sk_run_filter(9)
NAME
sk_run_filter - run a filter on a socket
SYNOPSIS
unsigned int sk_run_filter(struct sk_buff * skb,
struct sock_filter * filter, int flen);
ARGUMENTS
- skb
- buffer to run the filter on
- filter
- filter to apply
- flen
- length of filter
DESCRIPTION
Decode and apply filter instructions to the skb->data. Return length to
keep, 0 for none. skb is the data we are filtering, filter is the array
of filter instructions, and len is the number of filter blocks in the
array.