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authorTakashi Iwai <tiwai@suse.de>2016-05-10 16:06:04 +0200
committerTakashi Iwai <tiwai@suse.de>2016-05-10 16:06:04 +0200
commit2e00fde5c6ed8535244332ebb55e881baa54ae46 (patch)
treef578e02ef1dc6e59630f09404bb2f58500876811 /drivers/net/ethernet/mellanox/mlx4/port.c
parent39f0ccde3624e7cf882faccf7f72a47b7a763bfb (diff)
parent3231e2053eaeee70bdfb216a78a30f11e88e2243 (diff)
downloadblackbird-op-linux-2e00fde5c6ed8535244332ebb55e881baa54ae46.tar.gz
blackbird-op-linux-2e00fde5c6ed8535244332ebb55e881baa54ae46.zip
Merge branch 'for-linus' into for-next
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/port.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/port.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c
index 211c65087997..087b23b320cb 100644
--- a/drivers/net/ethernet/mellanox/mlx4/port.c
+++ b/drivers/net/ethernet/mellanox/mlx4/port.c
@@ -1317,6 +1317,19 @@ static int mlx4_common_set_port(struct mlx4_dev *dev, int slave, u32 in_mod,
}
gen_context->mtu = cpu_to_be16(master->max_mtu[port]);
+ /* Slave cannot change Global Pause configuration */
+ if (slave != mlx4_master_func_num(dev) &&
+ ((gen_context->pptx != master->pptx) ||
+ (gen_context->pprx != master->pprx))) {
+ gen_context->pptx = master->pptx;
+ gen_context->pprx = master->pprx;
+ mlx4_warn(dev,
+ "denying Global Pause change for slave:%d\n",
+ slave);
+ } else {
+ master->pptx = gen_context->pptx;
+ master->pprx = gen_context->pprx;
+ }
break;
case MLX4_SET_PORT_GID_TABLE:
/* change to MULTIPLE entries: number of guest's gids
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