>-----Original Message----- >From: Intel-wired-lan <intel-wired-lan-boun...@osuosl.org> On Behalf Of Kurt >Kanzenbach >Sent: Friday, July 12, 2024 2:26 PM >To: Nguyen, Anthony L <anthony.l.ngu...@intel.com>; Kitszel, Przemyslaw ><przemyslaw.kits...@intel.com> >Cc: Jesper Dangaard Brouer <h...@kernel.org>; Daniel Borkmann ><dan...@iogearbox.net>; Sriram Yagnaraman ><sriram.yagnara...@ericsson.com>; Richard Cochran ><richardcoch...@gmail.com>; Kurt Kanzenbach <k...@linutronix.de>; John >Fastabend <john.fastab...@gmail.com>; Alexei Starovoitov <a...@kernel.org>; >Benjamin Steinke <benjamin.stei...@woks-audio.com>; Eric Dumazet ><eduma...@google.com>; Sriram Yagnaraman ><sriram.yagnara...@est.tech>; intel-wired-...@lists.osuosl.org; >net...@vger.kernel.org; Jakub Kicinski <k...@kernel.org>; >b...@vger.kernel.org; Paolo Abeni <pab...@redhat.com>; David S. Miller ><da...@davemloft.net>; Sebastian Andrzej Siewior <bige...@linutronix.de> >Subject: [Intel-wired-lan] [PATCH iwl-next v5 4/4] igb: add AF_XDP zero-copy >Tx support > >From: Sriram Yagnaraman <sriram.yagnara...@est.tech> > >Add support for AF_XDP zero-copy transmit path. > >A new TX buffer type IGB_TYPE_XSK is introduced to indicate that the Tx frame >was allocated from the xsk buff pool, so igb_clean_tx_ring and igb_clean_tx_irq >can clean the buffers correctly based on type. > >igb_xmit_zc performs the actual packet transmit when AF_XDP zero-copy is >enabled. We share the TX ring between slow path, XDP and AF_XDP zero-copy, >so we use the netdev queue lock to ensure mutual exclusion. > >Signed-off-by: Sriram Yagnaraman <sriram.yagnara...@est.tech> >[Kurt: Set olinfo_status in igb_xmit_zc() so that frames are transmitted] >Signed-off-by: Kurt Kanzenbach <k...@linutronix.de> >--- > drivers/net/ethernet/intel/igb/igb.h | 2 ++ > drivers/net/ethernet/intel/igb/igb_main.c | 56 >++++++++++++++++++++++++++----- >drivers/net/ethernet/intel/igb/igb_xsk.c | 53 >+++++++++++++++++++++++++++++ > 3 files changed, 102 insertions(+), 9 deletions(-) >
Tested-by: Chandan Kumar Rout <chandanx.r...@intel.com> (A Contingent Worker at Intel)
