// SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) /* * Copyright (C) ST-Ericsson 2010-2012 * Contact: Alexey Orishko <[email protected]> * Original author: Hans Petter Selasky <[email protected]> * * USB Host Driver for Network Control Model (NCM) * http://www.usb.org/developers/devclass_docs/NCM10.zip * * The NCM encoding, decoding and initialization logic * derives from FreeBSD 8.x. if_cdce.c and if_cdcereg.h * * This software is available to you under a choice of one of two * licenses. You may choose this file to be licensed under the terms * of the GNU General Public License (GPL) Version 2 or the 2-clause * BSD license listed below: * * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 THE AUTHOR OR 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. */ #ifndef __LINUX_USB_CDC_NCM_H #define __LINUX_USB_CDC_NCM_H #define CDC_NCM_COMM_ALTSETTING_NCM … #define CDC_NCM_COMM_ALTSETTING_MBIM … #define CDC_NCM_DATA_ALTSETTING_NCM … #define CDC_NCM_DATA_ALTSETTING_MBIM … /* CDC NCM subclass 3.3.1 */ #define USB_CDC_NCM_NDP16_LENGTH_MIN … /* CDC NCM subclass 3.3.2 */ #define USB_CDC_NCM_NDP32_LENGTH_MIN … /* Maximum NTB length */ #define CDC_NCM_NTB_MAX_SIZE_TX … #define CDC_NCM_NTB_MAX_SIZE_RX … /* Initial NTB length */ #define CDC_NCM_NTB_DEF_SIZE_TX … #define CDC_NCM_NTB_DEF_SIZE_RX … /* Minimum value for MaxDatagramSize, ch. 6.2.9 */ #define CDC_NCM_MIN_DATAGRAM_SIZE … /* Minimum value for MaxDatagramSize, ch. 8.1.3 */ #define CDC_MBIM_MIN_DATAGRAM_SIZE … #define CDC_NCM_MIN_TX_PKT … /* Default value for MaxDatagramSize */ #define CDC_NCM_MAX_DATAGRAM_SIZE … /* * Maximum amount of datagrams in NCM Datagram Pointer Table, not counting * the last NULL entry. */ #define CDC_NCM_DPT_DATAGRAMS_MAX … /* Restart the timer, if amount of datagrams is less than given value */ #define CDC_NCM_RESTART_TIMER_DATAGRAM_CNT … #define CDC_NCM_TIMER_PENDING_CNT … #define CDC_NCM_TIMER_INTERVAL_USEC … #define CDC_NCM_TIMER_INTERVAL_MIN … #define CDC_NCM_TIMER_INTERVAL_MAX … /* Driver flags */ #define CDC_NCM_FLAG_NDP_TO_END … #define CDC_MBIM_FLAG_AVOID_ALTSETTING_TOGGLE … #define CDC_NCM_FLAG_PREFER_NTB32 … #define cdc_ncm_comm_intf_is_mbim(x) … #define cdc_ncm_data_intf_is_mbim(x) … struct cdc_ncm_ctx { … }; u8 cdc_ncm_select_altsetting(struct usb_interface *intf); int cdc_ncm_change_mtu(struct net_device *net, int new_mtu); int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting, int drvflags); void cdc_ncm_unbind(struct usbnet *dev, struct usb_interface *intf); struct sk_buff *cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign); int cdc_ncm_rx_verify_nth16(struct cdc_ncm_ctx *ctx, struct sk_buff *skb_in); int cdc_ncm_rx_verify_ndp16(struct sk_buff *skb_in, int ndpoffset); int cdc_ncm_rx_verify_nth32(struct cdc_ncm_ctx *ctx, struct sk_buff *skb_in); int cdc_ncm_rx_verify_ndp32(struct sk_buff *skb_in, int ndpoffset); struct sk_buff * cdc_ncm_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags); int cdc_ncm_rx_fixup(struct usbnet *dev, struct sk_buff *skb_in); #endif /* __LINUX_USB_CDC_NCM_H */
Codebase Browser
linux