1/*
 2 * net/sched/act_meta_mark.c IFE skb->mark metadata module
 3 *
 4 *		This program is free software; you can redistribute it and/or
 5 *		modify it under the terms of the GNU General Public License
 6 *		as published by the Free Software Foundation; either version
 7 *		2 of the License, or (at your option) any later version.
 8 *
 9 * copyright Jamal Hadi Salim (2015)
10 *
11*/
12
13#include <linux/types.h>
14#include <linux/kernel.h>
15#include <linux/string.h>
16#include <linux/errno.h>
17#include <linux/skbuff.h>
18#include <linux/rtnetlink.h>
19#include <linux/module.h>
20#include <linux/init.h>
21#include <net/netlink.h>
22#include <net/pkt_sched.h>
23#include <uapi/linux/tc_act/tc_ife.h>
24#include <net/tc_act/tc_ife.h>
25#include <linux/rtnetlink.h>
26
27static int skbmark_encode(struct sk_buff *skb, void *skbdata,
28			  struct tcf_meta_info *e)
29{
30	u32 ifemark = skb->mark;
31
32	return ife_encode_meta_u32(ifemark, skbdata, e);
33}
34
35static int skbmark_decode(struct sk_buff *skb, void *data, u16 len)
36{
37	u32 ifemark = *(u32 *)data;
38
39	skb->mark = ntohl(ifemark);
40	return 0;
41}
42
43static int skbmark_check(struct sk_buff *skb, struct tcf_meta_info *e)
44{
45	return ife_check_meta_u32(skb->mark, e);
46}
47
48static struct tcf_meta_ops ife_skbmark_ops = {
49	.metaid = IFE_META_SKBMARK,
50	.metatype = NLA_U32,
51	.name = "skbmark",
52	.synopsis = "skb mark 32 bit metadata",
53	.check_presence = skbmark_check,
54	.encode = skbmark_encode,
55	.decode = skbmark_decode,
56	.get = ife_get_meta_u32,
57	.alloc = ife_alloc_meta_u32,
58	.release = ife_release_meta_gen,
59	.validate = ife_validate_meta_u32,
60	.owner = THIS_MODULE,
61};
62
63static int __init ifemark_init_module(void)
64{
65	return register_ife_op(&ife_skbmark_ops);
66}
67
68static void __exit ifemark_cleanup_module(void)
69{
70	unregister_ife_op(&ife_skbmark_ops);
71}
72
73module_init(ifemark_init_module);
74module_exit(ifemark_cleanup_module);
75
76MODULE_AUTHOR("Jamal Hadi Salim(2015)");
77MODULE_DESCRIPTION("Inter-FE skb mark metadata module");
78MODULE_LICENSE("GPL");
79MODULE_ALIAS_IFE_META(IFE_META_SKBMARK);

 1// SPDX-License-Identifier: GPL-2.0-or-later
 2/*
 3 * net/sched/act_meta_mark.c IFE skb->mark metadata module
 4 *
 
 
 
 
 
 5 * copyright Jamal Hadi Salim (2015)
 
 6*/
 7
 8#include <linux/types.h>
 9#include <linux/kernel.h>
10#include <linux/string.h>
11#include <linux/errno.h>
12#include <linux/skbuff.h>
13#include <linux/rtnetlink.h>
14#include <linux/module.h>
15#include <linux/init.h>
16#include <net/netlink.h>
17#include <net/pkt_sched.h>
18#include <uapi/linux/tc_act/tc_ife.h>
19#include <net/tc_act/tc_ife.h>
 
20
21static int skbmark_encode(struct sk_buff *skb, void *skbdata,
22			  struct tcf_meta_info *e)
23{
24	u32 ifemark = skb->mark;
25
26	return ife_encode_meta_u32(ifemark, skbdata, e);
27}
28
29static int skbmark_decode(struct sk_buff *skb, void *data, u16 len)
30{
31	u32 ifemark = *(u32 *)data;
32
33	skb->mark = ntohl(ifemark);
34	return 0;
35}
36
37static int skbmark_check(struct sk_buff *skb, struct tcf_meta_info *e)
38{
39	return ife_check_meta_u32(skb->mark, e);
40}
41
42static struct tcf_meta_ops ife_skbmark_ops = {
43	.metaid = IFE_META_SKBMARK,
44	.metatype = NLA_U32,
45	.name = "skbmark",
46	.synopsis = "skb mark 32 bit metadata",
47	.check_presence = skbmark_check,
48	.encode = skbmark_encode,
49	.decode = skbmark_decode,
50	.get = ife_get_meta_u32,
51	.alloc = ife_alloc_meta_u32,
52	.release = ife_release_meta_gen,
53	.validate = ife_validate_meta_u32,
54	.owner = THIS_MODULE,
55};
56
57static int __init ifemark_init_module(void)
58{
59	return register_ife_op(&ife_skbmark_ops);
60}
61
62static void __exit ifemark_cleanup_module(void)
63{
64	unregister_ife_op(&ife_skbmark_ops);
65}
66
67module_init(ifemark_init_module);
68module_exit(ifemark_cleanup_module);
69
70MODULE_AUTHOR("Jamal Hadi Salim(2015)");
71MODULE_DESCRIPTION("Inter-FE skb mark metadata module");
72MODULE_LICENSE("GPL");
73MODULE_ALIAS_IFE_META("skbmark");