X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=datapath%2Fflow.h;h=80a5b66b1018a84aa193d92b9009c5c9f30ac1f6;hb=e2e744a852da97d86594b6ba4b6efeef57086fcf;hp=534c7af24c3f8d4157c7c7427bcaf3f58261dbc6;hpb=9d2094938de6e6d6503a3d0777f64cff945321c3;p=openvswitch

diff --git a/datapath/flow.h b/datapath/flow.h
index 534c7af2..80a5b66b 100644
--- a/datapath/flow.h
+++ b/datapath/flow.h
@@ -14,6 +14,7 @@
 #include <linux/types.h>
 #include <linux/rcupdate.h>
 #include <linux/gfp.h>
+#include <linux/if_ether.h>
 #include <linux/jiffies.h>
 #include <linux/time.h>
 
@@ -42,6 +43,21 @@ struct sw_flow {
 	u8 tcp_flags;		/* Union of seen TCP flags. */
 };
 
+struct arp_eth_header
+{
+	__be16      ar_hrd;	/* format of hardware address   */
+	__be16      ar_pro;	/* format of protocol address   */
+	unsigned char   ar_hln;	/* length of hardware address   */
+	unsigned char   ar_pln;	/* length of protocol address   */
+	__be16      ar_op;	/* ARP opcode (command)     */
+
+	/* Ethernet+IPv4 specific members. */
+	unsigned char       ar_sha[ETH_ALEN];	/* sender hardware address  */
+	unsigned char       ar_sip[4];		/* sender IP address        */
+	unsigned char       ar_tha[ETH_ALEN];	/* target hardware address  */
+	unsigned char       ar_tip[4];		/* target IP address        */
+} __attribute__((packed));
+
 extern struct kmem_cache *flow_cache;
 
 struct sw_flow_actions *flow_actions_alloc(size_t n_actions);