[NETFILTER]: x_tables: add data member to struct xt_match

Shared match functions can use this to make runtime decisions basen on the
used match.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
index 9d97102..03d1027 100644 (file)
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -185,6 +185,9 @@ struct xt_match
        /* Set this to THIS_MODULE if you are a module, otherwise NULL */
        struct module *me;
 
+       /* Free to use by each match */
+       unsigned long data;
+
        char *table;
        unsigned int matchsize;
        unsigned int hooks;