1 /*- 2 * Copyright (c) 2003-2005 Craig Boston 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Bill Paul. 16 * 4. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul, THE VOICES IN HIS HEAD OR 24 * THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 27 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 28 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 29 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 30 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 * 32 * $FreeBSD$ 33 */ 34 35 #ifndef _USB_IF_CDCEREG_H_ 36 #define _USB_IF_CDCEREG_H_ 37 38 #define CDCE_FRAMES_MAX 8 /* units */ 39 #define CDCE_IND_SIZE_MAX 32 /* bytes */ 40 41 #define CDCE_NCM_TX_MINLEN 512 /* bytes, must be power of two */ 42 #define CDCE_NCM_TX_MAXLEN (16384 + 4) /* bytes, must be short terminated */ 43 #define CDCE_NCM_TX_FRAMES_MAX 8 /* units */ 44 45 #define CDCE_NCM_RX_MAXLEN (1UL << 14) /* bytes */ 46 #define CDCE_NCM_RX_FRAMES_MAX 1 /* units */ 47 48 #define CDCE_NCM_SUBFRAMES_MAX 32 /* units */ 49 50 #define CDCE_NCM_ALIGN(rem,off,mod) \ 51 ((uint32_t)(((uint32_t)(rem)) - \ 52 ((uint32_t)((-(uint32_t)(off)) & (-(uint32_t)(mod)))))) 53 54 #ifndef CDCE_HAVE_NCM 55 #define CDCE_HAVE_NCM 1 56 #endif 57 58 enum { 59 CDCE_BULK_RX, 60 CDCE_BULK_TX, 61 CDCE_INTR_RX, 62 CDCE_INTR_TX, 63 CDCE_N_TRANSFER, 64 }; 65 66 struct cdce_ncm { 67 struct usb_ncm16_hdr hdr; 68 struct usb_ncm16_dpt dpt; 69 struct usb_ncm16_dp dp[CDCE_NCM_SUBFRAMES_MAX]; 70 uint32_t rx_max; 71 uint32_t tx_max; 72 uint16_t tx_remainder; 73 uint16_t tx_modulus; 74 uint16_t tx_struct_align; 75 uint16_t tx_seq; 76 uint16_t tx_nframe; 77 }; 78 79 struct cdce_softc { 80 struct usb_ether sc_ue; 81 struct mtx sc_mtx; 82 #if CDCE_HAVE_NCM 83 struct cdce_ncm sc_ncm; 84 #endif 85 struct usb_xfer *sc_xfer[CDCE_N_TRANSFER]; 86 struct mbuf *sc_rx_buf[CDCE_FRAMES_MAX]; 87 struct mbuf *sc_tx_buf[CDCE_FRAMES_MAX]; 88 89 int sc_flags; 90 #define CDCE_FLAG_ZAURUS 0x0001 91 #define CDCE_FLAG_NO_UNION 0x0002 92 #define CDCE_FLAG_RX_DATA 0x0010 93 94 uint8_t sc_eaddr_str_index; 95 uint8_t sc_ifaces_index[2]; 96 }; 97 98 #define CDCE_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx) 99 #define CDCE_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx) 100 #define CDCE_LOCK_ASSERT(_sc, t) mtx_assert(&(_sc)->sc_mtx, t) 101 #endif /* _USB_IF_CDCEREG_H_ */ 102