[dpdk-dev] L3fwd mode in testpmd

[Stanisław Kardach]

On Wed, Apr 28, 2021 at 12:48 PM Bruce Richardson <
bruce.richardson at intel.com> wrote:
<snip>

> > I do not suggest pulling all these in. In our case, I see that the ask
> is only on LPM. I am open to hearing what others see as the requirement.
> >
> I think fib is the planned long-term replacement for lpm, and implements
> the same algorithm, so I think first versions should use it.
>
> If I may add my 2 cents. If a decision is made to implement any FIB/LPM
logic in testpmd, it would be great if a vector-only approach that is used
in l3fwd could be avoided.
While working on RISC-V port I had to disable l3fwd compilation for RISC-V
as it requires a vector engine (in l3fwd_em.c). The board I'm currently
using has rv64gc ISA which does not have vector extensions and I use
testpmd extensively for verification, hence it would be a shame to lose it.