ice: Check CRC strip requirement for VLAN strip
When VLAN strip is enabled, the CRC strip must not be disabled. And when the CRC strip is disabled, the VLAN strip should not be enabled. The driver needs to check CRC strip disable setting parameter before configuring the Rx/Tx queues, otherwise, in current error handling, the already set Tx queue context doesn't roll back correctly, it will cause the Tx queue setup failure next time: "Failed to set LAN Tx queue context" Signed-off-by: Haiyue Wang <haiyue.wang@intel.com> Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de> Signed-off-by: Ahmed Zaki <ahmed.zaki@intel.com> Tested-by: Rafal Romanowski <rafal.romanowski@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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@ -123,6 +123,9 @@ struct ice_vf {
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u8 num_req_qs; /* num of queue pairs requested by VF */
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u16 num_mac;
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u16 num_vf_qs; /* num of queue configured per VF */
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u8 vlan_strip_ena; /* Outer and Inner VLAN strip enable */
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#define ICE_INNER_VLAN_STRIP_ENA BIT(0)
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#define ICE_OUTER_VLAN_STRIP_ENA BIT(1)
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struct ice_mdd_vf_events mdd_rx_events;
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struct ice_mdd_vf_events mdd_tx_events;
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DECLARE_BITMAP(opcodes_allowlist, VIRTCHNL_OP_MAX);
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@ -1623,6 +1623,15 @@ static int ice_vc_cfg_qs_msg(struct ice_vf *vf, u8 *msg)
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goto error_param;
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}
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for (i = 0; i < qci->num_queue_pairs; i++) {
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if (!qci->qpair[i].rxq.crc_disable)
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continue;
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if (!(vf->driver_caps & VIRTCHNL_VF_OFFLOAD_CRC) ||
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vf->vlan_strip_ena)
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goto error_param;
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}
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for (i = 0; i < qci->num_queue_pairs; i++) {
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qpi = &qci->qpair[i];
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if (qpi->txq.vsi_id != qci->vsi_id ||
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@ -1669,11 +1678,6 @@ static int ice_vc_cfg_qs_msg(struct ice_vf *vf, u8 *msg)
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vsi->rx_rings[i]->dma = qpi->rxq.dma_ring_addr;
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vsi->rx_rings[i]->count = qpi->rxq.ring_len;
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if (qpi->rxq.crc_disable &&
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!(vf->driver_caps & VIRTCHNL_VF_OFFLOAD_CRC)) {
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goto error_param;
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}
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if (qpi->rxq.crc_disable)
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vsi->rx_rings[q_idx]->flags |=
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ICE_RX_FLAGS_CRC_STRIP_DIS;
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@ -2425,6 +2429,21 @@ static int ice_vc_remove_vlan_msg(struct ice_vf *vf, u8 *msg)
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return ice_vc_process_vlan_msg(vf, msg, false);
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}
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/**
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* ice_vsi_is_rxq_crc_strip_dis - check if Rx queue CRC strip is disabled or not
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* @vsi: pointer to the VF VSI info
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*/
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static bool ice_vsi_is_rxq_crc_strip_dis(struct ice_vsi *vsi)
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{
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unsigned int i;
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ice_for_each_alloc_rxq(vsi, i)
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if (vsi->rx_rings[i]->flags & ICE_RX_FLAGS_CRC_STRIP_DIS)
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return true;
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return false;
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}
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/**
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* ice_vc_ena_vlan_stripping
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* @vf: pointer to the VF info
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@ -2454,6 +2473,8 @@ static int ice_vc_ena_vlan_stripping(struct ice_vf *vf)
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if (vsi->inner_vlan_ops.ena_stripping(vsi, ETH_P_8021Q))
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v_ret = VIRTCHNL_STATUS_ERR_PARAM;
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else
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vf->vlan_strip_ena |= ICE_INNER_VLAN_STRIP_ENA;
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error_param:
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return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ENABLE_VLAN_STRIPPING,
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@ -2489,6 +2510,8 @@ static int ice_vc_dis_vlan_stripping(struct ice_vf *vf)
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if (vsi->inner_vlan_ops.dis_stripping(vsi))
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v_ret = VIRTCHNL_STATUS_ERR_PARAM;
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else
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vf->vlan_strip_ena &= ~ICE_INNER_VLAN_STRIP_ENA;
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error_param:
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return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DISABLE_VLAN_STRIPPING,
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@ -2664,6 +2687,8 @@ static int ice_vf_init_vlan_stripping(struct ice_vf *vf)
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{
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struct ice_vsi *vsi = ice_get_vf_vsi(vf);
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vf->vlan_strip_ena = 0;
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if (!vsi)
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return -EINVAL;
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@ -2673,10 +2698,16 @@ static int ice_vf_init_vlan_stripping(struct ice_vf *vf)
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if (ice_vf_is_port_vlan_ena(vf) && !ice_is_dvm_ena(&vsi->back->hw))
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return 0;
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if (ice_vf_vlan_offload_ena(vf->driver_caps))
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return vsi->inner_vlan_ops.ena_stripping(vsi, ETH_P_8021Q);
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else
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return vsi->inner_vlan_ops.dis_stripping(vsi);
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if (ice_vf_vlan_offload_ena(vf->driver_caps)) {
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int err;
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err = vsi->inner_vlan_ops.ena_stripping(vsi, ETH_P_8021Q);
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if (!err)
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vf->vlan_strip_ena |= ICE_INNER_VLAN_STRIP_ENA;
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return err;
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}
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return vsi->inner_vlan_ops.dis_stripping(vsi);
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}
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static u16 ice_vc_get_max_vlan_fltrs(struct ice_vf *vf)
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@ -3450,6 +3481,11 @@ static int ice_vc_ena_vlan_stripping_v2_msg(struct ice_vf *vf, u8 *msg)
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goto out;
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}
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if (ice_vsi_is_rxq_crc_strip_dis(vsi)) {
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v_ret = VIRTCHNL_STATUS_ERR_NOT_SUPPORTED;
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goto out;
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}
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ethertype_setting = strip_msg->outer_ethertype_setting;
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if (ethertype_setting) {
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if (ice_vc_ena_vlan_offload(vsi,
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@ -3470,6 +3506,8 @@ static int ice_vc_ena_vlan_stripping_v2_msg(struct ice_vf *vf, u8 *msg)
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* enabled, is extracted in L2TAG1.
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*/
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ice_vsi_update_l2tsel(vsi, l2tsel);
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vf->vlan_strip_ena |= ICE_OUTER_VLAN_STRIP_ENA;
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}
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}
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@ -3481,6 +3519,9 @@ static int ice_vc_ena_vlan_stripping_v2_msg(struct ice_vf *vf, u8 *msg)
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goto out;
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}
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if (ethertype_setting)
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vf->vlan_strip_ena |= ICE_INNER_VLAN_STRIP_ENA;
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out:
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return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ENABLE_VLAN_STRIPPING_V2,
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v_ret, NULL, 0);
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@ -3542,6 +3583,8 @@ static int ice_vc_dis_vlan_stripping_v2_msg(struct ice_vf *vf, u8 *msg)
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* in L2TAG1.
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*/
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ice_vsi_update_l2tsel(vsi, l2tsel);
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vf->vlan_strip_ena &= ~ICE_OUTER_VLAN_STRIP_ENA;
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}
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}
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@ -3551,6 +3594,9 @@ static int ice_vc_dis_vlan_stripping_v2_msg(struct ice_vf *vf, u8 *msg)
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goto out;
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}
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if (ethertype_setting)
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vf->vlan_strip_ena &= ~ICE_INNER_VLAN_STRIP_ENA;
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out:
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return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DISABLE_VLAN_STRIPPING_V2,
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v_ret, NULL, 0);
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