1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __NET_TC_MIR_H
3 #define __NET_TC_MIR_H
4 
5 #include <net/act_api.h>
6 #include <linux/tc_act/tc_mirred.h>
7 
8 struct tcf_mirred {
9 	struct tc_action	common;
10 	int			tcfm_eaction;
11 	bool			tcfm_mac_header_xmit;
12 	struct net_device __rcu	*tcfm_dev;
13 	netdevice_tracker	tcfm_dev_tracker;
14 	struct list_head	tcfm_list;
15 };
16 #define to_mirred(a) ((struct tcf_mirred *)a)
17 
is_tcf_mirred_egress_redirect(const struct tc_action * a)18 static inline bool is_tcf_mirred_egress_redirect(const struct tc_action *a)
19 {
20 #ifdef CONFIG_NET_CLS_ACT
21 	if (a->ops && a->ops->id == TCA_ID_MIRRED)
22 		return to_mirred(a)->tcfm_eaction == TCA_EGRESS_REDIR;
23 #endif
24 	return false;
25 }
26 
is_tcf_mirred_egress_mirror(const struct tc_action * a)27 static inline bool is_tcf_mirred_egress_mirror(const struct tc_action *a)
28 {
29 #ifdef CONFIG_NET_CLS_ACT
30 	if (a->ops && a->ops->id == TCA_ID_MIRRED)
31 		return to_mirred(a)->tcfm_eaction == TCA_EGRESS_MIRROR;
32 #endif
33 	return false;
34 }
35 
is_tcf_mirred_ingress_redirect(const struct tc_action * a)36 static inline bool is_tcf_mirred_ingress_redirect(const struct tc_action *a)
37 {
38 #ifdef CONFIG_NET_CLS_ACT
39 	if (a->ops && a->ops->id == TCA_ID_MIRRED)
40 		return to_mirred(a)->tcfm_eaction == TCA_INGRESS_REDIR;
41 #endif
42 	return false;
43 }
44 
is_tcf_mirred_ingress_mirror(const struct tc_action * a)45 static inline bool is_tcf_mirred_ingress_mirror(const struct tc_action *a)
46 {
47 #ifdef CONFIG_NET_CLS_ACT
48 	if (a->ops && a->ops->id == TCA_ID_MIRRED)
49 		return to_mirred(a)->tcfm_eaction == TCA_INGRESS_MIRROR;
50 #endif
51 	return false;
52 }
53 
tcf_mirred_dev(const struct tc_action * a)54 static inline struct net_device *tcf_mirred_dev(const struct tc_action *a)
55 {
56 	return rtnl_dereference(to_mirred(a)->tcfm_dev);
57 }
58 
59 #endif /* __NET_TC_MIR_H */
60