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mlxsw: reg: Add Switch Filtering Database register definition
Add the SFD register which is responsible for filtering database manipulation, including static and dynamic FDB entries. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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  • drivers/net/ethernet/mellanox/mlxsw

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‎drivers/net/ethernet/mellanox/mlxsw/reg.h

Lines changed: 216 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -157,6 +157,220 @@ static inline void mlxsw_reg_sspr_pack(char *payload, u8 local_port)
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mlxsw_reg_sspr_system_port_set(payload, local_port);
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}
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/* SFD - Switch Filtering Database
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* -------------------------------
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* The following register defines the access to the filtering database.
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* The register supports querying, adding, removing and modifying the database.
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* The access is optimized for bulk updates in which case more than one
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* FDB record is present in the same command.
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*/
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#define MLXSW_REG_SFD_ID 0x200A
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#define MLXSW_REG_SFD_BASE_LEN 0x10 /* base length, without records */
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#define MLXSW_REG_SFD_REC_LEN 0x10 /* record length */
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#define MLXSW_REG_SFD_REC_MAX_COUNT 64
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#define MLXSW_REG_SFD_LEN (MLXSW_REG_SFD_BASE_LEN + \
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MLXSW_REG_SFD_REC_LEN * MLXSW_REG_SFD_REC_MAX_COUNT)
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static const struct mlxsw_reg_info mlxsw_reg_sfd = {
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.id = MLXSW_REG_SFD_ID,
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.len = MLXSW_REG_SFD_LEN,
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};
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/* reg_sfd_swid
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* Switch partition ID for queries. Reserved on Write.
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* Access: Index
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*/
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MLXSW_ITEM32(reg, sfd, swid, 0x00, 24, 8);
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enum mlxsw_reg_sfd_op {
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/* Dump entire FDB a (process according to record_locator) */
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MLXSW_REG_SFD_OP_QUERY_DUMP = 0,
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/* Query records by {MAC, VID/FID} value */
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MLXSW_REG_SFD_OP_QUERY_QUERY = 1,
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/* Query and clear activity. Query records by {MAC, VID/FID} value */
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MLXSW_REG_SFD_OP_QUERY_QUERY_AND_CLEAR_ACTIVITY = 2,
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/* Test. Response indicates if each of the records could be
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* added to the FDB.
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*/
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MLXSW_REG_SFD_OP_WRITE_TEST = 0,
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/* Add/modify. Aged-out records cannot be added. This command removes
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* the learning notification of the {MAC, VID/FID}. Response includes
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* the entries that were added to the FDB.
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*/
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MLXSW_REG_SFD_OP_WRITE_EDIT = 1,
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/* Remove record by {MAC, VID/FID}. This command also removes
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* the learning notification and aged-out notifications
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* of the {MAC, VID/FID}. The response provides current (pre-removal)
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* entries as non-aged-out.
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*/
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MLXSW_REG_SFD_OP_WRITE_REMOVE = 2,
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/* Remove learned notification by {MAC, VID/FID}. The response provides
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* the removed learning notification.
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*/
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MLXSW_REG_SFD_OP_WRITE_REMOVE_NOTIFICATION = 2,
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};
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/* reg_sfd_op
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* Operation.
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* Access: OP
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*/
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MLXSW_ITEM32(reg, sfd, op, 0x04, 30, 2);
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/* reg_sfd_record_locator
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* Used for querying the FDB. Use record_locator=0 to initiate the
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* query. When a record is returned, a new record_locator is
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* returned to be used in the subsequent query.
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* Reserved for database update.
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* Access: Index
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*/
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MLXSW_ITEM32(reg, sfd, record_locator, 0x04, 0, 30);
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/* reg_sfd_num_rec
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* Request: Number of records to read/add/modify/remove
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* Response: Number of records read/added/replaced/removed
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* See above description for more details.
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* Ranges 0..64
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* Access: RW
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*/
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MLXSW_ITEM32(reg, sfd, num_rec, 0x08, 0, 8);
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static inline void mlxsw_reg_sfd_pack(char *payload, enum mlxsw_reg_sfd_op op,
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u32 record_locator)
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{
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MLXSW_REG_ZERO(sfd, payload);
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mlxsw_reg_sfd_op_set(payload, op);
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mlxsw_reg_sfd_record_locator_set(payload, record_locator);
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}
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/* reg_sfd_rec_swid
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* Switch partition ID.
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* Access: Index
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*/
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MLXSW_ITEM32_INDEXED(reg, sfd, rec_swid, MLXSW_REG_SFD_BASE_LEN, 24, 8,
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MLXSW_REG_SFD_REC_LEN, 0x00, false);
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enum mlxsw_reg_sfd_rec_type {
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MLXSW_REG_SFD_REC_TYPE_UNICAST = 0x0,
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};
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/* reg_sfd_rec_type
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* FDB record type.
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* Access: RW
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*/
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MLXSW_ITEM32_INDEXED(reg, sfd, rec_type, MLXSW_REG_SFD_BASE_LEN, 20, 4,
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MLXSW_REG_SFD_REC_LEN, 0x00, false);
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enum mlxsw_reg_sfd_rec_policy {
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/* Replacement disabled, aging disabled. */
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MLXSW_REG_SFD_REC_POLICY_STATIC_ENTRY = 0,
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/* (mlag remote): Replacement enabled, aging disabled,
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* learning notification enabled on this port.
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*/
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MLXSW_REG_SFD_REC_POLICY_DYNAMIC_ENTRY_MLAG = 1,
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/* (ingress device): Replacement enabled, aging enabled. */
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MLXSW_REG_SFD_REC_POLICY_DYNAMIC_ENTRY_INGRESS = 3,
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};
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/* reg_sfd_rec_policy
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* Policy.
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* Access: RW
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*/
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MLXSW_ITEM32_INDEXED(reg, sfd, rec_policy, MLXSW_REG_SFD_BASE_LEN, 18, 2,
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MLXSW_REG_SFD_REC_LEN, 0x00, false);
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/* reg_sfd_rec_a
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* Activity. Set for new static entries. Set for static entries if a frame SMAC
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* lookup hits on the entry.
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* To clear the a bit, use "query and clear activity" op.
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* Access: RO
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*/
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MLXSW_ITEM32_INDEXED(reg, sfd, rec_a, MLXSW_REG_SFD_BASE_LEN, 16, 1,
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MLXSW_REG_SFD_REC_LEN, 0x00, false);
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/* reg_sfd_rec_mac
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* MAC address.
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* Access: Index
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*/
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MLXSW_ITEM_BUF_INDEXED(reg, sfd, rec_mac, MLXSW_REG_SFD_BASE_LEN, 6,
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MLXSW_REG_SFD_REC_LEN, 0x02);
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enum mlxsw_reg_sfd_rec_action {
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/* forward */
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MLXSW_REG_SFD_REC_ACTION_NOP = 0,
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/* forward and trap, trap_id is FDB_TRAP */
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MLXSW_REG_SFD_REC_ACTION_MIRROR_TO_CPU = 1,
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/* trap and do not forward, trap_id is FDB_TRAP */
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MLXSW_REG_SFD_REC_ACTION_TRAP = 3,
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MLXSW_REG_SFD_REC_ACTION_DISCARD_ERROR = 15,
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};
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/* reg_sfd_rec_action
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* Action to apply on the packet.
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* Note: Dynamic entries can only be configured with NOP action.
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* Access: RW
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*/
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MLXSW_ITEM32_INDEXED(reg, sfd, rec_action, MLXSW_REG_SFD_BASE_LEN, 28, 4,
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MLXSW_REG_SFD_REC_LEN, 0x0C, false);
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/* reg_sfd_uc_sub_port
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* LAG sub port.
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* Must be 0 if multichannel VEPA is not enabled.
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* Access: RW
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*/
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MLXSW_ITEM32_INDEXED(reg, sfd, uc_sub_port, MLXSW_REG_SFD_BASE_LEN, 16, 8,
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MLXSW_REG_SFD_REC_LEN, 0x08, false);
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/* reg_sfd_uc_fid_vid
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* Filtering ID or VLAN ID
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* For SwitchX and SwitchX-2:
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* - Dynamic entries (policy 2,3) use FID
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* - Static entries (policy 0) use VID
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* - When independent learning is configured, VID=FID
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* For Spectrum: use FID for both Dynamic and Static entries.
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* VID should not be used.
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* Access: Index
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*/
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MLXSW_ITEM32_INDEXED(reg, sfd, uc_fid_vid, MLXSW_REG_SFD_BASE_LEN, 0, 16,
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MLXSW_REG_SFD_REC_LEN, 0x08, false);
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/* reg_sfd_uc_system_port
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* Unique port identifier for the final destination of the packet.
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* Access: RW
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*/
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MLXSW_ITEM32_INDEXED(reg, sfd, uc_system_port, MLXSW_REG_SFD_BASE_LEN, 0, 16,
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MLXSW_REG_SFD_REC_LEN, 0x0C, false);
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static inline void mlxsw_reg_sfd_uc_pack(char *payload, int rec_index,
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enum mlxsw_reg_sfd_rec_policy policy,
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const char *mac, u16 vid,
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enum mlxsw_reg_sfd_rec_action action,
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u8 local_port)
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{
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u8 num_rec = mlxsw_reg_sfd_num_rec_get(payload);
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if (rec_index >= num_rec)
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mlxsw_reg_sfd_num_rec_set(payload, rec_index + 1);
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mlxsw_reg_sfd_rec_swid_set(payload, rec_index, 0);
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mlxsw_reg_sfd_rec_type_set(payload, rec_index,
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MLXSW_REG_SFD_REC_TYPE_UNICAST);
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mlxsw_reg_sfd_rec_policy_set(payload, rec_index, policy);
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mlxsw_reg_sfd_rec_mac_memcpy_to(payload, rec_index, mac);
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mlxsw_reg_sfd_uc_sub_port_set(payload, rec_index, 0);
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mlxsw_reg_sfd_uc_fid_vid_set(payload, rec_index, vid);
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mlxsw_reg_sfd_rec_action_set(payload, rec_index, action);
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mlxsw_reg_sfd_uc_system_port_set(payload, rec_index, local_port);
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}
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static inline void
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mlxsw_reg_sfd_uc_unpack(char *payload, int rec_index,
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char *mac, u16 *p_vid,
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u8 *p_local_port)
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{
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mlxsw_reg_sfd_rec_mac_memcpy_from(payload, rec_index, mac);
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*p_vid = mlxsw_reg_sfd_uc_fid_vid_get(payload, rec_index);
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*p_local_port = mlxsw_reg_sfd_uc_system_port_get(payload, rec_index);
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}
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/* SPMS - Switch Port MSTP/RSTP State Register
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* -------------------------------------------
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* Configures the spanning tree state of a physical port.
@@ -1251,6 +1465,8 @@ static inline const char *mlxsw_reg_id_str(u16 reg_id)
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return "SPAD";
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case MLXSW_REG_SSPR_ID:
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return "SSPR";
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case MLXSW_REG_SFD_ID:
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return "SFD";
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case MLXSW_REG_SPMS_ID:
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return "SPMS";
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case MLXSW_REG_SFGC_ID:

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