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 <linux/ppp_defs.h> 56 #include "ice_devids.h" 57 #include "ice_type.h" 58 #include "ice_txrx.h" 59 #include "ice_dcb.h" 60 #include "ice_switch.h" 61 #include "ice_common.h" 62 #include "ice_flow.h" 63 #include "ice_sched.h" 64 #include "ice_idc_int.h" 65 #include "ice_sriov.h" 66 #include "ice_vf_mbx.h" 67 #include "ice_ptp.h" 68 #include "ice_fdir.h" 69 #include "ice_xsk.h" 70 #include "ice_arfs.h" 71 #include "ice_repr.h" 72 #include "ice_eswitch.h" 73 #include "ice_lag.h" 74 #include "ice_vsi_vlan_ops.h" 75 #include "ice_gnss.h" 76 77 #define ICE_BAR0 0 78 #define ICE_REQ_DESC_MULTIPLE 32 79 #define ICE_MIN_NUM_DESC 64 80 #define ICE_MAX_NUM_DESC 8160 81 #define ICE_DFLT_MIN_RX_DESC 512 82 #define ICE_DFLT_NUM_TX_DESC 256 83 #define ICE_DFLT_NUM_RX_DESC 2048 84 85 #define ICE_DFLT_TRAFFIC_CLASS BIT(0) 86 #define ICE_INT_NAME_STR_LEN (IFNAMSIZ + 16) 87 #define ICE_AQ_LEN 192 88 #define ICE_MBXSQ_LEN 64 89 #define ICE_SBQ_LEN 64 90 #define ICE_MIN_LAN_TXRX_MSIX 1 91 #define ICE_MIN_LAN_OICR_MSIX 1 92 #define ICE_MIN_MSIX (ICE_MIN_LAN_TXRX_MSIX + ICE_MIN_LAN_OICR_MSIX) 93 #define ICE_FDIR_MSIX 2 94 #define ICE_RDMA_NUM_AEQ_MSIX 4 95 #define ICE_MIN_RDMA_MSIX 2 96 #define ICE_ESWITCH_MSIX 1 97 #define ICE_NO_VSI 0xffff 98 #define ICE_VSI_MAP_CONTIG 0 99 #define ICE_VSI_MAP_SCATTER 1 100 #define ICE_MAX_SCATTER_TXQS 16 101 #define ICE_MAX_SCATTER_RXQS 16 102 #define ICE_Q_WAIT_RETRY_LIMIT 10 103 #define ICE_Q_WAIT_MAX_RETRY (5 * ICE_Q_WAIT_RETRY_LIMIT) 104 #define ICE_MAX_LG_RSS_QS 256 105 #define ICE_RES_VALID_BIT 0x8000 106 #define ICE_RES_MISC_VEC_ID (ICE_RES_VALID_BIT - 1) 107 #define ICE_RES_RDMA_VEC_ID (ICE_RES_MISC_VEC_ID - 1) 108 /* All VF control VSIs share the same IRQ, so assign a unique ID for them */ 109 #define ICE_RES_VF_CTRL_VEC_ID (ICE_RES_RDMA_VEC_ID - 1) 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_UP_TABLE_TRANSLATE(val, i) \ 125 (((val) << ICE_AQ_VSI_UP_TABLE_UP##i##_S) & \ 126 ICE_AQ_VSI_UP_TABLE_UP##i##_M) 127 128 #define ICE_TX_DESC(R, i) (&(((struct ice_tx_desc *)((R)->desc))[i])) 129 #define ICE_RX_DESC(R, i) (&(((union ice_32b_rx_flex_desc *)((R)->desc))[i])) 130 #define ICE_TX_CTX_DESC(R, i) (&(((struct ice_tx_ctx_desc *)((R)->desc))[i])) 131 #define ICE_TX_FDIRDESC(R, i) (&(((struct ice_fltr_desc *)((R)->desc))[i])) 132 133 /* Minimum BW limit is 500 Kbps for any scheduler node */ 134 #define ICE_MIN_BW_LIMIT 500 135 /* User can specify BW in either Kbit/Mbit/Gbit and OS converts it in bytes. 136 * use it to convert user specified BW limit into Kbps 137 */ 138 #define ICE_BW_KBPS_DIVISOR 125 139 140 /* Macro for each VSI in a PF */ 141 #define ice_for_each_vsi(pf, i) \ 142 for ((i) = 0; (i) < (pf)->num_alloc_vsi; (i)++) 143 144 /* Macros for each Tx/Xdp/Rx ring in a VSI */ 145 #define ice_for_each_txq(vsi, i) \ 146 for ((i) = 0; (i) < (vsi)->num_txq; (i)++) 147 148 #define ice_for_each_xdp_txq(vsi, i) \ 149 for ((i) = 0; (i) < (vsi)->num_xdp_txq; (i)++) 150 151 #define ice_for_each_rxq(vsi, i) \ 152 for ((i) = 0; (i) < (vsi)->num_rxq; (i)++) 153 154 /* Macros for each allocated Tx/Rx ring whether used or not in a VSI */ 155 #define ice_for_each_alloc_txq(vsi, i) \ 156 for ((i) = 0; (i) < (vsi)->alloc_txq; (i)++) 157 158 #define ice_for_each_alloc_rxq(vsi, i) \ 159 for ((i) = 0; (i) < (vsi)->alloc_rxq; (i)++) 160 161 #define ice_for_each_q_vector(vsi, i) \ 162 for ((i) = 0; (i) < (vsi)->num_q_vectors; (i)++) 163 164 #define ice_for_each_chnl_tc(i) \ 165 for ((i) = ICE_CHNL_START_TC; (i) < ICE_CHNL_MAX_TC; (i)++) 166 167 #define ICE_UCAST_PROMISC_BITS (ICE_PROMISC_UCAST_TX | ICE_PROMISC_UCAST_RX) 168 169 #define ICE_UCAST_VLAN_PROMISC_BITS (ICE_PROMISC_UCAST_TX | \ 170 ICE_PROMISC_UCAST_RX | \ 171 ICE_PROMISC_VLAN_TX | \ 172 ICE_PROMISC_VLAN_RX) 173 174 #define ICE_MCAST_PROMISC_BITS (ICE_PROMISC_MCAST_TX | ICE_PROMISC_MCAST_RX) 175 176 #define ICE_MCAST_VLAN_PROMISC_BITS (ICE_PROMISC_MCAST_TX | \ 177 ICE_PROMISC_MCAST_RX | \ 178 ICE_PROMISC_VLAN_TX | \ 179 ICE_PROMISC_VLAN_RX) 180 181 #define ice_pf_to_dev(pf) (&((pf)->pdev->dev)) 182 183 enum ice_feature { 184 ICE_F_DSCP, 185 ICE_F_PTP_EXTTS, 186 ICE_F_SMA_CTRL, 187 ICE_F_GNSS, 188 ICE_F_MAX 189 }; 190 191 DECLARE_STATIC_KEY_FALSE(ice_xdp_locking_key); 192 193 struct ice_channel { 194 struct list_head list; 195 u8 type; 196 u16 sw_id; 197 u16 base_q; 198 u16 num_rxq; 199 u16 num_txq; 200 u16 vsi_num; 201 u8 ena_tc; 202 struct ice_aqc_vsi_props info; 203 u64 max_tx_rate; 204 u64 min_tx_rate; 205 atomic_t num_sb_fltr; 206 struct ice_vsi *ch_vsi; 207 }; 208 209 struct ice_txq_meta { 210 u32 q_teid; /* Tx-scheduler element identifier */ 211 u16 q_id; /* Entry in VSI's txq_map bitmap */ 212 u16 q_handle; /* Relative index of Tx queue within TC */ 213 u16 vsi_idx; /* VSI index that Tx queue belongs to */ 214 u8 tc; /* TC number that Tx queue belongs to */ 215 }; 216 217 struct ice_tc_info { 218 u16 qoffset; 219 u16 qcount_tx; 220 u16 qcount_rx; 221 u8 netdev_tc; 222 }; 223 224 struct ice_tc_cfg { 225 u8 numtc; /* Total number of enabled TCs */ 226 u16 ena_tc; /* Tx map */ 227 struct ice_tc_info tc_info[ICE_MAX_TRAFFIC_CLASS]; 228 }; 229 230 struct ice_res_tracker { 231 u16 num_entries; 232 u16 end; 233 u16 list[]; 234 }; 235 236 struct ice_qs_cfg { 237 struct mutex *qs_mutex; /* will be assigned to &pf->avail_q_mutex */ 238 unsigned long *pf_map; 239 unsigned long pf_map_size; 240 unsigned int q_count; 241 unsigned int scatter_count; 242 u16 *vsi_map; 243 u16 vsi_map_offset; 244 u8 mapping_mode; 245 }; 246 247 struct ice_sw { 248 struct ice_pf *pf; 249 u16 sw_id; /* switch ID for this switch */ 250 u16 bridge_mode; /* VEB/VEPA/Port Virtualizer */ 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[ICE_GNSS_TTY_MINOR_DEVICES]; 548 struct gnss_serial *gnss_serial[ICE_GNSS_TTY_MINOR_DEVICES]; 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 xsk_buff_pool structure if there is a buffer pool 688 * present, 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 - assign XSK buff pool to XDP ring 703 * @vsi: pointer to VSI 704 * @qid: index of a queue to look at XSK buff pool presence 705 * 706 * Sets XSK buff pool pointer on XDP ring. 707 * 708 * XDP ring is picked from Rx ring, whereas Rx ring is picked based on provided 709 * queue id. Reason for doing so is that queue vectors might have assigned more 710 * than one XDP ring, e.g. when user reduced the queue count on netdev; Rx ring 711 * carries a pointer to one of these XDP rings for its own purposes, such as 712 * handling XDP_TX action, therefore we can piggyback here on the 713 * rx_ring->xdp_ring assignment that was done during XDP rings initialization. 714 */ 715 static inline void ice_tx_xsk_pool(struct ice_vsi *vsi, u16 qid) 716 { 717 struct ice_tx_ring *ring; 718 719 ring = vsi->rx_rings[qid]->xdp_ring; 720 if (!ring) 721 return; 722 723 if (!ice_is_xdp_ena_vsi(vsi) || !test_bit(qid, vsi->af_xdp_zc_qps)) { 724 ring->xsk_pool = NULL; 725 return; 726 } 727 728 ring->xsk_pool = xsk_get_pool_from_qid(vsi->netdev, qid); 729 } 730 731 /** 732 * ice_get_main_vsi - Get the PF VSI 733 * @pf: PF instance 734 * 735 * returns pf->vsi[0], which by definition is the PF VSI 736 */ 737 static inline struct ice_vsi *ice_get_main_vsi(struct ice_pf *pf) 738 { 739 if (pf->vsi) 740 return pf->vsi[0]; 741 742 return NULL; 743 } 744 745 /** 746 * ice_get_netdev_priv_vsi - return VSI associated with netdev priv. 747 * @np: private netdev structure 748 */ 749 static inline struct ice_vsi *ice_get_netdev_priv_vsi(struct ice_netdev_priv *np) 750 { 751 /* In case of port representor return source port VSI. */ 752 if (np->repr) 753 return np->repr->src_vsi; 754 else 755 return np->vsi; 756 } 757 758 /** 759 * ice_get_ctrl_vsi - Get the control VSI 760 * @pf: PF instance 761 */ 762 static inline struct ice_vsi *ice_get_ctrl_vsi(struct ice_pf *pf) 763 { 764 /* if pf->ctrl_vsi_idx is ICE_NO_VSI, control VSI was not set up */ 765 if (!pf->vsi || pf->ctrl_vsi_idx == ICE_NO_VSI) 766 return NULL; 767 768 return pf->vsi[pf->ctrl_vsi_idx]; 769 } 770 771 /** 772 * ice_find_vsi - Find the VSI from VSI ID 773 * @pf: The PF pointer to search in 774 * @vsi_num: The VSI ID to search for 775 */ 776 static inline struct ice_vsi *ice_find_vsi(struct ice_pf *pf, u16 vsi_num) 777 { 778 int i; 779 780 ice_for_each_vsi(pf, i) 781 if (pf->vsi[i] && pf->vsi[i]->vsi_num == vsi_num) 782 return pf->vsi[i]; 783 return NULL; 784 } 785 786 /** 787 * ice_is_switchdev_running - check if switchdev is configured 788 * @pf: pointer to PF structure 789 * 790 * Returns true if eswitch mode is set to DEVLINK_ESWITCH_MODE_SWITCHDEV 791 * and switchdev is configured, false otherwise. 792 */ 793 static inline bool ice_is_switchdev_running(struct ice_pf *pf) 794 { 795 return pf->switchdev.is_running; 796 } 797 798 /** 799 * ice_set_sriov_cap - enable SRIOV in PF flags 800 * @pf: PF struct 801 */ 802 static inline void ice_set_sriov_cap(struct ice_pf *pf) 803 { 804 if (pf->hw.func_caps.common_cap.sr_iov_1_1) 805 set_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags); 806 } 807 808 /** 809 * ice_clear_sriov_cap - disable SRIOV in PF flags 810 * @pf: PF struct 811 */ 812 static inline void ice_clear_sriov_cap(struct ice_pf *pf) 813 { 814 clear_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags); 815 } 816 817 #define ICE_FD_STAT_CTR_BLOCK_COUNT 256 818 #define ICE_FD_STAT_PF_IDX(base_idx) \ 819 ((base_idx) * ICE_FD_STAT_CTR_BLOCK_COUNT) 820 #define ICE_FD_SB_STAT_IDX(base_idx) ICE_FD_STAT_PF_IDX(base_idx) 821 #define ICE_FD_STAT_CH 1 822 #define ICE_FD_CH_STAT_IDX(base_idx) \ 823 (ICE_FD_STAT_PF_IDX(base_idx) + ICE_FD_STAT_CH) 824 825 /** 826 * ice_is_adq_active - any active ADQs 827 * @pf: pointer to PF 828 * 829 * This function returns true if there are any ADQs configured (which is 830 * determined by looking at VSI type (which should be VSI_PF), numtc, and 831 * TC_MQPRIO flag) otherwise return false 832 */ 833 static inline bool ice_is_adq_active(struct ice_pf *pf) 834 { 835 struct ice_vsi *vsi; 836 837 vsi = ice_get_main_vsi(pf); 838 if (!vsi) 839 return false; 840 841 /* is ADQ configured */ 842 if (vsi->tc_cfg.numtc > ICE_CHNL_START_TC && 843 test_bit(ICE_FLAG_TC_MQPRIO, pf->flags)) 844 return true; 845 846 return false; 847 } 848 849 bool netif_is_ice(struct net_device *dev); 850 int ice_vsi_setup_tx_rings(struct ice_vsi *vsi); 851 int ice_vsi_setup_rx_rings(struct ice_vsi *vsi); 852 int ice_vsi_open_ctrl(struct ice_vsi *vsi); 853 int ice_vsi_open(struct ice_vsi *vsi); 854 void ice_set_ethtool_ops(struct net_device *netdev); 855 void ice_set_ethtool_repr_ops(struct net_device *netdev); 856 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev); 857 u16 ice_get_avail_txq_count(struct ice_pf *pf); 858 u16 ice_get_avail_rxq_count(struct ice_pf *pf); 859 int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx); 860 void ice_update_vsi_stats(struct ice_vsi *vsi); 861 void ice_update_pf_stats(struct ice_pf *pf); 862 void 863 ice_fetch_u64_stats_per_ring(struct u64_stats_sync *syncp, 864 struct ice_q_stats stats, u64 *pkts, u64 *bytes); 865 int ice_up(struct ice_vsi *vsi); 866 int ice_down(struct ice_vsi *vsi); 867 int ice_vsi_cfg(struct ice_vsi *vsi); 868 struct ice_vsi *ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi); 869 int ice_vsi_determine_xdp_res(struct ice_vsi *vsi); 870 int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog); 871 int ice_destroy_xdp_rings(struct ice_vsi *vsi); 872 int 873 ice_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames, 874 u32 flags); 875 int ice_set_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size); 876 int ice_get_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size); 877 int ice_set_rss_key(struct ice_vsi *vsi, u8 *seed); 878 int ice_get_rss_key(struct ice_vsi *vsi, u8 *seed); 879 void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size); 880 int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset); 881 void ice_print_link_msg(struct ice_vsi *vsi, bool isup); 882 int ice_plug_aux_dev(struct ice_pf *pf); 883 void ice_unplug_aux_dev(struct ice_pf *pf); 884 int ice_init_rdma(struct ice_pf *pf); 885 const char *ice_aq_str(enum ice_aq_err aq_err); 886 bool ice_is_wol_supported(struct ice_hw *hw); 887 void ice_fdir_del_all_fltrs(struct ice_vsi *vsi); 888 int 889 ice_fdir_write_fltr(struct ice_pf *pf, struct ice_fdir_fltr *input, bool add, 890 bool is_tun); 891 void ice_vsi_manage_fdir(struct ice_vsi *vsi, bool ena); 892 int ice_add_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd); 893 int ice_del_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd); 894 int ice_get_ethtool_fdir_entry(struct ice_hw *hw, struct ethtool_rxnfc *cmd); 895 int 896 ice_get_fdir_fltr_ids(struct ice_hw *hw, struct ethtool_rxnfc *cmd, 897 u32 *rule_locs); 898 void ice_fdir_rem_adq_chnl(struct ice_hw *hw, u16 vsi_idx); 899 void ice_fdir_release_flows(struct ice_hw *hw); 900 void ice_fdir_replay_flows(struct ice_hw *hw); 901 void ice_fdir_replay_fltrs(struct ice_pf *pf); 902 int ice_fdir_create_dflt_rules(struct ice_pf *pf); 903 int ice_aq_wait_for_event(struct ice_pf *pf, u16 opcode, unsigned long timeout, 904 struct ice_rq_event_info *event); 905 int ice_open(struct net_device *netdev); 906 int ice_open_internal(struct net_device *netdev); 907 int ice_stop(struct net_device *netdev); 908 void ice_service_task_schedule(struct ice_pf *pf); 909 910 /** 911 * ice_set_rdma_cap - enable RDMA support 912 * @pf: PF struct 913 */ 914 static inline void ice_set_rdma_cap(struct ice_pf *pf) 915 { 916 if (pf->hw.func_caps.common_cap.rdma && pf->num_rdma_msix) { 917 set_bit(ICE_FLAG_RDMA_ENA, pf->flags); 918 set_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags); 919 } 920 } 921 922 /** 923 * ice_clear_rdma_cap - disable RDMA support 924 * @pf: PF struct 925 */ 926 static inline void ice_clear_rdma_cap(struct ice_pf *pf) 927 { 928 /* We can directly unplug aux device here only if the flag bit 929 * ICE_FLAG_PLUG_AUX_DEV is not set because ice_unplug_aux_dev() 930 * could race with ice_plug_aux_dev() called from 931 * ice_service_task(). In this case we only clear that bit now and 932 * aux device will be unplugged later once ice_plug_aux_device() 933 * called from ice_service_task() finishes (see ice_service_task()). 934 */ 935 if (!test_and_clear_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags)) 936 ice_unplug_aux_dev(pf); 937 938 clear_bit(ICE_FLAG_RDMA_ENA, pf->flags); 939 } 940 #endif /* _ICE_H_ */ 941