* (no subject)
@ 2024-08-14 8:03 howard_wang
2024-08-14 15:04 ` Stephen Hemminger
0 siblings, 1 reply; 2+ messages in thread
From: howard_wang @ 2024-08-14 8:03 UTC (permalink / raw)
To: dev
[-- Attachment #1: 0001-net-r8169-add-PMD-driver-skeleton.patch --]
[-- Type: application/octet-stream, Size: 8056 bytes --]
From 7e61211f99445dab158fc955b363b5c622a6f0ef Mon Sep 17 00:00:00 2001
From: Howard Wang <howard_wang@realsil.com.cn>
Date: Mon, 5 Aug 2024 15:52:04 +0800
Subject: [PATCH] net/r8169: add PMD driver skeleton
Meson build infrastructure, r8169_ethdev minimal skeleton,
header with Realtek NIC device and vendor IDs.
Signed-off-by: Howard Wang <howard_wang@realsil.com.cn>
---
MAINTAINERS | 7 ++
drivers/net/meson.build | 1 +
drivers/net/r8169/meson.build | 6 ++
drivers/net/r8169/r8169_base.h | 15 +++
drivers/net/r8169/r8169_ethdev.c | 180 +++++++++++++++++++++++++++++++
drivers/net/r8169/r8169_ethdev.h | 40 +++++++
6 files changed, 249 insertions(+)
create mode 100644 drivers/net/r8169/meson.build
create mode 100644 drivers/net/r8169/r8169_base.h
create mode 100644 drivers/net/r8169/r8169_ethdev.c
create mode 100644 drivers/net/r8169/r8169_ethdev.h
diff --git a/MAINTAINERS b/MAINTAINERS
index c5a703b5c0..5f9eccc43f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1076,6 +1076,13 @@ F: drivers/net/memif/
F: doc/guides/nics/memif.rst
F: doc/guides/nics/features/memif.ini
+Realtek r8169
+M: Howard Wang <howard_wang@realsil.com.cn>
+M: ChunHao Lin <hau@realtek.com>
+M: Xing Wang <xing_wang@realsil.com.cn>
+M: Realtek NIC SW <pro_nic_dpdk@realtek.com>
+F: drivers/net/r8169
+
Crypto Drivers
--------------
diff --git a/drivers/net/meson.build b/drivers/net/meson.build
index fb6d34b782..fddcf39655 100644
--- a/drivers/net/meson.build
+++ b/drivers/net/meson.build
@@ -53,6 +53,7 @@ drivers = [
'pfe',
'qede',
'ring',
+ 'r8169',
'sfc',
'softnic',
'tap',
diff --git a/drivers/net/r8169/meson.build b/drivers/net/r8169/meson.build
new file mode 100644
index 0000000000..5fcd871787
--- /dev/null
+++ b/drivers/net/r8169/meson.build
@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2024 Realtek Corporation. All rights reserved
+
+sources = files(
+ 'r8169_ethdev.c',
+)
\ No newline at end of file
diff --git a/drivers/net/r8169/r8169_base.h b/drivers/net/r8169/r8169_base.h
new file mode 100644
index 0000000000..5d219a7966
--- /dev/null
+++ b/drivers/net/r8169/r8169_base.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2024 Realtek Corporation. All rights reserved
+ */
+
+#ifndef _R8169_BASE_H_
+#define _R8169_BASE_H_
+
+typedef uint8_t u8;
+typedef uint16_t u16;
+typedef uint32_t u32;
+typedef uint64_t u64;
+
+#define PCI_VENDOR_ID_REALTEK 0x10EC
+
+#endif
\ No newline at end of file
diff --git a/drivers/net/r8169/r8169_ethdev.c b/drivers/net/r8169/r8169_ethdev.c
new file mode 100644
index 0000000000..2288361d0c
--- /dev/null
+++ b/drivers/net/r8169/r8169_ethdev.c
@@ -0,0 +1,180 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2024 Realtek Corporation. All rights reserved
+ */
+
+#include <sys/queue.h>
+#include <stdio.h>
+#include <errno.h>
+#include <stdint.h>
+#include <stdarg.h>
+
+#include <rte_eal.h>
+
+#include <rte_string_fns.h>
+#include <rte_common.h>
+#include <rte_interrupts.h>
+#include <rte_byteorder.h>
+#include <rte_log.h>
+#include <rte_debug.h>
+#include <rte_pci.h>
+#include <bus_pci_driver.h>
+#include <rte_ether.h>
+#include <ethdev_driver.h>
+#include <ethdev_pci.h>
+#include <rte_memory.h>
+#include <rte_malloc.h>
+#include <dev_driver.h>
+
+#include "r8169_ethdev.h"
+#include "r8169_base.h"
+
+static int rtl_dev_configure(struct rte_eth_dev *dev __rte_unused);
+static int rtl_dev_start(struct rte_eth_dev *dev);
+static int rtl_dev_stop(struct rte_eth_dev *dev);
+static int rtl_dev_reset(struct rte_eth_dev *dev);
+static int rtl_dev_close(struct rte_eth_dev *dev);
+
+/*
+ * The set of PCI devices this driver supports
+ */
+static const struct rte_pci_id pci_id_r8169_map[] = {
+ { RTE_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8125) },
+ { RTE_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8162) },
+ { RTE_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8126) },
+ { RTE_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x5000) },
+ {.vendor_id = 0, /* sentinel */ },
+};
+
+static const struct eth_dev_ops rtl_eth_dev_ops = {
+ .dev_configure = rtl_dev_configure,
+ .dev_start = rtl_dev_start,
+ .dev_stop = rtl_dev_stop,
+ .dev_close = rtl_dev_close,
+ .dev_reset = rtl_dev_reset,
+};
+
+static int
+rtl_dev_configure(struct rte_eth_dev *dev __rte_unused)
+{
+ return 0;
+}
+
+/*
+ * Configure device link speed and setup link.
+ * It returns 0 on success.
+ */
+static int
+rtl_dev_start(struct rte_eth_dev *dev)
+{
+ struct rtl_adapter *adapter = RTL_DEV_PRIVATE(dev);
+ struct rtl_hw *hw = &adapter->hw;
+
+ hw->adapter_stopped = 0;
+
+ return 0;
+}
+
+/*
+ * Stop device: disable RX and TX functions to allow for reconfiguring.
+ */
+static int
+rtl_dev_stop(struct rte_eth_dev *dev)
+{
+ struct rtl_adapter *adapter = RTL_DEV_PRIVATE(dev);
+ struct rtl_hw *hw = &adapter->hw;
+
+ if (hw->adapter_stopped)
+ return 0;
+
+ hw->adapter_stopped = 1;
+ dev->data->dev_started = 0;
+
+ return 0;
+}
+
+/*
+ * Reset and stop device.
+ */
+static int
+rtl_dev_close(struct rte_eth_dev *dev)
+{
+ int ret_stp;
+
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return 0;
+
+ ret_stp = rtl_dev_stop(dev);
+
+ return ret_stp;
+}
+
+static int
+rtl_dev_init(struct rte_eth_dev *dev)
+{
+ struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
+ struct rte_intr_handle *intr_handle = pci_dev->intr_handle;
+ struct rtl_adapter *adapter = RTL_DEV_PRIVATE(dev);
+ struct rtl_hw *hw = &adapter->hw;
+
+ dev->dev_ops = &rtl_eth_dev_ops;
+ //dev->tx_pkt_burst = &rtl_xmit_pkts;
+ //dev->rx_pkt_burst = &rtl_recv_pkts;
+
+ /* For secondary processes, the primary process has done all the work */
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return 0;
+
+ rte_eth_copy_pci_info(dev, pci_dev);
+
+ return 0;
+}
+
+static int
+rtl_dev_uninit(struct rte_eth_dev *dev)
+{
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return -EPERM;
+
+ rtl_dev_close(dev);
+
+ return 0;
+}
+
+static int
+rtl_dev_reset(struct rte_eth_dev *dev)
+{
+ int ret;
+
+ ret = rtl_dev_uninit(dev);
+ if (ret)
+ return ret;
+
+ ret = rtl_dev_init(dev);
+
+ return ret;
+}
+
+static int
+rtl_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
+ struct rte_pci_device *pci_dev)
+{
+ return rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct rtl_adapter),
+ rtl_dev_init);
+}
+
+static int
+rtl_pci_remove(struct rte_pci_device *pci_dev)
+{
+ return rte_eth_dev_pci_generic_remove(pci_dev, rtl_dev_uninit);
+}
+
+static struct rte_pci_driver rte_r8169_pmd = {
+ .id_table = pci_id_r8169_map,
+ .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
+ .probe = rtl_pci_probe,
+ .remove = rtl_pci_remove,
+};
+
+RTE_PMD_REGISTER_PCI(net_r8169, rte_r8169_pmd);
+RTE_PMD_REGISTER_PCI_TABLE(net_r8169, pci_id_r8169_map);
+RTE_PMD_REGISTER_KMOD_DEP(net_r8169, "* igb_uio | uio_pci_generic | vfio-pci");
diff --git a/drivers/net/r8169/r8169_ethdev.h b/drivers/net/r8169/r8169_ethdev.h
new file mode 100644
index 0000000000..ab0ad28e28
--- /dev/null
+++ b/drivers/net/r8169/r8169_ethdev.h
@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2024 Realtek Corporation. All rights reserved
+ */
+
+#ifndef _R8169_ETHDEV_H_
+#define _R8169_ETHDEV_H_
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#include <rte_ethdev.h>
+#include <rte_ethdev_core.h>
+
+#include "r8169_base.h"
+
+struct rtl_hw {
+ u8 adapter_stopped;
+};
+
+struct rtl_sw_stats {
+ u64 tx_packets;
+ u64 tx_bytes;
+ u64 tx_errors;
+ u64 rx_packets;
+ u64 rx_bytes;
+ u64 rx_errors;
+};
+
+struct rtl_adapter {
+ struct rtl_hw hw;
+ struct rtl_sw_stats sw_stats;
+};
+
+#define RTL_DEV_PRIVATE(eth_dev) \
+ ((struct rtl_adapter *)((eth_dev)->data->dev_private))
+
+uint16_t rtl_xmit_pkts(void *txq, struct rte_mbuf **tx_pkts, uint16_t nb_pkts);
+uint16_t rtl_recv_pkts(void *rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts);
+
+#endif
\ No newline at end of file
--
2.34.1
^ permalink raw reply [flat|nested] 2+ messages in thread* Re:
2024-08-14 8:03 howard_wang
@ 2024-08-14 15:04 ` Stephen Hemminger
0 siblings, 0 replies; 2+ messages in thread
From: Stephen Hemminger @ 2024-08-14 15:04 UTC (permalink / raw)
To: howard_wang; +Cc: dev
On Wed, 14 Aug 2024 16:03:41 +0800
<howard_wang@realsil.com.cn> wrote:
> iff --git a/drivers/net/r8169/r8169_base.h b/drivers/net/r8169/r8169_base.h
> new file mode 100644
> index 0000000000..5d219a7966
> --- /dev/null
> +++ b/drivers/net/r8169/r8169_base.h
> @@ -0,0 +1,15 @@
> +/* SPDX-License-Identifier: BSD-3-Clause
> + * Copyright(c) 2024 Realtek Corporation. All rights reserved
> + */
> +
> +#ifndef _R8169_BASE_H_
> +#define _R8169_BASE_H_
> +
> +typedef uint8_t u8;
> +typedef uint16_t u16;
> +typedef uint32_t u32;
> +typedef uint64_t u64;
> +
> +#define PCI_VENDOR_ID_REALTEK 0x10EC
> +
> +#endif
> \ No newline at end of file
Fix you editor setup, all files should end with newline.
^ permalink raw reply [flat|nested] 2+ messages in thread
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