1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright (c) 2018, Intel Corporation. */ 3 4 #ifndef _ICE_H_ 5 #define _ICE_H_ 6 7 #include <linux/types.h> 8 #include <linux/errno.h> 9 #include <linux/kernel.h> 10 #include <linux/module.h> 11 #include <linux/firmware.h> 12 #include <linux/netdevice.h> 13 #include <linux/compiler.h> 14 #include <linux/etherdevice.h> 15 #include <linux/skbuff.h> 16 #include <linux/cpumask.h> 17 #include <linux/rtnetlink.h> 18 #include <linux/if_vlan.h> 19 #include <linux/dma-mapping.h> 20 #include <linux/pci.h> 21 #include <linux/workqueue.h> 22 #include <linux/wait.h> 23 #include <linux/interrupt.h> 24 #include <linux/ethtool.h> 25 #include <linux/timer.h> 26 #include <linux/delay.h> 27 #include <linux/bitmap.h> 28 #include <linux/log2.h> 29 #include <linux/ip.h> 30 #include <linux/sctp.h> 31 #include <linux/ipv6.h> 32 #include <linux/pkt_sched.h> 33 #include <linux/if_bridge.h> 34 #include <linux/ctype.h> 35 #include <linux/linkmode.h> 36 #include <linux/bpf.h> 37 #include <linux/btf.h> 38 #include <linux/auxiliary_bus.h> 39 #include <linux/avf/virtchnl.h> 40 #include <linux/cpu_rmap.h> 41 #include <linux/dim.h> 42 #include <linux/gnss.h> 43 #include <net/pkt_cls.h> 44 #include <net/pkt_sched.h> 45 #include <net/tc_act/tc_mirred.h> 46 #include <net/tc_act/tc_gact.h> 47 #include <net/ip.h> 48 #include <net/devlink.h> 49 #include <net/ipv6.h> 50 #include <net/xdp_sock.h> 51 #include <net/xdp_sock_drv.h> 52 #include <net/geneve.h> 53 #include <net/gre.h> 54 #include <net/udp_tunnel.h> 55 #include <net/vxlan.h> 56 #include <net/gtp.h> 57 #include <linux/ppp_defs.h> 58 #include "ice_devids.h" 59 #include "ice_type.h" 60 #include "ice_txrx.h" 61 #include "ice_dcb.h" 62 #include "ice_switch.h" 63 #include "ice_common.h" 64 #include "ice_flow.h" 65 #include "ice_sched.h" 66 #include "ice_idc_int.h" 67 #include "ice_sriov.h" 68 #include "ice_vf_mbx.h" 69 #include "ice_ptp.h" 70 #include "ice_fdir.h" 71 #include "ice_xsk.h" 72 #include "ice_arfs.h" 73 #include "ice_repr.h" 74 #include "ice_eswitch.h" 75 #include "ice_lag.h" 76 #include "ice_vsi_vlan_ops.h" 77 #include "ice_gnss.h" 78 #include "ice_irq.h" 79 #include "ice_dpll.h" 80 #include "ice_adapter.h" 81 82 #define ICE_BAR0 0 83 #define ICE_REQ_DESC_MULTIPLE 32 84 #define ICE_MIN_NUM_DESC 64 85 #define ICE_MAX_NUM_DESC 8160 86 #define ICE_DFLT_MIN_RX_DESC 512 87 #define ICE_DFLT_NUM_TX_DESC 256 88 #define ICE_DFLT_NUM_RX_DESC 2048 89 90 #define ICE_DFLT_TRAFFIC_CLASS BIT(0) 91 #define ICE_INT_NAME_STR_LEN (IFNAMSIZ + 16) 92 #define ICE_AQ_LEN 192 93 #define ICE_MBXSQ_LEN 64 94 #define ICE_SBQ_LEN 64 95 #define ICE_MIN_LAN_TXRX_MSIX 1 96 #define ICE_MIN_LAN_OICR_MSIX 1 97 #define ICE_MIN_MSIX (ICE_MIN_LAN_TXRX_MSIX + ICE_MIN_LAN_OICR_MSIX) 98 #define ICE_FDIR_MSIX 2 99 #define ICE_RDMA_NUM_AEQ_MSIX 4 100 #define ICE_MIN_RDMA_MSIX 2 101 #define ICE_ESWITCH_MSIX 1 102 #define ICE_NO_VSI 0xffff 103 #define ICE_VSI_MAP_CONTIG 0 104 #define ICE_VSI_MAP_SCATTER 1 105 #define ICE_MAX_SCATTER_TXQS 16 106 #define ICE_MAX_SCATTER_RXQS 16 107 #define ICE_Q_WAIT_RETRY_LIMIT 10 108 #define ICE_Q_WAIT_MAX_RETRY (5 * ICE_Q_WAIT_RETRY_LIMIT) 109 #define ICE_MAX_LG_RSS_QS 256 110 #define ICE_INVAL_Q_INDEX 0xffff 111 112 #define ICE_MAX_RXQS_PER_TC 256 /* Used when setting VSI context per TC Rx queues */ 113 114 #define ICE_CHNL_START_TC 1 115 116 #define ICE_MAX_RESET_WAIT 20 117 118 #define ICE_VSIQF_HKEY_ARRAY_SIZE ((VSIQF_HKEY_MAX_INDEX + 1) * 4) 119 120 #define ICE_DFLT_NETIF_M (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK) 121 122 #define ICE_MAX_MTU (ICE_AQ_SET_MAC_FRAME_SIZE_MAX - ICE_ETH_PKT_HDR_PAD) 123 124 #define ICE_MAX_TSO_SIZE 131072 125 126 #define ICE_UP_TABLE_TRANSLATE(val, i) \ 127 (((val) << ICE_AQ_VSI_UP_TABLE_UP##i##_S) & \ 128 ICE_AQ_VSI_UP_TABLE_UP##i##_M) 129 130 #define ICE_TX_DESC(R, i) (&(((struct ice_tx_desc *)((R)->desc))[i])) 131 #define ICE_RX_DESC(R, i) (&(((union ice_32b_rx_flex_desc *)((R)->desc))[i])) 132 #define ICE_TX_CTX_DESC(R, i) (&(((struct ice_tx_ctx_desc *)((R)->desc))[i])) 133 #define ICE_TX_FDIRDESC(R, i) (&(((struct ice_fltr_desc *)((R)->desc))[i])) 134 135 /* Minimum BW limit is 500 Kbps for any scheduler node */ 136 #define ICE_MIN_BW_LIMIT 500 137 /* User can specify BW in either Kbit/Mbit/Gbit and OS converts it in bytes. 138 * use it to convert user specified BW limit into Kbps 139 */ 140 #define ICE_BW_KBPS_DIVISOR 125 141 142 /* Default recipes have priority 4 and below, hence priority values between 5..7 143 * can be used as filter priority for advanced switch filter (advanced switch 144 * filters need new recipe to be created for specified extraction sequence 145 * because default recipe extraction sequence does not represent custom 146 * extraction) 147 */ 148 #define ICE_SWITCH_FLTR_PRIO_QUEUE 7 149 /* prio 6 is reserved for future use (e.g. switch filter with L3 fields + 150 * (Optional: IP TOS/TTL) + L4 fields + (optionally: TCP fields such as 151 * SYN/FIN/RST)) 152 */ 153 #define ICE_SWITCH_FLTR_PRIO_RSVD 6 154 #define ICE_SWITCH_FLTR_PRIO_VSI 5 155 #define ICE_SWITCH_FLTR_PRIO_QGRP ICE_SWITCH_FLTR_PRIO_VSI 156 157 /* Macro for each VSI in a PF */ 158 #define ice_for_each_vsi(pf, i) \ 159 for ((i) = 0; (i) < (pf)->num_alloc_vsi; (i)++) 160 161 /* Macros for each Tx/Xdp/Rx ring in a VSI */ 162 #define ice_for_each_txq(vsi, i) \ 163 for ((i) = 0; (i) < (vsi)->num_txq; (i)++) 164 165 #define ice_for_each_xdp_txq(vsi, i) \ 166 for ((i) = 0; (i) < (vsi)->num_xdp_txq; (i)++) 167 168 #define ice_for_each_rxq(vsi, i) \ 169 for ((i) = 0; (i) < (vsi)->num_rxq; (i)++) 170 171 /* Macros for each allocated Tx/Rx ring whether used or not in a VSI */ 172 #define ice_for_each_alloc_txq(vsi, i) \ 173 for ((i) = 0; (i) < (vsi)->alloc_txq; (i)++) 174 175 #define ice_for_each_alloc_rxq(vsi, i) \ 176 for ((i) = 0; (i) < (vsi)->alloc_rxq; (i)++) 177 178 #define ice_for_each_q_vector(vsi, i) \ 179 for ((i) = 0; (i) < (vsi)->num_q_vectors; (i)++) 180 181 #define ice_for_each_chnl_tc(i) \ 182 for ((i) = ICE_CHNL_START_TC; (i) < ICE_CHNL_MAX_TC; (i)++) 183 184 #define ICE_UCAST_PROMISC_BITS (ICE_PROMISC_UCAST_TX | ICE_PROMISC_UCAST_RX) 185 186 #define ICE_UCAST_VLAN_PROMISC_BITS (ICE_PROMISC_UCAST_TX | \ 187 ICE_PROMISC_UCAST_RX | \ 188 ICE_PROMISC_VLAN_TX | \ 189 ICE_PROMISC_VLAN_RX) 190 191 #define ICE_MCAST_PROMISC_BITS (ICE_PROMISC_MCAST_TX | ICE_PROMISC_MCAST_RX) 192 193 #define ICE_MCAST_VLAN_PROMISC_BITS (ICE_PROMISC_MCAST_TX | \ 194 ICE_PROMISC_MCAST_RX | \ 195 ICE_PROMISC_VLAN_TX | \ 196 ICE_PROMISC_VLAN_RX) 197 198 #define ice_pf_to_dev(pf) (&((pf)->pdev->dev)) 199 200 #define ice_pf_src_tmr_owned(pf) ((pf)->hw.func_caps.ts_func_info.src_tmr_owned) 201 202 enum ice_feature { 203 ICE_F_DSCP, 204 ICE_F_PHY_RCLK, 205 ICE_F_SMA_CTRL, 206 ICE_F_CGU, 207 ICE_F_GNSS, 208 ICE_F_ROCE_LAG, 209 ICE_F_SRIOV_LAG, 210 ICE_F_MAX 211 }; 212 213 DECLARE_STATIC_KEY_FALSE(ice_xdp_locking_key); 214 215 struct ice_channel { 216 struct list_head list; 217 u8 type; 218 u16 sw_id; 219 u16 base_q; 220 u16 num_rxq; 221 u16 num_txq; 222 u16 vsi_num; 223 u8 ena_tc; 224 struct ice_aqc_vsi_props info; 225 u64 max_tx_rate; 226 u64 min_tx_rate; 227 atomic_t num_sb_fltr; 228 struct ice_vsi *ch_vsi; 229 }; 230 231 struct ice_txq_meta { 232 u32 q_teid; /* Tx-scheduler element identifier */ 233 u16 q_id; /* Entry in VSI's txq_map bitmap */ 234 u16 q_handle; /* Relative index of Tx queue within TC */ 235 u16 vsi_idx; /* VSI index that Tx queue belongs to */ 236 u8 tc; /* TC number that Tx queue belongs to */ 237 }; 238 239 struct ice_tc_info { 240 u16 qoffset; 241 u16 qcount_tx; 242 u16 qcount_rx; 243 u8 netdev_tc; 244 }; 245 246 struct ice_tc_cfg { 247 u8 numtc; /* Total number of enabled TCs */ 248 u16 ena_tc; /* Tx map */ 249 struct ice_tc_info tc_info[ICE_MAX_TRAFFIC_CLASS]; 250 }; 251 252 struct ice_qs_cfg { 253 struct mutex *qs_mutex; /* will be assigned to &pf->avail_q_mutex */ 254 unsigned long *pf_map; 255 unsigned long pf_map_size; 256 unsigned int q_count; 257 unsigned int scatter_count; 258 u16 *vsi_map; 259 u16 vsi_map_offset; 260 u8 mapping_mode; 261 }; 262 263 struct ice_sw { 264 struct ice_pf *pf; 265 u16 sw_id; /* switch ID for this switch */ 266 u16 bridge_mode; /* VEB/VEPA/Port Virtualizer */ 267 }; 268 269 enum ice_pf_state { 270 ICE_TESTING, 271 ICE_DOWN, 272 ICE_NEEDS_RESTART, 273 ICE_PREPARED_FOR_RESET, /* set by driver when prepared */ 274 ICE_RESET_OICR_RECV, /* set by driver after rcv reset OICR */ 275 ICE_PFR_REQ, /* set by driver */ 276 ICE_CORER_REQ, /* set by driver */ 277 ICE_GLOBR_REQ, /* set by driver */ 278 ICE_CORER_RECV, /* set by OICR handler */ 279 ICE_GLOBR_RECV, /* set by OICR handler */ 280 ICE_EMPR_RECV, /* set by OICR handler */ 281 ICE_SUSPENDED, /* set on module remove path */ 282 ICE_RESET_FAILED, /* set by reset/rebuild */ 283 /* When checking for the PF to be in a nominal operating state, the 284 * bits that are grouped at the beginning of the list need to be 285 * checked. Bits occurring before ICE_STATE_NOMINAL_CHECK_BITS will 286 * be checked. If you need to add a bit into consideration for nominal 287 * operating state, it must be added before 288 * ICE_STATE_NOMINAL_CHECK_BITS. Do not move this entry's position 289 * without appropriate consideration. 290 */ 291 ICE_STATE_NOMINAL_CHECK_BITS, 292 ICE_ADMINQ_EVENT_PENDING, 293 ICE_MAILBOXQ_EVENT_PENDING, 294 ICE_SIDEBANDQ_EVENT_PENDING, 295 ICE_MDD_EVENT_PENDING, 296 ICE_VFLR_EVENT_PENDING, 297 ICE_FLTR_OVERFLOW_PROMISC, 298 ICE_VF_DIS, 299 ICE_CFG_BUSY, 300 ICE_SERVICE_SCHED, 301 ICE_SERVICE_DIS, 302 ICE_FD_FLUSH_REQ, 303 ICE_OICR_INTR_DIS, /* Global OICR interrupt disabled */ 304 ICE_MDD_VF_PRINT_PENDING, /* set when MDD event handle */ 305 ICE_VF_RESETS_DISABLED, /* disable resets during ice_remove */ 306 ICE_LINK_DEFAULT_OVERRIDE_PENDING, 307 ICE_PHY_INIT_COMPLETE, 308 ICE_FD_VF_FLUSH_CTX, /* set at FD Rx IRQ or timeout */ 309 ICE_AUX_ERR_PENDING, 310 ICE_STATE_NBITS /* must be last */ 311 }; 312 313 enum ice_vsi_state { 314 ICE_VSI_DOWN, 315 ICE_VSI_NEEDS_RESTART, 316 ICE_VSI_NETDEV_ALLOCD, 317 ICE_VSI_NETDEV_REGISTERED, 318 ICE_VSI_UMAC_FLTR_CHANGED, 319 ICE_VSI_MMAC_FLTR_CHANGED, 320 ICE_VSI_PROMISC_CHANGED, 321 ICE_VSI_STATE_NBITS /* must be last */ 322 }; 323 324 struct ice_vsi_stats { 325 struct ice_ring_stats **tx_ring_stats; /* Tx ring stats array */ 326 struct ice_ring_stats **rx_ring_stats; /* Rx ring stats array */ 327 }; 328 329 /* struct that defines a VSI, associated with a dev */ 330 struct ice_vsi { 331 struct net_device *netdev; 332 struct ice_sw *vsw; /* switch this VSI is on */ 333 struct ice_pf *back; /* back pointer to PF */ 334 struct ice_rx_ring **rx_rings; /* Rx ring array */ 335 struct ice_tx_ring **tx_rings; /* Tx ring array */ 336 struct ice_q_vector **q_vectors; /* q_vector array */ 337 338 irqreturn_t (*irq_handler)(int irq, void *data); 339 340 u64 tx_linearize; 341 DECLARE_BITMAP(state, ICE_VSI_STATE_NBITS); 342 unsigned int current_netdev_flags; 343 u32 tx_restart; 344 u32 tx_busy; 345 u32 rx_buf_failed; 346 u32 rx_page_failed; 347 u16 num_q_vectors; 348 /* tell if only dynamic irq allocation is allowed */ 349 bool irq_dyn_alloc; 350 351 u16 vsi_num; /* HW (absolute) index of this VSI */ 352 u16 idx; /* software index in pf->vsi[] */ 353 354 u16 num_gfltr; 355 u16 num_bfltr; 356 357 /* RSS config */ 358 u16 rss_table_size; /* HW RSS table size */ 359 u16 rss_size; /* Allocated RSS queues */ 360 u8 rss_hfunc; /* User configured hash type */ 361 u8 *rss_hkey_user; /* User configured hash keys */ 362 u8 *rss_lut_user; /* User configured lookup table entries */ 363 u8 rss_lut_type; /* used to configure Get/Set RSS LUT AQ call */ 364 365 /* aRFS members only allocated for the PF VSI */ 366 #define ICE_MAX_ARFS_LIST 1024 367 #define ICE_ARFS_LST_MASK (ICE_MAX_ARFS_LIST - 1) 368 struct hlist_head *arfs_fltr_list; 369 struct ice_arfs_active_fltr_cntrs *arfs_fltr_cntrs; 370 spinlock_t arfs_lock; /* protects aRFS hash table and filter state */ 371 atomic_t *arfs_last_fltr_id; 372 373 u16 max_frame; 374 u16 rx_buf_len; 375 376 struct ice_aqc_vsi_props info; /* VSI properties */ 377 struct ice_vsi_vlan_info vlan_info; /* vlan config to be restored */ 378 379 /* VSI stats */ 380 struct rtnl_link_stats64 net_stats; 381 struct rtnl_link_stats64 net_stats_prev; 382 struct ice_eth_stats eth_stats; 383 struct ice_eth_stats eth_stats_prev; 384 385 struct list_head tmp_sync_list; /* MAC filters to be synced */ 386 struct list_head tmp_unsync_list; /* MAC filters to be unsynced */ 387 388 u8 irqs_ready:1; 389 u8 current_isup:1; /* Sync 'link up' logging */ 390 u8 stat_offsets_loaded:1; 391 struct ice_vsi_vlan_ops inner_vlan_ops; 392 struct ice_vsi_vlan_ops outer_vlan_ops; 393 u16 num_vlan; 394 395 /* queue information */ 396 u8 tx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */ 397 u8 rx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */ 398 u16 *txq_map; /* index in pf->avail_txqs */ 399 u16 *rxq_map; /* index in pf->avail_rxqs */ 400 u16 alloc_txq; /* Allocated Tx queues */ 401 u16 num_txq; /* Used Tx queues */ 402 u16 alloc_rxq; /* Allocated Rx queues */ 403 u16 num_rxq; /* Used Rx queues */ 404 u16 req_txq; /* User requested Tx queues */ 405 u16 req_rxq; /* User requested Rx queues */ 406 u16 num_rx_desc; 407 u16 num_tx_desc; 408 u16 qset_handle[ICE_MAX_TRAFFIC_CLASS]; 409 struct ice_tc_cfg tc_cfg; 410 struct bpf_prog *xdp_prog; 411 struct ice_tx_ring **xdp_rings; /* XDP ring array */ 412 u16 num_xdp_txq; /* Used XDP queues */ 413 u8 xdp_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */ 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 /* setup back reference, to which aggregator node this VSI 445 * corresponds to 446 */ 447 struct ice_agg_node *agg_node; 448 449 struct_group_tagged(ice_vsi_cfg_params, params, 450 struct ice_port_info *port_info; /* back pointer to port_info */ 451 struct ice_channel *ch; /* VSI's channel structure, may be NULL */ 452 struct ice_vf *vf; /* VF associated with this VSI, may be NULL */ 453 u32 flags; /* VSI flags used for rebuild and configuration */ 454 enum ice_vsi_type type; /* the type of the VSI */ 455 ); 456 } ____cacheline_internodealigned_in_smp; 457 458 /* struct that defines an interrupt vector */ 459 struct ice_q_vector { 460 struct ice_vsi *vsi; 461 462 u16 v_idx; /* index in the vsi->q_vector array. */ 463 u16 reg_idx; /* PF relative register index */ 464 u8 num_ring_rx; /* total number of Rx rings in vector */ 465 u8 num_ring_tx; /* total number of Tx rings in vector */ 466 u8 wb_on_itr:1; /* if true, WB on ITR is enabled */ 467 /* in usecs, need to use ice_intrl_to_usecs_reg() before writing this 468 * value to the device 469 */ 470 u8 intrl; 471 472 struct napi_struct napi; 473 474 struct ice_ring_container rx; 475 struct ice_ring_container tx; 476 477 cpumask_t affinity_mask; 478 struct irq_affinity_notify affinity_notify; 479 480 struct ice_channel *ch; 481 482 char name[ICE_INT_NAME_STR_LEN]; 483 484 u16 total_events; /* net_dim(): number of interrupts processed */ 485 u16 vf_reg_idx; /* VF relative register index */ 486 struct msi_map irq; 487 } ____cacheline_internodealigned_in_smp; 488 489 enum ice_pf_flags { 490 ICE_FLAG_FLTR_SYNC, 491 ICE_FLAG_RDMA_ENA, 492 ICE_FLAG_RSS_ENA, 493 ICE_FLAG_SRIOV_ENA, 494 ICE_FLAG_SRIOV_CAPABLE, 495 ICE_FLAG_DCB_CAPABLE, 496 ICE_FLAG_DCB_ENA, 497 ICE_FLAG_FD_ENA, 498 ICE_FLAG_PTP_SUPPORTED, /* PTP is supported by NVM */ 499 ICE_FLAG_ADV_FEATURES, 500 ICE_FLAG_TC_MQPRIO, /* support for Multi queue TC */ 501 ICE_FLAG_CLS_FLOWER, 502 ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, 503 ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, 504 ICE_FLAG_NO_MEDIA, 505 ICE_FLAG_FW_LLDP_AGENT, 506 ICE_FLAG_MOD_POWER_UNSUPPORTED, 507 ICE_FLAG_PHY_FW_LOAD_FAILED, 508 ICE_FLAG_ETHTOOL_CTXT, /* set when ethtool holds RTNL lock */ 509 ICE_FLAG_LEGACY_RX, 510 ICE_FLAG_VF_TRUE_PROMISC_ENA, 511 ICE_FLAG_MDD_AUTO_RESET_VF, 512 ICE_FLAG_VF_VLAN_PRUNING, 513 ICE_FLAG_LINK_LENIENT_MODE_ENA, 514 ICE_FLAG_PLUG_AUX_DEV, 515 ICE_FLAG_UNPLUG_AUX_DEV, 516 ICE_FLAG_MTU_CHANGED, 517 ICE_FLAG_GNSS, /* GNSS successfully initialized */ 518 ICE_FLAG_DPLL, /* SyncE/PTP dplls initialized */ 519 ICE_PF_FLAGS_NBITS /* must be last */ 520 }; 521 522 enum ice_misc_thread_tasks { 523 ICE_MISC_THREAD_TX_TSTAMP, 524 ICE_MISC_THREAD_NBITS /* must be last */ 525 }; 526 527 struct ice_eswitch { 528 struct ice_vsi *uplink_vsi; 529 struct ice_esw_br_offloads *br_offloads; 530 struct xarray reprs; 531 bool is_running; 532 }; 533 534 struct ice_agg_node { 535 u32 agg_id; 536 #define ICE_MAX_VSIS_IN_AGG_NODE 64 537 u32 num_vsis; 538 u8 valid; 539 }; 540 541 struct ice_pf { 542 struct pci_dev *pdev; 543 struct ice_adapter *adapter; 544 545 struct devlink_region *nvm_region; 546 struct devlink_region *sram_region; 547 struct devlink_region *devcaps_region; 548 549 /* devlink port data */ 550 struct devlink_port devlink_port; 551 552 /* OS reserved IRQ details */ 553 struct msix_entry *msix_entries; 554 struct ice_irq_tracker irq_tracker; 555 /* First MSIX vector used by SR-IOV VFs. Calculated by subtracting the 556 * number of MSIX vectors needed for all SR-IOV VFs from the number of 557 * MSIX vectors allowed on this PF. 558 */ 559 u16 sriov_base_vector; 560 unsigned long *sriov_irq_bm; /* bitmap to track irq usage */ 561 u16 sriov_irq_size; /* size of the irq_bm bitmap */ 562 563 u16 ctrl_vsi_idx; /* control VSI index in pf->vsi array */ 564 565 struct ice_vsi **vsi; /* VSIs created by the driver */ 566 struct ice_vsi_stats **vsi_stats; 567 struct ice_sw *first_sw; /* first switch created by firmware */ 568 u16 eswitch_mode; /* current mode of eswitch */ 569 struct dentry *ice_debugfs_pf; 570 struct dentry *ice_debugfs_pf_fwlog; 571 /* keep track of all the dentrys for FW log modules */ 572 struct dentry **ice_debugfs_pf_fwlog_modules; 573 struct ice_vfs vfs; 574 DECLARE_BITMAP(features, ICE_F_MAX); 575 DECLARE_BITMAP(state, ICE_STATE_NBITS); 576 DECLARE_BITMAP(flags, ICE_PF_FLAGS_NBITS); 577 DECLARE_BITMAP(misc_thread, ICE_MISC_THREAD_NBITS); 578 unsigned long *avail_txqs; /* bitmap to track PF Tx queue usage */ 579 unsigned long *avail_rxqs; /* bitmap to track PF Rx queue usage */ 580 unsigned long serv_tmr_period; 581 unsigned long serv_tmr_prev; 582 struct timer_list serv_tmr; 583 struct work_struct serv_task; 584 struct mutex avail_q_mutex; /* protects access to avail_[rx|tx]qs */ 585 struct mutex sw_mutex; /* lock for protecting VSI alloc flow */ 586 struct mutex tc_mutex; /* lock to protect TC changes */ 587 struct mutex adev_mutex; /* lock to protect aux device access */ 588 struct mutex lag_mutex; /* protect ice_lag struct in PF */ 589 u32 msg_enable; 590 struct ice_ptp ptp; 591 struct gnss_serial *gnss_serial; 592 struct gnss_device *gnss_dev; 593 u16 num_rdma_msix; /* Total MSIX vectors for RDMA driver */ 594 u16 rdma_base_vector; 595 596 /* spinlock to protect the AdminQ wait list */ 597 spinlock_t aq_wait_lock; 598 struct hlist_head aq_wait_list; 599 wait_queue_head_t aq_wait_queue; 600 bool fw_emp_reset_disabled; 601 602 wait_queue_head_t reset_wait_queue; 603 604 u32 hw_csum_rx_error; 605 u32 hw_rx_eipe_error; 606 u32 oicr_err_reg; 607 struct msi_map oicr_irq; /* Other interrupt cause MSIX vector */ 608 struct msi_map ll_ts_irq; /* LL_TS interrupt MSIX vector */ 609 u16 max_pf_txqs; /* Total Tx queues PF wide */ 610 u16 max_pf_rxqs; /* Total Rx queues PF wide */ 611 u16 num_lan_msix; /* Total MSIX vectors for base driver */ 612 u16 num_lan_tx; /* num LAN Tx queues setup */ 613 u16 num_lan_rx; /* num LAN Rx queues setup */ 614 u16 next_vsi; /* Next free slot in pf->vsi[] - 0-based! */ 615 u16 num_alloc_vsi; 616 u16 corer_count; /* Core reset count */ 617 u16 globr_count; /* Global reset count */ 618 u16 empr_count; /* EMP reset count */ 619 u16 pfr_count; /* PF reset count */ 620 621 u8 wol_ena : 1; /* software state of WoL */ 622 u32 wakeup_reason; /* last wakeup reason */ 623 struct ice_hw_port_stats stats; 624 struct ice_hw_port_stats stats_prev; 625 struct ice_hw hw; 626 u8 stat_prev_loaded:1; /* has previous stats been loaded */ 627 u8 rdma_mode; 628 u16 dcbx_cap; 629 u32 tx_timeout_count; 630 unsigned long tx_timeout_last_recovery; 631 u32 tx_timeout_recovery_level; 632 char int_name[ICE_INT_NAME_STR_LEN]; 633 char int_name_ll_ts[ICE_INT_NAME_STR_LEN]; 634 struct auxiliary_device *adev; 635 int aux_idx; 636 u32 sw_int_count; 637 /* count of tc_flower filters specific to channel (aka where filter 638 * action is "hw_tc <tc_num>") 639 */ 640 u16 num_dmac_chnl_fltrs; 641 struct hlist_head tc_flower_fltr_list; 642 643 u64 supported_rxdids; 644 645 __le64 nvm_phy_type_lo; /* NVM PHY type low */ 646 __le64 nvm_phy_type_hi; /* NVM PHY type high */ 647 struct ice_link_default_override_tlv link_dflt_override; 648 struct ice_lag *lag; /* Link Aggregation information */ 649 650 struct ice_eswitch eswitch; 651 struct ice_esw_br_port *br_port; 652 653 #define ICE_INVALID_AGG_NODE_ID 0 654 #define ICE_PF_AGG_NODE_ID_START 1 655 #define ICE_MAX_PF_AGG_NODES 32 656 struct ice_agg_node pf_agg_node[ICE_MAX_PF_AGG_NODES]; 657 #define ICE_VF_AGG_NODE_ID_START 65 658 #define ICE_MAX_VF_AGG_NODES 32 659 struct ice_agg_node vf_agg_node[ICE_MAX_VF_AGG_NODES]; 660 struct ice_dplls dplls; 661 struct device *hwmon_dev; 662 }; 663 664 extern struct workqueue_struct *ice_lag_wq; 665 666 struct ice_netdev_priv { 667 struct ice_vsi *vsi; 668 struct ice_repr *repr; 669 /* indirect block callbacks on registered higher level devices 670 * (e.g. tunnel devices) 671 * 672 * tc_indr_block_cb_priv_list is used to look up indirect callback 673 * private data 674 */ 675 struct list_head tc_indr_block_priv_list; 676 }; 677 678 /** 679 * ice_vector_ch_enabled 680 * @qv: pointer to q_vector, can be NULL 681 * 682 * This function returns true if vector is channel enabled otherwise false 683 */ 684 static inline bool ice_vector_ch_enabled(struct ice_q_vector *qv) 685 { 686 return !!qv->ch; /* Enable it to run with TC */ 687 } 688 689 /** 690 * ice_ptp_pf_handles_tx_interrupt - Check if PF handles Tx interrupt 691 * @pf: Board private structure 692 * 693 * Return true if this PF should respond to the Tx timestamp interrupt 694 * indication in the miscellaneous OICR interrupt handler. 695 */ 696 static inline bool ice_ptp_pf_handles_tx_interrupt(struct ice_pf *pf) 697 { 698 return pf->ptp.tx_interrupt_mode != ICE_PTP_TX_INTERRUPT_NONE; 699 } 700 701 /** 702 * ice_irq_dynamic_ena - Enable default interrupt generation settings 703 * @hw: pointer to HW struct 704 * @vsi: pointer to VSI struct, can be NULL 705 * @q_vector: pointer to q_vector, can be NULL 706 */ 707 static inline void 708 ice_irq_dynamic_ena(struct ice_hw *hw, struct ice_vsi *vsi, 709 struct ice_q_vector *q_vector) 710 { 711 u32 vector = (vsi && q_vector) ? q_vector->reg_idx : 712 ((struct ice_pf *)hw->back)->oicr_irq.index; 713 int itr = ICE_ITR_NONE; 714 u32 val; 715 716 /* clear the PBA here, as this function is meant to clean out all 717 * previous interrupts and enable the interrupt 718 */ 719 val = GLINT_DYN_CTL_INTENA_M | GLINT_DYN_CTL_CLEARPBA_M | 720 (itr << GLINT_DYN_CTL_ITR_INDX_S); 721 if (vsi) 722 if (test_bit(ICE_VSI_DOWN, vsi->state)) 723 return; 724 wr32(hw, GLINT_DYN_CTL(vector), val); 725 } 726 727 /** 728 * ice_netdev_to_pf - Retrieve the PF struct associated with a netdev 729 * @netdev: pointer to the netdev struct 730 */ 731 static inline struct ice_pf *ice_netdev_to_pf(struct net_device *netdev) 732 { 733 struct ice_netdev_priv *np = netdev_priv(netdev); 734 735 return np->vsi->back; 736 } 737 738 static inline bool ice_is_xdp_ena_vsi(struct ice_vsi *vsi) 739 { 740 return !!READ_ONCE(vsi->xdp_prog); 741 } 742 743 static inline void ice_set_ring_xdp(struct ice_tx_ring *ring) 744 { 745 ring->flags |= ICE_TX_FLAGS_RING_XDP; 746 } 747 748 /** 749 * ice_get_xp_from_qid - get ZC XSK buffer pool bound to a queue ID 750 * @vsi: pointer to VSI 751 * @qid: index of a queue to look at XSK buff pool presence 752 * 753 * Return: A pointer to xsk_buff_pool structure if there is a buffer pool 754 * attached and configured as zero-copy, NULL otherwise. 755 */ 756 static inline struct xsk_buff_pool *ice_get_xp_from_qid(struct ice_vsi *vsi, 757 u16 qid) 758 { 759 struct xsk_buff_pool *pool = xsk_get_pool_from_qid(vsi->netdev, qid); 760 761 if (!ice_is_xdp_ena_vsi(vsi)) 762 return NULL; 763 764 return (pool && pool->dev) ? pool : NULL; 765 } 766 767 /** 768 * ice_xsk_pool - get XSK buffer pool bound to a ring 769 * @ring: Rx ring to use 770 * 771 * Returns a pointer to xsk_buff_pool structure if there is a buffer pool 772 * present, NULL otherwise. 773 */ 774 static inline struct xsk_buff_pool *ice_xsk_pool(struct ice_rx_ring *ring) 775 { 776 struct ice_vsi *vsi = ring->vsi; 777 u16 qid = ring->q_index; 778 779 return ice_get_xp_from_qid(vsi, qid); 780 } 781 782 /** 783 * ice_tx_xsk_pool - assign XSK buff pool to XDP ring 784 * @vsi: pointer to VSI 785 * @qid: index of a queue to look at XSK buff pool presence 786 * 787 * Sets XSK buff pool pointer on XDP ring. 788 * 789 * XDP ring is picked from Rx ring, whereas Rx ring is picked based on provided 790 * queue id. Reason for doing so is that queue vectors might have assigned more 791 * than one XDP ring, e.g. when user reduced the queue count on netdev; Rx ring 792 * carries a pointer to one of these XDP rings for its own purposes, such as 793 * handling XDP_TX action, therefore we can piggyback here on the 794 * rx_ring->xdp_ring assignment that was done during XDP rings initialization. 795 */ 796 static inline void ice_tx_xsk_pool(struct ice_vsi *vsi, u16 qid) 797 { 798 struct ice_tx_ring *ring; 799 800 ring = vsi->rx_rings[qid]->xdp_ring; 801 if (!ring) 802 return; 803 804 ring->xsk_pool = ice_get_xp_from_qid(vsi, qid); 805 } 806 807 /** 808 * ice_get_main_vsi - Get the PF VSI 809 * @pf: PF instance 810 * 811 * returns pf->vsi[0], which by definition is the PF VSI 812 */ 813 static inline struct ice_vsi *ice_get_main_vsi(struct ice_pf *pf) 814 { 815 if (pf->vsi) 816 return pf->vsi[0]; 817 818 return NULL; 819 } 820 821 /** 822 * ice_get_netdev_priv_vsi - return VSI associated with netdev priv. 823 * @np: private netdev structure 824 */ 825 static inline struct ice_vsi *ice_get_netdev_priv_vsi(struct ice_netdev_priv *np) 826 { 827 /* In case of port representor return source port VSI. */ 828 if (np->repr) 829 return np->repr->src_vsi; 830 else 831 return np->vsi; 832 } 833 834 /** 835 * ice_get_ctrl_vsi - Get the control VSI 836 * @pf: PF instance 837 */ 838 static inline struct ice_vsi *ice_get_ctrl_vsi(struct ice_pf *pf) 839 { 840 /* if pf->ctrl_vsi_idx is ICE_NO_VSI, control VSI was not set up */ 841 if (!pf->vsi || pf->ctrl_vsi_idx == ICE_NO_VSI) 842 return NULL; 843 844 return pf->vsi[pf->ctrl_vsi_idx]; 845 } 846 847 /** 848 * ice_find_vsi - Find the VSI from VSI ID 849 * @pf: The PF pointer to search in 850 * @vsi_num: The VSI ID to search for 851 */ 852 static inline struct ice_vsi *ice_find_vsi(struct ice_pf *pf, u16 vsi_num) 853 { 854 int i; 855 856 ice_for_each_vsi(pf, i) 857 if (pf->vsi[i] && pf->vsi[i]->vsi_num == vsi_num) 858 return pf->vsi[i]; 859 return NULL; 860 } 861 862 /** 863 * ice_is_switchdev_running - check if switchdev is configured 864 * @pf: pointer to PF structure 865 * 866 * Returns true if eswitch mode is set to DEVLINK_ESWITCH_MODE_SWITCHDEV 867 * and switchdev is configured, false otherwise. 868 */ 869 static inline bool ice_is_switchdev_running(struct ice_pf *pf) 870 { 871 return pf->eswitch.is_running; 872 } 873 874 #define ICE_FD_STAT_CTR_BLOCK_COUNT 256 875 #define ICE_FD_STAT_PF_IDX(base_idx) \ 876 ((base_idx) * ICE_FD_STAT_CTR_BLOCK_COUNT) 877 #define ICE_FD_SB_STAT_IDX(base_idx) ICE_FD_STAT_PF_IDX(base_idx) 878 #define ICE_FD_STAT_CH 1 879 #define ICE_FD_CH_STAT_IDX(base_idx) \ 880 (ICE_FD_STAT_PF_IDX(base_idx) + ICE_FD_STAT_CH) 881 882 /** 883 * ice_is_adq_active - any active ADQs 884 * @pf: pointer to PF 885 * 886 * This function returns true if there are any ADQs configured (which is 887 * determined by looking at VSI type (which should be VSI_PF), numtc, and 888 * TC_MQPRIO flag) otherwise return false 889 */ 890 static inline bool ice_is_adq_active(struct ice_pf *pf) 891 { 892 struct ice_vsi *vsi; 893 894 vsi = ice_get_main_vsi(pf); 895 if (!vsi) 896 return false; 897 898 /* is ADQ configured */ 899 if (vsi->tc_cfg.numtc > ICE_CHNL_START_TC && 900 test_bit(ICE_FLAG_TC_MQPRIO, pf->flags)) 901 return true; 902 903 return false; 904 } 905 906 void ice_debugfs_fwlog_init(struct ice_pf *pf); 907 void ice_debugfs_pf_deinit(struct ice_pf *pf); 908 void ice_debugfs_init(void); 909 void ice_debugfs_exit(void); 910 void ice_pf_fwlog_update_module(struct ice_pf *pf, int log_level, int module); 911 912 bool netif_is_ice(const struct net_device *dev); 913 int ice_vsi_setup_tx_rings(struct ice_vsi *vsi); 914 int ice_vsi_setup_rx_rings(struct ice_vsi *vsi); 915 int ice_vsi_open_ctrl(struct ice_vsi *vsi); 916 int ice_vsi_open(struct ice_vsi *vsi); 917 void ice_set_ethtool_ops(struct net_device *netdev); 918 void ice_set_ethtool_repr_ops(struct net_device *netdev); 919 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev); 920 u16 ice_get_avail_txq_count(struct ice_pf *pf); 921 u16 ice_get_avail_rxq_count(struct ice_pf *pf); 922 int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx, bool locked); 923 void ice_update_vsi_stats(struct ice_vsi *vsi); 924 void ice_update_pf_stats(struct ice_pf *pf); 925 void 926 ice_fetch_u64_stats_per_ring(struct u64_stats_sync *syncp, 927 struct ice_q_stats stats, u64 *pkts, u64 *bytes); 928 int ice_up(struct ice_vsi *vsi); 929 int ice_down(struct ice_vsi *vsi); 930 int ice_down_up(struct ice_vsi *vsi); 931 int ice_vsi_cfg_lan(struct ice_vsi *vsi); 932 struct ice_vsi *ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi); 933 934 enum ice_xdp_cfg { 935 ICE_XDP_CFG_FULL, /* Fully apply new config in .ndo_bpf() */ 936 ICE_XDP_CFG_PART, /* Save/use part of config in VSI rebuild */ 937 }; 938 939 int ice_vsi_determine_xdp_res(struct ice_vsi *vsi); 940 int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog, 941 enum ice_xdp_cfg cfg_type); 942 int ice_destroy_xdp_rings(struct ice_vsi *vsi, enum ice_xdp_cfg cfg_type); 943 void ice_map_xdp_rings(struct ice_vsi *vsi); 944 int 945 ice_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames, 946 u32 flags); 947 int ice_set_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size); 948 int ice_get_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size); 949 int ice_set_rss_key(struct ice_vsi *vsi, u8 *seed); 950 int ice_get_rss_key(struct ice_vsi *vsi, u8 *seed); 951 int ice_set_rss_hfunc(struct ice_vsi *vsi, u8 hfunc); 952 void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size); 953 int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset); 954 void ice_print_link_msg(struct ice_vsi *vsi, bool isup); 955 int ice_plug_aux_dev(struct ice_pf *pf); 956 void ice_unplug_aux_dev(struct ice_pf *pf); 957 int ice_init_rdma(struct ice_pf *pf); 958 void ice_deinit_rdma(struct ice_pf *pf); 959 const char *ice_aq_str(enum ice_aq_err aq_err); 960 bool ice_is_wol_supported(struct ice_hw *hw); 961 void ice_fdir_del_all_fltrs(struct ice_vsi *vsi); 962 int 963 ice_fdir_write_fltr(struct ice_pf *pf, struct ice_fdir_fltr *input, bool add, 964 bool is_tun); 965 void ice_vsi_manage_fdir(struct ice_vsi *vsi, bool ena); 966 int ice_add_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd); 967 int ice_del_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd); 968 int ice_get_ethtool_fdir_entry(struct ice_hw *hw, struct ethtool_rxnfc *cmd); 969 int 970 ice_get_fdir_fltr_ids(struct ice_hw *hw, struct ethtool_rxnfc *cmd, 971 u32 *rule_locs); 972 void ice_fdir_rem_adq_chnl(struct ice_hw *hw, u16 vsi_idx); 973 void ice_fdir_release_flows(struct ice_hw *hw); 974 void ice_fdir_replay_flows(struct ice_hw *hw); 975 void ice_fdir_replay_fltrs(struct ice_pf *pf); 976 int ice_fdir_create_dflt_rules(struct ice_pf *pf); 977 978 enum ice_aq_task_state { 979 ICE_AQ_TASK_NOT_PREPARED, 980 ICE_AQ_TASK_WAITING, 981 ICE_AQ_TASK_COMPLETE, 982 ICE_AQ_TASK_CANCELED, 983 }; 984 985 struct ice_aq_task { 986 struct hlist_node entry; 987 struct ice_rq_event_info event; 988 enum ice_aq_task_state state; 989 u16 opcode; 990 }; 991 992 void ice_aq_prep_for_event(struct ice_pf *pf, struct ice_aq_task *task, 993 u16 opcode); 994 int ice_aq_wait_for_event(struct ice_pf *pf, struct ice_aq_task *task, 995 unsigned long timeout); 996 int ice_open(struct net_device *netdev); 997 int ice_open_internal(struct net_device *netdev); 998 int ice_stop(struct net_device *netdev); 999 void ice_service_task_schedule(struct ice_pf *pf); 1000 int ice_load(struct ice_pf *pf); 1001 void ice_unload(struct ice_pf *pf); 1002 void ice_adv_lnk_speed_maps_init(void); 1003 int ice_init_dev(struct ice_pf *pf); 1004 void ice_deinit_dev(struct ice_pf *pf); 1005 1006 /** 1007 * ice_set_rdma_cap - enable RDMA support 1008 * @pf: PF struct 1009 */ 1010 static inline void ice_set_rdma_cap(struct ice_pf *pf) 1011 { 1012 if (pf->hw.func_caps.common_cap.rdma && pf->num_rdma_msix) { 1013 set_bit(ICE_FLAG_RDMA_ENA, pf->flags); 1014 set_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags); 1015 } 1016 } 1017 1018 /** 1019 * ice_clear_rdma_cap - disable RDMA support 1020 * @pf: PF struct 1021 */ 1022 static inline void ice_clear_rdma_cap(struct ice_pf *pf) 1023 { 1024 /* defer unplug to service task to avoid RTNL lock and 1025 * clear PLUG bit so that pending plugs don't interfere 1026 */ 1027 clear_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags); 1028 set_bit(ICE_FLAG_UNPLUG_AUX_DEV, pf->flags); 1029 clear_bit(ICE_FLAG_RDMA_ENA, pf->flags); 1030 } 1031 1032 extern const struct xdp_metadata_ops ice_xdp_md_ops; 1033 #endif /* _ICE_H_ */ 1034