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Implemented per-interface polling(4) control.

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This commit is contained in:
Ruslan Ermilov 2004-04-11 21:01:12 +00:00
parent f4ab22c94a
commit 6707138161
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=128139
1 changed files with 13 additions and 5 deletions
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18
sys/dev/em/if_em.c
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@ -727,11 +727,10 @@ em_ioctl(struct ifnet *ifp, u_long command, caddr_t data)
case SIOCSIFCAP:
IOCTL_DEBUGOUT("ioctl rcv'd: SIOCSIFCAP (Set Capabilities)");
mask = ifr->ifr_reqcap ^ ifp->if_capenable;
if (mask & IFCAP_POLLING)
ifp->if_capenable ^= IFCAP_POLLING;
if (mask & IFCAP_HWCSUM) {
if (IFCAP_HWCSUM & ifp->if_capenable)
ifp->if_capenable &= ~IFCAP_HWCSUM;
else
ifp->if_capenable |= IFCAP_HWCSUM;
ifp->if_capenable ^= IFCAP_HWCSUM;
if (ifp->if_flags & IFF_RUNNING)
em_init(adapter);
}
@ -888,6 +887,10 @@ em_poll_locked(struct ifnet *ifp, enum poll_cmd cmd, int count)
mtx_assert(&adapter->mtx, MA_OWNED);
if (!(ifp->if_capenable & IFCAP_POLLING)) {
ether_poll_deregister(ifp);
cmd = POLL_DEREGISTER;
}
if (cmd == POLL_DEREGISTER) { /* final call, enable interrupts */
em_enable_intr(adapter);
return;
@ -945,7 +948,8 @@ em_intr(void *arg)
return;
}
if (ether_poll_register(em_poll, ifp)) {
if ((ifp->if_capenable & IFCAP_POLLING) &&
ether_poll_register(em_poll, ifp)) {
em_disable_intr(adapter);
em_poll_locked(ifp, 0, 1);
EM_UNLOCK(adapter);
@ -1864,6 +1868,10 @@ em_setup_interface(device_t dev, struct adapter * adapter)
ifp->if_capabilities |= IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_MTU;
#endif
#ifdef DEVICE_POLLING
ifp->if_capabilities |= IFCAP_POLLING;
ifp->if_capenable |= IFCAP_POLLING;
#endif
/*
* Specify the media types supported by this adapter and register