diff options
| author | Michael Chan <mchan@broadcom.com> | 2010-07-03 20:42:16 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-07-04 18:44:00 (GMT) |
| commit | fdc8541d693a04ba3d6c335dace19b8362ac4e83 (patch) | |
| tree | 562c2b0bb62f52d21ca98d0d8a3e05fb325bf8af | |
| parent | 3d5f3a7bbd06065b06c7f65f948437ded40255ec (diff) | |
| download | linux-fdc8541d693a04ba3d6c335dace19b8362ac4e83.tar.xz | |
bnx2: Add support for skb->rxhash.
Add skb->rxhash support for TCP packets only because the bnx2 RSS hash
does not hash UDP ports.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/bnx2.c | 15 | ||||
| -rw-r--r-- | drivers/net/bnx2.h | 3 |
2 files changed, 17 insertions, 1 deletions
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 0614ca0..1450c75 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -3219,6 +3219,10 @@ bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget) L2_FHDR_ERRORS_UDP_XSUM)) == 0)) skb->ip_summed = CHECKSUM_UNNECESSARY; } + if ((bp->dev->features & NETIF_F_RXHASH) && + ((status & L2_FHDR_STATUS_USE_RXHASH) == + L2_FHDR_STATUS_USE_RXHASH)) + skb->rxhash = rx_hdr->l2_fhdr_hash; skb_record_rx_queue(skb, bnapi - &bp->bnx2_napi[0]); @@ -7558,6 +7562,12 @@ bnx2_set_tx_csum(struct net_device *dev, u32 data) return (ethtool_op_set_tx_csum(dev, data)); } +static int +bnx2_set_flags(struct net_device *dev, u32 data) +{ + return ethtool_op_set_flags(dev, data, ETH_FLAG_RXHASH); +} + static const struct ethtool_ops bnx2_ethtool_ops = { .get_settings = bnx2_get_settings, .set_settings = bnx2_set_settings, @@ -7587,6 +7597,8 @@ static const struct ethtool_ops bnx2_ethtool_ops = { .phys_id = bnx2_phys_id, .get_ethtool_stats = bnx2_get_ethtool_stats, .get_sset_count = bnx2_get_sset_count, + .set_flags = bnx2_set_flags, + .get_flags = ethtool_op_get_flags, }; /* Called with rtnl_lock */ @@ -8333,7 +8345,8 @@ bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) memcpy(dev->dev_addr, bp->mac_addr, 6); memcpy(dev->perm_addr, bp->mac_addr, 6); - dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_GRO; + dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_GRO | + NETIF_F_RXHASH; vlan_features_add(dev, NETIF_F_IP_CSUM | NETIF_F_SG); if (CHIP_NUM(bp) == CHIP_NUM_5709) { dev->features |= NETIF_F_IPV6_CSUM; diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h index ddaa3fc..b9af6bc 100644 --- a/drivers/net/bnx2.h +++ b/drivers/net/bnx2.h @@ -295,6 +295,9 @@ struct l2_fhdr { #define L2_FHDR_ERRORS_TCP_XSUM (1<<28) #define L2_FHDR_ERRORS_UDP_XSUM (1<<31) + #define L2_FHDR_STATUS_USE_RXHASH \ + (L2_FHDR_STATUS_TCP_SEGMENT | L2_FHDR_STATUS_RSS_HASH) + u32 l2_fhdr_hash; #if defined(__BIG_ENDIAN) u16 l2_fhdr_pkt_len; |