diff options
author | Amir Vadai <amirv@mellanox.com> | 2013-04-23 06:06:49 (GMT) |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2013-04-24 20:30:14 (GMT) |
commit | ec693d47010e8302e61e0bdf3f47496c5610641a (patch) | |
tree | 8fbcfe632cb618318dcb1c9a9050afd025462b0a /drivers/net/ethernet/mellanox/mlx4/en_resources.c | |
parent | ddd8a6c12d7e494902a9435a9a7a543ef730b2d8 (diff) | |
download | linux-fsl-qoriq-ec693d47010e8302e61e0bdf3f47496c5610641a.tar.xz |
net/mlx4_en: Add HW timestamping (TS) support
The patch allows to enable/disable HW timestamping for incoming and/or
outgoing packets. It adds and initializes all structs and callbacks
needed by kernel TS API.
To enable/disable HW timestamping appropriate ioctl should be used.
Currently HWTSTAMP_FILTER_ALL/NONE and HWTSAMP_TX_ON/OFF only are
supported.
When enabling TS on receive flow - VLAN stripping will be disabled.
Also were made all relevant changes in RX/TX flows to consider TS request
and plant HW timestamps into relevant structures.
mlx4_ib was fixed to compile with new mlx4_cq_alloc() signature.
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/en_resources.c')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_resources.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_resources.c b/drivers/net/ethernet/mellanox/mlx4/en_resources.c index 10c24c7..91f2b2c 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_resources.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_resources.c @@ -42,6 +42,7 @@ void mlx4_en_fill_qp_context(struct mlx4_en_priv *priv, int size, int stride, int user_prio, struct mlx4_qp_context *context) { struct mlx4_en_dev *mdev = priv->mdev; + struct net_device *dev = priv->dev; memset(context, 0, sizeof *context); context->flags = cpu_to_be32(7 << 16 | rss << MLX4_RSS_QPC_FLAG_OFFSET); @@ -65,6 +66,8 @@ void mlx4_en_fill_qp_context(struct mlx4_en_priv *priv, int size, int stride, context->cqn_send = cpu_to_be32(cqn); context->cqn_recv = cpu_to_be32(cqn); context->db_rec_addr = cpu_to_be64(priv->res.db.dma << 2); + if (!(dev->features & NETIF_F_HW_VLAN_CTAG_RX)) + context->param3 |= cpu_to_be32(1 << 30); } |