diff options
| author | Elad Raz <eladr@mellanox.com> | 2016-10-28 21:35:51 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-10-30 16:50:17 -0400 |
| commit | 10dbf8f8ec587ca0d23464af30a524cef216b1fa (patch) | |
| tree | 5dc2fcfae14005c7ddaac2538983d83b4a9d2595 | |
| parent | e50e789ce178b6ae7c18b3e90884123398bab5f3 (diff) | |
mlxsw: switchx2: Fix port speed configuration
In SwitchX-2 we configure the port speed to negotiate with 40G link only.
Add support for all other supported speeds.
Fixes: 31557f0f9755 ("mlxsw: Introduce Mellanox SwitchX-2 ASIC support")
Signed-off-by: Elad Raz <eladr@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/switchx2.c | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/switchx2.c b/drivers/net/ethernet/mellanox/mlxsw/switchx2.c index 941393b000c8..44dae8da4ef5 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/switchx2.c +++ b/drivers/net/ethernet/mellanox/mlxsw/switchx2.c @@ -662,6 +662,7 @@ static const struct mlxsw_sx_port_link_mode mlxsw_sx_port_link_mode[] = { }; #define MLXSW_SX_PORT_LINK_MODE_LEN ARRAY_SIZE(mlxsw_sx_port_link_mode) +#define MLXSW_SX_PORT_BASE_SPEED 10000 /* Mb/s */ static u32 mlxsw_sx_from_ptys_supported_port(u32 ptys_eth_proto) { @@ -809,6 +810,18 @@ static u32 mlxsw_sx_to_ptys_speed(u32 speed) return ptys_proto; } +static u32 mlxsw_sx_to_ptys_upper_speed(u32 upper_speed) +{ + u32 ptys_proto = 0; + int i; + + for (i = 0; i < MLXSW_SX_PORT_LINK_MODE_LEN; i++) { + if (mlxsw_sx_port_link_mode[i].speed <= upper_speed) + ptys_proto |= mlxsw_sx_port_link_mode[i].mask; + } + return ptys_proto; +} + static int mlxsw_sx_port_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) { @@ -955,13 +968,17 @@ static int mlxsw_sx_port_stp_state_set(struct mlxsw_sx_port *mlxsw_sx_port, return err; } -static int mlxsw_sx_port_speed_set(struct mlxsw_sx_port *mlxsw_sx_port, - u32 speed) +static int +mlxsw_sx_port_speed_by_width_set(struct mlxsw_sx_port *mlxsw_sx_port, u8 width) { struct mlxsw_sx *mlxsw_sx = mlxsw_sx_port->mlxsw_sx; + u32 upper_speed = MLXSW_SX_PORT_BASE_SPEED * width; char ptys_pl[MLXSW_REG_PTYS_LEN]; + u32 eth_proto_admin; - mlxsw_reg_ptys_pack(ptys_pl, mlxsw_sx_port->local_port, speed); + eth_proto_admin = mlxsw_sx_to_ptys_upper_speed(upper_speed); + mlxsw_reg_ptys_pack(ptys_pl, mlxsw_sx_port->local_port, + eth_proto_admin); return mlxsw_reg_write(mlxsw_sx->core, MLXSW_REG(ptys), ptys_pl); } @@ -977,7 +994,7 @@ mlxsw_sx_port_mac_learning_mode_set(struct mlxsw_sx_port *mlxsw_sx_port, } static int mlxsw_sx_port_create(struct mlxsw_sx *mlxsw_sx, u8 local_port, - u8 module) + u8 module, u8 width) { struct mlxsw_sx_port *mlxsw_sx_port; struct net_device *dev; @@ -1038,8 +1055,7 @@ static int mlxsw_sx_port_create(struct mlxsw_sx *mlxsw_sx, u8 local_port, goto err_port_swid_set; } - err = mlxsw_sx_port_speed_set(mlxsw_sx_port, - MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4); + err = mlxsw_sx_port_speed_by_width_set(mlxsw_sx_port, width); if (err) { dev_err(mlxsw_sx->bus_info->dev, "Port %d: Failed to set speed\n", mlxsw_sx_port->local_port); @@ -1156,7 +1172,7 @@ static int mlxsw_sx_ports_create(struct mlxsw_sx *mlxsw_sx) goto err_port_module_info_get; if (!width) continue; - err = mlxsw_sx_port_create(mlxsw_sx, i, module); + err = mlxsw_sx_port_create(mlxsw_sx, i, module, width); if (err) goto err_port_create; } |