1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright (C) 2022, Intel Corporation. */ 3 4 #include "ice_virtchnl.h" 5 #include "ice_vf_lib_private.h" 6 #include "ice.h" 7 #include "ice_base.h" 8 #include "ice_lib.h" 9 #include "ice_fltr.h" 10 #include "ice_virtchnl_allowlist.h" 11 #include "ice_vf_vsi_vlan_ops.h" 12 #include "ice_vlan.h" 13 #include "ice_flex_pipe.h" 14 #include "ice_dcb_lib.h" 15 16 #define FIELD_SELECTOR(proto_hdr_field) \ 17 BIT((proto_hdr_field) & PROTO_HDR_FIELD_MASK) 18 19 struct ice_vc_hdr_match_type { 20 u32 vc_hdr; /* virtchnl headers (VIRTCHNL_PROTO_HDR_XXX) */ 21 u32 ice_hdr; /* ice headers (ICE_FLOW_SEG_HDR_XXX) */ 22 }; 23 24 static const struct ice_vc_hdr_match_type ice_vc_hdr_list[] = { 25 {VIRTCHNL_PROTO_HDR_NONE, ICE_FLOW_SEG_HDR_NONE}, 26 {VIRTCHNL_PROTO_HDR_ETH, ICE_FLOW_SEG_HDR_ETH}, 27 {VIRTCHNL_PROTO_HDR_S_VLAN, ICE_FLOW_SEG_HDR_VLAN}, 28 {VIRTCHNL_PROTO_HDR_C_VLAN, ICE_FLOW_SEG_HDR_VLAN}, 29 {VIRTCHNL_PROTO_HDR_IPV4, ICE_FLOW_SEG_HDR_IPV4 | 30 ICE_FLOW_SEG_HDR_IPV_OTHER}, 31 {VIRTCHNL_PROTO_HDR_IPV6, ICE_FLOW_SEG_HDR_IPV6 | 32 ICE_FLOW_SEG_HDR_IPV_OTHER}, 33 {VIRTCHNL_PROTO_HDR_TCP, ICE_FLOW_SEG_HDR_TCP}, 34 {VIRTCHNL_PROTO_HDR_UDP, ICE_FLOW_SEG_HDR_UDP}, 35 {VIRTCHNL_PROTO_HDR_SCTP, ICE_FLOW_SEG_HDR_SCTP}, 36 {VIRTCHNL_PROTO_HDR_PPPOE, ICE_FLOW_SEG_HDR_PPPOE}, 37 {VIRTCHNL_PROTO_HDR_GTPU_IP, ICE_FLOW_SEG_HDR_GTPU_IP}, 38 {VIRTCHNL_PROTO_HDR_GTPU_EH, ICE_FLOW_SEG_HDR_GTPU_EH}, 39 {VIRTCHNL_PROTO_HDR_GTPU_EH_PDU_DWN, 40 ICE_FLOW_SEG_HDR_GTPU_DWN}, 41 {VIRTCHNL_PROTO_HDR_GTPU_EH_PDU_UP, 42 ICE_FLOW_SEG_HDR_GTPU_UP}, 43 {VIRTCHNL_PROTO_HDR_L2TPV3, ICE_FLOW_SEG_HDR_L2TPV3}, 44 {VIRTCHNL_PROTO_HDR_ESP, ICE_FLOW_SEG_HDR_ESP}, 45 {VIRTCHNL_PROTO_HDR_AH, ICE_FLOW_SEG_HDR_AH}, 46 {VIRTCHNL_PROTO_HDR_PFCP, ICE_FLOW_SEG_HDR_PFCP_SESSION}, 47 }; 48 49 struct ice_vc_hash_field_match_type { 50 u32 vc_hdr; /* virtchnl headers 51 * (VIRTCHNL_PROTO_HDR_XXX) 52 */ 53 u32 vc_hash_field; /* virtchnl hash fields selector 54 * FIELD_SELECTOR((VIRTCHNL_PROTO_HDR_ETH_XXX)) 55 */ 56 u64 ice_hash_field; /* ice hash fields 57 * (BIT_ULL(ICE_FLOW_FIELD_IDX_XXX)) 58 */ 59 }; 60 61 static const struct 62 ice_vc_hash_field_match_type ice_vc_hash_field_list[] = { 63 {VIRTCHNL_PROTO_HDR_ETH, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ETH_SRC), 64 BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_SA)}, 65 {VIRTCHNL_PROTO_HDR_ETH, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ETH_DST), 66 BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_DA)}, 67 {VIRTCHNL_PROTO_HDR_ETH, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ETH_SRC) | 68 FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ETH_DST), 69 ICE_FLOW_HASH_ETH}, 70 {VIRTCHNL_PROTO_HDR_ETH, 71 FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ETH_ETHERTYPE), 72 BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_TYPE)}, 73 {VIRTCHNL_PROTO_HDR_S_VLAN, 74 FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_S_VLAN_ID), 75 BIT_ULL(ICE_FLOW_FIELD_IDX_S_VLAN)}, 76 {VIRTCHNL_PROTO_HDR_C_VLAN, 77 FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_C_VLAN_ID), 78 BIT_ULL(ICE_FLOW_FIELD_IDX_C_VLAN)}, 79 {VIRTCHNL_PROTO_HDR_IPV4, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_SRC), 80 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)}, 81 {VIRTCHNL_PROTO_HDR_IPV4, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_DST), 82 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)}, 83 {VIRTCHNL_PROTO_HDR_IPV4, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_SRC) | 84 FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_DST), 85 ICE_FLOW_HASH_IPV4}, 86 {VIRTCHNL_PROTO_HDR_IPV4, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_SRC) | 87 FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_PROT), 88 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) | 89 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT)}, 90 {VIRTCHNL_PROTO_HDR_IPV4, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_DST) | 91 FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_PROT), 92 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) | 93 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT)}, 94 {VIRTCHNL_PROTO_HDR_IPV4, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_SRC) | 95 FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_DST) | 96 FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_PROT), 97 ICE_FLOW_HASH_IPV4 | BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT)}, 98 {VIRTCHNL_PROTO_HDR_IPV4, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_PROT), 99 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT)}, 100 {VIRTCHNL_PROTO_HDR_IPV6, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_SRC), 101 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)}, 102 {VIRTCHNL_PROTO_HDR_IPV6, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_DST), 103 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)}, 104 {VIRTCHNL_PROTO_HDR_IPV6, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_SRC) | 105 FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_DST), 106 ICE_FLOW_HASH_IPV6}, 107 {VIRTCHNL_PROTO_HDR_IPV6, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_SRC) | 108 FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_PROT), 109 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) | 110 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT)}, 111 {VIRTCHNL_PROTO_HDR_IPV6, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_DST) | 112 FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_PROT), 113 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) | 114 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT)}, 115 {VIRTCHNL_PROTO_HDR_IPV6, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_SRC) | 116 FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_DST) | 117 FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_PROT), 118 ICE_FLOW_HASH_IPV6 | BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT)}, 119 {VIRTCHNL_PROTO_HDR_IPV6, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_PROT), 120 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT)}, 121 {VIRTCHNL_PROTO_HDR_TCP, 122 FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_TCP_SRC_PORT), 123 BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)}, 124 {VIRTCHNL_PROTO_HDR_TCP, 125 FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_TCP_DST_PORT), 126 BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)}, 127 {VIRTCHNL_PROTO_HDR_TCP, 128 FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_TCP_SRC_PORT) | 129 FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_TCP_DST_PORT), 130 ICE_FLOW_HASH_TCP_PORT}, 131 {VIRTCHNL_PROTO_HDR_UDP, 132 FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_UDP_SRC_PORT), 133 BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)}, 134 {VIRTCHNL_PROTO_HDR_UDP, 135 FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_UDP_DST_PORT), 136 BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)}, 137 {VIRTCHNL_PROTO_HDR_UDP, 138 FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_UDP_SRC_PORT) | 139 FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_UDP_DST_PORT), 140 ICE_FLOW_HASH_UDP_PORT}, 141 {VIRTCHNL_PROTO_HDR_SCTP, 142 FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_SCTP_SRC_PORT), 143 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)}, 144 {VIRTCHNL_PROTO_HDR_SCTP, 145 FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_SCTP_DST_PORT), 146 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)}, 147 {VIRTCHNL_PROTO_HDR_SCTP, 148 FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_SCTP_SRC_PORT) | 149 FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_SCTP_DST_PORT), 150 ICE_FLOW_HASH_SCTP_PORT}, 151 {VIRTCHNL_PROTO_HDR_PPPOE, 152 FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_PPPOE_SESS_ID), 153 BIT_ULL(ICE_FLOW_FIELD_IDX_PPPOE_SESS_ID)}, 154 {VIRTCHNL_PROTO_HDR_GTPU_IP, 155 FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_GTPU_IP_TEID), 156 BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_IP_TEID)}, 157 {VIRTCHNL_PROTO_HDR_L2TPV3, 158 FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_L2TPV3_SESS_ID), 159 BIT_ULL(ICE_FLOW_FIELD_IDX_L2TPV3_SESS_ID)}, 160 {VIRTCHNL_PROTO_HDR_ESP, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ESP_SPI), 161 BIT_ULL(ICE_FLOW_FIELD_IDX_ESP_SPI)}, 162 {VIRTCHNL_PROTO_HDR_AH, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_AH_SPI), 163 BIT_ULL(ICE_FLOW_FIELD_IDX_AH_SPI)}, 164 {VIRTCHNL_PROTO_HDR_PFCP, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_PFCP_SEID), 165 BIT_ULL(ICE_FLOW_FIELD_IDX_PFCP_SEID)}, 166 }; 167 168 /** 169 * ice_vc_vf_broadcast - Broadcast a message to all VFs on PF 170 * @pf: pointer to the PF structure 171 * @v_opcode: operation code 172 * @v_retval: return value 173 * @msg: pointer to the msg buffer 174 * @msglen: msg length 175 */ 176 static void 177 ice_vc_vf_broadcast(struct ice_pf *pf, enum virtchnl_ops v_opcode, 178 enum virtchnl_status_code v_retval, u8 *msg, u16 msglen) 179 { 180 struct ice_hw *hw = &pf->hw; 181 struct ice_vf *vf; 182 unsigned int bkt; 183 184 mutex_lock(&pf->vfs.table_lock); 185 ice_for_each_vf(pf, bkt, vf) { 186 /* Not all vfs are enabled so skip the ones that are not */ 187 if (!test_bit(ICE_VF_STATE_INIT, vf->vf_states) && 188 !test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) 189 continue; 190 191 /* Ignore return value on purpose - a given VF may fail, but 192 * we need to keep going and send to all of them 193 */ 194 ice_aq_send_msg_to_vf(hw, vf->vf_id, v_opcode, v_retval, msg, 195 msglen, NULL); 196 } 197 mutex_unlock(&pf->vfs.table_lock); 198 } 199 200 /** 201 * ice_set_pfe_link - Set the link speed/status of the virtchnl_pf_event 202 * @vf: pointer to the VF structure 203 * @pfe: pointer to the virtchnl_pf_event to set link speed/status for 204 * @ice_link_speed: link speed specified by ICE_AQ_LINK_SPEED_* 205 * @link_up: whether or not to set the link up/down 206 */ 207 static void 208 ice_set_pfe_link(struct ice_vf *vf, struct virtchnl_pf_event *pfe, 209 int ice_link_speed, bool link_up) 210 { 211 if (vf->driver_caps & VIRTCHNL_VF_CAP_ADV_LINK_SPEED) { 212 pfe->event_data.link_event_adv.link_status = link_up; 213 /* Speed in Mbps */ 214 pfe->event_data.link_event_adv.link_speed = 215 ice_conv_link_speed_to_virtchnl(true, ice_link_speed); 216 } else { 217 pfe->event_data.link_event.link_status = link_up; 218 /* Legacy method for virtchnl link speeds */ 219 pfe->event_data.link_event.link_speed = 220 (enum virtchnl_link_speed) 221 ice_conv_link_speed_to_virtchnl(false, ice_link_speed); 222 } 223 } 224 225 /** 226 * ice_vc_notify_vf_link_state - Inform a VF of link status 227 * @vf: pointer to the VF structure 228 * 229 * send a link status message to a single VF 230 */ 231 void ice_vc_notify_vf_link_state(struct ice_vf *vf) 232 { 233 struct virtchnl_pf_event pfe = { 0 }; 234 struct ice_hw *hw = &vf->pf->hw; 235 236 pfe.event = VIRTCHNL_EVENT_LINK_CHANGE; 237 pfe.severity = PF_EVENT_SEVERITY_INFO; 238 239 if (ice_is_vf_link_up(vf)) 240 ice_set_pfe_link(vf, &pfe, 241 hw->port_info->phy.link_info.link_speed, true); 242 else 243 ice_set_pfe_link(vf, &pfe, ICE_AQ_LINK_SPEED_UNKNOWN, false); 244 245 ice_aq_send_msg_to_vf(hw, vf->vf_id, VIRTCHNL_OP_EVENT, 246 VIRTCHNL_STATUS_SUCCESS, (u8 *)&pfe, 247 sizeof(pfe), NULL); 248 } 249 250 /** 251 * ice_vc_notify_link_state - Inform all VFs on a PF of link status 252 * @pf: pointer to the PF structure 253 */ 254 void ice_vc_notify_link_state(struct ice_pf *pf) 255 { 256 struct ice_vf *vf; 257 unsigned int bkt; 258 259 mutex_lock(&pf->vfs.table_lock); 260 ice_for_each_vf(pf, bkt, vf) 261 ice_vc_notify_vf_link_state(vf); 262 mutex_unlock(&pf->vfs.table_lock); 263 } 264 265 /** 266 * ice_vc_notify_reset - Send pending reset message to all VFs 267 * @pf: pointer to the PF structure 268 * 269 * indicate a pending reset to all VFs on a given PF 270 */ 271 void ice_vc_notify_reset(struct ice_pf *pf) 272 { 273 struct virtchnl_pf_event pfe; 274 275 if (!ice_has_vfs(pf)) 276 return; 277 278 pfe.event = VIRTCHNL_EVENT_RESET_IMPENDING; 279 pfe.severity = PF_EVENT_SEVERITY_CERTAIN_DOOM; 280 ice_vc_vf_broadcast(pf, VIRTCHNL_OP_EVENT, VIRTCHNL_STATUS_SUCCESS, 281 (u8 *)&pfe, sizeof(struct virtchnl_pf_event)); 282 } 283 284 /** 285 * ice_vc_send_msg_to_vf - Send message to VF 286 * @vf: pointer to the VF info 287 * @v_opcode: virtual channel opcode 288 * @v_retval: virtual channel return value 289 * @msg: pointer to the msg buffer 290 * @msglen: msg length 291 * 292 * send msg to VF 293 */ 294 int 295 ice_vc_send_msg_to_vf(struct ice_vf *vf, u32 v_opcode, 296 enum virtchnl_status_code v_retval, u8 *msg, u16 msglen) 297 { 298 struct device *dev; 299 struct ice_pf *pf; 300 int aq_ret; 301 302 pf = vf->pf; 303 dev = ice_pf_to_dev(pf); 304 305 aq_ret = ice_aq_send_msg_to_vf(&pf->hw, vf->vf_id, v_opcode, v_retval, 306 msg, msglen, NULL); 307 if (aq_ret && pf->hw.mailboxq.sq_last_status != ICE_AQ_RC_ENOSYS) { 308 dev_info(dev, "Unable to send the message to VF %d ret %d aq_err %s\n", 309 vf->vf_id, aq_ret, 310 ice_aq_str(pf->hw.mailboxq.sq_last_status)); 311 return -EIO; 312 } 313 314 return 0; 315 } 316 317 /** 318 * ice_vc_get_ver_msg 319 * @vf: pointer to the VF info 320 * @msg: pointer to the msg buffer 321 * 322 * called from the VF to request the API version used by the PF 323 */ 324 static int ice_vc_get_ver_msg(struct ice_vf *vf, u8 *msg) 325 { 326 struct virtchnl_version_info info = { 327 VIRTCHNL_VERSION_MAJOR, VIRTCHNL_VERSION_MINOR 328 }; 329 330 vf->vf_ver = *(struct virtchnl_version_info *)msg; 331 /* VFs running the 1.0 API expect to get 1.0 back or they will cry. */ 332 if (VF_IS_V10(&vf->vf_ver)) 333 info.minor = VIRTCHNL_VERSION_MINOR_NO_VF_CAPS; 334 335 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_VERSION, 336 VIRTCHNL_STATUS_SUCCESS, (u8 *)&info, 337 sizeof(struct virtchnl_version_info)); 338 } 339 340 /** 341 * ice_vc_get_max_frame_size - get max frame size allowed for VF 342 * @vf: VF used to determine max frame size 343 * 344 * Max frame size is determined based on the current port's max frame size and 345 * whether a port VLAN is configured on this VF. The VF is not aware whether 346 * it's in a port VLAN so the PF needs to account for this in max frame size 347 * checks and sending the max frame size to the VF. 348 */ 349 static u16 ice_vc_get_max_frame_size(struct ice_vf *vf) 350 { 351 struct ice_port_info *pi = ice_vf_get_port_info(vf); 352 u16 max_frame_size; 353 354 max_frame_size = pi->phy.link_info.max_frame_size; 355 356 if (ice_vf_is_port_vlan_ena(vf)) 357 max_frame_size -= VLAN_HLEN; 358 359 return max_frame_size; 360 } 361 362 /** 363 * ice_vc_get_vlan_caps 364 * @hw: pointer to the hw 365 * @vf: pointer to the VF info 366 * @vsi: pointer to the VSI 367 * @driver_caps: current driver caps 368 * 369 * Return 0 if there is no VLAN caps supported, or VLAN caps value 370 */ 371 static u32 372 ice_vc_get_vlan_caps(struct ice_hw *hw, struct ice_vf *vf, struct ice_vsi *vsi, 373 u32 driver_caps) 374 { 375 if (ice_is_eswitch_mode_switchdev(vf->pf)) 376 /* In switchdev setting VLAN from VF isn't supported */ 377 return 0; 378 379 if (driver_caps & VIRTCHNL_VF_OFFLOAD_VLAN_V2) { 380 /* VLAN offloads based on current device configuration */ 381 return VIRTCHNL_VF_OFFLOAD_VLAN_V2; 382 } else if (driver_caps & VIRTCHNL_VF_OFFLOAD_VLAN) { 383 /* allow VF to negotiate VIRTCHNL_VF_OFFLOAD explicitly for 384 * these two conditions, which amounts to guest VLAN filtering 385 * and offloads being based on the inner VLAN or the 386 * inner/single VLAN respectively and don't allow VF to 387 * negotiate VIRTCHNL_VF_OFFLOAD in any other cases 388 */ 389 if (ice_is_dvm_ena(hw) && ice_vf_is_port_vlan_ena(vf)) { 390 return VIRTCHNL_VF_OFFLOAD_VLAN; 391 } else if (!ice_is_dvm_ena(hw) && 392 !ice_vf_is_port_vlan_ena(vf)) { 393 /* configure backward compatible support for VFs that 394 * only support VIRTCHNL_VF_OFFLOAD_VLAN, the PF is 395 * configured in SVM, and no port VLAN is configured 396 */ 397 ice_vf_vsi_cfg_svm_legacy_vlan_mode(vsi); 398 return VIRTCHNL_VF_OFFLOAD_VLAN; 399 } else if (ice_is_dvm_ena(hw)) { 400 /* configure software offloaded VLAN support when DVM 401 * is enabled, but no port VLAN is enabled 402 */ 403 ice_vf_vsi_cfg_dvm_legacy_vlan_mode(vsi); 404 } 405 } 406 407 return 0; 408 } 409 410 /** 411 * ice_vc_get_vf_res_msg 412 * @vf: pointer to the VF info 413 * @msg: pointer to the msg buffer 414 * 415 * called from the VF to request its resources 416 */ 417 static int ice_vc_get_vf_res_msg(struct ice_vf *vf, u8 *msg) 418 { 419 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; 420 struct virtchnl_vf_resource *vfres = NULL; 421 struct ice_hw *hw = &vf->pf->hw; 422 struct ice_vsi *vsi; 423 int len = 0; 424 int ret; 425 426 if (ice_check_vf_init(vf)) { 427 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 428 goto err; 429 } 430 431 len = sizeof(struct virtchnl_vf_resource); 432 433 vfres = kzalloc(len, GFP_KERNEL); 434 if (!vfres) { 435 v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY; 436 len = 0; 437 goto err; 438 } 439 if (VF_IS_V11(&vf->vf_ver)) 440 vf->driver_caps = *(u32 *)msg; 441 else 442 vf->driver_caps = VIRTCHNL_VF_OFFLOAD_L2 | 443 VIRTCHNL_VF_OFFLOAD_RSS_REG | 444 VIRTCHNL_VF_OFFLOAD_VLAN; 445 446 vfres->vf_cap_flags = VIRTCHNL_VF_OFFLOAD_L2; 447 vsi = ice_get_vf_vsi(vf); 448 if (!vsi) { 449 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 450 goto err; 451 } 452 453 vfres->vf_cap_flags |= ice_vc_get_vlan_caps(hw, vf, vsi, 454 vf->driver_caps); 455 456 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RSS_PF) { 457 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RSS_PF; 458 } else { 459 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RSS_AQ) 460 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RSS_AQ; 461 else 462 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RSS_REG; 463 } 464 465 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_FDIR_PF) 466 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_FDIR_PF; 467 468 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2) 469 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2; 470 471 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_ENCAP) 472 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_ENCAP; 473 474 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM) 475 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM; 476 477 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RX_POLLING) 478 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RX_POLLING; 479 480 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) 481 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_WB_ON_ITR; 482 483 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_REQ_QUEUES) 484 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_REQ_QUEUES; 485 486 if (vf->driver_caps & VIRTCHNL_VF_CAP_ADV_LINK_SPEED) 487 vfres->vf_cap_flags |= VIRTCHNL_VF_CAP_ADV_LINK_SPEED; 488 489 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF) 490 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF; 491 492 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_USO) 493 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_USO; 494 495 vfres->num_vsis = 1; 496 /* Tx and Rx queue are equal for VF */ 497 vfres->num_queue_pairs = vsi->num_txq; 498 vfres->max_vectors = vf->pf->vfs.num_msix_per; 499 vfres->rss_key_size = ICE_VSIQF_HKEY_ARRAY_SIZE; 500 vfres->rss_lut_size = ICE_VSIQF_HLUT_ARRAY_SIZE; 501 vfres->max_mtu = ice_vc_get_max_frame_size(vf); 502 503 vfres->vsi_res[0].vsi_id = vf->lan_vsi_num; 504 vfres->vsi_res[0].vsi_type = VIRTCHNL_VSI_SRIOV; 505 vfres->vsi_res[0].num_queue_pairs = vsi->num_txq; 506 ether_addr_copy(vfres->vsi_res[0].default_mac_addr, 507 vf->hw_lan_addr.addr); 508 509 /* match guest capabilities */ 510 vf->driver_caps = vfres->vf_cap_flags; 511 512 ice_vc_set_caps_allowlist(vf); 513 ice_vc_set_working_allowlist(vf); 514 515 set_bit(ICE_VF_STATE_ACTIVE, vf->vf_states); 516 517 err: 518 /* send the response back to the VF */ 519 ret = ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_VF_RESOURCES, v_ret, 520 (u8 *)vfres, len); 521 522 kfree(vfres); 523 return ret; 524 } 525 526 /** 527 * ice_vc_reset_vf_msg 528 * @vf: pointer to the VF info 529 * 530 * called from the VF to reset itself, 531 * unlike other virtchnl messages, PF driver 532 * doesn't send the response back to the VF 533 */ 534 static void ice_vc_reset_vf_msg(struct ice_vf *vf) 535 { 536 if (test_bit(ICE_VF_STATE_INIT, vf->vf_states)) 537 ice_reset_vf(vf, 0); 538 } 539 540 /** 541 * ice_vc_isvalid_vsi_id 542 * @vf: pointer to the VF info 543 * @vsi_id: VF relative VSI ID 544 * 545 * check for the valid VSI ID 546 */ 547 bool ice_vc_isvalid_vsi_id(struct ice_vf *vf, u16 vsi_id) 548 { 549 struct ice_pf *pf = vf->pf; 550 struct ice_vsi *vsi; 551 552 vsi = ice_find_vsi(pf, vsi_id); 553 554 return (vsi && (vsi->vf == vf)); 555 } 556 557 /** 558 * ice_vc_isvalid_q_id 559 * @vf: pointer to the VF info 560 * @vsi_id: VSI ID 561 * @qid: VSI relative queue ID 562 * 563 * check for the valid queue ID 564 */ 565 static bool ice_vc_isvalid_q_id(struct ice_vf *vf, u16 vsi_id, u8 qid) 566 { 567 struct ice_vsi *vsi = ice_find_vsi(vf->pf, vsi_id); 568 /* allocated Tx and Rx queues should be always equal for VF VSI */ 569 return (vsi && (qid < vsi->alloc_txq)); 570 } 571 572 /** 573 * ice_vc_isvalid_ring_len 574 * @ring_len: length of ring 575 * 576 * check for the valid ring count, should be multiple of ICE_REQ_DESC_MULTIPLE 577 * or zero 578 */ 579 static bool ice_vc_isvalid_ring_len(u16 ring_len) 580 { 581 return ring_len == 0 || 582 (ring_len >= ICE_MIN_NUM_DESC && 583 ring_len <= ICE_MAX_NUM_DESC && 584 !(ring_len % ICE_REQ_DESC_MULTIPLE)); 585 } 586 587 /** 588 * ice_vc_validate_pattern 589 * @vf: pointer to the VF info 590 * @proto: virtchnl protocol headers 591 * 592 * validate the pattern is supported or not. 593 * 594 * Return: true on success, false on error. 595 */ 596 bool 597 ice_vc_validate_pattern(struct ice_vf *vf, struct virtchnl_proto_hdrs *proto) 598 { 599 bool is_ipv4 = false; 600 bool is_ipv6 = false; 601 bool is_udp = false; 602 u16 ptype = -1; 603 int i = 0; 604 605 while (i < proto->count && 606 proto->proto_hdr[i].type != VIRTCHNL_PROTO_HDR_NONE) { 607 switch (proto->proto_hdr[i].type) { 608 case VIRTCHNL_PROTO_HDR_ETH: 609 ptype = ICE_PTYPE_MAC_PAY; 610 break; 611 case VIRTCHNL_PROTO_HDR_IPV4: 612 ptype = ICE_PTYPE_IPV4_PAY; 613 is_ipv4 = true; 614 break; 615 case VIRTCHNL_PROTO_HDR_IPV6: 616 ptype = ICE_PTYPE_IPV6_PAY; 617 is_ipv6 = true; 618 break; 619 case VIRTCHNL_PROTO_HDR_UDP: 620 if (is_ipv4) 621 ptype = ICE_PTYPE_IPV4_UDP_PAY; 622 else if (is_ipv6) 623 ptype = ICE_PTYPE_IPV6_UDP_PAY; 624 is_udp = true; 625 break; 626 case VIRTCHNL_PROTO_HDR_TCP: 627 if (is_ipv4) 628 ptype = ICE_PTYPE_IPV4_TCP_PAY; 629 else if (is_ipv6) 630 ptype = ICE_PTYPE_IPV6_TCP_PAY; 631 break; 632 case VIRTCHNL_PROTO_HDR_SCTP: 633 if (is_ipv4) 634 ptype = ICE_PTYPE_IPV4_SCTP_PAY; 635 else if (is_ipv6) 636 ptype = ICE_PTYPE_IPV6_SCTP_PAY; 637 break; 638 case VIRTCHNL_PROTO_HDR_GTPU_IP: 639 case VIRTCHNL_PROTO_HDR_GTPU_EH: 640 if (is_ipv4) 641 ptype = ICE_MAC_IPV4_GTPU; 642 else if (is_ipv6) 643 ptype = ICE_MAC_IPV6_GTPU; 644 goto out; 645 case VIRTCHNL_PROTO_HDR_L2TPV3: 646 if (is_ipv4) 647 ptype = ICE_MAC_IPV4_L2TPV3; 648 else if (is_ipv6) 649 ptype = ICE_MAC_IPV6_L2TPV3; 650 goto out; 651 case VIRTCHNL_PROTO_HDR_ESP: 652 if (is_ipv4) 653 ptype = is_udp ? ICE_MAC_IPV4_NAT_T_ESP : 654 ICE_MAC_IPV4_ESP; 655 else if (is_ipv6) 656 ptype = is_udp ? ICE_MAC_IPV6_NAT_T_ESP : 657 ICE_MAC_IPV6_ESP; 658 goto out; 659 case VIRTCHNL_PROTO_HDR_AH: 660 if (is_ipv4) 661 ptype = ICE_MAC_IPV4_AH; 662 else if (is_ipv6) 663 ptype = ICE_MAC_IPV6_AH; 664 goto out; 665 case VIRTCHNL_PROTO_HDR_PFCP: 666 if (is_ipv4) 667 ptype = ICE_MAC_IPV4_PFCP_SESSION; 668 else if (is_ipv6) 669 ptype = ICE_MAC_IPV6_PFCP_SESSION; 670 goto out; 671 default: 672 break; 673 } 674 i++; 675 } 676 677 out: 678 return ice_hw_ptype_ena(&vf->pf->hw, ptype); 679 } 680 681 /** 682 * ice_vc_parse_rss_cfg - parses hash fields and headers from 683 * a specific virtchnl RSS cfg 684 * @hw: pointer to the hardware 685 * @rss_cfg: pointer to the virtchnl RSS cfg 686 * @addl_hdrs: pointer to the protocol header fields (ICE_FLOW_SEG_HDR_*) 687 * to configure 688 * @hash_flds: pointer to the hash bit fields (ICE_FLOW_HASH_*) to configure 689 * 690 * Return true if all the protocol header and hash fields in the RSS cfg could 691 * be parsed, else return false 692 * 693 * This function parses the virtchnl RSS cfg to be the intended 694 * hash fields and the intended header for RSS configuration 695 */ 696 static bool 697 ice_vc_parse_rss_cfg(struct ice_hw *hw, struct virtchnl_rss_cfg *rss_cfg, 698 u32 *addl_hdrs, u64 *hash_flds) 699 { 700 const struct ice_vc_hash_field_match_type *hf_list; 701 const struct ice_vc_hdr_match_type *hdr_list; 702 int i, hf_list_len, hdr_list_len; 703 704 hf_list = ice_vc_hash_field_list; 705 hf_list_len = ARRAY_SIZE(ice_vc_hash_field_list); 706 hdr_list = ice_vc_hdr_list; 707 hdr_list_len = ARRAY_SIZE(ice_vc_hdr_list); 708 709 for (i = 0; i < rss_cfg->proto_hdrs.count; i++) { 710 struct virtchnl_proto_hdr *proto_hdr = 711 &rss_cfg->proto_hdrs.proto_hdr[i]; 712 bool hdr_found = false; 713 int j; 714 715 /* Find matched ice headers according to virtchnl headers. */ 716 for (j = 0; j < hdr_list_len; j++) { 717 struct ice_vc_hdr_match_type hdr_map = hdr_list[j]; 718 719 if (proto_hdr->type == hdr_map.vc_hdr) { 720 *addl_hdrs |= hdr_map.ice_hdr; 721 hdr_found = true; 722 } 723 } 724 725 if (!hdr_found) 726 return false; 727 728 /* Find matched ice hash fields according to 729 * virtchnl hash fields. 730 */ 731 for (j = 0; j < hf_list_len; j++) { 732 struct ice_vc_hash_field_match_type hf_map = hf_list[j]; 733 734 if (proto_hdr->type == hf_map.vc_hdr && 735 proto_hdr->field_selector == hf_map.vc_hash_field) { 736 *hash_flds |= hf_map.ice_hash_field; 737 break; 738 } 739 } 740 } 741 742 return true; 743 } 744 745 /** 746 * ice_vf_adv_rss_offload_ena - determine if capabilities support advanced 747 * RSS offloads 748 * @caps: VF driver negotiated capabilities 749 * 750 * Return true if VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF capability is set, 751 * else return false 752 */ 753 static bool ice_vf_adv_rss_offload_ena(u32 caps) 754 { 755 return !!(caps & VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF); 756 } 757 758 /** 759 * ice_vc_handle_rss_cfg 760 * @vf: pointer to the VF info 761 * @msg: pointer to the message buffer 762 * @add: add a RSS config if true, otherwise delete a RSS config 763 * 764 * This function adds/deletes a RSS config 765 */ 766 static int ice_vc_handle_rss_cfg(struct ice_vf *vf, u8 *msg, bool add) 767 { 768 u32 v_opcode = add ? VIRTCHNL_OP_ADD_RSS_CFG : VIRTCHNL_OP_DEL_RSS_CFG; 769 struct virtchnl_rss_cfg *rss_cfg = (struct virtchnl_rss_cfg *)msg; 770 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; 771 struct device *dev = ice_pf_to_dev(vf->pf); 772 struct ice_hw *hw = &vf->pf->hw; 773 struct ice_vsi *vsi; 774 775 if (!test_bit(ICE_FLAG_RSS_ENA, vf->pf->flags)) { 776 dev_dbg(dev, "VF %d attempting to configure RSS, but RSS is not supported by the PF\n", 777 vf->vf_id); 778 v_ret = VIRTCHNL_STATUS_ERR_NOT_SUPPORTED; 779 goto error_param; 780 } 781 782 if (!ice_vf_adv_rss_offload_ena(vf->driver_caps)) { 783 dev_dbg(dev, "VF %d attempting to configure RSS, but Advanced RSS offload is not supported\n", 784 vf->vf_id); 785 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 786 goto error_param; 787 } 788 789 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { 790 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 791 goto error_param; 792 } 793 794 if (rss_cfg->proto_hdrs.count > VIRTCHNL_MAX_NUM_PROTO_HDRS || 795 rss_cfg->rss_algorithm < VIRTCHNL_RSS_ALG_TOEPLITZ_ASYMMETRIC || 796 rss_cfg->rss_algorithm > VIRTCHNL_RSS_ALG_XOR_SYMMETRIC) { 797 dev_dbg(dev, "VF %d attempting to configure RSS, but RSS configuration is not valid\n", 798 vf->vf_id); 799 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 800 goto error_param; 801 } 802 803 vsi = ice_get_vf_vsi(vf); 804 if (!vsi) { 805 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 806 goto error_param; 807 } 808 809 if (!ice_vc_validate_pattern(vf, &rss_cfg->proto_hdrs)) { 810 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 811 goto error_param; 812 } 813 814 if (rss_cfg->rss_algorithm == VIRTCHNL_RSS_ALG_R_ASYMMETRIC) { 815 struct ice_vsi_ctx *ctx; 816 u8 lut_type, hash_type; 817 int status; 818 819 lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_VSI; 820 hash_type = add ? ICE_AQ_VSI_Q_OPT_RSS_XOR : 821 ICE_AQ_VSI_Q_OPT_RSS_TPLZ; 822 823 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); 824 if (!ctx) { 825 v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY; 826 goto error_param; 827 } 828 829 ctx->info.q_opt_rss = ((lut_type << 830 ICE_AQ_VSI_Q_OPT_RSS_LUT_S) & 831 ICE_AQ_VSI_Q_OPT_RSS_LUT_M) | 832 (hash_type & 833 ICE_AQ_VSI_Q_OPT_RSS_HASH_M); 834 835 /* Preserve existing queueing option setting */ 836 ctx->info.q_opt_rss |= (vsi->info.q_opt_rss & 837 ICE_AQ_VSI_Q_OPT_RSS_GBL_LUT_M); 838 ctx->info.q_opt_tc = vsi->info.q_opt_tc; 839 ctx->info.q_opt_flags = vsi->info.q_opt_rss; 840 841 ctx->info.valid_sections = 842 cpu_to_le16(ICE_AQ_VSI_PROP_Q_OPT_VALID); 843 844 status = ice_update_vsi(hw, vsi->idx, ctx, NULL); 845 if (status) { 846 dev_err(dev, "update VSI for RSS failed, err %d aq_err %s\n", 847 status, ice_aq_str(hw->adminq.sq_last_status)); 848 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 849 } else { 850 vsi->info.q_opt_rss = ctx->info.q_opt_rss; 851 } 852 853 kfree(ctx); 854 } else { 855 u32 addl_hdrs = ICE_FLOW_SEG_HDR_NONE; 856 u64 hash_flds = ICE_HASH_INVALID; 857 858 if (!ice_vc_parse_rss_cfg(hw, rss_cfg, &addl_hdrs, 859 &hash_flds)) { 860 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 861 goto error_param; 862 } 863 864 if (add) { 865 if (ice_add_rss_cfg(hw, vsi->idx, hash_flds, 866 addl_hdrs)) { 867 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 868 dev_err(dev, "ice_add_rss_cfg failed for vsi = %d, v_ret = %d\n", 869 vsi->vsi_num, v_ret); 870 } 871 } else { 872 int status; 873 874 status = ice_rem_rss_cfg(hw, vsi->idx, hash_flds, 875 addl_hdrs); 876 /* We just ignore -ENOENT, because if two configurations 877 * share the same profile remove one of them actually 878 * removes both, since the profile is deleted. 879 */ 880 if (status && status != -ENOENT) { 881 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 882 dev_err(dev, "ice_rem_rss_cfg failed for VF ID:%d, error:%d\n", 883 vf->vf_id, status); 884 } 885 } 886 } 887 888 error_param: 889 return ice_vc_send_msg_to_vf(vf, v_opcode, v_ret, NULL, 0); 890 } 891 892 /** 893 * ice_vc_config_rss_key 894 * @vf: pointer to the VF info 895 * @msg: pointer to the msg buffer 896 * 897 * Configure the VF's RSS key 898 */ 899 static int ice_vc_config_rss_key(struct ice_vf *vf, u8 *msg) 900 { 901 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; 902 struct virtchnl_rss_key *vrk = 903 (struct virtchnl_rss_key *)msg; 904 struct ice_vsi *vsi; 905 906 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { 907 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 908 goto error_param; 909 } 910 911 if (!ice_vc_isvalid_vsi_id(vf, vrk->vsi_id)) { 912 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 913 goto error_param; 914 } 915 916 if (vrk->key_len != ICE_VSIQF_HKEY_ARRAY_SIZE) { 917 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 918 goto error_param; 919 } 920 921 if (!test_bit(ICE_FLAG_RSS_ENA, vf->pf->flags)) { 922 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 923 goto error_param; 924 } 925 926 vsi = ice_get_vf_vsi(vf); 927 if (!vsi) { 928 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 929 goto error_param; 930 } 931 932 if (ice_set_rss_key(vsi, vrk->key)) 933 v_ret = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR; 934 error_param: 935 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_RSS_KEY, v_ret, 936 NULL, 0); 937 } 938 939 /** 940 * ice_vc_config_rss_lut 941 * @vf: pointer to the VF info 942 * @msg: pointer to the msg buffer 943 * 944 * Configure the VF's RSS LUT 945 */ 946 static int ice_vc_config_rss_lut(struct ice_vf *vf, u8 *msg) 947 { 948 struct virtchnl_rss_lut *vrl = (struct virtchnl_rss_lut *)msg; 949 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; 950 struct ice_vsi *vsi; 951 952 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { 953 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 954 goto error_param; 955 } 956 957 if (!ice_vc_isvalid_vsi_id(vf, vrl->vsi_id)) { 958 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 959 goto error_param; 960 } 961 962 if (vrl->lut_entries != ICE_VSIQF_HLUT_ARRAY_SIZE) { 963 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 964 goto error_param; 965 } 966 967 if (!test_bit(ICE_FLAG_RSS_ENA, vf->pf->flags)) { 968 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 969 goto error_param; 970 } 971 972 vsi = ice_get_vf_vsi(vf); 973 if (!vsi) { 974 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 975 goto error_param; 976 } 977 978 if (ice_set_rss_lut(vsi, vrl->lut, ICE_VSIQF_HLUT_ARRAY_SIZE)) 979 v_ret = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR; 980 error_param: 981 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_RSS_LUT, v_ret, 982 NULL, 0); 983 } 984 985 /** 986 * ice_vc_cfg_promiscuous_mode_msg 987 * @vf: pointer to the VF info 988 * @msg: pointer to the msg buffer 989 * 990 * called from the VF to configure VF VSIs promiscuous mode 991 */ 992 static int ice_vc_cfg_promiscuous_mode_msg(struct ice_vf *vf, u8 *msg) 993 { 994 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; 995 bool rm_promisc, alluni = false, allmulti = false; 996 struct virtchnl_promisc_info *info = 997 (struct virtchnl_promisc_info *)msg; 998 struct ice_vsi_vlan_ops *vlan_ops; 999 int mcast_err = 0, ucast_err = 0; 1000 struct ice_pf *pf = vf->pf; 1001 struct ice_vsi *vsi; 1002 struct device *dev; 1003 int ret = 0; 1004 1005 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { 1006 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1007 goto error_param; 1008 } 1009 1010 if (!ice_vc_isvalid_vsi_id(vf, info->vsi_id)) { 1011 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1012 goto error_param; 1013 } 1014 1015 vsi = ice_get_vf_vsi(vf); 1016 if (!vsi) { 1017 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1018 goto error_param; 1019 } 1020 1021 dev = ice_pf_to_dev(pf); 1022 if (!ice_is_vf_trusted(vf)) { 1023 dev_err(dev, "Unprivileged VF %d is attempting to configure promiscuous mode\n", 1024 vf->vf_id); 1025 /* Leave v_ret alone, lie to the VF on purpose. */ 1026 goto error_param; 1027 } 1028 1029 if (info->flags & FLAG_VF_UNICAST_PROMISC) 1030 alluni = true; 1031 1032 if (info->flags & FLAG_VF_MULTICAST_PROMISC) 1033 allmulti = true; 1034 1035 rm_promisc = !allmulti && !alluni; 1036 1037 vlan_ops = ice_get_compat_vsi_vlan_ops(vsi); 1038 if (rm_promisc) 1039 ret = vlan_ops->ena_rx_filtering(vsi); 1040 else 1041 ret = vlan_ops->dis_rx_filtering(vsi); 1042 if (ret) { 1043 dev_err(dev, "Failed to configure VLAN pruning in promiscuous mode\n"); 1044 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1045 goto error_param; 1046 } 1047 1048 if (!test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags)) { 1049 bool set_dflt_vsi = alluni || allmulti; 1050 1051 if (set_dflt_vsi && !ice_is_dflt_vsi_in_use(pf->first_sw)) 1052 /* only attempt to set the default forwarding VSI if 1053 * it's not currently set 1054 */ 1055 ret = ice_set_dflt_vsi(pf->first_sw, vsi); 1056 else if (!set_dflt_vsi && 1057 ice_is_vsi_dflt_vsi(pf->first_sw, vsi)) 1058 /* only attempt to free the default forwarding VSI if we 1059 * are the owner 1060 */ 1061 ret = ice_clear_dflt_vsi(pf->first_sw); 1062 1063 if (ret) { 1064 dev_err(dev, "%sable VF %d as the default VSI failed, error %d\n", 1065 set_dflt_vsi ? "en" : "dis", vf->vf_id, ret); 1066 v_ret = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR; 1067 goto error_param; 1068 } 1069 } else { 1070 u8 mcast_m, ucast_m; 1071 1072 if (ice_vf_is_port_vlan_ena(vf) || 1073 ice_vsi_has_non_zero_vlans(vsi)) { 1074 mcast_m = ICE_MCAST_VLAN_PROMISC_BITS; 1075 ucast_m = ICE_UCAST_VLAN_PROMISC_BITS; 1076 } else { 1077 mcast_m = ICE_MCAST_PROMISC_BITS; 1078 ucast_m = ICE_UCAST_PROMISC_BITS; 1079 } 1080 1081 if (alluni) 1082 ucast_err = ice_vf_set_vsi_promisc(vf, vsi, ucast_m); 1083 else 1084 ucast_err = ice_vf_clear_vsi_promisc(vf, vsi, ucast_m); 1085 1086 if (allmulti) 1087 mcast_err = ice_vf_set_vsi_promisc(vf, vsi, mcast_m); 1088 else 1089 mcast_err = ice_vf_clear_vsi_promisc(vf, vsi, mcast_m); 1090 1091 if (ucast_err || mcast_err) 1092 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1093 } 1094 1095 if (!mcast_err) { 1096 if (allmulti && 1097 !test_and_set_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states)) 1098 dev_info(dev, "VF %u successfully set multicast promiscuous mode\n", 1099 vf->vf_id); 1100 else if (!allmulti && 1101 test_and_clear_bit(ICE_VF_STATE_MC_PROMISC, 1102 vf->vf_states)) 1103 dev_info(dev, "VF %u successfully unset multicast promiscuous mode\n", 1104 vf->vf_id); 1105 } 1106 1107 if (!ucast_err) { 1108 if (alluni && 1109 !test_and_set_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states)) 1110 dev_info(dev, "VF %u successfully set unicast promiscuous mode\n", 1111 vf->vf_id); 1112 else if (!alluni && 1113 test_and_clear_bit(ICE_VF_STATE_UC_PROMISC, 1114 vf->vf_states)) 1115 dev_info(dev, "VF %u successfully unset unicast promiscuous mode\n", 1116 vf->vf_id); 1117 } 1118 1119 error_param: 1120 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, 1121 v_ret, NULL, 0); 1122 } 1123 1124 /** 1125 * ice_vc_get_stats_msg 1126 * @vf: pointer to the VF info 1127 * @msg: pointer to the msg buffer 1128 * 1129 * called from the VF to get VSI stats 1130 */ 1131 static int ice_vc_get_stats_msg(struct ice_vf *vf, u8 *msg) 1132 { 1133 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; 1134 struct virtchnl_queue_select *vqs = 1135 (struct virtchnl_queue_select *)msg; 1136 struct ice_eth_stats stats = { 0 }; 1137 struct ice_vsi *vsi; 1138 1139 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { 1140 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1141 goto error_param; 1142 } 1143 1144 if (!ice_vc_isvalid_vsi_id(vf, vqs->vsi_id)) { 1145 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1146 goto error_param; 1147 } 1148 1149 vsi = ice_get_vf_vsi(vf); 1150 if (!vsi) { 1151 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1152 goto error_param; 1153 } 1154 1155 ice_update_eth_stats(vsi); 1156 1157 stats = vsi->eth_stats; 1158 1159 error_param: 1160 /* send the response to the VF */ 1161 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_STATS, v_ret, 1162 (u8 *)&stats, sizeof(stats)); 1163 } 1164 1165 /** 1166 * ice_vc_validate_vqs_bitmaps - validate Rx/Tx queue bitmaps from VIRTCHNL 1167 * @vqs: virtchnl_queue_select structure containing bitmaps to validate 1168 * 1169 * Return true on successful validation, else false 1170 */ 1171 static bool ice_vc_validate_vqs_bitmaps(struct virtchnl_queue_select *vqs) 1172 { 1173 if ((!vqs->rx_queues && !vqs->tx_queues) || 1174 vqs->rx_queues >= BIT(ICE_MAX_RSS_QS_PER_VF) || 1175 vqs->tx_queues >= BIT(ICE_MAX_RSS_QS_PER_VF)) 1176 return false; 1177 1178 return true; 1179 } 1180 1181 /** 1182 * ice_vf_ena_txq_interrupt - enable Tx queue interrupt via QINT_TQCTL 1183 * @vsi: VSI of the VF to configure 1184 * @q_idx: VF queue index used to determine the queue in the PF's space 1185 */ 1186 static void ice_vf_ena_txq_interrupt(struct ice_vsi *vsi, u32 q_idx) 1187 { 1188 struct ice_hw *hw = &vsi->back->hw; 1189 u32 pfq = vsi->txq_map[q_idx]; 1190 u32 reg; 1191 1192 reg = rd32(hw, QINT_TQCTL(pfq)); 1193 1194 /* MSI-X index 0 in the VF's space is always for the OICR, which means 1195 * this is most likely a poll mode VF driver, so don't enable an 1196 * interrupt that was never configured via VIRTCHNL_OP_CONFIG_IRQ_MAP 1197 */ 1198 if (!(reg & QINT_TQCTL_MSIX_INDX_M)) 1199 return; 1200 1201 wr32(hw, QINT_TQCTL(pfq), reg | QINT_TQCTL_CAUSE_ENA_M); 1202 } 1203 1204 /** 1205 * ice_vf_ena_rxq_interrupt - enable Tx queue interrupt via QINT_RQCTL 1206 * @vsi: VSI of the VF to configure 1207 * @q_idx: VF queue index used to determine the queue in the PF's space 1208 */ 1209 static void ice_vf_ena_rxq_interrupt(struct ice_vsi *vsi, u32 q_idx) 1210 { 1211 struct ice_hw *hw = &vsi->back->hw; 1212 u32 pfq = vsi->rxq_map[q_idx]; 1213 u32 reg; 1214 1215 reg = rd32(hw, QINT_RQCTL(pfq)); 1216 1217 /* MSI-X index 0 in the VF's space is always for the OICR, which means 1218 * this is most likely a poll mode VF driver, so don't enable an 1219 * interrupt that was never configured via VIRTCHNL_OP_CONFIG_IRQ_MAP 1220 */ 1221 if (!(reg & QINT_RQCTL_MSIX_INDX_M)) 1222 return; 1223 1224 wr32(hw, QINT_RQCTL(pfq), reg | QINT_RQCTL_CAUSE_ENA_M); 1225 } 1226 1227 /** 1228 * ice_vc_ena_qs_msg 1229 * @vf: pointer to the VF info 1230 * @msg: pointer to the msg buffer 1231 * 1232 * called from the VF to enable all or specific queue(s) 1233 */ 1234 static int ice_vc_ena_qs_msg(struct ice_vf *vf, u8 *msg) 1235 { 1236 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; 1237 struct virtchnl_queue_select *vqs = 1238 (struct virtchnl_queue_select *)msg; 1239 struct ice_vsi *vsi; 1240 unsigned long q_map; 1241 u16 vf_q_id; 1242 1243 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { 1244 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1245 goto error_param; 1246 } 1247 1248 if (!ice_vc_isvalid_vsi_id(vf, vqs->vsi_id)) { 1249 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1250 goto error_param; 1251 } 1252 1253 if (!ice_vc_validate_vqs_bitmaps(vqs)) { 1254 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1255 goto error_param; 1256 } 1257 1258 vsi = ice_get_vf_vsi(vf); 1259 if (!vsi) { 1260 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1261 goto error_param; 1262 } 1263 1264 /* Enable only Rx rings, Tx rings were enabled by the FW when the 1265 * Tx queue group list was configured and the context bits were 1266 * programmed using ice_vsi_cfg_txqs 1267 */ 1268 q_map = vqs->rx_queues; 1269 for_each_set_bit(vf_q_id, &q_map, ICE_MAX_RSS_QS_PER_VF) { 1270 if (!ice_vc_isvalid_q_id(vf, vqs->vsi_id, vf_q_id)) { 1271 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1272 goto error_param; 1273 } 1274 1275 /* Skip queue if enabled */ 1276 if (test_bit(vf_q_id, vf->rxq_ena)) 1277 continue; 1278 1279 if (ice_vsi_ctrl_one_rx_ring(vsi, true, vf_q_id, true)) { 1280 dev_err(ice_pf_to_dev(vsi->back), "Failed to enable Rx ring %d on VSI %d\n", 1281 vf_q_id, vsi->vsi_num); 1282 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1283 goto error_param; 1284 } 1285 1286 ice_vf_ena_rxq_interrupt(vsi, vf_q_id); 1287 set_bit(vf_q_id, vf->rxq_ena); 1288 } 1289 1290 q_map = vqs->tx_queues; 1291 for_each_set_bit(vf_q_id, &q_map, ICE_MAX_RSS_QS_PER_VF) { 1292 if (!ice_vc_isvalid_q_id(vf, vqs->vsi_id, vf_q_id)) { 1293 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1294 goto error_param; 1295 } 1296 1297 /* Skip queue if enabled */ 1298 if (test_bit(vf_q_id, vf->txq_ena)) 1299 continue; 1300 1301 ice_vf_ena_txq_interrupt(vsi, vf_q_id); 1302 set_bit(vf_q_id, vf->txq_ena); 1303 } 1304 1305 /* Set flag to indicate that queues are enabled */ 1306 if (v_ret == VIRTCHNL_STATUS_SUCCESS) 1307 set_bit(ICE_VF_STATE_QS_ENA, vf->vf_states); 1308 1309 error_param: 1310 /* send the response to the VF */ 1311 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ENABLE_QUEUES, v_ret, 1312 NULL, 0); 1313 } 1314 1315 /** 1316 * ice_vf_vsi_dis_single_txq - disable a single Tx queue 1317 * @vf: VF to disable queue for 1318 * @vsi: VSI for the VF 1319 * @q_id: VF relative (0-based) queue ID 1320 * 1321 * Attempt to disable the Tx queue passed in. If the Tx queue was successfully 1322 * disabled then clear q_id bit in the enabled queues bitmap and return 1323 * success. Otherwise return error. 1324 */ 1325 static int 1326 ice_vf_vsi_dis_single_txq(struct ice_vf *vf, struct ice_vsi *vsi, u16 q_id) 1327 { 1328 struct ice_txq_meta txq_meta = { 0 }; 1329 struct ice_tx_ring *ring; 1330 int err; 1331 1332 if (!test_bit(q_id, vf->txq_ena)) 1333 dev_dbg(ice_pf_to_dev(vsi->back), "Queue %u on VSI %u is not enabled, but stopping it anyway\n", 1334 q_id, vsi->vsi_num); 1335 1336 ring = vsi->tx_rings[q_id]; 1337 if (!ring) 1338 return -EINVAL; 1339 1340 ice_fill_txq_meta(vsi, ring, &txq_meta); 1341 1342 err = ice_vsi_stop_tx_ring(vsi, ICE_NO_RESET, vf->vf_id, ring, &txq_meta); 1343 if (err) { 1344 dev_err(ice_pf_to_dev(vsi->back), "Failed to stop Tx ring %d on VSI %d\n", 1345 q_id, vsi->vsi_num); 1346 return err; 1347 } 1348 1349 /* Clear enabled queues flag */ 1350 clear_bit(q_id, vf->txq_ena); 1351 1352 return 0; 1353 } 1354 1355 /** 1356 * ice_vc_dis_qs_msg 1357 * @vf: pointer to the VF info 1358 * @msg: pointer to the msg buffer 1359 * 1360 * called from the VF to disable all or specific queue(s) 1361 */ 1362 static int ice_vc_dis_qs_msg(struct ice_vf *vf, u8 *msg) 1363 { 1364 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; 1365 struct virtchnl_queue_select *vqs = 1366 (struct virtchnl_queue_select *)msg; 1367 struct ice_vsi *vsi; 1368 unsigned long q_map; 1369 u16 vf_q_id; 1370 1371 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states) && 1372 !test_bit(ICE_VF_STATE_QS_ENA, vf->vf_states)) { 1373 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1374 goto error_param; 1375 } 1376 1377 if (!ice_vc_isvalid_vsi_id(vf, vqs->vsi_id)) { 1378 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1379 goto error_param; 1380 } 1381 1382 if (!ice_vc_validate_vqs_bitmaps(vqs)) { 1383 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1384 goto error_param; 1385 } 1386 1387 vsi = ice_get_vf_vsi(vf); 1388 if (!vsi) { 1389 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1390 goto error_param; 1391 } 1392 1393 if (vqs->tx_queues) { 1394 q_map = vqs->tx_queues; 1395 1396 for_each_set_bit(vf_q_id, &q_map, ICE_MAX_RSS_QS_PER_VF) { 1397 if (!ice_vc_isvalid_q_id(vf, vqs->vsi_id, vf_q_id)) { 1398 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1399 goto error_param; 1400 } 1401 1402 if (ice_vf_vsi_dis_single_txq(vf, vsi, vf_q_id)) { 1403 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1404 goto error_param; 1405 } 1406 } 1407 } 1408 1409 q_map = vqs->rx_queues; 1410 /* speed up Rx queue disable by batching them if possible */ 1411 if (q_map && 1412 bitmap_equal(&q_map, vf->rxq_ena, ICE_MAX_RSS_QS_PER_VF)) { 1413 if (ice_vsi_stop_all_rx_rings(vsi)) { 1414 dev_err(ice_pf_to_dev(vsi->back), "Failed to stop all Rx rings on VSI %d\n", 1415 vsi->vsi_num); 1416 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1417 goto error_param; 1418 } 1419 1420 bitmap_zero(vf->rxq_ena, ICE_MAX_RSS_QS_PER_VF); 1421 } else if (q_map) { 1422 for_each_set_bit(vf_q_id, &q_map, ICE_MAX_RSS_QS_PER_VF) { 1423 if (!ice_vc_isvalid_q_id(vf, vqs->vsi_id, vf_q_id)) { 1424 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1425 goto error_param; 1426 } 1427 1428 /* Skip queue if not enabled */ 1429 if (!test_bit(vf_q_id, vf->rxq_ena)) 1430 continue; 1431 1432 if (ice_vsi_ctrl_one_rx_ring(vsi, false, vf_q_id, 1433 true)) { 1434 dev_err(ice_pf_to_dev(vsi->back), "Failed to stop Rx ring %d on VSI %d\n", 1435 vf_q_id, vsi->vsi_num); 1436 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1437 goto error_param; 1438 } 1439 1440 /* Clear enabled queues flag */ 1441 clear_bit(vf_q_id, vf->rxq_ena); 1442 } 1443 } 1444 1445 /* Clear enabled queues flag */ 1446 if (v_ret == VIRTCHNL_STATUS_SUCCESS && ice_vf_has_no_qs_ena(vf)) 1447 clear_bit(ICE_VF_STATE_QS_ENA, vf->vf_states); 1448 1449 error_param: 1450 /* send the response to the VF */ 1451 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DISABLE_QUEUES, v_ret, 1452 NULL, 0); 1453 } 1454 1455 /** 1456 * ice_cfg_interrupt 1457 * @vf: pointer to the VF info 1458 * @vsi: the VSI being configured 1459 * @vector_id: vector ID 1460 * @map: vector map for mapping vectors to queues 1461 * @q_vector: structure for interrupt vector 1462 * configure the IRQ to queue map 1463 */ 1464 static int 1465 ice_cfg_interrupt(struct ice_vf *vf, struct ice_vsi *vsi, u16 vector_id, 1466 struct virtchnl_vector_map *map, 1467 struct ice_q_vector *q_vector) 1468 { 1469 u16 vsi_q_id, vsi_q_id_idx; 1470 unsigned long qmap; 1471 1472 q_vector->num_ring_rx = 0; 1473 q_vector->num_ring_tx = 0; 1474 1475 qmap = map->rxq_map; 1476 for_each_set_bit(vsi_q_id_idx, &qmap, ICE_MAX_RSS_QS_PER_VF) { 1477 vsi_q_id = vsi_q_id_idx; 1478 1479 if (!ice_vc_isvalid_q_id(vf, vsi->vsi_num, vsi_q_id)) 1480 return VIRTCHNL_STATUS_ERR_PARAM; 1481 1482 q_vector->num_ring_rx++; 1483 q_vector->rx.itr_idx = map->rxitr_idx; 1484 vsi->rx_rings[vsi_q_id]->q_vector = q_vector; 1485 ice_cfg_rxq_interrupt(vsi, vsi_q_id, vector_id, 1486 q_vector->rx.itr_idx); 1487 } 1488 1489 qmap = map->txq_map; 1490 for_each_set_bit(vsi_q_id_idx, &qmap, ICE_MAX_RSS_QS_PER_VF) { 1491 vsi_q_id = vsi_q_id_idx; 1492 1493 if (!ice_vc_isvalid_q_id(vf, vsi->vsi_num, vsi_q_id)) 1494 return VIRTCHNL_STATUS_ERR_PARAM; 1495 1496 q_vector->num_ring_tx++; 1497 q_vector->tx.itr_idx = map->txitr_idx; 1498 vsi->tx_rings[vsi_q_id]->q_vector = q_vector; 1499 ice_cfg_txq_interrupt(vsi, vsi_q_id, vector_id, 1500 q_vector->tx.itr_idx); 1501 } 1502 1503 return VIRTCHNL_STATUS_SUCCESS; 1504 } 1505 1506 /** 1507 * ice_vc_cfg_irq_map_msg 1508 * @vf: pointer to the VF info 1509 * @msg: pointer to the msg buffer 1510 * 1511 * called from the VF to configure the IRQ to queue map 1512 */ 1513 static int ice_vc_cfg_irq_map_msg(struct ice_vf *vf, u8 *msg) 1514 { 1515 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; 1516 u16 num_q_vectors_mapped, vsi_id, vector_id; 1517 struct virtchnl_irq_map_info *irqmap_info; 1518 struct virtchnl_vector_map *map; 1519 struct ice_pf *pf = vf->pf; 1520 struct ice_vsi *vsi; 1521 int i; 1522 1523 irqmap_info = (struct virtchnl_irq_map_info *)msg; 1524 num_q_vectors_mapped = irqmap_info->num_vectors; 1525 1526 /* Check to make sure number of VF vectors mapped is not greater than 1527 * number of VF vectors originally allocated, and check that 1528 * there is actually at least a single VF queue vector mapped 1529 */ 1530 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states) || 1531 pf->vfs.num_msix_per < num_q_vectors_mapped || 1532 !num_q_vectors_mapped) { 1533 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1534 goto error_param; 1535 } 1536 1537 vsi = ice_get_vf_vsi(vf); 1538 if (!vsi) { 1539 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1540 goto error_param; 1541 } 1542 1543 for (i = 0; i < num_q_vectors_mapped; i++) { 1544 struct ice_q_vector *q_vector; 1545 1546 map = &irqmap_info->vecmap[i]; 1547 1548 vector_id = map->vector_id; 1549 vsi_id = map->vsi_id; 1550 /* vector_id is always 0-based for each VF, and can never be 1551 * larger than or equal to the max allowed interrupts per VF 1552 */ 1553 if (!(vector_id < pf->vfs.num_msix_per) || 1554 !ice_vc_isvalid_vsi_id(vf, vsi_id) || 1555 (!vector_id && (map->rxq_map || map->txq_map))) { 1556 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1557 goto error_param; 1558 } 1559 1560 /* No need to map VF miscellaneous or rogue vector */ 1561 if (!vector_id) 1562 continue; 1563 1564 /* Subtract non queue vector from vector_id passed by VF 1565 * to get actual number of VSI queue vector array index 1566 */ 1567 q_vector = vsi->q_vectors[vector_id - ICE_NONQ_VECS_VF]; 1568 if (!q_vector) { 1569 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1570 goto error_param; 1571 } 1572 1573 /* lookout for the invalid queue index */ 1574 v_ret = (enum virtchnl_status_code) 1575 ice_cfg_interrupt(vf, vsi, vector_id, map, q_vector); 1576 if (v_ret) 1577 goto error_param; 1578 } 1579 1580 error_param: 1581 /* send the response to the VF */ 1582 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_IRQ_MAP, v_ret, 1583 NULL, 0); 1584 } 1585 1586 /** 1587 * ice_vc_cfg_qs_msg 1588 * @vf: pointer to the VF info 1589 * @msg: pointer to the msg buffer 1590 * 1591 * called from the VF to configure the Rx/Tx queues 1592 */ 1593 static int ice_vc_cfg_qs_msg(struct ice_vf *vf, u8 *msg) 1594 { 1595 struct virtchnl_vsi_queue_config_info *qci = 1596 (struct virtchnl_vsi_queue_config_info *)msg; 1597 struct virtchnl_queue_pair_info *qpi; 1598 struct ice_pf *pf = vf->pf; 1599 struct ice_vsi *vsi; 1600 int i = -1, q_idx; 1601 1602 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) 1603 goto error_param; 1604 1605 if (!ice_vc_isvalid_vsi_id(vf, qci->vsi_id)) 1606 goto error_param; 1607 1608 vsi = ice_get_vf_vsi(vf); 1609 if (!vsi) 1610 goto error_param; 1611 1612 if (qci->num_queue_pairs > ICE_MAX_RSS_QS_PER_VF || 1613 qci->num_queue_pairs > min_t(u16, vsi->alloc_txq, vsi->alloc_rxq)) { 1614 dev_err(ice_pf_to_dev(pf), "VF-%d requesting more than supported number of queues: %d\n", 1615 vf->vf_id, min_t(u16, vsi->alloc_txq, vsi->alloc_rxq)); 1616 goto error_param; 1617 } 1618 1619 for (i = 0; i < qci->num_queue_pairs; i++) { 1620 qpi = &qci->qpair[i]; 1621 if (qpi->txq.vsi_id != qci->vsi_id || 1622 qpi->rxq.vsi_id != qci->vsi_id || 1623 qpi->rxq.queue_id != qpi->txq.queue_id || 1624 qpi->txq.headwb_enabled || 1625 !ice_vc_isvalid_ring_len(qpi->txq.ring_len) || 1626 !ice_vc_isvalid_ring_len(qpi->rxq.ring_len) || 1627 !ice_vc_isvalid_q_id(vf, qci->vsi_id, qpi->txq.queue_id)) { 1628 goto error_param; 1629 } 1630 1631 q_idx = qpi->rxq.queue_id; 1632 1633 /* make sure selected "q_idx" is in valid range of queues 1634 * for selected "vsi" 1635 */ 1636 if (q_idx >= vsi->alloc_txq || q_idx >= vsi->alloc_rxq) { 1637 goto error_param; 1638 } 1639 1640 /* copy Tx queue info from VF into VSI */ 1641 if (qpi->txq.ring_len > 0) { 1642 vsi->tx_rings[i]->dma = qpi->txq.dma_ring_addr; 1643 vsi->tx_rings[i]->count = qpi->txq.ring_len; 1644 1645 /* Disable any existing queue first */ 1646 if (ice_vf_vsi_dis_single_txq(vf, vsi, q_idx)) 1647 goto error_param; 1648 1649 /* Configure a queue with the requested settings */ 1650 if (ice_vsi_cfg_single_txq(vsi, vsi->tx_rings, q_idx)) { 1651 dev_warn(ice_pf_to_dev(pf), "VF-%d failed to configure TX queue %d\n", 1652 vf->vf_id, i); 1653 goto error_param; 1654 } 1655 } 1656 1657 /* copy Rx queue info from VF into VSI */ 1658 if (qpi->rxq.ring_len > 0) { 1659 u16 max_frame_size = ice_vc_get_max_frame_size(vf); 1660 1661 vsi->rx_rings[i]->dma = qpi->rxq.dma_ring_addr; 1662 vsi->rx_rings[i]->count = qpi->rxq.ring_len; 1663 1664 if (qpi->rxq.databuffer_size != 0 && 1665 (qpi->rxq.databuffer_size > ((16 * 1024) - 128) || 1666 qpi->rxq.databuffer_size < 1024)) 1667 goto error_param; 1668 vsi->rx_buf_len = qpi->rxq.databuffer_size; 1669 vsi->rx_rings[i]->rx_buf_len = vsi->rx_buf_len; 1670 if (qpi->rxq.max_pkt_size > max_frame_size || 1671 qpi->rxq.max_pkt_size < 64) 1672 goto error_param; 1673 1674 vsi->max_frame = qpi->rxq.max_pkt_size; 1675 /* add space for the port VLAN since the VF driver is 1676 * not expected to account for it in the MTU 1677 * calculation 1678 */ 1679 if (ice_vf_is_port_vlan_ena(vf)) 1680 vsi->max_frame += VLAN_HLEN; 1681 1682 if (ice_vsi_cfg_single_rxq(vsi, q_idx)) { 1683 dev_warn(ice_pf_to_dev(pf), "VF-%d failed to configure RX queue %d\n", 1684 vf->vf_id, i); 1685 goto error_param; 1686 } 1687 } 1688 } 1689 1690 /* send the response to the VF */ 1691 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_VSI_QUEUES, 1692 VIRTCHNL_STATUS_SUCCESS, NULL, 0); 1693 error_param: 1694 /* disable whatever we can */ 1695 for (; i >= 0; i--) { 1696 if (ice_vsi_ctrl_one_rx_ring(vsi, false, i, true)) 1697 dev_err(ice_pf_to_dev(pf), "VF-%d could not disable RX queue %d\n", 1698 vf->vf_id, i); 1699 if (ice_vf_vsi_dis_single_txq(vf, vsi, i)) 1700 dev_err(ice_pf_to_dev(pf), "VF-%d could not disable TX queue %d\n", 1701 vf->vf_id, i); 1702 } 1703 1704 /* send the response to the VF */ 1705 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_VSI_QUEUES, 1706 VIRTCHNL_STATUS_ERR_PARAM, NULL, 0); 1707 } 1708 1709 /** 1710 * ice_can_vf_change_mac 1711 * @vf: pointer to the VF info 1712 * 1713 * Return true if the VF is allowed to change its MAC filters, false otherwise 1714 */ 1715 static bool ice_can_vf_change_mac(struct ice_vf *vf) 1716 { 1717 /* If the VF MAC address has been set administratively (via the 1718 * ndo_set_vf_mac command), then deny permission to the VF to 1719 * add/delete unicast MAC addresses, unless the VF is trusted 1720 */ 1721 if (vf->pf_set_mac && !ice_is_vf_trusted(vf)) 1722 return false; 1723 1724 return true; 1725 } 1726 1727 /** 1728 * ice_vc_ether_addr_type - get type of virtchnl_ether_addr 1729 * @vc_ether_addr: used to extract the type 1730 */ 1731 static u8 1732 ice_vc_ether_addr_type(struct virtchnl_ether_addr *vc_ether_addr) 1733 { 1734 return (vc_ether_addr->type & VIRTCHNL_ETHER_ADDR_TYPE_MASK); 1735 } 1736 1737 /** 1738 * ice_is_vc_addr_legacy - check if the MAC address is from an older VF 1739 * @vc_ether_addr: VIRTCHNL structure that contains MAC and type 1740 */ 1741 static bool 1742 ice_is_vc_addr_legacy(struct virtchnl_ether_addr *vc_ether_addr) 1743 { 1744 u8 type = ice_vc_ether_addr_type(vc_ether_addr); 1745 1746 return (type == VIRTCHNL_ETHER_ADDR_LEGACY); 1747 } 1748 1749 /** 1750 * ice_is_vc_addr_primary - check if the MAC address is the VF's primary MAC 1751 * @vc_ether_addr: VIRTCHNL structure that contains MAC and type 1752 * 1753 * This function should only be called when the MAC address in 1754 * virtchnl_ether_addr is a valid unicast MAC 1755 */ 1756 static bool 1757 ice_is_vc_addr_primary(struct virtchnl_ether_addr __maybe_unused *vc_ether_addr) 1758 { 1759 u8 type = ice_vc_ether_addr_type(vc_ether_addr); 1760 1761 return (type == VIRTCHNL_ETHER_ADDR_PRIMARY); 1762 } 1763 1764 /** 1765 * ice_vfhw_mac_add - update the VF's cached hardware MAC if allowed 1766 * @vf: VF to update 1767 * @vc_ether_addr: structure from VIRTCHNL with MAC to add 1768 */ 1769 static void 1770 ice_vfhw_mac_add(struct ice_vf *vf, struct virtchnl_ether_addr *vc_ether_addr) 1771 { 1772 u8 *mac_addr = vc_ether_addr->addr; 1773 1774 if (!is_valid_ether_addr(mac_addr)) 1775 return; 1776 1777 /* only allow legacy VF drivers to set the device and hardware MAC if it 1778 * is zero and allow new VF drivers to set the hardware MAC if the type 1779 * was correctly specified over VIRTCHNL 1780 */ 1781 if ((ice_is_vc_addr_legacy(vc_ether_addr) && 1782 is_zero_ether_addr(vf->hw_lan_addr.addr)) || 1783 ice_is_vc_addr_primary(vc_ether_addr)) { 1784 ether_addr_copy(vf->dev_lan_addr.addr, mac_addr); 1785 ether_addr_copy(vf->hw_lan_addr.addr, mac_addr); 1786 } 1787 1788 /* hardware and device MACs are already set, but its possible that the 1789 * VF driver sent the VIRTCHNL_OP_ADD_ETH_ADDR message before the 1790 * VIRTCHNL_OP_DEL_ETH_ADDR when trying to update its MAC, so save it 1791 * away for the legacy VF driver case as it will be updated in the 1792 * delete flow for this case 1793 */ 1794 if (ice_is_vc_addr_legacy(vc_ether_addr)) { 1795 ether_addr_copy(vf->legacy_last_added_umac.addr, 1796 mac_addr); 1797 vf->legacy_last_added_umac.time_modified = jiffies; 1798 } 1799 } 1800 1801 /** 1802 * ice_vc_add_mac_addr - attempt to add the MAC address passed in 1803 * @vf: pointer to the VF info 1804 * @vsi: pointer to the VF's VSI 1805 * @vc_ether_addr: VIRTCHNL MAC address structure used to add MAC 1806 */ 1807 static int 1808 ice_vc_add_mac_addr(struct ice_vf *vf, struct ice_vsi *vsi, 1809 struct virtchnl_ether_addr *vc_ether_addr) 1810 { 1811 struct device *dev = ice_pf_to_dev(vf->pf); 1812 u8 *mac_addr = vc_ether_addr->addr; 1813 int ret; 1814 1815 /* device MAC already added */ 1816 if (ether_addr_equal(mac_addr, vf->dev_lan_addr.addr)) 1817 return 0; 1818 1819 if (is_unicast_ether_addr(mac_addr) && !ice_can_vf_change_mac(vf)) { 1820 dev_err(dev, "VF attempting to override administratively set MAC address, bring down and up the VF interface to resume normal operation\n"); 1821 return -EPERM; 1822 } 1823 1824 ret = ice_fltr_add_mac(vsi, mac_addr, ICE_FWD_TO_VSI); 1825 if (ret == -EEXIST) { 1826 dev_dbg(dev, "MAC %pM already exists for VF %d\n", mac_addr, 1827 vf->vf_id); 1828 /* don't return since we might need to update 1829 * the primary MAC in ice_vfhw_mac_add() below 1830 */ 1831 } else if (ret) { 1832 dev_err(dev, "Failed to add MAC %pM for VF %d\n, error %d\n", 1833 mac_addr, vf->vf_id, ret); 1834 return ret; 1835 } else { 1836 vf->num_mac++; 1837 } 1838 1839 ice_vfhw_mac_add(vf, vc_ether_addr); 1840 1841 return ret; 1842 } 1843 1844 /** 1845 * ice_is_legacy_umac_expired - check if last added legacy unicast MAC expired 1846 * @last_added_umac: structure used to check expiration 1847 */ 1848 static bool ice_is_legacy_umac_expired(struct ice_time_mac *last_added_umac) 1849 { 1850 #define ICE_LEGACY_VF_MAC_CHANGE_EXPIRE_TIME msecs_to_jiffies(3000) 1851 return time_is_before_jiffies(last_added_umac->time_modified + 1852 ICE_LEGACY_VF_MAC_CHANGE_EXPIRE_TIME); 1853 } 1854 1855 /** 1856 * ice_update_legacy_cached_mac - update cached hardware MAC for legacy VF 1857 * @vf: VF to update 1858 * @vc_ether_addr: structure from VIRTCHNL with MAC to check 1859 * 1860 * only update cached hardware MAC for legacy VF drivers on delete 1861 * because we cannot guarantee order/type of MAC from the VF driver 1862 */ 1863 static void 1864 ice_update_legacy_cached_mac(struct ice_vf *vf, 1865 struct virtchnl_ether_addr *vc_ether_addr) 1866 { 1867 if (!ice_is_vc_addr_legacy(vc_ether_addr) || 1868 ice_is_legacy_umac_expired(&vf->legacy_last_added_umac)) 1869 return; 1870 1871 ether_addr_copy(vf->dev_lan_addr.addr, vf->legacy_last_added_umac.addr); 1872 ether_addr_copy(vf->hw_lan_addr.addr, vf->legacy_last_added_umac.addr); 1873 } 1874 1875 /** 1876 * ice_vfhw_mac_del - update the VF's cached hardware MAC if allowed 1877 * @vf: VF to update 1878 * @vc_ether_addr: structure from VIRTCHNL with MAC to delete 1879 */ 1880 static void 1881 ice_vfhw_mac_del(struct ice_vf *vf, struct virtchnl_ether_addr *vc_ether_addr) 1882 { 1883 u8 *mac_addr = vc_ether_addr->addr; 1884 1885 if (!is_valid_ether_addr(mac_addr) || 1886 !ether_addr_equal(vf->dev_lan_addr.addr, mac_addr)) 1887 return; 1888 1889 /* allow the device MAC to be repopulated in the add flow and don't 1890 * clear the hardware MAC (i.e. hw_lan_addr.addr) here as that is meant 1891 * to be persistent on VM reboot and across driver unload/load, which 1892 * won't work if we clear the hardware MAC here 1893 */ 1894 eth_zero_addr(vf->dev_lan_addr.addr); 1895 1896 ice_update_legacy_cached_mac(vf, vc_ether_addr); 1897 } 1898 1899 /** 1900 * ice_vc_del_mac_addr - attempt to delete the MAC address passed in 1901 * @vf: pointer to the VF info 1902 * @vsi: pointer to the VF's VSI 1903 * @vc_ether_addr: VIRTCHNL MAC address structure used to delete MAC 1904 */ 1905 static int 1906 ice_vc_del_mac_addr(struct ice_vf *vf, struct ice_vsi *vsi, 1907 struct virtchnl_ether_addr *vc_ether_addr) 1908 { 1909 struct device *dev = ice_pf_to_dev(vf->pf); 1910 u8 *mac_addr = vc_ether_addr->addr; 1911 int status; 1912 1913 if (!ice_can_vf_change_mac(vf) && 1914 ether_addr_equal(vf->dev_lan_addr.addr, mac_addr)) 1915 return 0; 1916 1917 status = ice_fltr_remove_mac(vsi, mac_addr, ICE_FWD_TO_VSI); 1918 if (status == -ENOENT) { 1919 dev_err(dev, "MAC %pM does not exist for VF %d\n", mac_addr, 1920 vf->vf_id); 1921 return -ENOENT; 1922 } else if (status) { 1923 dev_err(dev, "Failed to delete MAC %pM for VF %d, error %d\n", 1924 mac_addr, vf->vf_id, status); 1925 return -EIO; 1926 } 1927 1928 ice_vfhw_mac_del(vf, vc_ether_addr); 1929 1930 vf->num_mac--; 1931 1932 return 0; 1933 } 1934 1935 /** 1936 * ice_vc_handle_mac_addr_msg 1937 * @vf: pointer to the VF info 1938 * @msg: pointer to the msg buffer 1939 * @set: true if MAC filters are being set, false otherwise 1940 * 1941 * add guest MAC address filter 1942 */ 1943 static int 1944 ice_vc_handle_mac_addr_msg(struct ice_vf *vf, u8 *msg, bool set) 1945 { 1946 int (*ice_vc_cfg_mac) 1947 (struct ice_vf *vf, struct ice_vsi *vsi, 1948 struct virtchnl_ether_addr *virtchnl_ether_addr); 1949 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; 1950 struct virtchnl_ether_addr_list *al = 1951 (struct virtchnl_ether_addr_list *)msg; 1952 struct ice_pf *pf = vf->pf; 1953 enum virtchnl_ops vc_op; 1954 struct ice_vsi *vsi; 1955 int i; 1956 1957 if (set) { 1958 vc_op = VIRTCHNL_OP_ADD_ETH_ADDR; 1959 ice_vc_cfg_mac = ice_vc_add_mac_addr; 1960 } else { 1961 vc_op = VIRTCHNL_OP_DEL_ETH_ADDR; 1962 ice_vc_cfg_mac = ice_vc_del_mac_addr; 1963 } 1964 1965 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states) || 1966 !ice_vc_isvalid_vsi_id(vf, al->vsi_id)) { 1967 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1968 goto handle_mac_exit; 1969 } 1970 1971 /* If this VF is not privileged, then we can't add more than a 1972 * limited number of addresses. Check to make sure that the 1973 * additions do not push us over the limit. 1974 */ 1975 if (set && !ice_is_vf_trusted(vf) && 1976 (vf->num_mac + al->num_elements) > ICE_MAX_MACADDR_PER_VF) { 1977 dev_err(ice_pf_to_dev(pf), "Can't add more MAC addresses, because VF-%d is not trusted, switch the VF to trusted mode in order to add more functionalities\n", 1978 vf->vf_id); 1979 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1980 goto handle_mac_exit; 1981 } 1982 1983 vsi = ice_get_vf_vsi(vf); 1984 if (!vsi) { 1985 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 1986 goto handle_mac_exit; 1987 } 1988 1989 for (i = 0; i < al->num_elements; i++) { 1990 u8 *mac_addr = al->list[i].addr; 1991 int result; 1992 1993 if (is_broadcast_ether_addr(mac_addr) || 1994 is_zero_ether_addr(mac_addr)) 1995 continue; 1996 1997 result = ice_vc_cfg_mac(vf, vsi, &al->list[i]); 1998 if (result == -EEXIST || result == -ENOENT) { 1999 continue; 2000 } else if (result) { 2001 v_ret = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR; 2002 goto handle_mac_exit; 2003 } 2004 } 2005 2006 handle_mac_exit: 2007 /* send the response to the VF */ 2008 return ice_vc_send_msg_to_vf(vf, vc_op, v_ret, NULL, 0); 2009 } 2010 2011 /** 2012 * ice_vc_add_mac_addr_msg 2013 * @vf: pointer to the VF info 2014 * @msg: pointer to the msg buffer 2015 * 2016 * add guest MAC address filter 2017 */ 2018 static int ice_vc_add_mac_addr_msg(struct ice_vf *vf, u8 *msg) 2019 { 2020 return ice_vc_handle_mac_addr_msg(vf, msg, true); 2021 } 2022 2023 /** 2024 * ice_vc_del_mac_addr_msg 2025 * @vf: pointer to the VF info 2026 * @msg: pointer to the msg buffer 2027 * 2028 * remove guest MAC address filter 2029 */ 2030 static int ice_vc_del_mac_addr_msg(struct ice_vf *vf, u8 *msg) 2031 { 2032 return ice_vc_handle_mac_addr_msg(vf, msg, false); 2033 } 2034 2035 /** 2036 * ice_vc_request_qs_msg 2037 * @vf: pointer to the VF info 2038 * @msg: pointer to the msg buffer 2039 * 2040 * VFs get a default number of queues but can use this message to request a 2041 * different number. If the request is successful, PF will reset the VF and 2042 * return 0. If unsuccessful, PF will send message informing VF of number of 2043 * available queue pairs via virtchnl message response to VF. 2044 */ 2045 static int ice_vc_request_qs_msg(struct ice_vf *vf, u8 *msg) 2046 { 2047 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; 2048 struct virtchnl_vf_res_request *vfres = 2049 (struct virtchnl_vf_res_request *)msg; 2050 u16 req_queues = vfres->num_queue_pairs; 2051 struct ice_pf *pf = vf->pf; 2052 u16 max_allowed_vf_queues; 2053 u16 tx_rx_queue_left; 2054 struct device *dev; 2055 u16 cur_queues; 2056 2057 dev = ice_pf_to_dev(pf); 2058 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { 2059 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 2060 goto error_param; 2061 } 2062 2063 cur_queues = vf->num_vf_qs; 2064 tx_rx_queue_left = min_t(u16, ice_get_avail_txq_count(pf), 2065 ice_get_avail_rxq_count(pf)); 2066 max_allowed_vf_queues = tx_rx_queue_left + cur_queues; 2067 if (!req_queues) { 2068 dev_err(dev, "VF %d tried to request 0 queues. Ignoring.\n", 2069 vf->vf_id); 2070 } else if (req_queues > ICE_MAX_RSS_QS_PER_VF) { 2071 dev_err(dev, "VF %d tried to request more than %d queues.\n", 2072 vf->vf_id, ICE_MAX_RSS_QS_PER_VF); 2073 vfres->num_queue_pairs = ICE_MAX_RSS_QS_PER_VF; 2074 } else if (req_queues > cur_queues && 2075 req_queues - cur_queues > tx_rx_queue_left) { 2076 dev_warn(dev, "VF %d requested %u more queues, but only %u left.\n", 2077 vf->vf_id, req_queues - cur_queues, tx_rx_queue_left); 2078 vfres->num_queue_pairs = min_t(u16, max_allowed_vf_queues, 2079 ICE_MAX_RSS_QS_PER_VF); 2080 } else { 2081 /* request is successful, then reset VF */ 2082 vf->num_req_qs = req_queues; 2083 ice_reset_vf(vf, ICE_VF_RESET_NOTIFY); 2084 dev_info(dev, "VF %d granted request of %u queues.\n", 2085 vf->vf_id, req_queues); 2086 return 0; 2087 } 2088 2089 error_param: 2090 /* send the response to the VF */ 2091 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_REQUEST_QUEUES, 2092 v_ret, (u8 *)vfres, sizeof(*vfres)); 2093 } 2094 2095 /** 2096 * ice_vf_vlan_offload_ena - determine if capabilities support VLAN offloads 2097 * @caps: VF driver negotiated capabilities 2098 * 2099 * Return true if VIRTCHNL_VF_OFFLOAD_VLAN capability is set, else return false 2100 */ 2101 static bool ice_vf_vlan_offload_ena(u32 caps) 2102 { 2103 return !!(caps & VIRTCHNL_VF_OFFLOAD_VLAN); 2104 } 2105 2106 /** 2107 * ice_is_vlan_promisc_allowed - check if VLAN promiscuous config is allowed 2108 * @vf: VF used to determine if VLAN promiscuous config is allowed 2109 */ 2110 static bool ice_is_vlan_promisc_allowed(struct ice_vf *vf) 2111 { 2112 if ((test_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states) || 2113 test_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states)) && 2114 test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, vf->pf->flags)) 2115 return true; 2116 2117 return false; 2118 } 2119 2120 /** 2121 * ice_vf_ena_vlan_promisc - Enable Tx/Rx VLAN promiscuous for the VLAN 2122 * @vsi: VF's VSI used to enable VLAN promiscuous mode 2123 * @vlan: VLAN used to enable VLAN promiscuous 2124 * 2125 * This function should only be called if VLAN promiscuous mode is allowed, 2126 * which can be determined via ice_is_vlan_promisc_allowed(). 2127 */ 2128 static int ice_vf_ena_vlan_promisc(struct ice_vsi *vsi, struct ice_vlan *vlan) 2129 { 2130 u8 promisc_m = ICE_PROMISC_VLAN_TX | ICE_PROMISC_VLAN_RX; 2131 int status; 2132 2133 status = ice_fltr_set_vsi_promisc(&vsi->back->hw, vsi->idx, promisc_m, 2134 vlan->vid); 2135 if (status && status != -EEXIST) 2136 return status; 2137 2138 return 0; 2139 } 2140 2141 /** 2142 * ice_vf_dis_vlan_promisc - Disable Tx/Rx VLAN promiscuous for the VLAN 2143 * @vsi: VF's VSI used to disable VLAN promiscuous mode for 2144 * @vlan: VLAN used to disable VLAN promiscuous 2145 * 2146 * This function should only be called if VLAN promiscuous mode is allowed, 2147 * which can be determined via ice_is_vlan_promisc_allowed(). 2148 */ 2149 static int ice_vf_dis_vlan_promisc(struct ice_vsi *vsi, struct ice_vlan *vlan) 2150 { 2151 u8 promisc_m = ICE_PROMISC_VLAN_TX | ICE_PROMISC_VLAN_RX; 2152 int status; 2153 2154 status = ice_fltr_clear_vsi_promisc(&vsi->back->hw, vsi->idx, promisc_m, 2155 vlan->vid); 2156 if (status && status != -ENOENT) 2157 return status; 2158 2159 return 0; 2160 } 2161 2162 /** 2163 * ice_vf_has_max_vlans - check if VF already has the max allowed VLAN filters 2164 * @vf: VF to check against 2165 * @vsi: VF's VSI 2166 * 2167 * If the VF is trusted then the VF is allowed to add as many VLANs as it 2168 * wants to, so return false. 2169 * 2170 * When the VF is untrusted compare the number of non-zero VLANs + 1 to the max 2171 * allowed VLANs for an untrusted VF. Return the result of this comparison. 2172 */ 2173 static bool ice_vf_has_max_vlans(struct ice_vf *vf, struct ice_vsi *vsi) 2174 { 2175 if (ice_is_vf_trusted(vf)) 2176 return false; 2177 2178 #define ICE_VF_ADDED_VLAN_ZERO_FLTRS 1 2179 return ((ice_vsi_num_non_zero_vlans(vsi) + 2180 ICE_VF_ADDED_VLAN_ZERO_FLTRS) >= ICE_MAX_VLAN_PER_VF); 2181 } 2182 2183 /** 2184 * ice_vc_process_vlan_msg 2185 * @vf: pointer to the VF info 2186 * @msg: pointer to the msg buffer 2187 * @add_v: Add VLAN if true, otherwise delete VLAN 2188 * 2189 * Process virtchnl op to add or remove programmed guest VLAN ID 2190 */ 2191 static int ice_vc_process_vlan_msg(struct ice_vf *vf, u8 *msg, bool add_v) 2192 { 2193 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; 2194 struct virtchnl_vlan_filter_list *vfl = 2195 (struct virtchnl_vlan_filter_list *)msg; 2196 struct ice_pf *pf = vf->pf; 2197 bool vlan_promisc = false; 2198 struct ice_vsi *vsi; 2199 struct device *dev; 2200 int status = 0; 2201 int i; 2202 2203 dev = ice_pf_to_dev(pf); 2204 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { 2205 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 2206 goto error_param; 2207 } 2208 2209 if (!ice_vf_vlan_offload_ena(vf->driver_caps)) { 2210 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 2211 goto error_param; 2212 } 2213 2214 if (!ice_vc_isvalid_vsi_id(vf, vfl->vsi_id)) { 2215 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 2216 goto error_param; 2217 } 2218 2219 for (i = 0; i < vfl->num_elements; i++) { 2220 if (vfl->vlan_id[i] >= VLAN_N_VID) { 2221 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 2222 dev_err(dev, "invalid VF VLAN id %d\n", 2223 vfl->vlan_id[i]); 2224 goto error_param; 2225 } 2226 } 2227 2228 vsi = ice_get_vf_vsi(vf); 2229 if (!vsi) { 2230 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 2231 goto error_param; 2232 } 2233 2234 if (add_v && ice_vf_has_max_vlans(vf, vsi)) { 2235 dev_info(dev, "VF-%d is not trusted, switch the VF to trusted mode, in order to add more VLAN addresses\n", 2236 vf->vf_id); 2237 /* There is no need to let VF know about being not trusted, 2238 * so we can just return success message here 2239 */ 2240 goto error_param; 2241 } 2242 2243 /* in DVM a VF can add/delete inner VLAN filters when 2244 * VIRTCHNL_VF_OFFLOAD_VLAN is negotiated, so only reject in SVM 2245 */ 2246 if (ice_vf_is_port_vlan_ena(vf) && !ice_is_dvm_ena(&pf->hw)) { 2247 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 2248 goto error_param; 2249 } 2250 2251 /* in DVM VLAN promiscuous is based on the outer VLAN, which would be 2252 * the port VLAN if VIRTCHNL_VF_OFFLOAD_VLAN was negotiated, so only 2253 * allow vlan_promisc = true in SVM and if no port VLAN is configured 2254 */ 2255 vlan_promisc = ice_is_vlan_promisc_allowed(vf) && 2256 !ice_is_dvm_ena(&pf->hw) && 2257 !ice_vf_is_port_vlan_ena(vf); 2258 2259 if (add_v) { 2260 for (i = 0; i < vfl->num_elements; i++) { 2261 u16 vid = vfl->vlan_id[i]; 2262 struct ice_vlan vlan; 2263 2264 if (ice_vf_has_max_vlans(vf, vsi)) { 2265 dev_info(dev, "VF-%d is not trusted, switch the VF to trusted mode, in order to add more VLAN addresses\n", 2266 vf->vf_id); 2267 /* There is no need to let VF know about being 2268 * not trusted, so we can just return success 2269 * message here as well. 2270 */ 2271 goto error_param; 2272 } 2273 2274 /* we add VLAN 0 by default for each VF so we can enable 2275 * Tx VLAN anti-spoof without triggering MDD events so 2276 * we don't need to add it again here 2277 */ 2278 if (!vid) 2279 continue; 2280 2281 vlan = ICE_VLAN(ETH_P_8021Q, vid, 0); 2282 status = vsi->inner_vlan_ops.add_vlan(vsi, &vlan); 2283 if (status) { 2284 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 2285 goto error_param; 2286 } 2287 2288 /* Enable VLAN filtering on first non-zero VLAN */ 2289 if (!vlan_promisc && vid && !ice_is_dvm_ena(&pf->hw)) { 2290 if (vsi->inner_vlan_ops.ena_rx_filtering(vsi)) { 2291 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 2292 dev_err(dev, "Enable VLAN pruning on VLAN ID: %d failed error-%d\n", 2293 vid, status); 2294 goto error_param; 2295 } 2296 } else if (vlan_promisc) { 2297 status = ice_vf_ena_vlan_promisc(vsi, &vlan); 2298 if (status) { 2299 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 2300 dev_err(dev, "Enable Unicast/multicast promiscuous mode on VLAN ID:%d failed error-%d\n", 2301 vid, status); 2302 } 2303 } 2304 } 2305 } else { 2306 /* In case of non_trusted VF, number of VLAN elements passed 2307 * to PF for removal might be greater than number of VLANs 2308 * filter programmed for that VF - So, use actual number of 2309 * VLANS added earlier with add VLAN opcode. In order to avoid 2310 * removing VLAN that doesn't exist, which result to sending 2311 * erroneous failed message back to the VF 2312 */ 2313 int num_vf_vlan; 2314 2315 num_vf_vlan = vsi->num_vlan; 2316 for (i = 0; i < vfl->num_elements && i < num_vf_vlan; i++) { 2317 u16 vid = vfl->vlan_id[i]; 2318 struct ice_vlan vlan; 2319 2320 /* we add VLAN 0 by default for each VF so we can enable 2321 * Tx VLAN anti-spoof without triggering MDD events so 2322 * we don't want a VIRTCHNL request to remove it 2323 */ 2324 if (!vid) 2325 continue; 2326 2327 vlan = ICE_VLAN(ETH_P_8021Q, vid, 0); 2328 status = vsi->inner_vlan_ops.del_vlan(vsi, &vlan); 2329 if (status) { 2330 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 2331 goto error_param; 2332 } 2333 2334 /* Disable VLAN filtering when only VLAN 0 is left */ 2335 if (!ice_vsi_has_non_zero_vlans(vsi)) 2336 vsi->inner_vlan_ops.dis_rx_filtering(vsi); 2337 2338 if (vlan_promisc) 2339 ice_vf_dis_vlan_promisc(vsi, &vlan); 2340 } 2341 } 2342 2343 error_param: 2344 /* send the response to the VF */ 2345 if (add_v) 2346 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ADD_VLAN, v_ret, 2347 NULL, 0); 2348 else 2349 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DEL_VLAN, v_ret, 2350 NULL, 0); 2351 } 2352 2353 /** 2354 * ice_vc_add_vlan_msg 2355 * @vf: pointer to the VF info 2356 * @msg: pointer to the msg buffer 2357 * 2358 * Add and program guest VLAN ID 2359 */ 2360 static int ice_vc_add_vlan_msg(struct ice_vf *vf, u8 *msg) 2361 { 2362 return ice_vc_process_vlan_msg(vf, msg, true); 2363 } 2364 2365 /** 2366 * ice_vc_remove_vlan_msg 2367 * @vf: pointer to the VF info 2368 * @msg: pointer to the msg buffer 2369 * 2370 * remove programmed guest VLAN ID 2371 */ 2372 static int ice_vc_remove_vlan_msg(struct ice_vf *vf, u8 *msg) 2373 { 2374 return ice_vc_process_vlan_msg(vf, msg, false); 2375 } 2376 2377 /** 2378 * ice_vc_ena_vlan_stripping 2379 * @vf: pointer to the VF info 2380 * 2381 * Enable VLAN header stripping for a given VF 2382 */ 2383 static int ice_vc_ena_vlan_stripping(struct ice_vf *vf) 2384 { 2385 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; 2386 struct ice_vsi *vsi; 2387 2388 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { 2389 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 2390 goto error_param; 2391 } 2392 2393 if (!ice_vf_vlan_offload_ena(vf->driver_caps)) { 2394 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 2395 goto error_param; 2396 } 2397 2398 vsi = ice_get_vf_vsi(vf); 2399 if (!vsi) { 2400 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 2401 goto error_param; 2402 } 2403 2404 if (vsi->inner_vlan_ops.ena_stripping(vsi, ETH_P_8021Q)) 2405 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 2406 2407 error_param: 2408 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ENABLE_VLAN_STRIPPING, 2409 v_ret, NULL, 0); 2410 } 2411 2412 /** 2413 * ice_vc_dis_vlan_stripping 2414 * @vf: pointer to the VF info 2415 * 2416 * Disable VLAN header stripping for a given VF 2417 */ 2418 static int ice_vc_dis_vlan_stripping(struct ice_vf *vf) 2419 { 2420 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; 2421 struct ice_vsi *vsi; 2422 2423 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { 2424 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 2425 goto error_param; 2426 } 2427 2428 if (!ice_vf_vlan_offload_ena(vf->driver_caps)) { 2429 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 2430 goto error_param; 2431 } 2432 2433 vsi = ice_get_vf_vsi(vf); 2434 if (!vsi) { 2435 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 2436 goto error_param; 2437 } 2438 2439 if (vsi->inner_vlan_ops.dis_stripping(vsi)) 2440 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 2441 2442 error_param: 2443 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DISABLE_VLAN_STRIPPING, 2444 v_ret, NULL, 0); 2445 } 2446 2447 /** 2448 * ice_vf_init_vlan_stripping - enable/disable VLAN stripping on initialization 2449 * @vf: VF to enable/disable VLAN stripping for on initialization 2450 * 2451 * Set the default for VLAN stripping based on whether a port VLAN is configured 2452 * and the current VLAN mode of the device. 2453 */ 2454 static int ice_vf_init_vlan_stripping(struct ice_vf *vf) 2455 { 2456 struct ice_vsi *vsi = ice_get_vf_vsi(vf); 2457 2458 if (!vsi) 2459 return -EINVAL; 2460 2461 /* don't modify stripping if port VLAN is configured in SVM since the 2462 * port VLAN is based on the inner/single VLAN in SVM 2463 */ 2464 if (ice_vf_is_port_vlan_ena(vf) && !ice_is_dvm_ena(&vsi->back->hw)) 2465 return 0; 2466 2467 if (ice_vf_vlan_offload_ena(vf->driver_caps)) 2468 return vsi->inner_vlan_ops.ena_stripping(vsi, ETH_P_8021Q); 2469 else 2470 return vsi->inner_vlan_ops.dis_stripping(vsi); 2471 } 2472 2473 static u16 ice_vc_get_max_vlan_fltrs(struct ice_vf *vf) 2474 { 2475 if (vf->trusted) 2476 return VLAN_N_VID; 2477 else 2478 return ICE_MAX_VLAN_PER_VF; 2479 } 2480 2481 /** 2482 * ice_vf_outer_vlan_not_allowed - check if outer VLAN can be used 2483 * @vf: VF that being checked for 2484 * 2485 * When the device is in double VLAN mode, check whether or not the outer VLAN 2486 * is allowed. 2487 */ 2488 static bool ice_vf_outer_vlan_not_allowed(struct ice_vf *vf) 2489 { 2490 if (ice_vf_is_port_vlan_ena(vf)) 2491 return true; 2492 2493 return false; 2494 } 2495 2496 /** 2497 * ice_vc_set_dvm_caps - set VLAN capabilities when the device is in DVM 2498 * @vf: VF that capabilities are being set for 2499 * @caps: VLAN capabilities to populate 2500 * 2501 * Determine VLAN capabilities support based on whether a port VLAN is 2502 * configured. If a port VLAN is configured then the VF should use the inner 2503 * filtering/offload capabilities since the port VLAN is using the outer VLAN 2504 * capabilies. 2505 */ 2506 static void 2507 ice_vc_set_dvm_caps(struct ice_vf *vf, struct virtchnl_vlan_caps *caps) 2508 { 2509 struct virtchnl_vlan_supported_caps *supported_caps; 2510 2511 if (ice_vf_outer_vlan_not_allowed(vf)) { 2512 /* until support for inner VLAN filtering is added when a port 2513 * VLAN is configured, only support software offloaded inner 2514 * VLANs when a port VLAN is confgured in DVM 2515 */ 2516 supported_caps = &caps->filtering.filtering_support; 2517 supported_caps->inner = VIRTCHNL_VLAN_UNSUPPORTED; 2518 2519 supported_caps = &caps->offloads.stripping_support; 2520 supported_caps->inner = VIRTCHNL_VLAN_ETHERTYPE_8100 | 2521 VIRTCHNL_VLAN_TOGGLE | 2522 VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1; 2523 supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED; 2524 2525 supported_caps = &caps->offloads.insertion_support; 2526 supported_caps->inner = VIRTCHNL_VLAN_ETHERTYPE_8100 | 2527 VIRTCHNL_VLAN_TOGGLE | 2528 VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1; 2529 supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED; 2530 2531 caps->offloads.ethertype_init = VIRTCHNL_VLAN_ETHERTYPE_8100; 2532 caps->offloads.ethertype_match = 2533 VIRTCHNL_ETHERTYPE_STRIPPING_MATCHES_INSERTION; 2534 } else { 2535 supported_caps = &caps->filtering.filtering_support; 2536 supported_caps->inner = VIRTCHNL_VLAN_UNSUPPORTED; 2537 supported_caps->outer = VIRTCHNL_VLAN_ETHERTYPE_8100 | 2538 VIRTCHNL_VLAN_ETHERTYPE_88A8 | 2539 VIRTCHNL_VLAN_ETHERTYPE_9100 | 2540 VIRTCHNL_VLAN_ETHERTYPE_AND; 2541 caps->filtering.ethertype_init = VIRTCHNL_VLAN_ETHERTYPE_8100 | 2542 VIRTCHNL_VLAN_ETHERTYPE_88A8 | 2543 VIRTCHNL_VLAN_ETHERTYPE_9100; 2544 2545 supported_caps = &caps->offloads.stripping_support; 2546 supported_caps->inner = VIRTCHNL_VLAN_TOGGLE | 2547 VIRTCHNL_VLAN_ETHERTYPE_8100 | 2548 VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1; 2549 supported_caps->outer = VIRTCHNL_VLAN_TOGGLE | 2550 VIRTCHNL_VLAN_ETHERTYPE_8100 | 2551 VIRTCHNL_VLAN_ETHERTYPE_88A8 | 2552 VIRTCHNL_VLAN_ETHERTYPE_9100 | 2553 VIRTCHNL_VLAN_ETHERTYPE_XOR | 2554 VIRTCHNL_VLAN_TAG_LOCATION_L2TAG2_2; 2555 2556 supported_caps = &caps->offloads.insertion_support; 2557 supported_caps->inner = VIRTCHNL_VLAN_TOGGLE | 2558 VIRTCHNL_VLAN_ETHERTYPE_8100 | 2559 VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1; 2560 supported_caps->outer = VIRTCHNL_VLAN_TOGGLE | 2561 VIRTCHNL_VLAN_ETHERTYPE_8100 | 2562 VIRTCHNL_VLAN_ETHERTYPE_88A8 | 2563 VIRTCHNL_VLAN_ETHERTYPE_9100 | 2564 VIRTCHNL_VLAN_ETHERTYPE_XOR | 2565 VIRTCHNL_VLAN_TAG_LOCATION_L2TAG2; 2566 2567 caps->offloads.ethertype_init = VIRTCHNL_VLAN_ETHERTYPE_8100; 2568 2569 caps->offloads.ethertype_match = 2570 VIRTCHNL_ETHERTYPE_STRIPPING_MATCHES_INSERTION; 2571 } 2572 2573 caps->filtering.max_filters = ice_vc_get_max_vlan_fltrs(vf); 2574 } 2575 2576 /** 2577 * ice_vc_set_svm_caps - set VLAN capabilities when the device is in SVM 2578 * @vf: VF that capabilities are being set for 2579 * @caps: VLAN capabilities to populate 2580 * 2581 * Determine VLAN capabilities support based on whether a port VLAN is 2582 * configured. If a port VLAN is configured then the VF does not have any VLAN 2583 * filtering or offload capabilities since the port VLAN is using the inner VLAN 2584 * capabilities in single VLAN mode (SVM). Otherwise allow the VF to use inner 2585 * VLAN fitlering and offload capabilities. 2586 */ 2587 static void 2588 ice_vc_set_svm_caps(struct ice_vf *vf, struct virtchnl_vlan_caps *caps) 2589 { 2590 struct virtchnl_vlan_supported_caps *supported_caps; 2591 2592 if (ice_vf_is_port_vlan_ena(vf)) { 2593 supported_caps = &caps->filtering.filtering_support; 2594 supported_caps->inner = VIRTCHNL_VLAN_UNSUPPORTED; 2595 supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED; 2596 2597 supported_caps = &caps->offloads.stripping_support; 2598 supported_caps->inner = VIRTCHNL_VLAN_UNSUPPORTED; 2599 supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED; 2600 2601 supported_caps = &caps->offloads.insertion_support; 2602 supported_caps->inner = VIRTCHNL_VLAN_UNSUPPORTED; 2603 supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED; 2604 2605 caps->offloads.ethertype_init = VIRTCHNL_VLAN_UNSUPPORTED; 2606 caps->offloads.ethertype_match = VIRTCHNL_VLAN_UNSUPPORTED; 2607 caps->filtering.max_filters = 0; 2608 } else { 2609 supported_caps = &caps->filtering.filtering_support; 2610 supported_caps->inner = VIRTCHNL_VLAN_ETHERTYPE_8100; 2611 supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED; 2612 caps->filtering.ethertype_init = VIRTCHNL_VLAN_ETHERTYPE_8100; 2613 2614 supported_caps = &caps->offloads.stripping_support; 2615 supported_caps->inner = VIRTCHNL_VLAN_ETHERTYPE_8100 | 2616 VIRTCHNL_VLAN_TOGGLE | 2617 VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1; 2618 supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED; 2619 2620 supported_caps = &caps->offloads.insertion_support; 2621 supported_caps->inner = VIRTCHNL_VLAN_ETHERTYPE_8100 | 2622 VIRTCHNL_VLAN_TOGGLE | 2623 VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1; 2624 supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED; 2625 2626 caps->offloads.ethertype_init = VIRTCHNL_VLAN_ETHERTYPE_8100; 2627 caps->offloads.ethertype_match = 2628 VIRTCHNL_ETHERTYPE_STRIPPING_MATCHES_INSERTION; 2629 caps->filtering.max_filters = ice_vc_get_max_vlan_fltrs(vf); 2630 } 2631 } 2632 2633 /** 2634 * ice_vc_get_offload_vlan_v2_caps - determine VF's VLAN capabilities 2635 * @vf: VF to determine VLAN capabilities for 2636 * 2637 * This will only be called if the VF and PF successfully negotiated 2638 * VIRTCHNL_VF_OFFLOAD_VLAN_V2. 2639 * 2640 * Set VLAN capabilities based on the current VLAN mode and whether a port VLAN 2641 * is configured or not. 2642 */ 2643 static int ice_vc_get_offload_vlan_v2_caps(struct ice_vf *vf) 2644 { 2645 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; 2646 struct virtchnl_vlan_caps *caps = NULL; 2647 int err, len = 0; 2648 2649 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { 2650 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 2651 goto out; 2652 } 2653 2654 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 2655 if (!caps) { 2656 v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY; 2657 goto out; 2658 } 2659 len = sizeof(*caps); 2660 2661 if (ice_is_dvm_ena(&vf->pf->hw)) 2662 ice_vc_set_dvm_caps(vf, caps); 2663 else 2664 ice_vc_set_svm_caps(vf, caps); 2665 2666 /* store negotiated caps to prevent invalid VF messages */ 2667 memcpy(&vf->vlan_v2_caps, caps, sizeof(*caps)); 2668 2669 out: 2670 err = ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_OFFLOAD_VLAN_V2_CAPS, 2671 v_ret, (u8 *)caps, len); 2672 kfree(caps); 2673 return err; 2674 } 2675 2676 /** 2677 * ice_vc_validate_vlan_tpid - validate VLAN TPID 2678 * @filtering_caps: negotiated/supported VLAN filtering capabilities 2679 * @tpid: VLAN TPID used for validation 2680 * 2681 * Convert the VLAN TPID to a VIRTCHNL_VLAN_ETHERTYPE_* and then compare against 2682 * the negotiated/supported filtering caps to see if the VLAN TPID is valid. 2683 */ 2684 static bool ice_vc_validate_vlan_tpid(u16 filtering_caps, u16 tpid) 2685 { 2686 enum virtchnl_vlan_support vlan_ethertype = VIRTCHNL_VLAN_UNSUPPORTED; 2687 2688 switch (tpid) { 2689 case ETH_P_8021Q: 2690 vlan_ethertype = VIRTCHNL_VLAN_ETHERTYPE_8100; 2691 break; 2692 case ETH_P_8021AD: 2693 vlan_ethertype = VIRTCHNL_VLAN_ETHERTYPE_88A8; 2694 break; 2695 case ETH_P_QINQ1: 2696 vlan_ethertype = VIRTCHNL_VLAN_ETHERTYPE_9100; 2697 break; 2698 } 2699 2700 if (!(filtering_caps & vlan_ethertype)) 2701 return false; 2702 2703 return true; 2704 } 2705 2706 /** 2707 * ice_vc_is_valid_vlan - validate the virtchnl_vlan 2708 * @vc_vlan: virtchnl_vlan to validate 2709 * 2710 * If the VLAN TCI and VLAN TPID are 0, then this filter is invalid, so return 2711 * false. Otherwise return true. 2712 */ 2713 static bool ice_vc_is_valid_vlan(struct virtchnl_vlan *vc_vlan) 2714 { 2715 if (!vc_vlan->tci || !vc_vlan->tpid) 2716 return false; 2717 2718 return true; 2719 } 2720 2721 /** 2722 * ice_vc_validate_vlan_filter_list - validate the filter list from the VF 2723 * @vfc: negotiated/supported VLAN filtering capabilities 2724 * @vfl: VLAN filter list from VF to validate 2725 * 2726 * Validate all of the filters in the VLAN filter list from the VF. If any of 2727 * the checks fail then return false. Otherwise return true. 2728 */ 2729 static bool 2730 ice_vc_validate_vlan_filter_list(struct virtchnl_vlan_filtering_caps *vfc, 2731 struct virtchnl_vlan_filter_list_v2 *vfl) 2732 { 2733 u16 i; 2734 2735 if (!vfl->num_elements) 2736 return false; 2737 2738 for (i = 0; i < vfl->num_elements; i++) { 2739 struct virtchnl_vlan_supported_caps *filtering_support = 2740 &vfc->filtering_support; 2741 struct virtchnl_vlan_filter *vlan_fltr = &vfl->filters[i]; 2742 struct virtchnl_vlan *outer = &vlan_fltr->outer; 2743 struct virtchnl_vlan *inner = &vlan_fltr->inner; 2744 2745 if ((ice_vc_is_valid_vlan(outer) && 2746 filtering_support->outer == VIRTCHNL_VLAN_UNSUPPORTED) || 2747 (ice_vc_is_valid_vlan(inner) && 2748 filtering_support->inner == VIRTCHNL_VLAN_UNSUPPORTED)) 2749 return false; 2750 2751 if ((outer->tci_mask && 2752 !(filtering_support->outer & VIRTCHNL_VLAN_FILTER_MASK)) || 2753 (inner->tci_mask && 2754 !(filtering_support->inner & VIRTCHNL_VLAN_FILTER_MASK))) 2755 return false; 2756 2757 if (((outer->tci & VLAN_PRIO_MASK) && 2758 !(filtering_support->outer & VIRTCHNL_VLAN_PRIO)) || 2759 ((inner->tci & VLAN_PRIO_MASK) && 2760 !(filtering_support->inner & VIRTCHNL_VLAN_PRIO))) 2761 return false; 2762 2763 if ((ice_vc_is_valid_vlan(outer) && 2764 !ice_vc_validate_vlan_tpid(filtering_support->outer, 2765 outer->tpid)) || 2766 (ice_vc_is_valid_vlan(inner) && 2767 !ice_vc_validate_vlan_tpid(filtering_support->inner, 2768 inner->tpid))) 2769 return false; 2770 } 2771 2772 return true; 2773 } 2774 2775 /** 2776 * ice_vc_to_vlan - transform from struct virtchnl_vlan to struct ice_vlan 2777 * @vc_vlan: struct virtchnl_vlan to transform 2778 */ 2779 static struct ice_vlan ice_vc_to_vlan(struct virtchnl_vlan *vc_vlan) 2780 { 2781 struct ice_vlan vlan = { 0 }; 2782 2783 vlan.prio = (vc_vlan->tci & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT; 2784 vlan.vid = vc_vlan->tci & VLAN_VID_MASK; 2785 vlan.tpid = vc_vlan->tpid; 2786 2787 return vlan; 2788 } 2789 2790 /** 2791 * ice_vc_vlan_action - action to perform on the virthcnl_vlan 2792 * @vsi: VF's VSI used to perform the action 2793 * @vlan_action: function to perform the action with (i.e. add/del) 2794 * @vlan: VLAN filter to perform the action with 2795 */ 2796 static int 2797 ice_vc_vlan_action(struct ice_vsi *vsi, 2798 int (*vlan_action)(struct ice_vsi *, struct ice_vlan *), 2799 struct ice_vlan *vlan) 2800 { 2801 int err; 2802 2803 err = vlan_action(vsi, vlan); 2804 if (err) 2805 return err; 2806 2807 return 0; 2808 } 2809 2810 /** 2811 * ice_vc_del_vlans - delete VLAN(s) from the virtchnl filter list 2812 * @vf: VF used to delete the VLAN(s) 2813 * @vsi: VF's VSI used to delete the VLAN(s) 2814 * @vfl: virthchnl filter list used to delete the filters 2815 */ 2816 static int 2817 ice_vc_del_vlans(struct ice_vf *vf, struct ice_vsi *vsi, 2818 struct virtchnl_vlan_filter_list_v2 *vfl) 2819 { 2820 bool vlan_promisc = ice_is_vlan_promisc_allowed(vf); 2821 int err; 2822 u16 i; 2823 2824 for (i = 0; i < vfl->num_elements; i++) { 2825 struct virtchnl_vlan_filter *vlan_fltr = &vfl->filters[i]; 2826 struct virtchnl_vlan *vc_vlan; 2827 2828 vc_vlan = &vlan_fltr->outer; 2829 if (ice_vc_is_valid_vlan(vc_vlan)) { 2830 struct ice_vlan vlan = ice_vc_to_vlan(vc_vlan); 2831 2832 err = ice_vc_vlan_action(vsi, 2833 vsi->outer_vlan_ops.del_vlan, 2834 &vlan); 2835 if (err) 2836 return err; 2837 2838 if (vlan_promisc) 2839 ice_vf_dis_vlan_promisc(vsi, &vlan); 2840 } 2841 2842 vc_vlan = &vlan_fltr->inner; 2843 if (ice_vc_is_valid_vlan(vc_vlan)) { 2844 struct ice_vlan vlan = ice_vc_to_vlan(vc_vlan); 2845 2846 err = ice_vc_vlan_action(vsi, 2847 vsi->inner_vlan_ops.del_vlan, 2848 &vlan); 2849 if (err) 2850 return err; 2851 2852 /* no support for VLAN promiscuous on inner VLAN unless 2853 * we are in Single VLAN Mode (SVM) 2854 */ 2855 if (!ice_is_dvm_ena(&vsi->back->hw) && vlan_promisc) 2856 ice_vf_dis_vlan_promisc(vsi, &vlan); 2857 } 2858 } 2859 2860 return 0; 2861 } 2862 2863 /** 2864 * ice_vc_remove_vlan_v2_msg - virtchnl handler for VIRTCHNL_OP_DEL_VLAN_V2 2865 * @vf: VF the message was received from 2866 * @msg: message received from the VF 2867 */ 2868 static int ice_vc_remove_vlan_v2_msg(struct ice_vf *vf, u8 *msg) 2869 { 2870 struct virtchnl_vlan_filter_list_v2 *vfl = 2871 (struct virtchnl_vlan_filter_list_v2 *)msg; 2872 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; 2873 struct ice_vsi *vsi; 2874 2875 if (!ice_vc_validate_vlan_filter_list(&vf->vlan_v2_caps.filtering, 2876 vfl)) { 2877 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 2878 goto out; 2879 } 2880 2881 if (!ice_vc_isvalid_vsi_id(vf, vfl->vport_id)) { 2882 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 2883 goto out; 2884 } 2885 2886 vsi = ice_get_vf_vsi(vf); 2887 if (!vsi) { 2888 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 2889 goto out; 2890 } 2891 2892 if (ice_vc_del_vlans(vf, vsi, vfl)) 2893 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 2894 2895 out: 2896 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DEL_VLAN_V2, v_ret, NULL, 2897 0); 2898 } 2899 2900 /** 2901 * ice_vc_add_vlans - add VLAN(s) from the virtchnl filter list 2902 * @vf: VF used to add the VLAN(s) 2903 * @vsi: VF's VSI used to add the VLAN(s) 2904 * @vfl: virthchnl filter list used to add the filters 2905 */ 2906 static int 2907 ice_vc_add_vlans(struct ice_vf *vf, struct ice_vsi *vsi, 2908 struct virtchnl_vlan_filter_list_v2 *vfl) 2909 { 2910 bool vlan_promisc = ice_is_vlan_promisc_allowed(vf); 2911 int err; 2912 u16 i; 2913 2914 for (i = 0; i < vfl->num_elements; i++) { 2915 struct virtchnl_vlan_filter *vlan_fltr = &vfl->filters[i]; 2916 struct virtchnl_vlan *vc_vlan; 2917 2918 vc_vlan = &vlan_fltr->outer; 2919 if (ice_vc_is_valid_vlan(vc_vlan)) { 2920 struct ice_vlan vlan = ice_vc_to_vlan(vc_vlan); 2921 2922 err = ice_vc_vlan_action(vsi, 2923 vsi->outer_vlan_ops.add_vlan, 2924 &vlan); 2925 if (err) 2926 return err; 2927 2928 if (vlan_promisc) { 2929 err = ice_vf_ena_vlan_promisc(vsi, &vlan); 2930 if (err) 2931 return err; 2932 } 2933 } 2934 2935 vc_vlan = &vlan_fltr->inner; 2936 if (ice_vc_is_valid_vlan(vc_vlan)) { 2937 struct ice_vlan vlan = ice_vc_to_vlan(vc_vlan); 2938 2939 err = ice_vc_vlan_action(vsi, 2940 vsi->inner_vlan_ops.add_vlan, 2941 &vlan); 2942 if (err) 2943 return err; 2944 2945 /* no support for VLAN promiscuous on inner VLAN unless 2946 * we are in Single VLAN Mode (SVM) 2947 */ 2948 if (!ice_is_dvm_ena(&vsi->back->hw) && vlan_promisc) { 2949 err = ice_vf_ena_vlan_promisc(vsi, &vlan); 2950 if (err) 2951 return err; 2952 } 2953 } 2954 } 2955 2956 return 0; 2957 } 2958 2959 /** 2960 * ice_vc_validate_add_vlan_filter_list - validate add filter list from the VF 2961 * @vsi: VF VSI used to get number of existing VLAN filters 2962 * @vfc: negotiated/supported VLAN filtering capabilities 2963 * @vfl: VLAN filter list from VF to validate 2964 * 2965 * Validate all of the filters in the VLAN filter list from the VF during the 2966 * VIRTCHNL_OP_ADD_VLAN_V2 opcode. If any of the checks fail then return false. 2967 * Otherwise return true. 2968 */ 2969 static bool 2970 ice_vc_validate_add_vlan_filter_list(struct ice_vsi *vsi, 2971 struct virtchnl_vlan_filtering_caps *vfc, 2972 struct virtchnl_vlan_filter_list_v2 *vfl) 2973 { 2974 u16 num_requested_filters = ice_vsi_num_non_zero_vlans(vsi) + 2975 vfl->num_elements; 2976 2977 if (num_requested_filters > vfc->max_filters) 2978 return false; 2979 2980 return ice_vc_validate_vlan_filter_list(vfc, vfl); 2981 } 2982 2983 /** 2984 * ice_vc_add_vlan_v2_msg - virtchnl handler for VIRTCHNL_OP_ADD_VLAN_V2 2985 * @vf: VF the message was received from 2986 * @msg: message received from the VF 2987 */ 2988 static int ice_vc_add_vlan_v2_msg(struct ice_vf *vf, u8 *msg) 2989 { 2990 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; 2991 struct virtchnl_vlan_filter_list_v2 *vfl = 2992 (struct virtchnl_vlan_filter_list_v2 *)msg; 2993 struct ice_vsi *vsi; 2994 2995 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { 2996 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 2997 goto out; 2998 } 2999 3000 if (!ice_vc_isvalid_vsi_id(vf, vfl->vport_id)) { 3001 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3002 goto out; 3003 } 3004 3005 vsi = ice_get_vf_vsi(vf); 3006 if (!vsi) { 3007 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3008 goto out; 3009 } 3010 3011 if (!ice_vc_validate_add_vlan_filter_list(vsi, 3012 &vf->vlan_v2_caps.filtering, 3013 vfl)) { 3014 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3015 goto out; 3016 } 3017 3018 if (ice_vc_add_vlans(vf, vsi, vfl)) 3019 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3020 3021 out: 3022 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ADD_VLAN_V2, v_ret, NULL, 3023 0); 3024 } 3025 3026 /** 3027 * ice_vc_valid_vlan_setting - validate VLAN setting 3028 * @negotiated_settings: negotiated VLAN settings during VF init 3029 * @ethertype_setting: ethertype(s) requested for the VLAN setting 3030 */ 3031 static bool 3032 ice_vc_valid_vlan_setting(u32 negotiated_settings, u32 ethertype_setting) 3033 { 3034 if (ethertype_setting && !(negotiated_settings & ethertype_setting)) 3035 return false; 3036 3037 /* only allow a single VIRTCHNL_VLAN_ETHERTYPE if 3038 * VIRTHCNL_VLAN_ETHERTYPE_AND is not negotiated/supported 3039 */ 3040 if (!(negotiated_settings & VIRTCHNL_VLAN_ETHERTYPE_AND) && 3041 hweight32(ethertype_setting) > 1) 3042 return false; 3043 3044 /* ability to modify the VLAN setting was not negotiated */ 3045 if (!(negotiated_settings & VIRTCHNL_VLAN_TOGGLE)) 3046 return false; 3047 3048 return true; 3049 } 3050 3051 /** 3052 * ice_vc_valid_vlan_setting_msg - validate the VLAN setting message 3053 * @caps: negotiated VLAN settings during VF init 3054 * @msg: message to validate 3055 * 3056 * Used to validate any VLAN virtchnl message sent as a 3057 * virtchnl_vlan_setting structure. Validates the message against the 3058 * negotiated/supported caps during VF driver init. 3059 */ 3060 static bool 3061 ice_vc_valid_vlan_setting_msg(struct virtchnl_vlan_supported_caps *caps, 3062 struct virtchnl_vlan_setting *msg) 3063 { 3064 if ((!msg->outer_ethertype_setting && 3065 !msg->inner_ethertype_setting) || 3066 (!caps->outer && !caps->inner)) 3067 return false; 3068 3069 if (msg->outer_ethertype_setting && 3070 !ice_vc_valid_vlan_setting(caps->outer, 3071 msg->outer_ethertype_setting)) 3072 return false; 3073 3074 if (msg->inner_ethertype_setting && 3075 !ice_vc_valid_vlan_setting(caps->inner, 3076 msg->inner_ethertype_setting)) 3077 return false; 3078 3079 return true; 3080 } 3081 3082 /** 3083 * ice_vc_get_tpid - transform from VIRTCHNL_VLAN_ETHERTYPE_* to VLAN TPID 3084 * @ethertype_setting: VIRTCHNL_VLAN_ETHERTYPE_* used to get VLAN TPID 3085 * @tpid: VLAN TPID to populate 3086 */ 3087 static int ice_vc_get_tpid(u32 ethertype_setting, u16 *tpid) 3088 { 3089 switch (ethertype_setting) { 3090 case VIRTCHNL_VLAN_ETHERTYPE_8100: 3091 *tpid = ETH_P_8021Q; 3092 break; 3093 case VIRTCHNL_VLAN_ETHERTYPE_88A8: 3094 *tpid = ETH_P_8021AD; 3095 break; 3096 case VIRTCHNL_VLAN_ETHERTYPE_9100: 3097 *tpid = ETH_P_QINQ1; 3098 break; 3099 default: 3100 *tpid = 0; 3101 return -EINVAL; 3102 } 3103 3104 return 0; 3105 } 3106 3107 /** 3108 * ice_vc_ena_vlan_offload - enable VLAN offload based on the ethertype_setting 3109 * @vsi: VF's VSI used to enable the VLAN offload 3110 * @ena_offload: function used to enable the VLAN offload 3111 * @ethertype_setting: VIRTCHNL_VLAN_ETHERTYPE_* to enable offloads for 3112 */ 3113 static int 3114 ice_vc_ena_vlan_offload(struct ice_vsi *vsi, 3115 int (*ena_offload)(struct ice_vsi *vsi, u16 tpid), 3116 u32 ethertype_setting) 3117 { 3118 u16 tpid; 3119 int err; 3120 3121 err = ice_vc_get_tpid(ethertype_setting, &tpid); 3122 if (err) 3123 return err; 3124 3125 err = ena_offload(vsi, tpid); 3126 if (err) 3127 return err; 3128 3129 return 0; 3130 } 3131 3132 #define ICE_L2TSEL_QRX_CONTEXT_REG_IDX 3 3133 #define ICE_L2TSEL_BIT_OFFSET 23 3134 enum ice_l2tsel { 3135 ICE_L2TSEL_EXTRACT_FIRST_TAG_L2TAG2_2ND, 3136 ICE_L2TSEL_EXTRACT_FIRST_TAG_L2TAG1, 3137 }; 3138 3139 /** 3140 * ice_vsi_update_l2tsel - update l2tsel field for all Rx rings on this VSI 3141 * @vsi: VSI used to update l2tsel on 3142 * @l2tsel: l2tsel setting requested 3143 * 3144 * Use the l2tsel setting to update all of the Rx queue context bits for l2tsel. 3145 * This will modify which descriptor field the first offloaded VLAN will be 3146 * stripped into. 3147 */ 3148 static void ice_vsi_update_l2tsel(struct ice_vsi *vsi, enum ice_l2tsel l2tsel) 3149 { 3150 struct ice_hw *hw = &vsi->back->hw; 3151 u32 l2tsel_bit; 3152 int i; 3153 3154 if (l2tsel == ICE_L2TSEL_EXTRACT_FIRST_TAG_L2TAG2_2ND) 3155 l2tsel_bit = 0; 3156 else 3157 l2tsel_bit = BIT(ICE_L2TSEL_BIT_OFFSET); 3158 3159 for (i = 0; i < vsi->alloc_rxq; i++) { 3160 u16 pfq = vsi->rxq_map[i]; 3161 u32 qrx_context_offset; 3162 u32 regval; 3163 3164 qrx_context_offset = 3165 QRX_CONTEXT(ICE_L2TSEL_QRX_CONTEXT_REG_IDX, pfq); 3166 3167 regval = rd32(hw, qrx_context_offset); 3168 regval &= ~BIT(ICE_L2TSEL_BIT_OFFSET); 3169 regval |= l2tsel_bit; 3170 wr32(hw, qrx_context_offset, regval); 3171 } 3172 } 3173 3174 /** 3175 * ice_vc_ena_vlan_stripping_v2_msg 3176 * @vf: VF the message was received from 3177 * @msg: message received from the VF 3178 * 3179 * virthcnl handler for VIRTCHNL_OP_ENABLE_VLAN_STRIPPING_V2 3180 */ 3181 static int ice_vc_ena_vlan_stripping_v2_msg(struct ice_vf *vf, u8 *msg) 3182 { 3183 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; 3184 struct virtchnl_vlan_supported_caps *stripping_support; 3185 struct virtchnl_vlan_setting *strip_msg = 3186 (struct virtchnl_vlan_setting *)msg; 3187 u32 ethertype_setting; 3188 struct ice_vsi *vsi; 3189 3190 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { 3191 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3192 goto out; 3193 } 3194 3195 if (!ice_vc_isvalid_vsi_id(vf, strip_msg->vport_id)) { 3196 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3197 goto out; 3198 } 3199 3200 vsi = ice_get_vf_vsi(vf); 3201 if (!vsi) { 3202 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3203 goto out; 3204 } 3205 3206 stripping_support = &vf->vlan_v2_caps.offloads.stripping_support; 3207 if (!ice_vc_valid_vlan_setting_msg(stripping_support, strip_msg)) { 3208 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3209 goto out; 3210 } 3211 3212 ethertype_setting = strip_msg->outer_ethertype_setting; 3213 if (ethertype_setting) { 3214 if (ice_vc_ena_vlan_offload(vsi, 3215 vsi->outer_vlan_ops.ena_stripping, 3216 ethertype_setting)) { 3217 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3218 goto out; 3219 } else { 3220 enum ice_l2tsel l2tsel = 3221 ICE_L2TSEL_EXTRACT_FIRST_TAG_L2TAG2_2ND; 3222 3223 /* PF tells the VF that the outer VLAN tag is always 3224 * extracted to VIRTCHNL_VLAN_TAG_LOCATION_L2TAG2_2 and 3225 * inner is always extracted to 3226 * VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1. This is needed to 3227 * support outer stripping so the first tag always ends 3228 * up in L2TAG2_2ND and the second/inner tag, if 3229 * enabled, is extracted in L2TAG1. 3230 */ 3231 ice_vsi_update_l2tsel(vsi, l2tsel); 3232 } 3233 } 3234 3235 ethertype_setting = strip_msg->inner_ethertype_setting; 3236 if (ethertype_setting && 3237 ice_vc_ena_vlan_offload(vsi, vsi->inner_vlan_ops.ena_stripping, 3238 ethertype_setting)) { 3239 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3240 goto out; 3241 } 3242 3243 out: 3244 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ENABLE_VLAN_STRIPPING_V2, 3245 v_ret, NULL, 0); 3246 } 3247 3248 /** 3249 * ice_vc_dis_vlan_stripping_v2_msg 3250 * @vf: VF the message was received from 3251 * @msg: message received from the VF 3252 * 3253 * virthcnl handler for VIRTCHNL_OP_DISABLE_VLAN_STRIPPING_V2 3254 */ 3255 static int ice_vc_dis_vlan_stripping_v2_msg(struct ice_vf *vf, u8 *msg) 3256 { 3257 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; 3258 struct virtchnl_vlan_supported_caps *stripping_support; 3259 struct virtchnl_vlan_setting *strip_msg = 3260 (struct virtchnl_vlan_setting *)msg; 3261 u32 ethertype_setting; 3262 struct ice_vsi *vsi; 3263 3264 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { 3265 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3266 goto out; 3267 } 3268 3269 if (!ice_vc_isvalid_vsi_id(vf, strip_msg->vport_id)) { 3270 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3271 goto out; 3272 } 3273 3274 vsi = ice_get_vf_vsi(vf); 3275 if (!vsi) { 3276 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3277 goto out; 3278 } 3279 3280 stripping_support = &vf->vlan_v2_caps.offloads.stripping_support; 3281 if (!ice_vc_valid_vlan_setting_msg(stripping_support, strip_msg)) { 3282 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3283 goto out; 3284 } 3285 3286 ethertype_setting = strip_msg->outer_ethertype_setting; 3287 if (ethertype_setting) { 3288 if (vsi->outer_vlan_ops.dis_stripping(vsi)) { 3289 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3290 goto out; 3291 } else { 3292 enum ice_l2tsel l2tsel = 3293 ICE_L2TSEL_EXTRACT_FIRST_TAG_L2TAG1; 3294 3295 /* PF tells the VF that the outer VLAN tag is always 3296 * extracted to VIRTCHNL_VLAN_TAG_LOCATION_L2TAG2_2 and 3297 * inner is always extracted to 3298 * VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1. This is needed to 3299 * support inner stripping while outer stripping is 3300 * disabled so that the first and only tag is extracted 3301 * in L2TAG1. 3302 */ 3303 ice_vsi_update_l2tsel(vsi, l2tsel); 3304 } 3305 } 3306 3307 ethertype_setting = strip_msg->inner_ethertype_setting; 3308 if (ethertype_setting && vsi->inner_vlan_ops.dis_stripping(vsi)) { 3309 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3310 goto out; 3311 } 3312 3313 out: 3314 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DISABLE_VLAN_STRIPPING_V2, 3315 v_ret, NULL, 0); 3316 } 3317 3318 /** 3319 * ice_vc_ena_vlan_insertion_v2_msg 3320 * @vf: VF the message was received from 3321 * @msg: message received from the VF 3322 * 3323 * virthcnl handler for VIRTCHNL_OP_ENABLE_VLAN_INSERTION_V2 3324 */ 3325 static int ice_vc_ena_vlan_insertion_v2_msg(struct ice_vf *vf, u8 *msg) 3326 { 3327 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; 3328 struct virtchnl_vlan_supported_caps *insertion_support; 3329 struct virtchnl_vlan_setting *insertion_msg = 3330 (struct virtchnl_vlan_setting *)msg; 3331 u32 ethertype_setting; 3332 struct ice_vsi *vsi; 3333 3334 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { 3335 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3336 goto out; 3337 } 3338 3339 if (!ice_vc_isvalid_vsi_id(vf, insertion_msg->vport_id)) { 3340 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3341 goto out; 3342 } 3343 3344 vsi = ice_get_vf_vsi(vf); 3345 if (!vsi) { 3346 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3347 goto out; 3348 } 3349 3350 insertion_support = &vf->vlan_v2_caps.offloads.insertion_support; 3351 if (!ice_vc_valid_vlan_setting_msg(insertion_support, insertion_msg)) { 3352 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3353 goto out; 3354 } 3355 3356 ethertype_setting = insertion_msg->outer_ethertype_setting; 3357 if (ethertype_setting && 3358 ice_vc_ena_vlan_offload(vsi, vsi->outer_vlan_ops.ena_insertion, 3359 ethertype_setting)) { 3360 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3361 goto out; 3362 } 3363 3364 ethertype_setting = insertion_msg->inner_ethertype_setting; 3365 if (ethertype_setting && 3366 ice_vc_ena_vlan_offload(vsi, vsi->inner_vlan_ops.ena_insertion, 3367 ethertype_setting)) { 3368 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3369 goto out; 3370 } 3371 3372 out: 3373 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ENABLE_VLAN_INSERTION_V2, 3374 v_ret, NULL, 0); 3375 } 3376 3377 /** 3378 * ice_vc_dis_vlan_insertion_v2_msg 3379 * @vf: VF the message was received from 3380 * @msg: message received from the VF 3381 * 3382 * virthcnl handler for VIRTCHNL_OP_DISABLE_VLAN_INSERTION_V2 3383 */ 3384 static int ice_vc_dis_vlan_insertion_v2_msg(struct ice_vf *vf, u8 *msg) 3385 { 3386 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; 3387 struct virtchnl_vlan_supported_caps *insertion_support; 3388 struct virtchnl_vlan_setting *insertion_msg = 3389 (struct virtchnl_vlan_setting *)msg; 3390 u32 ethertype_setting; 3391 struct ice_vsi *vsi; 3392 3393 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { 3394 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3395 goto out; 3396 } 3397 3398 if (!ice_vc_isvalid_vsi_id(vf, insertion_msg->vport_id)) { 3399 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3400 goto out; 3401 } 3402 3403 vsi = ice_get_vf_vsi(vf); 3404 if (!vsi) { 3405 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3406 goto out; 3407 } 3408 3409 insertion_support = &vf->vlan_v2_caps.offloads.insertion_support; 3410 if (!ice_vc_valid_vlan_setting_msg(insertion_support, insertion_msg)) { 3411 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3412 goto out; 3413 } 3414 3415 ethertype_setting = insertion_msg->outer_ethertype_setting; 3416 if (ethertype_setting && vsi->outer_vlan_ops.dis_insertion(vsi)) { 3417 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3418 goto out; 3419 } 3420 3421 ethertype_setting = insertion_msg->inner_ethertype_setting; 3422 if (ethertype_setting && vsi->inner_vlan_ops.dis_insertion(vsi)) { 3423 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3424 goto out; 3425 } 3426 3427 out: 3428 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DISABLE_VLAN_INSERTION_V2, 3429 v_ret, NULL, 0); 3430 } 3431 3432 static const struct ice_virtchnl_ops ice_virtchnl_dflt_ops = { 3433 .get_ver_msg = ice_vc_get_ver_msg, 3434 .get_vf_res_msg = ice_vc_get_vf_res_msg, 3435 .reset_vf = ice_vc_reset_vf_msg, 3436 .add_mac_addr_msg = ice_vc_add_mac_addr_msg, 3437 .del_mac_addr_msg = ice_vc_del_mac_addr_msg, 3438 .cfg_qs_msg = ice_vc_cfg_qs_msg, 3439 .ena_qs_msg = ice_vc_ena_qs_msg, 3440 .dis_qs_msg = ice_vc_dis_qs_msg, 3441 .request_qs_msg = ice_vc_request_qs_msg, 3442 .cfg_irq_map_msg = ice_vc_cfg_irq_map_msg, 3443 .config_rss_key = ice_vc_config_rss_key, 3444 .config_rss_lut = ice_vc_config_rss_lut, 3445 .get_stats_msg = ice_vc_get_stats_msg, 3446 .cfg_promiscuous_mode_msg = ice_vc_cfg_promiscuous_mode_msg, 3447 .add_vlan_msg = ice_vc_add_vlan_msg, 3448 .remove_vlan_msg = ice_vc_remove_vlan_msg, 3449 .ena_vlan_stripping = ice_vc_ena_vlan_stripping, 3450 .dis_vlan_stripping = ice_vc_dis_vlan_stripping, 3451 .handle_rss_cfg_msg = ice_vc_handle_rss_cfg, 3452 .add_fdir_fltr_msg = ice_vc_add_fdir_fltr, 3453 .del_fdir_fltr_msg = ice_vc_del_fdir_fltr, 3454 .get_offload_vlan_v2_caps = ice_vc_get_offload_vlan_v2_caps, 3455 .add_vlan_v2_msg = ice_vc_add_vlan_v2_msg, 3456 .remove_vlan_v2_msg = ice_vc_remove_vlan_v2_msg, 3457 .ena_vlan_stripping_v2_msg = ice_vc_ena_vlan_stripping_v2_msg, 3458 .dis_vlan_stripping_v2_msg = ice_vc_dis_vlan_stripping_v2_msg, 3459 .ena_vlan_insertion_v2_msg = ice_vc_ena_vlan_insertion_v2_msg, 3460 .dis_vlan_insertion_v2_msg = ice_vc_dis_vlan_insertion_v2_msg, 3461 }; 3462 3463 /** 3464 * ice_virtchnl_set_dflt_ops - Switch to default virtchnl ops 3465 * @vf: the VF to switch ops 3466 */ 3467 void ice_virtchnl_set_dflt_ops(struct ice_vf *vf) 3468 { 3469 vf->virtchnl_ops = &ice_virtchnl_dflt_ops; 3470 } 3471 3472 /** 3473 * ice_vc_repr_add_mac 3474 * @vf: pointer to VF 3475 * @msg: virtchannel message 3476 * 3477 * When port representors are created, we do not add MAC rule 3478 * to firmware, we store it so that PF could report same 3479 * MAC as VF. 3480 */ 3481 static int ice_vc_repr_add_mac(struct ice_vf *vf, u8 *msg) 3482 { 3483 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; 3484 struct virtchnl_ether_addr_list *al = 3485 (struct virtchnl_ether_addr_list *)msg; 3486 struct ice_vsi *vsi; 3487 struct ice_pf *pf; 3488 int i; 3489 3490 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states) || 3491 !ice_vc_isvalid_vsi_id(vf, al->vsi_id)) { 3492 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3493 goto handle_mac_exit; 3494 } 3495 3496 pf = vf->pf; 3497 3498 vsi = ice_get_vf_vsi(vf); 3499 if (!vsi) { 3500 v_ret = VIRTCHNL_STATUS_ERR_PARAM; 3501 goto handle_mac_exit; 3502 } 3503 3504 for (i = 0; i < al->num_elements; i++) { 3505 u8 *mac_addr = al->list[i].addr; 3506 int result; 3507 3508 if (!is_unicast_ether_addr(mac_addr) || 3509 ether_addr_equal(mac_addr, vf->hw_lan_addr.addr)) 3510 continue; 3511 3512 if (vf->pf_set_mac) { 3513 dev_err(ice_pf_to_dev(pf), "VF attempting to override administratively set MAC address\n"); 3514 v_ret = VIRTCHNL_STATUS_ERR_NOT_SUPPORTED; 3515 goto handle_mac_exit; 3516 } 3517 3518 result = ice_eswitch_add_vf_mac_rule(pf, vf, mac_addr); 3519 if (result) { 3520 dev_err(ice_pf_to_dev(pf), "Failed to add MAC %pM for VF %d\n, error %d\n", 3521 mac_addr, vf->vf_id, result); 3522 goto handle_mac_exit; 3523 } 3524 3525 ice_vfhw_mac_add(vf, &al->list[i]); 3526 vf->num_mac++; 3527 break; 3528 } 3529 3530 handle_mac_exit: 3531 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ADD_ETH_ADDR, 3532 v_ret, NULL, 0); 3533 } 3534 3535 /** 3536 * ice_vc_repr_del_mac - response with success for deleting MAC 3537 * @vf: pointer to VF 3538 * @msg: virtchannel message 3539 * 3540 * Respond with success to not break normal VF flow. 3541 * For legacy VF driver try to update cached MAC address. 3542 */ 3543 static int 3544 ice_vc_repr_del_mac(struct ice_vf __always_unused *vf, u8 __always_unused *msg) 3545 { 3546 struct virtchnl_ether_addr_list *al = 3547 (struct virtchnl_ether_addr_list *)msg; 3548 3549 ice_update_legacy_cached_mac(vf, &al->list[0]); 3550 3551 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DEL_ETH_ADDR, 3552 VIRTCHNL_STATUS_SUCCESS, NULL, 0); 3553 } 3554 3555 static int 3556 ice_vc_repr_cfg_promiscuous_mode(struct ice_vf *vf, u8 __always_unused *msg) 3557 { 3558 dev_dbg(ice_pf_to_dev(vf->pf), 3559 "Can't config promiscuous mode in switchdev mode for VF %d\n", 3560 vf->vf_id); 3561 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, 3562 VIRTCHNL_STATUS_ERR_NOT_SUPPORTED, 3563 NULL, 0); 3564 } 3565 3566 static const struct ice_virtchnl_ops ice_virtchnl_repr_ops = { 3567 .get_ver_msg = ice_vc_get_ver_msg, 3568 .get_vf_res_msg = ice_vc_get_vf_res_msg, 3569 .reset_vf = ice_vc_reset_vf_msg, 3570 .add_mac_addr_msg = ice_vc_repr_add_mac, 3571 .del_mac_addr_msg = ice_vc_repr_del_mac, 3572 .cfg_qs_msg = ice_vc_cfg_qs_msg, 3573 .ena_qs_msg = ice_vc_ena_qs_msg, 3574 .dis_qs_msg = ice_vc_dis_qs_msg, 3575 .request_qs_msg = ice_vc_request_qs_msg, 3576 .cfg_irq_map_msg = ice_vc_cfg_irq_map_msg, 3577 .config_rss_key = ice_vc_config_rss_key, 3578 .config_rss_lut = ice_vc_config_rss_lut, 3579 .get_stats_msg = ice_vc_get_stats_msg, 3580 .cfg_promiscuous_mode_msg = ice_vc_repr_cfg_promiscuous_mode, 3581 .add_vlan_msg = ice_vc_add_vlan_msg, 3582 .remove_vlan_msg = ice_vc_remove_vlan_msg, 3583 .ena_vlan_stripping = ice_vc_ena_vlan_stripping, 3584 .dis_vlan_stripping = ice_vc_dis_vlan_stripping, 3585 .handle_rss_cfg_msg = ice_vc_handle_rss_cfg, 3586 .add_fdir_fltr_msg = ice_vc_add_fdir_fltr, 3587 .del_fdir_fltr_msg = ice_vc_del_fdir_fltr, 3588 .get_offload_vlan_v2_caps = ice_vc_get_offload_vlan_v2_caps, 3589 .add_vlan_v2_msg = ice_vc_add_vlan_v2_msg, 3590 .remove_vlan_v2_msg = ice_vc_remove_vlan_v2_msg, 3591 .ena_vlan_stripping_v2_msg = ice_vc_ena_vlan_stripping_v2_msg, 3592 .dis_vlan_stripping_v2_msg = ice_vc_dis_vlan_stripping_v2_msg, 3593 .ena_vlan_insertion_v2_msg = ice_vc_ena_vlan_insertion_v2_msg, 3594 .dis_vlan_insertion_v2_msg = ice_vc_dis_vlan_insertion_v2_msg, 3595 }; 3596 3597 /** 3598 * ice_virtchnl_set_repr_ops - Switch to representor virtchnl ops 3599 * @vf: the VF to switch ops 3600 */ 3601 void ice_virtchnl_set_repr_ops(struct ice_vf *vf) 3602 { 3603 vf->virtchnl_ops = &ice_virtchnl_repr_ops; 3604 } 3605 3606 /** 3607 * ice_vc_process_vf_msg - Process request from VF 3608 * @pf: pointer to the PF structure 3609 * @event: pointer to the AQ event 3610 * 3611 * called from the common asq/arq handler to 3612 * process request from VF 3613 */ 3614 void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event) 3615 { 3616 u32 v_opcode = le32_to_cpu(event->desc.cookie_high); 3617 s16 vf_id = le16_to_cpu(event->desc.retval); 3618 const struct ice_virtchnl_ops *ops; 3619 u16 msglen = event->msg_len; 3620 u8 *msg = event->msg_buf; 3621 struct ice_vf *vf = NULL; 3622 struct device *dev; 3623 int err = 0; 3624 3625 dev = ice_pf_to_dev(pf); 3626 3627 vf = ice_get_vf_by_id(pf, vf_id); 3628 if (!vf) { 3629 dev_err(dev, "Unable to locate VF for message from VF ID %d, opcode %d, len %d\n", 3630 vf_id, v_opcode, msglen); 3631 return; 3632 } 3633 3634 mutex_lock(&vf->cfg_lock); 3635 3636 /* Check if VF is disabled. */ 3637 if (test_bit(ICE_VF_STATE_DIS, vf->vf_states)) { 3638 err = -EPERM; 3639 goto error_handler; 3640 } 3641 3642 ops = vf->virtchnl_ops; 3643 3644 /* Perform basic checks on the msg */ 3645 err = virtchnl_vc_validate_vf_msg(&vf->vf_ver, v_opcode, msg, msglen); 3646 if (err) { 3647 if (err == VIRTCHNL_STATUS_ERR_PARAM) 3648 err = -EPERM; 3649 else 3650 err = -EINVAL; 3651 } 3652 3653 error_handler: 3654 if (err) { 3655 ice_vc_send_msg_to_vf(vf, v_opcode, VIRTCHNL_STATUS_ERR_PARAM, 3656 NULL, 0); 3657 dev_err(dev, "Invalid message from VF %d, opcode %d, len %d, error %d\n", 3658 vf_id, v_opcode, msglen, err); 3659 goto finish; 3660 } 3661 3662 if (!ice_vc_is_opcode_allowed(vf, v_opcode)) { 3663 ice_vc_send_msg_to_vf(vf, v_opcode, 3664 VIRTCHNL_STATUS_ERR_NOT_SUPPORTED, NULL, 3665 0); 3666 goto finish; 3667 } 3668 3669 switch (v_opcode) { 3670 case VIRTCHNL_OP_VERSION: 3671 err = ops->get_ver_msg(vf, msg); 3672 break; 3673 case VIRTCHNL_OP_GET_VF_RESOURCES: 3674 err = ops->get_vf_res_msg(vf, msg); 3675 if (ice_vf_init_vlan_stripping(vf)) 3676 dev_dbg(dev, "Failed to initialize VLAN stripping for VF %d\n", 3677 vf->vf_id); 3678 ice_vc_notify_vf_link_state(vf); 3679 break; 3680 case VIRTCHNL_OP_RESET_VF: 3681 ops->reset_vf(vf); 3682 break; 3683 case VIRTCHNL_OP_ADD_ETH_ADDR: 3684 err = ops->add_mac_addr_msg(vf, msg); 3685 break; 3686 case VIRTCHNL_OP_DEL_ETH_ADDR: 3687 err = ops->del_mac_addr_msg(vf, msg); 3688 break; 3689 case VIRTCHNL_OP_CONFIG_VSI_QUEUES: 3690 err = ops->cfg_qs_msg(vf, msg); 3691 break; 3692 case VIRTCHNL_OP_ENABLE_QUEUES: 3693 err = ops->ena_qs_msg(vf, msg); 3694 ice_vc_notify_vf_link_state(vf); 3695 break; 3696 case VIRTCHNL_OP_DISABLE_QUEUES: 3697 err = ops->dis_qs_msg(vf, msg); 3698 break; 3699 case VIRTCHNL_OP_REQUEST_QUEUES: 3700 err = ops->request_qs_msg(vf, msg); 3701 break; 3702 case VIRTCHNL_OP_CONFIG_IRQ_MAP: 3703 err = ops->cfg_irq_map_msg(vf, msg); 3704 break; 3705 case VIRTCHNL_OP_CONFIG_RSS_KEY: 3706 err = ops->config_rss_key(vf, msg); 3707 break; 3708 case VIRTCHNL_OP_CONFIG_RSS_LUT: 3709 err = ops->config_rss_lut(vf, msg); 3710 break; 3711 case VIRTCHNL_OP_GET_STATS: 3712 err = ops->get_stats_msg(vf, msg); 3713 break; 3714 case VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE: 3715 err = ops->cfg_promiscuous_mode_msg(vf, msg); 3716 break; 3717 case VIRTCHNL_OP_ADD_VLAN: 3718 err = ops->add_vlan_msg(vf, msg); 3719 break; 3720 case VIRTCHNL_OP_DEL_VLAN: 3721 err = ops->remove_vlan_msg(vf, msg); 3722 break; 3723 case VIRTCHNL_OP_ENABLE_VLAN_STRIPPING: 3724 err = ops->ena_vlan_stripping(vf); 3725 break; 3726 case VIRTCHNL_OP_DISABLE_VLAN_STRIPPING: 3727 err = ops->dis_vlan_stripping(vf); 3728 break; 3729 case VIRTCHNL_OP_ADD_FDIR_FILTER: 3730 err = ops->add_fdir_fltr_msg(vf, msg); 3731 break; 3732 case VIRTCHNL_OP_DEL_FDIR_FILTER: 3733 err = ops->del_fdir_fltr_msg(vf, msg); 3734 break; 3735 case VIRTCHNL_OP_ADD_RSS_CFG: 3736 err = ops->handle_rss_cfg_msg(vf, msg, true); 3737 break; 3738 case VIRTCHNL_OP_DEL_RSS_CFG: 3739 err = ops->handle_rss_cfg_msg(vf, msg, false); 3740 break; 3741 case VIRTCHNL_OP_GET_OFFLOAD_VLAN_V2_CAPS: 3742 err = ops->get_offload_vlan_v2_caps(vf); 3743 break; 3744 case VIRTCHNL_OP_ADD_VLAN_V2: 3745 err = ops->add_vlan_v2_msg(vf, msg); 3746 break; 3747 case VIRTCHNL_OP_DEL_VLAN_V2: 3748 err = ops->remove_vlan_v2_msg(vf, msg); 3749 break; 3750 case VIRTCHNL_OP_ENABLE_VLAN_STRIPPING_V2: 3751 err = ops->ena_vlan_stripping_v2_msg(vf, msg); 3752 break; 3753 case VIRTCHNL_OP_DISABLE_VLAN_STRIPPING_V2: 3754 err = ops->dis_vlan_stripping_v2_msg(vf, msg); 3755 break; 3756 case VIRTCHNL_OP_ENABLE_VLAN_INSERTION_V2: 3757 err = ops->ena_vlan_insertion_v2_msg(vf, msg); 3758 break; 3759 case VIRTCHNL_OP_DISABLE_VLAN_INSERTION_V2: 3760 err = ops->dis_vlan_insertion_v2_msg(vf, msg); 3761 break; 3762 case VIRTCHNL_OP_UNKNOWN: 3763 default: 3764 dev_err(dev, "Unsupported opcode %d from VF %d\n", v_opcode, 3765 vf_id); 3766 err = ice_vc_send_msg_to_vf(vf, v_opcode, 3767 VIRTCHNL_STATUS_ERR_NOT_SUPPORTED, 3768 NULL, 0); 3769 break; 3770 } 3771 if (err) { 3772 /* Helper function cares less about error return values here 3773 * as it is busy with pending work. 3774 */ 3775 dev_info(dev, "PF failed to honor VF %d, opcode %d, error %d\n", 3776 vf_id, v_opcode, err); 3777 } 3778 3779 finish: 3780 mutex_unlock(&vf->cfg_lock); 3781 ice_put_vf(vf); 3782 } 3783