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mlxsw: spectrum: Add support for new ethtool API 

Remove the deprecated {get,set}_settings callbacks and instead add
{get,set}_link_ksettings along with support for newly available speeds.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel 2016-09-12 13:26:27 +02:00 committed by David S. Miller
parent 91bdc7a43a
commit b9d66a36aa
2 changed files with 187 additions and 162 deletions
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1
drivers/net/ethernet/mellanox/mlxsw/reg.h
View File

@ -2164,6 +2164,7 @@ MLXSW_ITEM32(reg, ptys, an_status, 0x04, 28, 4);
#define MLXSW_REG_PTYS_ETH_SPEED_10GBASE_ER_LR BIT(14)
#define MLXSW_REG_PTYS_ETH_SPEED_40GBASE_SR4 BIT(15)
#define MLXSW_REG_PTYS_ETH_SPEED_40GBASE_LR4_ER4 BIT(16)
#define MLXSW_REG_PTYS_ETH_SPEED_50GBASE_SR2 BIT(18)
#define MLXSW_REG_PTYS_ETH_SPEED_50GBASE_KR4 BIT(19)
#define MLXSW_REG_PTYS_ETH_SPEED_100GBASE_CR4 BIT(20)
#define MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4 BIT(21)

348
drivers/net/ethernet/mellanox/mlxsw/spectrum.c
View File

@ -1599,158 +1599,179 @@ static int mlxsw_sp_port_get_sset_count(struct net_device *dev, int sset)
}
struct mlxsw_sp_port_link_mode {
enum ethtool_link_mode_bit_indices mask_ethtool;
u32 mask;
u32 supported;
u32 advertised;
u32 speed;
};
static const struct mlxsw_sp_port_link_mode mlxsw_sp_port_link_mode[] = {
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_100BASE_T,
.supported = SUPPORTED_100baseT_Full,
.advertised = ADVERTISED_100baseT_Full,
.speed = 100,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_100BASE_TX,
.speed = 100,
.mask_ethtool = ETHTOOL_LINK_MODE_100baseT_Full_BIT,
.speed = SPEED_100,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_SGMII |
MLXSW_REG_PTYS_ETH_SPEED_1000BASE_KX,
.supported = SUPPORTED_1000baseKX_Full,
.advertised = ADVERTISED_1000baseKX_Full,
.speed = 1000,
.mask_ethtool = ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
.speed = SPEED_1000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_10GBASE_T,
.supported = SUPPORTED_10000baseT_Full,
.advertised = ADVERTISED_10000baseT_Full,
.speed = 10000,
.mask_ethtool = ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
.speed = SPEED_10000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CX4 |
MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KX4,
.supported = SUPPORTED_10000baseKX4_Full,
.advertised = ADVERTISED_10000baseKX4_Full,
.speed = 10000,
.mask_ethtool = ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT,
.speed = SPEED_10000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KR |
MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CR |
MLXSW_REG_PTYS_ETH_SPEED_10GBASE_SR |
MLXSW_REG_PTYS_ETH_SPEED_10GBASE_ER_LR,
.supported = SUPPORTED_10000baseKR_Full,
.advertised = ADVERTISED_10000baseKR_Full,
.speed = 10000,
.mask_ethtool = ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
.speed = SPEED_10000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_20GBASE_KR2,
.supported = SUPPORTED_20000baseKR2_Full,
.advertised = ADVERTISED_20000baseKR2_Full,
.speed = 20000,
.mask_ethtool = ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT,
.speed = SPEED_20000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4,
.supported = SUPPORTED_40000baseCR4_Full,
.advertised = ADVERTISED_40000baseCR4_Full,
.speed = 40000,
.mask_ethtool = ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
.speed = SPEED_40000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_KR4,
.supported = SUPPORTED_40000baseKR4_Full,
.advertised = ADVERTISED_40000baseKR4_Full,
.speed = 40000,
.mask_ethtool = ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
.speed = SPEED_40000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_SR4,
.supported = SUPPORTED_40000baseSR4_Full,
.advertised = ADVERTISED_40000baseSR4_Full,
.speed = 40000,
.mask_ethtool = ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
.speed = SPEED_40000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_LR4_ER4,
.supported = SUPPORTED_40000baseLR4_Full,
.advertised = ADVERTISED_40000baseLR4_Full,
.speed = 40000,
.mask_ethtool = ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT,
.speed = SPEED_40000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_CR |
MLXSW_REG_PTYS_ETH_SPEED_25GBASE_KR |
MLXSW_REG_PTYS_ETH_SPEED_25GBASE_SR,
.speed = 25000,
.mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_CR,
.mask_ethtool = ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
.speed = SPEED_25000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_50GBASE_KR4 |
MLXSW_REG_PTYS_ETH_SPEED_50GBASE_CR2 |
MLXSW_REG_PTYS_ETH_SPEED_50GBASE_KR2,
.speed = 50000,
.mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_KR,
.mask_ethtool = ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
.speed = SPEED_25000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_SR,
.mask_ethtool = ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
.speed = SPEED_25000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_SR,
.mask_ethtool = ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
.speed = SPEED_25000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_50GBASE_CR2,
.mask_ethtool = ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
.speed = SPEED_50000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_50GBASE_KR2,
.mask_ethtool = ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
.speed = SPEED_50000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_50GBASE_SR2,
.mask_ethtool = ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT,
.speed = SPEED_50000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_56GBASE_R4,
.supported = SUPPORTED_56000baseKR4_Full,
.advertised = ADVERTISED_56000baseKR4_Full,
.speed = 56000,
.mask_ethtool = ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT,
.speed = SPEED_56000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_CR4 |
MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4 |
MLXSW_REG_PTYS_ETH_SPEED_100GBASE_KR4 |
MLXSW_REG_PTYS_ETH_SPEED_100GBASE_LR4_ER4,
.speed = 100000,
.mask = MLXSW_REG_PTYS_ETH_SPEED_56GBASE_R4,
.mask_ethtool = ETHTOOL_LINK_MODE_56000baseCR4_Full_BIT,
.speed = SPEED_56000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_56GBASE_R4,
.mask_ethtool = ETHTOOL_LINK_MODE_56000baseSR4_Full_BIT,
.speed = SPEED_56000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_56GBASE_R4,
.mask_ethtool = ETHTOOL_LINK_MODE_56000baseLR4_Full_BIT,
.speed = SPEED_56000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_CR4,
.mask_ethtool = ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
.speed = SPEED_100000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4,
.mask_ethtool = ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
.speed = SPEED_100000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_KR4,
.mask_ethtool = ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
.speed = SPEED_100000,
},
{
.mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_LR4_ER4,
.mask_ethtool = ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT,
.speed = SPEED_100000,
},
};
#define MLXSW_SP_PORT_LINK_MODE_LEN ARRAY_SIZE(mlxsw_sp_port_link_mode)
static u32 mlxsw_sp_from_ptys_supported_port(u32 ptys_eth_proto)
static void
mlxsw_sp_from_ptys_supported_port(u32 ptys_eth_proto,
struct ethtool_link_ksettings *cmd)
{
u32 modes = 0;
if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CR |
MLXSW_REG_PTYS_ETH_SPEED_10GBASE_SR |
MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4 |
MLXSW_REG_PTYS_ETH_SPEED_40GBASE_SR4 |
MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4 |
MLXSW_REG_PTYS_ETH_SPEED_SGMII))
modes |= SUPPORTED_FIBRE;
ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KR |
MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KX4 |
MLXSW_REG_PTYS_ETH_SPEED_40GBASE_KR4 |
MLXSW_REG_PTYS_ETH_SPEED_100GBASE_KR4 |
MLXSW_REG_PTYS_ETH_SPEED_1000BASE_KX))
modes |= SUPPORTED_Backplane;
return modes;
ethtool_link_ksettings_add_link_mode(cmd, supported, Backplane);
}
static u32 mlxsw_sp_from_ptys_supported_link(u32 ptys_eth_proto)
static void mlxsw_sp_from_ptys_link(u32 ptys_eth_proto, unsigned long *mode)
{
u32 modes = 0;
int i;
for (i = 0; i < MLXSW_SP_PORT_LINK_MODE_LEN; i++) {
if (ptys_eth_proto & mlxsw_sp_port_link_mode[i].mask)
modes |= mlxsw_sp_port_link_mode[i].supported;
__set_bit(mlxsw_sp_port_link_mode[i].mask_ethtool,
mode);
}
return modes;
}
static u32 mlxsw_sp_from_ptys_advert_link(u32 ptys_eth_proto)
{
u32 modes = 0;
int i;
for (i = 0; i < MLXSW_SP_PORT_LINK_MODE_LEN; i++) {
if (ptys_eth_proto & mlxsw_sp_port_link_mode[i].mask)
modes |= mlxsw_sp_port_link_mode[i].advertised;
}
return modes;
}
static void mlxsw_sp_from_ptys_speed_duplex(bool carrier_ok, u32 ptys_eth_proto,
struct ethtool_cmd *cmd)
struct ethtool_link_ksettings *cmd)
{
u32 speed = SPEED_UNKNOWN;
u8 duplex = DUPLEX_UNKNOWN;
@ -1767,8 +1788,8 @@ static void mlxsw_sp_from_ptys_speed_duplex(bool carrier_ok, u32 ptys_eth_proto,
}
}
out:
ethtool_cmd_speed_set(cmd, speed);
cmd->duplex = duplex;
cmd->base.speed = speed;
cmd->base.duplex = duplex;
}
static u8 mlxsw_sp_port_connector_port(u32 ptys_eth_proto)
@ -1793,60 +1814,15 @@ static u8 mlxsw_sp_port_connector_port(u32 ptys_eth_proto)
return PORT_OTHER;
}
static int mlxsw_sp_port_get_settings(struct net_device *dev,
struct ethtool_cmd *cmd)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char ptys_pl[MLXSW_REG_PTYS_LEN];
u32 eth_proto_cap;
u32 eth_proto_admin;
u32 eth_proto_oper;
u8 autoneg_status;
u32 eth_proto_lp;
int err;
mlxsw_reg_ptys_pack(ptys_pl, mlxsw_sp_port->local_port, 0);
err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl);
if (err) {
netdev_err(dev, "Failed to get proto");
return err;
}
mlxsw_reg_ptys_unpack(ptys_pl, &eth_proto_cap,
&eth_proto_admin, &eth_proto_oper);
eth_proto_lp = mlxsw_reg_ptys_eth_proto_lp_advertise_get(ptys_pl);
autoneg_status = mlxsw_reg_ptys_an_status_get(ptys_pl);
cmd->supported = mlxsw_sp_from_ptys_supported_port(eth_proto_cap) |
mlxsw_sp_from_ptys_supported_link(eth_proto_cap) |
SUPPORTED_Pause | SUPPORTED_Asym_Pause |
SUPPORTED_Autoneg;
if (mlxsw_sp_port->link.autoneg) {
cmd->advertising =
mlxsw_sp_from_ptys_advert_link(eth_proto_admin);
cmd->advertising |= ADVERTISED_Autoneg;
cmd->autoneg = AUTONEG_ENABLE;
}
mlxsw_sp_from_ptys_speed_duplex(netif_carrier_ok(dev),
eth_proto_oper, cmd);
cmd->port = mlxsw_sp_port_connector_port(eth_proto_oper);
if (autoneg_status == MLXSW_REG_PTYS_AN_STATUS_OK && eth_proto_lp)
cmd->lp_advertising =
mlxsw_sp_from_ptys_advert_link(eth_proto_lp);
cmd->transceiver = XCVR_INTERNAL;
return 0;
}
static u32 mlxsw_sp_to_ptys_advert_link(u32 advertising)
static u32
mlxsw_sp_to_ptys_advert_link(const struct ethtool_link_ksettings *cmd)
{
u32 ptys_proto = 0;
int i;
for (i = 0; i < MLXSW_SP_PORT_LINK_MODE_LEN; i++) {
if (advertising & mlxsw_sp_port_link_mode[i].advertised)
if (test_bit(mlxsw_sp_port_link_mode[i].mask_ethtool,
cmd->link_modes.advertising))
ptys_proto |= mlxsw_sp_port_link_mode[i].mask;
}
return ptys_proto;
@ -1876,65 +1852,113 @@ static u32 mlxsw_sp_to_ptys_upper_speed(u32 upper_speed)
return ptys_proto;
}
static int mlxsw_sp_port_set_settings(struct net_device *dev,
struct ethtool_cmd *cmd)
static void mlxsw_sp_port_get_link_supported(u32 eth_proto_cap,
struct ethtool_link_ksettings *cmd)
{
ethtool_link_ksettings_add_link_mode(cmd, supported, Asym_Pause);
ethtool_link_ksettings_add_link_mode(cmd, supported, Autoneg);
ethtool_link_ksettings_add_link_mode(cmd, supported, Pause);
mlxsw_sp_from_ptys_supported_port(eth_proto_cap, cmd);
mlxsw_sp_from_ptys_link(eth_proto_cap, cmd->link_modes.supported);
}
static void mlxsw_sp_port_get_link_advertise(u32 eth_proto_admin, bool autoneg,
struct ethtool_link_ksettings *cmd)
{
if (!autoneg)
return;
ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg);
mlxsw_sp_from_ptys_link(eth_proto_admin, cmd->link_modes.advertising);
}
static void
mlxsw_sp_port_get_link_lp_advertise(u32 eth_proto_lp, u8 autoneg_status,
struct ethtool_link_ksettings *cmd)
{
if (autoneg_status != MLXSW_REG_PTYS_AN_STATUS_OK || !eth_proto_lp)
return;
ethtool_link_ksettings_add_link_mode(cmd, lp_advertising, Autoneg);
mlxsw_sp_from_ptys_link(eth_proto_lp, cmd->link_modes.lp_advertising);
}
static int mlxsw_sp_port_get_link_ksettings(struct net_device *dev,
struct ethtool_link_ksettings *cmd)
{
u32 eth_proto_cap, eth_proto_admin, eth_proto_oper, eth_proto_lp;
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char ptys_pl[MLXSW_REG_PTYS_LEN];
u8 autoneg_status;
bool autoneg;
int err;
autoneg = mlxsw_sp_port->link.autoneg;
mlxsw_reg_ptys_pack(ptys_pl, mlxsw_sp_port->local_port, 0);
err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl);
if (err)
return err;
mlxsw_reg_ptys_unpack(ptys_pl, &eth_proto_cap, &eth_proto_admin,
&eth_proto_oper);
mlxsw_sp_port_get_link_supported(eth_proto_cap, cmd);
mlxsw_sp_port_get_link_advertise(eth_proto_admin, autoneg, cmd);
eth_proto_lp = mlxsw_reg_ptys_eth_proto_lp_advertise_get(ptys_pl);
autoneg_status = mlxsw_reg_ptys_an_status_get(ptys_pl);
mlxsw_sp_port_get_link_lp_advertise(eth_proto_lp, autoneg_status, cmd);
cmd->base.autoneg = autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE;
cmd->base.port = mlxsw_sp_port_connector_port(eth_proto_oper);
mlxsw_sp_from_ptys_speed_duplex(netif_carrier_ok(dev), eth_proto_oper,
cmd);
return 0;
}
static int
mlxsw_sp_port_set_link_ksettings(struct net_device *dev,
const struct ethtool_link_ksettings *cmd)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char ptys_pl[MLXSW_REG_PTYS_LEN];
u32 speed;
u32 eth_proto_new;
u32 eth_proto_cap;
u32 eth_proto_admin;
u32 eth_proto_cap, eth_proto_new;
bool autoneg;
int err;
autoneg = cmd->autoneg == AUTONEG_ENABLE;
speed = ethtool_cmd_speed(cmd);
eth_proto_new = autoneg ?
mlxsw_sp_to_ptys_advert_link(cmd->advertising) :
mlxsw_sp_to_ptys_speed(speed);
mlxsw_reg_ptys_pack(ptys_pl, mlxsw_sp_port->local_port, 0);
err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl);
if (err) {
netdev_err(dev, "Failed to get proto");
if (err)
return err;
}
mlxsw_reg_ptys_unpack(ptys_pl, &eth_proto_cap, &eth_proto_admin, NULL);
mlxsw_reg_ptys_unpack(ptys_pl, &eth_proto_cap, NULL, NULL);
autoneg = cmd->base.autoneg == AUTONEG_ENABLE;
eth_proto_new = autoneg ?
mlxsw_sp_to_ptys_advert_link(cmd) :
mlxsw_sp_to_ptys_speed(cmd->base.speed);
eth_proto_new = eth_proto_new & eth_proto_cap;
if (!eth_proto_new) {
netdev_err(dev, "Not supported proto admin requested");
netdev_err(dev, "No supported speed requested\n");
return -EINVAL;
}
if (eth_proto_new == eth_proto_admin)
return 0;
mlxsw_reg_ptys_pack(ptys_pl, mlxsw_sp_port->local_port, eth_proto_new);
err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl);
if (err) {
netdev_err(dev, "Failed to set proto admin");
if (err)
return err;
}
if (!netif_running(dev))
return 0;
mlxsw_sp_port->link.autoneg = autoneg;
err = mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false);
if (err) {
netdev_err(dev, "Failed to set admin status");
return err;
}
err = mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true);
if (err) {
netdev_err(dev, "Failed to set admin status");
return err;
}
mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false);
mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true);
return 0;
}
@ -1948,8 +1972,8 @@ static const struct ethtool_ops mlxsw_sp_port_ethtool_ops = {
.set_phys_id = mlxsw_sp_port_set_phys_id,
.get_ethtool_stats = mlxsw_sp_port_get_stats,
.get_sset_count = mlxsw_sp_port_get_sset_count,
.get_settings = mlxsw_sp_port_get_settings,
.set_settings = mlxsw_sp_port_set_settings,
.get_link_ksettings = mlxsw_sp_port_get_link_ksettings,
.set_link_ksettings = mlxsw_sp_port_set_link_ksettings,
};
static int