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mlxsw: reg: Add QoS Port DSCP to Priority Mapping Register

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The QPDPM register controls the mapping from DSCP field to Switch
Priority for IP packets.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Petr Machata 2018-07-27 15:26:57 +03:00 committed by David S. Miller
parent b67c540b8a
commit 02837d7267
1 changed files with 52 additions and 0 deletions
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52
drivers/net/ethernet/mellanox/mlxsw/reg.h
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@ -3329,6 +3329,57 @@ static inline void mlxsw_reg_qeec_pack(char *payload, u8 local_port,
mlxsw_reg_qeec_next_element_index_set(payload, next_index);
}
/* QPDPM - QoS Port DSCP to Priority Mapping Register
* --------------------------------------------------
* This register controls the mapping from DSCP field to
* Switch Priority for IP packets.
*/
#define MLXSW_REG_QPDPM_ID 0x4013
#define MLXSW_REG_QPDPM_BASE_LEN 0x4 /* base length, without records */
#define MLXSW_REG_QPDPM_DSCP_ENTRY_REC_LEN 0x2 /* record length */
#define MLXSW_REG_QPDPM_DSCP_ENTRY_REC_MAX_COUNT 64
#define MLXSW_REG_QPDPM_LEN (MLXSW_REG_QPDPM_BASE_LEN + \
MLXSW_REG_QPDPM_DSCP_ENTRY_REC_LEN * \
MLXSW_REG_QPDPM_DSCP_ENTRY_REC_MAX_COUNT)
MLXSW_REG_DEFINE(qpdpm, MLXSW_REG_QPDPM_ID, MLXSW_REG_QPDPM_LEN);
/* reg_qpdpm_local_port
* Local Port. Supported for data packets from CPU port.
* Access: Index
*/
MLXSW_ITEM32(reg, qpdpm, local_port, 0x00, 16, 8);
/* reg_qpdpm_dscp_e
* Enable update of the specific entry. When cleared, the switch_prio and color
* fields are ignored and the previous switch_prio and color values are
* preserved.
* Access: WO
*/
MLXSW_ITEM16_INDEXED(reg, qpdpm, dscp_entry_e, MLXSW_REG_QPDPM_BASE_LEN, 15, 1,
MLXSW_REG_QPDPM_DSCP_ENTRY_REC_LEN, 0x00, false);
/* reg_qpdpm_dscp_prio
* The new Switch Priority value for the relevant DSCP value.
* Access: RW
*/
MLXSW_ITEM16_INDEXED(reg, qpdpm, dscp_entry_prio,
MLXSW_REG_QPDPM_BASE_LEN, 0, 4,
MLXSW_REG_QPDPM_DSCP_ENTRY_REC_LEN, 0x00, false);
static inline void mlxsw_reg_qpdpm_pack(char *payload, u8 local_port)
{
MLXSW_REG_ZERO(qpdpm, payload);
mlxsw_reg_qpdpm_local_port_set(payload, local_port);
}
static inline void
mlxsw_reg_qpdpm_dscp_pack(char *payload, unsigned short dscp, u8 prio)
{
mlxsw_reg_qpdpm_dscp_entry_e_set(payload, dscp, 1);
mlxsw_reg_qpdpm_dscp_entry_prio_set(payload, dscp, prio);
}
/* PMLP - Ports Module to Local Port Register
* ------------------------------------------
* Configures the assignment of modules to local ports.
@ -8542,6 +8593,7 @@ static const struct mlxsw_reg_info *mlxsw_reg_infos[] = {
MLXSW_REG(qpcr),
MLXSW_REG(qtct),
MLXSW_REG(qeec),
MLXSW_REG(qpdpm),
MLXSW_REG(pmlp),
MLXSW_REG(pmtu),
MLXSW_REG(ptys),