1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (c) 2018, Intel Corporation. */
3
4 #ifndef _ICE_H_
5 #define _ICE_H_
6
7 #include <linux/types.h>
8 #include <linux/errno.h>
9 #include <linux/kernel.h>
10 #include <linux/module.h>
11 #include <linux/firmware.h>
12 #include <linux/netdevice.h>
13 #include <linux/compiler.h>
14 #include <linux/etherdevice.h>
15 #include <linux/skbuff.h>
16 #include <linux/cpumask.h>
17 #include <linux/rtnetlink.h>
18 #include <linux/if_vlan.h>
19 #include <linux/dma-mapping.h>
20 #include <linux/pci.h>
21 #include <linux/workqueue.h>
22 #include <linux/wait.h>
23 #include <linux/aer.h>
24 #include <linux/interrupt.h>
25 #include <linux/ethtool.h>
26 #include <linux/timer.h>
27 #include <linux/delay.h>
28 #include <linux/bitmap.h>
29 #include <linux/log2.h>
30 #include <linux/ip.h>
31 #include <linux/sctp.h>
32 #include <linux/ipv6.h>
33 #include <linux/pkt_sched.h>
34 #include <linux/if_bridge.h>
35 #include <linux/ctype.h>
36 #include <linux/bpf.h>
37 #include <linux/btf.h>
38 #include <linux/auxiliary_bus.h>
39 #include <linux/avf/virtchnl.h>
40 #include <linux/cpu_rmap.h>
41 #include <linux/dim.h>
42 #include <net/pkt_cls.h>
43 #include <net/tc_act/tc_mirred.h>
44 #include <net/tc_act/tc_gact.h>
45 #include <net/ip.h>
46 #include <net/devlink.h>
47 #include <net/ipv6.h>
48 #include <net/xdp_sock.h>
49 #include <net/xdp_sock_drv.h>
50 #include <net/geneve.h>
51 #include <net/gre.h>
52 #include <net/udp_tunnel.h>
53 #include <net/vxlan.h>
54 #include <net/gtp.h>
55 #include <linux/ppp_defs.h>
56 #include "ice_devids.h"
57 #include "ice_type.h"
58 #include "ice_txrx.h"
59 #include "ice_dcb.h"
60 #include "ice_switch.h"
61 #include "ice_common.h"
62 #include "ice_flow.h"
63 #include "ice_sched.h"
64 #include "ice_idc_int.h"
65 #include "ice_sriov.h"
66 #include "ice_vf_mbx.h"
67 #include "ice_ptp.h"
68 #include "ice_fdir.h"
69 #include "ice_xsk.h"
70 #include "ice_arfs.h"
71 #include "ice_repr.h"
72 #include "ice_eswitch.h"
73 #include "ice_lag.h"
74 #include "ice_vsi_vlan_ops.h"
75 #include "ice_gnss.h"
76
77 #define ICE_BAR0 0
78 #define ICE_REQ_DESC_MULTIPLE 32
79 #define ICE_MIN_NUM_DESC 64
80 #define ICE_MAX_NUM_DESC 8160
81 #define ICE_DFLT_MIN_RX_DESC 512
82 #define ICE_DFLT_NUM_TX_DESC 256
83 #define ICE_DFLT_NUM_RX_DESC 2048
84
85 #define ICE_DFLT_TRAFFIC_CLASS BIT(0)
86 #define ICE_INT_NAME_STR_LEN (IFNAMSIZ + 16)
87 #define ICE_AQ_LEN 192
88 #define ICE_MBXSQ_LEN 64
89 #define ICE_SBQ_LEN 64
90 #define ICE_MIN_LAN_TXRX_MSIX 1
91 #define ICE_MIN_LAN_OICR_MSIX 1
92 #define ICE_MIN_MSIX (ICE_MIN_LAN_TXRX_MSIX + ICE_MIN_LAN_OICR_MSIX)
93 #define ICE_FDIR_MSIX 2
94 #define ICE_RDMA_NUM_AEQ_MSIX 4
95 #define ICE_MIN_RDMA_MSIX 2
96 #define ICE_ESWITCH_MSIX 1
97 #define ICE_NO_VSI 0xffff
98 #define ICE_VSI_MAP_CONTIG 0
99 #define ICE_VSI_MAP_SCATTER 1
100 #define ICE_MAX_SCATTER_TXQS 16
101 #define ICE_MAX_SCATTER_RXQS 16
102 #define ICE_Q_WAIT_RETRY_LIMIT 10
103 #define ICE_Q_WAIT_MAX_RETRY (5 * ICE_Q_WAIT_RETRY_LIMIT)
104 #define ICE_MAX_LG_RSS_QS 256
105 #define ICE_RES_VALID_BIT 0x8000
106 #define ICE_RES_MISC_VEC_ID (ICE_RES_VALID_BIT - 1)
107 #define ICE_RES_RDMA_VEC_ID (ICE_RES_MISC_VEC_ID - 1)
108 /* All VF control VSIs share the same IRQ, so assign a unique ID for them */
109 #define ICE_RES_VF_CTRL_VEC_ID (ICE_RES_RDMA_VEC_ID - 1)
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_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 /* Macro for each VSI in a PF */
141 #define ice_for_each_vsi(pf, i) \
142 for ((i) = 0; (i) < (pf)->num_alloc_vsi; (i)++)
143
144 /* Macros for each Tx/Xdp/Rx ring in a VSI */
145 #define ice_for_each_txq(vsi, i) \
146 for ((i) = 0; (i) < (vsi)->num_txq; (i)++)
147
148 #define ice_for_each_xdp_txq(vsi, i) \
149 for ((i) = 0; (i) < (vsi)->num_xdp_txq; (i)++)
150
151 #define ice_for_each_rxq(vsi, i) \
152 for ((i) = 0; (i) < (vsi)->num_rxq; (i)++)
153
154 /* Macros for each allocated Tx/Rx ring whether used or not in a VSI */
155 #define ice_for_each_alloc_txq(vsi, i) \
156 for ((i) = 0; (i) < (vsi)->alloc_txq; (i)++)
157
158 #define ice_for_each_alloc_rxq(vsi, i) \
159 for ((i) = 0; (i) < (vsi)->alloc_rxq; (i)++)
160
161 #define ice_for_each_q_vector(vsi, i) \
162 for ((i) = 0; (i) < (vsi)->num_q_vectors; (i)++)
163
164 #define ice_for_each_chnl_tc(i) \
165 for ((i) = ICE_CHNL_START_TC; (i) < ICE_CHNL_MAX_TC; (i)++)
166
167 #define ICE_UCAST_PROMISC_BITS (ICE_PROMISC_UCAST_TX | ICE_PROMISC_UCAST_RX)
168
169 #define ICE_UCAST_VLAN_PROMISC_BITS (ICE_PROMISC_UCAST_TX | \
170 ICE_PROMISC_UCAST_RX | \
171 ICE_PROMISC_VLAN_TX | \
172 ICE_PROMISC_VLAN_RX)
173
174 #define ICE_MCAST_PROMISC_BITS (ICE_PROMISC_MCAST_TX | ICE_PROMISC_MCAST_RX)
175
176 #define ICE_MCAST_VLAN_PROMISC_BITS (ICE_PROMISC_MCAST_TX | \
177 ICE_PROMISC_MCAST_RX | \
178 ICE_PROMISC_VLAN_TX | \
179 ICE_PROMISC_VLAN_RX)
180
181 #define ice_pf_to_dev(pf) (&((pf)->pdev->dev))
182
183 enum ice_feature {
184 ICE_F_DSCP,
185 ICE_F_PTP_EXTTS,
186 ICE_F_SMA_CTRL,
187 ICE_F_GNSS,
188 ICE_F_MAX
189 };
190
191 DECLARE_STATIC_KEY_FALSE(ice_xdp_locking_key);
192
193 struct ice_channel {
194 struct list_head list;
195 u8 type;
196 u16 sw_id;
197 u16 base_q;
198 u16 num_rxq;
199 u16 num_txq;
200 u16 vsi_num;
201 u8 ena_tc;
202 struct ice_aqc_vsi_props info;
203 u64 max_tx_rate;
204 u64 min_tx_rate;
205 atomic_t num_sb_fltr;
206 struct ice_vsi *ch_vsi;
207 };
208
209 struct ice_txq_meta {
210 u32 q_teid; /* Tx-scheduler element identifier */
211 u16 q_id; /* Entry in VSI's txq_map bitmap */
212 u16 q_handle; /* Relative index of Tx queue within TC */
213 u16 vsi_idx; /* VSI index that Tx queue belongs to */
214 u8 tc; /* TC number that Tx queue belongs to */
215 };
216
217 struct ice_tc_info {
218 u16 qoffset;
219 u16 qcount_tx;
220 u16 qcount_rx;
221 u8 netdev_tc;
222 };
223
224 struct ice_tc_cfg {
225 u8 numtc; /* Total number of enabled TCs */
226 u16 ena_tc; /* Tx map */
227 struct ice_tc_info tc_info[ICE_MAX_TRAFFIC_CLASS];
228 };
229
230 struct ice_res_tracker {
231 u16 num_entries;
232 u16 end;
233 u16 list[];
234 };
235
236 struct ice_qs_cfg {
237 struct mutex *qs_mutex; /* will be assigned to &pf->avail_q_mutex */
238 unsigned long *pf_map;
239 unsigned long pf_map_size;
240 unsigned int q_count;
241 unsigned int scatter_count;
242 u16 *vsi_map;
243 u16 vsi_map_offset;
244 u8 mapping_mode;
245 };
246
247 struct ice_sw {
248 struct ice_pf *pf;
249 u16 sw_id; /* switch ID for this switch */
250 u16 bridge_mode; /* VEB/VEPA/Port Virtualizer */
251 };
252
253 enum ice_pf_state {
254 ICE_TESTING,
255 ICE_DOWN,
256 ICE_NEEDS_RESTART,
257 ICE_PREPARED_FOR_RESET, /* set by driver when prepared */
258 ICE_RESET_OICR_RECV, /* set by driver after rcv reset OICR */
259 ICE_PFR_REQ, /* set by driver */
260 ICE_CORER_REQ, /* set by driver */
261 ICE_GLOBR_REQ, /* set by driver */
262 ICE_CORER_RECV, /* set by OICR handler */
263 ICE_GLOBR_RECV, /* set by OICR handler */
264 ICE_EMPR_RECV, /* set by OICR handler */
265 ICE_SUSPENDED, /* set on module remove path */
266 ICE_RESET_FAILED, /* set by reset/rebuild */
267 /* When checking for the PF to be in a nominal operating state, the
268 * bits that are grouped at the beginning of the list need to be
269 * checked. Bits occurring before ICE_STATE_NOMINAL_CHECK_BITS will
270 * be checked. If you need to add a bit into consideration for nominal
271 * operating state, it must be added before
272 * ICE_STATE_NOMINAL_CHECK_BITS. Do not move this entry's position
273 * without appropriate consideration.
274 */
275 ICE_STATE_NOMINAL_CHECK_BITS,
276 ICE_ADMINQ_EVENT_PENDING,
277 ICE_MAILBOXQ_EVENT_PENDING,
278 ICE_SIDEBANDQ_EVENT_PENDING,
279 ICE_MDD_EVENT_PENDING,
280 ICE_VFLR_EVENT_PENDING,
281 ICE_FLTR_OVERFLOW_PROMISC,
282 ICE_VF_DIS,
283 ICE_CFG_BUSY,
284 ICE_SERVICE_SCHED,
285 ICE_SERVICE_DIS,
286 ICE_FD_FLUSH_REQ,
287 ICE_OICR_INTR_DIS, /* Global OICR interrupt disabled */
288 ICE_MDD_VF_PRINT_PENDING, /* set when MDD event handle */
289 ICE_VF_RESETS_DISABLED, /* disable resets during ice_remove */
290 ICE_LINK_DEFAULT_OVERRIDE_PENDING,
291 ICE_PHY_INIT_COMPLETE,
292 ICE_FD_VF_FLUSH_CTX, /* set at FD Rx IRQ or timeout */
293 ICE_AUX_ERR_PENDING,
294 ICE_STATE_NBITS /* must be last */
295 };
296
297 enum ice_vsi_state {
298 ICE_VSI_DOWN,
299 ICE_VSI_NEEDS_RESTART,
300 ICE_VSI_NETDEV_ALLOCD,
301 ICE_VSI_NETDEV_REGISTERED,
302 ICE_VSI_UMAC_FLTR_CHANGED,
303 ICE_VSI_MMAC_FLTR_CHANGED,
304 ICE_VSI_PROMISC_CHANGED,
305 ICE_VSI_STATE_NBITS /* must be last */
306 };
307
308 /* struct that defines a VSI, associated with a dev */
309 struct ice_vsi {
310 struct net_device *netdev;
311 struct ice_sw *vsw; /* switch this VSI is on */
312 struct ice_pf *back; /* back pointer to PF */
313 struct ice_port_info *port_info; /* back pointer to port_info */
314 struct ice_rx_ring **rx_rings; /* Rx ring array */
315 struct ice_tx_ring **tx_rings; /* Tx ring array */
316 struct ice_q_vector **q_vectors; /* q_vector array */
317
318 irqreturn_t (*irq_handler)(int irq, void *data);
319
320 u64 tx_linearize;
321 DECLARE_BITMAP(state, ICE_VSI_STATE_NBITS);
322 unsigned int current_netdev_flags;
323 u32 tx_restart;
324 u32 tx_busy;
325 u32 rx_buf_failed;
326 u32 rx_page_failed;
327 u16 num_q_vectors;
328 u16 base_vector; /* IRQ base for OS reserved vectors */
329 enum ice_vsi_type type;
330 u16 vsi_num; /* HW (absolute) index of this VSI */
331 u16 idx; /* software index in pf->vsi[] */
332
333 struct ice_vf *vf; /* VF associated with this VSI */
334
335 u16 ethtype; /* Ethernet protocol for pause frame */
336 u16 num_gfltr;
337 u16 num_bfltr;
338
339 /* RSS config */
340 u16 rss_table_size; /* HW RSS table size */
341 u16 rss_size; /* Allocated RSS queues */
342 u8 *rss_hkey_user; /* User configured hash keys */
343 u8 *rss_lut_user; /* User configured lookup table entries */
344 u8 rss_lut_type; /* used to configure Get/Set RSS LUT AQ call */
345
346 /* aRFS members only allocated for the PF VSI */
347 #define ICE_MAX_ARFS_LIST 1024
348 #define ICE_ARFS_LST_MASK (ICE_MAX_ARFS_LIST - 1)
349 struct hlist_head *arfs_fltr_list;
350 struct ice_arfs_active_fltr_cntrs *arfs_fltr_cntrs;
351 spinlock_t arfs_lock; /* protects aRFS hash table and filter state */
352 atomic_t *arfs_last_fltr_id;
353
354 u16 max_frame;
355 u16 rx_buf_len;
356
357 struct ice_aqc_vsi_props info; /* VSI properties */
358
359 /* VSI stats */
360 struct rtnl_link_stats64 net_stats;
361 struct ice_eth_stats eth_stats;
362 struct ice_eth_stats eth_stats_prev;
363
364 struct list_head tmp_sync_list; /* MAC filters to be synced */
365 struct list_head tmp_unsync_list; /* MAC filters to be unsynced */
366
367 u8 irqs_ready:1;
368 u8 current_isup:1; /* Sync 'link up' logging */
369 u8 stat_offsets_loaded:1;
370 struct ice_vsi_vlan_ops inner_vlan_ops;
371 struct ice_vsi_vlan_ops outer_vlan_ops;
372 u16 num_vlan;
373
374 /* queue information */
375 u8 tx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */
376 u8 rx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */
377 u16 *txq_map; /* index in pf->avail_txqs */
378 u16 *rxq_map; /* index in pf->avail_rxqs */
379 u16 alloc_txq; /* Allocated Tx queues */
380 u16 num_txq; /* Used Tx queues */
381 u16 alloc_rxq; /* Allocated Rx queues */
382 u16 num_rxq; /* Used Rx queues */
383 u16 req_txq; /* User requested Tx queues */
384 u16 req_rxq; /* User requested Rx queues */
385 u16 num_rx_desc;
386 u16 num_tx_desc;
387 u16 qset_handle[ICE_MAX_TRAFFIC_CLASS];
388 struct ice_tc_cfg tc_cfg;
389 struct bpf_prog *xdp_prog;
390 struct ice_tx_ring **xdp_rings; /* XDP ring array */
391 unsigned long *af_xdp_zc_qps; /* tracks AF_XDP ZC enabled qps */
392 u16 num_xdp_txq; /* Used XDP queues */
393 u8 xdp_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */
394
395 struct net_device **target_netdevs;
396
397 struct tc_mqprio_qopt_offload mqprio_qopt; /* queue parameters */
398
399 /* Channel Specific Fields */
400 struct ice_vsi *tc_map_vsi[ICE_CHNL_MAX_TC];
401 u16 cnt_q_avail;
402 u16 next_base_q; /* next queue to be used for channel setup */
403 struct list_head ch_list;
404 u16 num_chnl_rxq;
405 u16 num_chnl_txq;
406 u16 ch_rss_size;
407 u16 num_chnl_fltr;
408 /* store away rss size info before configuring ADQ channels so that,
409 * it can be used after tc-qdisc delete, to get back RSS setting as
410 * they were before
411 */
412 u16 orig_rss_size;
413 /* this keeps tracks of all enabled TC with and without DCB
414 * and inclusive of ADQ, vsi->mqprio_opt keeps track of queue
415 * information
416 */
417 u8 all_numtc;
418 u16 all_enatc;
419
420 /* store away TC info, to be used for rebuild logic */
421 u8 old_numtc;
422 u16 old_ena_tc;
423
424 struct ice_channel *ch;
425
426 /* setup back reference, to which aggregator node this VSI
427 * corresponds to
428 */
429 struct ice_agg_node *agg_node;
430 } ____cacheline_internodealigned_in_smp;
431
432 /* struct that defines an interrupt vector */
433 struct ice_q_vector {
434 struct ice_vsi *vsi;
435
436 u16 v_idx; /* index in the vsi->q_vector array. */
437 u16 reg_idx;
438 u8 num_ring_rx; /* total number of Rx rings in vector */
439 u8 num_ring_tx; /* total number of Tx rings in vector */
440 u8 wb_on_itr:1; /* if true, WB on ITR is enabled */
441 /* in usecs, need to use ice_intrl_to_usecs_reg() before writing this
442 * value to the device
443 */
444 u8 intrl;
445
446 struct napi_struct napi;
447
448 struct ice_ring_container rx;
449 struct ice_ring_container tx;
450
451 cpumask_t affinity_mask;
452 struct irq_affinity_notify affinity_notify;
453
454 struct ice_channel *ch;
455
456 char name[ICE_INT_NAME_STR_LEN];
457
458 u16 total_events; /* net_dim(): number of interrupts processed */
459 } ____cacheline_internodealigned_in_smp;
460
461 enum ice_pf_flags {
462 ICE_FLAG_FLTR_SYNC,
463 ICE_FLAG_RDMA_ENA,
464 ICE_FLAG_RSS_ENA,
465 ICE_FLAG_SRIOV_ENA,
466 ICE_FLAG_SRIOV_CAPABLE,
467 ICE_FLAG_DCB_CAPABLE,
468 ICE_FLAG_DCB_ENA,
469 ICE_FLAG_FD_ENA,
470 ICE_FLAG_PTP_SUPPORTED, /* PTP is supported by NVM */
471 ICE_FLAG_PTP, /* PTP is enabled by software */
472 ICE_FLAG_ADV_FEATURES,
473 ICE_FLAG_TC_MQPRIO, /* support for Multi queue TC */
474 ICE_FLAG_CLS_FLOWER,
475 ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA,
476 ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA,
477 ICE_FLAG_NO_MEDIA,
478 ICE_FLAG_FW_LLDP_AGENT,
479 ICE_FLAG_MOD_POWER_UNSUPPORTED,
480 ICE_FLAG_PHY_FW_LOAD_FAILED,
481 ICE_FLAG_ETHTOOL_CTXT, /* set when ethtool holds RTNL lock */
482 ICE_FLAG_LEGACY_RX,
483 ICE_FLAG_VF_TRUE_PROMISC_ENA,
484 ICE_FLAG_MDD_AUTO_RESET_VF,
485 ICE_FLAG_VF_VLAN_PRUNING,
486 ICE_FLAG_LINK_LENIENT_MODE_ENA,
487 ICE_FLAG_PLUG_AUX_DEV,
488 ICE_FLAG_UNPLUG_AUX_DEV,
489 ICE_FLAG_MTU_CHANGED,
490 ICE_FLAG_GNSS, /* GNSS successfully initialized */
491 ICE_PF_FLAGS_NBITS /* must be last */
492 };
493
494 enum ice_misc_thread_tasks {
495 ICE_MISC_THREAD_EXTTS_EVENT,
496 ICE_MISC_THREAD_TX_TSTAMP,
497 ICE_MISC_THREAD_NBITS /* must be last */
498 };
499
500 struct ice_switchdev_info {
501 struct ice_vsi *control_vsi;
502 struct ice_vsi *uplink_vsi;
503 bool is_running;
504 };
505
506 struct ice_agg_node {
507 u32 agg_id;
508 #define ICE_MAX_VSIS_IN_AGG_NODE 64
509 u32 num_vsis;
510 u8 valid;
511 };
512
513 struct ice_pf {
514 struct pci_dev *pdev;
515
516 struct devlink_region *nvm_region;
517 struct devlink_region *sram_region;
518 struct devlink_region *devcaps_region;
519
520 /* devlink port data */
521 struct devlink_port devlink_port;
522
523 /* OS reserved IRQ details */
524 struct msix_entry *msix_entries;
525 struct ice_res_tracker *irq_tracker;
526 /* First MSIX vector used by SR-IOV VFs. Calculated by subtracting the
527 * number of MSIX vectors needed for all SR-IOV VFs from the number of
528 * MSIX vectors allowed on this PF.
529 */
530 u16 sriov_base_vector;
531
532 u16 ctrl_vsi_idx; /* control VSI index in pf->vsi array */
533
534 struct ice_vsi **vsi; /* VSIs created by the driver */
535 struct ice_sw *first_sw; /* first switch created by firmware */
536 u16 eswitch_mode; /* current mode of eswitch */
537 struct ice_vfs vfs;
538 DECLARE_BITMAP(features, ICE_F_MAX);
539 DECLARE_BITMAP(state, ICE_STATE_NBITS);
540 DECLARE_BITMAP(flags, ICE_PF_FLAGS_NBITS);
541 DECLARE_BITMAP(misc_thread, ICE_MISC_THREAD_NBITS);
542 unsigned long *avail_txqs; /* bitmap to track PF Tx queue usage */
543 unsigned long *avail_rxqs; /* bitmap to track PF Rx queue usage */
544 unsigned long serv_tmr_period;
545 unsigned long serv_tmr_prev;
546 struct timer_list serv_tmr;
547 struct work_struct serv_task;
548 struct mutex avail_q_mutex; /* protects access to avail_[rx|tx]qs */
549 struct mutex sw_mutex; /* lock for protecting VSI alloc flow */
550 struct mutex tc_mutex; /* lock to protect TC changes */
551 struct mutex adev_mutex; /* lock to protect aux device access */
552 u32 msg_enable;
553 struct ice_ptp ptp;
554 struct tty_driver *ice_gnss_tty_driver;
555 struct tty_port *gnss_tty_port[ICE_GNSS_TTY_MINOR_DEVICES];
556 struct gnss_serial *gnss_serial[ICE_GNSS_TTY_MINOR_DEVICES];
557 u16 num_rdma_msix; /* Total MSIX vectors for RDMA driver */
558 u16 rdma_base_vector;
559
560 /* spinlock to protect the AdminQ wait list */
561 spinlock_t aq_wait_lock;
562 struct hlist_head aq_wait_list;
563 wait_queue_head_t aq_wait_queue;
564 bool fw_emp_reset_disabled;
565
566 wait_queue_head_t reset_wait_queue;
567
568 u32 hw_csum_rx_error;
569 u32 oicr_err_reg;
570 u16 oicr_idx; /* Other interrupt cause MSIX vector index */
571 u16 num_avail_sw_msix; /* remaining MSIX SW vectors left unclaimed */
572 u16 max_pf_txqs; /* Total Tx queues PF wide */
573 u16 max_pf_rxqs; /* Total Rx queues PF wide */
574 u16 num_lan_msix; /* Total MSIX vectors for base driver */
575 u16 num_lan_tx; /* num LAN Tx queues setup */
576 u16 num_lan_rx; /* num LAN Rx queues setup */
577 u16 next_vsi; /* Next free slot in pf->vsi[] - 0-based! */
578 u16 num_alloc_vsi;
579 u16 corer_count; /* Core reset count */
580 u16 globr_count; /* Global reset count */
581 u16 empr_count; /* EMP reset count */
582 u16 pfr_count; /* PF reset count */
583
584 u8 wol_ena : 1; /* software state of WoL */
585 u32 wakeup_reason; /* last wakeup reason */
586 struct ice_hw_port_stats stats;
587 struct ice_hw_port_stats stats_prev;
588 struct ice_hw hw;
589 u8 stat_prev_loaded:1; /* has previous stats been loaded */
590 u8 rdma_mode;
591 u16 dcbx_cap;
592 u32 tx_timeout_count;
593 unsigned long tx_timeout_last_recovery;
594 u32 tx_timeout_recovery_level;
595 char int_name[ICE_INT_NAME_STR_LEN];
596 struct auxiliary_device *adev;
597 int aux_idx;
598 u32 sw_int_count;
599 /* count of tc_flower filters specific to channel (aka where filter
600 * action is "hw_tc <tc_num>")
601 */
602 u16 num_dmac_chnl_fltrs;
603 struct hlist_head tc_flower_fltr_list;
604
605 __le64 nvm_phy_type_lo; /* NVM PHY type low */
606 __le64 nvm_phy_type_hi; /* NVM PHY type high */
607 struct ice_link_default_override_tlv link_dflt_override;
608 struct ice_lag *lag; /* Link Aggregation information */
609
610 struct ice_switchdev_info switchdev;
611
612 #define ICE_INVALID_AGG_NODE_ID 0
613 #define ICE_PF_AGG_NODE_ID_START 1
614 #define ICE_MAX_PF_AGG_NODES 32
615 struct ice_agg_node pf_agg_node[ICE_MAX_PF_AGG_NODES];
616 #define ICE_VF_AGG_NODE_ID_START 65
617 #define ICE_MAX_VF_AGG_NODES 32
618 struct ice_agg_node vf_agg_node[ICE_MAX_VF_AGG_NODES];
619 };
620
621 struct ice_netdev_priv {
622 struct ice_vsi *vsi;
623 struct ice_repr *repr;
624 /* indirect block callbacks on registered higher level devices
625 * (e.g. tunnel devices)
626 *
627 * tc_indr_block_cb_priv_list is used to look up indirect callback
628 * private data
629 */
630 struct list_head tc_indr_block_priv_list;
631 };
632
633 /**
634 * ice_vector_ch_enabled
635 * @qv: pointer to q_vector, can be NULL
636 *
637 * This function returns true if vector is channel enabled otherwise false
638 */
ice_vector_ch_enabled(struct ice_q_vector * qv)639 static inline bool ice_vector_ch_enabled(struct ice_q_vector *qv)
640 {
641 return !!qv->ch; /* Enable it to run with TC */
642 }
643
644 /**
645 * ice_irq_dynamic_ena - Enable default interrupt generation settings
646 * @hw: pointer to HW struct
647 * @vsi: pointer to VSI struct, can be NULL
648 * @q_vector: pointer to q_vector, can be NULL
649 */
650 static inline void
ice_irq_dynamic_ena(struct ice_hw * hw,struct ice_vsi * vsi,struct ice_q_vector * q_vector)651 ice_irq_dynamic_ena(struct ice_hw *hw, struct ice_vsi *vsi,
652 struct ice_q_vector *q_vector)
653 {
654 u32 vector = (vsi && q_vector) ? q_vector->reg_idx :
655 ((struct ice_pf *)hw->back)->oicr_idx;
656 int itr = ICE_ITR_NONE;
657 u32 val;
658
659 /* clear the PBA here, as this function is meant to clean out all
660 * previous interrupts and enable the interrupt
661 */
662 val = GLINT_DYN_CTL_INTENA_M | GLINT_DYN_CTL_CLEARPBA_M |
663 (itr << GLINT_DYN_CTL_ITR_INDX_S);
664 if (vsi)
665 if (test_bit(ICE_VSI_DOWN, vsi->state))
666 return;
667 wr32(hw, GLINT_DYN_CTL(vector), val);
668 }
669
670 /**
671 * ice_netdev_to_pf - Retrieve the PF struct associated with a netdev
672 * @netdev: pointer to the netdev struct
673 */
ice_netdev_to_pf(struct net_device * netdev)674 static inline struct ice_pf *ice_netdev_to_pf(struct net_device *netdev)
675 {
676 struct ice_netdev_priv *np = netdev_priv(netdev);
677
678 return np->vsi->back;
679 }
680
ice_is_xdp_ena_vsi(struct ice_vsi * vsi)681 static inline bool ice_is_xdp_ena_vsi(struct ice_vsi *vsi)
682 {
683 return !!READ_ONCE(vsi->xdp_prog);
684 }
685
ice_set_ring_xdp(struct ice_tx_ring * ring)686 static inline void ice_set_ring_xdp(struct ice_tx_ring *ring)
687 {
688 ring->flags |= ICE_TX_FLAGS_RING_XDP;
689 }
690
691 /**
692 * ice_xsk_pool - get XSK buffer pool bound to a ring
693 * @ring: Rx ring to use
694 *
695 * Returns a pointer to xsk_buff_pool structure if there is a buffer pool
696 * present, NULL otherwise.
697 */
ice_xsk_pool(struct ice_rx_ring * ring)698 static inline struct xsk_buff_pool *ice_xsk_pool(struct ice_rx_ring *ring)
699 {
700 struct ice_vsi *vsi = ring->vsi;
701 u16 qid = ring->q_index;
702
703 if (!ice_is_xdp_ena_vsi(vsi) || !test_bit(qid, vsi->af_xdp_zc_qps))
704 return NULL;
705
706 return xsk_get_pool_from_qid(vsi->netdev, qid);
707 }
708
709 /**
710 * ice_tx_xsk_pool - assign XSK buff pool to XDP ring
711 * @vsi: pointer to VSI
712 * @qid: index of a queue to look at XSK buff pool presence
713 *
714 * Sets XSK buff pool pointer on XDP ring.
715 *
716 * XDP ring is picked from Rx ring, whereas Rx ring is picked based on provided
717 * queue id. Reason for doing so is that queue vectors might have assigned more
718 * than one XDP ring, e.g. when user reduced the queue count on netdev; Rx ring
719 * carries a pointer to one of these XDP rings for its own purposes, such as
720 * handling XDP_TX action, therefore we can piggyback here on the
721 * rx_ring->xdp_ring assignment that was done during XDP rings initialization.
722 */
ice_tx_xsk_pool(struct ice_vsi * vsi,u16 qid)723 static inline void ice_tx_xsk_pool(struct ice_vsi *vsi, u16 qid)
724 {
725 struct ice_tx_ring *ring;
726
727 ring = vsi->rx_rings[qid]->xdp_ring;
728 if (!ring)
729 return;
730
731 if (!ice_is_xdp_ena_vsi(vsi) || !test_bit(qid, vsi->af_xdp_zc_qps)) {
732 ring->xsk_pool = NULL;
733 return;
734 }
735
736 ring->xsk_pool = xsk_get_pool_from_qid(vsi->netdev, qid);
737 }
738
739 /**
740 * ice_get_main_vsi - Get the PF VSI
741 * @pf: PF instance
742 *
743 * returns pf->vsi[0], which by definition is the PF VSI
744 */
ice_get_main_vsi(struct ice_pf * pf)745 static inline struct ice_vsi *ice_get_main_vsi(struct ice_pf *pf)
746 {
747 if (pf->vsi)
748 return pf->vsi[0];
749
750 return NULL;
751 }
752
753 /**
754 * ice_get_netdev_priv_vsi - return VSI associated with netdev priv.
755 * @np: private netdev structure
756 */
ice_get_netdev_priv_vsi(struct ice_netdev_priv * np)757 static inline struct ice_vsi *ice_get_netdev_priv_vsi(struct ice_netdev_priv *np)
758 {
759 /* In case of port representor return source port VSI. */
760 if (np->repr)
761 return np->repr->src_vsi;
762 else
763 return np->vsi;
764 }
765
766 /**
767 * ice_get_ctrl_vsi - Get the control VSI
768 * @pf: PF instance
769 */
ice_get_ctrl_vsi(struct ice_pf * pf)770 static inline struct ice_vsi *ice_get_ctrl_vsi(struct ice_pf *pf)
771 {
772 /* if pf->ctrl_vsi_idx is ICE_NO_VSI, control VSI was not set up */
773 if (!pf->vsi || pf->ctrl_vsi_idx == ICE_NO_VSI)
774 return NULL;
775
776 return pf->vsi[pf->ctrl_vsi_idx];
777 }
778
779 /**
780 * ice_find_vsi - Find the VSI from VSI ID
781 * @pf: The PF pointer to search in
782 * @vsi_num: The VSI ID to search for
783 */
ice_find_vsi(struct ice_pf * pf,u16 vsi_num)784 static inline struct ice_vsi *ice_find_vsi(struct ice_pf *pf, u16 vsi_num)
785 {
786 int i;
787
788 ice_for_each_vsi(pf, i)
789 if (pf->vsi[i] && pf->vsi[i]->vsi_num == vsi_num)
790 return pf->vsi[i];
791 return NULL;
792 }
793
794 /**
795 * ice_is_switchdev_running - check if switchdev is configured
796 * @pf: pointer to PF structure
797 *
798 * Returns true if eswitch mode is set to DEVLINK_ESWITCH_MODE_SWITCHDEV
799 * and switchdev is configured, false otherwise.
800 */
ice_is_switchdev_running(struct ice_pf * pf)801 static inline bool ice_is_switchdev_running(struct ice_pf *pf)
802 {
803 return pf->switchdev.is_running;
804 }
805
806 /**
807 * ice_set_sriov_cap - enable SRIOV in PF flags
808 * @pf: PF struct
809 */
ice_set_sriov_cap(struct ice_pf * pf)810 static inline void ice_set_sriov_cap(struct ice_pf *pf)
811 {
812 if (pf->hw.func_caps.common_cap.sr_iov_1_1)
813 set_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags);
814 }
815
816 /**
817 * ice_clear_sriov_cap - disable SRIOV in PF flags
818 * @pf: PF struct
819 */
ice_clear_sriov_cap(struct ice_pf * pf)820 static inline void ice_clear_sriov_cap(struct ice_pf *pf)
821 {
822 clear_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags);
823 }
824
825 #define ICE_FD_STAT_CTR_BLOCK_COUNT 256
826 #define ICE_FD_STAT_PF_IDX(base_idx) \
827 ((base_idx) * ICE_FD_STAT_CTR_BLOCK_COUNT)
828 #define ICE_FD_SB_STAT_IDX(base_idx) ICE_FD_STAT_PF_IDX(base_idx)
829 #define ICE_FD_STAT_CH 1
830 #define ICE_FD_CH_STAT_IDX(base_idx) \
831 (ICE_FD_STAT_PF_IDX(base_idx) + ICE_FD_STAT_CH)
832
833 /**
834 * ice_is_adq_active - any active ADQs
835 * @pf: pointer to PF
836 *
837 * This function returns true if there are any ADQs configured (which is
838 * determined by looking at VSI type (which should be VSI_PF), numtc, and
839 * TC_MQPRIO flag) otherwise return false
840 */
ice_is_adq_active(struct ice_pf * pf)841 static inline bool ice_is_adq_active(struct ice_pf *pf)
842 {
843 struct ice_vsi *vsi;
844
845 vsi = ice_get_main_vsi(pf);
846 if (!vsi)
847 return false;
848
849 /* is ADQ configured */
850 if (vsi->tc_cfg.numtc > ICE_CHNL_START_TC &&
851 test_bit(ICE_FLAG_TC_MQPRIO, pf->flags))
852 return true;
853
854 return false;
855 }
856
857 bool netif_is_ice(struct net_device *dev);
858 int ice_vsi_setup_tx_rings(struct ice_vsi *vsi);
859 int ice_vsi_setup_rx_rings(struct ice_vsi *vsi);
860 int ice_vsi_open_ctrl(struct ice_vsi *vsi);
861 int ice_vsi_open(struct ice_vsi *vsi);
862 void ice_set_ethtool_ops(struct net_device *netdev);
863 void ice_set_ethtool_repr_ops(struct net_device *netdev);
864 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev);
865 u16 ice_get_avail_txq_count(struct ice_pf *pf);
866 u16 ice_get_avail_rxq_count(struct ice_pf *pf);
867 int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx, bool locked);
868 void ice_update_vsi_stats(struct ice_vsi *vsi);
869 void ice_update_pf_stats(struct ice_pf *pf);
870 void
871 ice_fetch_u64_stats_per_ring(struct u64_stats_sync *syncp,
872 struct ice_q_stats stats, u64 *pkts, u64 *bytes);
873 int ice_up(struct ice_vsi *vsi);
874 int ice_down(struct ice_vsi *vsi);
875 int ice_down_up(struct ice_vsi *vsi);
876 int ice_vsi_cfg(struct ice_vsi *vsi);
877 struct ice_vsi *ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi);
878 int ice_vsi_determine_xdp_res(struct ice_vsi *vsi);
879 int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog);
880 int ice_destroy_xdp_rings(struct ice_vsi *vsi);
881 int
882 ice_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames,
883 u32 flags);
884 int ice_set_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size);
885 int ice_get_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size);
886 int ice_set_rss_key(struct ice_vsi *vsi, u8 *seed);
887 int ice_get_rss_key(struct ice_vsi *vsi, u8 *seed);
888 void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size);
889 int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset);
890 void ice_print_link_msg(struct ice_vsi *vsi, bool isup);
891 int ice_plug_aux_dev(struct ice_pf *pf);
892 void ice_unplug_aux_dev(struct ice_pf *pf);
893 int ice_init_rdma(struct ice_pf *pf);
894 const char *ice_aq_str(enum ice_aq_err aq_err);
895 bool ice_is_wol_supported(struct ice_hw *hw);
896 void ice_fdir_del_all_fltrs(struct ice_vsi *vsi);
897 int
898 ice_fdir_write_fltr(struct ice_pf *pf, struct ice_fdir_fltr *input, bool add,
899 bool is_tun);
900 void ice_vsi_manage_fdir(struct ice_vsi *vsi, bool ena);
901 int ice_add_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd);
902 int ice_del_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd);
903 int ice_get_ethtool_fdir_entry(struct ice_hw *hw, struct ethtool_rxnfc *cmd);
904 int
905 ice_get_fdir_fltr_ids(struct ice_hw *hw, struct ethtool_rxnfc *cmd,
906 u32 *rule_locs);
907 void ice_fdir_rem_adq_chnl(struct ice_hw *hw, u16 vsi_idx);
908 void ice_fdir_release_flows(struct ice_hw *hw);
909 void ice_fdir_replay_flows(struct ice_hw *hw);
910 void ice_fdir_replay_fltrs(struct ice_pf *pf);
911 int ice_fdir_create_dflt_rules(struct ice_pf *pf);
912 int ice_aq_wait_for_event(struct ice_pf *pf, u16 opcode, unsigned long timeout,
913 struct ice_rq_event_info *event);
914 int ice_open(struct net_device *netdev);
915 int ice_open_internal(struct net_device *netdev);
916 int ice_stop(struct net_device *netdev);
917 void ice_service_task_schedule(struct ice_pf *pf);
918
919 /**
920 * ice_set_rdma_cap - enable RDMA support
921 * @pf: PF struct
922 */
ice_set_rdma_cap(struct ice_pf * pf)923 static inline void ice_set_rdma_cap(struct ice_pf *pf)
924 {
925 if (pf->hw.func_caps.common_cap.rdma && pf->num_rdma_msix) {
926 set_bit(ICE_FLAG_RDMA_ENA, pf->flags);
927 set_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags);
928 }
929 }
930
931 /**
932 * ice_clear_rdma_cap - disable RDMA support
933 * @pf: PF struct
934 */
ice_clear_rdma_cap(struct ice_pf * pf)935 static inline void ice_clear_rdma_cap(struct ice_pf *pf)
936 {
937 /* defer unplug to service task to avoid RTNL lock and
938 * clear PLUG bit so that pending plugs don't interfere
939 */
940 clear_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags);
941 set_bit(ICE_FLAG_UNPLUG_AUX_DEV, pf->flags);
942 clear_bit(ICE_FLAG_RDMA_ENA, pf->flags);
943 }
944 #endif /* _ICE_H_ */
945