github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-07-27 17:47:41 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

RDMA/mlx5: Use QP port when decoding responder CQEs

Browse Source 
The responder CQE path determines the link layer via
rdma_port_get_link_layer(). Use qp->port instead of
hardcoding port 1, which can mis-decode completions on
multi-port devices.

Signed-off-by: Chenguang Zhao <zhaochenguang@kylinos.cn>
Link: https://patch.msgid.link/20260410074046.2044595-1-zhaochenguang@kylinos.cn
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Chenguang Zhao 2026-04-10 15:40:46 +08:00 committed by Leon Romanovsky
parent e79389115b
commit 194762e6e4
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/infiniband/hw/mlx5/cq.c
View File

@ -169,7 +169,8 @@ enum {
static void handle_responder(struct ib_wc *wc, struct mlx5_cqe64 *cqe,
struct mlx5_ib_qp *qp)
{
enum rdma_link_layer ll = rdma_port_get_link_layer(qp->ibqp.device, 1);
enum rdma_link_layer ll =
rdma_port_get_link_layer(qp->ibqp.device, qp->port);
struct mlx5_ib_dev *dev = to_mdev(qp->ibqp.device);
struct mlx5_ib_srq *srq = NULL;
struct mlx5_ib_wq *wq;