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net: dsa: tag_brcm: let DSA core deal with TX reallocation

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[ Upstream commit 2f0d030c5ffec6660f79a32b4f522155f75a9d71 ]

Now that we have a central TX reallocation procedure that accounts for
the tagger's needed headroom in a generic way, we can remove the
skb_cow_head call.

Cc: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Vladimir Oltean 2020-11-01 21:16:17 +02:00 committed by Greg Kroah-Hartman
parent 67fd35c21a
commit 9ad635b75e
1 changed files with 0 additions and 3 deletions
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net/dsa/tag_brcm.c
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@ -66,9 +66,6 @@ static struct sk_buff *brcm_tag_xmit_ll(struct sk_buff *skb,
u16 queue = skb_get_queue_mapping(skb);
u8 *brcm_tag;
if (skb_cow_head(skb, BRCM_TAG_LEN) < 0)
return NULL;
/* 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