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_MAX 204 }; 205 206 DECLARE_STATIC_KEY_FALSE(ice_xdp_locking_key); 207 208 struct ice_channel { 209 struct list_head list; 210 u8 type; 211 u16 sw_id; 212 u16 base_q; 213 u16 num_rxq; 214 u16 num_txq; 215 u16 vsi_num; 216 u8 ena_tc; 217 struct ice_aqc_vsi_props info; 218 u64 max_tx_rate; 219 u64 min_tx_rate; 220 atomic_t num_sb_fltr; 221 struct ice_vsi *ch_vsi; 222 }; 223 224 struct ice_txq_meta { 225 u32 q_teid; /* Tx-scheduler element identifier */ 226 u16 q_id; /* Entry in VSI's txq_map bitmap */ 227 u16 q_handle; /* Relative index of Tx queue within TC */ 228 u16 vsi_idx; /* VSI index that Tx queue belongs to */ 229 u8 tc; /* TC number that Tx queue belongs to */ 230 }; 231 232 struct ice_tc_info { 233 u16 qoffset; 234 u16 qcount_tx; 235 u16 qcount_rx; 236 u8 netdev_tc; 237 }; 238 239 struct ice_tc_cfg { 240 u8 numtc; /* Total number of enabled TCs */ 241 u16 ena_tc; /* Tx map */ 242 struct ice_tc_info tc_info[ICE_MAX_TRAFFIC_CLASS]; 243 }; 244 245 struct ice_qs_cfg { 246 struct mutex *qs_mutex; /* will be assigned to &pf->avail_q_mutex */ 247 unsigned long *pf_map; 248 unsigned long pf_map_size; 249 unsigned int q_count; 250 unsigned int scatter_count; 251 u16 *vsi_map; 252 u16 vsi_map_offset; 253 u8 mapping_mode; 254 }; 255 256 struct ice_sw { 257 struct ice_pf *pf; 258 u16 sw_id; /* switch ID for this switch */ 259 u16 bridge_mode; /* VEB/VEPA/Port Virtualizer */ 260 }; 261 262 enum ice_pf_state { 263 ICE_TESTING, 264 ICE_DOWN, 265 ICE_NEEDS_RESTART, 266 ICE_PREPARED_FOR_RESET, /* set by driver when prepared */ 267 ICE_RESET_OICR_RECV, /* set by driver after rcv reset OICR */ 268 ICE_PFR_REQ, /* set by driver */ 269 ICE_CORER_REQ, /* set by driver */ 270 ICE_GLOBR_REQ, /* set by driver */ 271 ICE_CORER_RECV, /* set by OICR handler */ 272 ICE_GLOBR_RECV, /* set by OICR handler */ 273 ICE_EMPR_RECV, /* set by OICR handler */ 274 ICE_SUSPENDED, /* set on module remove path */ 275 ICE_RESET_FAILED, /* set by reset/rebuild */ 276 /* When checking for the PF to be in a nominal operating state, the 277 * bits that are grouped at the beginning of the list need to be 278 * checked. Bits occurring before ICE_STATE_NOMINAL_CHECK_BITS will 279 * be checked. If you need to add a bit into consideration for nominal 280 * operating state, it must be added before 281 * ICE_STATE_NOMINAL_CHECK_BITS. Do not move this entry's position 282 * without appropriate consideration. 283 */ 284 ICE_STATE_NOMINAL_CHECK_BITS, 285 ICE_ADMINQ_EVENT_PENDING, 286 ICE_MAILBOXQ_EVENT_PENDING, 287 ICE_SIDEBANDQ_EVENT_PENDING, 288 ICE_MDD_EVENT_PENDING, 289 ICE_VFLR_EVENT_PENDING, 290 ICE_FLTR_OVERFLOW_PROMISC, 291 ICE_VF_DIS, 292 ICE_CFG_BUSY, 293 ICE_SERVICE_SCHED, 294 ICE_SERVICE_DIS, 295 ICE_FD_FLUSH_REQ, 296 ICE_OICR_INTR_DIS, /* Global OICR interrupt disabled */ 297 ICE_MDD_VF_PRINT_PENDING, /* set when MDD event handle */ 298 ICE_VF_RESETS_DISABLED, /* disable resets during ice_remove */ 299 ICE_LINK_DEFAULT_OVERRIDE_PENDING, 300 ICE_PHY_INIT_COMPLETE, 301 ICE_FD_VF_FLUSH_CTX, /* set at FD Rx IRQ or timeout */ 302 ICE_AUX_ERR_PENDING, 303 ICE_STATE_NBITS /* must be last */ 304 }; 305 306 enum ice_vsi_state { 307 ICE_VSI_DOWN, 308 ICE_VSI_NEEDS_RESTART, 309 ICE_VSI_NETDEV_ALLOCD, 310 ICE_VSI_NETDEV_REGISTERED, 311 ICE_VSI_UMAC_FLTR_CHANGED, 312 ICE_VSI_MMAC_FLTR_CHANGED, 313 ICE_VSI_PROMISC_CHANGED, 314 ICE_VSI_STATE_NBITS /* must be last */ 315 }; 316 317 struct ice_vsi_stats { 318 struct ice_ring_stats **tx_ring_stats; /* Tx ring stats array */ 319 struct ice_ring_stats **rx_ring_stats; /* Rx ring stats array */ 320 }; 321 322 /* struct that defines a VSI, associated with a dev */ 323 struct ice_vsi { 324 struct net_device *netdev; 325 struct ice_sw *vsw; /* switch this VSI is on */ 326 struct ice_pf *back; /* back pointer to PF */ 327 struct ice_port_info *port_info; /* back pointer to port_info */ 328 struct ice_rx_ring **rx_rings; /* Rx ring array */ 329 struct ice_tx_ring **tx_rings; /* Tx ring array */ 330 struct ice_q_vector **q_vectors; /* q_vector array */ 331 332 irqreturn_t (*irq_handler)(int irq, void *data); 333 334 u64 tx_linearize; 335 DECLARE_BITMAP(state, ICE_VSI_STATE_NBITS); 336 unsigned int current_netdev_flags; 337 u32 tx_restart; 338 u32 tx_busy; 339 u32 rx_buf_failed; 340 u32 rx_page_failed; 341 u16 num_q_vectors; 342 /* tell if only dynamic irq allocation is allowed */ 343 bool irq_dyn_alloc; 344 345 enum ice_vsi_type type; 346 u16 vsi_num; /* HW (absolute) index of this VSI */ 347 u16 idx; /* software index in pf->vsi[] */ 348 349 struct ice_vf *vf; /* VF associated with this VSI */ 350 351 u16 num_gfltr; 352 u16 num_bfltr; 353 354 /* RSS config */ 355 u16 rss_table_size; /* HW RSS table size */ 356 u16 rss_size; /* Allocated RSS queues */ 357 u8 *rss_hkey_user; /* User configured hash keys */ 358 u8 *rss_lut_user; /* User configured lookup table entries */ 359 u8 rss_lut_type; /* used to configure Get/Set RSS LUT AQ call */ 360 361 /* aRFS members only allocated for the PF VSI */ 362 #define ICE_MAX_ARFS_LIST 1024 363 #define ICE_ARFS_LST_MASK (ICE_MAX_ARFS_LIST - 1) 364 struct hlist_head *arfs_fltr_list; 365 struct ice_arfs_active_fltr_cntrs *arfs_fltr_cntrs; 366 spinlock_t arfs_lock; /* protects aRFS hash table and filter state */ 367 atomic_t *arfs_last_fltr_id; 368 369 u16 max_frame; 370 u16 rx_buf_len; 371 372 struct ice_aqc_vsi_props info; /* VSI properties */ 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 unsigned long *af_xdp_zc_qps; /* tracks AF_XDP ZC enabled qps */ 408 u16 num_xdp_txq; /* Used XDP queues */ 409 u8 xdp_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */ 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 struct ice_channel *ch; 441 442 /* setup back reference, to which aggregator node this VSI 443 * corresponds to 444 */ 445 struct ice_agg_node *agg_node; 446 } ____cacheline_internodealigned_in_smp; 447 448 /* struct that defines an interrupt vector */ 449 struct ice_q_vector { 450 struct ice_vsi *vsi; 451 452 u16 v_idx; /* index in the vsi->q_vector array. */ 453 u16 reg_idx; 454 u8 num_ring_rx; /* total number of Rx rings in vector */ 455 u8 num_ring_tx; /* total number of Tx rings in vector */ 456 u8 wb_on_itr:1; /* if true, WB on ITR is enabled */ 457 /* in usecs, need to use ice_intrl_to_usecs_reg() before writing this 458 * value to the device 459 */ 460 u8 intrl; 461 462 struct napi_struct napi; 463 464 struct ice_ring_container rx; 465 struct ice_ring_container tx; 466 467 cpumask_t affinity_mask; 468 struct irq_affinity_notify affinity_notify; 469 470 struct ice_channel *ch; 471 472 char name[ICE_INT_NAME_STR_LEN]; 473 474 u16 total_events; /* net_dim(): number of interrupts processed */ 475 struct msi_map irq; 476 } ____cacheline_internodealigned_in_smp; 477 478 enum ice_pf_flags { 479 ICE_FLAG_FLTR_SYNC, 480 ICE_FLAG_RDMA_ENA, 481 ICE_FLAG_RSS_ENA, 482 ICE_FLAG_SRIOV_ENA, 483 ICE_FLAG_SRIOV_CAPABLE, 484 ICE_FLAG_DCB_CAPABLE, 485 ICE_FLAG_DCB_ENA, 486 ICE_FLAG_FD_ENA, 487 ICE_FLAG_PTP_SUPPORTED, /* PTP is supported by NVM */ 488 ICE_FLAG_PTP, /* PTP is enabled by software */ 489 ICE_FLAG_ADV_FEATURES, 490 ICE_FLAG_TC_MQPRIO, /* support for Multi queue TC */ 491 ICE_FLAG_CLS_FLOWER, 492 ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, 493 ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, 494 ICE_FLAG_NO_MEDIA, 495 ICE_FLAG_FW_LLDP_AGENT, 496 ICE_FLAG_MOD_POWER_UNSUPPORTED, 497 ICE_FLAG_PHY_FW_LOAD_FAILED, 498 ICE_FLAG_ETHTOOL_CTXT, /* set when ethtool holds RTNL lock */ 499 ICE_FLAG_LEGACY_RX, 500 ICE_FLAG_VF_TRUE_PROMISC_ENA, 501 ICE_FLAG_MDD_AUTO_RESET_VF, 502 ICE_FLAG_VF_VLAN_PRUNING, 503 ICE_FLAG_LINK_LENIENT_MODE_ENA, 504 ICE_FLAG_PLUG_AUX_DEV, 505 ICE_FLAG_UNPLUG_AUX_DEV, 506 ICE_FLAG_MTU_CHANGED, 507 ICE_FLAG_GNSS, /* GNSS successfully initialized */ 508 ICE_PF_FLAGS_NBITS /* must be last */ 509 }; 510 511 enum ice_misc_thread_tasks { 512 ICE_MISC_THREAD_EXTTS_EVENT, 513 ICE_MISC_THREAD_TX_TSTAMP, 514 ICE_MISC_THREAD_NBITS /* must be last */ 515 }; 516 517 struct ice_switchdev_info { 518 struct ice_vsi *control_vsi; 519 struct ice_vsi *uplink_vsi; 520 bool is_running; 521 }; 522 523 struct ice_agg_node { 524 u32 agg_id; 525 #define ICE_MAX_VSIS_IN_AGG_NODE 64 526 u32 num_vsis; 527 u8 valid; 528 }; 529 530 struct ice_pf { 531 struct pci_dev *pdev; 532 533 struct devlink_region *nvm_region; 534 struct devlink_region *sram_region; 535 struct devlink_region *devcaps_region; 536 537 /* devlink port data */ 538 struct devlink_port devlink_port; 539 540 /* OS reserved IRQ details */ 541 struct msix_entry *msix_entries; 542 struct ice_irq_tracker irq_tracker; 543 /* First MSIX vector used by SR-IOV VFs. Calculated by subtracting the 544 * number of MSIX vectors needed for all SR-IOV VFs from the number of 545 * MSIX vectors allowed on this PF. 546 */ 547 u16 sriov_base_vector; 548 549 u16 ctrl_vsi_idx; /* control VSI index in pf->vsi array */ 550 551 struct ice_vsi **vsi; /* VSIs created by the driver */ 552 struct ice_vsi_stats **vsi_stats; 553 struct ice_sw *first_sw; /* first switch created by firmware */ 554 u16 eswitch_mode; /* current mode of eswitch */ 555 struct ice_vfs vfs; 556 DECLARE_BITMAP(features, ICE_F_MAX); 557 DECLARE_BITMAP(state, ICE_STATE_NBITS); 558 DECLARE_BITMAP(flags, ICE_PF_FLAGS_NBITS); 559 DECLARE_BITMAP(misc_thread, ICE_MISC_THREAD_NBITS); 560 unsigned long *avail_txqs; /* bitmap to track PF Tx queue usage */ 561 unsigned long *avail_rxqs; /* bitmap to track PF Rx queue usage */ 562 unsigned long serv_tmr_period; 563 unsigned long serv_tmr_prev; 564 struct timer_list serv_tmr; 565 struct work_struct serv_task; 566 struct mutex avail_q_mutex; /* protects access to avail_[rx|tx]qs */ 567 struct mutex sw_mutex; /* lock for protecting VSI alloc flow */ 568 struct mutex tc_mutex; /* lock to protect TC changes */ 569 struct mutex adev_mutex; /* lock to protect aux device access */ 570 u32 msg_enable; 571 struct ice_ptp ptp; 572 struct gnss_serial *gnss_serial; 573 struct gnss_device *gnss_dev; 574 u16 num_rdma_msix; /* Total MSIX vectors for RDMA driver */ 575 u16 rdma_base_vector; 576 577 /* spinlock to protect the AdminQ wait list */ 578 spinlock_t aq_wait_lock; 579 struct hlist_head aq_wait_list; 580 wait_queue_head_t aq_wait_queue; 581 bool fw_emp_reset_disabled; 582 583 wait_queue_head_t reset_wait_queue; 584 585 u32 hw_csum_rx_error; 586 u32 oicr_err_reg; 587 struct msi_map oicr_irq; /* Other interrupt cause MSIX vector */ 588 u16 max_pf_txqs; /* Total Tx queues PF wide */ 589 u16 max_pf_rxqs; /* Total Rx queues PF wide */ 590 u16 num_lan_msix; /* Total MSIX vectors for base driver */ 591 u16 num_lan_tx; /* num LAN Tx queues setup */ 592 u16 num_lan_rx; /* num LAN Rx queues setup */ 593 u16 next_vsi; /* Next free slot in pf->vsi[] - 0-based! */ 594 u16 num_alloc_vsi; 595 u16 corer_count; /* Core reset count */ 596 u16 globr_count; /* Global reset count */ 597 u16 empr_count; /* EMP reset count */ 598 u16 pfr_count; /* PF reset count */ 599 600 u8 wol_ena : 1; /* software state of WoL */ 601 u32 wakeup_reason; /* last wakeup reason */ 602 struct ice_hw_port_stats stats; 603 struct ice_hw_port_stats stats_prev; 604 struct ice_hw hw; 605 u8 stat_prev_loaded:1; /* has previous stats been loaded */ 606 u8 rdma_mode; 607 u16 dcbx_cap; 608 u32 tx_timeout_count; 609 unsigned long tx_timeout_last_recovery; 610 u32 tx_timeout_recovery_level; 611 char int_name[ICE_INT_NAME_STR_LEN]; 612 struct auxiliary_device *adev; 613 int aux_idx; 614 u32 sw_int_count; 615 /* count of tc_flower filters specific to channel (aka where filter 616 * action is "hw_tc <tc_num>") 617 */ 618 u16 num_dmac_chnl_fltrs; 619 struct hlist_head tc_flower_fltr_list; 620 621 u64 supported_rxdids; 622 623 __le64 nvm_phy_type_lo; /* NVM PHY type low */ 624 __le64 nvm_phy_type_hi; /* NVM PHY type high */ 625 struct ice_link_default_override_tlv link_dflt_override; 626 struct ice_lag *lag; /* Link Aggregation information */ 627 628 struct ice_switchdev_info switchdev; 629 630 #define ICE_INVALID_AGG_NODE_ID 0 631 #define ICE_PF_AGG_NODE_ID_START 1 632 #define ICE_MAX_PF_AGG_NODES 32 633 struct ice_agg_node pf_agg_node[ICE_MAX_PF_AGG_NODES]; 634 #define ICE_VF_AGG_NODE_ID_START 65 635 #define ICE_MAX_VF_AGG_NODES 32 636 struct ice_agg_node vf_agg_node[ICE_MAX_VF_AGG_NODES]; 637 }; 638 639 struct ice_netdev_priv { 640 struct ice_vsi *vsi; 641 struct ice_repr *repr; 642 /* indirect block callbacks on registered higher level devices 643 * (e.g. tunnel devices) 644 * 645 * tc_indr_block_cb_priv_list is used to look up indirect callback 646 * private data 647 */ 648 struct list_head tc_indr_block_priv_list; 649 }; 650 651 /** 652 * ice_vector_ch_enabled 653 * @qv: pointer to q_vector, can be NULL 654 * 655 * This function returns true if vector is channel enabled otherwise false 656 */ 657 static inline bool ice_vector_ch_enabled(struct ice_q_vector *qv) 658 { 659 return !!qv->ch; /* Enable it to run with TC */ 660 } 661 662 /** 663 * ice_irq_dynamic_ena - Enable default interrupt generation settings 664 * @hw: pointer to HW struct 665 * @vsi: pointer to VSI struct, can be NULL 666 * @q_vector: pointer to q_vector, can be NULL 667 */ 668 static inline void 669 ice_irq_dynamic_ena(struct ice_hw *hw, struct ice_vsi *vsi, 670 struct ice_q_vector *q_vector) 671 { 672 u32 vector = (vsi && q_vector) ? q_vector->reg_idx : 673 ((struct ice_pf *)hw->back)->oicr_irq.index; 674 int itr = ICE_ITR_NONE; 675 u32 val; 676 677 /* clear the PBA here, as this function is meant to clean out all 678 * previous interrupts and enable the interrupt 679 */ 680 val = GLINT_DYN_CTL_INTENA_M | GLINT_DYN_CTL_CLEARPBA_M | 681 (itr << GLINT_DYN_CTL_ITR_INDX_S); 682 if (vsi) 683 if (test_bit(ICE_VSI_DOWN, vsi->state)) 684 return; 685 wr32(hw, GLINT_DYN_CTL(vector), val); 686 } 687 688 /** 689 * ice_netdev_to_pf - Retrieve the PF struct associated with a netdev 690 * @netdev: pointer to the netdev struct 691 */ 692 static inline struct ice_pf *ice_netdev_to_pf(struct net_device *netdev) 693 { 694 struct ice_netdev_priv *np = netdev_priv(netdev); 695 696 return np->vsi->back; 697 } 698 699 static inline bool ice_is_xdp_ena_vsi(struct ice_vsi *vsi) 700 { 701 return !!READ_ONCE(vsi->xdp_prog); 702 } 703 704 static inline void ice_set_ring_xdp(struct ice_tx_ring *ring) 705 { 706 ring->flags |= ICE_TX_FLAGS_RING_XDP; 707 } 708 709 /** 710 * ice_xsk_pool - get XSK buffer pool bound to a ring 711 * @ring: Rx ring to use 712 * 713 * Returns a pointer to xsk_buff_pool structure if there is a buffer pool 714 * present, NULL otherwise. 715 */ 716 static inline struct xsk_buff_pool *ice_xsk_pool(struct ice_rx_ring *ring) 717 { 718 struct ice_vsi *vsi = ring->vsi; 719 u16 qid = ring->q_index; 720 721 if (!ice_is_xdp_ena_vsi(vsi) || !test_bit(qid, vsi->af_xdp_zc_qps)) 722 return NULL; 723 724 return xsk_get_pool_from_qid(vsi->netdev, qid); 725 } 726 727 /** 728 * ice_tx_xsk_pool - assign XSK buff pool to XDP ring 729 * @vsi: pointer to VSI 730 * @qid: index of a queue to look at XSK buff pool presence 731 * 732 * Sets XSK buff pool pointer on XDP ring. 733 * 734 * XDP ring is picked from Rx ring, whereas Rx ring is picked based on provided 735 * queue id. Reason for doing so is that queue vectors might have assigned more 736 * than one XDP ring, e.g. when user reduced the queue count on netdev; Rx ring 737 * carries a pointer to one of these XDP rings for its own purposes, such as 738 * handling XDP_TX action, therefore we can piggyback here on the 739 * rx_ring->xdp_ring assignment that was done during XDP rings initialization. 740 */ 741 static inline void ice_tx_xsk_pool(struct ice_vsi *vsi, u16 qid) 742 { 743 struct ice_tx_ring *ring; 744 745 ring = vsi->rx_rings[qid]->xdp_ring; 746 if (!ring) 747 return; 748 749 if (!ice_is_xdp_ena_vsi(vsi) || !test_bit(qid, vsi->af_xdp_zc_qps)) { 750 ring->xsk_pool = NULL; 751 return; 752 } 753 754 ring->xsk_pool = xsk_get_pool_from_qid(vsi->netdev, qid); 755 } 756 757 /** 758 * ice_get_main_vsi - Get the PF VSI 759 * @pf: PF instance 760 * 761 * returns pf->vsi[0], which by definition is the PF VSI 762 */ 763 static inline struct ice_vsi *ice_get_main_vsi(struct ice_pf *pf) 764 { 765 if (pf->vsi) 766 return pf->vsi[0]; 767 768 return NULL; 769 } 770 771 /** 772 * ice_get_netdev_priv_vsi - return VSI associated with netdev priv. 773 * @np: private netdev structure 774 */ 775 static inline struct ice_vsi *ice_get_netdev_priv_vsi(struct ice_netdev_priv *np) 776 { 777 /* In case of port representor return source port VSI. */ 778 if (np->repr) 779 return np->repr->src_vsi; 780 else 781 return np->vsi; 782 } 783 784 /** 785 * ice_get_ctrl_vsi - Get the control VSI 786 * @pf: PF instance 787 */ 788 static inline struct ice_vsi *ice_get_ctrl_vsi(struct ice_pf *pf) 789 { 790 /* if pf->ctrl_vsi_idx is ICE_NO_VSI, control VSI was not set up */ 791 if (!pf->vsi || pf->ctrl_vsi_idx == ICE_NO_VSI) 792 return NULL; 793 794 return pf->vsi[pf->ctrl_vsi_idx]; 795 } 796 797 /** 798 * ice_find_vsi - Find the VSI from VSI ID 799 * @pf: The PF pointer to search in 800 * @vsi_num: The VSI ID to search for 801 */ 802 static inline struct ice_vsi *ice_find_vsi(struct ice_pf *pf, u16 vsi_num) 803 { 804 int i; 805 806 ice_for_each_vsi(pf, i) 807 if (pf->vsi[i] && pf->vsi[i]->vsi_num == vsi_num) 808 return pf->vsi[i]; 809 return NULL; 810 } 811 812 /** 813 * ice_is_switchdev_running - check if switchdev is configured 814 * @pf: pointer to PF structure 815 * 816 * Returns true if eswitch mode is set to DEVLINK_ESWITCH_MODE_SWITCHDEV 817 * and switchdev is configured, false otherwise. 818 */ 819 static inline bool ice_is_switchdev_running(struct ice_pf *pf) 820 { 821 return pf->switchdev.is_running; 822 } 823 824 #define ICE_FD_STAT_CTR_BLOCK_COUNT 256 825 #define ICE_FD_STAT_PF_IDX(base_idx) \ 826 ((base_idx) * ICE_FD_STAT_CTR_BLOCK_COUNT) 827 #define ICE_FD_SB_STAT_IDX(base_idx) ICE_FD_STAT_PF_IDX(base_idx) 828 #define ICE_FD_STAT_CH 1 829 #define ICE_FD_CH_STAT_IDX(base_idx) \ 830 (ICE_FD_STAT_PF_IDX(base_idx) + ICE_FD_STAT_CH) 831 832 /** 833 * ice_is_adq_active - any active ADQs 834 * @pf: pointer to PF 835 * 836 * This function returns true if there are any ADQs configured (which is 837 * determined by looking at VSI type (which should be VSI_PF), numtc, and 838 * TC_MQPRIO flag) otherwise return false 839 */ 840 static inline bool ice_is_adq_active(struct ice_pf *pf) 841 { 842 struct ice_vsi *vsi; 843 844 vsi = ice_get_main_vsi(pf); 845 if (!vsi) 846 return false; 847 848 /* is ADQ configured */ 849 if (vsi->tc_cfg.numtc > ICE_CHNL_START_TC && 850 test_bit(ICE_FLAG_TC_MQPRIO, pf->flags)) 851 return true; 852 853 return false; 854 } 855 856 bool netif_is_ice(struct net_device *dev); 857 int ice_vsi_setup_tx_rings(struct ice_vsi *vsi); 858 int ice_vsi_setup_rx_rings(struct ice_vsi *vsi); 859 int ice_vsi_open_ctrl(struct ice_vsi *vsi); 860 int ice_vsi_open(struct ice_vsi *vsi); 861 void ice_set_ethtool_ops(struct net_device *netdev); 862 void ice_set_ethtool_repr_ops(struct net_device *netdev); 863 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev); 864 u16 ice_get_avail_txq_count(struct ice_pf *pf); 865 u16 ice_get_avail_rxq_count(struct ice_pf *pf); 866 int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx, bool locked); 867 void ice_update_vsi_stats(struct ice_vsi *vsi); 868 void ice_update_pf_stats(struct ice_pf *pf); 869 void 870 ice_fetch_u64_stats_per_ring(struct u64_stats_sync *syncp, 871 struct ice_q_stats stats, u64 *pkts, u64 *bytes); 872 int ice_up(struct ice_vsi *vsi); 873 int ice_down(struct ice_vsi *vsi); 874 int ice_down_up(struct ice_vsi *vsi); 875 int ice_vsi_cfg_lan(struct ice_vsi *vsi); 876 struct ice_vsi *ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi); 877 int ice_vsi_determine_xdp_res(struct ice_vsi *vsi); 878 int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog); 879 int ice_destroy_xdp_rings(struct ice_vsi *vsi); 880 int 881 ice_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames, 882 u32 flags); 883 int ice_set_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size); 884 int ice_get_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size); 885 int ice_set_rss_key(struct ice_vsi *vsi, u8 *seed); 886 int ice_get_rss_key(struct ice_vsi *vsi, u8 *seed); 887 void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size); 888 int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset); 889 void ice_print_link_msg(struct ice_vsi *vsi, bool isup); 890 int ice_plug_aux_dev(struct ice_pf *pf); 891 void ice_unplug_aux_dev(struct ice_pf *pf); 892 int ice_init_rdma(struct ice_pf *pf); 893 void ice_deinit_rdma(struct ice_pf *pf); 894 const char *ice_aq_str(enum ice_aq_err aq_err); 895 bool ice_is_wol_supported(struct ice_hw *hw); 896 void ice_fdir_del_all_fltrs(struct ice_vsi *vsi); 897 int 898 ice_fdir_write_fltr(struct ice_pf *pf, struct ice_fdir_fltr *input, bool add, 899 bool is_tun); 900 void ice_vsi_manage_fdir(struct ice_vsi *vsi, bool ena); 901 int ice_add_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd); 902 int ice_del_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd); 903 int ice_get_ethtool_fdir_entry(struct ice_hw *hw, struct ethtool_rxnfc *cmd); 904 int 905 ice_get_fdir_fltr_ids(struct ice_hw *hw, struct ethtool_rxnfc *cmd, 906 u32 *rule_locs); 907 void ice_fdir_rem_adq_chnl(struct ice_hw *hw, u16 vsi_idx); 908 void ice_fdir_release_flows(struct ice_hw *hw); 909 void ice_fdir_replay_flows(struct ice_hw *hw); 910 void ice_fdir_replay_fltrs(struct ice_pf *pf); 911 int ice_fdir_create_dflt_rules(struct ice_pf *pf); 912 int ice_aq_wait_for_event(struct ice_pf *pf, u16 opcode, unsigned long timeout, 913 struct ice_rq_event_info *event); 914 int ice_open(struct net_device *netdev); 915 int ice_open_internal(struct net_device *netdev); 916 int ice_stop(struct net_device *netdev); 917 void ice_service_task_schedule(struct ice_pf *pf); 918 int ice_load(struct ice_pf *pf); 919 void ice_unload(struct ice_pf *pf); 920 921 /** 922 * ice_set_rdma_cap - enable RDMA support 923 * @pf: PF struct 924 */ 925 static inline void ice_set_rdma_cap(struct ice_pf *pf) 926 { 927 if (pf->hw.func_caps.common_cap.rdma && pf->num_rdma_msix) { 928 set_bit(ICE_FLAG_RDMA_ENA, pf->flags); 929 set_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags); 930 } 931 } 932 933 /** 934 * ice_clear_rdma_cap - disable RDMA support 935 * @pf: PF struct 936 */ 937 static inline void ice_clear_rdma_cap(struct ice_pf *pf) 938 { 939 /* defer unplug to service task to avoid RTNL lock and 940 * clear PLUG bit so that pending plugs don't interfere 941 */ 942 clear_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags); 943 set_bit(ICE_FLAG_UNPLUG_AUX_DEV, pf->flags); 944 clear_bit(ICE_FLAG_RDMA_ENA, pf->flags); 945 } 946 #endif /* _ICE_H_ */ 947