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Date:	Mon, 27 May 2013 18:56:57 +0800
From:	Cong Wang <amwang@...hat.com>
To:	netfilter-devel@...r.kernel.org
Cc:	netdev@...r.kernel.org, Patrick McHardy <kaber@...sh.net>,
	"David S. Miller" <davem@...emloft.net>,
	Bjørn Mork <bjorn@...k.no>
Subject: Re: Some netfilter compile errors when CONFIG_IPV6=m


Cc'ing Bjørn who cares IPV6=m compile errors very much. :)

BTW, this is what I found while testing my vxlan patches with IPV6=m.

On Tue, 2013-05-14 at 10:45 +0800, Cong Wang wrote:
> Hi, all
> 
> I got the following compile errors when I compile IPv6 as a module and
> most of the rest are built into core kernel. David Miller insists we
> should fix this kind of error and not by adding Kconfig tricks.
> 
> net/built-in.o: In function `nf_tproxy_get_sock_v6':
> /home/wangcong/linux/include/net/netfilter/nf_tproxy_core.h:177:
> undefined reference to `udp6_lib_lookup'
> /home/wangcong/linux/include/net/netfilter/nf_tproxy_core.h:177:
> undefined reference to `udp6_lib_lookup'
> net/built-in.o: In function `tproxy_tg_init':
> /home/wangcong/linux/net/netfilter/xt_TPROXY.c:415: undefined reference
> to `nf_defrag_ipv6_enable'
> net/built-in.o: In function `socket_mt_init':
> /home/wangcong/linux/net/netfilter/xt_socket.c:366: undefined reference
> to `nf_defrag_ipv6_enable'
> 
> My .config is:
> 
> CONFIG_NET_IPGRE=m
> CONFIG_IPV6=m
> CONFIG_INET6_AH=m
> CONFIG_INET6_ESP=m
> CONFIG_INET6_IPCOMP=m
> CONFIG_IPV6_MIP6=m
> CONFIG_INET6_XFRM_TUNNEL=m
> CONFIG_INET6_TUNNEL=m
> CONFIG_INET6_XFRM_MODE_TRANSPORT=m
> CONFIG_INET6_XFRM_MODE_TUNNEL=m
> CONFIG_INET6_XFRM_MODE_BEET=m
> CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION=m
> CONFIG_IPV6_SIT=m
> CONFIG_IPV6_TUNNEL=m
> CONFIG_IPV6_GRE=m
> CONFIG_NF_CONNTRACK_H323=m
> CONFIG_NETFILTER_XT_TARGET_TEE=m
> CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
> CONFIG_NETFILTER_XT_MATCH_HASHLIMIT=m
> CONFIG_NETFILTER_XT_MATCH_PHYSDEV=m
> CONFIG_NF_NAT_H323=m
> CONFIG_NF_DEFRAG_IPV6=m
> CONFIG_NF_CONNTRACK_IPV6=m
> CONFIG_IP6_NF_IPTABLES=m
> CONFIG_IP6_NF_MATCH_AH=m
> CONFIG_IP6_NF_MATCH_EUI64=m
> CONFIG_IP6_NF_MATCH_FRAG=m
> CONFIG_IP6_NF_MATCH_OPTS=m
> CONFIG_IP6_NF_MATCH_HL=m
> CONFIG_IP6_NF_MATCH_IPV6HEADER=m
> CONFIG_IP6_NF_MATCH_MH=m
> CONFIG_IP6_NF_MATCH_RT=m
> CONFIG_IP6_NF_TARGET_HL=m
> CONFIG_IP6_NF_FILTER=m
> CONFIG_IP6_NF_TARGET_REJECT=m
> CONFIG_IP6_NF_MANGLE=m
> CONFIG_IP6_NF_RAW=m
> CONFIG_IP6_NF_SECURITY=m
> CONFIG_NF_NAT_IPV6=m
> CONFIG_IP6_NF_TARGET_MASQUERADE=m
> CONFIG_BRIDGE_NF_EBTABLES=m
> CONFIG_BRIDGE_EBT_BROUTE=m
> CONFIG_BRIDGE_EBT_T_FILTER=m
> CONFIG_BRIDGE_EBT_T_NAT=m
> CONFIG_BRIDGE_EBT_802_3=m
> CONFIG_BRIDGE_EBT_AMONG=m
> CONFIG_BRIDGE_EBT_ARP=m
> CONFIG_BRIDGE_EBT_IP=m
> CONFIG_BRIDGE_EBT_IP6=m
> CONFIG_BRIDGE_EBT_LIMIT=m
> CONFIG_BRIDGE_EBT_MARK=m
> CONFIG_BRIDGE_EBT_PKTTYPE=m
> CONFIG_BRIDGE_EBT_STP=m
> CONFIG_BRIDGE_EBT_VLAN=m
> CONFIG_BRIDGE_EBT_ARPREPLY=m
> CONFIG_BRIDGE_EBT_DNAT=m
> CONFIG_BRIDGE_EBT_MARK_T=m
> CONFIG_BRIDGE_EBT_REDIRECT=m
> CONFIG_BRIDGE_EBT_SNAT=m
> CONFIG_BRIDGE_EBT_LOG=m
> CONFIG_BRIDGE_EBT_ULOG=m
> CONFIG_BRIDGE_EBT_NFLOG=m
> CONFIG_IP_SCTP=m
> CONFIG_BRIDGE=m
> CONFIG_BONDING=m
> 
> all the rest are either =y or =n.
> 
> 
> Thanks.



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