diff options
| author |   Neale Ranns <neale@graphiant.com> | 2021-01-22 16:12:38 +0000 |
|---|---|---|
| committer |   Ole Tr�an <otroan@employees.org> | 2021-01-28 09:47:56 +0000 |
| commit | 3d5f08a825a978cd6853989a5df8c9b9811e7fb8 (patch) | |
| tree | c12651cb21792551accced579d7949e3e1ae4a56 /src/vnet/ip/ip_flow_hash.h | |
| parent | 86c7ff6a4c014b65af0d309173e89c2fe8377614 (diff) | |
ip: Router ID included in flow hash
Type: feature
A device/router needs to have a unique ID which is included in the flow
has so that flows are not polarised through the network, i.e. each deice
in the network chooses the same nth link for the same flow.
Signed-off-by: Neale Ranns <neale@graphiant.com>
Change-Id: I963e03674adbb085902b4084fdc4886b88f5734c
Diffstat (limited to 'src/vnet/ip/ip_flow_hash.h')
| -rw-r--r-- | src/vnet/ip/ip_flow_hash.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/vnet/ip/ip_flow_hash.h b/src/vnet/ip/ip_flow_hash.h index 82e0efb0d08..bd37ef7307b 100644 --- a/src/vnet/ip/ip_flow_hash.h +++ b/src/vnet/ip/ip_flow_hash.h @@ -16,6 +16,8 @@ #ifndef __IP_FLOW_HASH_H__ #define __IP_FLOW_HASH_H__ +#include <vnet/ip/ip_types.h> + /** Default: 5-tuple + flowlabel without the "reverse" bit */ #define IP_FLOW_HASH_DEFAULT (0x9F) @@ -48,6 +50,13 @@ typedef enum flow_hash_config_t_ #undef _ } flow_hash_config_t; +/* Router ID mixed into the flow hash to prevent network polarisation */ +extern u32 ip_flow_hash_router_id; + +int ip_flow_hash_set (ip_address_family_t af, u32 table_id, + flow_hash_config_t flow_hash_config); +void ip_flow_hash_router_id_set (u32 router_id); + #endif /* __IP_TYPES_H__ */ /* |