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mlxsw: reg: Add Switch FDB Notification register definition 

Add SFN register which is used to poll for newly added and aged-out FDB
entries.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2015-10-16 14:01:29 +02:00 committed by David S. Miller
parent 236033b33c
commit f5d88f5892
1 changed files with 101 additions and 0 deletions
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101
drivers/net/ethernet/mellanox/mlxsw/reg.h
View File

@ -371,6 +371,105 @@ mlxsw_reg_sfd_uc_unpack(char *payload, int rec_index,
*p_local_port = mlxsw_reg_sfd_uc_system_port_get(payload, rec_index);
}
/* SFN - Switch FDB Notification Register
* -------------------------------------------
* The switch provides notifications on newly learned FDB entries and
* aged out entries. The notifications can be polled by software.
*/
#define MLXSW_REG_SFN_ID 0x200B
#define MLXSW_REG_SFN_BASE_LEN 0x10 /* base length, without records */
#define MLXSW_REG_SFN_REC_LEN 0x10 /* record length */
#define MLXSW_REG_SFN_REC_MAX_COUNT 64
#define MLXSW_REG_SFN_LEN (MLXSW_REG_SFN_BASE_LEN + \
MLXSW_REG_SFN_REC_LEN * MLXSW_REG_SFN_REC_MAX_COUNT)
static const struct mlxsw_reg_info mlxsw_reg_sfn = {
.id = MLXSW_REG_SFN_ID,
.len = MLXSW_REG_SFN_LEN,
};
/* reg_sfn_swid
* Switch partition ID.
* Access: Index
*/
MLXSW_ITEM32(reg, sfn, swid, 0x00, 24, 8);
/* reg_sfn_num_rec
* Request: Number of learned notifications and aged-out notification
* records requested.
* Response: Number of notification records returned (must be smaller
* than or equal to the value requested)
* Ranges 0..64
* Access: OP
*/
MLXSW_ITEM32(reg, sfn, num_rec, 0x04, 0, 8);
static inline void mlxsw_reg_sfn_pack(char *payload)
{
MLXSW_REG_ZERO(sfn, payload);
mlxsw_reg_sfn_swid_set(payload, 0);
mlxsw_reg_sfn_num_rec_set(payload, MLXSW_REG_SFN_REC_MAX_COUNT);
}
/* reg_sfn_rec_swid
* Switch partition ID.
* Access: RO
*/
MLXSW_ITEM32_INDEXED(reg, sfn, rec_swid, MLXSW_REG_SFN_BASE_LEN, 24, 8,
MLXSW_REG_SFN_REC_LEN, 0x00, false);
enum mlxsw_reg_sfn_rec_type {
/* MAC addresses learned on a regular port. */
MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC = 0x5,
/* Aged-out MAC address on a regular port */
MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC = 0x7,
};
/* reg_sfn_rec_type
* Notification record type.
* Access: RO
*/
MLXSW_ITEM32_INDEXED(reg, sfn, rec_type, MLXSW_REG_SFN_BASE_LEN, 20, 4,
MLXSW_REG_SFN_REC_LEN, 0x00, false);
/* reg_sfn_rec_mac
* MAC address.
* Access: RO
*/
MLXSW_ITEM_BUF_INDEXED(reg, sfn, rec_mac, MLXSW_REG_SFN_BASE_LEN, 6,
MLXSW_REG_SFN_REC_LEN, 0x02);
/* reg_sfd_mac_sub_port
* VEPA channel on the local port.
* 0 if multichannel VEPA is not enabled.
* Access: RO
*/
MLXSW_ITEM32_INDEXED(reg, sfn, mac_sub_port, MLXSW_REG_SFN_BASE_LEN, 16, 8,
MLXSW_REG_SFN_REC_LEN, 0x08, false);
/* reg_sfd_mac_fid
* Filtering identifier.
* Access: RO
*/
MLXSW_ITEM32_INDEXED(reg, sfn, mac_fid, MLXSW_REG_SFN_BASE_LEN, 0, 16,
MLXSW_REG_SFN_REC_LEN, 0x08, false);
/* reg_sfd_mac_system_port
* Unique port identifier for the final destination of the packet.
* Access: RO
*/
MLXSW_ITEM32_INDEXED(reg, sfn, mac_system_port, MLXSW_REG_SFN_BASE_LEN, 0, 16,
MLXSW_REG_SFN_REC_LEN, 0x0C, false);
static inline void mlxsw_reg_sfn_mac_unpack(char *payload, int rec_index,
char *mac, u16 *p_vid,
u8 *p_local_port)
{
mlxsw_reg_sfn_rec_mac_memcpy_from(payload, rec_index, mac);
*p_vid = mlxsw_reg_sfn_mac_fid_get(payload, rec_index);
*p_local_port = mlxsw_reg_sfn_mac_system_port_get(payload, rec_index);
}
/* SPMS - Switch Port MSTP/RSTP State Register
* -------------------------------------------
* Configures the spanning tree state of a physical port.
@ -1467,6 +1566,8 @@ static inline const char *mlxsw_reg_id_str(u16 reg_id)
return "SSPR";
case MLXSW_REG_SFD_ID:
return "SFD";
case MLXSW_REG_SFN_ID:
return "SFN";
case MLXSW_REG_SPMS_ID:
return "SPMS";
case MLXSW_REG_SFGC_ID: