2 * Copyright (c) 2008, 2009 Nicira Networks
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #ifndef OPENFLOW_NICIRA_EXT_H
18 #define OPENFLOW_NICIRA_EXT_H 1
20 #include "openflow/openflow.h"
22 #define NICIRA_OUI_STR "002320"
24 /* The following vendor extensions, proposed by Nicira Networks, are not yet
25 * ready for standardization (and may never be), so they are not included in
28 #define NX_VENDOR_ID 0x00002320
31 /* Switch status request. The request body is an ASCII string that
32 * specifies a prefix of the key names to include in the output; if it is
33 * the null string, then all key-value pairs are included. */
36 /* Switch status reply. The reply body is an ASCII string of key-value
37 * pairs in the form "key=value\n". */
40 /* Configure an action. Most actions do not require configuration
41 * beyond that supplied in the actual action call. */
44 /* Get configuration of action. */
48 NXT_COMMAND_REQUEST__OBSOLETE,
51 NXT_COMMAND_REPLY__OBSOLETE,
54 NXT_FLOW_END_CONFIG__OBSOLETE,
57 NXT_FLOW_END__OBSOLETE,
59 /* Management protocol. See "openflow-mgmt.h". */
63 struct nicira_header {
64 struct ofp_header header;
65 uint32_t vendor; /* NX_VENDOR_ID. */
66 uint32_t subtype; /* One of NXT_* above. */
68 OFP_ASSERT(sizeof(struct nicira_header) == sizeof(struct ofp_vendor_header) + 4);
71 enum nx_action_subtype {
72 NXAST_SNAT__OBSOLETE, /* No longer used. */
73 NXAST_RESUBMIT /* Throw against flow table again. */
76 /* Action structure for NXAST_RESUBMIT. */
77 struct nx_action_resubmit {
78 uint16_t type; /* OFPAT_VENDOR. */
79 uint16_t len; /* Length is 8. */
80 uint32_t vendor; /* NX_VENDOR_ID. */
81 uint16_t subtype; /* NXAST_RESUBMIT. */
82 uint16_t in_port; /* New in_port for checking flow table. */
85 OFP_ASSERT(sizeof(struct nx_action_resubmit) == 16);
87 /* Header for Nicira-defined actions. */
88 struct nx_action_header {
89 uint16_t type; /* OFPAT_VENDOR. */
90 uint16_t len; /* Length is 8. */
91 uint32_t vendor; /* NX_VENDOR_ID. */
92 uint16_t subtype; /* NXAST_*. */
95 OFP_ASSERT(sizeof(struct nx_action_header) == 16);
97 #endif /* openflow/nicira-ext.h */