datapath: Free up flow_extract() return value for reporting errors.

[sliver-openvswitch.git] / datapath / datapath.h

diff --git a/datapath/datapath.h b/datapath/datapath.h
index 8e27283..abc6aea 100644 (file)
--- a/datapath/datapath.h
+++ b/datapath/datapath.h
@@ -16,6 +16,7 @@
 #include <linux/mutex.h>
 #include <linux/netdevice.h>
 #include <linux/workqueue.h>
+#include <linux/seqlock.h>
 #include <linux/skbuff.h>
 #include <linux/version.h>
 #include "flow.h"
@@ -53,6 +54,7 @@ struct dp_stats_percpu {
        u64 n_hit;
        u64 n_missed;
        u64 n_lost;
+       seqcount_t seqlock;
 };
 
 struct dp_port_group {
@@ -148,11 +150,13 @@ enum csum_type {
  * kernel versions.
  * @tun_id: ID (in network byte order) of the tunnel that encapsulated this
  * packet. It is 0 if the packet was not received on a tunnel.
+ * @is_frag: %true if this packet is an IPv4 fragment, %false otherwise.
  */
 struct ovs_skb_cb {
        struct dp_port          *dp_port;
        enum csum_type          ip_summed;
        __be32                  tun_id;
+       bool                    is_frag;
 };
 #define OVS_CB(skb) ((struct ovs_skb_cb *)(skb)->cb)