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authorNeale Ranns <nranns@cisco.com>2017-12-05 13:24:04 -0800
committerFlorin Coras <florin.coras@gmail.com>2017-12-09 20:55:08 +0000
commit9128637ee8f7b0d903551f165a1447d427e8dd19 (patch)
tree244014dd1064643946d64066e352ee1627bf622c /src/vnet/bier/bier_entry.c
parentcef87f1a5eb4d69cf11ce1cd3c5506edcfba74c4 (diff)
BIER in non-MPLS netowrks
as decsribed in section 2.2 ihttps://tools.ietf.org/html/draft-ietf-bier-mpls-encapsulation-10 with BIFT encoding from: https://tools.ietf.org/html/draft-wijnandsxu-bier-non-mpls-bift-encoding-00 changes: 1 - introduce the new BIFT lookup table. BIER tables that have an associated MPLS label are added to the MPLS-FIB. Those that don't are added to the BIER table 2 - BIER routes that have no associated output MPLS label will add a BIFT label. 3 - The BIER FMask has a path-list as a member to resolve via any possible path. Change-Id: I1fd4d9dbd074f0e855c16e9329b81460ebe1efce Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/vnet/bier/bier_entry.c')
-rw-r--r--src/vnet/bier/bier_entry.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/src/vnet/bier/bier_entry.c b/src/vnet/bier/bier_entry.c
index 88be8125f51..2f8d25008cc 100644
--- a/src/vnet/bier/bier_entry.c
+++ b/src/vnet/bier/bier_entry.c
@@ -116,18 +116,23 @@ bier_entry_table_ecmp_walk_add_fmask (index_t btei,
fib_path_list_contribute_forwarding(be->be_path_list,
FIB_FORW_CHAIN_TYPE_BIER,
+ FIB_PATH_LIST_FWD_FLAG_COLLAPSE,
&dpo);
/*
* select the appropriate bucket from the LB
*/
- ASSERT(dpo.dpoi_type == DPO_LOAD_BALANCE);
-
- lb = load_balance_get(dpo.dpoi_index);
-
- choice = load_balance_get_bucket_i(lb,
- btid->bti_ecmp &
- (lb->lb_n_buckets_minus_1));
+ if (dpo.dpoi_type == DPO_LOAD_BALANCE)
+ {
+ lb = load_balance_get(dpo.dpoi_index);
+ choice = load_balance_get_bucket_i(lb,
+ btid->bti_ecmp &
+ (lb->lb_n_buckets_minus_1));
+ }
+ else
+ {
+ choice = &dpo;
+ }
if (choice->dpoi_type == DPO_BIER_FMASK)
{
@@ -293,6 +298,7 @@ bier_entry_contribute_forwarding(index_t bei,
fib_path_list_contribute_forwarding(be->be_path_list,
FIB_FORW_CHAIN_TYPE_BIER,
+ FIB_PATH_LIST_FWD_FLAG_COLLAPSE,
dpo);
}