[dpdk-dev] [PATCH v4 02/58] net/txgbe: add ethdev probe and remove

Jiawen Wu jiawenwu at trustnetic.com
Mon Oct 19 10:53:19 CEST 2020


From: jiawenwu <jiawenwu at trustnetic.com>

Add basic PCIe ethdev probe and remove.

Signed-off-by: Jiawen Wu <jiawenwu at trustnetic.com>
---
 drivers/net/txgbe/base/meson.build    |  18 +++++
 drivers/net/txgbe/base/txgbe.h        |  10 +++
 drivers/net/txgbe/base/txgbe_devids.h |  40 ++++++++++
 drivers/net/txgbe/base/txgbe_type.h   |  14 ++++
 drivers/net/txgbe/meson.build         |   4 +
 drivers/net/txgbe/txgbe_ethdev.c      | 101 ++++++++++++++++++++++++++
 drivers/net/txgbe/txgbe_ethdev.h      |  13 ++++
 drivers/net/txgbe/txgbe_logs.h        |  54 ++++++++++++++
 8 files changed, 254 insertions(+)
 create mode 100644 drivers/net/txgbe/base/meson.build
 create mode 100644 drivers/net/txgbe/base/txgbe.h
 create mode 100644 drivers/net/txgbe/base/txgbe_devids.h
 create mode 100644 drivers/net/txgbe/base/txgbe_type.h
 create mode 100644 drivers/net/txgbe/txgbe_logs.h

diff --git a/drivers/net/txgbe/base/meson.build b/drivers/net/txgbe/base/meson.build
new file mode 100644
index 000000000..a0f65b819
--- /dev/null
+++ b/drivers/net/txgbe/base/meson.build
@@ -0,0 +1,18 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2015-2020
+
+sources = []
+
+error_cflags = []
+
+c_args = cflags
+foreach flag: error_cflags
+	if cc.has_argument(flag)
+		c_args += flag
+	endif
+endforeach
+
+base_lib = static_library('txgbe_base', sources,
+	dependencies: static_rte_eal,
+	c_args: c_args)
+base_objs = base_lib.extract_all_objects()
diff --git a/drivers/net/txgbe/base/txgbe.h b/drivers/net/txgbe/base/txgbe.h
new file mode 100644
index 000000000..9aee9738a
--- /dev/null
+++ b/drivers/net/txgbe/base/txgbe.h
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2015-2020
+ */
+
+#ifndef _TXGBE_H_
+#define _TXGBE_H_
+
+#include "txgbe_type.h"
+
+#endif /* _TXGBE_H_ */
diff --git a/drivers/net/txgbe/base/txgbe_devids.h b/drivers/net/txgbe/base/txgbe_devids.h
new file mode 100644
index 000000000..744f2f3b5
--- /dev/null
+++ b/drivers/net/txgbe/base/txgbe_devids.h
@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2015-2020
+ */
+
+#ifndef _TXGBE_DEVIDS_H_
+#define _TXGBE_DEVIDS_H_
+
+/*
+ * Vendor ID
+ */
+#ifndef PCI_VENDOR_ID_WANGXUN
+#define PCI_VENDOR_ID_WANGXUN                   0x8088
+#endif
+
+/*
+ * Device IDs
+ */
+#define TXGBE_DEV_ID_RAPTOR_VF                  0x1000
+#define TXGBE_DEV_ID_RAPTOR_SFP                 0x1001 /* fiber */
+#define TXGBE_DEV_ID_RAPTOR_KR_KX_KX4           0x1002 /* backplane */
+#define TXGBE_DEV_ID_RAPTOR_XAUI                0x1003 /* copper */
+#define TXGBE_DEV_ID_RAPTOR_SGMII               0x1004 /* copper */
+#define TXGBE_DEV_ID_RAPTOR_QSFP                0x1011 /* fiber */
+#define TXGBE_DEV_ID_RAPTOR_VF_HV               0x2000
+#define TXGBE_DEV_ID_RAPTOR_T3_LOM              0x2001
+
+#define TXGBE_DEV_ID_WX1820_SFP                 0x2001
+
+/*
+ * Subdevice IDs
+ */
+#define TXGBE_SUBDEV_ID_RAPTOR			0x0000
+#define TXGBE_SUBDEV_ID_MPW			0x0001
+
+#define TXGBE_ETHERTYPE_FLOW_CTRL   0x8808
+#define TXGBE_ETHERTYPE_IEEE_VLAN   0x8100  /* 802.1q protocol */
+
+#define TXGBE_VXLAN_PORT 4789
+
+#endif /* _TXGBE_DEVIDS_H_ */
diff --git a/drivers/net/txgbe/base/txgbe_type.h b/drivers/net/txgbe/base/txgbe_type.h
new file mode 100644
index 000000000..8ed324a1b
--- /dev/null
+++ b/drivers/net/txgbe/base/txgbe_type.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2015-2020
+ */
+
+#ifndef _TXGBE_TYPE_H_
+#define _TXGBE_TYPE_H_
+
+#include "txgbe_devids.h"
+
+struct txgbe_hw {
+	void *back;
+};
+
+#endif /* _TXGBE_TYPE_H_ */
diff --git a/drivers/net/txgbe/meson.build b/drivers/net/txgbe/meson.build
index d5b19af31..295f39296 100644
--- a/drivers/net/txgbe/meson.build
+++ b/drivers/net/txgbe/meson.build
@@ -1,7 +1,11 @@
 # SPDX-License-Identifier: BSD-3-Clause
 # Copyright(c) 2015-2020
 
+subdir('base')
+objs = [base_objs]
+
 sources = files(
 	'txgbe_ethdev.c',
 )
 
+includes += include_directories('base')
diff --git a/drivers/net/txgbe/txgbe_ethdev.c b/drivers/net/txgbe/txgbe_ethdev.c
index cb758762d..e2fd10cc2 100644
--- a/drivers/net/txgbe/txgbe_ethdev.c
+++ b/drivers/net/txgbe/txgbe_ethdev.c
@@ -2,3 +2,104 @@
  * Copyright(c) 2015-2020
  */
 
+#include <rte_common.h>
+#include <rte_ethdev_pci.h>
+#include <rte_pci.h>
+
+#include "txgbe_logs.h"
+#include "base/txgbe.h"
+#include "txgbe_ethdev.h"
+
+/*
+ * The set of PCI devices this driver supports
+ */
+static const struct rte_pci_id pci_id_txgbe_map[] = {
+	{ RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, TXGBE_DEV_ID_RAPTOR_SFP) },
+	{ RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, TXGBE_DEV_ID_WX1820_SFP) },
+	{ .vendor_id = 0, /* sentinel */ },
+};
+
+static int
+eth_txgbe_dev_init(struct rte_eth_dev *eth_dev, void *init_params __rte_unused)
+{
+	RTE_SET_USED(eth_dev);
+
+	return 0;
+}
+
+static int
+eth_txgbe_dev_uninit(struct rte_eth_dev *eth_dev)
+{
+	RTE_SET_USED(eth_dev);
+
+	return 0;
+}
+
+static int
+eth_txgbe_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
+		struct rte_pci_device *pci_dev)
+{
+	struct rte_eth_dev *pf_ethdev;
+	struct rte_eth_devargs eth_da;
+	int retval;
+
+	if (pci_dev->device.devargs) {
+		retval = rte_eth_devargs_parse(pci_dev->device.devargs->args,
+				&eth_da);
+		if (retval)
+			return retval;
+	} else {
+		memset(&eth_da, 0, sizeof(eth_da));
+	}
+
+	retval = rte_eth_dev_create(&pci_dev->device, pci_dev->device.name,
+			sizeof(struct txgbe_adapter),
+			eth_dev_pci_specific_init, pci_dev,
+			eth_txgbe_dev_init, NULL);
+
+	if (retval || eth_da.nb_representor_ports < 1)
+		return retval;
+
+	pf_ethdev = rte_eth_dev_allocated(pci_dev->device.name);
+	if (pf_ethdev == NULL)
+		return -ENODEV;
+
+	return 0;
+}
+
+static int eth_txgbe_pci_remove(struct rte_pci_device *pci_dev)
+{
+	struct rte_eth_dev *ethdev;
+
+	ethdev = rte_eth_dev_allocated(pci_dev->device.name);
+	if (!ethdev)
+		return -ENODEV;
+
+	return rte_eth_dev_destroy(ethdev, eth_txgbe_dev_uninit);
+}
+
+static struct rte_pci_driver rte_txgbe_pmd = {
+	.id_table = pci_id_txgbe_map,
+	.drv_flags = RTE_PCI_DRV_NEED_MAPPING |
+		     RTE_PCI_DRV_INTR_LSC,
+	.probe = eth_txgbe_pci_probe,
+	.remove = eth_txgbe_pci_remove,
+};
+
+RTE_PMD_REGISTER_PCI(net_txgbe, rte_txgbe_pmd);
+RTE_PMD_REGISTER_PCI_TABLE(net_txgbe, pci_id_txgbe_map);
+RTE_PMD_REGISTER_KMOD_DEP(net_txgbe, "* igb_uio | uio_pci_generic | vfio-pci");
+
+RTE_LOG_REGISTER(txgbe_logtype_init, pmd.net.txgbe.init, NOTICE);
+RTE_LOG_REGISTER(txgbe_logtype_driver, pmd.net.txgbe.driver, NOTICE);
+
+#ifdef RTE_LIBRTE_TXGBE_DEBUG_RX
+	RTE_LOG_REGISTER(txgbe_logtype_rx, pmd.net.txgbe.rx, DEBUG);
+#endif
+#ifdef RTE_LIBRTE_TXGBE_DEBUG_TX
+	RTE_LOG_REGISTER(txgbe_logtype_tx, pmd.net.txgbe.tx, DEBUG);
+#endif
+
+#ifdef RTE_LIBRTE_TXGBE_DEBUG_TX_FREE
+	RTE_LOG_REGISTER(txgbe_logtype_tx_free, pmd.net.txgbe.tx_free, DEBUG);
+#endif
diff --git a/drivers/net/txgbe/txgbe_ethdev.h b/drivers/net/txgbe/txgbe_ethdev.h
index cb758762d..8581da457 100644
--- a/drivers/net/txgbe/txgbe_ethdev.h
+++ b/drivers/net/txgbe/txgbe_ethdev.h
@@ -2,3 +2,16 @@
  * Copyright(c) 2015-2020
  */
 
+#ifndef _TXGBE_ETHDEV_H_
+#define _TXGBE_ETHDEV_H_
+
+#include "base/txgbe.h"
+
+/*
+ * Structure to store private data for each driver instance (for each port).
+ */
+struct txgbe_adapter {
+	struct txgbe_hw             hw;
+};
+
+#endif /* _TXGBE_ETHDEV_H_ */
diff --git a/drivers/net/txgbe/txgbe_logs.h b/drivers/net/txgbe/txgbe_logs.h
new file mode 100644
index 000000000..f44ca06ee
--- /dev/null
+++ b/drivers/net/txgbe/txgbe_logs.h
@@ -0,0 +1,54 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2015-2020
+ */
+
+#ifndef _TXGBE_LOGS_H_
+#define _TXGBE_LOGS_H_
+
+/*
+ * PMD_USER_LOG: for user
+ */
+extern int txgbe_logtype_init;
+#define PMD_INIT_LOG(level, fmt, args...) \
+	rte_log(RTE_LOG_ ## level, txgbe_logtype_init, \
+		"%s(): " fmt "\n", __func__, ##args)
+
+extern int txgbe_logtype_driver;
+#define PMD_DRV_LOG(level, fmt, args...) \
+	rte_log(RTE_LOG_ ## level, txgbe_logtype_driver, \
+		"%s(): " fmt "\n", __func__, ##args)
+
+#ifdef RTE_LIBRTE_TXGBE_DEBUG_RX
+extern int txgbe_logtype_rx;
+#define PMD_RX_LOG(level, fmt, args...) \
+	rte_log(RTE_LOG_ ## level, txgbe_logtype_rx,	\
+		"%s(): " fmt "\n", __func__, ##args)
+#else
+#define PMD_RX_LOG(level, fmt, args...) do { } while (0)
+#endif
+
+#ifdef RTE_LIBRTE_TXGBE_DEBUG_TX
+extern int txgbe_logtype_tx;
+#define PMD_TX_LOG(level, fmt, args...) \
+	rte_log(RTE_LOG_ ## level, txgbe_logtype_tx,	\
+		"%s(): " fmt "\n", __func__, ##args)
+#else
+#define PMD_TX_LOG(level, fmt, args...) do { } while (0)
+#endif
+
+#ifdef RTE_LIBRTE_TXGBE_DEBUG_TX_FREE
+extern int txgbe_logtype_tx_free;
+#define PMD_TX_FREE_LOG(level, fmt, args...) \
+	rte_log(RTE_LOG_ ## level, txgbe_logtype_tx_free,	\
+		"%s(): " fmt "\n", __func__, ##args)
+#else
+#define PMD_TX_FREE_LOG(level, fmt, args...) do { } while (0)
+#endif
+
+#define TLOG_DEBUG(fmt, args...)  PMD_DRV_LOG(DEBUG, fmt, ##args)
+
+#define DEBUGOUT(fmt, args...)    TLOG_DEBUG(fmt, ##args)
+#define PMD_INIT_FUNC_TRACE()     TLOG_DEBUG(" >>")
+#define DEBUGFUNC(fmt)            TLOG_DEBUG(fmt)
+
+#endif /* _TXGBE_LOGS_H_ */
-- 
2.18.4





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