In case of point-to-point, you can set the checksum offload flag
VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD when you create demo
interface.
And need to calculate ip4_hdr_checksum in your tx node
(ethernet_demo_device_class) if packet comes with
VNET_BUFFER_F_OFFLOAD_IP_CKSUM set.
Coverity run failed today.
Current number of outstanding issues are 7
Newly detected: 0
Eliminated: 2
More details can be found at
https://scan.coverity.com/projects/fd-io-vpp/view_defects
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View/Reply Online (#15203): ht
Hi Florin,
I changed my application as you suggested. Now, I am able to achieve 5 Gbps
with a single UDP stream. Overall, I can get ~20Gbps with multiple host
application . Also, the TCP throughput is improved to ~28Gbps after tuning
as mentioned in [1].
On the similar topic; the UDP tx throughp
Hi Raj,
Good to see progress. Check with “show int” the tx counters on the sender and
rx counters on the receiver as the interfaces might be dropping traffic. One
sender should be able to do more than 5Gbps.
How big are the writes to the tx fifo? Make sure the tx buffer is some tens of
kB.
Hi ,
Kindly guide me ho to run the L3 routing protocol to in multiple VPP instances
.
Please give me the complete steps :
1. Which plugin required
2. Steps to install all the packages to support the L3 routing protocol like
OSPF, BGP , RIP etc.
Regards,
Neelam Buj
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