diff options
| -rw-r--r-- | include/net/act_api.h | 2 | ||||
| -rw-r--r-- | net/sched/act_mirred.c | 12 |
2 files changed, 14 insertions, 0 deletions
diff --git a/include/net/act_api.h b/include/net/act_api.h index d8eae87ea778..9dddf77a69cc 100644 --- a/include/net/act_api.h +++ b/include/net/act_api.h @@ -119,6 +119,8 @@ struct tc_action_ops { int (*walk)(struct net *, struct sk_buff *, struct netlink_callback *, int, const struct tc_action_ops *); void (*stats_update)(struct tc_action *, u64, u32, u64); + int (*get_dev)(const struct tc_action *a, struct net *net, + struct net_device **mirred_dev); }; struct tc_action_net { diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c index 1af7baa732a3..bb09ba3ca5c2 100644 --- a/net/sched/act_mirred.c +++ b/net/sched/act_mirred.c @@ -315,6 +315,17 @@ static struct notifier_block mirred_device_notifier = { .notifier_call = mirred_device_event, }; +static int tcf_mirred_device(const struct tc_action *a, struct net *net, + struct net_device **mirred_dev) +{ + int ifindex = tcf_mirred_ifindex(a); + + *mirred_dev = __dev_get_by_index(net, ifindex); + if (!mirred_dev) + return -EINVAL; + return 0; +} + static struct tc_action_ops act_mirred_ops = { .kind = "mirred", .type = TCA_ACT_MIRRED, @@ -327,6 +338,7 @@ static struct tc_action_ops act_mirred_ops = { .walk = tcf_mirred_walker, .lookup = tcf_mirred_search, .size = sizeof(struct tcf_mirred), + .get_dev = tcf_mirred_device, }; static __net_init int mirred_init_net(struct net *net) |