net: dsa: comment hot path requirements

The DSA layer uses inline helpers and copy of the tagging functions for
faster access in hot path. Add comments to detail that.

Reviewed-by: Florian Fainelli <[email protected]>
Signed-off-by: Vivien Didelot <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Vivien Didelot 2017-06-01 16:07:11 -04:00 • committed by David S. Miller
commit 73a7ece8f7
2 changed files with 4 additions and 0 deletions

View file

@ -73,6 +73,7 @@ struct dsa_device_ops {
};
struct dsa_slave_priv {
/* Copy of dp->ds->dst->tag_ops->xmit for faster access in hot path */
struct sk_buff * (*xmit)(struct sk_buff *skb,
struct net_device *dev);