On Fri, 12 Jun 2026 15:37:15 +0800 Xingui Yang <[email protected]> wrote:
> Add a new padding mode to the txonly forwarding engine, which allows > sending packets with configurable small sizes without standard L2/L3 > headers. This is useful for testing NIC padding logic. > > When padding mode is enabled via --tx-pkt-pad-mode flag: > - l2_len and l3_len are set to 0 instead of standard header lengths > - Packet data is filled with a static pattern instead of > Ethernet/IP/UDP headers > - Minimum packet length validation is bypassed to allow small > packet sizes (e.g., set txpkts 14) > > Signed-off-by: Xingui Yang <[email protected]> > Signed-off-by: Huisong Li <[email protected]> > --- Why add yet another setting to already bloated testpmd command? Instead I would suggest allowing user to specify any length from 14 up to UINT32_MAX. The code to format packet would need to handle it there.
