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(p4300206-ipxg22801hodogaya.kanagawa.ocn.ne.jp. [153.172.224.206]) by smtp.gmail.com with ESMTPSA id l16-20020a170903245000b001ebd799bd1csm796129pls.13.2024.04.28.21.39.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 28 Apr 2024 21:39:38 -0700 (PDT) From: FUJITA Tomonori To: netdev@vger.kernel.org Cc: andrew@lunn.ch, jiri@resnulli.us, horms@kernel.org Subject: [PATCH net-next v3 1/6] net: tn40xx: add pci driver for Tehuti Networks TN40xx chips Date: Mon, 29 Apr 2024 13:38:22 +0900 Message-Id: <20240429043827.44407-2-fujita.tomonori@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240429043827.44407-1-fujita.tomonori@gmail.com> References: <20240429043827.44407-1-fujita.tomonori@gmail.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org This just adds the scaffolding for an ethernet driver for Tehuti Networks TN40xx chips. Signed-off-by: FUJITA Tomonori --- MAINTAINERS | 8 +++- drivers/net/ethernet/tehuti/Kconfig | 12 ++++++ drivers/net/ethernet/tehuti/Makefile | 3 ++ drivers/net/ethernet/tehuti/tn40.c | 56 ++++++++++++++++++++++++++++ drivers/net/ethernet/tehuti/tn40.h | 14 +++++++ 5 files changed, 92 insertions(+), 1 deletion(-) create mode 100644 drivers/net/ethernet/tehuti/tn40.c create mode 100644 drivers/net/ethernet/tehuti/tn40.h diff --git a/MAINTAINERS b/MAINTAINERS index ab89edc6974d..3b8f1b8cc2f4 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -21841,7 +21841,13 @@ TEHUTI ETHERNET DRIVER M: Andy Gospodarek L: netdev@vger.kernel.org S: Supported -F: drivers/net/ethernet/tehuti/* +F: drivers/net/ethernet/tehuti/tehuti.* + +TEHUTI TN40XX ETHERNET DRIVER +M: FUJITA Tomonori +L: netdev@vger.kernel.org +S: Supported +F: drivers/net/ethernet/tehuti/tn40* TELECOM CLOCK DRIVER FOR MCPL0010 M: Mark Gross diff --git a/drivers/net/ethernet/tehuti/Kconfig b/drivers/net/ethernet/tehuti/Kconfig index 8735633765a1..849e3b4a71c1 100644 --- a/drivers/net/ethernet/tehuti/Kconfig +++ b/drivers/net/ethernet/tehuti/Kconfig @@ -23,4 +23,16 @@ config TEHUTI help Tehuti Networks 10G Ethernet NIC +config TEHUTI_TN40 + tristate "Tehuti Networks TN40xx 10G Ethernet adapters" + depends on PCI + help + This driver supports 10G Ethernet adapters using Tehuti Networks + TN40xx chips. Currently, adapters with Applied Micro Circuits + Corporation QT2025 are supported; Tehuti Networks TN9310, + DLink DXE-810S, ASUS XG-C100F, and Edimax EN-9320. + + To compile this driver as a module, choose M here: the module + will be called tn40xx. + endif # NET_VENDOR_TEHUTI diff --git a/drivers/net/ethernet/tehuti/Makefile b/drivers/net/ethernet/tehuti/Makefile index 13a0ddd62088..1c468d99e476 100644 --- a/drivers/net/ethernet/tehuti/Makefile +++ b/drivers/net/ethernet/tehuti/Makefile @@ -4,3 +4,6 @@ # obj-$(CONFIG_TEHUTI) += tehuti.o + +tn40xx-y := tn40.o +obj-$(CONFIG_TEHUTI_TN40) += tn40xx.o diff --git a/drivers/net/ethernet/tehuti/tn40.c b/drivers/net/ethernet/tehuti/tn40.c new file mode 100644 index 000000000000..fe2c392abe31 --- /dev/null +++ b/drivers/net/ethernet/tehuti/tn40.c @@ -0,0 +1,56 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* Copyright (c) Tehuti Networks Ltd. */ + +#include "tn40.h" + +static int tn40_probe(struct pci_dev *pdev, const struct pci_device_id *ent) +{ + int ret; + + ret = pci_enable_device(pdev); + if (ret) + return ret; + + if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64))) { + ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); + if (ret) { + dev_err(&pdev->dev, "failed to set DMA mask.\n"); + goto err_disable_device; + } + } + return 0; +err_disable_device: + pci_disable_device(pdev); + return ret; +} + +static void tn40_remove(struct pci_dev *pdev) +{ + pci_disable_device(pdev); +} + +static const struct pci_device_id tn40_id_table[] = { + { PCI_DEVICE_SUB(PCI_VENDOR_ID_TEHUTI, 0x4022, + PCI_VENDOR_ID_TEHUTI, 0x3015) }, + { PCI_DEVICE_SUB(PCI_VENDOR_ID_TEHUTI, 0x4022, + PCI_VENDOR_ID_DLINK, 0x4d00) }, + { PCI_DEVICE_SUB(PCI_VENDOR_ID_TEHUTI, 0x4022, + PCI_VENDOR_ID_ASUSTEK, 0x8709) }, + { PCI_DEVICE_SUB(PCI_VENDOR_ID_TEHUTI, 0x4022, + PCI_VENDOR_ID_EDIMAX, 0x8103) }, + { } +}; + +static struct pci_driver tn40_driver = { + .name = TN40_DRV_NAME, + .id_table = tn40_id_table, + .probe = tn40_probe, + .remove = tn40_remove, +}; + +module_pci_driver(tn40_driver); + +MODULE_DEVICE_TABLE(pci, tn40_id_table); +MODULE_AUTHOR("Tehuti networks"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Tehuti Network TN40xx Driver"); diff --git a/drivers/net/ethernet/tehuti/tn40.h b/drivers/net/ethernet/tehuti/tn40.h new file mode 100644 index 000000000000..098267dfbc07 --- /dev/null +++ b/drivers/net/ethernet/tehuti/tn40.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* Copyright (c) Tehuti Networks Ltd. */ + +#ifndef _TN40_H_ +#define _TN40_H_ + +#include +#include + +#define TN40_DRV_NAME "tn40xx" + +#define PCI_VENDOR_ID_EDIMAX 0x1432 + +#endif /* _TN40XX_H */