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authorEugenia Emantayev <eugenia@mellanox.com>2013-08-21 10:08:56 +0300
committerDavid S. Miller <davem@davemloft.net>2013-08-21 12:19:26 -0700
commit0e316f1b9bd86261fb3283b3ac2eeebd5ef56f1b (patch)
tree4c73e4d5d449cc6865b54aacb9742f29324c6cb8 /drivers/net/ethernet/mellanox/mlx4
parent5c044e6368995e6590b616aa0043fe03670aefaa (diff)
downloadblackbird-op-linux-0e316f1b9bd86261fb3283b3ac2eeebd5ef56f1b.tar.gz
blackbird-op-linux-0e316f1b9bd86261fb3283b3ac2eeebd5ef56f1b.zip
net/mlx4_en: Disable global flow control when PFC enabled
Fix a bug when FC and PFC are enabled/disabled at the same time. According to ConnectX-3 Programmer Manual these two features are mutial exclusive. So make sure when enabling PFC to turn off global FC and vise versa. Otherwise it hurts the performance. Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com> Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c b/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c
index f71fba97d786..b4881b686159 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c
@@ -170,8 +170,8 @@ static int mlx4_en_dcbnl_ieee_setpfc(struct net_device *dev,
pfc->mbc,
pfc->delay);
- prof->rx_pause = !!pfc->pfc_en;
- prof->tx_pause = !!pfc->pfc_en;
+ prof->rx_pause = !pfc->pfc_en;
+ prof->tx_pause = !pfc->pfc_en;
prof->rx_ppp = pfc->pfc_en;
prof->tx_ppp = pfc->pfc_en;
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