[v3,04/18] net/r8169: implement core logic for Tx/Rx
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Commit Message
Add RX/TX function prototypes for further datapath development.
Signed-off-by: Howard Wang <howard_wang@realsil.com.cn>
---
drivers/net/r8169/meson.build | 1 +
drivers/net/r8169/r8169_ethdev.c | 17 ++++++++++
drivers/net/r8169/r8169_ethdev.h | 3 ++
drivers/net/r8169/r8169_rxtx.c | 57 ++++++++++++++++++++++++++++++++
4 files changed, 78 insertions(+)
create mode 100644 drivers/net/r8169/r8169_rxtx.c
@@ -4,5 +4,6 @@
sources = files(
'r8169_ethdev.c',
'r8169_hw.c',
+ 'r8169_rxtx.c',
)
@@ -27,6 +27,8 @@
#include "r8169_ethdev.h"
#include "r8169_base.h"
+#include "r8169_logs.h"
+#include "r8169_hw.h"
static int rtl_dev_configure(struct rte_eth_dev *dev __rte_unused);
static int rtl_dev_start(struct rte_eth_dev *dev);
@@ -68,10 +70,23 @@ rtl_dev_start(struct rte_eth_dev *dev)
{
struct rtl_adapter *adapter = RTL_DEV_PRIVATE(dev);
struct rtl_hw *hw = &adapter->hw;
+ int err;
+
+ /* Initialize transmission unit */
+ rtl_tx_init(dev);
+
+ /* This can fail when allocating mbufs for descriptor rings */
+ err = rtl_rx_init(dev);
+ if (err) {
+ PMD_INIT_LOG(ERR, "Unable to initialize RX hardware");
+ goto error;
+ }
hw->adapter_stopped = 0;
return 0;
+error:
+ return -EIO;
}
/*
@@ -117,6 +132,8 @@ rtl_dev_init(struct rte_eth_dev *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)
@@ -35,6 +35,9 @@ struct rtl_adapter {
#define RTL_DEV_PRIVATE(eth_dev) \
((struct rtl_adapter *)((eth_dev)->data->dev_private))
+int rtl_rx_init(struct rte_eth_dev *dev);
+int rtl_tx_init(struct rte_eth_dev *dev);
+
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);
new file mode 100644
@@ -0,0 +1,57 @@
+/* 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_hw.h"
+#include "r8169_logs.h"
+
+/* ---------------------------------RX---------------------------------- */
+int
+rtl_rx_init(struct rte_eth_dev *dev)
+{
+ return 0;
+}
+
+uint16_t
+rtl_recv_pkts(void *rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
+{
+ return 0;
+}
+
+/* ---------------------------------TX---------------------------------- */
+int
+rtl_tx_init(struct rte_eth_dev *dev)
+{
+ return 0;
+}
+
+uint16_t
+rtl_xmit_pkts(void *txq, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
+{
+ return 0;
+}
+