Revert previous patch that introduce a performance
degradation in certain scenarios and add a configurable
limit for number inflight packets.
Revert
commit 84d4b5e4ec48 ("examples/ipsec-secgw: improve IPsec dequeue logic")
Cc: stable@dpdk.org
Signed-off-by: Radu Nicolau <radu.nicolau@intel.com>
Acked-by: Akhil Goyal <akhil.goyal@nxp.com>