net_sched: act: pick a different type for act_xt

In tcf_register_action() we check either ->type or ->kind to see if
there is an existing action registered, but ipt action registers two
actions with same type but different kinds. They should have different
types too.

Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/uapi/linux/tc_act/tc_ipt.h b/include/uapi/linux/tc_act/tc_ipt.h
index a233556..130aaad 100644 (file)
--- a/include/uapi/linux/tc_act/tc_ipt.h
+++ b/include/uapi/linux/tc_act/tc_ipt.h
@@ -4,6 +4,7 @@
 #include <linux/pkt_cls.h>
 
 #define TCA_ACT_IPT 6
+#define TCA_ACT_XT 10
 
 enum {
        TCA_IPT_UNSPEC,

diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c
index 484bd19..bc9f498 100644 (file)
--- a/net/sched/act_ipt.c
+++ b/net/sched/act_ipt.c
@@ -298,7 +298,7 @@ static struct tc_action_ops act_ipt_ops = {
 static struct tc_action_ops act_xt_ops = {
        .kind           =       "xt",
        .hinfo          =       &ipt_hash_info,
-       .type           =       TCA_ACT_IPT,
+       .type           =       TCA_ACT_XT,
        .capab          =       TCA_CAP_NONE,
        .owner          =       THIS_MODULE,
        .act            =       tcf_ipt,