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RDMA/mana_ib: Fix DSCP value in modify QP

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Convert the traffic_class in GRH to a DSCP value as required by the HW.

Fixes: e095405b45 ("RDMA/mana_ib: Modify QP state")
Signed-off-by: Shiraz Saleem <shirazsaleem@microsoft.com>
Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://patch.msgid.link/1752143085-4169-1-git-send-email-kotaranov@linux.microsoft.com
Reviewed-by: Long Li <longli@microsoft.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Shiraz Saleem 2025-07-10 03:24:45 -07:00 committed by Leon Romanovsky
parent 9fb3dd8519
commit 62de0e6732
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/hw/mana/qp.c
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@ -772,7 +772,7 @@ static int mana_ib_gd_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
req.ah_attr.dest_port = ROCE_V2_UDP_DPORT;
req.ah_attr.src_port = rdma_get_udp_sport(attr->ah_attr.grh.flow_label,
ibqp->qp_num, attr->dest_qp_num);
req.ah_attr.traffic_class = attr->ah_attr.grh.traffic_class;
req.ah_attr.traffic_class = attr->ah_attr.grh.traffic_class >> 2;
req.ah_attr.hop_limit = attr->ah_attr.grh.hop_limit;
}