flow: Adds support for arbitrary ethernet masking

[cascardo/ovs.git] / lib / flow.h

diff --git a/lib/flow.h b/lib/flow.h
index 7ee9a26..1964115 100644 (file)
--- a/lib/flow.h
+++ b/lib/flow.h
@@ -35,7 +35,7 @@ struct ofpbuf;
 /* This sequence number should be incremented whenever anything involving flows
  * or the wildcarding of flows changes.  This will cause build assertion
  * failures in places which likely need to be updated. */
-#define FLOW_WC_SEQ 10
+#define FLOW_WC_SEQ 11
 
 #define FLOW_N_REGS 8
 BUILD_ASSERT_DECL(FLOW_N_REGS <= NXM_NX_MAX_REGS);
@@ -100,7 +100,7 @@ BUILD_ASSERT_DECL(sizeof(((struct flow *)0)->nw_frag) == 1);
 BUILD_ASSERT_DECL(sizeof(struct flow) == FLOW_SIG_SIZE + FLOW_PAD_SIZE);
 
 /* Remember to update FLOW_WC_SEQ when changing 'struct flow'. */
-BUILD_ASSERT_DECL(FLOW_SIG_SIZE == 142 && FLOW_WC_SEQ == 10);
+BUILD_ASSERT_DECL(FLOW_SIG_SIZE == 142 && FLOW_WC_SEQ == 11);
 
 void flow_extract(struct ofpbuf *, uint32_t priority, ovs_be64 tun_id,
                   uint16_t in_port, struct flow *);
@@ -147,24 +147,19 @@ typedef unsigned int OVS_BITWISE flow_wildcards_t;
 
 /* Same values and meanings as corresponding OFPFW_* bits. */
 #define FWW_IN_PORT     ((OVS_FORCE flow_wildcards_t) (1 << 0))
-#define FWW_DL_SRC      ((OVS_FORCE flow_wildcards_t) (1 << 2))
-#define FWW_DL_DST      ((OVS_FORCE flow_wildcards_t) (1 << 3))
-                                              /* excluding the multicast bit */
 #define FWW_DL_TYPE     ((OVS_FORCE flow_wildcards_t) (1 << 4))
 #define FWW_NW_PROTO    ((OVS_FORCE flow_wildcards_t) (1 << 5))
 /* No corresponding OFPFW_* bits. */
-#define FWW_ETH_MCAST   ((OVS_FORCE flow_wildcards_t) (1 << 1))
-                                                       /* multicast bit only */
-#define FWW_NW_DSCP     ((OVS_FORCE flow_wildcards_t) (1 << 6))
-#define FWW_NW_ECN      ((OVS_FORCE flow_wildcards_t) (1 << 7))
-#define FWW_ARP_SHA     ((OVS_FORCE flow_wildcards_t) (1 << 8))
-#define FWW_ARP_THA     ((OVS_FORCE flow_wildcards_t) (1 << 9))
-#define FWW_IPV6_LABEL  ((OVS_FORCE flow_wildcards_t) (1 << 10))
-#define FWW_NW_TTL      ((OVS_FORCE flow_wildcards_t) (1 << 11))
-#define FWW_ALL         ((OVS_FORCE flow_wildcards_t) (((1 << 12)) - 1))
+#define FWW_NW_DSCP     ((OVS_FORCE flow_wildcards_t) (1 << 1))
+#define FWW_NW_ECN      ((OVS_FORCE flow_wildcards_t) (1 << 2))
+#define FWW_ARP_SHA     ((OVS_FORCE flow_wildcards_t) (1 << 3))
+#define FWW_ARP_THA     ((OVS_FORCE flow_wildcards_t) (1 << 6))
+#define FWW_IPV6_LABEL  ((OVS_FORCE flow_wildcards_t) (1 << 7))
+#define FWW_NW_TTL      ((OVS_FORCE flow_wildcards_t) (1 << 8))
+#define FWW_ALL         ((OVS_FORCE flow_wildcards_t) (((1 << 9)) - 1))
 
 /* Remember to update FLOW_WC_SEQ when adding or removing FWW_*. */
-BUILD_ASSERT_DECL(FWW_ALL == ((1 << 12) - 1) && FLOW_WC_SEQ == 10);
+BUILD_ASSERT_DECL(FWW_ALL == ((1 << 9) - 1) && FLOW_WC_SEQ == 11);
 
 /* Information on wildcards for a flow, as a supplement to "struct flow".
  *
@@ -184,11 +179,13 @@ struct flow_wildcards {
     ovs_be16 tp_src_mask;       /* 1-bit in each significant tp_src bit. */
     ovs_be16 tp_dst_mask;       /* 1-bit in each significant tp_dst bit. */
     uint8_t nw_frag_mask;       /* 1-bit in each significant nw_frag bit. */
-    uint8_t zeros[5];           /* Padding field set to zero. */
+    uint8_t dl_src_mask[6];     /* 1-bit in each significant dl_src bit. */
+    uint8_t dl_dst_mask[6];     /* 1-bit in each significant dl_dst bit. */
+    uint8_t zeros[1];           /* Padding field set to zero. */
 };
 
 /* Remember to update FLOW_WC_SEQ when updating struct flow_wildcards. */
-BUILD_ASSERT_DECL(sizeof(struct flow_wildcards) == 112 && FLOW_WC_SEQ == 10);
+BUILD_ASSERT_DECL(sizeof(struct flow_wildcards) == 120 && FLOW_WC_SEQ == 11);
 
 void flow_wildcards_init_catchall(struct flow_wildcards *);
 void flow_wildcards_init_exact(struct flow_wildcards *);