> -----Original Message----- > From: Intel-wired-lan <intel-wired-lan-boun...@osuosl.org> On Behalf Of > Kurt Kanzenbach > Sent: Friday, October 18, 2024 1:40 AM > To: Nguyen, Anthony L <anthony.l.ngu...@intel.com>; Kitszel, Przemyslaw > <przemyslaw.kits...@intel.com> > Cc: David S. Miller <da...@davemloft.net>; Eric Dumazet > <eduma...@google.com>; Jakub Kicinski <k...@kernel.org>; Paolo Abeni > <pab...@redhat.com>; Alexei Starovoitov <a...@kernel.org>; Daniel > Borkmann <dan...@iogearbox.net>; Jesper Dangaard Brouer > <h...@kernel.org>; John Fastabend <john.fastab...@gmail.com>; Richard > Cochran <richardcoch...@gmail.com>; Sriram Yagnaraman > <sriram.yagnara...@ericsson.com>; Benjamin Steinke > <benjamin.stei...@woks-audio.com>; Sebastian Andrzej Siewior > <bige...@linutronix.de>; Fijalkowski, Maciej <maciej.fijalkow...@intel.com>; > intel-wired-...@lists.osuosl.org; net...@vger.kernel.org; > b...@vger.kernel.org; Sriram Yagnaraman <sriram.yagnara...@est.tech>; > Kurt Kanzenbach <k...@linutronix.de> > Subject: [Intel-wired-lan] [PATCH iwl-next v9 5/6] igb: Add AF_XDP zero-copy > Rx support > > From: Sriram Yagnaraman <sriram.yagnara...@est.tech> > > 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.yagnara...@est.tech> > [Kurt: Port to v6.12 and provide napi_id for xdp_rxq_info_reg(), > RCT, remove NETDEV_XDP_ACT_XSK_ZEROCOPY, update NTC handling, > READ_ONCE() xsk_pool, likelyfy for XDP_REDIRECT case] > Signed-off-by: Kurt Kanzenbach <k...@linutronix.de> > Acked-by: Maciej Fijalkowski <maciej.fijalkow...@intel.com> > --- > drivers/net/ethernet/intel/igb/igb.h | 6 + > drivers/net/ethernet/intel/igb/igb_main.c | 79 ++++++-- > drivers/net/ethernet/intel/igb/igb_xsk.c | 294 > +++++++++++++++++++++++++++++- > 3 files changed, 360 insertions(+), 19 deletions(-) >
Tested-by: George Kuruvinakunnel <george.kuruvinakun...@intel.com>
