diff options
| author | Fan Du <fan.du@intel.com> | 2015-04-29 10:57:40 +0800 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2015-07-17 19:59:07 -0700 |
| commit | 1e1429d6ce6e6fe38e45c960133e9c9b3c62cbc6 (patch) | |
| tree | 72faf8ca49c6ffa2f8e0121fe31a8fd25bac0fcd | |
| parent | 7edda4b8711d58dabb55e6afec03e8177647f266 (diff) | |
ixgbevf: Set Rx hash type for ingress packets
Set hash type for ingress packets according to NIC
advanced receive descriptors RSS type part.
Signed-off-by: Fan Du <fan.du@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbevf/defines.h | 12 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 27 |
2 files changed, 39 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ixgbevf/defines.h b/drivers/net/ethernet/intel/ixgbevf/defines.h index 770e21a64388..58434584b16d 100644 --- a/drivers/net/ethernet/intel/ixgbevf/defines.h +++ b/drivers/net/ethernet/intel/ixgbevf/defines.h @@ -161,6 +161,18 @@ typedef u32 ixgbe_link_speed; #define IXGBE_RXDADV_SPLITHEADER_EN 0x00001000 #define IXGBE_RXDADV_SPH 0x8000 +/* RSS Hash results */ +#define IXGBE_RXDADV_RSSTYPE_NONE 0x00000000 +#define IXGBE_RXDADV_RSSTYPE_IPV4_TCP 0x00000001 +#define IXGBE_RXDADV_RSSTYPE_IPV4 0x00000002 +#define IXGBE_RXDADV_RSSTYPE_IPV6_TCP 0x00000003 +#define IXGBE_RXDADV_RSSTYPE_IPV6_EX 0x00000004 +#define IXGBE_RXDADV_RSSTYPE_IPV6 0x00000005 +#define IXGBE_RXDADV_RSSTYPE_IPV6_TCP_EX 0x00000006 +#define IXGBE_RXDADV_RSSTYPE_IPV4_UDP 0x00000007 +#define IXGBE_RXDADV_RSSTYPE_IPV6_UDP 0x00000008 +#define IXGBE_RXDADV_RSSTYPE_IPV6_UDP_EX 0x00000009 + #define IXGBE_RXD_ERR_FRAME_ERR_MASK ( \ IXGBE_RXD_ERR_CE | \ IXGBE_RXD_ERR_LE | \ diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index acfa05154436..b2c86f1b8a9f 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -457,6 +457,32 @@ static void ixgbevf_rx_skb(struct ixgbevf_q_vector *q_vector, napi_gro_receive(&q_vector->napi, skb); } +#define IXGBE_RSS_L4_TYPES_MASK \ + ((1ul << IXGBE_RXDADV_RSSTYPE_IPV4_TCP) | \ + (1ul << IXGBE_RXDADV_RSSTYPE_IPV4_UDP) | \ + (1ul << IXGBE_RXDADV_RSSTYPE_IPV6_TCP) | \ + (1ul << IXGBE_RXDADV_RSSTYPE_IPV6_UDP)) + +static inline void ixgbevf_rx_hash(struct ixgbevf_ring *ring, + union ixgbe_adv_rx_desc *rx_desc, + struct sk_buff *skb) +{ + u16 rss_type; + + if (!(ring->netdev->features & NETIF_F_RXHASH)) + return; + + rss_type = le16_to_cpu(rx_desc->wb.lower.lo_dword.hs_rss.pkt_info) & + IXGBE_RXDADV_RSSTYPE_MASK; + + if (!rss_type) + return; + + skb_set_hash(skb, le32_to_cpu(rx_desc->wb.lower.hi_dword.rss), + (IXGBE_RSS_L4_TYPES_MASK & (1ul << rss_type)) ? + PKT_HASH_TYPE_L4 : PKT_HASH_TYPE_L3); +} + /** * ixgbevf_rx_checksum - indicate in skb if hw indicated a good cksum * @ring: structure containig ring specific data @@ -506,6 +532,7 @@ static void ixgbevf_process_skb_fields(struct ixgbevf_ring *rx_ring, union ixgbe_adv_rx_desc *rx_desc, struct sk_buff *skb) { + ixgbevf_rx_hash(rx_ring, rx_desc, skb); ixgbevf_rx_checksum(rx_ring, rx_desc, skb); if (ixgbevf_test_staterr(rx_desc, IXGBE_RXD_STAT_VP)) { |