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)) 195 196 #define ice_pf_src_tmr_owned(pf) ((pf)->hw.func_caps.ts_func_info.src_tmr_owned) 197 198 enum ice_feature { 199 ICE_F_DSCP, 200 ICE_F_PHY_RCLK, 201 ICE_F_SMA_CTRL, 202 ICE_F_CGU, 203 ICE_F_GNSS, 204 ICE_F_ROCE_LAG, 205 ICE_F_SRIOV_LAG, 206 ICE_F_MBX_LIMIT, 207 ICE_F_MAX 208 }; 209 210 DECLARE_STATIC_KEY_FALSE(ice_xdp_locking_key); 211 212 struct ice_channel { 213 struct list_head list; 214 u8 type; 215 u16 sw_id; 216 u16 base_q; 217 u16 num_rxq; 218 u16 num_txq; 219 u16 vsi_num; 220 u8 ena_tc; 221 struct ice_aqc_vsi_props info; 222 u64 max_tx_rate; 223 u64 min_tx_rate; 224 atomic_t num_sb_fltr; 225 struct ice_vsi *ch_vsi; 226 }; 227 228 struct ice_txq_meta { 229 u32 q_teid; /* Tx-scheduler element identifier */ 230 u16 q_id; /* Entry in VSI's txq_map bitmap */ 231 u16 q_handle; /* Relative index of Tx queue within TC */ 232 u16 vsi_idx; /* VSI index that Tx queue belongs to */ 233 u8 tc; /* TC number that Tx queue belongs to */ 234 }; 235 236 struct ice_tc_info { 237 u16 qoffset; 238 u16 qcount_tx; 239 u16 qcount_rx; 240 u8 netdev_tc; 241 }; 242 243 struct ice_tc_cfg { 244 u8 numtc; /* Total number of enabled TCs */ 245 u16 ena_tc; /* Tx map */ 246 struct ice_tc_info tc_info[ICE_MAX_TRAFFIC_CLASS]; 247 }; 248 249 struct ice_qs_cfg { 250 struct mutex *qs_mutex; /* will be assigned to &pf->avail_q_mutex */ 251 unsigned long *pf_map; 252 unsigned long pf_map_size; 253 unsigned int q_count; 254 unsigned int scatter_count; 255 u16 *vsi_map; 256 u16 vsi_map_offset; 257 u8 mapping_mode; 258 }; 259 260 struct ice_sw { 261 struct ice_pf *pf; 262 u16 sw_id; /* switch ID for this switch */ 263 u16 bridge_mode; /* VEB/VEPA/Port Virtualizer */ 264 }; 265 266 enum ice_pf_state { 267 ICE_TESTING, 268 ICE_DOWN, 269 ICE_NEEDS_RESTART, 270 ICE_PREPARED_FOR_RESET, /* set by driver when prepared */ 271 ICE_RESET_OICR_RECV, /* set by driver after rcv reset OICR */ 272 ICE_PFR_REQ, /* set by driver */ 273 ICE_CORER_REQ, /* set by driver */ 274 ICE_GLOBR_REQ, /* set by driver */ 275 ICE_CORER_RECV, /* set by OICR handler */ 276 ICE_GLOBR_RECV, /* set by OICR handler */ 277 ICE_EMPR_RECV, /* set by OICR handler */ 278 ICE_SUSPENDED, /* set on module remove path */ 279 ICE_RESET_FAILED, /* set by reset/rebuild */ 280 /* When checking for the PF to be in a nominal operating state, the 281 * bits that are grouped at the beginning of the list need to be 282 * checked. Bits occurring before ICE_STATE_NOMINAL_CHECK_BITS will 283 * be checked. If you need to add a bit into consideration for nominal 284 * operating state, it must be added before 285 * ICE_STATE_NOMINAL_CHECK_BITS. Do not move this entry's position 286 * without appropriate consideration. 287 */ 288 ICE_STATE_NOMINAL_CHECK_BITS, 289 ICE_ADMINQ_EVENT_PENDING, 290 ICE_MAILBOXQ_EVENT_PENDING, 291 ICE_SIDEBANDQ_EVENT_PENDING, 292 ICE_MDD_EVENT_PENDING, 293 ICE_VFLR_EVENT_PENDING, 294 ICE_FLTR_OVERFLOW_PROMISC, 295 ICE_VF_DIS, 296 ICE_CFG_BUSY, 297 ICE_SERVICE_SCHED, 298 ICE_SERVICE_DIS, 299 ICE_FD_FLUSH_REQ, 300 ICE_OICR_INTR_DIS, /* Global OICR interrupt disabled */ 301 ICE_MDD_VF_PRINT_PENDING, /* set when MDD event handle */ 302 ICE_VF_RESETS_DISABLED, /* disable resets during ice_remove */ 303 ICE_LINK_DEFAULT_OVERRIDE_PENDING, 304 ICE_PHY_INIT_COMPLETE, 305 ICE_FD_VF_FLUSH_CTX, /* set at FD Rx IRQ or timeout */ 306 ICE_AUX_ERR_PENDING, 307 ICE_STATE_NBITS /* must be last */ 308 }; 309 310 enum ice_vsi_state { 311 ICE_VSI_DOWN, 312 ICE_VSI_NEEDS_RESTART, 313 ICE_VSI_NETDEV_ALLOCD, 314 ICE_VSI_NETDEV_REGISTERED, 315 ICE_VSI_UMAC_FLTR_CHANGED, 316 ICE_VSI_MMAC_FLTR_CHANGED, 317 ICE_VSI_PROMISC_CHANGED, 318 ICE_VSI_REBUILD_PENDING, 319 ICE_VSI_STATE_NBITS /* must be last */ 320 }; 321 322 struct ice_vsi_stats { 323 struct ice_ring_stats **tx_ring_stats; /* Tx ring stats array */ 324 struct ice_ring_stats **rx_ring_stats; /* Rx ring stats array */ 325 }; 326 327 /* struct that defines a VSI, associated with a dev */ 328 struct ice_vsi { 329 struct net_device *netdev; 330 struct ice_sw *vsw; /* switch this VSI is on */ 331 struct ice_pf *back; /* back pointer to PF */ 332 struct ice_rx_ring **rx_rings; /* Rx ring array */ 333 struct ice_tx_ring **tx_rings; /* Tx ring array */ 334 struct ice_q_vector **q_vectors; /* q_vector array */ 335 336 irqreturn_t (*irq_handler)(int irq, void *data); 337 338 u64 tx_linearize; 339 DECLARE_BITMAP(state, ICE_VSI_STATE_NBITS); 340 unsigned int current_netdev_flags; 341 u32 tx_restart; 342 u32 tx_busy; 343 u32 rx_buf_failed; 344 u32 rx_page_failed; 345 u16 num_q_vectors; 346 /* tell if only dynamic irq allocation is allowed */ 347 bool irq_dyn_alloc; 348 349 u16 vsi_num; /* HW (absolute) index of this VSI */ 350 u16 idx; /* software index in pf->vsi[] */ 351 352 u16 num_gfltr; 353 u16 num_bfltr; 354 355 /* RSS config */ 356 u16 rss_table_size; /* HW RSS table size */ 357 u16 rss_size; /* Allocated RSS queues */ 358 u8 rss_hfunc; /* User configured hash type */ 359 u8 *rss_hkey_user; /* User configured hash keys */ 360 u8 *rss_lut_user; /* User configured lookup table entries */ 361 u8 rss_lut_type; /* used to configure Get/Set RSS LUT AQ call */ 362 363 /* aRFS members only allocated for the PF VSI */ 364 #define ICE_MAX_ARFS_LIST 1024 365 #define ICE_ARFS_LST_MASK (ICE_MAX_ARFS_LIST - 1) 366 struct hlist_head *arfs_fltr_list; 367 struct ice_arfs_active_fltr_cntrs *arfs_fltr_cntrs; 368 spinlock_t arfs_lock; /* protects aRFS hash table and filter state */ 369 atomic_t *arfs_last_fltr_id; 370 371 struct ice_aqc_vsi_props info; /* VSI properties */ 372 struct ice_vsi_vlan_info vlan_info; /* vlan config to be restored */ 373 374 /* VSI stats */ 375 struct rtnl_link_stats64 net_stats; 376 struct rtnl_link_stats64 net_stats_prev; 377 struct ice_eth_stats eth_stats; 378 struct ice_eth_stats eth_stats_prev; 379 380 struct list_head tmp_sync_list; /* MAC filters to be synced */ 381 struct list_head tmp_unsync_list; /* MAC filters to be unsynced */ 382 383 u8 irqs_ready:1; 384 u8 current_isup:1; /* Sync 'link up' logging */ 385 u8 stat_offsets_loaded:1; 386 struct ice_vsi_vlan_ops inner_vlan_ops; 387 struct ice_vsi_vlan_ops outer_vlan_ops; 388 u16 num_vlan; 389 390 /* queue information */ 391 u8 tx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */ 392 u8 rx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */ 393 u16 *txq_map; /* index in pf->avail_txqs */ 394 u16 *rxq_map; /* index in pf->avail_rxqs */ 395 u16 alloc_txq; /* Allocated Tx queues */ 396 u16 num_txq; /* Used Tx queues */ 397 u16 alloc_rxq; /* Allocated Rx queues */ 398 u16 num_rxq; /* Used Rx queues */ 399 u16 req_txq; /* User requested Tx queues */ 400 u16 req_rxq; /* User requested Rx queues */ 401 u16 num_rx_desc; 402 u16 num_tx_desc; 403 u16 qset_handle[ICE_MAX_TRAFFIC_CLASS]; 404 struct ice_tc_cfg tc_cfg; 405 struct bpf_prog *xdp_prog; 406 struct ice_tx_ring **xdp_rings; /* XDP ring array */ 407 u16 num_xdp_txq; /* Used XDP queues */ 408 u8 xdp_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */ 409 struct mutex xdp_state_lock; 410 411 struct net_device **target_netdevs; 412 413 struct tc_mqprio_qopt_offload mqprio_qopt; /* queue parameters */ 414 415 /* Channel Specific Fields */ 416 struct ice_vsi *tc_map_vsi[ICE_CHNL_MAX_TC]; 417 u16 cnt_q_avail; 418 u16 next_base_q; /* next queue to be used for channel setup */ 419 struct list_head ch_list; 420 u16 num_chnl_rxq; 421 u16 num_chnl_txq; 422 u16 ch_rss_size; 423 u16 num_chnl_fltr; 424 /* store away rss size info before configuring ADQ channels so that, 425 * it can be used after tc-qdisc delete, to get back RSS setting as 426 * they were before 427 */ 428 u16 orig_rss_size; 429 /* this keeps tracks of all enabled TC with and without DCB 430 * and inclusive of ADQ, vsi->mqprio_opt keeps track of queue 431 * information 432 */ 433 u8 all_numtc; 434 u16 all_enatc; 435 436 /* store away TC info, to be used for rebuild logic */ 437 u8 old_numtc; 438 u16 old_ena_tc; 439 440 /* setup back reference, to which aggregator node this VSI 441 * corresponds to 442 */ 443 struct ice_agg_node *agg_node; 444 445 struct_group_tagged(ice_vsi_cfg_params, params, 446 struct ice_port_info *port_info; /* back pointer to port_info */ 447 struct ice_channel *ch; /* VSI's channel structure, may be NULL */ 448 union { 449 /* VF associated with this VSI, may be NULL */ 450 struct ice_vf *vf; 451 /* SF associated with this VSI, may be NULL */ 452 struct ice_dynamic_port *sf; 453 }; 454 u32 flags; /* VSI flags used for rebuild and configuration */ 455 enum ice_vsi_type type; /* the type of the VSI */ 456 ); 457 } ____cacheline_internodealigned_in_smp; 458 459 /* struct that defines an interrupt vector */ 460 struct ice_q_vector { 461 struct ice_vsi *vsi; 462 463 u16 v_idx; /* index in the vsi->q_vector array. */ 464 u16 reg_idx; /* PF relative register index */ 465 u8 num_ring_rx; /* total number of Rx rings in vector */ 466 u8 num_ring_tx; /* total number of Tx rings in vector */ 467 u8 wb_on_itr:1; /* if true, WB on ITR is enabled */ 468 /* in usecs, need to use ice_intrl_to_usecs_reg() before writing this 469 * value to the device 470 */ 471 u8 intrl; 472 473 struct napi_struct napi; 474 475 struct ice_ring_container rx; 476 struct ice_ring_container tx; 477 478 cpumask_t affinity_mask; 479 struct irq_affinity_notify affinity_notify; 480 481 struct ice_channel *ch; 482 483 char name[ICE_INT_NAME_STR_LEN]; 484 485 u16 total_events; /* net_dim(): number of interrupts processed */ 486 u16 vf_reg_idx; /* VF relative register index */ 487 struct msi_map irq; 488 } ____cacheline_internodealigned_in_smp; 489 490 enum ice_pf_flags { 491 ICE_FLAG_FLTR_SYNC, 492 ICE_FLAG_RDMA_ENA, 493 ICE_FLAG_RSS_ENA, 494 ICE_FLAG_SRIOV_ENA, 495 ICE_FLAG_SRIOV_CAPABLE, 496 ICE_FLAG_DCB_CAPABLE, 497 ICE_FLAG_DCB_ENA, 498 ICE_FLAG_FD_ENA, 499 ICE_FLAG_PTP_SUPPORTED, /* PTP is supported by NVM */ 500 ICE_FLAG_ADV_FEATURES, 501 ICE_FLAG_TC_MQPRIO, /* support for Multi queue TC */ 502 ICE_FLAG_CLS_FLOWER, 503 ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, 504 ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, 505 ICE_FLAG_NO_MEDIA, 506 ICE_FLAG_FW_LLDP_AGENT, 507 ICE_FLAG_MOD_POWER_UNSUPPORTED, 508 ICE_FLAG_PHY_FW_LOAD_FAILED, 509 ICE_FLAG_ETHTOOL_CTXT, /* set when ethtool holds RTNL lock */ 510 ICE_FLAG_LEGACY_RX, 511 ICE_FLAG_VF_TRUE_PROMISC_ENA, 512 ICE_FLAG_MDD_AUTO_RESET_VF, 513 ICE_FLAG_VF_VLAN_PRUNING, 514 ICE_FLAG_LINK_LENIENT_MODE_ENA, 515 ICE_FLAG_PLUG_AUX_DEV, 516 ICE_FLAG_UNPLUG_AUX_DEV, 517 ICE_FLAG_MTU_CHANGED, 518 ICE_FLAG_GNSS, /* GNSS successfully initialized */ 519 ICE_FLAG_DPLL, /* SyncE/PTP dplls initialized */ 520 ICE_PF_FLAGS_NBITS /* must be last */ 521 }; 522 523 enum ice_misc_thread_tasks { 524 ICE_MISC_THREAD_TX_TSTAMP, 525 ICE_MISC_THREAD_NBITS /* must be last */ 526 }; 527 528 struct ice_eswitch { 529 struct ice_vsi *uplink_vsi; 530 struct ice_esw_br_offloads *br_offloads; 531 struct xarray reprs; 532 bool is_running; 533 }; 534 535 struct ice_agg_node { 536 u32 agg_id; 537 #define ICE_MAX_VSIS_IN_AGG_NODE 64 538 u32 num_vsis; 539 u8 valid; 540 }; 541 542 struct ice_pf_msix { 543 u32 cur; 544 u32 min; 545 u32 max; 546 u32 total; 547 u32 rest; 548 }; 549 550 struct ice_pf { 551 struct pci_dev *pdev; 552 struct ice_adapter *adapter; 553 554 struct devlink_region *nvm_region; 555 struct devlink_region *sram_region; 556 struct devlink_region *devcaps_region; 557 558 /* devlink port data */ 559 struct devlink_port devlink_port; 560 561 /* OS reserved IRQ details */ 562 struct msix_entry *msix_entries; 563 struct ice_irq_tracker irq_tracker; 564 struct ice_virt_irq_tracker virt_irq_tracker; 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 struct ice_pf_msix msix; 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 struct ice_health health_reporters; 669 670 u8 num_quanta_prof_used; 671 }; 672 673 extern struct workqueue_struct *ice_lag_wq; 674 675 struct ice_netdev_priv { 676 struct ice_vsi *vsi; 677 struct ice_repr *repr; 678 /* indirect block callbacks on registered higher level devices 679 * (e.g. tunnel devices) 680 * 681 * tc_indr_block_cb_priv_list is used to look up indirect callback 682 * private data 683 */ 684 struct list_head tc_indr_block_priv_list; 685 }; 686 687 /** 688 * ice_vector_ch_enabled 689 * @qv: pointer to q_vector, can be NULL 690 * 691 * This function returns true if vector is channel enabled otherwise false 692 */ 693 static inline bool ice_vector_ch_enabled(struct ice_q_vector *qv) 694 { 695 return !!qv->ch; /* Enable it to run with TC */ 696 } 697 698 /** 699 * ice_ptp_pf_handles_tx_interrupt - Check if PF handles Tx interrupt 700 * @pf: Board private structure 701 * 702 * Return true if this PF should respond to the Tx timestamp interrupt 703 * indication in the miscellaneous OICR interrupt handler. 704 */ 705 static inline bool ice_ptp_pf_handles_tx_interrupt(struct ice_pf *pf) 706 { 707 return pf->ptp.tx_interrupt_mode != ICE_PTP_TX_INTERRUPT_NONE; 708 } 709 710 /** 711 * ice_irq_dynamic_ena - Enable default interrupt generation settings 712 * @hw: pointer to HW struct 713 * @vsi: pointer to VSI struct, can be NULL 714 * @q_vector: pointer to q_vector, can be NULL 715 */ 716 static inline void 717 ice_irq_dynamic_ena(struct ice_hw *hw, struct ice_vsi *vsi, 718 struct ice_q_vector *q_vector) 719 { 720 u32 vector = (vsi && q_vector) ? q_vector->reg_idx : 721 ((struct ice_pf *)hw->back)->oicr_irq.index; 722 int itr = ICE_ITR_NONE; 723 u32 val; 724 725 /* clear the PBA here, as this function is meant to clean out all 726 * previous interrupts and enable the interrupt 727 */ 728 val = GLINT_DYN_CTL_INTENA_M | GLINT_DYN_CTL_CLEARPBA_M | 729 (itr << GLINT_DYN_CTL_ITR_INDX_S); 730 if (vsi) 731 if (test_bit(ICE_VSI_DOWN, vsi->state)) 732 return; 733 wr32(hw, GLINT_DYN_CTL(vector), val); 734 } 735 736 /** 737 * ice_netdev_to_pf - Retrieve the PF struct associated with a netdev 738 * @netdev: pointer to the netdev struct 739 */ 740 static inline struct ice_pf *ice_netdev_to_pf(struct net_device *netdev) 741 { 742 struct ice_netdev_priv *np = netdev_priv(netdev); 743 744 return np->vsi->back; 745 } 746 747 static inline bool ice_is_xdp_ena_vsi(struct ice_vsi *vsi) 748 { 749 return !!READ_ONCE(vsi->xdp_prog); 750 } 751 752 static inline void ice_set_ring_xdp(struct ice_tx_ring *ring) 753 { 754 ring->flags |= ICE_TX_FLAGS_RING_XDP; 755 } 756 757 /** 758 * ice_get_xp_from_qid - get ZC XSK buffer pool bound to a queue ID 759 * @vsi: pointer to VSI 760 * @qid: index of a queue to look at XSK buff pool presence 761 * 762 * Return: A pointer to xsk_buff_pool structure if there is a buffer pool 763 * attached and configured as zero-copy, NULL otherwise. 764 */ 765 static inline struct xsk_buff_pool *ice_get_xp_from_qid(struct ice_vsi *vsi, 766 u16 qid) 767 { 768 struct xsk_buff_pool *pool = xsk_get_pool_from_qid(vsi->netdev, qid); 769 770 if (!ice_is_xdp_ena_vsi(vsi)) 771 return NULL; 772 773 return (pool && pool->dev) ? pool : NULL; 774 } 775 776 /** 777 * ice_rx_xsk_pool - assign XSK buff pool to Rx ring 778 * @ring: Rx ring to use 779 * 780 * Sets XSK buff pool pointer on Rx ring. 781 */ 782 static inline void ice_rx_xsk_pool(struct ice_rx_ring *ring) 783 { 784 struct ice_vsi *vsi = ring->vsi; 785 u16 qid = ring->q_index; 786 787 WRITE_ONCE(ring->xsk_pool, ice_get_xp_from_qid(vsi, qid)); 788 } 789 790 /** 791 * ice_tx_xsk_pool - assign XSK buff pool to XDP ring 792 * @vsi: pointer to VSI 793 * @qid: index of a queue to look at XSK buff pool presence 794 * 795 * Sets XSK buff pool pointer on XDP ring. 796 * 797 * XDP ring is picked from Rx ring, whereas Rx ring is picked based on provided 798 * queue id. Reason for doing so is that queue vectors might have assigned more 799 * than one XDP ring, e.g. when user reduced the queue count on netdev; Rx ring 800 * carries a pointer to one of these XDP rings for its own purposes, such as 801 * handling XDP_TX action, therefore we can piggyback here on the 802 * rx_ring->xdp_ring assignment that was done during XDP rings initialization. 803 */ 804 static inline void ice_tx_xsk_pool(struct ice_vsi *vsi, u16 qid) 805 { 806 struct ice_tx_ring *ring; 807 808 ring = vsi->rx_rings[qid]->xdp_ring; 809 if (!ring) 810 return; 811 812 WRITE_ONCE(ring->xsk_pool, ice_get_xp_from_qid(vsi, qid)); 813 } 814 815 /** 816 * ice_get_main_vsi - Get the PF VSI 817 * @pf: PF instance 818 * 819 * returns pf->vsi[0], which by definition is the PF VSI 820 */ 821 static inline struct ice_vsi *ice_get_main_vsi(struct ice_pf *pf) 822 { 823 if (pf->vsi) 824 return pf->vsi[0]; 825 826 return NULL; 827 } 828 829 /** 830 * ice_get_netdev_priv_vsi - return VSI associated with netdev priv. 831 * @np: private netdev structure 832 */ 833 static inline struct ice_vsi *ice_get_netdev_priv_vsi(struct ice_netdev_priv *np) 834 { 835 /* In case of port representor return source port VSI. */ 836 if (np->repr) 837 return np->repr->src_vsi; 838 else 839 return np->vsi; 840 } 841 842 /** 843 * ice_get_ctrl_vsi - Get the control VSI 844 * @pf: PF instance 845 */ 846 static inline struct ice_vsi *ice_get_ctrl_vsi(struct ice_pf *pf) 847 { 848 /* if pf->ctrl_vsi_idx is ICE_NO_VSI, control VSI was not set up */ 849 if (!pf->vsi || pf->ctrl_vsi_idx == ICE_NO_VSI) 850 return NULL; 851 852 return pf->vsi[pf->ctrl_vsi_idx]; 853 } 854 855 /** 856 * ice_find_vsi - Find the VSI from VSI ID 857 * @pf: The PF pointer to search in 858 * @vsi_num: The VSI ID to search for 859 */ 860 static inline struct ice_vsi *ice_find_vsi(struct ice_pf *pf, u16 vsi_num) 861 { 862 int i; 863 864 ice_for_each_vsi(pf, i) 865 if (pf->vsi[i] && pf->vsi[i]->vsi_num == vsi_num) 866 return pf->vsi[i]; 867 return NULL; 868 } 869 870 /** 871 * ice_is_switchdev_running - check if switchdev is configured 872 * @pf: pointer to PF structure 873 * 874 * Returns true if eswitch mode is set to DEVLINK_ESWITCH_MODE_SWITCHDEV 875 * and switchdev is configured, false otherwise. 876 */ 877 static inline bool ice_is_switchdev_running(struct ice_pf *pf) 878 { 879 return pf->eswitch.is_running; 880 } 881 882 #define ICE_FD_STAT_CTR_BLOCK_COUNT 256 883 #define ICE_FD_STAT_PF_IDX(base_idx) \ 884 ((base_idx) * ICE_FD_STAT_CTR_BLOCK_COUNT) 885 #define ICE_FD_SB_STAT_IDX(base_idx) ICE_FD_STAT_PF_IDX(base_idx) 886 #define ICE_FD_STAT_CH 1 887 #define ICE_FD_CH_STAT_IDX(base_idx) \ 888 (ICE_FD_STAT_PF_IDX(base_idx) + ICE_FD_STAT_CH) 889 890 /** 891 * ice_is_adq_active - any active ADQs 892 * @pf: pointer to PF 893 * 894 * This function returns true if there are any ADQs configured (which is 895 * determined by looking at VSI type (which should be VSI_PF), numtc, and 896 * TC_MQPRIO flag) otherwise return false 897 */ 898 static inline bool ice_is_adq_active(struct ice_pf *pf) 899 { 900 struct ice_vsi *vsi; 901 902 vsi = ice_get_main_vsi(pf); 903 if (!vsi) 904 return false; 905 906 /* is ADQ configured */ 907 if (vsi->tc_cfg.numtc > ICE_CHNL_START_TC && 908 test_bit(ICE_FLAG_TC_MQPRIO, pf->flags)) 909 return true; 910 911 return false; 912 } 913 914 void ice_debugfs_fwlog_init(struct ice_pf *pf); 915 void ice_debugfs_pf_deinit(struct ice_pf *pf); 916 void ice_debugfs_init(void); 917 void ice_debugfs_exit(void); 918 void ice_pf_fwlog_update_module(struct ice_pf *pf, int log_level, int module); 919 920 bool netif_is_ice(const struct net_device *dev); 921 int ice_vsi_setup_tx_rings(struct ice_vsi *vsi); 922 int ice_vsi_setup_rx_rings(struct ice_vsi *vsi); 923 int ice_vsi_open_ctrl(struct ice_vsi *vsi); 924 int ice_vsi_open(struct ice_vsi *vsi); 925 void ice_set_ethtool_ops(struct net_device *netdev); 926 void ice_set_ethtool_repr_ops(struct net_device *netdev); 927 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev); 928 void ice_set_ethtool_sf_ops(struct net_device *netdev); 929 u16 ice_get_avail_txq_count(struct ice_pf *pf); 930 u16 ice_get_avail_rxq_count(struct ice_pf *pf); 931 int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx, bool locked); 932 void ice_update_vsi_stats(struct ice_vsi *vsi); 933 void ice_update_pf_stats(struct ice_pf *pf); 934 void 935 ice_fetch_u64_stats_per_ring(struct u64_stats_sync *syncp, 936 struct ice_q_stats stats, u64 *pkts, u64 *bytes); 937 int ice_up(struct ice_vsi *vsi); 938 int ice_down(struct ice_vsi *vsi); 939 int ice_down_up(struct ice_vsi *vsi); 940 int ice_vsi_cfg_lan(struct ice_vsi *vsi); 941 struct ice_vsi *ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi); 942 943 enum ice_xdp_cfg { 944 ICE_XDP_CFG_FULL, /* Fully apply new config in .ndo_bpf() */ 945 ICE_XDP_CFG_PART, /* Save/use part of config in VSI rebuild */ 946 }; 947 948 int ice_vsi_determine_xdp_res(struct ice_vsi *vsi); 949 int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog, 950 enum ice_xdp_cfg cfg_type); 951 int ice_destroy_xdp_rings(struct ice_vsi *vsi, enum ice_xdp_cfg cfg_type); 952 void ice_map_xdp_rings(struct ice_vsi *vsi); 953 int 954 ice_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames, 955 u32 flags); 956 int ice_set_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size); 957 int ice_get_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size); 958 int ice_set_rss_key(struct ice_vsi *vsi, u8 *seed); 959 int ice_get_rss_key(struct ice_vsi *vsi, u8 *seed); 960 int ice_set_rss_hfunc(struct ice_vsi *vsi, u8 hfunc); 961 void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size); 962 int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset); 963 void ice_print_link_msg(struct ice_vsi *vsi, bool isup); 964 int ice_plug_aux_dev(struct ice_pf *pf); 965 void ice_unplug_aux_dev(struct ice_pf *pf); 966 int ice_init_rdma(struct ice_pf *pf); 967 void ice_deinit_rdma(struct ice_pf *pf); 968 const char *ice_aq_str(enum ice_aq_err aq_err); 969 bool ice_is_wol_supported(struct ice_hw *hw); 970 void ice_fdir_del_all_fltrs(struct ice_vsi *vsi); 971 int 972 ice_fdir_write_fltr(struct ice_pf *pf, struct ice_fdir_fltr *input, bool add, 973 bool is_tun); 974 void ice_vsi_manage_fdir(struct ice_vsi *vsi, bool ena); 975 int ice_add_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd); 976 int ice_del_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd); 977 int ice_get_ethtool_fdir_entry(struct ice_hw *hw, struct ethtool_rxnfc *cmd); 978 int 979 ice_get_fdir_fltr_ids(struct ice_hw *hw, struct ethtool_rxnfc *cmd, 980 u32 *rule_locs); 981 void ice_fdir_rem_adq_chnl(struct ice_hw *hw, u16 vsi_idx); 982 void ice_fdir_release_flows(struct ice_hw *hw); 983 void ice_fdir_replay_flows(struct ice_hw *hw); 984 void ice_fdir_replay_fltrs(struct ice_pf *pf); 985 int ice_fdir_create_dflt_rules(struct ice_pf *pf); 986 987 enum ice_aq_task_state { 988 ICE_AQ_TASK_NOT_PREPARED, 989 ICE_AQ_TASK_WAITING, 990 ICE_AQ_TASK_COMPLETE, 991 ICE_AQ_TASK_CANCELED, 992 }; 993 994 struct ice_aq_task { 995 struct hlist_node entry; 996 struct ice_rq_event_info event; 997 enum ice_aq_task_state state; 998 u16 opcode; 999 }; 1000 1001 void ice_aq_prep_for_event(struct ice_pf *pf, struct ice_aq_task *task, 1002 u16 opcode); 1003 int ice_aq_wait_for_event(struct ice_pf *pf, struct ice_aq_task *task, 1004 unsigned long timeout); 1005 int ice_open(struct net_device *netdev); 1006 int ice_open_internal(struct net_device *netdev); 1007 int ice_stop(struct net_device *netdev); 1008 void ice_service_task_schedule(struct ice_pf *pf); 1009 int ice_load(struct ice_pf *pf); 1010 void ice_unload(struct ice_pf *pf); 1011 void ice_adv_lnk_speed_maps_init(void); 1012 int ice_init_dev(struct ice_pf *pf); 1013 void ice_deinit_dev(struct ice_pf *pf); 1014 int ice_change_mtu(struct net_device *netdev, int new_mtu); 1015 void ice_tx_timeout(struct net_device *netdev, unsigned int txqueue); 1016 int ice_xdp(struct net_device *dev, struct netdev_bpf *xdp); 1017 void ice_set_netdev_features(struct net_device *netdev); 1018 int ice_vlan_rx_add_vid(struct net_device *netdev, __be16 proto, u16 vid); 1019 int ice_vlan_rx_kill_vid(struct net_device *netdev, __be16 proto, u16 vid); 1020 void ice_get_stats64(struct net_device *netdev, 1021 struct rtnl_link_stats64 *stats); 1022 1023 /** 1024 * ice_set_rdma_cap - enable RDMA support 1025 * @pf: PF struct 1026 */ 1027 static inline void ice_set_rdma_cap(struct ice_pf *pf) 1028 { 1029 if (pf->hw.func_caps.common_cap.rdma && pf->num_rdma_msix) { 1030 set_bit(ICE_FLAG_RDMA_ENA, pf->flags); 1031 set_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags); 1032 } 1033 } 1034 1035 /** 1036 * ice_clear_rdma_cap - disable RDMA support 1037 * @pf: PF struct 1038 */ 1039 static inline void ice_clear_rdma_cap(struct ice_pf *pf) 1040 { 1041 /* defer unplug to service task to avoid RTNL lock and 1042 * clear PLUG bit so that pending plugs don't interfere 1043 */ 1044 clear_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags); 1045 set_bit(ICE_FLAG_UNPLUG_AUX_DEV, pf->flags); 1046 clear_bit(ICE_FLAG_RDMA_ENA, pf->flags); 1047 } 1048 1049 extern const struct xdp_metadata_ops ice_xdp_md_ops; 1050 #endif /* _ICE_H_ */ 1051