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net/mlx5e: Trust kernel regarding transport offset

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After AF_PACKET is fixed to calculate the transport header offset
correctly, trust the value set by the kernel. If the offset wasn't set,
it means there is no transport header in the packet.

Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Reviewed-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Maxim Mikityanskiy 2019-02-21 12:40:05 +00:00 committed by David S. Miller
parent 3517dfe6f2
commit 41f5f63cd1
1 changed files with 0 additions and 4 deletions
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4
drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
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@ -148,12 +148,8 @@ static inline int mlx5e_skb_l2_header_offset(struct sk_buff *skb)
static inline int mlx5e_skb_l3_header_offset(struct sk_buff *skb)
{
struct flow_keys keys;
if (skb_transport_header_was_set(skb))
return skb_transport_offset(skb);
else if (skb_flow_dissect_flow_keys(skb, &keys, 0))
return keys.control.thoff;
else
return mlx5e_skb_l2_header_offset(skb);
}