On Tue, Apr 15, 2025 at 07:28:13PM +0200, Alexander Lobakin wrote: > Add helpers for implementing .ndo_xdp_xmit(). > Same as for XDP_TX, accumulate up to 16 DMA-mapped frames on the stack, > then flush. If DMA mapping is failed for some reason, don't try mapping > further frames, but still flush what was already prepared. > DMA address of a head frame is stored in its headroom, assuming it > has enough of it for an 8 (or 4) byte value. > In addition to @prep and @xmit driver callbacks in XDP_TX, xmit also > needs @finalize to kick the XDPSQ after filling. > > Signed-off-by: Alexander Lobakin <aleksander.lobakin@xxxxxxxxx> Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@xxxxxxxxx>
