staging:r8188eu: Remove unused struct pkt_file

#include <osdep_service.h>

#include <drv_types.h>

struct pkt_file {

	struct sk_buff *pkt;

	size_t pkt_len;	 /* the remainder length of the open_file */

	unsigned char *cur_buffer;

	u8 *buf_start;

	u8 *cur_addr;

	size_t buf_len;

};

#define NR_XMITFRAME	256

struct xmit_priv;

			       struct xmit_buf *pxmitbuf, u32 alloc_sz);

void rtw_os_xmit_resource_free(struct xmit_buf *pxmitbuf);

uint rtw_remainder_len(struct pkt_file *pfile);

void _rtw_open_pktfile(struct sk_buff *pkt, struct pkt_file *pfile);

uint _rtw_pktfile_read(struct pkt_file *pfile, u8 *rmem, uint rlen);

void rtw_os_pkt_complete(struct adapter *padapter, struct sk_buff *pkt);

void rtw_os_xmit_complete(struct adapter *padapter,

			  struct xmit_frame *pxframe);

#include <xmit_osdep.h>

#include <osdep_intf.h>

uint rtw_remainder_len(struct pkt_file *pfile)

{

	return pfile->buf_len - ((size_t)(pfile->cur_addr) -

	       (size_t)(pfile->buf_start));

}

void _rtw_open_pktfile(struct sk_buff *pktptr, struct pkt_file *pfile)

{

	pfile->pkt = pktptr;

	pfile->cur_addr = pktptr->data;

	pfile->buf_start = pktptr->data;

	pfile->pkt_len = pktptr->len;

	pfile->buf_len = pktptr->len;

	pfile->cur_buffer = pfile->buf_start;

}

uint _rtw_pktfile_read(struct pkt_file *pfile, u8 *rmem, uint rlen)

{

	uint	len = 0;

	len =  rtw_remainder_len(pfile);

	len = min(rlen, len);

	if (rmem)

		skb_copy_bits(pfile->pkt, pfile->buf_len-pfile->pkt_len, rmem, len);

	pfile->cur_addr += len;

	pfile->pkt_len -= len;

	return len;

}

int rtw_os_xmit_resource_alloc(struct adapter *padapter, struct xmit_buf *pxmitbuf, u32 alloc_sz)

{

	int i;