1 files changed, 95 insertions, 0 deletions
diff --git a/drivers/staging/rtl8188eu/hal/rtl8188eu_recv.c b/drivers/staging/rtl8188eu/hal/rtl8188eu_recv.c
new file mode 100644
index 0000000..c0d51ba
--- /dev/null
+++ b/drivers/staging/rtl8188eu/hal/rtl8188eu_recv.c
@@ -0,0 +1,95 @@
+// SPDX-License-Identifier: GPL-2.0
+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
+ *
+ ******************************************************************************/
+#define _RTL8188EU_RECV_C_
+#include <linux/kmemleak.h>
+#include <osdep_service.h>
+#include <drv_types.h>
+#include <recv_osdep.h>
+#include <mlme_osdep.h>
+
+#include <usb_ops_linux.h>
+#include <wifi.h>
+
+#include <rtl8188e_hal.h>
+
+int	rtw_hal_init_recv_priv(struct adapter *padapter)
+{
+	struct recv_priv	*precvpriv = &padapter->recvpriv;
+	int	i, res = _SUCCESS;
+	struct recv_buf *precvbuf;
+
+	tasklet_init(&precvpriv->recv_tasklet,
+		     (void(*)(unsigned long))rtl8188eu_recv_tasklet,
+		     (unsigned long)padapter);
+
+	/* init recv_buf */
+	_rtw_init_queue(&precvpriv->free_recv_buf_queue);
+
+	precvpriv->precv_buf =
+		kcalloc(NR_RECVBUFF, sizeof(struct recv_buf), GFP_KERNEL);
+	if (!precvpriv->precv_buf) {
+		res = _FAIL;
+		RT_TRACE(_module_rtl871x_recv_c_, _drv_err_,
+				("alloc recv_buf fail!\n"));
+		goto exit;
+	}
+	precvbuf = precvpriv->precv_buf;
+
+	for (i = 0; i < NR_RECVBUFF; i++) {
+		res = rtw_os_recvbuf_resource_alloc(padapter, precvbuf);
+		if (res == _FAIL)
+			break;
+		precvbuf->adapter = padapter;
+		precvbuf++;
+	}
+	skb_queue_head_init(&precvpriv->rx_skb_queue);
+	{
+		int i;
+		struct sk_buff *pskb = NULL;
+
+		skb_queue_head_init(&precvpriv->free_recv_skb_queue);
+
+		for (i = 0; i < NR_PREALLOC_RECV_SKB; i++) {
+			pskb = __netdev_alloc_skb(padapter->pnetdev,
+					MAX_RECVBUF_SZ, GFP_KERNEL);
+			if (pskb) {
+				kmemleak_not_leak(pskb);
+				skb_queue_tail(&precvpriv->free_recv_skb_queue,
+						pskb);
+			}
+			pskb = NULL;
+		}
+	}
+exit:
+	return res;
+}
+
+void rtw_hal_free_recv_priv(struct adapter *padapter)
+{
+	int	i;
+	struct recv_buf	*precvbuf;
+	struct recv_priv	*precvpriv = &padapter->recvpriv;
+
+	precvbuf = precvpriv->precv_buf;
+
+	for (i = 0; i < NR_RECVBUFF; i++) {
+		usb_free_urb(precvbuf->purb);
+		precvbuf++;
+	}
+
+	kfree(precvpriv->precv_buf);
+
+	if (skb_queue_len(&precvpriv->rx_skb_queue))
+		DBG_88E(KERN_WARNING "rx_skb_queue not empty\n");
+	skb_queue_purge(&precvpriv->rx_skb_queue);
+
+	if (skb_queue_len(&precvpriv->free_recv_skb_queue))
+		DBG_88E(KERN_WARNING "free_recv_skb_queue not empty, %d\n",
+				skb_queue_len(&precvpriv->free_recv_skb_queue));
+
+	skb_queue_purge(&precvpriv->free_recv_skb_queue);
+}