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. */
47 /* Remote command execution. The request body is a sequence of strings
48 * delimited by null bytes. The first string is a command name.
49 * Subsequent strings are command arguments. */
52 /* Remote command execution reply, sent when the command's execution
53 * completes. The reply body is struct nx_command_reply. */
57 NXT_FLOW_END_CONFIG__OBSOLETE,
60 NXT_FLOW_END__OBSOLETE,
62 /* Management protocol. See "openflow-mgmt.h". */
66 struct nicira_header {
67 struct ofp_header header;
68 uint32_t vendor; /* NX_VENDOR_ID. */
69 uint32_t subtype; /* One of NXT_* above. */
71 OFP_ASSERT(sizeof(struct nicira_header) == sizeof(struct ofp_vendor_header) + 4);
74 enum nx_action_subtype {
75 NXAST_SNAT__OBSOLETE, /* No longer used. */
76 NXAST_RESUBMIT /* Throw against flow table again. */
79 /* Action structure for NXAST_RESUBMIT. */
80 struct nx_action_resubmit {
81 uint16_t type; /* OFPAT_VENDOR. */
82 uint16_t len; /* Length is 8. */
83 uint32_t vendor; /* NX_VENDOR_ID. */
84 uint16_t subtype; /* NXAST_RESUBMIT. */
85 uint16_t in_port; /* New in_port for checking flow table. */
88 OFP_ASSERT(sizeof(struct nx_action_resubmit) == 16);
90 /* Header for Nicira-defined actions. */
91 struct nx_action_header {
92 uint16_t type; /* OFPAT_VENDOR. */
93 uint16_t len; /* Length is 8. */
94 uint32_t vendor; /* NX_VENDOR_ID. */
95 uint16_t subtype; /* NXAST_*. */
98 OFP_ASSERT(sizeof(struct nx_action_header) == 16);
100 /* Status bits for NXT_COMMAND_REPLY. */
102 NXT_STATUS_EXITED = 1 << 31, /* Exited normally. */
103 NXT_STATUS_SIGNALED = 1 << 30, /* Exited due to signal. */
104 NXT_STATUS_UNKNOWN = 1 << 29, /* Exited for unknown reason. */
105 NXT_STATUS_COREDUMP = 1 << 28, /* Exited with core dump. */
106 NXT_STATUS_ERROR = 1 << 27, /* Command could not be executed. */
107 NXT_STATUS_STARTED = 1 << 26, /* Command was started. */
108 NXT_STATUS_EXITSTATUS = 0xff, /* Exit code mask if NXT_STATUS_EXITED. */
109 NXT_STATUS_TERMSIG = 0xff, /* Signal number if NXT_STATUS_SIGNALED. */
112 /* NXT_COMMAND_REPLY. */
113 struct nx_command_reply {
114 struct nicira_header nxh;
115 uint32_t status; /* Status bits defined above. */
116 /* Followed by any number of bytes of process output. */
118 OFP_ASSERT(sizeof(struct nx_command_reply) == 20);
120 #endif /* openflow/nicira-ext.h */