diff options
Diffstat (limited to 'src/network/networkd-dhcp-common.c')
| -rw-r--r-- | src/network/networkd-dhcp-common.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/network/networkd-dhcp-common.c b/src/network/networkd-dhcp-common.c index 2537561265..c338c775a7 100644 --- a/src/network/networkd-dhcp-common.c +++ b/src/network/networkd-dhcp-common.c @@ -58,9 +58,16 @@ void network_adjust_dhcp(Network *network) { } } +static struct DUID fallback_duid = { .type = DUID_TYPE_EN }; DUID* link_get_duid(Link *link) { if (link->network->duid.type != _DUID_TYPE_INVALID) return &link->network->duid; + else if (link->hw_addr.length == 0 && + (link->manager->duid.type == DUID_TYPE_LLT || + link->manager->duid.type == DUID_TYPE_LL)) + /* Fallback to DUID that works without mac addresses. + * This is useful for tunnel devices without mac address. */ + return &fallback_duid; else return &link->manager->duid; } |