Commit a1b87145 authored by Slava Shwartsman's avatar Slava Shwartsman Committed by David S. Miller

net/mlx4: Use Kconfig flag to remove support of old gen2 Mellanox devices

Since Mellanox focus is on newer adapters, we would like to have the
ability to disable the support for old gen2 adapters.

This can be done by turning off the MLX4_CORE_GEN2 Kconfig flag.
We keep it turned on by default.
Signed-off-by: default avatarSlava Shwartsman <slavash@mellanox.com>
Signed-off-by: default avatarTariq Toukan <tariqt@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0642840b
...@@ -38,3 +38,11 @@ config MLX4_DEBUG ...@@ -38,3 +38,11 @@ config MLX4_DEBUG
mlx4_core driver. The output can be turned on via the mlx4_core driver. The output can be turned on via the
debug_level module parameter (which can also be set after debug_level module parameter (which can also be set after
the driver is loaded through sysfs). the driver is loaded through sysfs).
config MLX4_CORE_GEN2
bool "Support for old gen2 Mellanox PCI IDs" if (MLX4_CORE)
depends on MLX4_CORE
default y
---help---
Say Y here if you want to use old gen2 Mellanox devices in the
driver.
...@@ -4066,6 +4066,7 @@ int mlx4_restart_one(struct pci_dev *pdev) ...@@ -4066,6 +4066,7 @@ int mlx4_restart_one(struct pci_dev *pdev)
#define MLX_GN(id) { PCI_VDEVICE(MELLANOX, id), 0 } #define MLX_GN(id) { PCI_VDEVICE(MELLANOX, id), 0 }
static const struct pci_device_id mlx4_pci_table[] = { static const struct pci_device_id mlx4_pci_table[] = {
#ifdef CONFIG_MLX4_CORE_GEN2
/* MT25408 "Hermon" */ /* MT25408 "Hermon" */
MLX_SP(PCI_DEVICE_ID_MELLANOX_HERMON_SDR), /* SDR */ MLX_SP(PCI_DEVICE_ID_MELLANOX_HERMON_SDR), /* SDR */
MLX_SP(PCI_DEVICE_ID_MELLANOX_HERMON_DDR), /* DDR */ MLX_SP(PCI_DEVICE_ID_MELLANOX_HERMON_DDR), /* DDR */
...@@ -4085,6 +4086,7 @@ static const struct pci_device_id mlx4_pci_table[] = { ...@@ -4085,6 +4086,7 @@ static const struct pci_device_id mlx4_pci_table[] = {
MLX_SP(PCI_DEVICE_ID_MELLANOX_CONNECTX2), MLX_SP(PCI_DEVICE_ID_MELLANOX_CONNECTX2),
/* MT25400 Family [ConnectX-2] */ /* MT25400 Family [ConnectX-2] */
MLX_VF(0x1002), /* Virtual Function */ MLX_VF(0x1002), /* Virtual Function */
#endif /* CONFIG_MLX4_CORE_GEN2 */
/* MT27500 Family [ConnectX-3] */ /* MT27500 Family [ConnectX-3] */
MLX_GN(PCI_DEVICE_ID_MELLANOX_CONNECTX3), MLX_GN(PCI_DEVICE_ID_MELLANOX_CONNECTX3),
MLX_VF(0x1004), /* Virtual Function */ MLX_VF(0x1004), /* Virtual Function */
......
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