1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright (c) 2018, Intel Corporation. */ 3 4 #ifndef _ICE_H_ 5 #define _ICE_H_ 6 7 #include <linux/types.h> 8 #include <linux/errno.h> 9 #include <linux/kernel.h> 10 #include <linux/module.h> 11 #include <linux/firmware.h> 12 #include <linux/netdevice.h> 13 #include <linux/compiler.h> 14 #include <linux/etherdevice.h> 15 #include <linux/skbuff.h> 16 #include <linux/cpumask.h> 17 #include <linux/rtnetlink.h> 18 #include <linux/if_vlan.h> 19 #include <linux/dma-mapping.h> 20 #include <linux/pci.h> 21 #include <linux/workqueue.h> 22 #include <linux/wait.h> 23 #include <linux/interrupt.h> 24 #include <linux/ethtool.h> 25 #include <linux/timer.h> 26 #include <linux/delay.h> 27 #include <linux/bitmap.h> 28 #include <linux/log2.h> 29 #include <linux/ip.h> 30 #include <linux/sctp.h> 31 #include <linux/ipv6.h> 32 #include <linux/pkt_sched.h> 33 #include <linux/if_bridge.h> 34 #include <linux/ctype.h> 35 #include <linux/linkmode.h> 36 #include <linux/bpf.h> 37 #include <linux/btf.h> 38 #include <linux/auxiliary_bus.h> 39 #include <linux/avf/virtchnl.h> 40 #include <linux/cpu_rmap.h> 41 #include <linux/dim.h> 42 #include <linux/gnss.h> 43 #include <net/pkt_cls.h> 44 #include <net/pkt_sched.h> 45 #include <net/tc_act/tc_mirred.h> 46 #include <net/tc_act/tc_gact.h> 47 #include <net/ip.h> 48 #include <net/devlink.h> 49 #include <net/ipv6.h> 50 #include <net/xdp_sock.h> 51 #include <net/xdp_sock_drv.h> 52 #include <net/geneve.h> 53 #include <net/gre.h> 54 #include <net/udp_tunnel.h> 55 #include <net/vxlan.h> 56 #include <net/gtp.h> 57 #include <linux/ppp_defs.h> 58 #include "ice_devids.h" 59 #include "ice_type.h" 60 #include "ice_txrx.h" 61 #include "ice_dcb.h" 62 #include "ice_switch.h" 63 #include "ice_common.h" 64 #include "ice_flow.h" 65 #include "ice_sched.h" 66 #include "ice_idc_int.h" 67 #include "ice_sriov.h" 68 #include "ice_vf_mbx.h" 69 #include "ice_ptp.h" 70 #include "ice_fdir.h" 71 #include "ice_xsk.h" 72 #include "ice_arfs.h" 73 #include "ice_repr.h" 74 #include "ice_eswitch.h" 75 #include "ice_lag.h" 76 #include "ice_vsi_vlan_ops.h" 77 #include "ice_gnss.h" 78 #include "ice_irq.h" 79 #include "ice_dpll.h" 80 #include "ice_adapter.h" 81 82 #define ICE_BAR0 0 83 #define ICE_REQ_DESC_MULTIPLE 32 84 #define ICE_MIN_NUM_DESC 64 85 #define ICE_MAX_NUM_DESC 8160 86 #define ICE_DFLT_MIN_RX_DESC 512 87 #define ICE_DFLT_NUM_TX_DESC 256 88 #define ICE_DFLT_NUM_RX_DESC 2048 89 90 #define ICE_DFLT_TRAFFIC_CLASS BIT(0) 91 #define ICE_INT_NAME_STR_LEN (IFNAMSIZ + 16) 92 #define ICE_AQ_LEN 192 93 #define ICE_MBXSQ_LEN 64 94 #define ICE_SBQ_LEN 64 95 #define ICE_MIN_LAN_TXRX_MSIX 1 96 #define ICE_MIN_LAN_OICR_MSIX 1 97 #define ICE_MIN_MSIX (ICE_MIN_LAN_TXRX_MSIX + ICE_MIN_LAN_OICR_MSIX) 98 #define ICE_FDIR_MSIX 2 99 #define ICE_RDMA_NUM_AEQ_MSIX 4 100 #define ICE_MIN_RDMA_MSIX 2 101 #define ICE_ESWITCH_MSIX 1 102 #define ICE_NO_VSI 0xffff 103 #define ICE_VSI_MAP_CONTIG 0 104 #define ICE_VSI_MAP_SCATTER 1 105 #define ICE_MAX_SCATTER_TXQS 16 106 #define ICE_MAX_SCATTER_RXQS 16 107 #define ICE_Q_WAIT_RETRY_LIMIT 10 108 #define ICE_Q_WAIT_MAX_RETRY (5 * ICE_Q_WAIT_RETRY_LIMIT) 109 #define ICE_MAX_LG_RSS_QS 256 110 #define ICE_INVAL_Q_INDEX 0xffff 111 112 #define ICE_MAX_RXQS_PER_TC 256 /* Used when setting VSI context per TC Rx queues */ 113 114 #define ICE_CHNL_START_TC 1 115 116 #define ICE_MAX_RESET_WAIT 20 117 118 #define ICE_VSIQF_HKEY_ARRAY_SIZE ((VSIQF_HKEY_MAX_INDEX + 1) * 4) 119 120 #define ICE_DFLT_NETIF_M (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK) 121 122 #define ICE_MAX_MTU (ICE_AQ_SET_MAC_FRAME_SIZE_MAX - ICE_ETH_PKT_HDR_PAD) 123 124 #define ICE_MAX_TSO_SIZE 131072 125 126 #define ICE_UP_TABLE_TRANSLATE(val, i) \ 127 (((val) << ICE_AQ_VSI_UP_TABLE_UP##i##_S) & \ 128 ICE_AQ_VSI_UP_TABLE_UP##i##_M) 129 130 #define ICE_TX_DESC(R, i) (&(((struct ice_tx_desc *)((R)->desc))[i])) 131 #define ICE_RX_DESC(R, i) (&(((union ice_32b_rx_flex_desc *)((R)->desc))[i])) 132 #define ICE_TX_CTX_DESC(R, i) (&(((struct ice_tx_ctx_desc *)((R)->desc))[i])) 133 #define ICE_TX_FDIRDESC(R, i) (&(((struct ice_fltr_desc *)((R)->desc))[i])) 134 135 /* Minimum BW limit is 500 Kbps for any scheduler node */ 136 #define ICE_MIN_BW_LIMIT 500 137 /* User can specify BW in either Kbit/Mbit/Gbit and OS converts it in bytes. 138 * use it to convert user specified BW limit into Kbps 139 */ 140 #define ICE_BW_KBPS_DIVISOR 125 141 142 /* Default recipes have priority 4 and below, hence priority values between 5..7 143 * can be used as filter priority for advanced switch filter (advanced switch 144 * filters need new recipe to be created for specified extraction sequence 145 * because default recipe extraction sequence does not represent custom 146 * extraction) 147 */ 148 #define ICE_SWITCH_FLTR_PRIO_QUEUE 7 149 /* prio 6 is reserved for future use (e.g. switch filter with L3 fields + 150 * (Optional: IP TOS/TTL) + L4 fields + (optionally: TCP fields such as 151 * SYN/FIN/RST)) 152 */ 153 #define ICE_SWITCH_FLTR_PRIO_RSVD 6 154 #define ICE_SWITCH_FLTR_PRIO_VSI 5 155 #define ICE_SWITCH_FLTR_PRIO_QGRP ICE_SWITCH_FLTR_PRIO_VSI 156 157 /* Macro for each VSI in a PF */ 158 #define ice_for_each_vsi(pf, i) \ 159 for ((i) = 0; (i) < (pf)->num_alloc_vsi; (i)++) 160 161 /* Macros for each Tx/Xdp/Rx ring in a VSI */ 162 #define ice_for_each_txq(vsi, i) \ 163 for ((i) = 0; (i) < (vsi)->num_txq; (i)++) 164 165 #define ice_for_each_xdp_txq(vsi, i) \ 166 for ((i) = 0; (i) < (vsi)->num_xdp_txq; (i)++) 167 168 #define ice_for_each_rxq(vsi, i) \ 169 for ((i) = 0; (i) < (vsi)->num_rxq; (i)++) 170 171 /* Macros for each allocated Tx/Rx ring whether used or not in a VSI */ 172 #define ice_for_each_alloc_txq(vsi, i) \ 173 for ((i) = 0; (i) < (vsi)->alloc_txq; (i)++) 174 175 #define ice_for_each_alloc_rxq(vsi, i) \ 176 for ((i) = 0; (i) < (vsi)->alloc_rxq; (i)++) 177 178 #define ice_for_each_q_vector(vsi, i) \ 179 for ((i) = 0; (i) < (vsi)->num_q_vectors; (i)++) 180 181 #define ice_for_each_chnl_tc(i) \ 182 for ((i) = ICE_CHNL_START_TC; (i) < ICE_CHNL_MAX_TC; (i)++) 183 184 #define ICE_UCAST_PROMISC_BITS (ICE_PROMISC_UCAST_TX | ICE_PROMISC_UCAST_RX) 185 186 #define ICE_UCAST_VLAN_PROMISC_BITS (ICE_PROMISC_UCAST_TX | \ 187 ICE_PROMISC_UCAST_RX | \ 188 ICE_PROMISC_VLAN_TX | \ 189 ICE_PROMISC_VLAN_RX) 190 191 #define ICE_MCAST_PROMISC_BITS (ICE_PROMISC_MCAST_TX | ICE_PROMISC_MCAST_RX) 192 193 #define ICE_MCAST_VLAN_PROMISC_BITS (ICE_PROMISC_MCAST_TX | \ 194 ICE_PROMISC_MCAST_RX | \ 195 ICE_PROMISC_VLAN_TX | \ 196 ICE_PROMISC_VLAN_RX) 197 198 #define ice_pf_to_dev(pf) (&((pf)->pdev->dev)) 199 200 #define ice_pf_src_tmr_owned(pf) ((pf)->hw.func_caps.ts_func_info.src_tmr_owned) 201 202 enum ice_feature { 203 ICE_F_DSCP, 204 ICE_F_PHY_RCLK, 205 ICE_F_SMA_CTRL, 206 ICE_F_CGU, 207 ICE_F_GNSS, 208 ICE_F_ROCE_LAG, 209 ICE_F_SRIOV_LAG, 210 ICE_F_MAX 211 }; 212 213 DECLARE_STATIC_KEY_FALSE(ice_xdp_locking_key); 214 215 struct ice_channel { 216 struct list_head list; 217 u8 type; 218 u16 sw_id; 219 u16 base_q; 220 u16 num_rxq; 221 u16 num_txq; 222 u16 vsi_num; 223 u8 ena_tc; 224 struct ice_aqc_vsi_props info; 225 u64 max_tx_rate; 226 u64 min_tx_rate; 227 atomic_t num_sb_fltr; 228 struct ice_vsi *ch_vsi; 229 }; 230 231 struct ice_txq_meta { 232 u32 q_teid; /* Tx-scheduler element identifier */ 233 u16 q_id; /* Entry in VSI's txq_map bitmap */ 234 u16 q_handle; /* Relative index of Tx queue within TC */ 235 u16 vsi_idx; /* VSI index that Tx queue belongs to */ 236 u8 tc; /* TC number that Tx queue belongs to */ 237 }; 238 239 struct ice_tc_info { 240 u16 qoffset; 241 u16 qcount_tx; 242 u16 qcount_rx; 243 u8 netdev_tc; 244 }; 245 246 struct ice_tc_cfg { 247 u8 numtc; /* Total number of enabled TCs */ 248 u16 ena_tc; /* Tx map */ 249 struct ice_tc_info tc_info[ICE_MAX_TRAFFIC_CLASS]; 250 }; 251 252 struct ice_qs_cfg { 253 struct mutex *qs_mutex; /* will be assigned to &pf->avail_q_mutex */ 254 unsigned long *pf_map; 255 unsigned long pf_map_size; 256 unsigned int q_count; 257 unsigned int scatter_count; 258 u16 *vsi_map; 259 u16 vsi_map_offset; 260 u8 mapping_mode; 261 }; 262 263 struct ice_sw { 264 struct ice_pf *pf; 265 u16 sw_id; /* switch ID for this switch */ 266 u16 bridge_mode; /* VEB/VEPA/Port Virtualizer */ 267 }; 268 269 enum ice_pf_state { 270 ICE_TESTING, 271 ICE_DOWN, 272 ICE_NEEDS_RESTART, 273 ICE_PREPARED_FOR_RESET, /* set by driver when prepared */ 274 ICE_RESET_OICR_RECV, /* set by driver after rcv reset OICR */ 275 ICE_PFR_REQ, /* set by driver */ 276 ICE_CORER_REQ, /* set by driver */ 277 ICE_GLOBR_REQ, /* set by driver */ 278 ICE_CORER_RECV, /* set by OICR handler */ 279 ICE_GLOBR_RECV, /* set by OICR handler */ 280 ICE_EMPR_RECV, /* set by OICR handler */ 281 ICE_SUSPENDED, /* set on module remove path */ 282 ICE_RESET_FAILED, /* set by reset/rebuild */ 283 /* When checking for the PF to be in a nominal operating state, the 284 * bits that are grouped at the beginning of the list need to be 285 * checked. Bits occurring before ICE_STATE_NOMINAL_CHECK_BITS will 286 * be checked. If you need to add a bit into consideration for nominal 287 * operating state, it must be added before 288 * ICE_STATE_NOMINAL_CHECK_BITS. Do not move this entry's position 289 * without appropriate consideration. 290 */ 291 ICE_STATE_NOMINAL_CHECK_BITS, 292 ICE_ADMINQ_EVENT_PENDING, 293 ICE_MAILBOXQ_EVENT_PENDING, 294 ICE_SIDEBANDQ_EVENT_PENDING, 295 ICE_MDD_EVENT_PENDING, 296 ICE_VFLR_EVENT_PENDING, 297 ICE_FLTR_OVERFLOW_PROMISC, 298 ICE_VF_DIS, 299 ICE_CFG_BUSY, 300 ICE_SERVICE_SCHED, 301 ICE_SERVICE_DIS, 302 ICE_FD_FLUSH_REQ, 303 ICE_OICR_INTR_DIS, /* Global OICR interrupt disabled */ 304 ICE_MDD_VF_PRINT_PENDING, /* set when MDD event handle */ 305 ICE_VF_RESETS_DISABLED, /* disable resets during ice_remove */ 306 ICE_LINK_DEFAULT_OVERRIDE_PENDING, 307 ICE_PHY_INIT_COMPLETE, 308 ICE_FD_VF_FLUSH_CTX, /* set at FD Rx IRQ or timeout */ 309 ICE_AUX_ERR_PENDING, 310 ICE_STATE_NBITS /* must be last */ 311 }; 312 313 enum ice_vsi_state { 314 ICE_VSI_DOWN, 315 ICE_VSI_NEEDS_RESTART, 316 ICE_VSI_NETDEV_ALLOCD, 317 ICE_VSI_NETDEV_REGISTERED, 318 ICE_VSI_UMAC_FLTR_CHANGED, 319 ICE_VSI_MMAC_FLTR_CHANGED, 320 ICE_VSI_PROMISC_CHANGED, 321 ICE_VSI_REBUILD_PENDING, 322 ICE_VSI_STATE_NBITS /* must be last */ 323 }; 324 325 struct ice_vsi_stats { 326 struct ice_ring_stats **tx_ring_stats; /* Tx ring stats array */ 327 struct ice_ring_stats **rx_ring_stats; /* Rx ring stats array */ 328 }; 329 330 /* struct that defines a VSI, associated with a dev */ 331 struct ice_vsi { 332 struct net_device *netdev; 333 struct ice_sw *vsw; /* switch this VSI is on */ 334 struct ice_pf *back; /* back pointer to PF */ 335 struct ice_rx_ring **rx_rings; /* Rx ring array */ 336 struct ice_tx_ring **tx_rings; /* Tx ring array */ 337 struct ice_q_vector **q_vectors; /* q_vector array */ 338 339 irqreturn_t (*irq_handler)(int irq, void *data); 340 341 u64 tx_linearize; 342 DECLARE_BITMAP(state, ICE_VSI_STATE_NBITS); 343 unsigned int current_netdev_flags; 344 u32 tx_restart; 345 u32 tx_busy; 346 u32 rx_buf_failed; 347 u32 rx_page_failed; 348 u16 num_q_vectors; 349 /* tell if only dynamic irq allocation is allowed */ 350 bool irq_dyn_alloc; 351 352 u16 vsi_num; /* HW (absolute) index of this VSI */ 353 u16 idx; /* software index in pf->vsi[] */ 354 355 u16 num_gfltr; 356 u16 num_bfltr; 357 358 /* RSS config */ 359 u16 rss_table_size; /* HW RSS table size */ 360 u16 rss_size; /* Allocated RSS queues */ 361 u8 rss_hfunc; /* User configured hash type */ 362 u8 *rss_hkey_user; /* User configured hash keys */ 363 u8 *rss_lut_user; /* User configured lookup table entries */ 364 u8 rss_lut_type; /* used to configure Get/Set RSS LUT AQ call */ 365 366 /* aRFS members only allocated for the PF VSI */ 367 #define ICE_MAX_ARFS_LIST 1024 368 #define ICE_ARFS_LST_MASK (ICE_MAX_ARFS_LIST - 1) 369 struct hlist_head *arfs_fltr_list; 370 struct ice_arfs_active_fltr_cntrs *arfs_fltr_cntrs; 371 spinlock_t arfs_lock; /* protects aRFS hash table and filter state */ 372 atomic_t *arfs_last_fltr_id; 373 374 u16 max_frame; 375 u16 rx_buf_len; 376 377 struct ice_aqc_vsi_props info; /* VSI properties */ 378 struct ice_vsi_vlan_info vlan_info; /* vlan config to be restored */ 379 380 /* VSI stats */ 381 struct rtnl_link_stats64 net_stats; 382 struct rtnl_link_stats64 net_stats_prev; 383 struct ice_eth_stats eth_stats; 384 struct ice_eth_stats eth_stats_prev; 385 386 struct list_head tmp_sync_list; /* MAC filters to be synced */ 387 struct list_head tmp_unsync_list; /* MAC filters to be unsynced */ 388 389 u8 irqs_ready:1; 390 u8 current_isup:1; /* Sync 'link up' logging */ 391 u8 stat_offsets_loaded:1; 392 struct ice_vsi_vlan_ops inner_vlan_ops; 393 struct ice_vsi_vlan_ops outer_vlan_ops; 394 u16 num_vlan; 395 396 /* queue information */ 397 u8 tx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */ 398 u8 rx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */ 399 u16 *txq_map; /* index in pf->avail_txqs */ 400 u16 *rxq_map; /* index in pf->avail_rxqs */ 401 u16 alloc_txq; /* Allocated Tx queues */ 402 u16 num_txq; /* Used Tx queues */ 403 u16 alloc_rxq; /* Allocated Rx queues */ 404 u16 num_rxq; /* Used Rx queues */ 405 u16 req_txq; /* User requested Tx queues */ 406 u16 req_rxq; /* User requested Rx queues */ 407 u16 num_rx_desc; 408 u16 num_tx_desc; 409 u16 qset_handle[ICE_MAX_TRAFFIC_CLASS]; 410 struct ice_tc_cfg tc_cfg; 411 struct bpf_prog *xdp_prog; 412 struct ice_tx_ring **xdp_rings; /* XDP ring array */ 413 u16 num_xdp_txq; /* Used XDP queues */ 414 u8 xdp_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */ 415 struct mutex xdp_state_lock; 416 417 struct net_device **target_netdevs; 418 419 struct tc_mqprio_qopt_offload mqprio_qopt; /* queue parameters */ 420 421 /* Channel Specific Fields */ 422 struct ice_vsi *tc_map_vsi[ICE_CHNL_MAX_TC]; 423 u16 cnt_q_avail; 424 u16 next_base_q; /* next queue to be used for channel setup */ 425 struct list_head ch_list; 426 u16 num_chnl_rxq; 427 u16 num_chnl_txq; 428 u16 ch_rss_size; 429 u16 num_chnl_fltr; 430 /* store away rss size info before configuring ADQ channels so that, 431 * it can be used after tc-qdisc delete, to get back RSS setting as 432 * they were before 433 */ 434 u16 orig_rss_size; 435 /* this keeps tracks of all enabled TC with and without DCB 436 * and inclusive of ADQ, vsi->mqprio_opt keeps track of queue 437 * information 438 */ 439 u8 all_numtc; 440 u16 all_enatc; 441 442 /* store away TC info, to be used for rebuild logic */ 443 u8 old_numtc; 444 u16 old_ena_tc; 445 446 /* setup back reference, to which aggregator node this VSI 447 * corresponds to 448 */ 449 struct ice_agg_node *agg_node; 450 451 struct_group_tagged(ice_vsi_cfg_params, params, 452 struct ice_port_info *port_info; /* back pointer to port_info */ 453 struct ice_channel *ch; /* VSI's channel structure, may be NULL */ 454 union { 455 /* VF associated with this VSI, may be NULL */ 456 struct ice_vf *vf; 457 /* SF associated with this VSI, may be NULL */ 458 struct ice_dynamic_port *sf; 459 }; 460 u32 flags; /* VSI flags used for rebuild and configuration */ 461 enum ice_vsi_type type; /* the type of the VSI */ 462 ); 463 } ____cacheline_internodealigned_in_smp; 464 465 /* struct that defines an interrupt vector */ 466 struct ice_q_vector { 467 struct ice_vsi *vsi; 468 469 u16 v_idx; /* index in the vsi->q_vector array. */ 470 u16 reg_idx; /* PF relative register index */ 471 u8 num_ring_rx; /* total number of Rx rings in vector */ 472 u8 num_ring_tx; /* total number of Tx rings in vector */ 473 u8 wb_on_itr:1; /* if true, WB on ITR is enabled */ 474 /* in usecs, need to use ice_intrl_to_usecs_reg() before writing this 475 * value to the device 476 */ 477 u8 intrl; 478 479 struct napi_struct napi; 480 481 struct ice_ring_container rx; 482 struct ice_ring_container tx; 483 484 cpumask_t affinity_mask; 485 struct irq_affinity_notify affinity_notify; 486 487 struct ice_channel *ch; 488 489 char name[ICE_INT_NAME_STR_LEN]; 490 491 u16 total_events; /* net_dim(): number of interrupts processed */ 492 u16 vf_reg_idx; /* VF relative register index */ 493 struct msi_map irq; 494 } ____cacheline_internodealigned_in_smp; 495 496 enum ice_pf_flags { 497 ICE_FLAG_FLTR_SYNC, 498 ICE_FLAG_RDMA_ENA, 499 ICE_FLAG_RSS_ENA, 500 ICE_FLAG_SRIOV_ENA, 501 ICE_FLAG_SRIOV_CAPABLE, 502 ICE_FLAG_DCB_CAPABLE, 503 ICE_FLAG_DCB_ENA, 504 ICE_FLAG_FD_ENA, 505 ICE_FLAG_PTP_SUPPORTED, /* PTP is supported by NVM */ 506 ICE_FLAG_ADV_FEATURES, 507 ICE_FLAG_TC_MQPRIO, /* support for Multi queue TC */ 508 ICE_FLAG_CLS_FLOWER, 509 ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, 510 ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, 511 ICE_FLAG_NO_MEDIA, 512 ICE_FLAG_FW_LLDP_AGENT, 513 ICE_FLAG_MOD_POWER_UNSUPPORTED, 514 ICE_FLAG_PHY_FW_LOAD_FAILED, 515 ICE_FLAG_ETHTOOL_CTXT, /* set when ethtool holds RTNL lock */ 516 ICE_FLAG_LEGACY_RX, 517 ICE_FLAG_VF_TRUE_PROMISC_ENA, 518 ICE_FLAG_MDD_AUTO_RESET_VF, 519 ICE_FLAG_VF_VLAN_PRUNING, 520 ICE_FLAG_LINK_LENIENT_MODE_ENA, 521 ICE_FLAG_PLUG_AUX_DEV, 522 ICE_FLAG_UNPLUG_AUX_DEV, 523 ICE_FLAG_MTU_CHANGED, 524 ICE_FLAG_GNSS, /* GNSS successfully initialized */ 525 ICE_FLAG_DPLL, /* SyncE/PTP dplls initialized */ 526 ICE_PF_FLAGS_NBITS /* must be last */ 527 }; 528 529 enum ice_misc_thread_tasks { 530 ICE_MISC_THREAD_TX_TSTAMP, 531 ICE_MISC_THREAD_NBITS /* must be last */ 532 }; 533 534 struct ice_eswitch { 535 struct ice_vsi *uplink_vsi; 536 struct ice_esw_br_offloads *br_offloads; 537 struct xarray reprs; 538 bool is_running; 539 }; 540 541 struct ice_agg_node { 542 u32 agg_id; 543 #define ICE_MAX_VSIS_IN_AGG_NODE 64 544 u32 num_vsis; 545 u8 valid; 546 }; 547 548 struct ice_pf { 549 struct pci_dev *pdev; 550 struct ice_adapter *adapter; 551 552 struct devlink_region *nvm_region; 553 struct devlink_region *sram_region; 554 struct devlink_region *devcaps_region; 555 556 /* devlink port data */ 557 struct devlink_port devlink_port; 558 559 /* OS reserved IRQ details */ 560 struct msix_entry *msix_entries; 561 struct ice_irq_tracker irq_tracker; 562 /* First MSIX vector used by SR-IOV VFs. Calculated by subtracting the 563 * number of MSIX vectors needed for all SR-IOV VFs from the number of 564 * MSIX vectors allowed on this PF. 565 */ 566 u16 sriov_base_vector; 567 unsigned long *sriov_irq_bm; /* bitmap to track irq usage */ 568 u16 sriov_irq_size; /* size of the irq_bm bitmap */ 569 570 u16 ctrl_vsi_idx; /* control VSI index in pf->vsi array */ 571 572 struct ice_vsi **vsi; /* VSIs created by the driver */ 573 struct ice_vsi_stats **vsi_stats; 574 struct ice_sw *first_sw; /* first switch created by firmware */ 575 u16 eswitch_mode; /* current mode of eswitch */ 576 struct dentry *ice_debugfs_pf; 577 struct dentry *ice_debugfs_pf_fwlog; 578 /* keep track of all the dentrys for FW log modules */ 579 struct dentry **ice_debugfs_pf_fwlog_modules; 580 struct ice_vfs vfs; 581 DECLARE_BITMAP(features, ICE_F_MAX); 582 DECLARE_BITMAP(state, ICE_STATE_NBITS); 583 DECLARE_BITMAP(flags, ICE_PF_FLAGS_NBITS); 584 DECLARE_BITMAP(misc_thread, ICE_MISC_THREAD_NBITS); 585 unsigned long *avail_txqs; /* bitmap to track PF Tx queue usage */ 586 unsigned long *avail_rxqs; /* bitmap to track PF Rx queue usage */ 587 unsigned long serv_tmr_period; 588 unsigned long serv_tmr_prev; 589 struct timer_list serv_tmr; 590 struct work_struct serv_task; 591 struct mutex avail_q_mutex; /* protects access to avail_[rx|tx]qs */ 592 struct mutex sw_mutex; /* lock for protecting VSI alloc flow */ 593 struct mutex tc_mutex; /* lock to protect TC changes */ 594 struct mutex adev_mutex; /* lock to protect aux device access */ 595 struct mutex lag_mutex; /* protect ice_lag struct in PF */ 596 u32 msg_enable; 597 struct ice_ptp ptp; 598 struct gnss_serial *gnss_serial; 599 struct gnss_device *gnss_dev; 600 u16 num_rdma_msix; /* Total MSIX vectors for RDMA driver */ 601 u16 rdma_base_vector; 602 603 /* spinlock to protect the AdminQ wait list */ 604 spinlock_t aq_wait_lock; 605 struct hlist_head aq_wait_list; 606 wait_queue_head_t aq_wait_queue; 607 bool fw_emp_reset_disabled; 608 609 wait_queue_head_t reset_wait_queue; 610 611 u32 hw_csum_rx_error; 612 u32 hw_rx_eipe_error; 613 u32 oicr_err_reg; 614 struct msi_map oicr_irq; /* Other interrupt cause MSIX vector */ 615 struct msi_map ll_ts_irq; /* LL_TS interrupt MSIX vector */ 616 u16 max_pf_txqs; /* Total Tx queues PF wide */ 617 u16 max_pf_rxqs; /* Total Rx queues PF wide */ 618 u16 num_lan_msix; /* Total MSIX vectors for base driver */ 619 u16 num_lan_tx; /* num LAN Tx queues setup */ 620 u16 num_lan_rx; /* num LAN Rx queues setup */ 621 u16 next_vsi; /* Next free slot in pf->vsi[] - 0-based! */ 622 u16 num_alloc_vsi; 623 u16 corer_count; /* Core reset count */ 624 u16 globr_count; /* Global reset count */ 625 u16 empr_count; /* EMP reset count */ 626 u16 pfr_count; /* PF reset count */ 627 628 u8 wol_ena : 1; /* software state of WoL */ 629 u32 wakeup_reason; /* last wakeup reason */ 630 struct ice_hw_port_stats stats; 631 struct ice_hw_port_stats stats_prev; 632 struct ice_hw hw; 633 u8 stat_prev_loaded:1; /* has previous stats been loaded */ 634 u8 rdma_mode; 635 u16 dcbx_cap; 636 u32 tx_timeout_count; 637 unsigned long tx_timeout_last_recovery; 638 u32 tx_timeout_recovery_level; 639 char int_name[ICE_INT_NAME_STR_LEN]; 640 char int_name_ll_ts[ICE_INT_NAME_STR_LEN]; 641 struct auxiliary_device *adev; 642 int aux_idx; 643 u32 sw_int_count; 644 /* count of tc_flower filters specific to channel (aka where filter 645 * action is "hw_tc <tc_num>") 646 */ 647 u16 num_dmac_chnl_fltrs; 648 struct hlist_head tc_flower_fltr_list; 649 650 u64 supported_rxdids; 651 652 __le64 nvm_phy_type_lo; /* NVM PHY type low */ 653 __le64 nvm_phy_type_hi; /* NVM PHY type high */ 654 struct ice_link_default_override_tlv link_dflt_override; 655 struct ice_lag *lag; /* Link Aggregation information */ 656 657 struct ice_eswitch eswitch; 658 struct ice_esw_br_port *br_port; 659 660 struct xarray dyn_ports; 661 struct xarray sf_nums; 662 663 #define ICE_INVALID_AGG_NODE_ID 0 664 #define ICE_PF_AGG_NODE_ID_START 1 665 #define ICE_MAX_PF_AGG_NODES 32 666 struct ice_agg_node pf_agg_node[ICE_MAX_PF_AGG_NODES]; 667 #define ICE_VF_AGG_NODE_ID_START 65 668 #define ICE_MAX_VF_AGG_NODES 32 669 struct ice_agg_node vf_agg_node[ICE_MAX_VF_AGG_NODES]; 670 struct ice_dplls dplls; 671 struct device *hwmon_dev; 672 }; 673 674 extern struct workqueue_struct *ice_lag_wq; 675 676 struct ice_netdev_priv { 677 struct ice_vsi *vsi; 678 struct ice_repr *repr; 679 /* indirect block callbacks on registered higher level devices 680 * (e.g. tunnel devices) 681 * 682 * tc_indr_block_cb_priv_list is used to look up indirect callback 683 * private data 684 */ 685 struct list_head tc_indr_block_priv_list; 686 }; 687 688 /** 689 * ice_vector_ch_enabled 690 * @qv: pointer to q_vector, can be NULL 691 * 692 * This function returns true if vector is channel enabled otherwise false 693 */ 694 static inline bool ice_vector_ch_enabled(struct ice_q_vector *qv) 695 { 696 return !!qv->ch; /* Enable it to run with TC */ 697 } 698 699 /** 700 * ice_ptp_pf_handles_tx_interrupt - Check if PF handles Tx interrupt 701 * @pf: Board private structure 702 * 703 * Return true if this PF should respond to the Tx timestamp interrupt 704 * indication in the miscellaneous OICR interrupt handler. 705 */ 706 static inline bool ice_ptp_pf_handles_tx_interrupt(struct ice_pf *pf) 707 { 708 return pf->ptp.tx_interrupt_mode != ICE_PTP_TX_INTERRUPT_NONE; 709 } 710 711 /** 712 * ice_irq_dynamic_ena - Enable default interrupt generation settings 713 * @hw: pointer to HW struct 714 * @vsi: pointer to VSI struct, can be NULL 715 * @q_vector: pointer to q_vector, can be NULL 716 */ 717 static inline void 718 ice_irq_dynamic_ena(struct ice_hw *hw, struct ice_vsi *vsi, 719 struct ice_q_vector *q_vector) 720 { 721 u32 vector = (vsi && q_vector) ? q_vector->reg_idx : 722 ((struct ice_pf *)hw->back)->oicr_irq.index; 723 int itr = ICE_ITR_NONE; 724 u32 val; 725 726 /* clear the PBA here, as this function is meant to clean out all 727 * previous interrupts and enable the interrupt 728 */ 729 val = GLINT_DYN_CTL_INTENA_M | GLINT_DYN_CTL_CLEARPBA_M | 730 (itr << GLINT_DYN_CTL_ITR_INDX_S); 731 if (vsi) 732 if (test_bit(ICE_VSI_DOWN, vsi->state)) 733 return; 734 wr32(hw, GLINT_DYN_CTL(vector), val); 735 } 736 737 /** 738 * ice_netdev_to_pf - Retrieve the PF struct associated with a netdev 739 * @netdev: pointer to the netdev struct 740 */ 741 static inline struct ice_pf *ice_netdev_to_pf(struct net_device *netdev) 742 { 743 struct ice_netdev_priv *np = netdev_priv(netdev); 744 745 return np->vsi->back; 746 } 747 748 static inline bool ice_is_xdp_ena_vsi(struct ice_vsi *vsi) 749 { 750 return !!READ_ONCE(vsi->xdp_prog); 751 } 752 753 static inline void ice_set_ring_xdp(struct ice_tx_ring *ring) 754 { 755 ring->flags |= ICE_TX_FLAGS_RING_XDP; 756 } 757 758 /** 759 * ice_get_xp_from_qid - get ZC XSK buffer pool bound to a queue ID 760 * @vsi: pointer to VSI 761 * @qid: index of a queue to look at XSK buff pool presence 762 * 763 * Return: A pointer to xsk_buff_pool structure if there is a buffer pool 764 * attached and configured as zero-copy, NULL otherwise. 765 */ 766 static inline struct xsk_buff_pool *ice_get_xp_from_qid(struct ice_vsi *vsi, 767 u16 qid) 768 { 769 struct xsk_buff_pool *pool = xsk_get_pool_from_qid(vsi->netdev, qid); 770 771 if (!ice_is_xdp_ena_vsi(vsi)) 772 return NULL; 773 774 return (pool && pool->dev) ? pool : NULL; 775 } 776 777 /** 778 * ice_rx_xsk_pool - assign XSK buff pool to Rx ring 779 * @ring: Rx ring to use 780 * 781 * Sets XSK buff pool pointer on Rx ring. 782 */ 783 static inline void ice_rx_xsk_pool(struct ice_rx_ring *ring) 784 { 785 struct ice_vsi *vsi = ring->vsi; 786 u16 qid = ring->q_index; 787 788 WRITE_ONCE(ring->xsk_pool, ice_get_xp_from_qid(vsi, qid)); 789 } 790 791 /** 792 * ice_tx_xsk_pool - assign XSK buff pool to XDP ring 793 * @vsi: pointer to VSI 794 * @qid: index of a queue to look at XSK buff pool presence 795 * 796 * Sets XSK buff pool pointer on XDP ring. 797 * 798 * XDP ring is picked from Rx ring, whereas Rx ring is picked based on provided 799 * queue id. Reason for doing so is that queue vectors might have assigned more 800 * than one XDP ring, e.g. when user reduced the queue count on netdev; Rx ring 801 * carries a pointer to one of these XDP rings for its own purposes, such as 802 * handling XDP_TX action, therefore we can piggyback here on the 803 * rx_ring->xdp_ring assignment that was done during XDP rings initialization. 804 */ 805 static inline void ice_tx_xsk_pool(struct ice_vsi *vsi, u16 qid) 806 { 807 struct ice_tx_ring *ring; 808 809 ring = vsi->rx_rings[qid]->xdp_ring; 810 if (!ring) 811 return; 812 813 WRITE_ONCE(ring->xsk_pool, ice_get_xp_from_qid(vsi, qid)); 814 } 815 816 /** 817 * ice_get_main_vsi - Get the PF VSI 818 * @pf: PF instance 819 * 820 * returns pf->vsi[0], which by definition is the PF VSI 821 */ 822 static inline struct ice_vsi *ice_get_main_vsi(struct ice_pf *pf) 823 { 824 if (pf->vsi) 825 return pf->vsi[0]; 826 827 return NULL; 828 } 829 830 /** 831 * ice_get_netdev_priv_vsi - return VSI associated with netdev priv. 832 * @np: private netdev structure 833 */ 834 static inline struct ice_vsi *ice_get_netdev_priv_vsi(struct ice_netdev_priv *np) 835 { 836 /* In case of port representor return source port VSI. */ 837 if (np->repr) 838 return np->repr->src_vsi; 839 else 840 return np->vsi; 841 } 842 843 /** 844 * ice_get_ctrl_vsi - Get the control VSI 845 * @pf: PF instance 846 */ 847 static inline struct ice_vsi *ice_get_ctrl_vsi(struct ice_pf *pf) 848 { 849 /* if pf->ctrl_vsi_idx is ICE_NO_VSI, control VSI was not set up */ 850 if (!pf->vsi || pf->ctrl_vsi_idx == ICE_NO_VSI) 851 return NULL; 852 853 return pf->vsi[pf->ctrl_vsi_idx]; 854 } 855 856 /** 857 * ice_find_vsi - Find the VSI from VSI ID 858 * @pf: The PF pointer to search in 859 * @vsi_num: The VSI ID to search for 860 */ 861 static inline struct ice_vsi *ice_find_vsi(struct ice_pf *pf, u16 vsi_num) 862 { 863 int i; 864 865 ice_for_each_vsi(pf, i) 866 if (pf->vsi[i] && pf->vsi[i]->vsi_num == vsi_num) 867 return pf->vsi[i]; 868 return NULL; 869 } 870 871 /** 872 * ice_is_switchdev_running - check if switchdev is configured 873 * @pf: pointer to PF structure 874 * 875 * Returns true if eswitch mode is set to DEVLINK_ESWITCH_MODE_SWITCHDEV 876 * and switchdev is configured, false otherwise. 877 */ 878 static inline bool ice_is_switchdev_running(struct ice_pf *pf) 879 { 880 return pf->eswitch.is_running; 881 } 882 883 #define ICE_FD_STAT_CTR_BLOCK_COUNT 256 884 #define ICE_FD_STAT_PF_IDX(base_idx) \ 885 ((base_idx) * ICE_FD_STAT_CTR_BLOCK_COUNT) 886 #define ICE_FD_SB_STAT_IDX(base_idx) ICE_FD_STAT_PF_IDX(base_idx) 887 #define ICE_FD_STAT_CH 1 888 #define ICE_FD_CH_STAT_IDX(base_idx) \ 889 (ICE_FD_STAT_PF_IDX(base_idx) + ICE_FD_STAT_CH) 890 891 /** 892 * ice_is_adq_active - any active ADQs 893 * @pf: pointer to PF 894 * 895 * This function returns true if there are any ADQs configured (which is 896 * determined by looking at VSI type (which should be VSI_PF), numtc, and 897 * TC_MQPRIO flag) otherwise return false 898 */ 899 static inline bool ice_is_adq_active(struct ice_pf *pf) 900 { 901 struct ice_vsi *vsi; 902 903 vsi = ice_get_main_vsi(pf); 904 if (!vsi) 905 return false; 906 907 /* is ADQ configured */ 908 if (vsi->tc_cfg.numtc > ICE_CHNL_START_TC && 909 test_bit(ICE_FLAG_TC_MQPRIO, pf->flags)) 910 return true; 911 912 return false; 913 } 914 915 void ice_debugfs_fwlog_init(struct ice_pf *pf); 916 void ice_debugfs_pf_deinit(struct ice_pf *pf); 917 void ice_debugfs_init(void); 918 void ice_debugfs_exit(void); 919 void ice_pf_fwlog_update_module(struct ice_pf *pf, int log_level, int module); 920 921 bool netif_is_ice(const struct net_device *dev); 922 int ice_vsi_setup_tx_rings(struct ice_vsi *vsi); 923 int ice_vsi_setup_rx_rings(struct ice_vsi *vsi); 924 int ice_vsi_open_ctrl(struct ice_vsi *vsi); 925 int ice_vsi_open(struct ice_vsi *vsi); 926 void ice_set_ethtool_ops(struct net_device *netdev); 927 void ice_set_ethtool_repr_ops(struct net_device *netdev); 928 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev); 929 void ice_set_ethtool_sf_ops(struct net_device *netdev); 930 u16 ice_get_avail_txq_count(struct ice_pf *pf); 931 u16 ice_get_avail_rxq_count(struct ice_pf *pf); 932 int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx, bool locked); 933 void ice_update_vsi_stats(struct ice_vsi *vsi); 934 void ice_update_pf_stats(struct ice_pf *pf); 935 void 936 ice_fetch_u64_stats_per_ring(struct u64_stats_sync *syncp, 937 struct ice_q_stats stats, u64 *pkts, u64 *bytes); 938 int ice_up(struct ice_vsi *vsi); 939 int ice_down(struct ice_vsi *vsi); 940 int ice_down_up(struct ice_vsi *vsi); 941 int ice_vsi_cfg_lan(struct ice_vsi *vsi); 942 struct ice_vsi *ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi); 943 944 enum ice_xdp_cfg { 945 ICE_XDP_CFG_FULL, /* Fully apply new config in .ndo_bpf() */ 946 ICE_XDP_CFG_PART, /* Save/use part of config in VSI rebuild */ 947 }; 948 949 int ice_vsi_determine_xdp_res(struct ice_vsi *vsi); 950 int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog, 951 enum ice_xdp_cfg cfg_type); 952 int ice_destroy_xdp_rings(struct ice_vsi *vsi, enum ice_xdp_cfg cfg_type); 953 void ice_map_xdp_rings(struct ice_vsi *vsi); 954 int 955 ice_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames, 956 u32 flags); 957 int ice_set_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size); 958 int ice_get_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size); 959 int ice_set_rss_key(struct ice_vsi *vsi, u8 *seed); 960 int ice_get_rss_key(struct ice_vsi *vsi, u8 *seed); 961 int ice_set_rss_hfunc(struct ice_vsi *vsi, u8 hfunc); 962 void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size); 963 int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset); 964 void ice_print_link_msg(struct ice_vsi *vsi, bool isup); 965 int ice_plug_aux_dev(struct ice_pf *pf); 966 void ice_unplug_aux_dev(struct ice_pf *pf); 967 int ice_init_rdma(struct ice_pf *pf); 968 void ice_deinit_rdma(struct ice_pf *pf); 969 const char *ice_aq_str(enum ice_aq_err aq_err); 970 bool ice_is_wol_supported(struct ice_hw *hw); 971 void ice_fdir_del_all_fltrs(struct ice_vsi *vsi); 972 int 973 ice_fdir_write_fltr(struct ice_pf *pf, struct ice_fdir_fltr *input, bool add, 974 bool is_tun); 975 void ice_vsi_manage_fdir(struct ice_vsi *vsi, bool ena); 976 int ice_add_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd); 977 int ice_del_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd); 978 int ice_get_ethtool_fdir_entry(struct ice_hw *hw, struct ethtool_rxnfc *cmd); 979 int 980 ice_get_fdir_fltr_ids(struct ice_hw *hw, struct ethtool_rxnfc *cmd, 981 u32 *rule_locs); 982 void ice_fdir_rem_adq_chnl(struct ice_hw *hw, u16 vsi_idx); 983 void ice_fdir_release_flows(struct ice_hw *hw); 984 void ice_fdir_replay_flows(struct ice_hw *hw); 985 void ice_fdir_replay_fltrs(struct ice_pf *pf); 986 int ice_fdir_create_dflt_rules(struct ice_pf *pf); 987 988 enum ice_aq_task_state { 989 ICE_AQ_TASK_NOT_PREPARED, 990 ICE_AQ_TASK_WAITING, 991 ICE_AQ_TASK_COMPLETE, 992 ICE_AQ_TASK_CANCELED, 993 }; 994 995 struct ice_aq_task { 996 struct hlist_node entry; 997 struct ice_rq_event_info event; 998 enum ice_aq_task_state state; 999 u16 opcode; 1000 }; 1001 1002 void ice_aq_prep_for_event(struct ice_pf *pf, struct ice_aq_task *task, 1003 u16 opcode); 1004 int ice_aq_wait_for_event(struct ice_pf *pf, struct ice_aq_task *task, 1005 unsigned long timeout); 1006 int ice_open(struct net_device *netdev); 1007 int ice_open_internal(struct net_device *netdev); 1008 int ice_stop(struct net_device *netdev); 1009 void ice_service_task_schedule(struct ice_pf *pf); 1010 int ice_load(struct ice_pf *pf); 1011 void ice_unload(struct ice_pf *pf); 1012 void ice_adv_lnk_speed_maps_init(void); 1013 int ice_init_dev(struct ice_pf *pf); 1014 void ice_deinit_dev(struct ice_pf *pf); 1015 int ice_change_mtu(struct net_device *netdev, int new_mtu); 1016 void ice_tx_timeout(struct net_device *netdev, unsigned int txqueue); 1017 int ice_xdp(struct net_device *dev, struct netdev_bpf *xdp); 1018 void ice_set_netdev_features(struct net_device *netdev); 1019 int ice_vlan_rx_add_vid(struct net_device *netdev, __be16 proto, u16 vid); 1020 int ice_vlan_rx_kill_vid(struct net_device *netdev, __be16 proto, u16 vid); 1021 void ice_get_stats64(struct net_device *netdev, 1022 struct rtnl_link_stats64 *stats); 1023 1024 /** 1025 * ice_set_rdma_cap - enable RDMA support 1026 * @pf: PF struct 1027 */ 1028 static inline void ice_set_rdma_cap(struct ice_pf *pf) 1029 { 1030 if (pf->hw.func_caps.common_cap.rdma && pf->num_rdma_msix) { 1031 set_bit(ICE_FLAG_RDMA_ENA, pf->flags); 1032 set_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags); 1033 } 1034 } 1035 1036 /** 1037 * ice_clear_rdma_cap - disable RDMA support 1038 * @pf: PF struct 1039 */ 1040 static inline void ice_clear_rdma_cap(struct ice_pf *pf) 1041 { 1042 /* defer unplug to service task to avoid RTNL lock and 1043 * clear PLUG bit so that pending plugs don't interfere 1044 */ 1045 clear_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags); 1046 set_bit(ICE_FLAG_UNPLUG_AUX_DEV, pf->flags); 1047 clear_bit(ICE_FLAG_RDMA_ENA, pf->flags); 1048 } 1049 1050 extern const struct xdp_metadata_ops ice_xdp_md_ops; 1051 #endif /* _ICE_H_ */ 1052