[vpp-dev] Regarding GTPU Tunnel packet send/recieve

Hi, I couldn't send traffic to GTPU Tunnel with respect to the teid and tteid, but it works when I set an IP address to the particular Tunnel. Is this always needed or else is there any other way without setting IP for a tunnel? Kindly let me know if possible. Regards, Akash -=-=-=-=-=-=-=-=-=-=-

[vpp-dev] Regarding VPP Statistics

Hi All, I am in need to print the VPP statistics from an external application. Is that possible? I have gone through some links with telemetry plugins and some other but couldn't find out the exact thing which I can do to print this from my external application. Kindly help me out with this. Regar

Re: [vpp-dev] Regarding VPP Statistics

I have even gone through "interface.api.vapi.h" which doesn't have counters. -=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#18858): https://lists.fd.io/g/vpp-dev/message/18858 Mute This Topic: https://lists.fd.io/mt/81098207/21656 Group Owner: vpp-d

Re: [vpp-dev] Regarding VPP Statistics

Thanks! I'll check it out. Regards, Akash On Fri, Mar 5, 2021, 2:05 PM wrote: > > I am in need to print the VPP statistics from an external application. > Is that possible? I have gone through some links with telemetry plugins and > some other but couldn't find out the exact thing which I can d

[vpp-dev] Error during bring UP of VPP after compilation in Cent OS

Hi All, The following is the error when we try to bring up vpp from compiled path in Cent OS: [root@6464258675a9 bin]# ./vpp[7394]: received signal SIGSEGV, PC 0x7fede345f78a, faulting address 0x0 ./vpp[7394]: received signal SIGSEGV, PC 0x7fede345f78a, faulting address 0x0 ./vpp[7394]: #0 0x0

[vpp-dev] Segmentation fault during vapi_connect on Cent OS Docker

Hi All, I get the following error while running my exe on Cent OS Docker which is related to vapi_connect. *232 rv = vapi_connect (ctx, app_name, api_prefix, max_outstanding_requests,(gdb)svm_map_region:722: region /global_vm mutex held by dead pid 272, tag 2, force unlocksvm_map_r

[vpp-dev] GTP-U Tunnel Creation only without dst and tteid

Hi All, I am in a condition to alter VPP code for Creating GTP-U Tunnel without dst address and tteid(remote) and I will be updating the same later with some values. But, the main concept is to Create a Tunnel without it and should be reflected on hw as well as be shown on VPPCTL. Please help me o

[vpp-dev] VPP Telemetry plugin support for Latency and Time Interval

Hi All, Is there any support on VPP for the above items!? If there is any, please reply back to me. Regards, Akash -=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#19406): https://lists.fd.io/g/vpp-dev/message/19406 Mute This Topic: https://lists.fd

[vpp-dev] Quick question on VPP on : How to Embed VPP as library

Hi All, We are using VPP version 21.06 (Latest) We understand that vpp package consists of libraries , plugins,dev and debugs utilities and runs as exe . But as per our current usage , we have a control plane application layer from which we have included VPP packages as libraries from our Makefile

Re: [vpp-dev] Quick question on VPP on : How to Embed VPP as library

wouldn’t go there myself for any number of reasons, but it > wouldn’t be difficult. > > > > HTH... Dave > > > > *From:* vpp-dev@lists.fd.io *On Behalf Of *Akash S R > *Sent:* Wednesday, May 19, 2021 6:31 AM > *To:* vpp-dev@lists.fd.io > *Cc:* srilcha...@gmail.com &

[vpp-dev] Mapping Multiple Classify Session under a Single Classifier Table

Hello All, We are trying to bind one classifier to multiple classify session. However, we wish to configure src ip alone for one session, src ip and dest ip for the next session, Destination IP alone for another session, etc.. Unfortunately, though config is accepted, functionality wise classifica

[vpp-dev] Support for GTP-U Echo - Response and Error Indication

Hi All, We found a diff related to this in forum: gerrit.fd Code Review - vpp.git/commitdiff But the same was not merged/taken into VPP. Do we have

Re: [vpp-dev] Quick question on VPP on : How to Embed VPP as library

46a3c0) at /home/soundarya/june4/vpp/src/vpp/vnet/main.c:339 #8 0x0041757c in main () at /home/soundarya/june4/ViNGC/upf/DataPlane/packetProcessing/vpp/dp/sim/src/altvppsim.c:119 (gdb) Any points to resolve it? Thanks in Advance! Regards, Akash On Wed, May 19, 2021 at 5:48 PM Aka

Re: [vpp-dev] Quick question on VPP on : How to Embed VPP as library

put node to inject > work into the forwarding graph. What you call cust_main() is the moral > equivalent of a while(1) loop. It won’t return. > > > > D. > > > > *From:* Akash S R > *Sent:* Thursday, June 10, 2021 7:38 AM > *To:* Akash S R > *Cc:* v...

[vpp-dev] Forwarding packets from an external application to VPP Node

Hi All, Just a Quick Question on Sending packets from an External Application Developed to VPP. How can a packet be sent like the above mentioned statement? How can the VLIB_NODE_FUNCTION of a particular protocol on VPP be hit so that the packet is sent to egress out? Let us consider the packet r

Re: [vpp-dev] TCP packets are not reaching to TCP graph node (tcp46_input_inline) #vpp-dev #vppcom #vnet

Hi Nikhil, >From your phrase, I understand that your packet didn't reach inline. Maybe that is because your packet didn't reach the TCP node of your plugin API. Also check whether your plugin is visible under "show plugins" and check the headers and packet type of yours too. Regards, Akash On M

Re: [vpp-dev] Creating multiple VAPI connections from a single application

Hi Chinmaya, >From your point of view, I understand that you have not done vapi_disconnect for every vapi_connect you do. Since it is similar to a socket, you must do it to disconnect from that connection and reconnect vapi. I hope this may help you. Regards, Akash On Mon, Jul 5, 2021, 7:32 PM C

Re: [vpp-dev] no dpdk plugin in vpp

PC . Regards, Akash S R On Fri, Jul 9, 2021, 7:42 PM Tony Sun wrote: > Hi > > 1. sudo vpp/build-root/vagrant/build.sh > 2. cd build-root && sudo dpkg -i *.deb > 3. service vpp start > > vpp# show version > vpp v21.10-rc0~138-gb946b209b built by root on n201-040

Re: [vpp-dev] no dpdk plugin in vpp

. Best, Akash S R On Sat, Jul 10, 2021, 8:15 AM sundk911 wrote: > no plugin keyword in conf. > > when I uncomment out dpdk in conf，seems that vpp doesnt recognize the > “dpdk” keyworld. > > do you have any ideas? > > -- > 发自我的iPhone > &

[vpp-dev] UDP Checksum DROP in NIC offload for Uplink flow in 40G traffic

Hi, We are in developmental phase for 5G user plane as vpp.we are struugling in measuring throughput in vpp. 40G traffic: Using a Mellanox NIC created a RDMA interfaces , for 40G traffic Uplink flow , facing a udp checksum drop in vpp. The traffic drops at RDMA interfaces, and has a ”b

Re: [vpp-dev] question on gtpu_input graph node

next0 variable which enqueues your packet to the next node you wish to reach. I don't guarantee that your packet will be encapsulated without any error but you can reach the next node you wish to reach in this way. Thanks and Regards, Akash S R On Fri, Jul 16, 2021, 2:03 PM Venumadhav Jo

Re: [vpp-dev] question on gtpu_input graph node

0.21.58.142 dst 10.21.58.140 teid 13 tteid 14 > encap-vrf-id 0 decap-next ip4 // instead of ip4, gtpu4-encap > > Thanks, > Regards, > Venu > > > On Fri, 16 Jul 2021 at 14:22, Akash S R wrote: > >> Hi Venumadhav, >> >> Sharing my knowledge nuggets as below: &

Re: [vpp-dev] question on gtpu_input graph node

gt; >>> Hi Akash, >>> >>> While creating tunnels there if I set decap-next gtpu4-encap will it not >>> work, it use the tried for the same right ? >>> create gtpu tunnel src 10.21.58.142 dst 10.21.58.140 teid 13 tteid 14 >>> encap-vrf-id 0 decap-

Re: [vpp-dev] question on gtpu_input graph node

my understanding. please > correct me if i am wrong/ > > If strips the GTP-U header we need to put back GTP-U which happens in the > gtpu4-encap ? and send it out on interface. > > Or my understanding is totally misplaced ??? then what is the purpose > gtpu4-encap ? > > Th

Re: [vpp-dev] question on gtpu_input graph node

rce ip the >ip of our node interface. > > > Thanks, > Regards, > Venu > > On Fri, 16 Jul 2021 at 20:52, Akash S R wrote: > >> Hi Venu, >> >> From your points, I understand that your GTPU packet must not be >> decapsulated and fired out to Phys on

[vpp-dev] Getting logs without using vppctl

Hello mates I have a question on show commands of vpp like show logging ,show trace and show interface. There is a requirement where I need to push all the output of these commands without using vppctl. I had a look on stats.md corresponding to the show statistics segment command but it doesn't

Re: [vpp-dev] Getting logs without using vppctl

Hey guys, please let me know if there is any VAPI to fetch the interface state UP/DOWN. Thanks, Akash On Wed, Aug 18, 2021, 13:11 Akash S R wrote: > Hello mates > > I have a question on show commands of vpp like show logging ,show trace > and show interface. There is a require

Re: [vpp-dev] Getting logs without using vppctl

, Aug 23, 2021 at 1:41 PM Feng Gao wrote: > You could dump the interface and get the up/down status from > vl_api_sw_interface_details_t > > On Mon, Aug 23, 2021 at 2:25 PM Akash S R > wrote: > > > > Hey guys, > > > > please let me know if there is any VAPI

[vpp-dev] rx-miss while sending packets to Interface (IMPORTANT)

Hello mates, Its been a long time, me , raising a query out here to you guys :) (Nah, Please ignore this junk.) I have a question on rx-miss. Whenever we fire packets at some high rate, say 1GBPS or more, I get rx-miss on the interface with some packet count. I referred to a link below from the V

Re: [vpp-dev] rx-miss while sending packets to Interface (IMPORTANT)

gt; increase the rx queues size to absorb the bursts. > > Best > ben > > > -Original Message----- > > From: vpp-dev@lists.fd.io On Behalf Of Akash S R > > Sent: mardi 28 septembre 2021 11:43 > > To: vpp-dev > > Subject: [vpp-dev] rx-miss while sending p

Re: [vpp-dev] rx-miss while sending packets to Interface (IMPORTANT)

put polling 37834354 0 0 1.14e30.00 unix-epoll-input polling 36918 0 0 3.47e30.00 Thanks, Akash On Tue, Sep 28, 2021 at 4:09 PM Akash S R via lists.fd.io wr

Re: [vpp-dev] rx-miss while sending packets to Interface (IMPORTANT)

Hey Sathish, Interface type is vfio-pci (10-Gigabit SFI/SFP+ Network Connection 10fb), with rx queue and tx queue of hardware set to 4096 (MAX).. Let me know if anything is known. :) Thanks, Akash On Wed, Sep 29, 2021 at 6:09 PM wrote: > Hi Akash, > > Please let me know what type interface an

Re: [vpp-dev] rx-miss while sending packets to Interface (IMPORTANT)

y be useful to look at a > packet trace and see what node is sending the packets to error-drop. If > packets are being passed to error-drop by gtpu4-input, maybe they do not > match any configured tunnel. > > -Matt > > > On Tue, Sep 28, 2021 at 9:24 AM Akash S R > wrote:

Re: [vpp-dev] VPP Socket API how to use from the application #socket-api #vpp #sock-api

Hey Venu, Try "scl enable devtoolset-9 bash" inside your docker or update your gcc version. /Akash S R On Thu, Sep 30, 2021, 18:54 Venumadhav Josyula wrote: > Hi Benoit, > > Thanks for quick reply. > > I have docker with following > [root@8f57181df3a1 vpp_c_api_e

Re: [vpp-dev] VPP Socket API how to use from the application #socket-api #vpp #sock-api

p\n"); > goto quit; >} >if (vl_client_connect("vpp-test-app", 0, 32) < 0) >{ > printf("unable to connect \n"); > vl_client_api_unmap(); > goto quit; >} >printf("successfully connected... \n"); >

Re: [vpp-dev] VPP Socket API how to use from the application #socket-api #vpp #sock-api

6 Sep 30 13:29 xen > -rw-r--r-- 1 root root 1704 Apr 28 13:34 xlocale.h > [root@8f57181df3a1 /]# ls -al usr/include/^C > [root@8f57181df3a1 /]# cd - > /root/vpp_c_api_examples > [root@8f57181df3a1 vpp_c_api_examples]# LD_LIBRARY_PATH=/usr/lib64 gcc > vpp_api_client_test3.c -o vpp_api_

[vpp-dev] Attaching Ethernet header data to packet buffer

Hey mates, Hope all are doing well. I have a query regarding Ethernet Header addition. Can we add Ethernet Header Data (14 bytes) to a packet manually ? Or where can I fetch the Ethernet Header data from ? Please attach me some piece of code from VPP from where I can fetch Ethernet Header Data.

[vpp-dev] GTPU Tunnel dst ip update like update tteid support

Hey Mates, I have a requirement in updating the dest IP of the GTPU Tunnel. There is support on VPP to update the tteid but is there any code patch to update the dest IP of the GTPU Tunnel? Please respond if anything known. /Akash -=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to

[vpp-dev] show dpdk buffers are fully allocated slowly while sending 1G traffic after some minutes

Hello Mates/OLE/Dave, I have an important query on "show dpdk buffers" allocation. I have only 1 NUMA node on my PC and buffers-per-numa is increased from 16800 (default) to 128000. I am sending 1G Traffic and after some minutes there is "show dpdk buffer" output where free becomes 0 and allocated

Re: [vpp-dev] show dpdk buffers are fully allocated slowly while sending 1G traffic after some minutes

Best > ben > > > -Original Message- > > From: vpp-dev@lists.fd.io On Behalf Of Akash S R > > Sent: lundi 11 octobre 2021 08:27 > > To: vpp-dev > > Subject: [vpp-dev] show dpdk buffers are fully allocated slowly while > > sending 1G traffic after som

[vpp-dev] Unknown VPP Crash even when Heap and RAM are available

Hello Mates, I’m trying to create 50k classify tables with 6GB heap memory and 8GM docker RAM but the vpp crashes after the creation of 32k classify tables. Even though there are unused memory left in both heap and ram the vpp crashes due to out-of -memory. Is there any reason for it, if it

Re: [vpp-dev] Unknown VPP Crash even when Heap and RAM are available

Thanks for the reply bganne. Even with the increased memory the observation is still the same and the memory-size it refers to the size of each classify tables and we wanted it to be low On Thu, Oct 14, 2021 at 12:19 PM Benoit Ganne (bganne) wrote: > Classify tables uses their own heaps. > > > #

[vpp-dev] Additional Payload of 18 bytes (0's) added to packet by VPP/Interface

Hello Mates, Please help me on this issue where VPP/Interface is adding an additional payload of 18 bytes with 0's to the packet and sending it out. I raised a query early but did not get a response. Payload of Packet Received : 02 66 66 66 66 66 02 09 c0 b7 46 10 08 00 45 04 0010 00 6e

Re: [vpp-dev] Additional Payload of 18 bytes (0's) added to packet by VPP/Interface

; > *From: * on behalf of Akash S R < > akashsr.akas...@gmail.com> > *Date: *Thursday, October 14, 2021 at 10:49 AM > *To: *vpp-dev , Ole Troan , > "Benoit Ganne (bganne)" > *Subject: *[vpp-dev] Additional Payload of 18 bytes (0's) added to packet > by VPP

Re: [vpp-dev] API to use to fetch IP route information from VPP

Hi Chinmaya, Check if there is any vapi named with "_details" in the same file. you can print the values by sending dump as request and details in reply response. /Akash On Mon, Oct 18, 2021, 19:50 Chinmaya Aggarwal wrote: > Hi, > > We want to get ip route information from VPP using VAPI. We w

[vpp-dev] VPP adding extra payload of 0's to packet in some node

Hi Mates, In my case, VPP is adding some 0's as extra payload onto the packet and sending it out to NIC which is nearly 14 - 18 bytes. What is the node which add's this ? Or b0->flags is responsible for such case? Please help /Akash -=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent t

Re: [vpp-dev] VPP adding extra payload of 0's to packet in some node

long it > is, and how long you intend for it to be ? > > groet, > Pim > > On Tue, Oct 19, 2021 at 8:31 AM Akash S R > wrote: > >> Hi Mates, >> >> In my case, VPP is adding some 0's as extra payload onto the packet and >> sending it out to NIC which

Re: [vpp-dev] VPP adding extra payload of 0's to packet in some node

t 4:54 PM Mohsin Kazmi (sykazmi) wrote: > Hi Akash, > > > > Please provide the information about the interface(s) you are using either > with vpp native driver or with dpdk? And ‘show trace’ will help here. > > > > -br > > Mohsin > > > > *From: * on beh

[vpp-dev] Classify Session Crash after 32K Creations (IMPORTANT)

Hi Mates, A fix if done to resolve the crash for classify table in vnet_classify.c *vnet_classify_new_table* vec_validate_aligned (t->buckets, nbuckets - 1, CLIB_CACHE_LINE_BYTES); // oldheap = clib_mem_set_heap (t->mheap); clib_spinlock_init (&t->writer_lock); oldheap = clib_m

Re: [vpp-dev] Classify Session Crash after 32K Creations (IMPORTANT)

configuration file? > > On Mon, 25 Oct 2021 at 10:36, Akash S R wrote: > >> Hi Mates, >> >> A fix if done to resolve the crash for classify table in vnet_classify.c >> >> >> >> *vnet_classify_new_table* >> >> >> >> vec_valid

Re: [vpp-dev] Classify Session Crash after 32K Creations (IMPORTANT)

tried increasing the memory size of the classify table as per the suggestion in https://lists.fd.io/g/vpp-dev/topic/72538712#15861 but still facing the crash On Mon, Oct 25, 2021 at 3:31 PM Akash S R via lists.fd.io wrote: > Hey Stanislav, > > We have configured heap-size on .conf a

Re: [vpp-dev] Classify Session Crash after 32K Creations (IMPORTANT)

nt and the crash for classify session also happens at the same classify table index.why is this happening and is there anything to be done to resolve it.help of any sort is most welcomed On Mon, Oct 25, 2021 at 4:17 PM Akash S R via lists.fd.io wrote: > tried increasing the memory size of the cl

[vpp-dev] Understanding on CIR EIR CB EB of policer

hello, I have a query on CIR EIR CB EB values. Can I get some proper info on these. How to calculate CB/EB values for a rate of traffic say CIR = 100 KBPS, traffic speed = 80 KBPS, so all must fall under confirm bucket right ? Also CB is only Committed Burst or Committed Burst Size (CBS) as per th

[vpp-dev] Information of drop counters on "show interface"

Hello, I need to understand if there is any support to classify drop counters under "show interface" with the reason for drop, like Interface Down or due to Policer Violate, anything like that. I couldn't find such support and please help what can be done for the same. /Akash -=-=-=-=-=-=-=-=-=-

Re: [vpp-dev] Information of drop counters on "show interface"

t; Mostly drop errors are reported in per node counters. You can use CLI > command “show errors” > > > > -br > > Mohsin > > > > *From: * on behalf of Akash S R < > akashsr.akas...@gmail.com> > *Date: *Wednesday, November 24, 2021 at 12:29 PM > *T

Re: [vpp-dev] Information of drop counters on "show interface"

/Akash On Thu, Nov 25, 2021, 18:58 Mohsin Kazmi (sykazmi) wrote: > > > > > *From: *Akash S R > *Date: *Thursday, November 25, 2021 at 12:21 PM > *To: *"Mohsin Kazmi (sykazmi)" > *Cc: *vpp-dev > *Subject: *Re: [vpp-dev] Information of drop counters on &quo

[vpp-dev] Identification Field of IP Header is not set by VPP during encapsulation

Hello, Identification Field is not set by VPP and there is no parameter for the same handled in ip4_packet.h as well. Should that be added as per requirements or is that present elsewhere? Also is there any handle on VPP to set those values during gtpu encapsulation ? /Akash -=-=-=-=-=-=-=-=-=-=

[vpp-dev] About encap-vrf-id in GTPU

Hello, Just a quick question on encap-vrf-id parameter during gtpu tunnel add. Why is this parameter included and what is the use of this ? /Akash -=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#20606): https://lists.fd.io/g/vpp-dev/message/20606 Mu

[vpp-dev] Question on api-trace

Hello, I have a query on api-trace. How to add trace to an api before configuring via vppctl, lets say for eg. I am creating a gtpu tunnel via vppctl, How to see the complete API Trace, once the command is entered. Is there any support on VPP for the same, If so please help on How to do that. /Aka

[vpp-dev] VPP started via External APK

Hi All, I am calling main of vpp using my c code APK. But when I enter vppctl and try show commands, either it is empty like below : DBGvpp# show int DBGvpp# show int Or it is saying as below if interactive is set in startup.conf and without nodaemon : DBGvpp# show int vlib_cli_output:116: vlib_cli

[vpp-dev] How to check API Flow in VPP

Hello, I am trying to see API flow from packet rx to packet tx, but I am not able to see. Please help on this. /Akash -=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#20627): https://lists.fd.io/g/vpp-dev/message/20627 Mute This Topic: https://lists.

Re: [vpp-dev] How to check API Flow in VPP

yes ,there is trace like show trace which shows all the nodes through which packet traversed. But is there any detail info on the API's flow like the packet reaches gtpu_encap_inline then ip4_rewrite , something like that. /Akash On Mon, Dec 13, 2021, 14:54 wrote: > Akash, > > > I am trying to

[vpp-dev] Use of /etc/sysctl.d/80-vpp.conf

Hello Mates, May I know what is the use of /etc/sysctl.d/80-vpp.conf ? How to use it or is that not necessary? /Akash -=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#20665): https://lists.fd.io/g/vpp-dev/message/20665 Mute This Topic: https://lists

Re: [vpp-dev] Tx packet drops (dpdk tx failure) Error seen and no packet flow possible after this

Hi Girish, One suggestion is that try to update VPP to the latest stable version ,as your VPP version looks very old. Secondly ,please attach what kind of configuration you have done on VPP before firing traffic so that ppl could analyse. Thanks, Akash On Thu, Feb 24, 2022, 17:28 Girish NL wro

Re: [vpp-dev] VPP v22.02 not coming up

Hi Chinmaya, 1) Check whether the interfaces are bound to dpdk. Grep this on code and find out the reasin for this. Mostly it will be due to this. 2) Leave a line after socket-mem or comment socket-mem and give only dev in the next 2 lines and not with space. (just a try) Regards , Akash S R