netfilter: xtables: move extension arguments into compound structure (4/6)

This patch does this for target extensions' target functions.

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>

1 files changed, 17 insertions, 5 deletions

diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
index c79c88380149..46d0cb1ad340 100644
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -218,6 +218,22 @@ struct xt_mtdtor_param {
         void *matchinfo;
 };
 
+/**
+ * struct xt_target_param - parameters for target extensions' target functions
+ *
+ * @hooknum:    hook through which this target was invoked
+ * @target:     struct xt_target through which this function was invoked
+ * @targinfo:   per-target data
+ *
+ * Other fields see above.
+ */
+struct xt_target_param {
+        const struct net_device *in, *out;
+        unsigned int hooknum;
+        const struct xt_target *target;
+        const void *targinfo;
+};
+
 struct xt_match
 {
         struct list_head list;
@@ -269,11 +285,7 @@ struct xt_target
            must now handle non-linear skbs, using skb_copy_bits and
            skb_ip_make_writable. */
         unsigned int (*target)(struct sk_buff *skb,
-                               const struct net_device *in,
-                               const struct net_device *out,
-                               unsigned int hooknum,
-                               const struct xt_target *target,
-                               const void *targinfo);
+                               const struct xt_target_param *);
 
         /* Called when user tries to insert an entry of this type:
            hook_mask is a bitmask of hooks from which it can be