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net/mlx5: E-switch, Support querying port function mac address 

Support querying mac address of the eswitch devlink port function.

Signed-off-by: Parav Pandit <parav@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Parav Pandit 2020-06-19 03:32:53 +00:00 committed by David S. Miller
parent 443bf36eb5
commit f099fde16d
3 changed files with 55 additions and 0 deletions
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1
drivers/net/ethernet/mellanox/mlx5/core/devlink.c
View File

@ -113,6 +113,7 @@ static const struct devlink_ops mlx5_devlink_ops = {
.eswitch_inline_mode_get = mlx5_devlink_eswitch_inline_mode_get,
.eswitch_encap_mode_set = mlx5_devlink_eswitch_encap_mode_set,
.eswitch_encap_mode_get = mlx5_devlink_eswitch_encap_mode_get,
.port_function_hw_addr_get = mlx5_devlink_port_function_hw_addr_get,
#endif
.flash_update = mlx5_devlink_flash_update,
.info_get = mlx5_devlink_info_get,

43
drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
View File

@ -1845,6 +1845,49 @@ unlock:
return err;
}
static bool
is_port_function_supported(const struct mlx5_eswitch *esw, u16 vport_num)
{
return vport_num == MLX5_VPORT_PF ||
mlx5_eswitch_is_vf_vport(esw, vport_num);
}
int mlx5_devlink_port_function_hw_addr_get(struct devlink *devlink,
struct devlink_port *port,
u8 *hw_addr, int *hw_addr_len,
struct netlink_ext_ack *extack)
{
struct mlx5_eswitch *esw;
struct mlx5_vport *vport;
int err = -EOPNOTSUPP;
u16 vport_num;
esw = mlx5_devlink_eswitch_get(devlink);
if (IS_ERR(esw))
return PTR_ERR(esw);
vport_num = mlx5_esw_devlink_port_index_to_vport_num(port->index);
if (!is_port_function_supported(esw, vport_num))
return -EOPNOTSUPP;
vport = mlx5_eswitch_get_vport(esw, vport_num);
if (IS_ERR(vport)) {
NL_SET_ERR_MSG_MOD(extack, "Invalid port");
return PTR_ERR(vport);
}
mutex_lock(&esw->state_lock);
if (vport->enabled) {
ether_addr_copy(hw_addr, vport->info.mac);
*hw_addr_len = ETH_ALEN;
err = 0;
} else {
NL_SET_ERR_MSG_MOD(extack, "Eswitch vport is disabled");
}
mutex_unlock(&esw->state_lock);
return err;
}
int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw,
u16 vport, int link_state)
{

11
drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
View File

@ -450,6 +450,11 @@ int mlx5_devlink_eswitch_encap_mode_set(struct devlink *devlink,
struct netlink_ext_ack *extack);
int mlx5_devlink_eswitch_encap_mode_get(struct devlink *devlink,
enum devlink_eswitch_encap_mode *encap);
int mlx5_devlink_port_function_hw_addr_get(struct devlink *devlink,
struct devlink_port *port,
u8 *hw_addr, int *hw_addr_len,
struct netlink_ext_ack *extack);
void *mlx5_eswitch_get_uplink_priv(struct mlx5_eswitch *esw, u8 rep_type);
int mlx5_eswitch_add_vlan_action(struct mlx5_eswitch *esw,
@ -572,6 +577,12 @@ mlx5_esw_vport_to_devlink_port_index(const struct mlx5_core_dev *dev,
return (MLX5_CAP_GEN(dev, vhca_id) << 16) | vport_num;
}
static inline u16
mlx5_esw_devlink_port_index_to_vport_num(unsigned int dl_port_index)
{
return dl_port_index & 0xffff;
}
/* TODO: This mlx5e_tc function shouldn't be called by eswitch */
void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw);