diff mbox series

[v3,net-next,06/12] net: dsa: tag_mtk: let DSA core deal with TX reallocation

Message ID 20201101191620.589272-7-vladimir.oltean@nxp.com (mailing list archive)
State Not Applicable
Delegated to: Netdev Maintainers
Headers show
Series Generic TX reallocation for DSA | expand

Commit Message

Vladimir Oltean Nov. 1, 2020, 7:16 p.m. UTC 
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: DENG Qingfang <dqfext@gmail.com>
Cc: Sean Wang <sean.wang@mediatek.com>
Cc: John Crispin <john@phrozen.org>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
---
Changes in v3:
None.

Changes in v2:
None.

 net/dsa/tag_mtk.c | 3 ---
 1 file changed, 3 deletions(-)

Comments

Florian Fainelli Nov. 2, 2020, 8:45 p.m. UTC | #1 
On 11/1/2020 11:16 AM, Vladimir Oltean wrote:
> 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: DENG Qingfang <dqfext@gmail.com>
> Cc: Sean Wang <sean.wang@mediatek.com>
> Cc: John Crispin <john@phrozen.org>
> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>

Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
diff mbox series

Patch

diff --git a/net/dsa/tag_mtk.c b/net/dsa/tag_mtk.c
index 4cdd9cf428fb..38dcdded74c0 100644
--- a/net/dsa/tag_mtk.c
+++ b/net/dsa/tag_mtk.c
@@ -34,9 +34,6 @@  static struct sk_buff *mtk_tag_xmit(struct sk_buff *skb,
 	 * table with VID.
 	 */
 	if (!skb_vlan_tagged(skb)) {
-		if (skb_cow_head(skb, MTK_HDR_LEN) < 0)
-			return NULL;
-
 		skb_push(skb, MTK_HDR_LEN);
 		memmove(skb->data, skb->data + MTK_HDR_LEN, 2 * ETH_ALEN);
 		is_vlan_skb = false;