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authorNeale Ranns <nranns@cisco.com>2017-05-26 03:48:53 -0700
committerDamjan Marion <dmarion.lists@gmail.com>2017-05-26 18:15:31 +0000
commit6af1c04f925f0d74fc02789cf8227706ed6a8c2a (patch)
tree4661458544f73e55df5141f361a8244b8066f69e /src/vnet/dpo
parentdcd6d6254a2b204a4283c889d1feac8f59a62639 (diff)
MPLS lookup DPO does not pop the label (nor does it handle replicate)
Change-Id: I7de6b96631d1645d0eadd38525860d84d78e316d Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/vnet/dpo')
-rw-r--r--src/vnet/dpo/lookup_dpo.c47
1 files changed, 41 insertions, 6 deletions
diff --git a/src/vnet/dpo/lookup_dpo.c b/src/vnet/dpo/lookup_dpo.c
index cf489d7eb35..26363a2f0fa 100644
--- a/src/vnet/dpo/lookup_dpo.c
+++ b/src/vnet/dpo/lookup_dpo.c
@@ -15,8 +15,8 @@
#include <vnet/ip/ip.h>
#include <vnet/dpo/lookup_dpo.h>
-#include <vnet/dpo/load_balance.h>
-#include <vnet/mpls/mpls.h>
+#include <vnet/dpo/load_balance_map.h>
+#include <vnet/mpls/mpls_lookup.h>
#include <vnet/fib/fib_table.h>
#include <vnet/fib/ip4_fib.h>
#include <vnet/fib/ip6_fib.h>
@@ -999,7 +999,7 @@ lookup_dpo_mpls_inline (vlib_main_t * vm,
while (n_left_from > 0 && n_left_to_next > 0)
{
- u32 bi0, lkdi0, lbi0, fib_index0, next0;
+ u32 bi0, lkdi0, lbi0, fib_index0, next0, hash0;
const mpls_unicast_header_t * hdr0;
const load_balance_t *lb0;
const lookup_dpo_t * lkd0;
@@ -1043,9 +1043,44 @@ lookup_dpo_mpls_inline (vlib_main_t * vm,
next0 = dpo0->dpoi_next_node;
vnet_buffer(b0)->ip.adj_index[VLIB_TX] = dpo0->dpoi_index;
- vlib_increment_combined_counter
- (cm, thread_index, lbi0, 1,
- vlib_buffer_length_in_chain (vm, b0));
+
+ if (MPLS_IS_REPLICATE & lbi0)
+ {
+ next0 = mpls_lookup_to_replicate_edge;
+ vnet_buffer (b0)->ip.adj_index[VLIB_TX] =
+ (lbi0 & ~MPLS_IS_REPLICATE);
+ }
+ else
+ {
+ lb0 = load_balance_get(lbi0);
+ ASSERT (lb0->lb_n_buckets > 0);
+ ASSERT (is_pow2 (lb0->lb_n_buckets));
+
+ if (PREDICT_FALSE(lb0->lb_n_buckets > 1))
+ {
+ hash0 = vnet_buffer (b0)->ip.flow_hash =
+ mpls_compute_flow_hash(hdr0, lb0->lb_hash_config);
+ dpo0 = load_balance_get_fwd_bucket
+ (lb0,
+ (hash0 & (lb0->lb_n_buckets_minus_1)));
+ }
+ else
+ {
+ dpo0 = load_balance_get_bucket_i (lb0, 0);
+ }
+ next0 = dpo0->dpoi_next_node;
+
+ vnet_buffer (b0)->ip.adj_index[VLIB_TX] = dpo0->dpoi_index;
+
+ vlib_increment_combined_counter
+ (cm, thread_index, lbi0, 1,
+ vlib_buffer_length_in_chain (vm, b0));
+ }
+
+ vnet_buffer (b0)->mpls.ttl = ((char*)hdr0)[3];
+ vnet_buffer (b0)->mpls.exp = (((char*)hdr0)[2] & 0xe) >> 1;
+ vnet_buffer (b0)->mpls.first = 1;
+ vlib_buffer_advance(b0, sizeof(*hdr0));
if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED))
{