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authorru <ru@FreeBSD.org>2004-04-11 15:18:09 +0000
committerru <ru@FreeBSD.org>2004-04-11 15:18:09 +0000
commit2ffc7fc1472a816ac5d68e7fb3b1df1ee3133988 (patch)
tree93ee7e97d8686843a5694d5b97df44d8a1e7c1b6 /sys/pci
parent7da0b60b1748a857455ed6d8209d898f2464f0aa (diff)
downloadFreeBSD-src-2ffc7fc1472a816ac5d68e7fb3b1df1ee3133988.zip
FreeBSD-src-2ffc7fc1472a816ac5d68e7fb3b1df1ee3133988.tar.gz
Implemented per-interface polling(4) control.
Diffstat (limited to 'sys/pci')
-rw-r--r--sys/pci/if_vr.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/sys/pci/if_vr.c b/sys/pci/if_vr.c
index 33a583a..66372be 100644
--- a/sys/pci/if_vr.c
+++ b/sys/pci/if_vr.c
@@ -849,6 +849,10 @@ vr_attach(dev)
ifp->if_init = vr_init;
ifp->if_baudrate = 10000000;
ifp->if_snd.ifq_maxlen = VR_TX_LIST_CNT - 1;
+#ifdef DEVICE_POLLING
+ ifp->if_capabilities |= IFCAP_POLLING;
+#endif
+ ifp->if_capenable = ifp->if_capabilities;
/*
* Do MII setup.
@@ -1265,6 +1269,10 @@ vr_poll(struct ifnet *ifp, enum poll_cmd cmd, int count)
struct vr_softc *sc = ifp->if_softc;
VR_LOCK(sc);
+ if (!(ifp->if_capenable & IFCAP_POLLING)) {
+ ether_poll_deregister(ifp);
+ cmd = POLL_DEREGISTER;
+ }
if (cmd == POLL_DEREGISTER) { /* final call, enable interrupts */
CSR_WRITE_2(sc, VR_IMR, VR_INTRS);
goto done;
@@ -1343,7 +1351,8 @@ vr_intr(arg)
#ifdef DEVICE_POLLING
if (ifp->if_flags & IFF_POLLING)
goto done;
- if (ether_poll_register(vr_poll, ifp)) { /* ok, disable interrupts */
+ if ((ifp->if_capenable & IFCAP_POLLING) &&
+ ether_poll_register(vr_poll, ifp)) { /* ok, disable interrupts */
CSR_WRITE_2(sc, VR_IMR, 0x0000);
vr_poll(ifp, 0, 1);
goto done;
@@ -1721,6 +1730,9 @@ vr_ioctl(ifp, command, data)
mii = device_get_softc(sc->vr_miibus);
error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, command);
break;
+ case SIOCSIFCAP:
+ ifp->if_capenable = ifr->ifr_reqcap;
+ break;
default:
error = ether_ioctl(ifp, command, data);
break;
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