diff options
author | Aaron Campbell <aaron@cvs.openbsd.org> | 2001-01-28 17:45:20 +0000 |
---|---|---|
committer | Aaron Campbell <aaron@cvs.openbsd.org> | 2001-01-28 17:45:20 +0000 |
commit | 96a358cd69059369aed1936438b4ad559c8718ae (patch) | |
tree | bcdab9d879d5990c0754a24446952f43396ac16e /sys/dev | |
parent | fb1d49e57899e8b95880ed53ab3ab227c291b17e (diff) |
Add driver for Prolific PL2301/PL2302 host-to-host adapter. From NetBSD.
/* XXX - untested */
Note: just reminding myself that I need to create a nice diff for Lennart
to further portablize the USB code (I fell behind in doing this). In
particular, for this driver, the IF_INPUT() macro just does ether_input()
in OpenBSD, but we really want to call the local upl_input() routine.
Diffstat (limited to 'sys/dev')
-rw-r--r-- | sys/dev/usb/files.usb | 8 | ||||
-rw-r--r-- | sys/dev/usb/if_upl.c | 1116 |
2 files changed, 1120 insertions, 4 deletions
diff --git a/sys/dev/usb/files.usb b/sys/dev/usb/files.usb index edbc7be8be3..7e250065407 100644 --- a/sys/dev/usb/files.usb +++ b/sys/dev/usb/files.usb @@ -1,4 +1,4 @@ -# $OpenBSD: files.usb,v 1.16 2001/01/28 16:31:24 aaron Exp $ +# $OpenBSD: files.usb,v 1.17 2001/01/28 17:45:18 aaron Exp $ # $NetBSD: files.usb,v 1.16 2000/02/14 20:29:54 augustss Exp $ # # Config file and device description for machine-independent USB code. @@ -99,9 +99,9 @@ attach kue at uhub file dev/usb/if_kue.c kue # Prolific PL2302 host-host -#device upl: ifnet -#attach upl at uhub -#file dev/usb/if_upl.c upl +device upl: ifnet +attach upl at uhub +file dev/usb/if_upl.c upl # Serial drivers # FTDI serial driver diff --git a/sys/dev/usb/if_upl.c b/sys/dev/usb/if_upl.c new file mode 100644 index 00000000000..6432ea66dcc --- /dev/null +++ b/sys/dev/usb/if_upl.c @@ -0,0 +1,1116 @@ +/* $OpenBSD: if_upl.c,v 1.1 2001/01/28 17:45:18 aaron Exp $ */ +/* $NetBSD: if_upl.c,v 1.10 2000/12/08 02:24:07 augustss Exp $ */ +/* + * Copyright (c) 2000 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Lennart Augustsson (lennart@augustsson.net) at + * Carlstedt Research & Technology. + * + * 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * 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. + */ + +/* + * Prolific PL2301/PL2302 driver + */ + +#if defined(__NetBSD__) +#include "opt_inet.h" +#include "opt_ns.h" +#include "rnd.h" +#endif + +#include "bpfilter.h" + +#include <sys/param.h> +#include <sys/systm.h> +#if defined(__NetBSD__) || defined(__FreeBSD__) +#include <sys/callout.h> +#else +#include <sys/timeout.h> +#endif +#include <sys/sockio.h> +#include <sys/mbuf.h> +#include <sys/malloc.h> +#include <sys/kernel.h> +#include <sys/socket.h> + +#include <sys/device.h> +#if NRND > 0 +#include <sys/rnd.h> +#endif + +#include <net/if.h> +#include <net/if_types.h> +#include <net/if_dl.h> +#include <net/netisr.h> + +#define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m)) + +#if NBPFILTER > 0 +#include <net/bpf.h> +#endif + +#if defined(__NetBSD__) +#ifdef INET +#include <netinet/in.h> +#include <netinet/in_var.h> +#include <netinet/if_inarp.h> +#else +#error upl without INET? +#endif +#endif + +#if defined(__OpenBSD__) +#ifdef INET +#include <netinet/in.h> +#include <netinet/in_systm.h> +#include <netinet/in_var.h> +#include <netinet/ip.h> +#include <netinet/if_ether.h> +#else +#error upl without INET? +#endif +#endif + +#ifdef NS +#include <netns/ns.h> +#include <netns/ns_if.h> +#endif + +#include <dev/usb/usb.h> +#include <dev/usb/usbdi.h> +#include <dev/usb/usbdi_util.h> +#include <dev/usb/usbdevs.h> + +/* + * 7 6 5 4 3 2 1 0 + * tx rx 1 0 + * 1110 0000 rxdata + * 1010 0000 idle + * 0010 0000 tx over + * 0110 tx over + rxd + */ + +#define UPL_RXDATA 0x40 +#define UPL_TXOK 0x80 + +#define UPL_INTR_PKTLEN 1 + +#define UPL_CONFIG_NO 1 +#define UPL_IFACE_IDX 0 + +/***/ + +#define UPL_INTR_INTERVAL 20 + +#define UPL_BUFSZ 1024 + +#define UPL_RX_FRAMES 1 +#define UPL_TX_FRAMES 1 + +#define UPL_RX_LIST_CNT 1 +#define UPL_TX_LIST_CNT 1 + +#define UPL_ENDPT_RX 0x0 +#define UPL_ENDPT_TX 0x1 +#define UPL_ENDPT_INTR 0x2 +#define UPL_ENDPT_MAX 0x3 + +struct upl_type { + u_int16_t upl_vid; + u_int16_t upl_did; +}; + +struct upl_softc; + +struct upl_chain { + struct upl_softc *upl_sc; + usbd_xfer_handle upl_xfer; + char *upl_buf; + struct mbuf *upl_mbuf; + int upl_idx; +}; + +struct upl_cdata { + struct upl_chain upl_tx_chain[UPL_TX_LIST_CNT]; + struct upl_chain upl_rx_chain[UPL_RX_LIST_CNT]; + int upl_tx_prod; + int upl_tx_cons; + int upl_tx_cnt; + int upl_rx_prod; +}; + +struct upl_softc { + USBBASEDEVICE sc_dev; + + struct ifnet sc_if; +#if NRND > 0 + rndsource_element_t sc_rnd_source; +#endif + + usb_callout_t sc_stat_ch; + + usbd_device_handle sc_udev; + usbd_interface_handle sc_iface; + u_int16_t sc_vendor; + u_int16_t sc_product; + int sc_ed[UPL_ENDPT_MAX]; + usbd_pipe_handle sc_ep[UPL_ENDPT_MAX]; + struct upl_cdata sc_cdata; + + uByte sc_ibuf; + + char sc_dying; + char sc_attached; + u_int sc_rx_errs; + struct timeval sc_rx_notice; + u_int sc_intr_errs; +}; + +#ifdef UPL_DEBUG +#define DPRINTF(x) if (upldebug) logprintf x +#define DPRINTFN(n,x) if (upldebug >= (n)) logprintf x +int upldebug = 0; +#else +#define DPRINTF(x) +#define DPRINTFN(n,x) +#endif + +/* + * Various supported device vendors/products. + */ +Static struct upl_type sc_devs[] = { + { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2301 }, + { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2302 }, + { 0, 0 } +}; + +USB_DECLARE_DRIVER(upl); + +Static int upl_openpipes(struct upl_softc *); +Static int upl_tx_list_init(struct upl_softc *); +Static int upl_rx_list_init(struct upl_softc *); +Static int upl_newbuf(struct upl_softc *, struct upl_chain *, struct mbuf *); +Static int upl_send(struct upl_softc *, struct mbuf *, int); +Static void upl_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); +Static void upl_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); +Static void upl_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); +Static void upl_start(struct ifnet *); +Static int upl_ioctl(struct ifnet *, u_long, caddr_t); +Static void upl_init(void *); +Static void upl_stop(struct upl_softc *); +Static void upl_watchdog(struct ifnet *); + +Static int upl_output(struct ifnet *, struct mbuf *, struct sockaddr *, + struct rtentry *); +Static void upl_input(struct ifnet *, struct mbuf *); + +/* + * Probe for a Prolific chip. + */ +USB_MATCH(upl) +{ + USB_MATCH_START(upl, uaa); + struct upl_type *t; + + if (uaa->iface != NULL) + return (UMATCH_NONE); + + for (t = sc_devs; t->upl_vid != 0; t++) + if (uaa->vendor == t->upl_vid && uaa->product == t->upl_did) + return (UMATCH_VENDOR_PRODUCT); + + return (UMATCH_NONE); +} + +USB_ATTACH(upl) +{ + USB_ATTACH_START(upl, sc, uaa); + char devinfo[1024]; + int s; + usbd_device_handle dev = uaa->device; + usbd_interface_handle iface; + usbd_status err; + struct ifnet *ifp; + usb_interface_descriptor_t *id; + usb_endpoint_descriptor_t *ed; + int i; + + DPRINTFN(5,(" : upl_attach: sc=%p, dev=%p", sc, dev)); + + usbd_devinfo(dev, 0, devinfo); + USB_ATTACH_SETUP; + printf("%s: %s\n", USBDEVNAME(sc->sc_dev), devinfo); + + err = usbd_set_config_no(dev, UPL_CONFIG_NO, 1); + if (err) { + printf("%s: setting config no failed\n", + USBDEVNAME(sc->sc_dev)); + USB_ATTACH_ERROR_RETURN; + } + + sc->sc_udev = dev; + sc->sc_product = uaa->product; + sc->sc_vendor = uaa->vendor; + + err = usbd_device2interface_handle(dev, UPL_IFACE_IDX, &iface); + if (err) { + printf("%s: getting interface handle failed\n", + USBDEVNAME(sc->sc_dev)); + USB_ATTACH_ERROR_RETURN; + } + + sc->sc_iface = iface; + id = usbd_get_interface_descriptor(iface); + + /* Find endpoints. */ + for (i = 0; i < id->bNumEndpoints; i++) { + ed = usbd_interface2endpoint_descriptor(iface, i); + if (ed == NULL) { + printf("%s: couldn't get ep %d\n", + USBDEVNAME(sc->sc_dev), i); + USB_ATTACH_ERROR_RETURN; + } + if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && + UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { + sc->sc_ed[UPL_ENDPT_RX] = ed->bEndpointAddress; + } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && + UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { + sc->sc_ed[UPL_ENDPT_TX] = ed->bEndpointAddress; + } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && + UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { + sc->sc_ed[UPL_ENDPT_INTR] = ed->bEndpointAddress; + } + } + + if (sc->sc_ed[UPL_ENDPT_RX] == 0 || sc->sc_ed[UPL_ENDPT_TX] == 0 || + sc->sc_ed[UPL_ENDPT_INTR] == 0) { + printf("%s: missing endpoint\n", USBDEVNAME(sc->sc_dev)); + USB_ATTACH_ERROR_RETURN; + } + + s = splimp(); + + /* Initialize interface info.*/ + ifp = &sc->sc_if; + ifp->if_softc = sc; + ifp->if_mtu = UPL_BUFSZ; + ifp->if_flags = IFF_POINTOPOINT | IFF_NOARP | IFF_SIMPLEX; + ifp->if_ioctl = upl_ioctl; + ifp->if_start = upl_start; + ifp->if_watchdog = upl_watchdog; + strncpy(ifp->if_xname, USBDEVNAME(sc->sc_dev), IFNAMSIZ); + + ifp->if_type = IFT_OTHER; + ifp->if_addrlen = 0; + ifp->if_hdrlen = 0; + ifp->if_output = upl_output; +#if defined(__NetBSD__) + ifp->if_input = upl_input; +#endif + ifp->if_baudrate = 12000000; + + /* Attach the interface. */ + if_attach(ifp); + +#if NBPFILTER > 0 +#if defined(__NetBSD__) || defined(__FreeBSD__) + bpfattach(ifp, DLT_EN10MB, 0); +#else + bpfattach(&ifp->if_bpf, ifp, DLT_EN10MB, sizeof(struct ether_header)); +#endif +#endif +#if NRND > 0 + rnd_attach_source(&sc->sc_rnd_source, USBDEVNAME(sc->sc_dev), + RND_TYPE_NET, 0); +#endif + + sc->sc_attached = 1; + splx(s); + + usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, + USBDEV(sc->sc_dev)); + + USB_ATTACH_SUCCESS_RETURN; +} + +USB_DETACH(upl) +{ + USB_DETACH_START(upl, sc); + struct ifnet *ifp = &sc->sc_if; + int s; + + DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); + + s = splusb(); + + if (!sc->sc_attached) { + /* Detached before attached finished, so just bail out. */ + splx(s); + return (0); + } + + if (ifp->if_flags & IFF_RUNNING) + upl_stop(sc); + +#if NRND > 0 + rnd_detach_source(&sc->sc_rnd_source); +#endif +#if NBPFILTER > 0 + bpfdetach(ifp); +#endif + + if_detach(ifp); + +#ifdef DIAGNOSTIC + if (sc->sc_ep[UPL_ENDPT_TX] != NULL || + sc->sc_ep[UPL_ENDPT_RX] != NULL || + sc->sc_ep[UPL_ENDPT_INTR] != NULL) + printf("%s: detach has active endpoints\n", + USBDEVNAME(sc->sc_dev)); +#endif + + sc->sc_attached = 0; + splx(s); + + usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, + USBDEV(sc->sc_dev)); + + return (0); +} + +int +upl_activate(device_ptr_t self, enum devact act) +{ + struct upl_softc *sc = (struct upl_softc *)self; + + DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); + + switch (act) { + case DVACT_ACTIVATE: + return (EOPNOTSUPP); + break; + + case DVACT_DEACTIVATE: + /* Deactivate the interface. */ + if_deactivate(&sc->sc_if); + sc->sc_dying = 1; + break; + } + return (0); +} + +/* + * Initialize an RX descriptor and attach an MBUF cluster. + */ +Static int +upl_newbuf(struct upl_softc *sc, struct upl_chain *c, struct mbuf *m) +{ + struct mbuf *m_new = NULL; + + DPRINTFN(8,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); + + if (m == NULL) { + MGETHDR(m_new, M_DONTWAIT, MT_DATA); + if (m_new == NULL) { + printf("%s: no memory for rx list " + "-- packet dropped!\n", USBDEVNAME(sc->sc_dev)); + return (ENOBUFS); + } + + MCLGET(m_new, M_DONTWAIT); + if (!(m_new->m_flags & M_EXT)) { + printf("%s: no memory for rx list " + "-- packet dropped!\n", USBDEVNAME(sc->sc_dev)); + m_freem(m_new); + return (ENOBUFS); + } + m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; + } else { + m_new = m; + m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; + m_new->m_data = m_new->m_ext.ext_buf; + } + + c->upl_mbuf = m_new; + + return (0); +} + +Static int +upl_rx_list_init(struct upl_softc *sc) +{ + struct upl_cdata *cd; + struct upl_chain *c; + int i; + + DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); + + cd = &sc->sc_cdata; + for (i = 0; i < UPL_RX_LIST_CNT; i++) { + c = &cd->upl_rx_chain[i]; + c->upl_sc = sc; + c->upl_idx = i; + if (upl_newbuf(sc, c, NULL) == ENOBUFS) + return (ENOBUFS); + if (c->upl_xfer == NULL) { + c->upl_xfer = usbd_alloc_xfer(sc->sc_udev); + if (c->upl_xfer == NULL) + return (ENOBUFS); + c->upl_buf = usbd_alloc_buffer(c->upl_xfer, UPL_BUFSZ); + if (c->upl_buf == NULL) { + usbd_free_xfer(c->upl_xfer); + return (ENOBUFS); + } + } + } + + return (0); +} + +Static int +upl_tx_list_init(struct upl_softc *sc) +{ + struct upl_cdata *cd; + struct upl_chain *c; + int i; + + DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); + + cd = &sc->sc_cdata; + for (i = 0; i < UPL_TX_LIST_CNT; i++) { + c = &cd->upl_tx_chain[i]; + c->upl_sc = sc; + c->upl_idx = i; + c->upl_mbuf = NULL; + if (c->upl_xfer == NULL) { + c->upl_xfer = usbd_alloc_xfer(sc->sc_udev); + if (c->upl_xfer == NULL) + return (ENOBUFS); + c->upl_buf = usbd_alloc_buffer(c->upl_xfer, UPL_BUFSZ); + if (c->upl_buf == NULL) { + usbd_free_xfer(c->upl_xfer); + return (ENOBUFS); + } + } + } + + return (0); +} + +/* + * A frame has been uploaded: pass the resulting mbuf chain up to + * the higher level protocols. + */ +Static void +upl_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) +{ + struct upl_chain *c = priv; + struct upl_softc *sc = c->upl_sc; + struct ifnet *ifp = &sc->sc_if; + struct mbuf *m; + int total_len = 0; + int s; + + if (sc->sc_dying) + return; + + if (!(ifp->if_flags & IFF_RUNNING)) + return; + + if (status != USBD_NORMAL_COMPLETION) { + if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) + return; + sc->sc_rx_errs++; + if (usbd_ratecheck(&sc->sc_rx_notice)) { + printf("%s: %u usb errors on rx: %s\n", + USBDEVNAME(sc->sc_dev), sc->sc_rx_errs, + usbd_errstr(status)); + sc->sc_rx_errs = 0; + } + if (status == USBD_STALLED) + usbd_clear_endpoint_stall(sc->sc_ep[UPL_ENDPT_RX]); + goto done; + } + + usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); + + DPRINTFN(9,("%s: %s: enter status=%d length=%d\n", + USBDEVNAME(sc->sc_dev), __FUNCTION__, status, total_len)); + + m = c->upl_mbuf; + memcpy(mtod(c->upl_mbuf, char *), c->upl_buf, total_len); + + ifp->if_ipackets++; + m->m_pkthdr.len = m->m_len = total_len; + + m->m_pkthdr.rcvif = ifp; + + s = splimp(); + + /* XXX ugly */ + if (upl_newbuf(sc, c, NULL) == ENOBUFS) { + ifp->if_ierrors++; + goto done1; + } + +#if NBPFILTER > 0 + /* + * Handle BPF listeners. Let the BPF user see the packet, but + * don't pass it up to the ether_input() layer unless it's + * a broadcast packet, multicast packet, matches our ethernet + * address or the interface is in promiscuous mode. + */ + if (ifp->if_bpf) { + BPF_MTAP(ifp, m); + } +#endif + + DPRINTFN(10,("%s: %s: deliver %d\n", USBDEVNAME(sc->sc_dev), + __FUNCTION__, m->m_len)); + +#if defined(__NetBSD__) + IF_INPUT(ifp, m); +#else + upl_input(ifp, m); +#endif + + done1: + splx(s); + + done: +#if 1 + /* Setup new transfer. */ + usbd_setup_xfer(c->upl_xfer, sc->sc_ep[UPL_ENDPT_RX], + c, c->upl_buf, UPL_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, + USBD_NO_TIMEOUT, upl_rxeof); + usbd_transfer(c->upl_xfer); + + DPRINTFN(10,("%s: %s: start rx\n", USBDEVNAME(sc->sc_dev), + __FUNCTION__)); +#endif +} + +/* + * A frame was downloaded to the chip. It's safe for us to clean up + * the list buffers. + */ +Static void +upl_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) +{ + struct upl_chain *c = priv; + struct upl_softc *sc = c->upl_sc; + struct ifnet *ifp = &sc->sc_if; + int s; + + if (sc->sc_dying) + return; + + s = splimp(); + + DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->sc_dev), + __FUNCTION__, status)); + + ifp->if_timer = 0; + ifp->if_flags &= ~IFF_OACTIVE; + + if (status != USBD_NORMAL_COMPLETION) { + if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { + splx(s); + return; + } + ifp->if_oerrors++; + printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->sc_dev), + usbd_errstr(status)); + if (status == USBD_STALLED) + usbd_clear_endpoint_stall(sc->sc_ep[UPL_ENDPT_TX]); + splx(s); + return; + } + + ifp->if_opackets++; + + m_freem(c->upl_mbuf); + c->upl_mbuf = NULL; + + if (ifp->if_snd.ifq_head != NULL) + upl_start(ifp); + + splx(s); +} + +Static int +upl_send(struct upl_softc *sc, struct mbuf *m, int idx) +{ + int total_len; + struct upl_chain *c; + usbd_status err; + + c = &sc->sc_cdata.upl_tx_chain[idx]; + + /* + * Copy the mbuf data into a contiguous buffer, leaving two + * bytes at the beginning to hold the frame length. + */ + m_copydata(m, 0, m->m_pkthdr.len, c->upl_buf); + c->upl_mbuf = m; + + total_len = m->m_pkthdr.len; + + DPRINTFN(10,("%s: %s: total_len=%d\n", + USBDEVNAME(sc->sc_dev), __FUNCTION__, total_len)); + + usbd_setup_xfer(c->upl_xfer, sc->sc_ep[UPL_ENDPT_TX], + c, c->upl_buf, total_len, USBD_NO_COPY, USBD_DEFAULT_TIMEOUT, + upl_txeof); + + /* Transmit */ + err = usbd_transfer(c->upl_xfer); + if (err != USBD_IN_PROGRESS) { + printf("%s: upl_send error=%s\n", USBDEVNAME(sc->sc_dev), + usbd_errstr(err)); + upl_stop(sc); + return (EIO); + } + + sc->sc_cdata.upl_tx_cnt++; + + return (0); +} + +Static void +upl_start(struct ifnet *ifp) +{ + struct upl_softc *sc = ifp->if_softc; + struct mbuf *m_head = NULL; + + if (sc->sc_dying) + return; + + DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__FUNCTION__)); + + if (ifp->if_flags & IFF_OACTIVE) + return; + + IF_DEQUEUE(&ifp->if_snd, m_head); + if (m_head == NULL) + return; + + if (upl_send(sc, m_head, 0)) { + IF_PREPEND(&ifp->if_snd, m_head); + ifp->if_flags |= IFF_OACTIVE; + return; + } + +#if NBPFILTER > 0 + /* + * If there's a BPF listener, bounce a copy of this frame + * to him. + */ + if (ifp->if_bpf) + BPF_MTAP(ifp, m_head); +#endif + + ifp->if_flags |= IFF_OACTIVE; + + /* + * Set a timeout in case the chip goes out to lunch. + */ + ifp->if_timer = 5; +} + +Static void +upl_init(void *xsc) +{ + struct upl_softc *sc = xsc; + struct ifnet *ifp = &sc->sc_if; + int s; + + if (sc->sc_dying) + return; + + DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__FUNCTION__)); + + if (ifp->if_flags & IFF_RUNNING) + return; + + s = splimp(); + + /* Init TX ring. */ + if (upl_tx_list_init(sc) == ENOBUFS) { + printf("%s: tx list init failed\n", USBDEVNAME(sc->sc_dev)); + splx(s); + return; + } + + /* Init RX ring. */ + if (upl_rx_list_init(sc) == ENOBUFS) { + printf("%s: rx list init failed\n", USBDEVNAME(sc->sc_dev)); + splx(s); + return; + } + + if (sc->sc_ep[UPL_ENDPT_RX] == NULL) { + if (upl_openpipes(sc)) { + splx(s); + return; + } + } + + ifp->if_flags |= IFF_RUNNING; + ifp->if_flags &= ~IFF_OACTIVE; + + splx(s); +} + +Static int +upl_openpipes(struct upl_softc *sc) +{ + struct upl_chain *c; + usbd_status err; + int i; + + /* Open RX and TX pipes. */ + err = usbd_open_pipe(sc->sc_iface, sc->sc_ed[UPL_ENDPT_RX], + USBD_EXCLUSIVE_USE, &sc->sc_ep[UPL_ENDPT_RX]); + if (err) { + printf("%s: open rx pipe failed: %s\n", + USBDEVNAME(sc->sc_dev), usbd_errstr(err)); + return (EIO); + } + err = usbd_open_pipe(sc->sc_iface, sc->sc_ed[UPL_ENDPT_TX], + USBD_EXCLUSIVE_USE, &sc->sc_ep[UPL_ENDPT_TX]); + if (err) { + printf("%s: open tx pipe failed: %s\n", + USBDEVNAME(sc->sc_dev), usbd_errstr(err)); + return (EIO); + } + err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_ed[UPL_ENDPT_INTR], + USBD_EXCLUSIVE_USE, &sc->sc_ep[UPL_ENDPT_INTR], sc, + &sc->sc_ibuf, UPL_INTR_PKTLEN, upl_intr, + UPL_INTR_INTERVAL); + if (err) { + printf("%s: open intr pipe failed: %s\n", + USBDEVNAME(sc->sc_dev), usbd_errstr(err)); + return (EIO); + } + + +#if 1 + /* Start up the receive pipe. */ + for (i = 0; i < UPL_RX_LIST_CNT; i++) { + c = &sc->sc_cdata.upl_rx_chain[i]; + usbd_setup_xfer(c->upl_xfer, sc->sc_ep[UPL_ENDPT_RX], + c, c->upl_buf, UPL_BUFSZ, + USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, + upl_rxeof); + usbd_transfer(c->upl_xfer); + } +#endif + + return (0); +} + +Static void +upl_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) +{ + struct upl_softc *sc = priv; + struct ifnet *ifp = &sc->sc_if; + uByte stat; + + DPRINTFN(15,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__FUNCTION__)); + + if (sc->sc_dying) + return; + + if (!(ifp->if_flags & IFF_RUNNING)) + return; + + if (status != USBD_NORMAL_COMPLETION) { + if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { + return; + } + sc->sc_intr_errs++; + if (usbd_ratecheck(&sc->sc_rx_notice)) { + printf("%s: %u usb errors on intr: %s\n", + USBDEVNAME(sc->sc_dev), sc->sc_rx_errs, + usbd_errstr(status)); + sc->sc_intr_errs = 0; + } + if (status == USBD_STALLED) + usbd_clear_endpoint_stall(sc->sc_ep[UPL_ENDPT_RX]); + return; + } + + stat = sc->sc_ibuf; + + if (stat == 0) + return; + + DPRINTFN(10,("%s: %s: stat=0x%02x\n", USBDEVNAME(sc->sc_dev), + __FUNCTION__, stat)); + +} + +Static int +upl_ioctl(struct ifnet *ifp, u_long command, caddr_t data) +{ + struct upl_softc *sc = ifp->if_softc; + struct ifaddr *ifa = (struct ifaddr *)data; + struct ifreq *ifr = (struct ifreq *)data; + int s, error = 0; + + if (sc->sc_dying) + return (EIO); + + DPRINTFN(5,("%s: %s: cmd=0x%08lx\n", + USBDEVNAME(sc->sc_dev), __FUNCTION__, command)); + + s = splimp(); + + switch(command) { + case SIOCSIFADDR: + ifp->if_flags |= IFF_UP; + upl_init(sc); + + switch (ifa->ifa_addr->sa_family) { +#ifdef INET + case AF_INET: + break; +#endif /* INET */ +#ifdef NS + case AF_NS: + { + struct ns_addr *ina = &IA_SNS(ifa)->sns_addr; + + if (ns_nullhost(*ina)) + ina->x_host = *(union ns_host *) + LLADDR(ifp->if_sadl); + else + memcpy(LLADDR(ifp->if_sadl), + ina->x_host.c_host, + ifp->if_addrlen); + break; + } +#endif /* NS */ + } + break; + + case SIOCSIFMTU: + if (ifr->ifr_mtu > UPL_BUFSZ) + error = EINVAL; + else + ifp->if_mtu = ifr->ifr_mtu; + break; + + case SIOCSIFFLAGS: + if (ifp->if_flags & IFF_UP) { + if (!(ifp->if_flags & IFF_RUNNING)) + upl_init(sc); + } else { + if (ifp->if_flags & IFF_RUNNING) + upl_stop(sc); + } + error = 0; + break; + default: + error = EINVAL; + break; + } + + splx(s); + + return (error); +} + +Static void +upl_watchdog(struct ifnet *ifp) +{ + struct upl_softc *sc = ifp->if_softc; + + DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__FUNCTION__)); + + if (sc->sc_dying) + return; + + ifp->if_oerrors++; + printf("%s: watchdog timeout\n", USBDEVNAME(sc->sc_dev)); + + upl_stop(sc); + upl_init(sc); + + if (ifp->if_snd.ifq_head != NULL) + upl_start(ifp); +} + +/* + * Stop the adapter and free any mbufs allocated to the + * RX and TX lists. + */ +Static void +upl_stop(struct upl_softc *sc) +{ + usbd_status err; + struct ifnet *ifp; + int i; + + DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__FUNCTION__)); + + ifp = &sc->sc_if; + ifp->if_timer = 0; + + /* Stop transfers. */ + if (sc->sc_ep[UPL_ENDPT_RX] != NULL) { + err = usbd_abort_pipe(sc->sc_ep[UPL_ENDPT_RX]); + if (err) { + printf("%s: abort rx pipe failed: %s\n", + USBDEVNAME(sc->sc_dev), usbd_errstr(err)); + } + err = usbd_close_pipe(sc->sc_ep[UPL_ENDPT_RX]); + if (err) { + printf("%s: close rx pipe failed: %s\n", + USBDEVNAME(sc->sc_dev), usbd_errstr(err)); + } + sc->sc_ep[UPL_ENDPT_RX] = NULL; + } + + if (sc->sc_ep[UPL_ENDPT_TX] != NULL) { + err = usbd_abort_pipe(sc->sc_ep[UPL_ENDPT_TX]); + if (err) { + printf("%s: abort tx pipe failed: %s\n", + USBDEVNAME(sc->sc_dev), usbd_errstr(err)); + } + err = usbd_close_pipe(sc->sc_ep[UPL_ENDPT_TX]); + if (err) { + printf("%s: close tx pipe failed: %s\n", + USBDEVNAME(sc->sc_dev), usbd_errstr(err)); + } + sc->sc_ep[UPL_ENDPT_TX] = NULL; + } + + if (sc->sc_ep[UPL_ENDPT_INTR] != NULL) { + err = usbd_abort_pipe(sc->sc_ep[UPL_ENDPT_INTR]); + if (err) { + printf("%s: abort intr pipe failed: %s\n", + USBDEVNAME(sc->sc_dev), usbd_errstr(err)); + } + err = usbd_close_pipe(sc->sc_ep[UPL_ENDPT_INTR]); + if (err) { + printf("%s: close intr pipe failed: %s\n", + USBDEVNAME(sc->sc_dev), usbd_errstr(err)); + } + sc->sc_ep[UPL_ENDPT_INTR] = NULL; + } + + /* Free RX resources. */ + for (i = 0; i < UPL_RX_LIST_CNT; i++) { + if (sc->sc_cdata.upl_rx_chain[i].upl_mbuf != NULL) { + m_freem(sc->sc_cdata.upl_rx_chain[i].upl_mbuf); + sc->sc_cdata.upl_rx_chain[i].upl_mbuf = NULL; + } + if (sc->sc_cdata.upl_rx_chain[i].upl_xfer != NULL) { + usbd_free_xfer(sc->sc_cdata.upl_rx_chain[i].upl_xfer); + sc->sc_cdata.upl_rx_chain[i].upl_xfer = NULL; + } + } + + /* Free TX resources. */ + for (i = 0; i < UPL_TX_LIST_CNT; i++) { + if (sc->sc_cdata.upl_tx_chain[i].upl_mbuf != NULL) { + m_freem(sc->sc_cdata.upl_tx_chain[i].upl_mbuf); + sc->sc_cdata.upl_tx_chain[i].upl_mbuf = NULL; + } + if (sc->sc_cdata.upl_tx_chain[i].upl_xfer != NULL) { + usbd_free_xfer(sc->sc_cdata.upl_tx_chain[i].upl_xfer); + sc->sc_cdata.upl_tx_chain[i].upl_xfer = NULL; + } + } + + ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); +} + +Static int +upl_output(struct ifnet *ifp, struct mbuf *m, struct sockaddr *dst, + struct rtentry *rt0) +{ + int s; + + DPRINTFN(10,("%s: %s: enter\n", + USBDEVNAME(((struct upl_softc *)ifp->if_softc)->sc_dev), + __FUNCTION__)); + + s = splimp(); + /* + * Queue message on interface, and start output if interface + * not yet active. + */ + if (IF_QFULL(&ifp->if_snd)) { + IF_DROP(&ifp->if_snd); + splx(s); + return (ENOBUFS); + } + ifp->if_obytes += m->m_pkthdr.len; + IF_ENQUEUE(&ifp->if_snd, m); + if ((ifp->if_flags & IFF_OACTIVE) == 0) + (*ifp->if_start)(ifp); + splx(s); + + return (0); +} + +Static void +upl_input(struct ifnet *ifp, struct mbuf *m) +{ + struct ifqueue *inq; + int s; + + /* XXX Assume all traffic is IP */ + + schednetisr(NETISR_IP); + inq = &ipintrq; + + s = splimp(); + if (IF_QFULL(inq)) { + IF_DROP(inq); + splx(s); +#if 0 + if (sc->sc_flags & SC_DEBUG) + printf("%s: input queue full\n", ifp->if_xname); +#endif + ifp->if_iqdrops++; + return; + } + IF_ENQUEUE(inq, m); + splx(s); + ifp->if_ipackets++; + ifp->if_ibytes += m->m_len; + ifp->if_lastchange = time; +} |