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 	u32                     tcfm_blockid;
12 	bool			tcfm_mac_header_xmit;
13 	struct net_device __rcu	*tcfm_dev;
14 	netdevice_tracker	tcfm_dev_tracker;
15 	struct list_head	tcfm_list;
16 };
17 #define to_mirred(a) ((struct tcf_mirred *)a)
18 
is_tcf_mirred_egress_redirect(const struct tc_action * a)19 static inline bool is_tcf_mirred_egress_redirect(const struct tc_action *a)
20 {
21 #ifdef CONFIG_NET_CLS_ACT
22 	if (a->ops && a->ops->id == TCA_ID_MIRRED)
23 		return to_mirred(a)->tcfm_eaction == TCA_EGRESS_REDIR;
24 #endif
25 	return false;
26 }
27 
is_tcf_mirred_egress_mirror(const struct tc_action * a)28 static inline bool is_tcf_mirred_egress_mirror(const struct tc_action *a)
29 {
30 #ifdef CONFIG_NET_CLS_ACT
31 	if (a->ops && a->ops->id == TCA_ID_MIRRED)
32 		return to_mirred(a)->tcfm_eaction == TCA_EGRESS_MIRROR;
33 #endif
34 	return false;
35 }
36 
is_tcf_mirred_ingress_redirect(const struct tc_action * a)37 static inline bool is_tcf_mirred_ingress_redirect(const struct tc_action *a)
38 {
39 #ifdef CONFIG_NET_CLS_ACT
40 	if (a->ops && a->ops->id == TCA_ID_MIRRED)
41 		return to_mirred(a)->tcfm_eaction == TCA_INGRESS_REDIR;
42 #endif
43 	return false;
44 }
45 
is_tcf_mirred_ingress_mirror(const struct tc_action * a)46 static inline bool is_tcf_mirred_ingress_mirror(const struct tc_action *a)
47 {
48 #ifdef CONFIG_NET_CLS_ACT
49 	if (a->ops && a->ops->id == TCA_ID_MIRRED)
50 		return to_mirred(a)->tcfm_eaction == TCA_INGRESS_MIRROR;
51 #endif
52 	return false;
53 }
54 
tcf_mirred_dev(const struct tc_action * a)55 static inline struct net_device *tcf_mirred_dev(const struct tc_action *a)
56 {
57 	return rtnl_dereference(to_mirred(a)->tcfm_dev);
58 }
59 
60 #endif /* __NET_TC_MIR_H */
61