Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[uclinux-h8/linux.git] / net / sched / act_meta_mark.c

diff --git a/net/sched/act_meta_mark.c b/net/sched/act_meta_mark.c
new file mode 100644 (file)
index 0000000..8289217
--- /dev/null
+++ b/net/sched/act_meta_mark.c
@@ -0,0 +1,79 @@
+/*
+ * net/sched/act_meta_mark.c IFE skb->mark metadata module
+ *
+ *             This program is free software; you can redistribute it and/or
+ *             modify it under the terms of the GNU General Public License
+ *             as published by the Free Software Foundation; either version
+ *             2 of the License, or (at your option) any later version.
+ *
+ * copyright Jamal Hadi Salim (2015)
+ *
+*/
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/skbuff.h>
+#include <linux/rtnetlink.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <net/netlink.h>
+#include <net/pkt_sched.h>
+#include <uapi/linux/tc_act/tc_ife.h>
+#include <net/tc_act/tc_ife.h>
+#include <linux/rtnetlink.h>
+
+static int skbmark_encode(struct sk_buff *skb, void *skbdata,
+                         struct tcf_meta_info *e)
+{
+       u32 ifemark = skb->mark;
+
+       return ife_encode_meta_u32(ifemark, skbdata, e);
+}
+
+static int skbmark_decode(struct sk_buff *skb, void *data, u16 len)
+{
+       u32 ifemark = *(u32 *)data;
+
+       skb->mark = ntohl(ifemark);
+       return 0;
+}
+
+static int skbmark_check(struct sk_buff *skb, struct tcf_meta_info *e)
+{
+       return ife_check_meta_u32(skb->mark, e);
+}
+
+static struct tcf_meta_ops ife_skbmark_ops = {
+       .metaid = IFE_META_SKBMARK,
+       .metatype = NLA_U32,
+       .name = "skbmark",
+       .synopsis = "skb mark 32 bit metadata",
+       .check_presence = skbmark_check,
+       .encode = skbmark_encode,
+       .decode = skbmark_decode,
+       .get = ife_get_meta_u32,
+       .alloc = ife_alloc_meta_u32,
+       .release = ife_release_meta_gen,
+       .validate = ife_validate_meta_u32,
+       .owner = THIS_MODULE,
+};
+
+static int __init ifemark_init_module(void)
+{
+       return register_ife_op(&ife_skbmark_ops);
+}
+
+static void __exit ifemark_cleanup_module(void)
+{
+       unregister_ife_op(&ife_skbmark_ops);
+}
+
+module_init(ifemark_init_module);
+module_exit(ifemark_cleanup_module);
+
+MODULE_AUTHOR("Jamal Hadi Salim(2015)");
+MODULE_DESCRIPTION("Inter-FE skb mark metadata module");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_IFE_META(IFE_META_SKBMARK);