Added setting for syslog IP

cmd_parser.c

@@ -42,6 +42,7 @@ extern __xdata char passwd[21];
 extern __xdata struct dhcp_state dhcp_state;
 
 extern __xdata uint8_t syslog_enabled;
+extern __xdata uip_ipaddr_t syslog_addr;
 
 __xdata uint8_t vlan_names[VLAN_NAMES_SIZE];
 __xdata uint16_t vlan_ptr;
@@ -1211,9 +1212,23 @@ void cmd_parser(void) __banked
 			if (cmd_words_b[1] > 0 && cmd_compare(1, "on")) {
 				print_string("UDP syslog enabled\n");
 				syslog_enabled = 1;
-			} else {
+			} else if (cmd_words_b[1] > 0 && cmd_compare(1, "off")){
 				print_string("UDP syslog disabled\n");
 				syslog_enabled = 0;
+			} else if (cmd_words_b[1] > 0 && cmd_compare(1, "ip")) {
+				if (cmd_words_b[3] < 0) {
+					print_string("Current syslog IP: ");
+					itoa(syslog_addr[0]); write_char('.'); itoa(syslog_addr[0] >> 8); write_char('.');
+					itoa(syslog_addr[1]); write_char('.'); itoa(syslog_addr[1] >> 8);
+					return;
+				} else if (!parse_ip(cmd_words_b[2])) {
+					uip_ipaddr(&syslog_addr, ip[0], ip[1], ip[2], ip[3]);
+					print_string("Setting syslog IP: ");
+					itoa(ip[0]); write_char('.'); itoa(ip[1]); write_char('.');
+					itoa(ip[2]); write_char('.'); itoa(ip[3]); write_char('\n');
+				} else {
+					print_string("Invalid IP address\n");
+				}
 			}
 		} else if (cmd_compare(0, "ip")) {
 			if (cmd_compare(1, "dhcp")) {

syslog.c

@@ -14,6 +14,7 @@ __xdata uint16_t logptr_r = 0;
 __xdata uint8_t full_line_available = 0;
 __xdata uint8_t syslog_enabled = 0;
 __xdata char char_to_write = 0;
+__xdata uip_ipaddr_t syslog_addr;
 
 #define DEST_OFFSET (0)
 #define SOURCE_OFFSET (DEST_OFFSET + 6)
@@ -24,9 +25,7 @@ __xdata char char_to_write = 0;
 
 void syslog_init(void) __banked
 {
-	logptr_r = 0;
+	syslog_addr[0] = 0xffff; syslog_addr[1] = 0xffff; // Default to broadcast
-	logptr_w = 0;
-	full_line_available = 0;
 }
 
 void syslog_write_char(void) __banked
@@ -57,11 +56,7 @@ void handle_syslog(void) __banked
 		SYSLOG_O[DEST_OFFSET]     = 255;  SYSLOG_O[DEST_OFFSET + 1] = 255; SYSLOG_O[DEST_OFFSET + 2] = 255; 
 		SYSLOG_O[DEST_OFFSET + 3] = 255;  SYSLOG_O[DEST_OFFSET + 4] = 255; SYSLOG_O[DEST_OFFSET + 5] = 255; // broadcast
 		memcpy(SYSLOG_O + SOURCE_OFFSET, uip_ethaddr.addr, 6); // Source MAC address
-/*
+
-		SYSLOG_O[SOURCE_OFFSET]     = uip_ethaddr.addr[0]; SYSLOG_O[SOURCE_OFFSET + 1] = uip_ethaddr.addr[1]; 
-		SYSLOG_O[SOURCE_OFFSET + 2] = uip_ethaddr.addr[2]; SYSLOG_O[SOURCE_OFFSET + 3] = uip_ethaddr.addr[3];  
-		SYSLOG_O[SOURCE_OFFSET + 4] = uip_ethaddr.addr[4]; SYSLOG_O[SOURCE_OFFSET + 5] = uip_ethaddr.addr[5];
-*/		 
 		SYSLOG_O[ETHERTYPE_OFFSET] = 0x08; SYSLOG_O[ETHERTYPE_OFFSET + 1] = 0x00; // Ethertype: IPv4
 
 		SYSLOG_O[IP_HEADER_OFFSET     ] = 0x45; SYSLOG_O[IP_HEADER_OFFSET +  1] = 0x00; // IPv4, no options
@@ -72,8 +67,8 @@ void handle_syslog(void) __banked
 		SYSLOG_O[IP_HEADER_OFFSET + 10] = 0x00; SYSLOG_O[IP_HEADER_OFFSET + 11] = 0x00; // Header Checksum (not calculated)
 		SYSLOG_O[IP_HEADER_OFFSET + 12] = uip_hostaddr[0] & 0xff; SYSLOG_O[IP_HEADER_OFFSET + 13] = uip_hostaddr[0] >> 8; 
 		SYSLOG_O[IP_HEADER_OFFSET + 14] = uip_hostaddr[1] & 0xff; SYSLOG_O[IP_HEADER_OFFSET + 15] = uip_hostaddr[1] >> 8;	// Source IP
-		SYSLOG_O[IP_HEADER_OFFSET + 16] = 192;                  SYSLOG_O[IP_HEADER_OFFSET + 17] = 168; 
+		SYSLOG_O[IP_HEADER_OFFSET + 16] = syslog_addr[0] & 0xff;  SYSLOG_O[IP_HEADER_OFFSET + 17] = syslog_addr[0] >> 8; 
-		SYSLOG_O[IP_HEADER_OFFSET + 18] = 10;                   SYSLOG_O[IP_HEADER_OFFSET + 19] = 240;	// Destination IP	
+		SYSLOG_O[IP_HEADER_OFFSET + 18] = syslog_addr[1] & 0xff;  SYSLOG_O[IP_HEADER_OFFSET + 19] = syslog_addr[1] >> 8;	// Destination IP
 		
 		SYSLOG_O[UDP_HEADER_OFFSET    ] = 0x02; SYSLOG_O[UDP_HEADER_OFFSET + 1] = 0x02; // Source Port
 		SYSLOG_O[UDP_HEADER_OFFSET + 2] = 0x02; SYSLOG_O[UDP_HEADER_OFFSET + 3] = 0x02; // Destination Port