Network fixes

libxenon.dockerfile

@@ -1,6 +1,6 @@
 FROM free60/toolchain:latest
 
-RUN apt update && apt install nano && \
+RUN apt update && apt install nano bc && \
   apt -y clean autoclean autoremove && \
   rm -rf /var/lib/{apt,dpkg,cache,log}/
 

libxenon/drivers/lwip/xenon/netif/enet.c

@@ -1,4 +1,5 @@
 //#include "lwipopts.h"
+#include <stdlib.h>
 #include "lwip/opt.h"
 #include "lwip/def.h"
 #include "lwip/mem.h"
@@ -182,7 +183,11 @@ err_t enet_init(struct netif *netif)
 	netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP;
 
 #if LWIP_NETIF_HOSTNAME
-    netif->hostname = "XeLL";
+    // Make this a unique identifier using the MAC address as a base.
+    // It should help with DHCP assignment or rebinding issues.
+    char *gen_hostname;
+    asprintf(&gen_hostname, "%02X%02X%02X%02X%02X%02X-xenon", netif->hwaddr[0], netif->hwaddr[1], netif->hwaddr[2], netif->hwaddr[3], netif->hwaddr[4], netif->hwaddr[5]);
+    netif->hostname = gen_hostname;
 #endif
 
 	//printf("NETIF at %p\n", netif);

libxenon/drivers/network/network.c

@@ -64,10 +64,11 @@ void network_init()
 
 	dhcp_wait=mftb();
 	int i = 0;
-	while (netif.ip_addr.addr==0 && i < 60) {
+	// Extend timeouts to accomodate slower network links such as wireless<->ethernet bridges
+	while (netif.ip_addr.addr==0 && i < 90) {
 		network_poll();
 		now2=mftb();
-		if (tb_diff_msec(now2, dhcp_wait) >= 250){
+		if (tb_diff_msec(now2, dhcp_wait) >= 300){
 			dhcp_wait=mftb();
 			i++;
 			if (i % 2)
@@ -120,7 +121,8 @@ void network_print_config()
 {
 	printf(" * network config: %d.%d.%d.%d / %d.%d.%d.%d\n",
 		NTOA(netif.ip_addr), NTOA(netif.netmask));
-	printf("              MAC: %02X%02X%02X%02X%02X%02X\n\n",
+	// Add colon separators for the PHY MAC address.
+	printf("              MAC: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
 			netif.hwaddr[0], netif.hwaddr[1], netif.hwaddr[2],
 			netif.hwaddr[3], netif.hwaddr[4], netif.hwaddr[5]);
 }

libxenon/drivers/ppc/c_except.c

@@ -1,4 +1,7 @@
 #include <console/console.h>
+#include <console/telnet_console.h>
+#include <input/input.h>
+#include <usb/usbmain.h>
 #include <ppc/cache.h>
 #include <ppc/register.h>
 #include <stdio.h>
@@ -73,6 +76,9 @@ void crashdump(u32 exception,u64 * context)
 	if(!xenos_is_initialized())
         xenos_init(VIDEO_MODE_AUTO);
 
+	// Enable stack dump capture over telnet
+	telnet_console_init();
+
 	console_set_colors(0x000080ff, 0xffffffff);
 	console_init();
 	console_clrscr();
@@ -94,28 +100,59 @@ void crashdump(u32 exception,u64 * context)
 	for(i=0;i<8;++i)
 		sprintf(text,"%s%02d=%016llx %02d=%016llx %02d=%016llx %02d=%016llx\n",
 				text,i,context[i],i+8,context[i+8],i+16,context[i+16],i+24,context[i+24]);
-	
+
 	flush_console();
-	
+
 	_cpu_print_stack((void*)(u32)context[36],(void*)(u32)context[32],(void*)(u32)context[1]);
-	
-	strcat(text,"\n\nOn uart: 'x'=Xell, 'h'=Halt, 'r'=Reboot\n\n");
+
+	strcat(text,"\n\nOn telnet or uart: 'x'=Soft reboot to XeLL, 'h'=Shutdown, 'r'=Hard reboot\n\nOn controller: 'x'=Soft reboot to XeLL, 'y'=Shutdown, 'b'=Hard Reboot\n\n\n");
 
 	flush_console();
 
+	// September 26 2025 - add more crash handling options.
+	// If using telnet you can capture the stack trace over the network instead of needing UART cabling.
+	// Caveat: if networking crashed in the program beforehand, YMMV :)
+
+	// Add also controller support to take an action in case of stack dump.
+	struct controller_data_s controller;
+	struct controller_data_s button;
+
 	for(;;){
-		switch(getch()){
-			case 'x':
+		// Read controller input
+		if (get_controller_data(&button, 0)){
+			if((button.x)&&(!controller.x)){
 				exit(0);
 				break;
-			case 'h':
-				xenon_smc_power_shutdown();
-				for(;;);
-				break;
-			case 'r':
-				xenon_smc_power_reboot();
-				for(;;);
-				break;
+			}
+			if((button.y)&&(!controller.y)){
+                                xenon_smc_power_shutdown();
+                                for(;;);
+                                break;
+			}
+			if((button.b)&&(!controller.b)){
+                                xenon_smc_power_reboot();
+                                for(;;);
+                                break;
+			}
+			controller=button;
+		}
+ 		usb_do_poll();
+
+		// Read UART char or telnet
+		if(kbhit()){
+			switch(getch()){
+				case 'x':
+					exit(0);
+					break;
+				case 'h':
+					xenon_smc_power_shutdown();
+					for(;;);
+					break;
+				case 'r':
+					xenon_smc_power_reboot();
+					for(;;);
+					break;
+				}
+			}
 		}
-	}
 }