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/avf/virtchnl.h> 38 #include <linux/cpu_rmap.h> 39 #include <net/devlink.h> 40 #include <net/ipv6.h> 41 #include <net/xdp_sock.h> 42 #include <net/geneve.h> 43 #include <net/gre.h> 44 #include <net/udp_tunnel.h> 45 #include <net/vxlan.h> 46 #include "ice_devids.h" 47 #include "ice_type.h" 48 #include "ice_txrx.h" 49 #include "ice_dcb.h" 50 #include "ice_switch.h" 51 #include "ice_common.h" 52 #include "ice_sched.h" 53 #include "ice_virtchnl_pf.h" 54 #include "ice_sriov.h" 55 #include "ice_fdir.h" 56 #include "ice_xsk.h" 57 #include "ice_arfs.h" 58 59 #define ICE_BAR0 0 60 #define ICE_REQ_DESC_MULTIPLE 32 61 #define ICE_MIN_NUM_DESC 64 62 #define ICE_MAX_NUM_DESC 8160 63 #define ICE_DFLT_MIN_RX_DESC 512 64 #define ICE_DFLT_NUM_TX_DESC 256 65 #define ICE_DFLT_NUM_RX_DESC 2048 66 67 #define ICE_DFLT_TRAFFIC_CLASS BIT(0) 68 #define ICE_INT_NAME_STR_LEN (IFNAMSIZ + 16) 69 #define ICE_AQ_LEN 64 70 #define ICE_MBXSQ_LEN 64 71 #define ICE_MIN_MSIX 2 72 #define ICE_FDIR_MSIX 1 73 #define ICE_NO_VSI 0xffff 74 #define ICE_VSI_MAP_CONTIG 0 75 #define ICE_VSI_MAP_SCATTER 1 76 #define ICE_MAX_SCATTER_TXQS 16 77 #define ICE_MAX_SCATTER_RXQS 16 78 #define ICE_Q_WAIT_RETRY_LIMIT 10 79 #define ICE_Q_WAIT_MAX_RETRY (5 * ICE_Q_WAIT_RETRY_LIMIT) 80 #define ICE_MAX_LG_RSS_QS 256 81 #define ICE_RES_VALID_BIT 0x8000 82 #define ICE_RES_MISC_VEC_ID (ICE_RES_VALID_BIT - 1) 83 #define ICE_INVAL_Q_INDEX 0xffff 84 #define ICE_INVAL_VFID 256 85 86 #define ICE_MAX_RESET_WAIT 20 87 88 #define ICE_VSIQF_HKEY_ARRAY_SIZE ((VSIQF_HKEY_MAX_INDEX + 1) * 4) 89 90 #define ICE_DFLT_NETIF_M (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK) 91 92 #define ICE_MAX_MTU (ICE_AQ_SET_MAC_FRAME_SIZE_MAX - ICE_ETH_PKT_HDR_PAD) 93 94 #define ICE_UP_TABLE_TRANSLATE(val, i) \ 95 (((val) << ICE_AQ_VSI_UP_TABLE_UP##i##_S) & \ 96 ICE_AQ_VSI_UP_TABLE_UP##i##_M) 97 98 #define ICE_TX_DESC(R, i) (&(((struct ice_tx_desc *)((R)->desc))[i])) 99 #define ICE_RX_DESC(R, i) (&(((union ice_32b_rx_flex_desc *)((R)->desc))[i])) 100 #define ICE_TX_CTX_DESC(R, i) (&(((struct ice_tx_ctx_desc *)((R)->desc))[i])) 101 #define ICE_TX_FDIRDESC(R, i) (&(((struct ice_fltr_desc *)((R)->desc))[i])) 102 103 /* Macro for each VSI in a PF */ 104 #define ice_for_each_vsi(pf, i) \ 105 for ((i) = 0; (i) < (pf)->num_alloc_vsi; (i)++) 106 107 /* Macros for each Tx/Rx ring in a VSI */ 108 #define ice_for_each_txq(vsi, i) \ 109 for ((i) = 0; (i) < (vsi)->num_txq; (i)++) 110 111 #define ice_for_each_rxq(vsi, i) \ 112 for ((i) = 0; (i) < (vsi)->num_rxq; (i)++) 113 114 /* Macros for each allocated Tx/Rx ring whether used or not in a VSI */ 115 #define ice_for_each_alloc_txq(vsi, i) \ 116 for ((i) = 0; (i) < (vsi)->alloc_txq; (i)++) 117 118 #define ice_for_each_alloc_rxq(vsi, i) \ 119 for ((i) = 0; (i) < (vsi)->alloc_rxq; (i)++) 120 121 #define ice_for_each_q_vector(vsi, i) \ 122 for ((i) = 0; (i) < (vsi)->num_q_vectors; (i)++) 123 124 #define ICE_UCAST_PROMISC_BITS (ICE_PROMISC_UCAST_TX | ICE_PROMISC_MCAST_TX | \ 125 ICE_PROMISC_UCAST_RX | ICE_PROMISC_MCAST_RX) 126 127 #define ICE_UCAST_VLAN_PROMISC_BITS (ICE_PROMISC_UCAST_TX | \ 128 ICE_PROMISC_MCAST_TX | \ 129 ICE_PROMISC_UCAST_RX | \ 130 ICE_PROMISC_MCAST_RX | \ 131 ICE_PROMISC_VLAN_TX | \ 132 ICE_PROMISC_VLAN_RX) 133 134 #define ICE_MCAST_PROMISC_BITS (ICE_PROMISC_MCAST_TX | ICE_PROMISC_MCAST_RX) 135 136 #define ICE_MCAST_VLAN_PROMISC_BITS (ICE_PROMISC_MCAST_TX | \ 137 ICE_PROMISC_MCAST_RX | \ 138 ICE_PROMISC_VLAN_TX | \ 139 ICE_PROMISC_VLAN_RX) 140 141 #define ice_pf_to_dev(pf) (&((pf)->pdev->dev)) 142 143 struct ice_txq_meta { 144 u32 q_teid; /* Tx-scheduler element identifier */ 145 u16 q_id; /* Entry in VSI's txq_map bitmap */ 146 u16 q_handle; /* Relative index of Tx queue within TC */ 147 u16 vsi_idx; /* VSI index that Tx queue belongs to */ 148 u8 tc; /* TC number that Tx queue belongs to */ 149 }; 150 151 struct ice_tc_info { 152 u16 qoffset; 153 u16 qcount_tx; 154 u16 qcount_rx; 155 u8 netdev_tc; 156 }; 157 158 struct ice_tc_cfg { 159 u8 numtc; /* Total number of enabled TCs */ 160 u8 ena_tc; /* Tx map */ 161 struct ice_tc_info tc_info[ICE_MAX_TRAFFIC_CLASS]; 162 }; 163 164 struct ice_res_tracker { 165 u16 num_entries; 166 u16 end; 167 u16 list[1]; 168 }; 169 170 struct ice_qs_cfg { 171 struct mutex *qs_mutex; /* will be assigned to &pf->avail_q_mutex */ 172 unsigned long *pf_map; 173 unsigned long pf_map_size; 174 unsigned int q_count; 175 unsigned int scatter_count; 176 u16 *vsi_map; 177 u16 vsi_map_offset; 178 u8 mapping_mode; 179 }; 180 181 struct ice_sw { 182 struct ice_pf *pf; 183 u16 sw_id; /* switch ID for this switch */ 184 u16 bridge_mode; /* VEB/VEPA/Port Virtualizer */ 185 struct ice_vsi *dflt_vsi; /* default VSI for this switch */ 186 u8 dflt_vsi_ena:1; /* true if above dflt_vsi is enabled */ 187 }; 188 189 enum ice_state { 190 __ICE_TESTING, 191 __ICE_DOWN, 192 __ICE_NEEDS_RESTART, 193 __ICE_PREPARED_FOR_RESET, /* set by driver when prepared */ 194 __ICE_RESET_OICR_RECV, /* set by driver after rcv reset OICR */ 195 __ICE_DCBNL_DEVRESET, /* set by dcbnl devreset */ 196 __ICE_PFR_REQ, /* set by driver and peers */ 197 __ICE_CORER_REQ, /* set by driver and peers */ 198 __ICE_GLOBR_REQ, /* set by driver and peers */ 199 __ICE_CORER_RECV, /* set by OICR handler */ 200 __ICE_GLOBR_RECV, /* set by OICR handler */ 201 __ICE_EMPR_RECV, /* set by OICR handler */ 202 __ICE_SUSPENDED, /* set on module remove path */ 203 __ICE_RESET_FAILED, /* set by reset/rebuild */ 204 /* When checking for the PF to be in a nominal operating state, the 205 * bits that are grouped at the beginning of the list need to be 206 * checked. Bits occurring before __ICE_STATE_NOMINAL_CHECK_BITS will 207 * be checked. If you need to add a bit into consideration for nominal 208 * operating state, it must be added before 209 * __ICE_STATE_NOMINAL_CHECK_BITS. Do not move this entry's position 210 * without appropriate consideration. 211 */ 212 __ICE_STATE_NOMINAL_CHECK_BITS, 213 __ICE_ADMINQ_EVENT_PENDING, 214 __ICE_MAILBOXQ_EVENT_PENDING, 215 __ICE_MDD_EVENT_PENDING, 216 __ICE_VFLR_EVENT_PENDING, 217 __ICE_FLTR_OVERFLOW_PROMISC, 218 __ICE_VF_DIS, 219 __ICE_CFG_BUSY, 220 __ICE_SERVICE_SCHED, 221 __ICE_SERVICE_DIS, 222 __ICE_FD_FLUSH_REQ, 223 __ICE_OICR_INTR_DIS, /* Global OICR interrupt disabled */ 224 __ICE_MDD_VF_PRINT_PENDING, /* set when MDD event handle */ 225 __ICE_VF_RESETS_DISABLED, /* disable resets during ice_remove */ 226 __ICE_LINK_DEFAULT_OVERRIDE_PENDING, 227 __ICE_PHY_INIT_COMPLETE, 228 __ICE_STATE_NBITS /* must be last */ 229 }; 230 231 enum ice_vsi_flags { 232 ICE_VSI_FLAG_UMAC_FLTR_CHANGED, 233 ICE_VSI_FLAG_MMAC_FLTR_CHANGED, 234 ICE_VSI_FLAG_VLAN_FLTR_CHANGED, 235 ICE_VSI_FLAG_PROMISC_CHANGED, 236 ICE_VSI_FLAG_NBITS /* must be last */ 237 }; 238 239 /* struct that defines a VSI, associated with a dev */ 240 struct ice_vsi { 241 struct net_device *netdev; 242 struct ice_sw *vsw; /* switch this VSI is on */ 243 struct ice_pf *back; /* back pointer to PF */ 244 struct ice_port_info *port_info; /* back pointer to port_info */ 245 struct ice_ring **rx_rings; /* Rx ring array */ 246 struct ice_ring **tx_rings; /* Tx ring array */ 247 struct ice_q_vector **q_vectors; /* q_vector array */ 248 249 irqreturn_t (*irq_handler)(int irq, void *data); 250 251 u64 tx_linearize; 252 DECLARE_BITMAP(state, __ICE_STATE_NBITS); 253 DECLARE_BITMAP(flags, ICE_VSI_FLAG_NBITS); 254 unsigned int current_netdev_flags; 255 u32 tx_restart; 256 u32 tx_busy; 257 u32 rx_buf_failed; 258 u32 rx_page_failed; 259 u32 rx_gro_dropped; 260 u16 num_q_vectors; 261 u16 base_vector; /* IRQ base for OS reserved vectors */ 262 enum ice_vsi_type type; 263 u16 vsi_num; /* HW (absolute) index of this VSI */ 264 u16 idx; /* software index in pf->vsi[] */ 265 266 s16 vf_id; /* VF ID for SR-IOV VSIs */ 267 268 u16 ethtype; /* Ethernet protocol for pause frame */ 269 u16 num_gfltr; 270 u16 num_bfltr; 271 272 /* RSS config */ 273 u16 rss_table_size; /* HW RSS table size */ 274 u16 rss_size; /* Allocated RSS queues */ 275 u8 *rss_hkey_user; /* User configured hash keys */ 276 u8 *rss_lut_user; /* User configured lookup table entries */ 277 u8 rss_lut_type; /* used to configure Get/Set RSS LUT AQ call */ 278 279 /* aRFS members only allocated for the PF VSI */ 280 #define ICE_MAX_ARFS_LIST 1024 281 #define ICE_ARFS_LST_MASK (ICE_MAX_ARFS_LIST - 1) 282 struct hlist_head *arfs_fltr_list; 283 struct ice_arfs_active_fltr_cntrs *arfs_fltr_cntrs; 284 spinlock_t arfs_lock; /* protects aRFS hash table and filter state */ 285 atomic_t *arfs_last_fltr_id; 286 287 u16 max_frame; 288 u16 rx_buf_len; 289 290 struct ice_aqc_vsi_props info; /* VSI properties */ 291 292 /* VSI stats */ 293 struct rtnl_link_stats64 net_stats; 294 struct ice_eth_stats eth_stats; 295 struct ice_eth_stats eth_stats_prev; 296 297 struct list_head tmp_sync_list; /* MAC filters to be synced */ 298 struct list_head tmp_unsync_list; /* MAC filters to be unsynced */ 299 300 u8 irqs_ready:1; 301 u8 current_isup:1; /* Sync 'link up' logging */ 302 u8 stat_offsets_loaded:1; 303 u8 vlan_ena:1; 304 u16 num_vlan; 305 306 /* queue information */ 307 u8 tx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */ 308 u8 rx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */ 309 u16 *txq_map; /* index in pf->avail_txqs */ 310 u16 *rxq_map; /* index in pf->avail_rxqs */ 311 u16 alloc_txq; /* Allocated Tx queues */ 312 u16 num_txq; /* Used Tx queues */ 313 u16 alloc_rxq; /* Allocated Rx queues */ 314 u16 num_rxq; /* Used Rx queues */ 315 u16 req_txq; /* User requested Tx queues */ 316 u16 req_rxq; /* User requested Rx queues */ 317 u16 num_rx_desc; 318 u16 num_tx_desc; 319 struct ice_tc_cfg tc_cfg; 320 struct bpf_prog *xdp_prog; 321 struct ice_ring **xdp_rings; /* XDP ring array */ 322 u16 num_xdp_txq; /* Used XDP queues */ 323 u8 xdp_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */ 324 struct xdp_umem **xsk_umems; 325 u16 num_xsk_umems_used; 326 u16 num_xsk_umems; 327 } ____cacheline_internodealigned_in_smp; 328 329 /* struct that defines an interrupt vector */ 330 struct ice_q_vector { 331 struct ice_vsi *vsi; 332 333 u16 v_idx; /* index in the vsi->q_vector array. */ 334 u16 reg_idx; 335 u8 num_ring_rx; /* total number of Rx rings in vector */ 336 u8 num_ring_tx; /* total number of Tx rings in vector */ 337 u8 itr_countdown; /* when 0 should adjust adaptive ITR */ 338 /* in usecs, need to use ice_intrl_to_usecs_reg() before writing this 339 * value to the device 340 */ 341 u8 intrl; 342 343 struct napi_struct napi; 344 345 struct ice_ring_container rx; 346 struct ice_ring_container tx; 347 348 cpumask_t affinity_mask; 349 struct irq_affinity_notify affinity_notify; 350 351 char name[ICE_INT_NAME_STR_LEN]; 352 } ____cacheline_internodealigned_in_smp; 353 354 enum ice_pf_flags { 355 ICE_FLAG_FLTR_SYNC, 356 ICE_FLAG_RSS_ENA, 357 ICE_FLAG_SRIOV_ENA, 358 ICE_FLAG_SRIOV_CAPABLE, 359 ICE_FLAG_DCB_CAPABLE, 360 ICE_FLAG_DCB_ENA, 361 ICE_FLAG_FD_ENA, 362 ICE_FLAG_ADV_FEATURES, 363 ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, 364 ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, 365 ICE_FLAG_NO_MEDIA, 366 ICE_FLAG_FW_LLDP_AGENT, 367 ICE_FLAG_ETHTOOL_CTXT, /* set when ethtool holds RTNL lock */ 368 ICE_FLAG_LEGACY_RX, 369 ICE_FLAG_VF_TRUE_PROMISC_ENA, 370 ICE_FLAG_MDD_AUTO_RESET_VF, 371 ICE_FLAG_LINK_LENIENT_MODE_ENA, 372 ICE_PF_FLAGS_NBITS /* must be last */ 373 }; 374 375 struct ice_pf { 376 struct pci_dev *pdev; 377 378 /* devlink port data */ 379 struct devlink_port devlink_port; 380 381 struct devlink_region *nvm_region; 382 struct devlink_region *devcaps_region; 383 384 /* OS reserved IRQ details */ 385 struct msix_entry *msix_entries; 386 struct ice_res_tracker *irq_tracker; 387 /* First MSIX vector used by SR-IOV VFs. Calculated by subtracting the 388 * number of MSIX vectors needed for all SR-IOV VFs from the number of 389 * MSIX vectors allowed on this PF. 390 */ 391 u16 sriov_base_vector; 392 393 u16 ctrl_vsi_idx; /* control VSI index in pf->vsi array */ 394 395 struct ice_vsi **vsi; /* VSIs created by the driver */ 396 struct ice_sw *first_sw; /* first switch created by firmware */ 397 /* Virtchnl/SR-IOV config info */ 398 struct ice_vf *vf; 399 u16 num_alloc_vfs; /* actual number of VFs allocated */ 400 u16 num_vfs_supported; /* num VFs supported for this PF */ 401 u16 num_qps_per_vf; 402 u16 num_msix_per_vf; 403 /* used to ratelimit the MDD event logging */ 404 unsigned long last_printed_mdd_jiffies; 405 DECLARE_BITMAP(state, __ICE_STATE_NBITS); 406 DECLARE_BITMAP(flags, ICE_PF_FLAGS_NBITS); 407 unsigned long *avail_txqs; /* bitmap to track PF Tx queue usage */ 408 unsigned long *avail_rxqs; /* bitmap to track PF Rx queue usage */ 409 unsigned long serv_tmr_period; 410 unsigned long serv_tmr_prev; 411 struct timer_list serv_tmr; 412 struct work_struct serv_task; 413 struct mutex avail_q_mutex; /* protects access to avail_[rx|tx]qs */ 414 struct mutex sw_mutex; /* lock for protecting VSI alloc flow */ 415 struct mutex tc_mutex; /* lock to protect TC changes */ 416 u32 msg_enable; 417 418 /* spinlock to protect the AdminQ wait list */ 419 spinlock_t aq_wait_lock; 420 struct hlist_head aq_wait_list; 421 wait_queue_head_t aq_wait_queue; 422 423 u32 hw_csum_rx_error; 424 u16 oicr_idx; /* Other interrupt cause MSIX vector index */ 425 u16 num_avail_sw_msix; /* remaining MSIX SW vectors left unclaimed */ 426 u16 max_pf_txqs; /* Total Tx queues PF wide */ 427 u16 max_pf_rxqs; /* Total Rx queues PF wide */ 428 u16 num_lan_msix; /* Total MSIX vectors for base driver */ 429 u16 num_lan_tx; /* num LAN Tx queues setup */ 430 u16 num_lan_rx; /* num LAN Rx queues setup */ 431 u16 next_vsi; /* Next free slot in pf->vsi[] - 0-based! */ 432 u16 num_alloc_vsi; 433 u16 corer_count; /* Core reset count */ 434 u16 globr_count; /* Global reset count */ 435 u16 empr_count; /* EMP reset count */ 436 u16 pfr_count; /* PF reset count */ 437 438 u8 wol_ena : 1; /* software state of WoL */ 439 u32 wakeup_reason; /* last wakeup reason */ 440 struct ice_hw_port_stats stats; 441 struct ice_hw_port_stats stats_prev; 442 struct ice_hw hw; 443 u8 stat_prev_loaded:1; /* has previous stats been loaded */ 444 #ifdef CONFIG_DCB 445 u16 dcbx_cap; 446 #endif /* CONFIG_DCB */ 447 u32 tx_timeout_count; 448 unsigned long tx_timeout_last_recovery; 449 u32 tx_timeout_recovery_level; 450 char int_name[ICE_INT_NAME_STR_LEN]; 451 u32 sw_int_count; 452 453 __le64 nvm_phy_type_lo; /* NVM PHY type low */ 454 __le64 nvm_phy_type_hi; /* NVM PHY type high */ 455 struct ice_link_default_override_tlv link_dflt_override; 456 }; 457 458 struct ice_netdev_priv { 459 struct ice_vsi *vsi; 460 }; 461 462 /** 463 * ice_irq_dynamic_ena - Enable default interrupt generation settings 464 * @hw: pointer to HW struct 465 * @vsi: pointer to VSI struct, can be NULL 466 * @q_vector: pointer to q_vector, can be NULL 467 */ 468 static inline void 469 ice_irq_dynamic_ena(struct ice_hw *hw, struct ice_vsi *vsi, 470 struct ice_q_vector *q_vector) 471 { 472 u32 vector = (vsi && q_vector) ? q_vector->reg_idx : 473 ((struct ice_pf *)hw->back)->oicr_idx; 474 int itr = ICE_ITR_NONE; 475 u32 val; 476 477 /* clear the PBA here, as this function is meant to clean out all 478 * previous interrupts and enable the interrupt 479 */ 480 val = GLINT_DYN_CTL_INTENA_M | GLINT_DYN_CTL_CLEARPBA_M | 481 (itr << GLINT_DYN_CTL_ITR_INDX_S); 482 if (vsi) 483 if (test_bit(__ICE_DOWN, vsi->state)) 484 return; 485 wr32(hw, GLINT_DYN_CTL(vector), val); 486 } 487 488 /** 489 * ice_netdev_to_pf - Retrieve the PF struct associated with a netdev 490 * @netdev: pointer to the netdev struct 491 */ 492 static inline struct ice_pf *ice_netdev_to_pf(struct net_device *netdev) 493 { 494 struct ice_netdev_priv *np = netdev_priv(netdev); 495 496 return np->vsi->back; 497 } 498 499 static inline bool ice_is_xdp_ena_vsi(struct ice_vsi *vsi) 500 { 501 return !!vsi->xdp_prog; 502 } 503 504 static inline void ice_set_ring_xdp(struct ice_ring *ring) 505 { 506 ring->flags |= ICE_TX_FLAGS_RING_XDP; 507 } 508 509 /** 510 * ice_xsk_umem - get XDP UMEM bound to a ring 511 * @ring - ring to use 512 * 513 * Returns a pointer to xdp_umem structure if there is an UMEM present, 514 * NULL otherwise. 515 */ 516 static inline struct xdp_umem *ice_xsk_umem(struct ice_ring *ring) 517 { 518 struct xdp_umem **umems = ring->vsi->xsk_umems; 519 u16 qid = ring->q_index; 520 521 if (ice_ring_is_xdp(ring)) 522 qid -= ring->vsi->num_xdp_txq; 523 524 if (qid >= ring->vsi->num_xsk_umems || !umems || !umems[qid] || 525 !ice_is_xdp_ena_vsi(ring->vsi)) 526 return NULL; 527 528 return umems[qid]; 529 } 530 531 /** 532 * ice_get_main_vsi - Get the PF VSI 533 * @pf: PF instance 534 * 535 * returns pf->vsi[0], which by definition is the PF VSI 536 */ 537 static inline struct ice_vsi *ice_get_main_vsi(struct ice_pf *pf) 538 { 539 if (pf->vsi) 540 return pf->vsi[0]; 541 542 return NULL; 543 } 544 545 /** 546 * ice_get_ctrl_vsi - Get the control VSI 547 * @pf: PF instance 548 */ 549 static inline struct ice_vsi *ice_get_ctrl_vsi(struct ice_pf *pf) 550 { 551 /* if pf->ctrl_vsi_idx is ICE_NO_VSI, control VSI was not set up */ 552 if (!pf->vsi || pf->ctrl_vsi_idx == ICE_NO_VSI) 553 return NULL; 554 555 return pf->vsi[pf->ctrl_vsi_idx]; 556 } 557 558 #define ICE_FD_STAT_CTR_BLOCK_COUNT 256 559 #define ICE_FD_STAT_PF_IDX(base_idx) \ 560 ((base_idx) * ICE_FD_STAT_CTR_BLOCK_COUNT) 561 #define ICE_FD_SB_STAT_IDX(base_idx) ICE_FD_STAT_PF_IDX(base_idx) 562 563 int ice_vsi_setup_tx_rings(struct ice_vsi *vsi); 564 int ice_vsi_setup_rx_rings(struct ice_vsi *vsi); 565 int ice_vsi_open_ctrl(struct ice_vsi *vsi); 566 void ice_set_ethtool_ops(struct net_device *netdev); 567 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev); 568 u16 ice_get_avail_txq_count(struct ice_pf *pf); 569 u16 ice_get_avail_rxq_count(struct ice_pf *pf); 570 int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx); 571 void ice_update_vsi_stats(struct ice_vsi *vsi); 572 void ice_update_pf_stats(struct ice_pf *pf); 573 int ice_up(struct ice_vsi *vsi); 574 int ice_down(struct ice_vsi *vsi); 575 int ice_vsi_cfg(struct ice_vsi *vsi); 576 struct ice_vsi *ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi); 577 int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog); 578 int ice_destroy_xdp_rings(struct ice_vsi *vsi); 579 int 580 ice_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames, 581 u32 flags); 582 int ice_set_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size); 583 int ice_get_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size); 584 void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size); 585 int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset); 586 void ice_print_link_msg(struct ice_vsi *vsi, bool isup); 587 const char *ice_stat_str(enum ice_status stat_err); 588 const char *ice_aq_str(enum ice_aq_err aq_err); 589 bool ice_is_wol_supported(struct ice_pf *pf); 590 int 591 ice_fdir_write_fltr(struct ice_pf *pf, struct ice_fdir_fltr *input, bool add, 592 bool is_tun); 593 void ice_vsi_manage_fdir(struct ice_vsi *vsi, bool ena); 594 int ice_add_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd); 595 int ice_del_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd); 596 int ice_get_ethtool_fdir_entry(struct ice_hw *hw, struct ethtool_rxnfc *cmd); 597 int 598 ice_get_fdir_fltr_ids(struct ice_hw *hw, struct ethtool_rxnfc *cmd, 599 u32 *rule_locs); 600 void ice_fdir_release_flows(struct ice_hw *hw); 601 void ice_fdir_replay_flows(struct ice_hw *hw); 602 void ice_fdir_replay_fltrs(struct ice_pf *pf); 603 int ice_fdir_create_dflt_rules(struct ice_pf *pf); 604 int ice_aq_wait_for_event(struct ice_pf *pf, u16 opcode, unsigned long timeout, 605 struct ice_rq_event_info *event); 606 int ice_open(struct net_device *netdev); 607 int ice_stop(struct net_device *netdev); 608 void ice_service_task_schedule(struct ice_pf *pf); 609 610 #endif /* _ICE_H_ */ 611