man skb_needs_linearize (9): check if we need to linearize a given skb depending on the given device features.

skb_needs_linearize(9) 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_t features);

ARGUMENTS

skb

: socket buffer to check

features

: net device features

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.

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