sched: act: ife: update parameters via rcu handling

This patch changes the parameter updating via RCU and not protected by a
spinlock anymore. This reduce the time that the spinlock is being held.

Signed-off-by: Alexander Aring <aring@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 8 insertions, 2 deletions

diff --git a/include/net/tc_act/tc_ife.h b/include/net/tc_act/tc_ife.h
index 104578f16062..c7fb99c3f76c 100644
--- a/include/net/tc_act/tc_ife.h
+++ b/include/net/tc_act/tc_ife.h
@@ -6,12 +6,18 @@
 #include <linux/rtnetlink.h>
 #include <linux/module.h>
 
-struct tcf_ife_info {
-        struct tc_action common;
+struct tcf_ife_params {
         u8 eth_dst[ETH_ALEN];
         u8 eth_src[ETH_ALEN];
         u16 eth_type;
         u16 flags;
+
+        struct rcu_head rcu;
+};
+
+struct tcf_ife_info {
+        struct tc_action common;
+        struct tcf_ife_params __rcu *params;
         /* list of metaids allowed */
         struct list_head metalist;
 };