netdev - [PATCH net-next v2 0/6] sfc: Add XDP support

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Date:   Mon, 28 Oct 2019 13:56:17 +0000
From:   Charles McLachlan <cmclachlan@...arflare.com>
To:     <davem@...emloft.net>
CC:     <netdev@...r.kernel.org>, <linux-net-drivers@...arflare.com>,
        <brouer@...hat.com>
Subject: [PATCH net-next v2 0/6] sfc: Add XDP support

Supply the XDP callbacks in netdevice ops that enable lower level processing
of XDP frames.

Changes since last submission:
- Use of xdp_return_frame_rx_napi() in tx.c
- Addition of xdp_rxq_info_valid and xdp_rxq_info_failed to track when
  xdp_rxq_info failures occur.
- Renaming of rc to err and more use of unlikely().
- Cut some duplicated code and fix an array overrun.
- Actually increment n_rx_xdp_tx when packets are transmitted.

Charles McLachlan (6):
  sfc: support encapsulation of xdp_frames in efx_tx_buffer
  sfc: perform XDP processing on received packets
  sfc: Enable setting of xdp_prog
  sfc: allocate channels for XDP tx queues
  sfc: handle XDP_TX outcomes of XDP eBPF programs
  sfc: add XDP counters to ethtool stats

 drivers/net/ethernet/sfc/ef10.c       |  10 +-
 drivers/net/ethernet/sfc/efx.c        | 269 ++++++++++++++++++++++----
 drivers/net/ethernet/sfc/efx.h        |   3 +
 drivers/net/ethernet/sfc/ethtool.c    |  25 +++
 drivers/net/ethernet/sfc/net_driver.h |  64 +++++-
 drivers/net/ethernet/sfc/rx.c         | 147 +++++++++++++-
 drivers/net/ethernet/sfc/tx.c         |  74 +++++++
 7 files changed, 549 insertions(+), 43 deletions(-)