RDMA/bnxt_re: Do not report transparent vlan from QP1
[ Upstream commit2d0e60ee32
] QP1 Rx CQE reports transparent VLAN ID in the completion and this is used while reporting the completion for received MAD packet. Check if the vlan id is configured before reporting it in the work completion. Fixes:84511455ac
("RDMA/bnxt_re: report vlan_id and sl in qp1 recv completion") Link: https://lore.kernel.org/r/1598292876-26529-3-git-send-email-selvin.xavier@broadcom.com Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -2973,6 +2973,19 @@ static void bnxt_re_process_res_rawqp1_wc(struct ib_wc *wc,
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wc->wc_flags |= IB_WC_GRH;
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}
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static bool bnxt_re_check_if_vlan_valid(struct bnxt_re_dev *rdev,
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u16 vlan_id)
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{
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/*
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* Check if the vlan is configured in the host. If not configured, it
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* can be a transparent VLAN. So dont report the vlan id.
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*/
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if (!__vlan_find_dev_deep_rcu(rdev->netdev,
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htons(ETH_P_8021Q), vlan_id))
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return false;
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return true;
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}
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static bool bnxt_re_is_vlan_pkt(struct bnxt_qplib_cqe *orig_cqe,
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u16 *vid, u8 *sl)
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{
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@ -3041,9 +3054,11 @@ static void bnxt_re_process_res_shadow_qp_wc(struct bnxt_re_qp *qp,
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wc->src_qp = orig_cqe->src_qp;
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memcpy(wc->smac, orig_cqe->smac, ETH_ALEN);
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if (bnxt_re_is_vlan_pkt(orig_cqe, &vlan_id, &sl)) {
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wc->vlan_id = vlan_id;
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wc->sl = sl;
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wc->wc_flags |= IB_WC_WITH_VLAN;
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if (bnxt_re_check_if_vlan_valid(rdev, vlan_id)) {
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wc->vlan_id = vlan_id;
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wc->sl = sl;
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wc->wc_flags |= IB_WC_WITH_VLAN;
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}
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}
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wc->port_num = 1;
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wc->vendor_err = orig_cqe->status;
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