Revert route-information option in RA. There are problems with some clients.

http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2014q3/008796.html

CHANGELOG

@@ -27,10 +27,6 @@ version 2.72
 	    servers which loop back are disabled and this event is logged.
 	    Thanks to Smoothwall for their sponsorship of this feature.
 
-	    Include an RFC4191 route information option in router 
-	    advertisements for the prefix we're advertising. Thanks to 
-	    Ilya Ponetaev for the patch.
-
 	    Extend --conf-dir to allow filtering of files. So
 	    --conf-dir=/etc/dnsmasq.d,\*.conf
 	    will load all the files in /etc/dnsmasq.d which end in .conf

src/radv.c

@@ -649,32 +649,6 @@ static int add_prefixes(struct in6_addr *local,  int prefix,
 		  inet_ntop(AF_INET6, local, daemon->addrbuff, ADDRSTRLEN);
 		  if (!option_bool(OPT_QUIET_RA))
 		    my_syslog(MS_DHCP | LOG_INFO, "RTR-ADVERT(%s) %s", param->if_name, daemon->addrbuff); 		    
-		  
-		  /* Send Route Information option (RFC4191, 2.3) */
-		  put_opt6_char(ICMP6_OPT_RT_INFO);
-		  /* Length in units of 8 octets will be 1 (header) +
-		   * 0, 1 or 2 (0...128 bits / 64 bit per unit) */
-		  if (0 == prefix)
-		    put_opt6_char(1);
-		  else if (prefix < 65) 
-		    put_opt6_char(2);
-		  else
-		    put_opt6_char(3);
-		  
-		  put_opt6_char(prefix);
-		  /* Same priority and advertised prefix */
-		  put_opt6_char(param->prio);
-		  /* "valid lifetime" seems more reasonable than "preferred" */
-		  put_opt6_long(valid);
-		  /* Actual prefix, only necessary part
-		   * Don't append any data in case of prefix length == 0  */
-		  if (0 != prefix) 
-		    {
-		      if (prefix < 65)
-			put_opt6((void *)local, 8);
-		      else
-			put_opt6((void *)local, 16);
-		    }
 		}
 	    }
 	}