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