Merge pull request raspberrypi#730 from wedsonaf/netfilter

rust: add `net::filter` module

Author: wedsonaf

rust/helpers.c

@@ -558,6 +558,12 @@ void rust_helper_put_net(struct net *net)
 }
 EXPORT_SYMBOL_GPL(rust_helper_put_net);
 
+unsigned int rust_helper_NF_QUEUE_NR(unsigned int n)
+{
+	return NF_QUEUE_NR(n);
+}
+EXPORT_SYMBOL_GPL(rust_helper_NF_QUEUE_NR);
+
 /*
  * We use `bindgen`'s `--size_t-is-usize` option to bind the C `size_t` type
  * as the Rust `usize` type, so we can use it in contexts where Rust

rust/kernel/bindings_helper.h

@@ -32,6 +32,9 @@
 #include <linux/uio.h>
 #include <uapi/linux/android/binder.h>
 #include <linux/netfilter.h>
+#include <linux/netfilter_ipv4.h>
+#include <linux/netfilter_ipv6.h>
+#include <linux/netfilter_arp.h>
 
 /* `bindgen` gets confused at certain things. */
 const gfp_t BINDINGS_GFP_KERNEL = GFP_KERNEL;