X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=UDI%2Fdrivers%2Fnet_ne2000%2Fne2000_rx.c;h=9b4b3c32370195dd8c62dd15049beb268517c408;hb=c150d2bd6ee7c18c1b5f042ebfbd20d86cb34fe2;hp=e69de29bb2d1d6434b8b29ae775ad8c2e48c5391;hpb=729aa1c3613994659bce0394f3548d351eafea2a;p=tpg%2Facess2.git

diff --git a/UDI/drivers/net_ne2000/ne2000_rx.c b/UDI/drivers/net_ne2000/ne2000_rx.c
index e69de29b..9b4b3c32 100644
--- a/UDI/drivers/net_ne2000/ne2000_rx.c
+++ b/UDI/drivers/net_ne2000/ne2000_rx.c
@@ -0,0 +1,78 @@
+/*
+ * UDI Ne2000 NIC Driver
+ * By John Hodge (thePowersGang)
+ *
+ * ne2000_rx.c
+ * - Receive Code
+ */
+#define UDI_VERSION	0x101
+#define UDI_NIC_VERSION	0x101
+#include <udi.h>
+#include <udi_nic.h>
+#include "ne2000_common.h"
+
+// === PROTOTYPES ===
+udi_buf_write_call_t	ne2k_rx__buf_allocated;
+udi_pio_trans_call_t	ne2k_rx__complete;
+
+// === CODE ===
+void ne2k_nd_rx_channel_event_ind(udi_channel_event_cb_t *cb)
+{
+}
+void ne2k_nd_rx_rx_rdy(udi_nic_rx_cb_t *cb)
+{
+	udi_cb_t	*gcb = UDI_GCB(cb);
+	ne2k_rdata_t	*rdata = gcb->context;
+	
+	// Add cb(s) to avaliable list
+	if( rdata->rx_next_cb ) {
+		rdata->rx_last_cb->chain = cb;
+	}
+	else {
+		rdata->rx_next_cb = cb;
+	}
+	rdata->rx_last_cb = cb;
+	// Follow new chain
+	while( rdata->rx_last_cb->chain ) {
+		rdata->rx_last_cb = rdata->rx_last_cb->chain;
+	}
+	
+}
+void ne2k_intr__rx_ok(udi_cb_t *gcb)
+{
+	ne2k_rdata_t	*rdata = gcb->context;
+	if( rdata->rx_next_cb )
+	{
+		udi_nic_rx_cb_t	*rx_cb = rdata->rx_next_cb;
+		rdata->rx_next_cb = rx_cb->chain;
+		rx_cb->chain = NULL;
+		udi_debug_printf("ne2k_intr__rx_ok: Initialising buffer\n");
+		udi_buf_write(ne2k_rx__buf_allocated, UDI_GCB(rx_cb), NULL, 1520, rx_cb->rx_buf, 0, 0, UDI_NULL_BUF_PATH);
+	}
+	else
+	{
+		// Drop packet due to no free cbs
+		udi_debug_printf("ne2k_intr__rx_ok: Dropped due to no free rx cbs\n");
+		// TODO: Tell hardware to drop packet
+	}
+}
+
+void ne2k_rx__buf_allocated(udi_cb_t *gcb, udi_buf_t *new_buf)
+{
+	ne2k_rdata_t	*rdata = gcb->context;
+	udi_nic_rx_cb_t	*rx_cb = UDI_MCB(gcb, udi_nic_rx_cb_t);
+	
+	udi_debug_printf("ne2k_rx__buf_allocated: Buffer ready, cb=%p\n", rx_cb);
+	udi_pio_trans(ne2k_rx__complete, gcb,
+		rdata->pio_handles[NE2K_PIO_RX], 0, rx_cb->rx_buf, &rdata->rx_next_page);
+}
+
+void ne2k_rx__complete(udi_cb_t *gcb, udi_buf_t *new_buf, udi_status_t status, udi_ubit16_t result)
+{
+	udi_nic_rx_cb_t	*rx_cb = UDI_MCB(gcb, udi_nic_rx_cb_t);
+	rx_cb->rx_buf->buf_size = result;
+	// TODO: Check result
+	udi_nsr_rx_ind( rx_cb );
+}
+
+