Expand tunnel IDs from 32 to 64 bits.

[sliver-openvswitch.git] / include / openflow / nicira-ext.h

diff --git a/include/openflow/nicira-ext.h b/include/openflow/nicira-ext.h
index 3c2856f..135f793 100644 (file)
--- a/include/openflow/nicira-ext.h
+++ b/include/openflow/nicira-ext.h
@@ -20,8 +20,6 @@
 #include "openflow/openflow.h"
 #include "openvswitch/types.h"
 
-#define NICIRA_OUI_STR "002320"
-
 /* The following vendor extensions, proposed by Nicira Networks, are not yet
  * standardized, so they are not included in openflow.h.  Some of them may be
  * suitable for standardization; others we never expect to standardize. */
@@ -205,8 +203,8 @@ OFP_ASSERT(sizeof(struct nxt_tun_id_cookie) == 24);
  *      OpenFlow features.  In particular attempts to modify the flow table
  *      will be rejected with an OFPBRC_EPERM error.
  *
- *      Slave controllers also do not receive asynchronous messages
- *      (OFPT_PACKET_IN, OFPT_FLOW_REMOVED, OFPT_PORT_STATUS).
+ *      Slave controllers do not receive OFPT_PACKET_IN or OFPT_FLOW_REMOVED
+ *      messages, but they do receive OFPT_PORT_STATUS messages.
  */
 struct nx_role_request {
     struct nicira_header nxh;
@@ -230,6 +228,8 @@ enum nx_action_subtype {
     NXAST_POP_QUEUE,            /* struct nx_action_pop_queue */
     NXAST_REG_MOVE,             /* struct nx_action_reg_move */
     NXAST_REG_LOAD,             /* struct nx_action_reg_load */
+    NXAST_NOTE,                 /* struct nx_action_note */
+    NXAST_SET_TUNNEL64,         /* struct nx_action_set_tunnel64 */
 };
 
 /* Header for Nicira-defined actions. */
@@ -280,7 +280,8 @@ OFP_ASSERT(sizeof(struct nx_action_resubmit) == 16);
 
 /* Action structure for NXAST_SET_TUNNEL.
  *
- * Sets the encapsulating tunnel ID. */
+ * Sets the encapsulating tunnel ID to a 32-bit value.  The most-significant 32
+ * bits of the tunnel ID are set to 0. */
 struct nx_action_set_tunnel {
     uint16_t type;                  /* OFPAT_VENDOR. */
     uint16_t len;                   /* Length is 16. */
@@ -291,6 +292,19 @@ struct nx_action_set_tunnel {
 };
 OFP_ASSERT(sizeof(struct nx_action_set_tunnel) == 16);
 
+/* Action structure for NXAST_SET_TUNNEL64.
+ *
+ * Sets the encapsulating tunnel ID to a 64-bit value. */
+struct nx_action_set_tunnel64 {
+    ovs_be16 type;                  /* OFPAT_VENDOR. */
+    ovs_be16 len;                   /* Length is 16. */
+    ovs_be32 vendor;                /* NX_VENDOR_ID. */
+    ovs_be16 subtype;               /* NXAST_SET_TUNNEL64. */
+    uint8_t pad[6];
+    ovs_be64 tun_id;                /* Tunnel ID. */
+};
+OFP_ASSERT(sizeof(struct nx_action_set_tunnel64) == 24);
+
 /* Action structure for NXAST_DROP_SPOOFED_ARP.
  *
  * Stops processing further actions, if the packet being processed is an
@@ -346,8 +360,11 @@ OFP_ASSERT(sizeof(struct nx_action_pop_queue) == 16);
  * bit 'c').  Bit numbering starts at 0 for the least-significant bit, 1 for
  * the next most significant bit, and so on.
  *
- * 'src' and 'dst' are nxm_header values with nxm_hasmask=0.  The following
- * nxm_header values are potentially acceptable as 'src':
+ * 'src' and 'dst' are nxm_header values with nxm_hasmask=0.  (It doesn't make
+ * sense to use nxm_hasmask=1 because the action does not do any kind of
+ * matching; it uses the actual value of a field.)
+ *
+ * The following nxm_header values are potentially acceptable as 'src':
  *
  *   - NXM_OF_IN_PORT
  *   - NXM_OF_ETH_DST
@@ -412,7 +429,7 @@ OFP_ASSERT(sizeof(struct nx_action_reg_move) == 24);
  * starts at 0 for the least-significant bit, 1 for the next most significant
  * bit, and so on.
  *
- * 'dst' must be one of the following:
+ * 'dst' is an nxm_header with nxm_hasmask=0.  It must be one of the following:
  *
  *   - NXM_NX_REG(idx) for idx in the switch's accepted range.
  *
@@ -442,6 +459,24 @@ struct nx_action_reg_load {
 };
 OFP_ASSERT(sizeof(struct nx_action_reg_load) == 24);
 
+/* Action structure for NXAST_NOTE.
+ *
+ * This action has no effect.  It is variable length.  The switch does not
+ * attempt to interpret the user-defined 'note' data in any way.  A controller
+ * can use this action to attach arbitrary metadata to a flow.
+ *
+ * This action might go away in the future.
+ */
+struct nx_action_note {
+    uint16_t type;                  /* OFPAT_VENDOR. */
+    uint16_t len;                   /* A multiple of 8, but at least 16. */
+    uint32_t vendor;                /* NX_VENDOR_ID. */
+    uint16_t subtype;               /* NXAST_NOTE. */
+    uint8_t note[6];                /* Start of user-defined data. */
+    /* Possibly followed by additional user-defined data. */
+};
+OFP_ASSERT(sizeof(struct nx_action_note) == 16);
+
 /* Wildcard for tunnel ID. */
 #define NXFW_TUN_ID  (1 << 25)
 
@@ -845,7 +880,8 @@ OFP_ASSERT(sizeof(struct nx_action_reg_load) == 24);
 #define NXM_NX_REG(IDX)   NXM_HEADER  (0x0001, IDX, 4)
 #define NXM_NX_REG_W(IDX) NXM_HEADER_W(0x0001, IDX, 4)
 #define NXM_NX_REG_IDX(HEADER) NXM_FIELD(HEADER)
-#define NXM_IS_NX_REG(HEADER) (!((((HEADER) ^ NXM_NX_REG(0))) & 0xffffe0ff))
+#define NXM_IS_NX_REG(HEADER) (!((((HEADER) ^ NXM_NX_REG0)) & 0xffffe1ff))
+#define NXM_IS_NX_REG_W(HEADER) (!((((HEADER) ^ NXM_NX_REG0_W)) & 0xffffe1ff))
 #define NXM_NX_REG0       NXM_HEADER  (0x0001, 0, 4)
 #define NXM_NX_REG0_W     NXM_HEADER_W(0x0001, 0, 4)
 #define NXM_NX_REG1       NXM_HEADER  (0x0001, 1, 4)
@@ -873,7 +909,7 @@ OFP_ASSERT(sizeof(struct nx_action_reg_load) == 24);
 /* ## Requests and replies. ## */
 /* ## --------------------- ## */
 
-enum {
+enum nx_flow_format {
     NXFF_OPENFLOW10 = 0,         /* Standard OpenFlow 1.0 compatible. */
     NXFF_TUN_ID_FROM_COOKIE = 1, /* OpenFlow 1.0, plus obtain tunnel ID from
                                   * cookie. */