[lwip-devel] [bug #65814] PPPoS: ppp_close takes more time than expected

[Shrikrishna Borade]

URL:
  <https://savannah.nongnu.org/bugs/?65814>

                 Summary: PPPoS: ppp_close takes more time than expected
                   Group: lwIP - A Lightweight TCP/IP stack
               Submitter: shrikrishnab
               Submitted: Thu 30 May 2024 03:14:28 PM UTC
                Category: PPP
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None
            lwIP version: 2.2.0


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Follow-up Comments:


-------------------------------------------------------
Date: Thu 30 May 2024 03:14:28 PM UTC By: Shrikrishna Borade <shrikrishnab>
For PPPoS, once ppp_close is initiated, conf request is sent after term
request, which causes more time for clouser.

1970-01-01T00:00:48.660163 Initiating close...ppp_close[0]: kill_link ->
lcp_close
1970-01-01T00:00:48.667459 ppp phase changed[0]: phase=11
1970-01-01T00:00:48.672583 LCP: terminate_layer, current state 9, nextstate 4,
fsm_max_term_transmits 2
1970-01-01T00:00:48.681703 sifdown[0]: err_code=5
1970-01-01T00:00:48.686132 netif_set_ipaddr: netif address being changed
1970-01-01T00:00:48.692559 acd_netif_ip_addr_changed(): Address changed
1970-01-01T00:00:48.698900 acd_netif_ip_addr_changed(): old address =
10.0.145.27
1970-01-01T00:00:48.706108 acd_netif_ip_addr_changed(): new address = 0.0.0.0
1970-01-01T00:00:48.712969 netif: GW address of interface pp set to
hu.hu.hu.hu
1970-01-01T00:00:48.720009 ppp phase changed[0]: phase=9
1970-01-01T00:00:48.725042 netif_ip6_addr_set_state: netif address state being
changed
1970-01-01T00:00:48.732685 netif: IPv6 address 0 of interface pp set to
FE80::E522:100:E722:100/0xhhx
1970-01-01T00:00:48.741630 netif_ip6_addr_set: netif address being changed
1970-01-01T00:00:48.748231 netif: IPv6 address 0 of interface pp set to
::/0xhhx
1970-01-01T00:00:48.755353 sif6down[0]: err_code=5
1970-01-01T00:00:48.759869 ppp phase changed[0]: phase=6
1970-01-01T00:00:48.764907 ppp_send_config[0]
1970-01-01T00:00:48.768989 pppos_send_config[0]: out_accm=ff ff ff ff
1970-01-01T00:00:48.775155 ppp_recv_config[0]
1970-01-01T00:00:48.779237 pppos_recv_config[0]: in_accm=0 0 0 0
1970-01-01T00:00:48.784969 LCP: fsm_sdata, retransmission count 2!
1970-01-01T00:00:48.790876 sent [LCP TermReq id=0x2 "User request"]
1970-01-01T00:00:48.796877
1970-01-01T00:00:48.799396
1970-01-01T00:00:48.801914 PPP: serial tx (29):
1970-01-01T00:00:48.806257
7eff7d23c0217d257d227d207d3055736572207265717565737453337e
1970-01-01T00:00:48.813813 pppos_write[0
1970-01-01T00:00:48.817461
1970-01-01T00:00:48.817979 PPP: serial rx (18):
1970-01-01T00:00:48.817322 7eff7d23c0217d267d227d207d24947d2d7e
1970-01-01T00:00:48.817967 ~.}#.!}&}"} }$.}-~
1970-01-01T00:00:48.817049 pppos_input[0]: got 18 bytes
1970-01-01T00:00:48.817001 rcvd [LCP TermAck id=0x2]
1970-01-01T00:00:48.817690 ppp phase changed[0]: phase=6
1970-01-01T00:00:48.817727 ppp_send_config[0]
1970-01-01T00:00:48.817809 pppos_send_config[0]: out_accm=ff ff ff ff
1970-01-01T00:00:48.817976 ppp_recv_config[0]
1970-01-01T00:00:48.817058 pppos_recv_config[0]: in_accm=0 0 0 0
1970-01-01T00:00:48.817790 LCP: fsm_sconfreq, retransmit 0!
1970-01-01T00:00:48.817088 sent [LCP ConfReq id=0x3 <asyncmap 0x0> <magic
0x458b6> <pcomp> <accomp>]
1970-01-01T00:00:48.817953
1970-01-01T00:00:48.817472







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