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net: systemport: Remove short packet padding 

Short packet padding added to the driver is only necessary when using
Broadcom tags, but since this is now taken care of net/dsa/tag_brcm.c,
we are guaranteed being given correctly padded packets.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Florian Fainelli 2018-01-03 22:13:01 -08:00 committed by David S. Miller
parent bf08c34086
commit 398aff64d5
1 changed files with 0 additions and 12 deletions
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12
drivers/net/ethernet/broadcom/bcmsysport.c
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@ -1216,18 +1216,6 @@ static netdev_tx_t bcm_sysport_xmit(struct sk_buff *skb,
goto out;
}
/* The Ethernet switch we are interfaced with needs packets to be at
* least 64 bytes (including FCS) otherwise they will be discarded when
* they enter the switch port logic. When Broadcom tags are enabled, we
* need to make sure that packets are at least 68 bytes
* (including FCS and tag) because the length verification is done after
* the Broadcom tag is stripped off the ingress packet.
*/
if (skb_put_padto(skb, ETH_ZLEN + ENET_BRCM_TAG_LEN)) {
ret = NETDEV_TX_OK;
goto out;
}
/* Insert TSB and checksum infos */
if (priv->tsb_en) {
skb = bcm_sysport_insert_tsb(skb, dev);