/* RFC 2610 */
#define TAG_SLP_DA ((uint8_t) 78)
#define TAG_SLP_SCOPE ((uint8_t) 79)
+/* RFC 8925 */
+#define TAG_IPV6_ONLY_PREFERRED ((uint8_t) 108)
/* RFC 2937 */
#define TAG_NS_SEARCH ((uint8_t) 117)
/* RFC 3004 - The User Class Option for DHCP */
{ TAG_NETINFO_PARENT_TAG, "aNITAG" },
{ TAG_URL, "aURL" },
{ TAG_MUDURL, "aMUD-URL" },
+ { TAG_IPV6_ONLY_PREFERRED, "$IPv6-Only-Preferred" },
{ 0, NULL }
};
case 'p':
/* IP address pairs */
+ /* this option should be N x 8 bytes long */
+ if (len < 8 || len % 8 != 0) {
+ ND_PRINT("%s[length != N x 8 bytes]",
+ len == 0 ? " " : "");
+ bp += len;
+ len = 0;
+ break;
+ }
while (len >= 2*4) {
if (!first)
ND_PRINT(",");
}
break;
+ case TAG_IPV6_ONLY_PREFERRED:
+ /* this option should be 4 bytes long */
+ if (len != 4) {
+ ND_PRINT("[length != 4 bytes]");
+ nd_print_invalid(ndo);
+ bp += len;
+ len = 0;
+ }
+ ND_PRINT("%u", GET_BE_U_4(bp));
+ bp += 4;
+ len -= 4;
+ break;
+
default:
ND_PRINT("[unknown special tag %u, size %u]",
tag, len);