[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,
+ ð_da);
+ if (retval)
+ return retval;
+ } else {
+ memset(ð_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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