diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/mlx4/en_main.c | 19 | ||||
| -rw-r--r-- | drivers/net/mlx4/en_rx.c | 8 | ||||
| -rw-r--r-- | drivers/net/mlx4/fw.c | 3 | ||||
| -rw-r--r-- | drivers/net/mlx4/fw.h | 1 | ||||
| -rw-r--r-- | drivers/net/mlx4/main.c | 1 | ||||
| -rw-r--r-- | drivers/net/mlx4/mlx4_en.h | 3 |
6 files changed, 24 insertions, 11 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; diff --git a/drivers/net/mlx4/en_rx.c b/drivers/net/mlx4/en_rx.c index f421a3d42723..e2126c76d1dc 100644 --- a/drivers/net/mlx4/en_rx.c +++ b/drivers/net/mlx4/en_rx.c @@ -859,8 +859,7 @@ int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv) struct mlx4_qp_context context; struct mlx4_en_rss_context *rss_context; void *ptr; - int rss_xor = mdev->profile.rss_xor; - u8 rss_mask = mdev->profile.rss_mask; + u8 rss_mask = 0x3f; int i, qpn; int err = 0; int good_qps = 0; @@ -906,9 +905,10 @@ int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv) rss_context->base_qpn = cpu_to_be32(ilog2(priv->rx_ring_num) << 24 | (rss_map->base_qpn)); rss_context->default_qpn = cpu_to_be32(rss_map->base_qpn); - rss_context->hash_fn = rss_xor & 0x3; - rss_context->flags = rss_mask << 2; + rss_context->flags = rss_mask; + if (priv->mdev->profile.udp_rss) + rss_context->base_qpn_udp = rss_context->default_qpn; err = mlx4_qp_to_ready(mdev->dev, &priv->res.mtt, &context, &rss_map->indir_qp, &rss_map->indir_state); if (err) diff --git a/drivers/net/mlx4/fw.c b/drivers/net/mlx4/fw.c index 515c6348f32b..b716e1a1b298 100644 --- a/drivers/net/mlx4/fw.c +++ b/drivers/net/mlx4/fw.c @@ -179,6 +179,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) #define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b #define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c #define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f +#define QUERY_DEV_CAP_UDP_RSS_OFFSET 0x42 #define QUERY_DEV_CAP_ETH_UC_LOOPBACK_OFFSET 0x43 #define QUERY_DEV_CAP_FLAGS_OFFSET 0x44 #define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48 @@ -270,6 +271,8 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) dev_cap->max_msg_sz = 1 << (field & 0x1f); MLX4_GET(stat_rate, outbox, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET); dev_cap->stat_rate_support = stat_rate; + MLX4_GET(field, outbox, QUERY_DEV_CAP_UDP_RSS_OFFSET); + dev_cap->udp_rss = field & 0x1; MLX4_GET(field, outbox, QUERY_DEV_CAP_ETH_UC_LOOPBACK_OFFSET); dev_cap->loopback_support = field & 0x1; MLX4_GET(dev_cap->flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET); diff --git a/drivers/net/mlx4/fw.h b/drivers/net/mlx4/fw.h index 443e456c9dab..65cc72eb899d 100644 --- a/drivers/net/mlx4/fw.h +++ b/drivers/net/mlx4/fw.h @@ -78,6 +78,7 @@ struct mlx4_dev_cap { u16 wavelength[MLX4_MAX_PORTS + 1]; u64 trans_code[MLX4_MAX_PORTS + 1]; u16 stat_rate_support; + int udp_rss; int loopback_support; u32 flags; int reserved_uars; diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c index f4791fa2472f..569fa3df381f 100644 --- a/drivers/net/mlx4/main.c +++ b/drivers/net/mlx4/main.c @@ -225,6 +225,7 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) dev->caps.bmme_flags = dev_cap->bmme_flags; dev->caps.reserved_lkey = dev_cap->reserved_lkey; dev->caps.stat_rate_support = dev_cap->stat_rate_support; + dev->caps.udp_rss = dev_cap->udp_rss; dev->caps.loopback_support = dev_cap->loopback_support; dev->caps.max_gso_sz = dev_cap->max_gso_sz; diff --git a/drivers/net/mlx4/mlx4_en.h b/drivers/net/mlx4/mlx4_en.h index 5d8f097d7e06..4036a053ee32 100644 --- a/drivers/net/mlx4/mlx4_en.h +++ b/drivers/net/mlx4/mlx4_en.h @@ -318,6 +318,8 @@ struct mlx4_en_port_profile { struct mlx4_en_profile { int rss_xor; + int tcp_rss; + int udp_rss; u8 rss_mask; u32 active_ports; u32 small_pkt_int; @@ -360,6 +362,7 @@ struct mlx4_en_rss_context { u8 hash_fn; u8 flags; __be32 rss_key[10]; + __be32 base_qpn_udp; }; struct mlx4_en_port_state { |