+/*
+ * UDI Ne2000 NIC Driver
+ * By John Hodge (thePowersGang)
+ *
+ * ne2000_rx.c
+ * - Receive Code
+ */
+#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, NULL);
+ }
+ 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 );
+}
+
+