Cleanup old file

icmp.c

@@ -1,65 +0,0 @@
-#include "net_defs.h"
-#include "cmd.h"
-#include "memory_manager.h"
-
-static volatile bool ping_reply_received = false;
-static uint16_t ping_id_counter = 0;
-
-void icmp_handle_packet(ipv4_address_t src, void *data, uint16_t len) {
-    icmp_header_t *icmp = (icmp_header_t *)data;
-    
-    if (icmp->type == 0) { // Echo Reply
-        ping_reply_received = true;
-        char buf[64];
-        // Simple output
-        cmd_write("Reply from ");
-        cmd_write_int(src.bytes[0]); cmd_write(".");
-        cmd_write_int(src.bytes[1]); cmd_write(".");
-        cmd_write_int(src.bytes[2]); cmd_write(".");
-        cmd_write_int(src.bytes[3]); 
-        cmd_write(": bytes=");
-        cmd_write_int(len - sizeof(icmp_header_t));
-        cmd_write(" seq=");
-        cmd_write_int(ntohs(icmp->sequence));
-        cmd_write("\n");
-    }
-}
-
-void cli_cmd_ping(char *args) {
-    if (!args || !*args) {
-        cmd_write("Usage: ping <ip>\n");
-        return;
-    }
-
-    // Parse IP (Simplified)
-    ipv4_address_t dest;
-    int ip_parts[4];
-    const char *p = args;
-    for(int i=0; i<4; i++) {
-        ip_parts[i] = 0;
-        while(*p >= '0' && *p <= '9') {
-            ip_parts[i] = ip_parts[i]*10 + (*p - '0');
-            p++;
-        }
-        if(*p == '.') p++;
-        dest.bytes[i] = (uint8_t)ip_parts[i];
-    }
-
-    cmd_write("Pinging...\n");
-
-    for (int i = 0; i < 4; i++) {
-        icmp_header_t icmp;
-        icmp.type = 8; // Echo Request
-        icmp.code = 0;
-        icmp.id = htons(++ping_id_counter);
-        icmp.sequence = htons(i + 1);
-        icmp.checksum = 0;
-        icmp.checksum = net_checksum(&icmp, sizeof(icmp_header_t));
-
-        ping_reply_received = false;
-        ip_send_packet(dest, IP_PROTO_ICMP, &icmp, sizeof(icmp_header_t));
-
-        // Simple busy wait for ~1 second (assuming loop speed)
-        for(volatile int w=0; w<100000000 && !ping_reply_received; w++);
-    }
-}