sk_run_filter

Name

sk_run_filter --  run a filter on a socket

Synopsis

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.