linux/drivers/staging/brcm80211/sys/wlc_rpctx.h

/*
 * Copyright (c) 2010 Broadcom Corporation
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef _wlc_rpctx_h_
#define _wlc_rpctx_h_

/* forward declaration */
struct wlc_info;

/* This controls how many packets are given to the dongle. This is required as
 * NTXD needs to be power of 2 but we may not have enough memory to absorb that
 * large number of frames
 */
#ifndef NRPCTXBUFPOST
#define NRPCTXBUFPOST NTXD
#endif

#if defined(WLC_HIGH_ONLY)

struct wlc_rpc_phy {
	struct rpc_info *rpc;
};

#define RPCTX_ENAB(pub)		(true)
extern rpctx_info_t *wlc_rpctx_attach(wlc_pub_t *pub, struct wlc_info *wlc);
extern int wlc_rpctx_fifoinit(rpctx_info_t *rpctx, uint fifo, uint ntxd);
extern void wlc_rpctx_detach(rpctx_info_t *rpctx);
extern int wlc_rpctx_dump(rpctx_info_t *rpctx, struct bcmstrbuf *b);
extern void *wlc_rpctx_getnexttxp(rpctx_info_t *rpctx, uint fifo);
extern void wlc_rpctx_txreclaim(rpctx_info_t *rpctx);
extern uint wlc_rpctx_txavail(rpctx_info_t *rpctx, uint fifo);
extern int wlc_rpctx_pkteng(rpctx_info_t *rpctx, uint fifo, void *p);
extern int wlc_rpctx_tx(rpctx_info_t *rpctx, uint fifo, void *p, bool commit,
			u16 frameid, u8 txpktpend);
extern void wlc_rpctx_txpktpendinc(rpctx_info_t *rpctx, uint fifo, u8 val);
extern void wlc_rpctx_txpktpenddec(rpctx_info_t *rpctx, uint fifo, u8 val);
extern void wlc_rpctx_txpktpendclr(rpctx_info_t *rpctx, uint fifo);
extern int wlc_rpctx_txpktpend(rpctx_info_t *rpctx, uint fifo, bool all);

#else
#define	RPCTX_ENAB(pub)			(false)
#define	wlc_rpctx_attach(pub, wlc)	(NULL)
#define	wlc_rpctx_fifoinit(rpctx, fifo, ntxd) (0)
#define	wlc_rpctx_detach(rpctx)		ASSERT(0)
#define	wlc_rpctx_txavail(rpctx, f)	(false)
#define	wlc_rpctx_dump(rpctx, b)		(0)
#define	wlc_rpctx_getnexttxp(rpctx, f)		(NULL)
#define	wlc_rpctx_txreclaim(rpctx)		ASSERT(0)
#define	wlc_rpctx_pkteng(rpctx, fifo, p)	do { } while (0)
#define	wlc_rpctx_tx(rpctx, f, p, c, fid, t)	(0)
#define	wlc_rpctx_txpktpendinc(rpctx, f, val)	do { } while (0)
#define	wlc_rpctx_txpktpenddec(rpctx, f, val)	do { } while (0)
#define	wlc_rpctx_txpktpendclr(rpctx, f)	do { } while (0)
#define	wlc_rpctx_txpktpend(rpctx, f, all)	(0)

#endif				/* WLC_HIGH */

#endif				/* _wlc_rpctx_h_ */