From: Eran Ben Elisha <eranbe@mellanox.com>
Date: Mon, 13 Feb 2017 14:00:59 +0200
Subject: net/mlx5e: Add support for reading connector type from PTYS
Patch-mainline: v4.13-rc1
Git-commit: 5b4793f817452e478442684e6bba85bddb5a9345
References: bsc#1046303 FATE#322944
Read port connector type from the firmware instead of caching it in the
driver metadata.
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c | 22 +++++++++++++++++--
include/linux/mlx5/mlx5_ifc.h | 7 ++++--
include/linux/mlx5/port.h | 13 +++++++++++
3 files changed, 38 insertions(+), 4 deletions(-)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -809,8 +809,23 @@ static void get_advertising(u32 eth_prot
ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Asym_Pause);
}
-static u8 get_connector_port(u32 eth_proto)
+static int ptys2connector_type[MLX5E_CONNECTOR_TYPE_NUMBER] = {
+ [MLX5E_PORT_UNKNOWN] = PORT_OTHER,
+ [MLX5E_PORT_NONE] = PORT_NONE,
+ [MLX5E_PORT_TP] = PORT_TP,
+ [MLX5E_PORT_AUI] = PORT_AUI,
+ [MLX5E_PORT_BNC] = PORT_BNC,
+ [MLX5E_PORT_MII] = PORT_MII,
+ [MLX5E_PORT_FIBRE] = PORT_FIBRE,
+ [MLX5E_PORT_DA] = PORT_DA,
+ [MLX5E_PORT_OTHER] = PORT_OTHER,
+ };
+
+static u8 get_connector_port(u32 eth_proto, u8 connector_type)
{
+ if (connector_type && connector_type < MLX5E_CONNECTOR_TYPE_NUMBER)
+ return ptys2connector_type[connector_type];
+
if (eth_proto & (MLX5E_PROT_MASK(MLX5E_10GBASE_SR)
| MLX5E_PROT_MASK(MLX5E_40GBASE_SR4)
| MLX5E_PROT_MASK(MLX5E_100GBASE_SR4)
@@ -856,6 +871,7 @@ static int mlx5e_get_link_ksettings(stru
u32 eth_proto_oper;
u8 an_disable_admin;
u8 an_status;
+ u8 connector_type;
int err;
err = mlx5_query_port_ptys(mdev, out, sizeof(out), MLX5_PTYS_EN, 1);
@@ -871,6 +887,7 @@ static int mlx5e_get_link_ksettings(stru
eth_proto_lp = MLX5_GET(ptys_reg, out, eth_proto_lp_advertise);
an_disable_admin = MLX5_GET(ptys_reg, out, an_disable_admin);
an_status = MLX5_GET(ptys_reg, out, an_status);
+ connector_type = MLX5_GET(ptys_reg, out, connector_type);
mlx5_query_port_pause(mdev, &rx_pause, &tx_pause);
@@ -883,7 +900,8 @@ static int mlx5e_get_link_ksettings(stru
eth_proto_oper = eth_proto_oper ? eth_proto_oper : eth_proto_cap;
- link_ksettings->base.port = get_connector_port(eth_proto_oper);
+ link_ksettings->base.port = get_connector_port(eth_proto_oper,
+ connector_type);
get_lp_advertising(eth_proto_lp, link_ksettings);
if (an_status == MLX5_AN_COMPLETE)
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -7295,7 +7295,8 @@ struct mlx5_ifc_ptys_reg_bits {
u8 ib_link_width_oper[0x10];
u8 ib_proto_oper[0x10];
- u8 reserved_at_160[0x20];
+ u8 reserved_at_160[0x1c];
+ u8 connector_type[0x4];
u8 eth_proto_lp_advertise[0x20];
@@ -7698,8 +7699,10 @@ struct mlx5_ifc_peir_reg_bits {
};
struct mlx5_ifc_pcam_enhanced_features_bits {
- u8 reserved_at_0[0x7e];
+ u8 reserved_at_0[0x7c];
+ u8 ptys_connector_type[0x1];
+ u8 reserved_at_7d[0x1];
u8 ppcnt_discard_group[0x1];
u8 ppcnt_statistical_group[0x1];
};
--- a/include/linux/mlx5/port.h
+++ b/include/linux/mlx5/port.h
@@ -92,6 +92,19 @@ enum mlx5e_link_mode {
MLX5E_LINK_MODES_NUMBER,
};
+enum mlx5e_connector_type {
+ MLX5E_PORT_UNKNOWN = 0,
+ MLX5E_PORT_NONE = 1,
+ MLX5E_PORT_TP = 2,
+ MLX5E_PORT_AUI = 3,
+ MLX5E_PORT_BNC = 4,
+ MLX5E_PORT_MII = 5,
+ MLX5E_PORT_FIBRE = 6,
+ MLX5E_PORT_DA = 7,
+ MLX5E_PORT_OTHER = 8,
+ MLX5E_CONNECTOR_TYPE_NUMBER,
+};
+
#define MLX5E_PROT_MASK(link_mode) (1 << link_mode)
#define PORT_MODULE_EVENT_MODULE_STATUS_MASK 0xF