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jpirkodavem330
jpirko
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mlxsw: spectrum: Add initial support for Spectrum ASIC
Add support for new generation Mellanox Spectrum ASIC, 10/25/40/50 and 100Gb/s Ethernet Switch. The initial driver implements bridge forwarding offload including bridge internal VLAN support, FDB static entries, FDB learning and HW ageing including their setup. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Elad Raz <eladr@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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‎drivers/net/ethernet/mellanox/mlxsw/Kconfig

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@@ -30,3 +30,14 @@ config MLXSW_SWITCHX2
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To compile this driver as a module, choose M here: the
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module will be called mlxsw_switchx2.
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config MLXSW_SPECTRUM
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tristate "Mellanox Technologies Spectrum support"
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depends on MLXSW_CORE && NET_SWITCHDEV
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default m
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---help---
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This driver supports Mellanox Technologies Spectrum Ethernet
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Switch ASICs.
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To compile this driver as a module, choose M here: the
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module will be called mlxsw_spectrum.

‎drivers/net/ethernet/mellanox/mlxsw/Makefile

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@@ -4,3 +4,6 @@ obj-$(CONFIG_MLXSW_PCI) += mlxsw_pci.o
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mlxsw_pci-objs := pci.o
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obj-$(CONFIG_MLXSW_SWITCHX2) += mlxsw_switchx2.o
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mlxsw_switchx2-objs := switchx2.o
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obj-$(CONFIG_MLXSW_SPECTRUM) += mlxsw_spectrum.o
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mlxsw_spectrum-objs := spectrum.o spectrum_buffers.o \
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spectrum_switchdev.o

‎drivers/net/ethernet/mellanox/mlxsw/core.h

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@@ -54,6 +54,7 @@
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MODULE_ALIAS(MLXSW_MODULE_ALIAS_PREFIX kind)
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#define MLXSW_DEVICE_KIND_SWITCHX2 "switchx2"
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#define MLXSW_DEVICE_KIND_SPECTRUM "spectrum"
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struct mlxsw_core;
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struct mlxsw_driver;

‎drivers/net/ethernet/mellanox/mlxsw/pci.c

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@@ -57,6 +57,7 @@ static const char mlxsw_pci_driver_name[] = "mlxsw_pci";
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static const struct pci_device_id mlxsw_pci_id_table[] = {
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{PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SWITCHX2), 0},
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{PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM), 0},
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{0, }
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};
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@@ -67,6 +68,8 @@ static const char *mlxsw_pci_device_kind_get(const struct pci_device_id *id)
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switch (id->device) {
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case PCI_DEVICE_ID_MELLANOX_SWITCHX2:
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return MLXSW_DEVICE_KIND_SWITCHX2;
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case PCI_DEVICE_ID_MELLANOX_SPECTRUM:
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return MLXSW_DEVICE_KIND_SPECTRUM;
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default:
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BUG();
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}

‎drivers/net/ethernet/mellanox/mlxsw/pci.h

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#include "item.h"
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#define PCI_DEVICE_ID_MELLANOX_SWITCHX2 0xc738
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#define PCI_DEVICE_ID_MELLANOX_SPECTRUM 0xcb84
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#define MLXSW_PCI_BAR0_SIZE (1024 * 1024) /* 1MB */
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#define MLXSW_PCI_PAGE_SIZE 4096
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