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/*-
* Copyright (c) 2003-2005 Craig Boston
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Bill Paul.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul, THE VOICES IN HIS HEAD OR
* THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _USB_IF_CDCEREG_H_
#define _USB_IF_CDCEREG_H_
#define CDCE_FRAMES_MAX 8 /* units */
#define CDCE_IND_SIZE_MAX 32 /* bytes */
#define CDCE_NCM_TX_MINLEN 512 /* bytes, must be power of two */
#define CDCE_NCM_TX_MAXLEN (16384 + 4) /* bytes, must be short terminated */
#define CDCE_NCM_TX_FRAMES_MAX 8 /* units */
#define CDCE_NCM_RX_MAXLEN (1UL << 14) /* bytes */
#define CDCE_NCM_RX_FRAMES_MAX 1 /* units */
#define CDCE_NCM_SUBFRAMES_MAX 32 /* units */
#define CDCE_NCM_ALIGN(rem,off,mod) \
((uint32_t)(((uint32_t)(rem)) - \
((uint32_t)((-(uint32_t)(off)) & (-(uint32_t)(mod))))))
#ifndef CDCE_HAVE_NCM
#define CDCE_HAVE_NCM 1
#endif
enum {
CDCE_BULK_RX,
CDCE_BULK_TX,
CDCE_INTR_RX,
CDCE_INTR_TX,
CDCE_N_TRANSFER,
};
struct cdce_ncm {
struct usb_ncm16_hdr hdr;
struct usb_ncm16_dpt dpt;
struct usb_ncm16_dp dp[CDCE_NCM_SUBFRAMES_MAX];
uint32_t rx_max;
uint32_t tx_max;
uint16_t tx_remainder;
uint16_t tx_modulus;
uint16_t tx_struct_align;
uint16_t tx_seq;
uint16_t tx_nframe;
};
struct cdce_softc {
struct usb_ether sc_ue;
struct mtx sc_mtx;
#if CDCE_HAVE_NCM
struct cdce_ncm sc_ncm;
#endif
struct usb_xfer *sc_xfer[CDCE_N_TRANSFER];
struct mbuf *sc_rx_buf[CDCE_FRAMES_MAX];
struct mbuf *sc_tx_buf[CDCE_FRAMES_MAX];
int sc_flags;
#define CDCE_FLAG_ZAURUS 0x0001
#define CDCE_FLAG_NO_UNION 0x0002
#define CDCE_FLAG_RX_DATA 0x0010
uint8_t sc_eaddr_str_index;
uint8_t sc_ifaces_index[2];
};
#define CDCE_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
#define CDCE_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx)
#define CDCE_LOCK_ASSERT(_sc, t) mtx_assert(&(_sc)->sc_mtx, t)
#endif /* _USB_IF_CDCEREG_H_ */
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