X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=src%2Flxc%2Fnetwork.h;h=483fbb8cd430a1d14e8c14ce580760899c95bfd6;hb=3c09b97cd578b8ab28b9d10797a6896f3a9ca0fd;hp=59f2a4180b4f59d7cd896bf66b91d0f68928900f;hpb=b9a5bb586c0abbdb315573b201703c1f0bcfe25c;p=mirror_lxc.git diff --git a/src/lxc/network.h b/src/lxc/network.h index 59f2a4180..483fbb8cd 100644 --- a/src/lxc/network.h +++ b/src/lxc/network.h @@ -4,7 +4,7 @@ * (C) Copyright IBM Corp. 2007, 2008 * * Authors: - * Daniel Lezcano + * Daniel Lezcano * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public @@ -18,111 +18,272 @@ * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ -#ifndef _network_h -#define _network_h +#ifndef __LXC_NETWORK_H +#define __LXC_NETWORK_H -/* - * Convert a string mac address to a socket structure - */ -extern int lxc_convert_mac(char *macaddr, struct sockaddr *sockaddr); +#include +#include +#include +#include +#include +#include -/* - * Move a device between namespaces - */ -extern int lxc_device_move(int ifindex, pid_t pid); +#include "list.h" -/* - * Delete a network device - */ -extern int lxc_device_delete(const char *name); +struct lxc_conf; +struct lxc_handler; +struct lxc_netdev; -/* - * Delete a network device by the index - */ -extern int lxc_device_delete_index(int ifindex); +enum { + LXC_NET_EMPTY, + LXC_NET_VETH, + LXC_NET_MACVLAN, + LXC_NET_IPVLAN, + LXC_NET_PHYS, + LXC_NET_VLAN, + LXC_NET_NONE, + LXC_NET_MAXCONFTYPE, +}; /* - * Set the device network up + * Defines the structure to configure an ipv4 address + * @address : ipv4 address + * @broadcast : ipv4 broadcast address + * @mask : network mask */ -extern int lxc_device_up(const char *name); +struct lxc_inetdev { + struct in_addr addr; + struct in_addr bcast; + unsigned int prefix; +}; + +struct lxc_route { + struct in_addr addr; +}; /* - * Set the device network down + * Defines the structure to configure an ipv6 address + * @flags : set the address up + * @address : ipv6 address + * @broadcast : ipv6 broadcast address + * @mask : network mask */ -extern int lxc_device_down(const char *name); +struct lxc_inet6dev { + struct in6_addr addr; + struct in6_addr mcast; + struct in6_addr acast; + unsigned int prefix; +}; -/* - * Change the device name +struct lxc_route6 { + struct in6_addr addr; +}; + +/* Contains information about the host side veth device. + * @pair : Name of the host side veth device. + * If the user requested that the host veth device be created with a + * specific names this field will be set. If this field is set @veth1 + * is not set. + * @veth1 : Name of the host side veth device. + * If the user did not request that the host veth device be created + * with a specific name this field will be set. If this field is set + * @pair is not set. + * @ifindex : Ifindex of the network device. */ -extern int lxc_device_rename(const char *oldname, const char *newname); +struct ifla_veth { + char pair[IFNAMSIZ]; + char veth1[IFNAMSIZ]; + int ifindex; + struct lxc_list ipv4_routes; + struct lxc_list ipv6_routes; +}; -/* - * Change the mtu size for the specified device +struct ifla_vlan { + unsigned int flags; + unsigned int fmask; + unsigned short vid; + unsigned short pad; +}; + +struct ifla_macvlan { + int mode; /* private, vepa, bridge, passthru */ +}; + +struct ifla_ipvlan { + int mode; /* l3, l3s, l2 */ + int isolation; /* bridge, private, vepa */ +}; + +/* Contains information about the physical network device as seen from the host. + * @ifindex : The ifindex of the physical network device in the host's network + * namespace. */ -extern int lxc_device_set_mtu(const char *name, int mtu); +struct ifla_phys { + int ifindex; + int mtu; +}; + +union netdev_p { + struct ifla_macvlan macvlan_attr; + struct ifla_ipvlan ipvlan_attr; + struct ifla_phys phys_attr; + struct ifla_veth veth_attr; + struct ifla_vlan vlan_attr; +}; /* - * Create a veth network device + * Defines a structure to configure a network device + * @idx : network counter + * @ifindex : ifindex of the network device + * Note that this is the ifindex of the network device in + * the container's network namespace. If the network device + * consists of a pair of network devices (e.g. veth pairs + * attached to a network bridge) then this index cannot be + * used to identify or modify the host veth device. See + * struct ifla_veth for the host side information. + * @type : network type (veth, macvlan, vlan, ...) + * @flags : flag of the network device (IFF_UP, ... ) + * @link : lxc.net.[i].link, name of bridge or host iface to attach + * if any + * @name : lxc.net.[i].name, name of iface on the container side + * @created_name : the name with which this interface got created before + * being renamed to final_name. + * Currenly only used for veth devices. + * @hwaddr : mac address + * @mtu : maximum transmission unit + * @priv : information specific to the specificed network type + * Note that this is a union so whether accessing a struct + * is possible is dependent on the network type. + * @ipv4 : a list of ipv4 addresses to be set on the network device + * @ipv6 : a list of ipv6 addresses to be set on the network device + * @ipv4_gateway_auto : whether the ipv4 gateway is to be automatically gathered + * from the associated @link + * @ipv4_gateway_dev : whether the ipv4 gateway is to be set as a device route + * @ipv4_gateway : ipv4 gateway + * @ipv6_gateway_auto : whether the ipv6 gateway is to be automatically gathered + * from the associated @link + * @ipv6_gateway_dev : whether the ipv6 gateway is to be set as a device route + * @ipv6_gateway : ipv6 gateway + * @upscript : a script filename to be executed during interface + * configuration + * @downscript : a script filename to be executed during interface + * destruction */ -extern int lxc_veth_create(const char *name1, const char *name2); +struct lxc_netdev { + ssize_t idx; + int ifindex; + int type; + int flags; + char link[IFNAMSIZ]; + bool l2proxy; + char name[IFNAMSIZ]; + char created_name[IFNAMSIZ]; + char *hwaddr; + char *mtu; + union netdev_p priv; + struct lxc_list ipv4; + struct lxc_list ipv6; + bool ipv4_gateway_auto; + bool ipv4_gateway_dev; + struct in_addr *ipv4_gateway; + bool ipv6_gateway_auto; + bool ipv6_gateway_dev; + struct in6_addr *ipv6_gateway; + char *upscript; + char *downscript; +}; -/* - * Create a macvlan network device - */ +/* Convert a string mac address to a socket structure. */ +extern int lxc_convert_mac(char *macaddr, struct sockaddr *sockaddr); + +/* Move a device between namespaces. */ +extern int lxc_netdev_move_by_index(int ifindex, pid_t pid, const char *ifname); +extern int lxc_netdev_move_by_name(const char *ifname, pid_t pid, + const char *newname); + +/* Delete a network device. */ +extern int lxc_netdev_delete_by_name(const char *name); +extern int lxc_netdev_delete_by_index(int ifindex); + +/* Change the device name. */ +extern int lxc_netdev_rename_by_name(const char *oldname, const char *newname); +extern int lxc_netdev_rename_by_index(int ifindex, const char *newname); + +extern int netdev_set_flag(const char *name, int flag); + +/* Set the device network up or down. */ +extern int lxc_netdev_isup(const char *name); +extern int lxc_netdev_up(const char *name); +extern int lxc_netdev_down(const char *name); + +/* Change the mtu size for the specified device. */ +extern int lxc_netdev_set_mtu(const char *name, int mtu); + +/* Create a virtual network devices. */ +extern int lxc_veth_create(const char *name1, const char *name2); extern int lxc_macvlan_create(const char *master, const char *name, int mode); +extern int lxc_vlan_create(const char *master, const char *name, + unsigned short vid); -/* - * Create a vlan network device - */ -extern int lxc_vlan_create(const char *master, const char *name, ushort vid); +/* Set ip address. */ +extern int lxc_ipv6_addr_add(int ifindex, struct in6_addr *addr, + struct in6_addr *mcast, + struct in6_addr *acast, int prefix); -/* - * Activate forwarding - */ -extern int lxc_ip_forward_on(const char *name, int family); +extern int lxc_ipv4_addr_add(int ifindex, struct in_addr *addr, + struct in_addr *bcast, int prefix); -/* - * Disable forwarding - */ -extern int lxc_ip_forward_off(const char *name, int family); +/* Get ip address. */ +extern int lxc_ipv4_addr_get(int ifindex, struct in_addr **res); +extern int lxc_ipv6_addr_get(int ifindex, struct in6_addr **res); -/* - * Set ip address - */ -extern int lxc_ip_addr_add(int family, int ifindex, void *addr, int prefix); +/* Set default route. */ +extern int lxc_ipv4_gateway_add(int ifindex, struct in_addr *gw); +extern int lxc_ipv6_gateway_add(int ifindex, struct in6_addr *gw); -/* - * Attach an interface to the bridge - */ +/* Attach an interface to the bridge. */ extern int lxc_bridge_attach(const char *bridge, const char *ifname); +extern int lxc_ovs_delete_port(const char *bridge, const char *nic); -/* - * Detach an interface from the bridge - */ -extern int lxc_bridge_detach(const char *bridge, const char *ifname); +extern bool is_ovs_bridge(const char *bridge); -/* - * Create default gateway - */ +/* Create default gateway. */ extern int lxc_route_create_default(const char *addr, const char *ifname, int gateway); -/* - * Delete default gateway - */ +/* Delete default gateway. */ extern int lxc_route_delete_default(const char *addr, const char *ifname, int gateway); -/* - * Activate neighbor proxying - */ +/* Activate neighbor proxying. */ extern int lxc_neigh_proxy_on(const char *name, int family); -/* - * Disable neighbor proxying - */ +/* Disable neighbor proxying. */ extern int lxc_neigh_proxy_off(const char *name, int family); -#endif +/* Generate a new unique network interface name. + * Allocated memory must be freed by caller. + */ +extern char *lxc_mkifname(char *template); + +extern const char *lxc_net_type_to_str(int type); +extern int setup_private_host_hw_addr(char *veth1); +extern int netdev_get_mtu(int ifindex); +extern int lxc_network_move_created_netdev_priv(struct lxc_handler *handler); +extern void lxc_delete_network(struct lxc_handler *handler); +extern int lxc_find_gateway_addresses(struct lxc_handler *handler); +extern int lxc_requests_empty_network(struct lxc_handler *handler); +extern int lxc_restore_phys_nics_to_netns(struct lxc_handler *handler); +extern int lxc_setup_network_in_child_namespaces(const struct lxc_conf *conf, + struct lxc_list *network); +extern int lxc_network_send_to_child(struct lxc_handler *handler); +extern int lxc_network_recv_from_parent(struct lxc_handler *handler); +extern int lxc_network_send_name_and_ifindex_to_parent(struct lxc_handler *handler); +extern int lxc_network_recv_name_and_ifindex_from_child(struct lxc_handler *handler); +extern int lxc_netns_set_nsid(int netns_fd); +extern int lxc_netns_get_nsid(__s32 fd); +extern int lxc_create_network(struct lxc_handler *handler); + +#endif /* __LXC_NETWORK_H */