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/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
79 #define ICE_BAR0 0
80 #define ICE_REQ_DESC_MULTIPLE 32
81 #define ICE_MIN_NUM_DESC 64
82 #define ICE_MAX_NUM_DESC 8160
83 #define ICE_DFLT_MIN_RX_DESC 512
84 #define ICE_DFLT_NUM_TX_DESC 256
85 #define ICE_DFLT_NUM_RX_DESC 2048
86
87 #define ICE_DFLT_TRAFFIC_CLASS BIT(0)
88 #define ICE_INT_NAME_STR_LEN (IFNAMSIZ + 16)
89 #define ICE_AQ_LEN 192
90 #define ICE_MBXSQ_LEN 64
91 #define ICE_SBQ_LEN 64
92 #define ICE_MIN_LAN_TXRX_MSIX 1
93 #define ICE_MIN_LAN_OICR_MSIX 1
94 #define ICE_MIN_MSIX (ICE_MIN_LAN_TXRX_MSIX + ICE_MIN_LAN_OICR_MSIX)
95 #define ICE_FDIR_MSIX 2
96 #define ICE_RDMA_NUM_AEQ_MSIX 4
97 #define ICE_MIN_RDMA_MSIX 2
98 #define ICE_ESWITCH_MSIX 1
99 #define ICE_NO_VSI 0xffff
100 #define ICE_VSI_MAP_CONTIG 0
101 #define ICE_VSI_MAP_SCATTER 1
102 #define ICE_MAX_SCATTER_TXQS 16
103 #define ICE_MAX_SCATTER_RXQS 16
104 #define ICE_Q_WAIT_RETRY_LIMIT 10
105 #define ICE_Q_WAIT_MAX_RETRY (5 * ICE_Q_WAIT_RETRY_LIMIT)
106 #define ICE_MAX_LG_RSS_QS 256
107 #define ICE_RES_VALID_BIT 0x8000
108 #define ICE_RES_MISC_VEC_ID (ICE_RES_VALID_BIT - 1)
109 #define ICE_RES_RDMA_VEC_ID (ICE_RES_MISC_VEC_ID - 1)
110 /* All VF control VSIs share the same IRQ, so assign a unique ID for them */
111 #define ICE_RES_VF_CTRL_VEC_ID (ICE_RES_RDMA_VEC_ID - 1)
112 #define ICE_INVAL_Q_INDEX 0xffff
113
114 #define ICE_MAX_RXQS_PER_TC 256 /* Used when setting VSI context per TC Rx queues */
115
116 #define ICE_CHNL_START_TC 1
117
118 #define ICE_MAX_RESET_WAIT 20
119
120 #define ICE_VSIQF_HKEY_ARRAY_SIZE ((VSIQF_HKEY_MAX_INDEX + 1) * 4)
121
122 #define ICE_DFLT_NETIF_M (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK)
123
124 #define ICE_MAX_MTU (ICE_AQ_SET_MAC_FRAME_SIZE_MAX - ICE_ETH_PKT_HDR_PAD)
125
126 #define ICE_MAX_TSO_SIZE 131072
127
128 #define ICE_UP_TABLE_TRANSLATE(val, i) \
129 (((val) << ICE_AQ_VSI_UP_TABLE_UP##i##_S) & \
130 ICE_AQ_VSI_UP_TABLE_UP##i##_M)
131
132 #define ICE_TX_DESC(R, i) (&(((struct ice_tx_desc *)((R)->desc))[i]))
133 #define ICE_RX_DESC(R, i) (&(((union ice_32b_rx_flex_desc *)((R)->desc))[i]))
134 #define ICE_TX_CTX_DESC(R, i) (&(((struct ice_tx_ctx_desc *)((R)->desc))[i]))
135 #define ICE_TX_FDIRDESC(R, i) (&(((struct ice_fltr_desc *)((R)->desc))[i]))
136
137 /* Minimum BW limit is 500 Kbps for any scheduler node */
138 #define ICE_MIN_BW_LIMIT 500
139 /* User can specify BW in either Kbit/Mbit/Gbit and OS converts it in bytes.
140 * use it to convert user specified BW limit into Kbps
141 */
142 #define ICE_BW_KBPS_DIVISOR 125
143
144 /* Default recipes have priority 4 and below, hence priority values between 5..7
145 * can be used as filter priority for advanced switch filter (advanced switch
146 * filters need new recipe to be created for specified extraction sequence
147 * because default recipe extraction sequence does not represent custom
148 * extraction)
149 */
150 #define ICE_SWITCH_FLTR_PRIO_QUEUE 7
151 /* prio 6 is reserved for future use (e.g. switch filter with L3 fields +
152 * (Optional: IP TOS/TTL) + L4 fields + (optionally: TCP fields such as
153 * SYN/FIN/RST))
154 */
155 #define ICE_SWITCH_FLTR_PRIO_RSVD 6
156 #define ICE_SWITCH_FLTR_PRIO_VSI 5
157 #define ICE_SWITCH_FLTR_PRIO_QGRP ICE_SWITCH_FLTR_PRIO_VSI
158
159 /* Macro for each VSI in a PF */
160 #define ice_for_each_vsi(pf, i) \
161 for ((i) = 0; (i) < (pf)->num_alloc_vsi; (i)++)
162
163 /* Macros for each Tx/Xdp/Rx ring in a VSI */
164 #define ice_for_each_txq(vsi, i) \
165 for ((i) = 0; (i) < (vsi)->num_txq; (i)++)
166
167 #define ice_for_each_xdp_txq(vsi, i) \
168 for ((i) = 0; (i) < (vsi)->num_xdp_txq; (i)++)
169
170 #define ice_for_each_rxq(vsi, i) \
171 for ((i) = 0; (i) < (vsi)->num_rxq; (i)++)
172
173 /* Macros for each allocated Tx/Rx ring whether used or not in a VSI */
174 #define ice_for_each_alloc_txq(vsi, i) \
175 for ((i) = 0; (i) < (vsi)->alloc_txq; (i)++)
176
177 #define ice_for_each_alloc_rxq(vsi, i) \
178 for ((i) = 0; (i) < (vsi)->alloc_rxq; (i)++)
179
180 #define ice_for_each_q_vector(vsi, i) \
181 for ((i) = 0; (i) < (vsi)->num_q_vectors; (i)++)
182
183 #define ice_for_each_chnl_tc(i) \
184 for ((i) = ICE_CHNL_START_TC; (i) < ICE_CHNL_MAX_TC; (i)++)
185
186 #define ICE_UCAST_PROMISC_BITS (ICE_PROMISC_UCAST_TX | ICE_PROMISC_UCAST_RX)
187
188 #define ICE_UCAST_VLAN_PROMISC_BITS (ICE_PROMISC_UCAST_TX | \
189 ICE_PROMISC_UCAST_RX | \
190 ICE_PROMISC_VLAN_TX | \
191 ICE_PROMISC_VLAN_RX)
192
193 #define ICE_MCAST_PROMISC_BITS (ICE_PROMISC_MCAST_TX | ICE_PROMISC_MCAST_RX)
194
195 #define ICE_MCAST_VLAN_PROMISC_BITS (ICE_PROMISC_MCAST_TX | \
196 ICE_PROMISC_MCAST_RX | \
197 ICE_PROMISC_VLAN_TX | \
198 ICE_PROMISC_VLAN_RX)
199
200 #define ice_pf_to_dev(pf) (&((pf)->pdev->dev))
201
202 enum ice_feature {
203 ICE_F_DSCP,
204 ICE_F_PTP_EXTTS,
205 ICE_F_SMA_CTRL,
206 ICE_F_GNSS,
207 ICE_F_MAX
208 };
209
210 DECLARE_STATIC_KEY_FALSE(ice_xdp_locking_key);
211
212 struct ice_channel {
213 struct list_head list;
214 u8 type;
215 u16 sw_id;
216 u16 base_q;
217 u16 num_rxq;
218 u16 num_txq;
219 u16 vsi_num;
220 u8 ena_tc;
221 struct ice_aqc_vsi_props info;
222 u64 max_tx_rate;
223 u64 min_tx_rate;
224 atomic_t num_sb_fltr;
225 struct ice_vsi *ch_vsi;
226 };
227
228 struct ice_txq_meta {
229 u32 q_teid; /* Tx-scheduler element identifier */
230 u16 q_id; /* Entry in VSI's txq_map bitmap */
231 u16 q_handle; /* Relative index of Tx queue within TC */
232 u16 vsi_idx; /* VSI index that Tx queue belongs to */
233 u8 tc; /* TC number that Tx queue belongs to */
234 };
235
236 struct ice_tc_info {
237 u16 qoffset;
238 u16 qcount_tx;
239 u16 qcount_rx;
240 u8 netdev_tc;
241 };
242
243 struct ice_tc_cfg {
244 u8 numtc; /* Total number of enabled TCs */
245 u16 ena_tc; /* Tx map */
246 struct ice_tc_info tc_info[ICE_MAX_TRAFFIC_CLASS];
247 };
248
249 struct ice_res_tracker {
250 u16 num_entries;
251 u16 end;
252 u16 list[];
253 };
254
255 struct ice_qs_cfg {
256 struct mutex *qs_mutex; /* will be assigned to &pf->avail_q_mutex */
257 unsigned long *pf_map;
258 unsigned long pf_map_size;
259 unsigned int q_count;
260 unsigned int scatter_count;
261 u16 *vsi_map;
262 u16 vsi_map_offset;
263 u8 mapping_mode;
264 };
265
266 struct ice_sw {
267 struct ice_pf *pf;
268 u16 sw_id; /* switch ID for this switch */
269 u16 bridge_mode; /* VEB/VEPA/Port Virtualizer */
270 };
271
272 enum ice_pf_state {
273 ICE_TESTING,
274 ICE_DOWN,
275 ICE_NEEDS_RESTART,
276 ICE_PREPARED_FOR_RESET, /* set by driver when prepared */
277 ICE_RESET_OICR_RECV, /* set by driver after rcv reset OICR */
278 ICE_PFR_REQ, /* set by driver */
279 ICE_CORER_REQ, /* set by driver */
280 ICE_GLOBR_REQ, /* set by driver */
281 ICE_CORER_RECV, /* set by OICR handler */
282 ICE_GLOBR_RECV, /* set by OICR handler */
283 ICE_EMPR_RECV, /* set by OICR handler */
284 ICE_SUSPENDED, /* set on module remove path */
285 ICE_RESET_FAILED, /* set by reset/rebuild */
286 /* When checking for the PF to be in a nominal operating state, the
287 * bits that are grouped at the beginning of the list need to be
288 * checked. Bits occurring before ICE_STATE_NOMINAL_CHECK_BITS will
289 * be checked. If you need to add a bit into consideration for nominal
290 * operating state, it must be added before
291 * ICE_STATE_NOMINAL_CHECK_BITS. Do not move this entry's position
292 * without appropriate consideration.
293 */
294 ICE_STATE_NOMINAL_CHECK_BITS,
295 ICE_ADMINQ_EVENT_PENDING,
296 ICE_MAILBOXQ_EVENT_PENDING,
297 ICE_SIDEBANDQ_EVENT_PENDING,
298 ICE_MDD_EVENT_PENDING,
299 ICE_VFLR_EVENT_PENDING,
300 ICE_FLTR_OVERFLOW_PROMISC,
301 ICE_VF_DIS,
302 ICE_CFG_BUSY,
303 ICE_SERVICE_SCHED,
304 ICE_SERVICE_DIS,
305 ICE_FD_FLUSH_REQ,
306 ICE_OICR_INTR_DIS, /* Global OICR interrupt disabled */
307 ICE_MDD_VF_PRINT_PENDING, /* set when MDD event handle */
308 ICE_VF_RESETS_DISABLED, /* disable resets during ice_remove */
309 ICE_LINK_DEFAULT_OVERRIDE_PENDING,
310 ICE_PHY_INIT_COMPLETE,
311 ICE_FD_VF_FLUSH_CTX, /* set at FD Rx IRQ or timeout */
312 ICE_AUX_ERR_PENDING,
313 ICE_STATE_NBITS /* must be last */
314 };
315
316 enum ice_vsi_state {
317 ICE_VSI_DOWN,
318 ICE_VSI_NEEDS_RESTART,
319 ICE_VSI_NETDEV_ALLOCD,
320 ICE_VSI_NETDEV_REGISTERED,
321 ICE_VSI_UMAC_FLTR_CHANGED,
322 ICE_VSI_MMAC_FLTR_CHANGED,
323 ICE_VSI_PROMISC_CHANGED,
324 ICE_VSI_STATE_NBITS /* must be last */
325 };
326
327 struct ice_vsi_stats {
328 struct ice_ring_stats **tx_ring_stats; /* Tx ring stats array */
329 struct ice_ring_stats **rx_ring_stats; /* Rx ring stats array */
330 };
331
332 /* struct that defines a VSI, associated with a dev */
333 struct ice_vsi {
334 struct net_device *netdev;
335 struct ice_sw *vsw; /* switch this VSI is on */
336 struct ice_pf *back; /* back pointer to PF */
337 struct ice_port_info *port_info; /* back pointer to port_info */
338 struct ice_rx_ring **rx_rings; /* Rx ring array */
339 struct ice_tx_ring **tx_rings; /* Tx ring array */
340 struct ice_q_vector **q_vectors; /* q_vector array */
341
342 irqreturn_t (*irq_handler)(int irq, void *data);
343
344 u64 tx_linearize;
345 DECLARE_BITMAP(state, ICE_VSI_STATE_NBITS);
346 unsigned int current_netdev_flags;
347 u32 tx_restart;
348 u32 tx_busy;
349 u32 rx_buf_failed;
350 u32 rx_page_failed;
351 u16 num_q_vectors;
352 u16 base_vector; /* IRQ base for OS reserved vectors */
353 enum ice_vsi_type type;
354 u16 vsi_num; /* HW (absolute) index of this VSI */
355 u16 idx; /* software index in pf->vsi[] */
356
357 struct ice_vf *vf; /* VF associated with this VSI */
358
359 u16 num_gfltr;
360 u16 num_bfltr;
361
362 /* RSS config */
363 u16 rss_table_size; /* HW RSS table size */
364 u16 rss_size; /* Allocated RSS queues */
365 u8 *rss_hkey_user; /* User configured hash keys */
366 u8 *rss_lut_user; /* User configured lookup table entries */
367 u8 rss_lut_type; /* used to configure Get/Set RSS LUT AQ call */
368
369 /* aRFS members only allocated for the PF VSI */
370 #define ICE_MAX_ARFS_LIST 1024
371 #define ICE_ARFS_LST_MASK (ICE_MAX_ARFS_LIST - 1)
372 struct hlist_head *arfs_fltr_list;
373 struct ice_arfs_active_fltr_cntrs *arfs_fltr_cntrs;
374 spinlock_t arfs_lock; /* protects aRFS hash table and filter state */
375 atomic_t *arfs_last_fltr_id;
376
377 u16 max_frame;
378 u16 rx_buf_len;
379
380 struct ice_aqc_vsi_props info; /* VSI properties */
381
382 /* VSI stats */
383 struct rtnl_link_stats64 net_stats;
384 struct rtnl_link_stats64 net_stats_prev;
385 struct ice_eth_stats eth_stats;
386 struct ice_eth_stats eth_stats_prev;
387
388 struct list_head tmp_sync_list; /* MAC filters to be synced */
389 struct list_head tmp_unsync_list; /* MAC filters to be unsynced */
390
391 u8 irqs_ready:1;
392 u8 current_isup:1; /* Sync 'link up' logging */
393 u8 stat_offsets_loaded:1;
394 struct ice_vsi_vlan_ops inner_vlan_ops;
395 struct ice_vsi_vlan_ops outer_vlan_ops;
396 u16 num_vlan;
397
398 /* queue information */
399 u8 tx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */
400 u8 rx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */
401 u16 *txq_map; /* index in pf->avail_txqs */
402 u16 *rxq_map; /* index in pf->avail_rxqs */
403 u16 alloc_txq; /* Allocated Tx queues */
404 u16 num_txq; /* Used Tx queues */
405 u16 alloc_rxq; /* Allocated Rx queues */
406 u16 num_rxq; /* Used Rx queues */
407 u16 req_txq; /* User requested Tx queues */
408 u16 req_rxq; /* User requested Rx queues */
409 u16 num_rx_desc;
410 u16 num_tx_desc;
411 u16 qset_handle[ICE_MAX_TRAFFIC_CLASS];
412 struct ice_tc_cfg tc_cfg;
413 struct bpf_prog *xdp_prog;
414 struct ice_tx_ring **xdp_rings; /* XDP ring array */
415 unsigned long *af_xdp_zc_qps; /* tracks AF_XDP ZC enabled qps */
416 u16 num_xdp_txq; /* Used XDP queues */
417 u8 xdp_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */
418
419 struct net_device **target_netdevs;
420
421 struct tc_mqprio_qopt_offload mqprio_qopt; /* queue parameters */
422
423 /* Channel Specific Fields */
424 struct ice_vsi *tc_map_vsi[ICE_CHNL_MAX_TC];
425 u16 cnt_q_avail;
426 u16 next_base_q; /* next queue to be used for channel setup */
427 struct list_head ch_list;
428 u16 num_chnl_rxq;
429 u16 num_chnl_txq;
430 u16 ch_rss_size;
431 u16 num_chnl_fltr;
432 /* store away rss size info before configuring ADQ channels so that,
433 * it can be used after tc-qdisc delete, to get back RSS setting as
434 * they were before
435 */
436 u16 orig_rss_size;
437 /* this keeps tracks of all enabled TC with and without DCB
438 * and inclusive of ADQ, vsi->mqprio_opt keeps track of queue
439 * information
440 */
441 u8 all_numtc;
442 u16 all_enatc;
443
444 /* store away TC info, to be used for rebuild logic */
445 u8 old_numtc;
446 u16 old_ena_tc;
447
448 struct ice_channel *ch;
449
450 /* setup back reference, to which aggregator node this VSI
451 * corresponds to
452 */
453 struct ice_agg_node *agg_node;
454 } ____cacheline_internodealigned_in_smp;
455
456 /* struct that defines an interrupt vector */
457 struct ice_q_vector {
458 struct ice_vsi *vsi;
459
460 u16 v_idx; /* index in the vsi->q_vector array. */
461 u16 reg_idx;
462 u8 num_ring_rx; /* total number of Rx rings in vector */
463 u8 num_ring_tx; /* total number of Tx rings in vector */
464 u8 wb_on_itr:1; /* if true, WB on ITR is enabled */
465 /* in usecs, need to use ice_intrl_to_usecs_reg() before writing this
466 * value to the device
467 */
468 u8 intrl;
469
470 struct napi_struct napi;
471
472 struct ice_ring_container rx;
473 struct ice_ring_container tx;
474
475 cpumask_t affinity_mask;
476 struct irq_affinity_notify affinity_notify;
477
478 struct ice_channel *ch;
479
480 char name[ICE_INT_NAME_STR_LEN];
481
482 u16 total_events; /* net_dim(): number of interrupts processed */
483 } ____cacheline_internodealigned_in_smp;
484
485 enum ice_pf_flags {
486 ICE_FLAG_FLTR_SYNC,
487 ICE_FLAG_RDMA_ENA,
488 ICE_FLAG_RSS_ENA,
489 ICE_FLAG_SRIOV_ENA,
490 ICE_FLAG_SRIOV_CAPABLE,
491 ICE_FLAG_DCB_CAPABLE,
492 ICE_FLAG_DCB_ENA,
493 ICE_FLAG_FD_ENA,
494 ICE_FLAG_PTP_SUPPORTED, /* PTP is supported by NVM */
495 ICE_FLAG_PTP, /* PTP is enabled by software */
496 ICE_FLAG_ADV_FEATURES,
497 ICE_FLAG_TC_MQPRIO, /* support for Multi queue TC */
498 ICE_FLAG_CLS_FLOWER,
499 ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA,
500 ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA,
501 ICE_FLAG_NO_MEDIA,
502 ICE_FLAG_FW_LLDP_AGENT,
503 ICE_FLAG_MOD_POWER_UNSUPPORTED,
504 ICE_FLAG_PHY_FW_LOAD_FAILED,
505 ICE_FLAG_ETHTOOL_CTXT, /* set when ethtool holds RTNL lock */
506 ICE_FLAG_LEGACY_RX,
507 ICE_FLAG_VF_TRUE_PROMISC_ENA,
508 ICE_FLAG_MDD_AUTO_RESET_VF,
509 ICE_FLAG_VF_VLAN_PRUNING,
510 ICE_FLAG_LINK_LENIENT_MODE_ENA,
511 ICE_FLAG_PLUG_AUX_DEV,
512 ICE_FLAG_MTU_CHANGED,
513 ICE_FLAG_GNSS, /* GNSS successfully initialized */
514 ICE_PF_FLAGS_NBITS /* must be last */
515 };
516
517 struct ice_switchdev_info {
518 struct ice_vsi *control_vsi;
519 struct ice_vsi *uplink_vsi;
520 bool is_running;
521 };
522
523 struct ice_agg_node {
524 u32 agg_id;
525 #define ICE_MAX_VSIS_IN_AGG_NODE 64
526 u32 num_vsis;
527 u8 valid;
528 };
529
530 struct ice_pf {
531 struct pci_dev *pdev;
532
533 struct devlink_region *nvm_region;
534 struct devlink_region *sram_region;
535 struct devlink_region *devcaps_region;
536
537 /* devlink port data */
538 struct devlink_port devlink_port;
539
540 /* OS reserved IRQ details */
541 struct msix_entry *msix_entries;
542 struct ice_res_tracker *irq_tracker;
543 /* First MSIX vector used by SR-IOV VFs. Calculated by subtracting the
544 * number of MSIX vectors needed for all SR-IOV VFs from the number of
545 * MSIX vectors allowed on this PF.
546 */
547 u16 sriov_base_vector;
548
549 u16 ctrl_vsi_idx; /* control VSI index in pf->vsi array */
550
551 struct ice_vsi **vsi; /* VSIs created by the driver */
552 struct ice_vsi_stats **vsi_stats;
553 struct ice_sw *first_sw; /* first switch created by firmware */
554 u16 eswitch_mode; /* current mode of eswitch */
555 struct ice_vfs vfs;
556 DECLARE_BITMAP(features, ICE_F_MAX);
557 DECLARE_BITMAP(state, ICE_STATE_NBITS);
558 DECLARE_BITMAP(flags, ICE_PF_FLAGS_NBITS);
559 unsigned long *avail_txqs; /* bitmap to track PF Tx queue usage */
560 unsigned long *avail_rxqs; /* bitmap to track PF Rx queue usage */
561 unsigned long serv_tmr_period;
562 unsigned long serv_tmr_prev;
563 struct timer_list serv_tmr;
564 struct work_struct serv_task;
565 struct mutex avail_q_mutex; /* protects access to avail_[rx|tx]qs */
566 struct mutex sw_mutex; /* lock for protecting VSI alloc flow */
567 struct mutex tc_mutex; /* lock to protect TC changes */
568 struct mutex adev_mutex; /* lock to protect aux device access */
569 u32 msg_enable;
570 struct ice_ptp ptp;
571 struct gnss_serial *gnss_serial;
572 struct gnss_device *gnss_dev;
573 u16 num_rdma_msix; /* Total MSIX vectors for RDMA driver */
574 u16 rdma_base_vector;
575
576 /* spinlock to protect the AdminQ wait list */
577 spinlock_t aq_wait_lock;
578 struct hlist_head aq_wait_list;
579 wait_queue_head_t aq_wait_queue;
580 bool fw_emp_reset_disabled;
581
582 wait_queue_head_t reset_wait_queue;
583
584 u32 hw_csum_rx_error;
585 u32 oicr_err_reg;
586 u16 oicr_idx; /* Other interrupt cause MSIX vector index */
587 u16 num_avail_sw_msix; /* remaining MSIX SW vectors left unclaimed */
588 u16 max_pf_txqs; /* Total Tx queues PF wide */
589 u16 max_pf_rxqs; /* Total Rx queues PF wide */
590 u16 num_lan_msix; /* Total MSIX vectors for base driver */
591 u16 num_lan_tx; /* num LAN Tx queues setup */
592 u16 num_lan_rx; /* num LAN Rx queues setup */
593 u16 next_vsi; /* Next free slot in pf->vsi[] - 0-based! */
594 u16 num_alloc_vsi;
595 u16 corer_count; /* Core reset count */
596 u16 globr_count; /* Global reset count */
597 u16 empr_count; /* EMP reset count */
598 u16 pfr_count; /* PF reset count */
599
600 u8 wol_ena : 1; /* software state of WoL */
601 u32 wakeup_reason; /* last wakeup reason */
602 struct ice_hw_port_stats stats;
603 struct ice_hw_port_stats stats_prev;
604 struct ice_hw hw;
605 u8 stat_prev_loaded:1; /* has previous stats been loaded */
606 u8 rdma_mode;
607 u16 dcbx_cap;
608 u32 tx_timeout_count;
609 unsigned long tx_timeout_last_recovery;
610 u32 tx_timeout_recovery_level;
611 char int_name[ICE_INT_NAME_STR_LEN];
612 struct auxiliary_device *adev;
613 int aux_idx;
614 u32 sw_int_count;
615 /* count of tc_flower filters specific to channel (aka where filter
616 * action is "hw_tc <tc_num>")
617 */
618 u16 num_dmac_chnl_fltrs;
619 struct hlist_head tc_flower_fltr_list;
620
621 u64 supported_rxdids;
622
623 __le64 nvm_phy_type_lo; /* NVM PHY type low */
624 __le64 nvm_phy_type_hi; /* NVM PHY type high */
625 struct ice_link_default_override_tlv link_dflt_override;
626 struct ice_lag *lag; /* Link Aggregation information */
627
628 struct ice_switchdev_info switchdev;
629
630 #define ICE_INVALID_AGG_NODE_ID 0
631 #define ICE_PF_AGG_NODE_ID_START 1
632 #define ICE_MAX_PF_AGG_NODES 32
633 struct ice_agg_node pf_agg_node[ICE_MAX_PF_AGG_NODES];
634 #define ICE_VF_AGG_NODE_ID_START 65
635 #define ICE_MAX_VF_AGG_NODES 32
636 struct ice_agg_node vf_agg_node[ICE_MAX_VF_AGG_NODES];
637 };
638
639 struct ice_netdev_priv {
640 struct ice_vsi *vsi;
641 struct ice_repr *repr;
642 /* indirect block callbacks on registered higher level devices
643 * (e.g. tunnel devices)
644 *
645 * tc_indr_block_cb_priv_list is used to look up indirect callback
646 * private data
647 */
648 struct list_head tc_indr_block_priv_list;
649 };
650
651 /**
652 * ice_vector_ch_enabled
653 * @qv: pointer to q_vector, can be NULL
654 *
655 * This function returns true if vector is channel enabled otherwise false
656 */
ice_vector_ch_enabled(struct ice_q_vector * qv)657 static inline bool ice_vector_ch_enabled(struct ice_q_vector *qv)
658 {
659 return !!qv->ch; /* Enable it to run with TC */
660 }
661
662 /**
663 * ice_irq_dynamic_ena - Enable default interrupt generation settings
664 * @hw: pointer to HW struct
665 * @vsi: pointer to VSI struct, can be NULL
666 * @q_vector: pointer to q_vector, can be NULL
667 */
668 static inline void
ice_irq_dynamic_ena(struct ice_hw * hw,struct ice_vsi * vsi,struct ice_q_vector * q_vector)669 ice_irq_dynamic_ena(struct ice_hw *hw, struct ice_vsi *vsi,
670 struct ice_q_vector *q_vector)
671 {
672 u32 vector = (vsi && q_vector) ? q_vector->reg_idx :
673 ((struct ice_pf *)hw->back)->oicr_idx;
674 int itr = ICE_ITR_NONE;
675 u32 val;
676
677 /* clear the PBA here, as this function is meant to clean out all
678 * previous interrupts and enable the interrupt
679 */
680 val = GLINT_DYN_CTL_INTENA_M | GLINT_DYN_CTL_CLEARPBA_M |
681 (itr << GLINT_DYN_CTL_ITR_INDX_S);
682 if (vsi)
683 if (test_bit(ICE_VSI_DOWN, vsi->state))
684 return;
685 wr32(hw, GLINT_DYN_CTL(vector), val);
686 }
687
688 /**
689 * ice_netdev_to_pf - Retrieve the PF struct associated with a netdev
690 * @netdev: pointer to the netdev struct
691 */
ice_netdev_to_pf(struct net_device * netdev)692 static inline struct ice_pf *ice_netdev_to_pf(struct net_device *netdev)
693 {
694 struct ice_netdev_priv *np = netdev_priv(netdev);
695
696 return np->vsi->back;
697 }
698
ice_is_xdp_ena_vsi(struct ice_vsi * vsi)699 static inline bool ice_is_xdp_ena_vsi(struct ice_vsi *vsi)
700 {
701 return !!READ_ONCE(vsi->xdp_prog);
702 }
703
ice_set_ring_xdp(struct ice_tx_ring * ring)704 static inline void ice_set_ring_xdp(struct ice_tx_ring *ring)
705 {
706 ring->flags |= ICE_TX_FLAGS_RING_XDP;
707 }
708
709 /**
710 * ice_xsk_pool - get XSK buffer pool bound to a ring
711 * @ring: Rx ring to use
712 *
713 * Returns a pointer to xsk_buff_pool structure if there is a buffer pool
714 * present, NULL otherwise.
715 */
ice_xsk_pool(struct ice_rx_ring * ring)716 static inline struct xsk_buff_pool *ice_xsk_pool(struct ice_rx_ring *ring)
717 {
718 struct ice_vsi *vsi = ring->vsi;
719 u16 qid = ring->q_index;
720
721 if (!ice_is_xdp_ena_vsi(vsi) || !test_bit(qid, vsi->af_xdp_zc_qps))
722 return NULL;
723
724 return xsk_get_pool_from_qid(vsi->netdev, qid);
725 }
726
727 /**
728 * ice_tx_xsk_pool - assign XSK buff pool to XDP ring
729 * @vsi: pointer to VSI
730 * @qid: index of a queue to look at XSK buff pool presence
731 *
732 * Sets XSK buff pool pointer on XDP ring.
733 *
734 * XDP ring is picked from Rx ring, whereas Rx ring is picked based on provided
735 * queue id. Reason for doing so is that queue vectors might have assigned more
736 * than one XDP ring, e.g. when user reduced the queue count on netdev; Rx ring
737 * carries a pointer to one of these XDP rings for its own purposes, such as
738 * handling XDP_TX action, therefore we can piggyback here on the
739 * rx_ring->xdp_ring assignment that was done during XDP rings initialization.
740 */
ice_tx_xsk_pool(struct ice_vsi * vsi,u16 qid)741 static inline void ice_tx_xsk_pool(struct ice_vsi *vsi, u16 qid)
742 {
743 struct ice_tx_ring *ring;
744
745 ring = vsi->rx_rings[qid]->xdp_ring;
746 if (!ring)
747 return;
748
749 if (!ice_is_xdp_ena_vsi(vsi) || !test_bit(qid, vsi->af_xdp_zc_qps)) {
750 ring->xsk_pool = NULL;
751 return;
752 }
753
754 ring->xsk_pool = xsk_get_pool_from_qid(vsi->netdev, qid);
755 }
756
757 /**
758 * ice_get_main_vsi - Get the PF VSI
759 * @pf: PF instance
760 *
761 * returns pf->vsi[0], which by definition is the PF VSI
762 */
ice_get_main_vsi(struct ice_pf * pf)763 static inline struct ice_vsi *ice_get_main_vsi(struct ice_pf *pf)
764 {
765 if (pf->vsi)
766 return pf->vsi[0];
767
768 return NULL;
769 }
770
771 /**
772 * ice_get_netdev_priv_vsi - return VSI associated with netdev priv.
773 * @np: private netdev structure
774 */
ice_get_netdev_priv_vsi(struct ice_netdev_priv * np)775 static inline struct ice_vsi *ice_get_netdev_priv_vsi(struct ice_netdev_priv *np)
776 {
777 /* In case of port representor return source port VSI. */
778 if (np->repr)
779 return np->repr->src_vsi;
780 else
781 return np->vsi;
782 }
783
784 /**
785 * ice_get_ctrl_vsi - Get the control VSI
786 * @pf: PF instance
787 */
ice_get_ctrl_vsi(struct ice_pf * pf)788 static inline struct ice_vsi *ice_get_ctrl_vsi(struct ice_pf *pf)
789 {
790 /* if pf->ctrl_vsi_idx is ICE_NO_VSI, control VSI was not set up */
791 if (!pf->vsi || pf->ctrl_vsi_idx == ICE_NO_VSI)
792 return NULL;
793
794 return pf->vsi[pf->ctrl_vsi_idx];
795 }
796
797 /**
798 * ice_find_vsi - Find the VSI from VSI ID
799 * @pf: The PF pointer to search in
800 * @vsi_num: The VSI ID to search for
801 */
ice_find_vsi(struct ice_pf * pf,u16 vsi_num)802 static inline struct ice_vsi *ice_find_vsi(struct ice_pf *pf, u16 vsi_num)
803 {
804 int i;
805
806 ice_for_each_vsi(pf, i)
807 if (pf->vsi[i] && pf->vsi[i]->vsi_num == vsi_num)
808 return pf->vsi[i];
809 return NULL;
810 }
811
812 /**
813 * ice_is_switchdev_running - check if switchdev is configured
814 * @pf: pointer to PF structure
815 *
816 * Returns true if eswitch mode is set to DEVLINK_ESWITCH_MODE_SWITCHDEV
817 * and switchdev is configured, false otherwise.
818 */
ice_is_switchdev_running(struct ice_pf * pf)819 static inline bool ice_is_switchdev_running(struct ice_pf *pf)
820 {
821 return pf->switchdev.is_running;
822 }
823
824 /**
825 * ice_set_sriov_cap - enable SRIOV in PF flags
826 * @pf: PF struct
827 */
ice_set_sriov_cap(struct ice_pf * pf)828 static inline void ice_set_sriov_cap(struct ice_pf *pf)
829 {
830 if (pf->hw.func_caps.common_cap.sr_iov_1_1)
831 set_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags);
832 }
833
834 /**
835 * ice_clear_sriov_cap - disable SRIOV in PF flags
836 * @pf: PF struct
837 */
ice_clear_sriov_cap(struct ice_pf * pf)838 static inline void ice_clear_sriov_cap(struct ice_pf *pf)
839 {
840 clear_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags);
841 }
842
843 #define ICE_FD_STAT_CTR_BLOCK_COUNT 256
844 #define ICE_FD_STAT_PF_IDX(base_idx) \
845 ((base_idx) * ICE_FD_STAT_CTR_BLOCK_COUNT)
846 #define ICE_FD_SB_STAT_IDX(base_idx) ICE_FD_STAT_PF_IDX(base_idx)
847 #define ICE_FD_STAT_CH 1
848 #define ICE_FD_CH_STAT_IDX(base_idx) \
849 (ICE_FD_STAT_PF_IDX(base_idx) + ICE_FD_STAT_CH)
850
851 /**
852 * ice_is_adq_active - any active ADQs
853 * @pf: pointer to PF
854 *
855 * This function returns true if there are any ADQs configured (which is
856 * determined by looking at VSI type (which should be VSI_PF), numtc, and
857 * TC_MQPRIO flag) otherwise return false
858 */
ice_is_adq_active(struct ice_pf * pf)859 static inline bool ice_is_adq_active(struct ice_pf *pf)
860 {
861 struct ice_vsi *vsi;
862
863 vsi = ice_get_main_vsi(pf);
864 if (!vsi)
865 return false;
866
867 /* is ADQ configured */
868 if (vsi->tc_cfg.numtc > ICE_CHNL_START_TC &&
869 test_bit(ICE_FLAG_TC_MQPRIO, pf->flags))
870 return true;
871
872 return false;
873 }
874
875 bool netif_is_ice(struct net_device *dev);
876 int ice_vsi_setup_tx_rings(struct ice_vsi *vsi);
877 int ice_vsi_setup_rx_rings(struct ice_vsi *vsi);
878 int ice_vsi_open_ctrl(struct ice_vsi *vsi);
879 int ice_vsi_open(struct ice_vsi *vsi);
880 void ice_set_ethtool_ops(struct net_device *netdev);
881 void ice_set_ethtool_repr_ops(struct net_device *netdev);
882 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev);
883 u16 ice_get_avail_txq_count(struct ice_pf *pf);
884 u16 ice_get_avail_rxq_count(struct ice_pf *pf);
885 int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx, bool locked);
886 void ice_update_vsi_stats(struct ice_vsi *vsi);
887 void ice_update_pf_stats(struct ice_pf *pf);
888 void
889 ice_fetch_u64_stats_per_ring(struct u64_stats_sync *syncp,
890 struct ice_q_stats stats, u64 *pkts, u64 *bytes);
891 int ice_up(struct ice_vsi *vsi);
892 int ice_down(struct ice_vsi *vsi);
893 int ice_down_up(struct ice_vsi *vsi);
894 int ice_vsi_cfg_lan(struct ice_vsi *vsi);
895 struct ice_vsi *ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi);
896 int ice_vsi_determine_xdp_res(struct ice_vsi *vsi);
897 int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog);
898 int ice_destroy_xdp_rings(struct ice_vsi *vsi);
899 int
900 ice_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames,
901 u32 flags);
902 int ice_set_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size);
903 int ice_get_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size);
904 int ice_set_rss_key(struct ice_vsi *vsi, u8 *seed);
905 int ice_get_rss_key(struct ice_vsi *vsi, u8 *seed);
906 void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size);
907 int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset);
908 void ice_print_link_msg(struct ice_vsi *vsi, bool isup);
909 int ice_plug_aux_dev(struct ice_pf *pf);
910 void ice_unplug_aux_dev(struct ice_pf *pf);
911 int ice_init_rdma(struct ice_pf *pf);
912 void ice_deinit_rdma(struct ice_pf *pf);
913 const char *ice_aq_str(enum ice_aq_err aq_err);
914 bool ice_is_wol_supported(struct ice_hw *hw);
915 void ice_fdir_del_all_fltrs(struct ice_vsi *vsi);
916 int
917 ice_fdir_write_fltr(struct ice_pf *pf, struct ice_fdir_fltr *input, bool add,
918 bool is_tun);
919 void ice_vsi_manage_fdir(struct ice_vsi *vsi, bool ena);
920 int ice_add_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd);
921 int ice_del_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd);
922 int ice_get_ethtool_fdir_entry(struct ice_hw *hw, struct ethtool_rxnfc *cmd);
923 int
924 ice_get_fdir_fltr_ids(struct ice_hw *hw, struct ethtool_rxnfc *cmd,
925 u32 *rule_locs);
926 void ice_fdir_rem_adq_chnl(struct ice_hw *hw, u16 vsi_idx);
927 void ice_fdir_release_flows(struct ice_hw *hw);
928 void ice_fdir_replay_flows(struct ice_hw *hw);
929 void ice_fdir_replay_fltrs(struct ice_pf *pf);
930 int ice_fdir_create_dflt_rules(struct ice_pf *pf);
931 int ice_aq_wait_for_event(struct ice_pf *pf, u16 opcode, unsigned long timeout,
932 struct ice_rq_event_info *event);
933 int ice_open(struct net_device *netdev);
934 int ice_open_internal(struct net_device *netdev);
935 int ice_stop(struct net_device *netdev);
936 void ice_service_task_schedule(struct ice_pf *pf);
937 int ice_load(struct ice_pf *pf);
938 void ice_unload(struct ice_pf *pf);
939
940 /**
941 * ice_set_rdma_cap - enable RDMA support
942 * @pf: PF struct
943 */
ice_set_rdma_cap(struct ice_pf * pf)944 static inline void ice_set_rdma_cap(struct ice_pf *pf)
945 {
946 if (pf->hw.func_caps.common_cap.rdma && pf->num_rdma_msix) {
947 set_bit(ICE_FLAG_RDMA_ENA, pf->flags);
948 set_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags);
949 }
950 }
951
952 /**
953 * ice_clear_rdma_cap - disable RDMA support
954 * @pf: PF struct
955 */
ice_clear_rdma_cap(struct ice_pf * pf)956 static inline void ice_clear_rdma_cap(struct ice_pf *pf)
957 {
958 /* We can directly unplug aux device here only if the flag bit
959 * ICE_FLAG_PLUG_AUX_DEV is not set because ice_unplug_aux_dev()
960 * could race with ice_plug_aux_dev() called from
961 * ice_service_task(). In this case we only clear that bit now and
962 * aux device will be unplugged later once ice_plug_aux_device()
963 * called from ice_service_task() finishes (see ice_service_task()).
964 */
965 if (!test_and_clear_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags))
966 ice_unplug_aux_dev(pf);
967
968 clear_bit(ICE_FLAG_RDMA_ENA, pf->flags);
969 }
970 #endif /* _ICE_H_ */
971