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| author |   Hadar Hen Zion <hadarh@mellanox.com> | 2016-12-01 14:06:36 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-12-02 13:28:36 -0500 |
| commit | 255cb30425c0ced57d6d85f3e7cddb99b9576046 (patch) | |
| tree | 757ac8b0039f730754d70d633eafe1fdd3bb87e5 | |
| parent | net/sched: cls_flower: Provide a filter to replace/destroy hardware filter functions (diff) | |
| download | wireguard-linux-255cb30425c0ced57d6d85f3e7cddb99b9576046.tar.xz wireguard-linux-255cb30425c0ced57d6d85f3e7cddb99b9576046.zip | |
net/sched: act_mirred: Add new tc_action_ops get_dev()
Adding support to a new tc_action_ops.
get_dev is a general option which allows to get the underline
device when trying to offload a tc rule.
In case of mirred action the returned device is the mirred (egress)
device.
Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -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) |