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/aer.h>
24 #include <linux/interrupt.h>
25 #include <linux/ethtool.h>
26 #include <linux/timer.h>
27 #include <linux/delay.h>
28 #include <linux/bitmap.h>
29 #include <linux/log2.h>
30 #include <linux/ip.h>
31 #include <linux/sctp.h>
32 #include <linux/ipv6.h>
33 #include <linux/pkt_sched.h>
34 #include <linux/if_bridge.h>
35 #include <linux/ctype.h>
36 #include <linux/bpf.h>
37 #include <linux/avf/virtchnl.h>
38 #include <linux/cpu_rmap.h>
39 #include <net/devlink.h>
40 #include <net/ipv6.h>
41 #include <net/xdp_sock.h>
42 #include <net/geneve.h>
43 #include <net/gre.h>
44 #include <net/udp_tunnel.h>
45 #include <net/vxlan.h>
46 #include "ice_devids.h"
47 #include "ice_type.h"
48 #include "ice_txrx.h"
49 #include "ice_dcb.h"
50 #include "ice_switch.h"
51 #include "ice_common.h"
52 #include "ice_sched.h"
53 #include "ice_virtchnl_pf.h"
54 #include "ice_sriov.h"
55 #include "ice_fdir.h"
56 #include "ice_xsk.h"
57 #include "ice_arfs.h"
58
59 #define ICE_BAR0 0
60 #define ICE_REQ_DESC_MULTIPLE 32
61 #define ICE_MIN_NUM_DESC 64
62 #define ICE_MAX_NUM_DESC 8160
63 #define ICE_DFLT_MIN_RX_DESC 512
64 #define ICE_DFLT_NUM_TX_DESC 256
65 #define ICE_DFLT_NUM_RX_DESC 2048
66
67 #define ICE_DFLT_TRAFFIC_CLASS BIT(0)
68 #define ICE_INT_NAME_STR_LEN (IFNAMSIZ + 16)
69 #define ICE_AQ_LEN 64
70 #define ICE_MBXSQ_LEN 64
71 #define ICE_MIN_LAN_TXRX_MSIX 1
72 #define ICE_MIN_LAN_OICR_MSIX 1
73 #define ICE_MIN_MSIX (ICE_MIN_LAN_TXRX_MSIX + ICE_MIN_LAN_OICR_MSIX)
74 #define ICE_FDIR_MSIX 1
75 #define ICE_NO_VSI 0xffff
76 #define ICE_VSI_MAP_CONTIG 0
77 #define ICE_VSI_MAP_SCATTER 1
78 #define ICE_MAX_SCATTER_TXQS 16
79 #define ICE_MAX_SCATTER_RXQS 16
80 #define ICE_Q_WAIT_RETRY_LIMIT 10
81 #define ICE_Q_WAIT_MAX_RETRY (5 * ICE_Q_WAIT_RETRY_LIMIT)
82 #define ICE_MAX_LG_RSS_QS 256
83 #define ICE_RES_VALID_BIT 0x8000
84 #define ICE_RES_MISC_VEC_ID (ICE_RES_VALID_BIT - 1)
85 #define ICE_INVAL_Q_INDEX 0xffff
86 #define ICE_INVAL_VFID 256
87
88 #define ICE_MAX_RESET_WAIT 20
89
90 #define ICE_VSIQF_HKEY_ARRAY_SIZE ((VSIQF_HKEY_MAX_INDEX + 1) * 4)
91
92 #define ICE_DFLT_NETIF_M (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK)
93
94 #define ICE_MAX_MTU (ICE_AQ_SET_MAC_FRAME_SIZE_MAX - ICE_ETH_PKT_HDR_PAD)
95
96 #define ICE_UP_TABLE_TRANSLATE(val, i) \
97 (((val) << ICE_AQ_VSI_UP_TABLE_UP##i##_S) & \
98 ICE_AQ_VSI_UP_TABLE_UP##i##_M)
99
100 #define ICE_TX_DESC(R, i) (&(((struct ice_tx_desc *)((R)->desc))[i]))
101 #define ICE_RX_DESC(R, i) (&(((union ice_32b_rx_flex_desc *)((R)->desc))[i]))
102 #define ICE_TX_CTX_DESC(R, i) (&(((struct ice_tx_ctx_desc *)((R)->desc))[i]))
103 #define ICE_TX_FDIRDESC(R, i) (&(((struct ice_fltr_desc *)((R)->desc))[i]))
104
105 /* Macro for each VSI in a PF */
106 #define ice_for_each_vsi(pf, i) \
107 for ((i) = 0; (i) < (pf)->num_alloc_vsi; (i)++)
108
109 /* Macros for each Tx/Rx ring in a VSI */
110 #define ice_for_each_txq(vsi, i) \
111 for ((i) = 0; (i) < (vsi)->num_txq; (i)++)
112
113 #define ice_for_each_rxq(vsi, i) \
114 for ((i) = 0; (i) < (vsi)->num_rxq; (i)++)
115
116 /* Macros for each allocated Tx/Rx ring whether used or not in a VSI */
117 #define ice_for_each_alloc_txq(vsi, i) \
118 for ((i) = 0; (i) < (vsi)->alloc_txq; (i)++)
119
120 #define ice_for_each_alloc_rxq(vsi, i) \
121 for ((i) = 0; (i) < (vsi)->alloc_rxq; (i)++)
122
123 #define ice_for_each_q_vector(vsi, i) \
124 for ((i) = 0; (i) < (vsi)->num_q_vectors; (i)++)
125
126 #define ICE_UCAST_PROMISC_BITS (ICE_PROMISC_UCAST_TX | ICE_PROMISC_MCAST_TX | \
127 ICE_PROMISC_UCAST_RX | ICE_PROMISC_MCAST_RX)
128
129 #define ICE_UCAST_VLAN_PROMISC_BITS (ICE_PROMISC_UCAST_TX | \
130 ICE_PROMISC_MCAST_TX | \
131 ICE_PROMISC_UCAST_RX | \
132 ICE_PROMISC_MCAST_RX | \
133 ICE_PROMISC_VLAN_TX | \
134 ICE_PROMISC_VLAN_RX)
135
136 #define ICE_MCAST_PROMISC_BITS (ICE_PROMISC_MCAST_TX | ICE_PROMISC_MCAST_RX)
137
138 #define ICE_MCAST_VLAN_PROMISC_BITS (ICE_PROMISC_MCAST_TX | \
139 ICE_PROMISC_MCAST_RX | \
140 ICE_PROMISC_VLAN_TX | \
141 ICE_PROMISC_VLAN_RX)
142
143 #define ice_pf_to_dev(pf) (&((pf)->pdev->dev))
144
145 struct ice_txq_meta {
146 u32 q_teid; /* Tx-scheduler element identifier */
147 u16 q_id; /* Entry in VSI's txq_map bitmap */
148 u16 q_handle; /* Relative index of Tx queue within TC */
149 u16 vsi_idx; /* VSI index that Tx queue belongs to */
150 u8 tc; /* TC number that Tx queue belongs to */
151 };
152
153 struct ice_tc_info {
154 u16 qoffset;
155 u16 qcount_tx;
156 u16 qcount_rx;
157 u8 netdev_tc;
158 };
159
160 struct ice_tc_cfg {
161 u8 numtc; /* Total number of enabled TCs */
162 u8 ena_tc; /* Tx map */
163 struct ice_tc_info tc_info[ICE_MAX_TRAFFIC_CLASS];
164 };
165
166 struct ice_res_tracker {
167 u16 num_entries;
168 u16 end;
169 u16 list[1];
170 };
171
172 struct ice_qs_cfg {
173 struct mutex *qs_mutex; /* will be assigned to &pf->avail_q_mutex */
174 unsigned long *pf_map;
175 unsigned long pf_map_size;
176 unsigned int q_count;
177 unsigned int scatter_count;
178 u16 *vsi_map;
179 u16 vsi_map_offset;
180 u8 mapping_mode;
181 };
182
183 struct ice_sw {
184 struct ice_pf *pf;
185 u16 sw_id; /* switch ID for this switch */
186 u16 bridge_mode; /* VEB/VEPA/Port Virtualizer */
187 struct ice_vsi *dflt_vsi; /* default VSI for this switch */
188 u8 dflt_vsi_ena:1; /* true if above dflt_vsi is enabled */
189 };
190
191 enum ice_state {
192 __ICE_TESTING,
193 __ICE_DOWN,
194 __ICE_NEEDS_RESTART,
195 __ICE_PREPARED_FOR_RESET, /* set by driver when prepared */
196 __ICE_RESET_OICR_RECV, /* set by driver after rcv reset OICR */
197 __ICE_PFR_REQ, /* set by driver and peers */
198 __ICE_CORER_REQ, /* set by driver and peers */
199 __ICE_GLOBR_REQ, /* set by driver and peers */
200 __ICE_CORER_RECV, /* set by OICR handler */
201 __ICE_GLOBR_RECV, /* set by OICR handler */
202 __ICE_EMPR_RECV, /* set by OICR handler */
203 __ICE_SUSPENDED, /* set on module remove path */
204 __ICE_RESET_FAILED, /* set by reset/rebuild */
205 /* When checking for the PF to be in a nominal operating state, the
206 * bits that are grouped at the beginning of the list need to be
207 * checked. Bits occurring before __ICE_STATE_NOMINAL_CHECK_BITS will
208 * be checked. If you need to add a bit into consideration for nominal
209 * operating state, it must be added before
210 * __ICE_STATE_NOMINAL_CHECK_BITS. Do not move this entry's position
211 * without appropriate consideration.
212 */
213 __ICE_STATE_NOMINAL_CHECK_BITS,
214 __ICE_ADMINQ_EVENT_PENDING,
215 __ICE_MAILBOXQ_EVENT_PENDING,
216 __ICE_MDD_EVENT_PENDING,
217 __ICE_VFLR_EVENT_PENDING,
218 __ICE_FLTR_OVERFLOW_PROMISC,
219 __ICE_VF_DIS,
220 __ICE_CFG_BUSY,
221 __ICE_SERVICE_SCHED,
222 __ICE_SERVICE_DIS,
223 __ICE_FD_FLUSH_REQ,
224 __ICE_OICR_INTR_DIS, /* Global OICR interrupt disabled */
225 __ICE_MDD_VF_PRINT_PENDING, /* set when MDD event handle */
226 __ICE_VF_RESETS_DISABLED, /* disable resets during ice_remove */
227 __ICE_LINK_DEFAULT_OVERRIDE_PENDING,
228 __ICE_PHY_INIT_COMPLETE,
229 __ICE_STATE_NBITS /* must be last */
230 };
231
232 enum ice_vsi_flags {
233 ICE_VSI_FLAG_UMAC_FLTR_CHANGED,
234 ICE_VSI_FLAG_MMAC_FLTR_CHANGED,
235 ICE_VSI_FLAG_VLAN_FLTR_CHANGED,
236 ICE_VSI_FLAG_PROMISC_CHANGED,
237 ICE_VSI_FLAG_NBITS /* must be last */
238 };
239
240 /* struct that defines a VSI, associated with a dev */
241 struct ice_vsi {
242 struct net_device *netdev;
243 struct ice_sw *vsw; /* switch this VSI is on */
244 struct ice_pf *back; /* back pointer to PF */
245 struct ice_port_info *port_info; /* back pointer to port_info */
246 struct ice_ring **rx_rings; /* Rx ring array */
247 struct ice_ring **tx_rings; /* Tx ring array */
248 struct ice_q_vector **q_vectors; /* q_vector array */
249
250 irqreturn_t (*irq_handler)(int irq, void *data);
251
252 u64 tx_linearize;
253 DECLARE_BITMAP(state, __ICE_STATE_NBITS);
254 DECLARE_BITMAP(flags, ICE_VSI_FLAG_NBITS);
255 unsigned int current_netdev_flags;
256 u32 tx_restart;
257 u32 tx_busy;
258 u32 rx_buf_failed;
259 u32 rx_page_failed;
260 u32 rx_gro_dropped;
261 u16 num_q_vectors;
262 u16 base_vector; /* IRQ base for OS reserved vectors */
263 enum ice_vsi_type type;
264 u16 vsi_num; /* HW (absolute) index of this VSI */
265 u16 idx; /* software index in pf->vsi[] */
266
267 s16 vf_id; /* VF ID for SR-IOV VSIs */
268
269 u16 ethtype; /* Ethernet protocol for pause frame */
270 u16 num_gfltr;
271 u16 num_bfltr;
272
273 /* RSS config */
274 u16 rss_table_size; /* HW RSS table size */
275 u16 rss_size; /* Allocated RSS queues */
276 u8 *rss_hkey_user; /* User configured hash keys */
277 u8 *rss_lut_user; /* User configured lookup table entries */
278 u8 rss_lut_type; /* used to configure Get/Set RSS LUT AQ call */
279
280 /* aRFS members only allocated for the PF VSI */
281 #define ICE_MAX_ARFS_LIST 1024
282 #define ICE_ARFS_LST_MASK (ICE_MAX_ARFS_LIST - 1)
283 struct hlist_head *arfs_fltr_list;
284 struct ice_arfs_active_fltr_cntrs *arfs_fltr_cntrs;
285 spinlock_t arfs_lock; /* protects aRFS hash table and filter state */
286 atomic_t *arfs_last_fltr_id;
287
288 /* devlink port data */
289 struct devlink_port devlink_port;
290 bool devlink_port_registered;
291
292 u16 max_frame;
293 u16 rx_buf_len;
294
295 struct ice_aqc_vsi_props info; /* VSI properties */
296
297 /* VSI stats */
298 struct rtnl_link_stats64 net_stats;
299 struct ice_eth_stats eth_stats;
300 struct ice_eth_stats eth_stats_prev;
301
302 struct list_head tmp_sync_list; /* MAC filters to be synced */
303 struct list_head tmp_unsync_list; /* MAC filters to be unsynced */
304
305 u8 irqs_ready:1;
306 u8 current_isup:1; /* Sync 'link up' logging */
307 u8 stat_offsets_loaded:1;
308 u8 vlan_ena:1;
309 u16 num_vlan;
310
311 /* queue information */
312 u8 tx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */
313 u8 rx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */
314 u16 *txq_map; /* index in pf->avail_txqs */
315 u16 *rxq_map; /* index in pf->avail_rxqs */
316 u16 alloc_txq; /* Allocated Tx queues */
317 u16 num_txq; /* Used Tx queues */
318 u16 alloc_rxq; /* Allocated Rx queues */
319 u16 num_rxq; /* Used Rx queues */
320 u16 req_txq; /* User requested Tx queues */
321 u16 req_rxq; /* User requested Rx queues */
322 u16 num_rx_desc;
323 u16 num_tx_desc;
324 struct ice_tc_cfg tc_cfg;
325 struct bpf_prog *xdp_prog;
326 struct ice_ring **xdp_rings; /* XDP ring array */
327 u16 num_xdp_txq; /* Used XDP queues */
328 u8 xdp_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */
329 struct xsk_buff_pool **xsk_pools;
330 u16 num_xsk_pools_used;
331 u16 num_xsk_pools;
332 } ____cacheline_internodealigned_in_smp;
333
334 /* struct that defines an interrupt vector */
335 struct ice_q_vector {
336 struct ice_vsi *vsi;
337
338 u16 v_idx; /* index in the vsi->q_vector array. */
339 u16 reg_idx;
340 u8 num_ring_rx; /* total number of Rx rings in vector */
341 u8 num_ring_tx; /* total number of Tx rings in vector */
342 u8 itr_countdown; /* when 0 should adjust adaptive ITR */
343 /* in usecs, need to use ice_intrl_to_usecs_reg() before writing this
344 * value to the device
345 */
346 u8 intrl;
347
348 struct napi_struct napi;
349
350 struct ice_ring_container rx;
351 struct ice_ring_container tx;
352
353 cpumask_t affinity_mask;
354 struct irq_affinity_notify affinity_notify;
355
356 char name[ICE_INT_NAME_STR_LEN];
357 } ____cacheline_internodealigned_in_smp;
358
359 enum ice_pf_flags {
360 ICE_FLAG_FLTR_SYNC,
361 ICE_FLAG_RSS_ENA,
362 ICE_FLAG_SRIOV_ENA,
363 ICE_FLAG_SRIOV_CAPABLE,
364 ICE_FLAG_DCB_CAPABLE,
365 ICE_FLAG_DCB_ENA,
366 ICE_FLAG_FD_ENA,
367 ICE_FLAG_ADV_FEATURES,
368 ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA,
369 ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA,
370 ICE_FLAG_NO_MEDIA,
371 ICE_FLAG_FW_LLDP_AGENT,
372 ICE_FLAG_ETHTOOL_CTXT, /* set when ethtool holds RTNL lock */
373 ICE_FLAG_LEGACY_RX,
374 ICE_FLAG_VF_TRUE_PROMISC_ENA,
375 ICE_FLAG_MDD_AUTO_RESET_VF,
376 ICE_FLAG_LINK_LENIENT_MODE_ENA,
377 ICE_PF_FLAGS_NBITS /* must be last */
378 };
379
380 struct ice_pf {
381 struct pci_dev *pdev;
382
383 struct devlink_region *nvm_region;
384 struct devlink_region *devcaps_region;
385
386 /* OS reserved IRQ details */
387 struct msix_entry *msix_entries;
388 struct ice_res_tracker *irq_tracker;
389 /* First MSIX vector used by SR-IOV VFs. Calculated by subtracting the
390 * number of MSIX vectors needed for all SR-IOV VFs from the number of
391 * MSIX vectors allowed on this PF.
392 */
393 u16 sriov_base_vector;
394
395 u16 ctrl_vsi_idx; /* control VSI index in pf->vsi array */
396
397 struct ice_vsi **vsi; /* VSIs created by the driver */
398 struct ice_sw *first_sw; /* first switch created by firmware */
399 /* Virtchnl/SR-IOV config info */
400 struct ice_vf *vf;
401 u16 num_alloc_vfs; /* actual number of VFs allocated */
402 u16 num_vfs_supported; /* num VFs supported for this PF */
403 u16 num_qps_per_vf;
404 u16 num_msix_per_vf;
405 /* used to ratelimit the MDD event logging */
406 unsigned long last_printed_mdd_jiffies;
407 DECLARE_BITMAP(state, __ICE_STATE_NBITS);
408 DECLARE_BITMAP(flags, ICE_PF_FLAGS_NBITS);
409 unsigned long *avail_txqs; /* bitmap to track PF Tx queue usage */
410 unsigned long *avail_rxqs; /* bitmap to track PF Rx queue usage */
411 unsigned long serv_tmr_period;
412 unsigned long serv_tmr_prev;
413 struct timer_list serv_tmr;
414 struct work_struct serv_task;
415 struct mutex avail_q_mutex; /* protects access to avail_[rx|tx]qs */
416 struct mutex sw_mutex; /* lock for protecting VSI alloc flow */
417 struct mutex tc_mutex; /* lock to protect TC changes */
418 u32 msg_enable;
419
420 /* spinlock to protect the AdminQ wait list */
421 spinlock_t aq_wait_lock;
422 struct hlist_head aq_wait_list;
423 wait_queue_head_t aq_wait_queue;
424
425 u32 hw_csum_rx_error;
426 u16 oicr_idx; /* Other interrupt cause MSIX vector index */
427 u16 num_avail_sw_msix; /* remaining MSIX SW vectors left unclaimed */
428 u16 max_pf_txqs; /* Total Tx queues PF wide */
429 u16 max_pf_rxqs; /* Total Rx queues PF wide */
430 u16 num_lan_msix; /* Total MSIX vectors for base driver */
431 u16 num_lan_tx; /* num LAN Tx queues setup */
432 u16 num_lan_rx; /* num LAN Rx queues setup */
433 u16 next_vsi; /* Next free slot in pf->vsi[] - 0-based! */
434 u16 num_alloc_vsi;
435 u16 corer_count; /* Core reset count */
436 u16 globr_count; /* Global reset count */
437 u16 empr_count; /* EMP reset count */
438 u16 pfr_count; /* PF reset count */
439
440 u8 wol_ena : 1; /* software state of WoL */
441 u32 wakeup_reason; /* last wakeup reason */
442 struct ice_hw_port_stats stats;
443 struct ice_hw_port_stats stats_prev;
444 struct ice_hw hw;
445 u8 stat_prev_loaded:1; /* has previous stats been loaded */
446 u16 dcbx_cap;
447 u32 tx_timeout_count;
448 unsigned long tx_timeout_last_recovery;
449 u32 tx_timeout_recovery_level;
450 char int_name[ICE_INT_NAME_STR_LEN];
451 u32 sw_int_count;
452
453 __le64 nvm_phy_type_lo; /* NVM PHY type low */
454 __le64 nvm_phy_type_hi; /* NVM PHY type high */
455 struct ice_link_default_override_tlv link_dflt_override;
456 };
457
458 struct ice_netdev_priv {
459 struct ice_vsi *vsi;
460 };
461
462 /**
463 * ice_irq_dynamic_ena - Enable default interrupt generation settings
464 * @hw: pointer to HW struct
465 * @vsi: pointer to VSI struct, can be NULL
466 * @q_vector: pointer to q_vector, can be NULL
467 */
468 static inline void
ice_irq_dynamic_ena(struct ice_hw * hw,struct ice_vsi * vsi,struct ice_q_vector * q_vector)469 ice_irq_dynamic_ena(struct ice_hw *hw, struct ice_vsi *vsi,
470 struct ice_q_vector *q_vector)
471 {
472 u32 vector = (vsi && q_vector) ? q_vector->reg_idx :
473 ((struct ice_pf *)hw->back)->oicr_idx;
474 int itr = ICE_ITR_NONE;
475 u32 val;
476
477 /* clear the PBA here, as this function is meant to clean out all
478 * previous interrupts and enable the interrupt
479 */
480 val = GLINT_DYN_CTL_INTENA_M | GLINT_DYN_CTL_CLEARPBA_M |
481 (itr << GLINT_DYN_CTL_ITR_INDX_S);
482 if (vsi)
483 if (test_bit(__ICE_DOWN, vsi->state))
484 return;
485 wr32(hw, GLINT_DYN_CTL(vector), val);
486 }
487
488 /**
489 * ice_netdev_to_pf - Retrieve the PF struct associated with a netdev
490 * @netdev: pointer to the netdev struct
491 */
ice_netdev_to_pf(struct net_device * netdev)492 static inline struct ice_pf *ice_netdev_to_pf(struct net_device *netdev)
493 {
494 struct ice_netdev_priv *np = netdev_priv(netdev);
495
496 return np->vsi->back;
497 }
498
ice_is_xdp_ena_vsi(struct ice_vsi * vsi)499 static inline bool ice_is_xdp_ena_vsi(struct ice_vsi *vsi)
500 {
501 return !!READ_ONCE(vsi->xdp_prog);
502 }
503
ice_set_ring_xdp(struct ice_ring * ring)504 static inline void ice_set_ring_xdp(struct ice_ring *ring)
505 {
506 ring->flags |= ICE_TX_FLAGS_RING_XDP;
507 }
508
509 /**
510 * ice_xsk_pool - get XSK buffer pool bound to a ring
511 * @ring: ring to use
512 *
513 * Returns a pointer to xdp_umem structure if there is a buffer pool present,
514 * NULL otherwise.
515 */
ice_xsk_pool(struct ice_ring * ring)516 static inline struct xsk_buff_pool *ice_xsk_pool(struct ice_ring *ring)
517 {
518 struct xsk_buff_pool **pools = ring->vsi->xsk_pools;
519 u16 qid = ring->q_index;
520
521 if (ice_ring_is_xdp(ring))
522 qid -= ring->vsi->num_xdp_txq;
523
524 if (qid >= ring->vsi->num_xsk_pools || !pools || !pools[qid] ||
525 !ice_is_xdp_ena_vsi(ring->vsi))
526 return NULL;
527
528 return pools[qid];
529 }
530
531 /**
532 * ice_get_main_vsi - Get the PF VSI
533 * @pf: PF instance
534 *
535 * returns pf->vsi[0], which by definition is the PF VSI
536 */
ice_get_main_vsi(struct ice_pf * pf)537 static inline struct ice_vsi *ice_get_main_vsi(struct ice_pf *pf)
538 {
539 if (pf->vsi)
540 return pf->vsi[0];
541
542 return NULL;
543 }
544
545 /**
546 * ice_get_ctrl_vsi - Get the control VSI
547 * @pf: PF instance
548 */
ice_get_ctrl_vsi(struct ice_pf * pf)549 static inline struct ice_vsi *ice_get_ctrl_vsi(struct ice_pf *pf)
550 {
551 /* if pf->ctrl_vsi_idx is ICE_NO_VSI, control VSI was not set up */
552 if (!pf->vsi || pf->ctrl_vsi_idx == ICE_NO_VSI)
553 return NULL;
554
555 return pf->vsi[pf->ctrl_vsi_idx];
556 }
557
558 #define ICE_FD_STAT_CTR_BLOCK_COUNT 256
559 #define ICE_FD_STAT_PF_IDX(base_idx) \
560 ((base_idx) * ICE_FD_STAT_CTR_BLOCK_COUNT)
561 #define ICE_FD_SB_STAT_IDX(base_idx) ICE_FD_STAT_PF_IDX(base_idx)
562
563 int ice_vsi_setup_tx_rings(struct ice_vsi *vsi);
564 int ice_vsi_setup_rx_rings(struct ice_vsi *vsi);
565 int ice_vsi_open_ctrl(struct ice_vsi *vsi);
566 void ice_set_ethtool_ops(struct net_device *netdev);
567 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev);
568 u16 ice_get_avail_txq_count(struct ice_pf *pf);
569 u16 ice_get_avail_rxq_count(struct ice_pf *pf);
570 int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx);
571 void ice_update_vsi_stats(struct ice_vsi *vsi);
572 void ice_update_pf_stats(struct ice_pf *pf);
573 int ice_up(struct ice_vsi *vsi);
574 int ice_down(struct ice_vsi *vsi);
575 int ice_vsi_cfg(struct ice_vsi *vsi);
576 struct ice_vsi *ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi);
577 int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog);
578 int ice_destroy_xdp_rings(struct ice_vsi *vsi);
579 int
580 ice_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames,
581 u32 flags);
582 int ice_set_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
583 int ice_get_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
584 void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size);
585 int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset);
586 void ice_print_link_msg(struct ice_vsi *vsi, bool isup);
587 const char *ice_stat_str(enum ice_status stat_err);
588 const char *ice_aq_str(enum ice_aq_err aq_err);
589 bool ice_is_wol_supported(struct ice_hw *hw);
590 int
591 ice_fdir_write_fltr(struct ice_pf *pf, struct ice_fdir_fltr *input, bool add,
592 bool is_tun);
593 void ice_vsi_manage_fdir(struct ice_vsi *vsi, bool ena);
594 int ice_add_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd);
595 int ice_del_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd);
596 int ice_get_ethtool_fdir_entry(struct ice_hw *hw, struct ethtool_rxnfc *cmd);
597 int
598 ice_get_fdir_fltr_ids(struct ice_hw *hw, struct ethtool_rxnfc *cmd,
599 u32 *rule_locs);
600 void ice_fdir_release_flows(struct ice_hw *hw);
601 void ice_fdir_replay_flows(struct ice_hw *hw);
602 void ice_fdir_replay_fltrs(struct ice_pf *pf);
603 int ice_fdir_create_dflt_rules(struct ice_pf *pf);
604 int ice_aq_wait_for_event(struct ice_pf *pf, u16 opcode, unsigned long timeout,
605 struct ice_rq_event_info *event);
606 int ice_open(struct net_device *netdev);
607 int ice_open_internal(struct net_device *netdev);
608 int ice_stop(struct net_device *netdev);
609 void ice_service_task_schedule(struct ice_pf *pf);
610
611 #endif /* _ICE_H_ */
612