From: Huy Nguyen <h...@mellanox.com>
Add set/query commands for DCBX_PARAM register
Signed-off-by: Huy Nguyen <h...@mellanox.com>
Signed-off-by: Saeed Mahameed <sae...@mellanox.com>
---
drivers/net/ethernet/mellanox/mlx5/core/port.c | 22 ++++++++++++++++++++++
include/linux/mlx5/driver.h | 7 +++++++
include/linux/mlx5/port.h | 2 ++
3 files changed, 31 insertions(+)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/port.c
b/drivers/net/ethernet/mellanox/mlx5/core/port.c
index 2f75f86..8a66595 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/port.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/port.c
@@ -548,6 +548,28 @@ int mlx5_max_tc(struct mlx5_core_dev *mdev)
return num_tc - 1;
}
+int mlx5_query_port_dcbx_param(struct mlx5_core_dev *mdev, u32 *out)
+{
+ u32 in[MLX5_ST_SZ_DW(dcbx_param)];
+
+ memset(in, 0, sizeof(in));
+
+ MLX5_SET(dcbx_param, in, port_number, 1);
+
+ return mlx5_core_access_reg(mdev, in, sizeof(in), out,
+ sizeof(in), MLX5_REG_DCBX_PARAM, 0, 0);
+}
+
+int mlx5_set_port_dcbx_param(struct mlx5_core_dev *mdev, u32 *in)
+{
+ u32 out[MLX5_ST_SZ_DW(dcbx_param)];
+
+ MLX5_SET(dcbx_param, in, port_number, 1);
+
+ return mlx5_core_access_reg(mdev, in, sizeof(out), out,
+ sizeof(out), MLX5_REG_DCBX_PARAM, 0, 1);
+}
+
int mlx5_set_port_prio_tc(struct mlx5_core_dev *mdev, u8 *prio_tc)
{
u32 in[MLX5_ST_SZ_DW(qtct_reg)] = {0};
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 5cb9fa7..b53f19c 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -104,6 +104,8 @@ enum {
enum {
MLX5_REG_QETCR = 0x4005,
MLX5_REG_QTCT = 0x400a,
+ MLX5_REG_DCBX_PARAM = 0x4020,
+ MLX5_REG_DCBX_APP = 0x4021,
MLX5_REG_PCAP = 0x5001,
MLX5_REG_PMTU = 0x5003,
MLX5_REG_PTYS = 0x5004,
@@ -123,6 +125,11 @@ enum {
MLX5_REG_MLCR = 0x902b,
};
+enum mlx5_dcbx_oper_mode {
+ MLX5E_DCBX_PARAM_VER_OPER_HOST = 0x0,
+ MLX5E_DCBX_PARAM_VER_OPER_AUTO = 0x3,
+};
+
enum {
MLX5_ATOMIC_OPS_CMP_SWAP = 1 << 0,
MLX5_ATOMIC_OPS_FETCH_ADD = 1 << 1,
diff --git a/include/linux/mlx5/port.h b/include/linux/mlx5/port.h
index ddad24d..62e2259 100644
--- a/include/linux/mlx5/port.h
+++ b/include/linux/mlx5/port.h
@@ -159,4 +159,6 @@ void mlx5_query_port_fcs(struct mlx5_core_dev *mdev, bool
*supported,
int mlx5_query_module_eeprom(struct mlx5_core_dev *dev,
u16 offset, u16 size, u8 *data);
+int mlx5_query_port_dcbx_param(struct mlx5_core_dev *mdev, u32 *out);
+int mlx5_set_port_dcbx_param(struct mlx5_core_dev *mdev, u32 *in);
#endif /* __MLX5_PORT_H__ */
--
2.7.4
