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net/sched: act_mirred: Refactor detection whether dev needs xmit at mac header

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Move detection logic that tests whether device expects skb data to point
at mac_header upon xmit into a function.

Signed-off-by: Shmulik Ladkani <shmulik.ladkani@gmail.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shmulik Ladkani 2016-10-13 09:06:42 +03:00 committed by David S. Miller
parent 165779231f
commit dcf800344a
1 changed files with 15 additions and 13 deletions
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28
net/sched/act_mirred.c
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@ -54,6 +54,20 @@ static const struct nla_policy mirred_policy[TCA_MIRRED_MAX + 1] = {
static int mirred_net_id;
static struct tc_action_ops act_mirred_ops;
static bool dev_is_mac_header_xmit(const struct net_device *dev)
{
switch (dev->type) {
case ARPHRD_TUNNEL:
case ARPHRD_TUNNEL6:
case ARPHRD_SIT:
case ARPHRD_IPGRE:
case ARPHRD_VOID:
case ARPHRD_NONE:
return false;
}
return true;
}
static int tcf_mirred_init(struct net *net, struct nlattr *nla,
struct nlattr *est, struct tc_action **a, int ovr,
int bind)
@ -96,19 +110,7 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla,
tcf_hash_release(*a, bind);
return -ENODEV;
}
switch (dev->type) {
case ARPHRD_TUNNEL:
case ARPHRD_TUNNEL6:
case ARPHRD_SIT:
case ARPHRD_IPGRE:
case ARPHRD_VOID:
case ARPHRD_NONE:
mac_header_xmit = false;
break;
default:
mac_header_xmit = true;
break;
}
mac_header_xmit = dev_is_mac_header_xmit(dev);
} else {
dev = NULL;
}