[LTP] [PATCH 2/4] lib/tst_net.sh: add new TST_NET_MAX_PKT env variable

[Petr Vorel]

Hi Alexey,

> This is critical for performance tests, which compare virtual
> devices with the real ones. Trigger the fragmentation but keep
> the number of fragments at the minimum for those cases.

> Also improve the test timing if MTU is not large.

> The previous numbers can be restored with TST_NET_MAX_PKT
> environment variable.

Reviewed-by: Petr Vorel <pvorel@suse.cz>

Kind regards,
Petr