diff options
Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_txrx.c')
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_txrx.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index 7d0a5ea08656..57dc5d23a808 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -1429,7 +1429,8 @@ static inline void i40e_rx_checksum(struct i40e_vsi *vsi, * so the total length of IPv4 header is IHL*4 bytes * The UDP_0 bit *may* bet set if the *inner* header is UDP */ - if (ipv4_tunnel) { + if (!(vsi->back->flags & I40E_FLAG_OUTER_UDP_CSUM_CAPABLE) && + (ipv4_tunnel)) { skb->transport_header = skb->mac_header + sizeof(struct ethhdr) + (ip_hdr(skb)->ihl * 4); @@ -2301,11 +2302,15 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 *tx_flags, struct iphdr *this_ip_hdr; u32 network_hdr_len; u8 l4_hdr = 0; + struct udphdr *oudph; + struct iphdr *oiph; u32 l4_tunnel = 0; if (skb->encapsulation) { switch (ip_hdr(skb)->protocol) { case IPPROTO_UDP: + oudph = udp_hdr(skb); + oiph = ip_hdr(skb); l4_tunnel = I40E_TXD_CTX_UDP_TUNNELING; *tx_flags |= I40E_TX_FLAGS_VXLAN_TUNNEL; break; @@ -2342,6 +2347,15 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 *tx_flags, *tx_flags &= ~I40E_TX_FLAGS_IPV4; *tx_flags |= I40E_TX_FLAGS_IPV6; } + if ((tx_ring->flags & I40E_TXR_FLAGS_OUTER_UDP_CSUM) && + (l4_tunnel == I40E_TXD_CTX_UDP_TUNNELING) && + (*cd_tunneling & I40E_TXD_CTX_QW0_EXT_IP_MASK)) { + oudph->check = ~csum_tcpudp_magic(oiph->saddr, + oiph->daddr, + (skb->len - skb_transport_offset(skb)), + IPPROTO_UDP, 0); + *cd_tunneling |= I40E_TXD_CTX_QW0_L4T_CS_MASK; + } } else { network_hdr_len = skb_network_header_len(skb); this_ip_hdr = ip_hdr(skb); |