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Commit 255cb304 authored by Hadar Hen Zion's avatar Hadar Hen Zion Committed by David S. Miller
Browse files

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: default avatarHadar Hen Zion <hadarh@mellanox.com>
Reviewed-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3036dab6

include/net/act_api.h

+2 −0
Original line number Diff line number Diff line
@@ -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 {

net/sched/act_mirred.c

+12 −0
Original line number Diff line number Diff line
@@ -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)