Hi Balaji,
I see that the problem is in icmp_responder app, as it isn't refilling queues
after connecting. It should call 'memif_refill_queue' in 'on_connect' callback.
However, another issue
appeared after I refilled the queues. I'll be looking into this. Meanwhile I
encourage you to take a look at icmp_reponder-epoll example.
Regards,
Jakub
________________________________
From: vpp-dev@lists.fd.io <vpp-dev@lists.fd.io> on behalf of balaji kn
<balaji.s...@gmail.com>
Sent: Wednesday, August 28, 2019 1:33 PM
To: vpp-dev
Subject: [vpp-dev] issue is memif sample application icmp_responder in VPP 19.04
Hello All,
I am using VPP 19.04 version. As per my analysis icmp_responder application is
receiving interrupts but memif_rx_burst API is always giving number of buffers
as 0.
Below are logs collected on icmp_responder.
root@balaji:~# ./icmp_responder
INFO: tx qid: 0
LIBMEMIF EXAMPLE APP: ICMP_Responder
==============================
libmemif version: 2.1
memif version: 512
use CTRL+C to exit
MEMIF DETAILS
==============================
interface name: memif_connection
app name: ICMP_Responder
remote interface name:
remote app name:
id: 0
secret: (null)
role: slave
mode: ethernet
socket filename: /run/vpp/memif.sock
socket filename: /run/vpp/memif.sock
rx queues:
tx queues:
link: up
INFO: memif connected!
ICMP_Responder:on_interrupt:289: interrupted
ICMP_Responder:on_interrupt:298: received 0 buffers. 0/256 alloc/free buffers
ICMP_Responder:icmpr_buffer_alloc:237: allocated 0/0 buffers, 256 free buffers
ICMP_Responder:on_interrupt:320: freed 0 buffers. 0/256 alloc/free buffers
ICMP_Responder:icmpr_tx_burst:252: tx: 0/0
Do let me know if i am missing anything.
Regards,
Balaji
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