diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst
index 5176aa845c..87f2763128 100644
--- a/doc/guides/nics/mlx5.rst
+++ b/doc/guides/nics/mlx5.rst
@@ -500,6 +500,13 @@ Run-time configuration
 
     representor=[0-2]
 
+- ``max_dump_files_num`` parameter [int]
+
+  The maximum number of files per PMD entity that may be created for debug information.
+  The files will be created in /var/log directory or in current directory.
+
+  set to 128 by default.
+
 Firmware configuration
 ~~~~~~~~~~~~~~~~~~~~~~
 
diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index 3ef33c90cf..3a269bc259 100644
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -116,6 +116,9 @@
 /* Select port representors to instantiate. */
 #define MLX5_REPRESENTOR "representor"
 
+/* Device parameter to configure the maximum number of dump files per queue. */
+#define MLX5_MAX_DUMP_FILES_NUM "max_dump_files_num"
+
 #ifndef HAVE_IBV_MLX5_MOD_MPW
 #define MLX5DV_CONTEXT_FLAGS_MPW_ALLOWED (1 << 2)
 #define MLX5DV_CONTEXT_FLAGS_ENHANCED_MPW (1 << 3)
@@ -927,6 +930,8 @@ mlx5_args_check(const char *key, const char *val, void *opaque)
 		config->dv_flow_en = !!tmp;
 	} else if (strcmp(MLX5_MR_EXT_MEMSEG_EN, key) == 0) {
 		config->mr_ext_memseg_en = !!tmp;
+	} else if (strcmp(MLX5_MAX_DUMP_FILES_NUM, key) == 0) {
+		config->max_dump_files_num = tmp;
 	} else {
 		DRV_LOG(WARNING, "%s: unknown parameter", key);
 		rte_errno = EINVAL;
@@ -971,6 +976,7 @@ mlx5_args(struct mlx5_dev_config *config, struct rte_devargs *devargs)
 		MLX5_DV_FLOW_EN,
 		MLX5_MR_EXT_MEMSEG_EN,
 		MLX5_REPRESENTOR,
+		MLX5_MAX_DUMP_FILES_NUM,
 		NULL,
 	};
 	struct rte_kvargs *kvlist;
@@ -1440,6 +1446,8 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
 		DRV_LOG(WARNING, "Multi-Packet RQ isn't supported");
 		config.mprq.enabled = 0;
 	}
+	if (config.max_dump_files_num == 0)
+		config.max_dump_files_num = 128;
 	eth_dev = rte_eth_dev_allocate(name);
 	if (eth_dev == NULL) {
 		DRV_LOG(ERR, "can not allocate rte ethdev");
diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h
index 01cfd655b1..7f5cb8f68d 100644
--- a/drivers/net/mlx5/mlx5.h
+++ b/drivers/net/mlx5/mlx5.h
@@ -204,6 +204,7 @@ struct mlx5_dev_config {
 	unsigned int flow_prio; /* Number of flow priorities. */
 	unsigned int tso_max_payload_sz; /* Maximum TCP payload for TSO. */
 	unsigned int ind_table_max_size; /* Maximum indirection table size. */
+	unsigned int max_dump_files_num; /* Maximum dump files per queue. */
 	int txq_inline; /* Maximum packet size for inlining. */
 	int txqs_inline; /* Queue number threshold for inlining. */
 	int txqs_vec; /* Queue number threshold for vectorized Tx. */
diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c
index 7174ffc91c..6dca1e7783 100644
--- a/drivers/net/mlx5/mlx5_rxtx.c
+++ b/drivers/net/mlx5/mlx5_rxtx.c
@@ -524,6 +524,50 @@ mlx5_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
 	return rx_queue_count(rxq);
 }
 
+#define MLX5_SYSTEM_LOG_DIR "/var/log"
+/**
+ * Dump debug information to log file.
+ *
+ * @param fname
+ *   The file name.
+ * @param hex_title
+ *   If not NULL this string is printed as a header to the output
+ *   and the output will be in hexadecimal view.
+ * @param buf
+ *   This is the buffer address to print out.
+ * @param len
+ *   The number of bytes to dump out.
+ */
+void
+mlx5_dump_debug_information(const char *fname, const char *hex_title,
+			    const void *buf, unsigned int hex_len)
+{
+	FILE *fd;
+
+	MKSTR(path, "%s/%s", MLX5_SYSTEM_LOG_DIR, fname);
+	fd = fopen(path, "a+");
+	if (!fd) {
+		DRV_LOG(WARNING, "cannot open %s for debug dump\n",
+			path);
+		MKSTR(path2, "./%s", fname);
+		fd = fopen(path2, "a+");
+		if (!fd) {
+			DRV_LOG(ERR, "cannot open %s for debug dump\n",
+				path2);
+			return;
+		}
+		DRV_LOG(INFO, "New debug dump in file %s\n", path2);
+	} else {
+		DRV_LOG(INFO, "New debug dump in file %s\n", path);
+	}
+	if (hex_title)
+		rte_hexdump(fd, hex_title, buf, hex_len);
+	else
+		fprintf(fd, "%s", (const char *)buf);
+	fprintf(fd, "\n\n\n");
+	fclose(fd);
+}
+
 /**
  * DPDK callback for TX.
  *
diff --git a/drivers/net/mlx5/mlx5_rxtx.h b/drivers/net/mlx5/mlx5_rxtx.h
index e5f4d4a9ae..171eb2cc7a 100644
--- a/drivers/net/mlx5/mlx5_rxtx.h
+++ b/drivers/net/mlx5/mlx5_rxtx.h
@@ -337,6 +337,8 @@ uint16_t removed_rx_burst(void *dpdk_rxq, struct rte_mbuf **pkts,
 int mlx5_rx_descriptor_status(void *rx_queue, uint16_t offset);
 int mlx5_tx_descriptor_status(void *tx_queue, uint16_t offset);
 uint32_t mlx5_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id);
+void mlx5_dump_debug_information(const char *path, const char *title,
+				 const void *buf, unsigned int len);
 
 /* Vectorized version of mlx5_rxtx.c */
 int mlx5_check_raw_vec_tx_support(struct rte_eth_dev *dev);