X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/6c744a5a5235383b230e3854db9458409ad8781a..35592f46cdf2510114f767f968657711e4c226e9:/net/net.c?ds=inline

diff --git a/net/net.c b/net/net.c
index 98571b0..eac5d0e 100644
--- a/net/net.c
+++ b/net/net.c
@@ -4,7 +4,9 @@
 #include <smram.h>
 #include <pci-bother.h>
 #include <output.h>
+#include <minilib.h>
 #include "net.h"
+#include "../aseg/keyboard.h"
 
 static struct nic *_nic = 0x0;
 
@@ -12,6 +14,17 @@ extern struct pci_driver a3c90x_driver;
 
 static char test[1024] = {0};
 
+static char packet[4096] = {0};
+
+typedef struct packet_t {
+	char from[6];
+	char to[6];
+	unsigned short ethertype;
+	unsigned short datalen;
+	unsigned char command;
+	char data[];
+} packet_t;
+
 static unsigned char vga_read(unsigned char idx)
 {
 	outb(CRTC_IDX_REG, idx);
@@ -24,6 +37,24 @@ static unsigned int vga_base()
 	     + (((unsigned int) vga_read(CRTC_START_ADDR_LSB_IDX)) << 1);
 }
 
+void handle_command(packet_t * p)
+{
+	uint16_t dl = htons(p->datalen);
+	int i;
+
+	outputf("NIC: Command: 0x%x, %d bytes", p->command, dl);
+
+	switch (p->command) {
+	case 0x42:
+		for (i = 0; i < dl; i++)
+			kbd_inject_key(p->data[i]);
+		break;
+	case 0xFE:
+		outb(0xCF9, 0x4);       /* Reboot */
+		break;
+	}
+}
+
 void eth_poll()
 {
 	int i;
@@ -36,12 +67,33 @@ void eth_poll()
 	if (!_nic)
 		return;
 
-	_nic->poll(_nic, 0);
+	if (_nic->poll(_nic, 0)) {
+		_nic->packet = packet;
+		_nic->poll(_nic, 1);
+
+		packet_t * p = (packet_t *) packet;
+
+		outputf("NIC: Packet: %d 0x%x", _nic->packetlen, htons(p->ethertype));
+		if (htons(p->ethertype) == 0x1338) {
+			if (htons(p->datalen) + sizeof(packet_t) > _nic->packetlen) {
+				outputf("NIC: Malformed packet");
+			} else {
+				handle_command(p);
+			}
+		}
+	}
 	smram_tseg_set_state(SMRAM_TSEG_OPEN);
 	old_state = smram_save_state();
 	
 //	if ((c++) % 2)
 //		return;
+
+	if (((base + 80*25*2)%0x8000) < base)
+	{
+		if ((pos > ((base + 80*25*2)%0x8000)) && (pos < base))
+			pos = base;
+	} else if ((pos > base + 80*25*2) || (pos < base))
+		pos = base;
 	
 	test[0] = pos >> 8;
 	test[1] = pos & 0xFF;