skb_needs_linearize (9) Linux Manual Page
skb_needs_linearize – check if we need to linearize a given skb depending on the given device features.
Synopsis
- bool skb_needs_linearize(struct sk_buff
* skb, netdev_features_tfeatures);
Arguments
skb
-
- socket buffer to check
features
- net device features
Description
Returns true if either: 1. skb has frag_list and the device doesn’t support FRAGLIST, or 2. skb is fragmented and the device does not support SG.