[dpdk-dev] [PATCH 15/35] net/mlx5/windws: add VLAN stubs

Tal Shnaiderman talshn at nvidia.com
Thu Dec 17 18:30:17 CET 2020


From: Ophir Munk <ophirmu at nvidia.com>

This commit adds stubs to VLAN VM operations.  It is the Windows
equivalent implementation of [1].  The Linux implementation was based on
Netlink APIs which are not supported in Windows.

[1]
commit 7af10d29a4a0 ("net/mlx5/linux: refactor VLAN")

Signed-off-by: Ophir Munk <ophirmu at nvidia.com>
Acked-by: Matan Azrad <matan at nvidia.com>
---
 drivers/net/mlx5/windows/meson.build    |  1 +
 drivers/net/mlx5/windows/mlx5_vlan_os.c | 83 +++++++++++++++++++++++++++++++++
 2 files changed, 84 insertions(+)
 create mode 100644 drivers/net/mlx5/windows/mlx5_vlan_os.c

diff --git a/drivers/net/mlx5/windows/meson.build b/drivers/net/mlx5/windows/meson.build
index b5d9f0ee04..87e34d3cda 100644
--- a/drivers/net/mlx5/windows/meson.build
+++ b/drivers/net/mlx5/windows/meson.build
@@ -6,5 +6,6 @@ sources += files(
 	'mlx5_os.c',
 	'mlx5_mp_os.c',
 	'mlx5_ethdev_os.c',
+	'mlx5_vlan_os.c',
 )
 
diff --git a/drivers/net/mlx5/windows/mlx5_vlan_os.c b/drivers/net/mlx5/windows/mlx5_vlan_os.c
new file mode 100644
index 0000000000..d3b11e0001
--- /dev/null
+++ b/drivers/net/mlx5/windows/mlx5_vlan_os.c
@@ -0,0 +1,83 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2020 Mellanox Technologies, Ltd
+ */
+
+#include <stddef.h>
+#include <errno.h>
+#include <stdint.h>
+#include <unistd.h>
+
+/*
+ * Not needed by this file; included to work around the lack of off_t
+ * definition for mlx5dv.h with unpatched rdma-core versions.
+ */
+#include <sys/types.h>
+
+#include <rte_ethdev_driver.h>
+#include <rte_common.h>
+
+#include <mlx5.h>
+#include <mlx5_malloc.h>
+
+/*
+ * Release VLAN network device, created for VM workaround.
+ *
+ * @param[in] dev
+ *   Ethernet device object, Netlink context provider.
+ * @param[in] vlan
+ *   Object representing the network device to release.
+ */
+void
+mlx5_vlan_vmwa_release(struct rte_eth_dev *dev,
+			    struct mlx5_vf_vlan *vlan)
+{
+	RTE_SET_USED(dev);
+	RTE_SET_USED(vlan);
+}
+
+/**
+ * Acquire VLAN interface with specified tag for VM workaround.
+ *
+ * @param[in] dev
+ *   Ethernet device object, Netlink context provider.
+ * @param[in] vlan
+ *   Object representing the network device to acquire.
+ */
+void
+mlx5_vlan_vmwa_acquire(struct rte_eth_dev *dev,
+			    struct mlx5_vf_vlan *vlan)
+{
+	RTE_SET_USED(dev);
+	RTE_SET_USED(vlan);
+}
+
+/*
+ * Create per ethernet device VLAN VM workaround context
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ * @param ifindex
+ *   Interface index.
+ *
+ * @Return
+ *   Pointer to mlx5_nl_vlan_vmwa_context
+ */
+void *
+mlx5_vlan_vmwa_init(struct rte_eth_dev *dev, uint32_t ifindex)
+{
+	RTE_SET_USED(dev);
+	RTE_SET_USED(ifindex);
+	return NULL;
+}
+
+/*
+ * Destroy per ethernet device VLAN VM workaround context
+ *
+ * @param dev
+ *   Pointer to VM context
+ */
+void
+mlx5_vlan_vmwa_exit(void *vmctx)
+{
+	RTE_SET_USED(vmctx);
+}
-- 
2.16.1.windows.4



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