1 /******************************************************************************* 2 * 3 * Intel Ethernet Controller XL710 Family Linux Driver 4 * Copyright(c) 2013 - 2016 Intel Corporation. 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms and conditions of the GNU General Public License, 8 * version 2, as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 * more details. 14 * 15 * You should have received a copy of the GNU General Public License along 16 * with this program. If not, see <http://www.gnu.org/licenses/>. 17 * 18 * The full GNU General Public License is included in this distribution in 19 * the file called "COPYING". 20 * 21 * Contact Information: 22 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> 23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 24 * 25 ******************************************************************************/ 26 27 #ifndef _I40E_H_ 28 #define _I40E_H_ 29 30 #include <net/tcp.h> 31 #include <net/udp.h> 32 #include <linux/types.h> 33 #include <linux/errno.h> 34 #include <linux/module.h> 35 #include <linux/pci.h> 36 #include <linux/aer.h> 37 #include <linux/netdevice.h> 38 #include <linux/ioport.h> 39 #include <linux/iommu.h> 40 #include <linux/slab.h> 41 #include <linux/list.h> 42 #include <linux/string.h> 43 #include <linux/in.h> 44 #include <linux/ip.h> 45 #include <linux/sctp.h> 46 #include <linux/pkt_sched.h> 47 #include <linux/ipv6.h> 48 #include <net/checksum.h> 49 #include <net/ip6_checksum.h> 50 #include <linux/ethtool.h> 51 #include <linux/if_vlan.h> 52 #include <linux/if_bridge.h> 53 #include <linux/clocksource.h> 54 #include <linux/net_tstamp.h> 55 #include <linux/ptp_clock_kernel.h> 56 #include "i40e_type.h" 57 #include "i40e_prototype.h" 58 #ifdef I40E_FCOE 59 #include "i40e_fcoe.h" 60 #endif 61 #include "i40e_client.h" 62 #include "i40e_virtchnl.h" 63 #include "i40e_virtchnl_pf.h" 64 #include "i40e_txrx.h" 65 #include "i40e_dcb.h" 66 67 /* Useful i40e defaults */ 68 #define I40E_MAX_VEB 16 69 70 #define I40E_MAX_NUM_DESCRIPTORS 4096 71 #define I40E_MAX_CSR_SPACE (4 * 1024 * 1024 - 64 * 1024) 72 #define I40E_DEFAULT_NUM_DESCRIPTORS 512 73 #define I40E_REQ_DESCRIPTOR_MULTIPLE 32 74 #define I40E_MIN_NUM_DESCRIPTORS 64 75 #define I40E_MIN_MSIX 2 76 #define I40E_DEFAULT_NUM_VMDQ_VSI 8 /* max 256 VSIs */ 77 #define I40E_MIN_VSI_ALLOC 51 /* LAN, ATR, FCOE, 32 VF, 16 VMDQ */ 78 /* max 16 qps */ 79 #define i40e_default_queues_per_vmdq(pf) \ 80 (((pf)->flags & I40E_FLAG_RSS_AQ_CAPABLE) ? 4 : 1) 81 #define I40E_DEFAULT_QUEUES_PER_VF 4 82 #define I40E_DEFAULT_QUEUES_PER_TC 1 /* should be a power of 2 */ 83 #define i40e_pf_get_max_q_per_tc(pf) \ 84 (((pf)->flags & I40E_FLAG_128_QP_RSS_CAPABLE) ? 128 : 64) 85 #define I40E_FDIR_RING 0 86 #define I40E_FDIR_RING_COUNT 32 87 #ifdef I40E_FCOE 88 #define I40E_DEFAULT_FCOE 8 /* default number of QPs for FCoE */ 89 #define I40E_MINIMUM_FCOE 1 /* minimum number of QPs for FCoE */ 90 #endif /* I40E_FCOE */ 91 #define I40E_MAX_AQ_BUF_SIZE 4096 92 #define I40E_AQ_LEN 256 93 #define I40E_AQ_WORK_LIMIT 66 /* max number of VFs + a little */ 94 #define I40E_MAX_USER_PRIORITY 8 95 #define I40E_DEFAULT_MSG_ENABLE 4 96 #define I40E_QUEUE_WAIT_RETRY_LIMIT 10 97 #define I40E_INT_NAME_STR_LEN (IFNAMSIZ + 16) 98 99 /* Ethtool Private Flags */ 100 #define I40E_PRIV_FLAGS_NPAR_FLAG BIT(0) 101 #define I40E_PRIV_FLAGS_LINKPOLL_FLAG BIT(1) 102 #define I40E_PRIV_FLAGS_FD_ATR BIT(2) 103 #define I40E_PRIV_FLAGS_VEB_STATS BIT(3) 104 #define I40E_PRIV_FLAGS_PS BIT(4) 105 #define I40E_PRIV_FLAGS_HW_ATR_EVICT BIT(5) 106 107 #define I40E_NVM_VERSION_LO_SHIFT 0 108 #define I40E_NVM_VERSION_LO_MASK (0xff << I40E_NVM_VERSION_LO_SHIFT) 109 #define I40E_NVM_VERSION_HI_SHIFT 12 110 #define I40E_NVM_VERSION_HI_MASK (0xf << I40E_NVM_VERSION_HI_SHIFT) 111 #define I40E_OEM_VER_BUILD_MASK 0xffff 112 #define I40E_OEM_VER_PATCH_MASK 0xff 113 #define I40E_OEM_VER_BUILD_SHIFT 8 114 #define I40E_OEM_VER_SHIFT 24 115 #define I40E_PHY_DEBUG_PORT BIT(4) 116 117 /* The values in here are decimal coded as hex as is the case in the NVM map*/ 118 #define I40E_CURRENT_NVM_VERSION_HI 0x2 119 #define I40E_CURRENT_NVM_VERSION_LO 0x40 120 121 /* magic for getting defines into strings */ 122 #define STRINGIFY(foo) #foo 123 #define XSTRINGIFY(bar) STRINGIFY(bar) 124 125 #define I40E_RX_DESC(R, i) \ 126 ((ring_is_16byte_desc_enabled(R)) \ 127 ? (union i40e_32byte_rx_desc *) \ 128 (&(((union i40e_16byte_rx_desc *)((R)->desc))[i])) \ 129 : (&(((union i40e_32byte_rx_desc *)((R)->desc))[i]))) 130 #define I40E_TX_DESC(R, i) \ 131 (&(((struct i40e_tx_desc *)((R)->desc))[i])) 132 #define I40E_TX_CTXTDESC(R, i) \ 133 (&(((struct i40e_tx_context_desc *)((R)->desc))[i])) 134 #define I40E_TX_FDIRDESC(R, i) \ 135 (&(((struct i40e_filter_program_desc *)((R)->desc))[i])) 136 137 /* default to trying for four seconds */ 138 #define I40E_TRY_LINK_TIMEOUT (4 * HZ) 139 140 /** 141 * i40e_is_mac_710 - Return true if MAC is X710/XL710 142 * @hw: ptr to the hardware info 143 **/ 144 static inline bool i40e_is_mac_710(struct i40e_hw *hw) 145 { 146 if ((hw->mac.type == I40E_MAC_X710) || 147 (hw->mac.type == I40E_MAC_XL710)) 148 return true; 149 150 return false; 151 } 152 153 /* driver state flags */ 154 enum i40e_state_t { 155 __I40E_TESTING, 156 __I40E_CONFIG_BUSY, 157 __I40E_CONFIG_DONE, 158 __I40E_DOWN, 159 __I40E_NEEDS_RESTART, 160 __I40E_SERVICE_SCHED, 161 __I40E_ADMINQ_EVENT_PENDING, 162 __I40E_MDD_EVENT_PENDING, 163 __I40E_VFLR_EVENT_PENDING, 164 __I40E_RESET_RECOVERY_PENDING, 165 __I40E_RESET_INTR_RECEIVED, 166 __I40E_REINIT_REQUESTED, 167 __I40E_PF_RESET_REQUESTED, 168 __I40E_CORE_RESET_REQUESTED, 169 __I40E_GLOBAL_RESET_REQUESTED, 170 __I40E_EMP_RESET_REQUESTED, 171 __I40E_EMP_RESET_INTR_RECEIVED, 172 __I40E_FILTER_OVERFLOW_PROMISC, 173 __I40E_SUSPENDED, 174 __I40E_PTP_TX_IN_PROGRESS, 175 __I40E_BAD_EEPROM, 176 __I40E_DOWN_REQUESTED, 177 __I40E_FD_FLUSH_REQUESTED, 178 __I40E_RESET_FAILED, 179 __I40E_PORT_TX_SUSPENDED, 180 __I40E_VF_DISABLE, 181 }; 182 183 enum i40e_interrupt_policy { 184 I40E_INTERRUPT_BEST_CASE, 185 I40E_INTERRUPT_MEDIUM, 186 I40E_INTERRUPT_LOWEST 187 }; 188 189 struct i40e_lump_tracking { 190 u16 num_entries; 191 u16 search_hint; 192 u16 list[0]; 193 #define I40E_PILE_VALID_BIT 0x8000 194 #define I40E_IWARP_IRQ_PILE_ID (I40E_PILE_VALID_BIT - 2) 195 }; 196 197 #define I40E_DEFAULT_ATR_SAMPLE_RATE 20 198 #define I40E_FDIR_MAX_RAW_PACKET_SIZE 512 199 #define I40E_FDIR_BUFFER_FULL_MARGIN 10 200 #define I40E_FDIR_BUFFER_HEAD_ROOM 32 201 #define I40E_FDIR_BUFFER_HEAD_ROOM_FOR_ATR (I40E_FDIR_BUFFER_HEAD_ROOM * 4) 202 203 #define I40E_HKEY_ARRAY_SIZE ((I40E_PFQF_HKEY_MAX_INDEX + 1) * 4) 204 #define I40E_HLUT_ARRAY_SIZE ((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4) 205 206 enum i40e_fd_stat_idx { 207 I40E_FD_STAT_ATR, 208 I40E_FD_STAT_SB, 209 I40E_FD_STAT_ATR_TUNNEL, 210 I40E_FD_STAT_PF_COUNT 211 }; 212 #define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT) 213 #define I40E_FD_ATR_STAT_IDX(pf_id) \ 214 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR) 215 #define I40E_FD_SB_STAT_IDX(pf_id) \ 216 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB) 217 #define I40E_FD_ATR_TUNNEL_STAT_IDX(pf_id) \ 218 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR_TUNNEL) 219 220 struct i40e_fdir_filter { 221 struct hlist_node fdir_node; 222 /* filter ipnut set */ 223 u8 flow_type; 224 u8 ip4_proto; 225 /* TX packet view of src and dst */ 226 __be32 dst_ip[4]; 227 __be32 src_ip[4]; 228 __be16 src_port; 229 __be16 dst_port; 230 __be32 sctp_v_tag; 231 /* filter control */ 232 u16 q_index; 233 u8 flex_off; 234 u8 pctype; 235 u16 dest_vsi; 236 u8 dest_ctl; 237 u8 fd_status; 238 u16 cnt_index; 239 u32 fd_id; 240 }; 241 242 #define I40E_ETH_P_LLDP 0x88cc 243 244 #define I40E_DCB_PRIO_TYPE_STRICT 0 245 #define I40E_DCB_PRIO_TYPE_ETS 1 246 #define I40E_DCB_STRICT_PRIO_CREDITS 127 247 #define I40E_MAX_USER_PRIORITY 8 248 /* DCB per TC information data structure */ 249 struct i40e_tc_info { 250 u16 qoffset; /* Queue offset from base queue */ 251 u16 qcount; /* Total Queues */ 252 u8 netdev_tc; /* Netdev TC index if netdev associated */ 253 }; 254 255 /* TC configuration data structure */ 256 struct i40e_tc_configuration { 257 u8 numtc; /* Total number of enabled TCs */ 258 u8 enabled_tc; /* TC map */ 259 struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS]; 260 }; 261 262 struct i40e_udp_port_config { 263 __be16 index; 264 u8 type; 265 }; 266 267 /* struct that defines the Ethernet device */ 268 struct i40e_pf { 269 struct pci_dev *pdev; 270 struct i40e_hw hw; 271 unsigned long state; 272 struct msix_entry *msix_entries; 273 bool fc_autoneg_status; 274 275 u16 eeprom_version; 276 u16 num_vmdq_vsis; /* num vmdq vsis this PF has set up */ 277 u16 num_vmdq_qps; /* num queue pairs per vmdq pool */ 278 u16 num_vmdq_msix; /* num queue vectors per vmdq pool */ 279 u16 num_req_vfs; /* num VFs requested for this VF */ 280 u16 num_vf_qps; /* num queue pairs per VF */ 281 #ifdef I40E_FCOE 282 u16 num_fcoe_qps; /* num fcoe queues this PF has set up */ 283 u16 num_fcoe_msix; /* num queue vectors per fcoe pool */ 284 #endif /* I40E_FCOE */ 285 u16 num_lan_qps; /* num lan queues this PF has set up */ 286 u16 num_lan_msix; /* num queue vectors for the base PF vsi */ 287 u16 num_iwarp_msix; /* num of iwarp vectors for this PF */ 288 int iwarp_base_vector; 289 int queues_left; /* queues left unclaimed */ 290 u16 alloc_rss_size; /* allocated RSS queues */ 291 u16 rss_size_max; /* HW defined max RSS queues */ 292 u16 fdir_pf_filter_count; /* num of guaranteed filters for this PF */ 293 u16 num_alloc_vsi; /* num VSIs this driver supports */ 294 u8 atr_sample_rate; 295 bool wol_en; 296 297 struct hlist_head fdir_filter_list; 298 u16 fdir_pf_active_filters; 299 unsigned long fd_flush_timestamp; 300 u32 fd_flush_cnt; 301 u32 fd_add_err; 302 u32 fd_atr_cnt; 303 u32 fd_tcp_rule; 304 305 struct i40e_udp_port_config udp_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS]; 306 u16 pending_udp_bitmap; 307 308 enum i40e_interrupt_policy int_policy; 309 u16 rx_itr_default; 310 u16 tx_itr_default; 311 u32 msg_enable; 312 char int_name[I40E_INT_NAME_STR_LEN]; 313 u16 adminq_work_limit; /* num of admin receive queue desc to process */ 314 unsigned long service_timer_period; 315 unsigned long service_timer_previous; 316 struct timer_list service_timer; 317 struct work_struct service_task; 318 319 u64 flags; 320 #define I40E_FLAG_RX_CSUM_ENABLED BIT_ULL(1) 321 #define I40E_FLAG_MSI_ENABLED BIT_ULL(2) 322 #define I40E_FLAG_MSIX_ENABLED BIT_ULL(3) 323 #define I40E_FLAG_RX_1BUF_ENABLED BIT_ULL(4) 324 #define I40E_FLAG_RX_PS_ENABLED BIT_ULL(5) 325 #define I40E_FLAG_RSS_ENABLED BIT_ULL(6) 326 #define I40E_FLAG_VMDQ_ENABLED BIT_ULL(7) 327 #define I40E_FLAG_FDIR_REQUIRES_REINIT BIT_ULL(8) 328 #define I40E_FLAG_NEED_LINK_UPDATE BIT_ULL(9) 329 #define I40E_FLAG_IWARP_ENABLED BIT_ULL(10) 330 #ifdef I40E_FCOE 331 #define I40E_FLAG_FCOE_ENABLED BIT_ULL(11) 332 #endif /* I40E_FCOE */ 333 #define I40E_FLAG_16BYTE_RX_DESC_ENABLED BIT_ULL(13) 334 #define I40E_FLAG_CLEAN_ADMINQ BIT_ULL(14) 335 #define I40E_FLAG_FILTER_SYNC BIT_ULL(15) 336 #define I40E_FLAG_SERVICE_CLIENT_REQUESTED BIT_ULL(16) 337 #define I40E_FLAG_PROCESS_MDD_EVENT BIT_ULL(17) 338 #define I40E_FLAG_PROCESS_VFLR_EVENT BIT_ULL(18) 339 #define I40E_FLAG_SRIOV_ENABLED BIT_ULL(19) 340 #define I40E_FLAG_DCB_ENABLED BIT_ULL(20) 341 #define I40E_FLAG_FD_SB_ENABLED BIT_ULL(21) 342 #define I40E_FLAG_FD_ATR_ENABLED BIT_ULL(22) 343 #define I40E_FLAG_PTP BIT_ULL(25) 344 #define I40E_FLAG_MFP_ENABLED BIT_ULL(26) 345 #define I40E_FLAG_UDP_FILTER_SYNC BIT_ULL(27) 346 #define I40E_FLAG_PORT_ID_VALID BIT_ULL(28) 347 #define I40E_FLAG_DCB_CAPABLE BIT_ULL(29) 348 #define I40E_FLAG_RSS_AQ_CAPABLE BIT_ULL(31) 349 #define I40E_FLAG_HW_ATR_EVICT_CAPABLE BIT_ULL(32) 350 #define I40E_FLAG_OUTER_UDP_CSUM_CAPABLE BIT_ULL(33) 351 #define I40E_FLAG_128_QP_RSS_CAPABLE BIT_ULL(34) 352 #define I40E_FLAG_WB_ON_ITR_CAPABLE BIT_ULL(35) 353 #define I40E_FLAG_VEB_STATS_ENABLED BIT_ULL(37) 354 #define I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE BIT_ULL(38) 355 #define I40E_FLAG_LINK_POLLING_ENABLED BIT_ULL(39) 356 #define I40E_FLAG_VEB_MODE_ENABLED BIT_ULL(40) 357 #define I40E_FLAG_GENEVE_OFFLOAD_CAPABLE BIT_ULL(41) 358 #define I40E_FLAG_NO_PCI_LINK_CHECK BIT_ULL(42) 359 #define I40E_FLAG_100M_SGMII_CAPABLE BIT_ULL(43) 360 #define I40E_FLAG_RESTART_AUTONEG BIT_ULL(44) 361 #define I40E_FLAG_NO_DCB_SUPPORT BIT_ULL(45) 362 #define I40E_FLAG_USE_SET_LLDP_MIB BIT_ULL(46) 363 #define I40E_FLAG_STOP_FW_LLDP BIT_ULL(47) 364 #define I40E_FLAG_HAVE_10GBASET_PHY BIT_ULL(48) 365 #define I40E_FLAG_PF_MAC BIT_ULL(50) 366 367 /* tracks features that get auto disabled by errors */ 368 u64 auto_disable_flags; 369 370 #ifdef I40E_FCOE 371 struct i40e_fcoe fcoe; 372 373 #endif /* I40E_FCOE */ 374 bool stat_offsets_loaded; 375 struct i40e_hw_port_stats stats; 376 struct i40e_hw_port_stats stats_offsets; 377 u32 tx_timeout_count; 378 u32 tx_timeout_recovery_level; 379 unsigned long tx_timeout_last_recovery; 380 u32 tx_sluggish_count; 381 u32 hw_csum_rx_error; 382 u32 led_status; 383 u16 corer_count; /* Core reset count */ 384 u16 globr_count; /* Global reset count */ 385 u16 empr_count; /* EMP reset count */ 386 u16 pfr_count; /* PF reset count */ 387 u16 sw_int_count; /* SW interrupt count */ 388 389 struct mutex switch_mutex; 390 u16 lan_vsi; /* our default LAN VSI */ 391 u16 lan_veb; /* initial relay, if exists */ 392 #define I40E_NO_VEB 0xffff 393 #define I40E_NO_VSI 0xffff 394 u16 next_vsi; /* Next unallocated VSI - 0-based! */ 395 struct i40e_vsi **vsi; 396 struct i40e_veb *veb[I40E_MAX_VEB]; 397 398 struct i40e_lump_tracking *qp_pile; 399 struct i40e_lump_tracking *irq_pile; 400 401 /* switch config info */ 402 u16 pf_seid; 403 u16 main_vsi_seid; 404 u16 mac_seid; 405 struct kobject *switch_kobj; 406 #ifdef CONFIG_DEBUG_FS 407 struct dentry *i40e_dbg_pf; 408 #endif /* CONFIG_DEBUG_FS */ 409 bool cur_promisc; 410 411 u16 instance; /* A unique number per i40e_pf instance in the system */ 412 413 /* sr-iov config info */ 414 struct i40e_vf *vf; 415 int num_alloc_vfs; /* actual number of VFs allocated */ 416 u32 vf_aq_requests; 417 u32 arq_overflows; /* Not fatal, possibly indicative of problems */ 418 419 /* DCBx/DCBNL capability for PF that indicates 420 * whether DCBx is managed by firmware or host 421 * based agent (LLDPAD). Also, indicates what 422 * flavor of DCBx protocol (IEEE/CEE) is supported 423 * by the device. For now we're supporting IEEE 424 * mode only. 425 */ 426 u16 dcbx_cap; 427 428 u32 fcoe_hmc_filt_num; 429 u32 fcoe_hmc_cntx_num; 430 struct i40e_filter_control_settings filter_settings; 431 432 struct ptp_clock *ptp_clock; 433 struct ptp_clock_info ptp_caps; 434 struct sk_buff *ptp_tx_skb; 435 struct hwtstamp_config tstamp_config; 436 unsigned long last_rx_ptp_check; 437 spinlock_t tmreg_lock; /* Used to protect the device time registers. */ 438 u64 ptp_base_adj; 439 u32 tx_hwtstamp_timeouts; 440 u32 rx_hwtstamp_cleared; 441 bool ptp_tx; 442 bool ptp_rx; 443 u16 rss_table_size; /* HW RSS table size */ 444 /* These are only valid in NPAR modes */ 445 u32 npar_max_bw; 446 u32 npar_min_bw; 447 448 u32 ioremap_len; 449 u32 fd_inv; 450 u16 phy_led_val; 451 }; 452 453 struct i40e_mac_filter { 454 struct list_head list; 455 u8 macaddr[ETH_ALEN]; 456 #define I40E_VLAN_ANY -1 457 s16 vlan; 458 u8 counter; /* number of instances of this filter */ 459 bool is_vf; /* filter belongs to a VF */ 460 bool is_netdev; /* filter belongs to a netdev */ 461 bool changed; /* filter needs to be sync'd to the HW */ 462 bool is_laa; /* filter is a Locally Administered Address */ 463 }; 464 465 struct i40e_veb { 466 struct i40e_pf *pf; 467 u16 idx; 468 u16 veb_idx; /* index of VEB parent */ 469 u16 seid; 470 u16 uplink_seid; 471 u16 stats_idx; /* index of VEB parent */ 472 u8 enabled_tc; 473 u16 bridge_mode; /* Bridge Mode (VEB/VEPA) */ 474 u16 flags; 475 u16 bw_limit; 476 u8 bw_max_quanta; 477 bool is_abs_credits; 478 u8 bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS]; 479 u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS]; 480 u8 bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS]; 481 struct kobject *kobj; 482 bool stat_offsets_loaded; 483 struct i40e_eth_stats stats; 484 struct i40e_eth_stats stats_offsets; 485 struct i40e_veb_tc_stats tc_stats; 486 struct i40e_veb_tc_stats tc_stats_offsets; 487 }; 488 489 /* struct that defines a VSI, associated with a dev */ 490 struct i40e_vsi { 491 struct net_device *netdev; 492 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 493 bool netdev_registered; 494 bool stat_offsets_loaded; 495 496 u32 current_netdev_flags; 497 unsigned long state; 498 #define I40E_VSI_FLAG_FILTER_CHANGED BIT(0) 499 #define I40E_VSI_FLAG_VEB_OWNER BIT(1) 500 unsigned long flags; 501 502 /* Per VSI lock to protect elements/list (MAC filter) */ 503 spinlock_t mac_filter_list_lock; 504 struct list_head mac_filter_list; 505 506 /* VSI stats */ 507 struct rtnl_link_stats64 net_stats; 508 struct rtnl_link_stats64 net_stats_offsets; 509 struct i40e_eth_stats eth_stats; 510 struct i40e_eth_stats eth_stats_offsets; 511 #ifdef I40E_FCOE 512 struct i40e_fcoe_stats fcoe_stats; 513 struct i40e_fcoe_stats fcoe_stats_offsets; 514 bool fcoe_stat_offsets_loaded; 515 #endif 516 u32 tx_restart; 517 u32 tx_busy; 518 u64 tx_linearize; 519 u64 tx_force_wb; 520 u64 tx_lost_interrupt; 521 u32 rx_buf_failed; 522 u32 rx_page_failed; 523 524 /* These are containers of ring pointers, allocated at run-time */ 525 struct i40e_ring **rx_rings; 526 struct i40e_ring **tx_rings; 527 528 u16 work_limit; 529 u16 int_rate_limit; /* value in usecs */ 530 531 u16 rss_table_size; /* HW RSS table size */ 532 u16 rss_size; /* Allocated RSS queues */ 533 u8 *rss_hkey_user; /* User configured hash keys */ 534 u8 *rss_lut_user; /* User configured lookup table entries */ 535 536 u16 max_frame; 537 u16 rx_hdr_len; 538 u16 rx_buf_len; 539 u8 dtype; 540 541 /* List of q_vectors allocated to this VSI */ 542 struct i40e_q_vector **q_vectors; 543 int num_q_vectors; 544 int base_vector; 545 bool irqs_ready; 546 547 u16 seid; /* HW index of this VSI (absolute index) */ 548 u16 id; /* VSI number */ 549 u16 uplink_seid; 550 551 u16 base_queue; /* vsi's first queue in hw array */ 552 u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */ 553 u16 req_queue_pairs; /* User requested queue pairs */ 554 u16 num_queue_pairs; /* Used tx and rx pairs */ 555 u16 num_desc; 556 enum i40e_vsi_type type; /* VSI type, e.g., LAN, FCoE, etc */ 557 u16 vf_id; /* Virtual function ID for SRIOV VSIs */ 558 559 struct i40e_tc_configuration tc_config; 560 struct i40e_aqc_vsi_properties_data info; 561 562 /* VSI BW limit (absolute across all TCs) */ 563 u16 bw_limit; /* VSI BW Limit (0 = disabled) */ 564 u8 bw_max_quanta; /* Max Quanta when BW limit is enabled */ 565 566 /* Relative TC credits across VSIs */ 567 u8 bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS]; 568 /* TC BW limit credits within VSI */ 569 u16 bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS]; 570 /* TC BW limit max quanta within VSI */ 571 u8 bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS]; 572 573 struct i40e_pf *back; /* Backreference to associated PF */ 574 u16 idx; /* index in pf->vsi[] */ 575 u16 veb_idx; /* index of VEB parent */ 576 struct kobject *kobj; /* sysfs object */ 577 bool current_isup; /* Sync 'link up' logging */ 578 579 void *priv; /* client driver data reference. */ 580 581 /* VSI specific handlers */ 582 irqreturn_t (*irq_handler)(int irq, void *data); 583 584 /* current rxnfc data */ 585 struct ethtool_rxnfc rxnfc; /* current rss hash opts */ 586 } ____cacheline_internodealigned_in_smp; 587 588 struct i40e_netdev_priv { 589 struct i40e_vsi *vsi; 590 }; 591 592 /* struct that defines an interrupt vector */ 593 struct i40e_q_vector { 594 struct i40e_vsi *vsi; 595 596 u16 v_idx; /* index in the vsi->q_vector array. */ 597 u16 reg_idx; /* register index of the interrupt */ 598 599 struct napi_struct napi; 600 601 struct i40e_ring_container rx; 602 struct i40e_ring_container tx; 603 604 u8 num_ringpairs; /* total number of ring pairs in vector */ 605 606 #define I40E_Q_VECTOR_HUNG_DETECT 0 /* Bit Index for hung detection logic */ 607 unsigned long hung_detected; /* Set/Reset for hung_detection logic */ 608 609 cpumask_t affinity_mask; 610 struct rcu_head rcu; /* to avoid race with update stats on free */ 611 char name[I40E_INT_NAME_STR_LEN]; 612 bool arm_wb_state; 613 #define ITR_COUNTDOWN_START 100 614 u8 itr_countdown; /* when 0 should adjust ITR */ 615 } ____cacheline_internodealigned_in_smp; 616 617 /* lan device */ 618 struct i40e_device { 619 struct list_head list; 620 struct i40e_pf *pf; 621 }; 622 623 /** 624 * i40e_nvm_version_str - format the NVM version strings 625 * @hw: ptr to the hardware info 626 **/ 627 static inline char *i40e_nvm_version_str(struct i40e_hw *hw) 628 { 629 static char buf[32]; 630 u32 full_ver; 631 u8 ver, patch; 632 u16 build; 633 634 full_ver = hw->nvm.oem_ver; 635 ver = (u8)(full_ver >> I40E_OEM_VER_SHIFT); 636 build = (u16)((full_ver >> I40E_OEM_VER_BUILD_SHIFT) & 637 I40E_OEM_VER_BUILD_MASK); 638 patch = (u8)(full_ver & I40E_OEM_VER_PATCH_MASK); 639 640 snprintf(buf, sizeof(buf), 641 "%x.%02x 0x%x %d.%d.%d", 642 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >> 643 I40E_NVM_VERSION_HI_SHIFT, 644 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >> 645 I40E_NVM_VERSION_LO_SHIFT, 646 hw->nvm.eetrack, ver, build, patch); 647 648 return buf; 649 } 650 651 /** 652 * i40e_netdev_to_pf: Retrieve the PF struct for given netdev 653 * @netdev: the corresponding netdev 654 * 655 * Return the PF struct for the given netdev 656 **/ 657 static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev) 658 { 659 struct i40e_netdev_priv *np = netdev_priv(netdev); 660 struct i40e_vsi *vsi = np->vsi; 661 662 return vsi->back; 663 } 664 665 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi, 666 irqreturn_t (*irq_handler)(int, void *)) 667 { 668 vsi->irq_handler = irq_handler; 669 } 670 671 /** 672 * i40e_rx_is_programming_status - check for programming status descriptor 673 * @qw: the first quad word of the program status descriptor 674 * 675 * The value of in the descriptor length field indicate if this 676 * is a programming status descriptor for flow director or FCoE 677 * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise 678 * it is a packet descriptor. 679 **/ 680 static inline bool i40e_rx_is_programming_status(u64 qw) 681 { 682 return I40E_RX_PROG_STATUS_DESC_LENGTH == 683 (qw >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT); 684 } 685 686 /** 687 * i40e_get_fd_cnt_all - get the total FD filter space available 688 * @pf: pointer to the PF struct 689 **/ 690 static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf) 691 { 692 return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count; 693 } 694 695 /* needed by i40e_ethtool.c */ 696 int i40e_up(struct i40e_vsi *vsi); 697 void i40e_down(struct i40e_vsi *vsi); 698 extern const char i40e_driver_name[]; 699 extern const char i40e_driver_version_str[]; 700 void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags); 701 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags); 702 int i40e_config_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size); 703 int i40e_get_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size); 704 struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id); 705 void i40e_update_stats(struct i40e_vsi *vsi); 706 void i40e_update_eth_stats(struct i40e_vsi *vsi); 707 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi); 708 int i40e_fetch_switch_configuration(struct i40e_pf *pf, 709 bool printconfig); 710 711 int i40e_program_fdir_filter(struct i40e_fdir_filter *fdir_data, u8 *raw_packet, 712 struct i40e_pf *pf, bool add); 713 int i40e_add_del_fdir(struct i40e_vsi *vsi, 714 struct i40e_fdir_filter *input, bool add); 715 void i40e_fdir_check_and_reenable(struct i40e_pf *pf); 716 u32 i40e_get_current_fd_count(struct i40e_pf *pf); 717 u32 i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf); 718 u32 i40e_get_current_atr_cnt(struct i40e_pf *pf); 719 u32 i40e_get_global_fd_count(struct i40e_pf *pf); 720 bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features); 721 void i40e_set_ethtool_ops(struct net_device *netdev); 722 struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi, 723 u8 *macaddr, s16 vlan, 724 bool is_vf, bool is_netdev); 725 void i40e_del_filter(struct i40e_vsi *vsi, u8 *macaddr, s16 vlan, 726 bool is_vf, bool is_netdev); 727 int i40e_sync_vsi_filters(struct i40e_vsi *vsi); 728 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type, 729 u16 uplink, u32 param1); 730 int i40e_vsi_release(struct i40e_vsi *vsi); 731 struct i40e_vsi *i40e_vsi_lookup(struct i40e_pf *pf, enum i40e_vsi_type type, 732 struct i40e_vsi *start_vsi); 733 #ifdef I40E_FCOE 734 void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi, 735 struct i40e_vsi_context *ctxt, 736 u8 enabled_tc, bool is_add); 737 #endif 738 void i40e_service_event_schedule(struct i40e_pf *pf); 739 void i40e_notify_client_of_vf_msg(struct i40e_vsi *vsi, u32 vf_id, 740 u8 *msg, u16 len); 741 742 int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool enable); 743 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count); 744 struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid, 745 u16 downlink_seid, u8 enabled_tc); 746 void i40e_veb_release(struct i40e_veb *veb); 747 748 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc); 749 int i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid); 750 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi); 751 void i40e_vsi_reset_stats(struct i40e_vsi *vsi); 752 void i40e_pf_reset_stats(struct i40e_pf *pf); 753 #ifdef CONFIG_DEBUG_FS 754 void i40e_dbg_pf_init(struct i40e_pf *pf); 755 void i40e_dbg_pf_exit(struct i40e_pf *pf); 756 void i40e_dbg_init(void); 757 void i40e_dbg_exit(void); 758 #else 759 static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {} 760 static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {} 761 static inline void i40e_dbg_init(void) {} 762 static inline void i40e_dbg_exit(void) {} 763 #endif /* CONFIG_DEBUG_FS*/ 764 /* needed by client drivers */ 765 int i40e_lan_add_device(struct i40e_pf *pf); 766 int i40e_lan_del_device(struct i40e_pf *pf); 767 void i40e_client_subtask(struct i40e_pf *pf); 768 void i40e_notify_client_of_l2_param_changes(struct i40e_vsi *vsi); 769 void i40e_notify_client_of_netdev_open(struct i40e_vsi *vsi); 770 void i40e_notify_client_of_netdev_close(struct i40e_vsi *vsi, bool reset); 771 void i40e_notify_client_of_vf_enable(struct i40e_pf *pf, u32 num_vfs); 772 void i40e_notify_client_of_vf_reset(struct i40e_pf *pf, u32 vf_id); 773 int i40e_vf_client_capable(struct i40e_pf *pf, u32 vf_id, 774 enum i40e_client_type type); 775 /** 776 * i40e_irq_dynamic_enable - Enable default interrupt generation settings 777 * @vsi: pointer to a vsi 778 * @vector: enable a particular Hw Interrupt vector, without base_vector 779 **/ 780 static inline void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector) 781 { 782 struct i40e_pf *pf = vsi->back; 783 struct i40e_hw *hw = &pf->hw; 784 u32 val; 785 786 /* definitely clear the PBA here, as this function is meant to 787 * clean out all previous interrupts AND enable the interrupt 788 */ 789 val = I40E_PFINT_DYN_CTLN_INTENA_MASK | 790 I40E_PFINT_DYN_CTLN_CLEARPBA_MASK | 791 (I40E_ITR_NONE << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT); 792 wr32(hw, I40E_PFINT_DYN_CTLN(vector + vsi->base_vector - 1), val); 793 /* skip the flush */ 794 } 795 796 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf); 797 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf, bool clearpba); 798 #ifdef I40E_FCOE 799 struct rtnl_link_stats64 *i40e_get_netdev_stats_struct( 800 struct net_device *netdev, 801 struct rtnl_link_stats64 *storage); 802 int i40e_set_mac(struct net_device *netdev, void *p); 803 void i40e_set_rx_mode(struct net_device *netdev); 804 #endif 805 int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd); 806 #ifdef I40E_FCOE 807 void i40e_tx_timeout(struct net_device *netdev); 808 int i40e_vlan_rx_add_vid(struct net_device *netdev, 809 __always_unused __be16 proto, u16 vid); 810 int i40e_vlan_rx_kill_vid(struct net_device *netdev, 811 __always_unused __be16 proto, u16 vid); 812 #endif 813 int i40e_open(struct net_device *netdev); 814 int i40e_vsi_open(struct i40e_vsi *vsi); 815 void i40e_vlan_stripping_disable(struct i40e_vsi *vsi); 816 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid); 817 int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid); 818 struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, u8 *macaddr, 819 bool is_vf, bool is_netdev); 820 int i40e_del_mac_all_vlan(struct i40e_vsi *vsi, u8 *macaddr, 821 bool is_vf, bool is_netdev); 822 bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi); 823 struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, u8 *macaddr, 824 bool is_vf, bool is_netdev); 825 #ifdef I40E_FCOE 826 int i40e_close(struct net_device *netdev); 827 int __i40e_setup_tc(struct net_device *netdev, u32 handle, __be16 proto, 828 struct tc_to_netdev *tc); 829 void i40e_netpoll(struct net_device *netdev); 830 int i40e_fcoe_enable(struct net_device *netdev); 831 int i40e_fcoe_disable(struct net_device *netdev); 832 int i40e_fcoe_vsi_init(struct i40e_vsi *vsi, struct i40e_vsi_context *ctxt); 833 u8 i40e_get_fcoe_tc_map(struct i40e_pf *pf); 834 void i40e_fcoe_config_netdev(struct net_device *netdev, struct i40e_vsi *vsi); 835 void i40e_fcoe_vsi_setup(struct i40e_pf *pf); 836 void i40e_init_pf_fcoe(struct i40e_pf *pf); 837 int i40e_fcoe_setup_ddp_resources(struct i40e_vsi *vsi); 838 void i40e_fcoe_free_ddp_resources(struct i40e_vsi *vsi); 839 int i40e_fcoe_handle_offload(struct i40e_ring *rx_ring, 840 union i40e_rx_desc *rx_desc, 841 struct sk_buff *skb); 842 void i40e_fcoe_handle_status(struct i40e_ring *rx_ring, 843 union i40e_rx_desc *rx_desc, u8 prog_id); 844 #endif /* I40E_FCOE */ 845 void i40e_vlan_stripping_enable(struct i40e_vsi *vsi); 846 #ifdef CONFIG_I40E_DCB 847 void i40e_dcbnl_flush_apps(struct i40e_pf *pf, 848 struct i40e_dcbx_config *old_cfg, 849 struct i40e_dcbx_config *new_cfg); 850 void i40e_dcbnl_set_all(struct i40e_vsi *vsi); 851 void i40e_dcbnl_setup(struct i40e_vsi *vsi); 852 bool i40e_dcb_need_reconfig(struct i40e_pf *pf, 853 struct i40e_dcbx_config *old_cfg, 854 struct i40e_dcbx_config *new_cfg); 855 #endif /* CONFIG_I40E_DCB */ 856 void i40e_ptp_rx_hang(struct i40e_vsi *vsi); 857 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf); 858 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index); 859 void i40e_ptp_set_increment(struct i40e_pf *pf); 860 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr); 861 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr); 862 void i40e_ptp_init(struct i40e_pf *pf); 863 void i40e_ptp_stop(struct i40e_pf *pf); 864 int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi); 865 i40e_status i40e_get_npar_bw_setting(struct i40e_pf *pf); 866 i40e_status i40e_set_npar_bw_setting(struct i40e_pf *pf); 867 i40e_status i40e_commit_npar_bw_setting(struct i40e_pf *pf); 868 void i40e_print_link_message(struct i40e_vsi *vsi, bool isup); 869 #endif /* _I40E_H_ */ 870