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40 #ifndef OPENVSWITCH_BRCOMPAT_NETLINK_H
41 #define OPENVSWITCH_BRCOMPAT_NETLINK_H 1
43 #define BRC_GENL_FAMILY_NAME "brcompat"
45 /* Attributes that can be attached to the datapath's netlink messages. */
50 * "K:" attributes appear in messages from the kernel to userspace.
51 * "U:" attributes appear in messages from userspace to the kernel.
54 /* BRC_GENL_C_DP_ADD, BRC_GENL_C_DP_DEL. */
55 BRC_GENL_A_DP_NAME, /* K: Datapath name. */
57 /* BRC_GENL_C_DP_ADD, BRC_GENL_C_DP_DEL,
58 BRC_GENL_C_PORT_ADD, BRC_GENL_C_PORT_DEL. */
59 BRC_GENL_A_PORT_NAME, /* K: Interface name. */
61 /* BRC_GENL_C_DP_RESULT. */
62 BRC_GENL_A_ERR_CODE, /* U: Positive error code. */
64 /* BRC_GENL_C_QUERY_MC. */
65 BRC_GENL_A_MC_GROUP, /* K: Generic netlink multicast group. */
67 /* BRC_GENL_C_FDB_QUERY. */
68 BRC_GENL_A_FDB_COUNT, /* K: Number of FDB entries to read. */
69 BRC_GENL_A_FDB_SKIP, /* K: Record offset into FDB to start reading. */
71 /* BRC_GENL_C_DP_RESULT. */
72 BRC_GENL_A_FDB_DATA, /* U: FDB records. */
73 BRC_GENL_A_IFINDEXES, /* U: "int" ifindexes of bridges or ports. */
76 BRC_GENL_A_MAX = __BRC_GENL_A_MAX - 1
79 /* Commands that can be executed on the datapath's netlink interface. */
80 enum brc_genl_command {
84 * "K:" messages are sent by the kernel to userspace.
85 * "U:" messages are sent by userspace to the kernel.
87 BRC_GENL_C_DP_ADD, /* K: Datapath created. */
88 BRC_GENL_C_DP_DEL, /* K: Datapath destroyed. */
89 BRC_GENL_C_DP_RESULT, /* U: Return code from ovs-brcompatd. */
90 BRC_GENL_C_PORT_ADD, /* K: Port added to datapath. */
91 BRC_GENL_C_PORT_DEL, /* K: Port removed from datapath. */
92 BRC_GENL_C_QUERY_MC, /* U: Get multicast group for brcompat. */
93 BRC_GENL_C_FDB_QUERY, /* K: Read records from forwarding database. */
94 BRC_GENL_C_GET_BRIDGES, /* K: Get ifindexes of all bridges. */
95 BRC_GENL_C_GET_PORTS, /* K: Get ifindexes of all ports on a bridge. */
98 BRC_GENL_C_MAX = __BRC_GENL_C_MAX - 1
100 #endif /* openvswitch/brcompat-netlink.h */