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* regarding Intel E810
@ 2022-03-04 21:37 Sudharshan Krishnakumar
  2022-03-07 11:54 ` Zhang, Qi Z
  0 siblings, 1 reply; 2+ messages in thread
From: Sudharshan Krishnakumar @ 2022-03-04 21:37 UTC (permalink / raw)
  To: dev, users, qiming.yang, qi.z.zhang

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Hi All,

I am using Intel E810 with DPDK v20.11, with ethernet ports bound to
Running DPDK software libraries within a secure-enclave(Intel SGX
technology) sandbox environment,
and running into an issue during rte_eal_init invocation.

During launch of DPDK application(examples/packet_ordering), when
rte_eal_init gets called,
it results in a probe of ethernet devices,which invokes ICE(Intel E810 NIC)
Poll-Mode-Driver(PMD) apis.

When ICE PMD driver sends command to NIC(Network Interface Card),to get
firmware version,
it times out in this api-> ice_sq_send_cmd_nolock().

Question-> Can someone point me to any Intel documentation for E810,
that describes how ICE PMD(or any software driver) can communicate with
E810 NIC's firmware,
like what registers to write the command, and how to check for the response
from firmware.

Question-> Also, is there any other alternate way(other than ethtool), to
check if firmware received the command,
and what was the status of the last command processed by firmware.
Note: Even if there is a way to check firmware command status thro ethtool,
I cant use ethtool,since ports are bound to DPDK.


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2022-03-04 21:37 regarding Intel E810 Sudharshan Krishnakumar
2022-03-07 11:54 ` Zhang, Qi Z

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