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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>
This commit is contained in:
John Hurley 2019-08-04 16:09:05 +01:00 committed by David S. Miller
parent fb1b775a24
commit d7609c96c6
1 changed files with 18 additions and 0 deletions
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18
include/net/tc_act/tc_mirred.h
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@ -32,6 +32,24 @@ static inline bool is_tcf_mirred_egress_mirror(const struct tc_action *a)
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);