1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/net/wireless/aic8800/aic_load_fw/aicwf_txq_prealloc.c b/drivers/net/wireless/aic8800/aic_load_fw/aicwf_txq_prealloc.c
new file mode 100755
index 000000000000..efb68fb3b9ff
--- /dev/null
+++ b/drivers/net/wireless/aic8800/aic_load_fw/aicwf_txq_prealloc.c
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#include <linux/slab.h>
+#include "aicwf_debug.h"
+
+struct prealloc_txq{
+    int prealloced;
+    void *txq;
+    size_t size;
+};
+
+struct prealloc_txq prealloc_txq;
+#define MAX_TXQ_SIZE 60 * 1024
+
+void *aicwf_prealloc_txq_alloc(size_t size)
+{
+    AICWFDBG(LOGINFO, "aicwf_prealloc_txq_alloc size %zu \r\n", size);
+    BUG_ON(size > MAX_TXQ_SIZE);
+
+    //check prealloc_txq.size
+    if((int)prealloc_txq.size != (int)size)
+    {
+        AICWFDBG(LOGINFO, "%s size is diff will to be kzalloc \r\n", __func__);
+
+        if(prealloc_txq.txq != NULL)
+        {
+            AICWFDBG(LOGINFO, "%s txq to kfree \r\n", __func__);
+            kfree(prealloc_txq.txq);
+            prealloc_txq.txq = NULL;
+        }
+        
+        prealloc_txq.size = size;
+        prealloc_txq.prealloced = 0;
+    }
+
+    //check prealloc or not
+    if(!prealloc_txq.prealloced)
+    {
+        prealloc_txq.txq = kzalloc(size, GFP_KERNEL);
+        if(!prealloc_txq.txq){
+            AICWFDBG(LOGERROR, "%s txq kzalloc fail \r\n", __func__);
+        }else{
+            AICWFDBG(LOGINFO, "%s txq kzalloc successful \r\n", __func__);
+            prealloc_txq.prealloced = 1;
+        }
+    }else{
+         AICWFDBG(LOGINFO, "%s txq not need to kzalloc \r\n", __func__);
+    }
+
+    return prealloc_txq.txq;
+}
+void aicwf_prealloc_txq_free(void)
+{
+    if(prealloc_txq.txq != NULL)
+    {
+        AICWFDBG(LOGINFO, "%s txq to kfree \r\n", __func__);
+        kfree(prealloc_txq.txq);
+        prealloc_txq.txq = NULL;
+    }
+}
+
+EXPORT_SYMBOL(aicwf_prealloc_txq_alloc);
+