1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright(c) 2013 - 2018 Intel Corporation. */ 3 4 #ifndef _IAVF_H_ 5 #define _IAVF_H_ 6 7 #include <linux/module.h> 8 #include <linux/pci.h> 9 #include <linux/aer.h> 10 #include <linux/netdevice.h> 11 #include <linux/vmalloc.h> 12 #include <linux/interrupt.h> 13 #include <linux/ethtool.h> 14 #include <linux/if_vlan.h> 15 #include <linux/ip.h> 16 #include <linux/tcp.h> 17 #include <linux/sctp.h> 18 #include <linux/ipv6.h> 19 #include <linux/kernel.h> 20 #include <linux/bitops.h> 21 #include <linux/timer.h> 22 #include <linux/workqueue.h> 23 #include <linux/wait.h> 24 #include <linux/delay.h> 25 #include <linux/gfp.h> 26 #include <linux/skbuff.h> 27 #include <linux/dma-mapping.h> 28 #include <linux/etherdevice.h> 29 #include <linux/socket.h> 30 #include <linux/jiffies.h> 31 #include <net/ip6_checksum.h> 32 #include <net/pkt_cls.h> 33 #include <net/udp.h> 34 #include <net/tc_act/tc_gact.h> 35 #include <net/tc_act/tc_mirred.h> 36 37 #include "iavf_type.h" 38 #include <linux/avf/virtchnl.h> 39 #include "iavf_txrx.h" 40 #include "iavf_fdir.h" 41 #include "iavf_adv_rss.h" 42 #include <linux/bitmap.h> 43 44 #define DEFAULT_DEBUG_LEVEL_SHIFT 3 45 #define PFX "iavf: " 46 47 int iavf_status_to_errno(enum iavf_status status); 48 int virtchnl_status_to_errno(enum virtchnl_status_code v_status); 49 50 /* VSI state flags shared with common code */ 51 enum iavf_vsi_state_t { 52 __IAVF_VSI_DOWN, 53 /* This must be last as it determines the size of the BITMAP */ 54 __IAVF_VSI_STATE_SIZE__, 55 }; 56 57 /* dummy struct to make common code less painful */ 58 struct iavf_vsi { 59 struct iavf_adapter *back; 60 struct net_device *netdev; 61 unsigned long active_cvlans[BITS_TO_LONGS(VLAN_N_VID)]; 62 unsigned long active_svlans[BITS_TO_LONGS(VLAN_N_VID)]; 63 u16 seid; 64 u16 id; 65 DECLARE_BITMAP(state, __IAVF_VSI_STATE_SIZE__); 66 int base_vector; 67 u16 work_limit; 68 u16 qs_handle; 69 void *priv; /* client driver data reference. */ 70 }; 71 72 /* How many Rx Buffers do we bundle into one write to the hardware ? */ 73 #define IAVF_RX_BUFFER_WRITE 16 /* Must be power of 2 */ 74 #define IAVF_DEFAULT_TXD 512 75 #define IAVF_DEFAULT_RXD 512 76 #define IAVF_MAX_TXD 4096 77 #define IAVF_MIN_TXD 64 78 #define IAVF_MAX_RXD 4096 79 #define IAVF_MIN_RXD 64 80 #define IAVF_REQ_DESCRIPTOR_MULTIPLE 32 81 #define IAVF_MAX_AQ_BUF_SIZE 4096 82 #define IAVF_AQ_LEN 32 83 #define IAVF_AQ_MAX_ERR 20 /* times to try before resetting AQ */ 84 85 #define MAXIMUM_ETHERNET_VLAN_SIZE (VLAN_ETH_FRAME_LEN + ETH_FCS_LEN) 86 87 #define IAVF_RX_DESC(R, i) (&(((union iavf_32byte_rx_desc *)((R)->desc))[i])) 88 #define IAVF_TX_DESC(R, i) (&(((struct iavf_tx_desc *)((R)->desc))[i])) 89 #define IAVF_TX_CTXTDESC(R, i) \ 90 (&(((struct iavf_tx_context_desc *)((R)->desc))[i])) 91 #define IAVF_MAX_REQ_QUEUES 16 92 93 #define IAVF_HKEY_ARRAY_SIZE ((IAVF_VFQF_HKEY_MAX_INDEX + 1) * 4) 94 #define IAVF_HLUT_ARRAY_SIZE ((IAVF_VFQF_HLUT_MAX_INDEX + 1) * 4) 95 #define IAVF_MBPS_DIVISOR 125000 /* divisor to convert to Mbps */ 96 97 #define IAVF_VIRTCHNL_VF_RESOURCE_SIZE (sizeof(struct virtchnl_vf_resource) + \ 98 (IAVF_MAX_VF_VSI * \ 99 sizeof(struct virtchnl_vsi_resource))) 100 101 /* MAX_MSIX_Q_VECTORS of these are allocated, 102 * but we only use one per queue-specific vector. 103 */ 104 struct iavf_q_vector { 105 struct iavf_adapter *adapter; 106 struct iavf_vsi *vsi; 107 struct napi_struct napi; 108 struct iavf_ring_container rx; 109 struct iavf_ring_container tx; 110 u32 ring_mask; 111 u8 itr_countdown; /* when 0 should adjust adaptive ITR */ 112 u8 num_ringpairs; /* total number of ring pairs in vector */ 113 u16 v_idx; /* index in the vsi->q_vector array. */ 114 u16 reg_idx; /* register index of the interrupt */ 115 char name[IFNAMSIZ + 15]; 116 bool arm_wb_state; 117 cpumask_t affinity_mask; 118 struct irq_affinity_notify affinity_notify; 119 }; 120 121 /* Helper macros to switch between ints/sec and what the register uses. 122 * And yes, it's the same math going both ways. The lowest value 123 * supported by all of the iavf hardware is 8. 124 */ 125 #define EITR_INTS_PER_SEC_TO_REG(_eitr) \ 126 ((_eitr) ? (1000000000 / ((_eitr) * 256)) : 8) 127 #define EITR_REG_TO_INTS_PER_SEC EITR_INTS_PER_SEC_TO_REG 128 129 #define IAVF_DESC_UNUSED(R) \ 130 ((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \ 131 (R)->next_to_clean - (R)->next_to_use - 1) 132 133 #define OTHER_VECTOR 1 134 #define NONQ_VECS (OTHER_VECTOR) 135 136 #define MIN_MSIX_Q_VECTORS 1 137 #define MIN_MSIX_COUNT (MIN_MSIX_Q_VECTORS + NONQ_VECS) 138 139 #define IAVF_QUEUE_END_OF_LIST 0x7FF 140 #define IAVF_FREE_VECTOR 0x7FFF 141 struct iavf_mac_filter { 142 struct list_head list; 143 u8 macaddr[ETH_ALEN]; 144 struct { 145 u8 is_new_mac:1; /* filter is new, wait for PF decision */ 146 u8 remove:1; /* filter needs to be removed */ 147 u8 add:1; /* filter needs to be added */ 148 u8 is_primary:1; /* filter is a default VF MAC */ 149 u8 padding:4; 150 }; 151 }; 152 153 #define IAVF_VLAN(vid, tpid) ((struct iavf_vlan){ vid, tpid }) 154 struct iavf_vlan { 155 u16 vid; 156 u16 tpid; 157 }; 158 159 struct iavf_vlan_filter { 160 struct list_head list; 161 struct iavf_vlan vlan; 162 bool remove; /* filter needs to be removed */ 163 bool add; /* filter needs to be added */ 164 }; 165 166 #define IAVF_MAX_TRAFFIC_CLASS 4 167 /* State of traffic class creation */ 168 enum iavf_tc_state_t { 169 __IAVF_TC_INVALID, /* no traffic class, default state */ 170 __IAVF_TC_RUNNING, /* traffic classes have been created */ 171 }; 172 173 /* channel info */ 174 struct iavf_channel_config { 175 struct virtchnl_channel_info ch_info[IAVF_MAX_TRAFFIC_CLASS]; 176 enum iavf_tc_state_t state; 177 u8 total_qps; 178 }; 179 180 /* State of cloud filter */ 181 enum iavf_cloud_filter_state_t { 182 __IAVF_CF_INVALID, /* cloud filter not added */ 183 __IAVF_CF_ADD_PENDING, /* cloud filter pending add by the PF */ 184 __IAVF_CF_DEL_PENDING, /* cloud filter pending del by the PF */ 185 __IAVF_CF_ACTIVE, /* cloud filter is active */ 186 }; 187 188 /* Driver state. The order of these is important! */ 189 enum iavf_state_t { 190 __IAVF_STARTUP, /* driver loaded, probe complete */ 191 __IAVF_REMOVE, /* driver is being unloaded */ 192 __IAVF_INIT_VERSION_CHECK, /* aq msg sent, awaiting reply */ 193 __IAVF_INIT_GET_RESOURCES, /* aq msg sent, awaiting reply */ 194 __IAVF_INIT_EXTENDED_CAPS, /* process extended caps which require aq msg exchange */ 195 __IAVF_INIT_CONFIG_ADAPTER, 196 __IAVF_INIT_SW, /* got resources, setting up structs */ 197 __IAVF_INIT_FAILED, /* init failed, restarting procedure */ 198 __IAVF_RESETTING, /* in reset */ 199 __IAVF_COMM_FAILED, /* communication with PF failed */ 200 /* Below here, watchdog is running */ 201 __IAVF_DOWN, /* ready, can be opened */ 202 __IAVF_DOWN_PENDING, /* descending, waiting for watchdog */ 203 __IAVF_TESTING, /* in ethtool self-test */ 204 __IAVF_RUNNING, /* opened, working */ 205 }; 206 207 enum iavf_critical_section_t { 208 __IAVF_IN_REMOVE_TASK, /* device being removed */ 209 }; 210 211 #define IAVF_CLOUD_FIELD_OMAC 0x01 212 #define IAVF_CLOUD_FIELD_IMAC 0x02 213 #define IAVF_CLOUD_FIELD_IVLAN 0x04 214 #define IAVF_CLOUD_FIELD_TEN_ID 0x08 215 #define IAVF_CLOUD_FIELD_IIP 0x10 216 217 #define IAVF_CF_FLAGS_OMAC IAVF_CLOUD_FIELD_OMAC 218 #define IAVF_CF_FLAGS_IMAC IAVF_CLOUD_FIELD_IMAC 219 #define IAVF_CF_FLAGS_IMAC_IVLAN (IAVF_CLOUD_FIELD_IMAC |\ 220 IAVF_CLOUD_FIELD_IVLAN) 221 #define IAVF_CF_FLAGS_IMAC_TEN_ID (IAVF_CLOUD_FIELD_IMAC |\ 222 IAVF_CLOUD_FIELD_TEN_ID) 223 #define IAVF_CF_FLAGS_OMAC_TEN_ID_IMAC (IAVF_CLOUD_FIELD_OMAC |\ 224 IAVF_CLOUD_FIELD_IMAC |\ 225 IAVF_CLOUD_FIELD_TEN_ID) 226 #define IAVF_CF_FLAGS_IMAC_IVLAN_TEN_ID (IAVF_CLOUD_FIELD_IMAC |\ 227 IAVF_CLOUD_FIELD_IVLAN |\ 228 IAVF_CLOUD_FIELD_TEN_ID) 229 #define IAVF_CF_FLAGS_IIP IAVF_CLOUD_FIELD_IIP 230 231 /* bookkeeping of cloud filters */ 232 struct iavf_cloud_filter { 233 enum iavf_cloud_filter_state_t state; 234 struct list_head list; 235 struct virtchnl_filter f; 236 unsigned long cookie; 237 bool del; /* filter needs to be deleted */ 238 bool add; /* filter needs to be added */ 239 }; 240 241 #define IAVF_RESET_WAIT_MS 10 242 #define IAVF_RESET_WAIT_DETECTED_COUNT 500 243 #define IAVF_RESET_WAIT_COMPLETE_COUNT 2000 244 245 /* board specific private data structure */ 246 struct iavf_adapter { 247 struct work_struct reset_task; 248 struct work_struct adminq_task; 249 struct delayed_work client_task; 250 wait_queue_head_t down_waitqueue; 251 struct iavf_q_vector *q_vectors; 252 struct list_head vlan_filter_list; 253 struct list_head mac_filter_list; 254 struct mutex crit_lock; 255 struct mutex client_lock; 256 /* Lock to protect accesses to MAC and VLAN lists */ 257 spinlock_t mac_vlan_list_lock; 258 char misc_vector_name[IFNAMSIZ + 9]; 259 int num_active_queues; 260 int num_req_queues; 261 262 /* TX */ 263 struct iavf_ring *tx_rings; 264 u32 tx_timeout_count; 265 u32 tx_desc_count; 266 267 /* RX */ 268 struct iavf_ring *rx_rings; 269 u64 hw_csum_rx_error; 270 u32 rx_desc_count; 271 int num_msix_vectors; 272 int num_iwarp_msix; 273 int iwarp_base_vector; 274 u32 client_pending; 275 struct iavf_client_instance *cinst; 276 struct msix_entry *msix_entries; 277 278 u32 flags; 279 #define IAVF_FLAG_RX_CSUM_ENABLED BIT(0) 280 #define IAVF_FLAG_PF_COMMS_FAILED BIT(3) 281 #define IAVF_FLAG_RESET_PENDING BIT(4) 282 #define IAVF_FLAG_RESET_NEEDED BIT(5) 283 #define IAVF_FLAG_WB_ON_ITR_CAPABLE BIT(6) 284 #define IAVF_FLAG_SERVICE_CLIENT_REQUESTED BIT(9) 285 #define IAVF_FLAG_CLIENT_NEEDS_OPEN BIT(10) 286 #define IAVF_FLAG_CLIENT_NEEDS_CLOSE BIT(11) 287 #define IAVF_FLAG_CLIENT_NEEDS_L2_PARAMS BIT(12) 288 #define IAVF_FLAG_PROMISC_ON BIT(13) 289 #define IAVF_FLAG_ALLMULTI_ON BIT(14) 290 #define IAVF_FLAG_LEGACY_RX BIT(15) 291 #define IAVF_FLAG_REINIT_ITR_NEEDED BIT(16) 292 #define IAVF_FLAG_QUEUES_DISABLED BIT(17) 293 #define IAVF_FLAG_SETUP_NETDEV_FEATURES BIT(18) 294 /* duplicates for common code */ 295 #define IAVF_FLAG_DCB_ENABLED 0 296 /* flags for admin queue service task */ 297 u64 aq_required; 298 #define IAVF_FLAG_AQ_ENABLE_QUEUES BIT_ULL(0) 299 #define IAVF_FLAG_AQ_DISABLE_QUEUES BIT_ULL(1) 300 #define IAVF_FLAG_AQ_ADD_MAC_FILTER BIT_ULL(2) 301 #define IAVF_FLAG_AQ_ADD_VLAN_FILTER BIT_ULL(3) 302 #define IAVF_FLAG_AQ_DEL_MAC_FILTER BIT_ULL(4) 303 #define IAVF_FLAG_AQ_DEL_VLAN_FILTER BIT_ULL(5) 304 #define IAVF_FLAG_AQ_CONFIGURE_QUEUES BIT_ULL(6) 305 #define IAVF_FLAG_AQ_MAP_VECTORS BIT_ULL(7) 306 #define IAVF_FLAG_AQ_HANDLE_RESET BIT_ULL(8) 307 #define IAVF_FLAG_AQ_CONFIGURE_RSS BIT_ULL(9) /* direct AQ config */ 308 #define IAVF_FLAG_AQ_GET_CONFIG BIT_ULL(10) 309 /* Newer style, RSS done by the PF so we can ignore hardware vagaries. */ 310 #define IAVF_FLAG_AQ_GET_HENA BIT_ULL(11) 311 #define IAVF_FLAG_AQ_SET_HENA BIT_ULL(12) 312 #define IAVF_FLAG_AQ_SET_RSS_KEY BIT_ULL(13) 313 #define IAVF_FLAG_AQ_SET_RSS_LUT BIT_ULL(14) 314 #define IAVF_FLAG_AQ_REQUEST_PROMISC BIT_ULL(15) 315 #define IAVF_FLAG_AQ_RELEASE_PROMISC BIT_ULL(16) 316 #define IAVF_FLAG_AQ_REQUEST_ALLMULTI BIT_ULL(17) 317 #define IAVF_FLAG_AQ_RELEASE_ALLMULTI BIT_ULL(18) 318 #define IAVF_FLAG_AQ_ENABLE_VLAN_STRIPPING BIT_ULL(19) 319 #define IAVF_FLAG_AQ_DISABLE_VLAN_STRIPPING BIT_ULL(20) 320 #define IAVF_FLAG_AQ_ENABLE_CHANNELS BIT_ULL(21) 321 #define IAVF_FLAG_AQ_DISABLE_CHANNELS BIT_ULL(22) 322 #define IAVF_FLAG_AQ_ADD_CLOUD_FILTER BIT_ULL(23) 323 #define IAVF_FLAG_AQ_DEL_CLOUD_FILTER BIT_ULL(24) 324 #define IAVF_FLAG_AQ_ADD_FDIR_FILTER BIT_ULL(25) 325 #define IAVF_FLAG_AQ_DEL_FDIR_FILTER BIT_ULL(26) 326 #define IAVF_FLAG_AQ_ADD_ADV_RSS_CFG BIT_ULL(27) 327 #define IAVF_FLAG_AQ_DEL_ADV_RSS_CFG BIT_ULL(28) 328 #define IAVF_FLAG_AQ_REQUEST_STATS BIT_ULL(29) 329 #define IAVF_FLAG_AQ_GET_OFFLOAD_VLAN_V2_CAPS BIT_ULL(30) 330 #define IAVF_FLAG_AQ_ENABLE_CTAG_VLAN_STRIPPING BIT_ULL(31) 331 #define IAVF_FLAG_AQ_DISABLE_CTAG_VLAN_STRIPPING BIT_ULL(32) 332 #define IAVF_FLAG_AQ_ENABLE_STAG_VLAN_STRIPPING BIT_ULL(33) 333 #define IAVF_FLAG_AQ_DISABLE_STAG_VLAN_STRIPPING BIT_ULL(34) 334 #define IAVF_FLAG_AQ_ENABLE_CTAG_VLAN_INSERTION BIT_ULL(35) 335 #define IAVF_FLAG_AQ_DISABLE_CTAG_VLAN_INSERTION BIT_ULL(36) 336 #define IAVF_FLAG_AQ_ENABLE_STAG_VLAN_INSERTION BIT_ULL(37) 337 #define IAVF_FLAG_AQ_DISABLE_STAG_VLAN_INSERTION BIT_ULL(38) 338 339 /* flags for processing extended capability messages during 340 * __IAVF_INIT_EXTENDED_CAPS. Each capability exchange requires 341 * both a SEND and a RECV step, which must be processed in sequence. 342 * 343 * During the __IAVF_INIT_EXTENDED_CAPS state, the driver will 344 * process one flag at a time during each state loop. 345 */ 346 u64 extended_caps; 347 #define IAVF_EXTENDED_CAP_SEND_VLAN_V2 BIT_ULL(0) 348 #define IAVF_EXTENDED_CAP_RECV_VLAN_V2 BIT_ULL(1) 349 350 #define IAVF_EXTENDED_CAPS \ 351 (IAVF_EXTENDED_CAP_SEND_VLAN_V2 | \ 352 IAVF_EXTENDED_CAP_RECV_VLAN_V2) 353 354 /* OS defined structs */ 355 struct net_device *netdev; 356 struct pci_dev *pdev; 357 358 struct iavf_hw hw; /* defined in iavf_type.h */ 359 360 enum iavf_state_t state; 361 enum iavf_state_t last_state; 362 unsigned long crit_section; 363 364 struct delayed_work watchdog_task; 365 bool netdev_registered; 366 bool link_up; 367 enum virtchnl_link_speed link_speed; 368 /* This is only populated if the VIRTCHNL_VF_CAP_ADV_LINK_SPEED is set 369 * in vf_res->vf_cap_flags. Use ADV_LINK_SUPPORT macro to determine if 370 * this field is valid. This field should be used going forward and the 371 * enum virtchnl_link_speed above should be considered the legacy way of 372 * storing/communicating link speeds. 373 */ 374 u32 link_speed_mbps; 375 376 enum virtchnl_ops current_op; 377 #define CLIENT_ALLOWED(_a) ((_a)->vf_res ? \ 378 (_a)->vf_res->vf_cap_flags & \ 379 VIRTCHNL_VF_OFFLOAD_IWARP : \ 380 0) 381 #define CLIENT_ENABLED(_a) ((_a)->cinst) 382 /* RSS by the PF should be preferred over RSS via other methods. */ 383 #define RSS_PF(_a) ((_a)->vf_res->vf_cap_flags & \ 384 VIRTCHNL_VF_OFFLOAD_RSS_PF) 385 #define RSS_AQ(_a) ((_a)->vf_res->vf_cap_flags & \ 386 VIRTCHNL_VF_OFFLOAD_RSS_AQ) 387 #define RSS_REG(_a) (!((_a)->vf_res->vf_cap_flags & \ 388 (VIRTCHNL_VF_OFFLOAD_RSS_AQ | \ 389 VIRTCHNL_VF_OFFLOAD_RSS_PF))) 390 #define VLAN_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \ 391 VIRTCHNL_VF_OFFLOAD_VLAN) 392 #define VLAN_V2_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \ 393 VIRTCHNL_VF_OFFLOAD_VLAN_V2) 394 #define VLAN_V2_FILTERING_ALLOWED(_a) \ 395 (VLAN_V2_ALLOWED((_a)) && \ 396 ((_a)->vlan_v2_caps.filtering.filtering_support.outer || \ 397 (_a)->vlan_v2_caps.filtering.filtering_support.inner)) 398 #define VLAN_FILTERING_ALLOWED(_a) \ 399 (VLAN_ALLOWED((_a)) || VLAN_V2_FILTERING_ALLOWED((_a))) 400 #define ADV_LINK_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \ 401 VIRTCHNL_VF_CAP_ADV_LINK_SPEED) 402 #define FDIR_FLTR_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \ 403 VIRTCHNL_VF_OFFLOAD_FDIR_PF) 404 #define ADV_RSS_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \ 405 VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF) 406 struct virtchnl_vf_resource *vf_res; /* incl. all VSIs */ 407 struct virtchnl_vsi_resource *vsi_res; /* our LAN VSI */ 408 struct virtchnl_version_info pf_version; 409 #define PF_IS_V11(_a) (((_a)->pf_version.major == 1) && \ 410 ((_a)->pf_version.minor == 1)) 411 struct virtchnl_vlan_caps vlan_v2_caps; 412 u16 msg_enable; 413 struct iavf_eth_stats current_stats; 414 struct iavf_vsi vsi; 415 u32 aq_wait_count; 416 /* RSS stuff */ 417 u64 hena; 418 u16 rss_key_size; 419 u16 rss_lut_size; 420 u8 *rss_key; 421 u8 *rss_lut; 422 /* ADQ related members */ 423 struct iavf_channel_config ch_config; 424 u8 num_tc; 425 struct list_head cloud_filter_list; 426 /* lock to protect access to the cloud filter list */ 427 spinlock_t cloud_filter_list_lock; 428 u16 num_cloud_filters; 429 430 #define IAVF_MAX_FDIR_FILTERS 128 /* max allowed Flow Director filters */ 431 u16 fdir_active_fltr; 432 struct list_head fdir_list_head; 433 spinlock_t fdir_fltr_lock; /* protect the Flow Director filter list */ 434 435 struct list_head adv_rss_list_head; 436 spinlock_t adv_rss_lock; /* protect the RSS management list */ 437 }; 438 439 440 /* Ethtool Private Flags */ 441 442 /* lan device, used by client interface */ 443 struct iavf_device { 444 struct list_head list; 445 struct iavf_adapter *vf; 446 }; 447 448 /* needed by iavf_ethtool.c */ 449 extern char iavf_driver_name[]; 450 extern struct workqueue_struct *iavf_wq; 451 452 static inline const char *iavf_state_str(enum iavf_state_t state) 453 { 454 switch (state) { 455 case __IAVF_STARTUP: 456 return "__IAVF_STARTUP"; 457 case __IAVF_REMOVE: 458 return "__IAVF_REMOVE"; 459 case __IAVF_INIT_VERSION_CHECK: 460 return "__IAVF_INIT_VERSION_CHECK"; 461 case __IAVF_INIT_GET_RESOURCES: 462 return "__IAVF_INIT_GET_RESOURCES"; 463 case __IAVF_INIT_SW: 464 return "__IAVF_INIT_SW"; 465 case __IAVF_INIT_FAILED: 466 return "__IAVF_INIT_FAILED"; 467 case __IAVF_RESETTING: 468 return "__IAVF_RESETTING"; 469 case __IAVF_COMM_FAILED: 470 return "__IAVF_COMM_FAILED"; 471 case __IAVF_DOWN: 472 return "__IAVF_DOWN"; 473 case __IAVF_DOWN_PENDING: 474 return "__IAVF_DOWN_PENDING"; 475 case __IAVF_TESTING: 476 return "__IAVF_TESTING"; 477 case __IAVF_RUNNING: 478 return "__IAVF_RUNNING"; 479 default: 480 return "__IAVF_UNKNOWN_STATE"; 481 } 482 } 483 484 static inline void iavf_change_state(struct iavf_adapter *adapter, 485 enum iavf_state_t state) 486 { 487 if (adapter->state != state) { 488 adapter->last_state = adapter->state; 489 adapter->state = state; 490 } 491 dev_dbg(&adapter->pdev->dev, 492 "state transition from:%s to:%s\n", 493 iavf_state_str(adapter->last_state), 494 iavf_state_str(adapter->state)); 495 } 496 497 int iavf_up(struct iavf_adapter *adapter); 498 void iavf_down(struct iavf_adapter *adapter); 499 int iavf_process_config(struct iavf_adapter *adapter); 500 int iavf_parse_vf_resource_msg(struct iavf_adapter *adapter); 501 void iavf_schedule_reset(struct iavf_adapter *adapter); 502 void iavf_schedule_request_stats(struct iavf_adapter *adapter); 503 void iavf_reset(struct iavf_adapter *adapter); 504 void iavf_set_ethtool_ops(struct net_device *netdev); 505 void iavf_update_stats(struct iavf_adapter *adapter); 506 void iavf_reset_interrupt_capability(struct iavf_adapter *adapter); 507 int iavf_init_interrupt_scheme(struct iavf_adapter *adapter); 508 void iavf_irq_enable_queues(struct iavf_adapter *adapter, u32 mask); 509 void iavf_free_all_tx_resources(struct iavf_adapter *adapter); 510 void iavf_free_all_rx_resources(struct iavf_adapter *adapter); 511 512 void iavf_napi_add_all(struct iavf_adapter *adapter); 513 void iavf_napi_del_all(struct iavf_adapter *adapter); 514 515 int iavf_send_api_ver(struct iavf_adapter *adapter); 516 int iavf_verify_api_ver(struct iavf_adapter *adapter); 517 int iavf_send_vf_config_msg(struct iavf_adapter *adapter); 518 int iavf_get_vf_config(struct iavf_adapter *adapter); 519 int iavf_get_vf_vlan_v2_caps(struct iavf_adapter *adapter); 520 int iavf_send_vf_offload_vlan_v2_msg(struct iavf_adapter *adapter); 521 void iavf_set_queue_vlan_tag_loc(struct iavf_adapter *adapter); 522 void iavf_irq_enable(struct iavf_adapter *adapter, bool flush); 523 void iavf_configure_queues(struct iavf_adapter *adapter); 524 void iavf_deconfigure_queues(struct iavf_adapter *adapter); 525 void iavf_enable_queues(struct iavf_adapter *adapter); 526 void iavf_disable_queues(struct iavf_adapter *adapter); 527 void iavf_map_queues(struct iavf_adapter *adapter); 528 int iavf_request_queues(struct iavf_adapter *adapter, int num); 529 void iavf_add_ether_addrs(struct iavf_adapter *adapter); 530 void iavf_del_ether_addrs(struct iavf_adapter *adapter); 531 void iavf_add_vlans(struct iavf_adapter *adapter); 532 void iavf_del_vlans(struct iavf_adapter *adapter); 533 void iavf_set_promiscuous(struct iavf_adapter *adapter, int flags); 534 void iavf_request_stats(struct iavf_adapter *adapter); 535 int iavf_request_reset(struct iavf_adapter *adapter); 536 void iavf_get_hena(struct iavf_adapter *adapter); 537 void iavf_set_hena(struct iavf_adapter *adapter); 538 void iavf_set_rss_key(struct iavf_adapter *adapter); 539 void iavf_set_rss_lut(struct iavf_adapter *adapter); 540 void iavf_enable_vlan_stripping(struct iavf_adapter *adapter); 541 void iavf_disable_vlan_stripping(struct iavf_adapter *adapter); 542 void iavf_virtchnl_completion(struct iavf_adapter *adapter, 543 enum virtchnl_ops v_opcode, 544 enum iavf_status v_retval, u8 *msg, u16 msglen); 545 int iavf_config_rss(struct iavf_adapter *adapter); 546 int iavf_lan_add_device(struct iavf_adapter *adapter); 547 int iavf_lan_del_device(struct iavf_adapter *adapter); 548 void iavf_client_subtask(struct iavf_adapter *adapter); 549 void iavf_notify_client_message(struct iavf_vsi *vsi, u8 *msg, u16 len); 550 void iavf_notify_client_l2_params(struct iavf_vsi *vsi); 551 void iavf_notify_client_open(struct iavf_vsi *vsi); 552 void iavf_notify_client_close(struct iavf_vsi *vsi, bool reset); 553 void iavf_enable_channels(struct iavf_adapter *adapter); 554 void iavf_disable_channels(struct iavf_adapter *adapter); 555 void iavf_add_cloud_filter(struct iavf_adapter *adapter); 556 void iavf_del_cloud_filter(struct iavf_adapter *adapter); 557 void iavf_enable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid); 558 void iavf_disable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid); 559 void iavf_enable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid); 560 void iavf_disable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid); 561 void 562 iavf_set_vlan_offload_features(struct iavf_adapter *adapter, 563 netdev_features_t prev_features, 564 netdev_features_t features); 565 void iavf_add_fdir_filter(struct iavf_adapter *adapter); 566 void iavf_del_fdir_filter(struct iavf_adapter *adapter); 567 void iavf_add_adv_rss_cfg(struct iavf_adapter *adapter); 568 void iavf_del_adv_rss_cfg(struct iavf_adapter *adapter); 569 struct iavf_mac_filter *iavf_add_filter(struct iavf_adapter *adapter, 570 const u8 *macaddr); 571 int iavf_lock_timeout(struct mutex *lock, unsigned int msecs); 572 #endif /* _IAVF_H_ */ 573