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authorFilip Tehlar <ftehlar@cisco.com>2017-04-21 12:05:58 +0200
committerFlorin Coras <florin.coras@gmail.com>2017-04-25 07:40:43 +0000
commit68d2e24fbba2ab67eaaec1192db827325fc9068e (patch)
tree0cdc29198db723ce04f20961241455fa91acd746 /src/vnet/lisp-cp
parent1664f9ba4a154f6d11870e0bb9fdaa527b5afbaf (diff)
LISP: clean DP when deleting locators in use
Change-Id: Ia8736916bf59006bc581fe477db51ddd6bcc15e5 Signed-off-by: Filip Tehlar <ftehlar@cisco.com>
Diffstat (limited to 'src/vnet/lisp-cp')
-rw-r--r--src/vnet/lisp-cp/control.c90
1 files changed, 76 insertions, 14 deletions
diff --git a/src/vnet/lisp-cp/control.c b/src/vnet/lisp-cp/control.c
index ebbd1be2e37..1ab39733e59 100644
--- a/src/vnet/lisp-cp/control.c
+++ b/src/vnet/lisp-cp/control.c
@@ -1477,6 +1477,54 @@ is_locator_in_locator_set (lisp_cp_main_t * lcm, locator_set_t * ls,
return 0;
}
+static void
+update_adjacencies_by_map_index (lisp_cp_main_t * lcm, u8 is_local,
+ u32 mapping_index, u8 remove_only)
+{
+ fwd_entry_t *fwd;
+ mapping_t *map;
+ vnet_lisp_add_del_adjacency_args_t _a, *a = &_a;
+
+ map = pool_elt_at_index (lcm->mapping_pool, mapping_index);
+
+ /* *INDENT-OFF* */
+ pool_foreach(fwd, lcm->fwd_entry_pool,
+ ({
+ if ((is_local && 0 == gid_address_cmp (&map->eid, &fwd->leid)) ||
+ (!is_local && 0 == gid_address_cmp (&map->eid, &fwd->reid)))
+ {
+ a->is_add = 0;
+ gid_address_copy (&a->leid, &fwd->leid);
+ gid_address_copy (&a->reid, &fwd->reid);
+
+ vnet_lisp_add_del_adjacency (a);
+
+ if (!remove_only)
+ {
+ a->is_add = 1;
+ vnet_lisp_add_del_adjacency (a);
+ }
+ }
+ }));
+ /* *INDENT-ON* */
+}
+
+static void
+update_fwd_entries_by_locator_set (lisp_cp_main_t * lcm, u8 is_local,
+ u32 ls_index, u8 remove_only)
+{
+ u32 i, *map_indexp;
+ u32 **eid_indexes;
+ eid_indexes = vec_elt_at_index (lcm->locator_set_to_eids, ls_index);
+
+ for (i = 0; i < vec_len (eid_indexes[0]); i++)
+ {
+ map_indexp = vec_elt_at_index (eid_indexes[0], i);
+ update_adjacencies_by_map_index (lcm, is_local, map_indexp[0],
+ remove_only);
+ }
+}
+
static inline void
remove_locator_from_locator_set (locator_set_t * ls, u32 * locit,
u32 ls_index, u32 loc_id)
@@ -1559,24 +1607,38 @@ vnet_lisp_add_del_locator (vnet_lisp_add_del_locator_set_args_t * a,
else
{
ls_index = p[0];
+ u8 removed;
- itloc = a->locators;
- loc_id = 0;
- vec_foreach (locit, ls->locator_indices)
+ vec_foreach (itloc, a->locators)
{
- loc = pool_elt_at_index (lcm->locator_pool, locit[0]);
+ removed = 0;
+ loc_id = 0;
+ vec_foreach (locit, ls->locator_indices)
+ {
+ loc = pool_elt_at_index (lcm->locator_pool, locit[0]);
- if (loc->local && loc->sw_if_index == itloc->sw_if_index)
- {
- remove_locator_from_locator_set (ls, locit, ls_index, loc_id);
- }
- if (0 == loc->local &&
- !gid_address_cmp (&loc->address, &itloc->address))
- {
- remove_locator_from_locator_set (ls, locit, ls_index, loc_id);
- }
+ if (loc->local && loc->sw_if_index == itloc->sw_if_index)
+ {
+ removed = 1;
+ remove_locator_from_locator_set (ls, locit, ls_index, loc_id);
+ }
+ if (0 == loc->local &&
+ !gid_address_cmp (&loc->address, &itloc->address))
+ {
+ removed = 1;
+ remove_locator_from_locator_set (ls, locit, ls_index, loc_id);
+ }
- loc_id++;
+ if (removed)
+ {
+ /* update fwd entries using this locator in DP */
+ update_fwd_entries_by_locator_set (lcm, loc->local, ls_index,
+ vec_len (ls->locator_indices)
+ == 0);
+ }
+
+ loc_id++;
+ }
}
}