X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=datapath%2Fflow.h;h=21df5fbee1a784fba7846f768cd0be2d9985d961;hb=0a6f55420508c31af9fe41aafdd26ce8462cc1be;hp=076448272b9c2dc1178bab4958704eea671cc56c;hpb=e1040c772fbebc3abe9e7222f9c540112c4dca81;p=openvswitch

diff --git a/datapath/flow.h b/datapath/flow.h
index 07644827..21df5fbe 100644
--- a/datapath/flow.h
+++ b/datapath/flow.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009, 2010 Nicira Networks.
+ * Copyright (c) 2009, 2010, 2011 Nicira Networks.
  * Distributed under the terms of the GNU GPL version 2.
  *
  * Significant portions of this file may be copied from parts of the Linux
@@ -29,11 +29,37 @@ struct sw_flow_actions {
 	struct nlattr actions[];
 };
 
+struct sw_flow_key {
+	__be64	tun_id;     /* Encapsulating tunnel ID. */
+	union {
+		struct {
+			__be32	ipv4_src;	 /* IPv4 source address. */
+			__be32	ipv4_dst;	 /* IPv4 destination address. */
+		};
+		struct {
+			__be32	ipv6_src[4]; /* IPv6 source address. */
+			__be32	ipv6_dst[4]; /* IPv6 source address. */
+		};
+	};
+	__be32	nd_target[4]; /* IPv6 ND target address. */
+	u16	in_port;    /* Input switch port. */
+	__be16	dl_tci;	    /* 0 if no VLAN, VLAN_TAG_PRESENT set otherwise. */
+	__be16	dl_type;    /* Ethernet frame type. */
+	__be16	tp_src;	    /* TCP/UDP source port. */
+	__be16	tp_dst;	    /* TCP/UDP destination port. */
+	u8	dl_src[ETH_ALEN]; /* Ethernet source address. */
+	u8	dl_dst[ETH_ALEN]; /* Ethernet destination address. */
+	u8	nw_proto;   /* IP protocol or lower 8 bits of ARP opcode. */
+	u8	nw_tos;	    /* IP ToS (DSCP field, 6 bits). */
+	u8	arp_sha[ETH_ALEN]; /* ARP/ND source hardware address. */
+	u8	arp_tha[ETH_ALEN]; /* ARP/ND target hardware address. */
+};
+
 struct sw_flow {
 	struct rcu_head rcu;
 	struct tbl_node tbl_node;
 
-	struct odp_flow_key key;
+	struct sw_flow_key key;
 	struct sw_flow_actions __rcu *sf_acts;
 
 	atomic_t refcnt;
@@ -68,18 +94,27 @@ struct sw_flow *flow_alloc(void);
 void flow_deferred_free(struct sw_flow *);
 void flow_free_tbl(struct tbl_node *);
 
-struct sw_flow_actions *flow_actions_alloc(u32 actions_len);
+struct sw_flow_actions *flow_actions_alloc(const struct nlattr *);
 void flow_deferred_free_acts(struct sw_flow_actions *);
 
 void flow_hold(struct sw_flow *);
 void flow_put(struct sw_flow *);
 
-int flow_extract(struct sk_buff *, u16 in_port, struct odp_flow_key *, bool *is_frag);
+int flow_extract(struct sk_buff *, u16 in_port, struct sw_flow_key *, bool *is_frag);
 void flow_used(struct sw_flow *, struct sk_buff *);
+u64 flow_used_time(unsigned long flow_jiffies);
 
-u32 flow_hash(const struct odp_flow_key *key);
+u32 flow_hash(const struct sw_flow_key *);
 int flow_cmp(const struct tbl_node *, void *target);
 
+/* By my calculations currently the longest valid nlattr-formatted flow key is
+ * 80 bytes long, so this leaves some safety margin.
+ */
+#define FLOW_BUFSIZE 96
+
+int flow_to_nlattrs(const struct sw_flow_key *, struct sk_buff *);
+int flow_from_nlattrs(struct sw_flow_key *swkey, const struct nlattr *);
+
 static inline struct sw_flow *flow_cast(const struct tbl_node *node)
 {
 	return container_of(node, struct sw_flow, tbl_node);