4201 lines · c
1// SPDX-License-Identifier: GPL-2.02/* 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 19struct 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 24static 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 49struct ice_vc_hash_field_match_type {50 u32 vc_hdr; /* virtchnl headers51 * (VIRTCHNL_PROTO_HDR_XXX)52 */53 u32 vc_hash_field; /* virtchnl hash fields selector54 * FIELD_SELECTOR((VIRTCHNL_PROTO_HDR_ETH_XXX))55 */56 u64 ice_hash_field; /* ice hash fields57 * (BIT_ULL(ICE_FLOW_FIELD_IDX_XXX))58 */59};60 61static const struct62ice_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 PF170 * @pf: pointer to the PF structure171 * @v_opcode: operation code172 * @v_retval: return value173 * @msg: pointer to the msg buffer174 * @msglen: msg length175 */176static void177ice_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, but192 * we need to keep going and send to all of them193 */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_event202 * @vf: pointer to the VF structure203 * @pfe: pointer to the virtchnl_pf_event to set link speed/status for204 * @ice_link_speed: link speed specified by ICE_AQ_LINK_SPEED_*205 * @link_up: whether or not to set the link up/down206 */207static void208ice_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 status227 * @vf: pointer to the VF structure228 *229 * send a link status message to a single VF230 */231void 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 else243 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 status252 * @pf: pointer to the PF structure253 */254void 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 VFs267 * @pf: pointer to the PF structure268 *269 * indicate a pending reset to all VFs on a given PF270 */271void 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 VF286 * @vf: pointer to the VF info287 * @v_opcode: virtual channel opcode288 * @v_retval: virtual channel return value289 * @msg: pointer to the msg buffer290 * @msglen: msg length291 *292 * send msg to VF293 */294int295ice_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_msg319 * @vf: pointer to the VF info320 * @msg: pointer to the msg buffer321 *322 * called from the VF to request the API version used by the PF323 */324static 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_MINOR328 };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 VF342 * @vf: VF used to determine max frame size343 *344 * Max frame size is determined based on the current port's max frame size and345 * whether a port VLAN is configured on this VF. The VF is not aware whether346 * it's in a port VLAN so the PF needs to account for this in max frame size347 * checks and sending the max frame size to the VF.348 */349static 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_caps364 * @hw: pointer to the hw365 * @vf: pointer to the VF info366 * @vsi: pointer to the VSI367 * @driver_caps: current driver caps368 *369 * Return 0 if there is no VLAN caps supported, or VLAN caps value370 */371static u32372ice_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 for384 * these two conditions, which amounts to guest VLAN filtering385 * and offloads being based on the inner VLAN or the386 * inner/single VLAN respectively and don't allow VF to387 * negotiate VIRTCHNL_VF_OFFLOAD in any other cases388 */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 that394 * only support VIRTCHNL_VF_OFFLOAD_VLAN, the PF is395 * configured in SVM, and no port VLAN is configured396 */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 DVM401 * is enabled, but no port VLAN is enabled402 */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_msg412 * @vf: pointer to the VF info413 * @msg: pointer to the msg buffer414 *415 * called from the VF to request its resources416 */417static 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 = virtchnl_struct_size(vfres, vsi_res, 0);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 else442 vf->driver_caps = VIRTCHNL_VF_OFFLOAD_L2 |443 VIRTCHNL_VF_OFFLOAD_VLAN;444 445 vfres->vf_cap_flags = VIRTCHNL_VF_OFFLOAD_L2;446 vsi = ice_get_vf_vsi(vf);447 if (!vsi) {448 v_ret = VIRTCHNL_STATUS_ERR_PARAM;449 goto err;450 }451 452 vfres->vf_cap_flags |= ice_vc_get_vlan_caps(hw, vf, vsi,453 vf->driver_caps);454 455 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RSS_PF)456 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RSS_PF;457 458 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC)459 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC;460 461 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_FDIR_PF)462 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_FDIR_PF;463 464 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_TC_U32 &&465 vfres->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_FDIR_PF)466 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_TC_U32;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_OFFLOAD_CRC)487 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_CRC;488 489 if (vf->driver_caps & VIRTCHNL_VF_CAP_ADV_LINK_SPEED)490 vfres->vf_cap_flags |= VIRTCHNL_VF_CAP_ADV_LINK_SPEED;491 492 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF)493 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF;494 495 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_USO)496 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_USO;497 498 vfres->num_vsis = 1;499 /* Tx and Rx queue are equal for VF */500 vfres->num_queue_pairs = vsi->num_txq;501 vfres->max_vectors = vf->num_msix;502 vfres->rss_key_size = ICE_VSIQF_HKEY_ARRAY_SIZE;503 vfres->rss_lut_size = ICE_LUT_VSI_SIZE;504 vfres->max_mtu = ice_vc_get_max_frame_size(vf);505 506 vfres->vsi_res[0].vsi_id = ICE_VF_VSI_ID;507 vfres->vsi_res[0].vsi_type = VIRTCHNL_VSI_SRIOV;508 vfres->vsi_res[0].num_queue_pairs = vsi->num_txq;509 ether_addr_copy(vfres->vsi_res[0].default_mac_addr,510 vf->hw_lan_addr);511 512 /* match guest capabilities */513 vf->driver_caps = vfres->vf_cap_flags;514 515 ice_vc_set_caps_allowlist(vf);516 ice_vc_set_working_allowlist(vf);517 518 set_bit(ICE_VF_STATE_ACTIVE, vf->vf_states);519 520err:521 /* send the response back to the VF */522 ret = ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_VF_RESOURCES, v_ret,523 (u8 *)vfres, len);524 525 kfree(vfres);526 return ret;527}528 529/**530 * ice_vc_reset_vf_msg531 * @vf: pointer to the VF info532 *533 * called from the VF to reset itself,534 * unlike other virtchnl messages, PF driver535 * doesn't send the response back to the VF536 */537static void ice_vc_reset_vf_msg(struct ice_vf *vf)538{539 if (test_bit(ICE_VF_STATE_INIT, vf->vf_states))540 ice_reset_vf(vf, 0);541}542 543/**544 * ice_vc_isvalid_vsi_id545 * @vf: pointer to the VF info546 * @vsi_id: VF relative VSI ID547 *548 * check for the valid VSI ID549 */550bool ice_vc_isvalid_vsi_id(struct ice_vf *vf, u16 vsi_id)551{552 return vsi_id == ICE_VF_VSI_ID;553}554 555/**556 * ice_vc_isvalid_q_id557 * @vsi: VSI to check queue ID against558 * @qid: VSI relative queue ID559 *560 * check for the valid queue ID561 */562static bool ice_vc_isvalid_q_id(struct ice_vsi *vsi, u8 qid)563{564 /* allocated Tx and Rx queues should be always equal for VF VSI */565 return qid < vsi->alloc_txq;566}567 568/**569 * ice_vc_isvalid_ring_len570 * @ring_len: length of ring571 *572 * check for the valid ring count, should be multiple of ICE_REQ_DESC_MULTIPLE573 * or zero574 */575static bool ice_vc_isvalid_ring_len(u16 ring_len)576{577 return ring_len == 0 ||578 (ring_len >= ICE_MIN_NUM_DESC &&579 ring_len <= ICE_MAX_NUM_DESC &&580 !(ring_len % ICE_REQ_DESC_MULTIPLE));581}582 583/**584 * ice_vc_validate_pattern585 * @vf: pointer to the VF info586 * @proto: virtchnl protocol headers587 *588 * validate the pattern is supported or not.589 *590 * Return: true on success, false on error.591 */592bool593ice_vc_validate_pattern(struct ice_vf *vf, struct virtchnl_proto_hdrs *proto)594{595 bool is_ipv4 = false;596 bool is_ipv6 = false;597 bool is_udp = false;598 u16 ptype = -1;599 int i = 0;600 601 while (i < proto->count &&602 proto->proto_hdr[i].type != VIRTCHNL_PROTO_HDR_NONE) {603 switch (proto->proto_hdr[i].type) {604 case VIRTCHNL_PROTO_HDR_ETH:605 ptype = ICE_PTYPE_MAC_PAY;606 break;607 case VIRTCHNL_PROTO_HDR_IPV4:608 ptype = ICE_PTYPE_IPV4_PAY;609 is_ipv4 = true;610 break;611 case VIRTCHNL_PROTO_HDR_IPV6:612 ptype = ICE_PTYPE_IPV6_PAY;613 is_ipv6 = true;614 break;615 case VIRTCHNL_PROTO_HDR_UDP:616 if (is_ipv4)617 ptype = ICE_PTYPE_IPV4_UDP_PAY;618 else if (is_ipv6)619 ptype = ICE_PTYPE_IPV6_UDP_PAY;620 is_udp = true;621 break;622 case VIRTCHNL_PROTO_HDR_TCP:623 if (is_ipv4)624 ptype = ICE_PTYPE_IPV4_TCP_PAY;625 else if (is_ipv6)626 ptype = ICE_PTYPE_IPV6_TCP_PAY;627 break;628 case VIRTCHNL_PROTO_HDR_SCTP:629 if (is_ipv4)630 ptype = ICE_PTYPE_IPV4_SCTP_PAY;631 else if (is_ipv6)632 ptype = ICE_PTYPE_IPV6_SCTP_PAY;633 break;634 case VIRTCHNL_PROTO_HDR_GTPU_IP:635 case VIRTCHNL_PROTO_HDR_GTPU_EH:636 if (is_ipv4)637 ptype = ICE_MAC_IPV4_GTPU;638 else if (is_ipv6)639 ptype = ICE_MAC_IPV6_GTPU;640 goto out;641 case VIRTCHNL_PROTO_HDR_L2TPV3:642 if (is_ipv4)643 ptype = ICE_MAC_IPV4_L2TPV3;644 else if (is_ipv6)645 ptype = ICE_MAC_IPV6_L2TPV3;646 goto out;647 case VIRTCHNL_PROTO_HDR_ESP:648 if (is_ipv4)649 ptype = is_udp ? ICE_MAC_IPV4_NAT_T_ESP :650 ICE_MAC_IPV4_ESP;651 else if (is_ipv6)652 ptype = is_udp ? ICE_MAC_IPV6_NAT_T_ESP :653 ICE_MAC_IPV6_ESP;654 goto out;655 case VIRTCHNL_PROTO_HDR_AH:656 if (is_ipv4)657 ptype = ICE_MAC_IPV4_AH;658 else if (is_ipv6)659 ptype = ICE_MAC_IPV6_AH;660 goto out;661 case VIRTCHNL_PROTO_HDR_PFCP:662 if (is_ipv4)663 ptype = ICE_MAC_IPV4_PFCP_SESSION;664 else if (is_ipv6)665 ptype = ICE_MAC_IPV6_PFCP_SESSION;666 goto out;667 default:668 break;669 }670 i++;671 }672 673out:674 return ice_hw_ptype_ena(&vf->pf->hw, ptype);675}676 677/**678 * ice_vc_parse_rss_cfg - parses hash fields and headers from679 * a specific virtchnl RSS cfg680 * @hw: pointer to the hardware681 * @rss_cfg: pointer to the virtchnl RSS cfg682 * @hash_cfg: pointer to the HW hash configuration683 *684 * Return true if all the protocol header and hash fields in the RSS cfg could685 * be parsed, else return false686 *687 * This function parses the virtchnl RSS cfg to be the intended688 * hash fields and the intended header for RSS configuration689 */690static bool ice_vc_parse_rss_cfg(struct ice_hw *hw,691 struct virtchnl_rss_cfg *rss_cfg,692 struct ice_rss_hash_cfg *hash_cfg)693{694 const struct ice_vc_hash_field_match_type *hf_list;695 const struct ice_vc_hdr_match_type *hdr_list;696 int i, hf_list_len, hdr_list_len;697 u32 *addl_hdrs = &hash_cfg->addl_hdrs;698 u64 *hash_flds = &hash_cfg->hash_flds;699 700 /* set outer layer RSS as default */701 hash_cfg->hdr_type = ICE_RSS_OUTER_HEADERS;702 703 if (rss_cfg->rss_algorithm == VIRTCHNL_RSS_ALG_TOEPLITZ_SYMMETRIC)704 hash_cfg->symm = true;705 else706 hash_cfg->symm = false;707 708 hf_list = ice_vc_hash_field_list;709 hf_list_len = ARRAY_SIZE(ice_vc_hash_field_list);710 hdr_list = ice_vc_hdr_list;711 hdr_list_len = ARRAY_SIZE(ice_vc_hdr_list);712 713 for (i = 0; i < rss_cfg->proto_hdrs.count; i++) {714 struct virtchnl_proto_hdr *proto_hdr =715 &rss_cfg->proto_hdrs.proto_hdr[i];716 bool hdr_found = false;717 int j;718 719 /* Find matched ice headers according to virtchnl headers. */720 for (j = 0; j < hdr_list_len; j++) {721 struct ice_vc_hdr_match_type hdr_map = hdr_list[j];722 723 if (proto_hdr->type == hdr_map.vc_hdr) {724 *addl_hdrs |= hdr_map.ice_hdr;725 hdr_found = true;726 }727 }728 729 if (!hdr_found)730 return false;731 732 /* Find matched ice hash fields according to733 * virtchnl hash fields.734 */735 for (j = 0; j < hf_list_len; j++) {736 struct ice_vc_hash_field_match_type hf_map = hf_list[j];737 738 if (proto_hdr->type == hf_map.vc_hdr &&739 proto_hdr->field_selector == hf_map.vc_hash_field) {740 *hash_flds |= hf_map.ice_hash_field;741 break;742 }743 }744 }745 746 return true;747}748 749/**750 * ice_vf_adv_rss_offload_ena - determine if capabilities support advanced751 * RSS offloads752 * @caps: VF driver negotiated capabilities753 *754 * Return true if VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF capability is set,755 * else return false756 */757static bool ice_vf_adv_rss_offload_ena(u32 caps)758{759 return !!(caps & VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF);760}761 762/**763 * ice_vc_handle_rss_cfg764 * @vf: pointer to the VF info765 * @msg: pointer to the message buffer766 * @add: add a RSS config if true, otherwise delete a RSS config767 *768 * This function adds/deletes a RSS config769 */770static int ice_vc_handle_rss_cfg(struct ice_vf *vf, u8 *msg, bool add)771{772 u32 v_opcode = add ? VIRTCHNL_OP_ADD_RSS_CFG : VIRTCHNL_OP_DEL_RSS_CFG;773 struct virtchnl_rss_cfg *rss_cfg = (struct virtchnl_rss_cfg *)msg;774 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;775 struct device *dev = ice_pf_to_dev(vf->pf);776 struct ice_hw *hw = &vf->pf->hw;777 struct ice_vsi *vsi;778 779 if (!test_bit(ICE_FLAG_RSS_ENA, vf->pf->flags)) {780 dev_dbg(dev, "VF %d attempting to configure RSS, but RSS is not supported by the PF\n",781 vf->vf_id);782 v_ret = VIRTCHNL_STATUS_ERR_NOT_SUPPORTED;783 goto error_param;784 }785 786 if (!ice_vf_adv_rss_offload_ena(vf->driver_caps)) {787 dev_dbg(dev, "VF %d attempting to configure RSS, but Advanced RSS offload is not supported\n",788 vf->vf_id);789 v_ret = VIRTCHNL_STATUS_ERR_PARAM;790 goto error_param;791 }792 793 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {794 v_ret = VIRTCHNL_STATUS_ERR_PARAM;795 goto error_param;796 }797 798 if (rss_cfg->proto_hdrs.count > VIRTCHNL_MAX_NUM_PROTO_HDRS ||799 rss_cfg->rss_algorithm < VIRTCHNL_RSS_ALG_TOEPLITZ_ASYMMETRIC ||800 rss_cfg->rss_algorithm > VIRTCHNL_RSS_ALG_XOR_SYMMETRIC) {801 dev_dbg(dev, "VF %d attempting to configure RSS, but RSS configuration is not valid\n",802 vf->vf_id);803 v_ret = VIRTCHNL_STATUS_ERR_PARAM;804 goto error_param;805 }806 807 vsi = ice_get_vf_vsi(vf);808 if (!vsi) {809 v_ret = VIRTCHNL_STATUS_ERR_PARAM;810 goto error_param;811 }812 813 if (!ice_vc_validate_pattern(vf, &rss_cfg->proto_hdrs)) {814 v_ret = VIRTCHNL_STATUS_ERR_PARAM;815 goto error_param;816 }817 818 if (rss_cfg->rss_algorithm == VIRTCHNL_RSS_ALG_R_ASYMMETRIC) {819 struct ice_vsi_ctx *ctx;820 u8 lut_type, hash_type;821 int status;822 823 lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_VSI;824 hash_type = add ? ICE_AQ_VSI_Q_OPT_RSS_HASH_XOR :825 ICE_AQ_VSI_Q_OPT_RSS_HASH_TPLZ;826 827 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);828 if (!ctx) {829 v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY;830 goto error_param;831 }832 833 ctx->info.q_opt_rss =834 FIELD_PREP(ICE_AQ_VSI_Q_OPT_RSS_LUT_M, lut_type) |835 FIELD_PREP(ICE_AQ_VSI_Q_OPT_RSS_HASH_M, hash_type);836 837 /* Preserve existing queueing option setting */838 ctx->info.q_opt_rss |= (vsi->info.q_opt_rss &839 ICE_AQ_VSI_Q_OPT_RSS_GBL_LUT_M);840 ctx->info.q_opt_tc = vsi->info.q_opt_tc;841 ctx->info.q_opt_flags = vsi->info.q_opt_rss;842 843 ctx->info.valid_sections =844 cpu_to_le16(ICE_AQ_VSI_PROP_Q_OPT_VALID);845 846 status = ice_update_vsi(hw, vsi->idx, ctx, NULL);847 if (status) {848 dev_err(dev, "update VSI for RSS failed, err %d aq_err %s\n",849 status, ice_aq_str(hw->adminq.sq_last_status));850 v_ret = VIRTCHNL_STATUS_ERR_PARAM;851 } else {852 vsi->info.q_opt_rss = ctx->info.q_opt_rss;853 }854 855 kfree(ctx);856 } else {857 struct ice_rss_hash_cfg cfg;858 859 /* Only check for none raw pattern case */860 if (!ice_vc_validate_pattern(vf, &rss_cfg->proto_hdrs)) {861 v_ret = VIRTCHNL_STATUS_ERR_PARAM;862 goto error_param;863 }864 cfg.addl_hdrs = ICE_FLOW_SEG_HDR_NONE;865 cfg.hash_flds = ICE_HASH_INVALID;866 cfg.hdr_type = ICE_RSS_ANY_HEADERS;867 868 if (!ice_vc_parse_rss_cfg(hw, rss_cfg, &cfg)) {869 v_ret = VIRTCHNL_STATUS_ERR_PARAM;870 goto error_param;871 }872 873 if (add) {874 if (ice_add_rss_cfg(hw, vsi, &cfg)) {875 v_ret = VIRTCHNL_STATUS_ERR_PARAM;876 dev_err(dev, "ice_add_rss_cfg failed for vsi = %d, v_ret = %d\n",877 vsi->vsi_num, v_ret);878 }879 } else {880 int status;881 882 status = ice_rem_rss_cfg(hw, vsi->idx, &cfg);883 /* We just ignore -ENOENT, because if two configurations884 * share the same profile remove one of them actually885 * removes both, since the profile is deleted.886 */887 if (status && status != -ENOENT) {888 v_ret = VIRTCHNL_STATUS_ERR_PARAM;889 dev_err(dev, "ice_rem_rss_cfg failed for VF ID:%d, error:%d\n",890 vf->vf_id, status);891 }892 }893 }894 895error_param:896 return ice_vc_send_msg_to_vf(vf, v_opcode, v_ret, NULL, 0);897}898 899/**900 * ice_vc_config_rss_key901 * @vf: pointer to the VF info902 * @msg: pointer to the msg buffer903 *904 * Configure the VF's RSS key905 */906static int ice_vc_config_rss_key(struct ice_vf *vf, u8 *msg)907{908 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;909 struct virtchnl_rss_key *vrk =910 (struct virtchnl_rss_key *)msg;911 struct ice_vsi *vsi;912 913 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {914 v_ret = VIRTCHNL_STATUS_ERR_PARAM;915 goto error_param;916 }917 918 if (!ice_vc_isvalid_vsi_id(vf, vrk->vsi_id)) {919 v_ret = VIRTCHNL_STATUS_ERR_PARAM;920 goto error_param;921 }922 923 if (vrk->key_len != ICE_VSIQF_HKEY_ARRAY_SIZE) {924 v_ret = VIRTCHNL_STATUS_ERR_PARAM;925 goto error_param;926 }927 928 if (!test_bit(ICE_FLAG_RSS_ENA, vf->pf->flags)) {929 v_ret = VIRTCHNL_STATUS_ERR_PARAM;930 goto error_param;931 }932 933 vsi = ice_get_vf_vsi(vf);934 if (!vsi) {935 v_ret = VIRTCHNL_STATUS_ERR_PARAM;936 goto error_param;937 }938 939 if (ice_set_rss_key(vsi, vrk->key))940 v_ret = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR;941error_param:942 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_RSS_KEY, v_ret,943 NULL, 0);944}945 946/**947 * ice_vc_config_rss_lut948 * @vf: pointer to the VF info949 * @msg: pointer to the msg buffer950 *951 * Configure the VF's RSS LUT952 */953static int ice_vc_config_rss_lut(struct ice_vf *vf, u8 *msg)954{955 struct virtchnl_rss_lut *vrl = (struct virtchnl_rss_lut *)msg;956 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;957 struct ice_vsi *vsi;958 959 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {960 v_ret = VIRTCHNL_STATUS_ERR_PARAM;961 goto error_param;962 }963 964 if (!ice_vc_isvalid_vsi_id(vf, vrl->vsi_id)) {965 v_ret = VIRTCHNL_STATUS_ERR_PARAM;966 goto error_param;967 }968 969 if (vrl->lut_entries != ICE_LUT_VSI_SIZE) {970 v_ret = VIRTCHNL_STATUS_ERR_PARAM;971 goto error_param;972 }973 974 if (!test_bit(ICE_FLAG_RSS_ENA, vf->pf->flags)) {975 v_ret = VIRTCHNL_STATUS_ERR_PARAM;976 goto error_param;977 }978 979 vsi = ice_get_vf_vsi(vf);980 if (!vsi) {981 v_ret = VIRTCHNL_STATUS_ERR_PARAM;982 goto error_param;983 }984 985 if (ice_set_rss_lut(vsi, vrl->lut, ICE_LUT_VSI_SIZE))986 v_ret = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR;987error_param:988 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_RSS_LUT, v_ret,989 NULL, 0);990}991 992/**993 * ice_vc_config_rss_hfunc994 * @vf: pointer to the VF info995 * @msg: pointer to the msg buffer996 *997 * Configure the VF's RSS Hash function998 */999static int ice_vc_config_rss_hfunc(struct ice_vf *vf, u8 *msg)1000{1001 struct virtchnl_rss_hfunc *vrh = (struct virtchnl_rss_hfunc *)msg;1002 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;1003 u8 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_TPLZ;1004 struct ice_vsi *vsi;1005 1006 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {1007 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1008 goto error_param;1009 }1010 1011 if (!ice_vc_isvalid_vsi_id(vf, vrh->vsi_id)) {1012 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1013 goto error_param;1014 }1015 1016 if (!test_bit(ICE_FLAG_RSS_ENA, vf->pf->flags)) {1017 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1018 goto error_param;1019 }1020 1021 vsi = ice_get_vf_vsi(vf);1022 if (!vsi) {1023 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1024 goto error_param;1025 }1026 1027 if (vrh->rss_algorithm == VIRTCHNL_RSS_ALG_TOEPLITZ_SYMMETRIC)1028 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ;1029 1030 if (ice_set_rss_hfunc(vsi, hfunc))1031 v_ret = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR;1032error_param:1033 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_RSS_HFUNC, v_ret,1034 NULL, 0);1035}1036 1037/**1038 * ice_vc_cfg_promiscuous_mode_msg1039 * @vf: pointer to the VF info1040 * @msg: pointer to the msg buffer1041 *1042 * called from the VF to configure VF VSIs promiscuous mode1043 */1044static int ice_vc_cfg_promiscuous_mode_msg(struct ice_vf *vf, u8 *msg)1045{1046 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;1047 bool rm_promisc, alluni = false, allmulti = false;1048 struct virtchnl_promisc_info *info =1049 (struct virtchnl_promisc_info *)msg;1050 struct ice_vsi_vlan_ops *vlan_ops;1051 int mcast_err = 0, ucast_err = 0;1052 struct ice_pf *pf = vf->pf;1053 struct ice_vsi *vsi;1054 u8 mcast_m, ucast_m;1055 struct device *dev;1056 int ret = 0;1057 1058 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {1059 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1060 goto error_param;1061 }1062 1063 if (!ice_vc_isvalid_vsi_id(vf, info->vsi_id)) {1064 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1065 goto error_param;1066 }1067 1068 vsi = ice_get_vf_vsi(vf);1069 if (!vsi) {1070 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1071 goto error_param;1072 }1073 1074 dev = ice_pf_to_dev(pf);1075 if (!ice_is_vf_trusted(vf)) {1076 dev_err(dev, "Unprivileged VF %d is attempting to configure promiscuous mode\n",1077 vf->vf_id);1078 /* Leave v_ret alone, lie to the VF on purpose. */1079 goto error_param;1080 }1081 1082 if (info->flags & FLAG_VF_UNICAST_PROMISC)1083 alluni = true;1084 1085 if (info->flags & FLAG_VF_MULTICAST_PROMISC)1086 allmulti = true;1087 1088 rm_promisc = !allmulti && !alluni;1089 1090 vlan_ops = ice_get_compat_vsi_vlan_ops(vsi);1091 if (rm_promisc)1092 ret = vlan_ops->ena_rx_filtering(vsi);1093 else1094 ret = vlan_ops->dis_rx_filtering(vsi);1095 if (ret) {1096 dev_err(dev, "Failed to configure VLAN pruning in promiscuous mode\n");1097 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1098 goto error_param;1099 }1100 1101 ice_vf_get_promisc_masks(vf, vsi, &ucast_m, &mcast_m);1102 1103 if (!test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags)) {1104 if (alluni) {1105 /* in this case we're turning on promiscuous mode */1106 ret = ice_set_dflt_vsi(vsi);1107 } else {1108 /* in this case we're turning off promiscuous mode */1109 if (ice_is_dflt_vsi_in_use(vsi->port_info))1110 ret = ice_clear_dflt_vsi(vsi);1111 }1112 1113 /* in this case we're turning on/off only1114 * allmulticast1115 */1116 if (allmulti)1117 mcast_err = ice_vf_set_vsi_promisc(vf, vsi, mcast_m);1118 else1119 mcast_err = ice_vf_clear_vsi_promisc(vf, vsi, mcast_m);1120 1121 if (ret) {1122 dev_err(dev, "Turning on/off promiscuous mode for VF %d failed, error: %d\n",1123 vf->vf_id, ret);1124 v_ret = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR;1125 goto error_param;1126 }1127 } else {1128 if (alluni)1129 ucast_err = ice_vf_set_vsi_promisc(vf, vsi, ucast_m);1130 else1131 ucast_err = ice_vf_clear_vsi_promisc(vf, vsi, ucast_m);1132 1133 if (allmulti)1134 mcast_err = ice_vf_set_vsi_promisc(vf, vsi, mcast_m);1135 else1136 mcast_err = ice_vf_clear_vsi_promisc(vf, vsi, mcast_m);1137 1138 if (ucast_err || mcast_err)1139 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1140 }1141 1142 if (!mcast_err) {1143 if (allmulti &&1144 !test_and_set_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states))1145 dev_info(dev, "VF %u successfully set multicast promiscuous mode\n",1146 vf->vf_id);1147 else if (!allmulti &&1148 test_and_clear_bit(ICE_VF_STATE_MC_PROMISC,1149 vf->vf_states))1150 dev_info(dev, "VF %u successfully unset multicast promiscuous mode\n",1151 vf->vf_id);1152 } else {1153 dev_err(dev, "Error while modifying multicast promiscuous mode for VF %u, error: %d\n",1154 vf->vf_id, mcast_err);1155 }1156 1157 if (!ucast_err) {1158 if (alluni &&1159 !test_and_set_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states))1160 dev_info(dev, "VF %u successfully set unicast promiscuous mode\n",1161 vf->vf_id);1162 else if (!alluni &&1163 test_and_clear_bit(ICE_VF_STATE_UC_PROMISC,1164 vf->vf_states))1165 dev_info(dev, "VF %u successfully unset unicast promiscuous mode\n",1166 vf->vf_id);1167 } else {1168 dev_err(dev, "Error while modifying unicast promiscuous mode for VF %u, error: %d\n",1169 vf->vf_id, ucast_err);1170 }1171 1172error_param:1173 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE,1174 v_ret, NULL, 0);1175}1176 1177/**1178 * ice_vc_get_stats_msg1179 * @vf: pointer to the VF info1180 * @msg: pointer to the msg buffer1181 *1182 * called from the VF to get VSI stats1183 */1184static int ice_vc_get_stats_msg(struct ice_vf *vf, u8 *msg)1185{1186 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;1187 struct virtchnl_queue_select *vqs =1188 (struct virtchnl_queue_select *)msg;1189 struct ice_eth_stats stats = { 0 };1190 struct ice_vsi *vsi;1191 1192 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {1193 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1194 goto error_param;1195 }1196 1197 if (!ice_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {1198 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1199 goto error_param;1200 }1201 1202 vsi = ice_get_vf_vsi(vf);1203 if (!vsi) {1204 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1205 goto error_param;1206 }1207 1208 ice_update_eth_stats(vsi);1209 1210 stats = vsi->eth_stats;1211 1212error_param:1213 /* send the response to the VF */1214 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_STATS, v_ret,1215 (u8 *)&stats, sizeof(stats));1216}1217 1218/**1219 * ice_vc_validate_vqs_bitmaps - validate Rx/Tx queue bitmaps from VIRTCHNL1220 * @vqs: virtchnl_queue_select structure containing bitmaps to validate1221 *1222 * Return true on successful validation, else false1223 */1224static bool ice_vc_validate_vqs_bitmaps(struct virtchnl_queue_select *vqs)1225{1226 if ((!vqs->rx_queues && !vqs->tx_queues) ||1227 vqs->rx_queues >= BIT(ICE_MAX_RSS_QS_PER_VF) ||1228 vqs->tx_queues >= BIT(ICE_MAX_RSS_QS_PER_VF))1229 return false;1230 1231 return true;1232}1233 1234/**1235 * ice_vf_ena_txq_interrupt - enable Tx queue interrupt via QINT_TQCTL1236 * @vsi: VSI of the VF to configure1237 * @q_idx: VF queue index used to determine the queue in the PF's space1238 */1239static void ice_vf_ena_txq_interrupt(struct ice_vsi *vsi, u32 q_idx)1240{1241 struct ice_hw *hw = &vsi->back->hw;1242 u32 pfq = vsi->txq_map[q_idx];1243 u32 reg;1244 1245 reg = rd32(hw, QINT_TQCTL(pfq));1246 1247 /* MSI-X index 0 in the VF's space is always for the OICR, which means1248 * this is most likely a poll mode VF driver, so don't enable an1249 * interrupt that was never configured via VIRTCHNL_OP_CONFIG_IRQ_MAP1250 */1251 if (!(reg & QINT_TQCTL_MSIX_INDX_M))1252 return;1253 1254 wr32(hw, QINT_TQCTL(pfq), reg | QINT_TQCTL_CAUSE_ENA_M);1255}1256 1257/**1258 * ice_vf_ena_rxq_interrupt - enable Tx queue interrupt via QINT_RQCTL1259 * @vsi: VSI of the VF to configure1260 * @q_idx: VF queue index used to determine the queue in the PF's space1261 */1262static void ice_vf_ena_rxq_interrupt(struct ice_vsi *vsi, u32 q_idx)1263{1264 struct ice_hw *hw = &vsi->back->hw;1265 u32 pfq = vsi->rxq_map[q_idx];1266 u32 reg;1267 1268 reg = rd32(hw, QINT_RQCTL(pfq));1269 1270 /* MSI-X index 0 in the VF's space is always for the OICR, which means1271 * this is most likely a poll mode VF driver, so don't enable an1272 * interrupt that was never configured via VIRTCHNL_OP_CONFIG_IRQ_MAP1273 */1274 if (!(reg & QINT_RQCTL_MSIX_INDX_M))1275 return;1276 1277 wr32(hw, QINT_RQCTL(pfq), reg | QINT_RQCTL_CAUSE_ENA_M);1278}1279 1280/**1281 * ice_vc_ena_qs_msg1282 * @vf: pointer to the VF info1283 * @msg: pointer to the msg buffer1284 *1285 * called from the VF to enable all or specific queue(s)1286 */1287static int ice_vc_ena_qs_msg(struct ice_vf *vf, u8 *msg)1288{1289 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;1290 struct virtchnl_queue_select *vqs =1291 (struct virtchnl_queue_select *)msg;1292 struct ice_vsi *vsi;1293 unsigned long q_map;1294 u16 vf_q_id;1295 1296 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {1297 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1298 goto error_param;1299 }1300 1301 if (!ice_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {1302 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1303 goto error_param;1304 }1305 1306 if (!ice_vc_validate_vqs_bitmaps(vqs)) {1307 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1308 goto error_param;1309 }1310 1311 vsi = ice_get_vf_vsi(vf);1312 if (!vsi) {1313 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1314 goto error_param;1315 }1316 1317 /* Enable only Rx rings, Tx rings were enabled by the FW when the1318 * Tx queue group list was configured and the context bits were1319 * programmed using ice_vsi_cfg_txqs1320 */1321 q_map = vqs->rx_queues;1322 for_each_set_bit(vf_q_id, &q_map, ICE_MAX_RSS_QS_PER_VF) {1323 if (!ice_vc_isvalid_q_id(vsi, vf_q_id)) {1324 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1325 goto error_param;1326 }1327 1328 /* Skip queue if enabled */1329 if (test_bit(vf_q_id, vf->rxq_ena))1330 continue;1331 1332 if (ice_vsi_ctrl_one_rx_ring(vsi, true, vf_q_id, true)) {1333 dev_err(ice_pf_to_dev(vsi->back), "Failed to enable Rx ring %d on VSI %d\n",1334 vf_q_id, vsi->vsi_num);1335 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1336 goto error_param;1337 }1338 1339 ice_vf_ena_rxq_interrupt(vsi, vf_q_id);1340 set_bit(vf_q_id, vf->rxq_ena);1341 }1342 1343 q_map = vqs->tx_queues;1344 for_each_set_bit(vf_q_id, &q_map, ICE_MAX_RSS_QS_PER_VF) {1345 if (!ice_vc_isvalid_q_id(vsi, vf_q_id)) {1346 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1347 goto error_param;1348 }1349 1350 /* Skip queue if enabled */1351 if (test_bit(vf_q_id, vf->txq_ena))1352 continue;1353 1354 ice_vf_ena_txq_interrupt(vsi, vf_q_id);1355 set_bit(vf_q_id, vf->txq_ena);1356 }1357 1358 /* Set flag to indicate that queues are enabled */1359 if (v_ret == VIRTCHNL_STATUS_SUCCESS)1360 set_bit(ICE_VF_STATE_QS_ENA, vf->vf_states);1361 1362error_param:1363 /* send the response to the VF */1364 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ENABLE_QUEUES, v_ret,1365 NULL, 0);1366}1367 1368/**1369 * ice_vf_vsi_dis_single_txq - disable a single Tx queue1370 * @vf: VF to disable queue for1371 * @vsi: VSI for the VF1372 * @q_id: VF relative (0-based) queue ID1373 *1374 * Attempt to disable the Tx queue passed in. If the Tx queue was successfully1375 * disabled then clear q_id bit in the enabled queues bitmap and return1376 * success. Otherwise return error.1377 */1378static int1379ice_vf_vsi_dis_single_txq(struct ice_vf *vf, struct ice_vsi *vsi, u16 q_id)1380{1381 struct ice_txq_meta txq_meta = { 0 };1382 struct ice_tx_ring *ring;1383 int err;1384 1385 if (!test_bit(q_id, vf->txq_ena))1386 dev_dbg(ice_pf_to_dev(vsi->back), "Queue %u on VSI %u is not enabled, but stopping it anyway\n",1387 q_id, vsi->vsi_num);1388 1389 ring = vsi->tx_rings[q_id];1390 if (!ring)1391 return -EINVAL;1392 1393 ice_fill_txq_meta(vsi, ring, &txq_meta);1394 1395 err = ice_vsi_stop_tx_ring(vsi, ICE_NO_RESET, vf->vf_id, ring, &txq_meta);1396 if (err) {1397 dev_err(ice_pf_to_dev(vsi->back), "Failed to stop Tx ring %d on VSI %d\n",1398 q_id, vsi->vsi_num);1399 return err;1400 }1401 1402 /* Clear enabled queues flag */1403 clear_bit(q_id, vf->txq_ena);1404 1405 return 0;1406}1407 1408/**1409 * ice_vc_dis_qs_msg1410 * @vf: pointer to the VF info1411 * @msg: pointer to the msg buffer1412 *1413 * called from the VF to disable all or specific queue(s)1414 */1415static int ice_vc_dis_qs_msg(struct ice_vf *vf, u8 *msg)1416{1417 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;1418 struct virtchnl_queue_select *vqs =1419 (struct virtchnl_queue_select *)msg;1420 struct ice_vsi *vsi;1421 unsigned long q_map;1422 u16 vf_q_id;1423 1424 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states) &&1425 !test_bit(ICE_VF_STATE_QS_ENA, vf->vf_states)) {1426 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1427 goto error_param;1428 }1429 1430 if (!ice_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {1431 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1432 goto error_param;1433 }1434 1435 if (!ice_vc_validate_vqs_bitmaps(vqs)) {1436 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1437 goto error_param;1438 }1439 1440 vsi = ice_get_vf_vsi(vf);1441 if (!vsi) {1442 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1443 goto error_param;1444 }1445 1446 if (vqs->tx_queues) {1447 q_map = vqs->tx_queues;1448 1449 for_each_set_bit(vf_q_id, &q_map, ICE_MAX_RSS_QS_PER_VF) {1450 if (!ice_vc_isvalid_q_id(vsi, vf_q_id)) {1451 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1452 goto error_param;1453 }1454 1455 if (ice_vf_vsi_dis_single_txq(vf, vsi, vf_q_id)) {1456 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1457 goto error_param;1458 }1459 }1460 }1461 1462 q_map = vqs->rx_queues;1463 /* speed up Rx queue disable by batching them if possible */1464 if (q_map &&1465 bitmap_equal(&q_map, vf->rxq_ena, ICE_MAX_RSS_QS_PER_VF)) {1466 if (ice_vsi_stop_all_rx_rings(vsi)) {1467 dev_err(ice_pf_to_dev(vsi->back), "Failed to stop all Rx rings on VSI %d\n",1468 vsi->vsi_num);1469 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1470 goto error_param;1471 }1472 1473 bitmap_zero(vf->rxq_ena, ICE_MAX_RSS_QS_PER_VF);1474 } else if (q_map) {1475 for_each_set_bit(vf_q_id, &q_map, ICE_MAX_RSS_QS_PER_VF) {1476 if (!ice_vc_isvalid_q_id(vsi, vf_q_id)) {1477 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1478 goto error_param;1479 }1480 1481 /* Skip queue if not enabled */1482 if (!test_bit(vf_q_id, vf->rxq_ena))1483 continue;1484 1485 if (ice_vsi_ctrl_one_rx_ring(vsi, false, vf_q_id,1486 true)) {1487 dev_err(ice_pf_to_dev(vsi->back), "Failed to stop Rx ring %d on VSI %d\n",1488 vf_q_id, vsi->vsi_num);1489 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1490 goto error_param;1491 }1492 1493 /* Clear enabled queues flag */1494 clear_bit(vf_q_id, vf->rxq_ena);1495 }1496 }1497 1498 /* Clear enabled queues flag */1499 if (v_ret == VIRTCHNL_STATUS_SUCCESS && ice_vf_has_no_qs_ena(vf))1500 clear_bit(ICE_VF_STATE_QS_ENA, vf->vf_states);1501 1502error_param:1503 /* send the response to the VF */1504 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DISABLE_QUEUES, v_ret,1505 NULL, 0);1506}1507 1508/**1509 * ice_cfg_interrupt1510 * @vf: pointer to the VF info1511 * @vsi: the VSI being configured1512 * @map: vector map for mapping vectors to queues1513 * @q_vector: structure for interrupt vector1514 * configure the IRQ to queue map1515 */1516static enum virtchnl_status_code1517ice_cfg_interrupt(struct ice_vf *vf, struct ice_vsi *vsi,1518 struct virtchnl_vector_map *map,1519 struct ice_q_vector *q_vector)1520{1521 u16 vsi_q_id, vsi_q_id_idx;1522 unsigned long qmap;1523 1524 q_vector->num_ring_rx = 0;1525 q_vector->num_ring_tx = 0;1526 1527 qmap = map->rxq_map;1528 for_each_set_bit(vsi_q_id_idx, &qmap, ICE_MAX_RSS_QS_PER_VF) {1529 vsi_q_id = vsi_q_id_idx;1530 1531 if (!ice_vc_isvalid_q_id(vsi, vsi_q_id))1532 return VIRTCHNL_STATUS_ERR_PARAM;1533 1534 q_vector->num_ring_rx++;1535 q_vector->rx.itr_idx = map->rxitr_idx;1536 vsi->rx_rings[vsi_q_id]->q_vector = q_vector;1537 ice_cfg_rxq_interrupt(vsi, vsi_q_id,1538 q_vector->vf_reg_idx,1539 q_vector->rx.itr_idx);1540 }1541 1542 qmap = map->txq_map;1543 for_each_set_bit(vsi_q_id_idx, &qmap, ICE_MAX_RSS_QS_PER_VF) {1544 vsi_q_id = vsi_q_id_idx;1545 1546 if (!ice_vc_isvalid_q_id(vsi, vsi_q_id))1547 return VIRTCHNL_STATUS_ERR_PARAM;1548 1549 q_vector->num_ring_tx++;1550 q_vector->tx.itr_idx = map->txitr_idx;1551 vsi->tx_rings[vsi_q_id]->q_vector = q_vector;1552 ice_cfg_txq_interrupt(vsi, vsi_q_id,1553 q_vector->vf_reg_idx,1554 q_vector->tx.itr_idx);1555 }1556 1557 return VIRTCHNL_STATUS_SUCCESS;1558}1559 1560/**1561 * ice_vc_cfg_irq_map_msg1562 * @vf: pointer to the VF info1563 * @msg: pointer to the msg buffer1564 *1565 * called from the VF to configure the IRQ to queue map1566 */1567static int ice_vc_cfg_irq_map_msg(struct ice_vf *vf, u8 *msg)1568{1569 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;1570 u16 num_q_vectors_mapped, vsi_id, vector_id;1571 struct virtchnl_irq_map_info *irqmap_info;1572 struct virtchnl_vector_map *map;1573 struct ice_vsi *vsi;1574 int i;1575 1576 irqmap_info = (struct virtchnl_irq_map_info *)msg;1577 num_q_vectors_mapped = irqmap_info->num_vectors;1578 1579 /* Check to make sure number of VF vectors mapped is not greater than1580 * number of VF vectors originally allocated, and check that1581 * there is actually at least a single VF queue vector mapped1582 */1583 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states) ||1584 vf->num_msix < num_q_vectors_mapped ||1585 !num_q_vectors_mapped) {1586 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1587 goto error_param;1588 }1589 1590 vsi = ice_get_vf_vsi(vf);1591 if (!vsi) {1592 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1593 goto error_param;1594 }1595 1596 for (i = 0; i < num_q_vectors_mapped; i++) {1597 struct ice_q_vector *q_vector;1598 1599 map = &irqmap_info->vecmap[i];1600 1601 vector_id = map->vector_id;1602 vsi_id = map->vsi_id;1603 /* vector_id is always 0-based for each VF, and can never be1604 * larger than or equal to the max allowed interrupts per VF1605 */1606 if (!(vector_id < vf->num_msix) ||1607 !ice_vc_isvalid_vsi_id(vf, vsi_id) ||1608 (!vector_id && (map->rxq_map || map->txq_map))) {1609 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1610 goto error_param;1611 }1612 1613 /* No need to map VF miscellaneous or rogue vector */1614 if (!vector_id)1615 continue;1616 1617 /* Subtract non queue vector from vector_id passed by VF1618 * to get actual number of VSI queue vector array index1619 */1620 q_vector = vsi->q_vectors[vector_id - ICE_NONQ_VECS_VF];1621 if (!q_vector) {1622 v_ret = VIRTCHNL_STATUS_ERR_PARAM;1623 goto error_param;1624 }1625 1626 /* lookout for the invalid queue index */1627 v_ret = ice_cfg_interrupt(vf, vsi, map, q_vector);1628 if (v_ret)1629 goto error_param;1630 }1631 1632error_param:1633 /* send the response to the VF */1634 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_IRQ_MAP, v_ret,1635 NULL, 0);1636}1637 1638/**1639 * ice_vc_cfg_qs_msg1640 * @vf: pointer to the VF info1641 * @msg: pointer to the msg buffer1642 *1643 * called from the VF to configure the Rx/Tx queues1644 */1645static int ice_vc_cfg_qs_msg(struct ice_vf *vf, u8 *msg)1646{1647 struct virtchnl_vsi_queue_config_info *qci =1648 (struct virtchnl_vsi_queue_config_info *)msg;1649 struct virtchnl_queue_pair_info *qpi;1650 struct ice_pf *pf = vf->pf;1651 struct ice_lag *lag;1652 struct ice_vsi *vsi;1653 u8 act_prt, pri_prt;1654 int i = -1, q_idx;1655 1656 lag = pf->lag;1657 mutex_lock(&pf->lag_mutex);1658 act_prt = ICE_LAG_INVALID_PORT;1659 pri_prt = pf->hw.port_info->lport;1660 if (lag && lag->bonded && lag->primary) {1661 act_prt = lag->active_port;1662 if (act_prt != pri_prt && act_prt != ICE_LAG_INVALID_PORT &&1663 lag->upper_netdev)1664 ice_lag_move_vf_nodes_cfg(lag, act_prt, pri_prt);1665 else1666 act_prt = ICE_LAG_INVALID_PORT;1667 }1668 1669 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states))1670 goto error_param;1671 1672 if (!ice_vc_isvalid_vsi_id(vf, qci->vsi_id))1673 goto error_param;1674 1675 vsi = ice_get_vf_vsi(vf);1676 if (!vsi)1677 goto error_param;1678 1679 if (qci->num_queue_pairs > ICE_MAX_RSS_QS_PER_VF ||1680 qci->num_queue_pairs > min_t(u16, vsi->alloc_txq, vsi->alloc_rxq)) {1681 dev_err(ice_pf_to_dev(pf), "VF-%d requesting more than supported number of queues: %d\n",1682 vf->vf_id, min_t(u16, vsi->alloc_txq, vsi->alloc_rxq));1683 goto error_param;1684 }1685 1686 for (i = 0; i < qci->num_queue_pairs; i++) {1687 if (!qci->qpair[i].rxq.crc_disable)1688 continue;1689 1690 if (!(vf->driver_caps & VIRTCHNL_VF_OFFLOAD_CRC) ||1691 vf->vlan_strip_ena)1692 goto error_param;1693 }1694 1695 for (i = 0; i < qci->num_queue_pairs; i++) {1696 qpi = &qci->qpair[i];1697 if (qpi->txq.vsi_id != qci->vsi_id ||1698 qpi->rxq.vsi_id != qci->vsi_id ||1699 qpi->rxq.queue_id != qpi->txq.queue_id ||1700 qpi->txq.headwb_enabled ||1701 !ice_vc_isvalid_ring_len(qpi->txq.ring_len) ||1702 !ice_vc_isvalid_ring_len(qpi->rxq.ring_len) ||1703 !ice_vc_isvalid_q_id(vsi, qpi->txq.queue_id)) {1704 goto error_param;1705 }1706 1707 q_idx = qpi->rxq.queue_id;1708 1709 /* make sure selected "q_idx" is in valid range of queues1710 * for selected "vsi"1711 */1712 if (q_idx >= vsi->alloc_txq || q_idx >= vsi->alloc_rxq) {1713 goto error_param;1714 }1715 1716 /* copy Tx queue info from VF into VSI */1717 if (qpi->txq.ring_len > 0) {1718 vsi->tx_rings[i]->dma = qpi->txq.dma_ring_addr;1719 vsi->tx_rings[i]->count = qpi->txq.ring_len;1720 1721 /* Disable any existing queue first */1722 if (ice_vf_vsi_dis_single_txq(vf, vsi, q_idx))1723 goto error_param;1724 1725 /* Configure a queue with the requested settings */1726 if (ice_vsi_cfg_single_txq(vsi, vsi->tx_rings, q_idx)) {1727 dev_warn(ice_pf_to_dev(pf), "VF-%d failed to configure TX queue %d\n",1728 vf->vf_id, i);1729 goto error_param;1730 }1731 }1732 1733 /* copy Rx queue info from VF into VSI */1734 if (qpi->rxq.ring_len > 0) {1735 u16 max_frame_size = ice_vc_get_max_frame_size(vf);1736 u32 rxdid;1737 1738 vsi->rx_rings[i]->dma = qpi->rxq.dma_ring_addr;1739 vsi->rx_rings[i]->count = qpi->rxq.ring_len;1740 1741 if (qpi->rxq.crc_disable)1742 vsi->rx_rings[q_idx]->flags |=1743 ICE_RX_FLAGS_CRC_STRIP_DIS;1744 else1745 vsi->rx_rings[q_idx]->flags &=1746 ~ICE_RX_FLAGS_CRC_STRIP_DIS;1747 1748 if (qpi->rxq.databuffer_size != 0 &&1749 (qpi->rxq.databuffer_size > ((16 * 1024) - 128) ||1750 qpi->rxq.databuffer_size < 1024))1751 goto error_param;1752 vsi->rx_buf_len = qpi->rxq.databuffer_size;1753 vsi->rx_rings[i]->rx_buf_len = vsi->rx_buf_len;1754 if (qpi->rxq.max_pkt_size > max_frame_size ||1755 qpi->rxq.max_pkt_size < 64)1756 goto error_param;1757 1758 vsi->max_frame = qpi->rxq.max_pkt_size;1759 /* add space for the port VLAN since the VF driver is1760 * not expected to account for it in the MTU1761 * calculation1762 */1763 if (ice_vf_is_port_vlan_ena(vf))1764 vsi->max_frame += VLAN_HLEN;1765 1766 if (ice_vsi_cfg_single_rxq(vsi, q_idx)) {1767 dev_warn(ice_pf_to_dev(pf), "VF-%d failed to configure RX queue %d\n",1768 vf->vf_id, i);1769 goto error_param;1770 }1771 1772 /* If Rx flex desc is supported, select RXDID for Rx1773 * queues. Otherwise, use legacy 32byte descriptor1774 * format. Legacy 16byte descriptor is not supported.1775 * If this RXDID is selected, return error.1776 */1777 if (vf->driver_caps &1778 VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC) {1779 rxdid = qpi->rxq.rxdid;1780 if (!(BIT(rxdid) & pf->supported_rxdids))1781 goto error_param;1782 } else {1783 rxdid = ICE_RXDID_LEGACY_1;1784 }1785 1786 ice_write_qrxflxp_cntxt(&vsi->back->hw,1787 vsi->rxq_map[q_idx],1788 rxdid, 0x03, false);1789 }1790 }1791 1792 if (lag && lag->bonded && lag->primary &&1793 act_prt != ICE_LAG_INVALID_PORT)1794 ice_lag_move_vf_nodes_cfg(lag, pri_prt, act_prt);1795 mutex_unlock(&pf->lag_mutex);1796 1797 /* send the response to the VF */1798 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_VSI_QUEUES,1799 VIRTCHNL_STATUS_SUCCESS, NULL, 0);1800error_param:1801 /* disable whatever we can */1802 for (; i >= 0; i--) {1803 if (ice_vsi_ctrl_one_rx_ring(vsi, false, i, true))1804 dev_err(ice_pf_to_dev(pf), "VF-%d could not disable RX queue %d\n",1805 vf->vf_id, i);1806 if (ice_vf_vsi_dis_single_txq(vf, vsi, i))1807 dev_err(ice_pf_to_dev(pf), "VF-%d could not disable TX queue %d\n",1808 vf->vf_id, i);1809 }1810 1811 if (lag && lag->bonded && lag->primary &&1812 act_prt != ICE_LAG_INVALID_PORT)1813 ice_lag_move_vf_nodes_cfg(lag, pri_prt, act_prt);1814 mutex_unlock(&pf->lag_mutex);1815 1816 ice_lag_move_new_vf_nodes(vf);1817 1818 /* send the response to the VF */1819 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_VSI_QUEUES,1820 VIRTCHNL_STATUS_ERR_PARAM, NULL, 0);1821}1822 1823/**1824 * ice_can_vf_change_mac1825 * @vf: pointer to the VF info1826 *1827 * Return true if the VF is allowed to change its MAC filters, false otherwise1828 */1829static bool ice_can_vf_change_mac(struct ice_vf *vf)1830{1831 /* If the VF MAC address has been set administratively (via the1832 * ndo_set_vf_mac command), then deny permission to the VF to1833 * add/delete unicast MAC addresses, unless the VF is trusted1834 */1835 if (vf->pf_set_mac && !ice_is_vf_trusted(vf))1836 return false;1837 1838 return true;1839}1840 1841/**1842 * ice_vc_ether_addr_type - get type of virtchnl_ether_addr1843 * @vc_ether_addr: used to extract the type1844 */1845static u81846ice_vc_ether_addr_type(struct virtchnl_ether_addr *vc_ether_addr)1847{1848 return (vc_ether_addr->type & VIRTCHNL_ETHER_ADDR_TYPE_MASK);1849}1850 1851/**1852 * ice_is_vc_addr_legacy - check if the MAC address is from an older VF1853 * @vc_ether_addr: VIRTCHNL structure that contains MAC and type1854 */1855static bool1856ice_is_vc_addr_legacy(struct virtchnl_ether_addr *vc_ether_addr)1857{1858 u8 type = ice_vc_ether_addr_type(vc_ether_addr);1859 1860 return (type == VIRTCHNL_ETHER_ADDR_LEGACY);1861}1862 1863/**1864 * ice_is_vc_addr_primary - check if the MAC address is the VF's primary MAC1865 * @vc_ether_addr: VIRTCHNL structure that contains MAC and type1866 *1867 * This function should only be called when the MAC address in1868 * virtchnl_ether_addr is a valid unicast MAC1869 */1870static bool1871ice_is_vc_addr_primary(struct virtchnl_ether_addr __maybe_unused *vc_ether_addr)1872{1873 u8 type = ice_vc_ether_addr_type(vc_ether_addr);1874 1875 return (type == VIRTCHNL_ETHER_ADDR_PRIMARY);1876}1877 1878/**1879 * ice_vfhw_mac_add - update the VF's cached hardware MAC if allowed1880 * @vf: VF to update1881 * @vc_ether_addr: structure from VIRTCHNL with MAC to add1882 */1883static void1884ice_vfhw_mac_add(struct ice_vf *vf, struct virtchnl_ether_addr *vc_ether_addr)1885{1886 u8 *mac_addr = vc_ether_addr->addr;1887 1888 if (!is_valid_ether_addr(mac_addr))1889 return;1890 1891 /* only allow legacy VF drivers to set the device and hardware MAC if it1892 * is zero and allow new VF drivers to set the hardware MAC if the type1893 * was correctly specified over VIRTCHNL1894 */1895 if ((ice_is_vc_addr_legacy(vc_ether_addr) &&1896 is_zero_ether_addr(vf->hw_lan_addr)) ||1897 ice_is_vc_addr_primary(vc_ether_addr)) {1898 ether_addr_copy(vf->dev_lan_addr, mac_addr);1899 ether_addr_copy(vf->hw_lan_addr, mac_addr);1900 }1901 1902 /* hardware and device MACs are already set, but its possible that the1903 * VF driver sent the VIRTCHNL_OP_ADD_ETH_ADDR message before the1904 * VIRTCHNL_OP_DEL_ETH_ADDR when trying to update its MAC, so save it1905 * away for the legacy VF driver case as it will be updated in the1906 * delete flow for this case1907 */1908 if (ice_is_vc_addr_legacy(vc_ether_addr)) {1909 ether_addr_copy(vf->legacy_last_added_umac.addr,1910 mac_addr);1911 vf->legacy_last_added_umac.time_modified = jiffies;1912 }1913}1914 1915/**1916 * ice_vc_add_mac_addr - attempt to add the MAC address passed in1917 * @vf: pointer to the VF info1918 * @vsi: pointer to the VF's VSI1919 * @vc_ether_addr: VIRTCHNL MAC address structure used to add MAC1920 */1921static int1922ice_vc_add_mac_addr(struct ice_vf *vf, struct ice_vsi *vsi,1923 struct virtchnl_ether_addr *vc_ether_addr)1924{1925 struct device *dev = ice_pf_to_dev(vf->pf);1926 u8 *mac_addr = vc_ether_addr->addr;1927 int ret;1928 1929 /* device MAC already added */1930 if (ether_addr_equal(mac_addr, vf->dev_lan_addr))1931 return 0;1932 1933 if (is_unicast_ether_addr(mac_addr) && !ice_can_vf_change_mac(vf)) {1934 dev_err(dev, "VF attempting to override administratively set MAC address, bring down and up the VF interface to resume normal operation\n");1935 return -EPERM;1936 }1937 1938 ret = ice_fltr_add_mac(vsi, mac_addr, ICE_FWD_TO_VSI);1939 if (ret == -EEXIST) {1940 dev_dbg(dev, "MAC %pM already exists for VF %d\n", mac_addr,1941 vf->vf_id);1942 /* don't return since we might need to update1943 * the primary MAC in ice_vfhw_mac_add() below1944 */1945 } else if (ret) {1946 dev_err(dev, "Failed to add MAC %pM for VF %d\n, error %d\n",1947 mac_addr, vf->vf_id, ret);1948 return ret;1949 } else {1950 vf->num_mac++;1951 }1952 1953 ice_vfhw_mac_add(vf, vc_ether_addr);1954 1955 return ret;1956}1957 1958/**1959 * ice_is_legacy_umac_expired - check if last added legacy unicast MAC expired1960 * @last_added_umac: structure used to check expiration1961 */1962static bool ice_is_legacy_umac_expired(struct ice_time_mac *last_added_umac)1963{1964#define ICE_LEGACY_VF_MAC_CHANGE_EXPIRE_TIME msecs_to_jiffies(3000)1965 return time_is_before_jiffies(last_added_umac->time_modified +1966 ICE_LEGACY_VF_MAC_CHANGE_EXPIRE_TIME);1967}1968 1969/**1970 * ice_update_legacy_cached_mac - update cached hardware MAC for legacy VF1971 * @vf: VF to update1972 * @vc_ether_addr: structure from VIRTCHNL with MAC to check1973 *1974 * only update cached hardware MAC for legacy VF drivers on delete1975 * because we cannot guarantee order/type of MAC from the VF driver1976 */1977static void1978ice_update_legacy_cached_mac(struct ice_vf *vf,1979 struct virtchnl_ether_addr *vc_ether_addr)1980{1981 if (!ice_is_vc_addr_legacy(vc_ether_addr) ||1982 ice_is_legacy_umac_expired(&vf->legacy_last_added_umac))1983 return;1984 1985 ether_addr_copy(vf->dev_lan_addr, vf->legacy_last_added_umac.addr);1986 ether_addr_copy(vf->hw_lan_addr, vf->legacy_last_added_umac.addr);1987}1988 1989/**1990 * ice_vfhw_mac_del - update the VF's cached hardware MAC if allowed1991 * @vf: VF to update1992 * @vc_ether_addr: structure from VIRTCHNL with MAC to delete1993 */1994static void1995ice_vfhw_mac_del(struct ice_vf *vf, struct virtchnl_ether_addr *vc_ether_addr)1996{1997 u8 *mac_addr = vc_ether_addr->addr;1998 1999 if (!is_valid_ether_addr(mac_addr) ||2000 !ether_addr_equal(vf->dev_lan_addr, mac_addr))2001 return;2002 2003 /* allow the device MAC to be repopulated in the add flow and don't2004 * clear the hardware MAC (i.e. hw_lan_addr) here as that is meant2005 * to be persistent on VM reboot and across driver unload/load, which2006 * won't work if we clear the hardware MAC here2007 */2008 eth_zero_addr(vf->dev_lan_addr);2009 2010 ice_update_legacy_cached_mac(vf, vc_ether_addr);2011}2012 2013/**2014 * ice_vc_del_mac_addr - attempt to delete the MAC address passed in2015 * @vf: pointer to the VF info2016 * @vsi: pointer to the VF's VSI2017 * @vc_ether_addr: VIRTCHNL MAC address structure used to delete MAC2018 */2019static int2020ice_vc_del_mac_addr(struct ice_vf *vf, struct ice_vsi *vsi,2021 struct virtchnl_ether_addr *vc_ether_addr)2022{2023 struct device *dev = ice_pf_to_dev(vf->pf);2024 u8 *mac_addr = vc_ether_addr->addr;2025 int status;2026 2027 if (!ice_can_vf_change_mac(vf) &&2028 ether_addr_equal(vf->dev_lan_addr, mac_addr))2029 return 0;2030 2031 status = ice_fltr_remove_mac(vsi, mac_addr, ICE_FWD_TO_VSI);2032 if (status == -ENOENT) {2033 dev_err(dev, "MAC %pM does not exist for VF %d\n", mac_addr,2034 vf->vf_id);2035 return -ENOENT;2036 } else if (status) {2037 dev_err(dev, "Failed to delete MAC %pM for VF %d, error %d\n",2038 mac_addr, vf->vf_id, status);2039 return -EIO;2040 }2041 2042 ice_vfhw_mac_del(vf, vc_ether_addr);2043 2044 vf->num_mac--;2045 2046 return 0;2047}2048 2049/**2050 * ice_vc_handle_mac_addr_msg2051 * @vf: pointer to the VF info2052 * @msg: pointer to the msg buffer2053 * @set: true if MAC filters are being set, false otherwise2054 *2055 * add guest MAC address filter2056 */2057static int2058ice_vc_handle_mac_addr_msg(struct ice_vf *vf, u8 *msg, bool set)2059{2060 int (*ice_vc_cfg_mac)2061 (struct ice_vf *vf, struct ice_vsi *vsi,2062 struct virtchnl_ether_addr *virtchnl_ether_addr);2063 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;2064 struct virtchnl_ether_addr_list *al =2065 (struct virtchnl_ether_addr_list *)msg;2066 struct ice_pf *pf = vf->pf;2067 enum virtchnl_ops vc_op;2068 struct ice_vsi *vsi;2069 int i;2070 2071 if (set) {2072 vc_op = VIRTCHNL_OP_ADD_ETH_ADDR;2073 ice_vc_cfg_mac = ice_vc_add_mac_addr;2074 } else {2075 vc_op = VIRTCHNL_OP_DEL_ETH_ADDR;2076 ice_vc_cfg_mac = ice_vc_del_mac_addr;2077 }2078 2079 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states) ||2080 !ice_vc_isvalid_vsi_id(vf, al->vsi_id)) {2081 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2082 goto handle_mac_exit;2083 }2084 2085 /* If this VF is not privileged, then we can't add more than a2086 * limited number of addresses. Check to make sure that the2087 * additions do not push us over the limit.2088 */2089 if (set && !ice_is_vf_trusted(vf) &&2090 (vf->num_mac + al->num_elements) > ICE_MAX_MACADDR_PER_VF) {2091 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",2092 vf->vf_id);2093 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2094 goto handle_mac_exit;2095 }2096 2097 vsi = ice_get_vf_vsi(vf);2098 if (!vsi) {2099 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2100 goto handle_mac_exit;2101 }2102 2103 for (i = 0; i < al->num_elements; i++) {2104 u8 *mac_addr = al->list[i].addr;2105 int result;2106 2107 if (is_broadcast_ether_addr(mac_addr) ||2108 is_zero_ether_addr(mac_addr))2109 continue;2110 2111 result = ice_vc_cfg_mac(vf, vsi, &al->list[i]);2112 if (result == -EEXIST || result == -ENOENT) {2113 continue;2114 } else if (result) {2115 v_ret = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR;2116 goto handle_mac_exit;2117 }2118 }2119 2120handle_mac_exit:2121 /* send the response to the VF */2122 return ice_vc_send_msg_to_vf(vf, vc_op, v_ret, NULL, 0);2123}2124 2125/**2126 * ice_vc_add_mac_addr_msg2127 * @vf: pointer to the VF info2128 * @msg: pointer to the msg buffer2129 *2130 * add guest MAC address filter2131 */2132static int ice_vc_add_mac_addr_msg(struct ice_vf *vf, u8 *msg)2133{2134 return ice_vc_handle_mac_addr_msg(vf, msg, true);2135}2136 2137/**2138 * ice_vc_del_mac_addr_msg2139 * @vf: pointer to the VF info2140 * @msg: pointer to the msg buffer2141 *2142 * remove guest MAC address filter2143 */2144static int ice_vc_del_mac_addr_msg(struct ice_vf *vf, u8 *msg)2145{2146 return ice_vc_handle_mac_addr_msg(vf, msg, false);2147}2148 2149/**2150 * ice_vc_request_qs_msg2151 * @vf: pointer to the VF info2152 * @msg: pointer to the msg buffer2153 *2154 * VFs get a default number of queues but can use this message to request a2155 * different number. If the request is successful, PF will reset the VF and2156 * return 0. If unsuccessful, PF will send message informing VF of number of2157 * available queue pairs via virtchnl message response to VF.2158 */2159static int ice_vc_request_qs_msg(struct ice_vf *vf, u8 *msg)2160{2161 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;2162 struct virtchnl_vf_res_request *vfres =2163 (struct virtchnl_vf_res_request *)msg;2164 u16 req_queues = vfres->num_queue_pairs;2165 struct ice_pf *pf = vf->pf;2166 u16 max_allowed_vf_queues;2167 u16 tx_rx_queue_left;2168 struct device *dev;2169 u16 cur_queues;2170 2171 dev = ice_pf_to_dev(pf);2172 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {2173 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2174 goto error_param;2175 }2176 2177 cur_queues = vf->num_vf_qs;2178 tx_rx_queue_left = min_t(u16, ice_get_avail_txq_count(pf),2179 ice_get_avail_rxq_count(pf));2180 max_allowed_vf_queues = tx_rx_queue_left + cur_queues;2181 if (!req_queues) {2182 dev_err(dev, "VF %d tried to request 0 queues. Ignoring.\n",2183 vf->vf_id);2184 } else if (req_queues > ICE_MAX_RSS_QS_PER_VF) {2185 dev_err(dev, "VF %d tried to request more than %d queues.\n",2186 vf->vf_id, ICE_MAX_RSS_QS_PER_VF);2187 vfres->num_queue_pairs = ICE_MAX_RSS_QS_PER_VF;2188 } else if (req_queues > cur_queues &&2189 req_queues - cur_queues > tx_rx_queue_left) {2190 dev_warn(dev, "VF %d requested %u more queues, but only %u left.\n",2191 vf->vf_id, req_queues - cur_queues, tx_rx_queue_left);2192 vfres->num_queue_pairs = min_t(u16, max_allowed_vf_queues,2193 ICE_MAX_RSS_QS_PER_VF);2194 } else {2195 /* request is successful, then reset VF */2196 vf->num_req_qs = req_queues;2197 ice_reset_vf(vf, ICE_VF_RESET_NOTIFY);2198 dev_info(dev, "VF %d granted request of %u queues.\n",2199 vf->vf_id, req_queues);2200 return 0;2201 }2202 2203error_param:2204 /* send the response to the VF */2205 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_REQUEST_QUEUES,2206 v_ret, (u8 *)vfres, sizeof(*vfres));2207}2208 2209/**2210 * ice_vf_vlan_offload_ena - determine if capabilities support VLAN offloads2211 * @caps: VF driver negotiated capabilities2212 *2213 * Return true if VIRTCHNL_VF_OFFLOAD_VLAN capability is set, else return false2214 */2215static bool ice_vf_vlan_offload_ena(u32 caps)2216{2217 return !!(caps & VIRTCHNL_VF_OFFLOAD_VLAN);2218}2219 2220/**2221 * ice_is_vlan_promisc_allowed - check if VLAN promiscuous config is allowed2222 * @vf: VF used to determine if VLAN promiscuous config is allowed2223 */2224static bool ice_is_vlan_promisc_allowed(struct ice_vf *vf)2225{2226 if ((test_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states) ||2227 test_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states)) &&2228 test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, vf->pf->flags))2229 return true;2230 2231 return false;2232}2233 2234/**2235 * ice_vf_ena_vlan_promisc - Enable Tx/Rx VLAN promiscuous for the VLAN2236 * @vsi: VF's VSI used to enable VLAN promiscuous mode2237 * @vlan: VLAN used to enable VLAN promiscuous2238 *2239 * This function should only be called if VLAN promiscuous mode is allowed,2240 * which can be determined via ice_is_vlan_promisc_allowed().2241 */2242static int ice_vf_ena_vlan_promisc(struct ice_vsi *vsi, struct ice_vlan *vlan)2243{2244 u8 promisc_m = ICE_PROMISC_VLAN_TX | ICE_PROMISC_VLAN_RX;2245 int status;2246 2247 status = ice_fltr_set_vsi_promisc(&vsi->back->hw, vsi->idx, promisc_m,2248 vlan->vid);2249 if (status && status != -EEXIST)2250 return status;2251 2252 return 0;2253}2254 2255/**2256 * ice_vf_dis_vlan_promisc - Disable Tx/Rx VLAN promiscuous for the VLAN2257 * @vsi: VF's VSI used to disable VLAN promiscuous mode for2258 * @vlan: VLAN used to disable VLAN promiscuous2259 *2260 * This function should only be called if VLAN promiscuous mode is allowed,2261 * which can be determined via ice_is_vlan_promisc_allowed().2262 */2263static int ice_vf_dis_vlan_promisc(struct ice_vsi *vsi, struct ice_vlan *vlan)2264{2265 u8 promisc_m = ICE_PROMISC_VLAN_TX | ICE_PROMISC_VLAN_RX;2266 int status;2267 2268 status = ice_fltr_clear_vsi_promisc(&vsi->back->hw, vsi->idx, promisc_m,2269 vlan->vid);2270 if (status && status != -ENOENT)2271 return status;2272 2273 return 0;2274}2275 2276/**2277 * ice_vf_has_max_vlans - check if VF already has the max allowed VLAN filters2278 * @vf: VF to check against2279 * @vsi: VF's VSI2280 *2281 * If the VF is trusted then the VF is allowed to add as many VLANs as it2282 * wants to, so return false.2283 *2284 * When the VF is untrusted compare the number of non-zero VLANs + 1 to the max2285 * allowed VLANs for an untrusted VF. Return the result of this comparison.2286 */2287static bool ice_vf_has_max_vlans(struct ice_vf *vf, struct ice_vsi *vsi)2288{2289 if (ice_is_vf_trusted(vf))2290 return false;2291 2292#define ICE_VF_ADDED_VLAN_ZERO_FLTRS 12293 return ((ice_vsi_num_non_zero_vlans(vsi) +2294 ICE_VF_ADDED_VLAN_ZERO_FLTRS) >= ICE_MAX_VLAN_PER_VF);2295}2296 2297/**2298 * ice_vc_process_vlan_msg2299 * @vf: pointer to the VF info2300 * @msg: pointer to the msg buffer2301 * @add_v: Add VLAN if true, otherwise delete VLAN2302 *2303 * Process virtchnl op to add or remove programmed guest VLAN ID2304 */2305static int ice_vc_process_vlan_msg(struct ice_vf *vf, u8 *msg, bool add_v)2306{2307 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;2308 struct virtchnl_vlan_filter_list *vfl =2309 (struct virtchnl_vlan_filter_list *)msg;2310 struct ice_pf *pf = vf->pf;2311 bool vlan_promisc = false;2312 struct ice_vsi *vsi;2313 struct device *dev;2314 int status = 0;2315 int i;2316 2317 dev = ice_pf_to_dev(pf);2318 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {2319 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2320 goto error_param;2321 }2322 2323 if (!ice_vf_vlan_offload_ena(vf->driver_caps)) {2324 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2325 goto error_param;2326 }2327 2328 if (!ice_vc_isvalid_vsi_id(vf, vfl->vsi_id)) {2329 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2330 goto error_param;2331 }2332 2333 for (i = 0; i < vfl->num_elements; i++) {2334 if (vfl->vlan_id[i] >= VLAN_N_VID) {2335 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2336 dev_err(dev, "invalid VF VLAN id %d\n",2337 vfl->vlan_id[i]);2338 goto error_param;2339 }2340 }2341 2342 vsi = ice_get_vf_vsi(vf);2343 if (!vsi) {2344 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2345 goto error_param;2346 }2347 2348 if (add_v && ice_vf_has_max_vlans(vf, vsi)) {2349 dev_info(dev, "VF-%d is not trusted, switch the VF to trusted mode, in order to add more VLAN addresses\n",2350 vf->vf_id);2351 /* There is no need to let VF know about being not trusted,2352 * so we can just return success message here2353 */2354 goto error_param;2355 }2356 2357 /* in DVM a VF can add/delete inner VLAN filters when2358 * VIRTCHNL_VF_OFFLOAD_VLAN is negotiated, so only reject in SVM2359 */2360 if (ice_vf_is_port_vlan_ena(vf) && !ice_is_dvm_ena(&pf->hw)) {2361 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2362 goto error_param;2363 }2364 2365 /* in DVM VLAN promiscuous is based on the outer VLAN, which would be2366 * the port VLAN if VIRTCHNL_VF_OFFLOAD_VLAN was negotiated, so only2367 * allow vlan_promisc = true in SVM and if no port VLAN is configured2368 */2369 vlan_promisc = ice_is_vlan_promisc_allowed(vf) &&2370 !ice_is_dvm_ena(&pf->hw) &&2371 !ice_vf_is_port_vlan_ena(vf);2372 2373 if (add_v) {2374 for (i = 0; i < vfl->num_elements; i++) {2375 u16 vid = vfl->vlan_id[i];2376 struct ice_vlan vlan;2377 2378 if (ice_vf_has_max_vlans(vf, vsi)) {2379 dev_info(dev, "VF-%d is not trusted, switch the VF to trusted mode, in order to add more VLAN addresses\n",2380 vf->vf_id);2381 /* There is no need to let VF know about being2382 * not trusted, so we can just return success2383 * message here as well.2384 */2385 goto error_param;2386 }2387 2388 /* we add VLAN 0 by default for each VF so we can enable2389 * Tx VLAN anti-spoof without triggering MDD events so2390 * we don't need to add it again here2391 */2392 if (!vid)2393 continue;2394 2395 vlan = ICE_VLAN(ETH_P_8021Q, vid, 0);2396 status = vsi->inner_vlan_ops.add_vlan(vsi, &vlan);2397 if (status) {2398 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2399 goto error_param;2400 }2401 2402 /* Enable VLAN filtering on first non-zero VLAN */2403 if (!vlan_promisc && vid && !ice_is_dvm_ena(&pf->hw)) {2404 if (vf->spoofchk) {2405 status = vsi->inner_vlan_ops.ena_tx_filtering(vsi);2406 if (status) {2407 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2408 dev_err(dev, "Enable VLAN anti-spoofing on VLAN ID: %d failed error-%d\n",2409 vid, status);2410 goto error_param;2411 }2412 }2413 if (vsi->inner_vlan_ops.ena_rx_filtering(vsi)) {2414 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2415 dev_err(dev, "Enable VLAN pruning on VLAN ID: %d failed error-%d\n",2416 vid, status);2417 goto error_param;2418 }2419 } else if (vlan_promisc) {2420 status = ice_vf_ena_vlan_promisc(vsi, &vlan);2421 if (status) {2422 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2423 dev_err(dev, "Enable Unicast/multicast promiscuous mode on VLAN ID:%d failed error-%d\n",2424 vid, status);2425 }2426 }2427 }2428 } else {2429 /* In case of non_trusted VF, number of VLAN elements passed2430 * to PF for removal might be greater than number of VLANs2431 * filter programmed for that VF - So, use actual number of2432 * VLANS added earlier with add VLAN opcode. In order to avoid2433 * removing VLAN that doesn't exist, which result to sending2434 * erroneous failed message back to the VF2435 */2436 int num_vf_vlan;2437 2438 num_vf_vlan = vsi->num_vlan;2439 for (i = 0; i < vfl->num_elements && i < num_vf_vlan; i++) {2440 u16 vid = vfl->vlan_id[i];2441 struct ice_vlan vlan;2442 2443 /* we add VLAN 0 by default for each VF so we can enable2444 * Tx VLAN anti-spoof without triggering MDD events so2445 * we don't want a VIRTCHNL request to remove it2446 */2447 if (!vid)2448 continue;2449 2450 vlan = ICE_VLAN(ETH_P_8021Q, vid, 0);2451 status = vsi->inner_vlan_ops.del_vlan(vsi, &vlan);2452 if (status) {2453 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2454 goto error_param;2455 }2456 2457 /* Disable VLAN filtering when only VLAN 0 is left */2458 if (!ice_vsi_has_non_zero_vlans(vsi)) {2459 vsi->inner_vlan_ops.dis_tx_filtering(vsi);2460 vsi->inner_vlan_ops.dis_rx_filtering(vsi);2461 }2462 2463 if (vlan_promisc)2464 ice_vf_dis_vlan_promisc(vsi, &vlan);2465 }2466 }2467 2468error_param:2469 /* send the response to the VF */2470 if (add_v)2471 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ADD_VLAN, v_ret,2472 NULL, 0);2473 else2474 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DEL_VLAN, v_ret,2475 NULL, 0);2476}2477 2478/**2479 * ice_vc_add_vlan_msg2480 * @vf: pointer to the VF info2481 * @msg: pointer to the msg buffer2482 *2483 * Add and program guest VLAN ID2484 */2485static int ice_vc_add_vlan_msg(struct ice_vf *vf, u8 *msg)2486{2487 return ice_vc_process_vlan_msg(vf, msg, true);2488}2489 2490/**2491 * ice_vc_remove_vlan_msg2492 * @vf: pointer to the VF info2493 * @msg: pointer to the msg buffer2494 *2495 * remove programmed guest VLAN ID2496 */2497static int ice_vc_remove_vlan_msg(struct ice_vf *vf, u8 *msg)2498{2499 return ice_vc_process_vlan_msg(vf, msg, false);2500}2501 2502/**2503 * ice_vsi_is_rxq_crc_strip_dis - check if Rx queue CRC strip is disabled or not2504 * @vsi: pointer to the VF VSI info2505 */2506static bool ice_vsi_is_rxq_crc_strip_dis(struct ice_vsi *vsi)2507{2508 unsigned int i;2509 2510 ice_for_each_alloc_rxq(vsi, i)2511 if (vsi->rx_rings[i]->flags & ICE_RX_FLAGS_CRC_STRIP_DIS)2512 return true;2513 2514 return false;2515}2516 2517/**2518 * ice_vc_ena_vlan_stripping2519 * @vf: pointer to the VF info2520 *2521 * Enable VLAN header stripping for a given VF2522 */2523static int ice_vc_ena_vlan_stripping(struct ice_vf *vf)2524{2525 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;2526 struct ice_vsi *vsi;2527 2528 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {2529 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2530 goto error_param;2531 }2532 2533 if (!ice_vf_vlan_offload_ena(vf->driver_caps)) {2534 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2535 goto error_param;2536 }2537 2538 vsi = ice_get_vf_vsi(vf);2539 if (!vsi) {2540 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2541 goto error_param;2542 }2543 2544 if (vsi->inner_vlan_ops.ena_stripping(vsi, ETH_P_8021Q))2545 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2546 else2547 vf->vlan_strip_ena |= ICE_INNER_VLAN_STRIP_ENA;2548 2549error_param:2550 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ENABLE_VLAN_STRIPPING,2551 v_ret, NULL, 0);2552}2553 2554/**2555 * ice_vc_dis_vlan_stripping2556 * @vf: pointer to the VF info2557 *2558 * Disable VLAN header stripping for a given VF2559 */2560static int ice_vc_dis_vlan_stripping(struct ice_vf *vf)2561{2562 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;2563 struct ice_vsi *vsi;2564 2565 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {2566 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2567 goto error_param;2568 }2569 2570 if (!ice_vf_vlan_offload_ena(vf->driver_caps)) {2571 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2572 goto error_param;2573 }2574 2575 vsi = ice_get_vf_vsi(vf);2576 if (!vsi) {2577 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2578 goto error_param;2579 }2580 2581 if (vsi->inner_vlan_ops.dis_stripping(vsi))2582 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2583 else2584 vf->vlan_strip_ena &= ~ICE_INNER_VLAN_STRIP_ENA;2585 2586error_param:2587 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DISABLE_VLAN_STRIPPING,2588 v_ret, NULL, 0);2589}2590 2591/**2592 * ice_vc_get_rss_hena - return the RSS HENA bits allowed by the hardware2593 * @vf: pointer to the VF info2594 */2595static int ice_vc_get_rss_hena(struct ice_vf *vf)2596{2597 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;2598 struct virtchnl_rss_hena *vrh = NULL;2599 int len = 0, ret;2600 2601 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {2602 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2603 goto err;2604 }2605 2606 if (!test_bit(ICE_FLAG_RSS_ENA, vf->pf->flags)) {2607 dev_err(ice_pf_to_dev(vf->pf), "RSS not supported by PF\n");2608 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2609 goto err;2610 }2611 2612 len = sizeof(struct virtchnl_rss_hena);2613 vrh = kzalloc(len, GFP_KERNEL);2614 if (!vrh) {2615 v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY;2616 len = 0;2617 goto err;2618 }2619 2620 vrh->hena = ICE_DEFAULT_RSS_HENA;2621err:2622 /* send the response back to the VF */2623 ret = ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_RSS_HENA_CAPS, v_ret,2624 (u8 *)vrh, len);2625 kfree(vrh);2626 return ret;2627}2628 2629/**2630 * ice_vc_set_rss_hena - set RSS HENA bits for the VF2631 * @vf: pointer to the VF info2632 * @msg: pointer to the msg buffer2633 */2634static int ice_vc_set_rss_hena(struct ice_vf *vf, u8 *msg)2635{2636 struct virtchnl_rss_hena *vrh = (struct virtchnl_rss_hena *)msg;2637 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;2638 struct ice_pf *pf = vf->pf;2639 struct ice_vsi *vsi;2640 struct device *dev;2641 int status;2642 2643 dev = ice_pf_to_dev(pf);2644 2645 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {2646 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2647 goto err;2648 }2649 2650 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {2651 dev_err(dev, "RSS not supported by PF\n");2652 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2653 goto err;2654 }2655 2656 vsi = ice_get_vf_vsi(vf);2657 if (!vsi) {2658 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2659 goto err;2660 }2661 2662 /* clear all previously programmed RSS configuration to allow VF drivers2663 * the ability to customize the RSS configuration and/or completely2664 * disable RSS2665 */2666 status = ice_rem_vsi_rss_cfg(&pf->hw, vsi->idx);2667 if (status && !vrh->hena) {2668 /* only report failure to clear the current RSS configuration if2669 * that was clearly the VF's intention (i.e. vrh->hena = 0)2670 */2671 v_ret = ice_err_to_virt_err(status);2672 goto err;2673 } else if (status) {2674 /* allow the VF to update the RSS configuration even on failure2675 * to clear the current RSS confguration in an attempt to keep2676 * RSS in a working state2677 */2678 dev_warn(dev, "Failed to clear the RSS configuration for VF %u\n",2679 vf->vf_id);2680 }2681 2682 if (vrh->hena) {2683 status = ice_add_avf_rss_cfg(&pf->hw, vsi, vrh->hena);2684 v_ret = ice_err_to_virt_err(status);2685 }2686 2687 /* send the response to the VF */2688err:2689 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_SET_RSS_HENA, v_ret,2690 NULL, 0);2691}2692 2693/**2694 * ice_vc_query_rxdid - query RXDID supported by DDP package2695 * @vf: pointer to VF info2696 *2697 * Called from VF to query a bitmap of supported flexible2698 * descriptor RXDIDs of a DDP package.2699 */2700static int ice_vc_query_rxdid(struct ice_vf *vf)2701{2702 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;2703 struct virtchnl_supported_rxdids *rxdid = NULL;2704 struct ice_hw *hw = &vf->pf->hw;2705 struct ice_pf *pf = vf->pf;2706 int len = 0;2707 int ret, i;2708 u32 regval;2709 2710 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {2711 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2712 goto err;2713 }2714 2715 if (!(vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC)) {2716 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2717 goto err;2718 }2719 2720 len = sizeof(struct virtchnl_supported_rxdids);2721 rxdid = kzalloc(len, GFP_KERNEL);2722 if (!rxdid) {2723 v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY;2724 len = 0;2725 goto err;2726 }2727 2728 /* RXDIDs supported by DDP package can be read from the register2729 * to get the supported RXDID bitmap. But the legacy 32byte RXDID2730 * is not listed in DDP package, add it in the bitmap manually.2731 * Legacy 16byte descriptor is not supported.2732 */2733 rxdid->supported_rxdids |= BIT(ICE_RXDID_LEGACY_1);2734 2735 for (i = ICE_RXDID_FLEX_NIC; i < ICE_FLEX_DESC_RXDID_MAX_NUM; i++) {2736 regval = rd32(hw, GLFLXP_RXDID_FLAGS(i, 0));2737 if ((regval >> GLFLXP_RXDID_FLAGS_FLEXIFLAG_4N_S)2738 & GLFLXP_RXDID_FLAGS_FLEXIFLAG_4N_M)2739 rxdid->supported_rxdids |= BIT(i);2740 }2741 2742 pf->supported_rxdids = rxdid->supported_rxdids;2743 2744err:2745 ret = ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_SUPPORTED_RXDIDS,2746 v_ret, (u8 *)rxdid, len);2747 kfree(rxdid);2748 return ret;2749}2750 2751/**2752 * ice_vf_init_vlan_stripping - enable/disable VLAN stripping on initialization2753 * @vf: VF to enable/disable VLAN stripping for on initialization2754 *2755 * Set the default for VLAN stripping based on whether a port VLAN is configured2756 * and the current VLAN mode of the device.2757 */2758static int ice_vf_init_vlan_stripping(struct ice_vf *vf)2759{2760 struct ice_vsi *vsi = ice_get_vf_vsi(vf);2761 2762 vf->vlan_strip_ena = 0;2763 2764 if (!vsi)2765 return -EINVAL;2766 2767 /* don't modify stripping if port VLAN is configured in SVM since the2768 * port VLAN is based on the inner/single VLAN in SVM2769 */2770 if (ice_vf_is_port_vlan_ena(vf) && !ice_is_dvm_ena(&vsi->back->hw))2771 return 0;2772 2773 if (ice_vf_vlan_offload_ena(vf->driver_caps)) {2774 int err;2775 2776 err = vsi->inner_vlan_ops.ena_stripping(vsi, ETH_P_8021Q);2777 if (!err)2778 vf->vlan_strip_ena |= ICE_INNER_VLAN_STRIP_ENA;2779 return err;2780 }2781 2782 return vsi->inner_vlan_ops.dis_stripping(vsi);2783}2784 2785static u16 ice_vc_get_max_vlan_fltrs(struct ice_vf *vf)2786{2787 if (vf->trusted)2788 return VLAN_N_VID;2789 else2790 return ICE_MAX_VLAN_PER_VF;2791}2792 2793/**2794 * ice_vf_outer_vlan_not_allowed - check if outer VLAN can be used2795 * @vf: VF that being checked for2796 *2797 * When the device is in double VLAN mode, check whether or not the outer VLAN2798 * is allowed.2799 */2800static bool ice_vf_outer_vlan_not_allowed(struct ice_vf *vf)2801{2802 if (ice_vf_is_port_vlan_ena(vf))2803 return true;2804 2805 return false;2806}2807 2808/**2809 * ice_vc_set_dvm_caps - set VLAN capabilities when the device is in DVM2810 * @vf: VF that capabilities are being set for2811 * @caps: VLAN capabilities to populate2812 *2813 * Determine VLAN capabilities support based on whether a port VLAN is2814 * configured. If a port VLAN is configured then the VF should use the inner2815 * filtering/offload capabilities since the port VLAN is using the outer VLAN2816 * capabilies.2817 */2818static void2819ice_vc_set_dvm_caps(struct ice_vf *vf, struct virtchnl_vlan_caps *caps)2820{2821 struct virtchnl_vlan_supported_caps *supported_caps;2822 2823 if (ice_vf_outer_vlan_not_allowed(vf)) {2824 /* until support for inner VLAN filtering is added when a port2825 * VLAN is configured, only support software offloaded inner2826 * VLANs when a port VLAN is confgured in DVM2827 */2828 supported_caps = &caps->filtering.filtering_support;2829 supported_caps->inner = VIRTCHNL_VLAN_UNSUPPORTED;2830 2831 supported_caps = &caps->offloads.stripping_support;2832 supported_caps->inner = VIRTCHNL_VLAN_ETHERTYPE_8100 |2833 VIRTCHNL_VLAN_TOGGLE |2834 VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1;2835 supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED;2836 2837 supported_caps = &caps->offloads.insertion_support;2838 supported_caps->inner = VIRTCHNL_VLAN_ETHERTYPE_8100 |2839 VIRTCHNL_VLAN_TOGGLE |2840 VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1;2841 supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED;2842 2843 caps->offloads.ethertype_init = VIRTCHNL_VLAN_ETHERTYPE_8100;2844 caps->offloads.ethertype_match =2845 VIRTCHNL_ETHERTYPE_STRIPPING_MATCHES_INSERTION;2846 } else {2847 supported_caps = &caps->filtering.filtering_support;2848 supported_caps->inner = VIRTCHNL_VLAN_UNSUPPORTED;2849 supported_caps->outer = VIRTCHNL_VLAN_ETHERTYPE_8100 |2850 VIRTCHNL_VLAN_ETHERTYPE_88A8 |2851 VIRTCHNL_VLAN_ETHERTYPE_9100 |2852 VIRTCHNL_VLAN_ETHERTYPE_AND;2853 caps->filtering.ethertype_init = VIRTCHNL_VLAN_ETHERTYPE_8100 |2854 VIRTCHNL_VLAN_ETHERTYPE_88A8 |2855 VIRTCHNL_VLAN_ETHERTYPE_9100;2856 2857 supported_caps = &caps->offloads.stripping_support;2858 supported_caps->inner = VIRTCHNL_VLAN_TOGGLE |2859 VIRTCHNL_VLAN_ETHERTYPE_8100 |2860 VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1;2861 supported_caps->outer = VIRTCHNL_VLAN_TOGGLE |2862 VIRTCHNL_VLAN_ETHERTYPE_8100 |2863 VIRTCHNL_VLAN_ETHERTYPE_88A8 |2864 VIRTCHNL_VLAN_ETHERTYPE_9100 |2865 VIRTCHNL_VLAN_ETHERTYPE_XOR |2866 VIRTCHNL_VLAN_TAG_LOCATION_L2TAG2_2;2867 2868 supported_caps = &caps->offloads.insertion_support;2869 supported_caps->inner = VIRTCHNL_VLAN_TOGGLE |2870 VIRTCHNL_VLAN_ETHERTYPE_8100 |2871 VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1;2872 supported_caps->outer = VIRTCHNL_VLAN_TOGGLE |2873 VIRTCHNL_VLAN_ETHERTYPE_8100 |2874 VIRTCHNL_VLAN_ETHERTYPE_88A8 |2875 VIRTCHNL_VLAN_ETHERTYPE_9100 |2876 VIRTCHNL_VLAN_ETHERTYPE_XOR |2877 VIRTCHNL_VLAN_TAG_LOCATION_L2TAG2;2878 2879 caps->offloads.ethertype_init = VIRTCHNL_VLAN_ETHERTYPE_8100;2880 2881 caps->offloads.ethertype_match =2882 VIRTCHNL_ETHERTYPE_STRIPPING_MATCHES_INSERTION;2883 }2884 2885 caps->filtering.max_filters = ice_vc_get_max_vlan_fltrs(vf);2886}2887 2888/**2889 * ice_vc_set_svm_caps - set VLAN capabilities when the device is in SVM2890 * @vf: VF that capabilities are being set for2891 * @caps: VLAN capabilities to populate2892 *2893 * Determine VLAN capabilities support based on whether a port VLAN is2894 * configured. If a port VLAN is configured then the VF does not have any VLAN2895 * filtering or offload capabilities since the port VLAN is using the inner VLAN2896 * capabilities in single VLAN mode (SVM). Otherwise allow the VF to use inner2897 * VLAN fitlering and offload capabilities.2898 */2899static void2900ice_vc_set_svm_caps(struct ice_vf *vf, struct virtchnl_vlan_caps *caps)2901{2902 struct virtchnl_vlan_supported_caps *supported_caps;2903 2904 if (ice_vf_is_port_vlan_ena(vf)) {2905 supported_caps = &caps->filtering.filtering_support;2906 supported_caps->inner = VIRTCHNL_VLAN_UNSUPPORTED;2907 supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED;2908 2909 supported_caps = &caps->offloads.stripping_support;2910 supported_caps->inner = VIRTCHNL_VLAN_UNSUPPORTED;2911 supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED;2912 2913 supported_caps = &caps->offloads.insertion_support;2914 supported_caps->inner = VIRTCHNL_VLAN_UNSUPPORTED;2915 supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED;2916 2917 caps->offloads.ethertype_init = VIRTCHNL_VLAN_UNSUPPORTED;2918 caps->offloads.ethertype_match = VIRTCHNL_VLAN_UNSUPPORTED;2919 caps->filtering.max_filters = 0;2920 } else {2921 supported_caps = &caps->filtering.filtering_support;2922 supported_caps->inner = VIRTCHNL_VLAN_ETHERTYPE_8100;2923 supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED;2924 caps->filtering.ethertype_init = VIRTCHNL_VLAN_ETHERTYPE_8100;2925 2926 supported_caps = &caps->offloads.stripping_support;2927 supported_caps->inner = VIRTCHNL_VLAN_ETHERTYPE_8100 |2928 VIRTCHNL_VLAN_TOGGLE |2929 VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1;2930 supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED;2931 2932 supported_caps = &caps->offloads.insertion_support;2933 supported_caps->inner = VIRTCHNL_VLAN_ETHERTYPE_8100 |2934 VIRTCHNL_VLAN_TOGGLE |2935 VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1;2936 supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED;2937 2938 caps->offloads.ethertype_init = VIRTCHNL_VLAN_ETHERTYPE_8100;2939 caps->offloads.ethertype_match =2940 VIRTCHNL_ETHERTYPE_STRIPPING_MATCHES_INSERTION;2941 caps->filtering.max_filters = ice_vc_get_max_vlan_fltrs(vf);2942 }2943}2944 2945/**2946 * ice_vc_get_offload_vlan_v2_caps - determine VF's VLAN capabilities2947 * @vf: VF to determine VLAN capabilities for2948 *2949 * This will only be called if the VF and PF successfully negotiated2950 * VIRTCHNL_VF_OFFLOAD_VLAN_V2.2951 *2952 * Set VLAN capabilities based on the current VLAN mode and whether a port VLAN2953 * is configured or not.2954 */2955static int ice_vc_get_offload_vlan_v2_caps(struct ice_vf *vf)2956{2957 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;2958 struct virtchnl_vlan_caps *caps = NULL;2959 int err, len = 0;2960 2961 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {2962 v_ret = VIRTCHNL_STATUS_ERR_PARAM;2963 goto out;2964 }2965 2966 caps = kzalloc(sizeof(*caps), GFP_KERNEL);2967 if (!caps) {2968 v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY;2969 goto out;2970 }2971 len = sizeof(*caps);2972 2973 if (ice_is_dvm_ena(&vf->pf->hw))2974 ice_vc_set_dvm_caps(vf, caps);2975 else2976 ice_vc_set_svm_caps(vf, caps);2977 2978 /* store negotiated caps to prevent invalid VF messages */2979 memcpy(&vf->vlan_v2_caps, caps, sizeof(*caps));2980 2981out:2982 err = ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_OFFLOAD_VLAN_V2_CAPS,2983 v_ret, (u8 *)caps, len);2984 kfree(caps);2985 return err;2986}2987 2988/**2989 * ice_vc_validate_vlan_tpid - validate VLAN TPID2990 * @filtering_caps: negotiated/supported VLAN filtering capabilities2991 * @tpid: VLAN TPID used for validation2992 *2993 * Convert the VLAN TPID to a VIRTCHNL_VLAN_ETHERTYPE_* and then compare against2994 * the negotiated/supported filtering caps to see if the VLAN TPID is valid.2995 */2996static bool ice_vc_validate_vlan_tpid(u16 filtering_caps, u16 tpid)2997{2998 enum virtchnl_vlan_support vlan_ethertype = VIRTCHNL_VLAN_UNSUPPORTED;2999 3000 switch (tpid) {3001 case ETH_P_8021Q:3002 vlan_ethertype = VIRTCHNL_VLAN_ETHERTYPE_8100;3003 break;3004 case ETH_P_8021AD:3005 vlan_ethertype = VIRTCHNL_VLAN_ETHERTYPE_88A8;3006 break;3007 case ETH_P_QINQ1:3008 vlan_ethertype = VIRTCHNL_VLAN_ETHERTYPE_9100;3009 break;3010 }3011 3012 if (!(filtering_caps & vlan_ethertype))3013 return false;3014 3015 return true;3016}3017 3018/**3019 * ice_vc_is_valid_vlan - validate the virtchnl_vlan3020 * @vc_vlan: virtchnl_vlan to validate3021 *3022 * If the VLAN TCI and VLAN TPID are 0, then this filter is invalid, so return3023 * false. Otherwise return true.3024 */3025static bool ice_vc_is_valid_vlan(struct virtchnl_vlan *vc_vlan)3026{3027 if (!vc_vlan->tci || !vc_vlan->tpid)3028 return false;3029 3030 return true;3031}3032 3033/**3034 * ice_vc_validate_vlan_filter_list - validate the filter list from the VF3035 * @vfc: negotiated/supported VLAN filtering capabilities3036 * @vfl: VLAN filter list from VF to validate3037 *3038 * Validate all of the filters in the VLAN filter list from the VF. If any of3039 * the checks fail then return false. Otherwise return true.3040 */3041static bool3042ice_vc_validate_vlan_filter_list(struct virtchnl_vlan_filtering_caps *vfc,3043 struct virtchnl_vlan_filter_list_v2 *vfl)3044{3045 u16 i;3046 3047 if (!vfl->num_elements)3048 return false;3049 3050 for (i = 0; i < vfl->num_elements; i++) {3051 struct virtchnl_vlan_supported_caps *filtering_support =3052 &vfc->filtering_support;3053 struct virtchnl_vlan_filter *vlan_fltr = &vfl->filters[i];3054 struct virtchnl_vlan *outer = &vlan_fltr->outer;3055 struct virtchnl_vlan *inner = &vlan_fltr->inner;3056 3057 if ((ice_vc_is_valid_vlan(outer) &&3058 filtering_support->outer == VIRTCHNL_VLAN_UNSUPPORTED) ||3059 (ice_vc_is_valid_vlan(inner) &&3060 filtering_support->inner == VIRTCHNL_VLAN_UNSUPPORTED))3061 return false;3062 3063 if ((outer->tci_mask &&3064 !(filtering_support->outer & VIRTCHNL_VLAN_FILTER_MASK)) ||3065 (inner->tci_mask &&3066 !(filtering_support->inner & VIRTCHNL_VLAN_FILTER_MASK)))3067 return false;3068 3069 if (((outer->tci & VLAN_PRIO_MASK) &&3070 !(filtering_support->outer & VIRTCHNL_VLAN_PRIO)) ||3071 ((inner->tci & VLAN_PRIO_MASK) &&3072 !(filtering_support->inner & VIRTCHNL_VLAN_PRIO)))3073 return false;3074 3075 if ((ice_vc_is_valid_vlan(outer) &&3076 !ice_vc_validate_vlan_tpid(filtering_support->outer,3077 outer->tpid)) ||3078 (ice_vc_is_valid_vlan(inner) &&3079 !ice_vc_validate_vlan_tpid(filtering_support->inner,3080 inner->tpid)))3081 return false;3082 }3083 3084 return true;3085}3086 3087/**3088 * ice_vc_to_vlan - transform from struct virtchnl_vlan to struct ice_vlan3089 * @vc_vlan: struct virtchnl_vlan to transform3090 */3091static struct ice_vlan ice_vc_to_vlan(struct virtchnl_vlan *vc_vlan)3092{3093 struct ice_vlan vlan = { 0 };3094 3095 vlan.prio = FIELD_GET(VLAN_PRIO_MASK, vc_vlan->tci);3096 vlan.vid = vc_vlan->tci & VLAN_VID_MASK;3097 vlan.tpid = vc_vlan->tpid;3098 3099 return vlan;3100}3101 3102/**3103 * ice_vc_vlan_action - action to perform on the virthcnl_vlan3104 * @vsi: VF's VSI used to perform the action3105 * @vlan_action: function to perform the action with (i.e. add/del)3106 * @vlan: VLAN filter to perform the action with3107 */3108static int3109ice_vc_vlan_action(struct ice_vsi *vsi,3110 int (*vlan_action)(struct ice_vsi *, struct ice_vlan *),3111 struct ice_vlan *vlan)3112{3113 int err;3114 3115 err = vlan_action(vsi, vlan);3116 if (err)3117 return err;3118 3119 return 0;3120}3121 3122/**3123 * ice_vc_del_vlans - delete VLAN(s) from the virtchnl filter list3124 * @vf: VF used to delete the VLAN(s)3125 * @vsi: VF's VSI used to delete the VLAN(s)3126 * @vfl: virthchnl filter list used to delete the filters3127 */3128static int3129ice_vc_del_vlans(struct ice_vf *vf, struct ice_vsi *vsi,3130 struct virtchnl_vlan_filter_list_v2 *vfl)3131{3132 bool vlan_promisc = ice_is_vlan_promisc_allowed(vf);3133 int err;3134 u16 i;3135 3136 for (i = 0; i < vfl->num_elements; i++) {3137 struct virtchnl_vlan_filter *vlan_fltr = &vfl->filters[i];3138 struct virtchnl_vlan *vc_vlan;3139 3140 vc_vlan = &vlan_fltr->outer;3141 if (ice_vc_is_valid_vlan(vc_vlan)) {3142 struct ice_vlan vlan = ice_vc_to_vlan(vc_vlan);3143 3144 err = ice_vc_vlan_action(vsi,3145 vsi->outer_vlan_ops.del_vlan,3146 &vlan);3147 if (err)3148 return err;3149 3150 if (vlan_promisc)3151 ice_vf_dis_vlan_promisc(vsi, &vlan);3152 3153 /* Disable VLAN filtering when only VLAN 0 is left */3154 if (!ice_vsi_has_non_zero_vlans(vsi) && ice_is_dvm_ena(&vsi->back->hw)) {3155 err = vsi->outer_vlan_ops.dis_tx_filtering(vsi);3156 if (err)3157 return err;3158 }3159 }3160 3161 vc_vlan = &vlan_fltr->inner;3162 if (ice_vc_is_valid_vlan(vc_vlan)) {3163 struct ice_vlan vlan = ice_vc_to_vlan(vc_vlan);3164 3165 err = ice_vc_vlan_action(vsi,3166 vsi->inner_vlan_ops.del_vlan,3167 &vlan);3168 if (err)3169 return err;3170 3171 /* no support for VLAN promiscuous on inner VLAN unless3172 * we are in Single VLAN Mode (SVM)3173 */3174 if (!ice_is_dvm_ena(&vsi->back->hw)) {3175 if (vlan_promisc)3176 ice_vf_dis_vlan_promisc(vsi, &vlan);3177 3178 /* Disable VLAN filtering when only VLAN 0 is left */3179 if (!ice_vsi_has_non_zero_vlans(vsi)) {3180 err = vsi->inner_vlan_ops.dis_tx_filtering(vsi);3181 if (err)3182 return err;3183 }3184 }3185 }3186 }3187 3188 return 0;3189}3190 3191/**3192 * ice_vc_remove_vlan_v2_msg - virtchnl handler for VIRTCHNL_OP_DEL_VLAN_V23193 * @vf: VF the message was received from3194 * @msg: message received from the VF3195 */3196static int ice_vc_remove_vlan_v2_msg(struct ice_vf *vf, u8 *msg)3197{3198 struct virtchnl_vlan_filter_list_v2 *vfl =3199 (struct virtchnl_vlan_filter_list_v2 *)msg;3200 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;3201 struct ice_vsi *vsi;3202 3203 if (!ice_vc_validate_vlan_filter_list(&vf->vlan_v2_caps.filtering,3204 vfl)) {3205 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3206 goto out;3207 }3208 3209 if (!ice_vc_isvalid_vsi_id(vf, vfl->vport_id)) {3210 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3211 goto out;3212 }3213 3214 vsi = ice_get_vf_vsi(vf);3215 if (!vsi) {3216 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3217 goto out;3218 }3219 3220 if (ice_vc_del_vlans(vf, vsi, vfl))3221 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3222 3223out:3224 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DEL_VLAN_V2, v_ret, NULL,3225 0);3226}3227 3228/**3229 * ice_vc_add_vlans - add VLAN(s) from the virtchnl filter list3230 * @vf: VF used to add the VLAN(s)3231 * @vsi: VF's VSI used to add the VLAN(s)3232 * @vfl: virthchnl filter list used to add the filters3233 */3234static int3235ice_vc_add_vlans(struct ice_vf *vf, struct ice_vsi *vsi,3236 struct virtchnl_vlan_filter_list_v2 *vfl)3237{3238 bool vlan_promisc = ice_is_vlan_promisc_allowed(vf);3239 int err;3240 u16 i;3241 3242 for (i = 0; i < vfl->num_elements; i++) {3243 struct virtchnl_vlan_filter *vlan_fltr = &vfl->filters[i];3244 struct virtchnl_vlan *vc_vlan;3245 3246 vc_vlan = &vlan_fltr->outer;3247 if (ice_vc_is_valid_vlan(vc_vlan)) {3248 struct ice_vlan vlan = ice_vc_to_vlan(vc_vlan);3249 3250 err = ice_vc_vlan_action(vsi,3251 vsi->outer_vlan_ops.add_vlan,3252 &vlan);3253 if (err)3254 return err;3255 3256 if (vlan_promisc) {3257 err = ice_vf_ena_vlan_promisc(vsi, &vlan);3258 if (err)3259 return err;3260 }3261 3262 /* Enable VLAN filtering on first non-zero VLAN */3263 if (vf->spoofchk && vlan.vid && ice_is_dvm_ena(&vsi->back->hw)) {3264 err = vsi->outer_vlan_ops.ena_tx_filtering(vsi);3265 if (err)3266 return err;3267 }3268 }3269 3270 vc_vlan = &vlan_fltr->inner;3271 if (ice_vc_is_valid_vlan(vc_vlan)) {3272 struct ice_vlan vlan = ice_vc_to_vlan(vc_vlan);3273 3274 err = ice_vc_vlan_action(vsi,3275 vsi->inner_vlan_ops.add_vlan,3276 &vlan);3277 if (err)3278 return err;3279 3280 /* no support for VLAN promiscuous on inner VLAN unless3281 * we are in Single VLAN Mode (SVM)3282 */3283 if (!ice_is_dvm_ena(&vsi->back->hw)) {3284 if (vlan_promisc) {3285 err = ice_vf_ena_vlan_promisc(vsi, &vlan);3286 if (err)3287 return err;3288 }3289 3290 /* Enable VLAN filtering on first non-zero VLAN */3291 if (vf->spoofchk && vlan.vid) {3292 err = vsi->inner_vlan_ops.ena_tx_filtering(vsi);3293 if (err)3294 return err;3295 }3296 }3297 }3298 }3299 3300 return 0;3301}3302 3303/**3304 * ice_vc_validate_add_vlan_filter_list - validate add filter list from the VF3305 * @vsi: VF VSI used to get number of existing VLAN filters3306 * @vfc: negotiated/supported VLAN filtering capabilities3307 * @vfl: VLAN filter list from VF to validate3308 *3309 * Validate all of the filters in the VLAN filter list from the VF during the3310 * VIRTCHNL_OP_ADD_VLAN_V2 opcode. If any of the checks fail then return false.3311 * Otherwise return true.3312 */3313static bool3314ice_vc_validate_add_vlan_filter_list(struct ice_vsi *vsi,3315 struct virtchnl_vlan_filtering_caps *vfc,3316 struct virtchnl_vlan_filter_list_v2 *vfl)3317{3318 u16 num_requested_filters = ice_vsi_num_non_zero_vlans(vsi) +3319 vfl->num_elements;3320 3321 if (num_requested_filters > vfc->max_filters)3322 return false;3323 3324 return ice_vc_validate_vlan_filter_list(vfc, vfl);3325}3326 3327/**3328 * ice_vc_add_vlan_v2_msg - virtchnl handler for VIRTCHNL_OP_ADD_VLAN_V23329 * @vf: VF the message was received from3330 * @msg: message received from the VF3331 */3332static int ice_vc_add_vlan_v2_msg(struct ice_vf *vf, u8 *msg)3333{3334 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;3335 struct virtchnl_vlan_filter_list_v2 *vfl =3336 (struct virtchnl_vlan_filter_list_v2 *)msg;3337 struct ice_vsi *vsi;3338 3339 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {3340 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3341 goto out;3342 }3343 3344 if (!ice_vc_isvalid_vsi_id(vf, vfl->vport_id)) {3345 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3346 goto out;3347 }3348 3349 vsi = ice_get_vf_vsi(vf);3350 if (!vsi) {3351 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3352 goto out;3353 }3354 3355 if (!ice_vc_validate_add_vlan_filter_list(vsi,3356 &vf->vlan_v2_caps.filtering,3357 vfl)) {3358 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3359 goto out;3360 }3361 3362 if (ice_vc_add_vlans(vf, vsi, vfl))3363 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3364 3365out:3366 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ADD_VLAN_V2, v_ret, NULL,3367 0);3368}3369 3370/**3371 * ice_vc_valid_vlan_setting - validate VLAN setting3372 * @negotiated_settings: negotiated VLAN settings during VF init3373 * @ethertype_setting: ethertype(s) requested for the VLAN setting3374 */3375static bool3376ice_vc_valid_vlan_setting(u32 negotiated_settings, u32 ethertype_setting)3377{3378 if (ethertype_setting && !(negotiated_settings & ethertype_setting))3379 return false;3380 3381 /* only allow a single VIRTCHNL_VLAN_ETHERTYPE if3382 * VIRTHCNL_VLAN_ETHERTYPE_AND is not negotiated/supported3383 */3384 if (!(negotiated_settings & VIRTCHNL_VLAN_ETHERTYPE_AND) &&3385 hweight32(ethertype_setting) > 1)3386 return false;3387 3388 /* ability to modify the VLAN setting was not negotiated */3389 if (!(negotiated_settings & VIRTCHNL_VLAN_TOGGLE))3390 return false;3391 3392 return true;3393}3394 3395/**3396 * ice_vc_valid_vlan_setting_msg - validate the VLAN setting message3397 * @caps: negotiated VLAN settings during VF init3398 * @msg: message to validate3399 *3400 * Used to validate any VLAN virtchnl message sent as a3401 * virtchnl_vlan_setting structure. Validates the message against the3402 * negotiated/supported caps during VF driver init.3403 */3404static bool3405ice_vc_valid_vlan_setting_msg(struct virtchnl_vlan_supported_caps *caps,3406 struct virtchnl_vlan_setting *msg)3407{3408 if ((!msg->outer_ethertype_setting &&3409 !msg->inner_ethertype_setting) ||3410 (!caps->outer && !caps->inner))3411 return false;3412 3413 if (msg->outer_ethertype_setting &&3414 !ice_vc_valid_vlan_setting(caps->outer,3415 msg->outer_ethertype_setting))3416 return false;3417 3418 if (msg->inner_ethertype_setting &&3419 !ice_vc_valid_vlan_setting(caps->inner,3420 msg->inner_ethertype_setting))3421 return false;3422 3423 return true;3424}3425 3426/**3427 * ice_vc_get_tpid - transform from VIRTCHNL_VLAN_ETHERTYPE_* to VLAN TPID3428 * @ethertype_setting: VIRTCHNL_VLAN_ETHERTYPE_* used to get VLAN TPID3429 * @tpid: VLAN TPID to populate3430 */3431static int ice_vc_get_tpid(u32 ethertype_setting, u16 *tpid)3432{3433 switch (ethertype_setting) {3434 case VIRTCHNL_VLAN_ETHERTYPE_8100:3435 *tpid = ETH_P_8021Q;3436 break;3437 case VIRTCHNL_VLAN_ETHERTYPE_88A8:3438 *tpid = ETH_P_8021AD;3439 break;3440 case VIRTCHNL_VLAN_ETHERTYPE_9100:3441 *tpid = ETH_P_QINQ1;3442 break;3443 default:3444 *tpid = 0;3445 return -EINVAL;3446 }3447 3448 return 0;3449}3450 3451/**3452 * ice_vc_ena_vlan_offload - enable VLAN offload based on the ethertype_setting3453 * @vsi: VF's VSI used to enable the VLAN offload3454 * @ena_offload: function used to enable the VLAN offload3455 * @ethertype_setting: VIRTCHNL_VLAN_ETHERTYPE_* to enable offloads for3456 */3457static int3458ice_vc_ena_vlan_offload(struct ice_vsi *vsi,3459 int (*ena_offload)(struct ice_vsi *vsi, u16 tpid),3460 u32 ethertype_setting)3461{3462 u16 tpid;3463 int err;3464 3465 err = ice_vc_get_tpid(ethertype_setting, &tpid);3466 if (err)3467 return err;3468 3469 err = ena_offload(vsi, tpid);3470 if (err)3471 return err;3472 3473 return 0;3474}3475 3476#define ICE_L2TSEL_QRX_CONTEXT_REG_IDX 33477#define ICE_L2TSEL_BIT_OFFSET 233478enum ice_l2tsel {3479 ICE_L2TSEL_EXTRACT_FIRST_TAG_L2TAG2_2ND,3480 ICE_L2TSEL_EXTRACT_FIRST_TAG_L2TAG1,3481};3482 3483/**3484 * ice_vsi_update_l2tsel - update l2tsel field for all Rx rings on this VSI3485 * @vsi: VSI used to update l2tsel on3486 * @l2tsel: l2tsel setting requested3487 *3488 * Use the l2tsel setting to update all of the Rx queue context bits for l2tsel.3489 * This will modify which descriptor field the first offloaded VLAN will be3490 * stripped into.3491 */3492static void ice_vsi_update_l2tsel(struct ice_vsi *vsi, enum ice_l2tsel l2tsel)3493{3494 struct ice_hw *hw = &vsi->back->hw;3495 u32 l2tsel_bit;3496 int i;3497 3498 if (l2tsel == ICE_L2TSEL_EXTRACT_FIRST_TAG_L2TAG2_2ND)3499 l2tsel_bit = 0;3500 else3501 l2tsel_bit = BIT(ICE_L2TSEL_BIT_OFFSET);3502 3503 for (i = 0; i < vsi->alloc_rxq; i++) {3504 u16 pfq = vsi->rxq_map[i];3505 u32 qrx_context_offset;3506 u32 regval;3507 3508 qrx_context_offset =3509 QRX_CONTEXT(ICE_L2TSEL_QRX_CONTEXT_REG_IDX, pfq);3510 3511 regval = rd32(hw, qrx_context_offset);3512 regval &= ~BIT(ICE_L2TSEL_BIT_OFFSET);3513 regval |= l2tsel_bit;3514 wr32(hw, qrx_context_offset, regval);3515 }3516}3517 3518/**3519 * ice_vc_ena_vlan_stripping_v2_msg3520 * @vf: VF the message was received from3521 * @msg: message received from the VF3522 *3523 * virthcnl handler for VIRTCHNL_OP_ENABLE_VLAN_STRIPPING_V23524 */3525static int ice_vc_ena_vlan_stripping_v2_msg(struct ice_vf *vf, u8 *msg)3526{3527 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;3528 struct virtchnl_vlan_supported_caps *stripping_support;3529 struct virtchnl_vlan_setting *strip_msg =3530 (struct virtchnl_vlan_setting *)msg;3531 u32 ethertype_setting;3532 struct ice_vsi *vsi;3533 3534 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {3535 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3536 goto out;3537 }3538 3539 if (!ice_vc_isvalid_vsi_id(vf, strip_msg->vport_id)) {3540 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3541 goto out;3542 }3543 3544 vsi = ice_get_vf_vsi(vf);3545 if (!vsi) {3546 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3547 goto out;3548 }3549 3550 stripping_support = &vf->vlan_v2_caps.offloads.stripping_support;3551 if (!ice_vc_valid_vlan_setting_msg(stripping_support, strip_msg)) {3552 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3553 goto out;3554 }3555 3556 if (ice_vsi_is_rxq_crc_strip_dis(vsi)) {3557 v_ret = VIRTCHNL_STATUS_ERR_NOT_SUPPORTED;3558 goto out;3559 }3560 3561 ethertype_setting = strip_msg->outer_ethertype_setting;3562 if (ethertype_setting) {3563 if (ice_vc_ena_vlan_offload(vsi,3564 vsi->outer_vlan_ops.ena_stripping,3565 ethertype_setting)) {3566 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3567 goto out;3568 } else {3569 enum ice_l2tsel l2tsel =3570 ICE_L2TSEL_EXTRACT_FIRST_TAG_L2TAG2_2ND;3571 3572 /* PF tells the VF that the outer VLAN tag is always3573 * extracted to VIRTCHNL_VLAN_TAG_LOCATION_L2TAG2_2 and3574 * inner is always extracted to3575 * VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1. This is needed to3576 * support outer stripping so the first tag always ends3577 * up in L2TAG2_2ND and the second/inner tag, if3578 * enabled, is extracted in L2TAG1.3579 */3580 ice_vsi_update_l2tsel(vsi, l2tsel);3581 3582 vf->vlan_strip_ena |= ICE_OUTER_VLAN_STRIP_ENA;3583 }3584 }3585 3586 ethertype_setting = strip_msg->inner_ethertype_setting;3587 if (ethertype_setting &&3588 ice_vc_ena_vlan_offload(vsi, vsi->inner_vlan_ops.ena_stripping,3589 ethertype_setting)) {3590 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3591 goto out;3592 }3593 3594 if (ethertype_setting)3595 vf->vlan_strip_ena |= ICE_INNER_VLAN_STRIP_ENA;3596 3597out:3598 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ENABLE_VLAN_STRIPPING_V2,3599 v_ret, NULL, 0);3600}3601 3602/**3603 * ice_vc_dis_vlan_stripping_v2_msg3604 * @vf: VF the message was received from3605 * @msg: message received from the VF3606 *3607 * virthcnl handler for VIRTCHNL_OP_DISABLE_VLAN_STRIPPING_V23608 */3609static int ice_vc_dis_vlan_stripping_v2_msg(struct ice_vf *vf, u8 *msg)3610{3611 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;3612 struct virtchnl_vlan_supported_caps *stripping_support;3613 struct virtchnl_vlan_setting *strip_msg =3614 (struct virtchnl_vlan_setting *)msg;3615 u32 ethertype_setting;3616 struct ice_vsi *vsi;3617 3618 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {3619 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3620 goto out;3621 }3622 3623 if (!ice_vc_isvalid_vsi_id(vf, strip_msg->vport_id)) {3624 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3625 goto out;3626 }3627 3628 vsi = ice_get_vf_vsi(vf);3629 if (!vsi) {3630 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3631 goto out;3632 }3633 3634 stripping_support = &vf->vlan_v2_caps.offloads.stripping_support;3635 if (!ice_vc_valid_vlan_setting_msg(stripping_support, strip_msg)) {3636 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3637 goto out;3638 }3639 3640 ethertype_setting = strip_msg->outer_ethertype_setting;3641 if (ethertype_setting) {3642 if (vsi->outer_vlan_ops.dis_stripping(vsi)) {3643 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3644 goto out;3645 } else {3646 enum ice_l2tsel l2tsel =3647 ICE_L2TSEL_EXTRACT_FIRST_TAG_L2TAG1;3648 3649 /* PF tells the VF that the outer VLAN tag is always3650 * extracted to VIRTCHNL_VLAN_TAG_LOCATION_L2TAG2_2 and3651 * inner is always extracted to3652 * VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1. This is needed to3653 * support inner stripping while outer stripping is3654 * disabled so that the first and only tag is extracted3655 * in L2TAG1.3656 */3657 ice_vsi_update_l2tsel(vsi, l2tsel);3658 3659 vf->vlan_strip_ena &= ~ICE_OUTER_VLAN_STRIP_ENA;3660 }3661 }3662 3663 ethertype_setting = strip_msg->inner_ethertype_setting;3664 if (ethertype_setting && vsi->inner_vlan_ops.dis_stripping(vsi)) {3665 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3666 goto out;3667 }3668 3669 if (ethertype_setting)3670 vf->vlan_strip_ena &= ~ICE_INNER_VLAN_STRIP_ENA;3671 3672out:3673 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DISABLE_VLAN_STRIPPING_V2,3674 v_ret, NULL, 0);3675}3676 3677/**3678 * ice_vc_ena_vlan_insertion_v2_msg3679 * @vf: VF the message was received from3680 * @msg: message received from the VF3681 *3682 * virthcnl handler for VIRTCHNL_OP_ENABLE_VLAN_INSERTION_V23683 */3684static int ice_vc_ena_vlan_insertion_v2_msg(struct ice_vf *vf, u8 *msg)3685{3686 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;3687 struct virtchnl_vlan_supported_caps *insertion_support;3688 struct virtchnl_vlan_setting *insertion_msg =3689 (struct virtchnl_vlan_setting *)msg;3690 u32 ethertype_setting;3691 struct ice_vsi *vsi;3692 3693 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {3694 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3695 goto out;3696 }3697 3698 if (!ice_vc_isvalid_vsi_id(vf, insertion_msg->vport_id)) {3699 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3700 goto out;3701 }3702 3703 vsi = ice_get_vf_vsi(vf);3704 if (!vsi) {3705 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3706 goto out;3707 }3708 3709 insertion_support = &vf->vlan_v2_caps.offloads.insertion_support;3710 if (!ice_vc_valid_vlan_setting_msg(insertion_support, insertion_msg)) {3711 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3712 goto out;3713 }3714 3715 ethertype_setting = insertion_msg->outer_ethertype_setting;3716 if (ethertype_setting &&3717 ice_vc_ena_vlan_offload(vsi, vsi->outer_vlan_ops.ena_insertion,3718 ethertype_setting)) {3719 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3720 goto out;3721 }3722 3723 ethertype_setting = insertion_msg->inner_ethertype_setting;3724 if (ethertype_setting &&3725 ice_vc_ena_vlan_offload(vsi, vsi->inner_vlan_ops.ena_insertion,3726 ethertype_setting)) {3727 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3728 goto out;3729 }3730 3731out:3732 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ENABLE_VLAN_INSERTION_V2,3733 v_ret, NULL, 0);3734}3735 3736/**3737 * ice_vc_dis_vlan_insertion_v2_msg3738 * @vf: VF the message was received from3739 * @msg: message received from the VF3740 *3741 * virthcnl handler for VIRTCHNL_OP_DISABLE_VLAN_INSERTION_V23742 */3743static int ice_vc_dis_vlan_insertion_v2_msg(struct ice_vf *vf, u8 *msg)3744{3745 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;3746 struct virtchnl_vlan_supported_caps *insertion_support;3747 struct virtchnl_vlan_setting *insertion_msg =3748 (struct virtchnl_vlan_setting *)msg;3749 u32 ethertype_setting;3750 struct ice_vsi *vsi;3751 3752 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {3753 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3754 goto out;3755 }3756 3757 if (!ice_vc_isvalid_vsi_id(vf, insertion_msg->vport_id)) {3758 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3759 goto out;3760 }3761 3762 vsi = ice_get_vf_vsi(vf);3763 if (!vsi) {3764 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3765 goto out;3766 }3767 3768 insertion_support = &vf->vlan_v2_caps.offloads.insertion_support;3769 if (!ice_vc_valid_vlan_setting_msg(insertion_support, insertion_msg)) {3770 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3771 goto out;3772 }3773 3774 ethertype_setting = insertion_msg->outer_ethertype_setting;3775 if (ethertype_setting && vsi->outer_vlan_ops.dis_insertion(vsi)) {3776 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3777 goto out;3778 }3779 3780 ethertype_setting = insertion_msg->inner_ethertype_setting;3781 if (ethertype_setting && vsi->inner_vlan_ops.dis_insertion(vsi)) {3782 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3783 goto out;3784 }3785 3786out:3787 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DISABLE_VLAN_INSERTION_V2,3788 v_ret, NULL, 0);3789}3790 3791static const struct ice_virtchnl_ops ice_virtchnl_dflt_ops = {3792 .get_ver_msg = ice_vc_get_ver_msg,3793 .get_vf_res_msg = ice_vc_get_vf_res_msg,3794 .reset_vf = ice_vc_reset_vf_msg,3795 .add_mac_addr_msg = ice_vc_add_mac_addr_msg,3796 .del_mac_addr_msg = ice_vc_del_mac_addr_msg,3797 .cfg_qs_msg = ice_vc_cfg_qs_msg,3798 .ena_qs_msg = ice_vc_ena_qs_msg,3799 .dis_qs_msg = ice_vc_dis_qs_msg,3800 .request_qs_msg = ice_vc_request_qs_msg,3801 .cfg_irq_map_msg = ice_vc_cfg_irq_map_msg,3802 .config_rss_key = ice_vc_config_rss_key,3803 .config_rss_lut = ice_vc_config_rss_lut,3804 .config_rss_hfunc = ice_vc_config_rss_hfunc,3805 .get_stats_msg = ice_vc_get_stats_msg,3806 .cfg_promiscuous_mode_msg = ice_vc_cfg_promiscuous_mode_msg,3807 .add_vlan_msg = ice_vc_add_vlan_msg,3808 .remove_vlan_msg = ice_vc_remove_vlan_msg,3809 .query_rxdid = ice_vc_query_rxdid,3810 .get_rss_hena = ice_vc_get_rss_hena,3811 .set_rss_hena_msg = ice_vc_set_rss_hena,3812 .ena_vlan_stripping = ice_vc_ena_vlan_stripping,3813 .dis_vlan_stripping = ice_vc_dis_vlan_stripping,3814 .handle_rss_cfg_msg = ice_vc_handle_rss_cfg,3815 .add_fdir_fltr_msg = ice_vc_add_fdir_fltr,3816 .del_fdir_fltr_msg = ice_vc_del_fdir_fltr,3817 .get_offload_vlan_v2_caps = ice_vc_get_offload_vlan_v2_caps,3818 .add_vlan_v2_msg = ice_vc_add_vlan_v2_msg,3819 .remove_vlan_v2_msg = ice_vc_remove_vlan_v2_msg,3820 .ena_vlan_stripping_v2_msg = ice_vc_ena_vlan_stripping_v2_msg,3821 .dis_vlan_stripping_v2_msg = ice_vc_dis_vlan_stripping_v2_msg,3822 .ena_vlan_insertion_v2_msg = ice_vc_ena_vlan_insertion_v2_msg,3823 .dis_vlan_insertion_v2_msg = ice_vc_dis_vlan_insertion_v2_msg,3824};3825 3826/**3827 * ice_virtchnl_set_dflt_ops - Switch to default virtchnl ops3828 * @vf: the VF to switch ops3829 */3830void ice_virtchnl_set_dflt_ops(struct ice_vf *vf)3831{3832 vf->virtchnl_ops = &ice_virtchnl_dflt_ops;3833}3834 3835/**3836 * ice_vc_repr_add_mac3837 * @vf: pointer to VF3838 * @msg: virtchannel message3839 *3840 * When port representors are created, we do not add MAC rule3841 * to firmware, we store it so that PF could report same3842 * MAC as VF.3843 */3844static int ice_vc_repr_add_mac(struct ice_vf *vf, u8 *msg)3845{3846 enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;3847 struct virtchnl_ether_addr_list *al =3848 (struct virtchnl_ether_addr_list *)msg;3849 struct ice_vsi *vsi;3850 struct ice_pf *pf;3851 int i;3852 3853 if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states) ||3854 !ice_vc_isvalid_vsi_id(vf, al->vsi_id)) {3855 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3856 goto handle_mac_exit;3857 }3858 3859 pf = vf->pf;3860 3861 vsi = ice_get_vf_vsi(vf);3862 if (!vsi) {3863 v_ret = VIRTCHNL_STATUS_ERR_PARAM;3864 goto handle_mac_exit;3865 }3866 3867 for (i = 0; i < al->num_elements; i++) {3868 u8 *mac_addr = al->list[i].addr;3869 3870 if (!is_unicast_ether_addr(mac_addr) ||3871 ether_addr_equal(mac_addr, vf->hw_lan_addr))3872 continue;3873 3874 if (vf->pf_set_mac) {3875 dev_err(ice_pf_to_dev(pf), "VF attempting to override administratively set MAC address\n");3876 v_ret = VIRTCHNL_STATUS_ERR_NOT_SUPPORTED;3877 goto handle_mac_exit;3878 }3879 3880 ice_vfhw_mac_add(vf, &al->list[i]);3881 vf->num_mac++;3882 break;3883 }3884 3885handle_mac_exit:3886 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ADD_ETH_ADDR,3887 v_ret, NULL, 0);3888}3889 3890/**3891 * ice_vc_repr_del_mac - response with success for deleting MAC3892 * @vf: pointer to VF3893 * @msg: virtchannel message3894 *3895 * Respond with success to not break normal VF flow.3896 * For legacy VF driver try to update cached MAC address.3897 */3898static int3899ice_vc_repr_del_mac(struct ice_vf __always_unused *vf, u8 __always_unused *msg)3900{3901 struct virtchnl_ether_addr_list *al =3902 (struct virtchnl_ether_addr_list *)msg;3903 3904 ice_update_legacy_cached_mac(vf, &al->list[0]);3905 3906 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DEL_ETH_ADDR,3907 VIRTCHNL_STATUS_SUCCESS, NULL, 0);3908}3909 3910static int3911ice_vc_repr_cfg_promiscuous_mode(struct ice_vf *vf, u8 __always_unused *msg)3912{3913 dev_dbg(ice_pf_to_dev(vf->pf),3914 "Can't config promiscuous mode in switchdev mode for VF %d\n",3915 vf->vf_id);3916 return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE,3917 VIRTCHNL_STATUS_ERR_NOT_SUPPORTED,3918 NULL, 0);3919}3920 3921static const struct ice_virtchnl_ops ice_virtchnl_repr_ops = {3922 .get_ver_msg = ice_vc_get_ver_msg,3923 .get_vf_res_msg = ice_vc_get_vf_res_msg,3924 .reset_vf = ice_vc_reset_vf_msg,3925 .add_mac_addr_msg = ice_vc_repr_add_mac,3926 .del_mac_addr_msg = ice_vc_repr_del_mac,3927 .cfg_qs_msg = ice_vc_cfg_qs_msg,3928 .ena_qs_msg = ice_vc_ena_qs_msg,3929 .dis_qs_msg = ice_vc_dis_qs_msg,3930 .request_qs_msg = ice_vc_request_qs_msg,3931 .cfg_irq_map_msg = ice_vc_cfg_irq_map_msg,3932 .config_rss_key = ice_vc_config_rss_key,3933 .config_rss_lut = ice_vc_config_rss_lut,3934 .config_rss_hfunc = ice_vc_config_rss_hfunc,3935 .get_stats_msg = ice_vc_get_stats_msg,3936 .cfg_promiscuous_mode_msg = ice_vc_repr_cfg_promiscuous_mode,3937 .add_vlan_msg = ice_vc_add_vlan_msg,3938 .remove_vlan_msg = ice_vc_remove_vlan_msg,3939 .query_rxdid = ice_vc_query_rxdid,3940 .get_rss_hena = ice_vc_get_rss_hena,3941 .set_rss_hena_msg = ice_vc_set_rss_hena,3942 .ena_vlan_stripping = ice_vc_ena_vlan_stripping,3943 .dis_vlan_stripping = ice_vc_dis_vlan_stripping,3944 .handle_rss_cfg_msg = ice_vc_handle_rss_cfg,3945 .add_fdir_fltr_msg = ice_vc_add_fdir_fltr,3946 .del_fdir_fltr_msg = ice_vc_del_fdir_fltr,3947 .get_offload_vlan_v2_caps = ice_vc_get_offload_vlan_v2_caps,3948 .add_vlan_v2_msg = ice_vc_add_vlan_v2_msg,3949 .remove_vlan_v2_msg = ice_vc_remove_vlan_v2_msg,3950 .ena_vlan_stripping_v2_msg = ice_vc_ena_vlan_stripping_v2_msg,3951 .dis_vlan_stripping_v2_msg = ice_vc_dis_vlan_stripping_v2_msg,3952 .ena_vlan_insertion_v2_msg = ice_vc_ena_vlan_insertion_v2_msg,3953 .dis_vlan_insertion_v2_msg = ice_vc_dis_vlan_insertion_v2_msg,3954};3955 3956/**3957 * ice_virtchnl_set_repr_ops - Switch to representor virtchnl ops3958 * @vf: the VF to switch ops3959 */3960void ice_virtchnl_set_repr_ops(struct ice_vf *vf)3961{3962 vf->virtchnl_ops = &ice_virtchnl_repr_ops;3963}3964 3965/**3966 * ice_is_malicious_vf - check if this vf might be overflowing mailbox3967 * @vf: the VF to check3968 * @mbxdata: data about the state of the mailbox3969 *3970 * Detect if a given VF might be malicious and attempting to overflow the PF3971 * mailbox. If so, log a warning message and ignore this event.3972 */3973static bool3974ice_is_malicious_vf(struct ice_vf *vf, struct ice_mbx_data *mbxdata)3975{3976 bool report_malvf = false;3977 struct device *dev;3978 struct ice_pf *pf;3979 int status;3980 3981 pf = vf->pf;3982 dev = ice_pf_to_dev(pf);3983 3984 if (test_bit(ICE_VF_STATE_DIS, vf->vf_states))3985 return vf->mbx_info.malicious;3986 3987 /* check to see if we have a newly malicious VF */3988 status = ice_mbx_vf_state_handler(&pf->hw, mbxdata, &vf->mbx_info,3989 &report_malvf);3990 if (status)3991 dev_warn_ratelimited(dev, "Unable to check status of mailbox overflow for VF %u MAC %pM, status %d\n",3992 vf->vf_id, vf->dev_lan_addr, status);3993 3994 if (report_malvf) {3995 struct ice_vsi *pf_vsi = ice_get_main_vsi(pf);3996 u8 zero_addr[ETH_ALEN] = {};3997 3998 dev_warn(dev, "VF MAC %pM on PF MAC %pM is generating asynchronous messages and may be overflowing the PF message queue. Please see the Adapter User Guide for more information\n",3999 vf->dev_lan_addr,4000 pf_vsi ? pf_vsi->netdev->dev_addr : zero_addr);4001 }4002 4003 return vf->mbx_info.malicious;4004}4005 4006/**4007 * ice_vc_process_vf_msg - Process request from VF4008 * @pf: pointer to the PF structure4009 * @event: pointer to the AQ event4010 * @mbxdata: information used to detect VF attempting mailbox overflow4011 *4012 * called from the common asq/arq handler to4013 * process request from VF4014 */4015void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event,4016 struct ice_mbx_data *mbxdata)4017{4018 u32 v_opcode = le32_to_cpu(event->desc.cookie_high);4019 s16 vf_id = le16_to_cpu(event->desc.retval);4020 const struct ice_virtchnl_ops *ops;4021 u16 msglen = event->msg_len;4022 u8 *msg = event->msg_buf;4023 struct ice_vf *vf = NULL;4024 struct device *dev;4025 int err = 0;4026 4027 dev = ice_pf_to_dev(pf);4028 4029 vf = ice_get_vf_by_id(pf, vf_id);4030 if (!vf) {4031 dev_err(dev, "Unable to locate VF for message from VF ID %d, opcode %d, len %d\n",4032 vf_id, v_opcode, msglen);4033 return;4034 }4035 4036 mutex_lock(&vf->cfg_lock);4037 4038 /* Check if the VF is trying to overflow the mailbox */4039 if (ice_is_malicious_vf(vf, mbxdata))4040 goto finish;4041 4042 /* Check if VF is disabled. */4043 if (test_bit(ICE_VF_STATE_DIS, vf->vf_states)) {4044 err = -EPERM;4045 goto error_handler;4046 }4047 4048 ops = vf->virtchnl_ops;4049 4050 /* Perform basic checks on the msg */4051 err = virtchnl_vc_validate_vf_msg(&vf->vf_ver, v_opcode, msg, msglen);4052 if (err) {4053 if (err == VIRTCHNL_STATUS_ERR_PARAM)4054 err = -EPERM;4055 else4056 err = -EINVAL;4057 }4058 4059error_handler:4060 if (err) {4061 ice_vc_send_msg_to_vf(vf, v_opcode, VIRTCHNL_STATUS_ERR_PARAM,4062 NULL, 0);4063 dev_err(dev, "Invalid message from VF %d, opcode %d, len %d, error %d\n",4064 vf_id, v_opcode, msglen, err);4065 goto finish;4066 }4067 4068 if (!ice_vc_is_opcode_allowed(vf, v_opcode)) {4069 ice_vc_send_msg_to_vf(vf, v_opcode,4070 VIRTCHNL_STATUS_ERR_NOT_SUPPORTED, NULL,4071 0);4072 goto finish;4073 }4074 4075 switch (v_opcode) {4076 case VIRTCHNL_OP_VERSION:4077 err = ops->get_ver_msg(vf, msg);4078 break;4079 case VIRTCHNL_OP_GET_VF_RESOURCES:4080 err = ops->get_vf_res_msg(vf, msg);4081 if (ice_vf_init_vlan_stripping(vf))4082 dev_dbg(dev, "Failed to initialize VLAN stripping for VF %d\n",4083 vf->vf_id);4084 ice_vc_notify_vf_link_state(vf);4085 break;4086 case VIRTCHNL_OP_RESET_VF:4087 ops->reset_vf(vf);4088 break;4089 case VIRTCHNL_OP_ADD_ETH_ADDR:4090 err = ops->add_mac_addr_msg(vf, msg);4091 break;4092 case VIRTCHNL_OP_DEL_ETH_ADDR:4093 err = ops->del_mac_addr_msg(vf, msg);4094 break;4095 case VIRTCHNL_OP_CONFIG_VSI_QUEUES:4096 err = ops->cfg_qs_msg(vf, msg);4097 break;4098 case VIRTCHNL_OP_ENABLE_QUEUES:4099 err = ops->ena_qs_msg(vf, msg);4100 ice_vc_notify_vf_link_state(vf);4101 break;4102 case VIRTCHNL_OP_DISABLE_QUEUES:4103 err = ops->dis_qs_msg(vf, msg);4104 break;4105 case VIRTCHNL_OP_REQUEST_QUEUES:4106 err = ops->request_qs_msg(vf, msg);4107 break;4108 case VIRTCHNL_OP_CONFIG_IRQ_MAP:4109 err = ops->cfg_irq_map_msg(vf, msg);4110 break;4111 case VIRTCHNL_OP_CONFIG_RSS_KEY:4112 err = ops->config_rss_key(vf, msg);4113 break;4114 case VIRTCHNL_OP_CONFIG_RSS_LUT:4115 err = ops->config_rss_lut(vf, msg);4116 break;4117 case VIRTCHNL_OP_CONFIG_RSS_HFUNC:4118 err = ops->config_rss_hfunc(vf, msg);4119 break;4120 case VIRTCHNL_OP_GET_STATS:4121 err = ops->get_stats_msg(vf, msg);4122 break;4123 case VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:4124 err = ops->cfg_promiscuous_mode_msg(vf, msg);4125 break;4126 case VIRTCHNL_OP_ADD_VLAN:4127 err = ops->add_vlan_msg(vf, msg);4128 break;4129 case VIRTCHNL_OP_DEL_VLAN:4130 err = ops->remove_vlan_msg(vf, msg);4131 break;4132 case VIRTCHNL_OP_GET_SUPPORTED_RXDIDS:4133 err = ops->query_rxdid(vf);4134 break;4135 case VIRTCHNL_OP_GET_RSS_HENA_CAPS:4136 err = ops->get_rss_hena(vf);4137 break;4138 case VIRTCHNL_OP_SET_RSS_HENA:4139 err = ops->set_rss_hena_msg(vf, msg);4140 break;4141 case VIRTCHNL_OP_ENABLE_VLAN_STRIPPING:4142 err = ops->ena_vlan_stripping(vf);4143 break;4144 case VIRTCHNL_OP_DISABLE_VLAN_STRIPPING:4145 err = ops->dis_vlan_stripping(vf);4146 break;4147 case VIRTCHNL_OP_ADD_FDIR_FILTER:4148 err = ops->add_fdir_fltr_msg(vf, msg);4149 break;4150 case VIRTCHNL_OP_DEL_FDIR_FILTER:4151 err = ops->del_fdir_fltr_msg(vf, msg);4152 break;4153 case VIRTCHNL_OP_ADD_RSS_CFG:4154 err = ops->handle_rss_cfg_msg(vf, msg, true);4155 break;4156 case VIRTCHNL_OP_DEL_RSS_CFG:4157 err = ops->handle_rss_cfg_msg(vf, msg, false);4158 break;4159 case VIRTCHNL_OP_GET_OFFLOAD_VLAN_V2_CAPS:4160 err = ops->get_offload_vlan_v2_caps(vf);4161 break;4162 case VIRTCHNL_OP_ADD_VLAN_V2:4163 err = ops->add_vlan_v2_msg(vf, msg);4164 break;4165 case VIRTCHNL_OP_DEL_VLAN_V2:4166 err = ops->remove_vlan_v2_msg(vf, msg);4167 break;4168 case VIRTCHNL_OP_ENABLE_VLAN_STRIPPING_V2:4169 err = ops->ena_vlan_stripping_v2_msg(vf, msg);4170 break;4171 case VIRTCHNL_OP_DISABLE_VLAN_STRIPPING_V2:4172 err = ops->dis_vlan_stripping_v2_msg(vf, msg);4173 break;4174 case VIRTCHNL_OP_ENABLE_VLAN_INSERTION_V2:4175 err = ops->ena_vlan_insertion_v2_msg(vf, msg);4176 break;4177 case VIRTCHNL_OP_DISABLE_VLAN_INSERTION_V2:4178 err = ops->dis_vlan_insertion_v2_msg(vf, msg);4179 break;4180 case VIRTCHNL_OP_UNKNOWN:4181 default:4182 dev_err(dev, "Unsupported opcode %d from VF %d\n", v_opcode,4183 vf_id);4184 err = ice_vc_send_msg_to_vf(vf, v_opcode,4185 VIRTCHNL_STATUS_ERR_NOT_SUPPORTED,4186 NULL, 0);4187 break;4188 }4189 if (err) {4190 /* Helper function cares less about error return values here4191 * as it is busy with pending work.4192 */4193 dev_info(dev, "PF failed to honor VF %d, opcode %d, error %d\n",4194 vf_id, v_opcode, err);4195 }4196 4197finish:4198 mutex_unlock(&vf->cfg_lock);4199 ice_put_vf(vf);4200}4201