From ba60880472a507ff724595f29830753ec8aad40e Mon Sep 17 00:00:00 2001
From: John Hodge <tpg@mutabah.net>
Date: Wed, 2 Oct 2013 22:52:41 +0800
Subject: [PATCH] UDI/ne2000 - RX code implemented

---
 UDI/drivers/net_ne2000/ne2000_common.h | 11 +++++++++
 UDI/drivers/net_ne2000/ne2000_core.c   |  1 +
 UDI/drivers/net_ne2000/ne2000_pio.h    | 21 ++++++++---------
 UDI/drivers/net_ne2000/ne2000_rx.c     | 31 +++++++++++++++++++++++++-
 4 files changed, 53 insertions(+), 11 deletions(-)

diff --git a/UDI/drivers/net_ne2000/ne2000_common.h b/UDI/drivers/net_ne2000/ne2000_common.h
index 739bafe6..59801fbb 100644
--- a/UDI/drivers/net_ne2000/ne2000_common.h
+++ b/UDI/drivers/net_ne2000/ne2000_common.h
@@ -16,6 +16,14 @@
 
 #define ARRAY_SIZEOF(arr)	(sizeof(arr)/sizeof(arr[0]))
 
+enum {
+	NE2K_PIO_RESET,
+	NE2K_PIO_ENABLE,
+	NE2K_PIO_RX,
+	NE2K_PIO_IRQACK,
+	NE2K_PIO_TX,
+};
+
 typedef struct
 {
 	udi_init_context_t	init_context;
@@ -36,6 +44,9 @@ typedef struct
 	udi_channel_t	rx_channel;
 	udi_channel_t	tx_channel;
 	
+	udi_nic_rx_cb_t	*rx_next_cb;
+	udi_ubit8_t	rx_next_page;
+	
 	udi_ubit8_t	macaddr[6];
 } ne2k_rdata_t;
 
diff --git a/UDI/drivers/net_ne2000/ne2000_core.c b/UDI/drivers/net_ne2000/ne2000_core.c
index acecb498..ea562287 100644
--- a/UDI/drivers/net_ne2000/ne2000_core.c
+++ b/UDI/drivers/net_ne2000/ne2000_core.c
@@ -242,6 +242,7 @@ void ne2k_bus_irq_intr_event_ind(udi_intr_event_cb_t *cb, udi_ubit8_t flags)
 	{
 		ne2k_intr__rx_ok( UDI_GCB(cb) );
 	}
+	// TODO: TX IRQs
 	udi_intr_event_rdy(cb);
 }
 
diff --git a/UDI/drivers/net_ne2000/ne2000_pio.h b/UDI/drivers/net_ne2000/ne2000_pio.h
index b862fe87..71a3d060 100644
--- a/UDI/drivers/net_ne2000/ne2000_pio.h
+++ b/UDI/drivers/net_ne2000/ne2000_pio.h
@@ -192,21 +192,22 @@ udi_pio_trans_t	ne2k_pio_irqack[] = {
 	{UDI_PIO_LABEL, 0, 3},
 	{UDI_PIO_END_IMM, UDI_PIO_2BYTE, 0},
 };
+//
+//
+//
+udi_pio_trans_t ne2k_pio_tx[] = {
+	
+};
 
 struct {
 	udi_pio_trans_t	*trans_list;
 	udi_ubit16_t	list_length;
 	udi_ubit16_t	pio_attributes;
 } ne2k_pio_ops[] = {
-	{ne2k_pio_reset, ARRAY_SIZEOF(ne2k_pio_reset), 0},
-	{ne2k_pio_enable, ARRAY_SIZEOF(ne2k_pio_enable), 0},
-	{ne2k_pio_rx, ARRAY_SIZEOF(ne2k_pio_rx), 0},
-	{ne2k_pio_irqack, ARRAY_SIZEOF(ne2k_pio_irqack), 0},
+	[NE2K_PIO_RESET]  = {ne2k_pio_reset, ARRAY_SIZEOF(ne2k_pio_reset), 0},
+	[NE2K_PIO_ENABLE] = {ne2k_pio_enable, ARRAY_SIZEOF(ne2k_pio_enable), 0},
+	[NE2K_PIO_RX]     = {ne2k_pio_rx, ARRAY_SIZEOF(ne2k_pio_rx), 0},
+	[NE2K_PIO_IRQACK] = {ne2k_pio_irqack, ARRAY_SIZEOF(ne2k_pio_irqack), 0},
+	[NE2K_PIO_TX]     = {ne2k_pio_tx, ARRAY_SIZEOF(ne2k_pio_tx), 0},
 };
 const int NE2K_NUM_PIO_OPS = ARRAY_SIZEOF(ne2k_pio_ops);
-enum {
-	NE2K_PIO_RESET,
-	NE2K_PIO_ENABLE,
-	NE2K_PIO_RX,
-	NE2K_PIO_IRQACK,
-};
diff --git a/UDI/drivers/net_ne2000/ne2000_rx.c b/UDI/drivers/net_ne2000/ne2000_rx.c
index cc603902..f38f5107 100644
--- a/UDI/drivers/net_ne2000/ne2000_rx.c
+++ b/UDI/drivers/net_ne2000/ne2000_rx.c
@@ -9,9 +9,38 @@
 #include <udi_nic.h>
 #include "ne2000_common.h"
 
+// === PROTOTYPES ===
+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)
+{
+}
 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_pio_trans(ne2k_rx__complete, UDI_GCB(rx_cb),
+			rdata->pio_handles[NE2K_PIO_RX], 0, NULL, &rdata->rx_next_page);
+	}
+	else
+	{
+		// Drop packet due to no free cbs
+	}
 }
 
+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);
+	// TODO: Check result
+	udi_nsr_rx_ind( rx_cb );
+}
+
+
-- 
2.20.1