Hi Madhukar,

Can you please elaborate what issue you found in TX-side? Any solution for that?
For me it seems to be both rx and tx.


Thanks.

Regards,
Nishant Verma


On Mon, May 8, 2023 at 2:53 AM madhukar mythri <madhukar.mythri@gmail.com> wrote:
Hi,

We are facing an issue at the Transmit side randomly after 8 to 10 days of network traffic flow on the Intel X710 10G NIC with i40e PMD.
We found the issue is at Transmit side Tx-queue, as the Tx packets were not going out and also observed that the Tx-queue stats were not incrementing, even though we are sending packets out through the 'rte_eth_tx_burst()', this function returns '0'. Whereas the Rx-packets were received well at the same-time and Rx-stats were incremented well, even the NIC Link is also stable at 1G speed.

So, has anyone faced such issue on this DPDK i40e PMD at Transmit side(Tx-queue), if so, please let us know, if any known-issue 'Or' fix/work-around on this.

DPDK-version: DPDK-21.11
X710 NIC speed: Connected with 1G speed switch-port. so, as per auto-negotiation the link-speed is 1G only.
X710 NIC firmware-version: "fw 6.0.48442 api 1.7 nvm 6.01 0x80003b43 1.1824.0 [8086:1589] [108e:7b1c]".

Thanks,
Madhukar.