lib: Replace IP_TYPE_ references with IPPROTO_.

[openvswitch] / datapath / flow.c

diff --git a/datapath/flow.c b/datapath/flow.c
index e90b36a93b5a37f2171d540216a1f277b6f7cd52..eb67cf4503ec08f84647792bfb0e8b60f17c5af6 100644 (file)
--- a/datapath/flow.c
+++ b/datapath/flow.c
@@ -82,6 +82,20 @@ static inline bool icmphdr_ok(struct sk_buff *skb)
        return skb->len >= skb_transport_offset(skb) + sizeof(struct icmphdr);
 }
 
+u64 flow_used_time(unsigned long flow_jiffies)
+{
+       struct timespec cur_ts;
+       u64 cur_ms, idle_ms;
+
+       ktime_get_ts(&cur_ts);
+       idle_ms = jiffies_to_msecs(jiffies - flow_jiffies);
+       cur_ms = (u64)cur_ts.tv_sec * MSEC_PER_SEC +
+                cur_ts.tv_nsec / NSEC_PER_MSEC;
+
+       return cur_ms - idle_ms;
+}
+
+
 #define TCP_FLAGS_OFFSET 13
 #define TCP_FLAG_MASK 0x3f