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From: Ophir Munk <ophirmu@nvidia.com>
To: dev@dpdk.org, Raslan Darawsheh <rasland@nvidia.com>
Cc: Ophir Munk <ophirmu@nvidia.com>, Matan Azrad <matan@nvidia.com>,
Tal Shnaiderman <talshn@nvidia.com>, Thomas Monjalon <thomas@monjalon.net>
Date: Tue, 27 Oct 2020 23:23:08 +0000
Message-Id: <20201027232335.31427-46-ophirmu@nvidia.com>
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References: <20201027232335.31427-1-ophirmu@nvidia.com>
Subject: [dpdk-dev] [PATCH v1 45/72] net/mlx5/windows: add stubs for MP
requests
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Windows supports the primary process with no secondary process control.
This commit adds stubs for requests to start/stop the data-path to the
secondary process and for requests to start/stop a queue of the primary
process.
Signed-off-by: Ophir Munk <ophirmu@nvidia.com>
---
drivers/net/mlx5/windows/meson.build | 1 +
drivers/net/mlx5/windows/mlx5_mp_os.c | 71 +++++++++++++++++++++++++++++++++++
2 files changed, 72 insertions(+)
create mode 100644 drivers/net/mlx5/windows/mlx5_mp_os.c
diff --git a/drivers/net/mlx5/windows/meson.build b/drivers/net/mlx5/windows/meson.build
index 2ea0792..f87dcb1 100644
--- a/drivers/net/mlx5/windows/meson.build
+++ b/drivers/net/mlx5/windows/meson.build
@@ -4,5 +4,6 @@
includes += include_directories('.')
sources += files(
'mlx5_os.c',
+ 'mlx5_mp_os.c',
)
diff --git a/drivers/net/mlx5/windows/mlx5_mp_os.c b/drivers/net/mlx5/windows/mlx5_mp_os.c
new file mode 100644
index 0000000..db793b1
--- /dev/null
+++ b/drivers/net/mlx5/windows/mlx5_mp_os.c
@@ -0,0 +1,71 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2020 Mellanox Technologies, Ltd
+ */
+
+#include <stdio.h>
+#include <time.h>
+
+#include <rte_eal.h>
+#include <rte_ethdev_driver.h>
+#include <rte_string_fns.h>
+
+#include <mlx5_common_mp.h>
+#include <mlx5_common_mr.h>
+#include <mlx5_malloc.h>
+
+#include "mlx5.h"
+#include "mlx5_rxtx.h"
+#include "mlx5_utils.h"
+
+/**
+ * Broadcast request of starting data-path to secondary processes. The request
+ * is synchronous.
+ *
+ * @param[in] dev
+ * Pointer to Ethernet structure.
+ */
+void
+mlx5_mp_os_req_start_rxtx(struct rte_eth_dev *dev)
+{
+ RTE_SET_USED(dev);
+}
+
+/**
+ * Broadcast request of stopping data-path to secondary processes. The request
+ * is synchronous.
+ *
+ * @param[in] dev
+ * Pointer to Ethernet structure.
+ */
+void
+mlx5_mp_os_req_stop_rxtx(struct rte_eth_dev *dev)
+{
+ RTE_SET_USED(dev);
+}
+
+/**
+ * Request Verbs Rx/Tx queue stop or start to the primary process.
+ *
+ * @param[in] dev
+ * Pointer to Ethernet structure.
+ * @param queue_id
+ * Queue ID to control.
+ * @param req_type
+ * request type
+ * MLX5_MP_REQ_QUEUE_RX_START - start Rx queue
+ * MLX5_MP_REQ_QUEUE_TX_START - stop Tx queue
+ * MLX5_MP_REQ_QUEUE_RX_STOP - stop Rx queue
+ * MLX5_MP_REQ_QUEUE_TX_STOP - stop Tx queue
+ * @return
+ * 0 on success, a negative errno value otherwise and
+ * rte_errno is set.
+ */
+int
+mlx5_mp_os_req_queue_control(struct rte_eth_dev *dev, uint16_t queue_id,
+ enum mlx5_mp_req_type req_type)
+{
+ RTE_SET_USED(dev);
+ RTE_SET_USED(queue_id);
+ RTE_SET_USED(req_type);
+ return -ENOTSUP;
+}
--
2.8.4