lib/dpif-netlink.h

   1 /*
   2  * Copyright (c) 2010, 2011, 2014 Nicira, Inc.
   3  *
   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:
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  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.
  15  */
  16
  17 #ifndef DPIF_NETLINK_H
  18 #define DPIF_NETLINK_H 1
  19
  20 #include <stdbool.h>
  21 #include <stddef.h>
  22 #include <stdint.h>
  23 #include "odp-netlink.h"
  24
  25 #include "flow.h"
  26
  27 struct ofpbuf;
  28
  29 struct dpif_netlink_vport {
  30     /* Generic Netlink header. */
  31     uint8_t cmd;
  32
  33     /* ovs_vport header. */
  34     int dp_ifindex;
  35     odp_port_t port_no;                    /* ODPP_NONE if unknown. */
  36     enum ovs_vport_type type;
  37
  38     /* Attributes.
  39      *
  40      * The 'stats' member points to 64-bit data that might only be aligned on
  41      * 32-bit boundaries, so use get_unaligned_u64() to access its values.
  42      */
  43     const char *name;                      /* OVS_VPORT_ATTR_NAME. */
  44     uint32_t n_upcall_pids;
  45     const uint32_t *upcall_pids;           /* OVS_VPORT_ATTR_UPCALL_PID. */
  46     const struct ovs_vport_stats *stats;   /* OVS_VPORT_ATTR_STATS. */
  47     const struct nlattr *options;          /* OVS_VPORT_ATTR_OPTIONS. */
  48     size_t options_len;
  49 };
  50
  51 void dpif_netlink_vport_init(struct dpif_netlink_vport *);
  52
  53 int dpif_netlink_vport_transact(const struct dpif_netlink_vport *request,
  54                                 struct dpif_netlink_vport *reply,
  55                                 struct ofpbuf **bufp);
  56 int dpif_netlink_vport_get(const char *name, struct dpif_netlink_vport *reply,
  57                            struct ofpbuf **bufp);
  58
  59 bool dpif_netlink_is_internal_device(const char *name);
  60
  61 enum ovs_vport_type netdev_to_ovs_vport_type(const char *type);
  62
  63 #endif /* dpif-netlink.h */