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-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/lib/crypto.c1
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/lib/eq.h2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/lib/hv.c64
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/lib/hv.h22
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/lib/hv_vhca.c371
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/lib/hv_vhca.h104
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/lib/vxlan.c9
7 files changed, 568 insertions, 5 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/crypto.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/crypto.c
index ea1d4d26ece0..3fc575d1c3ec 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/crypto.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/crypto.c
@@ -2,6 +2,7 @@
// Copyright (c) 2019 Mellanox Technologies.
#include "mlx5_core.h"
+#include "lib/mlx5.h"
int mlx5_create_encryption_key(struct mlx5_core_dev *mdev,
void *key, u32 sz_bytes,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/eq.h b/drivers/net/ethernet/mellanox/mlx5/core/lib/eq.h
index 3dfab91ae5f2..4be4d2d36218 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/eq.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/eq.h
@@ -87,7 +87,7 @@ void mlx5_eq_synchronize_cmd_irq(struct mlx5_core_dev *dev);
int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
-int mlx5_eq_debugfs_init(struct mlx5_core_dev *dev);
+void mlx5_eq_debugfs_init(struct mlx5_core_dev *dev);
void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev *dev);
/* This function should only be called after mlx5_cmd_force_teardown_hca */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/hv.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/hv.c
new file mode 100644
index 000000000000..583dc7e2aca8
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/hv.c
@@ -0,0 +1,64 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+// Copyright (c) 2018 Mellanox Technologies
+
+#include <linux/hyperv.h>
+#include "mlx5_core.h"
+#include "lib/hv.h"
+
+static int mlx5_hv_config_common(struct mlx5_core_dev *dev, void *buf, int len,
+ int offset, bool read)
+{
+ int rc = -EOPNOTSUPP;
+ int bytes_returned;
+ int block_id;
+
+ if (offset % HV_CONFIG_BLOCK_SIZE_MAX || len != HV_CONFIG_BLOCK_SIZE_MAX)
+ return -EINVAL;
+
+ block_id = offset / HV_CONFIG_BLOCK_SIZE_MAX;
+
+ rc = read ?
+ hyperv_read_cfg_blk(dev->pdev, buf,
+ HV_CONFIG_BLOCK_SIZE_MAX, block_id,
+ &bytes_returned) :
+ hyperv_write_cfg_blk(dev->pdev, buf,
+ HV_CONFIG_BLOCK_SIZE_MAX, block_id);
+
+ /* Make sure len bytes were read successfully */
+ if (read && !rc && len != bytes_returned)
+ rc = -EIO;
+
+ if (rc) {
+ mlx5_core_err(dev, "Failed to %s hv config, err = %d, len = %d, offset = %d\n",
+ read ? "read" : "write", rc, len,
+ offset);
+ return rc;
+ }
+
+ return 0;
+}
+
+int mlx5_hv_read_config(struct mlx5_core_dev *dev, void *buf, int len,
+ int offset)
+{
+ return mlx5_hv_config_common(dev, buf, len, offset, true);
+}
+
+int mlx5_hv_write_config(struct mlx5_core_dev *dev, void *buf, int len,
+ int offset)
+{
+ return mlx5_hv_config_common(dev, buf, len, offset, false);
+}
+
+int mlx5_hv_register_invalidate(struct mlx5_core_dev *dev, void *context,
+ void (*block_invalidate)(void *context,
+ u64 block_mask))
+{
+ return hyperv_reg_block_invalidate(dev->pdev, context,
+ block_invalidate);
+}
+
+void mlx5_hv_unregister_invalidate(struct mlx5_core_dev *dev)
+{
+ hyperv_reg_block_invalidate(dev->pdev, NULL, NULL);
+}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/hv.h b/drivers/net/ethernet/mellanox/mlx5/core/lib/hv.h
new file mode 100644
index 000000000000..f9a45573f459
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/hv.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
+/* Copyright (c) 2019 Mellanox Technologies. */
+
+#ifndef __LIB_HV_H__
+#define __LIB_HV_H__
+
+#if IS_ENABLED(CONFIG_PCI_HYPERV_INTERFACE)
+
+#include <linux/hyperv.h>
+#include <linux/mlx5/driver.h>
+
+int mlx5_hv_read_config(struct mlx5_core_dev *dev, void *buf, int len,
+ int offset);
+int mlx5_hv_write_config(struct mlx5_core_dev *dev, void *buf, int len,
+ int offset);
+int mlx5_hv_register_invalidate(struct mlx5_core_dev *dev, void *context,
+ void (*block_invalidate)(void *context,
+ u64 block_mask));
+void mlx5_hv_unregister_invalidate(struct mlx5_core_dev *dev);
+#endif
+
+#endif /* __LIB_HV_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/hv_vhca.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/hv_vhca.c
new file mode 100644
index 000000000000..4047629a876b
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/hv_vhca.c
@@ -0,0 +1,371 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+// Copyright (c) 2018 Mellanox Technologies
+
+#include <linux/hyperv.h>
+#include "mlx5_core.h"
+#include "lib/hv.h"
+#include "lib/hv_vhca.h"
+
+struct mlx5_hv_vhca {
+ struct mlx5_core_dev *dev;
+ struct workqueue_struct *work_queue;
+ struct mlx5_hv_vhca_agent *agents[MLX5_HV_VHCA_AGENT_MAX];
+ struct mutex agents_lock; /* Protect agents array */
+};
+
+struct mlx5_hv_vhca_work {
+ struct work_struct invalidate_work;
+ struct mlx5_hv_vhca *hv_vhca;
+ u64 block_mask;
+};
+
+struct mlx5_hv_vhca_data_block {
+ u16 sequence;
+ u16 offset;
+ u8 reserved[4];
+ u64 data[15];
+};
+
+struct mlx5_hv_vhca_agent {
+ enum mlx5_hv_vhca_agent_type type;
+ struct mlx5_hv_vhca *hv_vhca;
+ void *priv;
+ u16 seq;
+ void (*control)(struct mlx5_hv_vhca_agent *agent,
+ struct mlx5_hv_vhca_control_block *block);
+ void (*invalidate)(struct mlx5_hv_vhca_agent *agent,
+ u64 block_mask);
+ void (*cleanup)(struct mlx5_hv_vhca_agent *agent);
+};
+
+struct mlx5_hv_vhca *mlx5_hv_vhca_create(struct mlx5_core_dev *dev)
+{
+ struct mlx5_hv_vhca *hv_vhca = NULL;
+
+ hv_vhca = kzalloc(sizeof(*hv_vhca), GFP_KERNEL);
+ if (!hv_vhca)
+ return ERR_PTR(-ENOMEM);
+
+ hv_vhca->work_queue = create_singlethread_workqueue("mlx5_hv_vhca");
+ if (!hv_vhca->work_queue) {
+ kfree(hv_vhca);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ hv_vhca->dev = dev;
+ mutex_init(&hv_vhca->agents_lock);
+
+ return hv_vhca;
+}
+
+void mlx5_hv_vhca_destroy(struct mlx5_hv_vhca *hv_vhca)
+{
+ if (IS_ERR_OR_NULL(hv_vhca))
+ return;
+
+ destroy_workqueue(hv_vhca->work_queue);
+ kfree(hv_vhca);
+}
+
+static void mlx5_hv_vhca_invalidate_work(struct work_struct *work)
+{
+ struct mlx5_hv_vhca_work *hwork;
+ struct mlx5_hv_vhca *hv_vhca;
+ int i;
+
+ hwork = container_of(work, struct mlx5_hv_vhca_work, invalidate_work);
+ hv_vhca = hwork->hv_vhca;
+
+ mutex_lock(&hv_vhca->agents_lock);
+ for (i = 0; i < MLX5_HV_VHCA_AGENT_MAX; i++) {
+ struct mlx5_hv_vhca_agent *agent = hv_vhca->agents[i];
+
+ if (!agent || !agent->invalidate)
+ continue;
+
+ if (!(BIT(agent->type) & hwork->block_mask))
+ continue;
+
+ agent->invalidate(agent, hwork->block_mask);
+ }
+ mutex_unlock(&hv_vhca->agents_lock);
+
+ kfree(hwork);
+}
+
+void mlx5_hv_vhca_invalidate(void *context, u64 block_mask)
+{
+ struct mlx5_hv_vhca *hv_vhca = (struct mlx5_hv_vhca *)context;
+ struct mlx5_hv_vhca_work *work;
+
+ work = kzalloc(sizeof(*work), GFP_ATOMIC);
+ if (!work)
+ return;
+
+ INIT_WORK(&work->invalidate_work, mlx5_hv_vhca_invalidate_work);
+ work->hv_vhca = hv_vhca;
+ work->block_mask = block_mask;
+
+ queue_work(hv_vhca->work_queue, &work->invalidate_work);
+}
+
+#define AGENT_MASK(type) (type ? BIT(type - 1) : 0 /* control */)
+
+static void mlx5_hv_vhca_agents_control(struct mlx5_hv_vhca *hv_vhca,
+ struct mlx5_hv_vhca_control_block *block)
+{
+ int i;
+
+ for (i = 0; i < MLX5_HV_VHCA_AGENT_MAX; i++) {
+ struct mlx5_hv_vhca_agent *agent = hv_vhca->agents[i];
+
+ if (!agent || !agent->control)
+ continue;
+
+ if (!(AGENT_MASK(agent->type) & block->control))
+ continue;
+
+ agent->control(agent, block);
+ }
+}
+
+static void mlx5_hv_vhca_capabilities(struct mlx5_hv_vhca *hv_vhca,
+ u32 *capabilities)
+{
+ int i;
+
+ for (i = 0; i < MLX5_HV_VHCA_AGENT_MAX; i++) {
+ struct mlx5_hv_vhca_agent *agent = hv_vhca->agents[i];
+
+ if (agent)
+ *capabilities |= AGENT_MASK(agent->type);
+ }
+}
+
+static void
+mlx5_hv_vhca_control_agent_invalidate(struct mlx5_hv_vhca_agent *agent,
+ u64 block_mask)
+{
+ struct mlx5_hv_vhca *hv_vhca = agent->hv_vhca;
+ struct mlx5_core_dev *dev = hv_vhca->dev;
+ struct mlx5_hv_vhca_control_block *block;
+ u32 capabilities = 0;
+ int err;
+
+ block = kzalloc(sizeof(*block), GFP_KERNEL);
+ if (!block)
+ return;
+
+ err = mlx5_hv_read_config(dev, block, sizeof(*block), 0);
+ if (err)
+ goto free_block;
+
+ mlx5_hv_vhca_capabilities(hv_vhca, &capabilities);
+
+ /* In case no capabilities, send empty block in return */
+ if (!capabilities) {
+ memset(block, 0, sizeof(*block));
+ goto write;
+ }
+
+ if (block->capabilities != capabilities)
+ block->capabilities = capabilities;
+
+ if (block->control & ~capabilities)
+ goto free_block;
+
+ mlx5_hv_vhca_agents_control(hv_vhca, block);
+ block->command_ack = block->command;
+
+write:
+ mlx5_hv_write_config(dev, block, sizeof(*block), 0);
+
+free_block:
+ kfree(block);
+}
+
+static struct mlx5_hv_vhca_agent *
+mlx5_hv_vhca_control_agent_create(struct mlx5_hv_vhca *hv_vhca)
+{
+ return mlx5_hv_vhca_agent_create(hv_vhca, MLX5_HV_VHCA_AGENT_CONTROL,
+ NULL,
+ mlx5_hv_vhca_control_agent_invalidate,
+ NULL, NULL);
+}
+
+static void mlx5_hv_vhca_control_agent_destroy(struct mlx5_hv_vhca_agent *agent)
+{
+ mlx5_hv_vhca_agent_destroy(agent);
+}
+
+int mlx5_hv_vhca_init(struct mlx5_hv_vhca *hv_vhca)
+{
+ struct mlx5_hv_vhca_agent *agent;
+ int err;
+
+ if (IS_ERR_OR_NULL(hv_vhca))
+ return IS_ERR_OR_NULL(hv_vhca);
+
+ err = mlx5_hv_register_invalidate(hv_vhca->dev, hv_vhca,
+ mlx5_hv_vhca_invalidate);
+ if (err)
+ return err;
+
+ agent = mlx5_hv_vhca_control_agent_create(hv_vhca);
+ if (IS_ERR_OR_NULL(agent)) {
+ mlx5_hv_unregister_invalidate(hv_vhca->dev);
+ return IS_ERR_OR_NULL(agent);
+ }
+
+ hv_vhca->agents[MLX5_HV_VHCA_AGENT_CONTROL] = agent;
+
+ return 0;
+}
+
+void mlx5_hv_vhca_cleanup(struct mlx5_hv_vhca *hv_vhca)
+{
+ struct mlx5_hv_vhca_agent *agent;
+ int i;
+
+ if (IS_ERR_OR_NULL(hv_vhca))
+ return;
+
+ agent = hv_vhca->agents[MLX5_HV_VHCA_AGENT_CONTROL];
+ if (agent)
+ mlx5_hv_vhca_control_agent_destroy(agent);
+
+ mutex_lock(&hv_vhca->agents_lock);
+ for (i = 0; i < MLX5_HV_VHCA_AGENT_MAX; i++)
+ WARN_ON(hv_vhca->agents[i]);
+
+ mutex_unlock(&hv_vhca->agents_lock);
+
+ mlx5_hv_unregister_invalidate(hv_vhca->dev);
+}
+
+static void mlx5_hv_vhca_agents_update(struct mlx5_hv_vhca *hv_vhca)
+{
+ mlx5_hv_vhca_invalidate(hv_vhca, BIT(MLX5_HV_VHCA_AGENT_CONTROL));
+}
+
+struct mlx5_hv_vhca_agent *
+mlx5_hv_vhca_agent_create(struct mlx5_hv_vhca *hv_vhca,
+ enum mlx5_hv_vhca_agent_type type,
+ void (*control)(struct mlx5_hv_vhca_agent*,
+ struct mlx5_hv_vhca_control_block *block),
+ void (*invalidate)(struct mlx5_hv_vhca_agent*,
+ u64 block_mask),
+ void (*cleaup)(struct mlx5_hv_vhca_agent *agent),
+ void *priv)
+{
+ struct mlx5_hv_vhca_agent *agent;
+
+ if (IS_ERR_OR_NULL(hv_vhca))
+ return ERR_PTR(-ENOMEM);
+
+ if (type >= MLX5_HV_VHCA_AGENT_MAX)
+ return ERR_PTR(-EINVAL);
+
+ mutex_lock(&hv_vhca->agents_lock);
+ if (hv_vhca->agents[type]) {
+ mutex_unlock(&hv_vhca->agents_lock);
+ return ERR_PTR(-EINVAL);
+ }
+ mutex_unlock(&hv_vhca->agents_lock);
+
+ agent = kzalloc(sizeof(*agent), GFP_KERNEL);
+ if (!agent)
+ return ERR_PTR(-ENOMEM);
+
+ agent->type = type;
+ agent->hv_vhca = hv_vhca;
+ agent->priv = priv;
+ agent->control = control;
+ agent->invalidate = invalidate;
+ agent->cleanup = cleaup;
+
+ mutex_lock(&hv_vhca->agents_lock);
+ hv_vhca->agents[type] = agent;
+ mutex_unlock(&hv_vhca->agents_lock);
+
+ mlx5_hv_vhca_agents_update(hv_vhca);
+
+ return agent;
+}
+
+void mlx5_hv_vhca_agent_destroy(struct mlx5_hv_vhca_agent *agent)
+{
+ struct mlx5_hv_vhca *hv_vhca = agent->hv_vhca;
+
+ mutex_lock(&hv_vhca->agents_lock);
+
+ if (WARN_ON(agent != hv_vhca->agents[agent->type])) {
+ mutex_unlock(&hv_vhca->agents_lock);
+ return;
+ }
+
+ hv_vhca->agents[agent->type] = NULL;
+ mutex_unlock(&hv_vhca->agents_lock);
+
+ if (agent->cleanup)
+ agent->cleanup(agent);
+
+ kfree(agent);
+
+ mlx5_hv_vhca_agents_update(hv_vhca);
+}
+
+static int mlx5_hv_vhca_data_block_prepare(struct mlx5_hv_vhca_agent *agent,
+ struct mlx5_hv_vhca_data_block *data_block,
+ void *src, int len, int *offset)
+{
+ int bytes = min_t(int, (int)sizeof(data_block->data), len);
+
+ data_block->sequence = agent->seq;
+ data_block->offset = (*offset)++;
+ memcpy(data_block->data, src, bytes);
+
+ return bytes;
+}
+
+static void mlx5_hv_vhca_agent_seq_update(struct mlx5_hv_vhca_agent *agent)
+{
+ agent->seq++;
+}
+
+int mlx5_hv_vhca_agent_write(struct mlx5_hv_vhca_agent *agent,
+ void *buf, int len)
+{
+ int offset = agent->type * HV_CONFIG_BLOCK_SIZE_MAX;
+ int block_offset = 0;
+ int total = 0;
+ int err;
+
+ while (len) {
+ struct mlx5_hv_vhca_data_block data_block = {0};
+ int bytes;
+
+ bytes = mlx5_hv_vhca_data_block_prepare(agent, &data_block,
+ buf + total,
+ len, &block_offset);
+ if (!bytes)
+ return -ENOMEM;
+
+ err = mlx5_hv_write_config(agent->hv_vhca->dev, &data_block,
+ sizeof(data_block), offset);
+ if (err)
+ return err;
+
+ total += bytes;
+ len -= bytes;
+ }
+
+ mlx5_hv_vhca_agent_seq_update(agent);
+
+ return 0;
+}
+
+void *mlx5_hv_vhca_agent_priv(struct mlx5_hv_vhca_agent *agent)
+{
+ return agent->priv;
+}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/hv_vhca.h b/drivers/net/ethernet/mellanox/mlx5/core/lib/hv_vhca.h
new file mode 100644
index 000000000000..4bad6a5fde56
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/hv_vhca.h
@@ -0,0 +1,104 @@
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
+/* Copyright (c) 2019 Mellanox Technologies. */
+
+#ifndef __LIB_HV_VHCA_H__
+#define __LIB_HV_VHCA_H__
+
+#include "en.h"
+#include "lib/hv.h"
+
+struct mlx5_hv_vhca_agent;
+struct mlx5_hv_vhca;
+struct mlx5_hv_vhca_control_block;
+
+enum mlx5_hv_vhca_agent_type {
+ MLX5_HV_VHCA_AGENT_CONTROL = 0,
+ MLX5_HV_VHCA_AGENT_STATS = 1,
+ MLX5_HV_VHCA_AGENT_MAX = 32,
+};
+
+#if IS_ENABLED(CONFIG_PCI_HYPERV_INTERFACE)
+
+struct mlx5_hv_vhca_control_block {
+ u32 capabilities;
+ u32 control;
+ u16 command;
+ u16 command_ack;
+ u16 version;
+ u16 rings;
+ u32 reserved1[28];
+};
+
+struct mlx5_hv_vhca *mlx5_hv_vhca_create(struct mlx5_core_dev *dev);
+void mlx5_hv_vhca_destroy(struct mlx5_hv_vhca *hv_vhca);
+int mlx5_hv_vhca_init(struct mlx5_hv_vhca *hv_vhca);
+void mlx5_hv_vhca_cleanup(struct mlx5_hv_vhca *hv_vhca);
+void mlx5_hv_vhca_invalidate(void *context, u64 block_mask);
+
+struct mlx5_hv_vhca_agent *
+mlx5_hv_vhca_agent_create(struct mlx5_hv_vhca *hv_vhca,
+ enum mlx5_hv_vhca_agent_type type,
+ void (*control)(struct mlx5_hv_vhca_agent*,
+ struct mlx5_hv_vhca_control_block *block),
+ void (*invalidate)(struct mlx5_hv_vhca_agent*,
+ u64 block_mask),
+ void (*cleanup)(struct mlx5_hv_vhca_agent *agent),
+ void *context);
+
+void mlx5_hv_vhca_agent_destroy(struct mlx5_hv_vhca_agent *agent);
+int mlx5_hv_vhca_agent_write(struct mlx5_hv_vhca_agent *agent,
+ void *buf, int len);
+void *mlx5_hv_vhca_agent_priv(struct mlx5_hv_vhca_agent *agent);
+
+#else
+
+static inline struct mlx5_hv_vhca *
+mlx5_hv_vhca_create(struct mlx5_core_dev *dev)
+{
+ return NULL;
+}
+
+static inline void mlx5_hv_vhca_destroy(struct mlx5_hv_vhca *hv_vhca)
+{
+}
+
+static inline int mlx5_hv_vhca_init(struct mlx5_hv_vhca *hv_vhca)
+{
+ return 0;
+}
+
+static inline void mlx5_hv_vhca_cleanup(struct mlx5_hv_vhca *hv_vhca)
+{
+}
+
+static inline void mlx5_hv_vhca_invalidate(void *context,
+ u64 block_mask)
+{
+}
+
+static inline struct mlx5_hv_vhca_agent *
+mlx5_hv_vhca_agent_create(struct mlx5_hv_vhca *hv_vhca,
+ enum mlx5_hv_vhca_agent_type type,
+ void (*control)(struct mlx5_hv_vhca_agent*,
+ struct mlx5_hv_vhca_control_block *block),
+ void (*invalidate)(struct mlx5_hv_vhca_agent*,
+ u64 block_mask),
+ void (*cleanup)(struct mlx5_hv_vhca_agent *agent),
+ void *context)
+{
+ return NULL;
+}
+
+static inline void mlx5_hv_vhca_agent_destroy(struct mlx5_hv_vhca_agent *agent)
+{
+}
+
+static inline int
+mlx5_hv_vhca_write_agent(struct mlx5_hv_vhca_agent *agent,
+ void *buf, int len)
+{
+ return 0;
+}
+#endif
+
+#endif /* __LIB_HV_VHCA_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/vxlan.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/vxlan.c
index b9d4f4e19ff9..148b55c3db7a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/vxlan.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/vxlan.c
@@ -32,6 +32,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/refcount.h>
#include <linux/mlx5/driver.h>
#include <net/vxlan.h>
#include "mlx5_core.h"
@@ -48,7 +49,7 @@ struct mlx5_vxlan {
struct mlx5_vxlan_port {
struct hlist_node hlist;
- atomic_t refcount;
+ refcount_t refcount;
u16 udp_port;
};
@@ -113,7 +114,7 @@ int mlx5_vxlan_add_port(struct mlx5_vxlan *vxlan, u16 port)
vxlanp = mlx5_vxlan_lookup_port(vxlan, port);
if (vxlanp) {
- atomic_inc(&vxlanp->refcount);
+ refcount_inc(&vxlanp->refcount);
return 0;
}
@@ -137,7 +138,7 @@ int mlx5_vxlan_add_port(struct mlx5_vxlan *vxlan, u16 port)
}
vxlanp->udp_port = port;
- atomic_set(&vxlanp->refcount, 1);
+ refcount_set(&vxlanp->refcount, 1);
spin_lock_bh(&vxlan->lock);
hash_add(vxlan->htable, &vxlanp->hlist, port);
@@ -170,7 +171,7 @@ int mlx5_vxlan_del_port(struct mlx5_vxlan *vxlan, u16 port)
goto out_unlock;
}
- if (atomic_dec_and_test(&vxlanp->refcount)) {
+ if (refcount_dec_and_test(&vxlanp->refcount)) {
hash_del(&vxlanp->hlist);
remove = true;
}