1 files changed, 0 insertions, 476 deletions

diff --git a/drivers/staging/r8188eu/hal/usb_ops_linux.c b/drivers/staging/r8188eu/hal/usb_ops_linux.c
deleted file mode 100644
index 9611b19ab55b..000000000000
--- a/drivers/staging/r8188eu/hal/usb_ops_linux.c
+++ /dev/null
@@ -1,476 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* Copyright(c) 2007 - 2011 Realtek Corporation. */
-
-#include "../include/osdep_service.h"
-#include "../include/drv_types.h"
-#include "../include/osdep_intf.h"
-#include "../include/usb_ops.h"
-#include "../include/rtl8188e_hal.h"
-
-#define VENDOR_CMD_MAX_DATA_LEN	254
-
-#define RTW_USB_CONTROL_MSG_TIMEOUT	500/* ms */
-
-static int usb_read(struct adapter *adapt, u16 value, void *data, u8 size)
-{
-	struct dvobj_priv *dvobjpriv = adapter_to_dvobj(adapt);
-	struct usb_device *udev = dvobjpriv->pusbdev;
-	int status;
-	u8 io_buf[4];
-
-	if (adapt->bSurpriseRemoved)
-		return -EPERM;
-
-	status = usb_control_msg_recv(udev, 0, REALTEK_USB_VENQT_CMD_REQ,
-				      REALTEK_USB_VENQT_READ, value,
-				      REALTEK_USB_VENQT_CMD_IDX, io_buf,
-				      size, RTW_USB_CONTROL_MSG_TIMEOUT,
-				      GFP_KERNEL);
-
-	if (status == -ESHUTDOWN ||
-	    status == -ENODEV ||
-	    status == -ENOENT) {
-		/*
-		 * device or controller has been disabled due to
-		 * some problem that could not be worked around,
-		 * device or bus doesn’t exist, endpoint does not
-		 * exist or is not enabled.
-		 */
-		adapt->bSurpriseRemoved = true;
-		return status;
-	}
-
-	if (status < 0) {
-		if (rtw_inc_and_chk_continual_urb_error(dvobjpriv))
-			adapt->bSurpriseRemoved = true;
-
-		return status;
-	}
-
-	rtw_reset_continual_urb_error(dvobjpriv);
-	memcpy(data, io_buf, size);
-
-	return status;
-}
-
-static int usb_write(struct adapter *adapt, u16 value, void *data, u8 size)
-{
-	struct dvobj_priv *dvobjpriv = adapter_to_dvobj(adapt);
-	struct usb_device *udev = dvobjpriv->pusbdev;
-	int status;
-	u8 io_buf[VENDOR_CMD_MAX_DATA_LEN];
-
-	if (adapt->bSurpriseRemoved)
-		return -EPERM;
-
-	memcpy(io_buf, data, size);
-	status = usb_control_msg_send(udev, 0, REALTEK_USB_VENQT_CMD_REQ,
-				      REALTEK_USB_VENQT_WRITE, value,
-				      REALTEK_USB_VENQT_CMD_IDX, io_buf,
-				      size, RTW_USB_CONTROL_MSG_TIMEOUT,
-				      GFP_KERNEL);
-
-	if (status == -ESHUTDOWN ||
-	    status == -ENODEV ||
-	    status == -ENOENT) {
-		/*
-		 * device or controller has been disabled due to
-		 * some problem that could not be worked around,
-		 * device or bus doesn’t exist, endpoint does not
-		 * exist or is not enabled.
-		 */
-		adapt->bSurpriseRemoved = true;
-		return status;
-	}
-
-	if (status < 0) {
-		if (rtw_inc_and_chk_continual_urb_error(dvobjpriv))
-			adapt->bSurpriseRemoved = true;
-
-		return status;
-	}
-
-	rtw_reset_continual_urb_error(dvobjpriv);
-
-	return status;
-}
-
-int __must_check rtw_read8(struct adapter *adapter, u32 addr, u8 *data)
-{
-	u16 value = addr & 0xffff;
-
-	return usb_read(adapter, value, data, 1);
-}
-
-int __must_check rtw_read16(struct adapter *adapter, u32 addr, u16 *data)
-{
-	u16 value = addr & 0xffff;
-	__le16 le_data;
-	int res;
-
-	res = usb_read(adapter, value, &le_data, 2);
-	if (res)
-		return res;
-
-	*data = le16_to_cpu(le_data);
-
-	return 0;
-}
-
-int __must_check rtw_read32(struct adapter *adapter, u32 addr, u32 *data)
-{
-	u16 value = addr & 0xffff;
-	__le32 le_data;
-	int res;
-
-	res = usb_read(adapter, value, &le_data, 4);
-	if (res)
-		return res;
-
-	*data = le32_to_cpu(le_data);
-
-	return 0;
-}
-
-int rtw_write8(struct adapter *adapter, u32 addr, u8 val)
-{
-	u16 value = addr & 0xffff;
-	int ret;
-
-	ret = usb_write(adapter, value, &val, 1);
-
-	return RTW_STATUS_CODE(ret);
-}
-
-int rtw_write16(struct adapter *adapter, u32 addr, u16 val)
-{
-	u16 value = addr & 0xffff;
-	__le16 data = cpu_to_le16(val);
-	int ret;
-
-	ret = usb_write(adapter, value, &data, 2);
-
-	return RTW_STATUS_CODE(ret);
-}
-
-int rtw_write32(struct adapter *adapter, u32 addr, u32 val)
-{
-	u16 value = addr & 0xffff;
-	__le32 data = cpu_to_le32(val);
-	int ret;
-
-	ret = usb_write(adapter, value, &data, 4);
-
-	return RTW_STATUS_CODE(ret);
-}
-
-int rtw_writeN(struct adapter *adapter, u32 addr, u32 length, u8 *data)
-{
-	u16 value = addr & 0xffff;
-
-	if (length > VENDOR_CMD_MAX_DATA_LEN)
-		return -EINVAL;
-
-	return usb_write(adapter, value, data, length);
-}
-
-static void handle_txrpt_ccx_88e(struct adapter *adapter, u8 *buf)
-{
-	struct txrpt_ccx_88e *txrpt_ccx = (struct txrpt_ccx_88e *)buf;
-
-	if (txrpt_ccx->int_ccx) {
-		if (txrpt_ccx->pkt_ok)
-			rtw_ack_tx_done(&adapter->xmitpriv,
-					RTW_SCTX_DONE_SUCCESS);
-		else
-			rtw_ack_tx_done(&adapter->xmitpriv,
-					RTW_SCTX_DONE_CCX_PKT_FAIL);
-	}
-}
-
-static int recvbuf2recvframe(struct adapter *adapt, struct sk_buff *pskb)
-{
-	u8	*pbuf;
-	u8	shift_sz = 0;
-	u16	pkt_cnt;
-	u32	pkt_offset, skb_len, alloc_sz;
-	s32	transfer_len;
-	struct recv_stat	*prxstat;
-	struct phy_stat	*pphy_status = NULL;
-	struct sk_buff *pkt_copy = NULL;
-	struct recv_frame	*precvframe = NULL;
-	struct rx_pkt_attrib	*pattrib = NULL;
-	struct hal_data_8188e *haldata = &adapt->haldata;
-	struct recv_priv	*precvpriv = &adapt->recvpriv;
-	struct __queue *pfree_recv_queue = &precvpriv->free_recv_queue;
-
-	transfer_len = (s32)pskb->len;
-	pbuf = pskb->data;
-
-	prxstat = (struct recv_stat *)pbuf;
-	pkt_cnt = (le32_to_cpu(prxstat->rxdw2) >> 16) & 0xff;
-
-	do {
-		prxstat = (struct recv_stat *)pbuf;
-
-		precvframe = rtw_alloc_recvframe(pfree_recv_queue);
-		if (!precvframe)
-			goto _exit_recvbuf2recvframe;
-
-		INIT_LIST_HEAD(&precvframe->list);
-		precvframe->precvbuf = NULL;	/* can't access the precvbuf for new arch. */
-		precvframe->len = 0;
-
-		update_recvframe_attrib_88e(precvframe, prxstat);
-
-		pattrib = &precvframe->attrib;
-
-		if ((pattrib->crc_err) || (pattrib->icv_err)) {
-			rtw_free_recvframe(precvframe, pfree_recv_queue);
-			goto _exit_recvbuf2recvframe;
-		}
-
-		if ((pattrib->physt) && (pattrib->pkt_rpt_type == NORMAL_RX))
-			pphy_status = (struct phy_stat *)(pbuf + RXDESC_OFFSET);
-
-		pkt_offset = RXDESC_SIZE + pattrib->drvinfo_sz + pattrib->shift_sz + pattrib->pkt_len;
-
-		if ((pattrib->pkt_len <= 0) || (pkt_offset > transfer_len)) {
-			rtw_free_recvframe(precvframe, pfree_recv_queue);
-			goto _exit_recvbuf2recvframe;
-		}
-
-		/*	Modified by Albert 20101213 */
-		/*	For 8 bytes IP header alignment. */
-		if (pattrib->qos)	/*	Qos data, wireless lan header length is 26 */
-			shift_sz = 6;
-		else
-			shift_sz = 0;
-
-		skb_len = pattrib->pkt_len;
-
-		/*  for first fragment packet, driver need allocate 1536+drvinfo_sz+RXDESC_SIZE to defrag packet. */
-		/*  modify alloc_sz for recvive crc error packet by thomas 2011-06-02 */
-		if ((pattrib->mfrag == 1) && (pattrib->frag_num == 0)) {
-			if (skb_len <= 1650)
-				alloc_sz = 1664;
-			else
-				alloc_sz = skb_len + 14;
-		} else {
-			alloc_sz = skb_len;
-			/*	6 is for IP header 8 bytes alignment in QoS packet case. */
-			/*	8 is for skb->data 4 bytes alignment. */
-			alloc_sz += 14;
-		}
-
-		pkt_copy = netdev_alloc_skb(adapt->pnetdev, alloc_sz);
-		if (pkt_copy) {
-			precvframe->pkt = pkt_copy;
-			precvframe->rx_head = pkt_copy->data;
-			precvframe->rx_end = pkt_copy->data + alloc_sz;
-			skb_reserve(pkt_copy, 8 - ((size_t)(pkt_copy->data) & 7));/* force pkt_copy->data at 8-byte alignment address */
-			skb_reserve(pkt_copy, shift_sz);/* force ip_hdr at 8-byte alignment address according to shift_sz. */
-			memcpy(pkt_copy->data, (pbuf + pattrib->drvinfo_sz + RXDESC_SIZE), skb_len);
-			precvframe->rx_tail = pkt_copy->data;
-			precvframe->rx_data = pkt_copy->data;
-		} else {
-			if ((pattrib->mfrag == 1) && (pattrib->frag_num == 0)) {
-				rtw_free_recvframe(precvframe, pfree_recv_queue);
-				goto _exit_recvbuf2recvframe;
-			}
-			precvframe->pkt = skb_clone(pskb, GFP_ATOMIC);
-			if (precvframe->pkt) {
-				precvframe->rx_tail = pbuf + pattrib->drvinfo_sz + RXDESC_SIZE;
-				precvframe->rx_head = precvframe->rx_tail;
-				precvframe->rx_data = precvframe->rx_tail;
-				precvframe->rx_end =  pbuf + pattrib->drvinfo_sz + RXDESC_SIZE + alloc_sz;
-			} else {
-				rtw_free_recvframe(precvframe, pfree_recv_queue);
-				goto _exit_recvbuf2recvframe;
-			}
-		}
-
-		recvframe_put(precvframe, skb_len);
-
-		pkt_offset = (u16)round_up(pkt_offset, 128);
-
-		if (pattrib->pkt_rpt_type == NORMAL_RX) { /* Normal rx packet */
-			if (pattrib->physt)
-				update_recvframe_phyinfo_88e(precvframe, (struct phy_stat *)pphy_status);
-			rtw_recv_entry(precvframe);
-		} else {
-			/* enqueue recvframe to txrtp queue */
-			if (pattrib->pkt_rpt_type == TX_REPORT1) {
-				/* CCX-TXRPT ack for xmit mgmt frames. */
-				handle_txrpt_ccx_88e(adapt, precvframe->rx_data);
-			} else if (pattrib->pkt_rpt_type == TX_REPORT2) {
-				ODM_RA_TxRPT2Handle_8188E(
-							&haldata->odmpriv,
-							precvframe->rx_data,
-							pattrib->pkt_len,
-							pattrib->MacIDValidEntry[0],
-							pattrib->MacIDValidEntry[1]
-							);
-			}
-			rtw_free_recvframe(precvframe, pfree_recv_queue);
-		}
-		pkt_cnt--;
-		transfer_len -= pkt_offset;
-		pbuf += pkt_offset;
-		precvframe = NULL;
-		pkt_copy = NULL;
-
-		if (transfer_len > 0 && pkt_cnt == 0)
-			pkt_cnt = (le32_to_cpu(prxstat->rxdw2) >> 16) & 0xff;
-
-	} while ((transfer_len > 0) && (pkt_cnt > 0));
-
-_exit_recvbuf2recvframe:
-
-	return _SUCCESS;
-}
-
-void rtl8188eu_recv_tasklet(unsigned long priv)
-{
-	struct sk_buff *pskb;
-	struct adapter *adapt = (struct adapter *)priv;
-	struct recv_priv *precvpriv = &adapt->recvpriv;
-
-	while (NULL != (pskb = skb_dequeue(&precvpriv->rx_skb_queue))) {
-		if ((adapt->bDriverStopped) || (adapt->bSurpriseRemoved)) {
-			dev_kfree_skb_any(pskb);
-			break;
-		}
-		recvbuf2recvframe(adapt, pskb);
-		skb_reset_tail_pointer(pskb);
-		pskb->len = 0;
-		skb_queue_tail(&precvpriv->free_recv_skb_queue, pskb);
-	}
-}
-
-static void usb_read_port_complete(struct urb *purb)
-{
-	struct recv_buf	*precvbuf = (struct recv_buf *)purb->context;
-	struct adapter	*adapt = (struct adapter *)precvbuf->adapter;
-	struct recv_priv *precvpriv = &adapt->recvpriv;
-
-	precvpriv->rx_pending_cnt--;
-
-	if (adapt->bSurpriseRemoved || adapt->bDriverStopped || adapt->bReadPortCancel) {
-		precvbuf->reuse = true;
-		return;
-	}
-
-	if (purb->status == 0) { /* SUCCESS */
-		if ((purb->actual_length > MAX_RECVBUF_SZ) || (purb->actual_length < RXDESC_SIZE)) {
-			precvbuf->reuse = true;
-			rtw_read_port(adapt, precvbuf);
-		} else {
-			rtw_reset_continual_urb_error(adapter_to_dvobj(adapt));
-
-			skb_put(precvbuf->pskb, purb->actual_length);
-			skb_queue_tail(&precvpriv->rx_skb_queue, precvbuf->pskb);
-
-			if (skb_queue_len(&precvpriv->rx_skb_queue) <= 1)
-				tasklet_schedule(&precvpriv->recv_tasklet);
-
-			precvbuf->pskb = NULL;
-			precvbuf->reuse = false;
-			rtw_read_port(adapt, precvbuf);
-		}
-	} else {
-		skb_put(precvbuf->pskb, purb->actual_length);
-		precvbuf->pskb = NULL;
-
-		if (rtw_inc_and_chk_continual_urb_error(adapter_to_dvobj(adapt)))
-			adapt->bSurpriseRemoved = true;
-
-		switch (purb->status) {
-		case -EINVAL:
-		case -EPIPE:
-		case -ENODEV:
-		case -ESHUTDOWN:
-		case -ENOENT:
-			adapt->bDriverStopped = true;
-			break;
-		case -EPROTO:
-		case -EOVERFLOW:
-			precvbuf->reuse = true;
-			rtw_read_port(adapt, precvbuf);
-			break;
-		case -EINPROGRESS:
-			break;
-		default:
-			break;
-		}
-	}
-}
-
-int rtw_read_port(struct adapter *adapter, struct recv_buf *precvbuf)
-{
-	struct urb *purb = NULL;
-	struct dvobj_priv	*pdvobj = adapter_to_dvobj(adapter);
-	struct recv_priv	*precvpriv = &adapter->recvpriv;
-	struct usb_device	*pusbd = pdvobj->pusbdev;
-	int err;
-	unsigned int pipe;
-	size_t tmpaddr = 0;
-	size_t alignment = 0;
-
-	if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
-		return -EPERM;
-
-	if (!precvbuf)
-		return -ENOMEM;
-
-	if (!precvbuf->reuse || !precvbuf->pskb) {
-		precvbuf->pskb = skb_dequeue(&precvpriv->free_recv_skb_queue);
-		if (precvbuf->pskb)
-			precvbuf->reuse = true;
-	}
-
-	/* re-assign for linux based on skb */
-	if (!precvbuf->reuse || !precvbuf->pskb) {
-		precvbuf->pskb = netdev_alloc_skb(adapter->pnetdev, MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ);
-		if (!precvbuf->pskb)
-			return -ENOMEM;
-
-		tmpaddr = (size_t)precvbuf->pskb->data;
-		alignment = tmpaddr & (RECVBUFF_ALIGN_SZ - 1);
-		skb_reserve(precvbuf->pskb, (RECVBUFF_ALIGN_SZ - alignment));
-	} else { /* reuse skb */
-		precvbuf->reuse = false;
-	}
-
-	precvpriv->rx_pending_cnt++;
-
-	purb = precvbuf->purb;
-
-	/* translate DMA FIFO addr to pipehandle */
-	pipe = usb_rcvbulkpipe(pusbd, pdvobj->RtInPipe);
-
-	usb_fill_bulk_urb(purb, pusbd, pipe,
-			  precvbuf->pskb->data,
-			  MAX_RECVBUF_SZ,
-			  usb_read_port_complete,
-			  precvbuf);/* context is precvbuf */
-
-	err = usb_submit_urb(purb, GFP_ATOMIC);
-	if ((err) && (err != (-EPERM)))
-		return err;
-
-	return 0;
-}
-
-void rtl8188eu_xmit_tasklet(unsigned long priv)
-{
-	struct adapter *adapt = (struct adapter *)priv;
-
-	if (check_fwstate(&adapt->mlmepriv, _FW_UNDER_SURVEY))
-		return;
-
-	do {
-		if (adapt->bDriverStopped || adapt->bSurpriseRemoved || adapt->bWritePortCancel)
-			break;
-	} while (rtl8188eu_xmitframe_complete(adapt));
-}