GID dictionary IP prefix entries are rewritten with more narrow one
which is not desirable. This patch does exact matching instead of
longest prefix matching.
Change-Id: I0191e23229a69ffe86f82ea4d71e4a5534dbb5b0
Signed-off-by: Filip Tehlar <ftehlar@cisco.com>
if (feip)
dp_del_fwd_entry (lcm, src_map_index, dst_map_index);
if (feip)
dp_del_fwd_entry (lcm, src_map_index, dst_map_index);
- src_map = pool_elt_at_index (lcm->mapping_pool, src_map_index);
+ if (lcm->lisp_pitr)
+ src_map = pool_elt_at_index (lcm->mapping_pool, lcm->pitr_map_index);
+ else
+ src_map = pool_elt_at_index (lcm->mapping_pool, src_map_index);
dst_map = pool_elt_at_index (lcm->mapping_pool, dst_map_index);
/* insert data plane forwarding entry */
dst_map = pool_elt_at_index (lcm->mapping_pool, dst_map_index);
/* insert data plane forwarding entry */
return GID_LOOKUP_MISS;
}
return GID_LOOKUP_MISS;
}
+static u32
+ip4_lookup_exact_match (gid_ip4_table_t * db, u32 vni, ip_prefix_t * key)
+{
+ int rv;
+ BVT (clib_bihash_kv) kv, value;
+
+ ip4_address_t *mask;
+
+ mask = &db->ip4_fib_masks[ip_prefix_len (key)];
+
+ kv.key[0] = ((u64) vni << 32) | (ip_prefix_v4 (key).as_u32 & mask->as_u32);
+ kv.key[1] = 0;
+ kv.key[2] = 0;
+
+ rv = BV (clib_bihash_search_inline_2) (&db->ip4_lookup_table, &kv, &value);
+ if (rv == 0)
+ return value.value;
+
+ return GID_LOOKUP_MISS;
+}
+
static u32
ip4_lookup (gid_ip4_table_t * db, u32 vni, ip_prefix_t * key)
{
static u32
ip4_lookup (gid_ip4_table_t * db, u32 vni, ip_prefix_t * key)
{
return GID_LOOKUP_MISS;
}
return GID_LOOKUP_MISS;
}
+static u32
+ip6_lookup_exact_match (gid_ip6_table_t * db, u32 vni, ip_prefix_t * key)
+{
+ int rv;
+ BVT (clib_bihash_kv) kv, value;
+
+ ip6_address_t *mask;
+ mask = &db->ip6_fib_masks[ip_prefix_len (key)];
+
+ kv.key[0] = ip_prefix_v6 (key).as_u64[0] & mask->as_u64[0];
+ kv.key[1] = ip_prefix_v6 (key).as_u64[1] & mask->as_u64[1];
+ kv.key[2] = (u64) vni;
+
+ rv = BV (clib_bihash_search_inline_2) (&db->ip6_lookup_table, &kv, &value);
+ if (rv == 0)
+ return value.value;
+
+ return GID_LOOKUP_MISS;
+}
+
static u32
ip6_lookup (gid_ip6_table_t * db, u32 vni, ip_prefix_t * key)
{
static u32
ip6_lookup (gid_ip6_table_t * db, u32 vni, ip_prefix_t * key)
{
{
ip_prefix_t sp;
memset (&sp, 0, sizeof (sp));
{
ip_prefix_t sp;
memset (&sp, 0, sizeof (sp));
- return ip4_lookup (sfib4, 0, &sp);
+ return ip4_lookup_exact_match (sfib4, 0, &sp);
}
else
return ip4_lookup (sfib4, 0, src);
}
else
return ip4_lookup (sfib4, 0, src);
ip_prefix_t sp;
memset (&sp, 0, sizeof (sp));
ip_prefix_version (&sp) = IP6;
ip_prefix_t sp;
memset (&sp, 0, sizeof (sp));
ip_prefix_version (&sp) = IP6;
- return ip6_lookup (sfib6, 0, &sp);
+ return ip6_lookup_exact_match (sfib6, 0, &sp);
}
else
return ip6_lookup (sfib6, 0, src);
}
else
return ip6_lookup (sfib6, 0, src);
u32 sfi, old_val = ~0;
gid_ip4_table_t *sfib;
u32 sfi, old_val = ~0;
gid_ip4_table_t *sfib;
- sfi = ip4_lookup (&db->dst_ip4_table, vni, dst_pref);
+ sfi = ip4_lookup_exact_match (&db->dst_ip4_table, vni, dst_pref);
sfib = pool_elt_at_index (db->src_ip4_table_pool, sfi);
if (src_pref)
{
sfib = pool_elt_at_index (db->src_ip4_table_pool, sfi);
if (src_pref)
{
- old_val = ip4_lookup (sfib, 0, src_pref);
+ old_val = ip4_lookup_exact_match (sfib, 0, src_pref);
add_del_ip4_key (sfib, 0 /* vni */ , src_pref, val, is_add);
}
else
add_del_ip4_key (sfib, 0 /* vni */ , src_pref, val, is_add);
}
else
u32 sfi, old_val = ~0;
gid_ip6_table_t *sfib;
u32 sfi, old_val = ~0;
gid_ip6_table_t *sfib;
- sfi = ip6_lookup (&db->dst_ip6_table, vni, dst_pref);
+ sfi = ip6_lookup_exact_match (&db->dst_ip6_table, vni, dst_pref);
{
ip_prefix_t sp;
memset (&sp, 0, sizeof (sp));
{
ip_prefix_t sp;
memset (&sp, 0, sizeof (sp));
+ ip_prefix_version (&sp) = IP6;
add_del_ip6_key (sfib, 0 /* vni */ , &sp, val, is_add);
}
}
add_del_ip6_key (sfib, 0 /* vni */ , &sp, val, is_add);
}
}
sfib = pool_elt_at_index (db->src_ip6_table_pool, sfi);
if (src_pref)
{
sfib = pool_elt_at_index (db->src_ip6_table_pool, sfi);
if (src_pref)
{
- old_val = ip6_lookup (sfib, 0, src_pref);
+ old_val = ip6_lookup_exact_match (sfib, 0, src_pref);
add_del_ip6_key (sfib, 0 /* vni */ , src_pref, val, is_add);
}
else
{
ip_prefix_t sp;
memset (&sp, 0, sizeof (sp));
add_del_ip6_key (sfib, 0 /* vni */ , src_pref, val, is_add);
}
else
{
ip_prefix_t sp;
memset (&sp, 0, sizeof (sp));
+ ip_prefix_version (&sp) = IP6;
old_val =
add_del_ip6_key (sfib, 0 /* vni */ , &sp, val, is_add);
}
old_val =
add_del_ip6_key (sfib, 0 /* vni */ , &sp, val, is_add);
}
{
ip_prefix_t sp;
memset (&sp, 0, sizeof (sp));
{
ip_prefix_t sp;
memset (&sp, 0, sizeof (sp));
+ ip_prefix_version (&sp) = IP6;
old_val = add_del_ip6_key (sfib, 0, &sp, 0, is_add);
}
}
old_val = add_del_ip6_key (sfib, 0, &sp, 0, is_add);
}
}