d/freebsd-nq
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First driver with user-configurable polling(4).

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This commit is contained in:
Ruslan Ermilov 2004-04-11 13:47:15 +00:00
parent fc2814036c
commit e695984e6f
2 changed files with 26 additions and 2 deletions
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14
sys/dev/dc/if_dc.c
View File

@ -2320,6 +2320,10 @@ dc_attach(device_t dev)
*/
ifp->if_data.ifi_hdrlen = sizeof(struct ether_vlan_header);
ifp->if_capabilities |= IFCAP_VLAN_MTU;
#ifdef DEVICE_POLLING
ifp->if_capabilities |= IFCAP_POLLING;
#endif
ifp->if_capenable = ifp->if_capabilities;
callout_init(&sc->dc_stat_ch, IS_MPSAFE ? CALLOUT_MPSAFE : 0);
@ -3083,6 +3087,10 @@ dc_poll(struct ifnet *ifp, enum poll_cmd cmd, int count)
{
struct dc_softc *sc = ifp->if_softc;
if (!(ifp->if_capenable & IFCAP_POLLING)) {
ether_poll_deregister(ifp);
cmd = POLL_DEREGISTER;
}
if (cmd == POLL_DEREGISTER) { /* final call, enable interrupts */
/* Re-enable interrupts. */
CSR_WRITE_4(sc, DC_IMR, DC_INTRS);
@ -3153,7 +3161,8 @@ dc_intr(void *arg)
#ifdef DEVICE_POLLING
if (ifp->if_flags & IFF_POLLING)
goto done;
if (ether_poll_register(dc_poll, ifp)) { /* ok, disable interrupts */
if ((ifp->if_capenable & IFCAP_POLLING) &&
ether_poll_register(dc_poll, ifp)) { /* ok, disable interrupts */
CSR_WRITE_4(sc, DC_IMR, 0x00000000);
goto done;
}
@ -3698,6 +3707,9 @@ dc_ioctl(struct ifnet *ifp, u_long command, caddr_t data)
sc->dc_srm_media = 0;
#endif
break;
case SIOCSIFCAP:
ifp->if_capenable = ifr->ifr_reqcap;
break;
default:
error = ether_ioctl(ifp, command, data);
break;

14
sys/pci/if_dc.c
View File

@ -2320,6 +2320,10 @@ dc_attach(device_t dev)
*/
ifp->if_data.ifi_hdrlen = sizeof(struct ether_vlan_header);
ifp->if_capabilities |= IFCAP_VLAN_MTU;
#ifdef DEVICE_POLLING
ifp->if_capabilities |= IFCAP_POLLING;
#endif
ifp->if_capenable = ifp->if_capabilities;
callout_init(&sc->dc_stat_ch, IS_MPSAFE ? CALLOUT_MPSAFE : 0);
@ -3083,6 +3087,10 @@ dc_poll(struct ifnet *ifp, enum poll_cmd cmd, int count)
{
struct dc_softc *sc = ifp->if_softc;
if (!(ifp->if_capenable & IFCAP_POLLING)) {
ether_poll_deregister(ifp);
cmd = POLL_DEREGISTER;
}
if (cmd == POLL_DEREGISTER) { /* final call, enable interrupts */
/* Re-enable interrupts. */
CSR_WRITE_4(sc, DC_IMR, DC_INTRS);
@ -3153,7 +3161,8 @@ dc_intr(void *arg)
#ifdef DEVICE_POLLING
if (ifp->if_flags & IFF_POLLING)
goto done;
if (ether_poll_register(dc_poll, ifp)) { /* ok, disable interrupts */
if ((ifp->if_capenable & IFCAP_POLLING) &&
ether_poll_register(dc_poll, ifp)) { /* ok, disable interrupts */
CSR_WRITE_4(sc, DC_IMR, 0x00000000);
goto done;
}
@ -3698,6 +3707,9 @@ dc_ioctl(struct ifnet *ifp, u_long command, caddr_t data)
sc->dc_srm_media = 0;
#endif
break;
case SIOCSIFCAP:
ifp->if_capenable = ifr->ifr_reqcap;
break;
default:
error = ether_ioctl(ifp, command, data);
break;