[vpp-dev] ESP pkts received error

2021-11-23 Thread Felipe P.
Hi,

I have an IPSec tunnel over a pair of veth interfaces that seems to work fine 
with pings but doesnt work when sending traffic, the traffic comes from the 
physical NIC into VPP to be sent over IPSec.

This is the output for # show errors

4071630          esp4-encrypt-tun                  ESP pkts received            
error

When I put a trace, I see the packets being dropped and the error counter 
increasing

Packet 7

02:01:20:705376: af-packet-input
af_packet: hw_if_index 2 next-index 4
tpacket2_hdr:
status 0x2001 len 118 snaplen 118 mac 66 net 80
sec 0x619cf4c0 nsec 0x19a129d7 vlan 0 vlan_tpid 0
02:01:20:705381: ethernet-input
IP4: 02:fe:52:e8:ea:da -> 02:fe:55:f3:2d:af
02:01:20:705384: ip4-input
UDP: 192.168.50.2 -> 192.168.50.1
tos 0x00, ttl 254, length 104, checksum 0xd730 dscp CS0 ecn NON_ECN
fragment id 0x
UDP: 500 -> 500
length 84, checksum 0x
02:01:20:705388: ip4-lookup
fib 0 dpo-idx 8 flow hash: 0x
UDP: 192.168.50.2 -> 192.168.50.1
tos 0x00, ttl 254, length 104, checksum 0xd730 dscp CS0 ecn NON_ECN
fragment id 0x
UDP: 500 -> 500
length 84, checksum 0x
02:01:20:705389: ip4-local
UDP: 192.168.50.2 -> 192.168.50.1
tos 0x00, ttl 254, length 104, checksum 0xd730 dscp CS0 ecn NON_ECN
fragment id 0x
UDP: 500 -> 500
length 84, checksum 0x
02:01:20:705392: ip4-udp-lookup
UDP: src-port 500 dst-port 500
02:01:20:705393: ikev2-ip4
ikev2: sw_if_index 2, next index 1
02:01:20:705402: error-drop
rx:host-veth0
02:01:20:705403: drop
ip4-udp-lookup: No error

Any idea?

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[vpp-dev] how to understand vpp "show runtime" command?

2021-11-23 Thread haiyan...@ilinkall.cn

Hi, vpp experts,
 
I test vpp multithread case, each thread with one cpu core, with linux "top" 
command,  I can see used cpu reached 100%. really confused if cpu still can 
process more work. 

someone said that vpp command "show runtime" could do this, but I could not 
fully understand these arguments, is there some documents can be referenced , 
or someone kindly explain it for me, any suggestion will be appreciated.


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Re: [vpp-dev] how to understand vpp "show runtime" command?

2021-11-23 Thread Florin Coras
Hi Haiyan, 

You may want to check this [1]. I’ll add that loops/s also gives you an 
indication of how much time a main loop dispatch takes. A small loops/s 
indicates that vpp is busy. 

Regards,
Florin

[1] 
https://s3-docs.fd.io/vpp/22.02/gettingstarted/troubleshooting/cpuusage.html#vpp-cpu-load

> On Nov 23, 2021, at 7:11 PM, haiyan...@ilinkall.cn wrote:
> 
> 
> Hi, vpp experts,
>  
> I test vpp multithread case, each thread with one cpu core, with linux "top" 
> command,  I can see used cpu reached 100%. really confused if cpu still can 
> process more work. 
> 
> someone said that vpp command "show runtime" could do this, but I could not 
> fully understand these arguments, is there some documents can be referenced , 
> or someone kindly explain it for me, any suggestion will be appreciated.
> 
> 
> 


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