linux/include/net/tc_act/tc_mirred.h
John Hurley d7609c96c6 net: tc_act: add helpers to detect ingress mirred actions
TC mirred actions can send to egress or ingress on a given netdev. Helpers
exist to detect actions that are mirred to egress. Extend the header file
to include helpers to detect ingress mirred actions.

Signed-off-by: John Hurley <john.hurley@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-06 14:24:21 -07:00

59 lines
1.4 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __NET_TC_MIR_H
#define __NET_TC_MIR_H
#include <net/act_api.h>
#include <linux/tc_act/tc_mirred.h>
struct tcf_mirred {
struct tc_action common;
int tcfm_eaction;
bool tcfm_mac_header_xmit;
struct net_device __rcu *tcfm_dev;
struct list_head tcfm_list;
};
#define to_mirred(a) ((struct tcf_mirred *)a)
static inline bool is_tcf_mirred_egress_redirect(const struct tc_action *a)
{
#ifdef CONFIG_NET_CLS_ACT
if (a->ops && a->ops->id == TCA_ID_MIRRED)
return to_mirred(a)->tcfm_eaction == TCA_EGRESS_REDIR;
#endif
return false;
}
static inline bool is_tcf_mirred_egress_mirror(const struct tc_action *a)
{
#ifdef CONFIG_NET_CLS_ACT
if (a->ops && a->ops->id == TCA_ID_MIRRED)
return to_mirred(a)->tcfm_eaction == TCA_EGRESS_MIRROR;
#endif
return false;
}
static inline bool is_tcf_mirred_ingress_redirect(const struct tc_action *a)
{
#ifdef CONFIG_NET_CLS_ACT
if (a->ops && a->ops->id == TCA_ID_MIRRED)
return to_mirred(a)->tcfm_eaction == TCA_INGRESS_REDIR;
#endif
return false;
}
static inline bool is_tcf_mirred_ingress_mirror(const struct tc_action *a)
{
#ifdef CONFIG_NET_CLS_ACT
if (a->ops && a->ops->id == TCA_ID_MIRRED)
return to_mirred(a)->tcfm_eaction == TCA_INGRESS_MIRROR;
#endif
return false;
}
static inline struct net_device *tcf_mirred_dev(const struct tc_action *a)
{
return rtnl_dereference(to_mirred(a)->tcfm_dev);
}
#endif /* __NET_TC_MIR_H */