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 qs_handle; 68 void *priv; /* client driver data reference. */ 69 }; 70 71 /* How many Rx Buffers do we bundle into one write to the hardware ? */ 72 #define IAVF_RX_BUFFER_WRITE 16 /* Must be power of 2 */ 73 #define IAVF_DEFAULT_TXD 512 74 #define IAVF_DEFAULT_RXD 512 75 #define IAVF_MAX_TXD 4096 76 #define IAVF_MIN_TXD 64 77 #define IAVF_MAX_RXD 4096 78 #define IAVF_MIN_RXD 64 79 #define IAVF_REQ_DESCRIPTOR_MULTIPLE 32 80 #define IAVF_MAX_AQ_BUF_SIZE 4096 81 #define IAVF_AQ_LEN 32 82 #define IAVF_AQ_MAX_ERR 20 /* times to try before resetting AQ */ 83 84 #define MAXIMUM_ETHERNET_VLAN_SIZE (VLAN_ETH_FRAME_LEN + ETH_FCS_LEN) 85 86 #define IAVF_RX_DESC(R, i) (&(((union iavf_32byte_rx_desc *)((R)->desc))[i])) 87 #define IAVF_TX_DESC(R, i) (&(((struct iavf_tx_desc *)((R)->desc))[i])) 88 #define IAVF_TX_CTXTDESC(R, i) \ 89 (&(((struct iavf_tx_context_desc *)((R)->desc))[i])) 90 #define IAVF_MAX_REQ_QUEUES 16 91 92 #define IAVF_HKEY_ARRAY_SIZE ((IAVF_VFQF_HKEY_MAX_INDEX + 1) * 4) 93 #define IAVF_HLUT_ARRAY_SIZE ((IAVF_VFQF_HLUT_MAX_INDEX + 1) * 4) 94 #define IAVF_MBPS_DIVISOR 125000 /* divisor to convert to Mbps */ 95 #define IAVF_MBPS_QUANTA 50 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 add_handled:1; /* received response for filter add */ 150 u8 padding:3; 151 }; 152 }; 153 154 #define IAVF_VLAN(vid, tpid) ((struct iavf_vlan){ vid, tpid }) 155 struct iavf_vlan { 156 u16 vid; 157 u16 tpid; 158 }; 159 160 struct iavf_vlan_filter { 161 struct list_head list; 162 struct iavf_vlan vlan; 163 struct { 164 u8 is_new_vlan:1; /* filter is new, wait for PF answer */ 165 u8 remove:1; /* filter needs to be removed */ 166 u8 add:1; /* filter needs to be added */ 167 u8 padding:5; 168 }; 169 }; 170 171 #define IAVF_MAX_TRAFFIC_CLASS 4 172 /* State of traffic class creation */ 173 enum iavf_tc_state_t { 174 __IAVF_TC_INVALID, /* no traffic class, default state */ 175 __IAVF_TC_RUNNING, /* traffic classes have been created */ 176 }; 177 178 /* channel info */ 179 struct iavf_channel_config { 180 struct virtchnl_channel_info ch_info[IAVF_MAX_TRAFFIC_CLASS]; 181 enum iavf_tc_state_t state; 182 u8 total_qps; 183 }; 184 185 /* State of cloud filter */ 186 enum iavf_cloud_filter_state_t { 187 __IAVF_CF_INVALID, /* cloud filter not added */ 188 __IAVF_CF_ADD_PENDING, /* cloud filter pending add by the PF */ 189 __IAVF_CF_DEL_PENDING, /* cloud filter pending del by the PF */ 190 __IAVF_CF_ACTIVE, /* cloud filter is active */ 191 }; 192 193 /* Driver state. The order of these is important! */ 194 enum iavf_state_t { 195 __IAVF_STARTUP, /* driver loaded, probe complete */ 196 __IAVF_REMOVE, /* driver is being unloaded */ 197 __IAVF_INIT_VERSION_CHECK, /* aq msg sent, awaiting reply */ 198 __IAVF_INIT_GET_RESOURCES, /* aq msg sent, awaiting reply */ 199 __IAVF_INIT_EXTENDED_CAPS, /* process extended caps which require aq msg exchange */ 200 __IAVF_INIT_CONFIG_ADAPTER, 201 __IAVF_INIT_SW, /* got resources, setting up structs */ 202 __IAVF_INIT_FAILED, /* init failed, restarting procedure */ 203 __IAVF_RESETTING, /* in reset */ 204 __IAVF_COMM_FAILED, /* communication with PF failed */ 205 /* Below here, watchdog is running */ 206 __IAVF_DOWN, /* ready, can be opened */ 207 __IAVF_DOWN_PENDING, /* descending, waiting for watchdog */ 208 __IAVF_TESTING, /* in ethtool self-test */ 209 __IAVF_RUNNING, /* opened, working */ 210 }; 211 212 enum iavf_critical_section_t { 213 __IAVF_IN_REMOVE_TASK, /* device being removed */ 214 }; 215 216 #define IAVF_CLOUD_FIELD_OMAC 0x01 217 #define IAVF_CLOUD_FIELD_IMAC 0x02 218 #define IAVF_CLOUD_FIELD_IVLAN 0x04 219 #define IAVF_CLOUD_FIELD_TEN_ID 0x08 220 #define IAVF_CLOUD_FIELD_IIP 0x10 221 222 #define IAVF_CF_FLAGS_OMAC IAVF_CLOUD_FIELD_OMAC 223 #define IAVF_CF_FLAGS_IMAC IAVF_CLOUD_FIELD_IMAC 224 #define IAVF_CF_FLAGS_IMAC_IVLAN (IAVF_CLOUD_FIELD_IMAC |\ 225 IAVF_CLOUD_FIELD_IVLAN) 226 #define IAVF_CF_FLAGS_IMAC_TEN_ID (IAVF_CLOUD_FIELD_IMAC |\ 227 IAVF_CLOUD_FIELD_TEN_ID) 228 #define IAVF_CF_FLAGS_OMAC_TEN_ID_IMAC (IAVF_CLOUD_FIELD_OMAC |\ 229 IAVF_CLOUD_FIELD_IMAC |\ 230 IAVF_CLOUD_FIELD_TEN_ID) 231 #define IAVF_CF_FLAGS_IMAC_IVLAN_TEN_ID (IAVF_CLOUD_FIELD_IMAC |\ 232 IAVF_CLOUD_FIELD_IVLAN |\ 233 IAVF_CLOUD_FIELD_TEN_ID) 234 #define IAVF_CF_FLAGS_IIP IAVF_CLOUD_FIELD_IIP 235 236 /* bookkeeping of cloud filters */ 237 struct iavf_cloud_filter { 238 enum iavf_cloud_filter_state_t state; 239 struct list_head list; 240 struct virtchnl_filter f; 241 unsigned long cookie; 242 bool del; /* filter needs to be deleted */ 243 bool add; /* filter needs to be added */ 244 }; 245 246 #define IAVF_RESET_WAIT_MS 10 247 #define IAVF_RESET_WAIT_DETECTED_COUNT 500 248 #define IAVF_RESET_WAIT_COMPLETE_COUNT 2000 249 250 /* board specific private data structure */ 251 struct iavf_adapter { 252 struct work_struct reset_task; 253 struct work_struct adminq_task; 254 struct delayed_work client_task; 255 wait_queue_head_t down_waitqueue; 256 wait_queue_head_t vc_waitqueue; 257 struct iavf_q_vector *q_vectors; 258 struct list_head vlan_filter_list; 259 struct list_head mac_filter_list; 260 struct mutex crit_lock; 261 struct mutex client_lock; 262 /* Lock to protect accesses to MAC and VLAN lists */ 263 spinlock_t mac_vlan_list_lock; 264 char misc_vector_name[IFNAMSIZ + 9]; 265 int num_active_queues; 266 int num_req_queues; 267 268 /* TX */ 269 struct iavf_ring *tx_rings; 270 u32 tx_timeout_count; 271 u32 tx_desc_count; 272 273 /* RX */ 274 struct iavf_ring *rx_rings; 275 u64 hw_csum_rx_error; 276 u32 rx_desc_count; 277 int num_msix_vectors; 278 int num_iwarp_msix; 279 int iwarp_base_vector; 280 u32 client_pending; 281 struct iavf_client_instance *cinst; 282 struct msix_entry *msix_entries; 283 284 u32 flags; 285 #define IAVF_FLAG_RX_CSUM_ENABLED BIT(0) 286 #define IAVF_FLAG_PF_COMMS_FAILED BIT(3) 287 #define IAVF_FLAG_RESET_PENDING BIT(4) 288 #define IAVF_FLAG_RESET_NEEDED BIT(5) 289 #define IAVF_FLAG_WB_ON_ITR_CAPABLE BIT(6) 290 #define IAVF_FLAG_SERVICE_CLIENT_REQUESTED BIT(9) 291 #define IAVF_FLAG_CLIENT_NEEDS_OPEN BIT(10) 292 #define IAVF_FLAG_CLIENT_NEEDS_CLOSE BIT(11) 293 #define IAVF_FLAG_CLIENT_NEEDS_L2_PARAMS BIT(12) 294 #define IAVF_FLAG_PROMISC_ON BIT(13) 295 #define IAVF_FLAG_ALLMULTI_ON BIT(14) 296 #define IAVF_FLAG_LEGACY_RX BIT(15) 297 #define IAVF_FLAG_REINIT_ITR_NEEDED BIT(16) 298 #define IAVF_FLAG_QUEUES_DISABLED BIT(17) 299 #define IAVF_FLAG_SETUP_NETDEV_FEATURES BIT(18) 300 #define IAVF_FLAG_REINIT_MSIX_NEEDED BIT(20) 301 #define IAVF_FLAG_INITIAL_MAC_SET BIT(23) 302 /* duplicates for common code */ 303 #define IAVF_FLAG_DCB_ENABLED 0 304 /* flags for admin queue service task */ 305 u64 aq_required; 306 #define IAVF_FLAG_AQ_ENABLE_QUEUES BIT_ULL(0) 307 #define IAVF_FLAG_AQ_DISABLE_QUEUES BIT_ULL(1) 308 #define IAVF_FLAG_AQ_ADD_MAC_FILTER BIT_ULL(2) 309 #define IAVF_FLAG_AQ_ADD_VLAN_FILTER BIT_ULL(3) 310 #define IAVF_FLAG_AQ_DEL_MAC_FILTER BIT_ULL(4) 311 #define IAVF_FLAG_AQ_DEL_VLAN_FILTER BIT_ULL(5) 312 #define IAVF_FLAG_AQ_CONFIGURE_QUEUES BIT_ULL(6) 313 #define IAVF_FLAG_AQ_MAP_VECTORS BIT_ULL(7) 314 #define IAVF_FLAG_AQ_HANDLE_RESET BIT_ULL(8) 315 #define IAVF_FLAG_AQ_CONFIGURE_RSS BIT_ULL(9) /* direct AQ config */ 316 #define IAVF_FLAG_AQ_GET_CONFIG BIT_ULL(10) 317 /* Newer style, RSS done by the PF so we can ignore hardware vagaries. */ 318 #define IAVF_FLAG_AQ_GET_HENA BIT_ULL(11) 319 #define IAVF_FLAG_AQ_SET_HENA BIT_ULL(12) 320 #define IAVF_FLAG_AQ_SET_RSS_KEY BIT_ULL(13) 321 #define IAVF_FLAG_AQ_SET_RSS_LUT BIT_ULL(14) 322 #define IAVF_FLAG_AQ_REQUEST_PROMISC BIT_ULL(15) 323 #define IAVF_FLAG_AQ_RELEASE_PROMISC BIT_ULL(16) 324 #define IAVF_FLAG_AQ_REQUEST_ALLMULTI BIT_ULL(17) 325 #define IAVF_FLAG_AQ_RELEASE_ALLMULTI BIT_ULL(18) 326 #define IAVF_FLAG_AQ_ENABLE_VLAN_STRIPPING BIT_ULL(19) 327 #define IAVF_FLAG_AQ_DISABLE_VLAN_STRIPPING BIT_ULL(20) 328 #define IAVF_FLAG_AQ_ENABLE_CHANNELS BIT_ULL(21) 329 #define IAVF_FLAG_AQ_DISABLE_CHANNELS BIT_ULL(22) 330 #define IAVF_FLAG_AQ_ADD_CLOUD_FILTER BIT_ULL(23) 331 #define IAVF_FLAG_AQ_DEL_CLOUD_FILTER BIT_ULL(24) 332 #define IAVF_FLAG_AQ_ADD_FDIR_FILTER BIT_ULL(25) 333 #define IAVF_FLAG_AQ_DEL_FDIR_FILTER BIT_ULL(26) 334 #define IAVF_FLAG_AQ_ADD_ADV_RSS_CFG BIT_ULL(27) 335 #define IAVF_FLAG_AQ_DEL_ADV_RSS_CFG BIT_ULL(28) 336 #define IAVF_FLAG_AQ_REQUEST_STATS BIT_ULL(29) 337 #define IAVF_FLAG_AQ_GET_OFFLOAD_VLAN_V2_CAPS BIT_ULL(30) 338 #define IAVF_FLAG_AQ_ENABLE_CTAG_VLAN_STRIPPING BIT_ULL(31) 339 #define IAVF_FLAG_AQ_DISABLE_CTAG_VLAN_STRIPPING BIT_ULL(32) 340 #define IAVF_FLAG_AQ_ENABLE_STAG_VLAN_STRIPPING BIT_ULL(33) 341 #define IAVF_FLAG_AQ_DISABLE_STAG_VLAN_STRIPPING BIT_ULL(34) 342 #define IAVF_FLAG_AQ_ENABLE_CTAG_VLAN_INSERTION BIT_ULL(35) 343 #define IAVF_FLAG_AQ_DISABLE_CTAG_VLAN_INSERTION BIT_ULL(36) 344 #define IAVF_FLAG_AQ_ENABLE_STAG_VLAN_INSERTION BIT_ULL(37) 345 #define IAVF_FLAG_AQ_DISABLE_STAG_VLAN_INSERTION BIT_ULL(38) 346 347 /* flags for processing extended capability messages during 348 * __IAVF_INIT_EXTENDED_CAPS. Each capability exchange requires 349 * both a SEND and a RECV step, which must be processed in sequence. 350 * 351 * During the __IAVF_INIT_EXTENDED_CAPS state, the driver will 352 * process one flag at a time during each state loop. 353 */ 354 u64 extended_caps; 355 #define IAVF_EXTENDED_CAP_SEND_VLAN_V2 BIT_ULL(0) 356 #define IAVF_EXTENDED_CAP_RECV_VLAN_V2 BIT_ULL(1) 357 358 #define IAVF_EXTENDED_CAPS \ 359 (IAVF_EXTENDED_CAP_SEND_VLAN_V2 | \ 360 IAVF_EXTENDED_CAP_RECV_VLAN_V2) 361 362 /* OS defined structs */ 363 struct net_device *netdev; 364 struct pci_dev *pdev; 365 366 struct iavf_hw hw; /* defined in iavf_type.h */ 367 368 enum iavf_state_t state; 369 enum iavf_state_t last_state; 370 unsigned long crit_section; 371 372 struct delayed_work watchdog_task; 373 bool netdev_registered; 374 bool link_up; 375 enum virtchnl_link_speed link_speed; 376 /* This is only populated if the VIRTCHNL_VF_CAP_ADV_LINK_SPEED is set 377 * in vf_res->vf_cap_flags. Use ADV_LINK_SUPPORT macro to determine if 378 * this field is valid. This field should be used going forward and the 379 * enum virtchnl_link_speed above should be considered the legacy way of 380 * storing/communicating link speeds. 381 */ 382 u32 link_speed_mbps; 383 384 enum virtchnl_ops current_op; 385 #define CLIENT_ALLOWED(_a) ((_a)->vf_res ? \ 386 (_a)->vf_res->vf_cap_flags & \ 387 VIRTCHNL_VF_OFFLOAD_IWARP : \ 388 0) 389 #define CLIENT_ENABLED(_a) ((_a)->cinst) 390 /* RSS by the PF should be preferred over RSS via other methods. */ 391 #define RSS_PF(_a) ((_a)->vf_res->vf_cap_flags & \ 392 VIRTCHNL_VF_OFFLOAD_RSS_PF) 393 #define RSS_AQ(_a) ((_a)->vf_res->vf_cap_flags & \ 394 VIRTCHNL_VF_OFFLOAD_RSS_AQ) 395 #define RSS_REG(_a) (!((_a)->vf_res->vf_cap_flags & \ 396 (VIRTCHNL_VF_OFFLOAD_RSS_AQ | \ 397 VIRTCHNL_VF_OFFLOAD_RSS_PF))) 398 #define VLAN_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \ 399 VIRTCHNL_VF_OFFLOAD_VLAN) 400 #define VLAN_V2_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \ 401 VIRTCHNL_VF_OFFLOAD_VLAN_V2) 402 #define VLAN_V2_FILTERING_ALLOWED(_a) \ 403 (VLAN_V2_ALLOWED((_a)) && \ 404 ((_a)->vlan_v2_caps.filtering.filtering_support.outer || \ 405 (_a)->vlan_v2_caps.filtering.filtering_support.inner)) 406 #define VLAN_FILTERING_ALLOWED(_a) \ 407 (VLAN_ALLOWED((_a)) || VLAN_V2_FILTERING_ALLOWED((_a))) 408 #define ADV_LINK_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \ 409 VIRTCHNL_VF_CAP_ADV_LINK_SPEED) 410 #define FDIR_FLTR_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \ 411 VIRTCHNL_VF_OFFLOAD_FDIR_PF) 412 #define ADV_RSS_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \ 413 VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF) 414 struct virtchnl_vf_resource *vf_res; /* incl. all VSIs */ 415 struct virtchnl_vsi_resource *vsi_res; /* our LAN VSI */ 416 struct virtchnl_version_info pf_version; 417 #define PF_IS_V11(_a) (((_a)->pf_version.major == 1) && \ 418 ((_a)->pf_version.minor == 1)) 419 struct virtchnl_vlan_caps vlan_v2_caps; 420 u16 msg_enable; 421 struct iavf_eth_stats current_stats; 422 struct iavf_vsi vsi; 423 u32 aq_wait_count; 424 /* RSS stuff */ 425 u64 hena; 426 u16 rss_key_size; 427 u16 rss_lut_size; 428 u8 *rss_key; 429 u8 *rss_lut; 430 /* ADQ related members */ 431 struct iavf_channel_config ch_config; 432 u8 num_tc; 433 struct list_head cloud_filter_list; 434 /* lock to protect access to the cloud filter list */ 435 spinlock_t cloud_filter_list_lock; 436 u16 num_cloud_filters; 437 /* snapshot of "num_active_queues" before setup_tc for qdisc add 438 * is invoked. This information is useful during qdisc del flow, 439 * to restore correct number of queues 440 */ 441 int orig_num_active_queues; 442 443 #define IAVF_MAX_FDIR_FILTERS 128 /* max allowed Flow Director filters */ 444 u16 fdir_active_fltr; 445 struct list_head fdir_list_head; 446 spinlock_t fdir_fltr_lock; /* protect the Flow Director filter list */ 447 448 struct list_head adv_rss_list_head; 449 spinlock_t adv_rss_lock; /* protect the RSS management list */ 450 }; 451 452 453 /* Ethtool Private Flags */ 454 455 /* lan device, used by client interface */ 456 struct iavf_device { 457 struct list_head list; 458 struct iavf_adapter *vf; 459 }; 460 461 /* needed by iavf_ethtool.c */ 462 extern char iavf_driver_name[]; 463 extern struct workqueue_struct *iavf_wq; 464 465 static inline const char *iavf_state_str(enum iavf_state_t state) 466 { 467 switch (state) { 468 case __IAVF_STARTUP: 469 return "__IAVF_STARTUP"; 470 case __IAVF_REMOVE: 471 return "__IAVF_REMOVE"; 472 case __IAVF_INIT_VERSION_CHECK: 473 return "__IAVF_INIT_VERSION_CHECK"; 474 case __IAVF_INIT_GET_RESOURCES: 475 return "__IAVF_INIT_GET_RESOURCES"; 476 case __IAVF_INIT_EXTENDED_CAPS: 477 return "__IAVF_INIT_EXTENDED_CAPS"; 478 case __IAVF_INIT_CONFIG_ADAPTER: 479 return "__IAVF_INIT_CONFIG_ADAPTER"; 480 case __IAVF_INIT_SW: 481 return "__IAVF_INIT_SW"; 482 case __IAVF_INIT_FAILED: 483 return "__IAVF_INIT_FAILED"; 484 case __IAVF_RESETTING: 485 return "__IAVF_RESETTING"; 486 case __IAVF_COMM_FAILED: 487 return "__IAVF_COMM_FAILED"; 488 case __IAVF_DOWN: 489 return "__IAVF_DOWN"; 490 case __IAVF_DOWN_PENDING: 491 return "__IAVF_DOWN_PENDING"; 492 case __IAVF_TESTING: 493 return "__IAVF_TESTING"; 494 case __IAVF_RUNNING: 495 return "__IAVF_RUNNING"; 496 default: 497 return "__IAVF_UNKNOWN_STATE"; 498 } 499 } 500 501 static inline void iavf_change_state(struct iavf_adapter *adapter, 502 enum iavf_state_t state) 503 { 504 if (adapter->state != state) { 505 adapter->last_state = adapter->state; 506 adapter->state = state; 507 } 508 dev_dbg(&adapter->pdev->dev, 509 "state transition from:%s to:%s\n", 510 iavf_state_str(adapter->last_state), 511 iavf_state_str(adapter->state)); 512 } 513 514 int iavf_up(struct iavf_adapter *adapter); 515 void iavf_down(struct iavf_adapter *adapter); 516 int iavf_process_config(struct iavf_adapter *adapter); 517 int iavf_parse_vf_resource_msg(struct iavf_adapter *adapter); 518 void iavf_schedule_reset(struct iavf_adapter *adapter); 519 void iavf_schedule_request_stats(struct iavf_adapter *adapter); 520 void iavf_reset(struct iavf_adapter *adapter); 521 void iavf_set_ethtool_ops(struct net_device *netdev); 522 void iavf_update_stats(struct iavf_adapter *adapter); 523 void iavf_reset_interrupt_capability(struct iavf_adapter *adapter); 524 int iavf_init_interrupt_scheme(struct iavf_adapter *adapter); 525 void iavf_irq_enable_queues(struct iavf_adapter *adapter, u32 mask); 526 void iavf_free_all_tx_resources(struct iavf_adapter *adapter); 527 void iavf_free_all_rx_resources(struct iavf_adapter *adapter); 528 529 void iavf_napi_add_all(struct iavf_adapter *adapter); 530 void iavf_napi_del_all(struct iavf_adapter *adapter); 531 532 int iavf_send_api_ver(struct iavf_adapter *adapter); 533 int iavf_verify_api_ver(struct iavf_adapter *adapter); 534 int iavf_send_vf_config_msg(struct iavf_adapter *adapter); 535 int iavf_get_vf_config(struct iavf_adapter *adapter); 536 int iavf_get_vf_vlan_v2_caps(struct iavf_adapter *adapter); 537 int iavf_send_vf_offload_vlan_v2_msg(struct iavf_adapter *adapter); 538 void iavf_set_queue_vlan_tag_loc(struct iavf_adapter *adapter); 539 u16 iavf_get_num_vlans_added(struct iavf_adapter *adapter); 540 void iavf_irq_enable(struct iavf_adapter *adapter, bool flush); 541 void iavf_configure_queues(struct iavf_adapter *adapter); 542 void iavf_deconfigure_queues(struct iavf_adapter *adapter); 543 void iavf_enable_queues(struct iavf_adapter *adapter); 544 void iavf_disable_queues(struct iavf_adapter *adapter); 545 void iavf_map_queues(struct iavf_adapter *adapter); 546 int iavf_request_queues(struct iavf_adapter *adapter, int num); 547 void iavf_add_ether_addrs(struct iavf_adapter *adapter); 548 void iavf_del_ether_addrs(struct iavf_adapter *adapter); 549 void iavf_add_vlans(struct iavf_adapter *adapter); 550 void iavf_del_vlans(struct iavf_adapter *adapter); 551 void iavf_set_promiscuous(struct iavf_adapter *adapter, int flags); 552 void iavf_request_stats(struct iavf_adapter *adapter); 553 int iavf_request_reset(struct iavf_adapter *adapter); 554 void iavf_get_hena(struct iavf_adapter *adapter); 555 void iavf_set_hena(struct iavf_adapter *adapter); 556 void iavf_set_rss_key(struct iavf_adapter *adapter); 557 void iavf_set_rss_lut(struct iavf_adapter *adapter); 558 void iavf_enable_vlan_stripping(struct iavf_adapter *adapter); 559 void iavf_disable_vlan_stripping(struct iavf_adapter *adapter); 560 void iavf_virtchnl_completion(struct iavf_adapter *adapter, 561 enum virtchnl_ops v_opcode, 562 enum iavf_status v_retval, u8 *msg, u16 msglen); 563 int iavf_config_rss(struct iavf_adapter *adapter); 564 int iavf_lan_add_device(struct iavf_adapter *adapter); 565 int iavf_lan_del_device(struct iavf_adapter *adapter); 566 void iavf_client_subtask(struct iavf_adapter *adapter); 567 void iavf_notify_client_message(struct iavf_vsi *vsi, u8 *msg, u16 len); 568 void iavf_notify_client_l2_params(struct iavf_vsi *vsi); 569 void iavf_notify_client_open(struct iavf_vsi *vsi); 570 void iavf_notify_client_close(struct iavf_vsi *vsi, bool reset); 571 void iavf_enable_channels(struct iavf_adapter *adapter); 572 void iavf_disable_channels(struct iavf_adapter *adapter); 573 void iavf_add_cloud_filter(struct iavf_adapter *adapter); 574 void iavf_del_cloud_filter(struct iavf_adapter *adapter); 575 void iavf_enable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid); 576 void iavf_disable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid); 577 void iavf_enable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid); 578 void iavf_disable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid); 579 int iavf_replace_primary_mac(struct iavf_adapter *adapter, 580 const u8 *new_mac); 581 void 582 iavf_set_vlan_offload_features(struct iavf_adapter *adapter, 583 netdev_features_t prev_features, 584 netdev_features_t features); 585 void iavf_add_fdir_filter(struct iavf_adapter *adapter); 586 void iavf_del_fdir_filter(struct iavf_adapter *adapter); 587 void iavf_add_adv_rss_cfg(struct iavf_adapter *adapter); 588 void iavf_del_adv_rss_cfg(struct iavf_adapter *adapter); 589 struct iavf_mac_filter *iavf_add_filter(struct iavf_adapter *adapter, 590 const u8 *macaddr); 591 int iavf_lock_timeout(struct mutex *lock, unsigned int msecs); 592 #endif /* _IAVF_H_ */ 593