67c3c3c2d5
as the code calls the usb stack (which can sleep) while holding the driver lock. This leads to a deadlock.
192 lines
5.4 KiB
C
192 lines
5.4 KiB
C
/*
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* Copyright (c) 1997, 1998, 1999, 2000
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* Bill Paul <wpaul@ee.columbia.edu>. 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 OR THE VOICES IN HIS HEAD
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* Definitions for the CATC Netmate II USB to ethernet controller.
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*/
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/*
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* Vendor specific control commands.
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*/
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#define CUE_CMD_RESET 0xF4
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#define CUE_CMD_GET_MACADDR 0xF2
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#define CUE_CMD_WRITEREG 0xFA
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#define CUE_CMD_READREG 0xFB
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#define CUE_CMD_READSRAM 0xF1
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#define CUE_CMD_WRITESRAM 0xFC
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/*
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* Internal registers
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*/
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#define CUE_TX_BUFCNT 0x20
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#define CUE_RX_BUFCNT 0x21
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#define CUE_ADVANCED_OPMODES 0x22
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#define CUE_TX_BUFPKTS 0x23
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#define CUE_RX_BUFPKTS 0x24
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#define CUE_RX_MAXCHAIN 0x25
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#define CUE_ETHCTL 0x60
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#define CUE_ETHSTS 0x61
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#define CUE_PAR5 0x62
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#define CUE_PAR4 0x63
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#define CUE_PAR3 0x64
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#define CUE_PAR2 0x65
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#define CUE_PAR1 0x66
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#define CUE_PAR0 0x67
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/* Error counters, all 16 bits wide. */
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#define CUE_TX_SINGLECOLL 0x69
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#define CUE_TX_MULTICOLL 0x6B
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#define CUE_TX_EXCESSCOLL 0x6D
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#define CUE_RX_FRAMEERR 0x6F
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#define CUE_LEDCTL 0x81
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/* Advenced operating mode register */
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#define CUE_AOP_SRAMWAITS 0x03
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#define CUE_AOP_EMBED_RXLEN 0x08
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#define CUE_AOP_RXCOMBINE 0x10
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#define CUE_AOP_TXCOMBINE 0x20
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#define CUE_AOP_EVEN_PKT_READS 0x40
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#define CUE_AOP_LOOPBK 0x80
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/* Ethernet control register */
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#define CUE_ETHCTL_RX_ON 0x01
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#define CUE_ETHCTL_LINK_POLARITY 0x02
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#define CUE_ETHCTL_LINK_FORCE_OK 0x04
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#define CUE_ETHCTL_MCAST_ON 0x08
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#define CUE_ETHCTL_PROMISC 0x10
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/* Ethernet status register */
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#define CUE_ETHSTS_NO_CARRIER 0x01
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#define CUE_ETHSTS_LATECOLL 0x02
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#define CUE_ETHSTS_EXCESSCOLL 0x04
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#define CUE_ETHSTS_TXBUF_AVAIL 0x08
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#define CUE_ETHSTS_BAD_POLARITY 0x10
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#define CUE_ETHSTS_LINK_OK 0x20
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/* LED control register */
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#define CUE_LEDCTL_BLINK_1X 0x00
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#define CUE_LEDCTL_BLINK_2X 0x01
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#define CUE_LEDCTL_BLINK_QUARTER_ON 0x02
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#define CUE_LEDCTL_BLINK_QUARTER_OFF 0x03
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#define CUE_LEDCTL_OFF 0x04
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#define CUE_LEDCTL_FOLLOW_LINK 0x08
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/*
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* Address in ASIC's internal SRAM where the
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* multicast hash table lives. The table is 64 bytes long,
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* giving us a 512-bit table. We have to set the bit that
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* corresponds to the broadcast address in order to enable
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* reception of broadcast frames.
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*/
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#define CUE_MCAST_TABLE_ADDR 0xFA80
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#define CUE_MCAST_TABLE_LEN 64
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#define CUE_TIMEOUT 1000
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#define ETHER_ALIGN 2
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#define CUE_BUFSZ 1536
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#define CUE_MIN_FRAMELEN 60
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#define CUE_RX_FRAMES 1
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#define CUE_TX_FRAMES 1
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#define CUE_RX_LIST_CNT 1
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#define CUE_TX_LIST_CNT 1
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#define CUE_CTL_READ 0x01
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#define CUE_CTL_WRITE 0x02
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#define CUE_CONFIG_NO 1
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/*
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* The interrupt endpoint is currently unused
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* by the KLSI part.
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*/
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#define CUE_ENDPT_RX 0x0
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#define CUE_ENDPT_TX 0x1
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#define CUE_ENDPT_INTR 0x2
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#define CUE_ENDPT_MAX 0x3
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struct cue_type {
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u_int16_t cue_vid;
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u_int16_t cue_did;
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};
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struct cue_softc;
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struct cue_chain {
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struct cue_softc *cue_sc;
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usbd_xfer_handle cue_xfer;
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char *cue_buf;
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struct mbuf *cue_mbuf;
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int cue_accum;
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int cue_idx;
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};
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struct cue_cdata {
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struct cue_chain cue_tx_chain[CUE_TX_LIST_CNT];
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struct cue_chain cue_rx_chain[CUE_RX_LIST_CNT];
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int cue_tx_prod;
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int cue_tx_cons;
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int cue_tx_cnt;
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int cue_rx_prod;
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};
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#define CUE_INC(x, y) (x) = (x + 1) % y
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struct cue_softc {
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struct arpcom arpcom;
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usbd_device_handle cue_udev;
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usbd_interface_handle cue_iface;
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int cue_ed[CUE_ENDPT_MAX];
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usbd_pipe_handle cue_ep[CUE_ENDPT_MAX];
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int cue_unit;
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u_int8_t cue_mctab[CUE_MCAST_TABLE_LEN];
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int cue_if_flags;
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u_int8_t cue_gone;
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u_int16_t cue_rxfilt;
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struct cue_cdata cue_cdata;
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struct callout_handle cue_stat_ch;
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struct mtx cue_mtx;
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};
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#if 0
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#define CUE_LOCK(_sc) mtx_lock(&(_sc)->cue_mtx)
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#define CUE_UNLOCK(_sc) mtx_unlock(&(_sc)->cue_mtx)
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#else
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#define CUE_LOCK(_sc)
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#define CUE_UNLOCK(_sc)
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#endif
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