From: David S. Miller <davem@davemloft.net>
Date: Thu, 31 Oct 2019 21:14:53 +0000 (-0700)
Subject: Merge branch 'sfc-Add-XDP-support'
X-Git-Tag: v5.5-rc1~174^2~257
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=e3b205b1fdf0daed64e24737bd0dff3379a09ebb;p=tomoyo%2Ftomoyo-test1.git

Merge branch 'sfc-Add-XDP-support'

Charles McLachlan says:

====================
sfc: Add XDP support

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

Changes in v4:
- Handle the failure to send some frames in efx_xdp_tx_buffers() properly.

Changes in v3:
- Fix a BUG_ON when trying to allocate piobufs to xdp queues.
- Add a missed trace_xdp_exception.

Changes in v2:
- 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.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
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e3b205b1fdf0daed64e24737bd0dff3379a09ebb