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authorVladimir Oltean <vladimir.oltean@nxp.com>2020-11-01 21:16:15 +0200
committerJakub Kicinski <kuba@kernel.org>2020-11-02 17:41:16 -0800
commit6ed94135f58372cdec34cafb60f7596893b0b371 (patch)
treecd703e265798dbc01190aa30ab73de671f142218 /net/dsa
parent941f66beb7bb4e0e4726aa31336d9ccc1c3a3dc2 (diff)
downloadlinux-6ed94135f58372cdec34cafb60f7596893b0b371.tar.bz2
net: dsa: tag_lan9303: let DSA core deal with TX reallocation
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. 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>
Diffstat (limited to 'net/dsa')
-rw-r--r--net/dsa/tag_lan9303.c9
1 files changed, 0 insertions, 9 deletions
diff --git a/net/dsa/tag_lan9303.c b/net/dsa/tag_lan9303.c
index ccfb6f641bbf..aa1318dccaf0 100644
--- a/net/dsa/tag_lan9303.c
+++ b/net/dsa/tag_lan9303.c
@@ -58,15 +58,6 @@ static struct sk_buff *lan9303_xmit(struct sk_buff *skb, struct net_device *dev)
__be16 *lan9303_tag;
u16 tag;
- /* insert a special VLAN tag between the MAC addresses
- * and the current ethertype field.
- */
- if (skb_cow_head(skb, LAN9303_TAG_LEN) < 0) {
- dev_dbg(&dev->dev,
- "Cannot make room for the special tag. Dropping packet\n");
- return NULL;
- }
-
/* provide 'LAN9303_TAG_LEN' bytes additional space */
skb_push(skb, LAN9303_TAG_LEN);