On Thu, Jan 17, 2013 at 1:45 PM, Maciej Soltysiak wrote: > Hi, I configured he.net tunnel according to > http://wiki.openwrt.org/doc/uci/network6 and works with latest 3.7.2-4. > > However I don't understand how my client is supposed get an ip6 address. > radvd is gone and I don't see anything handing out me an ip6 addr. Who's > job is it now then? > dnsmasq is supposed to do the job now, but the configuration via openwrt's config is in flux. There is documentation floating about on dnsmasq-discuss as well as inside the the dnsmasq-2.66test10 tarball on how to do it at the command line.... > > Maciej > > On Wed, Jan 16, 2013 at 10:53 PM, Maciej Soltysiak wrote: > >> Saw this in dmesg too: >> >> [ 720.030000] ------------[ cut here ]------------ >> [ 720.030000] WARNING: at >> /build/cero2/src/Cerowrt-next/build_dir/target-mips_r2_uClibc-0.9.33.2/linux-ar71xx_generic/compat-wireless-2013-01-07/net/mac80211/chan.c:162 >> __ieee80211_vif_release_channel+0x1d0/0x254 [mac80211]() >> [ 720.050000] Modules linked in: sch_teql sch_tbf sch_sfq sch_red >> sch_qfq sch_prio sch_ns2_codel sch_nfq_codel sch_netem sch_htb sch_gred >> sch_efq_codel sch_dsmark em_text em_nbyte em_meta em_cmp cls_basic >> act_police act_ipt act_connmark act_skbedit act_mirred em_u32 cls_u32 >> cls_tcindex cls_flow cls_route cls_fw sch_hfsc sch_fq_codel sch_codel >> sch_ingress usb_storage ath79_wdt ohci_hcd xt_hashlimit xt_set(O) >> ip_set_list_set(O) ip_set_hash_netport(O) ip_set_hash_netiface(O) >> ip_set_hash_net(O) ip_set_hash_ipportnet(O) ip_set_hash_ipportip(O) >> ip_set_hash_ipport(O) ip_set_hash_ip(O) ip_set_bitmap_port(O) >> ip_set_bitmap_ipmac(O) ip_set_bitmap_ip(O) ip_set(O) ip6t_REJECT ip6t_rt >> ip6t_hbh ip6t_mh ip6t_ipv6header ip6t_frag ip6t_eui64 ip6t_ah ip6table_raw >> ip6table_mangle ip6table_filter ip6_tables nf_conntrack_ipv6 nf_defrag_ipv6 >> nfnetlink nf_nat_irc nf_nat_ftp nf_conntrack_irc nf_conntrack_ftp xt_policy >> xt_esp ipt_ah xt_HL xt_hl xt_ecn ipt_ECN xt_CLASSIFY xt_time xt_tcpmss >> xt_statistic xt_mark xt_length xt_DSCP xt_dscp xt_string xt_layer7 xt_quota >> xt_pkttype xt_physdev xt_owner xt_addrtype ipt_MASQUERADE iptable_nat >> xt_nat nf_nat_ipv4 nf_nat xt_recent xt_helper xt_connmark xt_connbytes pptp >> pppoe xt_conntrack xt_CT iptable_raw xt_state nf_conntrack_ipv4 >> nf_defrag_ipv4 nf_conntrack ehci_hcd sd_mod pppox ipt_REJECT xt_TCPMSS >> xt_LOG xt_comment xt_multiport xt_mac xt_limit iptable_mangle >> iptable_filter ip_tables xt_tcpudp x_tables ip_gre gre ifb sit ipcomp >> xfrm4_tunnel xfrm4_mode_tunnel xfrm4_mode_transport xfrm4_mode_beet esp4 >> ah4 tunnel4 tun tcp_ledbat(O) ppp_async ppp_generic slhc af_key xfrm_user >> xfrm_ipcomp xfrm_algo vfat fat ext4 jbd2 mbcache autofs4 button_hotplug(O) >> ath9k(O) ath9k_common(O) ath9k_hw(O) ath(O) nls_utf8 nls_iso8859_2 >> nls_iso8859_15 nls_iso8859_13 nls_iso8859_1 nls_cp437 mac80211(O) usbcore >> usb_common scsi_mod nls_base ts_fsm ts_bm ts_kmp crc16 crc_ccitt ipv6 >> input_polldev cfg80211(O) compat(O) input_core sha1_generic md5 hmac >> des_generic deflate cbc authenc arc4 zlib_inflate zlib_deflate >> ledtrig_timer ledtrig_default_on leds_gpio gpio_button_hotplug(O) >> [ 720.230000] Call Trace: >> [ 720.240000] [<802a31c4>] dump_stack+0x8/0x34 >> [ 720.240000] [<80071e34>] warn_slowpath_common+0x78/0xa4 >> [ 720.250000] [<80071e78>] warn_slowpath_null+0x18/0x24 >> [ 720.250000] [<86d24f6c>] __ieee80211_vif_release_channel+0x1d0/0x254 >> [mac80211] >> [ 720.260000] [<86d253c0>] ieee80211_vif_release_channel+0x4c/0x64 >> [mac80211] >> [ 720.270000] [<86d14c8c>] ieee80211_stop_ap+0x194/0x1bc [mac80211] >> [ 720.270000] [<86c1c50c>] cfg80211_stop_ap+0x78/0xbc [cfg80211] >> [ 720.280000] [<8022c1ac>] genl_rcv_msg+0x1ec/0x234 >> [ 720.280000] [<8022b57c>] netlink_rcv_skb+0x6c/0xe4 >> [ 720.290000] [<8022bfb0>] genl_rcv+0x24/0x34 >> [ 720.290000] [<8022aeb0>] netlink_unicast+0x164/0x248 >> [ 720.300000] [<8022b334>] netlink_sendmsg+0x2c4/0x350 >> [ 720.300000] [<801f7064>] sock_sendmsg+0x80/0xb0 >> [ 720.310000] [<801f733c>] __sys_sendmsg+0x1a0/0x240 >> [ 720.310000] [<801f91b8>] sys_sendmsg+0x48/0x7c >> [ 720.320000] [<8006a064>] stack_done+0x20/0x40 >> [ 720.320000] >> [ 720.320000] ---[ end trace 38fe65d6c26f72f3 ]--- >> Does it look like something new or already seen? >> >> On Wed, Jan 16, 2013 at 10:48 PM, Dave Taht wrote: >> >>> At least one (possibly not new) unaligned exception trap has reared its >>> head in addrconf_prefix_rcv. >>> >>> https://www.bufferbloat.net/issues/419 >>> >>> This is a bad place for one! a network burp heisenbug.... >>> >>> On Wed, Jan 16, 2013 at 4:12 PM, Maciej Soltysiak wrote: >>> >>>> Good build! I have to report that the issue with polipo, DNS and TFO >>>> that I observed with 3.7.1-1 seems resolved. >>>> Test with and without TFO. >>>> Ketan, I won't post a bug unless it appears again. >>>> >>> >>> What I saw (Ages ago) was that dns would stop working over time in >>> polipo. >>> >>> >>>> >>>> Regards. >>>> Maciej >>>> On Wed, Jan 16, 2013 at 12:37 PM, Dave Taht wrote: >>>> >>>>> It's at: >>>>> >>>>> http://snapon.lab.bufferbloat.net/~cero2/cerowrt/wndr/3.7.2-3/ >>>>> >>>>> It seems pretty stable but with the ipv6 churn... >>>>> >>>>> [insert my std hyperbolic warnings about exposing the release to >>>>> default gws in front of spouses or young children] >>>>> >>>>> features: >>>>> >>>>> + dnsmasq 2.66test10 >>>>> + merge with openwrt head >>>>> + new unaligned access code from openwrt head (by nbd) and the >>>>> remainder of the older unaligned patch set (by robert bradley) ported >>>>> to work on top of that >>>>> >>>>> I have not checked to see if all traps are gone, you can look at that >>>>> via >>>>> files in /sys/debug/kernel/mips/ >>>>> >>>>> - it's mostly the ipv6 related traps I'm concerned about... >>>>> >>>>> The checksum routine changed and I did check checksums on a variety of >>>>> ipv4 ethernet traffic, but not enough to feel assured. >>>>> >>>>> + Bug fixed https://www.bufferbloat.net/issues/418 >>>>> >>>>> BUG_ON removed on TFO support in the kernel. TFO works. I tested it by: >>>>> >>>>> echo 3 > /proc/sys/net/ipv4/tcp_fastopen >>>>> editing /etc/init.d/polipo to add support for a boolean useTCPFastOpen >>>>> parameter >>>>> adding that parameter to /etc/config/polipo >>>>> testing with the current version of httping >>>>> >>>>> I will update the init script and config in the next spin. >>>>> >>>>> ... >>>>> >>>>> The churn in how to setup ipv6 sanely continues. The configuration for >>>>> how to do it has changed significantly again and is documented at: >>>>> >>>>> http://wiki.openwrt.org/doc/uci/network6 >>>>> >>>>> It's not clear to me to state of the ipv6 dnsmasq integration now. >>>>> There is much discussion on the dnsmasq-discuss list as to how to do >>>>> prefix-independent configuration as one example. >>>>> >>>>> as for the ipv6 related changes just now come down from openwrt, >>>>> steven barth tells me that: >>>>> >>>>> "6distributed functionality (prefix delegation) was merged into netifd >>>>> for size reasons. >>>>> The shell mess which was ipv6-support was abandoned. >>>>> >>>>> dhcpv6 is now a regular network proto in netifd (which can be added >>>>> ontop of other ipv4-wan types or separately for ipv6-only). >>>>> >>>>> network6 is unnecessary now. 6rd, 6to4 now automatically publish their >>>>> prefix. 6in4 adds a new option ip6prefix for adding the routed prefix. >>>>> >>>>> LANs / WLANs which want a prefix now just add a option ip6assign 64 to >>>>> the interface definition. >>>>> >>>>> See examples in: http://wiki.openwrt.org/doc/uci/network6 >>>>> >>>>> Prefix Announcement / DHCPv6 / Relaying has been untangled and should >>>>> be moved into the respective daemon config / init. I've done this for >>>>> 6relayd. >>>>> >>>>> For dnsmasq you will have to add config support similar to what is >>>>> done for DHCP in IPv4, so it should be easy to adapt. Maybe some of >>>>> the CeroWrt contributors like to add that. >>>>> >>>>> I also haven't looked at NPT yet. I've removed the shell-script mess >>>>> for now as we will not have all targets up to 3.7 in the coming weeks >>>>> and therefore also not a new ip6tables." >>>>> >>>>> AHCP is still lost and lonely in the configuration. >>>>> >>>>> I took a stab at enabling ipv6 NPT support myself in this release, but >>>>> the changes I'd made to the openwrt configuration didn't successfully >>>>> get the modules to compile nor create a package. My *non-working >>>>> patch* looked like this, and suggestions as to what sort of magic wand >>>>> to wave over it welcomed. >>>>> >>>>> diff --git a/include/netfilter.mk b/include/netfilter.mk >>>>> index 1d89e6d..3d65f76 100644 >>>>> --- a/include/netfilter.mk >>>>> +++ b/include/netfilter.mk >>>>> @@ -154,10 +154,14 @@ $(eval $(call >>>>> nf_add,IPT_IPV6,CONFIG_IP6_NF_MATCH_RT, $(P_V6)ip6t_rt)) >>>>> >>>>> $(eval $(call nf_add,IPT_IPV6,CONFIG_IP6_NF_TARGET_LOG, >>>>> $(P_V6)ip6t_LOG)) >>>>> $(eval $(call nf_add,IPT_IPV6,CONFIG_IP6_NF_TARGET_REJECT, >>>>> $(P_V6)ip6t_REJECT)) >>>>> +$(eval $(call nf_add,IPT_IPV6,CONFIG_IP6_NF_NAT, $(P_V6)nf_nat_ipv6)) >>>>> +$(eval $(call nf_add,IPT_IPV6,CONFIG_IP6_NF_TARGET_MASQUERADE, >>>>> $(P_V6)ip6t_MASQUERADE)) >>>>> +$(eval $(call nf_add,IPT_IPv6,CONFIG_IP6_NF_TARGET_NPT, >>>>> $(P_V6)ip6t_NPT)) >>>>> >>>>> # nat >>>>> >>>>> # kernel only >>>>> +$(eval $(if $(NF_KMOD),$(call nf_add,IPT_NAT6,CONFIG_IP6_NF_NAT, >>>>> $(P_V6)nf_nat_ipv6, ge 3.7.0),)) >>>>> $(eval $(if $(NF_KMOD),$(call nf_add,IPT_NAT,CONFIG_NF_NAT, >>>>> $(P_XT)nf_nat $(P_V4)nf_nat_ipv4 $(P_XT)xt_nat $(P_V4)iptable_nat, ge >>>>> 3.7.0),)) >>>>> $(eval $(if $(NF_KMOD),$(call nf_add,IPT_NAT,CONFIG_NF_NAT, >>>>> $(P_V4)nf_nat $(P_V4)iptable_nat, lt 3.7.0),)) >>>>> >>>>> diff --git a/package/kernel/modules/netfilter.mk >>>>> b/package/kernel/modules/netfilter.mk >>>>> index 69bdba0..d862c32 100644 >>>>> --- a/package/kernel/modules/netfilter.mk >>>>> +++ b/package/kernel/modules/netfilter.mk >>>>> @@ -164,6 +164,23 @@ endef >>>>> >>>>> $(eval $(call KernelPackage,ipt-nat)) >>>>> >>>>> +define KernelPackage/ipt-nat6 >>>>> + TITLE:=Basic NAT targets for IPv6 >>>>> + KCONFIG:=$(KCONFIG_IPT_NAT6) >>>>> + FILES:=$(foreach mod,$(IPT_NAT6-m),$(LINUX_DIR)/net/$(mod).ko) >>>>> + AUTOLOAD:=$(call AutoLoad,42,$(notdir $(IPT_NAT6-m))) >>>>> + $(call AddDepends/ipt) >>>>> +endef >>>>> + >>>>> +define KernelPackage/ipt-nat6/description >>>>> + Netfilter (IPv6) kernel modules for basic NAT targets >>>>> + Includes: >>>>> + - MASQUERADE >>>>> + - NPT >>>>> +endef >>>>> + >>>>> +$(eval $(call KernelPackage,ipt-nat6)) >>>>> + >>>>> >>>>> define KernelPackage/ipt-nat-extra >>>>> TITLE:=Extra NAT targets >>>>> >>>>> >>>>> -- >>>>> Dave Täht >>>>> >>>>> Fixing bufferbloat with cerowrt: >>>>> http://www.teklibre.com/cerowrt/subscribe.html >>>>> _______________________________________________ >>>>> Cerowrt-devel mailing list >>>>> Cerowrt-devel@lists.bufferbloat.net >>>>> https://lists.bufferbloat.net/listinfo/cerowrt-devel >>>>> >>>> >>>> >>> >>> >>> -- >>> Dave Täht >>> >>> Fixing bufferbloat with cerowrt: >>> http://www.teklibre.com/cerowrt/subscribe.html >>> >> >> > -- Dave Täht Fixing bufferbloat with cerowrt: http://www.teklibre.com/cerowrt/subscribe.html