UDI/net_ne2000 - Fix incompatabilities pointed out by [com]buster
[tpg/acess2.git] / UDI / drivers / net_ne2000 / ne2000_rx.c
index e69de29..9b4b3c3 100644 (file)
@@ -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 );
+}
+
+

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