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| author | Stephen Hemminger <stephen.hemminger@vyatta.com> | 2009-04-29 22:16:00 -0700 |
|---|---|---|
| committer | Stephen Hemminger <stephen.hemminger@vyatta.com> | 2009-04-29 23:09:06 -0700 |
| commit | 3a0ab9d1718175098bebca664f2004ec4daacfed (patch) | |
| tree | 5ba6a7353686ffca0841fd69404ca079653c3f62 /zebra/connected.c | |
| parent | 11bbc07a287d883f3013567f897290859c428286 (diff) | |
| download | quagga-3a0ab9d1718175098bebca664f2004ec4daacfed.tar.bz2 quagga-3a0ab9d1718175098bebca664f2004ec4daacfed.tar.xz | |
Handle kernel flush when address is deleted
When interface addresses are deleted, the kernel will flush all
routes. Quagga needs to follow this correctly.
Relates to DHCP bugs 4314, 4315, ...
Diffstat (limited to 'zebra/connected.c')
| -rw-r--r-- | zebra/connected.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/zebra/connected.c b/zebra/connected.c index a3e20096..80cb8cbc 100644 --- a/zebra/connected.c +++ b/zebra/connected.c @@ -42,18 +42,25 @@ extern struct zebra_t zebrad; static void connected_withdraw (struct connected *ifc) { + if (! ifc) return; /* Update interface address information to protocol daemon. */ if (CHECK_FLAG (ifc->conf, ZEBRA_IFC_REAL)) { + int count; + zebra_interface_address_delete_update (ifc->ifp, ifc); - if_subnet_delete (ifc->ifp, ifc); + count = if_subnet_delete (ifc->ifp, ifc); if (ifc->address->family == AF_INET) + { connected_down_ipv4 (ifc->ifp, ifc); + if (count == 0) + rib_flush_interface (AFI_IP, ifc->ifp); + } #ifdef HAVE_IPV6 else connected_down_ipv6 (ifc->ifp, ifc); |