From 0533943c5c45cce2e26432bf0a6b8e114757c897 Mon Sep 17 00:00:00 2001 From: Yevgeny Petrilin Date: Tue, 24 Aug 2010 03:46:42 +0000 Subject: 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 Signed-off-by: David S. Miller --- drivers/net/mlx4/fw.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/net/mlx4/fw.c') 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); -- cgit v1.2.3