skb_postpull_rcsum(9)
NAME
skb_postpull_rcsum - update checksum for received skb after pull
SYNOPSIS
void skb_postpull_rcsum(struct sk_buff * skb, const void * start,
unsigned int len);
ARGUMENTS
- skb
- buffer to update
- start
- start of data before pull
- len
- length of data pulled
DESCRIPTION
After doing a pull on a received packet, you need to call this to
update the CHECKSUM_COMPLETE checksum, or set ip_summed to
CHECKSUM_NONE so that it can be recomputed from scratch.