diff options
| author | govindarajulu.v <govindarajulu90@gmail.com> | 2013-09-04 11:17:15 +0530 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-09-05 12:39:32 -0400 |
| commit | bf751ba802fe57f4f3aa5555e1446387912bef9e (patch) | |
| tree | 0a5235d40b8235e6835acf12825da34a8ffe15e4 /drivers/net | |
| parent | 822473b6c4e207a8af08518afce5dd2f2e13d765 (diff) | |
| download | linux-bf751ba802fe57f4f3aa5555e1446387912bef9e.tar.bz2 | |
driver/net: enic: record q_number and rss_hash for skb
The following patch sets the skb->rxhash and skb->q_number.
This is used by RPS and RFS. Kernel can make use of hw provided hash
instead of calculating the hash.
Signed-off-by: Govindarajulu Varadarajan <govindarajulu90@gmail.com>
Signed-off-by: Nishank Trivedi <nistrive@cisco.com>
Signed-off-by: Christian Benvenuti <benve@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/cisco/enic/enic_main.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index 1ab3f1809c14..93898baa25db 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -1034,6 +1034,14 @@ static void enic_rq_indicate_buf(struct vnic_rq *rq, skb_put(skb, bytes_written); skb->protocol = eth_type_trans(skb, netdev); + skb_record_rx_queue(skb, q_number); + if (netdev->features & NETIF_F_RXHASH) { + skb->rxhash = rss_hash; + if (rss_type & (NIC_CFG_RSS_HASH_TYPE_TCP_IPV6_EX | + NIC_CFG_RSS_HASH_TYPE_TCP_IPV6 | + NIC_CFG_RSS_HASH_TYPE_TCP_IPV4)) + skb->l4_rxhash = true; + } if ((netdev->features & NETIF_F_RXCSUM) && !csum_not_calc) { skb->csum = htons(checksum); @@ -2209,6 +2217,7 @@ static int enic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } netif_set_real_num_tx_queues(netdev, enic->wq_count); + netif_set_real_num_rx_queues(netdev, enic->rq_count); /* Setup notification timer, HW reset task, and wq locks */ @@ -2258,6 +2267,8 @@ static int enic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (ENIC_SETTING(enic, TSO)) netdev->hw_features |= NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_TSO_ECN; + if (ENIC_SETTING(enic, RSS)) + netdev->hw_features |= NETIF_F_RXHASH; if (ENIC_SETTING(enic, RXCSUM)) netdev->hw_features |= NETIF_F_RXCSUM; |