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Enforce Bridge Domain ID range to match 24-bit VNI range
[vpp.git]
/
src
/
vnet
/
lisp-gpe
/
interface.c
diff --git
a/src/vnet/lisp-gpe/interface.c
b/src/vnet/lisp-gpe/interface.c
index
ff75056
..
94703ab
100644
(file)
--- a/
src/vnet/lisp-gpe/interface.c
+++ b/
src/vnet/lisp-gpe/interface.c
@@
-653,6
+653,12
@@
lisp_gpe_add_l2_iface (lisp_gpe_main_t * lgm, u32 vni, u32 bd_id)
uword *hip, *si;
u16 bd_index;
uword *hip, *si;
u16 bd_index;
+ if (bd_id > L2_BD_ID_MAX)
+ {
+ clib_warning ("bridge domain ID %d exceed 16M limit", bd_id);
+ return ~0;
+ }
+
bd_index = bd_find_or_add_bd_index (&bd_main, bd_id);
hip = hash_get (l2_ifaces->hw_if_index_by_dp_table, bd_index);
bd_index = bd_find_or_add_bd_index (&bd_main, bd_id);
hip = hash_get (l2_ifaces->hw_if_index_by_dp_table, bd_index);