>-----Original Message----- >From: Intel-wired-lan <intel-wired-lan-bounces@xxxxxxxxxx> On Behalf Of Kurt >Kanzenbach >Sent: Friday, July 12, 2024 2:26 PM >To: Nguyen, Anthony L <anthony.l.nguyen@xxxxxxxxx>; Kitszel, Przemyslaw ><przemyslaw.kitszel@xxxxxxxxx> >Cc: Jesper Dangaard Brouer <hawk@xxxxxxxxxx>; Daniel Borkmann ><daniel@xxxxxxxxxxxxx>; Sriram Yagnaraman ><sriram.yagnaraman@xxxxxxxxxxxx>; Richard Cochran ><richardcochran@xxxxxxxxx>; Kurt Kanzenbach <kurt@xxxxxxxxxxxxx>; John >Fastabend <john.fastabend@xxxxxxxxx>; Alexei Starovoitov <ast@xxxxxxxxxx>; >Benjamin Steinke <benjamin.steinke@xxxxxxxxxxxxxx>; Eric Dumazet ><edumazet@xxxxxxxxxx>; Sriram Yagnaraman ><sriram.yagnaraman@xxxxxxxx>; intel-wired-lan@xxxxxxxxxxxxxxxx; >netdev@xxxxxxxxxxxxxxx; Jakub Kicinski <kuba@xxxxxxxxxx>; >bpf@xxxxxxxxxxxxxxx; Paolo Abeni <pabeni@xxxxxxxxxx>; David S. Miller ><davem@xxxxxxxxxxxxx>; Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> >Subject: [Intel-wired-lan] [PATCH iwl-next v5 3/4] igb: add AF_XDP zero-copy >Rx support > >From: Sriram Yagnaraman <sriram.yagnaraman@xxxxxxxx> > >Add support for AF_XDP zero-copy receive path. > >When AF_XDP zero-copy is enabled, the rx buffers are allocated from the xsk >buff pool using igb_alloc_rx_buffers_zc. > >Use xsk_pool_get_rx_frame_size to set SRRCTL rx buf size when zero-copy is >enabled. > >Signed-off-by: Sriram Yagnaraman <sriram.yagnaraman@xxxxxxxx> >[Kurt: Port to v6.10 and provide napi_id for xdp_rxq_info_reg()] >Signed-off-by: Kurt Kanzenbach <kurt@xxxxxxxxxxxxx> >--- > drivers/net/ethernet/intel/igb/igb.h | 4 + > drivers/net/ethernet/intel/igb/igb_main.c | 95 ++++++++--- >drivers/net/ethernet/intel/igb/igb_xsk.c | 261 >+++++++++++++++++++++++++++++- > 3 files changed, 337 insertions(+), 23 deletions(-) > Tested-by: Chandan Kumar Rout <chandanx.rout@xxxxxxxxx> (A Contingent Worker at Intel)
