| /* |
| * Copyright (c) 2019 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 __IP_FLOW_HASH_H__ |
| #define __IP_FLOW_HASH_H__ |
| |
| /** Default: 5-tuple + flowlabel without the "reverse" bit */ |
| #define IP_FLOW_HASH_DEFAULT (0x9F) |
| |
| #define foreach_flow_hash_bit_v1 \ |
| _ (src, IP_FLOW_HASH_SRC_ADDR) \ |
| _ (dst, IP_FLOW_HASH_DST_ADDR) \ |
| _ (sport, IP_FLOW_HASH_SRC_PORT) \ |
| _ (dport, IP_FLOW_HASH_DST_PORT) \ |
| _ (proto, IP_FLOW_HASH_PROTO) \ |
| _ (reverse, IP_FLOW_HASH_REVERSE_SRC_DST) \ |
| _ (symmetric, IP_FLOW_HASH_SYMMETRIC) |
| |
| #define foreach_flow_hash_bit \ |
| _ (src, 0, IP_FLOW_HASH_SRC_ADDR) \ |
| _ (dst, 1, IP_FLOW_HASH_DST_ADDR) \ |
| _ (sport, 2, IP_FLOW_HASH_SRC_PORT) \ |
| _ (dport, 3, IP_FLOW_HASH_DST_PORT) \ |
| _ (proto, 4, IP_FLOW_HASH_PROTO) \ |
| _ (reverse, 5, IP_FLOW_HASH_REVERSE_SRC_DST) \ |
| _ (symmetric, 6, IP_FLOW_HASH_SYMMETRIC) \ |
| _ (flowlabel, 7, IP_FLOW_HASH_FL) |
| |
| /** |
| * A flow hash configuration is a mask of the flow hash options |
| */ |
| typedef enum flow_hash_config_t_ |
| { |
| #define _(a, b, c) c = (1 << b), |
| foreach_flow_hash_bit |
| #undef _ |
| } flow_hash_config_t; |
| |
| #endif /* __IP_TYPES_H__ */ |
| |
| /* |
| * fd.io coding-style-patch-verification: ON |
| * |
| * Local Variables: |
| * eval: (c-set-style "gnu") |
| * End: |
| */ |