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-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/reg.h17
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_dcb.c3
3 files changed, 19 insertions, 3 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h
index 1977e7a5c530..57d48da709fb 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/reg.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h
@@ -2718,7 +2718,7 @@ static inline void mlxsw_reg_ppcnt_pack(char *payload, u8 local_port,
* Configures the switch priority to buffer table.
*/
#define MLXSW_REG_PPTB_ID 0x500B
-#define MLXSW_REG_PPTB_LEN 0x0C
+#define MLXSW_REG_PPTB_LEN 0x10
static const struct mlxsw_reg_info mlxsw_reg_pptb = {
.id = MLXSW_REG_PPTB_ID,
@@ -2784,6 +2784,13 @@ MLXSW_ITEM32(reg, pptb, pm_msb, 0x08, 24, 8);
*/
MLXSW_ITEM32(reg, pptb, untagged_buff, 0x08, 0, 4);
+/* reg_pptb_prio_to_buff_msb
+ * Mapping of switch priority <i+8> to one of the allocated receive port
+ * buffers.
+ * Access: RW
+ */
+MLXSW_ITEM_BIT_ARRAY(reg, pptb, prio_to_buff_msb, 0x0C, 0x04, 4);
+
#define MLXSW_REG_PPTB_ALL_PRIO 0xFF
static inline void mlxsw_reg_pptb_pack(char *payload, u8 local_port)
@@ -2792,6 +2799,14 @@ static inline void mlxsw_reg_pptb_pack(char *payload, u8 local_port)
mlxsw_reg_pptb_mm_set(payload, MLXSW_REG_PPTB_MM_UM);
mlxsw_reg_pptb_local_port_set(payload, local_port);
mlxsw_reg_pptb_pm_set(payload, MLXSW_REG_PPTB_ALL_PRIO);
+ mlxsw_reg_pptb_pm_msb_set(payload, MLXSW_REG_PPTB_ALL_PRIO);
+}
+
+static inline void mlxsw_reg_pptb_prio_to_buff_pack(char *payload, u8 prio,
+ u8 buff)
+{
+ mlxsw_reg_pptb_prio_to_buff_set(payload, prio, buff);
+ mlxsw_reg_pptb_prio_to_buff_msb_set(payload, prio, buff);
}
/* PBMC - Port Buffer Management Control Register
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c
index a3720a0fad7d..074cdda7b6f3 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c
@@ -194,7 +194,7 @@ static int mlxsw_sp_port_pb_prio_init(struct mlxsw_sp_port *mlxsw_sp_port)
mlxsw_reg_pptb_pack(pptb_pl, mlxsw_sp_port->local_port);
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++)
- mlxsw_reg_pptb_prio_to_buff_set(pptb_pl, i, 0);
+ mlxsw_reg_pptb_prio_to_buff_pack(pptb_pl, i, 0);
return mlxsw_reg_write(mlxsw_sp_port->mlxsw_sp->core, MLXSW_REG(pptb),
pptb_pl);
}
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_dcb.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_dcb.c
index 4af3f2728e47..01cfb7512827 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_dcb.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_dcb.c
@@ -103,7 +103,8 @@ static int mlxsw_sp_port_pg_prio_map(struct mlxsw_sp_port *mlxsw_sp_port,
mlxsw_reg_pptb_pack(pptb_pl, mlxsw_sp_port->local_port);
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++)
- mlxsw_reg_pptb_prio_to_buff_set(pptb_pl, i, prio_tc[i]);
+ mlxsw_reg_pptb_prio_to_buff_pack(pptb_pl, i, prio_tc[i]);
+
return mlxsw_reg_write(mlxsw_sp_port->mlxsw_sp->core, MLXSW_REG(pptb),
pptb_pl);
}