1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright (c) 2018, Intel Corporation. */ 3 4 #ifndef _ICE_H_ 5 #define _ICE_H_ 6 7 #include <linux/types.h> 8 #include <linux/errno.h> 9 #include <linux/kernel.h> 10 #include <linux/module.h> 11 #include <linux/firmware.h> 12 #include <linux/netdevice.h> 13 #include <linux/compiler.h> 14 #include <linux/etherdevice.h> 15 #include <linux/skbuff.h> 16 #include <linux/cpumask.h> 17 #include <linux/rtnetlink.h> 18 #include <linux/if_vlan.h> 19 #include <linux/dma-mapping.h> 20 #include <linux/pci.h> 21 #include <linux/workqueue.h> 22 #include <linux/wait.h> 23 #include <linux/aer.h> 24 #include <linux/interrupt.h> 25 #include <linux/ethtool.h> 26 #include <linux/timer.h> 27 #include <linux/delay.h> 28 #include <linux/bitmap.h> 29 #include <linux/log2.h> 30 #include <linux/ip.h> 31 #include <linux/sctp.h> 32 #include <linux/ipv6.h> 33 #include <linux/pkt_sched.h> 34 #include <linux/if_bridge.h> 35 #include <linux/ctype.h> 36 #include <linux/bpf.h> 37 #include <linux/auxiliary_bus.h> 38 #include <linux/avf/virtchnl.h> 39 #include <linux/cpu_rmap.h> 40 #include <linux/dim.h> 41 #include <net/devlink.h> 42 #include <net/ipv6.h> 43 #include <net/xdp_sock.h> 44 #include <net/xdp_sock_drv.h> 45 #include <net/geneve.h> 46 #include <net/gre.h> 47 #include <net/udp_tunnel.h> 48 #include <net/vxlan.h> 49 #if IS_ENABLED(CONFIG_DCB) 50 #include <scsi/iscsi_proto.h> 51 #endif /* CONFIG_DCB */ 52 #include "ice_devids.h" 53 #include "ice_type.h" 54 #include "ice_txrx.h" 55 #include "ice_dcb.h" 56 #include "ice_switch.h" 57 #include "ice_common.h" 58 #include "ice_sched.h" 59 #include "ice_idc_int.h" 60 #include "ice_virtchnl_pf.h" 61 #include "ice_sriov.h" 62 #include "ice_ptp.h" 63 #include "ice_fdir.h" 64 #include "ice_xsk.h" 65 #include "ice_arfs.h" 66 #include "ice_repr.h" 67 #include "ice_lag.h" 68 69 #define ICE_BAR0 0 70 #define ICE_REQ_DESC_MULTIPLE 32 71 #define ICE_MIN_NUM_DESC 64 72 #define ICE_MAX_NUM_DESC 8160 73 #define ICE_DFLT_MIN_RX_DESC 512 74 #define ICE_DFLT_NUM_TX_DESC 256 75 #define ICE_DFLT_NUM_RX_DESC 2048 76 77 #define ICE_DFLT_TRAFFIC_CLASS BIT(0) 78 #define ICE_INT_NAME_STR_LEN (IFNAMSIZ + 16) 79 #define ICE_AQ_LEN 192 80 #define ICE_MBXSQ_LEN 64 81 #define ICE_SBQ_LEN 64 82 #define ICE_MIN_LAN_TXRX_MSIX 1 83 #define ICE_MIN_LAN_OICR_MSIX 1 84 #define ICE_MIN_MSIX (ICE_MIN_LAN_TXRX_MSIX + ICE_MIN_LAN_OICR_MSIX) 85 #define ICE_FDIR_MSIX 2 86 #define ICE_RDMA_NUM_AEQ_MSIX 4 87 #define ICE_MIN_RDMA_MSIX 2 88 #define ICE_ESWITCH_MSIX 1 89 #define ICE_NO_VSI 0xffff 90 #define ICE_VSI_MAP_CONTIG 0 91 #define ICE_VSI_MAP_SCATTER 1 92 #define ICE_MAX_SCATTER_TXQS 16 93 #define ICE_MAX_SCATTER_RXQS 16 94 #define ICE_Q_WAIT_RETRY_LIMIT 10 95 #define ICE_Q_WAIT_MAX_RETRY (5 * ICE_Q_WAIT_RETRY_LIMIT) 96 #define ICE_MAX_LG_RSS_QS 256 97 #define ICE_RES_VALID_BIT 0x8000 98 #define ICE_RES_MISC_VEC_ID (ICE_RES_VALID_BIT - 1) 99 #define ICE_RES_RDMA_VEC_ID (ICE_RES_MISC_VEC_ID - 1) 100 /* All VF control VSIs share the same IRQ, so assign a unique ID for them */ 101 #define ICE_RES_VF_CTRL_VEC_ID (ICE_RES_RDMA_VEC_ID - 1) 102 #define ICE_INVAL_Q_INDEX 0xffff 103 #define ICE_INVAL_VFID 256 104 105 #define ICE_MAX_RXQS_PER_TC 256 /* Used when setting VSI context per TC Rx queues */ 106 #define ICE_MAX_RESET_WAIT 20 107 108 #define ICE_VSIQF_HKEY_ARRAY_SIZE ((VSIQF_HKEY_MAX_INDEX + 1) * 4) 109 110 #define ICE_DFLT_NETIF_M (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK) 111 112 #define ICE_MAX_MTU (ICE_AQ_SET_MAC_FRAME_SIZE_MAX - ICE_ETH_PKT_HDR_PAD) 113 114 #define ICE_UP_TABLE_TRANSLATE(val, i) \ 115 (((val) << ICE_AQ_VSI_UP_TABLE_UP##i##_S) & \ 116 ICE_AQ_VSI_UP_TABLE_UP##i##_M) 117 118 #define ICE_TX_DESC(R, i) (&(((struct ice_tx_desc *)((R)->desc))[i])) 119 #define ICE_RX_DESC(R, i) (&(((union ice_32b_rx_flex_desc *)((R)->desc))[i])) 120 #define ICE_TX_CTX_DESC(R, i) (&(((struct ice_tx_ctx_desc *)((R)->desc))[i])) 121 #define ICE_TX_FDIRDESC(R, i) (&(((struct ice_fltr_desc *)((R)->desc))[i])) 122 123 /* Macro for each VSI in a PF */ 124 #define ice_for_each_vsi(pf, i) \ 125 for ((i) = 0; (i) < (pf)->num_alloc_vsi; (i)++) 126 127 /* Macros for each Tx/Rx ring in a VSI */ 128 #define ice_for_each_txq(vsi, i) \ 129 for ((i) = 0; (i) < (vsi)->num_txq; (i)++) 130 131 #define ice_for_each_rxq(vsi, i) \ 132 for ((i) = 0; (i) < (vsi)->num_rxq; (i)++) 133 134 /* Macros for each allocated Tx/Rx ring whether used or not in a VSI */ 135 #define ice_for_each_alloc_txq(vsi, i) \ 136 for ((i) = 0; (i) < (vsi)->alloc_txq; (i)++) 137 138 #define ice_for_each_alloc_rxq(vsi, i) \ 139 for ((i) = 0; (i) < (vsi)->alloc_rxq; (i)++) 140 141 #define ice_for_each_q_vector(vsi, i) \ 142 for ((i) = 0; (i) < (vsi)->num_q_vectors; (i)++) 143 144 #define ICE_UCAST_PROMISC_BITS (ICE_PROMISC_UCAST_TX | ICE_PROMISC_MCAST_TX | \ 145 ICE_PROMISC_UCAST_RX | ICE_PROMISC_MCAST_RX) 146 147 #define ICE_UCAST_VLAN_PROMISC_BITS (ICE_PROMISC_UCAST_TX | \ 148 ICE_PROMISC_MCAST_TX | \ 149 ICE_PROMISC_UCAST_RX | \ 150 ICE_PROMISC_MCAST_RX | \ 151 ICE_PROMISC_VLAN_TX | \ 152 ICE_PROMISC_VLAN_RX) 153 154 #define ICE_MCAST_PROMISC_BITS (ICE_PROMISC_MCAST_TX | ICE_PROMISC_MCAST_RX) 155 156 #define ICE_MCAST_VLAN_PROMISC_BITS (ICE_PROMISC_MCAST_TX | \ 157 ICE_PROMISC_MCAST_RX | \ 158 ICE_PROMISC_VLAN_TX | \ 159 ICE_PROMISC_VLAN_RX) 160 161 #define ice_pf_to_dev(pf) (&((pf)->pdev->dev)) 162 163 enum ice_feature { 164 ICE_F_DSCP, 165 ICE_F_MAX 166 }; 167 168 struct ice_txq_meta { 169 u32 q_teid; /* Tx-scheduler element identifier */ 170 u16 q_id; /* Entry in VSI's txq_map bitmap */ 171 u16 q_handle; /* Relative index of Tx queue within TC */ 172 u16 vsi_idx; /* VSI index that Tx queue belongs to */ 173 u8 tc; /* TC number that Tx queue belongs to */ 174 }; 175 176 struct ice_tc_info { 177 u16 qoffset; 178 u16 qcount_tx; 179 u16 qcount_rx; 180 u8 netdev_tc; 181 }; 182 183 struct ice_tc_cfg { 184 u8 numtc; /* Total number of enabled TCs */ 185 u8 ena_tc; /* Tx map */ 186 struct ice_tc_info tc_info[ICE_MAX_TRAFFIC_CLASS]; 187 }; 188 189 struct ice_res_tracker { 190 u16 num_entries; 191 u16 end; 192 u16 list[]; 193 }; 194 195 struct ice_qs_cfg { 196 struct mutex *qs_mutex; /* will be assigned to &pf->avail_q_mutex */ 197 unsigned long *pf_map; 198 unsigned long pf_map_size; 199 unsigned int q_count; 200 unsigned int scatter_count; 201 u16 *vsi_map; 202 u16 vsi_map_offset; 203 u8 mapping_mode; 204 }; 205 206 struct ice_sw { 207 struct ice_pf *pf; 208 u16 sw_id; /* switch ID for this switch */ 209 u16 bridge_mode; /* VEB/VEPA/Port Virtualizer */ 210 struct ice_vsi *dflt_vsi; /* default VSI for this switch */ 211 u8 dflt_vsi_ena:1; /* true if above dflt_vsi is enabled */ 212 }; 213 214 enum ice_pf_state { 215 ICE_TESTING, 216 ICE_DOWN, 217 ICE_NEEDS_RESTART, 218 ICE_PREPARED_FOR_RESET, /* set by driver when prepared */ 219 ICE_RESET_OICR_RECV, /* set by driver after rcv reset OICR */ 220 ICE_PFR_REQ, /* set by driver */ 221 ICE_CORER_REQ, /* set by driver */ 222 ICE_GLOBR_REQ, /* set by driver */ 223 ICE_CORER_RECV, /* set by OICR handler */ 224 ICE_GLOBR_RECV, /* set by OICR handler */ 225 ICE_EMPR_RECV, /* set by OICR handler */ 226 ICE_SUSPENDED, /* set on module remove path */ 227 ICE_RESET_FAILED, /* set by reset/rebuild */ 228 /* When checking for the PF to be in a nominal operating state, the 229 * bits that are grouped at the beginning of the list need to be 230 * checked. Bits occurring before ICE_STATE_NOMINAL_CHECK_BITS will 231 * be checked. If you need to add a bit into consideration for nominal 232 * operating state, it must be added before 233 * ICE_STATE_NOMINAL_CHECK_BITS. Do not move this entry's position 234 * without appropriate consideration. 235 */ 236 ICE_STATE_NOMINAL_CHECK_BITS, 237 ICE_ADMINQ_EVENT_PENDING, 238 ICE_MAILBOXQ_EVENT_PENDING, 239 ICE_SIDEBANDQ_EVENT_PENDING, 240 ICE_MDD_EVENT_PENDING, 241 ICE_VFLR_EVENT_PENDING, 242 ICE_FLTR_OVERFLOW_PROMISC, 243 ICE_VF_DIS, 244 ICE_VF_DEINIT_IN_PROGRESS, 245 ICE_CFG_BUSY, 246 ICE_SERVICE_SCHED, 247 ICE_SERVICE_DIS, 248 ICE_FD_FLUSH_REQ, 249 ICE_OICR_INTR_DIS, /* Global OICR interrupt disabled */ 250 ICE_MDD_VF_PRINT_PENDING, /* set when MDD event handle */ 251 ICE_VF_RESETS_DISABLED, /* disable resets during ice_remove */ 252 ICE_LINK_DEFAULT_OVERRIDE_PENDING, 253 ICE_PHY_INIT_COMPLETE, 254 ICE_FD_VF_FLUSH_CTX, /* set at FD Rx IRQ or timeout */ 255 ICE_STATE_NBITS /* must be last */ 256 }; 257 258 enum ice_vsi_state { 259 ICE_VSI_DOWN, 260 ICE_VSI_NEEDS_RESTART, 261 ICE_VSI_NETDEV_ALLOCD, 262 ICE_VSI_NETDEV_REGISTERED, 263 ICE_VSI_UMAC_FLTR_CHANGED, 264 ICE_VSI_MMAC_FLTR_CHANGED, 265 ICE_VSI_VLAN_FLTR_CHANGED, 266 ICE_VSI_PROMISC_CHANGED, 267 ICE_VSI_STATE_NBITS /* must be last */ 268 }; 269 270 /* struct that defines a VSI, associated with a dev */ 271 struct ice_vsi { 272 struct net_device *netdev; 273 struct ice_sw *vsw; /* switch this VSI is on */ 274 struct ice_pf *back; /* back pointer to PF */ 275 struct ice_port_info *port_info; /* back pointer to port_info */ 276 struct ice_ring **rx_rings; /* Rx ring array */ 277 struct ice_ring **tx_rings; /* Tx ring array */ 278 struct ice_q_vector **q_vectors; /* q_vector array */ 279 280 irqreturn_t (*irq_handler)(int irq, void *data); 281 282 u64 tx_linearize; 283 DECLARE_BITMAP(state, ICE_VSI_STATE_NBITS); 284 unsigned int current_netdev_flags; 285 u32 tx_restart; 286 u32 tx_busy; 287 u32 rx_buf_failed; 288 u32 rx_page_failed; 289 u16 num_q_vectors; 290 u16 base_vector; /* IRQ base for OS reserved vectors */ 291 enum ice_vsi_type type; 292 u16 vsi_num; /* HW (absolute) index of this VSI */ 293 u16 idx; /* software index in pf->vsi[] */ 294 295 s16 vf_id; /* VF ID for SR-IOV VSIs */ 296 297 u16 ethtype; /* Ethernet protocol for pause frame */ 298 u16 num_gfltr; 299 u16 num_bfltr; 300 301 /* RSS config */ 302 u16 rss_table_size; /* HW RSS table size */ 303 u16 rss_size; /* Allocated RSS queues */ 304 u8 *rss_hkey_user; /* User configured hash keys */ 305 u8 *rss_lut_user; /* User configured lookup table entries */ 306 u8 rss_lut_type; /* used to configure Get/Set RSS LUT AQ call */ 307 308 /* aRFS members only allocated for the PF VSI */ 309 #define ICE_MAX_ARFS_LIST 1024 310 #define ICE_ARFS_LST_MASK (ICE_MAX_ARFS_LIST - 1) 311 struct hlist_head *arfs_fltr_list; 312 struct ice_arfs_active_fltr_cntrs *arfs_fltr_cntrs; 313 spinlock_t arfs_lock; /* protects aRFS hash table and filter state */ 314 atomic_t *arfs_last_fltr_id; 315 316 u16 max_frame; 317 u16 rx_buf_len; 318 319 struct ice_aqc_vsi_props info; /* VSI properties */ 320 321 /* VSI stats */ 322 struct rtnl_link_stats64 net_stats; 323 struct ice_eth_stats eth_stats; 324 struct ice_eth_stats eth_stats_prev; 325 326 struct list_head tmp_sync_list; /* MAC filters to be synced */ 327 struct list_head tmp_unsync_list; /* MAC filters to be unsynced */ 328 329 u8 irqs_ready:1; 330 u8 current_isup:1; /* Sync 'link up' logging */ 331 u8 stat_offsets_loaded:1; 332 u16 num_vlan; 333 334 /* queue information */ 335 u8 tx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */ 336 u8 rx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */ 337 u16 *txq_map; /* index in pf->avail_txqs */ 338 u16 *rxq_map; /* index in pf->avail_rxqs */ 339 u16 alloc_txq; /* Allocated Tx queues */ 340 u16 num_txq; /* Used Tx queues */ 341 u16 alloc_rxq; /* Allocated Rx queues */ 342 u16 num_rxq; /* Used Rx queues */ 343 u16 req_txq; /* User requested Tx queues */ 344 u16 req_rxq; /* User requested Rx queues */ 345 u16 num_rx_desc; 346 u16 num_tx_desc; 347 u16 qset_handle[ICE_MAX_TRAFFIC_CLASS]; 348 struct ice_tc_cfg tc_cfg; 349 struct bpf_prog *xdp_prog; 350 struct ice_ring **xdp_rings; /* XDP ring array */ 351 unsigned long *af_xdp_zc_qps; /* tracks AF_XDP ZC enabled qps */ 352 u16 num_xdp_txq; /* Used XDP queues */ 353 u8 xdp_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */ 354 355 struct net_device **target_netdevs; 356 357 /* setup back reference, to which aggregator node this VSI 358 * corresponds to 359 */ 360 struct ice_agg_node *agg_node; 361 } ____cacheline_internodealigned_in_smp; 362 363 /* struct that defines an interrupt vector */ 364 struct ice_q_vector { 365 struct ice_vsi *vsi; 366 367 u16 v_idx; /* index in the vsi->q_vector array. */ 368 u16 reg_idx; 369 u8 num_ring_rx; /* total number of Rx rings in vector */ 370 u8 num_ring_tx; /* total number of Tx rings in vector */ 371 u8 wb_on_itr:1; /* if true, WB on ITR is enabled */ 372 /* in usecs, need to use ice_intrl_to_usecs_reg() before writing this 373 * value to the device 374 */ 375 u8 intrl; 376 377 struct napi_struct napi; 378 379 struct ice_ring_container rx; 380 struct ice_ring_container tx; 381 382 cpumask_t affinity_mask; 383 struct irq_affinity_notify affinity_notify; 384 385 char name[ICE_INT_NAME_STR_LEN]; 386 387 u16 total_events; /* net_dim(): number of interrupts processed */ 388 } ____cacheline_internodealigned_in_smp; 389 390 enum ice_pf_flags { 391 ICE_FLAG_FLTR_SYNC, 392 ICE_FLAG_RDMA_ENA, 393 ICE_FLAG_RSS_ENA, 394 ICE_FLAG_SRIOV_ENA, 395 ICE_FLAG_SRIOV_CAPABLE, 396 ICE_FLAG_DCB_CAPABLE, 397 ICE_FLAG_DCB_ENA, 398 ICE_FLAG_FD_ENA, 399 ICE_FLAG_PTP_SUPPORTED, /* PTP is supported by NVM */ 400 ICE_FLAG_PTP, /* PTP is enabled by software */ 401 ICE_FLAG_AUX_ENA, 402 ICE_FLAG_ADV_FEATURES, 403 ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, 404 ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, 405 ICE_FLAG_NO_MEDIA, 406 ICE_FLAG_FW_LLDP_AGENT, 407 ICE_FLAG_MOD_POWER_UNSUPPORTED, 408 ICE_FLAG_ETHTOOL_CTXT, /* set when ethtool holds RTNL lock */ 409 ICE_FLAG_LEGACY_RX, 410 ICE_FLAG_VF_TRUE_PROMISC_ENA, 411 ICE_FLAG_MDD_AUTO_RESET_VF, 412 ICE_FLAG_LINK_LENIENT_MODE_ENA, 413 ICE_PF_FLAGS_NBITS /* must be last */ 414 }; 415 416 struct ice_switchdev_info { 417 struct ice_vsi *control_vsi; 418 struct ice_vsi *uplink_vsi; 419 bool is_running; 420 }; 421 422 struct ice_agg_node { 423 u32 agg_id; 424 #define ICE_MAX_VSIS_IN_AGG_NODE 64 425 u32 num_vsis; 426 u8 valid; 427 }; 428 429 struct ice_pf { 430 struct pci_dev *pdev; 431 432 struct devlink_region *nvm_region; 433 struct devlink_region *devcaps_region; 434 435 /* devlink port data */ 436 struct devlink_port devlink_port; 437 438 /* OS reserved IRQ details */ 439 struct msix_entry *msix_entries; 440 struct ice_res_tracker *irq_tracker; 441 /* First MSIX vector used by SR-IOV VFs. Calculated by subtracting the 442 * number of MSIX vectors needed for all SR-IOV VFs from the number of 443 * MSIX vectors allowed on this PF. 444 */ 445 u16 sriov_base_vector; 446 447 u16 ctrl_vsi_idx; /* control VSI index in pf->vsi array */ 448 449 struct ice_vsi **vsi; /* VSIs created by the driver */ 450 struct ice_sw *first_sw; /* first switch created by firmware */ 451 u16 eswitch_mode; /* current mode of eswitch */ 452 /* Virtchnl/SR-IOV config info */ 453 struct ice_vf *vf; 454 u16 num_alloc_vfs; /* actual number of VFs allocated */ 455 u16 num_vfs_supported; /* num VFs supported for this PF */ 456 u16 num_qps_per_vf; 457 u16 num_msix_per_vf; 458 /* used to ratelimit the MDD event logging */ 459 unsigned long last_printed_mdd_jiffies; 460 DECLARE_BITMAP(malvfs, ICE_MAX_VF_COUNT); 461 DECLARE_BITMAP(features, ICE_F_MAX); 462 DECLARE_BITMAP(state, ICE_STATE_NBITS); 463 DECLARE_BITMAP(flags, ICE_PF_FLAGS_NBITS); 464 unsigned long *avail_txqs; /* bitmap to track PF Tx queue usage */ 465 unsigned long *avail_rxqs; /* bitmap to track PF Rx queue usage */ 466 unsigned long serv_tmr_period; 467 unsigned long serv_tmr_prev; 468 struct timer_list serv_tmr; 469 struct work_struct serv_task; 470 struct mutex avail_q_mutex; /* protects access to avail_[rx|tx]qs */ 471 struct mutex sw_mutex; /* lock for protecting VSI alloc flow */ 472 struct mutex tc_mutex; /* lock to protect TC changes */ 473 u32 msg_enable; 474 struct ice_ptp ptp; 475 u16 num_rdma_msix; /* Total MSIX vectors for RDMA driver */ 476 u16 rdma_base_vector; 477 478 /* spinlock to protect the AdminQ wait list */ 479 spinlock_t aq_wait_lock; 480 struct hlist_head aq_wait_list; 481 wait_queue_head_t aq_wait_queue; 482 483 wait_queue_head_t reset_wait_queue; 484 485 u32 hw_csum_rx_error; 486 u16 oicr_idx; /* Other interrupt cause MSIX vector index */ 487 u16 num_avail_sw_msix; /* remaining MSIX SW vectors left unclaimed */ 488 u16 max_pf_txqs; /* Total Tx queues PF wide */ 489 u16 max_pf_rxqs; /* Total Rx queues PF wide */ 490 u16 num_lan_msix; /* Total MSIX vectors for base driver */ 491 u16 num_lan_tx; /* num LAN Tx queues setup */ 492 u16 num_lan_rx; /* num LAN Rx queues setup */ 493 u16 next_vsi; /* Next free slot in pf->vsi[] - 0-based! */ 494 u16 num_alloc_vsi; 495 u16 corer_count; /* Core reset count */ 496 u16 globr_count; /* Global reset count */ 497 u16 empr_count; /* EMP reset count */ 498 u16 pfr_count; /* PF reset count */ 499 500 u8 wol_ena : 1; /* software state of WoL */ 501 u32 wakeup_reason; /* last wakeup reason */ 502 struct ice_hw_port_stats stats; 503 struct ice_hw_port_stats stats_prev; 504 struct ice_hw hw; 505 u8 stat_prev_loaded:1; /* has previous stats been loaded */ 506 u16 dcbx_cap; 507 u32 tx_timeout_count; 508 unsigned long tx_timeout_last_recovery; 509 u32 tx_timeout_recovery_level; 510 char int_name[ICE_INT_NAME_STR_LEN]; 511 struct auxiliary_device *adev; 512 int aux_idx; 513 u32 sw_int_count; 514 515 __le64 nvm_phy_type_lo; /* NVM PHY type low */ 516 __le64 nvm_phy_type_hi; /* NVM PHY type high */ 517 struct ice_link_default_override_tlv link_dflt_override; 518 struct ice_lag *lag; /* Link Aggregation information */ 519 520 struct ice_switchdev_info switchdev; 521 522 #define ICE_INVALID_AGG_NODE_ID 0 523 #define ICE_PF_AGG_NODE_ID_START 1 524 #define ICE_MAX_PF_AGG_NODES 32 525 struct ice_agg_node pf_agg_node[ICE_MAX_PF_AGG_NODES]; 526 #define ICE_VF_AGG_NODE_ID_START 65 527 #define ICE_MAX_VF_AGG_NODES 32 528 struct ice_agg_node vf_agg_node[ICE_MAX_VF_AGG_NODES]; 529 }; 530 531 struct ice_netdev_priv { 532 struct ice_vsi *vsi; 533 struct ice_repr *repr; 534 }; 535 536 /** 537 * ice_irq_dynamic_ena - Enable default interrupt generation settings 538 * @hw: pointer to HW struct 539 * @vsi: pointer to VSI struct, can be NULL 540 * @q_vector: pointer to q_vector, can be NULL 541 */ 542 static inline void 543 ice_irq_dynamic_ena(struct ice_hw *hw, struct ice_vsi *vsi, 544 struct ice_q_vector *q_vector) 545 { 546 u32 vector = (vsi && q_vector) ? q_vector->reg_idx : 547 ((struct ice_pf *)hw->back)->oicr_idx; 548 int itr = ICE_ITR_NONE; 549 u32 val; 550 551 /* clear the PBA here, as this function is meant to clean out all 552 * previous interrupts and enable the interrupt 553 */ 554 val = GLINT_DYN_CTL_INTENA_M | GLINT_DYN_CTL_CLEARPBA_M | 555 (itr << GLINT_DYN_CTL_ITR_INDX_S); 556 if (vsi) 557 if (test_bit(ICE_VSI_DOWN, vsi->state)) 558 return; 559 wr32(hw, GLINT_DYN_CTL(vector), val); 560 } 561 562 /** 563 * ice_netdev_to_pf - Retrieve the PF struct associated with a netdev 564 * @netdev: pointer to the netdev struct 565 */ 566 static inline struct ice_pf *ice_netdev_to_pf(struct net_device *netdev) 567 { 568 struct ice_netdev_priv *np = netdev_priv(netdev); 569 570 return np->vsi->back; 571 } 572 573 static inline bool ice_is_xdp_ena_vsi(struct ice_vsi *vsi) 574 { 575 return !!vsi->xdp_prog; 576 } 577 578 static inline void ice_set_ring_xdp(struct ice_ring *ring) 579 { 580 ring->flags |= ICE_TX_FLAGS_RING_XDP; 581 } 582 583 /** 584 * ice_xsk_pool - get XSK buffer pool bound to a ring 585 * @ring: ring to use 586 * 587 * Returns a pointer to xdp_umem structure if there is a buffer pool present, 588 * NULL otherwise. 589 */ 590 static inline struct xsk_buff_pool *ice_xsk_pool(struct ice_ring *ring) 591 { 592 struct ice_vsi *vsi = ring->vsi; 593 u16 qid = ring->q_index; 594 595 if (ice_ring_is_xdp(ring)) 596 qid -= vsi->num_xdp_txq; 597 598 if (!ice_is_xdp_ena_vsi(vsi) || !test_bit(qid, vsi->af_xdp_zc_qps)) 599 return NULL; 600 601 return xsk_get_pool_from_qid(vsi->netdev, qid); 602 } 603 604 /** 605 * ice_get_main_vsi - Get the PF VSI 606 * @pf: PF instance 607 * 608 * returns pf->vsi[0], which by definition is the PF VSI 609 */ 610 static inline struct ice_vsi *ice_get_main_vsi(struct ice_pf *pf) 611 { 612 if (pf->vsi) 613 return pf->vsi[0]; 614 615 return NULL; 616 } 617 618 /** 619 * ice_get_netdev_priv_vsi - return VSI associated with netdev priv. 620 * @np: private netdev structure 621 */ 622 static inline struct ice_vsi *ice_get_netdev_priv_vsi(struct ice_netdev_priv *np) 623 { 624 /* In case of port representor return source port VSI. */ 625 if (np->repr) 626 return np->repr->src_vsi; 627 else 628 return np->vsi; 629 } 630 631 /** 632 * ice_get_ctrl_vsi - Get the control VSI 633 * @pf: PF instance 634 */ 635 static inline struct ice_vsi *ice_get_ctrl_vsi(struct ice_pf *pf) 636 { 637 /* if pf->ctrl_vsi_idx is ICE_NO_VSI, control VSI was not set up */ 638 if (!pf->vsi || pf->ctrl_vsi_idx == ICE_NO_VSI) 639 return NULL; 640 641 return pf->vsi[pf->ctrl_vsi_idx]; 642 } 643 644 /** 645 * ice_is_switchdev_running - check if switchdev is configured 646 * @pf: pointer to PF structure 647 * 648 * Returns true if eswitch mode is set to DEVLINK_ESWITCH_MODE_SWITCHDEV 649 * and switchdev is configured, false otherwise. 650 */ 651 static inline bool ice_is_switchdev_running(struct ice_pf *pf) 652 { 653 return pf->switchdev.is_running; 654 } 655 656 /** 657 * ice_set_sriov_cap - enable SRIOV in PF flags 658 * @pf: PF struct 659 */ 660 static inline void ice_set_sriov_cap(struct ice_pf *pf) 661 { 662 if (pf->hw.func_caps.common_cap.sr_iov_1_1) 663 set_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags); 664 } 665 666 /** 667 * ice_clear_sriov_cap - disable SRIOV in PF flags 668 * @pf: PF struct 669 */ 670 static inline void ice_clear_sriov_cap(struct ice_pf *pf) 671 { 672 clear_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags); 673 } 674 675 #define ICE_FD_STAT_CTR_BLOCK_COUNT 256 676 #define ICE_FD_STAT_PF_IDX(base_idx) \ 677 ((base_idx) * ICE_FD_STAT_CTR_BLOCK_COUNT) 678 #define ICE_FD_SB_STAT_IDX(base_idx) ICE_FD_STAT_PF_IDX(base_idx) 679 680 bool netif_is_ice(struct net_device *dev); 681 int ice_vsi_setup_tx_rings(struct ice_vsi *vsi); 682 int ice_vsi_setup_rx_rings(struct ice_vsi *vsi); 683 int ice_vsi_open_ctrl(struct ice_vsi *vsi); 684 int ice_vsi_open(struct ice_vsi *vsi); 685 void ice_set_ethtool_ops(struct net_device *netdev); 686 void ice_set_ethtool_repr_ops(struct net_device *netdev); 687 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev); 688 u16 ice_get_avail_txq_count(struct ice_pf *pf); 689 u16 ice_get_avail_rxq_count(struct ice_pf *pf); 690 int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx); 691 void ice_update_vsi_stats(struct ice_vsi *vsi); 692 void ice_update_pf_stats(struct ice_pf *pf); 693 int ice_up(struct ice_vsi *vsi); 694 int ice_down(struct ice_vsi *vsi); 695 int ice_vsi_cfg(struct ice_vsi *vsi); 696 struct ice_vsi *ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi); 697 int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog); 698 int ice_destroy_xdp_rings(struct ice_vsi *vsi); 699 int 700 ice_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames, 701 u32 flags); 702 int ice_set_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size); 703 int ice_get_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size); 704 int ice_set_rss_key(struct ice_vsi *vsi, u8 *seed); 705 int ice_get_rss_key(struct ice_vsi *vsi, u8 *seed); 706 void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size); 707 int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset); 708 void ice_print_link_msg(struct ice_vsi *vsi, bool isup); 709 int ice_plug_aux_dev(struct ice_pf *pf); 710 void ice_unplug_aux_dev(struct ice_pf *pf); 711 int ice_init_rdma(struct ice_pf *pf); 712 const char *ice_stat_str(enum ice_status stat_err); 713 const char *ice_aq_str(enum ice_aq_err aq_err); 714 bool ice_is_wol_supported(struct ice_hw *hw); 715 int 716 ice_fdir_write_fltr(struct ice_pf *pf, struct ice_fdir_fltr *input, bool add, 717 bool is_tun); 718 void ice_vsi_manage_fdir(struct ice_vsi *vsi, bool ena); 719 int ice_add_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd); 720 int ice_del_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd); 721 int ice_get_ethtool_fdir_entry(struct ice_hw *hw, struct ethtool_rxnfc *cmd); 722 int 723 ice_get_fdir_fltr_ids(struct ice_hw *hw, struct ethtool_rxnfc *cmd, 724 u32 *rule_locs); 725 void ice_fdir_release_flows(struct ice_hw *hw); 726 void ice_fdir_replay_flows(struct ice_hw *hw); 727 void ice_fdir_replay_fltrs(struct ice_pf *pf); 728 int ice_fdir_create_dflt_rules(struct ice_pf *pf); 729 int ice_aq_wait_for_event(struct ice_pf *pf, u16 opcode, unsigned long timeout, 730 struct ice_rq_event_info *event); 731 int ice_open(struct net_device *netdev); 732 int ice_open_internal(struct net_device *netdev); 733 int ice_stop(struct net_device *netdev); 734 void ice_service_task_schedule(struct ice_pf *pf); 735 736 /** 737 * ice_set_rdma_cap - enable RDMA support 738 * @pf: PF struct 739 */ 740 static inline void ice_set_rdma_cap(struct ice_pf *pf) 741 { 742 if (pf->hw.func_caps.common_cap.rdma && pf->num_rdma_msix) { 743 set_bit(ICE_FLAG_RDMA_ENA, pf->flags); 744 set_bit(ICE_FLAG_AUX_ENA, pf->flags); 745 ice_plug_aux_dev(pf); 746 } 747 } 748 749 /** 750 * ice_clear_rdma_cap - disable RDMA support 751 * @pf: PF struct 752 */ 753 static inline void ice_clear_rdma_cap(struct ice_pf *pf) 754 { 755 ice_unplug_aux_dev(pf); 756 clear_bit(ICE_FLAG_RDMA_ENA, pf->flags); 757 clear_bit(ICE_FLAG_AUX_ENA, pf->flags); 758 } 759 #endif /* _ICE_H_ */ 760