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#include "devlink/health.h"
82
83#define ICE_BAR0 0
84#define ICE_REQ_DESC_MULTIPLE 32
85#define ICE_MIN_NUM_DESC 64
86#define ICE_MAX_NUM_DESC 8160
87#define ICE_DFLT_MIN_RX_DESC 512
88#define ICE_DFLT_NUM_TX_DESC 256
89#define ICE_DFLT_NUM_RX_DESC 2048
90
91#define ICE_DFLT_TRAFFIC_CLASS BIT(0)
92#define ICE_INT_NAME_STR_LEN (IFNAMSIZ + 16)
93#define ICE_AQ_LEN 192
94#define ICE_MBXSQ_LEN 64
95#define ICE_SBQ_LEN 64
96#define ICE_MIN_LAN_TXRX_MSIX 1
97#define ICE_MIN_LAN_OICR_MSIX 1
98#define ICE_MIN_MSIX (ICE_MIN_LAN_TXRX_MSIX + ICE_MIN_LAN_OICR_MSIX)
99#define ICE_FDIR_MSIX 2
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_RX
183
184#define ICE_UCAST_VLAN_PROMISC_BITS (ICE_PROMISC_UCAST_RX | \
185 ICE_PROMISC_VLAN_RX)
186
187#define ICE_MCAST_PROMISC_BITS (ICE_PROMISC_MCAST_TX | ICE_PROMISC_MCAST_RX)
188
189#define ICE_MCAST_VLAN_PROMISC_BITS (ICE_PROMISC_MCAST_TX | \
190 ICE_PROMISC_MCAST_RX | \
191 ICE_PROMISC_VLAN_TX | \
192 ICE_PROMISC_VLAN_RX)
193
194#define ice_pf_to_dev(pf) (&((pf)->pdev->dev))
195
196enum ice_feature {
197 ICE_F_DSCP,
198 ICE_F_PHY_RCLK,
199 ICE_F_SMA_CTRL,
200 ICE_F_CGU,
201 ICE_F_GNSS,
202 ICE_F_GCS,
203 ICE_F_ROCE_LAG,
204 ICE_F_SRIOV_LAG,
205 ICE_F_MBX_LIMIT,
206 ICE_F_MAX
207};
208
209DECLARE_STATIC_KEY_FALSE(ice_xdp_locking_key);
210
211struct 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
227struct 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
235struct ice_tc_info {
236 u16 qoffset;
237 u16 qcount_tx;
238 u16 qcount_rx;
239 u8 netdev_tc;
240};
241
242struct 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
248struct 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
259struct 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
265enum 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
309enum 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
321struct 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 */
327struct 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_rx_ring **rx_rings; /* Rx ring array */
332 struct ice_tx_ring **tx_rings; /* Tx ring array */
333 struct ice_q_vector **q_vectors; /* q_vector array */
334
335 irqreturn_t (*irq_handler)(int irq, void *data);
336
337 u64 tx_linearize;
338 DECLARE_BITMAP(state, ICE_VSI_STATE_NBITS);
339 unsigned int current_netdev_flags;
340 u32 tx_restart;
341 u32 tx_busy;
342 u32 rx_buf_failed;
343 u32 rx_page_failed;
344 u16 num_q_vectors;
345 /* tell if only dynamic irq allocation is allowed */
346 bool irq_dyn_alloc;
347
348 u16 vsi_num; /* HW (absolute) index of this VSI */
349 u16 idx; /* software index in pf->vsi[] */
350
351 u16 num_gfltr;
352 u16 num_bfltr;
353
354 /* RSS config */
355 u16 rss_table_size; /* HW RSS table size */
356 u16 rss_size; /* Allocated RSS queues */
357 u8 rss_hfunc; /* User configured hash type */
358 u8 *rss_hkey_user; /* User configured hash keys */
359 u8 *rss_lut_user; /* User configured lookup table entries */
360 u8 rss_lut_type; /* used to configure Get/Set RSS LUT AQ call */
361
362 /* aRFS members only allocated for the PF VSI */
363#define ICE_MAX_ARFS_LIST 1024
364#define ICE_ARFS_LST_MASK (ICE_MAX_ARFS_LIST - 1)
365 struct hlist_head *arfs_fltr_list;
366 struct ice_arfs_active_fltr_cntrs *arfs_fltr_cntrs;
367 spinlock_t arfs_lock; /* protects aRFS hash table and filter state */
368 atomic_t *arfs_last_fltr_id;
369
370 struct ice_aqc_vsi_props info; /* VSI properties */
371 struct ice_vsi_vlan_info vlan_info; /* vlan config to be restored */
372
373 /* VSI stats */
374 struct rtnl_link_stats64 net_stats;
375 struct rtnl_link_stats64 net_stats_prev;
376 struct ice_eth_stats eth_stats;
377 struct ice_eth_stats eth_stats_prev;
378
379 struct list_head tmp_sync_list; /* MAC filters to be synced */
380 struct list_head tmp_unsync_list; /* MAC filters to be unsynced */
381
382 u8 irqs_ready:1;
383 u8 current_isup:1; /* Sync 'link up' logging */
384 u8 stat_offsets_loaded:1;
385 struct ice_vsi_vlan_ops inner_vlan_ops;
386 struct ice_vsi_vlan_ops outer_vlan_ops;
387 u16 num_vlan;
388
389 /* queue information */
390 u8 tx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */
391 u8 rx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */
392 u16 *txq_map; /* index in pf->avail_txqs */
393 u16 *rxq_map; /* index in pf->avail_rxqs */
394 u16 alloc_txq; /* Allocated Tx queues */
395 u16 num_txq; /* Used Tx queues */
396 u16 alloc_rxq; /* Allocated Rx queues */
397 u16 num_rxq; /* Used Rx queues */
398 u16 req_txq; /* User requested Tx queues */
399 u16 req_rxq; /* User requested Rx queues */
400 u16 num_rx_desc;
401 u16 num_tx_desc;
402 struct ice_tc_cfg tc_cfg;
403 struct bpf_prog *xdp_prog;
404 struct ice_tx_ring **xdp_rings; /* XDP ring array */
405 u16 num_xdp_txq; /* Used XDP queues */
406 u8 xdp_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */
407 struct mutex xdp_state_lock;
408
409 struct net_device **target_netdevs;
410
411 struct tc_mqprio_qopt_offload mqprio_qopt; /* queue parameters */
412
413 /* Channel Specific Fields */
414 struct ice_vsi *tc_map_vsi[ICE_CHNL_MAX_TC];
415 u16 cnt_q_avail;
416 u16 next_base_q; /* next queue to be used for channel setup */
417 struct list_head ch_list;
418 u16 num_chnl_rxq;
419 u16 num_chnl_txq;
420 u16 ch_rss_size;
421 u16 num_chnl_fltr;
422 /* store away rss size info before configuring ADQ channels so that,
423 * it can be used after tc-qdisc delete, to get back RSS setting as
424 * they were before
425 */
426 u16 orig_rss_size;
427 /* this keeps tracks of all enabled TC with and without DCB
428 * and inclusive of ADQ, vsi->mqprio_opt keeps track of queue
429 * information
430 */
431 u8 all_numtc;
432 u16 all_enatc;
433
434 /* store away TC info, to be used for rebuild logic */
435 u8 old_numtc;
436 u16 old_ena_tc;
437
438 /* setup back reference, to which aggregator node this VSI
439 * corresponds to
440 */
441 struct ice_agg_node *agg_node;
442
443 struct_group_tagged(ice_vsi_cfg_params, params,
444 struct ice_port_info *port_info; /* back pointer to port_info */
445 struct ice_channel *ch; /* VSI's channel structure, may be NULL */
446 union {
447 /* VF associated with this VSI, may be NULL */
448 struct ice_vf *vf;
449 /* SF associated with this VSI, may be NULL */
450 struct ice_dynamic_port *sf;
451 };
452 u32 flags; /* VSI flags used for rebuild and configuration */
453 enum ice_vsi_type type; /* the type of the VSI */
454 );
455} ____cacheline_internodealigned_in_smp;
456
457/* struct that defines an interrupt vector */
458struct ice_q_vector {
459 struct ice_vsi *vsi;
460
461 u16 v_idx; /* index in the vsi->q_vector array. */
462 u16 reg_idx; /* PF relative register index */
463 u8 num_ring_rx; /* total number of Rx rings in vector */
464 u8 num_ring_tx; /* total number of Tx rings in vector */
465 u8 wb_on_itr:1; /* if true, WB on ITR is enabled */
466 /* in usecs, need to use ice_intrl_to_usecs_reg() before writing this
467 * value to the device
468 */
469 u8 intrl;
470
471 struct napi_struct napi;
472
473 struct ice_ring_container rx;
474 struct ice_ring_container tx;
475
476 struct ice_channel *ch;
477
478 char name[ICE_INT_NAME_STR_LEN];
479
480 u16 total_events; /* net_dim(): number of interrupts processed */
481 u16 vf_reg_idx; /* VF relative register index */
482 struct msi_map irq;
483} ____cacheline_internodealigned_in_smp;
484
485enum 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_ADV_FEATURES,
496 ICE_FLAG_TC_MQPRIO, /* support for Multi queue TC */
497 ICE_FLAG_CLS_FLOWER,
498 ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA,
499 ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA,
500 ICE_FLAG_NO_MEDIA,
501 ICE_FLAG_FW_LLDP_AGENT,
502 ICE_FLAG_MOD_POWER_UNSUPPORTED,
503 ICE_FLAG_PHY_FW_LOAD_FAILED,
504 ICE_FLAG_ETHTOOL_CTXT, /* set when ethtool holds RTNL lock */
505 ICE_FLAG_LEGACY_RX,
506 ICE_FLAG_VF_TRUE_PROMISC_ENA,
507 ICE_FLAG_MDD_AUTO_RESET_VF,
508 ICE_FLAG_VF_VLAN_PRUNING,
509 ICE_FLAG_LINK_LENIENT_MODE_ENA,
510 ICE_FLAG_PLUG_AUX_DEV,
511 ICE_FLAG_UNPLUG_AUX_DEV,
512 ICE_FLAG_MTU_CHANGED,
513 ICE_FLAG_GNSS, /* GNSS successfully initialized */
514 ICE_FLAG_DPLL, /* SyncE/PTP dplls initialized */
515 ICE_FLAG_LLDP_AQ_FLTR,
516 ICE_PF_FLAGS_NBITS /* must be last */
517};
518
519enum ice_misc_thread_tasks {
520 ICE_MISC_THREAD_TX_TSTAMP,
521 ICE_MISC_THREAD_NBITS /* must be last */
522};
523
524struct ice_eswitch {
525 struct ice_vsi *uplink_vsi;
526 struct ice_esw_br_offloads *br_offloads;
527 struct xarray reprs;
528 bool is_running;
529};
530
531struct ice_agg_node {
532 u32 agg_id;
533#define ICE_MAX_VSIS_IN_AGG_NODE 64
534 u32 num_vsis;
535 u8 valid;
536};
537
538struct ice_pf_msix {
539 u32 cur;
540 u32 min;
541 u32 max;
542 u32 total;
543 u32 rest;
544};
545
546struct ice_pf {
547 struct pci_dev *pdev;
548 struct ice_adapter *adapter;
549
550 struct devlink_region *nvm_region;
551 struct devlink_region *sram_region;
552 struct devlink_region *devcaps_region;
553
554 /* devlink port data */
555 struct devlink_port devlink_port;
556
557 /* OS reserved IRQ details */
558 struct ice_irq_tracker irq_tracker;
559 struct ice_virt_irq_tracker virt_irq_tracker;
560
561 u16 ctrl_vsi_idx; /* control VSI index in pf->vsi array */
562
563 struct ice_vsi **vsi; /* VSIs created by the driver */
564 struct ice_vsi_stats **vsi_stats;
565 struct ice_sw *first_sw; /* first switch created by firmware */
566 u16 eswitch_mode; /* current mode of eswitch */
567 struct dentry *ice_debugfs_pf;
568 struct dentry *ice_debugfs_pf_fwlog;
569 /* keep track of all the dentrys for FW log modules */
570 struct dentry **ice_debugfs_pf_fwlog_modules;
571 struct ice_vfs vfs;
572 DECLARE_BITMAP(features, ICE_F_MAX);
573 DECLARE_BITMAP(state, ICE_STATE_NBITS);
574 DECLARE_BITMAP(flags, ICE_PF_FLAGS_NBITS);
575 DECLARE_BITMAP(misc_thread, ICE_MISC_THREAD_NBITS);
576 unsigned long *avail_txqs; /* bitmap to track PF Tx queue usage */
577 unsigned long *avail_rxqs; /* bitmap to track PF Rx queue usage */
578 unsigned long serv_tmr_period;
579 unsigned long serv_tmr_prev;
580 struct timer_list serv_tmr;
581 struct work_struct serv_task;
582 struct mutex avail_q_mutex; /* protects access to avail_[rx|tx]qs */
583 struct mutex sw_mutex; /* lock for protecting VSI alloc flow */
584 struct mutex tc_mutex; /* lock to protect TC changes */
585 struct mutex adev_mutex; /* lock to protect aux device access */
586 struct mutex lag_mutex; /* protect ice_lag struct in PF */
587 u32 msg_enable;
588 struct ice_ptp ptp;
589 struct gnss_serial *gnss_serial;
590 struct gnss_device *gnss_dev;
591 u16 num_rdma_msix; /* Total MSIX vectors for RDMA driver */
592
593 /* spinlock to protect the AdminQ wait list */
594 spinlock_t aq_wait_lock;
595 struct hlist_head aq_wait_list;
596 wait_queue_head_t aq_wait_queue;
597 bool fw_emp_reset_disabled;
598
599 wait_queue_head_t reset_wait_queue;
600
601 u32 hw_csum_rx_error;
602 u32 hw_rx_eipe_error;
603 u32 oicr_err_reg;
604 struct msi_map oicr_irq; /* Other interrupt cause MSIX vector */
605 struct msi_map ll_ts_irq; /* LL_TS interrupt MSIX vector */
606 u16 max_pf_txqs; /* Total Tx queues PF wide */
607 u16 max_pf_rxqs; /* Total Rx queues PF wide */
608 struct ice_pf_msix msix;
609 u16 num_lan_tx; /* num LAN Tx queues setup */
610 u16 num_lan_rx; /* num LAN Rx queues setup */
611 u16 next_vsi; /* Next free slot in pf->vsi[] - 0-based! */
612 u16 num_alloc_vsi;
613 u16 corer_count; /* Core reset count */
614 u16 globr_count; /* Global reset count */
615 u16 empr_count; /* EMP reset count */
616 u16 pfr_count; /* PF reset count */
617
618 u8 wol_ena : 1; /* software state of WoL */
619 u32 wakeup_reason; /* last wakeup reason */
620 struct ice_hw_port_stats stats;
621 struct ice_hw_port_stats stats_prev;
622 struct ice_hw hw;
623 u8 stat_prev_loaded:1; /* has previous stats been loaded */
624 u16 dcbx_cap;
625 u32 tx_timeout_count;
626 unsigned long tx_timeout_last_recovery;
627 u32 tx_timeout_recovery_level;
628 char int_name[ICE_INT_NAME_STR_LEN];
629 char int_name_ll_ts[ICE_INT_NAME_STR_LEN];
630 int aux_idx;
631 u32 sw_int_count;
632 /* count of tc_flower filters specific to channel (aka where filter
633 * action is "hw_tc <tc_num>")
634 */
635 u16 num_dmac_chnl_fltrs;
636 struct hlist_head tc_flower_fltr_list;
637
638 u64 supported_rxdids;
639
640 __le64 nvm_phy_type_lo; /* NVM PHY type low */
641 __le64 nvm_phy_type_hi; /* NVM PHY type high */
642 struct ice_link_default_override_tlv link_dflt_override;
643 struct ice_lag *lag; /* Link Aggregation information */
644
645 struct ice_eswitch eswitch;
646 struct ice_esw_br_port *br_port;
647
648 struct xarray dyn_ports;
649 struct xarray sf_nums;
650
651#define ICE_INVALID_AGG_NODE_ID 0
652#define ICE_PF_AGG_NODE_ID_START 1
653#define ICE_MAX_PF_AGG_NODES 32
654 struct ice_agg_node pf_agg_node[ICE_MAX_PF_AGG_NODES];
655#define ICE_VF_AGG_NODE_ID_START 65
656#define ICE_MAX_VF_AGG_NODES 32
657 struct ice_agg_node vf_agg_node[ICE_MAX_VF_AGG_NODES];
658 struct ice_dplls dplls;
659 struct device *hwmon_dev;
660 struct ice_health health_reporters;
661 struct iidc_rdma_core_dev_info *cdev_info;
662
663 u8 num_quanta_prof_used;
664};
665
666extern struct workqueue_struct *ice_lag_wq;
667
668struct ice_netdev_priv {
669 struct ice_vsi *vsi;
670 struct ice_repr *repr;
671 /* indirect block callbacks on registered higher level devices
672 * (e.g. tunnel devices)
673 *
674 * tc_indr_block_cb_priv_list is used to look up indirect callback
675 * private data
676 */
677 struct list_head tc_indr_block_priv_list;
678};
679
680/**
681 * ice_vector_ch_enabled
682 * @qv: pointer to q_vector, can be NULL
683 *
684 * This function returns true if vector is channel enabled otherwise false
685 */
686static inline bool ice_vector_ch_enabled(struct ice_q_vector *qv)
687{
688 return !!qv->ch; /* Enable it to run with TC */
689}
690
691/**
692 * ice_ptp_pf_handles_tx_interrupt - Check if PF handles Tx interrupt
693 * @pf: Board private structure
694 *
695 * Return true if this PF should respond to the Tx timestamp interrupt
696 * indication in the miscellaneous OICR interrupt handler.
697 */
698static inline bool ice_ptp_pf_handles_tx_interrupt(struct ice_pf *pf)
699{
700 return pf->ptp.tx_interrupt_mode != ICE_PTP_TX_INTERRUPT_NONE;
701}
702
703/**
704 * ice_irq_dynamic_ena - Enable default interrupt generation settings
705 * @hw: pointer to HW struct
706 * @vsi: pointer to VSI struct, can be NULL
707 * @q_vector: pointer to q_vector, can be NULL
708 */
709static inline void
710ice_irq_dynamic_ena(struct ice_hw *hw, struct ice_vsi *vsi,
711 struct ice_q_vector *q_vector)
712{
713 u32 vector = (vsi && q_vector) ? q_vector->reg_idx :
714 ((struct ice_pf *)hw->back)->oicr_irq.index;
715 int itr = ICE_ITR_NONE;
716 u32 val;
717
718 /* clear the PBA here, as this function is meant to clean out all
719 * previous interrupts and enable the interrupt
720 */
721 val = GLINT_DYN_CTL_INTENA_M | GLINT_DYN_CTL_CLEARPBA_M |
722 (itr << GLINT_DYN_CTL_ITR_INDX_S);
723 if (vsi)
724 if (test_bit(ICE_VSI_DOWN, vsi->state))
725 return;
726 wr32(hw, GLINT_DYN_CTL(vector), val);
727}
728
729/**
730 * ice_netdev_to_pf - Retrieve the PF struct associated with a netdev
731 * @netdev: pointer to the netdev struct
732 */
733static inline struct ice_pf *ice_netdev_to_pf(struct net_device *netdev)
734{
735 struct ice_netdev_priv *np = netdev_priv(dev: netdev);
736
737 return np->vsi->back;
738}
739
740static inline bool ice_is_xdp_ena_vsi(struct ice_vsi *vsi)
741{
742 return !!READ_ONCE(vsi->xdp_prog);
743}
744
745static inline void ice_set_ring_xdp(struct ice_tx_ring *ring)
746{
747 ring->flags |= ICE_TX_FLAGS_RING_XDP;
748}
749
750/**
751 * ice_get_xp_from_qid - get ZC XSK buffer pool bound to a queue ID
752 * @vsi: pointer to VSI
753 * @qid: index of a queue to look at XSK buff pool presence
754 *
755 * Return: A pointer to xsk_buff_pool structure if there is a buffer pool
756 * attached and configured as zero-copy, NULL otherwise.
757 */
758static inline struct xsk_buff_pool *ice_get_xp_from_qid(struct ice_vsi *vsi,
759 u16 qid)
760{
761 struct xsk_buff_pool *pool = xsk_get_pool_from_qid(dev: vsi->netdev, queue_id: qid);
762
763 if (!ice_is_xdp_ena_vsi(vsi))
764 return NULL;
765
766 return (pool && pool->dev) ? pool : NULL;
767}
768
769/**
770 * ice_rx_xsk_pool - assign XSK buff pool to Rx ring
771 * @ring: Rx ring to use
772 *
773 * Sets XSK buff pool pointer on Rx ring.
774 */
775static inline void ice_rx_xsk_pool(struct ice_rx_ring *ring)
776{
777 struct ice_vsi *vsi = ring->vsi;
778 u16 qid = ring->q_index;
779
780 WRITE_ONCE(ring->xsk_pool, ice_get_xp_from_qid(vsi, qid));
781}
782
783/**
784 * ice_tx_xsk_pool - assign XSK buff pool to XDP ring
785 * @vsi: pointer to VSI
786 * @qid: index of a queue to look at XSK buff pool presence
787 *
788 * Sets XSK buff pool pointer on XDP ring.
789 *
790 * XDP ring is picked from Rx ring, whereas Rx ring is picked based on provided
791 * queue id. Reason for doing so is that queue vectors might have assigned more
792 * than one XDP ring, e.g. when user reduced the queue count on netdev; Rx ring
793 * carries a pointer to one of these XDP rings for its own purposes, such as
794 * handling XDP_TX action, therefore we can piggyback here on the
795 * rx_ring->xdp_ring assignment that was done during XDP rings initialization.
796 */
797static inline void ice_tx_xsk_pool(struct ice_vsi *vsi, u16 qid)
798{
799 struct ice_tx_ring *ring;
800
801 ring = vsi->rx_rings[qid]->xdp_ring;
802 if (!ring)
803 return;
804
805 WRITE_ONCE(ring->xsk_pool, ice_get_xp_from_qid(vsi, qid));
806}
807
808/**
809 * ice_get_main_vsi - Get the PF VSI
810 * @pf: PF instance
811 *
812 * returns pf->vsi[0], which by definition is the PF VSI
813 */
814static inline struct ice_vsi *ice_get_main_vsi(struct ice_pf *pf)
815{
816 if (pf->vsi)
817 return pf->vsi[0];
818
819 return NULL;
820}
821
822/**
823 * ice_get_netdev_priv_vsi - return VSI associated with netdev priv.
824 * @np: private netdev structure
825 */
826static inline struct ice_vsi *ice_get_netdev_priv_vsi(struct ice_netdev_priv *np)
827{
828 /* In case of port representor return source port VSI. */
829 if (np->repr)
830 return np->repr->src_vsi;
831 else
832 return np->vsi;
833}
834
835/**
836 * ice_get_ctrl_vsi - Get the control VSI
837 * @pf: PF instance
838 */
839static inline struct ice_vsi *ice_get_ctrl_vsi(struct ice_pf *pf)
840{
841 /* if pf->ctrl_vsi_idx is ICE_NO_VSI, control VSI was not set up */
842 if (!pf->vsi || pf->ctrl_vsi_idx == ICE_NO_VSI)
843 return NULL;
844
845 return pf->vsi[pf->ctrl_vsi_idx];
846}
847
848/**
849 * ice_find_vsi - Find the VSI from VSI ID
850 * @pf: The PF pointer to search in
851 * @vsi_num: The VSI ID to search for
852 */
853static inline struct ice_vsi *ice_find_vsi(struct ice_pf *pf, u16 vsi_num)
854{
855 int i;
856
857 ice_for_each_vsi(pf, i)
858 if (pf->vsi[i] && pf->vsi[i]->vsi_num == vsi_num)
859 return pf->vsi[i];
860 return NULL;
861}
862
863/**
864 * ice_is_switchdev_running - check if switchdev is configured
865 * @pf: pointer to PF structure
866 *
867 * Returns true if eswitch mode is set to DEVLINK_ESWITCH_MODE_SWITCHDEV
868 * and switchdev is configured, false otherwise.
869 */
870static inline bool ice_is_switchdev_running(struct ice_pf *pf)
871{
872 return pf->eswitch.is_running;
873}
874
875#define ICE_FD_STAT_CTR_BLOCK_COUNT 256
876#define ICE_FD_STAT_PF_IDX(base_idx) \
877 ((base_idx) * ICE_FD_STAT_CTR_BLOCK_COUNT)
878#define ICE_FD_SB_STAT_IDX(base_idx) ICE_FD_STAT_PF_IDX(base_idx)
879#define ICE_FD_STAT_CH 1
880#define ICE_FD_CH_STAT_IDX(base_idx) \
881 (ICE_FD_STAT_PF_IDX(base_idx) + ICE_FD_STAT_CH)
882
883/**
884 * ice_is_adq_active - any active ADQs
885 * @pf: pointer to PF
886 *
887 * This function returns true if there are any ADQs configured (which is
888 * determined by looking at VSI type (which should be VSI_PF), numtc, and
889 * TC_MQPRIO flag) otherwise return false
890 */
891static inline bool ice_is_adq_active(struct ice_pf *pf)
892{
893 struct ice_vsi *vsi;
894
895 vsi = ice_get_main_vsi(pf);
896 if (!vsi)
897 return false;
898
899 /* is ADQ configured */
900 if (vsi->tc_cfg.numtc > ICE_CHNL_START_TC &&
901 test_bit(ICE_FLAG_TC_MQPRIO, pf->flags))
902 return true;
903
904 return false;
905}
906
907void ice_debugfs_fwlog_init(struct ice_pf *pf);
908void ice_debugfs_pf_deinit(struct ice_pf *pf);
909void ice_debugfs_init(void);
910void ice_debugfs_exit(void);
911void ice_pf_fwlog_update_module(struct ice_pf *pf, int log_level, int module);
912
913bool netif_is_ice(const struct net_device *dev);
914int ice_vsi_setup_tx_rings(struct ice_vsi *vsi);
915int ice_vsi_setup_rx_rings(struct ice_vsi *vsi);
916int ice_vsi_open_ctrl(struct ice_vsi *vsi);
917int ice_vsi_open(struct ice_vsi *vsi);
918void ice_set_ethtool_ops(struct net_device *netdev);
919void ice_set_ethtool_repr_ops(struct net_device *netdev);
920void ice_set_ethtool_safe_mode_ops(struct net_device *netdev);
921void ice_set_ethtool_sf_ops(struct net_device *netdev);
922u16 ice_get_avail_txq_count(struct ice_pf *pf);
923u16 ice_get_avail_rxq_count(struct ice_pf *pf);
924int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx, bool locked);
925void ice_update_vsi_stats(struct ice_vsi *vsi);
926void ice_update_pf_stats(struct ice_pf *pf);
927void
928ice_fetch_u64_stats_per_ring(struct u64_stats_sync *syncp,
929 struct ice_q_stats stats, u64 *pkts, u64 *bytes);
930int ice_up(struct ice_vsi *vsi);
931int ice_down(struct ice_vsi *vsi);
932int ice_down_up(struct ice_vsi *vsi);
933int ice_vsi_cfg_lan(struct ice_vsi *vsi);
934struct ice_vsi *ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi);
935
936enum ice_xdp_cfg {
937 ICE_XDP_CFG_FULL, /* Fully apply new config in .ndo_bpf() */
938 ICE_XDP_CFG_PART, /* Save/use part of config in VSI rebuild */
939};
940
941int ice_vsi_determine_xdp_res(struct ice_vsi *vsi);
942int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog,
943 enum ice_xdp_cfg cfg_type);
944int ice_destroy_xdp_rings(struct ice_vsi *vsi, enum ice_xdp_cfg cfg_type);
945void ice_map_xdp_rings(struct ice_vsi *vsi);
946int
947ice_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames,
948 u32 flags);
949int ice_set_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size);
950int ice_get_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size);
951int ice_set_rss_key(struct ice_vsi *vsi, u8 *seed);
952int ice_get_rss_key(struct ice_vsi *vsi, u8 *seed);
953int ice_set_rss_hfunc(struct ice_vsi *vsi, u8 hfunc);
954void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size);
955int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset);
956void ice_print_link_msg(struct ice_vsi *vsi, bool isup);
957int ice_plug_aux_dev(struct ice_pf *pf);
958void ice_unplug_aux_dev(struct ice_pf *pf);
959int ice_init_rdma(struct ice_pf *pf);
960void ice_deinit_rdma(struct ice_pf *pf);
961const char *ice_aq_str(enum ice_aq_err aq_err);
962bool ice_is_wol_supported(struct ice_hw *hw);
963void ice_fdir_del_all_fltrs(struct ice_vsi *vsi);
964int
965ice_fdir_write_fltr(struct ice_pf *pf, struct ice_fdir_fltr *input, bool add,
966 bool is_tun);
967void ice_vsi_manage_fdir(struct ice_vsi *vsi, bool ena);
968int ice_add_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd);
969int ice_del_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd);
970int ice_get_ethtool_fdir_entry(struct ice_hw *hw, struct ethtool_rxnfc *cmd);
971int
972ice_get_fdir_fltr_ids(struct ice_hw *hw, struct ethtool_rxnfc *cmd,
973 u32 *rule_locs);
974void ice_fdir_rem_adq_chnl(struct ice_hw *hw, u16 vsi_idx);
975void ice_fdir_release_flows(struct ice_hw *hw);
976void ice_fdir_replay_flows(struct ice_hw *hw);
977void ice_fdir_replay_fltrs(struct ice_pf *pf);
978int ice_fdir_create_dflt_rules(struct ice_pf *pf);
979
980enum ice_aq_task_state {
981 ICE_AQ_TASK_NOT_PREPARED,
982 ICE_AQ_TASK_WAITING,
983 ICE_AQ_TASK_COMPLETE,
984 ICE_AQ_TASK_CANCELED,
985};
986
987struct ice_aq_task {
988 struct hlist_node entry;
989 struct ice_rq_event_info event;
990 enum ice_aq_task_state state;
991 u16 opcode;
992};
993
994void ice_aq_prep_for_event(struct ice_pf *pf, struct ice_aq_task *task,
995 u16 opcode);
996int ice_aq_wait_for_event(struct ice_pf *pf, struct ice_aq_task *task,
997 unsigned long timeout);
998int ice_open(struct net_device *netdev);
999int ice_open_internal(struct net_device *netdev);
1000int ice_stop(struct net_device *netdev);
1001void ice_service_task_schedule(struct ice_pf *pf);
1002int ice_load(struct ice_pf *pf);
1003void ice_unload(struct ice_pf *pf);
1004void ice_adv_lnk_speed_maps_init(void);
1005int ice_init_dev(struct ice_pf *pf);
1006void ice_deinit_dev(struct ice_pf *pf);
1007int ice_change_mtu(struct net_device *netdev, int new_mtu);
1008void ice_tx_timeout(struct net_device *netdev, unsigned int txqueue);
1009int ice_xdp(struct net_device *dev, struct netdev_bpf *xdp);
1010void ice_set_netdev_features(struct net_device *netdev);
1011int ice_vlan_rx_add_vid(struct net_device *netdev, __be16 proto, u16 vid);
1012int ice_vlan_rx_kill_vid(struct net_device *netdev, __be16 proto, u16 vid);
1013void ice_get_stats64(struct net_device *netdev,
1014 struct rtnl_link_stats64 *stats);
1015
1016/**
1017 * ice_set_rdma_cap - enable RDMA support
1018 * @pf: PF struct
1019 */
1020static inline void ice_set_rdma_cap(struct ice_pf *pf)
1021{
1022 if (pf->hw.func_caps.common_cap.rdma && pf->num_rdma_msix) {
1023 set_bit(nr: ICE_FLAG_RDMA_ENA, addr: pf->flags);
1024 set_bit(nr: ICE_FLAG_PLUG_AUX_DEV, addr: pf->flags);
1025 }
1026}
1027
1028/**
1029 * ice_clear_rdma_cap - disable RDMA support
1030 * @pf: PF struct
1031 */
1032static inline void ice_clear_rdma_cap(struct ice_pf *pf)
1033{
1034 /* defer unplug to service task to avoid RTNL lock and
1035 * clear PLUG bit so that pending plugs don't interfere
1036 */
1037 clear_bit(nr: ICE_FLAG_PLUG_AUX_DEV, addr: pf->flags);
1038 set_bit(nr: ICE_FLAG_UNPLUG_AUX_DEV, addr: pf->flags);
1039 clear_bit(nr: ICE_FLAG_RDMA_ENA, addr: pf->flags);
1040}
1041
1042extern const struct xdp_metadata_ops ice_xdp_md_ops;
1043
1044/**
1045 * ice_is_dual - Check if given config is multi-NAC
1046 * @hw: pointer to HW structure
1047 *
1048 * Return: true if the device is running in mutli-NAC (Network
1049 * Acceleration Complex) configuration variant, false otherwise
1050 * (always false for non-E825 devices).
1051 */
1052static inline bool ice_is_dual(struct ice_hw *hw)
1053{
1054 return hw->mac_type == ICE_MAC_GENERIC_3K_E825 &&
1055 (hw->dev_caps.nac_topo.mode & ICE_NAC_TOPO_DUAL_M);
1056}
1057
1058/**
1059 * ice_is_primary - Check if given device belongs to the primary complex
1060 * @hw: pointer to HW structure
1061 *
1062 * Check if given PF/HW is running on primary complex in multi-NAC
1063 * configuration.
1064 *
1065 * Return: true if the device is dual, false otherwise (always true
1066 * for non-E825 devices).
1067 */
1068static inline bool ice_is_primary(struct ice_hw *hw)
1069{
1070 return hw->mac_type != ICE_MAC_GENERIC_3K_E825 ||
1071 !ice_is_dual(hw) ||
1072 (hw->dev_caps.nac_topo.mode & ICE_NAC_TOPO_PRIMARY_M);
1073}
1074
1075/**
1076 * ice_pf_src_tmr_owned - Check if a primary timer is owned by PF
1077 * @pf: pointer to PF structure
1078 *
1079 * Return: true if PF owns primary timer, false otherwise.
1080 */
1081static inline bool ice_pf_src_tmr_owned(struct ice_pf *pf)
1082{
1083 return pf->hw.func_caps.ts_func_info.src_tmr_owned &&
1084 ice_is_primary(hw: &pf->hw);
1085}
1086
1087/**
1088 * ice_get_primary_hw - Get pointer to primary ice_hw structure
1089 * @pf: pointer to PF structure
1090 *
1091 * Return: A pointer to ice_hw structure with access to timesync
1092 * register space.
1093 */
1094static inline struct ice_hw *ice_get_primary_hw(struct ice_pf *pf)
1095{
1096 if (!pf->adapter->ctrl_pf)
1097 return &pf->hw;
1098 else
1099 return &pf->adapter->ctrl_pf->hw;
1100}
1101#endif /* _ICE_H_ */
1102

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source code of linux/drivers/net/ethernet/intel/ice/ice.h