lib/dpif-linux.h

   1 /*
   2  * Copyright (c) 2010, 2011 Nicira Networks.
   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_LINUX_H
  18 #define DPIF_LINUX_H 1
  19
  20 #include <stdbool.h>
  21 #include <stdint.h>
  22 #include "openvswitch/datapath-protocol.h"
  23
  24 struct ofpbuf;
  25
  26 struct dpif_linux_vport {
  27     /* Generic Netlink header. */
  28     uint8_t cmd;
  29
  30     /* odp_vport header. */
  31     int dp_ifindex;
  32     uint32_t port_no;                      /* UINT32_MAX if unknown. */
  33     enum odp_vport_type type;
  34
  35     /* Attributes. */
  36     const char *name;                      /* ODP_VPORT_ATTR_NAME. */
  37     const struct rtnl_link_stats64 *stats; /* ODP_VPORT_ATTR_STATS. */
  38     const uint8_t *address;                /* ODP_VPORT_ATTR_ADDRESS. */
  39     int mtu;                               /* ODP_VPORT_ATTR_MTU. */
  40     const struct nlattr *options;          /* ODP_VPORT_ATTR_OPTIONS. */
  41     size_t options_len;
  42     int ifindex;                           /* ODP_VPORT_ATTR_IFINDEX. */
  43     int iflink;                            /* ODP_VPORT_ATTR_IFLINK. */
  44 };
  45
  46 void dpif_linux_vport_init(struct dpif_linux_vport *);
  47
  48 int dpif_linux_vport_transact(const struct dpif_linux_vport *request,
  49                               struct dpif_linux_vport *reply,
  50                               struct ofpbuf **bufp);
  51 int dpif_linux_vport_get(const char *name, struct dpif_linux_vport *reply,
  52                          struct ofpbuf **bufp);
  53
  54 bool dpif_linux_is_internal_device(const char *name);
  55
  56 int dpif_linux_vport_send(int dp_ifindex, uint32_t port_no,
  57                           const void *data, size_t size);
  58
  59 #endif /* dpif-linux.h */