From 45a5ead0220cc7cc70f6961879decffbd0a54cc0 Mon Sep 17 00:00:00 2001 From: Jesse Brandeburg Date: Mon, 27 Apr 2009 22:36:35 +0000 Subject: [PATCH] ixgbe: enable hardware offload for sctp Inspired by: Vlad Yasevich This is the code to enable ixgbe for hardware offload support of CRC32c on both transmit and receive of SCTP traffic. only 82599 supports this offload, not 82598. Signed-off-by: Jesse Brandeburg Signed-off-by: Jeff Kirsher Signed-off-by: David S. Miller --- drivers/net/ixgbe/ixgbe_ethtool.c | 11 +++++++++-- drivers/net/ixgbe/ixgbe_main.c | 9 +++++++++ 2 files changed, 18 insertions(+), 2 deletions(-) diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c index f0a20fa..a499b6b 100644 --- a/drivers/net/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ixgbe/ixgbe_ethtool.c @@ -311,10 +311,17 @@ static u32 ixgbe_get_tx_csum(struct net_device *netdev) static int ixgbe_set_tx_csum(struct net_device *netdev, u32 data) { - if (data) + struct ixgbe_adapter *adapter = netdev_priv(netdev); + + if (data) { netdev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM); - else + if (adapter->hw.mac.type == ixgbe_mac_82599EB) + netdev->features |= NETIF_F_SCTP_CSUM; + } else { netdev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM); + if (adapter->hw.mac.type == ixgbe_mac_82599EB) + netdev->features &= ~NETIF_F_SCTP_CSUM; + } return 0; } diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index 42b803d..c3dff8f 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -4189,12 +4189,18 @@ static bool ixgbe_tx_csum(struct ixgbe_adapter *adapter, if (ip_hdr(skb)->protocol == IPPROTO_TCP) type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_L4T_TCP; + else if (ip_hdr(skb)->protocol == IPPROTO_SCTP) + type_tucmd_mlhl |= + IXGBE_ADVTXD_TUCMD_L4T_SCTP; break; case cpu_to_be16(ETH_P_IPV6): /* XXX what about other V6 headers?? */ if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP) type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_L4T_TCP; + else if (ipv6_hdr(skb)->nexthdr == IPPROTO_SCTP) + type_tucmd_mlhl |= + IXGBE_ADVTXD_TUCMD_L4T_SCTP; break; default: if (unlikely(net_ratelimit())) { @@ -4718,6 +4724,9 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, netdev->features |= NETIF_F_TSO6; netdev->features |= NETIF_F_GRO; + if (adapter->hw.mac.type == ixgbe_mac_82599EB) + netdev->features |= NETIF_F_SCTP_CSUM; + netdev->vlan_features |= NETIF_F_TSO; netdev->vlan_features |= NETIF_F_TSO6; netdev->vlan_features |= NETIF_F_IP_CSUM; -- 1.8.2.3