From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Herz Subject: [PATCH v2 nf-next] added missing icmpv6 codes in REJECT Date: Fri, 21 Aug 2015 11:31:32 +0200 Message-ID: <1440149492-27796-1-git-send-email-andi@geekosphere.org> Cc: Andreas Herz To: netfilter-devel@vger.kernel.org Return-path: Received: from mail.geekosphere.org ([78.47.150.211]:59275 "EHLO mail.geekosphere.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752729AbbHUJbi (ORCPT ); Fri, 21 Aug 2015 05:31:38 -0400 Sender: netfilter-devel-owner@vger.kernel.org List-ID: RFC 4443 added two new codes values for ICMPv6 type 1: 5 - Source address failed ingress/egress policy 6 - Reject route to destination And RFC 7084 states in L-14 that IPv6 Router MUST send ICMPv6 Destination Unreachable with code 5 for packets forwarded to it that use an address from a prefix that has been invalidated. Signed-off-by: Andreas Herz --- include/uapi/linux/netfilter_ipv6/ip6t_REJECT.h | 4 +++- net/ipv6/netfilter/ip6t_REJECT.c | 6 ++++++ 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/include/uapi/linux/netfilter_ipv6/ip6t_REJECT.h b/include/uapi/linux/netfilter_ipv6/ip6t_REJECT.h index 205ed62..cd2e940 100644 --- a/include/uapi/linux/netfilter_ipv6/ip6t_REJECT.h +++ b/include/uapi/linux/netfilter_ipv6/ip6t_REJECT.h @@ -10,7 +10,9 @@ enum ip6t_reject_with { IP6T_ICMP6_ADDR_UNREACH, IP6T_ICMP6_PORT_UNREACH, IP6T_ICMP6_ECHOREPLY, - IP6T_TCP_RESET + IP6T_TCP_RESET, + IP6T_ICMP6_POLICY_FAIL, + IP6T_ICMP6_REJECT_ROUTE }; struct ip6t_reject_info { diff --git a/net/ipv6/netfilter/ip6t_REJECT.c b/net/ipv6/netfilter/ip6t_REJECT.c index 567367a..0ed841a 100644 --- a/net/ipv6/netfilter/ip6t_REJECT.c +++ b/net/ipv6/netfilter/ip6t_REJECT.c @@ -63,6 +63,12 @@ reject_tg6(struct sk_buff *skb, const struct xt_action_param *par) case IP6T_TCP_RESET: nf_send_reset6(net, skb, par->hooknum); break; + case IP6T_ICMP6_POLICY_FAIL: + nf_send_unreach6(net, skb, ICMPV6_POLICY_FAIL, par->hooknum); + break; + case IP6T_ICMP6_REJECT_ROUTE: + nf_send_unreach6(net, skb, ICMPV6_REJECT_ROUTE, par->hooknum); + break; } return NF_DROP; -- 2.4.6