diff options
| author | Matthew Finlay <matt@mellanox.com> | 2016-02-22 19:17:33 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-02-24 21:50:22 +0300 |
| commit | 9879515895ffe46a424d00ad5ce92e32fd61790b (patch) | |
| tree | de9ec3f3b4f78ab4f3671b79f2d697c54ccfe4dc /drivers | |
| parent | b3f63c3d5e2cbb9c800516ef47e32d8cb0cf237b (diff) | |
| download | linux-9879515895ffe46a424d00ad5ce92e32fd61790b.tar.xz | |
net/mlx5e: Add TX stateless offloads for tunneling
Add support for TSO and TX checksum when using hw assisted,
tunneled offloads.
Signed-off-by: Matthew Finlay <matt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_tx.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c index 00d855ae03c2..6ce2884388cc 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2015, Mellanox Technologies. All rights reserved. + * Copyright (c) 2015-2016, Mellanox Technologies. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU @@ -185,9 +185,14 @@ static netdev_tx_t mlx5e_sq_xmit(struct mlx5e_sq *sq, struct sk_buff *skb) memset(wqe, 0, sizeof(*wqe)); - if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) - eseg->cs_flags = MLX5_ETH_WQE_L3_CSUM | MLX5_ETH_WQE_L4_CSUM; - else + if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) { + eseg->cs_flags = MLX5_ETH_WQE_L3_CSUM; + if (skb->encapsulation) + eseg->cs_flags |= MLX5_ETH_WQE_L3_INNER_CSUM | + MLX5_ETH_WQE_L4_INNER_CSUM; + else + eseg->cs_flags |= MLX5_ETH_WQE_L4_CSUM; + } else sq->stats.csum_offload_none++; if (sq->cc != sq->prev_cc) { @@ -200,8 +205,13 @@ static netdev_tx_t mlx5e_sq_xmit(struct mlx5e_sq *sq, struct sk_buff *skb) eseg->mss = cpu_to_be16(skb_shinfo(skb)->gso_size); opcode = MLX5_OPCODE_LSO; - ihs = skb_transport_offset(skb) + tcp_hdrlen(skb); - payload_len = skb->len - ihs; + + if (skb->encapsulation) + ihs = skb_inner_transport_offset(skb) + inner_tcp_hdrlen(skb); + else + ihs = skb_transport_offset(skb) + tcp_hdrlen(skb); + + payload_len = skb->len - ihs; wi->num_bytes = skb->len + (skb_shinfo(skb)->gso_segs - 1) * ihs; sq->stats.tso_packets++; |