src/lxc/network.h

   1 /*
   2  * lxc: linux Container library
   3  *
   4  * (C) Copyright IBM Corp. 2007, 2008
   5  *
   6  * Authors:
   7  * Daniel Lezcano <daniel.lezcano at free.fr>
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  22  */
  23 #ifndef __LXC_NETWORK_H
  24 #define __LXC_NETWORK_H
  25
  26 /*
  27  * Convert a string mac address to a socket structure
  28  */
  29 extern int lxc_convert_mac(char *macaddr, struct sockaddr *sockaddr);
  30
  31 /*
  32  * Move a device between namespaces
  33  */
  34 extern int lxc_netdev_move_by_index(int ifindex, pid_t pid, const char* ifname);
  35 extern int lxc_netdev_move_by_name(const char *ifname, pid_t pid, const char* newname);
  36
  37 /*
  38  * Delete a network device
  39  */
  40 extern int lxc_netdev_delete_by_name(const char *name);
  41 extern int lxc_netdev_delete_by_index(int ifindex);
  42
  43 /*
  44  * Change the device name
  45  */
  46 extern int lxc_netdev_rename_by_name(const char *oldname, const char *newname);
  47 extern int lxc_netdev_rename_by_index(int ifindex, const char *newname);
  48
  49 extern int netdev_set_flag(const char *name, int flag);
  50
  51 /*
  52  * Set the device network up or down
  53  */
  54
  55 extern int lxc_netdev_isup(const char *name);
  56 extern int lxc_netdev_up(const char *name);
  57 extern int lxc_netdev_down(const char *name);
  58
  59 /*
  60  * Change the mtu size for the specified device
  61  */
  62 extern int lxc_netdev_set_mtu(const char *name, int mtu);
  63
  64 /*
  65  * Create a virtual network devices
  66  */
  67 extern int lxc_veth_create(const char *name1, const char *name2);
  68 extern int lxc_macvlan_create(const char *master, const char *name, int mode);
  69 extern int lxc_vlan_create(const char *master, const char *name, unsigned short vid);
  70
  71 /*
  72  * Activate forwarding
  73  */
  74 extern int lxc_ip_forward_on(const char *name, int family);
  75
  76 /*
  77  * Disable forwarding
  78  */
  79 extern int lxc_ip_forward_off(const char *name, int family);
  80
  81 /*
  82  * Set ip address
  83  */
  84 extern int lxc_ipv6_addr_add(int ifindex, struct in6_addr *addr,
  85                              struct in6_addr *mcast,
  86                              struct in6_addr *acast, int prefix);
  87
  88 extern int lxc_ipv4_addr_add(int ifindex, struct in_addr *addr,
  89                              struct in_addr *bcast, int prefix);
  90
  91 /*
  92  * Get ip address
  93  */
  94 extern int lxc_ipv4_addr_get(int ifindex, struct in_addr **res);
  95 extern int lxc_ipv6_addr_get(int ifindex, struct in6_addr **res);
  96
  97 /*
  98  * Set a destination route to an interface
  99  */
 100 extern int lxc_ipv4_dest_add(int ifindex, struct in_addr *dest);
 101 extern int lxc_ipv6_dest_add(int ifindex, struct in6_addr *dest);
 102
 103 /*
 104  * Set default route.
 105  */
 106 extern int lxc_ipv4_gateway_add(int ifindex, struct in_addr *gw);
 107 extern int lxc_ipv6_gateway_add(int ifindex, struct in6_addr *gw);
 108
 109 /*
 110  * Attach an interface to the bridge
 111  */
 112 extern int lxc_bridge_attach(const char *lxcpath, const char *name, const char *bridge, const char *ifname);
 113
 114 /*
 115  * Create default gateway
 116  */
 117 extern int lxc_route_create_default(const char *addr, const char *ifname,
 118                                     int gateway);
 119
 120 /*
 121  * Delete default gateway
 122  */
 123 extern int lxc_route_delete_default(const char *addr, const char *ifname,
 124                                     int gateway);
 125
 126 /*
 127  * Activate neighbor proxying
 128  */
 129 extern int lxc_neigh_proxy_on(const char *name, int family);
 130
 131 /*
 132  * Disable neighbor proxying
 133  */
 134 extern int lxc_neigh_proxy_off(const char *name, int family);
 135
 136 /*
 137  * Generate a new unique network interface name
 138  */
 139 extern char *lxc_mkifname(char *template);
 140
 141 extern const char *lxc_net_type_to_str(int type);
 142 extern int setup_private_host_hw_addr(char *veth1);
 143 extern int netdev_get_mtu(int ifindex);
 144 #endif