Hi， Hemant:
	This patch will be dropped from the patchset next version.
Thanks
Zhiyong

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In testpmd,  the following function will be called to validate the port_id.

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So, It is necessary to modify the max port num RTE_MAX_ETHPORTS.

There are quite a lot memory allocations (both static an dynamic)
inside DPDK libs and sample apps  that use RTE_MAX_ETHPORTS.
Increasing RTE_MAX_ETHPORTS would increase DPDK memory requirements

quite significantly.

It is not a good idea to significantly increase the DPDK memory requirement.

Can you not make it with "CONFIG_RTE_MAX_ETHPORTS=1024" for your testing
configs?