diff options
Diffstat (limited to 'sys/dev/pcmcia/if_cnw.c')
| -rw-r--r-- | sys/dev/pcmcia/if_cnw.c | 843 |
1 files changed, 0 insertions, 843 deletions
diff --git a/sys/dev/pcmcia/if_cnw.c b/sys/dev/pcmcia/if_cnw.c deleted file mode 100644 index 860c22b9cc6..00000000000 --- a/sys/dev/pcmcia/if_cnw.c +++ /dev/null @@ -1,843 +0,0 @@ -/* $OpenBSD: if_cnw.c,v 1.36 2016/04/13 10:49:26 mpi Exp $ */ -/*- - * Copyright (c) 1998 The NetBSD Foundation, Inc. - * All rights reserved. - * - * This code is derived from software contributed to The NetBSD Foundation - * by Michael Eriksson. - * - * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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. - */ - -/* - * This is a driver for the Xircom CreditCard Netwave (also known as - * the Netwave Airsurfer) wireless LAN PCMCIA adapter. - * - * When this driver was developed, the Linux Netwave driver was used - * as a hardware manual. That driver is Copyright (c) 1997 University - * of Tromsų, Norway. It is part of the Linux pcmcia-cs package that - * can be found at http://pcmcia-cs.sourceforge.net/. The most - * recent version of the pcmcia-cs package when this driver was - * written was 3.0.6. - * - * Unfortunately, a lot of explicit numeric constants were used in the - * Linux driver. I have tried to use symbolic names whenever possible, - * but since I don't have any real hardware documentation, there's - * still one or two "magic numbers" :-(. - * - * Driver limitations: This driver doesn't do multicasting or receiver - * promiscuity, because of missing hardware documentation. I couldn't - * get receiver promiscuity to work, and I haven't even tried - * multicast. Volunteers are welcome, of course :-). - */ - -#include "bpfilter.h" - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/device.h> -#include <sys/socket.h> -#include <sys/mbuf.h> -#include <sys/ioctl.h> - -#include <dev/pcmcia/if_cnwreg.h> - -#include <dev/pcmcia/pcmciavar.h> -#include <dev/pcmcia/pcmciadevs.h> - -#include <net/if.h> - -#include <netinet/in.h> -#include <netinet/if_ether.h> - -#if NBPFILTER > 0 -#include <net/bpf.h> -#endif - - -/* - * Let these be patchable variables, initialized from macros that can - * be set in the kernel config file. Someone with lots of spare time - * could probably write a nice Netwave configuration program to do - * this a little bit more elegantly :-). - */ -#ifndef CNW_DOMAIN -#define CNW_DOMAIN 0x100 -#endif -int cnw_domain = CNW_DOMAIN; /* Domain */ -#ifndef CNW_SCRAMBLEKEY -#define CNW_SCRAMBLEKEY 0 -#endif -int cnw_skey = CNW_SCRAMBLEKEY; /* Scramble key */ - - -int cnw_match(struct device *, void *, void *); -void cnw_attach(struct device *, struct device *, void *); -int cnw_detach(struct device *, int); -int cnw_activate(struct device *, int); - -struct cnw_softc { - struct device sc_dev; /* Device glue (must be first) */ - struct arpcom sc_arpcom; /* Ethernet common part */ - int sc_domain; /* Netwave domain */ - int sc_skey; /* Netwave scramble key */ - - /* PCMCIA-specific stuff */ - struct pcmcia_function *sc_pf; /* PCMCIA function */ - struct pcmcia_io_handle sc_pcioh; /* PCMCIA I/O space handle */ - int sc_iowin; /* ...window */ - bus_space_tag_t sc_iot; /* ...bus_space tag */ - bus_space_handle_t sc_ioh; /* ...bus_space handle */ - struct pcmcia_mem_handle sc_pcmemh; /* PCMCIA memory handle */ - bus_addr_t sc_memoff; /* ...offset */ - int sc_memwin; /* ...window */ - bus_space_tag_t sc_memt; /* ...bus_space tag */ - bus_space_handle_t sc_memh; /* ...bus_space handle */ - void *sc_ih; /* Interrupt cookie */ -}; - -struct cfattach cnw_ca = { - sizeof(struct cnw_softc), cnw_match, cnw_attach, - cnw_detach, cnw_activate -}; - -struct cfdriver cnw_cd = { - NULL, "cnw", DV_IFNET -}; - -void cnw_reset(struct cnw_softc *); -void cnw_init(struct cnw_softc *); -int cnw_enable(struct cnw_softc *sc); -void cnw_disable(struct cnw_softc *sc); -void cnw_config(struct cnw_softc *sc, u_int8_t *); -void cnw_start(struct ifnet *); -void cnw_transmit(struct cnw_softc *, struct mbuf *); -struct mbuf *cnw_read(struct cnw_softc *); -void cnw_recv(struct cnw_softc *); -int cnw_intr(void *arg); -int cnw_ioctl(struct ifnet *, u_long, caddr_t); -void cnw_watchdog(struct ifnet *); - -/* ---------------------------------------------------------------- */ - -/* Help routines */ -static int wait_WOC(struct cnw_softc *, int); -static int read16(struct cnw_softc *, int); -static int cnw_cmd(struct cnw_softc *, int, int, int, int); - -/* - * Wait until the WOC (Write Operation Complete) bit in the - * ASR (Adapter Status Register) is asserted. - */ -static int -wait_WOC(sc, line) - struct cnw_softc *sc; - int line; -{ - int i, asr; - - for (i = 0; i < 5000; i++) { - asr = bus_space_read_1(sc->sc_iot, sc->sc_ioh, CNW_REG_ASR); - if (asr & CNW_ASR_WOC) - return (0); - DELAY(100); - } - if (line > 0) - printf("%s: wedged at line %d\n", sc->sc_dev.dv_xname, line); - return (1); -} -#define WAIT_WOC(sc) wait_WOC(sc, __LINE__) - - -/* - * Read a 16 bit value from the card. - */ -static int -read16(sc, offset) - struct cnw_softc *sc; - int offset; -{ - int hi, lo; - - /* This could presumably be done more efficient with - * bus_space_read_2(), but I don't know anything about the - * byte sex guarantees... Besides, this is pretty cheap as - * well :-) - */ - lo = bus_space_read_1(sc->sc_memt, sc->sc_memh, - sc->sc_memoff + offset); - hi = bus_space_read_1(sc->sc_memt, sc->sc_memh, - sc->sc_memoff + offset + 1); - return ((hi << 8) | lo); -} - - -/* - * Send a command to the card by writing it to the command buffer. - */ -int -cnw_cmd(sc, cmd, count, arg1, arg2) - struct cnw_softc *sc; - int cmd, count, arg1, arg2; -{ - int ptr = sc->sc_memoff + CNW_EREG_CB; - - if (wait_WOC(sc, 0)) { - printf("%s: wedged when issuing cmd 0x%x\n", - sc->sc_dev.dv_xname, cmd); - /* - * We'll continue anyway, as that's probably the best - * thing we can do; at least the user knows there's a - * problem, and can reset the interface with ifconfig - * down/up. - */ - } - - bus_space_write_1(sc->sc_memt, sc->sc_memh, ptr, cmd); - if (count > 0) { - bus_space_write_1(sc->sc_memt, sc->sc_memh, ptr + 1, arg1); - if (count > 1) - bus_space_write_1(sc->sc_memt, sc->sc_memh, - ptr + 2, arg2); - } - bus_space_write_1(sc->sc_memt, sc->sc_memh, - ptr + count + 1, CNW_CMD_EOC); - return (0); -} -#define CNW_CMD0(sc, cmd) \ - do { cnw_cmd(sc, cmd, 0, 0, 0); } while (0) -#define CNW_CMD1(sc, cmd, arg1) \ - do { cnw_cmd(sc, cmd, 1, arg1 , 0); } while (0) -#define CNW_CMD2(sc, cmd, arg1, arg2) \ - do { cnw_cmd(sc, cmd, 2, arg1, arg2); } while (0) - -/* ---------------------------------------------------------------- */ - -/* - * Reset the hardware. - */ -void -cnw_reset(sc) - struct cnw_softc *sc; -{ -#ifdef CNW_DEBUG - if (sc->sc_arpcom.ac_if.if_flags & IFF_DEBUG) - printf("%s: resetting\n", sc->sc_dev.dv_xname); -#endif - wait_WOC(sc, 0); - bus_space_write_1(sc->sc_iot, sc->sc_ioh, CNW_REG_PMR, CNW_PMR_RESET); - bus_space_write_1(sc->sc_memt, sc->sc_memh, - sc->sc_memoff + CNW_EREG_ASCC, CNW_ASR_WOC); - bus_space_write_1(sc->sc_iot, sc->sc_ioh, CNW_REG_PMR, 0); -} - - -/* - * Initialize the card. - */ -void -cnw_init(sc) - struct cnw_softc *sc; -{ - /* Reset the card */ - cnw_reset(sc); - - /* Issue a NOP to check the card */ - CNW_CMD0(sc, CNW_CMD_NOP); - - /* Set up receive configuration */ - CNW_CMD1(sc, CNW_CMD_SRC, CNW_RXCONF_RXENA | CNW_RXCONF_BCAST); - - /* Set up transmit configuration */ - CNW_CMD1(sc, CNW_CMD_STC, CNW_TXCONF_TXENA); - - /* Set domain */ - CNW_CMD2(sc, CNW_CMD_SMD, sc->sc_domain, sc->sc_domain >> 8); - - /* Set scramble key */ - CNW_CMD2(sc, CNW_CMD_SSK, sc->sc_skey, sc->sc_skey >> 8); - - /* Enable interrupts */ - WAIT_WOC(sc); - bus_space_write_1(sc->sc_iot, sc->sc_ioh, - CNW_REG_IMR, CNW_IMR_IENA | CNW_IMR_RFU1); - - /* Enable receiver */ - CNW_CMD0(sc, CNW_CMD_ER); - - /* "Set the IENA bit in COR" */ - WAIT_WOC(sc); - bus_space_write_1(sc->sc_iot, sc->sc_ioh, CNW_REG_COR, - CNW_COR_IENA | CNW_COR_LVLREQ); -} - - -/* - * Enable and initialize the card. - */ -int -cnw_enable(sc) - struct cnw_softc *sc; -{ - struct ifnet *ifp = &sc->sc_arpcom.ac_if; - - sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_NET, - cnw_intr, sc, sc->sc_dev.dv_xname); - if (sc->sc_ih == NULL) { - printf("%s: couldn't establish interrupt handler\n", - sc->sc_dev.dv_xname); - return (EIO); - } - if (pcmcia_function_enable(sc->sc_pf) != 0) { - printf("%s: couldn't enable card\n", sc->sc_dev.dv_xname); - return (EIO); - } - cnw_init(sc); - ifp->if_flags |= IFF_RUNNING; - return (0); -} - - -/* - * Stop and disable the card. - */ -void -cnw_disable(sc) - struct cnw_softc *sc; -{ - struct ifnet *ifp = &sc->sc_arpcom.ac_if; - - pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); - pcmcia_function_disable(sc->sc_pf); - ifp->if_flags &= ~IFF_RUNNING; - ifp->if_timer = 0; -} - - -/* - * Match the hardware we handle. - */ -int -cnw_match(parent, match, aux) - struct device *parent; - void *match, *aux; -{ - struct pcmcia_attach_args *pa = aux; - - if (pa->manufacturer == PCMCIA_VENDOR_XIRCOM && - pa->product == PCMCIA_PRODUCT_XIRCOM_XIR_CNW_801) - return (1); - if (pa->manufacturer == PCMCIA_VENDOR_XIRCOM && - pa->product == PCMCIA_PRODUCT_XIRCOM_XIR_CNW_802) - return (1); - return (0); -} - - -/* - * Attach the card. - */ -void -cnw_attach(parent, self, aux) - struct device *parent, *self; - void *aux; -{ - struct cnw_softc *sc = (void *) self; - struct pcmcia_attach_args *pa = aux; - struct ifnet *ifp = &sc->sc_arpcom.ac_if; - int i; - - /* Enable the card */ - sc->sc_pf = pa->pf; - pcmcia_function_init(sc->sc_pf, SIMPLEQ_FIRST(&sc->sc_pf->cfe_head)); - if (pcmcia_function_enable(sc->sc_pf)) { - printf(": function enable failed\n"); - return; - } - - /* Map I/O register and "memory" */ - if (pcmcia_io_alloc(sc->sc_pf, 0, CNW_IO_SIZE, CNW_IO_SIZE, - &sc->sc_pcioh) != 0) { - printf(": can't allocate i/o space\n"); - return; - } - if (pcmcia_io_map(sc->sc_pf, PCMCIA_WIDTH_IO16, 0, - CNW_IO_SIZE, &sc->sc_pcioh, &sc->sc_iowin) != 0) { - printf(": can't map i/o space\n"); - return; - } - sc->sc_iot = sc->sc_pcioh.iot; - sc->sc_ioh = sc->sc_pcioh.ioh; - if (pcmcia_mem_alloc(sc->sc_pf, CNW_MEM_SIZE, &sc->sc_pcmemh) != 0) { - printf(": can't allocate memory\n"); - return; - } - if (pcmcia_mem_map(sc->sc_pf, PCMCIA_MEM_COMMON, CNW_MEM_ADDR, - CNW_MEM_SIZE, &sc->sc_pcmemh, &sc->sc_memoff, - &sc->sc_memwin) != 0) { - printf(": can't map mem space\n"); - return; - } - sc->sc_memt = sc->sc_pcmemh.memt; - sc->sc_memh = sc->sc_pcmemh.memh; - - /* Finish setup of softc */ - sc->sc_domain = cnw_domain; - sc->sc_skey = cnw_skey; - - /* Get MAC address */ - cnw_reset(sc); - for (i = 0; i < ETHER_ADDR_LEN; i++) - sc->sc_arpcom.ac_enaddr[i] = bus_space_read_1(sc->sc_memt, - sc->sc_memh, sc->sc_memoff + CNW_EREG_PA + i); - printf("%s: address %s\n", sc->sc_dev.dv_xname, - ether_sprintf(sc->sc_arpcom.ac_enaddr)); - - /* Set up ifnet structure */ - bcopy(sc->sc_dev.dv_xname, ifp->if_xname, IFNAMSIZ); - ifp->if_softc = sc; - ifp->if_start = cnw_start; - ifp->if_ioctl = cnw_ioctl; - ifp->if_watchdog = cnw_watchdog; - ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX; - - /* Attach the interface */ - if_attach(ifp); - ether_ifattach(ifp); - - if_addgroup(ifp, "wlan"); - ifp->if_priority = IF_WIRELESS_DEFAULT_PRIORITY; - - /* Disable the card now, and turn it on when the interface goes up */ - pcmcia_function_disable(sc->sc_pf); -} - -/* - * Start outputting on the interface. - */ -void -cnw_start(ifp) - struct ifnet *ifp; -{ - struct cnw_softc *sc = ifp->if_softc; - struct mbuf *m0; - int asr; - -#ifdef CNW_DEBUG - if (sc->sc_arpcom.ac_if.if_flags & IFF_DEBUG) - printf("%s: cnw_start\n", ifp->if_xname); -#endif - - for (;;) { - /* Is there any buffer space available on the card? */ - WAIT_WOC(sc); - asr = bus_space_read_1(sc->sc_iot, sc->sc_ioh, CNW_REG_ASR); - if (!(asr & CNW_ASR_TXBA)) { -#ifdef CNW_DEBUG - if (sc->sc_arpcom.ac_if.if_flags & IFF_DEBUG) - printf("%s: no buffer space\n", ifp->if_xname); -#endif - return; - } - - IFQ_DEQUEUE(&ifp->if_snd, m0); - if (m0 == NULL) - return; - -#if NBPFILTER > 0 - if (ifp->if_bpf) - bpf_mtap(ifp->if_bpf, m0, BPF_DIRECTION_OUT); -#endif - - cnw_transmit(sc, m0); - ++ifp->if_opackets; - ifp->if_timer = 3; /* start watchdog timer */ - } -} - - -/* - * Transmit a packet. - */ -void -cnw_transmit(sc, m0) - struct cnw_softc *sc; - struct mbuf *m0; -{ - int buffer, bufsize, bufoffset, bufptr, bufspace, len, mbytes, n; - struct mbuf *m; - u_int8_t *mptr; - - /* Get buffer info from card */ - buffer = read16(sc, CNW_EREG_TDP); - bufsize = read16(sc, CNW_EREG_TDP + 2); - bufoffset = read16(sc, CNW_EREG_TDP + 4); -#ifdef CNW_DEBUG - if (sc->sc_arpcom.ac_if.if_flags & IFF_DEBUG) - printf("%s: cnw_transmit b=0x%x s=%d o=0x%x\n", - sc->sc_dev.dv_xname, buffer, bufsize, bufoffset); -#endif - - /* Copy data from mbuf chain to card buffers */ - bufptr = sc->sc_memoff + buffer + bufoffset; - bufspace = bufsize; - len = 0; - for (m = m0; m; ) { - mptr = mtod(m, u_int8_t *); - mbytes = m->m_len; - len += mbytes; - while (mbytes > 0) { - if (bufspace == 0) { - buffer = read16(sc, buffer); - bufptr = sc->sc_memoff + buffer + bufoffset; - bufspace = bufsize; -#ifdef CNW_DEBUG - if (sc->sc_arpcom.ac_if.if_flags & IFF_DEBUG) - printf("%s: next buffer @0x%x\n", - sc->sc_dev.dv_xname, buffer); -#endif - } - n = mbytes <= bufspace ? mbytes : bufspace; - bus_space_write_region_1(sc->sc_memt, sc->sc_memh, - bufptr, mptr, n); - bufptr += n; - bufspace -= n; - mptr += n; - mbytes -= n; - } - m0 = m_free(m); - m = m0; - } - - /* Issue transmit command */ - CNW_CMD2(sc, CNW_CMD_TL, len, len >> 8); -} - - -/* - * Pull a packet from the card into an mbuf chain. - */ -struct mbuf * -cnw_read(sc) - struct cnw_softc *sc; -{ - struct mbuf *m, *top, **mp; - int totbytes, buffer, bufbytes, bufptr, mbytes, n; - u_int8_t *mptr; - - WAIT_WOC(sc); - totbytes = read16(sc, CNW_EREG_RDP); -#ifdef CNW_DEBUG - if (sc->sc_arpcom.ac_if.if_flags & IFF_DEBUG) - printf("%s: recv %d bytes\n", sc->sc_dev.dv_xname, totbytes); -#endif - buffer = CNW_EREG_RDP + 2; - bufbytes = 0; - bufptr = 0; /* XXX make gcc happy */ - - MGETHDR(m, M_DONTWAIT, MT_DATA); - if (m == NULL) - return (0); - m->m_pkthdr.len = totbytes; - mbytes = MHLEN; - top = 0; - mp = ⊤ - - while (totbytes > 0) { - if (top) { - MGET(m, M_DONTWAIT, MT_DATA); - if (m == NULL) { - m_freem(top); - return (0); - } - mbytes = MLEN; - } - if (totbytes >= MINCLSIZE) { - MCLGET(m, M_DONTWAIT); - if ((m->m_flags & M_EXT) == 0) { - m_free(m); - m_freem(top); - return (0); - } - mbytes = MCLBYTES; - } - if (!top) { - int pad = - ALIGN(sizeof(struct ether_header)) - - sizeof(struct ether_header); - m->m_data += pad; - mbytes -= pad; - } - mptr = mtod(m, u_int8_t *); - mbytes = m->m_len = min(totbytes, mbytes); - totbytes -= mbytes; - while (mbytes > 0) { - if (bufbytes == 0) { - buffer = read16(sc, buffer); - bufbytes = read16(sc, buffer + 2); - bufptr = sc->sc_memoff + buffer + - read16(sc, buffer + 4); -#ifdef CNW_DEBUG - if (sc->sc_arpcom.ac_if.if_flags & IFF_DEBUG) - printf("%s: %d bytes @0x%x+0x%x\n", - sc->sc_dev.dv_xname, bufbytes, - buffer, bufptr - buffer - - sc->sc_memoff); -#endif - } - n = mbytes <= bufbytes ? mbytes : bufbytes; - bus_space_read_region_1(sc->sc_memt, sc->sc_memh, - bufptr, mptr, n); - bufbytes -= n; - bufptr += n; - mbytes -= n; - mptr += n; - } - *mp = m; - mp = &m->m_next; - } - - return (top); -} - - -/* - * Handle received packets. - */ -void -cnw_recv(sc) - struct cnw_softc *sc; -{ - int rser; - struct ifnet *ifp = &sc->sc_arpcom.ac_if; - struct mbuf_list ml = MBUF_LIST_INITIALIZER(); - struct mbuf *m; - - for (;;) { - WAIT_WOC(sc); - rser = bus_space_read_1(sc->sc_memt, sc->sc_memh, - sc->sc_memoff + CNW_EREG_RSER); - if (!(rser & CNW_RSER_RXAVAIL)) - break; - - /* Pull packet off card */ - m = cnw_read(sc); - - /* Acknowledge packet */ - CNW_CMD0(sc, CNW_CMD_SRP); - - /* Did we manage to get the packet from the interface? */ - if (m == NULL) { - ++ifp->if_ierrors; - break; - } - ml_enqueue(&ml, m); - } - - if_input(ifp, &ml); -} - - -/* - * Interrupt handler. - */ -int -cnw_intr(arg) - void *arg; -{ - struct cnw_softc *sc = arg; - struct ifnet *ifp = &sc->sc_arpcom.ac_if; - int ret, status, rser, tser; - - if (!(sc->sc_arpcom.ac_if.if_flags & IFF_RUNNING)) - return (0); - ifp->if_timer = 0; /* stop watchdog timer */ - - ret = 0; - for (;;) { - WAIT_WOC(sc); - if (!(bus_space_read_1(sc->sc_iot, sc->sc_ioh, - CNW_REG_CCSR) & 0x02)) { - if (ret == 0) - printf("%s: spurious interrupt\n", - sc->sc_dev.dv_xname); - return (ret); - } - ret = 1; - status = bus_space_read_1(sc->sc_iot, sc->sc_ioh, CNW_REG_ASR); - - /* Anything to receive? */ - if (status & CNW_ASR_RXRDY) - cnw_recv(sc); - - /* Receive error */ - if (status & CNW_ASR_RXERR) { - /* - * I get a *lot* of spurious receive errors - * (many per second), even when the interface - * is quiescent, so we don't increment - * if_ierrors here. - */ - rser = bus_space_read_1(sc->sc_memt, sc->sc_memh, - sc->sc_memoff + CNW_EREG_RSER); - /* Clear error bits in RSER */ - WAIT_WOC(sc); - bus_space_write_1(sc->sc_memt, sc->sc_memh, - sc->sc_memoff + CNW_EREG_RSERW, - CNW_RSER_RXERR | - (rser & (CNW_RSER_RXCRC | CNW_RSER_RXBIG))); - /* Clear RXERR in ASR */ - WAIT_WOC(sc); - bus_space_write_1(sc->sc_memt, sc->sc_memh, - sc->sc_memoff + CNW_EREG_ASCC, CNW_ASR_RXERR); - } - - /* Transmit done */ - if (status & CNW_ASR_TXDN) { - tser = bus_space_read_1(sc->sc_memt, sc->sc_memh, - CNW_EREG_TSER); - if (tser & CNW_TSER_TXOK) { - WAIT_WOC(sc); - bus_space_write_1(sc->sc_memt, sc->sc_memh, - sc->sc_memoff + CNW_EREG_TSERW, - CNW_TSER_TXOK | CNW_TSER_RTRY); - } - if (tser & CNW_TSER_ERROR) { - ++ifp->if_oerrors; - WAIT_WOC(sc); - bus_space_write_1(sc->sc_memt, sc->sc_memh, - sc->sc_memoff + CNW_EREG_TSERW, - (tser & CNW_TSER_ERROR) | - CNW_TSER_RTRY); - } - /* Continue to send packets from the queue */ - cnw_start(&sc->sc_arpcom.ac_if); - } - - } -} - - -/* - * Handle device ioctls. - */ -int -cnw_ioctl(ifp, cmd, data) - register struct ifnet *ifp; - u_long cmd; - caddr_t data; -{ - struct cnw_softc *sc = ifp->if_softc; - int s, error = 0; - - s = splnet(); - - switch (cmd) { - case SIOCSIFADDR: - if (!(ifp->if_flags & IFF_RUNNING) && - (error = cnw_enable(sc)) != 0) - break; - ifp->if_flags |= IFF_UP; - break; - - case SIOCSIFFLAGS: - if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == IFF_RUNNING) { - /* - * The interface is marked down and it is running, so - * stop it. - */ - cnw_disable(sc); - } else if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == IFF_UP){ - /* - * The interface is marked up and it is stopped, so - * start it. - */ - error = cnw_enable(sc); - } - break; - - default: - error = ENOTTY; - break; - } - - splx(s); - return (error); -} - - -/* - * Device timeout/watchdog routine. Entered if the device neglects to - * generate an interrupt after a transmit has been started on it. - */ -void -cnw_watchdog(ifp) - struct ifnet *ifp; -{ - struct cnw_softc *sc = ifp->if_softc; - - printf("%s: device timeout; card reset\n", sc->sc_dev.dv_xname); - ++ifp->if_oerrors; - cnw_init(sc); -} - - -int -cnw_detach(dev, flags) - struct device *dev; - int flags; -{ - struct cnw_softc *sc = (struct cnw_softc *)dev; - struct ifnet *ifp = &sc->sc_arpcom.ac_if; - int rv = 0; - - pcmcia_io_unmap(sc->sc_pf, sc->sc_iowin); - pcmcia_io_free(sc->sc_pf, &sc->sc_pcioh); - pcmcia_mem_unmap(sc->sc_pf, sc->sc_memwin); - pcmcia_mem_free(sc->sc_pf, &sc->sc_pcmemh); - - ether_ifdetach(ifp); - if_detach(ifp); - - return (rv); -} - -int -cnw_activate(dev, act) - struct device *dev; - int act; -{ - struct cnw_softc *sc = (struct cnw_softc *)dev; - struct ifnet *ifp = &sc->sc_arpcom.ac_if; - - switch (act) { - case DVACT_DEACTIVATE: - ifp->if_timer = 0; - ifp->if_flags &= ~IFF_RUNNING; /* XXX no cnw_stop() ? */ - if (sc->sc_ih) - pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); - sc->sc_ih = NULL; - pcmcia_function_disable(sc->sc_pf); - break; - } - return (0); -} |