* standardized, so they are not included in openflow.h. Some of them may be
* suitable for standardization; others we never expect to standardize. */
-#define NX_VENDOR_ID 0x00002320
\f
/* Nicira vendor-specific error messages extension.
*
* - NXM_NX_ND_SLL
* - NXM_NX_ND_TLL
* - NXM_NX_REG(idx) for idx in the switch's accepted range.
+ * - NXM_NX_TUN_IPV4_SRC
+ * - NXM_NX_TUN_IPV4_DST
*
* The following nxm_header values are potentially acceptable as 'dst':
*
* adds or modifies the 802.1Q header appropriately, setting the TCI field
* to the field's new value (with the CFI bit masked out).
*
- * - NXM_NX_TUN_ID. Modifying this value modifies the tunnel ID used for the
- * packet's next tunnel encapsulation.
+ * - NXM_NX_TUN_ID, NXM_NX_TUN_IPV4_SRC, NXM_NX_TUN_IPV4_DST. Modifying
+ * any of these values modifies the corresponding tunnel header field used
+ * for the packet's next tunnel encapsulation, if allowed by the
+ * configuration of the output tunnel port.
*
* A given nxm_header value may be used as 'src' or 'dst' only on a flow whose
* nx_match satisfies its prerequisites. For example, NXM_OF_IP_TOS may be
#define NXM_NX_COOKIE NXM_HEADER (0x0001, 30, 8)
#define NXM_NX_COOKIE_W NXM_HEADER_W(0x0001, 30, 8)
+/* The source or destination address in the outer IP header of a tunneled
+ * packet.
+ *
+ * For non-tunneled packets, the value is 0.
+ *
+ * Prereqs: None.
+ *
+ * Format: 32-bit integer in network byte order.
+ *
+ * Masking: Fully maskable. */
+#define NXM_NX_TUN_IPV4_SRC NXM_HEADER (0x0001, 31, 4)
+#define NXM_NX_TUN_IPV4_SRC_W NXM_HEADER_W(0x0001, 31, 4)
+#define NXM_NX_TUN_IPV4_DST NXM_HEADER (0x0001, 32, 4)
+#define NXM_NX_TUN_IPV4_DST_W NXM_HEADER_W(0x0001, 32, 4)
+
/* ## --------------------- ## */
/* ## Requests and replies. ## */
/* ## --------------------- ## */