> -----Original Message----- > From: Intel-wired-lan <intel-wired-lan-bounces@xxxxxxxxxx> On Behalf Of > Kurt Kanzenbach > Sent: Friday, October 18, 2024 1:40 AM > To: Nguyen, Anthony L <anthony.l.nguyen@xxxxxxxxx>; Kitszel, Przemyslaw > <przemyslaw.kitszel@xxxxxxxxx> > Cc: David S. Miller <davem@xxxxxxxxxxxxx>; Eric Dumazet > <edumazet@xxxxxxxxxx>; Jakub Kicinski <kuba@xxxxxxxxxx>; Paolo Abeni > <pabeni@xxxxxxxxxx>; Alexei Starovoitov <ast@xxxxxxxxxx>; Daniel > Borkmann <daniel@xxxxxxxxxxxxx>; Jesper Dangaard Brouer > <hawk@xxxxxxxxxx>; John Fastabend <john.fastabend@xxxxxxxxx>; Richard > Cochran <richardcochran@xxxxxxxxx>; Sriram Yagnaraman > <sriram.yagnaraman@xxxxxxxxxxxx>; Benjamin Steinke > <benjamin.steinke@xxxxxxxxxxxxxx>; Sebastian Andrzej Siewior > <bigeasy@xxxxxxxxxxxxx>; Fijalkowski, Maciej <maciej.fijalkowski@xxxxxxxxx>; > intel-wired-lan@xxxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; > bpf@xxxxxxxxxxxxxxx; Sriram Yagnaraman <sriram.yagnaraman@xxxxxxxx>; > Kurt Kanzenbach <kurt@xxxxxxxxxxxxx> > Subject: [Intel-wired-lan] [PATCH iwl-next v9 3/6] igb: Introduce XSK data > structures and helpers > > From: Sriram Yagnaraman <sriram.yagnaraman@xxxxxxxx> > > Add the following ring flag: > - IGB_RING_FLAG_TX_DISABLED (when xsk pool is being setup) > > Add a xdp_buff array for use with XSK receive batch API, and a pointer to > xsk_pool in igb_adapter. > > Add enable/disable functions for TX and RX rings. > Add enable/disable functions for XSK pool. > Add xsk wakeup function. > > None of the above functionality will be active until > NETDEV_XDP_ACT_XSK_ZEROCOPY is advertised in netdev->xdp_features. > > Signed-off-by: Sriram Yagnaraman <sriram.yagnaraman@xxxxxxxx> > [Kurt: Add READ/WRITE_ONCE(), synchronize_net(), > remove IGB_RING_FLAG_AF_XDP_ZC] > Signed-off-by: Kurt Kanzenbach <kurt@xxxxxxxxxxxxx> > Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@xxxxxxxxx> > --- > drivers/net/ethernet/intel/igb/Makefile | 2 +- > drivers/net/ethernet/intel/igb/igb.h | 13 +- > drivers/net/ethernet/intel/igb/igb_main.c | 9 ++ > drivers/net/ethernet/intel/igb/igb_xsk.c | 207 > ++++++++++++++++++++++++++++++ > 4 files changed, 229 insertions(+), 2 deletions(-) > Tested-by: George Kuruvinakunnel <george.kuruvinakunnel@xxxxxxxxx>
