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Unlock LISP source FIB if only default left

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If when removing a source route the LISP source FIB contains only the
default, remove the whole source FIB. Defaults are added when FIBs are
created so no forwarding entry depends on them.

Change-Id: I0dd5dc31d128d834ac3b92c962c4c68577aa7429
Signed-off-by: Florin Coras <fcoras@cisco.com>
This commit is contained in:
Florin Coras
2016-11-27 22:33:01 -08:00
parent dc5252b17a
commit feeebfe019
1 changed files with 12 additions and 2 deletions
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14
vnet/vnet/lisp-gpe/lisp_gpe_fwd_entry.c
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@ -150,12 +150,22 @@ ip_src_dst_fib_del_route (u32 src_fib_index,
fib_table_entry_delete (src_fib_index, &src_fib_prefix, FIB_SOURCE_LISP); fib_table_entry_delete (src_fib_index, &src_fib_prefix, FIB_SOURCE_LISP);
if (0 == fib_table_get_num_entries (src_fib_index, /* check if only default left */
if (1 == fib_table_get_num_entries (src_fib_index,
src_fib_prefix.fp_proto, src_fib_prefix.fp_proto,
FIB_SOURCE_LISP)) FIB_SOURCE_LISP))
{ {
/* /*
* there's nothing left, unlock the source FIB and the * remove src FIB default route
*/
fib_prefix_t prefix = {
.fp_proto = dst_fib_prefix.fp_proto,
};
fib_table_entry_special_remove (src_fib_index, &prefix,
FIB_SOURCE_LISP);
/*
* there's nothing left now, unlock the source FIB and the
* destination route * destination route
*/ */
fib_table_entry_special_remove (dst_fib_index, fib_table_entry_special_remove (dst_fib_index,