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Remove debug.cp.mpsafenet: we no longer support running the network

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stack with conditional Giant acquisition, and IFF_NEEDSGIANT will
be removed in the near future.
This commit is contained in:
Robert Watson 2009-02-15 23:18:29 +00:00
parent e4edc14efd
commit c197427cee
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=188661
1 changed files with 7 additions and 30 deletions
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37
sys/dev/cp/if_cp.c
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@ -79,25 +79,9 @@ __FBSDID("$FreeBSD$");
printf ("%s: ", d->name); printf s;}})
#define CP_LOCK_NAME "cpX"
static int cp_mpsafenet = 1;
TUNABLE_INT("debug.cp.mpsafenet", &cp_mpsafenet);
SYSCTL_NODE(_debug, OID_AUTO, cp, CTLFLAG_RD, 0, "Cronyx Tau-PCI Adapters");
SYSCTL_INT(_debug_cp, OID_AUTO, mpsafenet, CTLFLAG_RD, &cp_mpsafenet, 0,
"Enable/disable MPSAFE network support for Cronyx Tau-PCI Adapters");
#define CP_LOCK(_bd) do { \
if (cp_mpsafenet) \
mtx_lock (&(_bd)->cp_mtx); \
} while (0)
#define CP_UNLOCK(_bd) do { \
if (cp_mpsafenet) \
mtx_unlock (&(_bd)->cp_mtx); \
} while (0)
#define CP_LOCK_ASSERT(_bd) do { \
if (cp_mpsafenet) \
mtx_assert (&(_bd)->cp_mtx, MA_OWNED); \
} while (0)
#define CP_LOCK(_bd) mtx_lock (&(_bd)->cp_mtx)
#define CP_UNLOCK(_bd) mtx_unlock (&(_bd)->cp_mtx)
#define CP_LOCK_ASSERT(_bd) mtx_assert (&(_bd)->cp_mtx, MA_OWNED)
static int cp_probe __P((device_t));
static int cp_attach __P((device_t));
@ -194,7 +178,6 @@ static struct cdevsw cp_cdevsw = {
.d_close = cp_close,
.d_ioctl = cp_ioctl,
.d_name = "cp",
.d_flags = D_NEEDGIANT,
};
/*
@ -478,9 +461,9 @@ static int cp_attach (device_t dev)
splx (s);
return (ENXIO);
}
callout_init (&led_timo[unit], cp_mpsafenet ? CALLOUT_MPSAFE : 0);
callout_init (&led_timo[unit], CALLOUT_MPSAFE);
error = bus_setup_intr (dev, bd->cp_irq,
INTR_TYPE_NET|(cp_mpsafenet?INTR_MPSAFE:0),
INTR_TYPE_NET|INTR_MPSAFE,
NULL, cp_intr, bd, &bd->cp_intrhand);
if (error) {
cp_destroy = 1;
@ -525,8 +508,7 @@ static int cp_attach (device_t dev)
d->hi_queue.ifq_maxlen = IFQ_MAXLEN;
mtx_init (&d->queue.ifq_mtx, "cp_queue", NULL, MTX_DEF);
mtx_init (&d->hi_queue.ifq_mtx, "cp_queue_hi", NULL, MTX_DEF);
callout_init (&d->timeout_handle,
cp_mpsafenet ? CALLOUT_MPSAFE : 0);
callout_init (&d->timeout_handle, CALLOUT_MPSAFE);
#else /*NETGRAPH*/
d->ifp = if_alloc(IFT_PPP);
if (d->ifp == NULL) {
@ -537,8 +519,6 @@ static int cp_attach (device_t dev)
if_initname (d->ifp, "cp", b->num * NCHAN + c->num);
d->ifp->if_mtu = PP_MTU;
d->ifp->if_flags = IFF_POINTOPOINT | IFF_MULTICAST;
if (!cp_mpsafenet)
d->ifp->if_flags |= IFF_NEEDSGIANT;
d->ifp->if_ioctl = cp_sioctl;
d->ifp->if_start = cp_ifstart;
d->ifp->if_watchdog = cp_ifwatchdog;
@ -2270,9 +2250,6 @@ static int cp_modevent (module_t mod, int type, void *unused)
{
static int load_count = 0;
if (cp_mpsafenet)
cp_cdevsw.d_flags &= ~D_NEEDGIANT;
switch (type) {
case MOD_LOAD:
#ifdef NETGRAPH
@ -2280,7 +2257,7 @@ static int cp_modevent (module_t mod, int type, void *unused)
printf ("Failed to register ng_cp\n");
#endif
++load_count;
callout_init (&timeout_handle, cp_mpsafenet?CALLOUT_MPSAFE:0);
callout_init (&timeout_handle, CALLOUT_MPSAFE);
callout_reset (&timeout_handle, hz*5, cp_timeout, 0);
break;
case MOD_UNLOAD: