some cleanup in ethernet constants

sending back an ARP packet
rtl8139: started to implement write (work in progress)

1 files changed, 6 insertions, 0 deletions

diff --git a/src/drivers/net/rtl8139.h b/src/drivers/net/rtl8139.h
index 462526a..ec87d23 100644
--- a/src/drivers/net/rtl8139.h
+++ b/src/drivers/net/rtl8139.h
@@ -6,10 +6,13 @@
 #include "port.h"
 
 #define NOF_MAC_REGISTERS 6
+#define NOF_TRANSMIT_BUFFERS 4
 
 typedef struct {
 	network_t base;
 	port8_t MAC_port[NOF_MAC_REGISTERS];
+	port32_t TSD_port[NOF_TRANSMIT_BUFFERS];
+	port32_t TSAD_port[NOF_TRANSMIT_BUFFERS];
 	port32_t RBSTART_port;
 	port8_t CMD_port;
 	port16_t CAPR_port;
@@ -24,6 +27,8 @@ typedef struct {
 	const char *model;
 	uint8_t *receive_buffer;
 	uint16_t receive_buffer_pos;
+	uint8_t *transmit_buffer[NOF_TRANSMIT_BUFFERS];
+	int transmit_buffer_idx;
 	interrupt_handler_t interrupt_handler;
 } rtl8139_t;
 
@@ -37,6 +42,7 @@ void rtl8139_deactivate( void *obj );
 void rtl8139_deinit( void *obj );
 void rtl8139_print_name( void *obj );
 void rtl8139_print_info( void *obj );
+void rtl8139_write( void *obj, network_buffer_t buf );
 
 uint32_t rtl8139_handle_interrupt( interrupt_handler_t *handler, uint32_t esp );