[PATCH v24 net-next 01/11] net/nebula-matrix: add minimum nbl build framework
"illusion.wang" <[email protected]>
| Newsgroups | gmane.linux.kernel,gmane.linux.network,gmane.linux.documentation |
|---|---|
| Message-ID | <[email protected]> |
From: illusion wang <[email protected]> This patch adds the minimum build infrastructure: 1. Add Kconfig, Makefile and MAINTAINERS entries; 2. Add corresponding driver documentation; 3. Add PCI driver skeleton with empty stubs for nbl driver. Signed-off-by: illusion wang <[email protected]> --- .../device_drivers/ethernet/index.rst | 1 + .../ethernet/nebula-matrix/nbl.rst | 28 +++++ MAINTAINERS | 10 ++ drivers/net/ethernet/Kconfig | 1 + drivers/net/ethernet/Makefile | 1 + drivers/net/ethernet/nebula-matrix/Kconfig | 31 ++++++ drivers/net/ethernet/nebula-matrix/Makefile | 6 ++ .../net/ethernet/nebula-matrix/nbl/Makefile | 6 ++ .../net/ethernet/nebula-matrix/nbl/nbl_core.h | 13 +++ .../nbl/nbl_include/nbl_include.h | 14 +++ .../net/ethernet/nebula-matrix/nbl/nbl_main.c | 100 ++++++++++++++++++ 11 files changed, 211 insertions(+) create mode 100644 Documentation/networking/device_drivers/ethernet/nebula-matrix/nbl.rst create mode 100644 drivers/net/ethernet/nebula-matrix/Kconfig create mode 100644 drivers/net/ethernet/nebula-matrix/Makefile create mode 100644 drivers/net/ethernet/nebula-matrix/nbl/Makefile create mode 100644 drivers/net/ethernet/nebula-matrix/nbl/nbl_core.h create mode 100644 drivers/net/ethernet/nebula-matrix/nbl/nbl_include/nbl_include.h create mode 100644 drivers/net/ethernet/nebula-matrix/nbl/nbl_main.c diff --git a/Documentation/networking/device_drivers/ethernet/index.rst b/Documentation/networking/device_drivers/ethernet/index.rst index 786a23c84b90..4d74b954b0ba 100644 --- a/Documentation/networking/device_drivers/ethernet/index.rst +++ b/Documentation/networking/device_drivers/ethernet/index.rst @@ -47,6 +47,7 @@ Contents: meta/fbnic microsoft/netvsc mucse/rnpgbe + nebula-matrix/nbl netronome/nfp pensando/ionic pensando/ionic_rdma diff --git a/Documentation/networking/device_drivers/ethernet/nebula-matrix/nbl.rst b/Documentation/networking/device_drivers/ethernet/nebula-matrix/nbl.rst new file mode 100644 index 000000000000..ff38302968c5 --- /dev/null +++ b/Documentation/networking/device_drivers/ethernet/nebula-matrix/nbl.rst @@ -0,0 +1,28 @@ +.. SPDX-License-Identifier: GPL-2.0 + +================================================================ +Linux Base Driver for Nebula-matrix m18110-NIC/m18000-NIC family +================================================================ + +Overview: +========= +The m18110-NIC/m18000-NIC is a series of network interface cards for the Data +Center Area. + +The driver supports link-speed 100GbE/25GE/10GE. + +m18110-NIC/m18000-NIC devices support MSI-X interrupt vector for each Tx/Rx +queue and interrupt moderation. + +m18110-NIC/m18000-NIC devices support also various offload features such as +checksum offload, Receive-Side Scaling(RSS). + +Support +======= + +For more information about m18110-NIC/m18000-NIC, please visit the following URL: +https://www.nebula-matrix.com/snic_s1000_en + +If an issue is identified with the released source code on the supported kernel +with a supported adapter, email the specific information related to the issue to [email protected]. diff --git a/MAINTAINERS b/MAINTAINERS index 00e7b26e0a23..ab0910a6836d 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -18597,6 +18597,16 @@ F: Documentation/devicetree/bindings/hwmon/nuvoton,nct7363.yaml F: Documentation/hwmon/nct7363.rst F: drivers/hwmon/nct7363.c +NEBULA-MATRIX ETHERNET DRIVER (nebula-matrix) +M: Illusion Wang <[email protected]> +M: Dimon Zhao <[email protected]> +M: Alvin Wang <[email protected]> +M: Sam Chen <[email protected]> +L: [email protected] +S: Maintained +F: Documentation/networking/device_drivers/ethernet/nebula-matrix/ +F: drivers/net/ethernet/nebula-matrix/ + NETCONSOLE M: Breno Leitao <[email protected]> S: Maintained diff --git a/drivers/net/ethernet/Kconfig b/drivers/net/ethernet/Kconfig index 78c79ad7bba5..5c21d02c4e11 100644 --- a/drivers/net/ethernet/Kconfig +++ b/drivers/net/ethernet/Kconfig @@ -130,6 +130,7 @@ config FEALNX source "drivers/net/ethernet/ni/Kconfig" source "drivers/net/ethernet/natsemi/Kconfig" +source "drivers/net/ethernet/nebula-matrix/Kconfig" source "drivers/net/ethernet/netronome/Kconfig" source "drivers/net/ethernet/8390/Kconfig" source "drivers/net/ethernet/nvidia/Kconfig" diff --git a/drivers/net/ethernet/Makefile b/drivers/net/ethernet/Makefile index bba55d9af387..accce62a79a6 100644 --- a/drivers/net/ethernet/Makefile +++ b/drivers/net/ethernet/Makefile @@ -67,6 +67,7 @@ obj-$(CONFIG_NET_VENDOR_MUCSE) += mucse/ obj-$(CONFIG_NET_VENDOR_MYRI) += myricom/ obj-$(CONFIG_FEALNX) += fealnx.o obj-$(CONFIG_NET_VENDOR_NATSEMI) += natsemi/ +obj-$(CONFIG_NET_VENDOR_NEBULA_MATRIX) += nebula-matrix/ obj-$(CONFIG_NET_VENDOR_NETRONOME) += netronome/ obj-$(CONFIG_NET_VENDOR_NI) += ni/ obj-$(CONFIG_NET_VENDOR_NVIDIA) += nvidia/ diff --git a/drivers/net/ethernet/nebula-matrix/Kconfig b/drivers/net/ethernet/nebula-matrix/Kconfig new file mode 100644 index 000000000000..f16e9663eaed --- /dev/null +++ b/drivers/net/ethernet/nebula-matrix/Kconfig @@ -0,0 +1,31 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Nebula-matrix network device configuration +# + +config NET_VENDOR_NEBULA_MATRIX + bool "Nebula-matrix devices" + default y + help + If you have a network (Ethernet) card belonging to this class, say Y. + Note that the answer to this question doesn't directly affect the + kernel: saying N will just cause the configurator to skip all + the questions about Nebula-matrix cards. If you say Y, you will be asked + for your specific card in the following questions. + +if NET_VENDOR_NEBULA_MATRIX + +config NBL + tristate "Nebula-matrix Ethernet Controller m18110/m18000 support" + depends on PCI && (64BIT || COMPILE_TEST) && !CPU_BIG_ENDIAN + help + This driver supports Nebula-matrix Ethernet Controller m18110/m18000 + Family of devices. + + More specific information on configuring the driver is in + <file:Documentation/networking/device_drivers/ethernet/nebula-matrix/nbl.rst>. + + To compile this driver as a module, choose M here. The module + will be called nbl. + +endif # NET_VENDOR_NEBULA_MATRIX diff --git a/drivers/net/ethernet/nebula-matrix/Makefile b/drivers/net/ethernet/nebula-matrix/Makefile new file mode 100644 index 000000000000..42cdf2db8f0c --- /dev/null +++ b/drivers/net/ethernet/nebula-matrix/Makefile @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Makefile for the Nebula-matrix network device drivers. +# + +obj-$(CONFIG_NBL) += nbl/ diff --git a/drivers/net/ethernet/nebula-matrix/nbl/Makefile b/drivers/net/ethernet/nebula-matrix/nbl/Makefile new file mode 100644 index 000000000000..b90fba239401 --- /dev/null +++ b/drivers/net/ethernet/nebula-matrix/nbl/Makefile @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2025 Nebula Matrix Limited. + +obj-$(CONFIG_NBL) := nbl.o + +nbl-objs += nbl_main.o diff --git a/drivers/net/ethernet/nebula-matrix/nbl/nbl_core.h b/drivers/net/ethernet/nebula-matrix/nbl/nbl_core.h new file mode 100644 index 000000000000..59f5b92944cc --- /dev/null +++ b/drivers/net/ethernet/nebula-matrix/nbl/nbl_core.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2025 Nebula Matrix Limited. + */ + +#ifndef _NBL_CORE_H_ +#define _NBL_CORE_H_ + +enum { + NBL_CAP_HAS_NET_BIT, +}; + +#endif diff --git a/drivers/net/ethernet/nebula-matrix/nbl/nbl_include/nbl_include.h b/drivers/net/ethernet/nebula-matrix/nbl/nbl_include/nbl_include.h new file mode 100644 index 000000000000..cd99f96e1568 --- /dev/null +++ b/drivers/net/ethernet/nebula-matrix/nbl/nbl_include/nbl_include.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2025 Nebula Matrix Limited. + */ + +#ifndef _NBL_INCLUDE_H_ +#define _NBL_INCLUDE_H_ + +#include <linux/types.h> + +/* ------ Basic definitions ------- */ +#define NBL_DRIVER_NAME "nbl" + +#endif diff --git a/drivers/net/ethernet/nebula-matrix/nbl/nbl_main.c b/drivers/net/ethernet/nebula-matrix/nbl/nbl_main.c new file mode 100644 index 000000000000..7c969c854bdc --- /dev/null +++ b/drivers/net/ethernet/nebula-matrix/nbl/nbl_main.c @@ -0,0 +1,100 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2025 Nebula Matrix Limited. + */ + +#include <linux/device.h> +#include <linux/pci.h> +#include <linux/module.h> +#include <linux/bits.h> +#include "nbl_include/nbl_include.h" +#include "nbl_core.h" + +static int nbl_probe(struct pci_dev *pdev, + const struct pci_device_id *id) +{ + return -ENODEV; +} + +static void nbl_remove(struct pci_dev *pdev) +{ +} + +/* + * PCI Device IDs for Leonis/NBL Network Controllers + * + * Vendor ID: 0x1F0F + * SNIC v3r1 product Device IDs range: 0x3403-0x3412 + */ +#define NBL_VENDOR_ID 0x1F0F + +#define NBL_DEVICE_ID_M18110 0x3403 +#define NBL_DEVICE_ID_M18110_LX 0x3404 +#define NBL_DEVICE_ID_M18110_BASE_T 0x3405 +#define NBL_DEVICE_ID_M18110_LX_BASE_T 0x3406 +#define NBL_DEVICE_ID_M18110_OCP 0x3407 +#define NBL_DEVICE_ID_M18110_LX_OCP 0x3408 +#define NBL_DEVICE_ID_M18110_BASE_T_OCP 0x3409 +#define NBL_DEVICE_ID_M18110_LX_BASE_T_OCP 0x340a +#define NBL_DEVICE_ID_M18000 0x340b +#define NBL_DEVICE_ID_M18000_LX 0x340c +#define NBL_DEVICE_ID_M18000_BASE_T 0x340d +#define NBL_DEVICE_ID_M18000_LX_BASE_T 0x340e +#define NBL_DEVICE_ID_M18000_OCP 0x340f +#define NBL_DEVICE_ID_M18000_LX_OCP 0x3410 +#define NBL_DEVICE_ID_M18000_BASE_T_OCP 0x3411 +#define NBL_DEVICE_ID_M18000_LX_BASE_T_OCP 0x3412 + +/* All below IDs belong to Leonis ASIC family, different form-factor variants, + * share the same hardware initialization flow without differentiated ops. + */ +static const struct pci_device_id nbl_id_table[] = { + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18110), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18110_LX), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18110_BASE_T), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18110_LX_BASE_T), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18110_OCP), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18110_LX_OCP), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18110_BASE_T_OCP), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18110_LX_BASE_T_OCP), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18000), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18000_LX), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18000_BASE_T), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18000_LX_BASE_T), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18000_OCP), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18000_LX_OCP), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18000_BASE_T_OCP), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18000_LX_BASE_T_OCP), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) }, + /* required as sentinel */ + { } +}; +MODULE_DEVICE_TABLE(pci, nbl_id_table); + +static struct pci_driver nbl_driver = { + .name = NBL_DRIVER_NAME, + .id_table = nbl_id_table, + .probe = nbl_probe, + .remove = nbl_remove, +}; + +module_pci_driver(nbl_driver); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Nebula Matrix Network Driver"); +MODULE_AUTHOR("Illusion Wang <[email protected]>"); -- 2.47.3