freebsd compat. layer: now both receiving and sending work with PCNET.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21048 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/add-ons/kernel/drivers/network/pcnet/dev/le/am79900.c

@@ -447,17 +447,25 @@ am79900_intr(void *arg)
 		return;
 	}
 
+#if 0
 	isr = (*sc->sc_rdcsr)(sc, LE_CSR0);
+#endif
+	{
+		cpu_status status;
+		HAIKU_INTR_REGISTER_ENTER(status);
+		isr = sc->sc_lastisr;
+		sc->sc_lastisr = 0;
+		HAIKU_INTR_REGISTER_LEAVE(status);
+	}
+
 #if defined(LEDEBUG) && LEDEBUG > 1
 	if (sc->sc_flags & LE_DEBUG)
 		if_printf(ifp, "%s: entering with isr=%04x\n", __func__, isr);
 #endif
-#if 0
 	if ((isr & LE_C0_INTR) == 0) {
 		LE_UNLOCK(sc);
 		return;
 	}
-#endif
 
 	/*
 	 * Clear interrupt source flags and turn off interrupts. If we

src/add-ons/kernel/drivers/network/pcnet/dev/le/glue.c

@@ -50,6 +50,7 @@ int HAIKU_CHECK_DISABLE_INTERRUPTS(device_t dev) {
 			BUS_SPACE_BARRIER_WRITE);
 		bus_space_write_2(lesc->sc_regt, lesc->sc_regh, PCNET_PCI_RDP,
 			value & ~LE_C0_INEA);
+		lesc->sc_am79900.lsc.sc_lastisr |= value;
 	}
 
 	HAIKU_INTR_REGISTER_LEAVE(status);

src/add-ons/kernel/drivers/network/pcnet/dev/le/lancevar.h

@@ -119,6 +119,8 @@ struct lance_softc {
 #define	LE_CARRIER	(1 << 2)
 #define	LE_DEBUG	(1 << 3)
 #define	LE_PROMISC	(1 << 4)
+
+	uint16_t sc_lastisr;
 };
 
 #define	LE_LOCK_INIT(_sc, _name)					\

src/libs/compat/freebsd_network/device.c

@@ -198,11 +198,13 @@ compat_read(void *cookie, off_t position, void *buf, size_t *numBytes)
 
 	len = min_c(max_c((size_t)mb->m_len, 0), *numBytes);
 
+#if 0
 	mb = m_defrag(mb, 0);
 	if (mb == NULL) {
 		*numBytes = 0;
 		return B_NO_MEMORY;
 	}
+#endif
 
 	memcpy(buf, mtod(mb, const void *), len);
 	*numBytes = len;

src/libs/compat/freebsd_network/if.c

@@ -161,7 +161,7 @@ ether_output(struct ifnet *ifp, struct mbuf *m, struct sockaddr *dst,
 static void
 ether_input(struct ifnet *ifp, struct mbuf *m)
 {
-	device_t dev = NULL; /* XXX */
+	device_t dev = ifp->if_dev;
 
 	IF_ENQUEUE(&dev->receive_queue, m);
 	release_sem_etc(dev->receive_sem, 1, B_DO_NOT_RESCHEDULE);