1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright (c) 2018, Intel Corporation. */ 3 4 #ifndef _ICE_H_ 5 #define _ICE_H_ 6 7 #include <linux/types.h> 8 #include <linux/errno.h> 9 #include <linux/kernel.h> 10 #include <linux/module.h> 11 #include <linux/firmware.h> 12 #include <linux/netdevice.h> 13 #include <linux/compiler.h> 14 #include <linux/etherdevice.h> 15 #include <linux/skbuff.h> 16 #include <linux/cpumask.h> 17 #include <linux/rtnetlink.h> 18 #include <linux/if_vlan.h> 19 #include <linux/dma-mapping.h> 20 #include <linux/pci.h> 21 #include <linux/workqueue.h> 22 #include <linux/wait.h> 23 #include <linux/interrupt.h> 24 #include <linux/ethtool.h> 25 #include <linux/timer.h> 26 #include <linux/delay.h> 27 #include <linux/bitmap.h> 28 #include <linux/log2.h> 29 #include <linux/ip.h> 30 #include <linux/sctp.h> 31 #include <linux/ipv6.h> 32 #include <linux/pkt_sched.h> 33 #include <linux/if_bridge.h> 34 #include <linux/ctype.h> 35 #include <linux/linkmode.h> 36 #include <linux/bpf.h> 37 #include <linux/btf.h> 38 #include <linux/auxiliary_bus.h> 39 #include <linux/avf/virtchnl.h> 40 #include <linux/cpu_rmap.h> 41 #include <linux/dim.h> 42 #include <linux/gnss.h> 43 #include <net/pkt_cls.h> 44 #include <net/pkt_sched.h> 45 #include <net/tc_act/tc_mirred.h> 46 #include <net/tc_act/tc_gact.h> 47 #include <net/ip.h> 48 #include <net/devlink.h> 49 #include <net/ipv6.h> 50 #include <net/xdp_sock.h> 51 #include <net/xdp_sock_drv.h> 52 #include <net/geneve.h> 53 #include <net/gre.h> 54 #include <net/udp_tunnel.h> 55 #include <net/vxlan.h> 56 #include <net/gtp.h> 57 #include <linux/ppp_defs.h> 58 #include "ice_devids.h" 59 #include "ice_type.h" 60 #include "ice_txrx.h" 61 #include "ice_dcb.h" 62 #include "ice_switch.h" 63 #include "ice_common.h" 64 #include "ice_flow.h" 65 #include "ice_sched.h" 66 #include "ice_idc_int.h" 67 #include "ice_sriov.h" 68 #include "ice_vf_mbx.h" 69 #include "ice_ptp.h" 70 #include "ice_fdir.h" 71 #include "ice_xsk.h" 72 #include "ice_arfs.h" 73 #include "ice_repr.h" 74 #include "ice_eswitch.h" 75 #include "ice_lag.h" 76 #include "ice_vsi_vlan_ops.h" 77 #include "ice_gnss.h" 78 #include "ice_irq.h" 79 80 #define ICE_BAR0 0 81 #define ICE_REQ_DESC_MULTIPLE 32 82 #define ICE_MIN_NUM_DESC 64 83 #define ICE_MAX_NUM_DESC 8160 84 #define ICE_DFLT_MIN_RX_DESC 512 85 #define ICE_DFLT_NUM_TX_DESC 256 86 #define ICE_DFLT_NUM_RX_DESC 2048 87 88 #define ICE_DFLT_TRAFFIC_CLASS BIT(0) 89 #define ICE_INT_NAME_STR_LEN (IFNAMSIZ + 16) 90 #define ICE_AQ_LEN 192 91 #define ICE_MBXSQ_LEN 64 92 #define ICE_SBQ_LEN 64 93 #define ICE_MIN_LAN_TXRX_MSIX 1 94 #define ICE_MIN_LAN_OICR_MSIX 1 95 #define ICE_MIN_MSIX (ICE_MIN_LAN_TXRX_MSIX + ICE_MIN_LAN_OICR_MSIX) 96 #define ICE_FDIR_MSIX 2 97 #define ICE_RDMA_NUM_AEQ_MSIX 4 98 #define ICE_MIN_RDMA_MSIX 2 99 #define ICE_ESWITCH_MSIX 1 100 #define ICE_NO_VSI 0xffff 101 #define ICE_VSI_MAP_CONTIG 0 102 #define ICE_VSI_MAP_SCATTER 1 103 #define ICE_MAX_SCATTER_TXQS 16 104 #define ICE_MAX_SCATTER_RXQS 16 105 #define ICE_Q_WAIT_RETRY_LIMIT 10 106 #define ICE_Q_WAIT_MAX_RETRY (5 * ICE_Q_WAIT_RETRY_LIMIT) 107 #define ICE_MAX_LG_RSS_QS 256 108 #define ICE_INVAL_Q_INDEX 0xffff 109 110 #define ICE_MAX_RXQS_PER_TC 256 /* Used when setting VSI context per TC Rx queues */ 111 112 #define ICE_CHNL_START_TC 1 113 114 #define ICE_MAX_RESET_WAIT 20 115 116 #define ICE_VSIQF_HKEY_ARRAY_SIZE ((VSIQF_HKEY_MAX_INDEX + 1) * 4) 117 118 #define ICE_DFLT_NETIF_M (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK) 119 120 #define ICE_MAX_MTU (ICE_AQ_SET_MAC_FRAME_SIZE_MAX - ICE_ETH_PKT_HDR_PAD) 121 122 #define ICE_MAX_TSO_SIZE 131072 123 124 #define ICE_UP_TABLE_TRANSLATE(val, i) \ 125 (((val) << ICE_AQ_VSI_UP_TABLE_UP##i##_S) & \ 126 ICE_AQ_VSI_UP_TABLE_UP##i##_M) 127 128 #define ICE_TX_DESC(R, i) (&(((struct ice_tx_desc *)((R)->desc))[i])) 129 #define ICE_RX_DESC(R, i) (&(((union ice_32b_rx_flex_desc *)((R)->desc))[i])) 130 #define ICE_TX_CTX_DESC(R, i) (&(((struct ice_tx_ctx_desc *)((R)->desc))[i])) 131 #define ICE_TX_FDIRDESC(R, i) (&(((struct ice_fltr_desc *)((R)->desc))[i])) 132 133 /* Minimum BW limit is 500 Kbps for any scheduler node */ 134 #define ICE_MIN_BW_LIMIT 500 135 /* User can specify BW in either Kbit/Mbit/Gbit and OS converts it in bytes. 136 * use it to convert user specified BW limit into Kbps 137 */ 138 #define ICE_BW_KBPS_DIVISOR 125 139 140 /* Default recipes have priority 4 and below, hence priority values between 5..7 141 * can be used as filter priority for advanced switch filter (advanced switch 142 * filters need new recipe to be created for specified extraction sequence 143 * because default recipe extraction sequence does not represent custom 144 * extraction) 145 */ 146 #define ICE_SWITCH_FLTR_PRIO_QUEUE 7 147 /* prio 6 is reserved for future use (e.g. switch filter with L3 fields + 148 * (Optional: IP TOS/TTL) + L4 fields + (optionally: TCP fields such as 149 * SYN/FIN/RST)) 150 */ 151 #define ICE_SWITCH_FLTR_PRIO_RSVD 6 152 #define ICE_SWITCH_FLTR_PRIO_VSI 5 153 #define ICE_SWITCH_FLTR_PRIO_QGRP ICE_SWITCH_FLTR_PRIO_VSI 154 155 /* Macro for each VSI in a PF */ 156 #define ice_for_each_vsi(pf, i) \ 157 for ((i) = 0; (i) < (pf)->num_alloc_vsi; (i)++) 158 159 /* Macros for each Tx/Xdp/Rx ring in a VSI */ 160 #define ice_for_each_txq(vsi, i) \ 161 for ((i) = 0; (i) < (vsi)->num_txq; (i)++) 162 163 #define ice_for_each_xdp_txq(vsi, i) \ 164 for ((i) = 0; (i) < (vsi)->num_xdp_txq; (i)++) 165 166 #define ice_for_each_rxq(vsi, i) \ 167 for ((i) = 0; (i) < (vsi)->num_rxq; (i)++) 168 169 /* Macros for each allocated Tx/Rx ring whether used or not in a VSI */ 170 #define ice_for_each_alloc_txq(vsi, i) \ 171 for ((i) = 0; (i) < (vsi)->alloc_txq; (i)++) 172 173 #define ice_for_each_alloc_rxq(vsi, i) \ 174 for ((i) = 0; (i) < (vsi)->alloc_rxq; (i)++) 175 176 #define ice_for_each_q_vector(vsi, i) \ 177 for ((i) = 0; (i) < (vsi)->num_q_vectors; (i)++) 178 179 #define ice_for_each_chnl_tc(i) \ 180 for ((i) = ICE_CHNL_START_TC; (i) < ICE_CHNL_MAX_TC; (i)++) 181 182 #define ICE_UCAST_PROMISC_BITS (ICE_PROMISC_UCAST_TX | ICE_PROMISC_UCAST_RX) 183 184 #define ICE_UCAST_VLAN_PROMISC_BITS (ICE_PROMISC_UCAST_TX | \ 185 ICE_PROMISC_UCAST_RX | \ 186 ICE_PROMISC_VLAN_TX | \ 187 ICE_PROMISC_VLAN_RX) 188 189 #define ICE_MCAST_PROMISC_BITS (ICE_PROMISC_MCAST_TX | ICE_PROMISC_MCAST_RX) 190 191 #define ICE_MCAST_VLAN_PROMISC_BITS (ICE_PROMISC_MCAST_TX | \ 192 ICE_PROMISC_MCAST_RX | \ 193 ICE_PROMISC_VLAN_TX | \ 194 ICE_PROMISC_VLAN_RX) 195 196 #define ice_pf_to_dev(pf) (&((pf)->pdev->dev)) 197 198 enum ice_feature { 199 ICE_F_DSCP, 200 ICE_F_PTP_EXTTS, 201 ICE_F_SMA_CTRL, 202 ICE_F_GNSS, 203 ICE_F_ROCE_LAG, 204 ICE_F_SRIOV_LAG, 205 ICE_F_MAX 206 }; 207 208 DECLARE_STATIC_KEY_FALSE(ice_xdp_locking_key); 209 210 struct ice_channel { 211 struct list_head list; 212 u8 type; 213 u16 sw_id; 214 u16 base_q; 215 u16 num_rxq; 216 u16 num_txq; 217 u16 vsi_num; 218 u8 ena_tc; 219 struct ice_aqc_vsi_props info; 220 u64 max_tx_rate; 221 u64 min_tx_rate; 222 atomic_t num_sb_fltr; 223 struct ice_vsi *ch_vsi; 224 }; 225 226 struct ice_txq_meta { 227 u32 q_teid; /* Tx-scheduler element identifier */ 228 u16 q_id; /* Entry in VSI's txq_map bitmap */ 229 u16 q_handle; /* Relative index of Tx queue within TC */ 230 u16 vsi_idx; /* VSI index that Tx queue belongs to */ 231 u8 tc; /* TC number that Tx queue belongs to */ 232 }; 233 234 struct ice_tc_info { 235 u16 qoffset; 236 u16 qcount_tx; 237 u16 qcount_rx; 238 u8 netdev_tc; 239 }; 240 241 struct ice_tc_cfg { 242 u8 numtc; /* Total number of enabled TCs */ 243 u16 ena_tc; /* Tx map */ 244 struct ice_tc_info tc_info[ICE_MAX_TRAFFIC_CLASS]; 245 }; 246 247 struct ice_qs_cfg { 248 struct mutex *qs_mutex; /* will be assigned to &pf->avail_q_mutex */ 249 unsigned long *pf_map; 250 unsigned long pf_map_size; 251 unsigned int q_count; 252 unsigned int scatter_count; 253 u16 *vsi_map; 254 u16 vsi_map_offset; 255 u8 mapping_mode; 256 }; 257 258 struct ice_sw { 259 struct ice_pf *pf; 260 u16 sw_id; /* switch ID for this switch */ 261 u16 bridge_mode; /* VEB/VEPA/Port Virtualizer */ 262 }; 263 264 enum ice_pf_state { 265 ICE_TESTING, 266 ICE_DOWN, 267 ICE_NEEDS_RESTART, 268 ICE_PREPARED_FOR_RESET, /* set by driver when prepared */ 269 ICE_RESET_OICR_RECV, /* set by driver after rcv reset OICR */ 270 ICE_PFR_REQ, /* set by driver */ 271 ICE_CORER_REQ, /* set by driver */ 272 ICE_GLOBR_REQ, /* set by driver */ 273 ICE_CORER_RECV, /* set by OICR handler */ 274 ICE_GLOBR_RECV, /* set by OICR handler */ 275 ICE_EMPR_RECV, /* set by OICR handler */ 276 ICE_SUSPENDED, /* set on module remove path */ 277 ICE_RESET_FAILED, /* set by reset/rebuild */ 278 /* When checking for the PF to be in a nominal operating state, the 279 * bits that are grouped at the beginning of the list need to be 280 * checked. Bits occurring before ICE_STATE_NOMINAL_CHECK_BITS will 281 * be checked. If you need to add a bit into consideration for nominal 282 * operating state, it must be added before 283 * ICE_STATE_NOMINAL_CHECK_BITS. Do not move this entry's position 284 * without appropriate consideration. 285 */ 286 ICE_STATE_NOMINAL_CHECK_BITS, 287 ICE_ADMINQ_EVENT_PENDING, 288 ICE_MAILBOXQ_EVENT_PENDING, 289 ICE_SIDEBANDQ_EVENT_PENDING, 290 ICE_MDD_EVENT_PENDING, 291 ICE_VFLR_EVENT_PENDING, 292 ICE_FLTR_OVERFLOW_PROMISC, 293 ICE_VF_DIS, 294 ICE_CFG_BUSY, 295 ICE_SERVICE_SCHED, 296 ICE_SERVICE_DIS, 297 ICE_FD_FLUSH_REQ, 298 ICE_OICR_INTR_DIS, /* Global OICR interrupt disabled */ 299 ICE_MDD_VF_PRINT_PENDING, /* set when MDD event handle */ 300 ICE_VF_RESETS_DISABLED, /* disable resets during ice_remove */ 301 ICE_LINK_DEFAULT_OVERRIDE_PENDING, 302 ICE_PHY_INIT_COMPLETE, 303 ICE_FD_VF_FLUSH_CTX, /* set at FD Rx IRQ or timeout */ 304 ICE_AUX_ERR_PENDING, 305 ICE_STATE_NBITS /* must be last */ 306 }; 307 308 enum ice_vsi_state { 309 ICE_VSI_DOWN, 310 ICE_VSI_NEEDS_RESTART, 311 ICE_VSI_NETDEV_ALLOCD, 312 ICE_VSI_NETDEV_REGISTERED, 313 ICE_VSI_UMAC_FLTR_CHANGED, 314 ICE_VSI_MMAC_FLTR_CHANGED, 315 ICE_VSI_PROMISC_CHANGED, 316 ICE_VSI_REBUILD_PENDING, 317 ICE_VSI_STATE_NBITS /* must be last */ 318 }; 319 320 struct ice_vsi_stats { 321 struct ice_ring_stats **tx_ring_stats; /* Tx ring stats array */ 322 struct ice_ring_stats **rx_ring_stats; /* Rx ring stats array */ 323 }; 324 325 /* struct that defines a VSI, associated with a dev */ 326 struct ice_vsi { 327 struct net_device *netdev; 328 struct ice_sw *vsw; /* switch this VSI is on */ 329 struct ice_pf *back; /* back pointer to PF */ 330 struct ice_port_info *port_info; /* back pointer to port_info */ 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 enum ice_vsi_type type; 349 u16 vsi_num; /* HW (absolute) index of this VSI */ 350 u16 idx; /* software index in pf->vsi[] */ 351 352 struct ice_vf *vf; /* VF associated with this VSI */ 353 354 u16 num_gfltr; 355 u16 num_bfltr; 356 357 /* RSS config */ 358 u16 rss_table_size; /* HW RSS table size */ 359 u16 rss_size; /* Allocated RSS queues */ 360 u8 *rss_hkey_user; /* User configured hash keys */ 361 u8 *rss_lut_user; /* User configured lookup table entries */ 362 u8 rss_lut_type; /* used to configure Get/Set RSS LUT AQ call */ 363 364 /* aRFS members only allocated for the PF VSI */ 365 #define ICE_MAX_ARFS_LIST 1024 366 #define ICE_ARFS_LST_MASK (ICE_MAX_ARFS_LIST - 1) 367 struct hlist_head *arfs_fltr_list; 368 struct ice_arfs_active_fltr_cntrs *arfs_fltr_cntrs; 369 spinlock_t arfs_lock; /* protects aRFS hash table and filter state */ 370 atomic_t *arfs_last_fltr_id; 371 372 u16 max_frame; 373 u16 rx_buf_len; 374 375 struct ice_aqc_vsi_props info; /* VSI properties */ 376 struct ice_vsi_vlan_info vlan_info; /* vlan config to be restored */ 377 378 /* VSI stats */ 379 struct rtnl_link_stats64 net_stats; 380 struct rtnl_link_stats64 net_stats_prev; 381 struct ice_eth_stats eth_stats; 382 struct ice_eth_stats eth_stats_prev; 383 384 struct list_head tmp_sync_list; /* MAC filters to be synced */ 385 struct list_head tmp_unsync_list; /* MAC filters to be unsynced */ 386 387 u8 irqs_ready:1; 388 u8 current_isup:1; /* Sync 'link up' logging */ 389 u8 stat_offsets_loaded:1; 390 struct ice_vsi_vlan_ops inner_vlan_ops; 391 struct ice_vsi_vlan_ops outer_vlan_ops; 392 u16 num_vlan; 393 394 /* queue information */ 395 u8 tx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */ 396 u8 rx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */ 397 u16 *txq_map; /* index in pf->avail_txqs */ 398 u16 *rxq_map; /* index in pf->avail_rxqs */ 399 u16 alloc_txq; /* Allocated Tx queues */ 400 u16 num_txq; /* Used Tx queues */ 401 u16 alloc_rxq; /* Allocated Rx queues */ 402 u16 num_rxq; /* Used Rx queues */ 403 u16 req_txq; /* User requested Tx queues */ 404 u16 req_rxq; /* User requested Rx queues */ 405 u16 num_rx_desc; 406 u16 num_tx_desc; 407 u16 qset_handle[ICE_MAX_TRAFFIC_CLASS]; 408 struct ice_tc_cfg tc_cfg; 409 struct bpf_prog *xdp_prog; 410 struct ice_tx_ring **xdp_rings; /* XDP ring array */ 411 u16 num_xdp_txq; /* Used XDP queues */ 412 u8 xdp_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */ 413 struct mutex xdp_state_lock; 414 415 struct net_device **target_netdevs; 416 417 struct tc_mqprio_qopt_offload mqprio_qopt; /* queue parameters */ 418 419 /* Channel Specific Fields */ 420 struct ice_vsi *tc_map_vsi[ICE_CHNL_MAX_TC]; 421 u16 cnt_q_avail; 422 u16 next_base_q; /* next queue to be used for channel setup */ 423 struct list_head ch_list; 424 u16 num_chnl_rxq; 425 u16 num_chnl_txq; 426 u16 ch_rss_size; 427 u16 num_chnl_fltr; 428 /* store away rss size info before configuring ADQ channels so that, 429 * it can be used after tc-qdisc delete, to get back RSS setting as 430 * they were before 431 */ 432 u16 orig_rss_size; 433 /* this keeps tracks of all enabled TC with and without DCB 434 * and inclusive of ADQ, vsi->mqprio_opt keeps track of queue 435 * information 436 */ 437 u8 all_numtc; 438 u16 all_enatc; 439 440 /* store away TC info, to be used for rebuild logic */ 441 u8 old_numtc; 442 u16 old_ena_tc; 443 444 struct ice_channel *ch; 445 446 /* setup back reference, to which aggregator node this VSI 447 * corresponds to 448 */ 449 struct ice_agg_node *agg_node; 450 } ____cacheline_internodealigned_in_smp; 451 452 /* struct that defines an interrupt vector */ 453 struct ice_q_vector { 454 struct ice_vsi *vsi; 455 456 u16 v_idx; /* index in the vsi->q_vector array. */ 457 u16 reg_idx; 458 u8 num_ring_rx; /* total number of Rx rings in vector */ 459 u8 num_ring_tx; /* total number of Tx rings in vector */ 460 u8 wb_on_itr:1; /* if true, WB on ITR is enabled */ 461 /* in usecs, need to use ice_intrl_to_usecs_reg() before writing this 462 * value to the device 463 */ 464 u8 intrl; 465 466 struct napi_struct napi; 467 468 struct ice_ring_container rx; 469 struct ice_ring_container tx; 470 471 cpumask_t affinity_mask; 472 struct irq_affinity_notify affinity_notify; 473 474 struct ice_channel *ch; 475 476 char name[ICE_INT_NAME_STR_LEN]; 477 478 u16 total_events; /* net_dim(): number of interrupts processed */ 479 struct msi_map irq; 480 } ____cacheline_internodealigned_in_smp; 481 482 enum ice_pf_flags { 483 ICE_FLAG_FLTR_SYNC, 484 ICE_FLAG_RDMA_ENA, 485 ICE_FLAG_RSS_ENA, 486 ICE_FLAG_SRIOV_ENA, 487 ICE_FLAG_SRIOV_CAPABLE, 488 ICE_FLAG_DCB_CAPABLE, 489 ICE_FLAG_DCB_ENA, 490 ICE_FLAG_FD_ENA, 491 ICE_FLAG_PTP_SUPPORTED, /* PTP is supported by NVM */ 492 ICE_FLAG_PTP, /* PTP is enabled by software */ 493 ICE_FLAG_ADV_FEATURES, 494 ICE_FLAG_TC_MQPRIO, /* support for Multi queue TC */ 495 ICE_FLAG_CLS_FLOWER, 496 ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, 497 ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, 498 ICE_FLAG_NO_MEDIA, 499 ICE_FLAG_FW_LLDP_AGENT, 500 ICE_FLAG_MOD_POWER_UNSUPPORTED, 501 ICE_FLAG_PHY_FW_LOAD_FAILED, 502 ICE_FLAG_ETHTOOL_CTXT, /* set when ethtool holds RTNL lock */ 503 ICE_FLAG_LEGACY_RX, 504 ICE_FLAG_VF_TRUE_PROMISC_ENA, 505 ICE_FLAG_MDD_AUTO_RESET_VF, 506 ICE_FLAG_VF_VLAN_PRUNING, 507 ICE_FLAG_LINK_LENIENT_MODE_ENA, 508 ICE_FLAG_PLUG_AUX_DEV, 509 ICE_FLAG_UNPLUG_AUX_DEV, 510 ICE_FLAG_MTU_CHANGED, 511 ICE_FLAG_GNSS, /* GNSS successfully initialized */ 512 ICE_PF_FLAGS_NBITS /* must be last */ 513 }; 514 515 enum ice_misc_thread_tasks { 516 ICE_MISC_THREAD_EXTTS_EVENT, 517 ICE_MISC_THREAD_TX_TSTAMP, 518 ICE_MISC_THREAD_NBITS /* must be last */ 519 }; 520 521 struct ice_eswitch { 522 struct ice_vsi *control_vsi; 523 struct ice_vsi *uplink_vsi; 524 struct ice_esw_br_offloads *br_offloads; 525 bool is_running; 526 }; 527 528 struct ice_agg_node { 529 u32 agg_id; 530 #define ICE_MAX_VSIS_IN_AGG_NODE 64 531 u32 num_vsis; 532 u8 valid; 533 }; 534 535 struct ice_pf { 536 struct pci_dev *pdev; 537 538 struct devlink_region *nvm_region; 539 struct devlink_region *sram_region; 540 struct devlink_region *devcaps_region; 541 542 /* devlink port data */ 543 struct devlink_port devlink_port; 544 545 /* OS reserved IRQ details */ 546 struct msix_entry *msix_entries; 547 struct ice_irq_tracker irq_tracker; 548 /* First MSIX vector used by SR-IOV VFs. Calculated by subtracting the 549 * number of MSIX vectors needed for all SR-IOV VFs from the number of 550 * MSIX vectors allowed on this PF. 551 */ 552 u16 sriov_base_vector; 553 554 u16 ctrl_vsi_idx; /* control VSI index in pf->vsi array */ 555 556 struct ice_vsi **vsi; /* VSIs created by the driver */ 557 struct ice_vsi_stats **vsi_stats; 558 struct ice_sw *first_sw; /* first switch created by firmware */ 559 u16 eswitch_mode; /* current mode of eswitch */ 560 struct ice_vfs vfs; 561 DECLARE_BITMAP(features, ICE_F_MAX); 562 DECLARE_BITMAP(state, ICE_STATE_NBITS); 563 DECLARE_BITMAP(flags, ICE_PF_FLAGS_NBITS); 564 DECLARE_BITMAP(misc_thread, ICE_MISC_THREAD_NBITS); 565 unsigned long *avail_txqs; /* bitmap to track PF Tx queue usage */ 566 unsigned long *avail_rxqs; /* bitmap to track PF Rx queue usage */ 567 unsigned long serv_tmr_period; 568 unsigned long serv_tmr_prev; 569 struct timer_list serv_tmr; 570 struct work_struct serv_task; 571 struct mutex avail_q_mutex; /* protects access to avail_[rx|tx]qs */ 572 struct mutex sw_mutex; /* lock for protecting VSI alloc flow */ 573 struct mutex tc_mutex; /* lock to protect TC changes */ 574 struct mutex adev_mutex; /* lock to protect aux device access */ 575 struct mutex lag_mutex; /* protect ice_lag struct in PF */ 576 u32 msg_enable; 577 struct ice_ptp ptp; 578 struct gnss_serial *gnss_serial; 579 struct gnss_device *gnss_dev; 580 u16 num_rdma_msix; /* Total MSIX vectors for RDMA driver */ 581 u16 rdma_base_vector; 582 583 /* spinlock to protect the AdminQ wait list */ 584 spinlock_t aq_wait_lock; 585 struct hlist_head aq_wait_list; 586 wait_queue_head_t aq_wait_queue; 587 bool fw_emp_reset_disabled; 588 589 wait_queue_head_t reset_wait_queue; 590 591 u32 hw_csum_rx_error; 592 u32 oicr_err_reg; 593 struct msi_map oicr_irq; /* Other interrupt cause MSIX vector */ 594 u16 max_pf_txqs; /* Total Tx queues PF wide */ 595 u16 max_pf_rxqs; /* Total Rx queues PF wide */ 596 u16 num_lan_msix; /* Total MSIX vectors for base driver */ 597 u16 num_lan_tx; /* num LAN Tx queues setup */ 598 u16 num_lan_rx; /* num LAN Rx queues setup */ 599 u16 next_vsi; /* Next free slot in pf->vsi[] - 0-based! */ 600 u16 num_alloc_vsi; 601 u16 corer_count; /* Core reset count */ 602 u16 globr_count; /* Global reset count */ 603 u16 empr_count; /* EMP reset count */ 604 u16 pfr_count; /* PF reset count */ 605 606 u8 wol_ena : 1; /* software state of WoL */ 607 u32 wakeup_reason; /* last wakeup reason */ 608 struct ice_hw_port_stats stats; 609 struct ice_hw_port_stats stats_prev; 610 struct ice_hw hw; 611 u8 stat_prev_loaded:1; /* has previous stats been loaded */ 612 u8 rdma_mode; 613 u16 dcbx_cap; 614 u32 tx_timeout_count; 615 unsigned long tx_timeout_last_recovery; 616 u32 tx_timeout_recovery_level; 617 char int_name[ICE_INT_NAME_STR_LEN]; 618 struct auxiliary_device *adev; 619 int aux_idx; 620 u32 sw_int_count; 621 /* count of tc_flower filters specific to channel (aka where filter 622 * action is "hw_tc <tc_num>") 623 */ 624 u16 num_dmac_chnl_fltrs; 625 struct hlist_head tc_flower_fltr_list; 626 627 u64 supported_rxdids; 628 629 __le64 nvm_phy_type_lo; /* NVM PHY type low */ 630 __le64 nvm_phy_type_hi; /* NVM PHY type high */ 631 struct ice_link_default_override_tlv link_dflt_override; 632 struct ice_lag *lag; /* Link Aggregation information */ 633 634 struct ice_eswitch eswitch; 635 struct ice_esw_br_port *br_port; 636 637 #define ICE_INVALID_AGG_NODE_ID 0 638 #define ICE_PF_AGG_NODE_ID_START 1 639 #define ICE_MAX_PF_AGG_NODES 32 640 struct ice_agg_node pf_agg_node[ICE_MAX_PF_AGG_NODES]; 641 #define ICE_VF_AGG_NODE_ID_START 65 642 #define ICE_MAX_VF_AGG_NODES 32 643 struct ice_agg_node vf_agg_node[ICE_MAX_VF_AGG_NODES]; 644 }; 645 646 extern struct workqueue_struct *ice_lag_wq; 647 648 struct ice_netdev_priv { 649 struct ice_vsi *vsi; 650 struct ice_repr *repr; 651 /* indirect block callbacks on registered higher level devices 652 * (e.g. tunnel devices) 653 * 654 * tc_indr_block_cb_priv_list is used to look up indirect callback 655 * private data 656 */ 657 struct list_head tc_indr_block_priv_list; 658 }; 659 660 /** 661 * ice_vector_ch_enabled 662 * @qv: pointer to q_vector, can be NULL 663 * 664 * This function returns true if vector is channel enabled otherwise false 665 */ 666 static inline bool ice_vector_ch_enabled(struct ice_q_vector *qv) 667 { 668 return !!qv->ch; /* Enable it to run with TC */ 669 } 670 671 /** 672 * ice_irq_dynamic_ena - Enable default interrupt generation settings 673 * @hw: pointer to HW struct 674 * @vsi: pointer to VSI struct, can be NULL 675 * @q_vector: pointer to q_vector, can be NULL 676 */ 677 static inline void 678 ice_irq_dynamic_ena(struct ice_hw *hw, struct ice_vsi *vsi, 679 struct ice_q_vector *q_vector) 680 { 681 u32 vector = (vsi && q_vector) ? q_vector->reg_idx : 682 ((struct ice_pf *)hw->back)->oicr_irq.index; 683 int itr = ICE_ITR_NONE; 684 u32 val; 685 686 /* clear the PBA here, as this function is meant to clean out all 687 * previous interrupts and enable the interrupt 688 */ 689 val = GLINT_DYN_CTL_INTENA_M | GLINT_DYN_CTL_CLEARPBA_M | 690 (itr << GLINT_DYN_CTL_ITR_INDX_S); 691 if (vsi) 692 if (test_bit(ICE_VSI_DOWN, vsi->state)) 693 return; 694 wr32(hw, GLINT_DYN_CTL(vector), val); 695 } 696 697 /** 698 * ice_netdev_to_pf - Retrieve the PF struct associated with a netdev 699 * @netdev: pointer to the netdev struct 700 */ 701 static inline struct ice_pf *ice_netdev_to_pf(struct net_device *netdev) 702 { 703 struct ice_netdev_priv *np = netdev_priv(netdev); 704 705 return np->vsi->back; 706 } 707 708 static inline bool ice_is_xdp_ena_vsi(struct ice_vsi *vsi) 709 { 710 return !!READ_ONCE(vsi->xdp_prog); 711 } 712 713 static inline void ice_set_ring_xdp(struct ice_tx_ring *ring) 714 { 715 ring->flags |= ICE_TX_FLAGS_RING_XDP; 716 } 717 718 /** 719 * ice_get_xp_from_qid - get ZC XSK buffer pool bound to a queue ID 720 * @vsi: pointer to VSI 721 * @qid: index of a queue to look at XSK buff pool presence 722 * 723 * Return: A pointer to xsk_buff_pool structure if there is a buffer pool 724 * attached and configured as zero-copy, NULL otherwise. 725 */ 726 static inline struct xsk_buff_pool *ice_get_xp_from_qid(struct ice_vsi *vsi, 727 u16 qid) 728 { 729 struct xsk_buff_pool *pool = xsk_get_pool_from_qid(vsi->netdev, qid); 730 731 if (!ice_is_xdp_ena_vsi(vsi)) 732 return NULL; 733 734 return (pool && pool->dev) ? pool : NULL; 735 } 736 737 /** 738 * ice_xsk_pool - get XSK buffer pool bound to a ring 739 * @ring: Rx ring to use 740 * 741 * Returns a pointer to xsk_buff_pool structure if there is a buffer pool 742 * present, NULL otherwise. 743 */ 744 static inline struct xsk_buff_pool *ice_xsk_pool(struct ice_rx_ring *ring) 745 { 746 struct ice_vsi *vsi = ring->vsi; 747 u16 qid = ring->q_index; 748 749 return ice_get_xp_from_qid(vsi, qid); 750 } 751 752 /** 753 * ice_tx_xsk_pool - assign XSK buff pool to XDP ring 754 * @vsi: pointer to VSI 755 * @qid: index of a queue to look at XSK buff pool presence 756 * 757 * Sets XSK buff pool pointer on XDP ring. 758 * 759 * XDP ring is picked from Rx ring, whereas Rx ring is picked based on provided 760 * queue id. Reason for doing so is that queue vectors might have assigned more 761 * than one XDP ring, e.g. when user reduced the queue count on netdev; Rx ring 762 * carries a pointer to one of these XDP rings for its own purposes, such as 763 * handling XDP_TX action, therefore we can piggyback here on the 764 * rx_ring->xdp_ring assignment that was done during XDP rings initialization. 765 */ 766 static inline void ice_tx_xsk_pool(struct ice_vsi *vsi, u16 qid) 767 { 768 struct ice_tx_ring *ring; 769 770 ring = vsi->rx_rings[qid]->xdp_ring; 771 if (!ring) 772 return; 773 774 ring->xsk_pool = ice_get_xp_from_qid(vsi, qid); 775 } 776 777 /** 778 * ice_get_main_vsi - Get the PF VSI 779 * @pf: PF instance 780 * 781 * returns pf->vsi[0], which by definition is the PF VSI 782 */ 783 static inline struct ice_vsi *ice_get_main_vsi(struct ice_pf *pf) 784 { 785 if (pf->vsi) 786 return pf->vsi[0]; 787 788 return NULL; 789 } 790 791 /** 792 * ice_get_netdev_priv_vsi - return VSI associated with netdev priv. 793 * @np: private netdev structure 794 */ 795 static inline struct ice_vsi *ice_get_netdev_priv_vsi(struct ice_netdev_priv *np) 796 { 797 /* In case of port representor return source port VSI. */ 798 if (np->repr) 799 return np->repr->src_vsi; 800 else 801 return np->vsi; 802 } 803 804 /** 805 * ice_get_ctrl_vsi - Get the control VSI 806 * @pf: PF instance 807 */ 808 static inline struct ice_vsi *ice_get_ctrl_vsi(struct ice_pf *pf) 809 { 810 /* if pf->ctrl_vsi_idx is ICE_NO_VSI, control VSI was not set up */ 811 if (!pf->vsi || pf->ctrl_vsi_idx == ICE_NO_VSI) 812 return NULL; 813 814 return pf->vsi[pf->ctrl_vsi_idx]; 815 } 816 817 /** 818 * ice_find_vsi - Find the VSI from VSI ID 819 * @pf: The PF pointer to search in 820 * @vsi_num: The VSI ID to search for 821 */ 822 static inline struct ice_vsi *ice_find_vsi(struct ice_pf *pf, u16 vsi_num) 823 { 824 int i; 825 826 ice_for_each_vsi(pf, i) 827 if (pf->vsi[i] && pf->vsi[i]->vsi_num == vsi_num) 828 return pf->vsi[i]; 829 return NULL; 830 } 831 832 /** 833 * ice_is_switchdev_running - check if switchdev is configured 834 * @pf: pointer to PF structure 835 * 836 * Returns true if eswitch mode is set to DEVLINK_ESWITCH_MODE_SWITCHDEV 837 * and switchdev is configured, false otherwise. 838 */ 839 static inline bool ice_is_switchdev_running(struct ice_pf *pf) 840 { 841 return pf->eswitch.is_running; 842 } 843 844 #define ICE_FD_STAT_CTR_BLOCK_COUNT 256 845 #define ICE_FD_STAT_PF_IDX(base_idx) \ 846 ((base_idx) * ICE_FD_STAT_CTR_BLOCK_COUNT) 847 #define ICE_FD_SB_STAT_IDX(base_idx) ICE_FD_STAT_PF_IDX(base_idx) 848 #define ICE_FD_STAT_CH 1 849 #define ICE_FD_CH_STAT_IDX(base_idx) \ 850 (ICE_FD_STAT_PF_IDX(base_idx) + ICE_FD_STAT_CH) 851 852 /** 853 * ice_is_adq_active - any active ADQs 854 * @pf: pointer to PF 855 * 856 * This function returns true if there are any ADQs configured (which is 857 * determined by looking at VSI type (which should be VSI_PF), numtc, and 858 * TC_MQPRIO flag) otherwise return false 859 */ 860 static inline bool ice_is_adq_active(struct ice_pf *pf) 861 { 862 struct ice_vsi *vsi; 863 864 vsi = ice_get_main_vsi(pf); 865 if (!vsi) 866 return false; 867 868 /* is ADQ configured */ 869 if (vsi->tc_cfg.numtc > ICE_CHNL_START_TC && 870 test_bit(ICE_FLAG_TC_MQPRIO, pf->flags)) 871 return true; 872 873 return false; 874 } 875 876 bool netif_is_ice(const struct net_device *dev); 877 int ice_vsi_setup_tx_rings(struct ice_vsi *vsi); 878 int ice_vsi_setup_rx_rings(struct ice_vsi *vsi); 879 int ice_vsi_open_ctrl(struct ice_vsi *vsi); 880 int ice_vsi_open(struct ice_vsi *vsi); 881 void ice_set_ethtool_ops(struct net_device *netdev); 882 void ice_set_ethtool_repr_ops(struct net_device *netdev); 883 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev); 884 u16 ice_get_avail_txq_count(struct ice_pf *pf); 885 u16 ice_get_avail_rxq_count(struct ice_pf *pf); 886 int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx, bool locked); 887 void ice_update_vsi_stats(struct ice_vsi *vsi); 888 void ice_update_pf_stats(struct ice_pf *pf); 889 void 890 ice_fetch_u64_stats_per_ring(struct u64_stats_sync *syncp, 891 struct ice_q_stats stats, u64 *pkts, u64 *bytes); 892 int ice_up(struct ice_vsi *vsi); 893 int ice_down(struct ice_vsi *vsi); 894 int ice_down_up(struct ice_vsi *vsi); 895 int ice_vsi_cfg_lan(struct ice_vsi *vsi); 896 struct ice_vsi *ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi); 897 898 enum ice_xdp_cfg { 899 ICE_XDP_CFG_FULL, /* Fully apply new config in .ndo_bpf() */ 900 ICE_XDP_CFG_PART, /* Save/use part of config in VSI rebuild */ 901 }; 902 903 int ice_vsi_determine_xdp_res(struct ice_vsi *vsi); 904 int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog, 905 enum ice_xdp_cfg cfg_type); 906 int ice_destroy_xdp_rings(struct ice_vsi *vsi, enum ice_xdp_cfg cfg_type); 907 int 908 ice_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames, 909 u32 flags); 910 int ice_set_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size); 911 int ice_get_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size); 912 int ice_set_rss_key(struct ice_vsi *vsi, u8 *seed); 913 int ice_get_rss_key(struct ice_vsi *vsi, u8 *seed); 914 void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size); 915 int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset); 916 void ice_print_link_msg(struct ice_vsi *vsi, bool isup); 917 int ice_plug_aux_dev(struct ice_pf *pf); 918 void ice_unplug_aux_dev(struct ice_pf *pf); 919 int ice_init_rdma(struct ice_pf *pf); 920 void ice_deinit_rdma(struct ice_pf *pf); 921 const char *ice_aq_str(enum ice_aq_err aq_err); 922 bool ice_is_wol_supported(struct ice_hw *hw); 923 void ice_fdir_del_all_fltrs(struct ice_vsi *vsi); 924 int 925 ice_fdir_write_fltr(struct ice_pf *pf, struct ice_fdir_fltr *input, bool add, 926 bool is_tun); 927 void ice_vsi_manage_fdir(struct ice_vsi *vsi, bool ena); 928 int ice_add_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd); 929 int ice_del_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd); 930 int ice_get_ethtool_fdir_entry(struct ice_hw *hw, struct ethtool_rxnfc *cmd); 931 int 932 ice_get_fdir_fltr_ids(struct ice_hw *hw, struct ethtool_rxnfc *cmd, 933 u32 *rule_locs); 934 void ice_fdir_rem_adq_chnl(struct ice_hw *hw, u16 vsi_idx); 935 void ice_fdir_release_flows(struct ice_hw *hw); 936 void ice_fdir_replay_flows(struct ice_hw *hw); 937 void ice_fdir_replay_fltrs(struct ice_pf *pf); 938 int ice_fdir_create_dflt_rules(struct ice_pf *pf); 939 940 enum ice_aq_task_state { 941 ICE_AQ_TASK_NOT_PREPARED, 942 ICE_AQ_TASK_WAITING, 943 ICE_AQ_TASK_COMPLETE, 944 ICE_AQ_TASK_CANCELED, 945 }; 946 947 struct ice_aq_task { 948 struct hlist_node entry; 949 struct ice_rq_event_info event; 950 enum ice_aq_task_state state; 951 u16 opcode; 952 }; 953 954 void ice_aq_prep_for_event(struct ice_pf *pf, struct ice_aq_task *task, 955 u16 opcode); 956 int ice_aq_wait_for_event(struct ice_pf *pf, struct ice_aq_task *task, 957 unsigned long timeout); 958 int ice_open(struct net_device *netdev); 959 int ice_open_internal(struct net_device *netdev); 960 int ice_stop(struct net_device *netdev); 961 void ice_service_task_schedule(struct ice_pf *pf); 962 int ice_load(struct ice_pf *pf); 963 void ice_unload(struct ice_pf *pf); 964 965 /** 966 * ice_set_rdma_cap - enable RDMA support 967 * @pf: PF struct 968 */ 969 static inline void ice_set_rdma_cap(struct ice_pf *pf) 970 { 971 if (pf->hw.func_caps.common_cap.rdma && pf->num_rdma_msix) { 972 set_bit(ICE_FLAG_RDMA_ENA, pf->flags); 973 set_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags); 974 } 975 } 976 977 /** 978 * ice_clear_rdma_cap - disable RDMA support 979 * @pf: PF struct 980 */ 981 static inline void ice_clear_rdma_cap(struct ice_pf *pf) 982 { 983 /* defer unplug to service task to avoid RTNL lock and 984 * clear PLUG bit so that pending plugs don't interfere 985 */ 986 clear_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags); 987 set_bit(ICE_FLAG_UNPLUG_AUX_DEV, pf->flags); 988 clear_bit(ICE_FLAG_RDMA_ENA, pf->flags); 989 } 990 #endif /* _ICE_H_ */ 991