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mlxsw: spectrum: Don't count internal TX header bytes to stats 

Stop the SW TX counter from counting the TX header bytes
since they are not being sent out.

Fixes: 56ade8fe3f ("mlxsw: spectrum: Add initial support for Spectrum ASIC")
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nogah Frankel 2016-06-17 15:09:05 +02:00 committed by David S. Miller
parent f1d048f24e
commit 63dcdd35c1
1 changed files with 5 additions and 1 deletions
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6
drivers/net/ethernet/mellanox/mlxsw/spectrum.c
View File

@ -408,7 +408,11 @@ static netdev_tx_t mlxsw_sp_port_xmit(struct sk_buff *skb,
} }
mlxsw_sp_txhdr_construct(skb, &tx_info); mlxsw_sp_txhdr_construct(skb, &tx_info);
len = skb->len; /* TX header is consumed by HW on the way so we shouldn't count its
* bytes as being sent.
*/
len = skb->len - MLXSW_TXHDR_LEN;
/* Due to a race we might fail here because of a full queue. In that /* Due to a race we might fail here because of a full queue. In that
* unlikely case we simply drop the packet. * unlikely case we simply drop the packet.
*/ */