diff options
Diffstat (limited to 'src/rdisc/nm-rdisc.c')
| -rw-r--r-- | src/rdisc/nm-rdisc.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/src/rdisc/nm-rdisc.c b/src/rdisc/nm-rdisc.c index cad3a90eed..a7c7f631c7 100644 --- a/src/rdisc/nm-rdisc.c +++ b/src/rdisc/nm-rdisc.c @@ -87,11 +87,46 @@ nm_rdisc_add_gateway (NMRDisc *rdisc, const NMRDiscGateway *new) return !!new->lifetime; } +/** + * complete_address: + * @rdisc: the #NMRDisc + * @addr: the #NMRDiscAddress + * + * Adds the host part to the address that has network part set. + * If the address already has a host part, add a different host part + * if possible (this is useful in case DAD failed). + * + * Can fail if a different address can not be generated (DAD failure + * for an EUI-64 address or DAD counter overflow). + * + * Returns: %TRUE if the address could be completed, %FALSE otherwise. + **/ +static gboolean +complete_address (NMRDisc *rdisc, NMRDiscAddress *addr) +{ + if (!rdisc->iid.id) { + _LOGW ("complete-address: can't generate an EUI-64 address: no interface identifier"); + return FALSE; + } + + if (addr->address.s6_addr32[2] == 0x0 && addr->address.s6_addr32[3] == 0x0) { + _LOGD ("complete-address: adding an EUI-64 address"); + nm_utils_ipv6_addr_set_interface_identfier (&addr->address, rdisc->iid); + return TRUE; + } + + _LOGW ("complete-address: can't generate a new EUI-64 address"); + return FALSE; +} + gboolean -nm_rdisc_add_address (NMRDisc *rdisc, const NMRDiscAddress *new) +nm_rdisc_complete_and_add_address (NMRDisc *rdisc, NMRDiscAddress *new) { int i; + if (!complete_address (rdisc, new)) + return FALSE; + for (i = 0; i < rdisc->addresses->len; i++) { NMRDiscAddress *item = &g_array_index (rdisc->addresses, NMRDiscAddress, i); |