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 128 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 __I40E_PORT_TX_SUSPENDED, 150 }; 151 152 enum i40e_interrupt_policy { 153 I40E_INTERRUPT_BEST_CASE, 154 I40E_INTERRUPT_MEDIUM, 155 I40E_INTERRUPT_LOWEST 156 }; 157 158 struct i40e_lump_tracking { 159 u16 num_entries; 160 u16 search_hint; 161 u16 list[0]; 162 #define I40E_PILE_VALID_BIT 0x8000 163 }; 164 165 #define I40E_DEFAULT_ATR_SAMPLE_RATE 20 166 #define I40E_FDIR_MAX_RAW_PACKET_SIZE 512 167 #define I40E_FDIR_BUFFER_FULL_MARGIN 10 168 #define I40E_FDIR_BUFFER_HEAD_ROOM 32 169 170 enum i40e_fd_stat_idx { 171 I40E_FD_STAT_ATR, 172 I40E_FD_STAT_SB, 173 I40E_FD_STAT_PF_COUNT 174 }; 175 #define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT) 176 #define I40E_FD_ATR_STAT_IDX(pf_id) \ 177 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR) 178 #define I40E_FD_SB_STAT_IDX(pf_id) \ 179 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB) 180 181 struct i40e_fdir_filter { 182 struct hlist_node fdir_node; 183 /* filter ipnut set */ 184 u8 flow_type; 185 u8 ip4_proto; 186 /* TX packet view of src and dst */ 187 __be32 dst_ip[4]; 188 __be32 src_ip[4]; 189 __be16 src_port; 190 __be16 dst_port; 191 __be32 sctp_v_tag; 192 /* filter control */ 193 u16 q_index; 194 u8 flex_off; 195 u8 pctype; 196 u16 dest_vsi; 197 u8 dest_ctl; 198 u8 fd_status; 199 u16 cnt_index; 200 u32 fd_id; 201 }; 202 203 #define I40E_ETH_P_LLDP 0x88cc 204 205 #define I40E_DCB_PRIO_TYPE_STRICT 0 206 #define I40E_DCB_PRIO_TYPE_ETS 1 207 #define I40E_DCB_STRICT_PRIO_CREDITS 127 208 #define I40E_MAX_USER_PRIORITY 8 209 /* DCB per TC information data structure */ 210 struct i40e_tc_info { 211 u16 qoffset; /* Queue offset from base queue */ 212 u16 qcount; /* Total Queues */ 213 u8 netdev_tc; /* Netdev TC index if netdev associated */ 214 }; 215 216 /* TC configuration data structure */ 217 struct i40e_tc_configuration { 218 u8 numtc; /* Total number of enabled TCs */ 219 u8 enabled_tc; /* TC map */ 220 struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS]; 221 }; 222 223 /* struct that defines the Ethernet device */ 224 struct i40e_pf { 225 struct pci_dev *pdev; 226 struct i40e_hw hw; 227 unsigned long state; 228 unsigned long link_check_timeout; 229 struct msix_entry *msix_entries; 230 bool fc_autoneg_status; 231 232 u16 eeprom_version; 233 u16 num_vmdq_vsis; /* num vmdq vsis this pf has set up */ 234 u16 num_vmdq_qps; /* num queue pairs per vmdq pool */ 235 u16 num_vmdq_msix; /* num queue vectors per vmdq pool */ 236 u16 num_req_vfs; /* num vfs requested for this vf */ 237 u16 num_vf_qps; /* num queue pairs per vf */ 238 #ifdef I40E_FCOE 239 u16 num_fcoe_qps; /* num fcoe queues this pf has set up */ 240 u16 num_fcoe_msix; /* num queue vectors per fcoe pool */ 241 #endif /* I40E_FCOE */ 242 u16 num_lan_qps; /* num lan queues this pf has set up */ 243 u16 num_lan_msix; /* num queue vectors for the base pf vsi */ 244 int queues_left; /* queues left unclaimed */ 245 u16 rss_size; /* num queues in the RSS array */ 246 u16 rss_size_max; /* HW defined max RSS queues */ 247 u16 fdir_pf_filter_count; /* num of guaranteed filters for this PF */ 248 u16 num_alloc_vsi; /* num VSIs this driver supports */ 249 u8 atr_sample_rate; 250 bool wol_en; 251 252 struct hlist_head fdir_filter_list; 253 u16 fdir_pf_active_filters; 254 u16 fd_sb_cnt_idx; 255 u16 fd_atr_cnt_idx; 256 unsigned long fd_flush_timestamp; 257 u32 fd_flush_cnt; 258 u32 fd_add_err; 259 u32 fd_atr_cnt; 260 u32 fd_tcp_rule; 261 262 #ifdef CONFIG_I40E_VXLAN 263 __be16 vxlan_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS]; 264 u16 pending_vxlan_bitmap; 265 266 #endif 267 enum i40e_interrupt_policy int_policy; 268 u16 rx_itr_default; 269 u16 tx_itr_default; 270 u16 msg_enable; 271 char misc_int_name[IFNAMSIZ + 9]; 272 u16 adminq_work_limit; /* num of admin receive queue desc to process */ 273 unsigned long service_timer_period; 274 unsigned long service_timer_previous; 275 struct timer_list service_timer; 276 struct work_struct service_task; 277 278 u64 flags; 279 #define I40E_FLAG_RX_CSUM_ENABLED (u64)(1 << 1) 280 #define I40E_FLAG_MSI_ENABLED (u64)(1 << 2) 281 #define I40E_FLAG_MSIX_ENABLED (u64)(1 << 3) 282 #define I40E_FLAG_RX_1BUF_ENABLED (u64)(1 << 4) 283 #define I40E_FLAG_RX_PS_ENABLED (u64)(1 << 5) 284 #define I40E_FLAG_RSS_ENABLED (u64)(1 << 6) 285 #define I40E_FLAG_VMDQ_ENABLED (u64)(1 << 7) 286 #define I40E_FLAG_FDIR_REQUIRES_REINIT (u64)(1 << 8) 287 #define I40E_FLAG_NEED_LINK_UPDATE (u64)(1 << 9) 288 #ifdef I40E_FCOE 289 #define I40E_FLAG_FCOE_ENABLED (u64)(1 << 11) 290 #endif /* I40E_FCOE */ 291 #define I40E_FLAG_IN_NETPOLL (u64)(1 << 12) 292 #define I40E_FLAG_16BYTE_RX_DESC_ENABLED (u64)(1 << 13) 293 #define I40E_FLAG_CLEAN_ADMINQ (u64)(1 << 14) 294 #define I40E_FLAG_FILTER_SYNC (u64)(1 << 15) 295 #define I40E_FLAG_PROCESS_MDD_EVENT (u64)(1 << 17) 296 #define I40E_FLAG_PROCESS_VFLR_EVENT (u64)(1 << 18) 297 #define I40E_FLAG_SRIOV_ENABLED (u64)(1 << 19) 298 #define I40E_FLAG_DCB_ENABLED (u64)(1 << 20) 299 #define I40E_FLAG_FD_SB_ENABLED (u64)(1 << 21) 300 #define I40E_FLAG_FD_ATR_ENABLED (u64)(1 << 22) 301 #define I40E_FLAG_PTP (u64)(1 << 25) 302 #define I40E_FLAG_MFP_ENABLED (u64)(1 << 26) 303 #ifdef CONFIG_I40E_VXLAN 304 #define I40E_FLAG_VXLAN_FILTER_SYNC (u64)(1 << 27) 305 #endif 306 #define I40E_FLAG_PORT_ID_VALID (u64)(1 << 28) 307 #define I40E_FLAG_DCB_CAPABLE (u64)(1 << 29) 308 309 /* tracks features that get auto disabled by errors */ 310 u64 auto_disable_flags; 311 312 #ifdef I40E_FCOE 313 struct i40e_fcoe fcoe; 314 315 #endif /* I40E_FCOE */ 316 bool stat_offsets_loaded; 317 struct i40e_hw_port_stats stats; 318 struct i40e_hw_port_stats stats_offsets; 319 u32 tx_timeout_count; 320 u32 tx_timeout_recovery_level; 321 unsigned long tx_timeout_last_recovery; 322 u32 tx_sluggish_count; 323 u32 hw_csum_rx_error; 324 u32 led_status; 325 u16 corer_count; /* Core reset count */ 326 u16 globr_count; /* Global reset count */ 327 u16 empr_count; /* EMP reset count */ 328 u16 pfr_count; /* PF reset count */ 329 u16 sw_int_count; /* SW interrupt count */ 330 331 struct mutex switch_mutex; 332 u16 lan_vsi; /* our default LAN VSI */ 333 u16 lan_veb; /* initial relay, if exists */ 334 #define I40E_NO_VEB 0xffff 335 #define I40E_NO_VSI 0xffff 336 u16 next_vsi; /* Next unallocated VSI - 0-based! */ 337 struct i40e_vsi **vsi; 338 struct i40e_veb *veb[I40E_MAX_VEB]; 339 340 struct i40e_lump_tracking *qp_pile; 341 struct i40e_lump_tracking *irq_pile; 342 343 /* switch config info */ 344 u16 pf_seid; 345 u16 main_vsi_seid; 346 u16 mac_seid; 347 struct kobject *switch_kobj; 348 #ifdef CONFIG_DEBUG_FS 349 struct dentry *i40e_dbg_pf; 350 #endif /* CONFIG_DEBUG_FS */ 351 352 u16 instance; /* A unique number per i40e_pf instance in the system */ 353 354 /* sr-iov config info */ 355 struct i40e_vf *vf; 356 int num_alloc_vfs; /* actual number of VFs allocated */ 357 u32 vf_aq_requests; 358 359 /* DCBx/DCBNL capability for PF that indicates 360 * whether DCBx is managed by firmware or host 361 * based agent (LLDPAD). Also, indicates what 362 * flavor of DCBx protocol (IEEE/CEE) is supported 363 * by the device. For now we're supporting IEEE 364 * mode only. 365 */ 366 u16 dcbx_cap; 367 368 u32 fcoe_hmc_filt_num; 369 u32 fcoe_hmc_cntx_num; 370 struct i40e_filter_control_settings filter_settings; 371 372 struct ptp_clock *ptp_clock; 373 struct ptp_clock_info ptp_caps; 374 struct sk_buff *ptp_tx_skb; 375 struct hwtstamp_config tstamp_config; 376 unsigned long last_rx_ptp_check; 377 spinlock_t tmreg_lock; /* Used to protect the device time registers. */ 378 u64 ptp_base_adj; 379 u32 tx_hwtstamp_timeouts; 380 u32 rx_hwtstamp_cleared; 381 bool ptp_tx; 382 bool ptp_rx; 383 u16 rss_table_size; 384 }; 385 386 struct i40e_mac_filter { 387 struct list_head list; 388 u8 macaddr[ETH_ALEN]; 389 #define I40E_VLAN_ANY -1 390 s16 vlan; 391 u8 counter; /* number of instances of this filter */ 392 bool is_vf; /* filter belongs to a VF */ 393 bool is_netdev; /* filter belongs to a netdev */ 394 bool changed; /* filter needs to be sync'd to the HW */ 395 bool is_laa; /* filter is a Locally Administered Address */ 396 }; 397 398 struct i40e_veb { 399 struct i40e_pf *pf; 400 u16 idx; 401 u16 veb_idx; /* index of VEB parent */ 402 u16 seid; 403 u16 uplink_seid; 404 u16 stats_idx; /* index of VEB parent */ 405 u8 enabled_tc; 406 u16 flags; 407 u16 bw_limit; 408 u8 bw_max_quanta; 409 bool is_abs_credits; 410 u8 bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS]; 411 u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS]; 412 u8 bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS]; 413 struct kobject *kobj; 414 bool stat_offsets_loaded; 415 struct i40e_eth_stats stats; 416 struct i40e_eth_stats stats_offsets; 417 }; 418 419 /* struct that defines a VSI, associated with a dev */ 420 struct i40e_vsi { 421 struct net_device *netdev; 422 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 423 bool netdev_registered; 424 bool stat_offsets_loaded; 425 426 u32 current_netdev_flags; 427 unsigned long state; 428 #define I40E_VSI_FLAG_FILTER_CHANGED (1<<0) 429 #define I40E_VSI_FLAG_VEB_OWNER (1<<1) 430 unsigned long flags; 431 432 struct list_head mac_filter_list; 433 434 /* VSI stats */ 435 struct rtnl_link_stats64 net_stats; 436 struct rtnl_link_stats64 net_stats_offsets; 437 struct i40e_eth_stats eth_stats; 438 struct i40e_eth_stats eth_stats_offsets; 439 #ifdef I40E_FCOE 440 struct i40e_fcoe_stats fcoe_stats; 441 struct i40e_fcoe_stats fcoe_stats_offsets; 442 bool fcoe_stat_offsets_loaded; 443 #endif 444 u32 tx_restart; 445 u32 tx_busy; 446 u32 rx_buf_failed; 447 u32 rx_page_failed; 448 449 /* These are containers of ring pointers, allocated at run-time */ 450 struct i40e_ring **rx_rings; 451 struct i40e_ring **tx_rings; 452 453 u16 work_limit; 454 /* high bit set means dynamic, use accessor routines to read/write. 455 * hardware only supports 2us resolution for the ITR registers. 456 * these values always store the USER setting, and must be converted 457 * before programming to a register. 458 */ 459 u16 rx_itr_setting; 460 u16 tx_itr_setting; 461 462 u16 max_frame; 463 u16 rx_hdr_len; 464 u16 rx_buf_len; 465 u8 dtype; 466 467 /* List of q_vectors allocated to this VSI */ 468 struct i40e_q_vector **q_vectors; 469 int num_q_vectors; 470 int base_vector; 471 bool irqs_ready; 472 473 u16 seid; /* HW index of this VSI (absolute index) */ 474 u16 id; /* VSI number */ 475 u16 uplink_seid; 476 477 u16 base_queue; /* vsi's first queue in hw array */ 478 u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */ 479 u16 num_queue_pairs; /* Used tx and rx pairs */ 480 u16 num_desc; 481 enum i40e_vsi_type type; /* VSI type, e.g., LAN, FCoE, etc */ 482 u16 vf_id; /* Virtual function ID for SRIOV VSIs */ 483 484 struct i40e_tc_configuration tc_config; 485 struct i40e_aqc_vsi_properties_data info; 486 487 /* VSI BW limit (absolute across all TCs) */ 488 u16 bw_limit; /* VSI BW Limit (0 = disabled) */ 489 u8 bw_max_quanta; /* Max Quanta when BW limit is enabled */ 490 491 /* Relative TC credits across VSIs */ 492 u8 bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS]; 493 /* TC BW limit credits within VSI */ 494 u16 bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS]; 495 /* TC BW limit max quanta within VSI */ 496 u8 bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS]; 497 498 struct i40e_pf *back; /* Backreference to associated PF */ 499 u16 idx; /* index in pf->vsi[] */ 500 u16 veb_idx; /* index of VEB parent */ 501 struct kobject *kobj; /* sysfs object */ 502 503 /* VSI specific handlers */ 504 irqreturn_t (*irq_handler)(int irq, void *data); 505 } ____cacheline_internodealigned_in_smp; 506 507 struct i40e_netdev_priv { 508 struct i40e_vsi *vsi; 509 }; 510 511 /* struct that defines an interrupt vector */ 512 struct i40e_q_vector { 513 struct i40e_vsi *vsi; 514 515 u16 v_idx; /* index in the vsi->q_vector array. */ 516 u16 reg_idx; /* register index of the interrupt */ 517 518 struct napi_struct napi; 519 520 struct i40e_ring_container rx; 521 struct i40e_ring_container tx; 522 523 u8 num_ringpairs; /* total number of ring pairs in vector */ 524 525 cpumask_t affinity_mask; 526 struct rcu_head rcu; /* to avoid race with update stats on free */ 527 char name[IFNAMSIZ + 9]; 528 } ____cacheline_internodealigned_in_smp; 529 530 /* lan device */ 531 struct i40e_device { 532 struct list_head list; 533 struct i40e_pf *pf; 534 }; 535 536 /** 537 * i40e_fw_version_str - format the FW and NVM version strings 538 * @hw: ptr to the hardware info 539 **/ 540 static inline char *i40e_fw_version_str(struct i40e_hw *hw) 541 { 542 static char buf[32]; 543 544 snprintf(buf, sizeof(buf), 545 "f%d.%d a%d.%d n%02x.%02x e%08x", 546 hw->aq.fw_maj_ver, hw->aq.fw_min_ver, 547 hw->aq.api_maj_ver, hw->aq.api_min_ver, 548 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >> 549 I40E_NVM_VERSION_HI_SHIFT, 550 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >> 551 I40E_NVM_VERSION_LO_SHIFT, 552 hw->nvm.eetrack); 553 554 return buf; 555 } 556 557 /** 558 * i40e_netdev_to_pf: Retrieve the PF struct for given netdev 559 * @netdev: the corresponding netdev 560 * 561 * Return the PF struct for the given netdev 562 **/ 563 static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev) 564 { 565 struct i40e_netdev_priv *np = netdev_priv(netdev); 566 struct i40e_vsi *vsi = np->vsi; 567 568 return vsi->back; 569 } 570 571 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi, 572 irqreturn_t (*irq_handler)(int, void *)) 573 { 574 vsi->irq_handler = irq_handler; 575 } 576 577 /** 578 * i40e_rx_is_programming_status - check for programming status descriptor 579 * @qw: the first quad word of the program status descriptor 580 * 581 * The value of in the descriptor length field indicate if this 582 * is a programming status descriptor for flow director or FCoE 583 * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise 584 * it is a packet descriptor. 585 **/ 586 static inline bool i40e_rx_is_programming_status(u64 qw) 587 { 588 return I40E_RX_PROG_STATUS_DESC_LENGTH == 589 (qw >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT); 590 } 591 592 /** 593 * i40e_get_fd_cnt_all - get the total FD filter space available 594 * @pf: pointer to the pf struct 595 **/ 596 static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf) 597 { 598 return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count; 599 } 600 601 /* needed by i40e_ethtool.c */ 602 int i40e_up(struct i40e_vsi *vsi); 603 void i40e_down(struct i40e_vsi *vsi); 604 extern const char i40e_driver_name[]; 605 extern const char i40e_driver_version_str[]; 606 void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags); 607 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags); 608 void i40e_update_stats(struct i40e_vsi *vsi); 609 void i40e_update_eth_stats(struct i40e_vsi *vsi); 610 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi); 611 int i40e_fetch_switch_configuration(struct i40e_pf *pf, 612 bool printconfig); 613 614 int i40e_program_fdir_filter(struct i40e_fdir_filter *fdir_data, u8 *raw_packet, 615 struct i40e_pf *pf, bool add); 616 int i40e_add_del_fdir(struct i40e_vsi *vsi, 617 struct i40e_fdir_filter *input, bool add); 618 void i40e_fdir_check_and_reenable(struct i40e_pf *pf); 619 int i40e_get_current_fd_count(struct i40e_pf *pf); 620 int i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf); 621 int i40e_get_current_atr_cnt(struct i40e_pf *pf); 622 bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features); 623 void i40e_set_ethtool_ops(struct net_device *netdev); 624 struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi, 625 u8 *macaddr, s16 vlan, 626 bool is_vf, bool is_netdev); 627 void i40e_del_filter(struct i40e_vsi *vsi, u8 *macaddr, s16 vlan, 628 bool is_vf, bool is_netdev); 629 int i40e_sync_vsi_filters(struct i40e_vsi *vsi); 630 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type, 631 u16 uplink, u32 param1); 632 int i40e_vsi_release(struct i40e_vsi *vsi); 633 struct i40e_vsi *i40e_vsi_lookup(struct i40e_pf *pf, enum i40e_vsi_type type, 634 struct i40e_vsi *start_vsi); 635 #ifdef I40E_FCOE 636 void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi, 637 struct i40e_vsi_context *ctxt, 638 u8 enabled_tc, bool is_add); 639 #endif 640 int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool enable); 641 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count); 642 struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid, 643 u16 downlink_seid, u8 enabled_tc); 644 void i40e_veb_release(struct i40e_veb *veb); 645 646 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc); 647 i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid); 648 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi); 649 void i40e_vsi_reset_stats(struct i40e_vsi *vsi); 650 void i40e_pf_reset_stats(struct i40e_pf *pf); 651 #ifdef CONFIG_DEBUG_FS 652 void i40e_dbg_pf_init(struct i40e_pf *pf); 653 void i40e_dbg_pf_exit(struct i40e_pf *pf); 654 void i40e_dbg_init(void); 655 void i40e_dbg_exit(void); 656 #else 657 static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {} 658 static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {} 659 static inline void i40e_dbg_init(void) {} 660 static inline void i40e_dbg_exit(void) {} 661 #endif /* CONFIG_DEBUG_FS*/ 662 void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector); 663 void i40e_irq_dynamic_disable(struct i40e_vsi *vsi, int vector); 664 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf); 665 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf); 666 #ifdef I40E_FCOE 667 struct rtnl_link_stats64 *i40e_get_netdev_stats_struct( 668 struct net_device *netdev, 669 struct rtnl_link_stats64 *storage); 670 int i40e_set_mac(struct net_device *netdev, void *p); 671 void i40e_set_rx_mode(struct net_device *netdev); 672 #endif 673 int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd); 674 #ifdef I40E_FCOE 675 void i40e_tx_timeout(struct net_device *netdev); 676 int i40e_vlan_rx_add_vid(struct net_device *netdev, 677 __always_unused __be16 proto, u16 vid); 678 int i40e_vlan_rx_kill_vid(struct net_device *netdev, 679 __always_unused __be16 proto, u16 vid); 680 #endif 681 int i40e_vsi_open(struct i40e_vsi *vsi); 682 void i40e_vlan_stripping_disable(struct i40e_vsi *vsi); 683 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid); 684 int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid); 685 struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, u8 *macaddr, 686 bool is_vf, bool is_netdev); 687 bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi); 688 struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, u8 *macaddr, 689 bool is_vf, bool is_netdev); 690 #ifdef I40E_FCOE 691 int i40e_open(struct net_device *netdev); 692 int i40e_close(struct net_device *netdev); 693 int i40e_setup_tc(struct net_device *netdev, u8 tc); 694 void i40e_netpoll(struct net_device *netdev); 695 int i40e_fcoe_enable(struct net_device *netdev); 696 int i40e_fcoe_disable(struct net_device *netdev); 697 int i40e_fcoe_vsi_init(struct i40e_vsi *vsi, struct i40e_vsi_context *ctxt); 698 u8 i40e_get_fcoe_tc_map(struct i40e_pf *pf); 699 void i40e_fcoe_config_netdev(struct net_device *netdev, struct i40e_vsi *vsi); 700 void i40e_fcoe_vsi_setup(struct i40e_pf *pf); 701 int i40e_init_pf_fcoe(struct i40e_pf *pf); 702 int i40e_fcoe_setup_ddp_resources(struct i40e_vsi *vsi); 703 void i40e_fcoe_free_ddp_resources(struct i40e_vsi *vsi); 704 int i40e_fcoe_handle_offload(struct i40e_ring *rx_ring, 705 union i40e_rx_desc *rx_desc, 706 struct sk_buff *skb); 707 void i40e_fcoe_handle_status(struct i40e_ring *rx_ring, 708 union i40e_rx_desc *rx_desc, u8 prog_id); 709 #endif /* I40E_FCOE */ 710 void i40e_vlan_stripping_enable(struct i40e_vsi *vsi); 711 #ifdef CONFIG_I40E_DCB 712 void i40e_dcbnl_flush_apps(struct i40e_pf *pf, 713 struct i40e_dcbx_config *new_cfg); 714 void i40e_dcbnl_set_all(struct i40e_vsi *vsi); 715 void i40e_dcbnl_setup(struct i40e_vsi *vsi); 716 bool i40e_dcb_need_reconfig(struct i40e_pf *pf, 717 struct i40e_dcbx_config *old_cfg, 718 struct i40e_dcbx_config *new_cfg); 719 #endif /* CONFIG_I40E_DCB */ 720 void i40e_ptp_rx_hang(struct i40e_vsi *vsi); 721 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf); 722 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index); 723 void i40e_ptp_set_increment(struct i40e_pf *pf); 724 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr); 725 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr); 726 void i40e_ptp_init(struct i40e_pf *pf); 727 void i40e_ptp_stop(struct i40e_pf *pf); 728 #endif /* _I40E_H_ */ 729