diff options
| author | Tariq Toukan <tariqt@mellanox.com> | 2016-05-11 00:29:14 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-05-11 19:42:39 -0400 |
| commit | 7219ab34f184b5d864be38f5ada7cdff1ab5b18a (patch) | |
| tree | ce9106dfabfa07eff8eec8b9d2dfc85c24618fda /drivers/net/ethernet/mellanox/mlx5/core/en_clock.c | |
| parent | c1869d584a9d1e51544d747524662d5d2b8bf63f (diff) | |
| download | linux-7219ab34f184b5d864be38f5ada7cdff1ab5b18a.tar.bz2 | |
net/mlx5e: CQE compression
CQE compression feature is meant to save PCIe bandwidth by
compressing few CQEs into smaller amount of bytes on PCIe.
CQE compression can be selectively enabled per CQ. By default
is disabled for now and will be enabled later on.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_clock.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_clock.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_clock.c b/drivers/net/ethernet/mellanox/mlx5/core/en_clock.c index 2018eebe1531..847a8f3ac2b2 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_clock.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_clock.c @@ -93,6 +93,8 @@ int mlx5e_hwstamp_set(struct net_device *dev, struct ifreq *ifr) /* RX HW timestamp */ switch (config.rx_filter) { case HWTSTAMP_FILTER_NONE: + /* Reset CQE compression to Admin default */ + mlx5e_modify_rx_cqe_compression(priv, priv->params.rx_cqe_compress_admin); break; case HWTSTAMP_FILTER_ALL: case HWTSTAMP_FILTER_SOME: @@ -108,6 +110,8 @@ int mlx5e_hwstamp_set(struct net_device *dev, struct ifreq *ifr) case HWTSTAMP_FILTER_PTP_V2_EVENT: case HWTSTAMP_FILTER_PTP_V2_SYNC: case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ: + /* Disable CQE compression */ + mlx5e_modify_rx_cqe_compression(priv, false); config.rx_filter = HWTSTAMP_FILTER_ALL; break; default: |