1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (c) 2018, Intel Corporation. */
3
4 #ifndef _ICE_H_
5 #define _ICE_H_
6
7 #include <linux/types.h>
8 #include <linux/errno.h>
9 #include <linux/kernel.h>
10 #include <linux/module.h>
11 #include <linux/firmware.h>
12 #include <linux/netdevice.h>
13 #include <linux/compiler.h>
14 #include <linux/etherdevice.h>
15 #include <linux/skbuff.h>
16 #include <linux/cpumask.h>
17 #include <linux/rtnetlink.h>
18 #include <linux/if_vlan.h>
19 #include <linux/dma-mapping.h>
20 #include <linux/pci.h>
21 #include <linux/workqueue.h>
22 #include <linux/wait.h>
23 #include <linux/interrupt.h>
24 #include <linux/ethtool.h>
25 #include <linux/timer.h>
26 #include <linux/delay.h>
27 #include <linux/bitmap.h>
28 #include <linux/log2.h>
29 #include <linux/ip.h>
30 #include <linux/sctp.h>
31 #include <linux/ipv6.h>
32 #include <linux/pkt_sched.h>
33 #include <linux/if_bridge.h>
34 #include <linux/ctype.h>
35 #include <linux/linkmode.h>
36 #include <linux/bpf.h>
37 #include <linux/btf.h>
38 #include <linux/auxiliary_bus.h>
39 #include <linux/avf/virtchnl.h>
40 #include <linux/cpu_rmap.h>
41 #include <linux/dim.h>
42 #include <linux/gnss.h>
43 #include <net/pkt_cls.h>
44 #include <net/pkt_sched.h>
45 #include <net/tc_act/tc_mirred.h>
46 #include <net/tc_act/tc_gact.h>
47 #include <net/ip.h>
48 #include <net/devlink.h>
49 #include <net/ipv6.h>
50 #include <net/xdp_sock.h>
51 #include <net/xdp_sock_drv.h>
52 #include <net/geneve.h>
53 #include <net/gre.h>
54 #include <net/udp_tunnel.h>
55 #include <net/vxlan.h>
56 #include <net/gtp.h>
57 #include <linux/ppp_defs.h>
58 #include "ice_devids.h"
59 #include "ice_type.h"
60 #include "ice_txrx.h"
61 #include "ice_dcb.h"
62 #include "ice_switch.h"
63 #include "ice_common.h"
64 #include "ice_flow.h"
65 #include "ice_sched.h"
66 #include "ice_idc_int.h"
67 #include "ice_sriov.h"
68 #include "ice_vf_mbx.h"
69 #include "ice_ptp.h"
70 #include "ice_fdir.h"
71 #include "ice_xsk.h"
72 #include "ice_arfs.h"
73 #include "ice_repr.h"
74 #include "ice_eswitch.h"
75 #include "ice_lag.h"
76 #include "ice_vsi_vlan_ops.h"
77 #include "ice_gnss.h"
78 #include "ice_irq.h"
79 #include "ice_dpll.h"
80 #include "ice_adapter.h"
81
82 #define ICE_BAR0 0
83 #define ICE_REQ_DESC_MULTIPLE 32
84 #define ICE_MIN_NUM_DESC 64
85 #define ICE_MAX_NUM_DESC 8160
86 #define ICE_DFLT_MIN_RX_DESC 512
87 #define ICE_DFLT_NUM_TX_DESC 256
88 #define ICE_DFLT_NUM_RX_DESC 2048
89
90 #define ICE_DFLT_TRAFFIC_CLASS BIT(0)
91 #define ICE_INT_NAME_STR_LEN (IFNAMSIZ + 16)
92 #define ICE_AQ_LEN 192
93 #define ICE_MBXSQ_LEN 64
94 #define ICE_SBQ_LEN 64
95 #define ICE_MIN_LAN_TXRX_MSIX 1
96 #define ICE_MIN_LAN_OICR_MSIX 1
97 #define ICE_MIN_MSIX (ICE_MIN_LAN_TXRX_MSIX + ICE_MIN_LAN_OICR_MSIX)
98 #define ICE_FDIR_MSIX 2
99 #define ICE_RDMA_NUM_AEQ_MSIX 4
100 #define ICE_MIN_RDMA_MSIX 2
101 #define ICE_ESWITCH_MSIX 1
102 #define ICE_NO_VSI 0xffff
103 #define ICE_VSI_MAP_CONTIG 0
104 #define ICE_VSI_MAP_SCATTER 1
105 #define ICE_MAX_SCATTER_TXQS 16
106 #define ICE_MAX_SCATTER_RXQS 16
107 #define ICE_Q_WAIT_RETRY_LIMIT 10
108 #define ICE_Q_WAIT_MAX_RETRY (5 * ICE_Q_WAIT_RETRY_LIMIT)
109 #define ICE_MAX_LG_RSS_QS 256
110 #define ICE_INVAL_Q_INDEX 0xffff
111
112 #define ICE_MAX_RXQS_PER_TC 256 /* Used when setting VSI context per TC Rx queues */
113
114 #define ICE_CHNL_START_TC 1
115
116 #define ICE_MAX_RESET_WAIT 20
117
118 #define ICE_VSIQF_HKEY_ARRAY_SIZE ((VSIQF_HKEY_MAX_INDEX + 1) * 4)
119
120 #define ICE_DFLT_NETIF_M (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK)
121
122 #define ICE_MAX_MTU (ICE_AQ_SET_MAC_FRAME_SIZE_MAX - ICE_ETH_PKT_HDR_PAD)
123
124 #define ICE_MAX_TSO_SIZE 131072
125
126 #define ICE_UP_TABLE_TRANSLATE(val, i) \
127 (((val) << ICE_AQ_VSI_UP_TABLE_UP##i##_S) & \
128 ICE_AQ_VSI_UP_TABLE_UP##i##_M)
129
130 #define ICE_TX_DESC(R, i) (&(((struct ice_tx_desc *)((R)->desc))[i]))
131 #define ICE_RX_DESC(R, i) (&(((union ice_32b_rx_flex_desc *)((R)->desc))[i]))
132 #define ICE_TX_CTX_DESC(R, i) (&(((struct ice_tx_ctx_desc *)((R)->desc))[i]))
133 #define ICE_TX_FDIRDESC(R, i) (&(((struct ice_fltr_desc *)((R)->desc))[i]))
134
135 /* Minimum BW limit is 500 Kbps for any scheduler node */
136 #define ICE_MIN_BW_LIMIT 500
137 /* User can specify BW in either Kbit/Mbit/Gbit and OS converts it in bytes.
138 * use it to convert user specified BW limit into Kbps
139 */
140 #define ICE_BW_KBPS_DIVISOR 125
141
142 /* Default recipes have priority 4 and below, hence priority values between 5..7
143 * can be used as filter priority for advanced switch filter (advanced switch
144 * filters need new recipe to be created for specified extraction sequence
145 * because default recipe extraction sequence does not represent custom
146 * extraction)
147 */
148 #define ICE_SWITCH_FLTR_PRIO_QUEUE 7
149 /* prio 6 is reserved for future use (e.g. switch filter with L3 fields +
150 * (Optional: IP TOS/TTL) + L4 fields + (optionally: TCP fields such as
151 * SYN/FIN/RST))
152 */
153 #define ICE_SWITCH_FLTR_PRIO_RSVD 6
154 #define ICE_SWITCH_FLTR_PRIO_VSI 5
155 #define ICE_SWITCH_FLTR_PRIO_QGRP ICE_SWITCH_FLTR_PRIO_VSI
156
157 /* Macro for each VSI in a PF */
158 #define ice_for_each_vsi(pf, i) \
159 for ((i) = 0; (i) < (pf)->num_alloc_vsi; (i)++)
160
161 /* Macros for each Tx/Xdp/Rx ring in a VSI */
162 #define ice_for_each_txq(vsi, i) \
163 for ((i) = 0; (i) < (vsi)->num_txq; (i)++)
164
165 #define ice_for_each_xdp_txq(vsi, i) \
166 for ((i) = 0; (i) < (vsi)->num_xdp_txq; (i)++)
167
168 #define ice_for_each_rxq(vsi, i) \
169 for ((i) = 0; (i) < (vsi)->num_rxq; (i)++)
170
171 /* Macros for each allocated Tx/Rx ring whether used or not in a VSI */
172 #define ice_for_each_alloc_txq(vsi, i) \
173 for ((i) = 0; (i) < (vsi)->alloc_txq; (i)++)
174
175 #define ice_for_each_alloc_rxq(vsi, i) \
176 for ((i) = 0; (i) < (vsi)->alloc_rxq; (i)++)
177
178 #define ice_for_each_q_vector(vsi, i) \
179 for ((i) = 0; (i) < (vsi)->num_q_vectors; (i)++)
180
181 #define ice_for_each_chnl_tc(i) \
182 for ((i) = ICE_CHNL_START_TC; (i) < ICE_CHNL_MAX_TC; (i)++)
183
184 #define ICE_UCAST_PROMISC_BITS (ICE_PROMISC_UCAST_TX | ICE_PROMISC_UCAST_RX)
185
186 #define ICE_UCAST_VLAN_PROMISC_BITS (ICE_PROMISC_UCAST_TX | \
187 ICE_PROMISC_UCAST_RX | \
188 ICE_PROMISC_VLAN_TX | \
189 ICE_PROMISC_VLAN_RX)
190
191 #define ICE_MCAST_PROMISC_BITS (ICE_PROMISC_MCAST_TX | ICE_PROMISC_MCAST_RX)
192
193 #define ICE_MCAST_VLAN_PROMISC_BITS (ICE_PROMISC_MCAST_TX | \
194 ICE_PROMISC_MCAST_RX | \
195 ICE_PROMISC_VLAN_TX | \
196 ICE_PROMISC_VLAN_RX)
197
198 #define ice_pf_to_dev(pf) (&((pf)->pdev->dev))
199
200 #define ice_pf_src_tmr_owned(pf) ((pf)->hw.func_caps.ts_func_info.src_tmr_owned)
201
202 enum ice_feature {
203 ICE_F_DSCP,
204 ICE_F_PHY_RCLK,
205 ICE_F_SMA_CTRL,
206 ICE_F_CGU,
207 ICE_F_GNSS,
208 ICE_F_ROCE_LAG,
209 ICE_F_SRIOV_LAG,
210 ICE_F_MAX
211 };
212
213 DECLARE_STATIC_KEY_FALSE(ice_xdp_locking_key);
214
215 struct ice_channel {
216 struct list_head list;
217 u8 type;
218 u16 sw_id;
219 u16 base_q;
220 u16 num_rxq;
221 u16 num_txq;
222 u16 vsi_num;
223 u8 ena_tc;
224 struct ice_aqc_vsi_props info;
225 u64 max_tx_rate;
226 u64 min_tx_rate;
227 atomic_t num_sb_fltr;
228 struct ice_vsi *ch_vsi;
229 };
230
231 struct ice_txq_meta {
232 u32 q_teid; /* Tx-scheduler element identifier */
233 u16 q_id; /* Entry in VSI's txq_map bitmap */
234 u16 q_handle; /* Relative index of Tx queue within TC */
235 u16 vsi_idx; /* VSI index that Tx queue belongs to */
236 u8 tc; /* TC number that Tx queue belongs to */
237 };
238
239 struct ice_tc_info {
240 u16 qoffset;
241 u16 qcount_tx;
242 u16 qcount_rx;
243 u8 netdev_tc;
244 };
245
246 struct ice_tc_cfg {
247 u8 numtc; /* Total number of enabled TCs */
248 u16 ena_tc; /* Tx map */
249 struct ice_tc_info tc_info[ICE_MAX_TRAFFIC_CLASS];
250 };
251
252 struct ice_qs_cfg {
253 struct mutex *qs_mutex; /* will be assigned to &pf->avail_q_mutex */
254 unsigned long *pf_map;
255 unsigned long pf_map_size;
256 unsigned int q_count;
257 unsigned int scatter_count;
258 u16 *vsi_map;
259 u16 vsi_map_offset;
260 u8 mapping_mode;
261 };
262
263 struct ice_sw {
264 struct ice_pf *pf;
265 u16 sw_id; /* switch ID for this switch */
266 u16 bridge_mode; /* VEB/VEPA/Port Virtualizer */
267 };
268
269 enum ice_pf_state {
270 ICE_TESTING,
271 ICE_DOWN,
272 ICE_NEEDS_RESTART,
273 ICE_PREPARED_FOR_RESET, /* set by driver when prepared */
274 ICE_RESET_OICR_RECV, /* set by driver after rcv reset OICR */
275 ICE_PFR_REQ, /* set by driver */
276 ICE_CORER_REQ, /* set by driver */
277 ICE_GLOBR_REQ, /* set by driver */
278 ICE_CORER_RECV, /* set by OICR handler */
279 ICE_GLOBR_RECV, /* set by OICR handler */
280 ICE_EMPR_RECV, /* set by OICR handler */
281 ICE_SUSPENDED, /* set on module remove path */
282 ICE_RESET_FAILED, /* set by reset/rebuild */
283 /* When checking for the PF to be in a nominal operating state, the
284 * bits that are grouped at the beginning of the list need to be
285 * checked. Bits occurring before ICE_STATE_NOMINAL_CHECK_BITS will
286 * be checked. If you need to add a bit into consideration for nominal
287 * operating state, it must be added before
288 * ICE_STATE_NOMINAL_CHECK_BITS. Do not move this entry's position
289 * without appropriate consideration.
290 */
291 ICE_STATE_NOMINAL_CHECK_BITS,
292 ICE_ADMINQ_EVENT_PENDING,
293 ICE_MAILBOXQ_EVENT_PENDING,
294 ICE_SIDEBANDQ_EVENT_PENDING,
295 ICE_MDD_EVENT_PENDING,
296 ICE_VFLR_EVENT_PENDING,
297 ICE_FLTR_OVERFLOW_PROMISC,
298 ICE_VF_DIS,
299 ICE_CFG_BUSY,
300 ICE_SERVICE_SCHED,
301 ICE_SERVICE_DIS,
302 ICE_FD_FLUSH_REQ,
303 ICE_OICR_INTR_DIS, /* Global OICR interrupt disabled */
304 ICE_MDD_VF_PRINT_PENDING, /* set when MDD event handle */
305 ICE_VF_RESETS_DISABLED, /* disable resets during ice_remove */
306 ICE_LINK_DEFAULT_OVERRIDE_PENDING,
307 ICE_PHY_INIT_COMPLETE,
308 ICE_FD_VF_FLUSH_CTX, /* set at FD Rx IRQ or timeout */
309 ICE_AUX_ERR_PENDING,
310 ICE_STATE_NBITS /* must be last */
311 };
312
313 enum ice_vsi_state {
314 ICE_VSI_DOWN,
315 ICE_VSI_NEEDS_RESTART,
316 ICE_VSI_NETDEV_ALLOCD,
317 ICE_VSI_NETDEV_REGISTERED,
318 ICE_VSI_UMAC_FLTR_CHANGED,
319 ICE_VSI_MMAC_FLTR_CHANGED,
320 ICE_VSI_PROMISC_CHANGED,
321 ICE_VSI_STATE_NBITS /* must be last */
322 };
323
324 struct ice_vsi_stats {
325 struct ice_ring_stats **tx_ring_stats; /* Tx ring stats array */
326 struct ice_ring_stats **rx_ring_stats; /* Rx ring stats array */
327 };
328
329 /* struct that defines a VSI, associated with a dev */
330 struct ice_vsi {
331 struct net_device *netdev;
332 struct ice_sw *vsw; /* switch this VSI is on */
333 struct ice_pf *back; /* back pointer to PF */
334 struct ice_rx_ring **rx_rings; /* Rx ring array */
335 struct ice_tx_ring **tx_rings; /* Tx ring array */
336 struct ice_q_vector **q_vectors; /* q_vector array */
337
338 irqreturn_t (*irq_handler)(int irq, void *data);
339
340 u64 tx_linearize;
341 DECLARE_BITMAP(state, ICE_VSI_STATE_NBITS);
342 unsigned int current_netdev_flags;
343 u32 tx_restart;
344 u32 tx_busy;
345 u32 rx_buf_failed;
346 u32 rx_page_failed;
347 u16 num_q_vectors;
348 /* tell if only dynamic irq allocation is allowed */
349 bool irq_dyn_alloc;
350
351 u16 vsi_num; /* HW (absolute) index of this VSI */
352 u16 idx; /* software index in pf->vsi[] */
353
354 u16 num_gfltr;
355 u16 num_bfltr;
356
357 /* RSS config */
358 u16 rss_table_size; /* HW RSS table size */
359 u16 rss_size; /* Allocated RSS queues */
360 u8 rss_hfunc; /* User configured hash type */
361 u8 *rss_hkey_user; /* User configured hash keys */
362 u8 *rss_lut_user; /* User configured lookup table entries */
363 u8 rss_lut_type; /* used to configure Get/Set RSS LUT AQ call */
364
365 /* aRFS members only allocated for the PF VSI */
366 #define ICE_MAX_ARFS_LIST 1024
367 #define ICE_ARFS_LST_MASK (ICE_MAX_ARFS_LIST - 1)
368 struct hlist_head *arfs_fltr_list;
369 struct ice_arfs_active_fltr_cntrs *arfs_fltr_cntrs;
370 spinlock_t arfs_lock; /* protects aRFS hash table and filter state */
371 atomic_t *arfs_last_fltr_id;
372
373 u16 max_frame;
374 u16 rx_buf_len;
375
376 struct ice_aqc_vsi_props info; /* VSI properties */
377 struct ice_vsi_vlan_info vlan_info; /* vlan config to be restored */
378
379 /* VSI stats */
380 struct rtnl_link_stats64 net_stats;
381 struct rtnl_link_stats64 net_stats_prev;
382 struct ice_eth_stats eth_stats;
383 struct ice_eth_stats eth_stats_prev;
384
385 struct list_head tmp_sync_list; /* MAC filters to be synced */
386 struct list_head tmp_unsync_list; /* MAC filters to be unsynced */
387
388 u8 irqs_ready:1;
389 u8 current_isup:1; /* Sync 'link up' logging */
390 u8 stat_offsets_loaded:1;
391 struct ice_vsi_vlan_ops inner_vlan_ops;
392 struct ice_vsi_vlan_ops outer_vlan_ops;
393 u16 num_vlan;
394
395 /* queue information */
396 u8 tx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */
397 u8 rx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */
398 u16 *txq_map; /* index in pf->avail_txqs */
399 u16 *rxq_map; /* index in pf->avail_rxqs */
400 u16 alloc_txq; /* Allocated Tx queues */
401 u16 num_txq; /* Used Tx queues */
402 u16 alloc_rxq; /* Allocated Rx queues */
403 u16 num_rxq; /* Used Rx queues */
404 u16 req_txq; /* User requested Tx queues */
405 u16 req_rxq; /* User requested Rx queues */
406 u16 num_rx_desc;
407 u16 num_tx_desc;
408 u16 qset_handle[ICE_MAX_TRAFFIC_CLASS];
409 struct ice_tc_cfg tc_cfg;
410 struct bpf_prog *xdp_prog;
411 struct ice_tx_ring **xdp_rings; /* XDP ring array */
412 u16 num_xdp_txq; /* Used XDP queues */
413 u8 xdp_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */
414
415 struct net_device **target_netdevs;
416
417 struct tc_mqprio_qopt_offload mqprio_qopt; /* queue parameters */
418
419 /* Channel Specific Fields */
420 struct ice_vsi *tc_map_vsi[ICE_CHNL_MAX_TC];
421 u16 cnt_q_avail;
422 u16 next_base_q; /* next queue to be used for channel setup */
423 struct list_head ch_list;
424 u16 num_chnl_rxq;
425 u16 num_chnl_txq;
426 u16 ch_rss_size;
427 u16 num_chnl_fltr;
428 /* store away rss size info before configuring ADQ channels so that,
429 * it can be used after tc-qdisc delete, to get back RSS setting as
430 * they were before
431 */
432 u16 orig_rss_size;
433 /* this keeps tracks of all enabled TC with and without DCB
434 * and inclusive of ADQ, vsi->mqprio_opt keeps track of queue
435 * information
436 */
437 u8 all_numtc;
438 u16 all_enatc;
439
440 /* store away TC info, to be used for rebuild logic */
441 u8 old_numtc;
442 u16 old_ena_tc;
443
444 /* setup back reference, to which aggregator node this VSI
445 * corresponds to
446 */
447 struct ice_agg_node *agg_node;
448
449 struct_group_tagged(ice_vsi_cfg_params, params,
450 struct ice_port_info *port_info; /* back pointer to port_info */
451 struct ice_channel *ch; /* VSI's channel structure, may be NULL */
452 struct ice_vf *vf; /* VF associated with this VSI, may be NULL */
453 u32 flags; /* VSI flags used for rebuild and configuration */
454 enum ice_vsi_type type; /* the type of the VSI */
455 );
456 } ____cacheline_internodealigned_in_smp;
457
458 /* struct that defines an interrupt vector */
459 struct ice_q_vector {
460 struct ice_vsi *vsi;
461
462 u16 v_idx; /* index in the vsi->q_vector array. */
463 u16 reg_idx; /* PF relative register index */
464 u8 num_ring_rx; /* total number of Rx rings in vector */
465 u8 num_ring_tx; /* total number of Tx rings in vector */
466 u8 wb_on_itr:1; /* if true, WB on ITR is enabled */
467 /* in usecs, need to use ice_intrl_to_usecs_reg() before writing this
468 * value to the device
469 */
470 u8 intrl;
471
472 struct napi_struct napi;
473
474 struct ice_ring_container rx;
475 struct ice_ring_container tx;
476
477 cpumask_t affinity_mask;
478 struct irq_affinity_notify affinity_notify;
479
480 struct ice_channel *ch;
481
482 char name[ICE_INT_NAME_STR_LEN];
483
484 u16 total_events; /* net_dim(): number of interrupts processed */
485 u16 vf_reg_idx; /* VF relative register index */
486 struct msi_map irq;
487 } ____cacheline_internodealigned_in_smp;
488
489 enum ice_pf_flags {
490 ICE_FLAG_FLTR_SYNC,
491 ICE_FLAG_RDMA_ENA,
492 ICE_FLAG_RSS_ENA,
493 ICE_FLAG_SRIOV_ENA,
494 ICE_FLAG_SRIOV_CAPABLE,
495 ICE_FLAG_DCB_CAPABLE,
496 ICE_FLAG_DCB_ENA,
497 ICE_FLAG_FD_ENA,
498 ICE_FLAG_PTP_SUPPORTED, /* PTP is supported by NVM */
499 ICE_FLAG_ADV_FEATURES,
500 ICE_FLAG_TC_MQPRIO, /* support for Multi queue TC */
501 ICE_FLAG_CLS_FLOWER,
502 ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA,
503 ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA,
504 ICE_FLAG_NO_MEDIA,
505 ICE_FLAG_FW_LLDP_AGENT,
506 ICE_FLAG_MOD_POWER_UNSUPPORTED,
507 ICE_FLAG_PHY_FW_LOAD_FAILED,
508 ICE_FLAG_ETHTOOL_CTXT, /* set when ethtool holds RTNL lock */
509 ICE_FLAG_LEGACY_RX,
510 ICE_FLAG_VF_TRUE_PROMISC_ENA,
511 ICE_FLAG_MDD_AUTO_RESET_VF,
512 ICE_FLAG_VF_VLAN_PRUNING,
513 ICE_FLAG_LINK_LENIENT_MODE_ENA,
514 ICE_FLAG_PLUG_AUX_DEV,
515 ICE_FLAG_UNPLUG_AUX_DEV,
516 ICE_FLAG_MTU_CHANGED,
517 ICE_FLAG_GNSS, /* GNSS successfully initialized */
518 ICE_FLAG_DPLL, /* SyncE/PTP dplls initialized */
519 ICE_PF_FLAGS_NBITS /* must be last */
520 };
521
522 enum ice_misc_thread_tasks {
523 ICE_MISC_THREAD_TX_TSTAMP,
524 ICE_MISC_THREAD_NBITS /* must be last */
525 };
526
527 struct ice_eswitch {
528 struct ice_vsi *uplink_vsi;
529 struct ice_esw_br_offloads *br_offloads;
530 struct xarray reprs;
531 bool is_running;
532 };
533
534 struct ice_agg_node {
535 u32 agg_id;
536 #define ICE_MAX_VSIS_IN_AGG_NODE 64
537 u32 num_vsis;
538 u8 valid;
539 };
540
541 struct ice_pf {
542 struct pci_dev *pdev;
543 struct ice_adapter *adapter;
544
545 struct devlink_region *nvm_region;
546 struct devlink_region *sram_region;
547 struct devlink_region *devcaps_region;
548
549 /* devlink port data */
550 struct devlink_port devlink_port;
551
552 /* OS reserved IRQ details */
553 struct msix_entry *msix_entries;
554 struct ice_irq_tracker irq_tracker;
555 /* First MSIX vector used by SR-IOV VFs. Calculated by subtracting the
556 * number of MSIX vectors needed for all SR-IOV VFs from the number of
557 * MSIX vectors allowed on this PF.
558 */
559 u16 sriov_base_vector;
560 unsigned long *sriov_irq_bm; /* bitmap to track irq usage */
561 u16 sriov_irq_size; /* size of the irq_bm bitmap */
562
563 u16 ctrl_vsi_idx; /* control VSI index in pf->vsi array */
564
565 struct ice_vsi **vsi; /* VSIs created by the driver */
566 struct ice_vsi_stats **vsi_stats;
567 struct ice_sw *first_sw; /* first switch created by firmware */
568 u16 eswitch_mode; /* current mode of eswitch */
569 struct dentry *ice_debugfs_pf;
570 struct dentry *ice_debugfs_pf_fwlog;
571 /* keep track of all the dentrys for FW log modules */
572 struct dentry **ice_debugfs_pf_fwlog_modules;
573 struct ice_vfs vfs;
574 DECLARE_BITMAP(features, ICE_F_MAX);
575 DECLARE_BITMAP(state, ICE_STATE_NBITS);
576 DECLARE_BITMAP(flags, ICE_PF_FLAGS_NBITS);
577 DECLARE_BITMAP(misc_thread, ICE_MISC_THREAD_NBITS);
578 unsigned long *avail_txqs; /* bitmap to track PF Tx queue usage */
579 unsigned long *avail_rxqs; /* bitmap to track PF Rx queue usage */
580 unsigned long serv_tmr_period;
581 unsigned long serv_tmr_prev;
582 struct timer_list serv_tmr;
583 struct work_struct serv_task;
584 struct mutex avail_q_mutex; /* protects access to avail_[rx|tx]qs */
585 struct mutex sw_mutex; /* lock for protecting VSI alloc flow */
586 struct mutex tc_mutex; /* lock to protect TC changes */
587 struct mutex adev_mutex; /* lock to protect aux device access */
588 struct mutex lag_mutex; /* protect ice_lag struct in PF */
589 u32 msg_enable;
590 struct ice_ptp ptp;
591 struct gnss_serial *gnss_serial;
592 struct gnss_device *gnss_dev;
593 u16 num_rdma_msix; /* Total MSIX vectors for RDMA driver */
594 u16 rdma_base_vector;
595
596 /* spinlock to protect the AdminQ wait list */
597 spinlock_t aq_wait_lock;
598 struct hlist_head aq_wait_list;
599 wait_queue_head_t aq_wait_queue;
600 bool fw_emp_reset_disabled;
601
602 wait_queue_head_t reset_wait_queue;
603
604 u32 hw_csum_rx_error;
605 u32 hw_rx_eipe_error;
606 u32 oicr_err_reg;
607 struct msi_map oicr_irq; /* Other interrupt cause MSIX vector */
608 struct msi_map ll_ts_irq; /* LL_TS interrupt MSIX vector */
609 u16 max_pf_txqs; /* Total Tx queues PF wide */
610 u16 max_pf_rxqs; /* Total Rx queues PF wide */
611 u16 num_lan_msix; /* Total MSIX vectors for base driver */
612 u16 num_lan_tx; /* num LAN Tx queues setup */
613 u16 num_lan_rx; /* num LAN Rx queues setup */
614 u16 next_vsi; /* Next free slot in pf->vsi[] - 0-based! */
615 u16 num_alloc_vsi;
616 u16 corer_count; /* Core reset count */
617 u16 globr_count; /* Global reset count */
618 u16 empr_count; /* EMP reset count */
619 u16 pfr_count; /* PF reset count */
620
621 u8 wol_ena : 1; /* software state of WoL */
622 u32 wakeup_reason; /* last wakeup reason */
623 struct ice_hw_port_stats stats;
624 struct ice_hw_port_stats stats_prev;
625 struct ice_hw hw;
626 u8 stat_prev_loaded:1; /* has previous stats been loaded */
627 u8 rdma_mode;
628 u16 dcbx_cap;
629 u32 tx_timeout_count;
630 unsigned long tx_timeout_last_recovery;
631 u32 tx_timeout_recovery_level;
632 char int_name[ICE_INT_NAME_STR_LEN];
633 char int_name_ll_ts[ICE_INT_NAME_STR_LEN];
634 struct auxiliary_device *adev;
635 int aux_idx;
636 u32 sw_int_count;
637 /* count of tc_flower filters specific to channel (aka where filter
638 * action is "hw_tc <tc_num>")
639 */
640 u16 num_dmac_chnl_fltrs;
641 struct hlist_head tc_flower_fltr_list;
642
643 u64 supported_rxdids;
644
645 __le64 nvm_phy_type_lo; /* NVM PHY type low */
646 __le64 nvm_phy_type_hi; /* NVM PHY type high */
647 struct ice_link_default_override_tlv link_dflt_override;
648 struct ice_lag *lag; /* Link Aggregation information */
649
650 struct ice_eswitch eswitch;
651 struct ice_esw_br_port *br_port;
652
653 #define ICE_INVALID_AGG_NODE_ID 0
654 #define ICE_PF_AGG_NODE_ID_START 1
655 #define ICE_MAX_PF_AGG_NODES 32
656 struct ice_agg_node pf_agg_node[ICE_MAX_PF_AGG_NODES];
657 #define ICE_VF_AGG_NODE_ID_START 65
658 #define ICE_MAX_VF_AGG_NODES 32
659 struct ice_agg_node vf_agg_node[ICE_MAX_VF_AGG_NODES];
660 struct ice_dplls dplls;
661 struct device *hwmon_dev;
662 };
663
664 extern struct workqueue_struct *ice_lag_wq;
665
666 struct ice_netdev_priv {
667 struct ice_vsi *vsi;
668 struct ice_repr *repr;
669 /* indirect block callbacks on registered higher level devices
670 * (e.g. tunnel devices)
671 *
672 * tc_indr_block_cb_priv_list is used to look up indirect callback
673 * private data
674 */
675 struct list_head tc_indr_block_priv_list;
676 };
677
678 /**
679 * ice_vector_ch_enabled
680 * @qv: pointer to q_vector, can be NULL
681 *
682 * This function returns true if vector is channel enabled otherwise false
683 */
ice_vector_ch_enabled(struct ice_q_vector * qv)684 static inline bool ice_vector_ch_enabled(struct ice_q_vector *qv)
685 {
686 return !!qv->ch; /* Enable it to run with TC */
687 }
688
689 /**
690 * ice_ptp_pf_handles_tx_interrupt - Check if PF handles Tx interrupt
691 * @pf: Board private structure
692 *
693 * Return true if this PF should respond to the Tx timestamp interrupt
694 * indication in the miscellaneous OICR interrupt handler.
695 */
ice_ptp_pf_handles_tx_interrupt(struct ice_pf * pf)696 static inline bool ice_ptp_pf_handles_tx_interrupt(struct ice_pf *pf)
697 {
698 return pf->ptp.tx_interrupt_mode != ICE_PTP_TX_INTERRUPT_NONE;
699 }
700
701 /**
702 * ice_irq_dynamic_ena - Enable default interrupt generation settings
703 * @hw: pointer to HW struct
704 * @vsi: pointer to VSI struct, can be NULL
705 * @q_vector: pointer to q_vector, can be NULL
706 */
707 static inline void
ice_irq_dynamic_ena(struct ice_hw * hw,struct ice_vsi * vsi,struct ice_q_vector * q_vector)708 ice_irq_dynamic_ena(struct ice_hw *hw, struct ice_vsi *vsi,
709 struct ice_q_vector *q_vector)
710 {
711 u32 vector = (vsi && q_vector) ? q_vector->reg_idx :
712 ((struct ice_pf *)hw->back)->oicr_irq.index;
713 int itr = ICE_ITR_NONE;
714 u32 val;
715
716 /* clear the PBA here, as this function is meant to clean out all
717 * previous interrupts and enable the interrupt
718 */
719 val = GLINT_DYN_CTL_INTENA_M | GLINT_DYN_CTL_CLEARPBA_M |
720 (itr << GLINT_DYN_CTL_ITR_INDX_S);
721 if (vsi)
722 if (test_bit(ICE_VSI_DOWN, vsi->state))
723 return;
724 wr32(hw, GLINT_DYN_CTL(vector), val);
725 }
726
727 /**
728 * ice_netdev_to_pf - Retrieve the PF struct associated with a netdev
729 * @netdev: pointer to the netdev struct
730 */
ice_netdev_to_pf(struct net_device * netdev)731 static inline struct ice_pf *ice_netdev_to_pf(struct net_device *netdev)
732 {
733 struct ice_netdev_priv *np = netdev_priv(netdev);
734
735 return np->vsi->back;
736 }
737
ice_is_xdp_ena_vsi(struct ice_vsi * vsi)738 static inline bool ice_is_xdp_ena_vsi(struct ice_vsi *vsi)
739 {
740 return !!READ_ONCE(vsi->xdp_prog);
741 }
742
ice_set_ring_xdp(struct ice_tx_ring * ring)743 static inline void ice_set_ring_xdp(struct ice_tx_ring *ring)
744 {
745 ring->flags |= ICE_TX_FLAGS_RING_XDP;
746 }
747
748 /**
749 * ice_get_xp_from_qid - get ZC XSK buffer pool bound to a queue ID
750 * @vsi: pointer to VSI
751 * @qid: index of a queue to look at XSK buff pool presence
752 *
753 * Return: A pointer to xsk_buff_pool structure if there is a buffer pool
754 * attached and configured as zero-copy, NULL otherwise.
755 */
ice_get_xp_from_qid(struct ice_vsi * vsi,u16 qid)756 static inline struct xsk_buff_pool *ice_get_xp_from_qid(struct ice_vsi *vsi,
757 u16 qid)
758 {
759 struct xsk_buff_pool *pool = xsk_get_pool_from_qid(vsi->netdev, qid);
760
761 if (!ice_is_xdp_ena_vsi(vsi))
762 return NULL;
763
764 return (pool && pool->dev) ? pool : NULL;
765 }
766
767 /**
768 * ice_rx_xsk_pool - assign XSK buff pool to Rx ring
769 * @ring: Rx ring to use
770 *
771 * Sets XSK buff pool pointer on Rx ring.
772 */
ice_rx_xsk_pool(struct ice_rx_ring * ring)773 static inline void ice_rx_xsk_pool(struct ice_rx_ring *ring)
774 {
775 struct ice_vsi *vsi = ring->vsi;
776 u16 qid = ring->q_index;
777
778 WRITE_ONCE(ring->xsk_pool, ice_get_xp_from_qid(vsi, qid));
779 }
780
781 /**
782 * ice_tx_xsk_pool - assign XSK buff pool to XDP ring
783 * @vsi: pointer to VSI
784 * @qid: index of a queue to look at XSK buff pool presence
785 *
786 * Sets XSK buff pool pointer on XDP ring.
787 *
788 * XDP ring is picked from Rx ring, whereas Rx ring is picked based on provided
789 * queue id. Reason for doing so is that queue vectors might have assigned more
790 * than one XDP ring, e.g. when user reduced the queue count on netdev; Rx ring
791 * carries a pointer to one of these XDP rings for its own purposes, such as
792 * handling XDP_TX action, therefore we can piggyback here on the
793 * rx_ring->xdp_ring assignment that was done during XDP rings initialization.
794 */
ice_tx_xsk_pool(struct ice_vsi * vsi,u16 qid)795 static inline void ice_tx_xsk_pool(struct ice_vsi *vsi, u16 qid)
796 {
797 struct ice_tx_ring *ring;
798
799 ring = vsi->rx_rings[qid]->xdp_ring;
800 if (!ring)
801 return;
802
803 WRITE_ONCE(ring->xsk_pool, ice_get_xp_from_qid(vsi, qid));
804 }
805
806 /**
807 * ice_get_main_vsi - Get the PF VSI
808 * @pf: PF instance
809 *
810 * returns pf->vsi[0], which by definition is the PF VSI
811 */
ice_get_main_vsi(struct ice_pf * pf)812 static inline struct ice_vsi *ice_get_main_vsi(struct ice_pf *pf)
813 {
814 if (pf->vsi)
815 return pf->vsi[0];
816
817 return NULL;
818 }
819
820 /**
821 * ice_get_netdev_priv_vsi - return VSI associated with netdev priv.
822 * @np: private netdev structure
823 */
ice_get_netdev_priv_vsi(struct ice_netdev_priv * np)824 static inline struct ice_vsi *ice_get_netdev_priv_vsi(struct ice_netdev_priv *np)
825 {
826 /* In case of port representor return source port VSI. */
827 if (np->repr)
828 return np->repr->src_vsi;
829 else
830 return np->vsi;
831 }
832
833 /**
834 * ice_get_ctrl_vsi - Get the control VSI
835 * @pf: PF instance
836 */
ice_get_ctrl_vsi(struct ice_pf * pf)837 static inline struct ice_vsi *ice_get_ctrl_vsi(struct ice_pf *pf)
838 {
839 /* if pf->ctrl_vsi_idx is ICE_NO_VSI, control VSI was not set up */
840 if (!pf->vsi || pf->ctrl_vsi_idx == ICE_NO_VSI)
841 return NULL;
842
843 return pf->vsi[pf->ctrl_vsi_idx];
844 }
845
846 /**
847 * ice_find_vsi - Find the VSI from VSI ID
848 * @pf: The PF pointer to search in
849 * @vsi_num: The VSI ID to search for
850 */
ice_find_vsi(struct ice_pf * pf,u16 vsi_num)851 static inline struct ice_vsi *ice_find_vsi(struct ice_pf *pf, u16 vsi_num)
852 {
853 int i;
854
855 ice_for_each_vsi(pf, i)
856 if (pf->vsi[i] && pf->vsi[i]->vsi_num == vsi_num)
857 return pf->vsi[i];
858 return NULL;
859 }
860
861 /**
862 * ice_is_switchdev_running - check if switchdev is configured
863 * @pf: pointer to PF structure
864 *
865 * Returns true if eswitch mode is set to DEVLINK_ESWITCH_MODE_SWITCHDEV
866 * and switchdev is configured, false otherwise.
867 */
ice_is_switchdev_running(struct ice_pf * pf)868 static inline bool ice_is_switchdev_running(struct ice_pf *pf)
869 {
870 return pf->eswitch.is_running;
871 }
872
873 #define ICE_FD_STAT_CTR_BLOCK_COUNT 256
874 #define ICE_FD_STAT_PF_IDX(base_idx) \
875 ((base_idx) * ICE_FD_STAT_CTR_BLOCK_COUNT)
876 #define ICE_FD_SB_STAT_IDX(base_idx) ICE_FD_STAT_PF_IDX(base_idx)
877 #define ICE_FD_STAT_CH 1
878 #define ICE_FD_CH_STAT_IDX(base_idx) \
879 (ICE_FD_STAT_PF_IDX(base_idx) + ICE_FD_STAT_CH)
880
881 /**
882 * ice_is_adq_active - any active ADQs
883 * @pf: pointer to PF
884 *
885 * This function returns true if there are any ADQs configured (which is
886 * determined by looking at VSI type (which should be VSI_PF), numtc, and
887 * TC_MQPRIO flag) otherwise return false
888 */
ice_is_adq_active(struct ice_pf * pf)889 static inline bool ice_is_adq_active(struct ice_pf *pf)
890 {
891 struct ice_vsi *vsi;
892
893 vsi = ice_get_main_vsi(pf);
894 if (!vsi)
895 return false;
896
897 /* is ADQ configured */
898 if (vsi->tc_cfg.numtc > ICE_CHNL_START_TC &&
899 test_bit(ICE_FLAG_TC_MQPRIO, pf->flags))
900 return true;
901
902 return false;
903 }
904
905 void ice_debugfs_fwlog_init(struct ice_pf *pf);
906 void ice_debugfs_pf_deinit(struct ice_pf *pf);
907 void ice_debugfs_init(void);
908 void ice_debugfs_exit(void);
909 void ice_pf_fwlog_update_module(struct ice_pf *pf, int log_level, int module);
910
911 bool netif_is_ice(const struct net_device *dev);
912 int ice_vsi_setup_tx_rings(struct ice_vsi *vsi);
913 int ice_vsi_setup_rx_rings(struct ice_vsi *vsi);
914 int ice_vsi_open_ctrl(struct ice_vsi *vsi);
915 int ice_vsi_open(struct ice_vsi *vsi);
916 void ice_set_ethtool_ops(struct net_device *netdev);
917 void ice_set_ethtool_repr_ops(struct net_device *netdev);
918 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev);
919 u16 ice_get_avail_txq_count(struct ice_pf *pf);
920 u16 ice_get_avail_rxq_count(struct ice_pf *pf);
921 int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx, bool locked);
922 void ice_update_vsi_stats(struct ice_vsi *vsi);
923 void ice_update_pf_stats(struct ice_pf *pf);
924 void
925 ice_fetch_u64_stats_per_ring(struct u64_stats_sync *syncp,
926 struct ice_q_stats stats, u64 *pkts, u64 *bytes);
927 int ice_up(struct ice_vsi *vsi);
928 int ice_down(struct ice_vsi *vsi);
929 int ice_down_up(struct ice_vsi *vsi);
930 int ice_vsi_cfg_lan(struct ice_vsi *vsi);
931 struct ice_vsi *ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi);
932
933 enum ice_xdp_cfg {
934 ICE_XDP_CFG_FULL, /* Fully apply new config in .ndo_bpf() */
935 ICE_XDP_CFG_PART, /* Save/use part of config in VSI rebuild */
936 };
937
938 int ice_vsi_determine_xdp_res(struct ice_vsi *vsi);
939 int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog,
940 enum ice_xdp_cfg cfg_type);
941 int ice_destroy_xdp_rings(struct ice_vsi *vsi, enum ice_xdp_cfg cfg_type);
942 void ice_map_xdp_rings(struct ice_vsi *vsi);
943 int
944 ice_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames,
945 u32 flags);
946 int ice_set_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size);
947 int ice_get_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size);
948 int ice_set_rss_key(struct ice_vsi *vsi, u8 *seed);
949 int ice_get_rss_key(struct ice_vsi *vsi, u8 *seed);
950 int ice_set_rss_hfunc(struct ice_vsi *vsi, u8 hfunc);
951 void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size);
952 int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset);
953 void ice_print_link_msg(struct ice_vsi *vsi, bool isup);
954 int ice_plug_aux_dev(struct ice_pf *pf);
955 void ice_unplug_aux_dev(struct ice_pf *pf);
956 int ice_init_rdma(struct ice_pf *pf);
957 void ice_deinit_rdma(struct ice_pf *pf);
958 const char *ice_aq_str(enum ice_aq_err aq_err);
959 bool ice_is_wol_supported(struct ice_hw *hw);
960 void ice_fdir_del_all_fltrs(struct ice_vsi *vsi);
961 int
962 ice_fdir_write_fltr(struct ice_pf *pf, struct ice_fdir_fltr *input, bool add,
963 bool is_tun);
964 void ice_vsi_manage_fdir(struct ice_vsi *vsi, bool ena);
965 int ice_add_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd);
966 int ice_del_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd);
967 int ice_get_ethtool_fdir_entry(struct ice_hw *hw, struct ethtool_rxnfc *cmd);
968 int
969 ice_get_fdir_fltr_ids(struct ice_hw *hw, struct ethtool_rxnfc *cmd,
970 u32 *rule_locs);
971 void ice_fdir_rem_adq_chnl(struct ice_hw *hw, u16 vsi_idx);
972 void ice_fdir_release_flows(struct ice_hw *hw);
973 void ice_fdir_replay_flows(struct ice_hw *hw);
974 void ice_fdir_replay_fltrs(struct ice_pf *pf);
975 int ice_fdir_create_dflt_rules(struct ice_pf *pf);
976
977 enum ice_aq_task_state {
978 ICE_AQ_TASK_NOT_PREPARED,
979 ICE_AQ_TASK_WAITING,
980 ICE_AQ_TASK_COMPLETE,
981 ICE_AQ_TASK_CANCELED,
982 };
983
984 struct ice_aq_task {
985 struct hlist_node entry;
986 struct ice_rq_event_info event;
987 enum ice_aq_task_state state;
988 u16 opcode;
989 };
990
991 void ice_aq_prep_for_event(struct ice_pf *pf, struct ice_aq_task *task,
992 u16 opcode);
993 int ice_aq_wait_for_event(struct ice_pf *pf, struct ice_aq_task *task,
994 unsigned long timeout);
995 int ice_open(struct net_device *netdev);
996 int ice_open_internal(struct net_device *netdev);
997 int ice_stop(struct net_device *netdev);
998 void ice_service_task_schedule(struct ice_pf *pf);
999 int ice_load(struct ice_pf *pf);
1000 void ice_unload(struct ice_pf *pf);
1001 void ice_adv_lnk_speed_maps_init(void);
1002 int ice_init_dev(struct ice_pf *pf);
1003 void ice_deinit_dev(struct ice_pf *pf);
1004
1005 /**
1006 * ice_set_rdma_cap - enable RDMA support
1007 * @pf: PF struct
1008 */
ice_set_rdma_cap(struct ice_pf * pf)1009 static inline void ice_set_rdma_cap(struct ice_pf *pf)
1010 {
1011 if (pf->hw.func_caps.common_cap.rdma && pf->num_rdma_msix) {
1012 set_bit(ICE_FLAG_RDMA_ENA, pf->flags);
1013 set_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags);
1014 }
1015 }
1016
1017 /**
1018 * ice_clear_rdma_cap - disable RDMA support
1019 * @pf: PF struct
1020 */
ice_clear_rdma_cap(struct ice_pf * pf)1021 static inline void ice_clear_rdma_cap(struct ice_pf *pf)
1022 {
1023 /* defer unplug to service task to avoid RTNL lock and
1024 * clear PLUG bit so that pending plugs don't interfere
1025 */
1026 clear_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags);
1027 set_bit(ICE_FLAG_UNPLUG_AUX_DEV, pf->flags);
1028 clear_bit(ICE_FLAG_RDMA_ENA, pf->flags);
1029 }
1030
1031 extern const struct xdp_metadata_ops ice_xdp_md_ops;
1032 #endif /* _ICE_H_ */
1033