diff options
Diffstat (limited to 'src/core/devices/nm-device-veth.c')
| -rw-r--r-- | src/core/devices/nm-device-veth.c | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/src/core/devices/nm-device-veth.c b/src/core/devices/nm-device-veth.c index c3482e78..17115d33 100644 --- a/src/core/devices/nm-device-veth.c +++ b/src/core/devices/nm-device-veth.c @@ -81,11 +81,13 @@ create_and_realize(NMDevice *device, const NMPlatformLink **out_plink, GError **error) { - const char *iface = nm_device_get_iface(device); - const char *peer; - NMDevice *peer_device; - NMSettingVeth *s_veth; - int r; + NMPlatform *platform = nm_device_get_platform(device); + const char *iface = nm_device_get_iface(device); + NMSettingVeth *s_veth; + const NMPlatformLink *plink; + const NMPlatformLink *peer_plink; + int peer_ifindex; + int r; s_veth = _nm_connection_get_setting(connection, NM_TYPE_SETTING_VETH); if (!s_veth) { @@ -98,15 +100,23 @@ create_and_realize(NMDevice *device, return FALSE; } - peer = nm_setting_veth_get_peer(s_veth); - peer_device = nm_manager_get_device(NM_MANAGER_GET, peer, NM_DEVICE_TYPE_VETH); - if (peer_device) { - if (nm_device_parent_get_device(peer_device)) - /* The veth device and its peer already exist. No need to create it again. */ + /* For veths, users can define two connection profiles referencing each + * other as 'veth.peer'. Only the first to be activated will actually + * create the veth pair; the other must detect that interfaces already + * exist and proceed. */ + plink = nm_platform_link_get_by_ifname(platform, iface); + if (plink && nm_platform_link_veth_get_properties(platform, plink->ifindex, &peer_ifindex)) { + peer_plink = nm_platform_link_get(platform, peer_ifindex); + if (peer_plink && peer_plink->type == NM_LINK_TYPE_VETH + && nm_streq0(peer_plink->name, nm_setting_veth_get_peer(s_veth))) { return TRUE; + } } - r = nm_platform_link_veth_add(nm_device_get_platform(device), iface, peer, out_plink); + r = nm_platform_link_veth_add(nm_device_get_platform(device), + iface, + nm_setting_veth_get_peer(s_veth), + out_plink); if (r < 0) { g_set_error(error, NM_DEVICE_ERROR, |