[PATCH v2 2/3] net/sfc: fix non-constant expression inr RTE_BUILD_BUG_ON()

[Stephen Hemminger]

On Mon, 13 Nov 2023 09:06:04 -0800
Stephen Hemminger <stephen at networkplumber.org> wrote:

> The macro RTE_MIN has some hidden assignments to provide type
> safety which means the statement can not be fully evaluted in
> first pass of compiler. Replace RTE_MIN() with equivalent macro.
> 
> This will cause errors from checkpatch about multiple evaluations
> of same expression in macro but it is ok in this case.
> 
> Fixes: 4f936666d790 ("net/sfc: support TSO for EF100 native datapath")
> Cc: ivan.malov at oktetlabs.ru
> Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>

Building with clang finds another issue.
../drivers/net/sfc/sfc_rx.c:158:3: error: expected expression
                RTE_BUILD_BUG_ON(RTE_MBUF_F_RX_IP_CKSUM_UNKNOWN != 0);
yet
lib/mbuf/rte_mbuf_core.h:#define RTE_MBUF_F_RX_IP_CKSUM_UNKNOWN 0