1 /* Copyright (c) 2008 The Board of Trustees of The Leland Stanford
4 * We are making the OpenFlow specification and associated documentation
5 * (Software) available for public use and benefit with the expectation
6 * that others will use, modify and enhance the Software and contribute
7 * those enhancements back to the community. However, since we would
8 * like to make the Software available for broadest use, with as few
9 * restrictions as possible permission is hereby granted, free of
10 * charge, to any person obtaining a copy of this Software to deal in
11 * the Software under the copyrights without restriction, including
12 * without limitation the rights to use, copy, modify, merge, publish,
13 * distribute, sublicense, and/or sell copies of the Software, and to
14 * permit persons to whom the Software is furnished to do so, subject to
15 * the following conditions:
17 * The above copyright notice and this permission notice shall be
18 * included in all copies or substantial portions of the Software.
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
24 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
25 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
26 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
29 * The name and trademarks of copyright holder(s) may NOT be used in
30 * advertising or publicity pertaining to the Software or any
31 * derivatives without specific, written prior permission.
34 #ifndef OPENFLOW_NETLINK_H
35 #define OPENFLOW_NETLINK_H 1
37 #include <linux/types.h>
38 #include <linux/netlink.h>
40 #define DP_GENL_FAMILY_NAME "OpenFlow"
42 /* Attributes that can be attached to the datapath's netlink messages. */
45 DP_GENL_A_OFPHEADER, /* OFP header information */
46 DP_GENL_A_DP_IDX, /* Datapath Ethernet device name. */
47 DP_GENL_A_PORTNAME, /* Device name for datapath port. */
48 DP_GENL_A_MC_GROUP, /* Generic netlink multicast group. */
49 DP_GENL_A_OPENFLOW, /* OpenFlow packet. */
51 DP_GENL_A_DP_INFO, /* OpenFlow datapath information */
53 DP_GENL_A_FLOW, /* OpenFlow flow entry */
54 DP_GENL_A_NUMFLOWS, /* Number of flows */
55 DP_GENL_A_TABLEIDX, /* Flow table index */
57 DP_GENL_A_TABLE, /* OpenFlow table entry */
58 DP_GENL_A_NUMTABLES, /* Number of tables in a table query */
60 DP_GENL_A_NPACKETS, /* Number of packets to send up netlink */
61 DP_GENL_A_PSIZE, /* Size of packets to send up netlink */
64 DP_GENL_A_MAX = __DP_GENL_A_MAX - 1
67 /* Commands that can be executed on the datapath's netlink interface. */
68 enum dp_genl_command {
70 DP_GENL_C_ADD_DP, /* Create datapath. */
71 DP_GENL_C_DEL_DP, /* Destroy datapath. */
72 DP_GENL_C_QUERY_DP, /* Get multicast group for datapath. */
73 DP_GENL_C_SHOW_DP, /* Show information about datapath. */
74 DP_GENL_C_ADD_PORT, /* Add port to datapath. */
75 DP_GENL_C_DEL_PORT, /* Remove port from datapath. */
76 DP_GENL_C_OPENFLOW, /* Encapsulated OpenFlow protocol. */
78 DP_GENL_C_QUERY_FLOW, /* Request flow entries. */
79 DP_GENL_C_QUERY_TABLE, /* Request table entries. */
81 DP_GENL_C_BENCHMARK_NL, /* Benchmark netlink connection */
84 DP_GENL_C_MAX = __DP_GENL_C_MAX - 1
93 TBL_MAX = __TBL_MAX - 1
96 #endif /* openflow_netlink_h */