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_RX
185
186 #define ICE_UCAST_VLAN_PROMISC_BITS (ICE_PROMISC_UCAST_RX | \
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 #define ice_pf_src_tmr_owned(pf) ((pf)->hw.func_caps.ts_func_info.src_tmr_owned)
199
200 enum ice_feature {
201 ICE_F_DSCP,
202 ICE_F_PHY_RCLK,
203 ICE_F_SMA_CTRL,
204 ICE_F_CGU,
205 ICE_F_GNSS,
206 ICE_F_ROCE_LAG,
207 ICE_F_SRIOV_LAG,
208 ICE_F_MBX_LIMIT,
209 ICE_F_MAX
210 };
211
212 DECLARE_STATIC_KEY_FALSE(ice_xdp_locking_key);
213
214 struct ice_channel {
215 struct list_head list;
216 u8 type;
217 u16 sw_id;
218 u16 base_q;
219 u16 num_rxq;
220 u16 num_txq;
221 u16 vsi_num;
222 u8 ena_tc;
223 struct ice_aqc_vsi_props info;
224 u64 max_tx_rate;
225 u64 min_tx_rate;
226 atomic_t num_sb_fltr;
227 struct ice_vsi *ch_vsi;
228 };
229
230 struct ice_txq_meta {
231 u32 q_teid; /* Tx-scheduler element identifier */
232 u16 q_id; /* Entry in VSI's txq_map bitmap */
233 u16 q_handle; /* Relative index of Tx queue within TC */
234 u16 vsi_idx; /* VSI index that Tx queue belongs to */
235 u8 tc; /* TC number that Tx queue belongs to */
236 };
237
238 struct ice_tc_info {
239 u16 qoffset;
240 u16 qcount_tx;
241 u16 qcount_rx;
242 u8 netdev_tc;
243 };
244
245 struct ice_tc_cfg {
246 u8 numtc; /* Total number of enabled TCs */
247 u16 ena_tc; /* Tx map */
248 struct ice_tc_info tc_info[ICE_MAX_TRAFFIC_CLASS];
249 };
250
251 struct ice_qs_cfg {
252 struct mutex *qs_mutex; /* will be assigned to &pf->avail_q_mutex */
253 unsigned long *pf_map;
254 unsigned long pf_map_size;
255 unsigned int q_count;
256 unsigned int scatter_count;
257 u16 *vsi_map;
258 u16 vsi_map_offset;
259 u8 mapping_mode;
260 };
261
262 struct ice_sw {
263 struct ice_pf *pf;
264 u16 sw_id; /* switch ID for this switch */
265 u16 bridge_mode; /* VEB/VEPA/Port Virtualizer */
266 };
267
268 enum ice_pf_state {
269 ICE_TESTING,
270 ICE_DOWN,
271 ICE_NEEDS_RESTART,
272 ICE_PREPARED_FOR_RESET, /* set by driver when prepared */
273 ICE_RESET_OICR_RECV, /* set by driver after rcv reset OICR */
274 ICE_PFR_REQ, /* set by driver */
275 ICE_CORER_REQ, /* set by driver */
276 ICE_GLOBR_REQ, /* set by driver */
277 ICE_CORER_RECV, /* set by OICR handler */
278 ICE_GLOBR_RECV, /* set by OICR handler */
279 ICE_EMPR_RECV, /* set by OICR handler */
280 ICE_SUSPENDED, /* set on module remove path */
281 ICE_RESET_FAILED, /* set by reset/rebuild */
282 /* When checking for the PF to be in a nominal operating state, the
283 * bits that are grouped at the beginning of the list need to be
284 * checked. Bits occurring before ICE_STATE_NOMINAL_CHECK_BITS will
285 * be checked. If you need to add a bit into consideration for nominal
286 * operating state, it must be added before
287 * ICE_STATE_NOMINAL_CHECK_BITS. Do not move this entry's position
288 * without appropriate consideration.
289 */
290 ICE_STATE_NOMINAL_CHECK_BITS,
291 ICE_ADMINQ_EVENT_PENDING,
292 ICE_MAILBOXQ_EVENT_PENDING,
293 ICE_SIDEBANDQ_EVENT_PENDING,
294 ICE_MDD_EVENT_PENDING,
295 ICE_VFLR_EVENT_PENDING,
296 ICE_FLTR_OVERFLOW_PROMISC,
297 ICE_VF_DIS,
298 ICE_CFG_BUSY,
299 ICE_SERVICE_SCHED,
300 ICE_SERVICE_DIS,
301 ICE_FD_FLUSH_REQ,
302 ICE_OICR_INTR_DIS, /* Global OICR interrupt disabled */
303 ICE_MDD_VF_PRINT_PENDING, /* set when MDD event handle */
304 ICE_VF_RESETS_DISABLED, /* disable resets during ice_remove */
305 ICE_LINK_DEFAULT_OVERRIDE_PENDING,
306 ICE_PHY_INIT_COMPLETE,
307 ICE_FD_VF_FLUSH_CTX, /* set at FD Rx IRQ or timeout */
308 ICE_AUX_ERR_PENDING,
309 ICE_STATE_NBITS /* must be last */
310 };
311
312 enum ice_vsi_state {
313 ICE_VSI_DOWN,
314 ICE_VSI_NEEDS_RESTART,
315 ICE_VSI_NETDEV_ALLOCD,
316 ICE_VSI_NETDEV_REGISTERED,
317 ICE_VSI_UMAC_FLTR_CHANGED,
318 ICE_VSI_MMAC_FLTR_CHANGED,
319 ICE_VSI_PROMISC_CHANGED,
320 ICE_VSI_REBUILD_PENDING,
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 struct ice_aqc_vsi_props info; /* VSI properties */
374 struct ice_vsi_vlan_info vlan_info; /* vlan config to be restored */
375
376 /* VSI stats */
377 struct rtnl_link_stats64 net_stats;
378 struct rtnl_link_stats64 net_stats_prev;
379 struct ice_eth_stats eth_stats;
380 struct ice_eth_stats eth_stats_prev;
381
382 struct list_head tmp_sync_list; /* MAC filters to be synced */
383 struct list_head tmp_unsync_list; /* MAC filters to be unsynced */
384
385 u8 irqs_ready:1;
386 u8 current_isup:1; /* Sync 'link up' logging */
387 u8 stat_offsets_loaded:1;
388 struct ice_vsi_vlan_ops inner_vlan_ops;
389 struct ice_vsi_vlan_ops outer_vlan_ops;
390 u16 num_vlan;
391
392 /* queue information */
393 u8 tx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */
394 u8 rx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */
395 u16 *txq_map; /* index in pf->avail_txqs */
396 u16 *rxq_map; /* index in pf->avail_rxqs */
397 u16 alloc_txq; /* Allocated Tx queues */
398 u16 num_txq; /* Used Tx queues */
399 u16 alloc_rxq; /* Allocated Rx queues */
400 u16 num_rxq; /* Used Rx queues */
401 u16 req_txq; /* User requested Tx queues */
402 u16 req_rxq; /* User requested Rx queues */
403 u16 num_rx_desc;
404 u16 num_tx_desc;
405 u16 qset_handle[ICE_MAX_TRAFFIC_CLASS];
406 struct ice_tc_cfg tc_cfg;
407 struct bpf_prog *xdp_prog;
408 struct ice_tx_ring **xdp_rings; /* XDP ring array */
409 u16 num_xdp_txq; /* Used XDP queues */
410 u8 xdp_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */
411 struct mutex xdp_state_lock;
412
413 struct net_device **target_netdevs;
414
415 struct tc_mqprio_qopt_offload mqprio_qopt; /* queue parameters */
416
417 /* Channel Specific Fields */
418 struct ice_vsi *tc_map_vsi[ICE_CHNL_MAX_TC];
419 u16 cnt_q_avail;
420 u16 next_base_q; /* next queue to be used for channel setup */
421 struct list_head ch_list;
422 u16 num_chnl_rxq;
423 u16 num_chnl_txq;
424 u16 ch_rss_size;
425 u16 num_chnl_fltr;
426 /* store away rss size info before configuring ADQ channels so that,
427 * it can be used after tc-qdisc delete, to get back RSS setting as
428 * they were before
429 */
430 u16 orig_rss_size;
431 /* this keeps tracks of all enabled TC with and without DCB
432 * and inclusive of ADQ, vsi->mqprio_opt keeps track of queue
433 * information
434 */
435 u8 all_numtc;
436 u16 all_enatc;
437
438 /* store away TC info, to be used for rebuild logic */
439 u8 old_numtc;
440 u16 old_ena_tc;
441
442 /* setup back reference, to which aggregator node this VSI
443 * corresponds to
444 */
445 struct ice_agg_node *agg_node;
446
447 struct_group_tagged(ice_vsi_cfg_params, params,
448 struct ice_port_info *port_info; /* back pointer to port_info */
449 struct ice_channel *ch; /* VSI's channel structure, may be NULL */
450 union {
451 /* VF associated with this VSI, may be NULL */
452 struct ice_vf *vf;
453 /* SF associated with this VSI, may be NULL */
454 struct ice_dynamic_port *sf;
455 };
456 u32 flags; /* VSI flags used for rebuild and configuration */
457 enum ice_vsi_type type; /* the type of the VSI */
458 );
459 } ____cacheline_internodealigned_in_smp;
460
461 /* struct that defines an interrupt vector */
462 struct ice_q_vector {
463 struct ice_vsi *vsi;
464
465 u16 v_idx; /* index in the vsi->q_vector array. */
466 u16 reg_idx; /* PF relative register index */
467 u8 num_ring_rx; /* total number of Rx rings in vector */
468 u8 num_ring_tx; /* total number of Tx rings in vector */
469 u8 wb_on_itr:1; /* if true, WB on ITR is enabled */
470 /* in usecs, need to use ice_intrl_to_usecs_reg() before writing this
471 * value to the device
472 */
473 u8 intrl;
474
475 struct napi_struct napi;
476
477 struct ice_ring_container rx;
478 struct ice_ring_container tx;
479
480 cpumask_t affinity_mask;
481 struct irq_affinity_notify affinity_notify;
482
483 struct ice_channel *ch;
484
485 char name[ICE_INT_NAME_STR_LEN];
486
487 u16 total_events; /* net_dim(): number of interrupts processed */
488 u16 vf_reg_idx; /* VF relative register index */
489 struct msi_map irq;
490 } ____cacheline_internodealigned_in_smp;
491
492 enum ice_pf_flags {
493 ICE_FLAG_FLTR_SYNC,
494 ICE_FLAG_RDMA_ENA,
495 ICE_FLAG_RSS_ENA,
496 ICE_FLAG_SRIOV_ENA,
497 ICE_FLAG_SRIOV_CAPABLE,
498 ICE_FLAG_DCB_CAPABLE,
499 ICE_FLAG_DCB_ENA,
500 ICE_FLAG_FD_ENA,
501 ICE_FLAG_PTP_SUPPORTED, /* PTP is supported by NVM */
502 ICE_FLAG_ADV_FEATURES,
503 ICE_FLAG_TC_MQPRIO, /* support for Multi queue TC */
504 ICE_FLAG_CLS_FLOWER,
505 ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA,
506 ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA,
507 ICE_FLAG_NO_MEDIA,
508 ICE_FLAG_FW_LLDP_AGENT,
509 ICE_FLAG_MOD_POWER_UNSUPPORTED,
510 ICE_FLAG_PHY_FW_LOAD_FAILED,
511 ICE_FLAG_ETHTOOL_CTXT, /* set when ethtool holds RTNL lock */
512 ICE_FLAG_LEGACY_RX,
513 ICE_FLAG_VF_TRUE_PROMISC_ENA,
514 ICE_FLAG_MDD_AUTO_RESET_VF,
515 ICE_FLAG_VF_VLAN_PRUNING,
516 ICE_FLAG_LINK_LENIENT_MODE_ENA,
517 ICE_FLAG_PLUG_AUX_DEV,
518 ICE_FLAG_UNPLUG_AUX_DEV,
519 ICE_FLAG_MTU_CHANGED,
520 ICE_FLAG_GNSS, /* GNSS successfully initialized */
521 ICE_FLAG_DPLL, /* SyncE/PTP dplls initialized */
522 ICE_PF_FLAGS_NBITS /* must be last */
523 };
524
525 enum ice_misc_thread_tasks {
526 ICE_MISC_THREAD_TX_TSTAMP,
527 ICE_MISC_THREAD_NBITS /* must be last */
528 };
529
530 struct ice_eswitch {
531 struct ice_vsi *uplink_vsi;
532 struct ice_esw_br_offloads *br_offloads;
533 struct xarray reprs;
534 bool is_running;
535 };
536
537 struct ice_agg_node {
538 u32 agg_id;
539 #define ICE_MAX_VSIS_IN_AGG_NODE 64
540 u32 num_vsis;
541 u8 valid;
542 };
543
544 struct ice_pf {
545 struct pci_dev *pdev;
546 struct ice_adapter *adapter;
547
548 struct devlink_region *nvm_region;
549 struct devlink_region *sram_region;
550 struct devlink_region *devcaps_region;
551
552 /* devlink port data */
553 struct devlink_port devlink_port;
554
555 /* OS reserved IRQ details */
556 struct msix_entry *msix_entries;
557 struct ice_irq_tracker irq_tracker;
558 /* First MSIX vector used by SR-IOV VFs. Calculated by subtracting the
559 * number of MSIX vectors needed for all SR-IOV VFs from the number of
560 * MSIX vectors allowed on this PF.
561 */
562 u16 sriov_base_vector;
563 unsigned long *sriov_irq_bm; /* bitmap to track irq usage */
564 u16 sriov_irq_size; /* size of the irq_bm bitmap */
565
566 u16 ctrl_vsi_idx; /* control VSI index in pf->vsi array */
567
568 struct ice_vsi **vsi; /* VSIs created by the driver */
569 struct ice_vsi_stats **vsi_stats;
570 struct ice_sw *first_sw; /* first switch created by firmware */
571 u16 eswitch_mode; /* current mode of eswitch */
572 struct dentry *ice_debugfs_pf;
573 struct dentry *ice_debugfs_pf_fwlog;
574 /* keep track of all the dentrys for FW log modules */
575 struct dentry **ice_debugfs_pf_fwlog_modules;
576 struct ice_vfs vfs;
577 DECLARE_BITMAP(features, ICE_F_MAX);
578 DECLARE_BITMAP(state, ICE_STATE_NBITS);
579 DECLARE_BITMAP(flags, ICE_PF_FLAGS_NBITS);
580 DECLARE_BITMAP(misc_thread, ICE_MISC_THREAD_NBITS);
581 unsigned long *avail_txqs; /* bitmap to track PF Tx queue usage */
582 unsigned long *avail_rxqs; /* bitmap to track PF Rx queue usage */
583 unsigned long serv_tmr_period;
584 unsigned long serv_tmr_prev;
585 struct timer_list serv_tmr;
586 struct work_struct serv_task;
587 struct mutex avail_q_mutex; /* protects access to avail_[rx|tx]qs */
588 struct mutex sw_mutex; /* lock for protecting VSI alloc flow */
589 struct mutex tc_mutex; /* lock to protect TC changes */
590 struct mutex adev_mutex; /* lock to protect aux device access */
591 struct mutex lag_mutex; /* protect ice_lag struct in PF */
592 u32 msg_enable;
593 struct ice_ptp ptp;
594 struct gnss_serial *gnss_serial;
595 struct gnss_device *gnss_dev;
596 u16 num_rdma_msix; /* Total MSIX vectors for RDMA driver */
597 u16 rdma_base_vector;
598
599 /* spinlock to protect the AdminQ wait list */
600 spinlock_t aq_wait_lock;
601 struct hlist_head aq_wait_list;
602 wait_queue_head_t aq_wait_queue;
603 bool fw_emp_reset_disabled;
604
605 wait_queue_head_t reset_wait_queue;
606
607 u32 hw_csum_rx_error;
608 u32 hw_rx_eipe_error;
609 u32 oicr_err_reg;
610 struct msi_map oicr_irq; /* Other interrupt cause MSIX vector */
611 struct msi_map ll_ts_irq; /* LL_TS interrupt MSIX vector */
612 u16 max_pf_txqs; /* Total Tx queues PF wide */
613 u16 max_pf_rxqs; /* Total Rx queues PF wide */
614 u16 num_lan_msix; /* Total MSIX vectors for base driver */
615 u16 num_lan_tx; /* num LAN Tx queues setup */
616 u16 num_lan_rx; /* num LAN Rx queues setup */
617 u16 next_vsi; /* Next free slot in pf->vsi[] - 0-based! */
618 u16 num_alloc_vsi;
619 u16 corer_count; /* Core reset count */
620 u16 globr_count; /* Global reset count */
621 u16 empr_count; /* EMP reset count */
622 u16 pfr_count; /* PF reset count */
623
624 u8 wol_ena : 1; /* software state of WoL */
625 u32 wakeup_reason; /* last wakeup reason */
626 struct ice_hw_port_stats stats;
627 struct ice_hw_port_stats stats_prev;
628 struct ice_hw hw;
629 u8 stat_prev_loaded:1; /* has previous stats been loaded */
630 u8 rdma_mode;
631 u16 dcbx_cap;
632 u32 tx_timeout_count;
633 unsigned long tx_timeout_last_recovery;
634 u32 tx_timeout_recovery_level;
635 char int_name[ICE_INT_NAME_STR_LEN];
636 char int_name_ll_ts[ICE_INT_NAME_STR_LEN];
637 struct auxiliary_device *adev;
638 int aux_idx;
639 u32 sw_int_count;
640 /* count of tc_flower filters specific to channel (aka where filter
641 * action is "hw_tc <tc_num>")
642 */
643 u16 num_dmac_chnl_fltrs;
644 struct hlist_head tc_flower_fltr_list;
645
646 u64 supported_rxdids;
647
648 __le64 nvm_phy_type_lo; /* NVM PHY type low */
649 __le64 nvm_phy_type_hi; /* NVM PHY type high */
650 struct ice_link_default_override_tlv link_dflt_override;
651 struct ice_lag *lag; /* Link Aggregation information */
652
653 struct ice_eswitch eswitch;
654 struct ice_esw_br_port *br_port;
655
656 struct xarray dyn_ports;
657 struct xarray sf_nums;
658
659 #define ICE_INVALID_AGG_NODE_ID 0
660 #define ICE_PF_AGG_NODE_ID_START 1
661 #define ICE_MAX_PF_AGG_NODES 32
662 struct ice_agg_node pf_agg_node[ICE_MAX_PF_AGG_NODES];
663 #define ICE_VF_AGG_NODE_ID_START 65
664 #define ICE_MAX_VF_AGG_NODES 32
665 struct ice_agg_node vf_agg_node[ICE_MAX_VF_AGG_NODES];
666 struct ice_dplls dplls;
667 struct device *hwmon_dev;
668
669 u8 num_quanta_prof_used;
670 };
671
672 extern struct workqueue_struct *ice_lag_wq;
673
674 struct ice_netdev_priv {
675 struct ice_vsi *vsi;
676 struct ice_repr *repr;
677 /* indirect block callbacks on registered higher level devices
678 * (e.g. tunnel devices)
679 *
680 * tc_indr_block_cb_priv_list is used to look up indirect callback
681 * private data
682 */
683 struct list_head tc_indr_block_priv_list;
684 };
685
686 /**
687 * ice_vector_ch_enabled
688 * @qv: pointer to q_vector, can be NULL
689 *
690 * This function returns true if vector is channel enabled otherwise false
691 */
ice_vector_ch_enabled(struct ice_q_vector * qv)692 static inline bool ice_vector_ch_enabled(struct ice_q_vector *qv)
693 {
694 return !!qv->ch; /* Enable it to run with TC */
695 }
696
697 /**
698 * ice_ptp_pf_handles_tx_interrupt - Check if PF handles Tx interrupt
699 * @pf: Board private structure
700 *
701 * Return true if this PF should respond to the Tx timestamp interrupt
702 * indication in the miscellaneous OICR interrupt handler.
703 */
ice_ptp_pf_handles_tx_interrupt(struct ice_pf * pf)704 static inline bool ice_ptp_pf_handles_tx_interrupt(struct ice_pf *pf)
705 {
706 return pf->ptp.tx_interrupt_mode != ICE_PTP_TX_INTERRUPT_NONE;
707 }
708
709 /**
710 * ice_irq_dynamic_ena - Enable default interrupt generation settings
711 * @hw: pointer to HW struct
712 * @vsi: pointer to VSI struct, can be NULL
713 * @q_vector: pointer to q_vector, can be NULL
714 */
715 static inline void
ice_irq_dynamic_ena(struct ice_hw * hw,struct ice_vsi * vsi,struct ice_q_vector * q_vector)716 ice_irq_dynamic_ena(struct ice_hw *hw, struct ice_vsi *vsi,
717 struct ice_q_vector *q_vector)
718 {
719 u32 vector = (vsi && q_vector) ? q_vector->reg_idx :
720 ((struct ice_pf *)hw->back)->oicr_irq.index;
721 int itr = ICE_ITR_NONE;
722 u32 val;
723
724 /* clear the PBA here, as this function is meant to clean out all
725 * previous interrupts and enable the interrupt
726 */
727 val = GLINT_DYN_CTL_INTENA_M | GLINT_DYN_CTL_CLEARPBA_M |
728 (itr << GLINT_DYN_CTL_ITR_INDX_S);
729 if (vsi)
730 if (test_bit(ICE_VSI_DOWN, vsi->state))
731 return;
732 wr32(hw, GLINT_DYN_CTL(vector), val);
733 }
734
735 /**
736 * ice_netdev_to_pf - Retrieve the PF struct associated with a netdev
737 * @netdev: pointer to the netdev struct
738 */
ice_netdev_to_pf(struct net_device * netdev)739 static inline struct ice_pf *ice_netdev_to_pf(struct net_device *netdev)
740 {
741 struct ice_netdev_priv *np = netdev_priv(netdev);
742
743 return np->vsi->back;
744 }
745
ice_is_xdp_ena_vsi(struct ice_vsi * vsi)746 static inline bool ice_is_xdp_ena_vsi(struct ice_vsi *vsi)
747 {
748 return !!READ_ONCE(vsi->xdp_prog);
749 }
750
ice_set_ring_xdp(struct ice_tx_ring * ring)751 static inline void ice_set_ring_xdp(struct ice_tx_ring *ring)
752 {
753 ring->flags |= ICE_TX_FLAGS_RING_XDP;
754 }
755
756 /**
757 * ice_get_xp_from_qid - get ZC XSK buffer pool bound to a queue ID
758 * @vsi: pointer to VSI
759 * @qid: index of a queue to look at XSK buff pool presence
760 *
761 * Return: A pointer to xsk_buff_pool structure if there is a buffer pool
762 * attached and configured as zero-copy, NULL otherwise.
763 */
ice_get_xp_from_qid(struct ice_vsi * vsi,u16 qid)764 static inline struct xsk_buff_pool *ice_get_xp_from_qid(struct ice_vsi *vsi,
765 u16 qid)
766 {
767 struct xsk_buff_pool *pool = xsk_get_pool_from_qid(vsi->netdev, qid);
768
769 if (!ice_is_xdp_ena_vsi(vsi))
770 return NULL;
771
772 return (pool && pool->dev) ? pool : NULL;
773 }
774
775 /**
776 * ice_rx_xsk_pool - assign XSK buff pool to Rx ring
777 * @ring: Rx ring to use
778 *
779 * Sets XSK buff pool pointer on Rx ring.
780 */
ice_rx_xsk_pool(struct ice_rx_ring * ring)781 static inline void ice_rx_xsk_pool(struct ice_rx_ring *ring)
782 {
783 struct ice_vsi *vsi = ring->vsi;
784 u16 qid = ring->q_index;
785
786 WRITE_ONCE(ring->xsk_pool, ice_get_xp_from_qid(vsi, qid));
787 }
788
789 /**
790 * ice_tx_xsk_pool - assign XSK buff pool to XDP ring
791 * @vsi: pointer to VSI
792 * @qid: index of a queue to look at XSK buff pool presence
793 *
794 * Sets XSK buff pool pointer on XDP ring.
795 *
796 * XDP ring is picked from Rx ring, whereas Rx ring is picked based on provided
797 * queue id. Reason for doing so is that queue vectors might have assigned more
798 * than one XDP ring, e.g. when user reduced the queue count on netdev; Rx ring
799 * carries a pointer to one of these XDP rings for its own purposes, such as
800 * handling XDP_TX action, therefore we can piggyback here on the
801 * rx_ring->xdp_ring assignment that was done during XDP rings initialization.
802 */
ice_tx_xsk_pool(struct ice_vsi * vsi,u16 qid)803 static inline void ice_tx_xsk_pool(struct ice_vsi *vsi, u16 qid)
804 {
805 struct ice_tx_ring *ring;
806
807 ring = vsi->rx_rings[qid]->xdp_ring;
808 if (!ring)
809 return;
810
811 WRITE_ONCE(ring->xsk_pool, ice_get_xp_from_qid(vsi, qid));
812 }
813
814 /**
815 * ice_get_main_vsi - Get the PF VSI
816 * @pf: PF instance
817 *
818 * returns pf->vsi[0], which by definition is the PF VSI
819 */
ice_get_main_vsi(struct ice_pf * pf)820 static inline struct ice_vsi *ice_get_main_vsi(struct ice_pf *pf)
821 {
822 if (pf->vsi)
823 return pf->vsi[0];
824
825 return NULL;
826 }
827
828 /**
829 * ice_get_netdev_priv_vsi - return VSI associated with netdev priv.
830 * @np: private netdev structure
831 */
ice_get_netdev_priv_vsi(struct ice_netdev_priv * np)832 static inline struct ice_vsi *ice_get_netdev_priv_vsi(struct ice_netdev_priv *np)
833 {
834 /* In case of port representor return source port VSI. */
835 if (np->repr)
836 return np->repr->src_vsi;
837 else
838 return np->vsi;
839 }
840
841 /**
842 * ice_get_ctrl_vsi - Get the control VSI
843 * @pf: PF instance
844 */
ice_get_ctrl_vsi(struct ice_pf * pf)845 static inline struct ice_vsi *ice_get_ctrl_vsi(struct ice_pf *pf)
846 {
847 /* if pf->ctrl_vsi_idx is ICE_NO_VSI, control VSI was not set up */
848 if (!pf->vsi || pf->ctrl_vsi_idx == ICE_NO_VSI)
849 return NULL;
850
851 return pf->vsi[pf->ctrl_vsi_idx];
852 }
853
854 /**
855 * ice_find_vsi - Find the VSI from VSI ID
856 * @pf: The PF pointer to search in
857 * @vsi_num: The VSI ID to search for
858 */
ice_find_vsi(struct ice_pf * pf,u16 vsi_num)859 static inline struct ice_vsi *ice_find_vsi(struct ice_pf *pf, u16 vsi_num)
860 {
861 int i;
862
863 ice_for_each_vsi(pf, i)
864 if (pf->vsi[i] && pf->vsi[i]->vsi_num == vsi_num)
865 return pf->vsi[i];
866 return NULL;
867 }
868
869 /**
870 * ice_is_switchdev_running - check if switchdev is configured
871 * @pf: pointer to PF structure
872 *
873 * Returns true if eswitch mode is set to DEVLINK_ESWITCH_MODE_SWITCHDEV
874 * and switchdev is configured, false otherwise.
875 */
ice_is_switchdev_running(struct ice_pf * pf)876 static inline bool ice_is_switchdev_running(struct ice_pf *pf)
877 {
878 return pf->eswitch.is_running;
879 }
880
881 #define ICE_FD_STAT_CTR_BLOCK_COUNT 256
882 #define ICE_FD_STAT_PF_IDX(base_idx) \
883 ((base_idx) * ICE_FD_STAT_CTR_BLOCK_COUNT)
884 #define ICE_FD_SB_STAT_IDX(base_idx) ICE_FD_STAT_PF_IDX(base_idx)
885 #define ICE_FD_STAT_CH 1
886 #define ICE_FD_CH_STAT_IDX(base_idx) \
887 (ICE_FD_STAT_PF_IDX(base_idx) + ICE_FD_STAT_CH)
888
889 /**
890 * ice_is_adq_active - any active ADQs
891 * @pf: pointer to PF
892 *
893 * This function returns true if there are any ADQs configured (which is
894 * determined by looking at VSI type (which should be VSI_PF), numtc, and
895 * TC_MQPRIO flag) otherwise return false
896 */
ice_is_adq_active(struct ice_pf * pf)897 static inline bool ice_is_adq_active(struct ice_pf *pf)
898 {
899 struct ice_vsi *vsi;
900
901 vsi = ice_get_main_vsi(pf);
902 if (!vsi)
903 return false;
904
905 /* is ADQ configured */
906 if (vsi->tc_cfg.numtc > ICE_CHNL_START_TC &&
907 test_bit(ICE_FLAG_TC_MQPRIO, pf->flags))
908 return true;
909
910 return false;
911 }
912
913 void ice_debugfs_fwlog_init(struct ice_pf *pf);
914 void ice_debugfs_pf_deinit(struct ice_pf *pf);
915 void ice_debugfs_init(void);
916 void ice_debugfs_exit(void);
917 void ice_pf_fwlog_update_module(struct ice_pf *pf, int log_level, int module);
918
919 bool netif_is_ice(const struct net_device *dev);
920 int ice_vsi_setup_tx_rings(struct ice_vsi *vsi);
921 int ice_vsi_setup_rx_rings(struct ice_vsi *vsi);
922 int ice_vsi_open_ctrl(struct ice_vsi *vsi);
923 int ice_vsi_open(struct ice_vsi *vsi);
924 void ice_set_ethtool_ops(struct net_device *netdev);
925 void ice_set_ethtool_repr_ops(struct net_device *netdev);
926 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev);
927 void ice_set_ethtool_sf_ops(struct net_device *netdev);
928 u16 ice_get_avail_txq_count(struct ice_pf *pf);
929 u16 ice_get_avail_rxq_count(struct ice_pf *pf);
930 int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx, bool locked);
931 void ice_update_vsi_stats(struct ice_vsi *vsi);
932 void ice_update_pf_stats(struct ice_pf *pf);
933 void
934 ice_fetch_u64_stats_per_ring(struct u64_stats_sync *syncp,
935 struct ice_q_stats stats, u64 *pkts, u64 *bytes);
936 int ice_up(struct ice_vsi *vsi);
937 int ice_down(struct ice_vsi *vsi);
938 int ice_down_up(struct ice_vsi *vsi);
939 int ice_vsi_cfg_lan(struct ice_vsi *vsi);
940 struct ice_vsi *ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi);
941
942 enum ice_xdp_cfg {
943 ICE_XDP_CFG_FULL, /* Fully apply new config in .ndo_bpf() */
944 ICE_XDP_CFG_PART, /* Save/use part of config in VSI rebuild */
945 };
946
947 int ice_vsi_determine_xdp_res(struct ice_vsi *vsi);
948 int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog,
949 enum ice_xdp_cfg cfg_type);
950 int ice_destroy_xdp_rings(struct ice_vsi *vsi, enum ice_xdp_cfg cfg_type);
951 void ice_map_xdp_rings(struct ice_vsi *vsi);
952 int
953 ice_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames,
954 u32 flags);
955 int ice_set_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size);
956 int ice_get_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size);
957 int ice_set_rss_key(struct ice_vsi *vsi, u8 *seed);
958 int ice_get_rss_key(struct ice_vsi *vsi, u8 *seed);
959 int ice_set_rss_hfunc(struct ice_vsi *vsi, u8 hfunc);
960 void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size);
961 int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset);
962 void ice_print_link_msg(struct ice_vsi *vsi, bool isup);
963 int ice_plug_aux_dev(struct ice_pf *pf);
964 void ice_unplug_aux_dev(struct ice_pf *pf);
965 int ice_init_rdma(struct ice_pf *pf);
966 void ice_deinit_rdma(struct ice_pf *pf);
967 const char *ice_aq_str(enum ice_aq_err aq_err);
968 bool ice_is_wol_supported(struct ice_hw *hw);
969 void ice_fdir_del_all_fltrs(struct ice_vsi *vsi);
970 int
971 ice_fdir_write_fltr(struct ice_pf *pf, struct ice_fdir_fltr *input, bool add,
972 bool is_tun);
973 void ice_vsi_manage_fdir(struct ice_vsi *vsi, bool ena);
974 int ice_add_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd);
975 int ice_del_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd);
976 int ice_get_ethtool_fdir_entry(struct ice_hw *hw, struct ethtool_rxnfc *cmd);
977 int
978 ice_get_fdir_fltr_ids(struct ice_hw *hw, struct ethtool_rxnfc *cmd,
979 u32 *rule_locs);
980 void ice_fdir_rem_adq_chnl(struct ice_hw *hw, u16 vsi_idx);
981 void ice_fdir_release_flows(struct ice_hw *hw);
982 void ice_fdir_replay_flows(struct ice_hw *hw);
983 void ice_fdir_replay_fltrs(struct ice_pf *pf);
984 int ice_fdir_create_dflt_rules(struct ice_pf *pf);
985
986 enum ice_aq_task_state {
987 ICE_AQ_TASK_NOT_PREPARED,
988 ICE_AQ_TASK_WAITING,
989 ICE_AQ_TASK_COMPLETE,
990 ICE_AQ_TASK_CANCELED,
991 };
992
993 struct ice_aq_task {
994 struct hlist_node entry;
995 struct ice_rq_event_info event;
996 enum ice_aq_task_state state;
997 u16 opcode;
998 };
999
1000 void ice_aq_prep_for_event(struct ice_pf *pf, struct ice_aq_task *task,
1001 u16 opcode);
1002 int ice_aq_wait_for_event(struct ice_pf *pf, struct ice_aq_task *task,
1003 unsigned long timeout);
1004 int ice_open(struct net_device *netdev);
1005 int ice_open_internal(struct net_device *netdev);
1006 int ice_stop(struct net_device *netdev);
1007 void ice_service_task_schedule(struct ice_pf *pf);
1008 int ice_load(struct ice_pf *pf);
1009 void ice_unload(struct ice_pf *pf);
1010 void ice_adv_lnk_speed_maps_init(void);
1011 int ice_init_dev(struct ice_pf *pf);
1012 void ice_deinit_dev(struct ice_pf *pf);
1013 int ice_change_mtu(struct net_device *netdev, int new_mtu);
1014 void ice_tx_timeout(struct net_device *netdev, unsigned int txqueue);
1015 int ice_xdp(struct net_device *dev, struct netdev_bpf *xdp);
1016 void ice_set_netdev_features(struct net_device *netdev);
1017 int ice_vlan_rx_add_vid(struct net_device *netdev, __be16 proto, u16 vid);
1018 int ice_vlan_rx_kill_vid(struct net_device *netdev, __be16 proto, u16 vid);
1019 void ice_get_stats64(struct net_device *netdev,
1020 struct rtnl_link_stats64 *stats);
1021
1022 /**
1023 * ice_set_rdma_cap - enable RDMA support
1024 * @pf: PF struct
1025 */
ice_set_rdma_cap(struct ice_pf * pf)1026 static inline void ice_set_rdma_cap(struct ice_pf *pf)
1027 {
1028 if (pf->hw.func_caps.common_cap.rdma && pf->num_rdma_msix) {
1029 set_bit(ICE_FLAG_RDMA_ENA, pf->flags);
1030 set_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags);
1031 }
1032 }
1033
1034 /**
1035 * ice_clear_rdma_cap - disable RDMA support
1036 * @pf: PF struct
1037 */
ice_clear_rdma_cap(struct ice_pf * pf)1038 static inline void ice_clear_rdma_cap(struct ice_pf *pf)
1039 {
1040 /* defer unplug to service task to avoid RTNL lock and
1041 * clear PLUG bit so that pending plugs don't interfere
1042 */
1043 clear_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags);
1044 set_bit(ICE_FLAG_UNPLUG_AUX_DEV, pf->flags);
1045 clear_bit(ICE_FLAG_RDMA_ENA, pf->flags);
1046 }
1047
ice_get_phy_model(const struct ice_hw * hw)1048 static inline enum ice_phy_model ice_get_phy_model(const struct ice_hw *hw)
1049 {
1050 return hw->ptp.phy_model;
1051 }
1052
1053 extern const struct xdp_metadata_ops ice_xdp_md_ops;
1054 #endif /* _ICE_H_ */
1055