| // SPDX-License-Identifier: GPL-2.0 |
| /* Copyright (C) 2022, Intel Corporation. */ |
| |
| #include "ice_virtchnl.h" |
| #include "ice_vf_lib_private.h" |
| #include "ice.h" |
| #include "ice_base.h" |
| #include "ice_lib.h" |
| #include "ice_fltr.h" |
| #include "ice_virtchnl_allowlist.h" |
| #include "ice_vf_vsi_vlan_ops.h" |
| #include "ice_vlan.h" |
| #include "ice_flex_pipe.h" |
| #include "ice_dcb_lib.h" |
| |
| #define FIELD_SELECTOR(proto_hdr_field) \ |
| BIT((proto_hdr_field) & PROTO_HDR_FIELD_MASK) |
| |
| struct ice_vc_hdr_match_type { |
| u32 vc_hdr; /* virtchnl headers (VIRTCHNL_PROTO_HDR_XXX) */ |
| u32 ice_hdr; /* ice headers (ICE_FLOW_SEG_HDR_XXX) */ |
| }; |
| |
| static const struct ice_vc_hdr_match_type ice_vc_hdr_list[] = { |
| {VIRTCHNL_PROTO_HDR_NONE, ICE_FLOW_SEG_HDR_NONE}, |
| {VIRTCHNL_PROTO_HDR_ETH, ICE_FLOW_SEG_HDR_ETH}, |
| {VIRTCHNL_PROTO_HDR_S_VLAN, ICE_FLOW_SEG_HDR_VLAN}, |
| {VIRTCHNL_PROTO_HDR_C_VLAN, ICE_FLOW_SEG_HDR_VLAN}, |
| {VIRTCHNL_PROTO_HDR_IPV4, ICE_FLOW_SEG_HDR_IPV4 | |
| ICE_FLOW_SEG_HDR_IPV_OTHER}, |
| {VIRTCHNL_PROTO_HDR_IPV6, ICE_FLOW_SEG_HDR_IPV6 | |
| ICE_FLOW_SEG_HDR_IPV_OTHER}, |
| {VIRTCHNL_PROTO_HDR_TCP, ICE_FLOW_SEG_HDR_TCP}, |
| {VIRTCHNL_PROTO_HDR_UDP, ICE_FLOW_SEG_HDR_UDP}, |
| {VIRTCHNL_PROTO_HDR_SCTP, ICE_FLOW_SEG_HDR_SCTP}, |
| {VIRTCHNL_PROTO_HDR_PPPOE, ICE_FLOW_SEG_HDR_PPPOE}, |
| {VIRTCHNL_PROTO_HDR_GTPU_IP, ICE_FLOW_SEG_HDR_GTPU_IP}, |
| {VIRTCHNL_PROTO_HDR_GTPU_EH, ICE_FLOW_SEG_HDR_GTPU_EH}, |
| {VIRTCHNL_PROTO_HDR_GTPU_EH_PDU_DWN, |
| ICE_FLOW_SEG_HDR_GTPU_DWN}, |
| {VIRTCHNL_PROTO_HDR_GTPU_EH_PDU_UP, |
| ICE_FLOW_SEG_HDR_GTPU_UP}, |
| {VIRTCHNL_PROTO_HDR_L2TPV3, ICE_FLOW_SEG_HDR_L2TPV3}, |
| {VIRTCHNL_PROTO_HDR_ESP, ICE_FLOW_SEG_HDR_ESP}, |
| {VIRTCHNL_PROTO_HDR_AH, ICE_FLOW_SEG_HDR_AH}, |
| {VIRTCHNL_PROTO_HDR_PFCP, ICE_FLOW_SEG_HDR_PFCP_SESSION}, |
| }; |
| |
| struct ice_vc_hash_field_match_type { |
| u32 vc_hdr; /* virtchnl headers |
| * (VIRTCHNL_PROTO_HDR_XXX) |
| */ |
| u32 vc_hash_field; /* virtchnl hash fields selector |
| * FIELD_SELECTOR((VIRTCHNL_PROTO_HDR_ETH_XXX)) |
| */ |
| u64 ice_hash_field; /* ice hash fields |
| * (BIT_ULL(ICE_FLOW_FIELD_IDX_XXX)) |
| */ |
| }; |
| |
| static const struct |
| ice_vc_hash_field_match_type ice_vc_hash_field_list[] = { |
| {VIRTCHNL_PROTO_HDR_ETH, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ETH_SRC), |
| BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_SA)}, |
| {VIRTCHNL_PROTO_HDR_ETH, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ETH_DST), |
| BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_DA)}, |
| {VIRTCHNL_PROTO_HDR_ETH, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ETH_SRC) | |
| FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ETH_DST), |
| ICE_FLOW_HASH_ETH}, |
| {VIRTCHNL_PROTO_HDR_ETH, |
| FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ETH_ETHERTYPE), |
| BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_TYPE)}, |
| {VIRTCHNL_PROTO_HDR_S_VLAN, |
| FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_S_VLAN_ID), |
| BIT_ULL(ICE_FLOW_FIELD_IDX_S_VLAN)}, |
| {VIRTCHNL_PROTO_HDR_C_VLAN, |
| FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_C_VLAN_ID), |
| BIT_ULL(ICE_FLOW_FIELD_IDX_C_VLAN)}, |
| {VIRTCHNL_PROTO_HDR_IPV4, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_SRC), |
| BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)}, |
| {VIRTCHNL_PROTO_HDR_IPV4, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_DST), |
| BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)}, |
| {VIRTCHNL_PROTO_HDR_IPV4, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_SRC) | |
| FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_DST), |
| ICE_FLOW_HASH_IPV4}, |
| {VIRTCHNL_PROTO_HDR_IPV4, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_SRC) | |
| FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_PROT), |
| BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) | |
| BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT)}, |
| {VIRTCHNL_PROTO_HDR_IPV4, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_DST) | |
| FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_PROT), |
| BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) | |
| BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT)}, |
| {VIRTCHNL_PROTO_HDR_IPV4, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_SRC) | |
| FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_DST) | |
| FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_PROT), |
| ICE_FLOW_HASH_IPV4 | BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT)}, |
| {VIRTCHNL_PROTO_HDR_IPV4, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_PROT), |
| BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT)}, |
| {VIRTCHNL_PROTO_HDR_IPV6, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_SRC), |
| BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)}, |
| {VIRTCHNL_PROTO_HDR_IPV6, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_DST), |
| BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)}, |
| {VIRTCHNL_PROTO_HDR_IPV6, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_SRC) | |
| FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_DST), |
| ICE_FLOW_HASH_IPV6}, |
| {VIRTCHNL_PROTO_HDR_IPV6, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_SRC) | |
| FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_PROT), |
| BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) | |
| BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT)}, |
| {VIRTCHNL_PROTO_HDR_IPV6, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_DST) | |
| FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_PROT), |
| BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) | |
| BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT)}, |
| {VIRTCHNL_PROTO_HDR_IPV6, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_SRC) | |
| FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_DST) | |
| FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_PROT), |
| ICE_FLOW_HASH_IPV6 | BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT)}, |
| {VIRTCHNL_PROTO_HDR_IPV6, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_PROT), |
| BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT)}, |
| {VIRTCHNL_PROTO_HDR_TCP, |
| FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_TCP_SRC_PORT), |
| BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)}, |
| {VIRTCHNL_PROTO_HDR_TCP, |
| FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_TCP_DST_PORT), |
| BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)}, |
| {VIRTCHNL_PROTO_HDR_TCP, |
| FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_TCP_SRC_PORT) | |
| FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_TCP_DST_PORT), |
| ICE_FLOW_HASH_TCP_PORT}, |
| {VIRTCHNL_PROTO_HDR_UDP, |
| FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_UDP_SRC_PORT), |
| BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)}, |
| {VIRTCHNL_PROTO_HDR_UDP, |
| FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_UDP_DST_PORT), |
| BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)}, |
| {VIRTCHNL_PROTO_HDR_UDP, |
| FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_UDP_SRC_PORT) | |
| FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_UDP_DST_PORT), |
| ICE_FLOW_HASH_UDP_PORT}, |
| {VIRTCHNL_PROTO_HDR_SCTP, |
| FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_SCTP_SRC_PORT), |
| BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)}, |
| {VIRTCHNL_PROTO_HDR_SCTP, |
| FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_SCTP_DST_PORT), |
| BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)}, |
| {VIRTCHNL_PROTO_HDR_SCTP, |
| FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_SCTP_SRC_PORT) | |
| FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_SCTP_DST_PORT), |
| ICE_FLOW_HASH_SCTP_PORT}, |
| {VIRTCHNL_PROTO_HDR_PPPOE, |
| FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_PPPOE_SESS_ID), |
| BIT_ULL(ICE_FLOW_FIELD_IDX_PPPOE_SESS_ID)}, |
| {VIRTCHNL_PROTO_HDR_GTPU_IP, |
| FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_GTPU_IP_TEID), |
| BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_IP_TEID)}, |
| {VIRTCHNL_PROTO_HDR_L2TPV3, |
| FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_L2TPV3_SESS_ID), |
| BIT_ULL(ICE_FLOW_FIELD_IDX_L2TPV3_SESS_ID)}, |
| {VIRTCHNL_PROTO_HDR_ESP, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ESP_SPI), |
| BIT_ULL(ICE_FLOW_FIELD_IDX_ESP_SPI)}, |
| {VIRTCHNL_PROTO_HDR_AH, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_AH_SPI), |
| BIT_ULL(ICE_FLOW_FIELD_IDX_AH_SPI)}, |
| {VIRTCHNL_PROTO_HDR_PFCP, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_PFCP_SEID), |
| BIT_ULL(ICE_FLOW_FIELD_IDX_PFCP_SEID)}, |
| }; |
| |
| /** |
| * ice_vc_vf_broadcast - Broadcast a message to all VFs on PF |
| * @pf: pointer to the PF structure |
| * @v_opcode: operation code |
| * @v_retval: return value |
| * @msg: pointer to the msg buffer |
| * @msglen: msg length |
| */ |
| static void |
| ice_vc_vf_broadcast(struct ice_pf *pf, enum virtchnl_ops v_opcode, |
| enum virtchnl_status_code v_retval, u8 *msg, u16 msglen) |
| { |
| struct ice_hw *hw = &pf->hw; |
| struct ice_vf *vf; |
| unsigned int bkt; |
| |
| mutex_lock(&pf->vfs.table_lock); |
| ice_for_each_vf(pf, bkt, vf) { |
| /* Not all vfs are enabled so skip the ones that are not */ |
| if (!test_bit(ICE_VF_STATE_INIT, vf->vf_states) && |
| !test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) |
| continue; |
| |
| /* Ignore return value on purpose - a given VF may fail, but |
| * we need to keep going and send to all of them |
| */ |
| ice_aq_send_msg_to_vf(hw, vf->vf_id, v_opcode, v_retval, msg, |
| msglen, NULL); |
| } |
| mutex_unlock(&pf->vfs.table_lock); |
| } |
| |
| /** |
| * ice_set_pfe_link - Set the link speed/status of the virtchnl_pf_event |
| * @vf: pointer to the VF structure |
| * @pfe: pointer to the virtchnl_pf_event to set link speed/status for |
| * @ice_link_speed: link speed specified by ICE_AQ_LINK_SPEED_* |
| * @link_up: whether or not to set the link up/down |
| */ |
| static void |
| ice_set_pfe_link(struct ice_vf *vf, struct virtchnl_pf_event *pfe, |
| int ice_link_speed, bool link_up) |
| { |
| if (vf->driver_caps & VIRTCHNL_VF_CAP_ADV_LINK_SPEED) { |
| pfe->event_data.link_event_adv.link_status = link_up; |
| /* Speed in Mbps */ |
| pfe->event_data.link_event_adv.link_speed = |
| ice_conv_link_speed_to_virtchnl(true, ice_link_speed); |
| } else { |
| pfe->event_data.link_event.link_status = link_up; |
| /* Legacy method for virtchnl link speeds */ |
| pfe->event_data.link_event.link_speed = |
| (enum virtchnl_link_speed) |
| ice_conv_link_speed_to_virtchnl(false, ice_link_speed); |
| } |
| } |
| |
| /** |
| * ice_vc_notify_vf_link_state - Inform a VF of link status |
| * @vf: pointer to the VF structure |
| * |
| * send a link status message to a single VF |
| */ |
| void ice_vc_notify_vf_link_state(struct ice_vf *vf) |
| { |
| struct virtchnl_pf_event pfe = { 0 }; |
| struct ice_hw *hw = &vf->pf->hw; |
| |
| pfe.event = VIRTCHNL_EVENT_LINK_CHANGE; |
| pfe.severity = PF_EVENT_SEVERITY_INFO; |
| |
| if (ice_is_vf_link_up(vf)) |
| ice_set_pfe_link(vf, &pfe, |
| hw->port_info->phy.link_info.link_speed, true); |
| else |
| ice_set_pfe_link(vf, &pfe, ICE_AQ_LINK_SPEED_UNKNOWN, false); |
| |
| ice_aq_send_msg_to_vf(hw, vf->vf_id, VIRTCHNL_OP_EVENT, |
| VIRTCHNL_STATUS_SUCCESS, (u8 *)&pfe, |
| sizeof(pfe), NULL); |
| } |
| |
| /** |
| * ice_vc_notify_link_state - Inform all VFs on a PF of link status |
| * @pf: pointer to the PF structure |
| */ |
| void ice_vc_notify_link_state(struct ice_pf *pf) |
| { |
| struct ice_vf *vf; |
| unsigned int bkt; |
| |
| mutex_lock(&pf->vfs.table_lock); |
| ice_for_each_vf(pf, bkt, vf) |
| ice_vc_notify_vf_link_state(vf); |
| mutex_unlock(&pf->vfs.table_lock); |
| } |
| |
| /** |
| * ice_vc_notify_reset - Send pending reset message to all VFs |
| * @pf: pointer to the PF structure |
| * |
| * indicate a pending reset to all VFs on a given PF |
| */ |
| void ice_vc_notify_reset(struct ice_pf *pf) |
| { |
| struct virtchnl_pf_event pfe; |
| |
| if (!ice_has_vfs(pf)) |
| return; |
| |
| pfe.event = VIRTCHNL_EVENT_RESET_IMPENDING; |
| pfe.severity = PF_EVENT_SEVERITY_CERTAIN_DOOM; |
| ice_vc_vf_broadcast(pf, VIRTCHNL_OP_EVENT, VIRTCHNL_STATUS_SUCCESS, |
| (u8 *)&pfe, sizeof(struct virtchnl_pf_event)); |
| } |
| |
| /** |
| * ice_vc_send_msg_to_vf - Send message to VF |
| * @vf: pointer to the VF info |
| * @v_opcode: virtual channel opcode |
| * @v_retval: virtual channel return value |
| * @msg: pointer to the msg buffer |
| * @msglen: msg length |
| * |
| * send msg to VF |
| */ |
| int |
| ice_vc_send_msg_to_vf(struct ice_vf *vf, u32 v_opcode, |
| enum virtchnl_status_code v_retval, u8 *msg, u16 msglen) |
| { |
| struct device *dev; |
| struct ice_pf *pf; |
| int aq_ret; |
| |
| pf = vf->pf; |
| dev = ice_pf_to_dev(pf); |
| |
| aq_ret = ice_aq_send_msg_to_vf(&pf->hw, vf->vf_id, v_opcode, v_retval, |
| msg, msglen, NULL); |
| if (aq_ret && pf->hw.mailboxq.sq_last_status != ICE_AQ_RC_ENOSYS) { |
| dev_info(dev, "Unable to send the message to VF %d ret %d aq_err %s\n", |
| vf->vf_id, aq_ret, |
| ice_aq_str(pf->hw.mailboxq.sq_last_status)); |
| return -EIO; |
| } |
| |
| return 0; |
| } |
| |
| /** |
| * ice_vc_get_ver_msg |
| * @vf: pointer to the VF info |
| * @msg: pointer to the msg buffer |
| * |
| * called from the VF to request the API version used by the PF |
| */ |
| static int ice_vc_get_ver_msg(struct ice_vf *vf, u8 *msg) |
| { |
| struct virtchnl_version_info info = { |
| VIRTCHNL_VERSION_MAJOR, VIRTCHNL_VERSION_MINOR |
| }; |
| |
| vf->vf_ver = *(struct virtchnl_version_info *)msg; |
| /* VFs running the 1.0 API expect to get 1.0 back or they will cry. */ |
| if (VF_IS_V10(&vf->vf_ver)) |
| info.minor = VIRTCHNL_VERSION_MINOR_NO_VF_CAPS; |
| |
| return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_VERSION, |
| VIRTCHNL_STATUS_SUCCESS, (u8 *)&info, |
| sizeof(struct virtchnl_version_info)); |
| } |
| |
| /** |
| * ice_vc_get_max_frame_size - get max frame size allowed for VF |
| * @vf: VF used to determine max frame size |
| * |
| * Max frame size is determined based on the current port's max frame size and |
| * whether a port VLAN is configured on this VF. The VF is not aware whether |
| * it's in a port VLAN so the PF needs to account for this in max frame size |
| * checks and sending the max frame size to the VF. |
| */ |
| static u16 ice_vc_get_max_frame_size(struct ice_vf *vf) |
| { |
| struct ice_port_info *pi = ice_vf_get_port_info(vf); |
| u16 max_frame_size; |
| |
| max_frame_size = pi->phy.link_info.max_frame_size; |
| |
| if (ice_vf_is_port_vlan_ena(vf)) |
| max_frame_size -= VLAN_HLEN; |
| |
| return max_frame_size; |
| } |
| |
| /** |
| * ice_vc_get_vlan_caps |
| * @hw: pointer to the hw |
| * @vf: pointer to the VF info |
| * @vsi: pointer to the VSI |
| * @driver_caps: current driver caps |
| * |
| * Return 0 if there is no VLAN caps supported, or VLAN caps value |
| */ |
| static u32 |
| ice_vc_get_vlan_caps(struct ice_hw *hw, struct ice_vf *vf, struct ice_vsi *vsi, |
| u32 driver_caps) |
| { |
| if (ice_is_eswitch_mode_switchdev(vf->pf)) |
| /* In switchdev setting VLAN from VF isn't supported */ |
| return 0; |
| |
| if (driver_caps & VIRTCHNL_VF_OFFLOAD_VLAN_V2) { |
| /* VLAN offloads based on current device configuration */ |
| return VIRTCHNL_VF_OFFLOAD_VLAN_V2; |
| } else if (driver_caps & VIRTCHNL_VF_OFFLOAD_VLAN) { |
| /* allow VF to negotiate VIRTCHNL_VF_OFFLOAD explicitly for |
| * these two conditions, which amounts to guest VLAN filtering |
| * and offloads being based on the inner VLAN or the |
| * inner/single VLAN respectively and don't allow VF to |
| * negotiate VIRTCHNL_VF_OFFLOAD in any other cases |
| */ |
| if (ice_is_dvm_ena(hw) && ice_vf_is_port_vlan_ena(vf)) { |
| return VIRTCHNL_VF_OFFLOAD_VLAN; |
| } else if (!ice_is_dvm_ena(hw) && |
| !ice_vf_is_port_vlan_ena(vf)) { |
| /* configure backward compatible support for VFs that |
| * only support VIRTCHNL_VF_OFFLOAD_VLAN, the PF is |
| * configured in SVM, and no port VLAN is configured |
| */ |
| ice_vf_vsi_cfg_svm_legacy_vlan_mode(vsi); |
| return VIRTCHNL_VF_OFFLOAD_VLAN; |
| } else if (ice_is_dvm_ena(hw)) { |
| /* configure software offloaded VLAN support when DVM |
| * is enabled, but no port VLAN is enabled |
| */ |
| ice_vf_vsi_cfg_dvm_legacy_vlan_mode(vsi); |
| } |
| } |
| |
| return 0; |
| } |
| |
| /** |
| * ice_vc_get_vf_res_msg |
| * @vf: pointer to the VF info |
| * @msg: pointer to the msg buffer |
| * |
| * called from the VF to request its resources |
| */ |
| static int ice_vc_get_vf_res_msg(struct ice_vf *vf, u8 *msg) |
| { |
| enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
| struct virtchnl_vf_resource *vfres = NULL; |
| struct ice_hw *hw = &vf->pf->hw; |
| struct ice_vsi *vsi; |
| int len = 0; |
| int ret; |
| |
| if (ice_check_vf_init(vf)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto err; |
| } |
| |
| len = virtchnl_struct_size(vfres, vsi_res, 0); |
| |
| vfres = kzalloc(len, GFP_KERNEL); |
| if (!vfres) { |
| v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY; |
| len = 0; |
| goto err; |
| } |
| if (VF_IS_V11(&vf->vf_ver)) |
| vf->driver_caps = *(u32 *)msg; |
| else |
| vf->driver_caps = VIRTCHNL_VF_OFFLOAD_L2 | |
| VIRTCHNL_VF_OFFLOAD_VLAN; |
| |
| vfres->vf_cap_flags = VIRTCHNL_VF_OFFLOAD_L2; |
| vsi = ice_get_vf_vsi(vf); |
| if (!vsi) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto err; |
| } |
| |
| vfres->vf_cap_flags |= ice_vc_get_vlan_caps(hw, vf, vsi, |
| vf->driver_caps); |
| |
| if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RSS_PF) |
| vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RSS_PF; |
| |
| if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC) |
| vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC; |
| |
| if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_FDIR_PF) |
| vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_FDIR_PF; |
| |
| if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2) |
| vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2; |
| |
| if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_ENCAP) |
| vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_ENCAP; |
| |
| if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM) |
| vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM; |
| |
| if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RX_POLLING) |
| vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RX_POLLING; |
| |
| if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) |
| vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_WB_ON_ITR; |
| |
| if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_REQ_QUEUES) |
| vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_REQ_QUEUES; |
| |
| if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_CRC) |
| vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_CRC; |
| |
| if (vf->driver_caps & VIRTCHNL_VF_CAP_ADV_LINK_SPEED) |
| vfres->vf_cap_flags |= VIRTCHNL_VF_CAP_ADV_LINK_SPEED; |
| |
| if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF) |
| vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF; |
| |
| if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_USO) |
| vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_USO; |
| |
| vfres->num_vsis = 1; |
| /* Tx and Rx queue are equal for VF */ |
| vfres->num_queue_pairs = vsi->num_txq; |
| vfres->max_vectors = vf->num_msix; |
| vfres->rss_key_size = ICE_VSIQF_HKEY_ARRAY_SIZE; |
| vfres->rss_lut_size = ICE_LUT_VSI_SIZE; |
| vfres->max_mtu = ice_vc_get_max_frame_size(vf); |
| |
| vfres->vsi_res[0].vsi_id = ICE_VF_VSI_ID; |
| vfres->vsi_res[0].vsi_type = VIRTCHNL_VSI_SRIOV; |
| vfres->vsi_res[0].num_queue_pairs = vsi->num_txq; |
| ether_addr_copy(vfres->vsi_res[0].default_mac_addr, |
| vf->hw_lan_addr); |
| |
| /* match guest capabilities */ |
| vf->driver_caps = vfres->vf_cap_flags; |
| |
| ice_vc_set_caps_allowlist(vf); |
| ice_vc_set_working_allowlist(vf); |
| |
| set_bit(ICE_VF_STATE_ACTIVE, vf->vf_states); |
| |
| err: |
| /* send the response back to the VF */ |
| ret = ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_VF_RESOURCES, v_ret, |
| (u8 *)vfres, len); |
| |
| kfree(vfres); |
| return ret; |
| } |
| |
| /** |
| * ice_vc_reset_vf_msg |
| * @vf: pointer to the VF info |
| * |
| * called from the VF to reset itself, |
| * unlike other virtchnl messages, PF driver |
| * doesn't send the response back to the VF |
| */ |
| static void ice_vc_reset_vf_msg(struct ice_vf *vf) |
| { |
| if (test_bit(ICE_VF_STATE_INIT, vf->vf_states)) |
| ice_reset_vf(vf, 0); |
| } |
| |
| /** |
| * ice_vc_isvalid_vsi_id |
| * @vf: pointer to the VF info |
| * @vsi_id: VF relative VSI ID |
| * |
| * check for the valid VSI ID |
| */ |
| bool ice_vc_isvalid_vsi_id(struct ice_vf *vf, u16 vsi_id) |
| { |
| return vsi_id == ICE_VF_VSI_ID; |
| } |
| |
| /** |
| * ice_vc_isvalid_q_id |
| * @vsi: VSI to check queue ID against |
| * @qid: VSI relative queue ID |
| * |
| * check for the valid queue ID |
| */ |
| static bool ice_vc_isvalid_q_id(struct ice_vsi *vsi, u8 qid) |
| { |
| /* allocated Tx and Rx queues should be always equal for VF VSI */ |
| return qid < vsi->alloc_txq; |
| } |
| |
| /** |
| * ice_vc_isvalid_ring_len |
| * @ring_len: length of ring |
| * |
| * check for the valid ring count, should be multiple of ICE_REQ_DESC_MULTIPLE |
| * or zero |
| */ |
| static bool ice_vc_isvalid_ring_len(u16 ring_len) |
| { |
| return ring_len == 0 || |
| (ring_len >= ICE_MIN_NUM_DESC && |
| ring_len <= ICE_MAX_NUM_DESC && |
| !(ring_len % ICE_REQ_DESC_MULTIPLE)); |
| } |
| |
| /** |
| * ice_vc_validate_pattern |
| * @vf: pointer to the VF info |
| * @proto: virtchnl protocol headers |
| * |
| * validate the pattern is supported or not. |
| * |
| * Return: true on success, false on error. |
| */ |
| bool |
| ice_vc_validate_pattern(struct ice_vf *vf, struct virtchnl_proto_hdrs *proto) |
| { |
| bool is_ipv4 = false; |
| bool is_ipv6 = false; |
| bool is_udp = false; |
| u16 ptype = -1; |
| int i = 0; |
| |
| while (i < proto->count && |
| proto->proto_hdr[i].type != VIRTCHNL_PROTO_HDR_NONE) { |
| switch (proto->proto_hdr[i].type) { |
| case VIRTCHNL_PROTO_HDR_ETH: |
| ptype = ICE_PTYPE_MAC_PAY; |
| break; |
| case VIRTCHNL_PROTO_HDR_IPV4: |
| ptype = ICE_PTYPE_IPV4_PAY; |
| is_ipv4 = true; |
| break; |
| case VIRTCHNL_PROTO_HDR_IPV6: |
| ptype = ICE_PTYPE_IPV6_PAY; |
| is_ipv6 = true; |
| break; |
| case VIRTCHNL_PROTO_HDR_UDP: |
| if (is_ipv4) |
| ptype = ICE_PTYPE_IPV4_UDP_PAY; |
| else if (is_ipv6) |
| ptype = ICE_PTYPE_IPV6_UDP_PAY; |
| is_udp = true; |
| break; |
| case VIRTCHNL_PROTO_HDR_TCP: |
| if (is_ipv4) |
| ptype = ICE_PTYPE_IPV4_TCP_PAY; |
| else if (is_ipv6) |
| ptype = ICE_PTYPE_IPV6_TCP_PAY; |
| break; |
| case VIRTCHNL_PROTO_HDR_SCTP: |
| if (is_ipv4) |
| ptype = ICE_PTYPE_IPV4_SCTP_PAY; |
| else if (is_ipv6) |
| ptype = ICE_PTYPE_IPV6_SCTP_PAY; |
| break; |
| case VIRTCHNL_PROTO_HDR_GTPU_IP: |
| case VIRTCHNL_PROTO_HDR_GTPU_EH: |
| if (is_ipv4) |
| ptype = ICE_MAC_IPV4_GTPU; |
| else if (is_ipv6) |
| ptype = ICE_MAC_IPV6_GTPU; |
| goto out; |
| case VIRTCHNL_PROTO_HDR_L2TPV3: |
| if (is_ipv4) |
| ptype = ICE_MAC_IPV4_L2TPV3; |
| else if (is_ipv6) |
| ptype = ICE_MAC_IPV6_L2TPV3; |
| goto out; |
| case VIRTCHNL_PROTO_HDR_ESP: |
| if (is_ipv4) |
| ptype = is_udp ? ICE_MAC_IPV4_NAT_T_ESP : |
| ICE_MAC_IPV4_ESP; |
| else if (is_ipv6) |
| ptype = is_udp ? ICE_MAC_IPV6_NAT_T_ESP : |
| ICE_MAC_IPV6_ESP; |
| goto out; |
| case VIRTCHNL_PROTO_HDR_AH: |
| if (is_ipv4) |
| ptype = ICE_MAC_IPV4_AH; |
| else if (is_ipv6) |
| ptype = ICE_MAC_IPV6_AH; |
| goto out; |
| case VIRTCHNL_PROTO_HDR_PFCP: |
| if (is_ipv4) |
| ptype = ICE_MAC_IPV4_PFCP_SESSION; |
| else if (is_ipv6) |
| ptype = ICE_MAC_IPV6_PFCP_SESSION; |
| goto out; |
| default: |
| break; |
| } |
| i++; |
| } |
| |
| out: |
| return ice_hw_ptype_ena(&vf->pf->hw, ptype); |
| } |
| |
| /** |
| * ice_vc_parse_rss_cfg - parses hash fields and headers from |
| * a specific virtchnl RSS cfg |
| * @hw: pointer to the hardware |
| * @rss_cfg: pointer to the virtchnl RSS cfg |
| * @hash_cfg: pointer to the HW hash configuration |
| * |
| * Return true if all the protocol header and hash fields in the RSS cfg could |
| * be parsed, else return false |
| * |
| * This function parses the virtchnl RSS cfg to be the intended |
| * hash fields and the intended header for RSS configuration |
| */ |
| static bool ice_vc_parse_rss_cfg(struct ice_hw *hw, |
| struct virtchnl_rss_cfg *rss_cfg, |
| struct ice_rss_hash_cfg *hash_cfg) |
| { |
| const struct ice_vc_hash_field_match_type *hf_list; |
| const struct ice_vc_hdr_match_type *hdr_list; |
| int i, hf_list_len, hdr_list_len; |
| u32 *addl_hdrs = &hash_cfg->addl_hdrs; |
| u64 *hash_flds = &hash_cfg->hash_flds; |
| |
| /* set outer layer RSS as default */ |
| hash_cfg->hdr_type = ICE_RSS_OUTER_HEADERS; |
| |
| if (rss_cfg->rss_algorithm == VIRTCHNL_RSS_ALG_TOEPLITZ_SYMMETRIC) |
| hash_cfg->symm = true; |
| else |
| hash_cfg->symm = false; |
| |
| hf_list = ice_vc_hash_field_list; |
| hf_list_len = ARRAY_SIZE(ice_vc_hash_field_list); |
| hdr_list = ice_vc_hdr_list; |
| hdr_list_len = ARRAY_SIZE(ice_vc_hdr_list); |
| |
| for (i = 0; i < rss_cfg->proto_hdrs.count; i++) { |
| struct virtchnl_proto_hdr *proto_hdr = |
| &rss_cfg->proto_hdrs.proto_hdr[i]; |
| bool hdr_found = false; |
| int j; |
| |
| /* Find matched ice headers according to virtchnl headers. */ |
| for (j = 0; j < hdr_list_len; j++) { |
| struct ice_vc_hdr_match_type hdr_map = hdr_list[j]; |
| |
| if (proto_hdr->type == hdr_map.vc_hdr) { |
| *addl_hdrs |= hdr_map.ice_hdr; |
| hdr_found = true; |
| } |
| } |
| |
| if (!hdr_found) |
| return false; |
| |
| /* Find matched ice hash fields according to |
| * virtchnl hash fields. |
| */ |
| for (j = 0; j < hf_list_len; j++) { |
| struct ice_vc_hash_field_match_type hf_map = hf_list[j]; |
| |
| if (proto_hdr->type == hf_map.vc_hdr && |
| proto_hdr->field_selector == hf_map.vc_hash_field) { |
| *hash_flds |= hf_map.ice_hash_field; |
| break; |
| } |
| } |
| } |
| |
| return true; |
| } |
| |
| /** |
| * ice_vf_adv_rss_offload_ena - determine if capabilities support advanced |
| * RSS offloads |
| * @caps: VF driver negotiated capabilities |
| * |
| * Return true if VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF capability is set, |
| * else return false |
| */ |
| static bool ice_vf_adv_rss_offload_ena(u32 caps) |
| { |
| return !!(caps & VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF); |
| } |
| |
| /** |
| * ice_vc_handle_rss_cfg |
| * @vf: pointer to the VF info |
| * @msg: pointer to the message buffer |
| * @add: add a RSS config if true, otherwise delete a RSS config |
| * |
| * This function adds/deletes a RSS config |
| */ |
| static int ice_vc_handle_rss_cfg(struct ice_vf *vf, u8 *msg, bool add) |
| { |
| u32 v_opcode = add ? VIRTCHNL_OP_ADD_RSS_CFG : VIRTCHNL_OP_DEL_RSS_CFG; |
| struct virtchnl_rss_cfg *rss_cfg = (struct virtchnl_rss_cfg *)msg; |
| enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
| struct device *dev = ice_pf_to_dev(vf->pf); |
| struct ice_hw *hw = &vf->pf->hw; |
| struct ice_vsi *vsi; |
| |
| if (!test_bit(ICE_FLAG_RSS_ENA, vf->pf->flags)) { |
| dev_dbg(dev, "VF %d attempting to configure RSS, but RSS is not supported by the PF\n", |
| vf->vf_id); |
| v_ret = VIRTCHNL_STATUS_ERR_NOT_SUPPORTED; |
| goto error_param; |
| } |
| |
| if (!ice_vf_adv_rss_offload_ena(vf->driver_caps)) { |
| dev_dbg(dev, "VF %d attempting to configure RSS, but Advanced RSS offload is not supported\n", |
| vf->vf_id); |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (rss_cfg->proto_hdrs.count > VIRTCHNL_MAX_NUM_PROTO_HDRS || |
| rss_cfg->rss_algorithm < VIRTCHNL_RSS_ALG_TOEPLITZ_ASYMMETRIC || |
| rss_cfg->rss_algorithm > VIRTCHNL_RSS_ALG_XOR_SYMMETRIC) { |
| dev_dbg(dev, "VF %d attempting to configure RSS, but RSS configuration is not valid\n", |
| vf->vf_id); |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| vsi = ice_get_vf_vsi(vf); |
| if (!vsi) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (!ice_vc_validate_pattern(vf, &rss_cfg->proto_hdrs)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (rss_cfg->rss_algorithm == VIRTCHNL_RSS_ALG_R_ASYMMETRIC) { |
| struct ice_vsi_ctx *ctx; |
| u8 lut_type, hash_type; |
| int status; |
| |
| lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_VSI; |
| hash_type = add ? ICE_AQ_VSI_Q_OPT_RSS_HASH_XOR : |
| ICE_AQ_VSI_Q_OPT_RSS_HASH_TPLZ; |
| |
| ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); |
| if (!ctx) { |
| v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY; |
| goto error_param; |
| } |
| |
| ctx->info.q_opt_rss = |
| FIELD_PREP(ICE_AQ_VSI_Q_OPT_RSS_LUT_M, lut_type) | |
| FIELD_PREP(ICE_AQ_VSI_Q_OPT_RSS_HASH_M, hash_type); |
| |
| /* Preserve existing queueing option setting */ |
| ctx->info.q_opt_rss |= (vsi->info.q_opt_rss & |
| ICE_AQ_VSI_Q_OPT_RSS_GBL_LUT_M); |
| ctx->info.q_opt_tc = vsi->info.q_opt_tc; |
| ctx->info.q_opt_flags = vsi->info.q_opt_rss; |
| |
| ctx->info.valid_sections = |
| cpu_to_le16(ICE_AQ_VSI_PROP_Q_OPT_VALID); |
| |
| status = ice_update_vsi(hw, vsi->idx, ctx, NULL); |
| if (status) { |
| dev_err(dev, "update VSI for RSS failed, err %d aq_err %s\n", |
| status, ice_aq_str(hw->adminq.sq_last_status)); |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| } else { |
| vsi->info.q_opt_rss = ctx->info.q_opt_rss; |
| } |
| |
| kfree(ctx); |
| } else { |
| struct ice_rss_hash_cfg cfg; |
| |
| /* Only check for none raw pattern case */ |
| if (!ice_vc_validate_pattern(vf, &rss_cfg->proto_hdrs)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| cfg.addl_hdrs = ICE_FLOW_SEG_HDR_NONE; |
| cfg.hash_flds = ICE_HASH_INVALID; |
| cfg.hdr_type = ICE_RSS_ANY_HEADERS; |
| |
| if (!ice_vc_parse_rss_cfg(hw, rss_cfg, &cfg)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (add) { |
| if (ice_add_rss_cfg(hw, vsi, &cfg)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| dev_err(dev, "ice_add_rss_cfg failed for vsi = %d, v_ret = %d\n", |
| vsi->vsi_num, v_ret); |
| } |
| } else { |
| int status; |
| |
| status = ice_rem_rss_cfg(hw, vsi->idx, &cfg); |
| /* We just ignore -ENOENT, because if two configurations |
| * share the same profile remove one of them actually |
| * removes both, since the profile is deleted. |
| */ |
| if (status && status != -ENOENT) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| dev_err(dev, "ice_rem_rss_cfg failed for VF ID:%d, error:%d\n", |
| vf->vf_id, status); |
| } |
| } |
| } |
| |
| error_param: |
| return ice_vc_send_msg_to_vf(vf, v_opcode, v_ret, NULL, 0); |
| } |
| |
| /** |
| * ice_vc_config_rss_key |
| * @vf: pointer to the VF info |
| * @msg: pointer to the msg buffer |
| * |
| * Configure the VF's RSS key |
| */ |
| static int ice_vc_config_rss_key(struct ice_vf *vf, u8 *msg) |
| { |
| enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
| struct virtchnl_rss_key *vrk = |
| (struct virtchnl_rss_key *)msg; |
| struct ice_vsi *vsi; |
| |
| if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (!ice_vc_isvalid_vsi_id(vf, vrk->vsi_id)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (vrk->key_len != ICE_VSIQF_HKEY_ARRAY_SIZE) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (!test_bit(ICE_FLAG_RSS_ENA, vf->pf->flags)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| vsi = ice_get_vf_vsi(vf); |
| if (!vsi) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (ice_set_rss_key(vsi, vrk->key)) |
| v_ret = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR; |
| error_param: |
| return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_RSS_KEY, v_ret, |
| NULL, 0); |
| } |
| |
| /** |
| * ice_vc_config_rss_lut |
| * @vf: pointer to the VF info |
| * @msg: pointer to the msg buffer |
| * |
| * Configure the VF's RSS LUT |
| */ |
| static int ice_vc_config_rss_lut(struct ice_vf *vf, u8 *msg) |
| { |
| struct virtchnl_rss_lut *vrl = (struct virtchnl_rss_lut *)msg; |
| enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
| struct ice_vsi *vsi; |
| |
| if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (!ice_vc_isvalid_vsi_id(vf, vrl->vsi_id)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (vrl->lut_entries != ICE_LUT_VSI_SIZE) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (!test_bit(ICE_FLAG_RSS_ENA, vf->pf->flags)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| vsi = ice_get_vf_vsi(vf); |
| if (!vsi) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (ice_set_rss_lut(vsi, vrl->lut, ICE_LUT_VSI_SIZE)) |
| v_ret = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR; |
| error_param: |
| return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_RSS_LUT, v_ret, |
| NULL, 0); |
| } |
| |
| /** |
| * ice_vc_config_rss_hfunc |
| * @vf: pointer to the VF info |
| * @msg: pointer to the msg buffer |
| * |
| * Configure the VF's RSS Hash function |
| */ |
| static int ice_vc_config_rss_hfunc(struct ice_vf *vf, u8 *msg) |
| { |
| struct virtchnl_rss_hfunc *vrh = (struct virtchnl_rss_hfunc *)msg; |
| enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
| u8 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_TPLZ; |
| struct ice_vsi *vsi; |
| |
| if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (!ice_vc_isvalid_vsi_id(vf, vrh->vsi_id)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (!test_bit(ICE_FLAG_RSS_ENA, vf->pf->flags)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| vsi = ice_get_vf_vsi(vf); |
| if (!vsi) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (vrh->rss_algorithm == VIRTCHNL_RSS_ALG_TOEPLITZ_SYMMETRIC) |
| hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ; |
| |
| if (ice_set_rss_hfunc(vsi, hfunc)) |
| v_ret = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR; |
| error_param: |
| return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_RSS_HFUNC, v_ret, |
| NULL, 0); |
| } |
| |
| /** |
| * ice_vc_cfg_promiscuous_mode_msg |
| * @vf: pointer to the VF info |
| * @msg: pointer to the msg buffer |
| * |
| * called from the VF to configure VF VSIs promiscuous mode |
| */ |
| static int ice_vc_cfg_promiscuous_mode_msg(struct ice_vf *vf, u8 *msg) |
| { |
| enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
| bool rm_promisc, alluni = false, allmulti = false; |
| struct virtchnl_promisc_info *info = |
| (struct virtchnl_promisc_info *)msg; |
| struct ice_vsi_vlan_ops *vlan_ops; |
| int mcast_err = 0, ucast_err = 0; |
| struct ice_pf *pf = vf->pf; |
| struct ice_vsi *vsi; |
| u8 mcast_m, ucast_m; |
| struct device *dev; |
| int ret = 0; |
| |
| if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (!ice_vc_isvalid_vsi_id(vf, info->vsi_id)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| vsi = ice_get_vf_vsi(vf); |
| if (!vsi) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| dev = ice_pf_to_dev(pf); |
| if (!ice_is_vf_trusted(vf)) { |
| dev_err(dev, "Unprivileged VF %d is attempting to configure promiscuous mode\n", |
| vf->vf_id); |
| /* Leave v_ret alone, lie to the VF on purpose. */ |
| goto error_param; |
| } |
| |
| if (info->flags & FLAG_VF_UNICAST_PROMISC) |
| alluni = true; |
| |
| if (info->flags & FLAG_VF_MULTICAST_PROMISC) |
| allmulti = true; |
| |
| rm_promisc = !allmulti && !alluni; |
| |
| vlan_ops = ice_get_compat_vsi_vlan_ops(vsi); |
| if (rm_promisc) |
| ret = vlan_ops->ena_rx_filtering(vsi); |
| else |
| ret = vlan_ops->dis_rx_filtering(vsi); |
| if (ret) { |
| dev_err(dev, "Failed to configure VLAN pruning in promiscuous mode\n"); |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| ice_vf_get_promisc_masks(vf, vsi, &ucast_m, &mcast_m); |
| |
| if (!test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags)) { |
| if (alluni) { |
| /* in this case we're turning on promiscuous mode */ |
| ret = ice_set_dflt_vsi(vsi); |
| } else { |
| /* in this case we're turning off promiscuous mode */ |
| if (ice_is_dflt_vsi_in_use(vsi->port_info)) |
| ret = ice_clear_dflt_vsi(vsi); |
| } |
| |
| /* in this case we're turning on/off only |
| * allmulticast |
| */ |
| if (allmulti) |
| mcast_err = ice_vf_set_vsi_promisc(vf, vsi, mcast_m); |
| else |
| mcast_err = ice_vf_clear_vsi_promisc(vf, vsi, mcast_m); |
| |
| if (ret) { |
| dev_err(dev, "Turning on/off promiscuous mode for VF %d failed, error: %d\n", |
| vf->vf_id, ret); |
| v_ret = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR; |
| goto error_param; |
| } |
| } else { |
| if (alluni) |
| ucast_err = ice_vf_set_vsi_promisc(vf, vsi, ucast_m); |
| else |
| ucast_err = ice_vf_clear_vsi_promisc(vf, vsi, ucast_m); |
| |
| if (allmulti) |
| mcast_err = ice_vf_set_vsi_promisc(vf, vsi, mcast_m); |
| else |
| mcast_err = ice_vf_clear_vsi_promisc(vf, vsi, mcast_m); |
| |
| if (ucast_err || mcast_err) |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| } |
| |
| if (!mcast_err) { |
| if (allmulti && |
| !test_and_set_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states)) |
| dev_info(dev, "VF %u successfully set multicast promiscuous mode\n", |
| vf->vf_id); |
| else if (!allmulti && |
| test_and_clear_bit(ICE_VF_STATE_MC_PROMISC, |
| vf->vf_states)) |
| dev_info(dev, "VF %u successfully unset multicast promiscuous mode\n", |
| vf->vf_id); |
| } else { |
| dev_err(dev, "Error while modifying multicast promiscuous mode for VF %u, error: %d\n", |
| vf->vf_id, mcast_err); |
| } |
| |
| if (!ucast_err) { |
| if (alluni && |
| !test_and_set_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states)) |
| dev_info(dev, "VF %u successfully set unicast promiscuous mode\n", |
| vf->vf_id); |
| else if (!alluni && |
| test_and_clear_bit(ICE_VF_STATE_UC_PROMISC, |
| vf->vf_states)) |
| dev_info(dev, "VF %u successfully unset unicast promiscuous mode\n", |
| vf->vf_id); |
| } else { |
| dev_err(dev, "Error while modifying unicast promiscuous mode for VF %u, error: %d\n", |
| vf->vf_id, ucast_err); |
| } |
| |
| error_param: |
| return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, |
| v_ret, NULL, 0); |
| } |
| |
| /** |
| * ice_vc_get_stats_msg |
| * @vf: pointer to the VF info |
| * @msg: pointer to the msg buffer |
| * |
| * called from the VF to get VSI stats |
| */ |
| static int ice_vc_get_stats_msg(struct ice_vf *vf, u8 *msg) |
| { |
| enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
| struct virtchnl_queue_select *vqs = |
| (struct virtchnl_queue_select *)msg; |
| struct ice_eth_stats stats = { 0 }; |
| struct ice_vsi *vsi; |
| |
| if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (!ice_vc_isvalid_vsi_id(vf, vqs->vsi_id)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| vsi = ice_get_vf_vsi(vf); |
| if (!vsi) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| ice_update_eth_stats(vsi); |
| |
| stats = vsi->eth_stats; |
| |
| error_param: |
| /* send the response to the VF */ |
| return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_STATS, v_ret, |
| (u8 *)&stats, sizeof(stats)); |
| } |
| |
| /** |
| * ice_vc_validate_vqs_bitmaps - validate Rx/Tx queue bitmaps from VIRTCHNL |
| * @vqs: virtchnl_queue_select structure containing bitmaps to validate |
| * |
| * Return true on successful validation, else false |
| */ |
| static bool ice_vc_validate_vqs_bitmaps(struct virtchnl_queue_select *vqs) |
| { |
| if ((!vqs->rx_queues && !vqs->tx_queues) || |
| vqs->rx_queues >= BIT(ICE_MAX_RSS_QS_PER_VF) || |
| vqs->tx_queues >= BIT(ICE_MAX_RSS_QS_PER_VF)) |
| return false; |
| |
| return true; |
| } |
| |
| /** |
| * ice_vf_ena_txq_interrupt - enable Tx queue interrupt via QINT_TQCTL |
| * @vsi: VSI of the VF to configure |
| * @q_idx: VF queue index used to determine the queue in the PF's space |
| */ |
| static void ice_vf_ena_txq_interrupt(struct ice_vsi *vsi, u32 q_idx) |
| { |
| struct ice_hw *hw = &vsi->back->hw; |
| u32 pfq = vsi->txq_map[q_idx]; |
| u32 reg; |
| |
| reg = rd32(hw, QINT_TQCTL(pfq)); |
| |
| /* MSI-X index 0 in the VF's space is always for the OICR, which means |
| * this is most likely a poll mode VF driver, so don't enable an |
| * interrupt that was never configured via VIRTCHNL_OP_CONFIG_IRQ_MAP |
| */ |
| if (!(reg & QINT_TQCTL_MSIX_INDX_M)) |
| return; |
| |
| wr32(hw, QINT_TQCTL(pfq), reg | QINT_TQCTL_CAUSE_ENA_M); |
| } |
| |
| /** |
| * ice_vf_ena_rxq_interrupt - enable Tx queue interrupt via QINT_RQCTL |
| * @vsi: VSI of the VF to configure |
| * @q_idx: VF queue index used to determine the queue in the PF's space |
| */ |
| static void ice_vf_ena_rxq_interrupt(struct ice_vsi *vsi, u32 q_idx) |
| { |
| struct ice_hw *hw = &vsi->back->hw; |
| u32 pfq = vsi->rxq_map[q_idx]; |
| u32 reg; |
| |
| reg = rd32(hw, QINT_RQCTL(pfq)); |
| |
| /* MSI-X index 0 in the VF's space is always for the OICR, which means |
| * this is most likely a poll mode VF driver, so don't enable an |
| * interrupt that was never configured via VIRTCHNL_OP_CONFIG_IRQ_MAP |
| */ |
| if (!(reg & QINT_RQCTL_MSIX_INDX_M)) |
| return; |
| |
| wr32(hw, QINT_RQCTL(pfq), reg | QINT_RQCTL_CAUSE_ENA_M); |
| } |
| |
| /** |
| * ice_vc_ena_qs_msg |
| * @vf: pointer to the VF info |
| * @msg: pointer to the msg buffer |
| * |
| * called from the VF to enable all or specific queue(s) |
| */ |
| static int ice_vc_ena_qs_msg(struct ice_vf *vf, u8 *msg) |
| { |
| enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
| struct virtchnl_queue_select *vqs = |
| (struct virtchnl_queue_select *)msg; |
| struct ice_vsi *vsi; |
| unsigned long q_map; |
| u16 vf_q_id; |
| |
| if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (!ice_vc_isvalid_vsi_id(vf, vqs->vsi_id)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (!ice_vc_validate_vqs_bitmaps(vqs)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| vsi = ice_get_vf_vsi(vf); |
| if (!vsi) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| /* Enable only Rx rings, Tx rings were enabled by the FW when the |
| * Tx queue group list was configured and the context bits were |
| * programmed using ice_vsi_cfg_txqs |
| */ |
| q_map = vqs->rx_queues; |
| for_each_set_bit(vf_q_id, &q_map, ICE_MAX_RSS_QS_PER_VF) { |
| if (!ice_vc_isvalid_q_id(vsi, vf_q_id)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| /* Skip queue if enabled */ |
| if (test_bit(vf_q_id, vf->rxq_ena)) |
| continue; |
| |
| if (ice_vsi_ctrl_one_rx_ring(vsi, true, vf_q_id, true)) { |
| dev_err(ice_pf_to_dev(vsi->back), "Failed to enable Rx ring %d on VSI %d\n", |
| vf_q_id, vsi->vsi_num); |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| ice_vf_ena_rxq_interrupt(vsi, vf_q_id); |
| set_bit(vf_q_id, vf->rxq_ena); |
| } |
| |
| q_map = vqs->tx_queues; |
| for_each_set_bit(vf_q_id, &q_map, ICE_MAX_RSS_QS_PER_VF) { |
| if (!ice_vc_isvalid_q_id(vsi, vf_q_id)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| /* Skip queue if enabled */ |
| if (test_bit(vf_q_id, vf->txq_ena)) |
| continue; |
| |
| ice_vf_ena_txq_interrupt(vsi, vf_q_id); |
| set_bit(vf_q_id, vf->txq_ena); |
| } |
| |
| /* Set flag to indicate that queues are enabled */ |
| if (v_ret == VIRTCHNL_STATUS_SUCCESS) |
| set_bit(ICE_VF_STATE_QS_ENA, vf->vf_states); |
| |
| error_param: |
| /* send the response to the VF */ |
| return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ENABLE_QUEUES, v_ret, |
| NULL, 0); |
| } |
| |
| /** |
| * ice_vf_vsi_dis_single_txq - disable a single Tx queue |
| * @vf: VF to disable queue for |
| * @vsi: VSI for the VF |
| * @q_id: VF relative (0-based) queue ID |
| * |
| * Attempt to disable the Tx queue passed in. If the Tx queue was successfully |
| * disabled then clear q_id bit in the enabled queues bitmap and return |
| * success. Otherwise return error. |
| */ |
| static int |
| ice_vf_vsi_dis_single_txq(struct ice_vf *vf, struct ice_vsi *vsi, u16 q_id) |
| { |
| struct ice_txq_meta txq_meta = { 0 }; |
| struct ice_tx_ring *ring; |
| int err; |
| |
| if (!test_bit(q_id, vf->txq_ena)) |
| dev_dbg(ice_pf_to_dev(vsi->back), "Queue %u on VSI %u is not enabled, but stopping it anyway\n", |
| q_id, vsi->vsi_num); |
| |
| ring = vsi->tx_rings[q_id]; |
| if (!ring) |
| return -EINVAL; |
| |
| ice_fill_txq_meta(vsi, ring, &txq_meta); |
| |
| err = ice_vsi_stop_tx_ring(vsi, ICE_NO_RESET, vf->vf_id, ring, &txq_meta); |
| if (err) { |
| dev_err(ice_pf_to_dev(vsi->back), "Failed to stop Tx ring %d on VSI %d\n", |
| q_id, vsi->vsi_num); |
| return err; |
| } |
| |
| /* Clear enabled queues flag */ |
| clear_bit(q_id, vf->txq_ena); |
| |
| return 0; |
| } |
| |
| /** |
| * ice_vc_dis_qs_msg |
| * @vf: pointer to the VF info |
| * @msg: pointer to the msg buffer |
| * |
| * called from the VF to disable all or specific queue(s) |
| */ |
| static int ice_vc_dis_qs_msg(struct ice_vf *vf, u8 *msg) |
| { |
| enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
| struct virtchnl_queue_select *vqs = |
| (struct virtchnl_queue_select *)msg; |
| struct ice_vsi *vsi; |
| unsigned long q_map; |
| u16 vf_q_id; |
| |
| if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states) && |
| !test_bit(ICE_VF_STATE_QS_ENA, vf->vf_states)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (!ice_vc_isvalid_vsi_id(vf, vqs->vsi_id)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (!ice_vc_validate_vqs_bitmaps(vqs)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| vsi = ice_get_vf_vsi(vf); |
| if (!vsi) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (vqs->tx_queues) { |
| q_map = vqs->tx_queues; |
| |
| for_each_set_bit(vf_q_id, &q_map, ICE_MAX_RSS_QS_PER_VF) { |
| if (!ice_vc_isvalid_q_id(vsi, vf_q_id)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (ice_vf_vsi_dis_single_txq(vf, vsi, vf_q_id)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| } |
| } |
| |
| q_map = vqs->rx_queues; |
| /* speed up Rx queue disable by batching them if possible */ |
| if (q_map && |
| bitmap_equal(&q_map, vf->rxq_ena, ICE_MAX_RSS_QS_PER_VF)) { |
| if (ice_vsi_stop_all_rx_rings(vsi)) { |
| dev_err(ice_pf_to_dev(vsi->back), "Failed to stop all Rx rings on VSI %d\n", |
| vsi->vsi_num); |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| bitmap_zero(vf->rxq_ena, ICE_MAX_RSS_QS_PER_VF); |
| } else if (q_map) { |
| for_each_set_bit(vf_q_id, &q_map, ICE_MAX_RSS_QS_PER_VF) { |
| if (!ice_vc_isvalid_q_id(vsi, vf_q_id)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| /* Skip queue if not enabled */ |
| if (!test_bit(vf_q_id, vf->rxq_ena)) |
| continue; |
| |
| if (ice_vsi_ctrl_one_rx_ring(vsi, false, vf_q_id, |
| true)) { |
| dev_err(ice_pf_to_dev(vsi->back), "Failed to stop Rx ring %d on VSI %d\n", |
| vf_q_id, vsi->vsi_num); |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| /* Clear enabled queues flag */ |
| clear_bit(vf_q_id, vf->rxq_ena); |
| } |
| } |
| |
| /* Clear enabled queues flag */ |
| if (v_ret == VIRTCHNL_STATUS_SUCCESS && ice_vf_has_no_qs_ena(vf)) |
| clear_bit(ICE_VF_STATE_QS_ENA, vf->vf_states); |
| |
| error_param: |
| /* send the response to the VF */ |
| return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DISABLE_QUEUES, v_ret, |
| NULL, 0); |
| } |
| |
| /** |
| * ice_cfg_interrupt |
| * @vf: pointer to the VF info |
| * @vsi: the VSI being configured |
| * @vector_id: vector ID |
| * @map: vector map for mapping vectors to queues |
| * @q_vector: structure for interrupt vector |
| * configure the IRQ to queue map |
| */ |
| static int |
| ice_cfg_interrupt(struct ice_vf *vf, struct ice_vsi *vsi, u16 vector_id, |
| struct virtchnl_vector_map *map, |
| struct ice_q_vector *q_vector) |
| { |
| u16 vsi_q_id, vsi_q_id_idx; |
| unsigned long qmap; |
| |
| q_vector->num_ring_rx = 0; |
| q_vector->num_ring_tx = 0; |
| |
| qmap = map->rxq_map; |
| for_each_set_bit(vsi_q_id_idx, &qmap, ICE_MAX_RSS_QS_PER_VF) { |
| vsi_q_id = vsi_q_id_idx; |
| |
| if (!ice_vc_isvalid_q_id(vsi, vsi_q_id)) |
| return VIRTCHNL_STATUS_ERR_PARAM; |
| |
| q_vector->num_ring_rx++; |
| q_vector->rx.itr_idx = map->rxitr_idx; |
| vsi->rx_rings[vsi_q_id]->q_vector = q_vector; |
| ice_cfg_rxq_interrupt(vsi, vsi_q_id, vector_id, |
| q_vector->rx.itr_idx); |
| } |
| |
| qmap = map->txq_map; |
| for_each_set_bit(vsi_q_id_idx, &qmap, ICE_MAX_RSS_QS_PER_VF) { |
| vsi_q_id = vsi_q_id_idx; |
| |
| if (!ice_vc_isvalid_q_id(vsi, vsi_q_id)) |
| return VIRTCHNL_STATUS_ERR_PARAM; |
| |
| q_vector->num_ring_tx++; |
| q_vector->tx.itr_idx = map->txitr_idx; |
| vsi->tx_rings[vsi_q_id]->q_vector = q_vector; |
| ice_cfg_txq_interrupt(vsi, vsi_q_id, vector_id, |
| q_vector->tx.itr_idx); |
| } |
| |
| return VIRTCHNL_STATUS_SUCCESS; |
| } |
| |
| /** |
| * ice_vc_cfg_irq_map_msg |
| * @vf: pointer to the VF info |
| * @msg: pointer to the msg buffer |
| * |
| * called from the VF to configure the IRQ to queue map |
| */ |
| static int ice_vc_cfg_irq_map_msg(struct ice_vf *vf, u8 *msg) |
| { |
| enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
| u16 num_q_vectors_mapped, vsi_id, vector_id; |
| struct virtchnl_irq_map_info *irqmap_info; |
| struct virtchnl_vector_map *map; |
| struct ice_vsi *vsi; |
| int i; |
| |
| irqmap_info = (struct virtchnl_irq_map_info *)msg; |
| num_q_vectors_mapped = irqmap_info->num_vectors; |
| |
| /* Check to make sure number of VF vectors mapped is not greater than |
| * number of VF vectors originally allocated, and check that |
| * there is actually at least a single VF queue vector mapped |
| */ |
| if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states) || |
| vf->num_msix < num_q_vectors_mapped || |
| !num_q_vectors_mapped) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| vsi = ice_get_vf_vsi(vf); |
| if (!vsi) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| for (i = 0; i < num_q_vectors_mapped; i++) { |
| struct ice_q_vector *q_vector; |
| |
| map = &irqmap_info->vecmap[i]; |
| |
| vector_id = map->vector_id; |
| vsi_id = map->vsi_id; |
| /* vector_id is always 0-based for each VF, and can never be |
| * larger than or equal to the max allowed interrupts per VF |
| */ |
| if (!(vector_id < vf->num_msix) || |
| !ice_vc_isvalid_vsi_id(vf, vsi_id) || |
| (!vector_id && (map->rxq_map || map->txq_map))) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| /* No need to map VF miscellaneous or rogue vector */ |
| if (!vector_id) |
| continue; |
| |
| /* Subtract non queue vector from vector_id passed by VF |
| * to get actual number of VSI queue vector array index |
| */ |
| q_vector = vsi->q_vectors[vector_id - ICE_NONQ_VECS_VF]; |
| if (!q_vector) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| /* lookout for the invalid queue index */ |
| v_ret = (enum virtchnl_status_code) |
| ice_cfg_interrupt(vf, vsi, vector_id, map, q_vector); |
| if (v_ret) |
| goto error_param; |
| } |
| |
| error_param: |
| /* send the response to the VF */ |
| return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_IRQ_MAP, v_ret, |
| NULL, 0); |
| } |
| |
| /** |
| * ice_vc_cfg_qs_msg |
| * @vf: pointer to the VF info |
| * @msg: pointer to the msg buffer |
| * |
| * called from the VF to configure the Rx/Tx queues |
| */ |
| static int ice_vc_cfg_qs_msg(struct ice_vf *vf, u8 *msg) |
| { |
| struct virtchnl_vsi_queue_config_info *qci = |
| (struct virtchnl_vsi_queue_config_info *)msg; |
| struct virtchnl_queue_pair_info *qpi; |
| struct ice_pf *pf = vf->pf; |
| struct ice_lag *lag; |
| struct ice_vsi *vsi; |
| u8 act_prt, pri_prt; |
| int i = -1, q_idx; |
| |
| lag = pf->lag; |
| mutex_lock(&pf->lag_mutex); |
| act_prt = ICE_LAG_INVALID_PORT; |
| pri_prt = pf->hw.port_info->lport; |
| if (lag && lag->bonded && lag->primary) { |
| act_prt = lag->active_port; |
| if (act_prt != pri_prt && act_prt != ICE_LAG_INVALID_PORT && |
| lag->upper_netdev) |
| ice_lag_move_vf_nodes_cfg(lag, act_prt, pri_prt); |
| else |
| act_prt = ICE_LAG_INVALID_PORT; |
| } |
| |
| if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) |
| goto error_param; |
| |
| if (!ice_vc_isvalid_vsi_id(vf, qci->vsi_id)) |
| goto error_param; |
| |
| vsi = ice_get_vf_vsi(vf); |
| if (!vsi) |
| goto error_param; |
| |
| if (qci->num_queue_pairs > ICE_MAX_RSS_QS_PER_VF || |
| qci->num_queue_pairs > min_t(u16, vsi->alloc_txq, vsi->alloc_rxq)) { |
| dev_err(ice_pf_to_dev(pf), "VF-%d requesting more than supported number of queues: %d\n", |
| vf->vf_id, min_t(u16, vsi->alloc_txq, vsi->alloc_rxq)); |
| goto error_param; |
| } |
| |
| for (i = 0; i < qci->num_queue_pairs; i++) { |
| if (!qci->qpair[i].rxq.crc_disable) |
| continue; |
| |
| if (!(vf->driver_caps & VIRTCHNL_VF_OFFLOAD_CRC) || |
| vf->vlan_strip_ena) |
| goto error_param; |
| } |
| |
| for (i = 0; i < qci->num_queue_pairs; i++) { |
| qpi = &qci->qpair[i]; |
| if (qpi->txq.vsi_id != qci->vsi_id || |
| qpi->rxq.vsi_id != qci->vsi_id || |
| qpi->rxq.queue_id != qpi->txq.queue_id || |
| qpi->txq.headwb_enabled || |
| !ice_vc_isvalid_ring_len(qpi->txq.ring_len) || |
| !ice_vc_isvalid_ring_len(qpi->rxq.ring_len) || |
| !ice_vc_isvalid_q_id(vsi, qpi->txq.queue_id)) { |
| goto error_param; |
| } |
| |
| q_idx = qpi->rxq.queue_id; |
| |
| /* make sure selected "q_idx" is in valid range of queues |
| * for selected "vsi" |
| */ |
| if (q_idx >= vsi->alloc_txq || q_idx >= vsi->alloc_rxq) { |
| goto error_param; |
| } |
| |
| /* copy Tx queue info from VF into VSI */ |
| if (qpi->txq.ring_len > 0) { |
| vsi->tx_rings[i]->dma = qpi->txq.dma_ring_addr; |
| vsi->tx_rings[i]->count = qpi->txq.ring_len; |
| |
| /* Disable any existing queue first */ |
| if (ice_vf_vsi_dis_single_txq(vf, vsi, q_idx)) |
| goto error_param; |
| |
| /* Configure a queue with the requested settings */ |
| if (ice_vsi_cfg_single_txq(vsi, vsi->tx_rings, q_idx)) { |
| dev_warn(ice_pf_to_dev(pf), "VF-%d failed to configure TX queue %d\n", |
| vf->vf_id, i); |
| goto error_param; |
| } |
| } |
| |
| /* copy Rx queue info from VF into VSI */ |
| if (qpi->rxq.ring_len > 0) { |
| u16 max_frame_size = ice_vc_get_max_frame_size(vf); |
| u32 rxdid; |
| |
| vsi->rx_rings[i]->dma = qpi->rxq.dma_ring_addr; |
| vsi->rx_rings[i]->count = qpi->rxq.ring_len; |
| |
| if (qpi->rxq.crc_disable) |
| vsi->rx_rings[q_idx]->flags |= |
| ICE_RX_FLAGS_CRC_STRIP_DIS; |
| else |
| vsi->rx_rings[q_idx]->flags &= |
| ~ICE_RX_FLAGS_CRC_STRIP_DIS; |
| |
| if (qpi->rxq.databuffer_size != 0 && |
| (qpi->rxq.databuffer_size > ((16 * 1024) - 128) || |
| qpi->rxq.databuffer_size < 1024)) |
| goto error_param; |
| vsi->rx_buf_len = qpi->rxq.databuffer_size; |
| vsi->rx_rings[i]->rx_buf_len = vsi->rx_buf_len; |
| if (qpi->rxq.max_pkt_size > max_frame_size || |
| qpi->rxq.max_pkt_size < 64) |
| goto error_param; |
| |
| vsi->max_frame = qpi->rxq.max_pkt_size; |
| /* add space for the port VLAN since the VF driver is |
| * not expected to account for it in the MTU |
| * calculation |
| */ |
| if (ice_vf_is_port_vlan_ena(vf)) |
| vsi->max_frame += VLAN_HLEN; |
| |
| if (ice_vsi_cfg_single_rxq(vsi, q_idx)) { |
| dev_warn(ice_pf_to_dev(pf), "VF-%d failed to configure RX queue %d\n", |
| vf->vf_id, i); |
| goto error_param; |
| } |
| |
| /* If Rx flex desc is supported, select RXDID for Rx |
| * queues. Otherwise, use legacy 32byte descriptor |
| * format. Legacy 16byte descriptor is not supported. |
| * If this RXDID is selected, return error. |
| */ |
| if (vf->driver_caps & |
| VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC) { |
| rxdid = qpi->rxq.rxdid; |
| if (!(BIT(rxdid) & pf->supported_rxdids)) |
| goto error_param; |
| } else { |
| rxdid = ICE_RXDID_LEGACY_1; |
| } |
| |
| ice_write_qrxflxp_cntxt(&vsi->back->hw, |
| vsi->rxq_map[q_idx], |
| rxdid, 0x03, false); |
| } |
| } |
| |
| if (lag && lag->bonded && lag->primary && |
| act_prt != ICE_LAG_INVALID_PORT) |
| ice_lag_move_vf_nodes_cfg(lag, pri_prt, act_prt); |
| mutex_unlock(&pf->lag_mutex); |
| |
| /* send the response to the VF */ |
| return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_VSI_QUEUES, |
| VIRTCHNL_STATUS_SUCCESS, NULL, 0); |
| error_param: |
| /* disable whatever we can */ |
| for (; i >= 0; i--) { |
| if (ice_vsi_ctrl_one_rx_ring(vsi, false, i, true)) |
| dev_err(ice_pf_to_dev(pf), "VF-%d could not disable RX queue %d\n", |
| vf->vf_id, i); |
| if (ice_vf_vsi_dis_single_txq(vf, vsi, i)) |
| dev_err(ice_pf_to_dev(pf), "VF-%d could not disable TX queue %d\n", |
| vf->vf_id, i); |
| } |
| |
| if (lag && lag->bonded && lag->primary && |
| act_prt != ICE_LAG_INVALID_PORT) |
| ice_lag_move_vf_nodes_cfg(lag, pri_prt, act_prt); |
| mutex_unlock(&pf->lag_mutex); |
| |
| ice_lag_move_new_vf_nodes(vf); |
| |
| /* send the response to the VF */ |
| return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_VSI_QUEUES, |
| VIRTCHNL_STATUS_ERR_PARAM, NULL, 0); |
| } |
| |
| /** |
| * ice_can_vf_change_mac |
| * @vf: pointer to the VF info |
| * |
| * Return true if the VF is allowed to change its MAC filters, false otherwise |
| */ |
| static bool ice_can_vf_change_mac(struct ice_vf *vf) |
| { |
| /* If the VF MAC address has been set administratively (via the |
| * ndo_set_vf_mac command), then deny permission to the VF to |
| * add/delete unicast MAC addresses, unless the VF is trusted |
| */ |
| if (vf->pf_set_mac && !ice_is_vf_trusted(vf)) |
| return false; |
| |
| return true; |
| } |
| |
| /** |
| * ice_vc_ether_addr_type - get type of virtchnl_ether_addr |
| * @vc_ether_addr: used to extract the type |
| */ |
| static u8 |
| ice_vc_ether_addr_type(struct virtchnl_ether_addr *vc_ether_addr) |
| { |
| return (vc_ether_addr->type & VIRTCHNL_ETHER_ADDR_TYPE_MASK); |
| } |
| |
| /** |
| * ice_is_vc_addr_legacy - check if the MAC address is from an older VF |
| * @vc_ether_addr: VIRTCHNL structure that contains MAC and type |
| */ |
| static bool |
| ice_is_vc_addr_legacy(struct virtchnl_ether_addr *vc_ether_addr) |
| { |
| u8 type = ice_vc_ether_addr_type(vc_ether_addr); |
| |
| return (type == VIRTCHNL_ETHER_ADDR_LEGACY); |
| } |
| |
| /** |
| * ice_is_vc_addr_primary - check if the MAC address is the VF's primary MAC |
| * @vc_ether_addr: VIRTCHNL structure that contains MAC and type |
| * |
| * This function should only be called when the MAC address in |
| * virtchnl_ether_addr is a valid unicast MAC |
| */ |
| static bool |
| ice_is_vc_addr_primary(struct virtchnl_ether_addr __maybe_unused *vc_ether_addr) |
| { |
| u8 type = ice_vc_ether_addr_type(vc_ether_addr); |
| |
| return (type == VIRTCHNL_ETHER_ADDR_PRIMARY); |
| } |
| |
| /** |
| * ice_vfhw_mac_add - update the VF's cached hardware MAC if allowed |
| * @vf: VF to update |
| * @vc_ether_addr: structure from VIRTCHNL with MAC to add |
| */ |
| static void |
| ice_vfhw_mac_add(struct ice_vf *vf, struct virtchnl_ether_addr *vc_ether_addr) |
| { |
| u8 *mac_addr = vc_ether_addr->addr; |
| |
| if (!is_valid_ether_addr(mac_addr)) |
| return; |
| |
| /* only allow legacy VF drivers to set the device and hardware MAC if it |
| * is zero and allow new VF drivers to set the hardware MAC if the type |
| * was correctly specified over VIRTCHNL |
| */ |
| if ((ice_is_vc_addr_legacy(vc_ether_addr) && |
| is_zero_ether_addr(vf->hw_lan_addr)) || |
| ice_is_vc_addr_primary(vc_ether_addr)) { |
| ether_addr_copy(vf->dev_lan_addr, mac_addr); |
| ether_addr_copy(vf->hw_lan_addr, mac_addr); |
| } |
| |
| /* hardware and device MACs are already set, but its possible that the |
| * VF driver sent the VIRTCHNL_OP_ADD_ETH_ADDR message before the |
| * VIRTCHNL_OP_DEL_ETH_ADDR when trying to update its MAC, so save it |
| * away for the legacy VF driver case as it will be updated in the |
| * delete flow for this case |
| */ |
| if (ice_is_vc_addr_legacy(vc_ether_addr)) { |
| ether_addr_copy(vf->legacy_last_added_umac.addr, |
| mac_addr); |
| vf->legacy_last_added_umac.time_modified = jiffies; |
| } |
| } |
| |
| /** |
| * ice_vc_add_mac_addr - attempt to add the MAC address passed in |
| * @vf: pointer to the VF info |
| * @vsi: pointer to the VF's VSI |
| * @vc_ether_addr: VIRTCHNL MAC address structure used to add MAC |
| */ |
| static int |
| ice_vc_add_mac_addr(struct ice_vf *vf, struct ice_vsi *vsi, |
| struct virtchnl_ether_addr *vc_ether_addr) |
| { |
| struct device *dev = ice_pf_to_dev(vf->pf); |
| u8 *mac_addr = vc_ether_addr->addr; |
| int ret; |
| |
| /* device MAC already added */ |
| if (ether_addr_equal(mac_addr, vf->dev_lan_addr)) |
| return 0; |
| |
| if (is_unicast_ether_addr(mac_addr) && !ice_can_vf_change_mac(vf)) { |
| dev_err(dev, "VF attempting to override administratively set MAC address, bring down and up the VF interface to resume normal operation\n"); |
| return -EPERM; |
| } |
| |
| ret = ice_fltr_add_mac(vsi, mac_addr, ICE_FWD_TO_VSI); |
| if (ret == -EEXIST) { |
| dev_dbg(dev, "MAC %pM already exists for VF %d\n", mac_addr, |
| vf->vf_id); |
| /* don't return since we might need to update |
| * the primary MAC in ice_vfhw_mac_add() below |
| */ |
| } else if (ret) { |
| dev_err(dev, "Failed to add MAC %pM for VF %d\n, error %d\n", |
| mac_addr, vf->vf_id, ret); |
| return ret; |
| } else { |
| vf->num_mac++; |
| } |
| |
| ice_vfhw_mac_add(vf, vc_ether_addr); |
| |
| return ret; |
| } |
| |
| /** |
| * ice_is_legacy_umac_expired - check if last added legacy unicast MAC expired |
| * @last_added_umac: structure used to check expiration |
| */ |
| static bool ice_is_legacy_umac_expired(struct ice_time_mac *last_added_umac) |
| { |
| #define ICE_LEGACY_VF_MAC_CHANGE_EXPIRE_TIME msecs_to_jiffies(3000) |
| return time_is_before_jiffies(last_added_umac->time_modified + |
| ICE_LEGACY_VF_MAC_CHANGE_EXPIRE_TIME); |
| } |
| |
| /** |
| * ice_update_legacy_cached_mac - update cached hardware MAC for legacy VF |
| * @vf: VF to update |
| * @vc_ether_addr: structure from VIRTCHNL with MAC to check |
| * |
| * only update cached hardware MAC for legacy VF drivers on delete |
| * because we cannot guarantee order/type of MAC from the VF driver |
| */ |
| static void |
| ice_update_legacy_cached_mac(struct ice_vf *vf, |
| struct virtchnl_ether_addr *vc_ether_addr) |
| { |
| if (!ice_is_vc_addr_legacy(vc_ether_addr) || |
| ice_is_legacy_umac_expired(&vf->legacy_last_added_umac)) |
| return; |
| |
| ether_addr_copy(vf->dev_lan_addr, vf->legacy_last_added_umac.addr); |
| ether_addr_copy(vf->hw_lan_addr, vf->legacy_last_added_umac.addr); |
| } |
| |
| /** |
| * ice_vfhw_mac_del - update the VF's cached hardware MAC if allowed |
| * @vf: VF to update |
| * @vc_ether_addr: structure from VIRTCHNL with MAC to delete |
| */ |
| static void |
| ice_vfhw_mac_del(struct ice_vf *vf, struct virtchnl_ether_addr *vc_ether_addr) |
| { |
| u8 *mac_addr = vc_ether_addr->addr; |
| |
| if (!is_valid_ether_addr(mac_addr) || |
| !ether_addr_equal(vf->dev_lan_addr, mac_addr)) |
| return; |
| |
| /* allow the device MAC to be repopulated in the add flow and don't |
| * clear the hardware MAC (i.e. hw_lan_addr) here as that is meant |
| * to be persistent on VM reboot and across driver unload/load, which |
| * won't work if we clear the hardware MAC here |
| */ |
| eth_zero_addr(vf->dev_lan_addr); |
| |
| ice_update_legacy_cached_mac(vf, vc_ether_addr); |
| } |
| |
| /** |
| * ice_vc_del_mac_addr - attempt to delete the MAC address passed in |
| * @vf: pointer to the VF info |
| * @vsi: pointer to the VF's VSI |
| * @vc_ether_addr: VIRTCHNL MAC address structure used to delete MAC |
| */ |
| static int |
| ice_vc_del_mac_addr(struct ice_vf *vf, struct ice_vsi *vsi, |
| struct virtchnl_ether_addr *vc_ether_addr) |
| { |
| struct device *dev = ice_pf_to_dev(vf->pf); |
| u8 *mac_addr = vc_ether_addr->addr; |
| int status; |
| |
| if (!ice_can_vf_change_mac(vf) && |
| ether_addr_equal(vf->dev_lan_addr, mac_addr)) |
| return 0; |
| |
| status = ice_fltr_remove_mac(vsi, mac_addr, ICE_FWD_TO_VSI); |
| if (status == -ENOENT) { |
| dev_err(dev, "MAC %pM does not exist for VF %d\n", mac_addr, |
| vf->vf_id); |
| return -ENOENT; |
| } else if (status) { |
| dev_err(dev, "Failed to delete MAC %pM for VF %d, error %d\n", |
| mac_addr, vf->vf_id, status); |
| return -EIO; |
| } |
| |
| ice_vfhw_mac_del(vf, vc_ether_addr); |
| |
| vf->num_mac--; |
| |
| return 0; |
| } |
| |
| /** |
| * ice_vc_handle_mac_addr_msg |
| * @vf: pointer to the VF info |
| * @msg: pointer to the msg buffer |
| * @set: true if MAC filters are being set, false otherwise |
| * |
| * add guest MAC address filter |
| */ |
| static int |
| ice_vc_handle_mac_addr_msg(struct ice_vf *vf, u8 *msg, bool set) |
| { |
| int (*ice_vc_cfg_mac) |
| (struct ice_vf *vf, struct ice_vsi *vsi, |
| struct virtchnl_ether_addr *virtchnl_ether_addr); |
| enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
| struct virtchnl_ether_addr_list *al = |
| (struct virtchnl_ether_addr_list *)msg; |
| struct ice_pf *pf = vf->pf; |
| enum virtchnl_ops vc_op; |
| struct ice_vsi *vsi; |
| int i; |
| |
| if (set) { |
| vc_op = VIRTCHNL_OP_ADD_ETH_ADDR; |
| ice_vc_cfg_mac = ice_vc_add_mac_addr; |
| } else { |
| vc_op = VIRTCHNL_OP_DEL_ETH_ADDR; |
| ice_vc_cfg_mac = ice_vc_del_mac_addr; |
| } |
| |
| if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states) || |
| !ice_vc_isvalid_vsi_id(vf, al->vsi_id)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto handle_mac_exit; |
| } |
| |
| /* If this VF is not privileged, then we can't add more than a |
| * limited number of addresses. Check to make sure that the |
| * additions do not push us over the limit. |
| */ |
| if (set && !ice_is_vf_trusted(vf) && |
| (vf->num_mac + al->num_elements) > ICE_MAX_MACADDR_PER_VF) { |
| 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", |
| vf->vf_id); |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto handle_mac_exit; |
| } |
| |
| vsi = ice_get_vf_vsi(vf); |
| if (!vsi) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto handle_mac_exit; |
| } |
| |
| for (i = 0; i < al->num_elements; i++) { |
| u8 *mac_addr = al->list[i].addr; |
| int result; |
| |
| if (is_broadcast_ether_addr(mac_addr) || |
| is_zero_ether_addr(mac_addr)) |
| continue; |
| |
| result = ice_vc_cfg_mac(vf, vsi, &al->list[i]); |
| if (result == -EEXIST || result == -ENOENT) { |
| continue; |
| } else if (result) { |
| v_ret = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR; |
| goto handle_mac_exit; |
| } |
| } |
| |
| handle_mac_exit: |
| /* send the response to the VF */ |
| return ice_vc_send_msg_to_vf(vf, vc_op, v_ret, NULL, 0); |
| } |
| |
| /** |
| * ice_vc_add_mac_addr_msg |
| * @vf: pointer to the VF info |
| * @msg: pointer to the msg buffer |
| * |
| * add guest MAC address filter |
| */ |
| static int ice_vc_add_mac_addr_msg(struct ice_vf *vf, u8 *msg) |
| { |
| return ice_vc_handle_mac_addr_msg(vf, msg, true); |
| } |
| |
| /** |
| * ice_vc_del_mac_addr_msg |
| * @vf: pointer to the VF info |
| * @msg: pointer to the msg buffer |
| * |
| * remove guest MAC address filter |
| */ |
| static int ice_vc_del_mac_addr_msg(struct ice_vf *vf, u8 *msg) |
| { |
| return ice_vc_handle_mac_addr_msg(vf, msg, false); |
| } |
| |
| /** |
| * ice_vc_request_qs_msg |
| * @vf: pointer to the VF info |
| * @msg: pointer to the msg buffer |
| * |
| * VFs get a default number of queues but can use this message to request a |
| * different number. If the request is successful, PF will reset the VF and |
| * return 0. If unsuccessful, PF will send message informing VF of number of |
| * available queue pairs via virtchnl message response to VF. |
| */ |
| static int ice_vc_request_qs_msg(struct ice_vf *vf, u8 *msg) |
| { |
| enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
| struct virtchnl_vf_res_request *vfres = |
| (struct virtchnl_vf_res_request *)msg; |
| u16 req_queues = vfres->num_queue_pairs; |
| struct ice_pf *pf = vf->pf; |
| u16 max_allowed_vf_queues; |
| u16 tx_rx_queue_left; |
| struct device *dev; |
| u16 cur_queues; |
| |
| dev = ice_pf_to_dev(pf); |
| if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| cur_queues = vf->num_vf_qs; |
| tx_rx_queue_left = min_t(u16, ice_get_avail_txq_count(pf), |
| ice_get_avail_rxq_count(pf)); |
| max_allowed_vf_queues = tx_rx_queue_left + cur_queues; |
| if (!req_queues) { |
| dev_err(dev, "VF %d tried to request 0 queues. Ignoring.\n", |
| vf->vf_id); |
| } else if (req_queues > ICE_MAX_RSS_QS_PER_VF) { |
| dev_err(dev, "VF %d tried to request more than %d queues.\n", |
| vf->vf_id, ICE_MAX_RSS_QS_PER_VF); |
| vfres->num_queue_pairs = ICE_MAX_RSS_QS_PER_VF; |
| } else if (req_queues > cur_queues && |
| req_queues - cur_queues > tx_rx_queue_left) { |
| dev_warn(dev, "VF %d requested %u more queues, but only %u left.\n", |
| vf->vf_id, req_queues - cur_queues, tx_rx_queue_left); |
| vfres->num_queue_pairs = min_t(u16, max_allowed_vf_queues, |
| ICE_MAX_RSS_QS_PER_VF); |
| } else { |
| /* request is successful, then reset VF */ |
| vf->num_req_qs = req_queues; |
| ice_reset_vf(vf, ICE_VF_RESET_NOTIFY); |
| dev_info(dev, "VF %d granted request of %u queues.\n", |
| vf->vf_id, req_queues); |
| return 0; |
| } |
| |
| error_param: |
| /* send the response to the VF */ |
| return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_REQUEST_QUEUES, |
| v_ret, (u8 *)vfres, sizeof(*vfres)); |
| } |
| |
| /** |
| * ice_vf_vlan_offload_ena - determine if capabilities support VLAN offloads |
| * @caps: VF driver negotiated capabilities |
| * |
| * Return true if VIRTCHNL_VF_OFFLOAD_VLAN capability is set, else return false |
| */ |
| static bool ice_vf_vlan_offload_ena(u32 caps) |
| { |
| return !!(caps & VIRTCHNL_VF_OFFLOAD_VLAN); |
| } |
| |
| /** |
| * ice_is_vlan_promisc_allowed - check if VLAN promiscuous config is allowed |
| * @vf: VF used to determine if VLAN promiscuous config is allowed |
| */ |
| static bool ice_is_vlan_promisc_allowed(struct ice_vf *vf) |
| { |
| if ((test_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states) || |
| test_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states)) && |
| test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, vf->pf->flags)) |
| return true; |
| |
| return false; |
| } |
| |
| /** |
| * ice_vf_ena_vlan_promisc - Enable Tx/Rx VLAN promiscuous for the VLAN |
| * @vsi: VF's VSI used to enable VLAN promiscuous mode |
| * @vlan: VLAN used to enable VLAN promiscuous |
| * |
| * This function should only be called if VLAN promiscuous mode is allowed, |
| * which can be determined via ice_is_vlan_promisc_allowed(). |
| */ |
| static int ice_vf_ena_vlan_promisc(struct ice_vsi *vsi, struct ice_vlan *vlan) |
| { |
| u8 promisc_m = ICE_PROMISC_VLAN_TX | ICE_PROMISC_VLAN_RX; |
| int status; |
| |
| status = ice_fltr_set_vsi_promisc(&vsi->back->hw, vsi->idx, promisc_m, |
| vlan->vid); |
| if (status && status != -EEXIST) |
| return status; |
| |
| return 0; |
| } |
| |
| /** |
| * ice_vf_dis_vlan_promisc - Disable Tx/Rx VLAN promiscuous for the VLAN |
| * @vsi: VF's VSI used to disable VLAN promiscuous mode for |
| * @vlan: VLAN used to disable VLAN promiscuous |
| * |
| * This function should only be called if VLAN promiscuous mode is allowed, |
| * which can be determined via ice_is_vlan_promisc_allowed(). |
| */ |
| static int ice_vf_dis_vlan_promisc(struct ice_vsi *vsi, struct ice_vlan *vlan) |
| { |
| u8 promisc_m = ICE_PROMISC_VLAN_TX | ICE_PROMISC_VLAN_RX; |
| int status; |
| |
| status = ice_fltr_clear_vsi_promisc(&vsi->back->hw, vsi->idx, promisc_m, |
| vlan->vid); |
| if (status && status != -ENOENT) |
| return status; |
| |
| return 0; |
| } |
| |
| /** |
| * ice_vf_has_max_vlans - check if VF already has the max allowed VLAN filters |
| * @vf: VF to check against |
| * @vsi: VF's VSI |
| * |
| * If the VF is trusted then the VF is allowed to add as many VLANs as it |
| * wants to, so return false. |
| * |
| * When the VF is untrusted compare the number of non-zero VLANs + 1 to the max |
| * allowed VLANs for an untrusted VF. Return the result of this comparison. |
| */ |
| static bool ice_vf_has_max_vlans(struct ice_vf *vf, struct ice_vsi *vsi) |
| { |
| if (ice_is_vf_trusted(vf)) |
| return false; |
| |
| #define ICE_VF_ADDED_VLAN_ZERO_FLTRS 1 |
| return ((ice_vsi_num_non_zero_vlans(vsi) + |
| ICE_VF_ADDED_VLAN_ZERO_FLTRS) >= ICE_MAX_VLAN_PER_VF); |
| } |
| |
| /** |
| * ice_vc_process_vlan_msg |
| * @vf: pointer to the VF info |
| * @msg: pointer to the msg buffer |
| * @add_v: Add VLAN if true, otherwise delete VLAN |
| * |
| * Process virtchnl op to add or remove programmed guest VLAN ID |
| */ |
| static int ice_vc_process_vlan_msg(struct ice_vf *vf, u8 *msg, bool add_v) |
| { |
| enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
| struct virtchnl_vlan_filter_list *vfl = |
| (struct virtchnl_vlan_filter_list *)msg; |
| struct ice_pf *pf = vf->pf; |
| bool vlan_promisc = false; |
| struct ice_vsi *vsi; |
| struct device *dev; |
| int status = 0; |
| int i; |
| |
| dev = ice_pf_to_dev(pf); |
| if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (!ice_vf_vlan_offload_ena(vf->driver_caps)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (!ice_vc_isvalid_vsi_id(vf, vfl->vsi_id)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| for (i = 0; i < vfl->num_elements; i++) { |
| if (vfl->vlan_id[i] >= VLAN_N_VID) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| dev_err(dev, "invalid VF VLAN id %d\n", |
| vfl->vlan_id[i]); |
| goto error_param; |
| } |
| } |
| |
| vsi = ice_get_vf_vsi(vf); |
| if (!vsi) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (add_v && ice_vf_has_max_vlans(vf, vsi)) { |
| dev_info(dev, "VF-%d is not trusted, switch the VF to trusted mode, in order to add more VLAN addresses\n", |
| vf->vf_id); |
| /* There is no need to let VF know about being not trusted, |
| * so we can just return success message here |
| */ |
| goto error_param; |
| } |
| |
| /* in DVM a VF can add/delete inner VLAN filters when |
| * VIRTCHNL_VF_OFFLOAD_VLAN is negotiated, so only reject in SVM |
| */ |
| if (ice_vf_is_port_vlan_ena(vf) && !ice_is_dvm_ena(&pf->hw)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| /* in DVM VLAN promiscuous is based on the outer VLAN, which would be |
| * the port VLAN if VIRTCHNL_VF_OFFLOAD_VLAN was negotiated, so only |
| * allow vlan_promisc = true in SVM and if no port VLAN is configured |
| */ |
| vlan_promisc = ice_is_vlan_promisc_allowed(vf) && |
| !ice_is_dvm_ena(&pf->hw) && |
| !ice_vf_is_port_vlan_ena(vf); |
| |
| if (add_v) { |
| for (i = 0; i < vfl->num_elements; i++) { |
| u16 vid = vfl->vlan_id[i]; |
| struct ice_vlan vlan; |
| |
| if (ice_vf_has_max_vlans(vf, vsi)) { |
| dev_info(dev, "VF-%d is not trusted, switch the VF to trusted mode, in order to add more VLAN addresses\n", |
| vf->vf_id); |
| /* There is no need to let VF know about being |
| * not trusted, so we can just return success |
| * message here as well. |
| */ |
| goto error_param; |
| } |
| |
| /* we add VLAN 0 by default for each VF so we can enable |
| * Tx VLAN anti-spoof without triggering MDD events so |
| * we don't need to add it again here |
| */ |
| if (!vid) |
| continue; |
| |
| vlan = ICE_VLAN(ETH_P_8021Q, vid, 0); |
| status = vsi->inner_vlan_ops.add_vlan(vsi, &vlan); |
| if (status) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| /* Enable VLAN filtering on first non-zero VLAN */ |
| if (!vlan_promisc && vid && !ice_is_dvm_ena(&pf->hw)) { |
| if (vf->spoofchk) { |
| status = vsi->inner_vlan_ops.ena_tx_filtering(vsi); |
| if (status) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| dev_err(dev, "Enable VLAN anti-spoofing on VLAN ID: %d failed error-%d\n", |
| vid, status); |
| goto error_param; |
| } |
| } |
| if (vsi->inner_vlan_ops.ena_rx_filtering(vsi)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| dev_err(dev, "Enable VLAN pruning on VLAN ID: %d failed error-%d\n", |
| vid, status); |
| goto error_param; |
| } |
| } else if (vlan_promisc) { |
| status = ice_vf_ena_vlan_promisc(vsi, &vlan); |
| if (status) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| dev_err(dev, "Enable Unicast/multicast promiscuous mode on VLAN ID:%d failed error-%d\n", |
| vid, status); |
| } |
| } |
| } |
| } else { |
| /* In case of non_trusted VF, number of VLAN elements passed |
| * to PF for removal might be greater than number of VLANs |
| * filter programmed for that VF - So, use actual number of |
| * VLANS added earlier with add VLAN opcode. In order to avoid |
| * removing VLAN that doesn't exist, which result to sending |
| * erroneous failed message back to the VF |
| */ |
| int num_vf_vlan; |
| |
| num_vf_vlan = vsi->num_vlan; |
| for (i = 0; i < vfl->num_elements && i < num_vf_vlan; i++) { |
| u16 vid = vfl->vlan_id[i]; |
| struct ice_vlan vlan; |
| |
| /* we add VLAN 0 by default for each VF so we can enable |
| * Tx VLAN anti-spoof without triggering MDD events so |
| * we don't want a VIRTCHNL request to remove it |
| */ |
| if (!vid) |
| continue; |
| |
| vlan = ICE_VLAN(ETH_P_8021Q, vid, 0); |
| status = vsi->inner_vlan_ops.del_vlan(vsi, &vlan); |
| if (status) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| /* Disable VLAN filtering when only VLAN 0 is left */ |
| if (!ice_vsi_has_non_zero_vlans(vsi)) { |
| vsi->inner_vlan_ops.dis_tx_filtering(vsi); |
| vsi->inner_vlan_ops.dis_rx_filtering(vsi); |
| } |
| |
| if (vlan_promisc) |
| ice_vf_dis_vlan_promisc(vsi, &vlan); |
| } |
| } |
| |
| error_param: |
| /* send the response to the VF */ |
| if (add_v) |
| return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ADD_VLAN, v_ret, |
| NULL, 0); |
| else |
| return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DEL_VLAN, v_ret, |
| NULL, 0); |
| } |
| |
| /** |
| * ice_vc_add_vlan_msg |
| * @vf: pointer to the VF info |
| * @msg: pointer to the msg buffer |
| * |
| * Add and program guest VLAN ID |
| */ |
| static int ice_vc_add_vlan_msg(struct ice_vf *vf, u8 *msg) |
| { |
| return ice_vc_process_vlan_msg(vf, msg, true); |
| } |
| |
| /** |
| * ice_vc_remove_vlan_msg |
| * @vf: pointer to the VF info |
| * @msg: pointer to the msg buffer |
| * |
| * remove programmed guest VLAN ID |
| */ |
| static int ice_vc_remove_vlan_msg(struct ice_vf *vf, u8 *msg) |
| { |
| return ice_vc_process_vlan_msg(vf, msg, false); |
| } |
| |
| /** |
| * ice_vsi_is_rxq_crc_strip_dis - check if Rx queue CRC strip is disabled or not |
| * @vsi: pointer to the VF VSI info |
| */ |
| static bool ice_vsi_is_rxq_crc_strip_dis(struct ice_vsi *vsi) |
| { |
| unsigned int i; |
| |
| ice_for_each_alloc_rxq(vsi, i) |
| if (vsi->rx_rings[i]->flags & ICE_RX_FLAGS_CRC_STRIP_DIS) |
| return true; |
| |
| return false; |
| } |
| |
| /** |
| * ice_vc_ena_vlan_stripping |
| * @vf: pointer to the VF info |
| * |
| * Enable VLAN header stripping for a given VF |
| */ |
| static int ice_vc_ena_vlan_stripping(struct ice_vf *vf) |
| { |
| enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
| struct ice_vsi *vsi; |
| |
| if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (!ice_vf_vlan_offload_ena(vf->driver_caps)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| vsi = ice_get_vf_vsi(vf); |
| if (!vsi) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (vsi->inner_vlan_ops.ena_stripping(vsi, ETH_P_8021Q)) |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| else |
| vf->vlan_strip_ena |= ICE_INNER_VLAN_STRIP_ENA; |
| |
| error_param: |
| return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ENABLE_VLAN_STRIPPING, |
| v_ret, NULL, 0); |
| } |
| |
| /** |
| * ice_vc_dis_vlan_stripping |
| * @vf: pointer to the VF info |
| * |
| * Disable VLAN header stripping for a given VF |
| */ |
| static int ice_vc_dis_vlan_stripping(struct ice_vf *vf) |
| { |
| enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
| struct ice_vsi *vsi; |
| |
| if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (!ice_vf_vlan_offload_ena(vf->driver_caps)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| vsi = ice_get_vf_vsi(vf); |
| if (!vsi) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto error_param; |
| } |
| |
| if (vsi->inner_vlan_ops.dis_stripping(vsi)) |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| else |
| vf->vlan_strip_ena &= ~ICE_INNER_VLAN_STRIP_ENA; |
| |
| error_param: |
| return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DISABLE_VLAN_STRIPPING, |
| v_ret, NULL, 0); |
| } |
| |
| /** |
| * ice_vc_get_rss_hena - return the RSS HENA bits allowed by the hardware |
| * @vf: pointer to the VF info |
| */ |
| static int ice_vc_get_rss_hena(struct ice_vf *vf) |
| { |
| enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
| struct virtchnl_rss_hena *vrh = NULL; |
| int len = 0, ret; |
| |
| if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto err; |
| } |
| |
| if (!test_bit(ICE_FLAG_RSS_ENA, vf->pf->flags)) { |
| dev_err(ice_pf_to_dev(vf->pf), "RSS not supported by PF\n"); |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto err; |
| } |
| |
| len = sizeof(struct virtchnl_rss_hena); |
| vrh = kzalloc(len, GFP_KERNEL); |
| if (!vrh) { |
| v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY; |
| len = 0; |
| goto err; |
| } |
| |
| vrh->hena = ICE_DEFAULT_RSS_HENA; |
| err: |
| /* send the response back to the VF */ |
| ret = ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_RSS_HENA_CAPS, v_ret, |
| (u8 *)vrh, len); |
| kfree(vrh); |
| return ret; |
| } |
| |
| /** |
| * ice_vc_set_rss_hena - set RSS HENA bits for the VF |
| * @vf: pointer to the VF info |
| * @msg: pointer to the msg buffer |
| */ |
| static int ice_vc_set_rss_hena(struct ice_vf *vf, u8 *msg) |
| { |
| struct virtchnl_rss_hena *vrh = (struct virtchnl_rss_hena *)msg; |
| enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
| struct ice_pf *pf = vf->pf; |
| struct ice_vsi *vsi; |
| struct device *dev; |
| int status; |
| |
| dev = ice_pf_to_dev(pf); |
| |
| if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto err; |
| } |
| |
| if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { |
| dev_err(dev, "RSS not supported by PF\n"); |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto err; |
| } |
| |
| vsi = ice_get_vf_vsi(vf); |
| if (!vsi) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto err; |
| } |
| |
| /* clear all previously programmed RSS configuration to allow VF drivers |
| * the ability to customize the RSS configuration and/or completely |
| * disable RSS |
| */ |
| status = ice_rem_vsi_rss_cfg(&pf->hw, vsi->idx); |
| if (status && !vrh->hena) { |
| /* only report failure to clear the current RSS configuration if |
| * that was clearly the VF's intention (i.e. vrh->hena = 0) |
| */ |
| v_ret = ice_err_to_virt_err(status); |
| goto err; |
| } else if (status) { |
| /* allow the VF to update the RSS configuration even on failure |
| * to clear the current RSS confguration in an attempt to keep |
| * RSS in a working state |
| */ |
| dev_warn(dev, "Failed to clear the RSS configuration for VF %u\n", |
| vf->vf_id); |
| } |
| |
| if (vrh->hena) { |
| status = ice_add_avf_rss_cfg(&pf->hw, vsi, vrh->hena); |
| v_ret = ice_err_to_virt_err(status); |
| } |
| |
| /* send the response to the VF */ |
| err: |
| return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_SET_RSS_HENA, v_ret, |
| NULL, 0); |
| } |
| |
| /** |
| * ice_vc_query_rxdid - query RXDID supported by DDP package |
| * @vf: pointer to VF info |
| * |
| * Called from VF to query a bitmap of supported flexible |
| * descriptor RXDIDs of a DDP package. |
| */ |
| static int ice_vc_query_rxdid(struct ice_vf *vf) |
| { |
| enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
| struct virtchnl_supported_rxdids *rxdid = NULL; |
| struct ice_hw *hw = &vf->pf->hw; |
| struct ice_pf *pf = vf->pf; |
| int len = 0; |
| int ret, i; |
| u32 regval; |
| |
| if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto err; |
| } |
| |
| if (!(vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto err; |
| } |
| |
| len = sizeof(struct virtchnl_supported_rxdids); |
| rxdid = kzalloc(len, GFP_KERNEL); |
| if (!rxdid) { |
| v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY; |
| len = 0; |
| goto err; |
| } |
| |
| /* RXDIDs supported by DDP package can be read from the register |
| * to get the supported RXDID bitmap. But the legacy 32byte RXDID |
| * is not listed in DDP package, add it in the bitmap manually. |
| * Legacy 16byte descriptor is not supported. |
| */ |
| rxdid->supported_rxdids |= BIT(ICE_RXDID_LEGACY_1); |
| |
| for (i = ICE_RXDID_FLEX_NIC; i < ICE_FLEX_DESC_RXDID_MAX_NUM; i++) { |
| regval = rd32(hw, GLFLXP_RXDID_FLAGS(i, 0)); |
| if ((regval >> GLFLXP_RXDID_FLAGS_FLEXIFLAG_4N_S) |
| & GLFLXP_RXDID_FLAGS_FLEXIFLAG_4N_M) |
| rxdid->supported_rxdids |= BIT(i); |
| } |
| |
| pf->supported_rxdids = rxdid->supported_rxdids; |
| |
| err: |
| ret = ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_SUPPORTED_RXDIDS, |
| v_ret, (u8 *)rxdid, len); |
| kfree(rxdid); |
| return ret; |
| } |
| |
| /** |
| * ice_vf_init_vlan_stripping - enable/disable VLAN stripping on initialization |
| * @vf: VF to enable/disable VLAN stripping for on initialization |
| * |
| * Set the default for VLAN stripping based on whether a port VLAN is configured |
| * and the current VLAN mode of the device. |
| */ |
| static int ice_vf_init_vlan_stripping(struct ice_vf *vf) |
| { |
| struct ice_vsi *vsi = ice_get_vf_vsi(vf); |
| |
| vf->vlan_strip_ena = 0; |
| |
| if (!vsi) |
| return -EINVAL; |
| |
| /* don't modify stripping if port VLAN is configured in SVM since the |
| * port VLAN is based on the inner/single VLAN in SVM |
| */ |
| if (ice_vf_is_port_vlan_ena(vf) && !ice_is_dvm_ena(&vsi->back->hw)) |
| return 0; |
| |
| if (ice_vf_vlan_offload_ena(vf->driver_caps)) { |
| int err; |
| |
| err = vsi->inner_vlan_ops.ena_stripping(vsi, ETH_P_8021Q); |
| if (!err) |
| vf->vlan_strip_ena |= ICE_INNER_VLAN_STRIP_ENA; |
| return err; |
| } |
| |
| return vsi->inner_vlan_ops.dis_stripping(vsi); |
| } |
| |
| static u16 ice_vc_get_max_vlan_fltrs(struct ice_vf *vf) |
| { |
| if (vf->trusted) |
| return VLAN_N_VID; |
| else |
| return ICE_MAX_VLAN_PER_VF; |
| } |
| |
| /** |
| * ice_vf_outer_vlan_not_allowed - check if outer VLAN can be used |
| * @vf: VF that being checked for |
| * |
| * When the device is in double VLAN mode, check whether or not the outer VLAN |
| * is allowed. |
| */ |
| static bool ice_vf_outer_vlan_not_allowed(struct ice_vf *vf) |
| { |
| if (ice_vf_is_port_vlan_ena(vf)) |
| return true; |
| |
| return false; |
| } |
| |
| /** |
| * ice_vc_set_dvm_caps - set VLAN capabilities when the device is in DVM |
| * @vf: VF that capabilities are being set for |
| * @caps: VLAN capabilities to populate |
| * |
| * Determine VLAN capabilities support based on whether a port VLAN is |
| * configured. If a port VLAN is configured then the VF should use the inner |
| * filtering/offload capabilities since the port VLAN is using the outer VLAN |
| * capabilies. |
| */ |
| static void |
| ice_vc_set_dvm_caps(struct ice_vf *vf, struct virtchnl_vlan_caps *caps) |
| { |
| struct virtchnl_vlan_supported_caps *supported_caps; |
| |
| if (ice_vf_outer_vlan_not_allowed(vf)) { |
| /* until support for inner VLAN filtering is added when a port |
| * VLAN is configured, only support software offloaded inner |
| * VLANs when a port VLAN is confgured in DVM |
| */ |
| supported_caps = &caps->filtering.filtering_support; |
| supported_caps->inner = VIRTCHNL_VLAN_UNSUPPORTED; |
| |
| supported_caps = &caps->offloads.stripping_support; |
| supported_caps->inner = VIRTCHNL_VLAN_ETHERTYPE_8100 | |
| VIRTCHNL_VLAN_TOGGLE | |
| VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1; |
| supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED; |
| |
| supported_caps = &caps->offloads.insertion_support; |
| supported_caps->inner = VIRTCHNL_VLAN_ETHERTYPE_8100 | |
| VIRTCHNL_VLAN_TOGGLE | |
| VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1; |
| supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED; |
| |
| caps->offloads.ethertype_init = VIRTCHNL_VLAN_ETHERTYPE_8100; |
| caps->offloads.ethertype_match = |
| VIRTCHNL_ETHERTYPE_STRIPPING_MATCHES_INSERTION; |
| } else { |
| supported_caps = &caps->filtering.filtering_support; |
| supported_caps->inner = VIRTCHNL_VLAN_UNSUPPORTED; |
| supported_caps->outer = VIRTCHNL_VLAN_ETHERTYPE_8100 | |
| VIRTCHNL_VLAN_ETHERTYPE_88A8 | |
| VIRTCHNL_VLAN_ETHERTYPE_9100 | |
| VIRTCHNL_VLAN_ETHERTYPE_AND; |
| caps->filtering.ethertype_init = VIRTCHNL_VLAN_ETHERTYPE_8100 | |
| VIRTCHNL_VLAN_ETHERTYPE_88A8 | |
| VIRTCHNL_VLAN_ETHERTYPE_9100; |
| |
| supported_caps = &caps->offloads.stripping_support; |
| supported_caps->inner = VIRTCHNL_VLAN_TOGGLE | |
| VIRTCHNL_VLAN_ETHERTYPE_8100 | |
| VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1; |
| supported_caps->outer = VIRTCHNL_VLAN_TOGGLE | |
| VIRTCHNL_VLAN_ETHERTYPE_8100 | |
| VIRTCHNL_VLAN_ETHERTYPE_88A8 | |
| VIRTCHNL_VLAN_ETHERTYPE_9100 | |
| VIRTCHNL_VLAN_ETHERTYPE_XOR | |
| VIRTCHNL_VLAN_TAG_LOCATION_L2TAG2_2; |
| |
| supported_caps = &caps->offloads.insertion_support; |
| supported_caps->inner = VIRTCHNL_VLAN_TOGGLE | |
| VIRTCHNL_VLAN_ETHERTYPE_8100 | |
| VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1; |
| supported_caps->outer = VIRTCHNL_VLAN_TOGGLE | |
| VIRTCHNL_VLAN_ETHERTYPE_8100 | |
| VIRTCHNL_VLAN_ETHERTYPE_88A8 | |
| VIRTCHNL_VLAN_ETHERTYPE_9100 | |
| VIRTCHNL_VLAN_ETHERTYPE_XOR | |
| VIRTCHNL_VLAN_TAG_LOCATION_L2TAG2; |
| |
| caps->offloads.ethertype_init = VIRTCHNL_VLAN_ETHERTYPE_8100; |
| |
| caps->offloads.ethertype_match = |
| VIRTCHNL_ETHERTYPE_STRIPPING_MATCHES_INSERTION; |
| } |
| |
| caps->filtering.max_filters = ice_vc_get_max_vlan_fltrs(vf); |
| } |
| |
| /** |
| * ice_vc_set_svm_caps - set VLAN capabilities when the device is in SVM |
| * @vf: VF that capabilities are being set for |
| * @caps: VLAN capabilities to populate |
| * |
| * Determine VLAN capabilities support based on whether a port VLAN is |
| * configured. If a port VLAN is configured then the VF does not have any VLAN |
| * filtering or offload capabilities since the port VLAN is using the inner VLAN |
| * capabilities in single VLAN mode (SVM). Otherwise allow the VF to use inner |
| * VLAN fitlering and offload capabilities. |
| */ |
| static void |
| ice_vc_set_svm_caps(struct ice_vf *vf, struct virtchnl_vlan_caps *caps) |
| { |
| struct virtchnl_vlan_supported_caps *supported_caps; |
| |
| if (ice_vf_is_port_vlan_ena(vf)) { |
| supported_caps = &caps->filtering.filtering_support; |
| supported_caps->inner = VIRTCHNL_VLAN_UNSUPPORTED; |
| supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED; |
| |
| supported_caps = &caps->offloads.stripping_support; |
| supported_caps->inner = VIRTCHNL_VLAN_UNSUPPORTED; |
| supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED; |
| |
| supported_caps = &caps->offloads.insertion_support; |
| supported_caps->inner = VIRTCHNL_VLAN_UNSUPPORTED; |
| supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED; |
| |
| caps->offloads.ethertype_init = VIRTCHNL_VLAN_UNSUPPORTED; |
| caps->offloads.ethertype_match = VIRTCHNL_VLAN_UNSUPPORTED; |
| caps->filtering.max_filters = 0; |
| } else { |
| supported_caps = &caps->filtering.filtering_support; |
| supported_caps->inner = VIRTCHNL_VLAN_ETHERTYPE_8100; |
| supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED; |
| caps->filtering.ethertype_init = VIRTCHNL_VLAN_ETHERTYPE_8100; |
| |
| supported_caps = &caps->offloads.stripping_support; |
| supported_caps->inner = VIRTCHNL_VLAN_ETHERTYPE_8100 | |
| VIRTCHNL_VLAN_TOGGLE | |
| VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1; |
| supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED; |
| |
| supported_caps = &caps->offloads.insertion_support; |
| supported_caps->inner = VIRTCHNL_VLAN_ETHERTYPE_8100 | |
| VIRTCHNL_VLAN_TOGGLE | |
| VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1; |
| supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED; |
| |
| caps->offloads.ethertype_init = VIRTCHNL_VLAN_ETHERTYPE_8100; |
| caps->offloads.ethertype_match = |
| VIRTCHNL_ETHERTYPE_STRIPPING_MATCHES_INSERTION; |
| caps->filtering.max_filters = ice_vc_get_max_vlan_fltrs(vf); |
| } |
| } |
| |
| /** |
| * ice_vc_get_offload_vlan_v2_caps - determine VF's VLAN capabilities |
| * @vf: VF to determine VLAN capabilities for |
| * |
| * This will only be called if the VF and PF successfully negotiated |
| * VIRTCHNL_VF_OFFLOAD_VLAN_V2. |
| * |
| * Set VLAN capabilities based on the current VLAN mode and whether a port VLAN |
| * is configured or not. |
| */ |
| static int ice_vc_get_offload_vlan_v2_caps(struct ice_vf *vf) |
| { |
| enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
| struct virtchnl_vlan_caps *caps = NULL; |
| int err, len = 0; |
| |
| if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| caps = kzalloc(sizeof(*caps), GFP_KERNEL); |
| if (!caps) { |
| v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY; |
| goto out; |
| } |
| len = sizeof(*caps); |
| |
| if (ice_is_dvm_ena(&vf->pf->hw)) |
| ice_vc_set_dvm_caps(vf, caps); |
| else |
| ice_vc_set_svm_caps(vf, caps); |
| |
| /* store negotiated caps to prevent invalid VF messages */ |
| memcpy(&vf->vlan_v2_caps, caps, sizeof(*caps)); |
| |
| out: |
| err = ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_OFFLOAD_VLAN_V2_CAPS, |
| v_ret, (u8 *)caps, len); |
| kfree(caps); |
| return err; |
| } |
| |
| /** |
| * ice_vc_validate_vlan_tpid - validate VLAN TPID |
| * @filtering_caps: negotiated/supported VLAN filtering capabilities |
| * @tpid: VLAN TPID used for validation |
| * |
| * Convert the VLAN TPID to a VIRTCHNL_VLAN_ETHERTYPE_* and then compare against |
| * the negotiated/supported filtering caps to see if the VLAN TPID is valid. |
| */ |
| static bool ice_vc_validate_vlan_tpid(u16 filtering_caps, u16 tpid) |
| { |
| enum virtchnl_vlan_support vlan_ethertype = VIRTCHNL_VLAN_UNSUPPORTED; |
| |
| switch (tpid) { |
| case ETH_P_8021Q: |
| vlan_ethertype = VIRTCHNL_VLAN_ETHERTYPE_8100; |
| break; |
| case ETH_P_8021AD: |
| vlan_ethertype = VIRTCHNL_VLAN_ETHERTYPE_88A8; |
| break; |
| case ETH_P_QINQ1: |
| vlan_ethertype = VIRTCHNL_VLAN_ETHERTYPE_9100; |
| break; |
| } |
| |
| if (!(filtering_caps & vlan_ethertype)) |
| return false; |
| |
| return true; |
| } |
| |
| /** |
| * ice_vc_is_valid_vlan - validate the virtchnl_vlan |
| * @vc_vlan: virtchnl_vlan to validate |
| * |
| * If the VLAN TCI and VLAN TPID are 0, then this filter is invalid, so return |
| * false. Otherwise return true. |
| */ |
| static bool ice_vc_is_valid_vlan(struct virtchnl_vlan *vc_vlan) |
| { |
| if (!vc_vlan->tci || !vc_vlan->tpid) |
| return false; |
| |
| return true; |
| } |
| |
| /** |
| * ice_vc_validate_vlan_filter_list - validate the filter list from the VF |
| * @vfc: negotiated/supported VLAN filtering capabilities |
| * @vfl: VLAN filter list from VF to validate |
| * |
| * Validate all of the filters in the VLAN filter list from the VF. If any of |
| * the checks fail then return false. Otherwise return true. |
| */ |
| static bool |
| ice_vc_validate_vlan_filter_list(struct virtchnl_vlan_filtering_caps *vfc, |
| struct virtchnl_vlan_filter_list_v2 *vfl) |
| { |
| u16 i; |
| |
| if (!vfl->num_elements) |
| return false; |
| |
| for (i = 0; i < vfl->num_elements; i++) { |
| struct virtchnl_vlan_supported_caps *filtering_support = |
| &vfc->filtering_support; |
| struct virtchnl_vlan_filter *vlan_fltr = &vfl->filters[i]; |
| struct virtchnl_vlan *outer = &vlan_fltr->outer; |
| struct virtchnl_vlan *inner = &vlan_fltr->inner; |
| |
| if ((ice_vc_is_valid_vlan(outer) && |
| filtering_support->outer == VIRTCHNL_VLAN_UNSUPPORTED) || |
| (ice_vc_is_valid_vlan(inner) && |
| filtering_support->inner == VIRTCHNL_VLAN_UNSUPPORTED)) |
| return false; |
| |
| if ((outer->tci_mask && |
| !(filtering_support->outer & VIRTCHNL_VLAN_FILTER_MASK)) || |
| (inner->tci_mask && |
| !(filtering_support->inner & VIRTCHNL_VLAN_FILTER_MASK))) |
| return false; |
| |
| if (((outer->tci & VLAN_PRIO_MASK) && |
| !(filtering_support->outer & VIRTCHNL_VLAN_PRIO)) || |
| ((inner->tci & VLAN_PRIO_MASK) && |
| !(filtering_support->inner & VIRTCHNL_VLAN_PRIO))) |
| return false; |
| |
| if ((ice_vc_is_valid_vlan(outer) && |
| !ice_vc_validate_vlan_tpid(filtering_support->outer, |
| outer->tpid)) || |
| (ice_vc_is_valid_vlan(inner) && |
| !ice_vc_validate_vlan_tpid(filtering_support->inner, |
| inner->tpid))) |
| return false; |
| } |
| |
| return true; |
| } |
| |
| /** |
| * ice_vc_to_vlan - transform from struct virtchnl_vlan to struct ice_vlan |
| * @vc_vlan: struct virtchnl_vlan to transform |
| */ |
| static struct ice_vlan ice_vc_to_vlan(struct virtchnl_vlan *vc_vlan) |
| { |
| struct ice_vlan vlan = { 0 }; |
| |
| vlan.prio = FIELD_GET(VLAN_PRIO_MASK, vc_vlan->tci); |
| vlan.vid = vc_vlan->tci & VLAN_VID_MASK; |
| vlan.tpid = vc_vlan->tpid; |
| |
| return vlan; |
| } |
| |
| /** |
| * ice_vc_vlan_action - action to perform on the virthcnl_vlan |
| * @vsi: VF's VSI used to perform the action |
| * @vlan_action: function to perform the action with (i.e. add/del) |
| * @vlan: VLAN filter to perform the action with |
| */ |
| static int |
| ice_vc_vlan_action(struct ice_vsi *vsi, |
| int (*vlan_action)(struct ice_vsi *, struct ice_vlan *), |
| struct ice_vlan *vlan) |
| { |
| int err; |
| |
| err = vlan_action(vsi, vlan); |
| if (err) |
| return err; |
| |
| return 0; |
| } |
| |
| /** |
| * ice_vc_del_vlans - delete VLAN(s) from the virtchnl filter list |
| * @vf: VF used to delete the VLAN(s) |
| * @vsi: VF's VSI used to delete the VLAN(s) |
| * @vfl: virthchnl filter list used to delete the filters |
| */ |
| static int |
| ice_vc_del_vlans(struct ice_vf *vf, struct ice_vsi *vsi, |
| struct virtchnl_vlan_filter_list_v2 *vfl) |
| { |
| bool vlan_promisc = ice_is_vlan_promisc_allowed(vf); |
| int err; |
| u16 i; |
| |
| for (i = 0; i < vfl->num_elements; i++) { |
| struct virtchnl_vlan_filter *vlan_fltr = &vfl->filters[i]; |
| struct virtchnl_vlan *vc_vlan; |
| |
| vc_vlan = &vlan_fltr->outer; |
| if (ice_vc_is_valid_vlan(vc_vlan)) { |
| struct ice_vlan vlan = ice_vc_to_vlan(vc_vlan); |
| |
| err = ice_vc_vlan_action(vsi, |
| vsi->outer_vlan_ops.del_vlan, |
| &vlan); |
| if (err) |
| return err; |
| |
| if (vlan_promisc) |
| ice_vf_dis_vlan_promisc(vsi, &vlan); |
| |
| /* Disable VLAN filtering when only VLAN 0 is left */ |
| if (!ice_vsi_has_non_zero_vlans(vsi) && ice_is_dvm_ena(&vsi->back->hw)) { |
| err = vsi->outer_vlan_ops.dis_tx_filtering(vsi); |
| if (err) |
| return err; |
| } |
| } |
| |
| vc_vlan = &vlan_fltr->inner; |
| if (ice_vc_is_valid_vlan(vc_vlan)) { |
| struct ice_vlan vlan = ice_vc_to_vlan(vc_vlan); |
| |
| err = ice_vc_vlan_action(vsi, |
| vsi->inner_vlan_ops.del_vlan, |
| &vlan); |
| if (err) |
| return err; |
| |
| /* no support for VLAN promiscuous on inner VLAN unless |
| * we are in Single VLAN Mode (SVM) |
| */ |
| if (!ice_is_dvm_ena(&vsi->back->hw)) { |
| if (vlan_promisc) |
| ice_vf_dis_vlan_promisc(vsi, &vlan); |
| |
| /* Disable VLAN filtering when only VLAN 0 is left */ |
| if (!ice_vsi_has_non_zero_vlans(vsi)) { |
| err = vsi->inner_vlan_ops.dis_tx_filtering(vsi); |
| if (err) |
| return err; |
| } |
| } |
| } |
| } |
| |
| return 0; |
| } |
| |
| /** |
| * ice_vc_remove_vlan_v2_msg - virtchnl handler for VIRTCHNL_OP_DEL_VLAN_V2 |
| * @vf: VF the message was received from |
| * @msg: message received from the VF |
| */ |
| static int ice_vc_remove_vlan_v2_msg(struct ice_vf *vf, u8 *msg) |
| { |
| struct virtchnl_vlan_filter_list_v2 *vfl = |
| (struct virtchnl_vlan_filter_list_v2 *)msg; |
| enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
| struct ice_vsi *vsi; |
| |
| if (!ice_vc_validate_vlan_filter_list(&vf->vlan_v2_caps.filtering, |
| vfl)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| if (!ice_vc_isvalid_vsi_id(vf, vfl->vport_id)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| vsi = ice_get_vf_vsi(vf); |
| if (!vsi) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| if (ice_vc_del_vlans(vf, vsi, vfl)) |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| |
| out: |
| return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DEL_VLAN_V2, v_ret, NULL, |
| 0); |
| } |
| |
| /** |
| * ice_vc_add_vlans - add VLAN(s) from the virtchnl filter list |
| * @vf: VF used to add the VLAN(s) |
| * @vsi: VF's VSI used to add the VLAN(s) |
| * @vfl: virthchnl filter list used to add the filters |
| */ |
| static int |
| ice_vc_add_vlans(struct ice_vf *vf, struct ice_vsi *vsi, |
| struct virtchnl_vlan_filter_list_v2 *vfl) |
| { |
| bool vlan_promisc = ice_is_vlan_promisc_allowed(vf); |
| int err; |
| u16 i; |
| |
| for (i = 0; i < vfl->num_elements; i++) { |
| struct virtchnl_vlan_filter *vlan_fltr = &vfl->filters[i]; |
| struct virtchnl_vlan *vc_vlan; |
| |
| vc_vlan = &vlan_fltr->outer; |
| if (ice_vc_is_valid_vlan(vc_vlan)) { |
| struct ice_vlan vlan = ice_vc_to_vlan(vc_vlan); |
| |
| err = ice_vc_vlan_action(vsi, |
| vsi->outer_vlan_ops.add_vlan, |
| &vlan); |
| if (err) |
| return err; |
| |
| if (vlan_promisc) { |
| err = ice_vf_ena_vlan_promisc(vsi, &vlan); |
| if (err) |
| return err; |
| } |
| |
| /* Enable VLAN filtering on first non-zero VLAN */ |
| if (vf->spoofchk && vlan.vid && ice_is_dvm_ena(&vsi->back->hw)) { |
| err = vsi->outer_vlan_ops.ena_tx_filtering(vsi); |
| if (err) |
| return err; |
| } |
| } |
| |
| vc_vlan = &vlan_fltr->inner; |
| if (ice_vc_is_valid_vlan(vc_vlan)) { |
| struct ice_vlan vlan = ice_vc_to_vlan(vc_vlan); |
| |
| err = ice_vc_vlan_action(vsi, |
| vsi->inner_vlan_ops.add_vlan, |
| &vlan); |
| if (err) |
| return err; |
| |
| /* no support for VLAN promiscuous on inner VLAN unless |
| * we are in Single VLAN Mode (SVM) |
| */ |
| if (!ice_is_dvm_ena(&vsi->back->hw)) { |
| if (vlan_promisc) { |
| err = ice_vf_ena_vlan_promisc(vsi, &vlan); |
| if (err) |
| return err; |
| } |
| |
| /* Enable VLAN filtering on first non-zero VLAN */ |
| if (vf->spoofchk && vlan.vid) { |
| err = vsi->inner_vlan_ops.ena_tx_filtering(vsi); |
| if (err) |
| return err; |
| } |
| } |
| } |
| } |
| |
| return 0; |
| } |
| |
| /** |
| * ice_vc_validate_add_vlan_filter_list - validate add filter list from the VF |
| * @vsi: VF VSI used to get number of existing VLAN filters |
| * @vfc: negotiated/supported VLAN filtering capabilities |
| * @vfl: VLAN filter list from VF to validate |
| * |
| * Validate all of the filters in the VLAN filter list from the VF during the |
| * VIRTCHNL_OP_ADD_VLAN_V2 opcode. If any of the checks fail then return false. |
| * Otherwise return true. |
| */ |
| static bool |
| ice_vc_validate_add_vlan_filter_list(struct ice_vsi *vsi, |
| struct virtchnl_vlan_filtering_caps *vfc, |
| struct virtchnl_vlan_filter_list_v2 *vfl) |
| { |
| u16 num_requested_filters = ice_vsi_num_non_zero_vlans(vsi) + |
| vfl->num_elements; |
| |
| if (num_requested_filters > vfc->max_filters) |
| return false; |
| |
| return ice_vc_validate_vlan_filter_list(vfc, vfl); |
| } |
| |
| /** |
| * ice_vc_add_vlan_v2_msg - virtchnl handler for VIRTCHNL_OP_ADD_VLAN_V2 |
| * @vf: VF the message was received from |
| * @msg: message received from the VF |
| */ |
| static int ice_vc_add_vlan_v2_msg(struct ice_vf *vf, u8 *msg) |
| { |
| enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
| struct virtchnl_vlan_filter_list_v2 *vfl = |
| (struct virtchnl_vlan_filter_list_v2 *)msg; |
| struct ice_vsi *vsi; |
| |
| if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| if (!ice_vc_isvalid_vsi_id(vf, vfl->vport_id)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| vsi = ice_get_vf_vsi(vf); |
| if (!vsi) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| if (!ice_vc_validate_add_vlan_filter_list(vsi, |
| &vf->vlan_v2_caps.filtering, |
| vfl)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| if (ice_vc_add_vlans(vf, vsi, vfl)) |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| |
| out: |
| return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ADD_VLAN_V2, v_ret, NULL, |
| 0); |
| } |
| |
| /** |
| * ice_vc_valid_vlan_setting - validate VLAN setting |
| * @negotiated_settings: negotiated VLAN settings during VF init |
| * @ethertype_setting: ethertype(s) requested for the VLAN setting |
| */ |
| static bool |
| ice_vc_valid_vlan_setting(u32 negotiated_settings, u32 ethertype_setting) |
| { |
| if (ethertype_setting && !(negotiated_settings & ethertype_setting)) |
| return false; |
| |
| /* only allow a single VIRTCHNL_VLAN_ETHERTYPE if |
| * VIRTHCNL_VLAN_ETHERTYPE_AND is not negotiated/supported |
| */ |
| if (!(negotiated_settings & VIRTCHNL_VLAN_ETHERTYPE_AND) && |
| hweight32(ethertype_setting) > 1) |
| return false; |
| |
| /* ability to modify the VLAN setting was not negotiated */ |
| if (!(negotiated_settings & VIRTCHNL_VLAN_TOGGLE)) |
| return false; |
| |
| return true; |
| } |
| |
| /** |
| * ice_vc_valid_vlan_setting_msg - validate the VLAN setting message |
| * @caps: negotiated VLAN settings during VF init |
| * @msg: message to validate |
| * |
| * Used to validate any VLAN virtchnl message sent as a |
| * virtchnl_vlan_setting structure. Validates the message against the |
| * negotiated/supported caps during VF driver init. |
| */ |
| static bool |
| ice_vc_valid_vlan_setting_msg(struct virtchnl_vlan_supported_caps *caps, |
| struct virtchnl_vlan_setting *msg) |
| { |
| if ((!msg->outer_ethertype_setting && |
| !msg->inner_ethertype_setting) || |
| (!caps->outer && !caps->inner)) |
| return false; |
| |
| if (msg->outer_ethertype_setting && |
| !ice_vc_valid_vlan_setting(caps->outer, |
| msg->outer_ethertype_setting)) |
| return false; |
| |
| if (msg->inner_ethertype_setting && |
| !ice_vc_valid_vlan_setting(caps->inner, |
| msg->inner_ethertype_setting)) |
| return false; |
| |
| return true; |
| } |
| |
| /** |
| * ice_vc_get_tpid - transform from VIRTCHNL_VLAN_ETHERTYPE_* to VLAN TPID |
| * @ethertype_setting: VIRTCHNL_VLAN_ETHERTYPE_* used to get VLAN TPID |
| * @tpid: VLAN TPID to populate |
| */ |
| static int ice_vc_get_tpid(u32 ethertype_setting, u16 *tpid) |
| { |
| switch (ethertype_setting) { |
| case VIRTCHNL_VLAN_ETHERTYPE_8100: |
| *tpid = ETH_P_8021Q; |
| break; |
| case VIRTCHNL_VLAN_ETHERTYPE_88A8: |
| *tpid = ETH_P_8021AD; |
| break; |
| case VIRTCHNL_VLAN_ETHERTYPE_9100: |
| *tpid = ETH_P_QINQ1; |
| break; |
| default: |
| *tpid = 0; |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| /** |
| * ice_vc_ena_vlan_offload - enable VLAN offload based on the ethertype_setting |
| * @vsi: VF's VSI used to enable the VLAN offload |
| * @ena_offload: function used to enable the VLAN offload |
| * @ethertype_setting: VIRTCHNL_VLAN_ETHERTYPE_* to enable offloads for |
| */ |
| static int |
| ice_vc_ena_vlan_offload(struct ice_vsi *vsi, |
| int (*ena_offload)(struct ice_vsi *vsi, u16 tpid), |
| u32 ethertype_setting) |
| { |
| u16 tpid; |
| int err; |
| |
| err = ice_vc_get_tpid(ethertype_setting, &tpid); |
| if (err) |
| return err; |
| |
| err = ena_offload(vsi, tpid); |
| if (err) |
| return err; |
| |
| return 0; |
| } |
| |
| #define ICE_L2TSEL_QRX_CONTEXT_REG_IDX 3 |
| #define ICE_L2TSEL_BIT_OFFSET 23 |
| enum ice_l2tsel { |
| ICE_L2TSEL_EXTRACT_FIRST_TAG_L2TAG2_2ND, |
| ICE_L2TSEL_EXTRACT_FIRST_TAG_L2TAG1, |
| }; |
| |
| /** |
| * ice_vsi_update_l2tsel - update l2tsel field for all Rx rings on this VSI |
| * @vsi: VSI used to update l2tsel on |
| * @l2tsel: l2tsel setting requested |
| * |
| * Use the l2tsel setting to update all of the Rx queue context bits for l2tsel. |
| * This will modify which descriptor field the first offloaded VLAN will be |
| * stripped into. |
| */ |
| static void ice_vsi_update_l2tsel(struct ice_vsi *vsi, enum ice_l2tsel l2tsel) |
| { |
| struct ice_hw *hw = &vsi->back->hw; |
| u32 l2tsel_bit; |
| int i; |
| |
| if (l2tsel == ICE_L2TSEL_EXTRACT_FIRST_TAG_L2TAG2_2ND) |
| l2tsel_bit = 0; |
| else |
| l2tsel_bit = BIT(ICE_L2TSEL_BIT_OFFSET); |
| |
| for (i = 0; i < vsi->alloc_rxq; i++) { |
| u16 pfq = vsi->rxq_map[i]; |
| u32 qrx_context_offset; |
| u32 regval; |
| |
| qrx_context_offset = |
| QRX_CONTEXT(ICE_L2TSEL_QRX_CONTEXT_REG_IDX, pfq); |
| |
| regval = rd32(hw, qrx_context_offset); |
| regval &= ~BIT(ICE_L2TSEL_BIT_OFFSET); |
| regval |= l2tsel_bit; |
| wr32(hw, qrx_context_offset, regval); |
| } |
| } |
| |
| /** |
| * ice_vc_ena_vlan_stripping_v2_msg |
| * @vf: VF the message was received from |
| * @msg: message received from the VF |
| * |
| * virthcnl handler for VIRTCHNL_OP_ENABLE_VLAN_STRIPPING_V2 |
| */ |
| static int ice_vc_ena_vlan_stripping_v2_msg(struct ice_vf *vf, u8 *msg) |
| { |
| enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
| struct virtchnl_vlan_supported_caps *stripping_support; |
| struct virtchnl_vlan_setting *strip_msg = |
| (struct virtchnl_vlan_setting *)msg; |
| u32 ethertype_setting; |
| struct ice_vsi *vsi; |
| |
| if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| if (!ice_vc_isvalid_vsi_id(vf, strip_msg->vport_id)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| vsi = ice_get_vf_vsi(vf); |
| if (!vsi) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| stripping_support = &vf->vlan_v2_caps.offloads.stripping_support; |
| if (!ice_vc_valid_vlan_setting_msg(stripping_support, strip_msg)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| if (ice_vsi_is_rxq_crc_strip_dis(vsi)) { |
| v_ret = VIRTCHNL_STATUS_ERR_NOT_SUPPORTED; |
| goto out; |
| } |
| |
| ethertype_setting = strip_msg->outer_ethertype_setting; |
| if (ethertype_setting) { |
| if (ice_vc_ena_vlan_offload(vsi, |
| vsi->outer_vlan_ops.ena_stripping, |
| ethertype_setting)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } else { |
| enum ice_l2tsel l2tsel = |
| ICE_L2TSEL_EXTRACT_FIRST_TAG_L2TAG2_2ND; |
| |
| /* PF tells the VF that the outer VLAN tag is always |
| * extracted to VIRTCHNL_VLAN_TAG_LOCATION_L2TAG2_2 and |
| * inner is always extracted to |
| * VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1. This is needed to |
| * support outer stripping so the first tag always ends |
| * up in L2TAG2_2ND and the second/inner tag, if |
| * enabled, is extracted in L2TAG1. |
| */ |
| ice_vsi_update_l2tsel(vsi, l2tsel); |
| |
| vf->vlan_strip_ena |= ICE_OUTER_VLAN_STRIP_ENA; |
| } |
| } |
| |
| ethertype_setting = strip_msg->inner_ethertype_setting; |
| if (ethertype_setting && |
| ice_vc_ena_vlan_offload(vsi, vsi->inner_vlan_ops.ena_stripping, |
| ethertype_setting)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| if (ethertype_setting) |
| vf->vlan_strip_ena |= ICE_INNER_VLAN_STRIP_ENA; |
| |
| out: |
| return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ENABLE_VLAN_STRIPPING_V2, |
| v_ret, NULL, 0); |
| } |
| |
| /** |
| * ice_vc_dis_vlan_stripping_v2_msg |
| * @vf: VF the message was received from |
| * @msg: message received from the VF |
| * |
| * virthcnl handler for VIRTCHNL_OP_DISABLE_VLAN_STRIPPING_V2 |
| */ |
| static int ice_vc_dis_vlan_stripping_v2_msg(struct ice_vf *vf, u8 *msg) |
| { |
| enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
| struct virtchnl_vlan_supported_caps *stripping_support; |
| struct virtchnl_vlan_setting *strip_msg = |
| (struct virtchnl_vlan_setting *)msg; |
| u32 ethertype_setting; |
| struct ice_vsi *vsi; |
| |
| if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| if (!ice_vc_isvalid_vsi_id(vf, strip_msg->vport_id)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| vsi = ice_get_vf_vsi(vf); |
| if (!vsi) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| stripping_support = &vf->vlan_v2_caps.offloads.stripping_support; |
| if (!ice_vc_valid_vlan_setting_msg(stripping_support, strip_msg)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| ethertype_setting = strip_msg->outer_ethertype_setting; |
| if (ethertype_setting) { |
| if (vsi->outer_vlan_ops.dis_stripping(vsi)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } else { |
| enum ice_l2tsel l2tsel = |
| ICE_L2TSEL_EXTRACT_FIRST_TAG_L2TAG1; |
| |
| /* PF tells the VF that the outer VLAN tag is always |
| * extracted to VIRTCHNL_VLAN_TAG_LOCATION_L2TAG2_2 and |
| * inner is always extracted to |
| * VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1. This is needed to |
| * support inner stripping while outer stripping is |
| * disabled so that the first and only tag is extracted |
| * in L2TAG1. |
| */ |
| ice_vsi_update_l2tsel(vsi, l2tsel); |
| |
| vf->vlan_strip_ena &= ~ICE_OUTER_VLAN_STRIP_ENA; |
| } |
| } |
| |
| ethertype_setting = strip_msg->inner_ethertype_setting; |
| if (ethertype_setting && vsi->inner_vlan_ops.dis_stripping(vsi)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| if (ethertype_setting) |
| vf->vlan_strip_ena &= ~ICE_INNER_VLAN_STRIP_ENA; |
| |
| out: |
| return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DISABLE_VLAN_STRIPPING_V2, |
| v_ret, NULL, 0); |
| } |
| |
| /** |
| * ice_vc_ena_vlan_insertion_v2_msg |
| * @vf: VF the message was received from |
| * @msg: message received from the VF |
| * |
| * virthcnl handler for VIRTCHNL_OP_ENABLE_VLAN_INSERTION_V2 |
| */ |
| static int ice_vc_ena_vlan_insertion_v2_msg(struct ice_vf *vf, u8 *msg) |
| { |
| enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
| struct virtchnl_vlan_supported_caps *insertion_support; |
| struct virtchnl_vlan_setting *insertion_msg = |
| (struct virtchnl_vlan_setting *)msg; |
| u32 ethertype_setting; |
| struct ice_vsi *vsi; |
| |
| if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| if (!ice_vc_isvalid_vsi_id(vf, insertion_msg->vport_id)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| vsi = ice_get_vf_vsi(vf); |
| if (!vsi) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| insertion_support = &vf->vlan_v2_caps.offloads.insertion_support; |
| if (!ice_vc_valid_vlan_setting_msg(insertion_support, insertion_msg)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| ethertype_setting = insertion_msg->outer_ethertype_setting; |
| if (ethertype_setting && |
| ice_vc_ena_vlan_offload(vsi, vsi->outer_vlan_ops.ena_insertion, |
| ethertype_setting)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| ethertype_setting = insertion_msg->inner_ethertype_setting; |
| if (ethertype_setting && |
| ice_vc_ena_vlan_offload(vsi, vsi->inner_vlan_ops.ena_insertion, |
| ethertype_setting)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| out: |
| return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ENABLE_VLAN_INSERTION_V2, |
| v_ret, NULL, 0); |
| } |
| |
| /** |
| * ice_vc_dis_vlan_insertion_v2_msg |
| * @vf: VF the message was received from |
| * @msg: message received from the VF |
| * |
| * virthcnl handler for VIRTCHNL_OP_DISABLE_VLAN_INSERTION_V2 |
| */ |
| static int ice_vc_dis_vlan_insertion_v2_msg(struct ice_vf *vf, u8 *msg) |
| { |
| enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
| struct virtchnl_vlan_supported_caps *insertion_support; |
| struct virtchnl_vlan_setting *insertion_msg = |
| (struct virtchnl_vlan_setting *)msg; |
| u32 ethertype_setting; |
| struct ice_vsi *vsi; |
| |
| if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| if (!ice_vc_isvalid_vsi_id(vf, insertion_msg->vport_id)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| vsi = ice_get_vf_vsi(vf); |
| if (!vsi) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| insertion_support = &vf->vlan_v2_caps.offloads.insertion_support; |
| if (!ice_vc_valid_vlan_setting_msg(insertion_support, insertion_msg)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| ethertype_setting = insertion_msg->outer_ethertype_setting; |
| if (ethertype_setting && vsi->outer_vlan_ops.dis_insertion(vsi)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| ethertype_setting = insertion_msg->inner_ethertype_setting; |
| if (ethertype_setting && vsi->inner_vlan_ops.dis_insertion(vsi)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto out; |
| } |
| |
| out: |
| return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DISABLE_VLAN_INSERTION_V2, |
| v_ret, NULL, 0); |
| } |
| |
| static const struct ice_virtchnl_ops ice_virtchnl_dflt_ops = { |
| .get_ver_msg = ice_vc_get_ver_msg, |
| .get_vf_res_msg = ice_vc_get_vf_res_msg, |
| .reset_vf = ice_vc_reset_vf_msg, |
| .add_mac_addr_msg = ice_vc_add_mac_addr_msg, |
| .del_mac_addr_msg = ice_vc_del_mac_addr_msg, |
| .cfg_qs_msg = ice_vc_cfg_qs_msg, |
| .ena_qs_msg = ice_vc_ena_qs_msg, |
| .dis_qs_msg = ice_vc_dis_qs_msg, |
| .request_qs_msg = ice_vc_request_qs_msg, |
| .cfg_irq_map_msg = ice_vc_cfg_irq_map_msg, |
| .config_rss_key = ice_vc_config_rss_key, |
| .config_rss_lut = ice_vc_config_rss_lut, |
| .config_rss_hfunc = ice_vc_config_rss_hfunc, |
| .get_stats_msg = ice_vc_get_stats_msg, |
| .cfg_promiscuous_mode_msg = ice_vc_cfg_promiscuous_mode_msg, |
| .add_vlan_msg = ice_vc_add_vlan_msg, |
| .remove_vlan_msg = ice_vc_remove_vlan_msg, |
| .query_rxdid = ice_vc_query_rxdid, |
| .get_rss_hena = ice_vc_get_rss_hena, |
| .set_rss_hena_msg = ice_vc_set_rss_hena, |
| .ena_vlan_stripping = ice_vc_ena_vlan_stripping, |
| .dis_vlan_stripping = ice_vc_dis_vlan_stripping, |
| .handle_rss_cfg_msg = ice_vc_handle_rss_cfg, |
| .add_fdir_fltr_msg = ice_vc_add_fdir_fltr, |
| .del_fdir_fltr_msg = ice_vc_del_fdir_fltr, |
| .get_offload_vlan_v2_caps = ice_vc_get_offload_vlan_v2_caps, |
| .add_vlan_v2_msg = ice_vc_add_vlan_v2_msg, |
| .remove_vlan_v2_msg = ice_vc_remove_vlan_v2_msg, |
| .ena_vlan_stripping_v2_msg = ice_vc_ena_vlan_stripping_v2_msg, |
| .dis_vlan_stripping_v2_msg = ice_vc_dis_vlan_stripping_v2_msg, |
| .ena_vlan_insertion_v2_msg = ice_vc_ena_vlan_insertion_v2_msg, |
| .dis_vlan_insertion_v2_msg = ice_vc_dis_vlan_insertion_v2_msg, |
| }; |
| |
| /** |
| * ice_virtchnl_set_dflt_ops - Switch to default virtchnl ops |
| * @vf: the VF to switch ops |
| */ |
| void ice_virtchnl_set_dflt_ops(struct ice_vf *vf) |
| { |
| vf->virtchnl_ops = &ice_virtchnl_dflt_ops; |
| } |
| |
| /** |
| * ice_vc_repr_add_mac |
| * @vf: pointer to VF |
| * @msg: virtchannel message |
| * |
| * When port representors are created, we do not add MAC rule |
| * to firmware, we store it so that PF could report same |
| * MAC as VF. |
| */ |
| static int ice_vc_repr_add_mac(struct ice_vf *vf, u8 *msg) |
| { |
| enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
| struct virtchnl_ether_addr_list *al = |
| (struct virtchnl_ether_addr_list *)msg; |
| struct ice_vsi *vsi; |
| struct ice_pf *pf; |
| int i; |
| |
| if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states) || |
| !ice_vc_isvalid_vsi_id(vf, al->vsi_id)) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto handle_mac_exit; |
| } |
| |
| pf = vf->pf; |
| |
| vsi = ice_get_vf_vsi(vf); |
| if (!vsi) { |
| v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
| goto handle_mac_exit; |
| } |
| |
| for (i = 0; i < al->num_elements; i++) { |
| u8 *mac_addr = al->list[i].addr; |
| |
| if (!is_unicast_ether_addr(mac_addr) || |
| ether_addr_equal(mac_addr, vf->hw_lan_addr)) |
| continue; |
| |
| if (vf->pf_set_mac) { |
| dev_err(ice_pf_to_dev(pf), "VF attempting to override administratively set MAC address\n"); |
| v_ret = VIRTCHNL_STATUS_ERR_NOT_SUPPORTED; |
| goto handle_mac_exit; |
| } |
| |
| ice_vfhw_mac_add(vf, &al->list[i]); |
| vf->num_mac++; |
| break; |
| } |
| |
| handle_mac_exit: |
| return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ADD_ETH_ADDR, |
| v_ret, NULL, 0); |
| } |
| |
| /** |
| * ice_vc_repr_del_mac - response with success for deleting MAC |
| * @vf: pointer to VF |
| * @msg: virtchannel message |
| * |
| * Respond with success to not break normal VF flow. |
| * For legacy VF driver try to update cached MAC address. |
| */ |
| static int |
| ice_vc_repr_del_mac(struct ice_vf __always_unused *vf, u8 __always_unused *msg) |
| { |
| struct virtchnl_ether_addr_list *al = |
| (struct virtchnl_ether_addr_list *)msg; |
| |
| ice_update_legacy_cached_mac(vf, &al->list[0]); |
| |
| return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DEL_ETH_ADDR, |
| VIRTCHNL_STATUS_SUCCESS, NULL, 0); |
| } |
| |
| static int |
| ice_vc_repr_cfg_promiscuous_mode(struct ice_vf *vf, u8 __always_unused *msg) |
| { |
| dev_dbg(ice_pf_to_dev(vf->pf), |
| "Can't config promiscuous mode in switchdev mode for VF %d\n", |
| vf->vf_id); |
| return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, |
| VIRTCHNL_STATUS_ERR_NOT_SUPPORTED, |
| NULL, 0); |
| } |
| |
| static const struct ice_virtchnl_ops ice_virtchnl_repr_ops = { |
| .get_ver_msg = ice_vc_get_ver_msg, |
| .get_vf_res_msg = ice_vc_get_vf_res_msg, |
| .reset_vf = ice_vc_reset_vf_msg, |
| .add_mac_addr_msg = ice_vc_repr_add_mac, |
| .del_mac_addr_msg = ice_vc_repr_del_mac, |
| .cfg_qs_msg = ice_vc_cfg_qs_msg, |
| .ena_qs_msg = ice_vc_ena_qs_msg, |
| .dis_qs_msg = ice_vc_dis_qs_msg, |
| .request_qs_msg = ice_vc_request_qs_msg, |
| .cfg_irq_map_msg = ice_vc_cfg_irq_map_msg, |
| .config_rss_key = ice_vc_config_rss_key, |
| .config_rss_lut = ice_vc_config_rss_lut, |
| .config_rss_hfunc = ice_vc_config_rss_hfunc, |
| .get_stats_msg = ice_vc_get_stats_msg, |
| .cfg_promiscuous_mode_msg = ice_vc_repr_cfg_promiscuous_mode, |
| .add_vlan_msg = ice_vc_add_vlan_msg, |
| .remove_vlan_msg = ice_vc_remove_vlan_msg, |
| .query_rxdid = ice_vc_query_rxdid, |
| .get_rss_hena = ice_vc_get_rss_hena, |
| .set_rss_hena_msg = ice_vc_set_rss_hena, |
| .ena_vlan_stripping = ice_vc_ena_vlan_stripping, |
| .dis_vlan_stripping = ice_vc_dis_vlan_stripping, |
| .handle_rss_cfg_msg = ice_vc_handle_rss_cfg, |
| .add_fdir_fltr_msg = ice_vc_add_fdir_fltr, |
| .del_fdir_fltr_msg = ice_vc_del_fdir_fltr, |
| .get_offload_vlan_v2_caps = ice_vc_get_offload_vlan_v2_caps, |
| .add_vlan_v2_msg = ice_vc_add_vlan_v2_msg, |
| .remove_vlan_v2_msg = ice_vc_remove_vlan_v2_msg, |
| .ena_vlan_stripping_v2_msg = ice_vc_ena_vlan_stripping_v2_msg, |
| .dis_vlan_stripping_v2_msg = ice_vc_dis_vlan_stripping_v2_msg, |
| .ena_vlan_insertion_v2_msg = ice_vc_ena_vlan_insertion_v2_msg, |
| .dis_vlan_insertion_v2_msg = ice_vc_dis_vlan_insertion_v2_msg, |
| }; |
| |
| /** |
| * ice_virtchnl_set_repr_ops - Switch to representor virtchnl ops |
| * @vf: the VF to switch ops |
| */ |
| void ice_virtchnl_set_repr_ops(struct ice_vf *vf) |
| { |
| vf->virtchnl_ops = &ice_virtchnl_repr_ops; |
| } |
| |
| /** |
| * ice_is_malicious_vf - check if this vf might be overflowing mailbox |
| * @vf: the VF to check |
| * @mbxdata: data about the state of the mailbox |
| * |
| * Detect if a given VF might be malicious and attempting to overflow the PF |
| * mailbox. If so, log a warning message and ignore this event. |
| */ |
| static bool |
| ice_is_malicious_vf(struct ice_vf *vf, struct ice_mbx_data *mbxdata) |
| { |
| bool report_malvf = false; |
| struct device *dev; |
| struct ice_pf *pf; |
| int status; |
| |
| pf = vf->pf; |
| dev = ice_pf_to_dev(pf); |
| |
| if (test_bit(ICE_VF_STATE_DIS, vf->vf_states)) |
| return vf->mbx_info.malicious; |
| |
| /* check to see if we have a newly malicious VF */ |
| status = ice_mbx_vf_state_handler(&pf->hw, mbxdata, &vf->mbx_info, |
| &report_malvf); |
| if (status) |
| dev_warn_ratelimited(dev, "Unable to check status of mailbox overflow for VF %u MAC %pM, status %d\n", |
| vf->vf_id, vf->dev_lan_addr, status); |
| |
| if (report_malvf) { |
| struct ice_vsi *pf_vsi = ice_get_main_vsi(pf); |
| u8 zero_addr[ETH_ALEN] = {}; |
| |
| 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", |
| vf->dev_lan_addr, |
| pf_vsi ? pf_vsi->netdev->dev_addr : zero_addr); |
| } |
| |
| return vf->mbx_info.malicious; |
| } |
| |
| /** |
| * ice_vc_process_vf_msg - Process request from VF |
| * @pf: pointer to the PF structure |
| * @event: pointer to the AQ event |
| * @mbxdata: information used to detect VF attempting mailbox overflow |
| * |
| * called from the common asq/arq handler to |
| * process request from VF |
| */ |
| void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event, |
| struct ice_mbx_data *mbxdata) |
| { |
| u32 v_opcode = le32_to_cpu(event->desc.cookie_high); |
| s16 vf_id = le16_to_cpu(event->desc.retval); |
| const struct ice_virtchnl_ops *ops; |
| u16 msglen = event->msg_len; |
| u8 *msg = event->msg_buf; |
| struct ice_vf *vf = NULL; |
| struct device *dev; |
| int err = 0; |
| |
| dev = ice_pf_to_dev(pf); |
| |
| vf = ice_get_vf_by_id(pf, vf_id); |
| if (!vf) { |
| dev_err(dev, "Unable to locate VF for message from VF ID %d, opcode %d, len %d\n", |
| vf_id, v_opcode, msglen); |
| return; |
| } |
| |
| mutex_lock(&vf->cfg_lock); |
| |
| /* Check if the VF is trying to overflow the mailbox */ |
| if (ice_is_malicious_vf(vf, mbxdata)) |
| goto finish; |
| |
| /* Check if VF is disabled. */ |
| if (test_bit(ICE_VF_STATE_DIS, vf->vf_states)) { |
| err = -EPERM; |
| goto error_handler; |
| } |
| |
| ops = vf->virtchnl_ops; |
| |
| /* Perform basic checks on the msg */ |
| err = virtchnl_vc_validate_vf_msg(&vf->vf_ver, v_opcode, msg, msglen); |
| if (err) { |
| if (err == VIRTCHNL_STATUS_ERR_PARAM) |
| err = -EPERM; |
| else |
| err = -EINVAL; |
| } |
| |
| error_handler: |
| if (err) { |
| ice_vc_send_msg_to_vf(vf, v_opcode, VIRTCHNL_STATUS_ERR_PARAM, |
| NULL, 0); |
| dev_err(dev, "Invalid message from VF %d, opcode %d, len %d, error %d\n", |
| vf_id, v_opcode, msglen, err); |
| goto finish; |
| } |
| |
| if (!ice_vc_is_opcode_allowed(vf, v_opcode)) { |
| ice_vc_send_msg_to_vf(vf, v_opcode, |
| VIRTCHNL_STATUS_ERR_NOT_SUPPORTED, NULL, |
| 0); |
| goto finish; |
| } |
| |
| switch (v_opcode) { |
| case VIRTCHNL_OP_VERSION: |
| err = ops->get_ver_msg(vf, msg); |
| break; |
| case VIRTCHNL_OP_GET_VF_RESOURCES: |
| err = ops->get_vf_res_msg(vf, msg); |
| if (ice_vf_init_vlan_stripping(vf)) |
| dev_dbg(dev, "Failed to initialize VLAN stripping for VF %d\n", |
| vf->vf_id); |
| ice_vc_notify_vf_link_state(vf); |
| break; |
| case VIRTCHNL_OP_RESET_VF: |
| ops->reset_vf(vf); |
| break; |
| case VIRTCHNL_OP_ADD_ETH_ADDR: |
| err = ops->add_mac_addr_msg(vf, msg); |
| break; |
| case VIRTCHNL_OP_DEL_ETH_ADDR: |
| err = ops->del_mac_addr_msg(vf, msg); |
| break; |
| case VIRTCHNL_OP_CONFIG_VSI_QUEUES: |
| err = ops->cfg_qs_msg(vf, msg); |
| break; |
| case VIRTCHNL_OP_ENABLE_QUEUES: |
| err = ops->ena_qs_msg(vf, msg); |
| ice_vc_notify_vf_link_state(vf); |
| break; |
| case VIRTCHNL_OP_DISABLE_QUEUES: |
| err = ops->dis_qs_msg(vf, msg); |
| break; |
| case VIRTCHNL_OP_REQUEST_QUEUES: |
| err = ops->request_qs_msg(vf, msg); |
| break; |
| case VIRTCHNL_OP_CONFIG_IRQ_MAP: |
| err = ops->cfg_irq_map_msg(vf, msg); |
| break; |
| case VIRTCHNL_OP_CONFIG_RSS_KEY: |
| err = ops->config_rss_key(vf, msg); |
| break; |
| case VIRTCHNL_OP_CONFIG_RSS_LUT: |
| err = ops->config_rss_lut(vf, msg); |
| break; |
| case VIRTCHNL_OP_CONFIG_RSS_HFUNC: |
| err = ops->config_rss_hfunc(vf, msg); |
| break; |
| case VIRTCHNL_OP_GET_STATS: |
| err = ops->get_stats_msg(vf, msg); |
| break; |
| case VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE: |
| err = ops->cfg_promiscuous_mode_msg(vf, msg); |
| break; |
| case VIRTCHNL_OP_ADD_VLAN: |
| err = ops->add_vlan_msg(vf, msg); |
| break; |
| case VIRTCHNL_OP_DEL_VLAN: |
| err = ops->remove_vlan_msg(vf, msg); |
| break; |
| case VIRTCHNL_OP_GET_SUPPORTED_RXDIDS: |
| err = ops->query_rxdid(vf); |
| break; |
| case VIRTCHNL_OP_GET_RSS_HENA_CAPS: |
| err = ops->get_rss_hena(vf); |
| break; |
| case VIRTCHNL_OP_SET_RSS_HENA: |
| err = ops->set_rss_hena_msg(vf, msg); |
| break; |
| case VIRTCHNL_OP_ENABLE_VLAN_STRIPPING: |
| err = ops->ena_vlan_stripping(vf); |
| break; |
| case VIRTCHNL_OP_DISABLE_VLAN_STRIPPING: |
| err = ops->dis_vlan_stripping(vf); |
| break; |
| case VIRTCHNL_OP_ADD_FDIR_FILTER: |
| err = ops->add_fdir_fltr_msg(vf, msg); |
| break; |
| case VIRTCHNL_OP_DEL_FDIR_FILTER: |
| err = ops->del_fdir_fltr_msg(vf, msg); |
| break; |
| case VIRTCHNL_OP_ADD_RSS_CFG: |
| err = ops->handle_rss_cfg_msg(vf, msg, true); |
| break; |
| case VIRTCHNL_OP_DEL_RSS_CFG: |
| err = ops->handle_rss_cfg_msg(vf, msg, false); |
| break; |
| case VIRTCHNL_OP_GET_OFFLOAD_VLAN_V2_CAPS: |
| err = ops->get_offload_vlan_v2_caps(vf); |
| break; |
| case VIRTCHNL_OP_ADD_VLAN_V2: |
| err = ops->add_vlan_v2_msg(vf, msg); |
| break; |
| case VIRTCHNL_OP_DEL_VLAN_V2: |
| err = ops->remove_vlan_v2_msg(vf, msg); |
| break; |
| case VIRTCHNL_OP_ENABLE_VLAN_STRIPPING_V2: |
| err = ops->ena_vlan_stripping_v2_msg(vf, msg); |
| break; |
| case VIRTCHNL_OP_DISABLE_VLAN_STRIPPING_V2: |
| err = ops->dis_vlan_stripping_v2_msg(vf, msg); |
| break; |
| case VIRTCHNL_OP_ENABLE_VLAN_INSERTION_V2: |
| err = ops->ena_vlan_insertion_v2_msg(vf, msg); |
| break; |
| case VIRTCHNL_OP_DISABLE_VLAN_INSERTION_V2: |
| err = ops->dis_vlan_insertion_v2_msg(vf, msg); |
| break; |
| case VIRTCHNL_OP_UNKNOWN: |
| default: |
| dev_err(dev, "Unsupported opcode %d from VF %d\n", v_opcode, |
| vf_id); |
| err = ice_vc_send_msg_to_vf(vf, v_opcode, |
| VIRTCHNL_STATUS_ERR_NOT_SUPPORTED, |
| NULL, 0); |
| break; |
| } |
| if (err) { |
| /* Helper function cares less about error return values here |
| * as it is busy with pending work. |
| */ |
| dev_info(dev, "PF failed to honor VF %d, opcode %d, error %d\n", |
| vf_id, v_opcode, err); |
| } |
| |
| finish: |
| mutex_unlock(&vf->cfg_lock); |
| ice_put_vf(vf); |
| } |