From e5fd91f1ef340da553f7a79da9540c3db711c937 Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Tue, 8 Sep 2015 01:01:14 -0300
Subject: Linux-libre 4.2-gnu

---
 drivers/staging/wilc1000/wilc_exported_buf.c | 76 ++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 drivers/staging/wilc1000/wilc_exported_buf.c

(limited to 'drivers/staging/wilc1000/wilc_exported_buf.c')

diff --git a/drivers/staging/wilc1000/wilc_exported_buf.c b/drivers/staging/wilc1000/wilc_exported_buf.c
new file mode 100644
index 000000000..529457816
--- /dev/null
+++ b/drivers/staging/wilc1000/wilc_exported_buf.c
@@ -0,0 +1,76 @@
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+
+#define LINUX_RX_SIZE	(96 * 1024)
+#define LINUX_TX_SIZE	(64 * 1024)
+#define WILC1000_FW_SIZE (4 * 1024)
+
+#define DECLARE_WILC_BUFFER(name)	\
+	void *exported_ ## name = NULL;
+
+#define MALLOC_WILC_BUFFER(name, size)	\
+	exported_ ## name = kmalloc(size, GFP_KERNEL);	  \
+	if (!exported_ ## name) {   \
+		printk("fail to alloc: %s memory\n", exported_ ## name);  \
+		return -ENOBUFS;	\
+	}
+
+#define FREE_WILC_BUFFER(name)	\
+	kfree(exported_ ## name);
+
+/*
+ * Add necessary buffer pointers
+ */
+DECLARE_WILC_BUFFER(g_tx_buf)
+DECLARE_WILC_BUFFER(g_rx_buf)
+DECLARE_WILC_BUFFER(g_fw_buf)
+
+void *get_tx_buffer(void)
+{
+	return exported_g_tx_buf;
+}
+EXPORT_SYMBOL(get_tx_buffer);
+
+void *get_rx_buffer(void)
+{
+	return exported_g_rx_buf;
+}
+EXPORT_SYMBOL(get_rx_buffer);
+
+void *get_fw_buffer(void)
+{
+	return exported_g_fw_buf;
+}
+EXPORT_SYMBOL(get_fw_buffer);
+
+static int __init wilc_module_init(void)
+{
+	printk("wilc_module_init\n");
+	/*
+	 * alloc necessary memory
+	 */
+	MALLOC_WILC_BUFFER(g_tx_buf, LINUX_TX_SIZE)
+	MALLOC_WILC_BUFFER(g_rx_buf, LINUX_RX_SIZE)
+	MALLOC_WILC_BUFFER(g_fw_buf, WILC1000_FW_SIZE)
+
+	return 0;
+}
+
+static void __exit wilc_module_deinit(void)
+{
+	printk("wilc_module_deinit\n");
+	FREE_WILC_BUFFER(g_tx_buf)
+	FREE_WILC_BUFFER(g_rx_buf)
+	FREE_WILC_BUFFER(g_fw_buf)
+
+	return;
+}
+
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_AUTHOR("Tony Cho");
+MODULE_DESCRIPTION("WILC1xxx Memory Manager");
+pure_initcall(wilc_module_init);
+module_exit(wilc_module_deinit);
\ No newline at end of file
-- 
cgit v1.2.3-54-g00ecf