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net/mlx5: Introduce access functions to modify/query vport state 

In preparation for SR-IOV we add here an API to enable each e-switch
manager (PF) to configure its VFs link states in e-switch

preparation for ethernet sriov.

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Saeed Mahameed 2015-12-01 18:03:13 +02:00 committed by David S. Miller
parent e16aea2744
commit e75465148b
4 changed files with 62 additions and 8 deletions
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2
drivers/net/ethernet/mellanox/mlx5/core/en_main.c
View File

@ -63,7 +63,7 @@ static void mlx5e_update_carrier(struct mlx5e_priv *priv)
u8 port_state;
port_state = mlx5_query_vport_state(mdev,
MLX5_QUERY_VPORT_STATE_IN_OP_MOD_VNIC_VPORT);
MLX5_QUERY_VPORT_STATE_IN_OP_MOD_VNIC_VPORT, 0);
if (port_state == VPORT_STATE_UP)
netif_carrier_on(priv->netdev);

61
drivers/net/ethernet/mellanox/mlx5/core/vport.c
View File

@ -36,26 +36,75 @@
#include <linux/mlx5/vport.h>
#include "mlx5_core.h"
u8 mlx5_query_vport_state(struct mlx5_core_dev *mdev, u8 opmod)
static int _mlx5_query_vport_state(struct mlx5_core_dev *mdev, u8 opmod,
u16 vport, u32 *out, int outlen)
{
u32 in[MLX5_ST_SZ_DW(query_vport_state_in)];
u32 out[MLX5_ST_SZ_DW(query_vport_state_out)];
int err;
u32 in[MLX5_ST_SZ_DW(query_vport_state_in)];
memset(in, 0, sizeof(in));
MLX5_SET(query_vport_state_in, in, opcode,
MLX5_CMD_OP_QUERY_VPORT_STATE);
MLX5_SET(query_vport_state_in, in, op_mod, opmod);
MLX5_SET(query_vport_state_in, in, vport_number, vport);
if (vport)
MLX5_SET(query_vport_state_in, in, other_vport, 1);
err = mlx5_cmd_exec_check_status(mdev, in, sizeof(in), out, outlen);
if (err)
mlx5_core_warn(mdev, "MLX5_CMD_OP_QUERY_VPORT_STATE failed\n");
return err;
}
u8 mlx5_query_vport_state(struct mlx5_core_dev *mdev, u8 opmod, u16 vport)
{
u32 out[MLX5_ST_SZ_DW(query_vport_state_out)] = {0};
_mlx5_query_vport_state(mdev, opmod, vport, out, sizeof(out));
return MLX5_GET(query_vport_state_out, out, state);
}
EXPORT_SYMBOL_GPL(mlx5_query_vport_state);
u8 mlx5_query_vport_admin_state(struct mlx5_core_dev *mdev, u8 opmod, u16 vport)
{
u32 out[MLX5_ST_SZ_DW(query_vport_state_out)] = {0};
_mlx5_query_vport_state(mdev, opmod, vport, out, sizeof(out));
return MLX5_GET(query_vport_state_out, out, admin_state);
}
EXPORT_SYMBOL(mlx5_query_vport_admin_state);
int mlx5_modify_vport_admin_state(struct mlx5_core_dev *mdev, u8 opmod,
u16 vport, u8 state)
{
u32 in[MLX5_ST_SZ_DW(modify_vport_state_in)];
u32 out[MLX5_ST_SZ_DW(modify_vport_state_out)];
int err;
memset(in, 0, sizeof(in));
MLX5_SET(modify_vport_state_in, in, opcode,
MLX5_CMD_OP_MODIFY_VPORT_STATE);
MLX5_SET(modify_vport_state_in, in, op_mod, opmod);
MLX5_SET(modify_vport_state_in, in, vport_number, vport);
if (vport)
MLX5_SET(modify_vport_state_in, in, other_vport, 1);
MLX5_SET(modify_vport_state_in, in, admin_state, state);
err = mlx5_cmd_exec_check_status(mdev, in, sizeof(in), out,
sizeof(out));
if (err)
mlx5_core_warn(mdev, "MLX5_CMD_OP_QUERY_VPORT_STATE failed\n");
mlx5_core_warn(mdev, "MLX5_CMD_OP_MODIFY_VPORT_STATE failed\n");
return MLX5_GET(query_vport_state_out, out, state);
return err;
}
EXPORT_SYMBOL(mlx5_query_vport_state);
EXPORT_SYMBOL(mlx5_modify_vport_admin_state);
static int mlx5_query_nic_vport_context(struct mlx5_core_dev *mdev, u16 vport,
u32 *out, int outlen)

1
include/linux/mlx5/mlx5_ifc.h
View File

@ -2946,6 +2946,7 @@ struct mlx5_ifc_query_vport_state_out_bits {
enum {
MLX5_QUERY_VPORT_STATE_IN_OP_MOD_VNIC_VPORT = 0x0,
MLX5_QUERY_VPORT_STATE_IN_OP_MOD_ESW_VPORT = 0x1,
};
struct mlx5_ifc_query_vport_state_in_bits {

6
include/linux/mlx5/vport.h
View File

@ -36,7 +36,11 @@
#include <linux/mlx5/driver.h>
#include <linux/mlx5/device.h>
u8 mlx5_query_vport_state(struct mlx5_core_dev *mdev, u8 opmod);
u8 mlx5_query_vport_state(struct mlx5_core_dev *mdev, u8 opmod, u16 vport);
u8 mlx5_query_vport_admin_state(struct mlx5_core_dev *mdev, u8 opmod,
u16 vport);
int mlx5_modify_vport_admin_state(struct mlx5_core_dev *mdev, u8 opmod,
u16 vport, u8 state);
int mlx5_query_nic_vport_mac_address(struct mlx5_core_dev *mdev,
u16 vport, u8 *addr);
int mlx5_modify_nic_vport_mac_address(struct mlx5_core_dev *dev,