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net: sched: cls: add extack support for change callback

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This patch adds extack support for classifier change callback api. This
prepares to handle extack support inside each specific classifier
implementation.

Cc: David Ahern <dsahern@gmail.com>
Signed-off-by: Alexander Aring <aring@mojatatu.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexander Aring
2018-01-18 11:20:51 -05:00
committed by David S. Miller
parent c35a4acc29
commit 7306db38a6
13 changed files with 20 additions and 13 deletions
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3
net/sched/cls_cgroup.c
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@ -91,7 +91,8 @@ static void cls_cgroup_destroy_rcu(struct rcu_head *root)
static int cls_cgroup_change(struct net *net, struct sk_buff *in_skb,
struct tcf_proto *tp, unsigned long base,
u32 handle, struct nlattr **tca,
void **arg, bool ovr)
void **arg, bool ovr,
struct netlink_ext_ack *extack)
{
struct nlattr *tb[TCA_CGROUP_MAX + 1];
struct cls_cgroup_head *head = rtnl_dereference(tp->root);