From ef90ed08fbcde7535b4a789349b39dc25798c77d Mon Sep 17 00:00:00 2001 From: Neale Ranns Date: Thu, 13 Sep 2018 08:45:12 -0700 Subject: BIER API and load-balancing fixes Change-Id: Ibda19d786070c942c75016ab568c8361de2f24af Signed-off-by: Neale Ranns --- src/vnet/bier/bier_fwd.h | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 src/vnet/bier/bier_fwd.h (limited to 'src/vnet/bier/bier_fwd.h') diff --git a/src/vnet/bier/bier_fwd.h b/src/vnet/bier/bier_fwd.h new file mode 100644 index 00000000000..3b0b93b4baf --- /dev/null +++ b/src/vnet/bier/bier_fwd.h @@ -0,0 +1,32 @@ +/* + * Copyright (c) 2018 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __BIER_FWD_H__ +#define __BIER_FWD_H__ + +#include +#include + +static_always_inline u32 +bier_compute_flow_hash (const bier_hdr_t *hdr) +{ + u32 first_word = clib_net_to_host_u32(hdr->bh_first_word); + + return ((first_word & + BIER_HDR_ENTROPY_FIELD_MASK) >> + BIER_HDR_ENTROPY_FIELD_SHIFT); +} + +#endif -- cgit 1.2.3-korg