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.