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