diff options
Diffstat (limited to 'src/vnet/adj/adj_midchain.c')
| -rw-r--r-- | src/vnet/adj/adj_midchain.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/src/vnet/adj/adj_midchain.c b/src/vnet/adj/adj_midchain.c index 93cfb550e3e..a21cd21ea25 100644 --- a/src/vnet/adj/adj_midchain.c +++ b/src/vnet/adj/adj_midchain.c @@ -623,8 +623,23 @@ adj_nbr_midchain_stack_on_fib_entry (adj_index_t ai, choice = load_balance_get_bucket_i (lb, hash & lb->lb_n_buckets_minus_1); dpo_copy (&tmp, choice); } - else if (adj->ia_flags & ADJ_FLAG_MIDCHAIN_FIXUP_FLOW_HASH) + else if (lb->lb_n_buckets > 1) { + /* + * the client has chosen not to use the stacking to select a + * bucket, and there are more than one buckets. there's no + * value in using the midchain's fixed rewrite string to select + * the path, so force a flow hash on the inner. + */ + adj->rewrite_header.flags |= VNET_REWRITE_FIXUP_FLOW_HASH; + } + + if (adj->ia_flags & ADJ_FLAG_MIDCHAIN_FIXUP_FLOW_HASH) + { + /* + * The client, for reasons unbeknownst to adj, wants to force + * a flow hash on the inner, we will oblige. + */ adj->rewrite_header.flags |= VNET_REWRITE_FIXUP_FLOW_HASH; } } |