6.15-stable review patch. If anyone has any objections, please let me know.
------------------
From: Shiraz Saleem shirazsaleem@microsoft.com
[ Upstream commit 62de0e67328e9503459a24b9343c3358937cdeef ]
Convert the traffic_class in GRH to a DSCP value as required by the HW.
Fixes: e095405b45bb ("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.mi... Reviewed-by: Long Li longli@microsoft.com Signed-off-by: Leon Romanovsky leon@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/infiniband/hw/mana/qp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/mana/qp.c b/drivers/infiniband/hw/mana/qp.c index c928af58f38b..456d78c6fcb8 100644 --- a/drivers/infiniband/hw/mana/qp.c +++ b/drivers/infiniband/hw/mana/qp.c @@ -773,7 +773,7 @@ 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; }