]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commit
net/mlx5: Add timeout handle to commands with callback
authorMohamad Haj Yahia <mohamad@mellanox.com>
Thu, 30 Jun 2016 14:34:43 +0000 (17:34 +0300)
committerDavid S. Miller <davem@davemloft.net>
Fri, 1 Jul 2016 10:12:03 +0000 (06:12 -0400)
commit65ee67084589c1783a74b4a4a5db38d7264ec8b5
treecdb22bab9aa9a17e0728d0ff202be063607c9b59
parent9cba4ebcf374c3772f6eb61f2d065294b2451b49
net/mlx5: Add timeout handle to commands with callback

The current implementation does not handle timeout in case of command
with callback request, and this can lead to deadlock if the command
doesn't get fw response.
Add delayed callback timeout work before posting the command to fw.
In case of real fw command completion we will cancel the delayed work.
In case of fw command timeout the callback timeout handler will be
called and it will simulate fw completion with timeout error.

Fixes: e126ba97dba9 ('mlx5: Add driver for Mellanox Connect-IB adapters')
Signed-off-by: Mohamad Haj Yahia <mohamad@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/mellanox/mlx5/core/cmd.c
include/linux/mlx5/driver.h