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/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 <net/pkt_cls.h> 43 #include <net/tc_act/tc_mirred.h> 44 #include <net/tc_act/tc_gact.h> 45 #include <net/ip.h> 46 #include <net/devlink.h> 47 #include <net/ipv6.h> 48 #include <net/xdp_sock.h> 49 #include <net/xdp_sock_drv.h> 50 #include <net/geneve.h> 51 #include <net/gre.h> 52 #include <net/udp_tunnel.h> 53 #include <net/vxlan.h> 54 #include <net/gtp.h> 55 #include "ice_devids.h" 56 #include "ice_type.h" 57 #include "ice_txrx.h" 58 #include "ice_dcb.h" 59 #include "ice_switch.h" 60 #include "ice_common.h" 61 #include "ice_flow.h" 62 #include "ice_sched.h" 63 #include "ice_idc_int.h" 64 #include "ice_sriov.h" 65 #include "ice_vf_mbx.h" 66 #include "ice_ptp.h" 67 #include "ice_fdir.h" 68 #include "ice_xsk.h" 69 #include "ice_arfs.h" 70 #include "ice_repr.h" 71 #include "ice_eswitch.h" 72 #include "ice_lag.h" 73 #include "ice_vsi_vlan_ops.h" 74 #include "ice_gnss.h" 75 76 #define ICE_BAR0 0 77 #define ICE_REQ_DESC_MULTIPLE 32 78 #define ICE_MIN_NUM_DESC 64 79 #define ICE_MAX_NUM_DESC 8160 80 #define ICE_DFLT_MIN_RX_DESC 512 81 #define ICE_DFLT_NUM_TX_DESC 256 82 #define ICE_DFLT_NUM_RX_DESC 2048 83 84 #define ICE_DFLT_TRAFFIC_CLASS BIT(0) 85 #define ICE_INT_NAME_STR_LEN (IFNAMSIZ + 16) 86 #define ICE_AQ_LEN 192 87 #define ICE_MBXSQ_LEN 64 88 #define ICE_SBQ_LEN 64 89 #define ICE_MIN_LAN_TXRX_MSIX 1 90 #define ICE_MIN_LAN_OICR_MSIX 1 91 #define ICE_MIN_MSIX (ICE_MIN_LAN_TXRX_MSIX + ICE_MIN_LAN_OICR_MSIX) 92 #define ICE_FDIR_MSIX 2 93 #define ICE_RDMA_NUM_AEQ_MSIX 4 94 #define ICE_MIN_RDMA_MSIX 2 95 #define ICE_ESWITCH_MSIX 1 96 #define ICE_NO_VSI 0xffff 97 #define ICE_VSI_MAP_CONTIG 0 98 #define ICE_VSI_MAP_SCATTER 1 99 #define ICE_MAX_SCATTER_TXQS 16 100 #define ICE_MAX_SCATTER_RXQS 16 101 #define ICE_Q_WAIT_RETRY_LIMIT 10 102 #define ICE_Q_WAIT_MAX_RETRY (5 * ICE_Q_WAIT_RETRY_LIMIT) 103 #define ICE_MAX_LG_RSS_QS 256 104 #define ICE_RES_VALID_BIT 0x8000 105 #define ICE_RES_MISC_VEC_ID (ICE_RES_VALID_BIT - 1) 106 #define ICE_RES_RDMA_VEC_ID (ICE_RES_MISC_VEC_ID - 1) 107 /* All VF control VSIs share the same IRQ, so assign a unique ID for them */ 108 #define ICE_RES_VF_CTRL_VEC_ID (ICE_RES_RDMA_VEC_ID - 1) 109 #define ICE_INVAL_Q_INDEX 0xffff 110 111 #define ICE_MAX_RXQS_PER_TC 256 /* Used when setting VSI context per TC Rx queues */ 112 113 #define ICE_CHNL_START_TC 1 114 115 #define ICE_MAX_RESET_WAIT 20 116 117 #define ICE_VSIQF_HKEY_ARRAY_SIZE ((VSIQF_HKEY_MAX_INDEX + 1) * 4) 118 119 #define ICE_DFLT_NETIF_M (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK) 120 121 #define ICE_MAX_MTU (ICE_AQ_SET_MAC_FRAME_SIZE_MAX - ICE_ETH_PKT_HDR_PAD) 122 123 #define ICE_UP_TABLE_TRANSLATE(val, i) \ 124 (((val) << ICE_AQ_VSI_UP_TABLE_UP##i##_S) & \ 125 ICE_AQ_VSI_UP_TABLE_UP##i##_M) 126 127 #define ICE_TX_DESC(R, i) (&(((struct ice_tx_desc *)((R)->desc))[i])) 128 #define ICE_RX_DESC(R, i) (&(((union ice_32b_rx_flex_desc *)((R)->desc))[i])) 129 #define ICE_TX_CTX_DESC(R, i) (&(((struct ice_tx_ctx_desc *)((R)->desc))[i])) 130 #define ICE_TX_FDIRDESC(R, i) (&(((struct ice_fltr_desc *)((R)->desc))[i])) 131 132 /* Minimum BW limit is 500 Kbps for any scheduler node */ 133 #define ICE_MIN_BW_LIMIT 500 134 /* User can specify BW in either Kbit/Mbit/Gbit and OS converts it in bytes. 135 * use it to convert user specified BW limit into Kbps 136 */ 137 #define ICE_BW_KBPS_DIVISOR 125 138 139 /* Macro for each VSI in a PF */ 140 #define ice_for_each_vsi(pf, i) \ 141 for ((i) = 0; (i) < (pf)->num_alloc_vsi; (i)++) 142 143 /* Macros for each Tx/Xdp/Rx ring in a VSI */ 144 #define ice_for_each_txq(vsi, i) \ 145 for ((i) = 0; (i) < (vsi)->num_txq; (i)++) 146 147 #define ice_for_each_xdp_txq(vsi, i) \ 148 for ((i) = 0; (i) < (vsi)->num_xdp_txq; (i)++) 149 150 #define ice_for_each_rxq(vsi, i) \ 151 for ((i) = 0; (i) < (vsi)->num_rxq; (i)++) 152 153 /* Macros for each allocated Tx/Rx ring whether used or not in a VSI */ 154 #define ice_for_each_alloc_txq(vsi, i) \ 155 for ((i) = 0; (i) < (vsi)->alloc_txq; (i)++) 156 157 #define ice_for_each_alloc_rxq(vsi, i) \ 158 for ((i) = 0; (i) < (vsi)->alloc_rxq; (i)++) 159 160 #define ice_for_each_q_vector(vsi, i) \ 161 for ((i) = 0; (i) < (vsi)->num_q_vectors; (i)++) 162 163 #define ice_for_each_chnl_tc(i) \ 164 for ((i) = ICE_CHNL_START_TC; (i) < ICE_CHNL_MAX_TC; (i)++) 165 166 #define ICE_UCAST_PROMISC_BITS (ICE_PROMISC_UCAST_TX | ICE_PROMISC_UCAST_RX) 167 168 #define ICE_UCAST_VLAN_PROMISC_BITS (ICE_PROMISC_UCAST_TX | \ 169 ICE_PROMISC_UCAST_RX | \ 170 ICE_PROMISC_VLAN_TX | \ 171 ICE_PROMISC_VLAN_RX) 172 173 #define ICE_MCAST_PROMISC_BITS (ICE_PROMISC_MCAST_TX | ICE_PROMISC_MCAST_RX) 174 175 #define ICE_MCAST_VLAN_PROMISC_BITS (ICE_PROMISC_MCAST_TX | \ 176 ICE_PROMISC_MCAST_RX | \ 177 ICE_PROMISC_VLAN_TX | \ 178 ICE_PROMISC_VLAN_RX) 179 180 #define ice_pf_to_dev(pf) (&((pf)->pdev->dev)) 181 182 enum ice_feature { 183 ICE_F_DSCP, 184 ICE_F_SMA_CTRL, 185 ICE_F_GNSS, 186 ICE_F_MAX 187 }; 188 189 DECLARE_STATIC_KEY_FALSE(ice_xdp_locking_key); 190 191 struct ice_channel { 192 struct list_head list; 193 u8 type; 194 u16 sw_id; 195 u16 base_q; 196 u16 num_rxq; 197 u16 num_txq; 198 u16 vsi_num; 199 u8 ena_tc; 200 struct ice_aqc_vsi_props info; 201 u64 max_tx_rate; 202 u64 min_tx_rate; 203 atomic_t num_sb_fltr; 204 struct ice_vsi *ch_vsi; 205 }; 206 207 struct ice_txq_meta { 208 u32 q_teid; /* Tx-scheduler element identifier */ 209 u16 q_id; /* Entry in VSI's txq_map bitmap */ 210 u16 q_handle; /* Relative index of Tx queue within TC */ 211 u16 vsi_idx; /* VSI index that Tx queue belongs to */ 212 u8 tc; /* TC number that Tx queue belongs to */ 213 }; 214 215 struct ice_tc_info { 216 u16 qoffset; 217 u16 qcount_tx; 218 u16 qcount_rx; 219 u8 netdev_tc; 220 }; 221 222 struct ice_tc_cfg { 223 u8 numtc; /* Total number of enabled TCs */ 224 u16 ena_tc; /* Tx map */ 225 struct ice_tc_info tc_info[ICE_MAX_TRAFFIC_CLASS]; 226 }; 227 228 struct ice_res_tracker { 229 u16 num_entries; 230 u16 end; 231 u16 list[]; 232 }; 233 234 struct ice_qs_cfg { 235 struct mutex *qs_mutex; /* will be assigned to &pf->avail_q_mutex */ 236 unsigned long *pf_map; 237 unsigned long pf_map_size; 238 unsigned int q_count; 239 unsigned int scatter_count; 240 u16 *vsi_map; 241 u16 vsi_map_offset; 242 u8 mapping_mode; 243 }; 244 245 struct ice_sw { 246 struct ice_pf *pf; 247 u16 sw_id; /* switch ID for this switch */ 248 u16 bridge_mode; /* VEB/VEPA/Port Virtualizer */ 249 struct ice_vsi *dflt_vsi; /* default VSI for this switch */ 250 u8 dflt_vsi_ena:1; /* true if above dflt_vsi is enabled */ 251 }; 252 253 enum ice_pf_state { 254 ICE_TESTING, 255 ICE_DOWN, 256 ICE_NEEDS_RESTART, 257 ICE_PREPARED_FOR_RESET, /* set by driver when prepared */ 258 ICE_RESET_OICR_RECV, /* set by driver after rcv reset OICR */ 259 ICE_PFR_REQ, /* set by driver */ 260 ICE_CORER_REQ, /* set by driver */ 261 ICE_GLOBR_REQ, /* set by driver */ 262 ICE_CORER_RECV, /* set by OICR handler */ 263 ICE_GLOBR_RECV, /* set by OICR handler */ 264 ICE_EMPR_RECV, /* set by OICR handler */ 265 ICE_SUSPENDED, /* set on module remove path */ 266 ICE_RESET_FAILED, /* set by reset/rebuild */ 267 /* When checking for the PF to be in a nominal operating state, the 268 * bits that are grouped at the beginning of the list need to be 269 * checked. Bits occurring before ICE_STATE_NOMINAL_CHECK_BITS will 270 * be checked. If you need to add a bit into consideration for nominal 271 * operating state, it must be added before 272 * ICE_STATE_NOMINAL_CHECK_BITS. Do not move this entry's position 273 * without appropriate consideration. 274 */ 275 ICE_STATE_NOMINAL_CHECK_BITS, 276 ICE_ADMINQ_EVENT_PENDING, 277 ICE_MAILBOXQ_EVENT_PENDING, 278 ICE_SIDEBANDQ_EVENT_PENDING, 279 ICE_MDD_EVENT_PENDING, 280 ICE_VFLR_EVENT_PENDING, 281 ICE_FLTR_OVERFLOW_PROMISC, 282 ICE_VF_DIS, 283 ICE_CFG_BUSY, 284 ICE_SERVICE_SCHED, 285 ICE_SERVICE_DIS, 286 ICE_FD_FLUSH_REQ, 287 ICE_OICR_INTR_DIS, /* Global OICR interrupt disabled */ 288 ICE_MDD_VF_PRINT_PENDING, /* set when MDD event handle */ 289 ICE_VF_RESETS_DISABLED, /* disable resets during ice_remove */ 290 ICE_LINK_DEFAULT_OVERRIDE_PENDING, 291 ICE_PHY_INIT_COMPLETE, 292 ICE_FD_VF_FLUSH_CTX, /* set at FD Rx IRQ or timeout */ 293 ICE_AUX_ERR_PENDING, 294 ICE_STATE_NBITS /* must be last */ 295 }; 296 297 enum ice_vsi_state { 298 ICE_VSI_DOWN, 299 ICE_VSI_NEEDS_RESTART, 300 ICE_VSI_NETDEV_ALLOCD, 301 ICE_VSI_NETDEV_REGISTERED, 302 ICE_VSI_UMAC_FLTR_CHANGED, 303 ICE_VSI_MMAC_FLTR_CHANGED, 304 ICE_VSI_PROMISC_CHANGED, 305 ICE_VSI_STATE_NBITS /* must be last */ 306 }; 307 308 /* struct that defines a VSI, associated with a dev */ 309 struct ice_vsi { 310 struct net_device *netdev; 311 struct ice_sw *vsw; /* switch this VSI is on */ 312 struct ice_pf *back; /* back pointer to PF */ 313 struct ice_port_info *port_info; /* back pointer to port_info */ 314 struct ice_rx_ring **rx_rings; /* Rx ring array */ 315 struct ice_tx_ring **tx_rings; /* Tx ring array */ 316 struct ice_q_vector **q_vectors; /* q_vector array */ 317 318 irqreturn_t (*irq_handler)(int irq, void *data); 319 320 u64 tx_linearize; 321 DECLARE_BITMAP(state, ICE_VSI_STATE_NBITS); 322 unsigned int current_netdev_flags; 323 u32 tx_restart; 324 u32 tx_busy; 325 u32 rx_buf_failed; 326 u32 rx_page_failed; 327 u16 num_q_vectors; 328 u16 base_vector; /* IRQ base for OS reserved vectors */ 329 enum ice_vsi_type type; 330 u16 vsi_num; /* HW (absolute) index of this VSI */ 331 u16 idx; /* software index in pf->vsi[] */ 332 333 struct ice_vf *vf; /* VF associated with this VSI */ 334 335 u16 ethtype; /* Ethernet protocol for pause frame */ 336 u16 num_gfltr; 337 u16 num_bfltr; 338 339 /* RSS config */ 340 u16 rss_table_size; /* HW RSS table size */ 341 u16 rss_size; /* Allocated RSS queues */ 342 u8 *rss_hkey_user; /* User configured hash keys */ 343 u8 *rss_lut_user; /* User configured lookup table entries */ 344 u8 rss_lut_type; /* used to configure Get/Set RSS LUT AQ call */ 345 346 /* aRFS members only allocated for the PF VSI */ 347 #define ICE_MAX_ARFS_LIST 1024 348 #define ICE_ARFS_LST_MASK (ICE_MAX_ARFS_LIST - 1) 349 struct hlist_head *arfs_fltr_list; 350 struct ice_arfs_active_fltr_cntrs *arfs_fltr_cntrs; 351 spinlock_t arfs_lock; /* protects aRFS hash table and filter state */ 352 atomic_t *arfs_last_fltr_id; 353 354 u16 max_frame; 355 u16 rx_buf_len; 356 357 struct ice_aqc_vsi_props info; /* VSI properties */ 358 359 /* VSI stats */ 360 struct rtnl_link_stats64 net_stats; 361 struct ice_eth_stats eth_stats; 362 struct ice_eth_stats eth_stats_prev; 363 364 struct list_head tmp_sync_list; /* MAC filters to be synced */ 365 struct list_head tmp_unsync_list; /* MAC filters to be unsynced */ 366 367 u8 irqs_ready:1; 368 u8 current_isup:1; /* Sync 'link up' logging */ 369 u8 stat_offsets_loaded:1; 370 struct ice_vsi_vlan_ops inner_vlan_ops; 371 struct ice_vsi_vlan_ops outer_vlan_ops; 372 u16 num_vlan; 373 374 /* queue information */ 375 u8 tx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */ 376 u8 rx_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */ 377 u16 *txq_map; /* index in pf->avail_txqs */ 378 u16 *rxq_map; /* index in pf->avail_rxqs */ 379 u16 alloc_txq; /* Allocated Tx queues */ 380 u16 num_txq; /* Used Tx queues */ 381 u16 alloc_rxq; /* Allocated Rx queues */ 382 u16 num_rxq; /* Used Rx queues */ 383 u16 req_txq; /* User requested Tx queues */ 384 u16 req_rxq; /* User requested Rx queues */ 385 u16 num_rx_desc; 386 u16 num_tx_desc; 387 u16 qset_handle[ICE_MAX_TRAFFIC_CLASS]; 388 struct ice_tc_cfg tc_cfg; 389 struct bpf_prog *xdp_prog; 390 struct ice_tx_ring **xdp_rings; /* XDP ring array */ 391 unsigned long *af_xdp_zc_qps; /* tracks AF_XDP ZC enabled qps */ 392 u16 num_xdp_txq; /* Used XDP queues */ 393 u8 xdp_mapping_mode; /* ICE_MAP_MODE_[CONTIG|SCATTER] */ 394 395 struct net_device **target_netdevs; 396 397 struct tc_mqprio_qopt_offload mqprio_qopt; /* queue parameters */ 398 399 /* Channel Specific Fields */ 400 struct ice_vsi *tc_map_vsi[ICE_CHNL_MAX_TC]; 401 u16 cnt_q_avail; 402 u16 next_base_q; /* next queue to be used for channel setup */ 403 struct list_head ch_list; 404 u16 num_chnl_rxq; 405 u16 num_chnl_txq; 406 u16 ch_rss_size; 407 u16 num_chnl_fltr; 408 /* store away rss size info before configuring ADQ channels so that, 409 * it can be used after tc-qdisc delete, to get back RSS setting as 410 * they were before 411 */ 412 u16 orig_rss_size; 413 /* this keeps tracks of all enabled TC with and without DCB 414 * and inclusive of ADQ, vsi->mqprio_opt keeps track of queue 415 * information 416 */ 417 u8 all_numtc; 418 u16 all_enatc; 419 420 /* store away TC info, to be used for rebuild logic */ 421 u8 old_numtc; 422 u16 old_ena_tc; 423 424 struct ice_channel *ch; 425 426 /* setup back reference, to which aggregator node this VSI 427 * corresponds to 428 */ 429 struct ice_agg_node *agg_node; 430 } ____cacheline_internodealigned_in_smp; 431 432 /* struct that defines an interrupt vector */ 433 struct ice_q_vector { 434 struct ice_vsi *vsi; 435 436 u16 v_idx; /* index in the vsi->q_vector array. */ 437 u16 reg_idx; 438 u8 num_ring_rx; /* total number of Rx rings in vector */ 439 u8 num_ring_tx; /* total number of Tx rings in vector */ 440 u8 wb_on_itr:1; /* if true, WB on ITR is enabled */ 441 /* in usecs, need to use ice_intrl_to_usecs_reg() before writing this 442 * value to the device 443 */ 444 u8 intrl; 445 446 struct napi_struct napi; 447 448 struct ice_ring_container rx; 449 struct ice_ring_container tx; 450 451 cpumask_t affinity_mask; 452 struct irq_affinity_notify affinity_notify; 453 454 struct ice_channel *ch; 455 456 char name[ICE_INT_NAME_STR_LEN]; 457 458 u16 total_events; /* net_dim(): number of interrupts processed */ 459 } ____cacheline_internodealigned_in_smp; 460 461 enum ice_pf_flags { 462 ICE_FLAG_FLTR_SYNC, 463 ICE_FLAG_RDMA_ENA, 464 ICE_FLAG_RSS_ENA, 465 ICE_FLAG_SRIOV_ENA, 466 ICE_FLAG_SRIOV_CAPABLE, 467 ICE_FLAG_DCB_CAPABLE, 468 ICE_FLAG_DCB_ENA, 469 ICE_FLAG_FD_ENA, 470 ICE_FLAG_PTP_SUPPORTED, /* PTP is supported by NVM */ 471 ICE_FLAG_PTP, /* PTP is enabled by software */ 472 ICE_FLAG_ADV_FEATURES, 473 ICE_FLAG_TC_MQPRIO, /* support for Multi queue TC */ 474 ICE_FLAG_CLS_FLOWER, 475 ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, 476 ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, 477 ICE_FLAG_NO_MEDIA, 478 ICE_FLAG_FW_LLDP_AGENT, 479 ICE_FLAG_MOD_POWER_UNSUPPORTED, 480 ICE_FLAG_PHY_FW_LOAD_FAILED, 481 ICE_FLAG_ETHTOOL_CTXT, /* set when ethtool holds RTNL lock */ 482 ICE_FLAG_LEGACY_RX, 483 ICE_FLAG_VF_TRUE_PROMISC_ENA, 484 ICE_FLAG_MDD_AUTO_RESET_VF, 485 ICE_FLAG_VF_VLAN_PRUNING, 486 ICE_FLAG_LINK_LENIENT_MODE_ENA, 487 ICE_FLAG_PLUG_AUX_DEV, 488 ICE_FLAG_MTU_CHANGED, 489 ICE_FLAG_GNSS, /* GNSS successfully initialized */ 490 ICE_PF_FLAGS_NBITS /* must be last */ 491 }; 492 493 struct ice_switchdev_info { 494 struct ice_vsi *control_vsi; 495 struct ice_vsi *uplink_vsi; 496 bool is_running; 497 }; 498 499 struct ice_agg_node { 500 u32 agg_id; 501 #define ICE_MAX_VSIS_IN_AGG_NODE 64 502 u32 num_vsis; 503 u8 valid; 504 }; 505 506 struct ice_pf { 507 struct pci_dev *pdev; 508 509 struct devlink_region *nvm_region; 510 struct devlink_region *sram_region; 511 struct devlink_region *devcaps_region; 512 513 /* devlink port data */ 514 struct devlink_port devlink_port; 515 516 /* OS reserved IRQ details */ 517 struct msix_entry *msix_entries; 518 struct ice_res_tracker *irq_tracker; 519 /* First MSIX vector used by SR-IOV VFs. Calculated by subtracting the 520 * number of MSIX vectors needed for all SR-IOV VFs from the number of 521 * MSIX vectors allowed on this PF. 522 */ 523 u16 sriov_base_vector; 524 525 u16 ctrl_vsi_idx; /* control VSI index in pf->vsi array */ 526 527 struct ice_vsi **vsi; /* VSIs created by the driver */ 528 struct ice_sw *first_sw; /* first switch created by firmware */ 529 u16 eswitch_mode; /* current mode of eswitch */ 530 struct ice_vfs vfs; 531 DECLARE_BITMAP(features, ICE_F_MAX); 532 DECLARE_BITMAP(state, ICE_STATE_NBITS); 533 DECLARE_BITMAP(flags, ICE_PF_FLAGS_NBITS); 534 unsigned long *avail_txqs; /* bitmap to track PF Tx queue usage */ 535 unsigned long *avail_rxqs; /* bitmap to track PF Rx queue usage */ 536 unsigned long serv_tmr_period; 537 unsigned long serv_tmr_prev; 538 struct timer_list serv_tmr; 539 struct work_struct serv_task; 540 struct mutex avail_q_mutex; /* protects access to avail_[rx|tx]qs */ 541 struct mutex sw_mutex; /* lock for protecting VSI alloc flow */ 542 struct mutex tc_mutex; /* lock to protect TC changes */ 543 struct mutex adev_mutex; /* lock to protect aux device access */ 544 u32 msg_enable; 545 struct ice_ptp ptp; 546 struct tty_driver *ice_gnss_tty_driver; 547 struct tty_port gnss_tty_port; 548 struct gnss_serial *gnss_serial; 549 u16 num_rdma_msix; /* Total MSIX vectors for RDMA driver */ 550 u16 rdma_base_vector; 551 552 /* spinlock to protect the AdminQ wait list */ 553 spinlock_t aq_wait_lock; 554 struct hlist_head aq_wait_list; 555 wait_queue_head_t aq_wait_queue; 556 bool fw_emp_reset_disabled; 557 558 wait_queue_head_t reset_wait_queue; 559 560 u32 hw_csum_rx_error; 561 u32 oicr_err_reg; 562 u16 oicr_idx; /* Other interrupt cause MSIX vector index */ 563 u16 num_avail_sw_msix; /* remaining MSIX SW vectors left unclaimed */ 564 u16 max_pf_txqs; /* Total Tx queues PF wide */ 565 u16 max_pf_rxqs; /* Total Rx queues PF wide */ 566 u16 num_lan_msix; /* Total MSIX vectors for base driver */ 567 u16 num_lan_tx; /* num LAN Tx queues setup */ 568 u16 num_lan_rx; /* num LAN Rx queues setup */ 569 u16 next_vsi; /* Next free slot in pf->vsi[] - 0-based! */ 570 u16 num_alloc_vsi; 571 u16 corer_count; /* Core reset count */ 572 u16 globr_count; /* Global reset count */ 573 u16 empr_count; /* EMP reset count */ 574 u16 pfr_count; /* PF reset count */ 575 576 u8 wol_ena : 1; /* software state of WoL */ 577 u32 wakeup_reason; /* last wakeup reason */ 578 struct ice_hw_port_stats stats; 579 struct ice_hw_port_stats stats_prev; 580 struct ice_hw hw; 581 u8 stat_prev_loaded:1; /* has previous stats been loaded */ 582 u8 rdma_mode; 583 u16 dcbx_cap; 584 u32 tx_timeout_count; 585 unsigned long tx_timeout_last_recovery; 586 u32 tx_timeout_recovery_level; 587 char int_name[ICE_INT_NAME_STR_LEN]; 588 struct auxiliary_device *adev; 589 int aux_idx; 590 u32 sw_int_count; 591 /* count of tc_flower filters specific to channel (aka where filter 592 * action is "hw_tc <tc_num>") 593 */ 594 u16 num_dmac_chnl_fltrs; 595 struct hlist_head tc_flower_fltr_list; 596 597 __le64 nvm_phy_type_lo; /* NVM PHY type low */ 598 __le64 nvm_phy_type_hi; /* NVM PHY type high */ 599 struct ice_link_default_override_tlv link_dflt_override; 600 struct ice_lag *lag; /* Link Aggregation information */ 601 602 struct ice_switchdev_info switchdev; 603 604 #define ICE_INVALID_AGG_NODE_ID 0 605 #define ICE_PF_AGG_NODE_ID_START 1 606 #define ICE_MAX_PF_AGG_NODES 32 607 struct ice_agg_node pf_agg_node[ICE_MAX_PF_AGG_NODES]; 608 #define ICE_VF_AGG_NODE_ID_START 65 609 #define ICE_MAX_VF_AGG_NODES 32 610 struct ice_agg_node vf_agg_node[ICE_MAX_VF_AGG_NODES]; 611 }; 612 613 struct ice_netdev_priv { 614 struct ice_vsi *vsi; 615 struct ice_repr *repr; 616 /* indirect block callbacks on registered higher level devices 617 * (e.g. tunnel devices) 618 * 619 * tc_indr_block_cb_priv_list is used to look up indirect callback 620 * private data 621 */ 622 struct list_head tc_indr_block_priv_list; 623 }; 624 625 /** 626 * ice_vector_ch_enabled 627 * @qv: pointer to q_vector, can be NULL 628 * 629 * This function returns true if vector is channel enabled otherwise false 630 */ 631 static inline bool ice_vector_ch_enabled(struct ice_q_vector *qv) 632 { 633 return !!qv->ch; /* Enable it to run with TC */ 634 } 635 636 /** 637 * ice_irq_dynamic_ena - Enable default interrupt generation settings 638 * @hw: pointer to HW struct 639 * @vsi: pointer to VSI struct, can be NULL 640 * @q_vector: pointer to q_vector, can be NULL 641 */ 642 static inline void 643 ice_irq_dynamic_ena(struct ice_hw *hw, struct ice_vsi *vsi, 644 struct ice_q_vector *q_vector) 645 { 646 u32 vector = (vsi && q_vector) ? q_vector->reg_idx : 647 ((struct ice_pf *)hw->back)->oicr_idx; 648 int itr = ICE_ITR_NONE; 649 u32 val; 650 651 /* clear the PBA here, as this function is meant to clean out all 652 * previous interrupts and enable the interrupt 653 */ 654 val = GLINT_DYN_CTL_INTENA_M | GLINT_DYN_CTL_CLEARPBA_M | 655 (itr << GLINT_DYN_CTL_ITR_INDX_S); 656 if (vsi) 657 if (test_bit(ICE_VSI_DOWN, vsi->state)) 658 return; 659 wr32(hw, GLINT_DYN_CTL(vector), val); 660 } 661 662 /** 663 * ice_netdev_to_pf - Retrieve the PF struct associated with a netdev 664 * @netdev: pointer to the netdev struct 665 */ 666 static inline struct ice_pf *ice_netdev_to_pf(struct net_device *netdev) 667 { 668 struct ice_netdev_priv *np = netdev_priv(netdev); 669 670 return np->vsi->back; 671 } 672 673 static inline bool ice_is_xdp_ena_vsi(struct ice_vsi *vsi) 674 { 675 return !!READ_ONCE(vsi->xdp_prog); 676 } 677 678 static inline void ice_set_ring_xdp(struct ice_tx_ring *ring) 679 { 680 ring->flags |= ICE_TX_FLAGS_RING_XDP; 681 } 682 683 /** 684 * ice_xsk_pool - get XSK buffer pool bound to a ring 685 * @ring: Rx ring to use 686 * 687 * Returns a pointer to xdp_umem structure if there is a buffer pool present, 688 * NULL otherwise. 689 */ 690 static inline struct xsk_buff_pool *ice_xsk_pool(struct ice_rx_ring *ring) 691 { 692 struct ice_vsi *vsi = ring->vsi; 693 u16 qid = ring->q_index; 694 695 if (!ice_is_xdp_ena_vsi(vsi) || !test_bit(qid, vsi->af_xdp_zc_qps)) 696 return NULL; 697 698 return xsk_get_pool_from_qid(vsi->netdev, qid); 699 } 700 701 /** 702 * ice_tx_xsk_pool - get XSK buffer pool bound to a ring 703 * @ring: Tx ring to use 704 * 705 * Returns a pointer to xdp_umem structure if there is a buffer pool present, 706 * NULL otherwise. Tx equivalent of ice_xsk_pool. 707 */ 708 static inline struct xsk_buff_pool *ice_tx_xsk_pool(struct ice_tx_ring *ring) 709 { 710 struct ice_vsi *vsi = ring->vsi; 711 u16 qid; 712 713 qid = ring->q_index - vsi->alloc_txq; 714 715 if (!ice_is_xdp_ena_vsi(vsi) || !test_bit(qid, vsi->af_xdp_zc_qps)) 716 return NULL; 717 718 return xsk_get_pool_from_qid(vsi->netdev, qid); 719 } 720 721 /** 722 * ice_get_main_vsi - Get the PF VSI 723 * @pf: PF instance 724 * 725 * returns pf->vsi[0], which by definition is the PF VSI 726 */ 727 static inline struct ice_vsi *ice_get_main_vsi(struct ice_pf *pf) 728 { 729 if (pf->vsi) 730 return pf->vsi[0]; 731 732 return NULL; 733 } 734 735 /** 736 * ice_get_netdev_priv_vsi - return VSI associated with netdev priv. 737 * @np: private netdev structure 738 */ 739 static inline struct ice_vsi *ice_get_netdev_priv_vsi(struct ice_netdev_priv *np) 740 { 741 /* In case of port representor return source port VSI. */ 742 if (np->repr) 743 return np->repr->src_vsi; 744 else 745 return np->vsi; 746 } 747 748 /** 749 * ice_get_ctrl_vsi - Get the control VSI 750 * @pf: PF instance 751 */ 752 static inline struct ice_vsi *ice_get_ctrl_vsi(struct ice_pf *pf) 753 { 754 /* if pf->ctrl_vsi_idx is ICE_NO_VSI, control VSI was not set up */ 755 if (!pf->vsi || pf->ctrl_vsi_idx == ICE_NO_VSI) 756 return NULL; 757 758 return pf->vsi[pf->ctrl_vsi_idx]; 759 } 760 761 /** 762 * ice_is_switchdev_running - check if switchdev is configured 763 * @pf: pointer to PF structure 764 * 765 * Returns true if eswitch mode is set to DEVLINK_ESWITCH_MODE_SWITCHDEV 766 * and switchdev is configured, false otherwise. 767 */ 768 static inline bool ice_is_switchdev_running(struct ice_pf *pf) 769 { 770 return pf->switchdev.is_running; 771 } 772 773 /** 774 * ice_set_sriov_cap - enable SRIOV in PF flags 775 * @pf: PF struct 776 */ 777 static inline void ice_set_sriov_cap(struct ice_pf *pf) 778 { 779 if (pf->hw.func_caps.common_cap.sr_iov_1_1) 780 set_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags); 781 } 782 783 /** 784 * ice_clear_sriov_cap - disable SRIOV in PF flags 785 * @pf: PF struct 786 */ 787 static inline void ice_clear_sriov_cap(struct ice_pf *pf) 788 { 789 clear_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags); 790 } 791 792 #define ICE_FD_STAT_CTR_BLOCK_COUNT 256 793 #define ICE_FD_STAT_PF_IDX(base_idx) \ 794 ((base_idx) * ICE_FD_STAT_CTR_BLOCK_COUNT) 795 #define ICE_FD_SB_STAT_IDX(base_idx) ICE_FD_STAT_PF_IDX(base_idx) 796 #define ICE_FD_STAT_CH 1 797 #define ICE_FD_CH_STAT_IDX(base_idx) \ 798 (ICE_FD_STAT_PF_IDX(base_idx) + ICE_FD_STAT_CH) 799 800 /** 801 * ice_is_adq_active - any active ADQs 802 * @pf: pointer to PF 803 * 804 * This function returns true if there are any ADQs configured (which is 805 * determined by looking at VSI type (which should be VSI_PF), numtc, and 806 * TC_MQPRIO flag) otherwise return false 807 */ 808 static inline bool ice_is_adq_active(struct ice_pf *pf) 809 { 810 struct ice_vsi *vsi; 811 812 vsi = ice_get_main_vsi(pf); 813 if (!vsi) 814 return false; 815 816 /* is ADQ configured */ 817 if (vsi->tc_cfg.numtc > ICE_CHNL_START_TC && 818 test_bit(ICE_FLAG_TC_MQPRIO, pf->flags)) 819 return true; 820 821 return false; 822 } 823 824 bool netif_is_ice(struct net_device *dev); 825 int ice_vsi_setup_tx_rings(struct ice_vsi *vsi); 826 int ice_vsi_setup_rx_rings(struct ice_vsi *vsi); 827 int ice_vsi_open_ctrl(struct ice_vsi *vsi); 828 int ice_vsi_open(struct ice_vsi *vsi); 829 void ice_set_ethtool_ops(struct net_device *netdev); 830 void ice_set_ethtool_repr_ops(struct net_device *netdev); 831 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev); 832 u16 ice_get_avail_txq_count(struct ice_pf *pf); 833 u16 ice_get_avail_rxq_count(struct ice_pf *pf); 834 int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx); 835 void ice_update_vsi_stats(struct ice_vsi *vsi); 836 void ice_update_pf_stats(struct ice_pf *pf); 837 void 838 ice_fetch_u64_stats_per_ring(struct u64_stats_sync *syncp, 839 struct ice_q_stats stats, u64 *pkts, u64 *bytes); 840 int ice_up(struct ice_vsi *vsi); 841 int ice_down(struct ice_vsi *vsi); 842 int ice_vsi_cfg(struct ice_vsi *vsi); 843 struct ice_vsi *ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi); 844 int ice_vsi_determine_xdp_res(struct ice_vsi *vsi); 845 int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog); 846 int ice_destroy_xdp_rings(struct ice_vsi *vsi); 847 int 848 ice_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames, 849 u32 flags); 850 int ice_set_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size); 851 int ice_get_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size); 852 int ice_set_rss_key(struct ice_vsi *vsi, u8 *seed); 853 int ice_get_rss_key(struct ice_vsi *vsi, u8 *seed); 854 void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size); 855 int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset); 856 void ice_print_link_msg(struct ice_vsi *vsi, bool isup); 857 int ice_plug_aux_dev(struct ice_pf *pf); 858 void ice_unplug_aux_dev(struct ice_pf *pf); 859 int ice_init_rdma(struct ice_pf *pf); 860 const char *ice_aq_str(enum ice_aq_err aq_err); 861 bool ice_is_wol_supported(struct ice_hw *hw); 862 void ice_fdir_del_all_fltrs(struct ice_vsi *vsi); 863 int 864 ice_fdir_write_fltr(struct ice_pf *pf, struct ice_fdir_fltr *input, bool add, 865 bool is_tun); 866 void ice_vsi_manage_fdir(struct ice_vsi *vsi, bool ena); 867 int ice_add_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd); 868 int ice_del_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd); 869 int ice_get_ethtool_fdir_entry(struct ice_hw *hw, struct ethtool_rxnfc *cmd); 870 int 871 ice_get_fdir_fltr_ids(struct ice_hw *hw, struct ethtool_rxnfc *cmd, 872 u32 *rule_locs); 873 void ice_fdir_rem_adq_chnl(struct ice_hw *hw, u16 vsi_idx); 874 void ice_fdir_release_flows(struct ice_hw *hw); 875 void ice_fdir_replay_flows(struct ice_hw *hw); 876 void ice_fdir_replay_fltrs(struct ice_pf *pf); 877 int ice_fdir_create_dflt_rules(struct ice_pf *pf); 878 int ice_aq_wait_for_event(struct ice_pf *pf, u16 opcode, unsigned long timeout, 879 struct ice_rq_event_info *event); 880 int ice_open(struct net_device *netdev); 881 int ice_open_internal(struct net_device *netdev); 882 int ice_stop(struct net_device *netdev); 883 void ice_service_task_schedule(struct ice_pf *pf); 884 885 /** 886 * ice_set_rdma_cap - enable RDMA support 887 * @pf: PF struct 888 */ 889 static inline void ice_set_rdma_cap(struct ice_pf *pf) 890 { 891 if (pf->hw.func_caps.common_cap.rdma && pf->num_rdma_msix) { 892 set_bit(ICE_FLAG_RDMA_ENA, pf->flags); 893 set_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags); 894 } 895 } 896 897 /** 898 * ice_clear_rdma_cap - disable RDMA support 899 * @pf: PF struct 900 */ 901 static inline void ice_clear_rdma_cap(struct ice_pf *pf) 902 { 903 /* We can directly unplug aux device here only if the flag bit 904 * ICE_FLAG_PLUG_AUX_DEV is not set because ice_unplug_aux_dev() 905 * could race with ice_plug_aux_dev() called from 906 * ice_service_task(). In this case we only clear that bit now and 907 * aux device will be unplugged later once ice_plug_aux_device() 908 * called from ice_service_task() finishes (see ice_service_task()). 909 */ 910 if (!test_and_clear_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags)) 911 ice_unplug_aux_dev(pf); 912 913 clear_bit(ICE_FLAG_RDMA_ENA, pf->flags); 914 } 915 #endif /* _ICE_H_ */ 916