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RDMA/bnxt_re: Support different traffic class

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Adding support for different traffic class passed
to driver. Fix the traffic class setting in modify_qp
by skipping the ECN bits. Pass the service level received
from applications to the firmware.

Signed-off-by: Chandramohan Akula <chandramohan.akula@broadcom.com>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://patch.msgid.link/1731660464-27838-2-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Chandramohan Akula 2024-11-15 00:47:42 -08:00 • committed by Leon Romanovsky
parent fc0856c3a3
commit c64b16a37b
2 changed files with 12 additions and 2 deletions
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2
drivers/infiniband/hw/bnxt_re/ib_verbs.c
View file

@ -2136,7 +2136,7 @@ int bnxt_re_modify_qp(struct ib_qp *ib_qp, struct ib_qp_attr *qp_attr,
qp->qplib_qp.ah.sgid_index = ctx->idx;
qp->qplib_qp.ah.host_sgid_index = grh->sgid_index;
qp->qplib_qp.ah.hop_limit = grh->hop_limit;
qp->qplib_qp.ah.traffic_class = grh->traffic_class;
qp->qplib_qp.ah.traffic_class = grh->traffic_class >> 2;
qp->qplib_qp.ah.sl = rdma_ah_get_sl(&qp_attr->ah_attr);
ether_addr_copy(qp->qplib_qp.ah.dmac,
qp_attr->ah_attr.roce.dmac);

12
drivers/infiniband/hw/bnxt_re/qplib_fp.c
View file

@ -1318,6 +1318,7 @@ int bnxt_qplib_modify_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp)
struct creq_modify_qp_resp resp = {};
struct bnxt_qplib_cmdqmsg msg = {};
struct cmdq_modify_qp req = {};
u16 vlan_pcp_vlan_dei_vlan_id;
u32 temp32[4];
u32 bmask;
int rc;
@ -1414,7 +1415,16 @@ int bnxt_qplib_modify_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp)
if (bmask & CMDQ_MODIFY_QP_MODIFY_MASK_DEST_QP_ID)
req.dest_qp_id = cpu_to_le32(qp->dest_qpn);
req.vlan_pcp_vlan_dei_vlan_id = cpu_to_le16(qp->vlan_id);
if (bmask & CMDQ_MODIFY_QP_MODIFY_MASK_VLAN_ID) {
vlan_pcp_vlan_dei_vlan_id =
((res->sgid_tbl.tbl[qp->ah.sgid_index].vlan_id <<
CMDQ_MODIFY_QP_VLAN_ID_SFT) &
CMDQ_MODIFY_QP_VLAN_ID_MASK);
vlan_pcp_vlan_dei_vlan_id |=
((qp->ah.sl << CMDQ_MODIFY_QP_VLAN_PCP_SFT) &
CMDQ_MODIFY_QP_VLAN_PCP_MASK);
req.vlan_pcp_vlan_dei_vlan_id = cpu_to_le16(vlan_pcp_vlan_dei_vlan_id);
}
bnxt_qplib_fill_cmdqmsg(&msg, &req, &resp, NULL, sizeof(req), sizeof(resp), 0);
rc = bnxt_qplib_rcfw_send_message(rcfw, &msg);