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5c306de8f7
When there's only one buffer to dma and its length is 4096, then only one data descriptor is needed to carry it according to current descriptor definition. So the descriptor type should be `simple` instead of `gather`, the latter requires more than one descriptor, otherwise it'll be dropped by application firmware. Fixes:c10d12e3dc("nfp: add support for NFDK data path") Fixes:d9d950490a("nfp: nfdk: implement xdp tx path for NFDK") Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com> Reviewed-by: Richard Donkin <richard.donkin@corigine.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@corigine.com> Signed-off-by: Simon Horman <simon.horman@corigine.com> Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Link: https://lore.kernel.org/r/20221202134646.311108-1-simon.horman@corigine.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>