xref: /freebsd/sys/dev/axgbe/if_axgbe_pci.c (revision c7a26368)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2020 Advanced Micro Devices, Inc.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * 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 AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  *
27  * Contact Information :
28  * Rajesh Kumar <rajesh1.kumar@amd.com>
29  * Shreyank Amartya <Shreyank.Amartya@amd.com>
30  */
31 
32 #include <sys/param.h>
33 #include <sys/bus.h>
34 #include <sys/kernel.h>
35 #include <sys/malloc.h>
36 #include <sys/module.h>
37 #include <sys/mutex.h>
38 #include <sys/rman.h>
39 #include <sys/smp.h>
40 #include <sys/socket.h>
41 #include <sys/sysctl.h>
42 #include <sys/systm.h>
43 
44 #include <net/if.h>
45 #include <net/if_media.h>
46 
47 #include <dev/mii/mii.h>
48 #include <dev/mii/miivar.h>
49 
50 #include <dev/pci/pcireg.h>
51 #include <dev/pci/pcivar.h>
52 
53 #include "xgbe.h"
54 #include "xgbe-common.h"
55 
56 #include "miibus_if.h"
57 #include "ifdi_if.h"
58 #include "opt_inet.h"
59 #include "opt_inet6.h"
60 #include "opt_rss.h"
61 
62 #ifdef RSS
63 #include <net/rss_config.h>
64 #include <netinet/in_rss.h>
65 #endif
66 
67 MALLOC_DEFINE(M_AXGBE, "axgbe", "axgbe data");
68 
69 extern struct if_txrx axgbe_txrx;
70 static int axgbe_sph_enable;
71 
72 /* Function prototypes */
73 static void *axgbe_register(device_t);
74 static int axgbe_if_attach_pre(if_ctx_t);
75 static int axgbe_if_attach_post(if_ctx_t);
76 static int axgbe_if_detach(if_ctx_t);
77 static void axgbe_if_stop(if_ctx_t);
78 static void axgbe_if_init(if_ctx_t);
79 
80 /* Queue related routines */
81 static int axgbe_if_tx_queues_alloc(if_ctx_t, caddr_t *, uint64_t *, int, int);
82 static int axgbe_if_rx_queues_alloc(if_ctx_t, caddr_t *, uint64_t *, int, int);
83 static int axgbe_alloc_channels(if_ctx_t);
84 static void axgbe_free_channels(struct axgbe_if_softc *);
85 static void axgbe_if_queues_free(if_ctx_t);
86 static int axgbe_if_tx_queue_intr_enable(if_ctx_t, uint16_t);
87 static int axgbe_if_rx_queue_intr_enable(if_ctx_t, uint16_t);
88 
89 /* Interrupt related routines */
90 static void axgbe_if_disable_intr(if_ctx_t);
91 static void axgbe_if_enable_intr(if_ctx_t);
92 static int axgbe_if_msix_intr_assign(if_ctx_t, int);
93 static void xgbe_free_intr(struct xgbe_prv_data *, struct resource *, void *, int);
94 
95 /* Init and Iflib routines */
96 static void axgbe_pci_init(struct xgbe_prv_data *);
97 static void axgbe_pci_stop(if_ctx_t);
98 static void xgbe_disable_rx_tx_int(struct xgbe_prv_data *, struct xgbe_channel *);
99 static void xgbe_disable_rx_tx_ints(struct xgbe_prv_data *);
100 static int axgbe_if_mtu_set(if_ctx_t, uint32_t);
101 static void axgbe_if_update_admin_status(if_ctx_t);
102 static void axgbe_if_media_status(if_ctx_t, struct ifmediareq *);
103 static int axgbe_if_media_change(if_ctx_t);
104 static int axgbe_if_promisc_set(if_ctx_t, int);
105 static uint64_t axgbe_if_get_counter(if_ctx_t, ift_counter);
106 static void axgbe_if_vlan_register(if_ctx_t, uint16_t);
107 static void axgbe_if_vlan_unregister(if_ctx_t, uint16_t);
108 #if __FreeBSD_version >= 1300000
109 static bool axgbe_if_needs_restart(if_ctx_t, enum iflib_restart_event);
110 #endif
111 static void axgbe_set_counts(if_ctx_t);
112 static void axgbe_init_iflib_softc_ctx(struct axgbe_if_softc *);
113 static void axgbe_initialize_rss_mapping(struct xgbe_prv_data *);
114 
115 /* MII interface registered functions */
116 static int axgbe_miibus_readreg(device_t, int, int);
117 static int axgbe_miibus_writereg(device_t, int, int, int);
118 static void axgbe_miibus_statchg(device_t);
119 
120 /* ISR routines */
121 static int axgbe_dev_isr(void *);
122 static void axgbe_ecc_isr(void *);
123 static void axgbe_i2c_isr(void *);
124 static void axgbe_an_isr(void *);
125 static int axgbe_msix_que(void *);
126 
127 /* Timer routines */
128 static void xgbe_service(void *, int);
129 static void xgbe_service_timer(void *);
130 static void xgbe_init_timers(struct xgbe_prv_data *);
131 static void xgbe_stop_timers(struct xgbe_prv_data *);
132 
133 /* Dump routines */
134 static void xgbe_dump_prop_registers(struct xgbe_prv_data *);
135 
136 /*
137  * Allocate only for MAC (BAR0) and PCS (BAR1) registers, and just point the
138  * MSI-X table bar  (BAR5) to iflib. iflib will do the allocation for MSI-X
139  * table.
140  */
141 static struct resource_spec axgbe_pci_mac_spec[] = {
142 	{ SYS_RES_MEMORY, PCIR_BAR(0), RF_ACTIVE }, /* MAC regs */
143 	{ SYS_RES_MEMORY, PCIR_BAR(1), RF_ACTIVE }, /* PCS regs */
144 	{ -1, 0 }
145 };
146 
147 static const pci_vendor_info_t axgbe_vendor_info_array[] =
148 {
149 	PVID(0x1022, 0x1458,  "AMD 10 Gigabit Ethernet Driver"),
150 	PVID(0x1022, 0x1459,  "AMD 10 Gigabit Ethernet Driver"),
151 	PVID_END
152 };
153 
154 static struct xgbe_version_data xgbe_v2a = {
155 	.init_function_ptrs_phy_impl    = xgbe_init_function_ptrs_phy_v2,
156 	.xpcs_access                    = XGBE_XPCS_ACCESS_V2,
157 	.mmc_64bit                      = 1,
158 	.tx_max_fifo_size               = 229376,
159 	.rx_max_fifo_size               = 229376,
160 	.tx_tstamp_workaround           = 1,
161 	.ecc_support                    = 1,
162 	.i2c_support                    = 1,
163 	.irq_reissue_support            = 1,
164 	.tx_desc_prefetch               = 5,
165 	.rx_desc_prefetch               = 5,
166 	.an_cdr_workaround              = 1,
167 };
168 
169 static struct xgbe_version_data xgbe_v2b = {
170 	.init_function_ptrs_phy_impl    = xgbe_init_function_ptrs_phy_v2,
171 	.xpcs_access                    = XGBE_XPCS_ACCESS_V2,
172 	.mmc_64bit                      = 1,
173 	.tx_max_fifo_size               = 65536,
174 	.rx_max_fifo_size               = 65536,
175 	.tx_tstamp_workaround           = 1,
176 	.ecc_support                    = 1,
177 	.i2c_support                    = 1,
178 	.irq_reissue_support            = 1,
179 	.tx_desc_prefetch               = 5,
180 	.rx_desc_prefetch               = 5,
181 	.an_cdr_workaround              = 1,
182 };
183 
184 /* Device Interface */
185 static device_method_t ax_methods[] = {
186 	DEVMETHOD(device_register, axgbe_register),
187 	DEVMETHOD(device_probe, iflib_device_probe),
188 	DEVMETHOD(device_attach, iflib_device_attach),
189 	DEVMETHOD(device_detach, iflib_device_detach),
190 
191 	/* MII interface */
192 	DEVMETHOD(miibus_readreg, axgbe_miibus_readreg),
193 	DEVMETHOD(miibus_writereg, axgbe_miibus_writereg),
194 	DEVMETHOD(miibus_statchg, axgbe_miibus_statchg),
195 
196 	DEVMETHOD_END
197 };
198 
199 static driver_t ax_driver = {
200 	"ax", ax_methods, sizeof(struct axgbe_if_softc),
201 };
202 
203 DRIVER_MODULE(axp, pci, ax_driver, 0, 0);
204 DRIVER_MODULE(miibus, ax, miibus_driver, 0, 0);
205 IFLIB_PNP_INFO(pci, ax_driver, axgbe_vendor_info_array);
206 
207 MODULE_DEPEND(ax, pci, 1, 1, 1);
208 MODULE_DEPEND(ax, ether, 1, 1, 1);
209 MODULE_DEPEND(ax, iflib, 1, 1, 1);
210 MODULE_DEPEND(ax, miibus, 1, 1, 1);
211 
212 /* Iflib Interface */
213 static device_method_t axgbe_if_methods[] = {
214 	DEVMETHOD(ifdi_attach_pre, axgbe_if_attach_pre),
215 	DEVMETHOD(ifdi_attach_post, axgbe_if_attach_post),
216 	DEVMETHOD(ifdi_detach, axgbe_if_detach),
217 	DEVMETHOD(ifdi_init, axgbe_if_init),
218 	DEVMETHOD(ifdi_stop, axgbe_if_stop),
219 	DEVMETHOD(ifdi_msix_intr_assign, axgbe_if_msix_intr_assign),
220 	DEVMETHOD(ifdi_intr_enable, axgbe_if_enable_intr),
221 	DEVMETHOD(ifdi_intr_disable, axgbe_if_disable_intr),
222 	DEVMETHOD(ifdi_tx_queue_intr_enable, axgbe_if_tx_queue_intr_enable),
223 	DEVMETHOD(ifdi_rx_queue_intr_enable, axgbe_if_rx_queue_intr_enable),
224 	DEVMETHOD(ifdi_tx_queues_alloc, axgbe_if_tx_queues_alloc),
225 	DEVMETHOD(ifdi_rx_queues_alloc, axgbe_if_rx_queues_alloc),
226 	DEVMETHOD(ifdi_queues_free, axgbe_if_queues_free),
227 	DEVMETHOD(ifdi_update_admin_status, axgbe_if_update_admin_status),
228 	DEVMETHOD(ifdi_mtu_set, axgbe_if_mtu_set),
229 	DEVMETHOD(ifdi_media_status, axgbe_if_media_status),
230 	DEVMETHOD(ifdi_media_change, axgbe_if_media_change),
231 	DEVMETHOD(ifdi_promisc_set, axgbe_if_promisc_set),
232 	DEVMETHOD(ifdi_get_counter, axgbe_if_get_counter),
233 	DEVMETHOD(ifdi_vlan_register, axgbe_if_vlan_register),
234 	DEVMETHOD(ifdi_vlan_unregister, axgbe_if_vlan_unregister),
235 #if __FreeBSD_version >= 1300000
236 	DEVMETHOD(ifdi_needs_restart, axgbe_if_needs_restart),
237 #endif
238 	DEVMETHOD_END
239 };
240 
241 static driver_t axgbe_if_driver = {
242 	"axgbe_if", axgbe_if_methods, sizeof(struct axgbe_if_softc)
243 };
244 
245 /* Iflib Shared Context */
246 static struct if_shared_ctx axgbe_sctx_init = {
247 	.isc_magic = IFLIB_MAGIC,
248 	.isc_driver = &axgbe_if_driver,
249 	.isc_q_align = PAGE_SIZE,
250 	.isc_tx_maxsize = XGBE_TSO_MAX_SIZE + sizeof(struct ether_vlan_header),
251 	.isc_tx_maxsegsize = PAGE_SIZE,
252 	.isc_tso_maxsize = XGBE_TSO_MAX_SIZE + sizeof(struct ether_vlan_header),
253 	.isc_tso_maxsegsize = PAGE_SIZE,
254 	.isc_rx_maxsize = MJUM9BYTES,
255 	.isc_rx_maxsegsize = MJUM9BYTES,
256 	.isc_rx_nsegments = 1,
257 	.isc_admin_intrcnt = 4,
258 
259 	.isc_vendor_info = axgbe_vendor_info_array,
260 	.isc_driver_version = XGBE_DRV_VERSION,
261 
262 	.isc_ntxd_min = {XGBE_TX_DESC_CNT_MIN},
263 	.isc_ntxd_default = {XGBE_TX_DESC_CNT_DEFAULT},
264 	.isc_ntxd_max = {XGBE_TX_DESC_CNT_MAX},
265 
266 	.isc_ntxqs = 1,
267 	.isc_flags = IFLIB_TSO_INIT_IP | IFLIB_NEED_SCRATCH |
268 	    IFLIB_NEED_ZERO_CSUM | IFLIB_NEED_ETHER_PAD,
269 };
270 
271 static void *
axgbe_register(device_t dev)272 axgbe_register(device_t dev)
273 {
274 	int axgbe_nfl;
275 	int axgbe_nrxqs;
276 	int error, i;
277 	char *value = NULL;
278 
279 	value = kern_getenv("dev.ax.sph_enable");
280 	if (value) {
281 		axgbe_sph_enable = strtol(value, NULL, 10);
282 		freeenv(value);
283 	} else {
284 		/*
285 		 * No tunable found, generate one with default values
286 		 * Note: only a reboot will reveal the new kenv
287 		 */
288 		error = kern_setenv("dev.ax.sph_enable", "0");
289 		if (error) {
290 			printf("Error setting tunable, using default driver values\n");
291 		}
292 		axgbe_sph_enable = 0;
293 	}
294 
295 	if (!axgbe_sph_enable) {
296 		axgbe_nfl = 1;
297 		axgbe_nrxqs = 1;
298 	} else {
299 		axgbe_nfl = 2;
300 		axgbe_nrxqs = 2;
301 	}
302 
303 	axgbe_sctx_init.isc_nfl = axgbe_nfl;
304 	axgbe_sctx_init.isc_nrxqs = axgbe_nrxqs;
305 
306 	for (i = 0 ; i < axgbe_nrxqs ; i++) {
307 		axgbe_sctx_init.isc_nrxd_min[i] = XGBE_RX_DESC_CNT_MIN;
308 		axgbe_sctx_init.isc_nrxd_default[i] = XGBE_RX_DESC_CNT_DEFAULT;
309 		axgbe_sctx_init.isc_nrxd_max[i] = XGBE_RX_DESC_CNT_MAX;
310 	}
311 
312 	return (&axgbe_sctx_init);
313 }
314 
315 /* MII Interface Functions */
316 static int
axgbe_miibus_readreg(device_t dev,int phy,int reg)317 axgbe_miibus_readreg(device_t dev, int phy, int reg)
318 {
319 	struct axgbe_if_softc   *sc = iflib_get_softc(device_get_softc(dev));
320 	struct xgbe_prv_data    *pdata = &sc->pdata;
321 	int val;
322 
323 	axgbe_printf(3, "%s: phy %d reg %d\n", __func__, phy, reg);
324 
325 	val = xgbe_phy_mii_read(pdata, phy, reg);
326 
327 	axgbe_printf(2, "%s: val 0x%x\n", __func__, val);
328 	return (val & 0xFFFF);
329 }
330 
331 static int
axgbe_miibus_writereg(device_t dev,int phy,int reg,int val)332 axgbe_miibus_writereg(device_t dev, int phy, int reg, int val)
333 {
334 	struct axgbe_if_softc   *sc = iflib_get_softc(device_get_softc(dev));
335 	struct xgbe_prv_data    *pdata = &sc->pdata;
336 
337 	axgbe_printf(3, "%s: phy %d reg %d val 0x%x\n", __func__, phy, reg, val);
338 
339 	xgbe_phy_mii_write(pdata, phy, reg, val);
340 
341 	return(0);
342 }
343 
344 static void
axgbe_miibus_statchg(device_t dev)345 axgbe_miibus_statchg(device_t dev)
346 {
347         struct axgbe_if_softc   *sc = iflib_get_softc(device_get_softc(dev));
348         struct xgbe_prv_data    *pdata = &sc->pdata;
349 	struct mii_data		*mii = device_get_softc(pdata->axgbe_miibus);
350 	if_t			 ifp = pdata->netdev;
351 	int bmsr;
352 
353 	axgbe_printf(2, "%s: Link %d/%d\n", __func__, pdata->phy.link,
354 	    pdata->phy_link);
355 
356 	if (mii == NULL || ifp == NULL ||
357 	    (if_getdrvflags(ifp) & IFF_DRV_RUNNING) == 0)
358 		return;
359 
360 	if ((mii->mii_media_status & (IFM_ACTIVE | IFM_AVALID)) ==
361 	    (IFM_ACTIVE | IFM_AVALID)) {
362 
363 		switch (IFM_SUBTYPE(mii->mii_media_active)) {
364 		case IFM_10_T:
365 		case IFM_100_TX:
366 			pdata->phy.link = 1;
367 			break;
368 		case IFM_1000_T:
369 		case IFM_1000_SX:
370 		case IFM_2500_SX:
371 			pdata->phy.link = 1;
372 			break;
373 		default:
374 			pdata->phy.link = 0;
375 			break;
376 		}
377 	} else
378 		pdata->phy_link = 0;
379 
380 	bmsr = axgbe_miibus_readreg(pdata->dev, pdata->mdio_addr, MII_BMSR);
381 	if (bmsr & BMSR_ANEG) {
382 
383 		axgbe_printf(2, "%s: Autoneg Done\n", __func__);
384 
385 		/* Raise AN Interrupt */
386 		XMDIO_WRITE(pdata, MDIO_MMD_AN, MDIO_AN_INTMASK,
387 		    XGBE_AN_CL73_INT_MASK);
388 	}
389 }
390 
391 static int
axgbe_if_attach_pre(if_ctx_t ctx)392 axgbe_if_attach_pre(if_ctx_t ctx)
393 {
394 	struct axgbe_if_softc	*sc;
395 	struct xgbe_prv_data	*pdata;
396 	struct resource		*mac_res[2];
397 	if_softc_ctx_t		scctx;
398 	if_shared_ctx_t		sctx;
399 	device_t		dev;
400 	device_t		rdev;
401 	unsigned int		ma_lo, ma_hi;
402 	unsigned int		reg;
403 	int			ret;
404 
405 	sc = iflib_get_softc(ctx);
406 	sc->pdata.dev = dev = iflib_get_dev(ctx);
407 	sc->sctx = sctx = iflib_get_sctx(ctx);
408 	sc->scctx = scctx = iflib_get_softc_ctx(ctx);
409 	sc->media = iflib_get_media(ctx);
410 	sc->ctx = ctx;
411 	sc->link_status = LINK_STATE_DOWN;
412 	pdata = &sc->pdata;
413 	pdata->netdev = iflib_get_ifp(ctx);
414 
415 	spin_lock_init(&pdata->xpcs_lock);
416 
417 	/* Initialize locks */
418         mtx_init(&pdata->rss_mutex, "xgbe rss mutex lock", NULL, MTX_DEF);
419 	mtx_init(&pdata->mdio_mutex, "xgbe MDIO mutex lock", NULL, MTX_SPIN);
420 
421 	/* Allocate VLAN bitmap */
422 	pdata->active_vlans = bit_alloc(VLAN_NVID, M_AXGBE, M_WAITOK|M_ZERO);
423 	pdata->num_active_vlans = 0;
424 
425 	/* Get the version data */
426 	DBGPR("%s: Device ID: 0x%x\n", __func__, pci_get_device(dev));
427 	if (pci_get_device(dev) == 0x1458)
428 		sc->pdata.vdata = &xgbe_v2a;
429 	else if (pci_get_device(dev) == 0x1459)
430 		sc->pdata.vdata = &xgbe_v2b;
431 
432 	/* PCI setup */
433         if (bus_alloc_resources(dev, axgbe_pci_mac_spec, mac_res)) {
434 		axgbe_error("Unable to allocate bus resources\n");
435 		ret = ENXIO;
436 		goto free_vlans;
437 	}
438 
439         sc->pdata.xgmac_res = mac_res[0];
440         sc->pdata.xpcs_res = mac_res[1];
441 
442 	/*
443 	 * Set the PCS indirect addressing definition registers.
444 	 * A newer version of the hardware is using the same PCI ids
445 	 * for the network device but has altered register definitions
446 	 * for determining the window settings for the indirect PCS access.
447 	 * This code checks hardware usage and uses the register values
448 	 * accordingly.
449 	 */
450 	rdev = pci_find_dbsf(0, 0, 0, 0);
451 	if (rdev && pci_get_device(rdev) == 0x15d0
452 		&& pci_get_vendor(rdev) == 0x1022) {
453 		pdata->xpcs_window_def_reg = PCS_V2_RV_WINDOW_DEF;
454 		pdata->xpcs_window_sel_reg = PCS_V2_RV_WINDOW_SELECT;
455 	} else {
456 		pdata->xpcs_window_def_reg = PCS_V2_WINDOW_DEF;
457 		pdata->xpcs_window_sel_reg = PCS_V2_WINDOW_SELECT;
458 	}
459 
460         /* Configure the PCS indirect addressing support */
461 	reg = XPCS32_IOREAD(pdata, pdata->xpcs_window_def_reg);
462 	pdata->xpcs_window = XPCS_GET_BITS(reg, PCS_V2_WINDOW_DEF, OFFSET);
463 	pdata->xpcs_window <<= 6;
464 	pdata->xpcs_window_size = XPCS_GET_BITS(reg, PCS_V2_WINDOW_DEF, SIZE);
465 	pdata->xpcs_window_size = 1 << (pdata->xpcs_window_size + 7);
466 	pdata->xpcs_window_mask = pdata->xpcs_window_size - 1;
467 	DBGPR("xpcs window def : %#010x\n",
468 	    pdata->xpcs_window_def_reg);
469 	DBGPR("xpcs window sel : %#010x\n",
470 	    pdata->xpcs_window_sel_reg);
471         DBGPR("xpcs window : %#010x\n",
472 	    pdata->xpcs_window);
473 	DBGPR("xpcs window size : %#010x\n",
474 	    pdata->xpcs_window_size);
475 	DBGPR("xpcs window mask : %#010x\n",
476 	    pdata->xpcs_window_mask);
477 
478 	/* Enable all interrupts in the hardware */
479         XP_IOWRITE(pdata, XP_INT_EN, 0x1fffff);
480 
481 	/* Retrieve the MAC address */
482 	ma_lo = XP_IOREAD(pdata, XP_MAC_ADDR_LO);
483 	ma_hi = XP_IOREAD(pdata, XP_MAC_ADDR_HI);
484 	pdata->mac_addr[0] = ma_lo & 0xff;
485 	pdata->mac_addr[1] = (ma_lo >> 8) & 0xff;
486 	pdata->mac_addr[2] = (ma_lo >>16) & 0xff;
487 	pdata->mac_addr[3] = (ma_lo >> 24) & 0xff;
488 	pdata->mac_addr[4] = ma_hi & 0xff;
489 	pdata->mac_addr[5] = (ma_hi >> 8) & 0xff;
490 	if (!XP_GET_BITS(ma_hi, XP_MAC_ADDR_HI, VALID)) {
491 		axgbe_error("Invalid mac address\n");
492 		ret = EINVAL;
493 		goto release_bus_resource;
494 	}
495 	iflib_set_mac(ctx, pdata->mac_addr);
496 
497 	/* Clock settings */
498 	pdata->sysclk_rate = XGBE_V2_DMA_CLOCK_FREQ;
499 	pdata->ptpclk_rate = XGBE_V2_PTP_CLOCK_FREQ;
500 
501 	/* Set the DMA coherency values */
502 	pdata->coherent = 1;
503 	pdata->arcr = XGBE_DMA_PCI_ARCR;
504 	pdata->awcr = XGBE_DMA_PCI_AWCR;
505 	pdata->awarcr = XGBE_DMA_PCI_AWARCR;
506 
507 	/* Read the port property registers */
508 	pdata->pp0 = XP_IOREAD(pdata, XP_PROP_0);
509 	pdata->pp1 = XP_IOREAD(pdata, XP_PROP_1);
510 	pdata->pp2 = XP_IOREAD(pdata, XP_PROP_2);
511 	pdata->pp3 = XP_IOREAD(pdata, XP_PROP_3);
512 	pdata->pp4 = XP_IOREAD(pdata, XP_PROP_4);
513 	DBGPR("port property 0 = %#010x\n", pdata->pp0);
514 	DBGPR("port property 1 = %#010x\n", pdata->pp1);
515 	DBGPR("port property 2 = %#010x\n", pdata->pp2);
516 	DBGPR("port property 3 = %#010x\n", pdata->pp3);
517 	DBGPR("port property 4 = %#010x\n", pdata->pp4);
518 
519 	/* Set the maximum channels and queues */
520 	pdata->tx_max_channel_count = XP_GET_BITS(pdata->pp1, XP_PROP_1,
521 	    MAX_TX_DMA);
522 	pdata->rx_max_channel_count = XP_GET_BITS(pdata->pp1, XP_PROP_1,
523 	    MAX_RX_DMA);
524 	pdata->tx_max_q_count = XP_GET_BITS(pdata->pp1, XP_PROP_1,
525 	    MAX_TX_QUEUES);
526 	pdata->rx_max_q_count = XP_GET_BITS(pdata->pp1, XP_PROP_1,
527 	    MAX_RX_QUEUES);
528 	DBGPR("max tx/rx channel count = %u/%u\n",
529 	    pdata->tx_max_channel_count, pdata->rx_max_channel_count);
530 	DBGPR("max tx/rx hw queue count = %u/%u\n",
531 	    pdata->tx_max_q_count, pdata->rx_max_q_count);
532 
533 	axgbe_set_counts(ctx);
534 
535 	/* Set the maximum fifo amounts */
536         pdata->tx_max_fifo_size = XP_GET_BITS(pdata->pp2, XP_PROP_2,
537                                               TX_FIFO_SIZE);
538         pdata->tx_max_fifo_size *= 16384;
539         pdata->tx_max_fifo_size = min(pdata->tx_max_fifo_size,
540                                       pdata->vdata->tx_max_fifo_size);
541         pdata->rx_max_fifo_size = XP_GET_BITS(pdata->pp2, XP_PROP_2,
542                                               RX_FIFO_SIZE);
543         pdata->rx_max_fifo_size *= 16384;
544         pdata->rx_max_fifo_size = min(pdata->rx_max_fifo_size,
545                                       pdata->vdata->rx_max_fifo_size);
546 	DBGPR("max tx/rx max fifo size = %u/%u\n",
547 	    pdata->tx_max_fifo_size, pdata->rx_max_fifo_size);
548 
549 	/* Initialize IFLIB if_softc_ctx_t */
550 	axgbe_init_iflib_softc_ctx(sc);
551 
552 	/* Alloc channels */
553 	if (axgbe_alloc_channels(ctx)) {
554 		axgbe_error("Unable to allocate channel memory\n");
555 		ret = ENOMEM;
556 		goto release_bus_resource;
557         }
558 
559 	TASK_INIT(&pdata->service_work, 0, xgbe_service, pdata);
560 
561 	/* create the workqueue */
562 	pdata->dev_workqueue = taskqueue_create("axgbe", M_WAITOK,
563 	    taskqueue_thread_enqueue, &pdata->dev_workqueue);
564 	ret = taskqueue_start_threads(&pdata->dev_workqueue, 1, PI_NET,
565 	    "axgbe dev taskq");
566 	if (ret) {
567 		axgbe_error("Unable to start taskqueue\n");
568 		ret = ENOMEM;
569 		goto free_task_queue;
570 	}
571 
572 	/* Init timers */
573 	xgbe_init_timers(pdata);
574 
575         return (0);
576 
577 free_task_queue:
578 	taskqueue_free(pdata->dev_workqueue);
579 	axgbe_free_channels(sc);
580 
581 release_bus_resource:
582         bus_release_resources(dev, axgbe_pci_mac_spec, mac_res);
583 
584 free_vlans:
585 	free(pdata->active_vlans, M_AXGBE);
586 
587 	return (ret);
588 } /* axgbe_if_attach_pre */
589 
590 static void
xgbe_init_all_fptrs(struct xgbe_prv_data * pdata)591 xgbe_init_all_fptrs(struct xgbe_prv_data *pdata)
592 {
593 	xgbe_init_function_ptrs_dev(&pdata->hw_if);
594 	xgbe_init_function_ptrs_phy(&pdata->phy_if);
595         xgbe_init_function_ptrs_i2c(&pdata->i2c_if);
596 	xgbe_init_function_ptrs_desc(&pdata->desc_if);
597 
598         pdata->vdata->init_function_ptrs_phy_impl(&pdata->phy_if);
599 }
600 
601 static void
axgbe_set_counts(if_ctx_t ctx)602 axgbe_set_counts(if_ctx_t ctx)
603 {
604 	struct axgbe_if_softc *sc = iflib_get_softc(ctx);
605 	struct xgbe_prv_data *pdata = &sc->pdata;
606 	cpuset_t lcpus;
607 
608 	/* Set all function pointers */
609 	xgbe_init_all_fptrs(pdata);
610 
611 	/* Populate the hardware features */
612 	xgbe_get_all_hw_features(pdata);
613 
614 	if (!pdata->tx_max_channel_count)
615 		pdata->tx_max_channel_count = pdata->hw_feat.tx_ch_cnt;
616 	if (!pdata->rx_max_channel_count)
617 		pdata->rx_max_channel_count = pdata->hw_feat.rx_ch_cnt;
618 
619 	if (!pdata->tx_max_q_count)
620 		pdata->tx_max_q_count = pdata->hw_feat.tx_q_cnt;
621 	if (!pdata->rx_max_q_count)
622 		pdata->rx_max_q_count = pdata->hw_feat.rx_q_cnt;
623 
624 	/*
625 	 * Calculate the number of Tx and Rx rings to be created
626 	 *  -Tx (DMA) Channels map 1-to-1 to Tx Queues so set
627 	 *   the number of Tx queues to the number of Tx channels
628 	 *   enabled
629 	 *  -Rx (DMA) Channels do not map 1-to-1 so use the actual
630 	 *   number of Rx queues or maximum allowed
631 	 */
632 
633 	if (bus_get_cpus(pdata->dev, INTR_CPUS, sizeof(lcpus), &lcpus) != 0) {
634                 axgbe_error("Unable to fetch CPU list\n");
635                 /* TODO - handle CPU_COPY(&all_cpus, &lcpus); */
636         }
637 
638 	DBGPR("ncpu %d intrcpu %d\n", mp_ncpus, CPU_COUNT(&lcpus));
639 
640 	pdata->tx_ring_count = min(CPU_COUNT(&lcpus), pdata->hw_feat.tx_ch_cnt);
641 	pdata->tx_ring_count = min(pdata->tx_ring_count,
642 	    pdata->tx_max_channel_count);
643 	pdata->tx_ring_count = min(pdata->tx_ring_count, pdata->tx_max_q_count);
644 
645 	pdata->tx_q_count = pdata->tx_ring_count;
646 
647 	pdata->rx_ring_count = min(CPU_COUNT(&lcpus), pdata->hw_feat.rx_ch_cnt);
648 	pdata->rx_ring_count = min(pdata->rx_ring_count,
649 	    pdata->rx_max_channel_count);
650 
651 	pdata->rx_q_count = min(pdata->hw_feat.rx_q_cnt, pdata->rx_max_q_count);
652 
653 	DBGPR("TX/RX max channel count = %u/%u\n",
654 	    pdata->tx_max_channel_count, pdata->rx_max_channel_count);
655 	DBGPR("TX/RX max queue count = %u/%u\n",
656 	    pdata->tx_max_q_count, pdata->rx_max_q_count);
657 	DBGPR("TX/RX DMA ring count = %u/%u\n",
658 	    pdata->tx_ring_count, pdata->rx_ring_count);
659 	DBGPR("TX/RX hardware queue count = %u/%u\n",
660 	    pdata->tx_q_count, pdata->rx_q_count);
661 } /* axgbe_set_counts */
662 
663 static void
axgbe_init_iflib_softc_ctx(struct axgbe_if_softc * sc)664 axgbe_init_iflib_softc_ctx(struct axgbe_if_softc *sc)
665 {
666 	struct xgbe_prv_data *pdata = &sc->pdata;
667 	if_softc_ctx_t scctx = sc->scctx;
668 	if_shared_ctx_t sctx = sc->sctx;
669 	int i;
670 
671 	scctx->isc_nrxqsets = pdata->rx_q_count;
672 	scctx->isc_ntxqsets = pdata->tx_q_count;
673 	scctx->isc_msix_bar = pci_msix_table_bar(pdata->dev);
674 	scctx->isc_tx_nsegments = 32;
675 
676 	for (i = 0; i < sctx->isc_ntxqs; i++) {
677 		scctx->isc_txqsizes[i] =
678 		    roundup2(scctx->isc_ntxd[i] * sizeof(struct xgbe_ring_desc),
679 		    128);
680 		scctx->isc_txd_size[i] = sizeof(struct xgbe_ring_desc);
681 	}
682 
683 	for (i = 0; i < sctx->isc_nrxqs; i++) {
684 		scctx->isc_rxqsizes[i] =
685 		    roundup2(scctx->isc_nrxd[i] * sizeof(struct xgbe_ring_desc),
686 		    128);
687 		scctx->isc_rxd_size[i] = sizeof(struct xgbe_ring_desc);
688 	}
689 
690 	scctx->isc_tx_tso_segments_max = 32;
691 	scctx->isc_tx_tso_size_max = XGBE_TSO_MAX_SIZE;
692 	scctx->isc_tx_tso_segsize_max = PAGE_SIZE;
693 
694 	/*
695 	 * Set capabilities
696 	 * 1) IFLIB automatically adds IFCAP_HWSTATS, so need to set explicitly
697 	 * 2) isc_tx_csum_flags is mandatory if IFCAP_TXCSUM (included in
698 	 *    IFCAP_HWCSUM) is set
699 	 */
700 	scctx->isc_tx_csum_flags = (CSUM_IP | CSUM_TCP | CSUM_UDP | CSUM_SCTP |
701 	    CSUM_TCP_IPV6 | CSUM_UDP_IPV6 | CSUM_SCTP_IPV6 |
702 	    CSUM_TSO);
703 	scctx->isc_capenable = (IFCAP_HWCSUM | IFCAP_HWCSUM_IPV6 |
704 	    IFCAP_JUMBO_MTU |
705 	    IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_HWFILTER |
706 	    IFCAP_VLAN_HWCSUM |
707 	    IFCAP_TSO | IFCAP_VLAN_HWTSO);
708 	scctx->isc_capabilities = scctx->isc_capenable;
709 
710 	/*
711 	 * Set rss_table_size alone when adding RSS support. rss_table_mask
712 	 * will be set by IFLIB based on rss_table_size
713 	 */
714 	scctx->isc_rss_table_size = XGBE_RSS_MAX_TABLE_SIZE;
715 
716 	scctx->isc_ntxqsets_max = XGBE_MAX_QUEUES;
717 	scctx->isc_nrxqsets_max = XGBE_MAX_QUEUES;
718 
719 	scctx->isc_txrx = &axgbe_txrx;
720 }
721 
722 static void
axgbe_initialize_rss_mapping(struct xgbe_prv_data * pdata)723 axgbe_initialize_rss_mapping(struct xgbe_prv_data *pdata)
724 {
725 	int i;
726 
727 	/* Get RSS key */
728 #ifdef	RSS
729 	int	qid;
730 	uint32_t	rss_hash_config = 0;
731 
732 	rss_getkey((uint8_t *)&pdata->rss_key);
733 
734 	rss_hash_config = rss_gethashconfig();
735 
736 	if (rss_hash_config & RSS_HASHTYPE_RSS_IPV4)
737 		XGMAC_SET_BITS(pdata->rss_options, MAC_RSSCR, IP2TE, 1);
738 	if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV4)
739 		XGMAC_SET_BITS(pdata->rss_options, MAC_RSSCR, TCP4TE, 1);
740 	if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV4)
741 		XGMAC_SET_BITS(pdata->rss_options, MAC_RSSCR, UDP4TE, 1);
742 #else
743 	arc4rand(&pdata->rss_key, ARRAY_SIZE(pdata->rss_key), 0);
744 
745 	XGMAC_SET_BITS(pdata->rss_options, MAC_RSSCR, IP2TE, 1);
746 	XGMAC_SET_BITS(pdata->rss_options, MAC_RSSCR, TCP4TE, 1);
747 	XGMAC_SET_BITS(pdata->rss_options, MAC_RSSCR, UDP4TE, 1);
748 #endif
749 
750 	/* Setup RSS lookup table */
751 	for (i = 0; i < XGBE_RSS_MAX_TABLE_SIZE; i++) {
752 #ifdef	RSS
753 		qid = rss_get_indirection_to_bucket(i) % pdata->rx_ring_count;
754 		XGMAC_SET_BITS(pdata->rss_table[i], MAC_RSSDR, DMCH, qid);
755 #else
756 		XGMAC_SET_BITS(pdata->rss_table[i], MAC_RSSDR, DMCH,
757 				i % pdata->rx_ring_count);
758 #endif
759 	}
760 
761 }
762 
763 static int
axgbe_alloc_channels(if_ctx_t ctx)764 axgbe_alloc_channels(if_ctx_t ctx)
765 {
766 	struct axgbe_if_softc 	*sc = iflib_get_softc(ctx);
767 	struct xgbe_prv_data	*pdata = &sc->pdata;
768 	struct xgbe_channel	*channel;
769 	int i, j, count;
770 
771 	DBGPR("%s: txqs %d rxqs %d\n", __func__, pdata->tx_ring_count,
772 	    pdata->rx_ring_count);
773 
774 	/* Iflibe sets based on isc_ntxqsets/nrxqsets */
775 	count = max_t(unsigned int, pdata->tx_ring_count, pdata->rx_ring_count);
776 
777 	/* Allocate channel memory */
778 	for (i = 0; i < count ; i++) {
779 		channel = (struct xgbe_channel*)malloc(sizeof(struct xgbe_channel),
780 		    M_AXGBE, M_NOWAIT | M_ZERO);
781 
782 		if (channel == NULL) {
783 			for (j = 0; j < i; j++) {
784 				free(pdata->channel[j], M_AXGBE);
785 				pdata->channel[j] = NULL;
786 			}
787 			return (ENOMEM);
788 		}
789 
790 		pdata->channel[i] = channel;
791 	}
792 
793 	pdata->total_channel_count = count;
794 	DBGPR("Channel count set to: %u\n", pdata->total_channel_count);
795 
796 	for (i = 0; i < count; i++) {
797 
798 		channel = pdata->channel[i];
799 		snprintf(channel->name, sizeof(channel->name), "channel-%d",i);
800 
801 		channel->pdata = pdata;
802 		channel->queue_index = i;
803 		channel->dma_tag = rman_get_bustag(pdata->xgmac_res);
804 		bus_space_subregion(channel->dma_tag,
805 		    rman_get_bushandle(pdata->xgmac_res),
806 		    DMA_CH_BASE + (DMA_CH_INC * i), DMA_CH_INC,
807 		    &channel->dma_handle);
808 		channel->tx_ring = NULL;
809 		channel->rx_ring = NULL;
810 	}
811 
812 	return (0);
813 } /* axgbe_alloc_channels */
814 
815 static void
axgbe_free_channels(struct axgbe_if_softc * sc)816 axgbe_free_channels(struct axgbe_if_softc *sc)
817 {
818 	struct xgbe_prv_data	*pdata = &sc->pdata;
819 	int i;
820 
821 	for (i = 0; i < pdata->total_channel_count ; i++) {
822 		free(pdata->channel[i], M_AXGBE);
823 		pdata->channel[i] = NULL;
824 	}
825 
826 	pdata->total_channel_count = 0;
827 	pdata->channel_count = 0;
828 }
829 
830 static void
xgbe_service(void * ctx,int pending)831 xgbe_service(void *ctx, int pending)
832 {
833         struct xgbe_prv_data *pdata = ctx;
834 	struct axgbe_if_softc *sc = (struct axgbe_if_softc *)pdata;
835 	bool prev_state = false;
836 
837 	/* Get previous link status */
838 	prev_state = pdata->phy.link;
839 
840         pdata->phy_if.phy_status(pdata);
841 
842 	if (prev_state != pdata->phy.link) {
843 		pdata->phy_link = pdata->phy.link;
844 		axgbe_if_update_admin_status(sc->ctx);
845 	}
846 
847         callout_reset(&pdata->service_timer, 1*hz, xgbe_service_timer, pdata);
848 }
849 
850 static void
xgbe_service_timer(void * data)851 xgbe_service_timer(void *data)
852 {
853         struct xgbe_prv_data *pdata = data;
854 
855         taskqueue_enqueue(pdata->dev_workqueue, &pdata->service_work);
856 }
857 
858 static void
xgbe_init_timers(struct xgbe_prv_data * pdata)859 xgbe_init_timers(struct xgbe_prv_data *pdata)
860 {
861         callout_init(&pdata->service_timer, 1);
862 }
863 
864 static void
xgbe_start_timers(struct xgbe_prv_data * pdata)865 xgbe_start_timers(struct xgbe_prv_data *pdata)
866 {
867 	callout_reset(&pdata->service_timer, 1*hz, xgbe_service_timer, pdata);
868 }
869 
870 static void
xgbe_stop_timers(struct xgbe_prv_data * pdata)871 xgbe_stop_timers(struct xgbe_prv_data *pdata)
872 {
873         callout_drain(&pdata->service_timer);
874         callout_stop(&pdata->service_timer);
875 }
876 
877 static void
xgbe_dump_phy_registers(struct xgbe_prv_data * pdata)878 xgbe_dump_phy_registers(struct xgbe_prv_data *pdata)
879 {
880         axgbe_printf(1, "\n************* PHY Reg dump *********************\n");
881 
882         axgbe_printf(1, "PCS Control Reg (%#06x) = %#06x\n", MDIO_CTRL1,
883             XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_CTRL1));
884         axgbe_printf(1, "PCS Status Reg (%#06x) = %#06x\n", MDIO_STAT1,
885             XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_STAT1));
886         axgbe_printf(1, "Phy Id (PHYS ID 1 %#06x)= %#06x\n", MDIO_DEVID1,
887             XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_DEVID1));
888         axgbe_printf(1, "Phy Id (PHYS ID 2 %#06x)= %#06x\n", MDIO_DEVID2,
889             XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_DEVID2));
890         axgbe_printf(1, "Devices in Package (%#06x)= %#06x\n", MDIO_DEVS1,
891             XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_DEVS1));
892         axgbe_printf(1, "Devices in Package (%#06x)= %#06x\n", MDIO_DEVS2,
893             XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_DEVS2));
894         axgbe_printf(1, "Auto-Neg Control Reg (%#06x) = %#06x\n", MDIO_CTRL1,
895             XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_CTRL1));
896         axgbe_printf(1, "Auto-Neg Status Reg (%#06x) = %#06x\n", MDIO_STAT1,
897             XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_STAT1));
898         axgbe_printf(1, "Auto-Neg Ad Reg 1 (%#06x) = %#06x\n",
899             MDIO_AN_ADVERTISE,
900             XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE));
901         axgbe_printf(1, "Auto-Neg Ad Reg 2 (%#06x) = %#06x\n",
902             MDIO_AN_ADVERTISE + 1,
903             XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 1));
904         axgbe_printf(1, "Auto-Neg Ad Reg 3 (%#06x) = %#06x\n",
905             MDIO_AN_ADVERTISE + 2,
906             XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 2));
907         axgbe_printf(1, "Auto-Neg Completion Reg (%#06x) = %#06x\n",
908             MDIO_AN_COMP_STAT,
909             XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_COMP_STAT));
910 
911         axgbe_printf(1, "\n************************************************\n");
912 }
913 
914 static void
xgbe_dump_prop_registers(struct xgbe_prv_data * pdata)915 xgbe_dump_prop_registers(struct xgbe_prv_data *pdata)
916 {
917 	int i;
918 
919         axgbe_printf(1, "\n************* PROP Reg dump ********************\n");
920 
921 	for (i = 0 ; i < 38 ; i++) {
922 		axgbe_printf(1, "PROP Offset 0x%08x = %08x\n",
923 		    (XP_PROP_0 + (i * 4)), XP_IOREAD(pdata,
924 		    (XP_PROP_0 + (i * 4))));
925 	}
926 }
927 
928 static void
xgbe_dump_dma_registers(struct xgbe_prv_data * pdata,int ch)929 xgbe_dump_dma_registers(struct xgbe_prv_data *pdata, int ch)
930 {
931 	struct xgbe_channel     *channel;
932 	int i;
933 
934         axgbe_printf(1, "\n************* DMA Reg dump *********************\n");
935 
936         axgbe_printf(1, "DMA MR Reg (%08x) = %08x\n", DMA_MR,
937            XGMAC_IOREAD(pdata, DMA_MR));
938         axgbe_printf(1, "DMA SBMR Reg (%08x) = %08x\n", DMA_SBMR,
939            XGMAC_IOREAD(pdata, DMA_SBMR));
940         axgbe_printf(1, "DMA ISR Reg (%08x) = %08x\n", DMA_ISR,
941            XGMAC_IOREAD(pdata, DMA_ISR));
942         axgbe_printf(1, "DMA AXIARCR Reg (%08x) = %08x\n", DMA_AXIARCR,
943            XGMAC_IOREAD(pdata, DMA_AXIARCR));
944         axgbe_printf(1, "DMA AXIAWCR Reg (%08x) = %08x\n", DMA_AXIAWCR,
945            XGMAC_IOREAD(pdata, DMA_AXIAWCR));
946         axgbe_printf(1, "DMA AXIAWARCR Reg (%08x) = %08x\n", DMA_AXIAWARCR,
947            XGMAC_IOREAD(pdata, DMA_AXIAWARCR));
948         axgbe_printf(1, "DMA DSR0 Reg (%08x) = %08x\n", DMA_DSR0,
949            XGMAC_IOREAD(pdata, DMA_DSR0));
950         axgbe_printf(1, "DMA DSR1 Reg (%08x) = %08x\n", DMA_DSR1,
951            XGMAC_IOREAD(pdata, DMA_DSR1));
952         axgbe_printf(1, "DMA DSR2 Reg (%08x) = %08x\n", DMA_DSR2,
953            XGMAC_IOREAD(pdata, DMA_DSR2));
954         axgbe_printf(1, "DMA DSR3 Reg (%08x) = %08x\n", DMA_DSR3,
955            XGMAC_IOREAD(pdata, DMA_DSR3));
956         axgbe_printf(1, "DMA DSR4 Reg (%08x) = %08x\n", DMA_DSR4,
957            XGMAC_IOREAD(pdata, DMA_DSR4));
958         axgbe_printf(1, "DMA TXEDMACR Reg (%08x) = %08x\n", DMA_TXEDMACR,
959            XGMAC_IOREAD(pdata, DMA_TXEDMACR));
960         axgbe_printf(1, "DMA RXEDMACR Reg (%08x) = %08x\n", DMA_RXEDMACR,
961            XGMAC_IOREAD(pdata, DMA_RXEDMACR));
962 
963 	for (i = 0 ; i < 8 ; i++ ) {
964 
965 		if (ch >= 0) {
966 			if (i != ch)
967 				continue;
968 		}
969 
970 		channel = pdata->channel[i];
971 
972         	axgbe_printf(1, "\n************* DMA CH %d dump ****************\n", i);
973 
974         	axgbe_printf(1, "DMA_CH_CR Reg (%08x) = %08x\n",
975 		    DMA_CH_CR, XGMAC_DMA_IOREAD(channel, DMA_CH_CR));
976         	axgbe_printf(1, "DMA_CH_TCR Reg (%08x) = %08x\n",
977 		    DMA_CH_TCR, XGMAC_DMA_IOREAD(channel, DMA_CH_TCR));
978         	axgbe_printf(1, "DMA_CH_RCR Reg (%08x) = %08x\n",
979 		    DMA_CH_RCR, XGMAC_DMA_IOREAD(channel, DMA_CH_RCR));
980         	axgbe_printf(1, "DMA_CH_TDLR_HI Reg (%08x) = %08x\n",
981 		    DMA_CH_TDLR_HI, XGMAC_DMA_IOREAD(channel, DMA_CH_TDLR_HI));
982         	axgbe_printf(1, "DMA_CH_TDLR_LO Reg (%08x) = %08x\n",
983 		    DMA_CH_TDLR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_TDLR_LO));
984         	axgbe_printf(1, "DMA_CH_RDLR_HI Reg (%08x) = %08x\n",
985 		    DMA_CH_RDLR_HI, XGMAC_DMA_IOREAD(channel, DMA_CH_RDLR_HI));
986         	axgbe_printf(1, "DMA_CH_RDLR_LO Reg (%08x) = %08x\n",
987 		    DMA_CH_RDLR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_RDLR_LO));
988         	axgbe_printf(1, "DMA_CH_TDTR_LO Reg (%08x) = %08x\n",
989 		    DMA_CH_TDTR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_TDTR_LO));
990         	axgbe_printf(1, "DMA_CH_RDTR_LO Reg (%08x) = %08x\n",
991 		    DMA_CH_RDTR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_RDTR_LO));
992         	axgbe_printf(1, "DMA_CH_TDRLR Reg (%08x) = %08x\n",
993 		    DMA_CH_TDRLR, XGMAC_DMA_IOREAD(channel, DMA_CH_TDRLR));
994         	axgbe_printf(1, "DMA_CH_RDRLR Reg (%08x) = %08x\n",
995 		    DMA_CH_RDRLR, XGMAC_DMA_IOREAD(channel, DMA_CH_RDRLR));
996         	axgbe_printf(1, "DMA_CH_IER Reg (%08x) = %08x\n",
997 		    DMA_CH_IER, XGMAC_DMA_IOREAD(channel, DMA_CH_IER));
998         	axgbe_printf(1, "DMA_CH_RIWT Reg (%08x) = %08x\n",
999 		    DMA_CH_RIWT, XGMAC_DMA_IOREAD(channel, DMA_CH_RIWT));
1000         	axgbe_printf(1, "DMA_CH_CATDR_LO Reg (%08x) = %08x\n",
1001 		    DMA_CH_CATDR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_CATDR_LO));
1002         	axgbe_printf(1, "DMA_CH_CARDR_LO Reg (%08x) = %08x\n",
1003 		    DMA_CH_CARDR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_CARDR_LO));
1004         	axgbe_printf(1, "DMA_CH_CATBR_HI Reg (%08x) = %08x\n",
1005 		    DMA_CH_CATBR_HI, XGMAC_DMA_IOREAD(channel, DMA_CH_CATBR_HI));
1006         	axgbe_printf(1, "DMA_CH_CATBR_LO Reg (%08x) = %08x\n",
1007 		    DMA_CH_CATBR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_CATBR_LO));
1008         	axgbe_printf(1, "DMA_CH_CARBR_HI Reg (%08x) = %08x\n",
1009 		    DMA_CH_CARBR_HI, XGMAC_DMA_IOREAD(channel, DMA_CH_CARBR_HI));
1010         	axgbe_printf(1, "DMA_CH_CARBR_LO Reg (%08x) = %08x\n",
1011 		    DMA_CH_CARBR_LO, XGMAC_DMA_IOREAD(channel, DMA_CH_CARBR_LO));
1012         	axgbe_printf(1, "DMA_CH_SR Reg (%08x) = %08x\n",
1013 		    DMA_CH_SR, XGMAC_DMA_IOREAD(channel, DMA_CH_SR));
1014         	axgbe_printf(1, "DMA_CH_DSR Reg (%08x) = %08x\n",
1015 		    DMA_CH_DSR,	XGMAC_DMA_IOREAD(channel, DMA_CH_DSR));
1016         	axgbe_printf(1, "DMA_CH_DCFL Reg (%08x) = %08x\n",
1017 		    DMA_CH_DCFL, XGMAC_DMA_IOREAD(channel, DMA_CH_DCFL));
1018         	axgbe_printf(1, "DMA_CH_MFC Reg (%08x) = %08x\n",
1019 		    DMA_CH_MFC, XGMAC_DMA_IOREAD(channel, DMA_CH_MFC));
1020         	axgbe_printf(1, "DMA_CH_TDTRO Reg (%08x) = %08x\n",
1021 		    DMA_CH_TDTRO, XGMAC_DMA_IOREAD(channel, DMA_CH_TDTRO));
1022         	axgbe_printf(1, "DMA_CH_RDTRO Reg (%08x) = %08x\n",
1023 		    DMA_CH_RDTRO, XGMAC_DMA_IOREAD(channel, DMA_CH_RDTRO));
1024         	axgbe_printf(1, "DMA_CH_TDWRO Reg (%08x) = %08x\n",
1025 		    DMA_CH_TDWRO, XGMAC_DMA_IOREAD(channel, DMA_CH_TDWRO));
1026         	axgbe_printf(1, "DMA_CH_RDWRO Reg (%08x) = %08x\n",
1027 		    DMA_CH_RDWRO, XGMAC_DMA_IOREAD(channel, DMA_CH_RDWRO));
1028 	}
1029 }
1030 
1031 static void
xgbe_dump_mtl_registers(struct xgbe_prv_data * pdata)1032 xgbe_dump_mtl_registers(struct xgbe_prv_data *pdata)
1033 {
1034 	int i;
1035 
1036         axgbe_printf(1, "\n************* MTL Reg dump *********************\n");
1037 
1038         axgbe_printf(1, "MTL OMR Reg (%08x) = %08x\n", MTL_OMR,
1039            XGMAC_IOREAD(pdata, MTL_OMR));
1040         axgbe_printf(1, "MTL FDCR Reg (%08x) = %08x\n", MTL_FDCR,
1041            XGMAC_IOREAD(pdata, MTL_FDCR));
1042         axgbe_printf(1, "MTL FDSR Reg (%08x) = %08x\n", MTL_FDSR,
1043            XGMAC_IOREAD(pdata, MTL_FDSR));
1044         axgbe_printf(1, "MTL FDDR Reg (%08x) = %08x\n", MTL_FDDR,
1045            XGMAC_IOREAD(pdata, MTL_FDDR));
1046         axgbe_printf(1, "MTL ISR Reg (%08x) = %08x\n", MTL_ISR,
1047            XGMAC_IOREAD(pdata, MTL_ISR));
1048         axgbe_printf(1, "MTL RQDCM0R Reg (%08x) = %08x\n", MTL_RQDCM0R,
1049            XGMAC_IOREAD(pdata, MTL_RQDCM0R));
1050         axgbe_printf(1, "MTL RQDCM1R Reg (%08x) = %08x\n", MTL_RQDCM1R,
1051            XGMAC_IOREAD(pdata, MTL_RQDCM1R));
1052         axgbe_printf(1, "MTL RQDCM2R Reg (%08x) = %08x\n", MTL_RQDCM2R,
1053            XGMAC_IOREAD(pdata, MTL_RQDCM2R));
1054         axgbe_printf(1, "MTL TCPM0R Reg (%08x) = %08x\n", MTL_TCPM0R,
1055            XGMAC_IOREAD(pdata, MTL_TCPM0R));
1056         axgbe_printf(1, "MTL TCPM1R Reg (%08x) = %08x\n", MTL_TCPM1R,
1057            XGMAC_IOREAD(pdata, MTL_TCPM1R));
1058 
1059 	for (i = 0 ; i < 8 ; i++ ) {
1060 
1061         	axgbe_printf(1, "\n************* MTL CH %d dump ****************\n", i);
1062 
1063         	axgbe_printf(1, "MTL_Q_TQOMR Reg (%08x) = %08x\n",
1064 		    MTL_Q_TQOMR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_TQOMR));
1065         	axgbe_printf(1, "MTL_Q_TQUR Reg (%08x) = %08x\n",
1066 		    MTL_Q_TQUR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_TQUR));
1067         	axgbe_printf(1, "MTL_Q_TQDR Reg (%08x) = %08x\n",
1068 		    MTL_Q_TQDR,	XGMAC_MTL_IOREAD(pdata, i, MTL_Q_TQDR));
1069         	axgbe_printf(1, "MTL_Q_TC0ETSCR Reg (%08x) = %08x\n",
1070 		    MTL_Q_TC0ETSCR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_TC0ETSCR));
1071         	axgbe_printf(1, "MTL_Q_TC0ETSSR Reg (%08x) = %08x\n",
1072 		    MTL_Q_TC0ETSSR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_TC0ETSSR));
1073         	axgbe_printf(1, "MTL_Q_TC0QWR Reg (%08x) = %08x\n",
1074 		    MTL_Q_TC0QWR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_TC0QWR));
1075 
1076         	axgbe_printf(1, "MTL_Q_RQOMR Reg (%08x) = %08x\n",
1077 		    MTL_Q_RQOMR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_RQOMR));
1078         	axgbe_printf(1, "MTL_Q_RQMPOCR Reg (%08x) = %08x\n",
1079 		    MTL_Q_RQMPOCR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_RQMPOCR));
1080         	axgbe_printf(1, "MTL_Q_RQDR Reg (%08x) = %08x\n",
1081 		    MTL_Q_RQDR,	XGMAC_MTL_IOREAD(pdata, i, MTL_Q_RQDR));
1082         	axgbe_printf(1, "MTL_Q_RQCR Reg (%08x) = %08x\n",
1083 		    MTL_Q_RQCR,	XGMAC_MTL_IOREAD(pdata, i, MTL_Q_RQCR));
1084         	axgbe_printf(1, "MTL_Q_RQFCR Reg (%08x) = %08x\n",
1085 		    MTL_Q_RQFCR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_RQFCR));
1086         	axgbe_printf(1, "MTL_Q_IER Reg (%08x) = %08x\n",
1087 		    MTL_Q_IER, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_IER));
1088         	axgbe_printf(1, "MTL_Q_ISR Reg (%08x) = %08x\n",
1089 		    MTL_Q_ISR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_ISR));
1090 	}
1091 }
1092 
1093 static void
xgbe_dump_mac_registers(struct xgbe_prv_data * pdata)1094 xgbe_dump_mac_registers(struct xgbe_prv_data *pdata)
1095 {
1096         axgbe_printf(1, "\n************* MAC Reg dump **********************\n");
1097 
1098         axgbe_printf(1, "MAC TCR Reg (%08x) = %08x\n", MAC_TCR,
1099            XGMAC_IOREAD(pdata, MAC_TCR));
1100         axgbe_printf(1, "MAC RCR Reg (%08x) = %08x\n", MAC_RCR,
1101            XGMAC_IOREAD(pdata, MAC_RCR));
1102         axgbe_printf(1, "MAC PFR Reg (%08x) = %08x\n", MAC_PFR,
1103            XGMAC_IOREAD(pdata, MAC_PFR));
1104         axgbe_printf(1, "MAC WTR Reg (%08x) = %08x\n", MAC_WTR,
1105            XGMAC_IOREAD(pdata, MAC_WTR));
1106         axgbe_printf(1, "MAC HTR0 Reg (%08x) = %08x\n", MAC_HTR0,
1107            XGMAC_IOREAD(pdata, MAC_HTR0));
1108         axgbe_printf(1, "MAC HTR1 Reg (%08x) = %08x\n", MAC_HTR1,
1109            XGMAC_IOREAD(pdata, MAC_HTR1));
1110         axgbe_printf(1, "MAC HTR2 Reg (%08x) = %08x\n", MAC_HTR2,
1111            XGMAC_IOREAD(pdata, MAC_HTR2));
1112         axgbe_printf(1, "MAC HTR3 Reg (%08x) = %08x\n", MAC_HTR3,
1113            XGMAC_IOREAD(pdata, MAC_HTR3));
1114         axgbe_printf(1, "MAC HTR4 Reg (%08x) = %08x\n", MAC_HTR4,
1115            XGMAC_IOREAD(pdata, MAC_HTR4));
1116         axgbe_printf(1, "MAC HTR5 Reg (%08x) = %08x\n", MAC_HTR5,
1117            XGMAC_IOREAD(pdata, MAC_HTR5));
1118         axgbe_printf(1, "MAC HTR6 Reg (%08x) = %08x\n", MAC_HTR6,
1119            XGMAC_IOREAD(pdata, MAC_HTR6));
1120         axgbe_printf(1, "MAC HTR7 Reg (%08x) = %08x\n", MAC_HTR7,
1121            XGMAC_IOREAD(pdata, MAC_HTR7));
1122         axgbe_printf(1, "MAC VLANTR Reg (%08x) = %08x\n", MAC_VLANTR,
1123            XGMAC_IOREAD(pdata, MAC_VLANTR));
1124         axgbe_printf(1, "MAC VLANHTR Reg (%08x) = %08x\n", MAC_VLANHTR,
1125            XGMAC_IOREAD(pdata, MAC_VLANHTR));
1126         axgbe_printf(1, "MAC VLANIR Reg (%08x) = %08x\n", MAC_VLANIR,
1127            XGMAC_IOREAD(pdata, MAC_VLANIR));
1128         axgbe_printf(1, "MAC IVLANIR Reg (%08x) = %08x\n", MAC_IVLANIR,
1129            XGMAC_IOREAD(pdata, MAC_IVLANIR));
1130         axgbe_printf(1, "MAC RETMR Reg (%08x) = %08x\n", MAC_RETMR,
1131            XGMAC_IOREAD(pdata, MAC_RETMR));
1132         axgbe_printf(1, "MAC Q0TFCR Reg (%08x) = %08x\n", MAC_Q0TFCR,
1133            XGMAC_IOREAD(pdata, MAC_Q0TFCR));
1134         axgbe_printf(1, "MAC Q1TFCR Reg (%08x) = %08x\n", MAC_Q1TFCR,
1135            XGMAC_IOREAD(pdata, MAC_Q1TFCR));
1136         axgbe_printf(1, "MAC Q2TFCR Reg (%08x) = %08x\n", MAC_Q2TFCR,
1137            XGMAC_IOREAD(pdata, MAC_Q2TFCR));
1138         axgbe_printf(1, "MAC Q3TFCR Reg (%08x) = %08x\n", MAC_Q3TFCR,
1139            XGMAC_IOREAD(pdata, MAC_Q3TFCR));
1140         axgbe_printf(1, "MAC Q4TFCR Reg (%08x) = %08x\n", MAC_Q4TFCR,
1141            XGMAC_IOREAD(pdata, MAC_Q4TFCR));
1142         axgbe_printf(1, "MAC Q5TFCR Reg (%08x) = %08x\n", MAC_Q5TFCR,
1143            XGMAC_IOREAD(pdata, MAC_Q5TFCR));
1144         axgbe_printf(1, "MAC Q6TFCR Reg (%08x) = %08x\n", MAC_Q6TFCR,
1145            XGMAC_IOREAD(pdata, MAC_Q6TFCR));
1146         axgbe_printf(1, "MAC Q7TFCR Reg (%08x) = %08x\n", MAC_Q7TFCR,
1147            XGMAC_IOREAD(pdata, MAC_Q7TFCR));
1148         axgbe_printf(1, "MAC RFCR Reg (%08x) = %08x\n", MAC_RFCR,
1149            XGMAC_IOREAD(pdata, MAC_RFCR));
1150         axgbe_printf(1, "MAC RQC0R Reg (%08x) = %08x\n", MAC_RQC0R,
1151            XGMAC_IOREAD(pdata, MAC_RQC0R));
1152         axgbe_printf(1, "MAC RQC1R Reg (%08x) = %08x\n", MAC_RQC1R,
1153            XGMAC_IOREAD(pdata, MAC_RQC1R));
1154         axgbe_printf(1, "MAC RQC2R Reg (%08x) = %08x\n", MAC_RQC2R,
1155            XGMAC_IOREAD(pdata, MAC_RQC2R));
1156         axgbe_printf(1, "MAC RQC3R Reg (%08x) = %08x\n", MAC_RQC3R,
1157            XGMAC_IOREAD(pdata, MAC_RQC3R));
1158         axgbe_printf(1, "MAC ISR Reg (%08x) = %08x\n", MAC_ISR,
1159            XGMAC_IOREAD(pdata, MAC_ISR));
1160         axgbe_printf(1, "MAC IER Reg (%08x) = %08x\n", MAC_IER,
1161            XGMAC_IOREAD(pdata, MAC_IER));
1162         axgbe_printf(1, "MAC RTSR Reg (%08x) = %08x\n", MAC_RTSR,
1163            XGMAC_IOREAD(pdata, MAC_RTSR));
1164         axgbe_printf(1, "MAC PMTCSR Reg (%08x) = %08x\n", MAC_PMTCSR,
1165            XGMAC_IOREAD(pdata, MAC_PMTCSR));
1166         axgbe_printf(1, "MAC RWKPFR Reg (%08x) = %08x\n", MAC_RWKPFR,
1167            XGMAC_IOREAD(pdata, MAC_RWKPFR));
1168         axgbe_printf(1, "MAC LPICSR Reg (%08x) = %08x\n", MAC_LPICSR,
1169            XGMAC_IOREAD(pdata, MAC_LPICSR));
1170         axgbe_printf(1, "MAC LPITCR Reg (%08x) = %08x\n", MAC_LPITCR,
1171            XGMAC_IOREAD(pdata, MAC_LPITCR));
1172         axgbe_printf(1, "MAC TIR Reg (%08x) = %08x\n", MAC_TIR,
1173            XGMAC_IOREAD(pdata, MAC_TIR));
1174         axgbe_printf(1, "MAC VR Reg (%08x) = %08x\n", MAC_VR,
1175            XGMAC_IOREAD(pdata, MAC_VR));
1176 	axgbe_printf(1, "MAC DR Reg (%08x) = %08x\n", MAC_DR,
1177            XGMAC_IOREAD(pdata, MAC_DR));
1178         axgbe_printf(1, "MAC HWF0R Reg (%08x) = %08x\n", MAC_HWF0R,
1179            XGMAC_IOREAD(pdata, MAC_HWF0R));
1180         axgbe_printf(1, "MAC HWF1R Reg (%08x) = %08x\n", MAC_HWF1R,
1181            XGMAC_IOREAD(pdata, MAC_HWF1R));
1182         axgbe_printf(1, "MAC HWF2R Reg (%08x) = %08x\n", MAC_HWF2R,
1183            XGMAC_IOREAD(pdata, MAC_HWF2R));
1184         axgbe_printf(1, "MAC MDIOSCAR Reg (%08x) = %08x\n", MAC_MDIOSCAR,
1185            XGMAC_IOREAD(pdata, MAC_MDIOSCAR));
1186         axgbe_printf(1, "MAC MDIOSCCDR Reg (%08x) = %08x\n", MAC_MDIOSCCDR,
1187            XGMAC_IOREAD(pdata, MAC_MDIOSCCDR));
1188         axgbe_printf(1, "MAC MDIOISR Reg (%08x) = %08x\n", MAC_MDIOISR,
1189            XGMAC_IOREAD(pdata, MAC_MDIOISR));
1190         axgbe_printf(1, "MAC MDIOIER Reg (%08x) = %08x\n", MAC_MDIOIER,
1191            XGMAC_IOREAD(pdata, MAC_MDIOIER));
1192         axgbe_printf(1, "MAC MDIOCL22R Reg (%08x) = %08x\n", MAC_MDIOCL22R,
1193            XGMAC_IOREAD(pdata, MAC_MDIOCL22R));
1194         axgbe_printf(1, "MAC GPIOCR Reg (%08x) = %08x\n", MAC_GPIOCR,
1195            XGMAC_IOREAD(pdata, MAC_GPIOCR));
1196         axgbe_printf(1, "MAC GPIOSR Reg (%08x) = %08x\n", MAC_GPIOSR,
1197            XGMAC_IOREAD(pdata, MAC_GPIOSR));
1198         axgbe_printf(1, "MAC MACA0HR Reg (%08x) = %08x\n", MAC_MACA0HR,
1199            XGMAC_IOREAD(pdata, MAC_MACA0HR));
1200         axgbe_printf(1, "MAC MACA0LR Reg (%08x) = %08x\n", MAC_TCR,
1201            XGMAC_IOREAD(pdata, MAC_MACA0LR));
1202         axgbe_printf(1, "MAC MACA1HR Reg (%08x) = %08x\n", MAC_MACA1HR,
1203            XGMAC_IOREAD(pdata, MAC_MACA1HR));
1204         axgbe_printf(1, "MAC MACA1LR Reg (%08x) = %08x\n", MAC_MACA1LR,
1205            XGMAC_IOREAD(pdata, MAC_MACA1LR));
1206         axgbe_printf(1, "MAC RSSCR Reg (%08x) = %08x\n", MAC_RSSCR,
1207            XGMAC_IOREAD(pdata, MAC_RSSCR));
1208         axgbe_printf(1, "MAC RSSDR Reg (%08x) = %08x\n", MAC_RSSDR,
1209            XGMAC_IOREAD(pdata, MAC_RSSDR));
1210         axgbe_printf(1, "MAC RSSAR Reg (%08x) = %08x\n", MAC_RSSAR,
1211            XGMAC_IOREAD(pdata, MAC_RSSAR));
1212         axgbe_printf(1, "MAC TSCR Reg (%08x) = %08x\n", MAC_TSCR,
1213            XGMAC_IOREAD(pdata, MAC_TSCR));
1214         axgbe_printf(1, "MAC SSIR Reg (%08x) = %08x\n", MAC_SSIR,
1215            XGMAC_IOREAD(pdata, MAC_SSIR));
1216         axgbe_printf(1, "MAC STSR Reg (%08x) = %08x\n", MAC_STSR,
1217            XGMAC_IOREAD(pdata, MAC_STSR));
1218         axgbe_printf(1, "MAC STNR Reg (%08x) = %08x\n", MAC_STNR,
1219            XGMAC_IOREAD(pdata, MAC_STNR));
1220         axgbe_printf(1, "MAC STSUR Reg (%08x) = %08x\n", MAC_STSUR,
1221            XGMAC_IOREAD(pdata, MAC_STSUR));
1222         axgbe_printf(1, "MAC STNUR Reg (%08x) = %08x\n", MAC_STNUR,
1223            XGMAC_IOREAD(pdata, MAC_STNUR));
1224         axgbe_printf(1, "MAC TSAR Reg (%08x) = %08x\n", MAC_TSAR,
1225            XGMAC_IOREAD(pdata, MAC_TSAR));
1226         axgbe_printf(1, "MAC TSSR Reg (%08x) = %08x\n", MAC_TSSR,
1227            XGMAC_IOREAD(pdata, MAC_TSSR));
1228         axgbe_printf(1, "MAC TXSNR Reg (%08x) = %08x\n", MAC_TXSNR,
1229            XGMAC_IOREAD(pdata, MAC_TXSNR));
1230 	 axgbe_printf(1, "MAC TXSSR Reg (%08x) = %08x\n", MAC_TXSSR,
1231            XGMAC_IOREAD(pdata, MAC_TXSSR));
1232 }
1233 
1234 static void
xgbe_dump_rmon_counters(struct xgbe_prv_data * pdata)1235 xgbe_dump_rmon_counters(struct xgbe_prv_data *pdata)
1236 {
1237         struct xgbe_mmc_stats *stats = &pdata->mmc_stats;
1238 
1239         axgbe_printf(1, "\n************* RMON counters dump ***************\n");
1240 
1241         pdata->hw_if.read_mmc_stats(pdata);
1242 
1243         axgbe_printf(1, "rmon txoctetcount_gb (%08x) = %08lx\n",
1244 	    MMC_TXOCTETCOUNT_GB_LO, stats->txoctetcount_gb);
1245         axgbe_printf(1, "rmon txframecount_gb (%08x) = %08lx\n",
1246 	    MMC_TXFRAMECOUNT_GB_LO, stats->txframecount_gb);
1247         axgbe_printf(1, "rmon txbroadcastframes_g (%08x) = %08lx\n",
1248 	    MMC_TXBROADCASTFRAMES_G_LO, stats->txbroadcastframes_g);
1249         axgbe_printf(1, "rmon txmulticastframes_g (%08x) = %08lx\n",
1250 	    MMC_TXMULTICASTFRAMES_G_LO, stats->txmulticastframes_g);
1251         axgbe_printf(1, "rmon tx64octets_gb (%08x) = %08lx\n",
1252 	    MMC_TX64OCTETS_GB_LO, stats->tx64octets_gb);
1253         axgbe_printf(1, "rmon tx65to127octets_gb (%08x) = %08lx\n",
1254 	    MMC_TX65TO127OCTETS_GB_LO, stats->tx65to127octets_gb);
1255         axgbe_printf(1, "rmon tx128to255octets_gb (%08x) = %08lx\n",
1256 	    MMC_TX128TO255OCTETS_GB_LO, stats->tx128to255octets_gb);
1257         axgbe_printf(1, "rmon tx256to511octets_gb (%08x) = %08lx\n",
1258 	    MMC_TX256TO511OCTETS_GB_LO, stats->tx256to511octets_gb);
1259         axgbe_printf(1, "rmon tx512to1023octets_gb (%08x) = %08lx\n",
1260 	    MMC_TX512TO1023OCTETS_GB_LO, stats->tx512to1023octets_gb);
1261 	axgbe_printf(1, "rmon tx1024tomaxoctets_gb (%08x) = %08lx\n",
1262 	    MMC_TX1024TOMAXOCTETS_GB_LO, stats->tx1024tomaxoctets_gb);
1263         axgbe_printf(1, "rmon txunicastframes_gb (%08x) = %08lx\n",
1264 	    MMC_TXUNICASTFRAMES_GB_LO, stats->txunicastframes_gb);
1265         axgbe_printf(1, "rmon txmulticastframes_gb (%08x) = %08lx\n",
1266 	    MMC_TXMULTICASTFRAMES_GB_LO, stats->txmulticastframes_gb);
1267         axgbe_printf(1, "rmon txbroadcastframes_gb (%08x) = %08lx\n",
1268 	    MMC_TXBROADCASTFRAMES_GB_LO, stats->txbroadcastframes_gb);
1269         axgbe_printf(1, "rmon txunderflowerror (%08x) = %08lx\n",
1270 	    MMC_TXUNDERFLOWERROR_LO, stats->txunderflowerror);
1271         axgbe_printf(1, "rmon txoctetcount_g (%08x) = %08lx\n",
1272 	    MMC_TXOCTETCOUNT_G_LO, stats->txoctetcount_g);
1273         axgbe_printf(1, "rmon txframecount_g (%08x) = %08lx\n",
1274 	    MMC_TXFRAMECOUNT_G_LO, stats->txframecount_g);
1275         axgbe_printf(1, "rmon txpauseframes (%08x) = %08lx\n",
1276 	    MMC_TXPAUSEFRAMES_LO, stats->txpauseframes);
1277         axgbe_printf(1, "rmon txvlanframes_g (%08x) = %08lx\n",
1278 	    MMC_TXVLANFRAMES_G_LO, stats->txvlanframes_g);
1279         axgbe_printf(1, "rmon rxframecount_gb (%08x) = %08lx\n",
1280 	    MMC_RXFRAMECOUNT_GB_LO, stats->rxframecount_gb);
1281         axgbe_printf(1, "rmon rxoctetcount_gb (%08x) = %08lx\n",
1282 	    MMC_RXOCTETCOUNT_GB_LO, stats->rxoctetcount_gb);
1283         axgbe_printf(1, "rmon rxoctetcount_g (%08x) = %08lx\n",
1284 	    MMC_RXOCTETCOUNT_G_LO, stats->rxoctetcount_g);
1285         axgbe_printf(1, "rmon rxbroadcastframes_g (%08x) = %08lx\n",
1286 	    MMC_RXBROADCASTFRAMES_G_LO, stats->rxbroadcastframes_g);
1287         axgbe_printf(1, "rmon rxmulticastframes_g (%08x) = %08lx\n",
1288 	    MMC_RXMULTICASTFRAMES_G_LO, stats->rxmulticastframes_g);
1289         axgbe_printf(1, "rmon rxcrcerror (%08x) = %08lx\n",
1290 	    MMC_RXCRCERROR_LO, stats->rxcrcerror);
1291 	axgbe_printf(1, "rmon rxrunterror (%08x) = %08lx\n",
1292 	    MMC_RXRUNTERROR, stats->rxrunterror);
1293         axgbe_printf(1, "rmon rxjabbererror (%08x) = %08lx\n",
1294 	    MMC_RXJABBERERROR, stats->rxjabbererror);
1295         axgbe_printf(1, "rmon rxundersize_g (%08x) = %08lx\n",
1296 	    MMC_RXUNDERSIZE_G, stats->rxundersize_g);
1297         axgbe_printf(1, "rmon rxoversize_g (%08x) = %08lx\n",
1298 	    MMC_RXOVERSIZE_G, stats->rxoversize_g);
1299         axgbe_printf(1, "rmon rx64octets_gb (%08x) = %08lx\n",
1300 	    MMC_RX64OCTETS_GB_LO, stats->rx64octets_gb);
1301         axgbe_printf(1, "rmon rx65to127octets_gb (%08x) = %08lx\n",
1302 	    MMC_RX65TO127OCTETS_GB_LO, stats->rx65to127octets_gb);
1303         axgbe_printf(1, "rmon rx128to255octets_gb (%08x) = %08lx\n",
1304 	    MMC_RX128TO255OCTETS_GB_LO, stats->rx128to255octets_gb);
1305         axgbe_printf(1, "rmon rx256to511octets_gb (%08x) = %08lx\n",
1306 	    MMC_RX256TO511OCTETS_GB_LO, stats->rx256to511octets_gb);
1307         axgbe_printf(1, "rmon rx512to1023octets_gb (%08x) = %08lx\n",
1308 	    MMC_RX512TO1023OCTETS_GB_LO, stats->rx512to1023octets_gb);
1309         axgbe_printf(1, "rmon rx1024tomaxoctets_gb (%08x) = %08lx\n",
1310 	    MMC_RX1024TOMAXOCTETS_GB_LO, stats->rx1024tomaxoctets_gb);
1311         axgbe_printf(1, "rmon rxunicastframes_g (%08x) = %08lx\n",
1312 	    MMC_RXUNICASTFRAMES_G_LO, stats->rxunicastframes_g);
1313         axgbe_printf(1, "rmon rxlengtherror (%08x) = %08lx\n",
1314 	    MMC_RXLENGTHERROR_LO, stats->rxlengtherror);
1315         axgbe_printf(1, "rmon rxoutofrangetype (%08x) = %08lx\n",
1316 	    MMC_RXOUTOFRANGETYPE_LO, stats->rxoutofrangetype);
1317         axgbe_printf(1, "rmon rxpauseframes (%08x) = %08lx\n",
1318 	    MMC_RXPAUSEFRAMES_LO, stats->rxpauseframes);
1319         axgbe_printf(1, "rmon rxfifooverflow (%08x) = %08lx\n",
1320 	    MMC_RXFIFOOVERFLOW_LO, stats->rxfifooverflow);
1321 	axgbe_printf(1, "rmon rxvlanframes_gb (%08x) = %08lx\n",
1322 	    MMC_RXVLANFRAMES_GB_LO, stats->rxvlanframes_gb);
1323         axgbe_printf(1, "rmon rxwatchdogerror (%08x) = %08lx\n",
1324 	    MMC_RXWATCHDOGERROR, stats->rxwatchdogerror);
1325 }
1326 
1327 void
xgbe_dump_i2c_registers(struct xgbe_prv_data * pdata)1328 xgbe_dump_i2c_registers(struct xgbe_prv_data *pdata)
1329 {
1330           axgbe_printf(1, "*************** I2C Registers **************\n");
1331           axgbe_printf(1, "  IC_CON             : %010x\n",
1332 	      XI2C_IOREAD(pdata, 0x00));
1333           axgbe_printf(1, "  IC_TAR             : %010x\n",
1334 	      XI2C_IOREAD(pdata, 0x04));
1335           axgbe_printf(1, "  IC_HS_MADDR        : %010x\n",
1336 	      XI2C_IOREAD(pdata, 0x0c));
1337           axgbe_printf(1, "  IC_INTR_STAT       : %010x\n",
1338 	      XI2C_IOREAD(pdata, 0x2c));
1339           axgbe_printf(1, "  IC_INTR_MASK       : %010x\n",
1340 	      XI2C_IOREAD(pdata, 0x30));
1341           axgbe_printf(1, "  IC_RAW_INTR_STAT   : %010x\n",
1342 	      XI2C_IOREAD(pdata, 0x34));
1343           axgbe_printf(1, "  IC_RX_TL           : %010x\n",
1344 	      XI2C_IOREAD(pdata, 0x38));
1345           axgbe_printf(1, "  IC_TX_TL           : %010x\n",
1346 	      XI2C_IOREAD(pdata, 0x3c));
1347           axgbe_printf(1, "  IC_ENABLE          : %010x\n",
1348 	      XI2C_IOREAD(pdata, 0x6c));
1349           axgbe_printf(1, "  IC_STATUS          : %010x\n",
1350 	      XI2C_IOREAD(pdata, 0x70));
1351           axgbe_printf(1, "  IC_TXFLR           : %010x\n",
1352 	      XI2C_IOREAD(pdata, 0x74));
1353           axgbe_printf(1, "  IC_RXFLR           : %010x\n",
1354 	      XI2C_IOREAD(pdata, 0x78));
1355           axgbe_printf(1, "  IC_ENABLE_STATUS   : %010x\n",
1356 	      XI2C_IOREAD(pdata, 0x9c));
1357           axgbe_printf(1, "  IC_COMP_PARAM1     : %010x\n",
1358 	      XI2C_IOREAD(pdata, 0xf4));
1359 }
1360 
1361 static void
xgbe_dump_active_vlans(struct xgbe_prv_data * pdata)1362 xgbe_dump_active_vlans(struct xgbe_prv_data *pdata)
1363 {
1364 	int i;
1365 
1366 	for(i=0 ; i<BITS_TO_LONGS(VLAN_NVID); i++) {
1367 		if (i && (i%8 == 0))
1368 			axgbe_printf(1, "\n");
1369                 axgbe_printf(1, "vlans[%d]: 0x%08lx ", i, pdata->active_vlans[i]);
1370 	}
1371 	axgbe_printf(1, "\n");
1372 }
1373 
1374 static void
xgbe_default_config(struct xgbe_prv_data * pdata)1375 xgbe_default_config(struct xgbe_prv_data *pdata)
1376 {
1377         pdata->blen = DMA_SBMR_BLEN_64;
1378         pdata->pbl = DMA_PBL_128;
1379         pdata->aal = 1;
1380         pdata->rd_osr_limit = 8;
1381         pdata->wr_osr_limit = 8;
1382         pdata->tx_sf_mode = MTL_TSF_ENABLE;
1383         pdata->tx_threshold = MTL_TX_THRESHOLD_64;
1384         pdata->tx_osp_mode = DMA_OSP_ENABLE;
1385         pdata->rx_sf_mode = MTL_RSF_ENABLE;
1386         pdata->rx_threshold = MTL_RX_THRESHOLD_64;
1387         pdata->pause_autoneg = 1;
1388         pdata->phy_speed = SPEED_UNKNOWN;
1389         pdata->power_down = 0;
1390         pdata->enable_rss = 1;
1391 }
1392 
1393 static int
axgbe_if_attach_post(if_ctx_t ctx)1394 axgbe_if_attach_post(if_ctx_t ctx)
1395 {
1396 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1397 	struct xgbe_prv_data	*pdata = &sc->pdata;
1398 	if_t			 ifp = pdata->netdev;
1399         struct xgbe_phy_if	*phy_if = &pdata->phy_if;
1400 	struct xgbe_hw_if 	*hw_if = &pdata->hw_if;
1401 	if_softc_ctx_t		scctx = sc->scctx;
1402 	int ret;
1403 
1404 	/* set split header support based on tunable */
1405 	pdata->sph_enable = axgbe_sph_enable;
1406 
1407 	/* Initialize ECC timestamps */
1408         pdata->tx_sec_period = ticks;
1409         pdata->tx_ded_period = ticks;
1410         pdata->rx_sec_period = ticks;
1411         pdata->rx_ded_period = ticks;
1412         pdata->desc_sec_period = ticks;
1413         pdata->desc_ded_period = ticks;
1414 
1415 	/* Reset the hardware */
1416 	ret = hw_if->exit(&sc->pdata);
1417 	if (ret)
1418 		axgbe_error("%s: exit error %d\n", __func__, ret);
1419 
1420 	axgbe_sysctl_init(pdata);
1421 
1422 	/* Configure the defaults */
1423 	xgbe_default_config(pdata);
1424 
1425 	/* Set default max values if not provided */
1426         if (!pdata->tx_max_fifo_size)
1427                 pdata->tx_max_fifo_size = pdata->hw_feat.tx_fifo_size;
1428         if (!pdata->rx_max_fifo_size)
1429                 pdata->rx_max_fifo_size = pdata->hw_feat.rx_fifo_size;
1430 
1431 	DBGPR("%s: tx fifo 0x%x rx fifo 0x%x\n", __func__,
1432 	    pdata->tx_max_fifo_size, pdata->rx_max_fifo_size);
1433 
1434         /* Set and validate the number of descriptors for a ring */
1435         MPASS(powerof2(XGBE_TX_DESC_CNT));
1436         pdata->tx_desc_count = XGBE_TX_DESC_CNT;
1437         MPASS(powerof2(XGBE_RX_DESC_CNT));
1438         pdata->rx_desc_count = XGBE_RX_DESC_CNT;
1439 
1440         /* Adjust the number of queues based on interrupts assigned */
1441         if (pdata->channel_irq_count) {
1442                 pdata->tx_ring_count = min_t(unsigned int, pdata->tx_ring_count,
1443 		    pdata->channel_irq_count);
1444                 pdata->rx_ring_count = min_t(unsigned int, pdata->rx_ring_count,
1445 		    pdata->channel_irq_count);
1446 
1447 		DBGPR("adjusted TX %u/%u RX %u/%u\n",
1448 		    pdata->tx_ring_count, pdata->tx_q_count,
1449 		    pdata->rx_ring_count, pdata->rx_q_count);
1450         }
1451 
1452 	/* Set channel count based on interrupts assigned */
1453 	pdata->channel_count = max_t(unsigned int, scctx->isc_ntxqsets,
1454 	    scctx->isc_nrxqsets);
1455 	DBGPR("Channel count set to: %u\n", pdata->channel_count);
1456 
1457 	axgbe_initialize_rss_mapping(pdata);
1458 
1459 	/* Initialize the PHY device */
1460 	pdata->sysctl_an_cdr_workaround = pdata->vdata->an_cdr_workaround;
1461 	phy_if->phy_init(pdata);
1462 
1463 	/* Set the coalescing */
1464         xgbe_init_rx_coalesce(&sc->pdata);
1465         xgbe_init_tx_coalesce(&sc->pdata);
1466 
1467 	ifmedia_add(sc->media, IFM_ETHER | IFM_10G_KR, 0, NULL);
1468 	ifmedia_add(sc->media, IFM_ETHER | IFM_10G_T, 0, NULL);
1469 	ifmedia_add(sc->media, IFM_ETHER | IFM_10G_SFI, 0, NULL);
1470 	ifmedia_add(sc->media, IFM_ETHER | IFM_1000_KX, 0, NULL);
1471 	ifmedia_add(sc->media, IFM_ETHER | IFM_1000_CX, 0, NULL);
1472 	ifmedia_add(sc->media, IFM_ETHER | IFM_1000_LX, 0, NULL);
1473 	ifmedia_add(sc->media, IFM_ETHER | IFM_1000_SX, 0, NULL);
1474 	ifmedia_add(sc->media, IFM_ETHER | IFM_1000_T, 0, NULL);
1475 	ifmedia_add(sc->media, IFM_ETHER | IFM_1000_SGMII, 0, NULL);
1476 	ifmedia_add(sc->media, IFM_ETHER | IFM_100_TX, 0, NULL);
1477 	ifmedia_add(sc->media, IFM_ETHER | IFM_100_SGMII, 0, NULL);
1478 	ifmedia_add(sc->media, IFM_ETHER | IFM_AUTO, 0, NULL);
1479 	ifmedia_set(sc->media, IFM_ETHER | IFM_AUTO);
1480 
1481 	/* Initialize the phy */
1482 	pdata->phy_link = -1;
1483 	pdata->phy_speed = SPEED_UNKNOWN;
1484 	ret = phy_if->phy_reset(pdata);
1485 	if (ret)
1486 		return (ret);
1487 
1488 	/* Calculate the Rx buffer size before allocating rings */
1489 	ret = xgbe_calc_rx_buf_size(pdata->netdev, if_getmtu(pdata->netdev));
1490 	pdata->rx_buf_size = ret;
1491 	DBGPR("%s: rx_buf_size %d\n", __func__, ret);
1492 
1493 	/*
1494 	 * Mark the device down until it is initialized, which happens
1495 	 * when the device is accessed first (for configuring the iface,
1496 	 * eg: setting IP)
1497 	 */
1498 	set_bit(XGBE_DOWN, &pdata->dev_state);
1499 
1500 	DBGPR("mtu %d\n", if_getmtu(ifp));
1501 	scctx->isc_max_frame_size = if_getmtu(ifp) + 18;
1502 	scctx->isc_min_frame_size = XGMAC_MIN_PACKET;
1503 
1504 	axgbe_pci_init(pdata);
1505 
1506 	return (0);
1507 } /* axgbe_if_attach_post */
1508 
1509 static void
xgbe_free_intr(struct xgbe_prv_data * pdata,struct resource * res,void * tag,int rid)1510 xgbe_free_intr(struct xgbe_prv_data *pdata, struct resource *res, void *tag,
1511 		int rid)
1512 {
1513 	if (tag)
1514 		bus_teardown_intr(pdata->dev, res, tag);
1515 
1516 	if (res)
1517 		bus_release_resource(pdata->dev, SYS_RES_IRQ, rid, res);
1518 }
1519 
1520 static void
axgbe_interrupts_free(if_ctx_t ctx)1521 axgbe_interrupts_free(if_ctx_t ctx)
1522 {
1523 	struct axgbe_if_softc   *sc = iflib_get_softc(ctx);
1524         struct xgbe_prv_data	*pdata = &sc->pdata;
1525         if_softc_ctx_t          scctx = sc->scctx;
1526         struct xgbe_channel     *channel;
1527         struct if_irq   irq;
1528         int i;
1529 
1530 	axgbe_printf(2, "%s: mode %d\n", __func__, scctx->isc_intr);
1531 
1532 	/* Free dev_irq */
1533 	iflib_irq_free(ctx, &pdata->dev_irq);
1534 
1535 	/* Free ecc_irq */
1536 	xgbe_free_intr(pdata, pdata->ecc_irq_res, pdata->ecc_irq_tag,
1537 	    pdata->ecc_rid);
1538 
1539 	/* Free i2c_irq */
1540 	xgbe_free_intr(pdata, pdata->i2c_irq_res, pdata->i2c_irq_tag,
1541 	    pdata->i2c_rid);
1542 
1543 	/* Free an_irq */
1544 	xgbe_free_intr(pdata, pdata->an_irq_res, pdata->an_irq_tag,
1545 	    pdata->an_rid);
1546 
1547 	for (i = 0; i < scctx->isc_nrxqsets; i++) {
1548 
1549 		channel = pdata->channel[i];
1550 		axgbe_printf(2, "%s: rid %d\n", __func__, channel->dma_irq_rid);
1551 		irq.ii_res = channel->dma_irq_res;
1552 		irq.ii_tag = channel->dma_irq_tag;
1553 		iflib_irq_free(ctx, &irq);
1554 	}
1555 }
1556 
1557 static int
axgbe_if_detach(if_ctx_t ctx)1558 axgbe_if_detach(if_ctx_t ctx)
1559 {
1560 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1561 	struct xgbe_prv_data	*pdata = &sc->pdata;
1562         struct xgbe_phy_if	*phy_if = &pdata->phy_if;
1563         struct resource *mac_res[2];
1564 
1565 	mac_res[0] = pdata->xgmac_res;
1566 	mac_res[1] = pdata->xpcs_res;
1567 
1568 	phy_if->phy_stop(pdata);
1569 	phy_if->phy_exit(pdata);
1570 
1571 	/* Free Interrupts */
1572 	axgbe_interrupts_free(ctx);
1573 
1574 	/* Free workqueues */
1575 	taskqueue_free(pdata->dev_workqueue);
1576 
1577 	/* Release bus resources */
1578 	bus_release_resources(iflib_get_dev(ctx), axgbe_pci_mac_spec, mac_res);
1579 
1580 	/* Free VLAN bitmap */
1581 	free(pdata->active_vlans, M_AXGBE);
1582 
1583 	axgbe_sysctl_exit(pdata);
1584 
1585 	return (0);
1586 } /* axgbe_if_detach */
1587 
1588 static void
axgbe_pci_init(struct xgbe_prv_data * pdata)1589 axgbe_pci_init(struct xgbe_prv_data *pdata)
1590 {
1591 	struct xgbe_phy_if	*phy_if = &pdata->phy_if;
1592 	struct xgbe_hw_if       *hw_if = &pdata->hw_if;
1593 	int ret = 0;
1594 
1595 	if (!__predict_false((test_bit(XGBE_DOWN, &pdata->dev_state)))) {
1596 		axgbe_printf(1, "%s: Starting when XGBE_UP\n", __func__);
1597 		return;
1598 	}
1599 
1600 	hw_if->init(pdata);
1601 
1602         ret = phy_if->phy_start(pdata);
1603         if (ret) {
1604 		axgbe_error("%s:  phy start %d\n", __func__, ret);
1605 		ret = hw_if->exit(pdata);
1606 		if (ret)
1607 			axgbe_error("%s: exit error %d\n", __func__, ret);
1608 		return;
1609 	}
1610 
1611 	hw_if->enable_tx(pdata);
1612 	hw_if->enable_rx(pdata);
1613 
1614 	xgbe_start_timers(pdata);
1615 
1616 	clear_bit(XGBE_DOWN, &pdata->dev_state);
1617 
1618 	xgbe_dump_phy_registers(pdata);
1619 	xgbe_dump_prop_registers(pdata);
1620 	xgbe_dump_dma_registers(pdata, -1);
1621 	xgbe_dump_mtl_registers(pdata);
1622 	xgbe_dump_mac_registers(pdata);
1623 	xgbe_dump_rmon_counters(pdata);
1624 }
1625 
1626 static void
axgbe_if_init(if_ctx_t ctx)1627 axgbe_if_init(if_ctx_t ctx)
1628 {
1629 	struct axgbe_if_softc   *sc = iflib_get_softc(ctx);
1630 	struct xgbe_prv_data    *pdata = &sc->pdata;
1631 
1632 	axgbe_pci_init(pdata);
1633 }
1634 
1635 static void
axgbe_pci_stop(if_ctx_t ctx)1636 axgbe_pci_stop(if_ctx_t ctx)
1637 {
1638 	struct axgbe_if_softc   *sc = iflib_get_softc(ctx);
1639         struct xgbe_prv_data    *pdata = &sc->pdata;
1640 	struct xgbe_hw_if       *hw_if = &pdata->hw_if;
1641 	int ret;
1642 
1643 	if (__predict_false(test_bit(XGBE_DOWN, &pdata->dev_state))) {
1644 		axgbe_printf(1, "%s: Stopping when XGBE_DOWN\n", __func__);
1645 		return;
1646 	}
1647 
1648 	xgbe_stop_timers(pdata);
1649 	taskqueue_drain_all(pdata->dev_workqueue);
1650 
1651 	hw_if->disable_tx(pdata);
1652 	hw_if->disable_rx(pdata);
1653 
1654 	ret = hw_if->exit(pdata);
1655 	if (ret)
1656 		axgbe_error("%s: exit error %d\n", __func__, ret);
1657 
1658 	set_bit(XGBE_DOWN, &pdata->dev_state);
1659 }
1660 
1661 static void
axgbe_if_stop(if_ctx_t ctx)1662 axgbe_if_stop(if_ctx_t ctx)
1663 {
1664 	axgbe_pci_stop(ctx);
1665 }
1666 
1667 static void
axgbe_if_disable_intr(if_ctx_t ctx)1668 axgbe_if_disable_intr(if_ctx_t ctx)
1669 {
1670 	/* TODO - implement */
1671 }
1672 
1673 static void
axgbe_if_enable_intr(if_ctx_t ctx)1674 axgbe_if_enable_intr(if_ctx_t ctx)
1675 {
1676 	/* TODO - implement */
1677 }
1678 
1679 static int
axgbe_if_tx_queues_alloc(if_ctx_t ctx,caddr_t * va,uint64_t * pa,int ntxqs,int ntxqsets)1680 axgbe_if_tx_queues_alloc(if_ctx_t ctx, caddr_t *va, uint64_t *pa, int ntxqs,
1681     int ntxqsets)
1682 {
1683 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1684 	struct xgbe_prv_data 	*pdata = &sc->pdata;
1685 	if_softc_ctx_t		scctx = sc->scctx;
1686 	struct xgbe_channel	*channel;
1687 	struct xgbe_ring	*tx_ring;
1688 	int			i, j, k;
1689 
1690 	MPASS(scctx->isc_ntxqsets > 0);
1691 	MPASS(scctx->isc_ntxqsets == ntxqsets);
1692 	MPASS(ntxqs == 1);
1693 
1694 	axgbe_printf(1, "%s: txqsets %d/%d txqs %d\n", __func__,
1695 	    scctx->isc_ntxqsets, ntxqsets, ntxqs);
1696 
1697 	for (i = 0 ; i < ntxqsets; i++) {
1698 
1699 		channel = pdata->channel[i];
1700 
1701 		tx_ring = (struct xgbe_ring*)malloc(ntxqs *
1702 		    sizeof(struct xgbe_ring), M_AXGBE, M_NOWAIT | M_ZERO);
1703 
1704 		if (tx_ring == NULL) {
1705 			axgbe_error("Unable to allocate TX ring memory\n");
1706 			goto tx_ring_fail;
1707 		}
1708 
1709 		channel->tx_ring = tx_ring;
1710 
1711 		for (j = 0; j < ntxqs; j++, tx_ring++) {
1712 			tx_ring->rdata =
1713 			    (struct xgbe_ring_data*)malloc(scctx->isc_ntxd[j] *
1714 			    sizeof(struct xgbe_ring_data), M_AXGBE, M_NOWAIT);
1715 
1716 			/* Get the virtual & physical address of hw queues */
1717 			tx_ring->rdesc = (struct xgbe_ring_desc *)va[i*ntxqs + j];
1718 			tx_ring->rdesc_paddr = pa[i*ntxqs + j];
1719 			tx_ring->rdesc_count = scctx->isc_ntxd[j];
1720 			spin_lock_init(&tx_ring->lock);
1721 		}
1722 	}
1723 
1724 	axgbe_printf(1, "allocated for %d tx queues\n", scctx->isc_ntxqsets);
1725 
1726 	return (0);
1727 
1728 tx_ring_fail:
1729 
1730 	for (j = 0; j < i ; j++) {
1731 
1732 		channel = pdata->channel[j];
1733 
1734 		tx_ring = channel->tx_ring;
1735 		for (k = 0; k < ntxqs ; k++, tx_ring++) {
1736 			if (tx_ring && tx_ring->rdata)
1737 				free(tx_ring->rdata, M_AXGBE);
1738 		}
1739 		free(channel->tx_ring, M_AXGBE);
1740 
1741 		channel->tx_ring = NULL;
1742 	}
1743 
1744 	return (ENOMEM);
1745 
1746 } /* axgbe_if_tx_queues_alloc */
1747 
1748 static int
axgbe_if_rx_queues_alloc(if_ctx_t ctx,caddr_t * va,uint64_t * pa,int nrxqs,int nrxqsets)1749 axgbe_if_rx_queues_alloc(if_ctx_t ctx, caddr_t *va, uint64_t *pa, int nrxqs,
1750     int nrxqsets)
1751 {
1752 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1753 	struct xgbe_prv_data 	*pdata = &sc->pdata;
1754 	if_softc_ctx_t		scctx = sc->scctx;
1755 	struct xgbe_channel	*channel;
1756 	struct xgbe_ring	*rx_ring;
1757 	int			i, j, k;
1758 
1759 	MPASS(scctx->isc_nrxqsets > 0);
1760 	MPASS(scctx->isc_nrxqsets == nrxqsets);
1761 	if (!pdata->sph_enable) {
1762 		MPASS(nrxqs == 1);
1763 	} else {
1764 		MPASS(nrxqs == 2);
1765 	}
1766 
1767 	axgbe_printf(1, "%s: rxqsets %d/%d rxqs %d\n", __func__,
1768 	    scctx->isc_nrxqsets, nrxqsets, nrxqs);
1769 
1770 	for (i = 0 ; i < nrxqsets; i++) {
1771 
1772 		channel = pdata->channel[i];
1773 
1774 		rx_ring = (struct xgbe_ring*)malloc(nrxqs *
1775 		    sizeof(struct xgbe_ring), M_AXGBE, M_NOWAIT | M_ZERO);
1776 
1777 		if (rx_ring == NULL) {
1778 			axgbe_error("Unable to allocate RX ring memory\n");
1779 			goto rx_ring_fail;
1780 		}
1781 
1782 		channel->rx_ring = rx_ring;
1783 
1784 		for (j = 0; j < nrxqs; j++, rx_ring++) {
1785 			rx_ring->rdata =
1786 			    (struct xgbe_ring_data*)malloc(scctx->isc_nrxd[j] *
1787 			    sizeof(struct xgbe_ring_data), M_AXGBE, M_NOWAIT);
1788 
1789 			/* Get the virtual and physical address of the hw queues */
1790 			rx_ring->rdesc = (struct xgbe_ring_desc *)va[i*nrxqs + j];
1791 			rx_ring->rdesc_paddr = pa[i*nrxqs + j];
1792 			rx_ring->rdesc_count = scctx->isc_nrxd[j];
1793 			spin_lock_init(&rx_ring->lock);
1794 		}
1795 	}
1796 
1797 	axgbe_printf(2, "allocated for %d rx queues\n", scctx->isc_nrxqsets);
1798 
1799 	return (0);
1800 
1801 rx_ring_fail:
1802 
1803 	for (j = 0 ; j < i ; j++) {
1804 
1805 		channel = pdata->channel[j];
1806 
1807 		rx_ring = channel->rx_ring;
1808 		for (k = 0; k < nrxqs ; k++, rx_ring++) {
1809 			if (rx_ring && rx_ring->rdata)
1810 				free(rx_ring->rdata, M_AXGBE);
1811 		}
1812 		free(channel->rx_ring, M_AXGBE);
1813 
1814 		channel->rx_ring = NULL;
1815 	}
1816 
1817 	return (ENOMEM);
1818 
1819 } /* axgbe_if_rx_queues_alloc */
1820 
1821 static void
axgbe_if_queues_free(if_ctx_t ctx)1822 axgbe_if_queues_free(if_ctx_t ctx)
1823 {
1824 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1825 	struct xgbe_prv_data 	*pdata = &sc->pdata;
1826 	if_softc_ctx_t		scctx = sc->scctx;
1827 	if_shared_ctx_t		sctx = sc->sctx;
1828 	struct xgbe_channel	*channel;
1829 	struct xgbe_ring        *tx_ring;
1830 	struct xgbe_ring        *rx_ring;
1831 	int i, j;
1832 
1833 	for (i = 0 ; i < scctx->isc_ntxqsets; i++) {
1834 
1835 		channel = pdata->channel[i];
1836 
1837 		tx_ring = channel->tx_ring;
1838 		for (j = 0; j < sctx->isc_ntxqs ; j++, tx_ring++) {
1839 			if (tx_ring && tx_ring->rdata)
1840 				free(tx_ring->rdata, M_AXGBE);
1841 		}
1842 		free(channel->tx_ring, M_AXGBE);
1843 		channel->tx_ring = NULL;
1844 	}
1845 
1846 	for (i = 0 ; i < scctx->isc_nrxqsets; i++) {
1847 
1848 		channel = pdata->channel[i];
1849 
1850 		rx_ring = channel->rx_ring;
1851 		for (j = 0; j < sctx->isc_nrxqs ; j++, rx_ring++) {
1852 			if (rx_ring && rx_ring->rdata)
1853 				free(rx_ring->rdata, M_AXGBE);
1854 		}
1855 		free(channel->rx_ring, M_AXGBE);
1856 		channel->rx_ring = NULL;
1857 	}
1858 
1859 	axgbe_free_channels(sc);
1860 } /* axgbe_if_queues_free */
1861 
1862 static void
axgbe_if_vlan_register(if_ctx_t ctx,uint16_t vtag)1863 axgbe_if_vlan_register(if_ctx_t ctx, uint16_t vtag)
1864 {
1865 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1866 	struct xgbe_prv_data 	*pdata = &sc->pdata;
1867 	struct xgbe_hw_if 	*hw_if = &pdata->hw_if;
1868 
1869 	if (!bit_test(pdata->active_vlans, vtag)) {
1870 		axgbe_printf(0, "Registering VLAN %d\n", vtag);
1871 
1872 		bit_set(pdata->active_vlans, vtag);
1873 		hw_if->update_vlan_hash_table(pdata);
1874 		pdata->num_active_vlans++;
1875 
1876 		axgbe_printf(1, "Total active vlans: %d\n",
1877 		    pdata->num_active_vlans);
1878 	} else
1879 		axgbe_printf(0, "VLAN %d already registered\n", vtag);
1880 
1881 	xgbe_dump_active_vlans(pdata);
1882 }
1883 
1884 static void
axgbe_if_vlan_unregister(if_ctx_t ctx,uint16_t vtag)1885 axgbe_if_vlan_unregister(if_ctx_t ctx, uint16_t vtag)
1886 {
1887 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1888 	struct xgbe_prv_data 	*pdata = &sc->pdata;
1889 	struct xgbe_hw_if 	*hw_if = &pdata->hw_if;
1890 
1891 	if (pdata->num_active_vlans == 0) {
1892 		axgbe_printf(1, "No active VLANs to unregister\n");
1893 		return;
1894 	}
1895 
1896 	if (bit_test(pdata->active_vlans, vtag)){
1897 		axgbe_printf(0, "Un-Registering VLAN %d\n", vtag);
1898 
1899 		bit_clear(pdata->active_vlans, vtag);
1900 		hw_if->update_vlan_hash_table(pdata);
1901 		pdata->num_active_vlans--;
1902 
1903 		axgbe_printf(1, "Total active vlans: %d\n",
1904 		    pdata->num_active_vlans);
1905 	} else
1906 		axgbe_printf(0, "VLAN %d already unregistered\n", vtag);
1907 
1908 	xgbe_dump_active_vlans(pdata);
1909 }
1910 
1911 #if __FreeBSD_version >= 1300000
1912 static bool
axgbe_if_needs_restart(if_ctx_t ctx __unused,enum iflib_restart_event event)1913 axgbe_if_needs_restart(if_ctx_t ctx __unused, enum iflib_restart_event event)
1914 {
1915         switch (event) {
1916         case IFLIB_RESTART_VLAN_CONFIG:
1917         default:
1918                 return (true);
1919         }
1920 }
1921 #endif
1922 
1923 static int
axgbe_if_msix_intr_assign(if_ctx_t ctx,int msix)1924 axgbe_if_msix_intr_assign(if_ctx_t ctx, int msix)
1925 {
1926 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
1927 	struct xgbe_prv_data 	*pdata = &sc->pdata;
1928 	if_softc_ctx_t		scctx = sc->scctx;
1929 	struct xgbe_channel	*channel;
1930 	struct if_irq		irq;
1931 	int			i, error, rid = 0, flags;
1932 	char			buf[16];
1933 
1934 	MPASS(scctx->isc_intr != IFLIB_INTR_LEGACY);
1935 
1936 	pdata->isr_as_tasklet = 1;
1937 
1938 	if (scctx->isc_intr == IFLIB_INTR_MSI) {
1939 		pdata->irq_count = 1;
1940 		pdata->channel_irq_count = 1;
1941 		return (0);
1942 	}
1943 
1944 	axgbe_printf(1, "%s: msix %d txqsets %d rxqsets %d\n", __func__, msix,
1945 	    scctx->isc_ntxqsets, scctx->isc_nrxqsets);
1946 
1947 	flags = RF_ACTIVE;
1948 
1949 	/* DEV INTR SETUP */
1950 	rid++;
1951 	error = iflib_irq_alloc_generic(ctx, &pdata->dev_irq, rid,
1952 	    IFLIB_INTR_ADMIN, axgbe_dev_isr, sc, 0, "dev_irq");
1953 	if (error) {
1954 		axgbe_error("Failed to register device interrupt rid %d name %s\n",
1955 		    rid, "dev_irq");
1956 		return (error);
1957 	}
1958 
1959 	/* ECC INTR SETUP */
1960 	rid++;
1961 	pdata->ecc_rid = rid;
1962 	pdata->ecc_irq_res = bus_alloc_resource_any(pdata->dev, SYS_RES_IRQ,
1963 	    &rid, flags);
1964 	if (!pdata->ecc_irq_res) {
1965 		axgbe_error("failed to allocate IRQ for rid %d, name %s.\n",
1966 		    rid, "ecc_irq");
1967 		return (ENOMEM);
1968 	}
1969 
1970 	error = bus_setup_intr(pdata->dev, pdata->ecc_irq_res, INTR_MPSAFE |
1971 	    INTR_TYPE_NET, NULL, axgbe_ecc_isr, sc, &pdata->ecc_irq_tag);
1972         if (error) {
1973                 axgbe_error("failed to setup interrupt for rid %d, name %s: %d\n",
1974 		    rid, "ecc_irq", error);
1975                 return (error);
1976 	}
1977 
1978 	/* I2C INTR SETUP */
1979 	rid++;
1980 	pdata->i2c_rid = rid;
1981         pdata->i2c_irq_res = bus_alloc_resource_any(pdata->dev, SYS_RES_IRQ,
1982 	    &rid, flags);
1983         if (!pdata->i2c_irq_res) {
1984                 axgbe_error("failed to allocate IRQ for rid %d, name %s.\n",
1985 		    rid, "i2c_irq");
1986                 return (ENOMEM);
1987         }
1988 
1989         error = bus_setup_intr(pdata->dev, pdata->i2c_irq_res, INTR_MPSAFE |
1990 	    INTR_TYPE_NET, NULL, axgbe_i2c_isr, sc, &pdata->i2c_irq_tag);
1991         if (error) {
1992                 axgbe_error("failed to setup interrupt for rid %d, name %s: %d\n",
1993 		    rid, "i2c_irq", error);
1994                 return (error);
1995 	}
1996 
1997 	/* AN INTR SETUP */
1998 	rid++;
1999 	pdata->an_rid = rid;
2000         pdata->an_irq_res = bus_alloc_resource_any(pdata->dev, SYS_RES_IRQ,
2001 	    &rid, flags);
2002         if (!pdata->an_irq_res) {
2003                 axgbe_error("failed to allocate IRQ for rid %d, name %s.\n",
2004 		    rid, "an_irq");
2005                 return (ENOMEM);
2006         }
2007 
2008         error = bus_setup_intr(pdata->dev, pdata->an_irq_res, INTR_MPSAFE |
2009 	    INTR_TYPE_NET, NULL, axgbe_an_isr, sc, &pdata->an_irq_tag);
2010         if (error) {
2011                 axgbe_error("failed to setup interrupt for rid %d, name %s: %d\n",
2012 		    rid, "an_irq", error);
2013                 return (error);
2014 	}
2015 
2016 	pdata->per_channel_irq = 1;
2017 	pdata->channel_irq_mode = XGBE_IRQ_MODE_LEVEL;
2018 	rid++;
2019 	for (i = 0; i < scctx->isc_nrxqsets; i++, rid++) {
2020 
2021 		channel = pdata->channel[i];
2022 
2023 		snprintf(buf, sizeof(buf), "rxq%d", i);
2024 		error = iflib_irq_alloc_generic(ctx, &irq, rid, IFLIB_INTR_RXTX,
2025 		    axgbe_msix_que, channel, channel->queue_index, buf);
2026 
2027 		if (error) {
2028 			axgbe_error("Failed to allocated que int %d err: %d\n",
2029 			    i, error);
2030 			return (error);
2031 		}
2032 
2033 		channel->dma_irq_rid = rid;
2034 		channel->dma_irq_res = irq.ii_res;
2035 		channel->dma_irq_tag = irq.ii_tag;
2036 		axgbe_printf(1, "%s: channel count %d idx %d irq %d\n",
2037 		    __func__, scctx->isc_nrxqsets, i, rid);
2038 	}
2039 	pdata->irq_count = msix;
2040 	pdata->channel_irq_count = scctx->isc_nrxqsets;
2041 
2042 	for (i = 0; i < scctx->isc_ntxqsets; i++) {
2043 
2044 		channel = pdata->channel[i];
2045 
2046 		snprintf(buf, sizeof(buf), "txq%d", i);
2047 		irq.ii_res = channel->dma_irq_res;
2048 		iflib_softirq_alloc_generic(ctx, &irq, IFLIB_INTR_TX, channel,
2049 		    channel->queue_index, buf);
2050 	}
2051 
2052 	return (0);
2053 } /* axgbe_if_msix_intr_assign */
2054 
2055 static int
xgbe_enable_rx_tx_int(struct xgbe_prv_data * pdata,struct xgbe_channel * channel)2056 xgbe_enable_rx_tx_int(struct xgbe_prv_data *pdata, struct xgbe_channel *channel)
2057 {
2058         struct xgbe_hw_if *hw_if = &pdata->hw_if;
2059         enum xgbe_int int_id;
2060 
2061 	if (channel->tx_ring && channel->rx_ring)
2062 		int_id = XGMAC_INT_DMA_CH_SR_TI_RI;
2063 	else if (channel->tx_ring)
2064 		int_id = XGMAC_INT_DMA_CH_SR_TI;
2065 	else if (channel->rx_ring)
2066 		int_id = XGMAC_INT_DMA_CH_SR_RI;
2067 	else
2068 		return (-1);
2069 
2070 	axgbe_printf(1, "%s channel: %d rx_tx interrupt enabled %d\n",
2071 	    __func__, channel->queue_index, int_id);
2072         return (hw_if->enable_int(channel, int_id));
2073 }
2074 
2075 static void
xgbe_disable_rx_tx_int(struct xgbe_prv_data * pdata,struct xgbe_channel * channel)2076 xgbe_disable_rx_tx_int(struct xgbe_prv_data *pdata, struct xgbe_channel *channel)
2077 {
2078         struct xgbe_hw_if *hw_if = &pdata->hw_if;
2079         enum xgbe_int int_id;
2080 
2081         if (channel->tx_ring && channel->rx_ring)
2082                 int_id = XGMAC_INT_DMA_CH_SR_TI_RI;
2083         else if (channel->tx_ring)
2084                 int_id = XGMAC_INT_DMA_CH_SR_TI;
2085         else if (channel->rx_ring)
2086                 int_id = XGMAC_INT_DMA_CH_SR_RI;
2087         else
2088                 return;
2089 
2090 	axgbe_printf(1, "%s channel: %d rx_tx interrupt disabled %d\n",
2091 	    __func__, channel->queue_index, int_id);
2092         hw_if->disable_int(channel, int_id);
2093 }
2094 
2095 static void
xgbe_disable_rx_tx_ints(struct xgbe_prv_data * pdata)2096 xgbe_disable_rx_tx_ints(struct xgbe_prv_data *pdata)
2097 {
2098         unsigned int i;
2099 
2100         for (i = 0; i < pdata->channel_count; i++)
2101                 xgbe_disable_rx_tx_int(pdata, pdata->channel[i]);
2102 }
2103 
2104 static int
axgbe_msix_que(void * arg)2105 axgbe_msix_que(void *arg)
2106 {
2107 	struct xgbe_channel	*channel = (struct xgbe_channel *)arg;
2108 	struct xgbe_prv_data	*pdata = channel->pdata;
2109 	unsigned int 		dma_status;
2110 
2111 	axgbe_printf(1, "%s: Channel: %d SR 0x%04x DSR 0x%04x IER:0x%04x D_ISR:0x%04x M_ISR:0x%04x\n",
2112 	    __func__, channel->queue_index,
2113 	    XGMAC_DMA_IOREAD(channel, DMA_CH_SR),
2114 	    XGMAC_DMA_IOREAD(channel, DMA_CH_DSR),
2115 	    XGMAC_DMA_IOREAD(channel, DMA_CH_IER),
2116 	    XGMAC_IOREAD(pdata, DMA_ISR),
2117 	    XGMAC_IOREAD(pdata, MAC_ISR));
2118 
2119 	(void)XGMAC_DMA_IOREAD(channel, DMA_CH_SR);
2120 
2121 	/* Disable Tx and Rx channel interrupts */
2122 	xgbe_disable_rx_tx_int(pdata, channel);
2123 
2124 	/* Clear the interrupts */
2125 	dma_status = 0;
2126 	XGMAC_SET_BITS(dma_status, DMA_CH_SR, TI, 1);
2127 	XGMAC_SET_BITS(dma_status, DMA_CH_SR, RI, 1);
2128 	XGMAC_DMA_IOWRITE(channel, DMA_CH_SR, dma_status);
2129 
2130 	return (FILTER_SCHEDULE_THREAD);
2131 }
2132 
2133 static int
axgbe_dev_isr(void * arg)2134 axgbe_dev_isr(void *arg)
2135 {
2136 	struct axgbe_if_softc *sc = (struct axgbe_if_softc *)arg;
2137 	struct xgbe_prv_data	*pdata = &sc->pdata;
2138 	struct xgbe_channel	*channel;
2139 	struct xgbe_hw_if	*hw_if = &pdata->hw_if;
2140 	unsigned int		i, dma_isr, dma_ch_isr;
2141 	unsigned int		mac_isr, mac_mdioisr;
2142 	int ret = FILTER_HANDLED;
2143 
2144 	dma_isr = XGMAC_IOREAD(pdata, DMA_ISR);
2145 	axgbe_printf(2, "%s DMA ISR: 0x%x\n", __func__, dma_isr);
2146 
2147         if (!dma_isr)
2148                 return (FILTER_HANDLED);
2149 
2150         for (i = 0; i < pdata->channel_count; i++) {
2151 
2152                 if (!(dma_isr & (1 << i)))
2153                         continue;
2154 
2155                 channel = pdata->channel[i];
2156 
2157                 dma_ch_isr = XGMAC_DMA_IOREAD(channel, DMA_CH_SR);
2158 		axgbe_printf(2, "%s: channel %d SR 0x%x DSR 0x%x\n", __func__,
2159 		    channel->queue_index, dma_ch_isr, XGMAC_DMA_IOREAD(channel,
2160 		    DMA_CH_DSR));
2161 
2162                 /*
2163 		 * The TI or RI interrupt bits may still be set even if using
2164                  * per channel DMA interrupts. Check to be sure those are not
2165                  * enabled before using the private data napi structure.
2166                  */
2167 		if (!pdata->per_channel_irq &&
2168 		    (XGMAC_GET_BITS(dma_ch_isr, DMA_CH_SR, TI) ||
2169 		    XGMAC_GET_BITS(dma_ch_isr, DMA_CH_SR, RI))) {
2170 
2171 			/* Disable Tx and Rx interrupts */
2172 			xgbe_disable_rx_tx_ints(pdata);
2173                 } else {
2174 
2175 			/*
2176 			 * Don't clear Rx/Tx status if doing per channel DMA
2177 			 * interrupts, these will be cleared by the ISR for
2178 		 	 * per channel DMA interrupts
2179 		 	 */
2180                 	XGMAC_SET_BITS(dma_ch_isr, DMA_CH_SR, TI, 0);
2181                 	XGMAC_SET_BITS(dma_ch_isr, DMA_CH_SR, RI, 0);
2182 		}
2183 
2184                 if (XGMAC_GET_BITS(dma_ch_isr, DMA_CH_SR, RBU))
2185                         pdata->ext_stats.rx_buffer_unavailable++;
2186 
2187                 /* Restart the device on a Fatal Bus Error */
2188                 if (XGMAC_GET_BITS(dma_ch_isr, DMA_CH_SR, FBE))
2189 			axgbe_error("%s: Fatal bus error reported 0x%x\n",
2190 			    __func__, dma_ch_isr);
2191 
2192                 /* Clear all interrupt signals */
2193                 XGMAC_DMA_IOWRITE(channel, DMA_CH_SR, dma_ch_isr);
2194 
2195 		ret = FILTER_SCHEDULE_THREAD;
2196         }
2197 
2198         if (XGMAC_GET_BITS(dma_isr, DMA_ISR, MACIS)) {
2199 
2200                 mac_isr = XGMAC_IOREAD(pdata, MAC_ISR);
2201 		axgbe_printf(2, "%s MAC ISR: 0x%x\n", __func__, mac_isr);
2202 
2203                 if (XGMAC_GET_BITS(mac_isr, MAC_ISR, MMCTXIS))
2204                         hw_if->tx_mmc_int(pdata);
2205 
2206                 if (XGMAC_GET_BITS(mac_isr, MAC_ISR, MMCRXIS))
2207                         hw_if->rx_mmc_int(pdata);
2208 
2209 		if (XGMAC_GET_BITS(mac_isr, MAC_ISR, SMI)) {
2210 			mac_mdioisr = XGMAC_IOREAD(pdata, MAC_MDIOISR);
2211 
2212 			if (XGMAC_GET_BITS(mac_mdioisr, MAC_MDIOISR,
2213 			    SNGLCOMPINT))
2214 				wakeup_one(pdata);
2215 		}
2216 
2217 	}
2218 
2219 	return (ret);
2220 } /* axgbe_dev_isr */
2221 
2222 static void
axgbe_i2c_isr(void * arg)2223 axgbe_i2c_isr(void *arg)
2224 {
2225 	struct axgbe_if_softc *sc = (struct axgbe_if_softc *)arg;
2226 
2227 	sc->pdata.i2c_if.i2c_isr(&sc->pdata);
2228 }
2229 
2230 static void
axgbe_ecc_isr(void * arg)2231 axgbe_ecc_isr(void *arg)
2232 {
2233 	/* TODO - implement */
2234 }
2235 
2236 static void
axgbe_an_isr(void * arg)2237 axgbe_an_isr(void *arg)
2238 {
2239 	struct axgbe_if_softc *sc = (struct axgbe_if_softc *)arg;
2240 
2241 	sc->pdata.phy_if.an_isr(&sc->pdata);
2242 }
2243 
2244 static int
axgbe_if_tx_queue_intr_enable(if_ctx_t ctx,uint16_t qid)2245 axgbe_if_tx_queue_intr_enable(if_ctx_t ctx, uint16_t qid)
2246 {
2247 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
2248 	struct xgbe_prv_data 	*pdata = &sc->pdata;
2249 	int ret;
2250 
2251 	if (qid < pdata->tx_q_count) {
2252 		ret = xgbe_enable_rx_tx_int(pdata, pdata->channel[qid]);
2253 		if (ret) {
2254 			axgbe_error("Enable TX INT failed\n");
2255 			return (ret);
2256 		}
2257 	} else
2258 		axgbe_error("Queue ID exceed channel count\n");
2259 
2260 	return (0);
2261 }
2262 
2263 static int
axgbe_if_rx_queue_intr_enable(if_ctx_t ctx,uint16_t qid)2264 axgbe_if_rx_queue_intr_enable(if_ctx_t ctx, uint16_t qid)
2265 {
2266 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
2267 	struct xgbe_prv_data 	*pdata = &sc->pdata;
2268 	int ret;
2269 
2270 	if (qid < pdata->rx_q_count) {
2271 		ret = xgbe_enable_rx_tx_int(pdata, pdata->channel[qid]);
2272 		if (ret) {
2273 			axgbe_error("Enable RX INT failed\n");
2274 			return (ret);
2275 		}
2276 	} else
2277 		axgbe_error("Queue ID exceed channel count\n");
2278 
2279 	return (0);
2280 }
2281 
2282 static void
axgbe_if_update_admin_status(if_ctx_t ctx)2283 axgbe_if_update_admin_status(if_ctx_t ctx)
2284 {
2285 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
2286 	struct xgbe_prv_data 	*pdata = &sc->pdata;
2287 
2288 	axgbe_printf(1, "%s: phy_link %d status %d speed %d\n", __func__,
2289 	    pdata->phy_link, sc->link_status, pdata->phy.speed);
2290 
2291 	if (pdata->phy_link < 0)
2292 		return;
2293 
2294 	if (pdata->phy_link) {
2295 		if (sc->link_status == LINK_STATE_DOWN) {
2296 			sc->link_status = LINK_STATE_UP;
2297 			if (pdata->phy.speed & SPEED_10000)
2298 				iflib_link_state_change(ctx, LINK_STATE_UP,
2299 				    IF_Gbps(10));
2300 			else if (pdata->phy.speed & SPEED_2500)
2301 				iflib_link_state_change(ctx, LINK_STATE_UP,
2302 				    IF_Gbps(2.5));
2303 			else if (pdata->phy.speed & SPEED_1000)
2304 				iflib_link_state_change(ctx, LINK_STATE_UP,
2305 				    IF_Gbps(1));
2306 			else if (pdata->phy.speed & SPEED_100)
2307 				iflib_link_state_change(ctx, LINK_STATE_UP,
2308 				    IF_Mbps(100));
2309 			else if (pdata->phy.speed & SPEED_10)
2310 				iflib_link_state_change(ctx, LINK_STATE_UP,
2311 				    IF_Mbps(10));
2312 		}
2313 	} else {
2314 		if (sc->link_status == LINK_STATE_UP) {
2315 			sc->link_status = LINK_STATE_DOWN;
2316 			iflib_link_state_change(ctx, LINK_STATE_DOWN, 0);
2317 		}
2318 	}
2319 }
2320 
2321 static int
axgbe_if_media_change(if_ctx_t ctx)2322 axgbe_if_media_change(if_ctx_t ctx)
2323 {
2324         struct axgbe_if_softc   *sc = iflib_get_softc(ctx);
2325         struct ifmedia          *ifm = iflib_get_media(ctx);
2326 
2327         sx_xlock(&sc->pdata.an_mutex);
2328         if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
2329                 return (EINVAL);
2330 
2331         switch (IFM_SUBTYPE(ifm->ifm_media)) {
2332         case IFM_10G_KR:
2333                 sc->pdata.phy.speed = SPEED_10000;
2334                 sc->pdata.phy.autoneg = AUTONEG_DISABLE;
2335                 break;
2336         case IFM_2500_KX:
2337                 sc->pdata.phy.speed = SPEED_2500;
2338                 sc->pdata.phy.autoneg = AUTONEG_DISABLE;
2339                 break;
2340         case IFM_1000_KX:
2341                 sc->pdata.phy.speed = SPEED_1000;
2342                 sc->pdata.phy.autoneg = AUTONEG_DISABLE;
2343                 break;
2344         case IFM_100_TX:
2345                 sc->pdata.phy.speed = SPEED_100;
2346                 sc->pdata.phy.autoneg = AUTONEG_DISABLE;
2347                 break;
2348         case IFM_AUTO:
2349                 sc->pdata.phy.autoneg = AUTONEG_ENABLE;
2350                 break;
2351         }
2352         sx_xunlock(&sc->pdata.an_mutex);
2353 
2354         return (-sc->pdata.phy_if.phy_config_aneg(&sc->pdata));
2355 }
2356 
2357 static int
axgbe_if_promisc_set(if_ctx_t ctx,int flags)2358 axgbe_if_promisc_set(if_ctx_t ctx, int flags)
2359 {
2360 	struct axgbe_if_softc *sc = iflib_get_softc(ctx);
2361 	struct xgbe_prv_data *pdata = &sc->pdata;
2362 	if_t ifp = pdata->netdev;
2363 
2364 	axgbe_printf(1, "%s: MAC_PFR 0x%x drv_flags 0x%x if_flags 0x%x\n",
2365 	    __func__, XGMAC_IOREAD(pdata, MAC_PFR), if_getdrvflags(ifp),
2366 	    flags);
2367 
2368 	if (flags & IFF_PROMISC) {
2369 
2370 		axgbe_printf(1, "Requested to enter promisc mode\n");
2371 
2372 		if (XGMAC_IOREAD_BITS(pdata, MAC_PFR, PR) == 1) {
2373 			axgbe_printf(1, "Already in promisc mode\n");
2374 			return (0);
2375 		}
2376 
2377 		axgbe_printf(1, "Entering promisc mode\n");
2378 		XGMAC_IOWRITE_BITS(pdata, MAC_PFR, PR, 1);
2379 		/* Disable VLAN filtering */
2380 		XGMAC_IOWRITE_BITS(pdata, MAC_PFR, VTFE, 0);
2381 	} else {
2382 
2383 		axgbe_printf(1, "Requested to leave promisc mode\n");
2384 
2385 		if (XGMAC_IOREAD_BITS(pdata, MAC_PFR, PR) == 0) {
2386 			axgbe_printf(1, "Already not in promisc mode\n");
2387 			return (0);
2388 		}
2389 
2390 		axgbe_printf(1, "Leaving promisc mode\n");
2391 		XGMAC_IOWRITE_BITS(pdata, MAC_PFR, PR, 0);
2392 		/* Enable VLAN filtering */
2393 		XGMAC_IOWRITE_BITS(pdata, MAC_PFR, VTFE, 1);
2394 	}
2395 
2396 	return (0);
2397 }
2398 
2399 static uint64_t
axgbe_if_get_counter(if_ctx_t ctx,ift_counter cnt)2400 axgbe_if_get_counter(if_ctx_t ctx, ift_counter cnt)
2401 {
2402 	struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
2403         if_t			 ifp = iflib_get_ifp(ctx);
2404         struct xgbe_prv_data    *pdata = &sc->pdata;
2405         struct xgbe_mmc_stats	*pstats = &pdata->mmc_stats;
2406 
2407         pdata->hw_if.read_mmc_stats(pdata);
2408 
2409         switch(cnt) {
2410         case IFCOUNTER_IPACKETS:
2411                 return (pstats->rxframecount_gb);
2412         case IFCOUNTER_IERRORS:
2413                 return (pstats->rxframecount_gb - pstats->rxbroadcastframes_g -
2414                     pstats->rxmulticastframes_g - pstats->rxunicastframes_g);
2415         case IFCOUNTER_OPACKETS:
2416                 return (pstats->txframecount_gb);
2417         case IFCOUNTER_OERRORS:
2418                 return (pstats->txframecount_gb - pstats->txframecount_g);
2419         case IFCOUNTER_IBYTES:
2420                 return (pstats->rxoctetcount_gb);
2421         case IFCOUNTER_OBYTES:
2422                 return (pstats->txoctetcount_gb);
2423         default:
2424                 return (if_get_counter_default(ifp, cnt));
2425         }
2426 }
2427 
2428 static int
axgbe_if_mtu_set(if_ctx_t ctx,uint32_t mtu)2429 axgbe_if_mtu_set(if_ctx_t ctx, uint32_t mtu)
2430 {
2431         struct axgbe_if_softc	*sc = iflib_get_softc(ctx);
2432 	struct xgbe_prv_data	*pdata = &sc->pdata;
2433 	int ret;
2434 
2435         if (mtu > XGMAC_JUMBO_PACKET_MTU)
2436                 return (EINVAL);
2437 
2438 	ret = xgbe_calc_rx_buf_size(pdata->netdev, mtu);
2439         pdata->rx_buf_size = ret;
2440         axgbe_printf(1, "%s: rx_buf_size %d\n", __func__, ret);
2441 
2442         sc->scctx->isc_max_frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
2443         return (0);
2444 }
2445 
2446 static void
axgbe_if_media_status(if_ctx_t ctx,struct ifmediareq * ifmr)2447 axgbe_if_media_status(if_ctx_t ctx, struct ifmediareq * ifmr)
2448 {
2449         struct axgbe_if_softc *sc = iflib_get_softc(ctx);
2450         struct xgbe_prv_data *pdata = &sc->pdata;
2451 
2452         ifmr->ifm_status = IFM_AVALID;
2453 	if (!sc->pdata.phy.link)
2454 		return;
2455 
2456 	ifmr->ifm_active = IFM_ETHER;
2457 	ifmr->ifm_status |= IFM_ACTIVE;
2458 
2459 	axgbe_printf(1, "Speed 0x%x Mode %d\n", sc->pdata.phy.speed,
2460 	    pdata->phy_if.phy_impl.cur_mode(pdata));
2461 	pdata->phy_if.phy_impl.get_type(pdata, ifmr);
2462 
2463 	ifmr->ifm_active |= IFM_FDX;
2464 	ifmr->ifm_active |= IFM_ETH_TXPAUSE;
2465 	ifmr->ifm_active |= IFM_ETH_RXPAUSE;
2466 }
2467