diff options
| author |   Yevgeny Petrilin <yevgenyp@mellanox.co.il> | 2010-08-24 03:46:42 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2010-08-24 14:57:09 -0700 |
| commit | 0533943c5c45cce2e26432bf0a6b8e114757c897 (patch) | |
| tree | 8405db10a70b0a2a9f4c04528e4bcffdbb7189c6 /drivers/net/mlx4/en_main.c | |
| parent | mlx4_en: reconfiguring mac address. (diff) | |
| download | linux-dev-0533943c5c45cce2e26432bf0a6b8e114757c897.tar.xz linux-dev-0533943c5c45cce2e26432bf0a6b8e114757c897.zip | |
mlx4_en: UDP RSS support
Adding capability for RSS for UDP traffic, hashing is done based on
IP addresses and UDP port number.
The support depends on HW/FW capabilities.
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/mlx4/en_main.c')
| -rw-r--r-- | drivers/net/mlx4/en_main.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/net/mlx4/en_main.c b/drivers/net/mlx4/en_main.c index cacac4e966ee..143906417048 100644 --- a/drivers/net/mlx4/en_main.c +++ b/drivers/net/mlx4/en_main.c @@ -63,11 +63,12 @@ static const char mlx4_en_version[] = */ -/* Use a XOR rathern than Toeplitz hash function for RSS */ -MLX4_EN_PARM_INT(rss_xor, 0, "Use XOR hash function for RSS"); - -/* RSS hash type mask - default to <saddr, daddr, sport, dport> */ -MLX4_EN_PARM_INT(rss_mask, 0xf, "RSS hash type bitmask"); +/* Enable RSS TCP traffic */ +MLX4_EN_PARM_INT(tcp_rss, 1, + "Enable RSS for incomming TCP traffic or disabled (0)"); +/* Enable RSS UDP traffic */ +MLX4_EN_PARM_INT(udp_rss, 1, + "Enable RSS for incomming UDP traffic or disabled (0)"); /* Priority pausing */ MLX4_EN_PARM_INT(pfctx, 0, "Priority based Flow Control policy on TX[7:0]." @@ -103,8 +104,12 @@ static int mlx4_en_get_profile(struct mlx4_en_dev *mdev) struct mlx4_en_profile *params = &mdev->profile; int i; - params->rss_xor = (rss_xor != 0); - params->rss_mask = rss_mask & 0x1f; + params->tcp_rss = tcp_rss; + params->udp_rss = udp_rss; + if (params->udp_rss && !mdev->dev->caps.udp_rss) { + mlx4_warn(mdev, "UDP RSS is not supported on this device.\n"); + params->udp_rss = 0; + } for (i = 1; i <= MLX4_MAX_PORTS; i++) { params->prof[i].rx_pause = 1; params->prof[i].rx_ppp = pfcrx; |