diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_txrx.c | 38 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40evf/i40e_txrx.c | 41 |
2 files changed, 49 insertions, 30 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index 5cc7e711068d..1404cae04b83 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -2409,13 +2409,28 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 *tx_flags, l4.hdr = skb_transport_header(skb); if (skb->encapsulation) { - switch (ip_hdr(skb)->protocol) { + /* define outer network header type */ + if (*tx_flags & I40E_TX_FLAGS_IPV4) { + if (*tx_flags & I40E_TX_FLAGS_TSO) + *cd_tunneling |= I40E_TX_CTX_EXT_IP_IPV4; + else + *cd_tunneling |= + I40E_TX_CTX_EXT_IP_IPV4_NO_CSUM; + l4_proto = ip.v4->protocol; + } else if (*tx_flags & I40E_TX_FLAGS_IPV6) { + *cd_tunneling |= I40E_TX_CTX_EXT_IP_IPV6; + l4_proto = ip.v6->nexthdr; + } + + /* define outer transport */ + switch (l4_proto) { case IPPROTO_UDP: l4_tunnel = I40E_TXD_CTX_UDP_TUNNELING; *tx_flags |= I40E_TX_FLAGS_UDP_TUNNEL; break; case IPPROTO_GRE: l4_tunnel = I40E_TXD_CTX_GRE_TUNNELING; + *tx_flags |= I40E_TX_FLAGS_UDP_TUNNEL; break; default: return; @@ -2424,17 +2439,7 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 *tx_flags, /* switch L4 header pointer from outer to inner */ ip.hdr = skb_inner_network_header(skb); l4.hdr = skb_inner_transport_header(skb); - - if (*tx_flags & I40E_TX_FLAGS_IPV4) { - if (*tx_flags & I40E_TX_FLAGS_TSO) { - *cd_tunneling |= I40E_TX_CTX_EXT_IP_IPV4; - } else { - *cd_tunneling |= - I40E_TX_CTX_EXT_IP_IPV4_NO_CSUM; - } - } else if (*tx_flags & I40E_TX_FLAGS_IPV6) { - *cd_tunneling |= I40E_TX_CTX_EXT_IP_IPV6; - } + l4_proto = 0; /* Now set the ctx descriptor fields */ *cd_tunneling |= (skb_network_header_len(skb) >> 2) << @@ -2443,10 +2448,13 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 *tx_flags, ((skb_inner_network_offset(skb) - skb_transport_offset(skb)) >> 1) << I40E_TXD_CTX_QW0_NATLEN_SHIFT; - if (ip.v6->version == 6) { - *tx_flags &= ~I40E_TX_FLAGS_IPV4; + + /* reset type as we transition from outer to inner headers */ + *tx_flags &= ~(I40E_TX_FLAGS_IPV4 | I40E_TX_FLAGS_IPV6); + if (ip.v4->version == 4) + *tx_flags |= I40E_TX_FLAGS_IPV4; + if (ip.v6->version == 6) *tx_flags |= I40E_TX_FLAGS_IPV6; - } } /* Enable IP checksum offloads */ diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c index 29af3c9fc120..39d5f807f08c 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c @@ -1626,11 +1626,29 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 *tx_flags, l4.hdr = skb_transport_header(skb); if (skb->encapsulation) { - switch (ip_hdr(skb)->protocol) { + /* define outer network header type */ + if (*tx_flags & I40E_TX_FLAGS_IPV4) { + if (*tx_flags & I40E_TX_FLAGS_TSO) + *cd_tunneling |= I40E_TX_CTX_EXT_IP_IPV4; + else + *cd_tunneling |= + I40E_TX_CTX_EXT_IP_IPV4_NO_CSUM; + l4_proto = ip.v4->protocol; + } else if (*tx_flags & I40E_TX_FLAGS_IPV6) { + *cd_tunneling |= I40E_TX_CTX_EXT_IP_IPV6; + l4_proto = ip.v6->nexthdr; + } + + /* define outer transport */ + switch (l4_proto) { case IPPROTO_UDP: l4_tunnel = I40E_TXD_CTX_UDP_TUNNELING; *tx_flags |= I40E_TX_FLAGS_VXLAN_TUNNEL; break; + case IPPROTO_GRE: + l4_tunnel = I40E_TXD_CTX_GRE_TUNNELING; + *tx_flags |= I40E_TX_FLAGS_VXLAN_TUNNEL; + break; default: return; } @@ -1638,17 +1656,7 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 *tx_flags, /* switch L4 header pointer from outer to inner */ ip.hdr = skb_inner_network_header(skb); l4.hdr = skb_inner_transport_header(skb); - - if (*tx_flags & I40E_TX_FLAGS_IPV4) { - if (*tx_flags & I40E_TX_FLAGS_TSO) { - *cd_tunneling |= I40E_TX_CTX_EXT_IP_IPV4; - } else { - *cd_tunneling |= - I40E_TX_CTX_EXT_IP_IPV4_NO_CSUM; - } - } else if (*tx_flags & I40E_TX_FLAGS_IPV6) { - *cd_tunneling |= I40E_TX_CTX_EXT_IP_IPV6; - } + l4_proto = 0; /* Now set the ctx descriptor fields */ *cd_tunneling |= (skb_network_header_len(skb) >> 2) << @@ -1657,10 +1665,13 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 *tx_flags, ((skb_inner_network_offset(skb) - skb_transport_offset(skb)) >> 1) << I40E_TXD_CTX_QW0_NATLEN_SHIFT; - if (ip.v6->version == 6) { - *tx_flags &= ~I40E_TX_FLAGS_IPV4; + + /* reset type as we transition from outer to inner headers */ + *tx_flags &= ~(I40E_TX_FLAGS_IPV4 | I40E_TX_FLAGS_IPV6); + if (ip.v4->version == 4) + *tx_flags |= I40E_TX_FLAGS_IPV4; + if (ip.v6->version == 6) *tx_flags |= I40E_TX_FLAGS_IPV6; - } } /* Enable IP checksum offloads */ |