1 /******************************************************************************* 2 * 3 * Intel Ethernet Controller XL710 Family Linux Driver 4 * Copyright(c) 2013 - 2014 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/slab.h> 40 #include <linux/list.h> 41 #include <linux/string.h> 42 #include <linux/in.h> 43 #include <linux/ip.h> 44 #include <linux/tcp.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/clocksource.h> 53 #include <linux/net_tstamp.h> 54 #include <linux/ptp_clock_kernel.h> 55 #include "i40e_type.h" 56 #include "i40e_prototype.h" 57 #ifdef I40E_FCOE 58 #include "i40e_fcoe.h" 59 #endif 60 #include "i40e_virtchnl.h" 61 #include "i40e_virtchnl_pf.h" 62 #include "i40e_txrx.h" 63 #include "i40e_dcb.h" 64 65 /* Useful i40e defaults */ 66 #define I40E_BASE_PF_SEID 16 67 #define I40E_BASE_VSI_SEID 512 68 #define I40E_BASE_VEB_SEID 288 69 #define I40E_MAX_VEB 16 70 71 #define I40E_MAX_NUM_DESCRIPTORS 4096 72 #define I40E_MAX_REGISTER 0x800000 73 #define I40E_DEFAULT_NUM_DESCRIPTORS 512 74 #define I40E_REQ_DESCRIPTOR_MULTIPLE 32 75 #define I40E_MIN_NUM_DESCRIPTORS 64 76 #define I40E_MIN_MSIX 2 77 #define I40E_DEFAULT_NUM_VMDQ_VSI 8 /* max 256 VSIs */ 78 #define I40E_MIN_VSI_ALLOC 51 /* LAN, ATR, FCOE, 32 VF, 16 VMDQ */ 79 #define I40E_DEFAULT_QUEUES_PER_VMDQ 2 /* max 16 qps */ 80 #define I40E_DEFAULT_QUEUES_PER_VF 4 81 #define I40E_DEFAULT_QUEUES_PER_TC 1 /* should be a power of 2 */ 82 #define I40E_MAX_QUEUES_PER_TC 64 /* should be a power of 2 */ 83 #define I40E_FDIR_RING 0 84 #define I40E_FDIR_RING_COUNT 32 85 #ifdef I40E_FCOE 86 #define I40E_DEFAULT_FCOE 8 /* default number of QPs for FCoE */ 87 #define I40E_MINIMUM_FCOE 1 /* minimum number of QPs for FCoE */ 88 #endif /* I40E_FCOE */ 89 #define I40E_MAX_AQ_BUF_SIZE 4096 90 #define I40E_AQ_LEN 32 91 #define I40E_AQ_WORK_LIMIT 16 92 #define I40E_MAX_USER_PRIORITY 8 93 #define I40E_DEFAULT_MSG_ENABLE 4 94 #define I40E_QUEUE_WAIT_RETRY_LIMIT 10 95 96 #define I40E_NVM_VERSION_LO_SHIFT 0 97 #define I40E_NVM_VERSION_LO_MASK (0xff << I40E_NVM_VERSION_LO_SHIFT) 98 #define I40E_NVM_VERSION_HI_SHIFT 12 99 #define I40E_NVM_VERSION_HI_MASK (0xf << I40E_NVM_VERSION_HI_SHIFT) 100 101 /* The values in here are decimal coded as hex as is the case in the NVM map*/ 102 #define I40E_CURRENT_NVM_VERSION_HI 0x2 103 #define I40E_CURRENT_NVM_VERSION_LO 0x40 104 105 /* magic for getting defines into strings */ 106 #define STRINGIFY(foo) #foo 107 #define XSTRINGIFY(bar) STRINGIFY(bar) 108 109 #define I40E_RX_DESC(R, i) \ 110 ((ring_is_16byte_desc_enabled(R)) \ 111 ? (union i40e_32byte_rx_desc *) \ 112 (&(((union i40e_16byte_rx_desc *)((R)->desc))[i])) \ 113 : (&(((union i40e_32byte_rx_desc *)((R)->desc))[i]))) 114 #define I40E_TX_DESC(R, i) \ 115 (&(((struct i40e_tx_desc *)((R)->desc))[i])) 116 #define I40E_TX_CTXTDESC(R, i) \ 117 (&(((struct i40e_tx_context_desc *)((R)->desc))[i])) 118 #define I40E_TX_FDIRDESC(R, i) \ 119 (&(((struct i40e_filter_program_desc *)((R)->desc))[i])) 120 121 /* default to trying for four seconds */ 122 #define I40E_TRY_LINK_TIMEOUT (4 * HZ) 123 124 /* driver state flags */ 125 enum i40e_state_t { 126 __I40E_TESTING, 127 __I40E_CONFIG_BUSY, 128 __I40E_CONFIG_DONE, 129 __I40E_DOWN, 130 __I40E_NEEDS_RESTART, 131 __I40E_SERVICE_SCHED, 132 __I40E_ADMINQ_EVENT_PENDING, 133 __I40E_MDD_EVENT_PENDING, 134 __I40E_VFLR_EVENT_PENDING, 135 __I40E_RESET_RECOVERY_PENDING, 136 __I40E_RESET_INTR_RECEIVED, 137 __I40E_REINIT_REQUESTED, 138 __I40E_PF_RESET_REQUESTED, 139 __I40E_CORE_RESET_REQUESTED, 140 __I40E_GLOBAL_RESET_REQUESTED, 141 __I40E_EMP_RESET_REQUESTED, 142 __I40E_FILTER_OVERFLOW_PROMISC, 143 __I40E_SUSPENDED, 144 __I40E_PTP_TX_IN_PROGRESS, 145 __I40E_BAD_EEPROM, 146 __I40E_DOWN_REQUESTED, 147 __I40E_FD_FLUSH_REQUESTED, 148 __I40E_RESET_FAILED, 149 }; 150 151 enum i40e_interrupt_policy { 152 I40E_INTERRUPT_BEST_CASE, 153 I40E_INTERRUPT_MEDIUM, 154 I40E_INTERRUPT_LOWEST 155 }; 156 157 struct i40e_lump_tracking { 158 u16 num_entries; 159 u16 search_hint; 160 u16 list[0]; 161 #define I40E_PILE_VALID_BIT 0x8000 162 }; 163 164 #define I40E_DEFAULT_ATR_SAMPLE_RATE 20 165 #define I40E_FDIR_MAX_RAW_PACKET_SIZE 512 166 #define I40E_FDIR_BUFFER_FULL_MARGIN 10 167 #define I40E_FDIR_BUFFER_HEAD_ROOM 32 168 169 enum i40e_fd_stat_idx { 170 I40E_FD_STAT_ATR, 171 I40E_FD_STAT_SB, 172 I40E_FD_STAT_PF_COUNT 173 }; 174 #define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT) 175 #define I40E_FD_ATR_STAT_IDX(pf_id) \ 176 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR) 177 #define I40E_FD_SB_STAT_IDX(pf_id) \ 178 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB) 179 180 struct i40e_fdir_filter { 181 struct hlist_node fdir_node; 182 /* filter ipnut set */ 183 u8 flow_type; 184 u8 ip4_proto; 185 /* TX packet view of src and dst */ 186 __be32 dst_ip[4]; 187 __be32 src_ip[4]; 188 __be16 src_port; 189 __be16 dst_port; 190 __be32 sctp_v_tag; 191 /* filter control */ 192 u16 q_index; 193 u8 flex_off; 194 u8 pctype; 195 u16 dest_vsi; 196 u8 dest_ctl; 197 u8 fd_status; 198 u16 cnt_index; 199 u32 fd_id; 200 }; 201 202 #define I40E_ETH_P_LLDP 0x88cc 203 204 #define I40E_DCB_PRIO_TYPE_STRICT 0 205 #define I40E_DCB_PRIO_TYPE_ETS 1 206 #define I40E_DCB_STRICT_PRIO_CREDITS 127 207 #define I40E_MAX_USER_PRIORITY 8 208 /* DCB per TC information data structure */ 209 struct i40e_tc_info { 210 u16 qoffset; /* Queue offset from base queue */ 211 u16 qcount; /* Total Queues */ 212 u8 netdev_tc; /* Netdev TC index if netdev associated */ 213 }; 214 215 /* TC configuration data structure */ 216 struct i40e_tc_configuration { 217 u8 numtc; /* Total number of enabled TCs */ 218 u8 enabled_tc; /* TC map */ 219 struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS]; 220 }; 221 222 /* struct that defines the Ethernet device */ 223 struct i40e_pf { 224 struct pci_dev *pdev; 225 struct i40e_hw hw; 226 unsigned long state; 227 unsigned long link_check_timeout; 228 struct msix_entry *msix_entries; 229 bool fc_autoneg_status; 230 231 u16 eeprom_version; 232 u16 num_vmdq_vsis; /* num vmdq vsis this pf has set up */ 233 u16 num_vmdq_qps; /* num queue pairs per vmdq pool */ 234 u16 num_vmdq_msix; /* num queue vectors per vmdq pool */ 235 u16 num_req_vfs; /* num vfs requested for this vf */ 236 u16 num_vf_qps; /* num queue pairs per vf */ 237 #ifdef I40E_FCOE 238 u16 num_fcoe_qps; /* num fcoe queues this pf has set up */ 239 u16 num_fcoe_msix; /* num queue vectors per fcoe pool */ 240 #endif /* I40E_FCOE */ 241 u16 num_lan_qps; /* num lan queues this pf has set up */ 242 u16 num_lan_msix; /* num queue vectors for the base pf vsi */ 243 int queues_left; /* queues left unclaimed */ 244 u16 rss_size; /* num queues in the RSS array */ 245 u16 rss_size_max; /* HW defined max RSS queues */ 246 u16 fdir_pf_filter_count; /* num of guaranteed filters for this PF */ 247 u16 num_alloc_vsi; /* num VSIs this driver supports */ 248 u8 atr_sample_rate; 249 bool wol_en; 250 251 struct hlist_head fdir_filter_list; 252 u16 fdir_pf_active_filters; 253 u16 fd_sb_cnt_idx; 254 u16 fd_atr_cnt_idx; 255 unsigned long fd_flush_timestamp; 256 u32 fd_flush_cnt; 257 u32 fd_add_err; 258 u32 fd_atr_cnt; 259 u32 fd_tcp_rule; 260 261 #ifdef CONFIG_I40E_VXLAN 262 __be16 vxlan_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS]; 263 u16 pending_vxlan_bitmap; 264 265 #endif 266 enum i40e_interrupt_policy int_policy; 267 u16 rx_itr_default; 268 u16 tx_itr_default; 269 u16 msg_enable; 270 char misc_int_name[IFNAMSIZ + 9]; 271 u16 adminq_work_limit; /* num of admin receive queue desc to process */ 272 int service_timer_period; 273 struct timer_list service_timer; 274 struct work_struct service_task; 275 276 u64 flags; 277 #define I40E_FLAG_RX_CSUM_ENABLED (u64)(1 << 1) 278 #define I40E_FLAG_MSI_ENABLED (u64)(1 << 2) 279 #define I40E_FLAG_MSIX_ENABLED (u64)(1 << 3) 280 #define I40E_FLAG_RX_1BUF_ENABLED (u64)(1 << 4) 281 #define I40E_FLAG_RX_PS_ENABLED (u64)(1 << 5) 282 #define I40E_FLAG_RSS_ENABLED (u64)(1 << 6) 283 #define I40E_FLAG_VMDQ_ENABLED (u64)(1 << 7) 284 #define I40E_FLAG_FDIR_REQUIRES_REINIT (u64)(1 << 8) 285 #define I40E_FLAG_NEED_LINK_UPDATE (u64)(1 << 9) 286 #ifdef I40E_FCOE 287 #define I40E_FLAG_FCOE_ENABLED (u64)(1 << 11) 288 #endif /* I40E_FCOE */ 289 #define I40E_FLAG_IN_NETPOLL (u64)(1 << 12) 290 #define I40E_FLAG_16BYTE_RX_DESC_ENABLED (u64)(1 << 13) 291 #define I40E_FLAG_CLEAN_ADMINQ (u64)(1 << 14) 292 #define I40E_FLAG_FILTER_SYNC (u64)(1 << 15) 293 #define I40E_FLAG_PROCESS_MDD_EVENT (u64)(1 << 17) 294 #define I40E_FLAG_PROCESS_VFLR_EVENT (u64)(1 << 18) 295 #define I40E_FLAG_SRIOV_ENABLED (u64)(1 << 19) 296 #define I40E_FLAG_DCB_ENABLED (u64)(1 << 20) 297 #define I40E_FLAG_FD_SB_ENABLED (u64)(1 << 21) 298 #define I40E_FLAG_FD_ATR_ENABLED (u64)(1 << 22) 299 #define I40E_FLAG_PTP (u64)(1 << 25) 300 #define I40E_FLAG_MFP_ENABLED (u64)(1 << 26) 301 #ifdef CONFIG_I40E_VXLAN 302 #define I40E_FLAG_VXLAN_FILTER_SYNC (u64)(1 << 27) 303 #endif 304 #define I40E_FLAG_PORT_ID_VALID (u64)(1 << 28) 305 #define I40E_FLAG_DCB_CAPABLE (u64)(1 << 29) 306 307 /* tracks features that get auto disabled by errors */ 308 u64 auto_disable_flags; 309 310 #ifdef I40E_FCOE 311 struct i40e_fcoe fcoe; 312 313 #endif /* I40E_FCOE */ 314 bool stat_offsets_loaded; 315 struct i40e_hw_port_stats stats; 316 struct i40e_hw_port_stats stats_offsets; 317 u32 tx_timeout_count; 318 u32 tx_timeout_recovery_level; 319 unsigned long tx_timeout_last_recovery; 320 u32 tx_sluggish_count; 321 u32 hw_csum_rx_error; 322 u32 led_status; 323 u16 corer_count; /* Core reset count */ 324 u16 globr_count; /* Global reset count */ 325 u16 empr_count; /* EMP reset count */ 326 u16 pfr_count; /* PF reset count */ 327 u16 sw_int_count; /* SW interrupt count */ 328 329 struct mutex switch_mutex; 330 u16 lan_vsi; /* our default LAN VSI */ 331 u16 lan_veb; /* initial relay, if exists */ 332 #define I40E_NO_VEB 0xffff 333 #define I40E_NO_VSI 0xffff 334 u16 next_vsi; /* Next unallocated VSI - 0-based! */ 335 struct i40e_vsi **vsi; 336 struct i40e_veb *veb[I40E_MAX_VEB]; 337 338 struct i40e_lump_tracking *qp_pile; 339 struct i40e_lump_tracking *irq_pile; 340 341 /* switch config info */ 342 u16 pf_seid; 343 u16 main_vsi_seid; 344 u16 mac_seid; 345 struct kobject *switch_kobj; 346 #ifdef CONFIG_DEBUG_FS 347 struct dentry *i40e_dbg_pf; 348 #endif /* CONFIG_DEBUG_FS */ 349 350 u16 instance; /* A unique number per i40e_pf instance in the system */ 351 352 /* sr-iov config info */ 353 struct i40e_vf *vf; 354 int num_alloc_vfs; /* actual number of VFs allocated */ 355 u32 vf_aq_requests; 356 357 /* DCBx/DCBNL capability for PF that indicates 358 * whether DCBx is managed by firmware or host 359 * based agent (LLDPAD). Also, indicates what 360 * flavor of DCBx protocol (IEEE/CEE) is supported 361 * by the device. For now we're supporting IEEE 362 * mode only. 363 */ 364 u16 dcbx_cap; 365 366 u32 fcoe_hmc_filt_num; 367 u32 fcoe_hmc_cntx_num; 368 struct i40e_filter_control_settings filter_settings; 369 370 struct ptp_clock *ptp_clock; 371 struct ptp_clock_info ptp_caps; 372 struct sk_buff *ptp_tx_skb; 373 struct hwtstamp_config tstamp_config; 374 unsigned long last_rx_ptp_check; 375 spinlock_t tmreg_lock; /* Used to protect the device time registers. */ 376 u64 ptp_base_adj; 377 u32 tx_hwtstamp_timeouts; 378 u32 rx_hwtstamp_cleared; 379 bool ptp_tx; 380 bool ptp_rx; 381 u16 rss_table_size; 382 }; 383 384 struct i40e_mac_filter { 385 struct list_head list; 386 u8 macaddr[ETH_ALEN]; 387 #define I40E_VLAN_ANY -1 388 s16 vlan; 389 u8 counter; /* number of instances of this filter */ 390 bool is_vf; /* filter belongs to a VF */ 391 bool is_netdev; /* filter belongs to a netdev */ 392 bool changed; /* filter needs to be sync'd to the HW */ 393 bool is_laa; /* filter is a Locally Administered Address */ 394 }; 395 396 struct i40e_veb { 397 struct i40e_pf *pf; 398 u16 idx; 399 u16 veb_idx; /* index of VEB parent */ 400 u16 seid; 401 u16 uplink_seid; 402 u16 stats_idx; /* index of VEB parent */ 403 u8 enabled_tc; 404 u16 flags; 405 u16 bw_limit; 406 u8 bw_max_quanta; 407 bool is_abs_credits; 408 u8 bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS]; 409 u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS]; 410 u8 bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS]; 411 struct kobject *kobj; 412 bool stat_offsets_loaded; 413 struct i40e_eth_stats stats; 414 struct i40e_eth_stats stats_offsets; 415 }; 416 417 /* struct that defines a VSI, associated with a dev */ 418 struct i40e_vsi { 419 struct net_device *netdev; 420 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 421 bool netdev_registered; 422 bool stat_offsets_loaded; 423 424 u32 current_netdev_flags; 425 unsigned long state; 426 #define I40E_VSI_FLAG_FILTER_CHANGED (1<<0) 427 #define I40E_VSI_FLAG_VEB_OWNER (1<<1) 428 unsigned long flags; 429 430 struct list_head mac_filter_list; 431 432 /* VSI stats */ 433 struct rtnl_link_stats64 net_stats; 434 struct rtnl_link_stats64 net_stats_offsets; 435 struct i40e_eth_stats eth_stats; 436 struct i40e_eth_stats eth_stats_offsets; 437 #ifdef I40E_FCOE 438 struct i40e_fcoe_stats fcoe_stats; 439 struct i40e_fcoe_stats fcoe_stats_offsets; 440 bool fcoe_stat_offsets_loaded; 441 #endif 442 u32 tx_restart; 443 u32 tx_busy; 444 u32 rx_buf_failed; 445 u32 rx_page_failed; 446 447 /* These are containers of ring pointers, allocated at run-time */ 448 struct i40e_ring **rx_rings; 449 struct i40e_ring **tx_rings; 450 451 u16 work_limit; 452 /* high bit set means dynamic, use accessor routines to read/write. 453 * hardware only supports 2us resolution for the ITR registers. 454 * these values always store the USER setting, and must be converted 455 * before programming to a register. 456 */ 457 u16 rx_itr_setting; 458 u16 tx_itr_setting; 459 460 u16 max_frame; 461 u16 rx_hdr_len; 462 u16 rx_buf_len; 463 u8 dtype; 464 465 /* List of q_vectors allocated to this VSI */ 466 struct i40e_q_vector **q_vectors; 467 int num_q_vectors; 468 int base_vector; 469 bool irqs_ready; 470 471 u16 seid; /* HW index of this VSI (absolute index) */ 472 u16 id; /* VSI number */ 473 u16 uplink_seid; 474 475 u16 base_queue; /* vsi's first queue in hw array */ 476 u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */ 477 u16 num_queue_pairs; /* Used tx and rx pairs */ 478 u16 num_desc; 479 enum i40e_vsi_type type; /* VSI type, e.g., LAN, FCoE, etc */ 480 u16 vf_id; /* Virtual function ID for SRIOV VSIs */ 481 482 struct i40e_tc_configuration tc_config; 483 struct i40e_aqc_vsi_properties_data info; 484 485 /* VSI BW limit (absolute across all TCs) */ 486 u16 bw_limit; /* VSI BW Limit (0 = disabled) */ 487 u8 bw_max_quanta; /* Max Quanta when BW limit is enabled */ 488 489 /* Relative TC credits across VSIs */ 490 u8 bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS]; 491 /* TC BW limit credits within VSI */ 492 u16 bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS]; 493 /* TC BW limit max quanta within VSI */ 494 u8 bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS]; 495 496 struct i40e_pf *back; /* Backreference to associated PF */ 497 u16 idx; /* index in pf->vsi[] */ 498 u16 veb_idx; /* index of VEB parent */ 499 struct kobject *kobj; /* sysfs object */ 500 501 /* VSI specific handlers */ 502 irqreturn_t (*irq_handler)(int irq, void *data); 503 } ____cacheline_internodealigned_in_smp; 504 505 struct i40e_netdev_priv { 506 struct i40e_vsi *vsi; 507 }; 508 509 /* struct that defines an interrupt vector */ 510 struct i40e_q_vector { 511 struct i40e_vsi *vsi; 512 513 u16 v_idx; /* index in the vsi->q_vector array. */ 514 u16 reg_idx; /* register index of the interrupt */ 515 516 struct napi_struct napi; 517 518 struct i40e_ring_container rx; 519 struct i40e_ring_container tx; 520 521 u8 num_ringpairs; /* total number of ring pairs in vector */ 522 523 cpumask_t affinity_mask; 524 struct rcu_head rcu; /* to avoid race with update stats on free */ 525 char name[IFNAMSIZ + 9]; 526 } ____cacheline_internodealigned_in_smp; 527 528 /* lan device */ 529 struct i40e_device { 530 struct list_head list; 531 struct i40e_pf *pf; 532 }; 533 534 /** 535 * i40e_fw_version_str - format the FW and NVM version strings 536 * @hw: ptr to the hardware info 537 **/ 538 static inline char *i40e_fw_version_str(struct i40e_hw *hw) 539 { 540 static char buf[32]; 541 542 snprintf(buf, sizeof(buf), 543 "f%d.%d a%d.%d n%02x.%02x e%08x", 544 hw->aq.fw_maj_ver, hw->aq.fw_min_ver, 545 hw->aq.api_maj_ver, hw->aq.api_min_ver, 546 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >> 547 I40E_NVM_VERSION_HI_SHIFT, 548 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >> 549 I40E_NVM_VERSION_LO_SHIFT, 550 hw->nvm.eetrack); 551 552 return buf; 553 } 554 555 /** 556 * i40e_netdev_to_pf: Retrieve the PF struct for given netdev 557 * @netdev: the corresponding netdev 558 * 559 * Return the PF struct for the given netdev 560 **/ 561 static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev) 562 { 563 struct i40e_netdev_priv *np = netdev_priv(netdev); 564 struct i40e_vsi *vsi = np->vsi; 565 566 return vsi->back; 567 } 568 569 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi, 570 irqreturn_t (*irq_handler)(int, void *)) 571 { 572 vsi->irq_handler = irq_handler; 573 } 574 575 /** 576 * i40e_rx_is_programming_status - check for programming status descriptor 577 * @qw: the first quad word of the program status descriptor 578 * 579 * The value of in the descriptor length field indicate if this 580 * is a programming status descriptor for flow director or FCoE 581 * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise 582 * it is a packet descriptor. 583 **/ 584 static inline bool i40e_rx_is_programming_status(u64 qw) 585 { 586 return I40E_RX_PROG_STATUS_DESC_LENGTH == 587 (qw >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT); 588 } 589 590 /** 591 * i40e_get_fd_cnt_all - get the total FD filter space available 592 * @pf: pointer to the pf struct 593 **/ 594 static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf) 595 { 596 return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count; 597 } 598 599 /* needed by i40e_ethtool.c */ 600 int i40e_up(struct i40e_vsi *vsi); 601 void i40e_down(struct i40e_vsi *vsi); 602 extern const char i40e_driver_name[]; 603 extern const char i40e_driver_version_str[]; 604 void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags); 605 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags); 606 void i40e_update_stats(struct i40e_vsi *vsi); 607 void i40e_update_eth_stats(struct i40e_vsi *vsi); 608 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi); 609 int i40e_fetch_switch_configuration(struct i40e_pf *pf, 610 bool printconfig); 611 612 int i40e_program_fdir_filter(struct i40e_fdir_filter *fdir_data, u8 *raw_packet, 613 struct i40e_pf *pf, bool add); 614 int i40e_add_del_fdir(struct i40e_vsi *vsi, 615 struct i40e_fdir_filter *input, bool add); 616 void i40e_fdir_check_and_reenable(struct i40e_pf *pf); 617 int i40e_get_current_fd_count(struct i40e_pf *pf); 618 int i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf); 619 int i40e_get_current_atr_cnt(struct i40e_pf *pf); 620 bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features); 621 void i40e_set_ethtool_ops(struct net_device *netdev); 622 struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi, 623 u8 *macaddr, s16 vlan, 624 bool is_vf, bool is_netdev); 625 void i40e_del_filter(struct i40e_vsi *vsi, u8 *macaddr, s16 vlan, 626 bool is_vf, bool is_netdev); 627 int i40e_sync_vsi_filters(struct i40e_vsi *vsi); 628 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type, 629 u16 uplink, u32 param1); 630 int i40e_vsi_release(struct i40e_vsi *vsi); 631 struct i40e_vsi *i40e_vsi_lookup(struct i40e_pf *pf, enum i40e_vsi_type type, 632 struct i40e_vsi *start_vsi); 633 #ifdef I40E_FCOE 634 void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi, 635 struct i40e_vsi_context *ctxt, 636 u8 enabled_tc, bool is_add); 637 #endif 638 int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool enable); 639 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count); 640 struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid, 641 u16 downlink_seid, u8 enabled_tc); 642 void i40e_veb_release(struct i40e_veb *veb); 643 644 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc); 645 i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid); 646 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi); 647 void i40e_vsi_reset_stats(struct i40e_vsi *vsi); 648 void i40e_pf_reset_stats(struct i40e_pf *pf); 649 #ifdef CONFIG_DEBUG_FS 650 void i40e_dbg_pf_init(struct i40e_pf *pf); 651 void i40e_dbg_pf_exit(struct i40e_pf *pf); 652 void i40e_dbg_init(void); 653 void i40e_dbg_exit(void); 654 #else 655 static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {} 656 static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {} 657 static inline void i40e_dbg_init(void) {} 658 static inline void i40e_dbg_exit(void) {} 659 #endif /* CONFIG_DEBUG_FS*/ 660 void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector); 661 void i40e_irq_dynamic_disable(struct i40e_vsi *vsi, int vector); 662 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf); 663 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf); 664 #ifdef I40E_FCOE 665 struct rtnl_link_stats64 *i40e_get_netdev_stats_struct( 666 struct net_device *netdev, 667 struct rtnl_link_stats64 *storage); 668 int i40e_set_mac(struct net_device *netdev, void *p); 669 void i40e_set_rx_mode(struct net_device *netdev); 670 #endif 671 int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd); 672 #ifdef I40E_FCOE 673 void i40e_tx_timeout(struct net_device *netdev); 674 int i40e_vlan_rx_add_vid(struct net_device *netdev, 675 __always_unused __be16 proto, u16 vid); 676 int i40e_vlan_rx_kill_vid(struct net_device *netdev, 677 __always_unused __be16 proto, u16 vid); 678 #endif 679 int i40e_vsi_open(struct i40e_vsi *vsi); 680 void i40e_vlan_stripping_disable(struct i40e_vsi *vsi); 681 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid); 682 int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid); 683 struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, u8 *macaddr, 684 bool is_vf, bool is_netdev); 685 bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi); 686 struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, u8 *macaddr, 687 bool is_vf, bool is_netdev); 688 #ifdef I40E_FCOE 689 int i40e_open(struct net_device *netdev); 690 int i40e_close(struct net_device *netdev); 691 int i40e_setup_tc(struct net_device *netdev, u8 tc); 692 void i40e_netpoll(struct net_device *netdev); 693 int i40e_fcoe_enable(struct net_device *netdev); 694 int i40e_fcoe_disable(struct net_device *netdev); 695 int i40e_fcoe_vsi_init(struct i40e_vsi *vsi, struct i40e_vsi_context *ctxt); 696 u8 i40e_get_fcoe_tc_map(struct i40e_pf *pf); 697 void i40e_fcoe_config_netdev(struct net_device *netdev, struct i40e_vsi *vsi); 698 void i40e_fcoe_vsi_setup(struct i40e_pf *pf); 699 int i40e_init_pf_fcoe(struct i40e_pf *pf); 700 int i40e_fcoe_setup_ddp_resources(struct i40e_vsi *vsi); 701 void i40e_fcoe_free_ddp_resources(struct i40e_vsi *vsi); 702 int i40e_fcoe_handle_offload(struct i40e_ring *rx_ring, 703 union i40e_rx_desc *rx_desc, 704 struct sk_buff *skb); 705 void i40e_fcoe_handle_status(struct i40e_ring *rx_ring, 706 union i40e_rx_desc *rx_desc, u8 prog_id); 707 #endif /* I40E_FCOE */ 708 void i40e_vlan_stripping_enable(struct i40e_vsi *vsi); 709 #ifdef CONFIG_I40E_DCB 710 void i40e_dcbnl_flush_apps(struct i40e_pf *pf, 711 struct i40e_dcbx_config *new_cfg); 712 void i40e_dcbnl_set_all(struct i40e_vsi *vsi); 713 void i40e_dcbnl_setup(struct i40e_vsi *vsi); 714 bool i40e_dcb_need_reconfig(struct i40e_pf *pf, 715 struct i40e_dcbx_config *old_cfg, 716 struct i40e_dcbx_config *new_cfg); 717 #endif /* CONFIG_I40E_DCB */ 718 void i40e_ptp_rx_hang(struct i40e_vsi *vsi); 719 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf); 720 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index); 721 void i40e_ptp_set_increment(struct i40e_pf *pf); 722 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr); 723 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr); 724 void i40e_ptp_init(struct i40e_pf *pf); 725 void i40e_ptp_stop(struct i40e_pf *pf); 726 #endif /* _I40E_H_ */ 727