Hi Florin,
My VPP version is 20.05 fdio.
I am suspecting seg_type why its not selecting SMH.
Also, startup.conf does not have session stuff:
session {
evt_qs_memfd_seg
event-queue-length 100000
}
when I add these, vpp is crashing.
With Regards
Sastry
On Wed, May 5, 2021 at 6:01 PM Sastry Sista via lists.fd.io <sastry.sista=
gmail....@lists.fd.io> wrote:
> Hi Florin,
> Thank you for the reply.
>
> I am trying to develop similar kind of envoy app using VCL. So, I need
> both socket option for binary API and shared client for rx/tx for TCP data.
> So, I need use-mq-eventfd at vcl.conf right?. ANyway I tried removing it
> but still same issue.
>
> my VCL:
> ======
> vcl {
> rx-fifo-size 400000
> tx-fifo-size 400000
> app-scope-global
> api-socket-name /run/vpp/api.sock
> }
> =========
> My VPP startup.conf:
> ==================
> unix {
> nodaemon
> log /var/log/vpp/vpp.log
> full-coredump
> cli-listen /run/vpp/cli.sock
> }
>
> api-trace {
> on
> }
>
> socksvr {
> default
> }
>
> cpu {
> main-core 1
> corelist-workers 2,3,4,5,6,7
> }
>
> buffers {
> buffers-per-numa 128000
>
> }
>
> dpdk {
> dev default {
> num-rx-queues 1
> num-tx-queues 1
> num-rx-desc 4096
> num-tx-desc 4096
> }
>
> dev 0000:00:06.0
> dev 0000:00:09.0
> no-multi-seg
> socket-mem 2048,0
> }
>
> plugins
> {
> path
> /usr/cna/bld-dataplane_base/base//cni-infra-dataplane/fdio/src/fdio/build-root/build-vpp_debug-native/vpp/lib/vpp_plugins/
> }
> ====================
>
> At VPP code:
> ===========
>
> in function:
>
> 482 static int
> 483 application_alloc_and_init (app_init_args_t * a)
> 484 {
> 485 ssvm_segment_type_t seg_type = SSVM_SEGMENT_MEMFD;
> 486 segment_manager_props_t *props;
> 487 vl_api_registration_t *reg;
> 488 application_t *app;
> 489 u64 *options;
> 490
> ...............
>
> 496 if (!(options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_IS_BUILTIN))
> 497 {
> 498 reg = vl_api_client_index_to_registration
> (a->api_client_index);
> 499 if (!reg)
> 500 return VNET_API_ERROR_APP_UNSUPPORTED_CFG;
> 501 if (vl_api_registration_file_index (reg) ==
> VL_API_INVALID_FI)
> 502 seg_type = SSVM_SEGMENT_SHM;
> 503 }
> 504 else
> 505 {
> 506 seg_type = SSVM_SEGMENT_PRIVATE;
> 507 }
> 508
> 509 if ((options[APP_OPTIONS_FLAGS] &
> APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
> 510 && seg_type != SSVM_SEGMENT_MEMFD)
> 511 {
> 512 clib_warning ("mq eventfds can only be used if socket
> transport is "
> 513 "used for binary api");
> 514 return VNET_API_ERROR_APP_UNSUPPORTED_CFG;
> 515 }
> 516
> 517 if (!application_verify_cfg (seg_type))
> 518 return VNET_API_ERROR_APP_UNSUPPORTED_CFG;
>
> ...........
> }
>
> Its hitting at 518 return error i.e application_verify_cfg (seg_type)
> ....seg_type = SSVM_SEGMENT_MEMFD;
>
> gdb:
> ====
> (gdb) p seg_type
> $22 = SSVM_SEGMENT_MEMFD
> (gdb) n
> 492 options = a->options;
> (gdb) p *a
> $23 = {api_client_index = 0, name = 0x7fffce651780 "vcl_test_client[shm]",
> options = 0x7ffad802af02, namespace_id = 0x7fffce651750 "",
> session_cb_vft = 0x7ffff7f3f4e8 <session_mq_cb_vft>, app_index = 0}
> (gdb) p *a->options
> $24 = 163
>
> With Regards
> Sastry
>
> On Tue, May 4, 2021 at 8:13 PM Florin Coras <fcoras.li...@gmail.com>
> wrote:
>
>> Hi,
>>
>> Is there anything configured on vpp side for session layer? Is this vpp
>> 21.06rc0 or something older? The error number seems to suggest an older
>> release.
>>
>> One option would be to just comment out use-mq-eventfd and see if that
>> fixes the issue. Message queue eventfds should work with the binary api,
>> but the rest of the configs on vpp and vcl side must be compatible with it.
>>
>> Regards,
>> Florin
>>
>> On May 4, 2021, at 4:23 AM, sastry.si...@gmail.com wrote:
>>
>> Hi,
>> I am trying to use vcl_test_client and using below vcl
>> config:
>>
>> While trying to run seeing the below error:
>>
>> vppcom_connect_to_vpp:502: vcl<1876:0>: app (vcl_test_client) is
>> connected to VPP!
>> vppcom_app_create:1203: vcl<1876:0>: sending session enable
>> vppcom_app_create:1211: vcl<1876:0>: sending app attach
>> vl_api_app_attach_reply_t_handler:82: vcl<0:-1>: ERROR attach failed:
>> Unsupported application config (-108)
>>
>> Could you please let me know why this is unsupported at VPP?
>>
>> vcl {
>> rx-fifo-size 400000
>> tx-fifo-size 400000
>> app-scope-global
>> api-socket-name /run/vpp/api.sock
>> #api-socket-name /run/vpp/cli.sock
>> use-mq-eventfd
>> }
>>
>>
>>
>>
>>
>>
>
>
>
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