This is a note to let you know that I've just added the patch titled
IB/mlx4: Fix port query for 56Gb Ethernet links
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ib-mlx4-fix-port-query-for-56gb-ethernet-links.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 6fa26208206c406fa529cd73f7ae6bf4181e270b Mon Sep 17 00:00:00 2001
From: Saeed Mahameed <saeedm@xxxxxxxxxxxx>
Date: Thu, 10 Nov 2016 11:30:59 +0200
Subject: IB/mlx4: Fix port query for 56Gb Ethernet links
From: Saeed Mahameed <saeedm@xxxxxxxxxxxx>
commit 6fa26208206c406fa529cd73f7ae6bf4181e270b upstream.
Report the correct speed in the port attributes when using a 56Gbps
ethernet link. Without this change the field is incorrectly set to 10.
Fixes: a9c766bb75ee ('IB/mlx4: Fix info returned when querying IBoE ports')
Fixes: 2e96691c31ec ('IB: Use central enum for speed instead of hard-coded values')
Signed-off-by: Saeed Mahameed <saeedm@xxxxxxxxxxxx>
Signed-off-by: Yishai Hadas <yishaih@xxxxxxxxxxxx>
Signed-off-by: Daniel Jurgens <danielj@xxxxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx>
Signed-off-by: Doug Ledford <dledford@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/infiniband/hw/mlx4/main.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -630,9 +630,11 @@ static int eth_link_query_port(struct ib
if (err)
goto out;
- props->active_width = (((u8 *)mailbox->buf)[5] == 0x40) ?
- IB_WIDTH_4X : IB_WIDTH_1X;
- props->active_speed = IB_SPEED_QDR;
+ props->active_width = (((u8 *)mailbox->buf)[5] == 0x40) ||
+ (((u8 *)mailbox->buf)[5] == 0x20 /*56Gb*/) ?
+ IB_WIDTH_4X : IB_WIDTH_1X;
+ props->active_speed = (((u8 *)mailbox->buf)[5] == 0x20 /*56Gb*/) ?
+ IB_SPEED_FDR : IB_SPEED_QDR;
props->port_cap_flags = IB_PORT_CM_SUP | IB_PORT_IP_BASED_GIDS;
props->gid_tbl_len = mdev->dev->caps.gid_table_len[port];
props->max_msg_sz = mdev->dev->caps.max_msg_sz;
Patches currently in stable-queue which might be from saeedm@xxxxxxxxxxxx are
queue-4.4/ib-mlx4-fix-port-query-for-56gb-ethernet-links.patch
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