Thanks Edman That is the same place I added, but I don't see ipv6 address get through yet. I also tried 2.1.3 and still same. May I know anything missing? Thanks a lot for your help Ivan
On Sat., 13 Nov. 2021, 1:08 am Zayzay, Edman G, <edmangzay...@eaton.com> wrote: > Hi Ivan, > > > > When you get your callback indicating that the connection is up, that is > when you need to send the router solicitation. > > > > See the example code below in the following link : > https://github.com/particle-iot/lwip-contrib/blob/master/examples/ppp/pppos_example.c > > > > Look at line 96 – 98 > > > > #if PPP_IPV6_SUPPORT > > fprintf(stderr, " our6_ipaddr = %s\n\r", > ip6addr_ntoa(netif_ip6_addr(pppif, 0))); > > > > *This is where you send Router Solicitation * > > > > #endif /* PPP_IPV6_SUPPORT */ > > > > > > > > *From:* lwip-users <lwip-users-bounces+edmangzayzay=eaton....@nongnu.org> *On > Behalf Of *Jiang Peng > *Sent:* Thursday, November 11, 2021 6:41 PM > *To:* Mailing list for lwIP users <lwip-users@nongnu.org> > *Subject:* Re: [lwip-users] [EXTERNAL] lwip IPV6 PPP only get link local > address and cannot connect to server > > > > Hi Edman, > > Thanks a lot for the information. It appears that is the same issue I > faced. > > I tried your suggestion, to add nd6_send_rs, but nothing happened, or I > just add it in wrong place(I call it in ppposif.c). > > Could you please shed some light on how to send this rs? > > Upgrading to 2.1.3 may not be an option for me for now. > > thanks a lot > > Ivan > > > > On Fri, 12 Nov 2021 at 01:08, Zayzay, Edman G <edmangzay...@eaton.com> > wrote: > > Hi Ivan, > > > > You need to explicitly send a router solicitation to the network in other > to get the full IPv6 Address. The function to call is nd6_send_rs() in > n6.c . However, this is a static function and you may have to create a > wrapper to call it. As of yesterday, LWIP 2.1.3 was released and they now > send RS automatically for IPv6. Hope this helps as I had the same issue 9 > months ago. > > > > Edman > > > > > > *From:* lwip-users <lwip-users-bounces+edmangzayzay=eaton....@nongnu.org> *On > Behalf Of *Jiang Peng > *Sent:* Wednesday, November 10, 2021 6:40 PM > *To:* lwip-users@nongnu.org > *Subject:* [EXTERNAL] [lwip-users] lwip IPV6 PPP only get link local > address and cannot connect to server > > > > Hi everyone, > > I have a project that is running LwIP V2.1.2. The stack is LwIP on top of > BG96 cellular modem. > > It works fine for IPV4, but when I enable IPV6, I only get IPV6 link local > address, and cannot get real IPV6 address, therefore, I cannot connect to > my server. > > The LwIP comes from ST cellular expansion package. > > I enable the log, and it got local and remote LL address, but after that > never got any real address, and cannot connect to my server. > > thanks a lot for any hints or suggestions. > > thanks > > Ivan > > > > ////////////////////////////////////////////////////////////////////////////logs > ////////////////////////////////////////////////////////////////////// > > 05.535 atcmd BG96:Activate PDN (user cid = 1, modem cid = 1) > 05.542 atcmd BG96:MODEM SWITCHES TO DATA MODE > 05.542 atcmd ATCore:<<< DATA MODE SELECTED >>> > ppposif_client_confignetif: netmask of interface set to 255.255.255.255 > netif: added interface pp IP addr 0.0.0.0 netmask 255.255.255.255 gw > 0.0.0.0 > ppp phase changed[0]: phase=0 > netif: setting default interface pp > netif: setting default interface pp > client ppp_notify_phase_cb: PPP_PHASE_DEADppposif_client_dead: > DC_SERVICE_OFF > 06.035 iot_cell =====>CST_notif_callback (Data Cache event=0) > ppp_connect[0]: holdoff=0 > ppp phase changed[0]: phase=3 > client ppp_notify_phase_cb: PPP_PHASE_INITIALIZEpppos_connect: unit 0: > connecting > ppp_start[0] > ppp phase changed[0]: phase=6 > pppos_send_config[0]: out_accm=FF FF FF FF > ppp_send_config[0] > pppos_recv_config[0]: in_accm=FF FF FF FF > ppp_recv_config[0] > ppp: auth protocols: PAP=0 > pppos_write[0]: len=24 > ppp_start[0]: finished > pppos_input[0]: got 61 bytes > pbuf_remove_header: old 0x24016058 new 0x2401605a (2) > No auth is possible > lcp_reqci: returning CONFREJ.pppos_write[0]: len=13 > tcpip_inpkt: PACKET 0x24016258/0x2400eae8 > pppos_input[0]: got 7 bytes > pbuf_remove_header: old 0x24016058 new 0x2401605a (2) > tcpip_inpkt: PACKET 0x24016258/0x2400eae8 > pppos_input[0]: got 1 bytes > tcpip_inpkt: PACKET 0x24016258/0x2400eae8 > pppos_input[0]: got 44 bytes > pbuf_remove_header: old 0x24016058 new 0x2401605a (2) > lcp_reqci: returning CONFACK.pppos_write[0]: len=24 > netif_set_mtu[0]: mtu=1500 > pppos_send_config[0]: out_accm=0 0 0 0 > ppp_send_config[0] > pppos_recv_config[0]: in_accm=0 0 0 0 > ppp_recv_config[0] > ppp phase changed[0]: phase=7 > 07.031 iot_cell =====>CST_notif_callback (Data Cache event=2) > 07.128 iot_cell =====>CST_notif_callback (Data Cache event=0) > 07.128 iot_cell =====>CST_notif_callback (Data Cache event=1) > 07.128 iot_cell -----> New State: CST_PPP_CONFIG_ON_GOING_STATE <----- > 07.128 iot_cell ============ CST_cellular_service_task : autom_event = > no event > mtd_init.c +301 StartIoTTask Modem state is 18, ST > Safe found > ppp phase changed[0]: phase=9 > pppos_input[0]: got 21 bytes > ipv6cp: received interface identifier (fe80::1525:f2b1:ebca:3352) (ACK) > ipv6cp: returning Configure-ACKpppos_write[0]: len=18 > tcpip_inpkt: PACKET 0x24016258/0x2400eae8 > pppos_input[0]: got 20 bytes > pbuf_remove_header: old 0x24016058 new 0x2401605a (2) > local LL address fe80::d823:7001:beb5:b051pppos_write[0]: len=18 > tcpip_inpkt: PACKET 0x24016258/0x2400eae8 > pppos_input[0]: got 1 bytes > tcpip_inpkt: PACKET 0x24016258/0x2400eae8 > pppos_input[0]: got 19 bytes > pbuf_remove_header: old 0x24016058 new 0x2401605a (2) > ipv6cp: upnetif_ip6_addr_set: netif address being changed > netif: IPv6 address 0 of interface pp set to > FE80::D823:7001:BEB5:B051/0x0hx > netif_ip6_addr_set_state: netif address state being changed > netif: IPv6 address 0 of interface pp set to > FE80::D823:7001:BEB5:B051/0x0hx > sif6up[0]: err_code=0 > > our_ipaddr = 0.0.0.0 his_ipaddr = 0.0.0.0 netmask = > 255.255.255.255 dns1 = 8.8.8.8 dns2 = 8.8.4.4 > our6_ipaddr = FE80::D823:7001:BEB5:B051 > > local LL address fe80::d823:7001:beb5:b051 > remote LL address fe80::1525:f2b1:ebca:3352 > ppp phase changed[0]: phase=10 > > > -- > > Jiang Peng > > _______________________________________________ > lwip-users mailing list > lwip-users@nongnu.org > https://lists.nongnu.org/mailman/listinfo/lwip-users > > > > -- > > Jiang Peng > _______________________________________________ > lwip-users mailing list > lwip-users@nongnu.org > https://lists.nongnu.org/mailman/listinfo/lwip-users >
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