Provided by: linux-doc-2.6.15_2.6.15-23.39_all bug

NAME

       skb_postpull_rcsum - update checksum for received skb after pull

SYNOPSIS

       void skb_postpull_rcsum  (struct sk_buff * skb, const void * start,
                                  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_HW checksum, or set ip_summed to CHECKSUM_NONE so
       that it can be recomputed from scratch.