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net/mlx5e: Use skb_shinfo(skb)->gso_segs rather than counting them 

Instead of counting number of gso fragments, we can use
skb_shinfo(skb)->gso_segs.

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Saeed Mahameed 2015-06-23 17:14:15 +03:00 committed by David S. Miller
parent 03289b88e3
commit fb6c6f2529
1 changed files with 1 additions and 4 deletions
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5
drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
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@ -143,16 +143,13 @@ static netdev_tx_t mlx5e_sq_xmit(struct mlx5e_sq *sq, struct sk_buff *skb)
if (skb_is_gso(skb)) {
u32 payload_len;
int num_pkts;
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;
num_pkts = (payload_len / skb_shinfo(skb)->gso_size) +
!!(payload_len % skb_shinfo(skb)->gso_size);
MLX5E_TX_SKB_CB(skb)->num_bytes = skb->len +
(num_pkts - 1) * ihs;
(skb_shinfo(skb)->gso_segs - 1) * ihs;
sq->stats.tso_packets++;
sq->stats.tso_bytes += payload_len;
} else {