diff options
| author | Zahari Doychev <zdoychev@maxlinear.com> | 2023-06-08 12:56:46 +0200 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-06-12 17:01:45 -0700 |
| commit | d7ad70b5ef5ab8dedaa403e0e5c711ca1aa8cb14 (patch) | |
| tree | 87156e91babe91d5171d59a1ed4b4760694b5291 /include/net/flow_dissector.h | |
| parent | 3a2cb45ca0ccb5dab9b701f50cfd981f8dfd1673 (diff) | |
net: flow_dissector: add support for cfm packets
Add support for dissecting cfm packets. The cfm packet header
fields maintenance domain level and opcode can be dissected.
Signed-off-by: Zahari Doychev <zdoychev@maxlinear.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/net/flow_dissector.h')
| -rw-r--r-- | include/net/flow_dissector.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/net/flow_dissector.h b/include/net/flow_dissector.h index 8b41668c77fc..8664ed4fbbdf 100644 --- a/include/net/flow_dissector.h +++ b/include/net/flow_dissector.h @@ -301,6 +301,26 @@ struct flow_dissector_key_l2tpv3 { __be32 session_id; }; +/** + * struct flow_dissector_key_cfm + * @mdl_ver: maintenance domain level (mdl) and cfm protocol version + * @opcode: code specifying a type of cfm protocol packet + * + * See 802.1ag, ITU-T G.8013/Y.1731 + * 1 2 + * |7 6 5 4 3 2 1 0|7 6 5 4 3 2 1 0| + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | mdl | version | opcode | + * +-----+---------+-+-+-+-+-+-+-+-+ + */ +struct flow_dissector_key_cfm { + u8 mdl_ver; + u8 opcode; +}; + +#define FLOW_DIS_CFM_MDL_MASK GENMASK(7, 5) +#define FLOW_DIS_CFM_MDL_MAX 7 + enum flow_dissector_key_id { FLOW_DISSECTOR_KEY_CONTROL, /* struct flow_dissector_key_control */ FLOW_DISSECTOR_KEY_BASIC, /* struct flow_dissector_key_basic */ @@ -333,6 +353,7 @@ enum flow_dissector_key_id { FLOW_DISSECTOR_KEY_NUM_OF_VLANS, /* struct flow_dissector_key_num_of_vlans */ FLOW_DISSECTOR_KEY_PPPOE, /* struct flow_dissector_key_pppoe */ FLOW_DISSECTOR_KEY_L2TPV3, /* struct flow_dissector_key_l2tpv3 */ + FLOW_DISSECTOR_KEY_CFM, /* struct flow_dissector_key_cfm */ FLOW_DISSECTOR_KEY_MAX, }; |