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authorAmit Cohen <amitc@mellanox.com>2019-08-28 18:54:34 +0300
committerDavid S. Miller <davem@davemloft.net>2019-08-28 18:24:04 -0700
commitb97cd891268de9ccc5454c189232c74f262961ae (patch)
tree3fb91569d3a269cd0f0b8124d1fe024f2262a654 /drivers
parentnet: phy: force phy suspend when calling phy_stop (diff)
downloadlinux-dev-b97cd891268de9ccc5454c189232c74f262961ae.tar.xz
linux-dev-b97cd891268de9ccc5454c189232c74f262961ae.zip
mlxsw: Remove 56G speed support
Commit 275e928f1911 ("mlxsw: spectrum: Prevent force of 56G") prevented the driver from setting a speed of 56G when auto-negotiation is off. This is the only speed supported by mlxsw that cannot be set when auto-negotiation is off, which makes it difficult to write generic tests. Further, the speed is not supported by newer ASICs such as Spectrum-2 and to the best of our knowledge it is not used by current users. Therefore, remove 56G support from mlxsw. Signed-off-by: Amit Cohen <amitc@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/reg.h1
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum.c24
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/switchx2.c6
3 files changed, 0 insertions, 31 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h
index baa20cdd65df..5494cf93f34c 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/reg.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h
@@ -4126,7 +4126,6 @@ MLXSW_ITEM32(reg, ptys, ext_eth_proto_cap, 0x08, 0, 32);
#define MLXSW_REG_PTYS_ETH_SPEED_20GBASE_KR2 BIT(5)
#define MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4 BIT(6)
#define MLXSW_REG_PTYS_ETH_SPEED_40GBASE_KR4 BIT(7)
-#define MLXSW_REG_PTYS_ETH_SPEED_56GBASE_R4 BIT(8)
#define MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CR BIT(12)
#define MLXSW_REG_PTYS_ETH_SPEED_10GBASE_SR BIT(13)
#define MLXSW_REG_PTYS_ETH_SPEED_10GBASE_ER_LR BIT(14)
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index 7de9833fc60b..4d1f8b9c46a7 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -2609,26 +2609,6 @@ static const struct mlxsw_sp1_port_link_mode mlxsw_sp1_port_link_mode[] = {
.speed = SPEED_50000,
},
{
- .mask = MLXSW_REG_PTYS_ETH_SPEED_56GBASE_R4,
- .mask_ethtool = ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT,
- .speed = SPEED_56000,
- },
- {
- .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,
@@ -3301,10 +3281,6 @@ mlxsw_sp_port_set_link_ksettings(struct net_device *dev,
ops->reg_ptys_eth_unpack(mlxsw_sp, ptys_pl, &eth_proto_cap, NULL, NULL);
autoneg = cmd->base.autoneg == AUTONEG_ENABLE;
- if (!autoneg && cmd->base.speed == SPEED_56000) {
- netdev_err(dev, "56G not supported with autoneg off\n");
- return -EINVAL;
- }
eth_proto_new = autoneg ?
ops->to_ptys_advert_link(mlxsw_sp, cmd) :
ops->to_ptys_speed(mlxsw_sp, cmd->base.speed);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/switchx2.c b/drivers/net/ethernet/mellanox/mlxsw/switchx2.c
index bdab96f5bc70..1c14c051ee52 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/switchx2.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/switchx2.c
@@ -637,12 +637,6 @@ static const struct mlxsw_sx_port_link_mode mlxsw_sx_port_link_mode[] = {
.speed = 50000,
},
{
- .mask = MLXSW_REG_PTYS_ETH_SPEED_56GBASE_R4,
- .supported = SUPPORTED_56000baseKR4_Full,
- .advertised = ADVERTISED_56000baseKR4_Full,
- .speed = 56000,
- },
- {
.mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_CR4 |
MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4 |
MLXSW_REG_PTYS_ETH_SPEED_100GBASE_KR4 |