[cadcdev-svn-commits] SF.net SVN: cadcdev: [406] kos/kernel/arch/dreamcast/hardware/network/ broadband_adapter.c

[<ljs...@us...>]

Revision: 406
          http://svn.sourceforge.net/cadcdev/?rev=406&view=rev
Author:   ljsebald
Date:     2007-05-24 18:16:24 -0700 (Thu, 24 May 2007)

Log Message:
-----------
Added in code to support polling receives on the BBA. Also, made it so that this new functionality works in an irq.

Modified Paths:
--------------
    kos/kernel/arch/dreamcast/hardware/network/broadband_adapter.c

Modified: kos/kernel/arch/dreamcast/hardware/network/broadband_adapter.c
===================================================================
--- kos/kernel/arch/dreamcast/hardware/network/broadband_adapter.c	2007-05-25 01:10:09 UTC (rev 405)
+++ kos/kernel/arch/dreamcast/hardware/network/broadband_adapter.c	2007-05-25 01:16:24 UTC (rev 406)
@@ -4,6 +4,7 @@
 
    Copyright (C)2001,2003,2005 Dan Potter
    Copyright (C)2004 Vincent Penne
+   Copyright (C)2007 Lawrence Sebald
 
  */
 
@@ -517,7 +518,7 @@
 	if (len <= 0)
 		return 1;
 
-	if (len > DMA_THRESHOLD) {
+	if (len > DMA_THRESHOLD && !irq_inside_int()) {
 		uint32 add;
 
 		/*
@@ -952,9 +953,26 @@
 	return 0;
 }
 
-/* All RX is done via the interrupt */
 static int bba_if_rx_poll(netif_t *self) {
-	return -1;
+	int intr;
+
+	intr = g2_read_16(NIC(RT_INTRSTATUS));
+
+	if (intr & RT_INT_RX_ACK) {
+		bba_rx();
+
+		/* so that the irq is not called */
+		g2_write_16(NIC(RT_INTRSTATUS), RT_INT_RX_ACK);
+	}
+
+	if (rxout != rxin) {
+		/* Call the callback to process it */
+		eth_rx_callback(rx_pkt[rxout].rxbuff, rx_pkt[rxout].pkt_size);
+
+		rxout = (rxout + 1) % MAX_PKTS;
+	}
+
+	return 0;
 }
 
 /* Don't need to hook anything here yet */


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