On Sat, Aug 10, 2024 at 03:55:10PM +0200, Maciej Fijalkowski wrote: > On Thu, Aug 08, 2024 at 11:35:53AM -0700, Tony Nguyen wrote: > > 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> > > Tested-by: Chandan Kumar Rout <chandanx.rout@xxxxxxxxx> (A Contingent Worker at Intel) > > Signed-off-by: Tony Nguyen <anthony.l.nguyen@xxxxxxxxx> > > --- > > netdev->priv_flags |= IFF_UNICAST_FLT; > > - netdev->xdp_features = NETDEV_XDP_ACT_BASIC | NETDEV_XDP_ACT_REDIRECT; > > + netdev->xdp_features = NETDEV_XDP_ACT_BASIC | NETDEV_XDP_ACT_REDIRECT | > > + NETDEV_XDP_ACT_XSK_ZEROCOPY; > > Also please set this on last patch as this opens us to a state where AF_XDP ZC is enabled but there is no Tx ZC yet.
