diff mbox

[net-next,2/4] net/sched: act_mirred: Refactor detection whether dev needs xmit at mac header

Message ID 1474550512-7552-3-git-send-email-shmulik.ladkani@gmail.com
State Superseded, archived
Delegated to: David Miller
Headers show

Commit Message

Shmulik Ladkani Sept. 22, 2016, 1:21 p.m. UTC 
From: Shmulik Ladkani <shmulik.ladkani@gmail.com>

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

Signed-off-by: Shmulik Ladkani <shmulik.ladkani@gmail.com>
---
 net/sched/act_mirred.c | 28 +++++++++++++++-------------
 1 file changed, 15 insertions(+), 13 deletions(-)
diff mbox

Patch

diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index 7b03b13..28629d3 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -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 int 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 0;
+	}
+	return 1;
+}
+
 static int tcf_mirred_init(struct net *net, struct nlattr *nla,
 			   struct nlattr *est, struct tc_action **a, int ovr,
 			   int bind)
@@ -95,19 +109,7 @@  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 = 0;
-			break;
-		default:
-			mac_header_xmit = 1;
-			break;
-		}
+		mac_header_xmit = dev_is_mac_header_xmit(dev);
 	} else {
 		dev = NULL;
 	}