From: Konstantin Taranov <kotaranov@linux.microsoft.com>
To: kotaranov@microsoft.com, shirazsaleem@microsoft.com,
longli@microsoft.com, jgg@ziepe.ca, leon@kernel.org
Cc: linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH rdma-next 1/1] RDMA/mana_ib: Fix DSCP value in modify QP
Date: Thu, 10 Jul 2025 03:24:45 -0700 [thread overview]
Message-ID: <1752143085-4169-1-git-send-email-kotaranov@linux.microsoft.com> (raw)
From: Shiraz Saleem <shirazsaleem@microsoft.com>
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>
---
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 c928af5..456d78c 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;
}
--
2.43.0
next reply other threads:[~2025-07-10 10:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-10 10:24 Konstantin Taranov [this message]
2025-07-12 19:12 ` [PATCH rdma-next 1/1] RDMA/mana_ib: Fix DSCP value in modify QP Long Li
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1752143085-4169-1-git-send-email-kotaranov@linux.microsoft.com \
--to=kotaranov@linux.microsoft.com \
--cc=jgg@ziepe.ca \
--cc=kotaranov@microsoft.com \
--cc=leon@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-rdma@vger.kernel.org \
--cc=longli@microsoft.com \
--cc=shirazsaleem@microsoft.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).