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f0c393f781
We can now set promisc and allmulti modes. Filtering of given multicast addresses is not supported. Changing the mode is done by sending a command described in: "USB CDC Subclass Specification for Ethernet Devices v1.2, section 6.2.4". This means that at least in theory this feature should work with all modems that are using this driver. This fixes Huawei E3372h-320 running new firmware in "HiLink" mode. Previously it would reset a few seconds after its mode was changed with "usb_modeswitch". Setting RX filter to default value at the end of attach function fixed that. Sponsored by: Stormshield Obtained from: Semihalf Differential revision: https://reviews.freebsd.org/D31766 MFC after: 2 weeks Reviewed by: hps
125 lines
4.1 KiB
C
125 lines
4.1 KiB
C
/*-
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* SPDX-License-Identifier: BSD-4-Clause
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*
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* Copyright (c) 2003-2005 Craig Boston
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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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* $FreeBSD$
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*/
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#ifndef _USB_IF_CDCEREG_H_
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#define _USB_IF_CDCEREG_H_
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#define CDCE_BIT(x) (1 << (x))
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#define CDCE_FRAMES_MAX 8 /* units */
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#define CDCE_IND_SIZE_MAX 32 /* bytes */
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#define CDCE_NCM_TX_MINLEN 512 /* bytes, must be power of two */
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#define CDCE_NCM_TX_MAXLEN (16384 + 4) /* bytes, must be short terminated */
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#define CDCE_NCM_TX_FRAMES_MAX 8 /* units */
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#define CDCE_NCM_RX_MAXLEN (1UL << 14) /* bytes */
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#define CDCE_NCM_RX_FRAMES_MAX 1 /* units */
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#define CDCE_NCM_SUBFRAMES_MAX 32 /* units */
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#define CDCE_NCM_ALIGN(rem,off,mod) \
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((uint32_t)(((uint32_t)(rem)) - \
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((uint32_t)((-(uint32_t)(off)) & (-(uint32_t)(mod))))))
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#ifndef CDCE_HAVE_NCM
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#define CDCE_HAVE_NCM 1
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#endif
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enum {
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CDCE_BULK_RX,
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CDCE_BULK_TX,
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CDCE_INTR_RX,
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CDCE_INTR_TX,
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CDCE_N_TRANSFER,
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};
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struct cdce_ncm {
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struct usb_ncm16_hdr hdr;
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struct usb_ncm16_dpt dpt;
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struct usb_ncm16_dp dp[CDCE_NCM_SUBFRAMES_MAX];
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uint32_t rx_max;
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uint32_t tx_max;
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uint16_t tx_remainder;
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uint16_t tx_modulus;
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uint16_t tx_struct_align;
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uint16_t tx_seq;
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uint16_t tx_nframe;
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};
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struct cdce_softc {
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struct usb_ether sc_ue;
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struct mtx sc_mtx;
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#if CDCE_HAVE_NCM
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struct cdce_ncm sc_ncm;
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#endif
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struct usb_xfer *sc_xfer[CDCE_N_TRANSFER];
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struct mbuf *sc_rx_buf[CDCE_FRAMES_MAX];
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struct mbuf *sc_tx_buf[CDCE_FRAMES_MAX];
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struct ifmedia sc_media;
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int sc_flags;
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#define CDCE_FLAG_ZAURUS 0x0001
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#define CDCE_FLAG_NO_UNION 0x0002
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#define CDCE_FLAG_RX_DATA 0x0010
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#define CDCE_FLAG_VLAN 0x0020
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uint8_t sc_eaddr_str_index;
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uint8_t sc_ifaces_index[2];
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uint8_t sc_notify_state;
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#define CDCE_NOTIFY_NETWORK_CONNECTION 0
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#define CDCE_NOTIFY_SPEED_CHANGE 1
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#define CDCE_NOTIFY_DONE 2
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};
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/*
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* Taken from USB CDC Subclass Specification for Ethernet Devices v1.2,
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* section 6.2.4.
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*/
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#define CDC_SET_ETHERNET_PACKET_FILTER 0x43 /* Command code. */
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#define CDC_PACKET_TYPE_PROMISC CDCE_BIT(0)
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#define CDC_PACKET_TYPE_ALL_MULTICAST CDCE_BIT(1) /* Allmulti. */
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#define CDC_PACKET_TYPE_DIRECTED CDCE_BIT(2) /* Filter unicast by mac. */
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#define CDC_PACKET_TYPE_BROADCAST CDCE_BIT(3)
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#define CDC_PACKET_TYPE_MULTICAST CDCE_BIT(4) /* Multicast filtering, not supported. */
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#define CDCE_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
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#define CDCE_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx)
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#define CDCE_LOCK_ASSERT(_sc, t) mtx_assert(&(_sc)->sc_mtx, t)
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#endif /* _USB_IF_CDCEREG_H_ */
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