diff options
| -rw-r--r-- | src/mm-bearer-mbim.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/mm-bearer-mbim.c b/src/mm-bearer-mbim.c index 03eb3789..7988a080 100644 --- a/src/mm-bearer-mbim.c +++ b/src/mm-bearer-mbim.c @@ -563,6 +563,14 @@ ip_configuration_query_ready (MbimDevice *device, /* Netmask */ mm_bearer_ip_config_set_prefix (ipv6_config, ipv6address[0]->on_link_prefix_length); + /* If the modem has done SLAAC itself, it is never expected to return a /128 prefix, + * warn if it happens and workaround it. Use /64 as default. */ + if ((mm_bearer_ip_config_get_method (ipv6_config) == MM_BEARER_IP_METHOD_STATIC) && + (mm_bearer_ip_config_get_prefix (ipv6_config) == 128)) { + mm_obj_warn (self, "unexpected link prefix returned with global IPv6 address (128): ignoring"); + mm_bearer_ip_config_set_prefix (ipv6_config, 64); + } + /* Gateway */ if (ipv6configurationavailable & MBIM_IP_CONFIGURATION_AVAILABLE_FLAG_GATEWAY) { g_autoptr(GInetAddress) gw_addr = NULL; |