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Code Issues Releases Activity

Defer axe_tick processing to a USB task, since axe miibus operations

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need to sleep. This avoids an INVARIANTS panic. It looks like if_rue
and if_aue need a similar change, but I don't have hardware to test.
This commit is contained in:
Ian Dowse 2006-05-27 23:46:13 +00:00
parent c824b333f6
commit 203eec4b02
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=158992
2 changed files with 20 additions and 0 deletions
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19
sys/dev/usb/if_axe.c
View File

@ -129,6 +129,7 @@ Static int axe_encap(struct axe_softc *, struct mbuf *, int);
Static void axe_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
Static void axe_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
Static void axe_tick(void *);
Static void axe_tick_task(void *);
Static void axe_rxstart(struct ifnet *);
Static void axe_start(struct ifnet *);
Static int axe_ioctl(struct ifnet *, u_long, caddr_t);
@ -426,6 +427,8 @@ USB_ATTACH(axe)
USB_ATTACH_ERROR_RETURN;
}
usb_init_task(&sc->axe_tick_task, axe_tick_task, sc);
if (usbd_device2interface_handle(uaa->device,
AXE_IFACE_IDX, &sc->axe_iface)) {
printf("axe%d: getting interface handle failed\n",
@ -547,6 +550,8 @@ axe_detach(device_ptr_t dev)
sc->axe_dying = 1;
untimeout(axe_tick, sc, sc->axe_stat_ch);
usb_rem_task(sc->axe_udev, &sc->axe_tick_task);
#if __FreeBSD_version >= 500000
ether_ifdetach(ifp);
if_free(ifp);
@ -716,6 +721,20 @@ axe_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
Static void
axe_tick(void *xsc)
{
struct axe_softc *sc = xsc;
if (sc == NULL)
return;
if (sc->axe_dying)
return;
/* Perform periodic stuff in process context */
usb_add_task(sc->axe_udev, &sc->axe_tick_task);
}
Static void
axe_tick_task(void *xsc)
{
struct axe_softc *sc;
struct ifnet *ifp;

1
sys/dev/usb/if_axereg.h
View File

@ -147,6 +147,7 @@ struct axe_softc {
unsigned char axe_phyaddrs[2];
struct timeval axe_rx_notice;
struct usb_qdat axe_qdat;
struct usb_task axe_tick_task;
};
#if 0