Hi All,
Issue is solved after linking the below files to my custom plugin.
+include_directories(/src/vnet)
+include_directories(/src/vnet/ipip)
+include_directories(/src/vnet/ipsec)
Also I did extern ipsec_sa_t * in my plugin.
Thanks,
Sagar
On Thu, Sep 22, 2022 at 10:29 PM sagar g <sagargad...@gmail.com> wrote:
>
> Hi All,
>
> I am trying to do the following tasks while deleting the sa to handle
> inflight packets.
>
> 1. sa delete event processed from main thread
> 2. I am trying to delay sa delete operation and queue this event to
> maintenance list
> 3. There is a timer run in each worker thread which iterates through the
> maintenance list upon timer expiry.
> 4. upon timer expiry, worker thread is trying to get the ipsec sa by doing
> [ipsec_sa_t *sa = pool_elt_at_index (ipsec_sa_pool, sa_index);] (sa_index
> is valid)
> 5. Now when I try to access the fields of sa, I see sa address is invalid
> and got SIGABORT.
>
> Please help me to know why my plugin is unable to get sa address unlike
> esp_encrypt and esp_decrypt plugins as these plugins also run in worker
> context.
>
> Is there some criteria to access ipsec pool entries by non-ipsec plugins?
>
> Note: Using GDB I have checked the contents of ipsec_sa_pool by offsetting
> the sa_index and I see there are valid contents.
>
> (gdb) bt
> #0 __pthread_kill_implementation (threadid=<optimized out>,
> signo=signo@entry=6, no_tid=no_tid@entry=0) at pthread_kill.c:44
> #1 0x00007ffb1f6818f3 in __pthread_kill_internal (signo=6,
> threadid=<optimized out>) at pthread_kill.c:78
> #2 0x00007ffb1f6346a6 in __GI_raise (sig=sig@entry=6) at
> ../sysdeps/posix/raise.c:26
> #3 0x00007ffb1f61e865 in __GI_abort () at abort.c:100
> #4 0x000055e3148a630a in os_exit (code=<optimized out>) at
> /usr/src/debug/vpp-21.06.0-5~ga619cae67_dirty.x86_64/src/vpp/vnet/main.c:477
> #5 <signal handler called>
> #6 0x00007ff89ef90757 in ipasec_sa_process_tick
> (time_now=290.00001059803714, wk_id=0)
> at
> /src/cna/.build/opt/external-package/fdio/src/fdio.2106/src/an-plugins/an_ppe_pce-plugin/an_ppe_pce/an_ppe_pce_tw_node.c:921
> #7 an_ppe_pce_timer_process_tick (tv_now=<optimized out>,
> wk_id=<optimized out>)
> at
> /src/cna/.build/opt/external-package/fdio/src/fdio.2106/src/an-plugins/an_ppe_pce-plugin/an_ppe_pce/an_ppe_pce_tw_node.c:1021
> #8 0x00007ff89ef92353 in an_ppe_pce_tw (vm=<optimized out>,
> node=<optimized out>, from_frame=<optimized out>)
> at
> /src/cna/.build/opt/external-package/fdio/src/fdio.2106/src/an-plugins/an_ppe_pce-plugin/an_ppe_pce/an_ppe_pce_tw_node.c:1141
> #9 0x00007ffb1f9c67ab in dispatch_node (last_time_stamp=<optimized out>,
> frame=0x0, dispatch_state=VLIB_NODE_STATE_POLLING,
> type=VLIB_NODE_TYPE_INPUT, node=0x7ff8a0bc8140, vm=0x7ff8a61f74c0)
> at
> /usr/src/debug/vpp-21.06.0-5~ga619cae67_dirty.x86_64/src/vlib/main.c:1072
> #10 vlib_main_or_worker_loop (is_main=0, vm=0x7ff8a61f74c0) at
> /usr/src/debug/vpp-21.06.0-5~ga619cae67_dirty.x86_64/src/vlib/main.c:1810
> #11 vlib_worker_loop (vm=0x7ff8a61f74c0) at
> /usr/src/debug/vpp-21.06.0-5~ga619cae67_dirty.x86_64/src/vlib/main.c:1975
> #12 0x00007ffb1f93b68c in clib_calljmp () at
> /usr/src/debug/vpp-21.06.0-5~ga619cae67_dirty.x86_64/src/vppinfra/longjmp.S:123
> #13 0x00007ff749932c80 in ?? ()
> #14 0x00007ff89aa931f2 in eal_thread_loop.cold () from
> /usr/lib/vpp_plugins/dpdk_plugin.so
> #15 0x0000000000000000 in ?? ()
> (gdb) f 6
> #6 0x00007ff89ef90757 in ipasec_sa_process_tick
> (time_now=290.00001059803714, wk_id=0)
> at
> /src/cna/.build/opt/external-package/fdio/src/fdio.2106/src/an-plugins/an_ppe_pce-plugin/an_ppe_pce/an_ppe_pce_tw_node.c:921
> 921
> /src/cna/.build/opt/external-package/fdio/src/fdio.2106/src/an-plugins/an_ppe_pce-plugin/an_ppe_pce/an_ppe_pce_tw_node.c:
> Success.
> (gdb) info locals
> p_oldest_elt = 0x7ff8bb682dd4
> sa = 0xffffffffbb67d440
> oldest_index = 1
> p_thread_data = 0x7ff8ae420bf0
> delete_flag = true
> delete_count = 0
> said = 17220
> p_thread_data = <optimized out>
> delete_flag = <optimized out>
> delete_count = <optimized out>
> said = <optimized out>
> __FUNCTION__ = {<optimized out> <repeats 23 times>}
> oldest_index = <optimized out>
> p_oldest_elt = <optimized out>
> sa = <optimized out>
> _pool_p__ = <optimized out>
> _pool_e__ = <optimized out>
> _pool_p = <optimized out>
> _pool_l = <optimized out>
> _vec_l = <optimized out>
> _V = <optimized out>
> _x = <optimized out>
> _y = <optimized out>
> (gdb) p *sa
> Cannot access memory at address 0xffffffffbb67d440
> (gdb)
>
> Thanks,
> Sagar
> --
> Regards,
> sagar g
>
--
Regards,
sagar g
-=-=-=-=-=-=-=-=-=-=-=-
Links: You receive all messages sent to this group.
View/Reply Online (#21922): https://lists.fd.io/g/vpp-dev/message/21922
Mute This Topic: https://lists.fd.io/mt/93853071/21656
Group Owner: vpp-dev+ow...@lists.fd.io
Unsubscribe: https://lists.fd.io/g/vpp-dev/leave/1480452/21656/631435203/xyzzy
[arch...@mail-archive.com]
-=-=-=-=-=-=-=-=-=-=-=-
