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authorPavel Kotucek <pkotucek@cisco.com>2017-06-14 13:56:55 +0200
committerPavel Kotucek <pkotucek@cisco.com>2017-06-23 08:11:59 +0200
commit9f5a2b6310ce5c8e59c32ca6f27d8a187b0e4346 (patch)
tree4b861426518389df6807e124130a5f8dd62a1e45 /src/vnet/ip/ip6_forward.c
parent39f92401c6b5d9bc070569c1332ffc1eacc77d68 (diff)
IP4/IP6 FIB: fix crash during interface delete
after deleting a sub interface with IP4/IP6 address vpp crash Change-Id: Ie768ca845b9e2394f61e2a8e9722a80a788746e7 Signed-off-by: Pavel Kotucek <pkotucek@cisco.com>
Diffstat (limited to 'src/vnet/ip/ip6_forward.c')
-rw-r--r--src/vnet/ip/ip6_forward.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/vnet/ip/ip6_forward.c b/src/vnet/ip/ip6_forward.c
index 17a4a6dd34b..4b574b9adbd 100644
--- a/src/vnet/ip/ip6_forward.c
+++ b/src/vnet/ip/ip6_forward.c
@@ -39,6 +39,7 @@
#include <vnet/vnet.h>
#include <vnet/ip/ip.h>
+#include <vnet/ip/ip6_neighbor.h>
#include <vnet/ethernet/ethernet.h> /* for ethernet_header_t */
#include <vnet/srp/srp.h> /* for srp_hw_interface_class */
#include <vppinfra/cache.h>
@@ -688,6 +689,26 @@ ip6_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add)
vec_validate (im->fib_index_by_sw_if_index, sw_if_index);
vec_validate (im->mfib_index_by_sw_if_index, sw_if_index);
+ if (!is_add)
+ {
+ /* Ensure that IPv6 is disabled */
+ ip6_main_t *im6 = &ip6_main;
+ ip_lookup_main_t *lm6 = &im6->lookup_main;
+ ip_interface_address_t *ia = 0;
+ ip6_address_t *address;
+ vlib_main_t *vm = vlib_get_main ();
+
+ ip6_neighbor_sw_interface_add_del (vnm, sw_if_index, 0 /* is_add */ );
+ /* *INDENT-OFF* */
+ foreach_ip_interface_address (lm6, ia, sw_if_index, 1 /* honor unnumbered */,
+ ({
+ address = ip_interface_address_get_address (lm6, ia);
+ ip6_add_del_interface_address(vm, sw_if_index, address, ia->address_length, 1);
+ }));
+ /* *INDENT-ON* */
+ ip6_mfib_interface_enable_disable (sw_if_index, 0);
+ }
+
vnet_feature_enable_disable ("ip6-unicast", "ip6-drop", sw_if_index,
is_add, 0, 0);