1422 lines
36 KiB
C
1422 lines
36 KiB
C
/* $NetBSD: if_cdce.c,v 1.4 2004/10/24 12:50:54 augustss Exp $ */
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/*-
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* Copyright (c) 1997, 1998, 1999, 2000-2003 Bill Paul <wpaul@windriver.com>
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* Copyright (c) 2003-2005 Craig Boston
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* Copyright (c) 2004 Daniel Hartmeier
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* Copyright (c) 2009 Hans Petter Selasky
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Bill Paul.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul, THE VOICES IN HIS HEAD OR
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* THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* USB Communication Device Class (Ethernet Networking Control Model)
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* http://www.usb.org/developers/devclass_docs/usbcdc11.pdf
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*/
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/*
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* USB Network Control Model (NCM)
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* http://www.usb.org/developers/devclass_docs/NCM10.zip
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/stdint.h>
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#include <sys/stddef.h>
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#include <sys/param.h>
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#include <sys/queue.h>
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#include <sys/types.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/module.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/condvar.h>
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#include <sys/sysctl.h>
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#include <sys/sx.h>
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#include <sys/unistd.h>
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#include <sys/callout.h>
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#include <sys/malloc.h>
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#include <sys/priv.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usbdi_util.h>
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#include <dev/usb/usb_cdc.h>
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#include "usbdevs.h"
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#define USB_DEBUG_VAR cdce_debug
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#include <dev/usb/usb_debug.h>
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#include <dev/usb/usb_process.h>
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#include "usb_if.h"
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#include <dev/usb/net/usb_ethernet.h>
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#include <dev/usb/net/if_cdcereg.h>
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static device_probe_t cdce_probe;
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static device_attach_t cdce_attach;
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static device_detach_t cdce_detach;
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static device_suspend_t cdce_suspend;
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static device_resume_t cdce_resume;
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static usb_handle_request_t cdce_handle_request;
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static usb_callback_t cdce_bulk_write_callback;
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static usb_callback_t cdce_bulk_read_callback;
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static usb_callback_t cdce_intr_read_callback;
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static usb_callback_t cdce_intr_write_callback;
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#if CDCE_HAVE_NCM
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static usb_callback_t cdce_ncm_bulk_write_callback;
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static usb_callback_t cdce_ncm_bulk_read_callback;
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#endif
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static uether_fn_t cdce_attach_post;
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static uether_fn_t cdce_init;
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static uether_fn_t cdce_stop;
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static uether_fn_t cdce_start;
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static uether_fn_t cdce_setmulti;
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static uether_fn_t cdce_setpromisc;
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static uint32_t cdce_m_crc32(struct mbuf *, uint32_t, uint32_t);
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#ifdef USB_DEBUG
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static int cdce_debug = 0;
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static int cdce_tx_interval = 0;
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static SYSCTL_NODE(_hw_usb, OID_AUTO, cdce, CTLFLAG_RW, 0, "USB CDC-Ethernet");
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SYSCTL_INT(_hw_usb_cdce, OID_AUTO, debug, CTLFLAG_RW, &cdce_debug, 0,
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"Debug level");
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SYSCTL_INT(_hw_usb_cdce, OID_AUTO, interval, CTLFLAG_RW, &cdce_tx_interval, 0,
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"NCM transmit interval in ms");
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#endif
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static const struct usb_config cdce_config[CDCE_N_TRANSFER] = {
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[CDCE_BULK_RX] = {
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.type = UE_BULK,
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.endpoint = UE_ADDR_ANY,
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.direction = UE_DIR_RX,
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.if_index = 0,
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.frames = CDCE_FRAMES_MAX,
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.bufsize = (CDCE_FRAMES_MAX * MCLBYTES),
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.flags = {.pipe_bof = 1,.short_frames_ok = 1,.short_xfer_ok = 1,.ext_buffer = 1,},
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.callback = cdce_bulk_read_callback,
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.timeout = 0, /* no timeout */
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.usb_mode = USB_MODE_DUAL, /* both modes */
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},
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[CDCE_BULK_TX] = {
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.type = UE_BULK,
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.endpoint = UE_ADDR_ANY,
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.direction = UE_DIR_TX,
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.if_index = 0,
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.frames = CDCE_FRAMES_MAX,
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.bufsize = (CDCE_FRAMES_MAX * MCLBYTES),
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.flags = {.pipe_bof = 1,.force_short_xfer = 1,.ext_buffer = 1,},
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.callback = cdce_bulk_write_callback,
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.timeout = 10000, /* 10 seconds */
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.usb_mode = USB_MODE_DUAL, /* both modes */
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},
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[CDCE_INTR_RX] = {
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.type = UE_INTERRUPT,
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.endpoint = UE_ADDR_ANY,
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.direction = UE_DIR_RX,
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.if_index = 1,
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.bufsize = CDCE_IND_SIZE_MAX,
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.flags = {.pipe_bof = 1,.short_xfer_ok = 1,.no_pipe_ok = 1,},
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.callback = cdce_intr_read_callback,
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.timeout = 0,
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.usb_mode = USB_MODE_HOST,
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},
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[CDCE_INTR_TX] = {
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.type = UE_INTERRUPT,
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.endpoint = UE_ADDR_ANY,
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.direction = UE_DIR_TX,
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.if_index = 1,
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.bufsize = CDCE_IND_SIZE_MAX,
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.flags = {.pipe_bof = 1,.force_short_xfer = 1,.no_pipe_ok = 1,},
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.callback = cdce_intr_write_callback,
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.timeout = 10000, /* 10 seconds */
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.usb_mode = USB_MODE_DEVICE,
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},
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};
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#if CDCE_HAVE_NCM
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static const struct usb_config cdce_ncm_config[CDCE_N_TRANSFER] = {
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[CDCE_BULK_RX] = {
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.type = UE_BULK,
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.endpoint = UE_ADDR_ANY,
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.direction = UE_DIR_RX,
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.if_index = 0,
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.frames = CDCE_NCM_RX_FRAMES_MAX,
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.bufsize = (CDCE_NCM_RX_FRAMES_MAX * CDCE_NCM_RX_MAXLEN),
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.flags = {.pipe_bof = 1,.short_frames_ok = 1,.short_xfer_ok = 1,},
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.callback = cdce_ncm_bulk_read_callback,
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.timeout = 0, /* no timeout */
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.usb_mode = USB_MODE_DUAL, /* both modes */
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},
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[CDCE_BULK_TX] = {
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.type = UE_BULK,
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.endpoint = UE_ADDR_ANY,
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.direction = UE_DIR_TX,
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.if_index = 0,
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.frames = CDCE_NCM_TX_FRAMES_MAX,
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.bufsize = (CDCE_NCM_TX_FRAMES_MAX * CDCE_NCM_TX_MAXLEN),
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.flags = {.pipe_bof = 1,},
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.callback = cdce_ncm_bulk_write_callback,
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.timeout = 10000, /* 10 seconds */
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.usb_mode = USB_MODE_DUAL, /* both modes */
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},
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[CDCE_INTR_RX] = {
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.type = UE_INTERRUPT,
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.endpoint = UE_ADDR_ANY,
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.direction = UE_DIR_RX,
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.if_index = 1,
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.bufsize = CDCE_IND_SIZE_MAX,
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.flags = {.pipe_bof = 1,.short_xfer_ok = 1,.no_pipe_ok = 1,},
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.callback = cdce_intr_read_callback,
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.timeout = 0,
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.usb_mode = USB_MODE_HOST,
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},
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[CDCE_INTR_TX] = {
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.type = UE_INTERRUPT,
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.endpoint = UE_ADDR_ANY,
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.direction = UE_DIR_TX,
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.if_index = 1,
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.bufsize = CDCE_IND_SIZE_MAX,
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.flags = {.pipe_bof = 1,.force_short_xfer = 1,.no_pipe_ok = 1,},
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.callback = cdce_intr_write_callback,
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.timeout = 10000, /* 10 seconds */
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.usb_mode = USB_MODE_DEVICE,
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},
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};
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#endif
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static device_method_t cdce_methods[] = {
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/* USB interface */
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DEVMETHOD(usb_handle_request, cdce_handle_request),
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/* Device interface */
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DEVMETHOD(device_probe, cdce_probe),
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DEVMETHOD(device_attach, cdce_attach),
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DEVMETHOD(device_detach, cdce_detach),
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DEVMETHOD(device_suspend, cdce_suspend),
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DEVMETHOD(device_resume, cdce_resume),
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DEVMETHOD_END
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};
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static driver_t cdce_driver = {
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.name = "cdce",
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.methods = cdce_methods,
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.size = sizeof(struct cdce_softc),
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};
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static devclass_t cdce_devclass;
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DRIVER_MODULE(cdce, uhub, cdce_driver, cdce_devclass, NULL, 0);
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MODULE_VERSION(cdce, 1);
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MODULE_DEPEND(cdce, uether, 1, 1, 1);
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MODULE_DEPEND(cdce, usb, 1, 1, 1);
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MODULE_DEPEND(cdce, ether, 1, 1, 1);
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static const struct usb_ether_methods cdce_ue_methods = {
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.ue_attach_post = cdce_attach_post,
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.ue_start = cdce_start,
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.ue_init = cdce_init,
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.ue_stop = cdce_stop,
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.ue_setmulti = cdce_setmulti,
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.ue_setpromisc = cdce_setpromisc,
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};
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static const STRUCT_USB_HOST_ID cdce_host_devs[] = {
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{USB_VPI(USB_VENDOR_ACERLABS, USB_PRODUCT_ACERLABS_M5632, CDCE_FLAG_NO_UNION)},
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{USB_VPI(USB_VENDOR_AMBIT, USB_PRODUCT_AMBIT_NTL_250, CDCE_FLAG_NO_UNION)},
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{USB_VPI(USB_VENDOR_COMPAQ, USB_PRODUCT_COMPAQ_IPAQLINUX, CDCE_FLAG_NO_UNION)},
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{USB_VPI(USB_VENDOR_GMATE, USB_PRODUCT_GMATE_YP3X00, CDCE_FLAG_NO_UNION)},
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{USB_VPI(USB_VENDOR_MOTOROLA2, USB_PRODUCT_MOTOROLA2_USBLAN, CDCE_FLAG_ZAURUS | CDCE_FLAG_NO_UNION)},
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{USB_VPI(USB_VENDOR_MOTOROLA2, USB_PRODUCT_MOTOROLA2_USBLAN2, CDCE_FLAG_ZAURUS | CDCE_FLAG_NO_UNION)},
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{USB_VPI(USB_VENDOR_NETCHIP, USB_PRODUCT_NETCHIP_ETHERNETGADGET, CDCE_FLAG_NO_UNION)},
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{USB_VPI(USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2501, CDCE_FLAG_NO_UNION)},
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{USB_VPI(USB_VENDOR_SHARP, USB_PRODUCT_SHARP_SL5500, CDCE_FLAG_ZAURUS)},
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{USB_VPI(USB_VENDOR_SHARP, USB_PRODUCT_SHARP_SL5600, CDCE_FLAG_ZAURUS | CDCE_FLAG_NO_UNION)},
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{USB_VPI(USB_VENDOR_SHARP, USB_PRODUCT_SHARP_SLA300, CDCE_FLAG_ZAURUS | CDCE_FLAG_NO_UNION)},
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{USB_VPI(USB_VENDOR_SHARP, USB_PRODUCT_SHARP_SLC700, CDCE_FLAG_ZAURUS | CDCE_FLAG_NO_UNION)},
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{USB_VPI(USB_VENDOR_SHARP, USB_PRODUCT_SHARP_SLC750, CDCE_FLAG_ZAURUS | CDCE_FLAG_NO_UNION)},
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};
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static const STRUCT_USB_DUAL_ID cdce_dual_devs[] = {
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{USB_IF_CSI(UICLASS_CDC, UISUBCLASS_ETHERNET_NETWORKING_CONTROL_MODEL, 0)},
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{USB_IF_CSI(UICLASS_CDC, UISUBCLASS_MOBILE_DIRECT_LINE_MODEL, 0)},
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{USB_IF_CSI(UICLASS_CDC, UISUBCLASS_NETWORK_CONTROL_MODEL, 0)},
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};
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#if CDCE_HAVE_NCM
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/*------------------------------------------------------------------------*
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* cdce_ncm_init
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*
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* Return values:
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* 0: Success
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* Else: Failure
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*------------------------------------------------------------------------*/
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static uint8_t
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cdce_ncm_init(struct cdce_softc *sc)
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{
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struct usb_ncm_parameters temp;
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struct usb_device_request req;
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struct usb_ncm_func_descriptor *ufd;
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uint8_t value[8];
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int err;
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ufd = usbd_find_descriptor(sc->sc_ue.ue_udev, NULL,
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sc->sc_ifaces_index[1], UDESC_CS_INTERFACE, 0xFF,
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UCDC_NCM_FUNC_DESC_SUBTYPE, 0xFF);
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/* verify length of NCM functional descriptor */
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if (ufd != NULL) {
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if (ufd->bLength < sizeof(*ufd))
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ufd = NULL;
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else
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DPRINTFN(1, "Found NCM functional descriptor.\n");
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}
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req.bmRequestType = UT_READ_CLASS_INTERFACE;
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req.bRequest = UCDC_NCM_GET_NTB_PARAMETERS;
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USETW(req.wValue, 0);
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req.wIndex[0] = sc->sc_ifaces_index[1];
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req.wIndex[1] = 0;
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USETW(req.wLength, sizeof(temp));
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err = usbd_do_request_flags(sc->sc_ue.ue_udev, NULL, &req,
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&temp, 0, NULL, 1000 /* ms */);
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if (err)
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return (1);
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/* Read correct set of parameters according to device mode */
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if (usbd_get_mode(sc->sc_ue.ue_udev) == USB_MODE_HOST) {
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sc->sc_ncm.rx_max = UGETDW(temp.dwNtbInMaxSize);
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sc->sc_ncm.tx_max = UGETDW(temp.dwNtbOutMaxSize);
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sc->sc_ncm.tx_remainder = UGETW(temp.wNdpOutPayloadRemainder);
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sc->sc_ncm.tx_modulus = UGETW(temp.wNdpOutDivisor);
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sc->sc_ncm.tx_struct_align = UGETW(temp.wNdpOutAlignment);
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sc->sc_ncm.tx_nframe = UGETW(temp.wNtbOutMaxDatagrams);
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} else {
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sc->sc_ncm.rx_max = UGETDW(temp.dwNtbOutMaxSize);
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sc->sc_ncm.tx_max = UGETDW(temp.dwNtbInMaxSize);
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sc->sc_ncm.tx_remainder = UGETW(temp.wNdpInPayloadRemainder);
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sc->sc_ncm.tx_modulus = UGETW(temp.wNdpInDivisor);
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sc->sc_ncm.tx_struct_align = UGETW(temp.wNdpInAlignment);
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sc->sc_ncm.tx_nframe = UGETW(temp.wNtbOutMaxDatagrams);
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}
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/* Verify maximum receive length */
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if ((sc->sc_ncm.rx_max < 32) ||
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(sc->sc_ncm.rx_max > CDCE_NCM_RX_MAXLEN)) {
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DPRINTFN(1, "Using default maximum receive length\n");
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sc->sc_ncm.rx_max = CDCE_NCM_RX_MAXLEN;
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}
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/* Verify maximum transmit length */
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if ((sc->sc_ncm.tx_max < 32) ||
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(sc->sc_ncm.tx_max > CDCE_NCM_TX_MAXLEN)) {
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DPRINTFN(1, "Using default maximum transmit length\n");
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sc->sc_ncm.tx_max = CDCE_NCM_TX_MAXLEN;
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}
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/*
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* Verify that the structure alignment is:
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* - power of two
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* - not greater than the maximum transmit length
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* - not less than four bytes
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*/
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if ((sc->sc_ncm.tx_struct_align < 4) ||
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(sc->sc_ncm.tx_struct_align !=
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((-sc->sc_ncm.tx_struct_align) & sc->sc_ncm.tx_struct_align)) ||
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(sc->sc_ncm.tx_struct_align >= sc->sc_ncm.tx_max)) {
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DPRINTFN(1, "Using default other alignment: 4 bytes\n");
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sc->sc_ncm.tx_struct_align = 4;
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}
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/*
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* Verify that the payload alignment is:
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* - power of two
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* - not greater than the maximum transmit length
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* - not less than four bytes
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*/
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if ((sc->sc_ncm.tx_modulus < 4) ||
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(sc->sc_ncm.tx_modulus !=
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((-sc->sc_ncm.tx_modulus) & sc->sc_ncm.tx_modulus)) ||
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(sc->sc_ncm.tx_modulus >= sc->sc_ncm.tx_max)) {
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DPRINTFN(1, "Using default transmit modulus: 4 bytes\n");
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sc->sc_ncm.tx_modulus = 4;
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}
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/* Verify that the payload remainder */
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if ((sc->sc_ncm.tx_remainder >= sc->sc_ncm.tx_modulus)) {
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DPRINTFN(1, "Using default transmit remainder: 0 bytes\n");
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sc->sc_ncm.tx_remainder = 0;
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}
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/*
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* Offset the TX remainder so that IP packet payload starts at
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* the tx_modulus. This is not too clear in the specification.
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*/
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sc->sc_ncm.tx_remainder =
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(sc->sc_ncm.tx_remainder - ETHER_HDR_LEN) &
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(sc->sc_ncm.tx_modulus - 1);
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/* Verify max datagrams */
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if (sc->sc_ncm.tx_nframe == 0 ||
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sc->sc_ncm.tx_nframe > (CDCE_NCM_SUBFRAMES_MAX - 1)) {
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DPRINTFN(1, "Using default max "
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"subframes: %u units\n", CDCE_NCM_SUBFRAMES_MAX - 1);
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/* need to reserve one entry for zero padding */
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sc->sc_ncm.tx_nframe = (CDCE_NCM_SUBFRAMES_MAX - 1);
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}
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/* Additional configuration, will fail in device side mode, which is OK. */
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req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
|
|
req.bRequest = UCDC_NCM_SET_NTB_INPUT_SIZE;
|
|
USETW(req.wValue, 0);
|
|
req.wIndex[0] = sc->sc_ifaces_index[1];
|
|
req.wIndex[1] = 0;
|
|
|
|
if (ufd != NULL &&
|
|
(ufd->bmNetworkCapabilities & UCDC_NCM_CAP_MAX_DGRAM)) {
|
|
USETW(req.wLength, 8);
|
|
USETDW(value, sc->sc_ncm.rx_max);
|
|
USETW(value + 4, (CDCE_NCM_SUBFRAMES_MAX - 1));
|
|
USETW(value + 6, 0);
|
|
} else {
|
|
USETW(req.wLength, 4);
|
|
USETDW(value, sc->sc_ncm.rx_max);
|
|
}
|
|
|
|
err = usbd_do_request_flags(sc->sc_ue.ue_udev, NULL, &req,
|
|
&value, 0, NULL, 1000 /* ms */);
|
|
if (err) {
|
|
DPRINTFN(1, "Setting input size "
|
|
"to %u failed.\n", sc->sc_ncm.rx_max);
|
|
}
|
|
|
|
req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
|
|
req.bRequest = UCDC_NCM_SET_CRC_MODE;
|
|
USETW(req.wValue, 0); /* no CRC */
|
|
req.wIndex[0] = sc->sc_ifaces_index[1];
|
|
req.wIndex[1] = 0;
|
|
USETW(req.wLength, 0);
|
|
|
|
err = usbd_do_request_flags(sc->sc_ue.ue_udev, NULL, &req,
|
|
NULL, 0, NULL, 1000 /* ms */);
|
|
if (err) {
|
|
DPRINTFN(1, "Setting CRC mode to off failed.\n");
|
|
}
|
|
|
|
req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
|
|
req.bRequest = UCDC_NCM_SET_NTB_FORMAT;
|
|
USETW(req.wValue, 0); /* NTB-16 */
|
|
req.wIndex[0] = sc->sc_ifaces_index[1];
|
|
req.wIndex[1] = 0;
|
|
USETW(req.wLength, 0);
|
|
|
|
err = usbd_do_request_flags(sc->sc_ue.ue_udev, NULL, &req,
|
|
NULL, 0, NULL, 1000 /* ms */);
|
|
if (err) {
|
|
DPRINTFN(1, "Setting NTB format to 16-bit failed.\n");
|
|
}
|
|
|
|
return (0); /* success */
|
|
}
|
|
#endif
|
|
|
|
static int
|
|
cdce_probe(device_t dev)
|
|
{
|
|
struct usb_attach_arg *uaa = device_get_ivars(dev);
|
|
int error;
|
|
|
|
error = usbd_lookup_id_by_uaa(cdce_host_devs, sizeof(cdce_host_devs), uaa);
|
|
if (error)
|
|
error = usbd_lookup_id_by_uaa(cdce_dual_devs, sizeof(cdce_dual_devs), uaa);
|
|
return (error);
|
|
}
|
|
|
|
static void
|
|
cdce_attach_post(struct usb_ether *ue)
|
|
{
|
|
/* no-op */
|
|
return;
|
|
}
|
|
|
|
static int
|
|
cdce_attach(device_t dev)
|
|
{
|
|
struct cdce_softc *sc = device_get_softc(dev);
|
|
struct usb_ether *ue = &sc->sc_ue;
|
|
struct usb_attach_arg *uaa = device_get_ivars(dev);
|
|
struct usb_interface *iface;
|
|
const struct usb_cdc_union_descriptor *ud;
|
|
const struct usb_interface_descriptor *id;
|
|
const struct usb_cdc_ethernet_descriptor *ued;
|
|
const struct usb_config *pcfg;
|
|
uint32_t seed;
|
|
int error;
|
|
uint8_t i;
|
|
uint8_t data_iface_no;
|
|
char eaddr_str[5 * ETHER_ADDR_LEN]; /* approx */
|
|
|
|
sc->sc_flags = USB_GET_DRIVER_INFO(uaa);
|
|
sc->sc_ue.ue_udev = uaa->device;
|
|
|
|
device_set_usb_desc(dev);
|
|
|
|
mtx_init(&sc->sc_mtx, device_get_nameunit(dev), NULL, MTX_DEF);
|
|
|
|
ud = usbd_find_descriptor
|
|
(uaa->device, NULL, uaa->info.bIfaceIndex,
|
|
UDESC_CS_INTERFACE, 0xFF, UDESCSUB_CDC_UNION, 0xFF);
|
|
|
|
if ((ud == NULL) || (ud->bLength < sizeof(*ud)) ||
|
|
(sc->sc_flags & CDCE_FLAG_NO_UNION)) {
|
|
DPRINTFN(1, "No union descriptor!\n");
|
|
sc->sc_ifaces_index[0] = uaa->info.bIfaceIndex;
|
|
sc->sc_ifaces_index[1] = uaa->info.bIfaceIndex;
|
|
goto alloc_transfers;
|
|
}
|
|
data_iface_no = ud->bSlaveInterface[0];
|
|
|
|
for (i = 0;; i++) {
|
|
|
|
iface = usbd_get_iface(uaa->device, i);
|
|
|
|
if (iface) {
|
|
|
|
id = usbd_get_interface_descriptor(iface);
|
|
|
|
if (id && (id->bInterfaceNumber == data_iface_no)) {
|
|
sc->sc_ifaces_index[0] = i;
|
|
sc->sc_ifaces_index[1] = uaa->info.bIfaceIndex;
|
|
usbd_set_parent_iface(uaa->device, i, uaa->info.bIfaceIndex);
|
|
break;
|
|
}
|
|
} else {
|
|
device_printf(dev, "no data interface found\n");
|
|
goto detach;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* <quote>
|
|
*
|
|
* The Data Class interface of a networking device shall have
|
|
* a minimum of two interface settings. The first setting
|
|
* (the default interface setting) includes no endpoints and
|
|
* therefore no networking traffic is exchanged whenever the
|
|
* default interface setting is selected. One or more
|
|
* additional interface settings are used for normal
|
|
* operation, and therefore each includes a pair of endpoints
|
|
* (one IN, and one OUT) to exchange network traffic. Select
|
|
* an alternate interface setting to initialize the network
|
|
* aspects of the device and to enable the exchange of
|
|
* network traffic.
|
|
*
|
|
* </quote>
|
|
*
|
|
* Some devices, most notably cable modems, include interface
|
|
* settings that have no IN or OUT endpoint, therefore loop
|
|
* through the list of all available interface settings
|
|
* looking for one with both IN and OUT endpoints.
|
|
*/
|
|
|
|
alloc_transfers:
|
|
|
|
pcfg = cdce_config; /* Default Configuration */
|
|
|
|
for (i = 0; i != 32; i++) {
|
|
|
|
error = usbd_set_alt_interface_index(uaa->device,
|
|
sc->sc_ifaces_index[0], i);
|
|
if (error)
|
|
break;
|
|
#if CDCE_HAVE_NCM
|
|
if ((i == 0) && (cdce_ncm_init(sc) == 0))
|
|
pcfg = cdce_ncm_config;
|
|
#endif
|
|
error = usbd_transfer_setup(uaa->device,
|
|
sc->sc_ifaces_index, sc->sc_xfer,
|
|
pcfg, CDCE_N_TRANSFER, sc, &sc->sc_mtx);
|
|
|
|
if (error == 0)
|
|
break;
|
|
}
|
|
|
|
if (error || (i == 32)) {
|
|
device_printf(dev, "No valid alternate "
|
|
"setting found\n");
|
|
goto detach;
|
|
}
|
|
|
|
ued = usbd_find_descriptor
|
|
(uaa->device, NULL, uaa->info.bIfaceIndex,
|
|
UDESC_CS_INTERFACE, 0xFF, UDESCSUB_CDC_ENF, 0xFF);
|
|
|
|
if ((ued == NULL) || (ued->bLength < sizeof(*ued))) {
|
|
error = USB_ERR_INVAL;
|
|
} else {
|
|
error = usbd_req_get_string_any(uaa->device, NULL,
|
|
eaddr_str, sizeof(eaddr_str), ued->iMacAddress);
|
|
}
|
|
|
|
if (error) {
|
|
|
|
/* fake MAC address */
|
|
|
|
device_printf(dev, "faking MAC address\n");
|
|
seed = ticks;
|
|
sc->sc_ue.ue_eaddr[0] = 0x2a;
|
|
memcpy(&sc->sc_ue.ue_eaddr[1], &seed, sizeof(uint32_t));
|
|
sc->sc_ue.ue_eaddr[5] = device_get_unit(dev);
|
|
|
|
} else {
|
|
|
|
memset(sc->sc_ue.ue_eaddr, 0, sizeof(sc->sc_ue.ue_eaddr));
|
|
|
|
for (i = 0; i != (ETHER_ADDR_LEN * 2); i++) {
|
|
|
|
char c = eaddr_str[i];
|
|
|
|
if ('0' <= c && c <= '9')
|
|
c -= '0';
|
|
else if (c != 0)
|
|
c -= 'A' - 10;
|
|
else
|
|
break;
|
|
|
|
c &= 0xf;
|
|
|
|
if ((i & 1) == 0)
|
|
c <<= 4;
|
|
sc->sc_ue.ue_eaddr[i / 2] |= c;
|
|
}
|
|
|
|
if (uaa->usb_mode == USB_MODE_DEVICE) {
|
|
/*
|
|
* Do not use the same MAC address like the peer !
|
|
*/
|
|
sc->sc_ue.ue_eaddr[5] ^= 0xFF;
|
|
}
|
|
}
|
|
|
|
ue->ue_sc = sc;
|
|
ue->ue_dev = dev;
|
|
ue->ue_udev = uaa->device;
|
|
ue->ue_mtx = &sc->sc_mtx;
|
|
ue->ue_methods = &cdce_ue_methods;
|
|
|
|
error = uether_ifattach(ue);
|
|
if (error) {
|
|
device_printf(dev, "could not attach interface\n");
|
|
goto detach;
|
|
}
|
|
return (0); /* success */
|
|
|
|
detach:
|
|
cdce_detach(dev);
|
|
return (ENXIO); /* failure */
|
|
}
|
|
|
|
static int
|
|
cdce_detach(device_t dev)
|
|
{
|
|
struct cdce_softc *sc = device_get_softc(dev);
|
|
struct usb_ether *ue = &sc->sc_ue;
|
|
|
|
/* stop all USB transfers first */
|
|
usbd_transfer_unsetup(sc->sc_xfer, CDCE_N_TRANSFER);
|
|
uether_ifdetach(ue);
|
|
mtx_destroy(&sc->sc_mtx);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
cdce_start(struct usb_ether *ue)
|
|
{
|
|
struct cdce_softc *sc = uether_getsc(ue);
|
|
|
|
/*
|
|
* Start the USB transfers, if not already started:
|
|
*/
|
|
usbd_transfer_start(sc->sc_xfer[CDCE_BULK_TX]);
|
|
usbd_transfer_start(sc->sc_xfer[CDCE_BULK_RX]);
|
|
}
|
|
|
|
static void
|
|
cdce_free_queue(struct mbuf **ppm, uint8_t n)
|
|
{
|
|
uint8_t x;
|
|
for (x = 0; x != n; x++) {
|
|
if (ppm[x] != NULL) {
|
|
m_freem(ppm[x]);
|
|
ppm[x] = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
cdce_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
{
|
|
struct cdce_softc *sc = usbd_xfer_softc(xfer);
|
|
struct ifnet *ifp = uether_getifp(&sc->sc_ue);
|
|
struct mbuf *m;
|
|
struct mbuf *mt;
|
|
uint32_t crc;
|
|
uint8_t x;
|
|
int actlen, aframes;
|
|
|
|
usbd_xfer_status(xfer, &actlen, NULL, &aframes, NULL);
|
|
|
|
DPRINTFN(1, "\n");
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_TRANSFERRED:
|
|
DPRINTFN(11, "transfer complete: %u bytes in %u frames\n",
|
|
actlen, aframes);
|
|
|
|
ifp->if_opackets++;
|
|
|
|
/* free all previous TX buffers */
|
|
cdce_free_queue(sc->sc_tx_buf, CDCE_FRAMES_MAX);
|
|
|
|
/* FALLTHROUGH */
|
|
case USB_ST_SETUP:
|
|
tr_setup:
|
|
for (x = 0; x != CDCE_FRAMES_MAX; x++) {
|
|
|
|
IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
|
|
|
|
if (m == NULL)
|
|
break;
|
|
|
|
if (sc->sc_flags & CDCE_FLAG_ZAURUS) {
|
|
/*
|
|
* Zaurus wants a 32-bit CRC appended
|
|
* to every frame
|
|
*/
|
|
|
|
crc = cdce_m_crc32(m, 0, m->m_pkthdr.len);
|
|
crc = htole32(crc);
|
|
|
|
if (!m_append(m, 4, (void *)&crc)) {
|
|
m_freem(m);
|
|
ifp->if_oerrors++;
|
|
continue;
|
|
}
|
|
}
|
|
if (m->m_len != m->m_pkthdr.len) {
|
|
mt = m_defrag(m, M_NOWAIT);
|
|
if (mt == NULL) {
|
|
m_freem(m);
|
|
ifp->if_oerrors++;
|
|
continue;
|
|
}
|
|
m = mt;
|
|
}
|
|
if (m->m_pkthdr.len > MCLBYTES) {
|
|
m->m_pkthdr.len = MCLBYTES;
|
|
}
|
|
sc->sc_tx_buf[x] = m;
|
|
usbd_xfer_set_frame_data(xfer, x, m->m_data, m->m_len);
|
|
|
|
/*
|
|
* If there's a BPF listener, bounce a copy of
|
|
* this frame to him:
|
|
*/
|
|
BPF_MTAP(ifp, m);
|
|
}
|
|
if (x != 0) {
|
|
usbd_xfer_set_frames(xfer, x);
|
|
|
|
usbd_transfer_submit(xfer);
|
|
}
|
|
break;
|
|
|
|
default: /* Error */
|
|
DPRINTFN(11, "transfer error, %s\n",
|
|
usbd_errstr(error));
|
|
|
|
/* free all previous TX buffers */
|
|
cdce_free_queue(sc->sc_tx_buf, CDCE_FRAMES_MAX);
|
|
|
|
/* count output errors */
|
|
ifp->if_oerrors++;
|
|
|
|
if (error != USB_ERR_CANCELLED) {
|
|
/* try to clear stall first */
|
|
usbd_xfer_set_stall(xfer);
|
|
goto tr_setup;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int32_t
|
|
cdce_m_crc32_cb(void *arg, void *src, uint32_t count)
|
|
{
|
|
uint32_t *p_crc = arg;
|
|
|
|
*p_crc = crc32_raw(src, count, *p_crc);
|
|
return (0);
|
|
}
|
|
|
|
static uint32_t
|
|
cdce_m_crc32(struct mbuf *m, uint32_t src_offset, uint32_t src_len)
|
|
{
|
|
uint32_t crc = 0xFFFFFFFF;
|
|
int error;
|
|
|
|
error = m_apply(m, src_offset, src_len, cdce_m_crc32_cb, &crc);
|
|
return (crc ^ 0xFFFFFFFF);
|
|
}
|
|
|
|
static void
|
|
cdce_init(struct usb_ether *ue)
|
|
{
|
|
struct cdce_softc *sc = uether_getsc(ue);
|
|
struct ifnet *ifp = uether_getifp(ue);
|
|
|
|
CDCE_LOCK_ASSERT(sc, MA_OWNED);
|
|
|
|
ifp->if_drv_flags |= IFF_DRV_RUNNING;
|
|
|
|
/* start interrupt transfer */
|
|
usbd_transfer_start(sc->sc_xfer[CDCE_INTR_RX]);
|
|
usbd_transfer_start(sc->sc_xfer[CDCE_INTR_TX]);
|
|
|
|
/* stall data write direction, which depends on USB mode */
|
|
usbd_xfer_set_stall(sc->sc_xfer[CDCE_BULK_TX]);
|
|
|
|
/* start data transfers */
|
|
cdce_start(ue);
|
|
}
|
|
|
|
static void
|
|
cdce_stop(struct usb_ether *ue)
|
|
{
|
|
struct cdce_softc *sc = uether_getsc(ue);
|
|
struct ifnet *ifp = uether_getifp(ue);
|
|
|
|
CDCE_LOCK_ASSERT(sc, MA_OWNED);
|
|
|
|
ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
|
|
|
|
/*
|
|
* stop all the transfers, if not already stopped:
|
|
*/
|
|
usbd_transfer_stop(sc->sc_xfer[CDCE_BULK_RX]);
|
|
usbd_transfer_stop(sc->sc_xfer[CDCE_BULK_TX]);
|
|
usbd_transfer_stop(sc->sc_xfer[CDCE_INTR_RX]);
|
|
usbd_transfer_stop(sc->sc_xfer[CDCE_INTR_TX]);
|
|
}
|
|
|
|
static void
|
|
cdce_setmulti(struct usb_ether *ue)
|
|
{
|
|
/* no-op */
|
|
return;
|
|
}
|
|
|
|
static void
|
|
cdce_setpromisc(struct usb_ether *ue)
|
|
{
|
|
/* no-op */
|
|
return;
|
|
}
|
|
|
|
static int
|
|
cdce_suspend(device_t dev)
|
|
{
|
|
device_printf(dev, "Suspending\n");
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
cdce_resume(device_t dev)
|
|
{
|
|
device_printf(dev, "Resuming\n");
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
cdce_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
{
|
|
struct cdce_softc *sc = usbd_xfer_softc(xfer);
|
|
struct mbuf *m;
|
|
uint8_t x;
|
|
int actlen;
|
|
int aframes;
|
|
int len;
|
|
|
|
usbd_xfer_status(xfer, &actlen, NULL, &aframes, NULL);
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_TRANSFERRED:
|
|
|
|
DPRINTF("received %u bytes in %u frames\n", actlen, aframes);
|
|
|
|
for (x = 0; x != aframes; x++) {
|
|
|
|
m = sc->sc_rx_buf[x];
|
|
sc->sc_rx_buf[x] = NULL;
|
|
len = usbd_xfer_frame_len(xfer, x);
|
|
|
|
/* Strip off CRC added by Zaurus, if any */
|
|
if ((sc->sc_flags & CDCE_FLAG_ZAURUS) && len >= 14)
|
|
len -= 4;
|
|
|
|
if (len < (int)sizeof(struct ether_header)) {
|
|
m_freem(m);
|
|
continue;
|
|
}
|
|
/* queue up mbuf */
|
|
uether_rxmbuf(&sc->sc_ue, m, len);
|
|
}
|
|
|
|
/* FALLTHROUGH */
|
|
case USB_ST_SETUP:
|
|
/*
|
|
* TODO: Implement support for multi frame transfers,
|
|
* when the USB hardware supports it.
|
|
*/
|
|
for (x = 0; x != 1; x++) {
|
|
if (sc->sc_rx_buf[x] == NULL) {
|
|
m = uether_newbuf();
|
|
if (m == NULL)
|
|
goto tr_stall;
|
|
sc->sc_rx_buf[x] = m;
|
|
} else {
|
|
m = sc->sc_rx_buf[x];
|
|
}
|
|
|
|
usbd_xfer_set_frame_data(xfer, x, m->m_data, m->m_len);
|
|
}
|
|
/* set number of frames and start hardware */
|
|
usbd_xfer_set_frames(xfer, x);
|
|
usbd_transfer_submit(xfer);
|
|
/* flush any received frames */
|
|
uether_rxflush(&sc->sc_ue);
|
|
break;
|
|
|
|
default: /* Error */
|
|
DPRINTF("error = %s\n",
|
|
usbd_errstr(error));
|
|
|
|
if (error != USB_ERR_CANCELLED) {
|
|
tr_stall:
|
|
/* try to clear stall first */
|
|
usbd_xfer_set_stall(xfer);
|
|
usbd_xfer_set_frames(xfer, 0);
|
|
usbd_transfer_submit(xfer);
|
|
break;
|
|
}
|
|
|
|
/* need to free the RX-mbufs when we are cancelled */
|
|
cdce_free_queue(sc->sc_rx_buf, CDCE_FRAMES_MAX);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
cdce_intr_read_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
{
|
|
int actlen;
|
|
|
|
usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_TRANSFERRED:
|
|
|
|
DPRINTF("Received %d bytes\n", actlen);
|
|
|
|
/* TODO: decode some indications */
|
|
|
|
/* FALLTHROUGH */
|
|
case USB_ST_SETUP:
|
|
tr_setup:
|
|
usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
|
|
usbd_transfer_submit(xfer);
|
|
break;
|
|
|
|
default: /* Error */
|
|
if (error != USB_ERR_CANCELLED) {
|
|
/* start clear stall */
|
|
usbd_xfer_set_stall(xfer);
|
|
goto tr_setup;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
cdce_intr_write_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
{
|
|
int actlen;
|
|
|
|
usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_TRANSFERRED:
|
|
|
|
DPRINTF("Transferred %d bytes\n", actlen);
|
|
|
|
/* FALLTHROUGH */
|
|
case USB_ST_SETUP:
|
|
tr_setup:
|
|
#if 0
|
|
usbd_xfer_set_frame_len(xfer, 0, XXX);
|
|
usbd_transfer_submit(xfer);
|
|
#endif
|
|
break;
|
|
|
|
default: /* Error */
|
|
if (error != USB_ERR_CANCELLED) {
|
|
/* start clear stall */
|
|
usbd_xfer_set_stall(xfer);
|
|
goto tr_setup;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int
|
|
cdce_handle_request(device_t dev,
|
|
const void *req, void **pptr, uint16_t *plen,
|
|
uint16_t offset, uint8_t *pstate)
|
|
{
|
|
return (ENXIO); /* use builtin handler */
|
|
}
|
|
|
|
#if CDCE_HAVE_NCM
|
|
static void
|
|
cdce_ncm_tx_zero(struct usb_page_cache *pc,
|
|
uint32_t start, uint32_t end)
|
|
{
|
|
if (start >= CDCE_NCM_TX_MAXLEN)
|
|
return;
|
|
if (end > CDCE_NCM_TX_MAXLEN)
|
|
end = CDCE_NCM_TX_MAXLEN;
|
|
|
|
usbd_frame_zero(pc, start, end - start);
|
|
}
|
|
|
|
static uint8_t
|
|
cdce_ncm_fill_tx_frames(struct usb_xfer *xfer, uint8_t index)
|
|
{
|
|
struct cdce_softc *sc = usbd_xfer_softc(xfer);
|
|
struct ifnet *ifp = uether_getifp(&sc->sc_ue);
|
|
struct usb_page_cache *pc = usbd_xfer_get_frame(xfer, index);
|
|
struct mbuf *m;
|
|
uint32_t rem;
|
|
uint32_t offset;
|
|
uint32_t last_offset;
|
|
uint16_t n;
|
|
uint8_t retval;
|
|
|
|
usbd_xfer_set_frame_offset(xfer, index * CDCE_NCM_TX_MAXLEN, index);
|
|
|
|
offset = sizeof(sc->sc_ncm.hdr) +
|
|
sizeof(sc->sc_ncm.dpt) + sizeof(sc->sc_ncm.dp);
|
|
|
|
/* Store last valid offset before alignment */
|
|
last_offset = offset;
|
|
|
|
/* Align offset */
|
|
offset = CDCE_NCM_ALIGN(sc->sc_ncm.tx_remainder,
|
|
offset, sc->sc_ncm.tx_modulus);
|
|
|
|
/* Zero pad */
|
|
cdce_ncm_tx_zero(pc, last_offset, offset);
|
|
|
|
/* buffer full */
|
|
retval = 2;
|
|
|
|
for (n = 0; n != sc->sc_ncm.tx_nframe; n++) {
|
|
|
|
/* check if end of transmit buffer is reached */
|
|
|
|
if (offset >= sc->sc_ncm.tx_max)
|
|
break;
|
|
|
|
/* compute maximum buffer size */
|
|
|
|
rem = sc->sc_ncm.tx_max - offset;
|
|
|
|
IFQ_DRV_DEQUEUE(&(ifp->if_snd), m);
|
|
|
|
if (m == NULL) {
|
|
/* buffer not full */
|
|
retval = 1;
|
|
break;
|
|
}
|
|
|
|
if (m->m_pkthdr.len > (int)rem) {
|
|
if (n == 0) {
|
|
/* The frame won't fit in our buffer */
|
|
DPRINTFN(1, "Frame too big to be transmitted!\n");
|
|
m_freem(m);
|
|
ifp->if_oerrors++;
|
|
n--;
|
|
continue;
|
|
}
|
|
/* Wait till next buffer becomes ready */
|
|
IFQ_DRV_PREPEND(&(ifp->if_snd), m);
|
|
break;
|
|
}
|
|
usbd_m_copy_in(pc, offset, m, 0, m->m_pkthdr.len);
|
|
|
|
USETW(sc->sc_ncm.dp[n].wFrameLength, m->m_pkthdr.len);
|
|
USETW(sc->sc_ncm.dp[n].wFrameIndex, offset);
|
|
|
|
/* Update offset */
|
|
offset += m->m_pkthdr.len;
|
|
|
|
/* Store last valid offset before alignment */
|
|
last_offset = offset;
|
|
|
|
/* Align offset */
|
|
offset = CDCE_NCM_ALIGN(sc->sc_ncm.tx_remainder,
|
|
offset, sc->sc_ncm.tx_modulus);
|
|
|
|
/* Zero pad */
|
|
cdce_ncm_tx_zero(pc, last_offset, offset);
|
|
|
|
/*
|
|
* If there's a BPF listener, bounce a copy
|
|
* of this frame to him:
|
|
*/
|
|
BPF_MTAP(ifp, m);
|
|
|
|
/* Free mbuf */
|
|
|
|
m_freem(m);
|
|
|
|
/* Pre-increment interface counter */
|
|
|
|
ifp->if_opackets++;
|
|
}
|
|
|
|
if (n == 0)
|
|
return (0);
|
|
|
|
rem = (sizeof(sc->sc_ncm.dpt) + (4 * n) + 4);
|
|
|
|
USETW(sc->sc_ncm.dpt.wLength, rem);
|
|
|
|
/* zero the rest of the data pointer entries */
|
|
for (; n != CDCE_NCM_SUBFRAMES_MAX; n++) {
|
|
USETW(sc->sc_ncm.dp[n].wFrameLength, 0);
|
|
USETW(sc->sc_ncm.dp[n].wFrameIndex, 0);
|
|
}
|
|
|
|
offset = last_offset;
|
|
|
|
/* Align offset */
|
|
offset = CDCE_NCM_ALIGN(0, offset, CDCE_NCM_TX_MINLEN);
|
|
|
|
/* Optimise, save bandwidth and force short termination */
|
|
if (offset >= sc->sc_ncm.tx_max)
|
|
offset = sc->sc_ncm.tx_max;
|
|
else
|
|
offset ++;
|
|
|
|
/* Zero pad */
|
|
cdce_ncm_tx_zero(pc, last_offset, offset);
|
|
|
|
/* set frame length */
|
|
usbd_xfer_set_frame_len(xfer, index, offset);
|
|
|
|
/* Fill out 16-bit header */
|
|
sc->sc_ncm.hdr.dwSignature[0] = 'N';
|
|
sc->sc_ncm.hdr.dwSignature[1] = 'C';
|
|
sc->sc_ncm.hdr.dwSignature[2] = 'M';
|
|
sc->sc_ncm.hdr.dwSignature[3] = 'H';
|
|
USETW(sc->sc_ncm.hdr.wHeaderLength, sizeof(sc->sc_ncm.hdr));
|
|
USETW(sc->sc_ncm.hdr.wBlockLength, offset);
|
|
USETW(sc->sc_ncm.hdr.wSequence, sc->sc_ncm.tx_seq);
|
|
USETW(sc->sc_ncm.hdr.wDptIndex, sizeof(sc->sc_ncm.hdr));
|
|
|
|
sc->sc_ncm.tx_seq++;
|
|
|
|
/* Fill out 16-bit frame table header */
|
|
sc->sc_ncm.dpt.dwSignature[0] = 'N';
|
|
sc->sc_ncm.dpt.dwSignature[1] = 'C';
|
|
sc->sc_ncm.dpt.dwSignature[2] = 'M';
|
|
sc->sc_ncm.dpt.dwSignature[3] = '0';
|
|
USETW(sc->sc_ncm.dpt.wNextNdpIndex, 0); /* reserved */
|
|
|
|
usbd_copy_in(pc, 0, &(sc->sc_ncm.hdr), sizeof(sc->sc_ncm.hdr));
|
|
usbd_copy_in(pc, sizeof(sc->sc_ncm.hdr), &(sc->sc_ncm.dpt),
|
|
sizeof(sc->sc_ncm.dpt));
|
|
usbd_copy_in(pc, sizeof(sc->sc_ncm.hdr) + sizeof(sc->sc_ncm.dpt),
|
|
&(sc->sc_ncm.dp), sizeof(sc->sc_ncm.dp));
|
|
return (retval);
|
|
}
|
|
|
|
static void
|
|
cdce_ncm_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
{
|
|
struct cdce_softc *sc = usbd_xfer_softc(xfer);
|
|
struct ifnet *ifp = uether_getifp(&sc->sc_ue);
|
|
uint16_t x;
|
|
uint8_t temp;
|
|
int actlen;
|
|
int aframes;
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_TRANSFERRED:
|
|
|
|
usbd_xfer_status(xfer, &actlen, NULL, &aframes, NULL);
|
|
|
|
DPRINTFN(10, "transfer complete: "
|
|
"%u bytes in %u frames\n", actlen, aframes);
|
|
|
|
case USB_ST_SETUP:
|
|
for (x = 0; x != CDCE_NCM_TX_FRAMES_MAX; x++) {
|
|
temp = cdce_ncm_fill_tx_frames(xfer, x);
|
|
if (temp == 0)
|
|
break;
|
|
if (temp == 1) {
|
|
x++;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (x != 0) {
|
|
#ifdef USB_DEBUG
|
|
usbd_xfer_set_interval(xfer, cdce_tx_interval);
|
|
#endif
|
|
usbd_xfer_set_frames(xfer, x);
|
|
usbd_transfer_submit(xfer);
|
|
}
|
|
break;
|
|
|
|
default: /* Error */
|
|
DPRINTFN(10, "Transfer error: %s\n",
|
|
usbd_errstr(error));
|
|
|
|
/* update error counter */
|
|
ifp->if_oerrors += 1;
|
|
|
|
if (error != USB_ERR_CANCELLED) {
|
|
/* try to clear stall first */
|
|
usbd_xfer_set_stall(xfer);
|
|
usbd_xfer_set_frames(xfer, 0);
|
|
usbd_transfer_submit(xfer);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
cdce_ncm_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
{
|
|
struct cdce_softc *sc = usbd_xfer_softc(xfer);
|
|
struct usb_page_cache *pc = usbd_xfer_get_frame(xfer, 0);
|
|
struct ifnet *ifp = uether_getifp(&sc->sc_ue);
|
|
struct mbuf *m;
|
|
int sumdata;
|
|
int sumlen;
|
|
int actlen;
|
|
int aframes;
|
|
int temp;
|
|
int nframes;
|
|
int x;
|
|
int offset;
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_TRANSFERRED:
|
|
|
|
usbd_xfer_status(xfer, &actlen, &sumlen, &aframes, NULL);
|
|
|
|
DPRINTFN(1, "received %u bytes in %u frames\n",
|
|
actlen, aframes);
|
|
|
|
if (actlen < (int)(sizeof(sc->sc_ncm.hdr) +
|
|
sizeof(sc->sc_ncm.dpt))) {
|
|
DPRINTFN(1, "frame too short\n");
|
|
goto tr_setup;
|
|
}
|
|
usbd_copy_out(pc, 0, &(sc->sc_ncm.hdr),
|
|
sizeof(sc->sc_ncm.hdr));
|
|
|
|
if ((sc->sc_ncm.hdr.dwSignature[0] != 'N') ||
|
|
(sc->sc_ncm.hdr.dwSignature[1] != 'C') ||
|
|
(sc->sc_ncm.hdr.dwSignature[2] != 'M') ||
|
|
(sc->sc_ncm.hdr.dwSignature[3] != 'H')) {
|
|
DPRINTFN(1, "invalid HDR signature: "
|
|
"0x%02x:0x%02x:0x%02x:0x%02x\n",
|
|
sc->sc_ncm.hdr.dwSignature[0],
|
|
sc->sc_ncm.hdr.dwSignature[1],
|
|
sc->sc_ncm.hdr.dwSignature[2],
|
|
sc->sc_ncm.hdr.dwSignature[3]);
|
|
goto tr_stall;
|
|
}
|
|
temp = UGETW(sc->sc_ncm.hdr.wBlockLength);
|
|
if (temp > sumlen) {
|
|
DPRINTFN(1, "unsupported block length %u/%u\n",
|
|
temp, sumlen);
|
|
goto tr_stall;
|
|
}
|
|
temp = UGETW(sc->sc_ncm.hdr.wDptIndex);
|
|
if ((int)(temp + sizeof(sc->sc_ncm.dpt)) > actlen) {
|
|
DPRINTFN(1, "invalid DPT index: 0x%04x\n", temp);
|
|
goto tr_stall;
|
|
}
|
|
usbd_copy_out(pc, temp, &(sc->sc_ncm.dpt),
|
|
sizeof(sc->sc_ncm.dpt));
|
|
|
|
if ((sc->sc_ncm.dpt.dwSignature[0] != 'N') ||
|
|
(sc->sc_ncm.dpt.dwSignature[1] != 'C') ||
|
|
(sc->sc_ncm.dpt.dwSignature[2] != 'M') ||
|
|
(sc->sc_ncm.dpt.dwSignature[3] != '0')) {
|
|
DPRINTFN(1, "invalid DPT signature"
|
|
"0x%02x:0x%02x:0x%02x:0x%02x\n",
|
|
sc->sc_ncm.dpt.dwSignature[0],
|
|
sc->sc_ncm.dpt.dwSignature[1],
|
|
sc->sc_ncm.dpt.dwSignature[2],
|
|
sc->sc_ncm.dpt.dwSignature[3]);
|
|
goto tr_stall;
|
|
}
|
|
nframes = UGETW(sc->sc_ncm.dpt.wLength) / 4;
|
|
|
|
/* Subtract size of header and last zero padded entry */
|
|
if (nframes >= (2 + 1))
|
|
nframes -= (2 + 1);
|
|
else
|
|
nframes = 0;
|
|
|
|
DPRINTFN(1, "nframes = %u\n", nframes);
|
|
|
|
temp += sizeof(sc->sc_ncm.dpt);
|
|
|
|
if ((temp + (4 * nframes)) > actlen)
|
|
goto tr_stall;
|
|
|
|
if (nframes > CDCE_NCM_SUBFRAMES_MAX) {
|
|
DPRINTFN(1, "Truncating number of frames from %u to %u\n",
|
|
nframes, CDCE_NCM_SUBFRAMES_MAX);
|
|
nframes = CDCE_NCM_SUBFRAMES_MAX;
|
|
}
|
|
usbd_copy_out(pc, temp, &(sc->sc_ncm.dp), (4 * nframes));
|
|
|
|
sumdata = 0;
|
|
|
|
for (x = 0; x != nframes; x++) {
|
|
|
|
offset = UGETW(sc->sc_ncm.dp[x].wFrameIndex);
|
|
temp = UGETW(sc->sc_ncm.dp[x].wFrameLength);
|
|
|
|
if ((offset == 0) ||
|
|
(temp < (int)sizeof(struct ether_header)) ||
|
|
(temp > (MCLBYTES - ETHER_ALIGN))) {
|
|
DPRINTFN(1, "NULL frame detected at %d\n", x);
|
|
m = NULL;
|
|
/* silently ignore this frame */
|
|
continue;
|
|
} else if ((offset + temp) > actlen) {
|
|
DPRINTFN(1, "invalid frame "
|
|
"detected at %d\n", x);
|
|
m = NULL;
|
|
/* silently ignore this frame */
|
|
continue;
|
|
} else if (temp > (int)(MHLEN - ETHER_ALIGN)) {
|
|
m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
|
|
} else {
|
|
m = m_gethdr(M_NOWAIT, MT_DATA);
|
|
}
|
|
|
|
DPRINTFN(16, "frame %u, offset = %u, length = %u \n",
|
|
x, offset, temp);
|
|
|
|
/* check if we have a buffer */
|
|
if (m) {
|
|
m_adj(m, ETHER_ALIGN);
|
|
|
|
usbd_copy_out(pc, offset, m->m_data, temp);
|
|
|
|
/* enqueue */
|
|
uether_rxmbuf(&sc->sc_ue, m, temp);
|
|
|
|
sumdata += temp;
|
|
} else {
|
|
ifp->if_ierrors++;
|
|
}
|
|
}
|
|
|
|
DPRINTFN(1, "Efficiency: %u/%u bytes\n", sumdata, actlen);
|
|
|
|
case USB_ST_SETUP:
|
|
tr_setup:
|
|
usbd_xfer_set_frame_len(xfer, 0, sc->sc_ncm.rx_max);
|
|
usbd_xfer_set_frames(xfer, 1);
|
|
usbd_transfer_submit(xfer);
|
|
uether_rxflush(&sc->sc_ue); /* must be last */
|
|
break;
|
|
|
|
default: /* Error */
|
|
DPRINTFN(1, "error = %s\n",
|
|
usbd_errstr(error));
|
|
|
|
if (error != USB_ERR_CANCELLED) {
|
|
tr_stall:
|
|
/* try to clear stall first */
|
|
usbd_xfer_set_stall(xfer);
|
|
usbd_xfer_set_frames(xfer, 0);
|
|
usbd_transfer_submit(xfer);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
#endif
|