i++) {
8327                 /* Modify link according to the VF's configured link state */
8328 
8329                 link.link_up = false;
8330 
8331                 if (ha->link_up) {
8332                         link.link_up = true;
8333                         /* Set speed according to maximum supported by HW.
8334                          * that is 40G for regular devices and 100G for CMT
8335                          * mode devices.
8336                          */
8337                         link.speed = (p_hwfn->p_dev->num_hwfns > 1) ?
8338 						100000 : link.speed;
8339 		}
8340 		QL_DPRINT2(ha, "link [%d] = %d\n", i, link.link_up);
8341                 ecore_iov_set_link(p_hwfn, i, &params, &link, &caps);
8342         }
8343 
8344 	qlnx_vf_bulleting_update(p_hwfn);
8345 
8346 	return;
8347 }
8348 #endif /* #ifndef QLNX_VF */
8349 #endif /* #ifdef CONFIG_ECORE_SRIOV */
8350