netdev - [RFC 0/2] xdp: introduce bulking for page

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Tue, 20 Oct 2020 11:33:36 +0200
From:   Lorenzo Bianconi <lorenzo@...nel.org>
To:     netdev@...r.kernel.org
Cc:     bpf@...r.kernel.org, davem@...emloft.net, kuba@...nel.org,
        lorenzo.bianconi@...hat.com, brouer@...hat.com,
        ilias.apalodimas@...aro.org
Subject: [RFC 0/2] xdp: introduce bulking for page_pool tx return path

xdp_return_frame/xdp_return_frame_napi and page_pool_put_page are usually
run inside the driver NAPI tx completion loop so it is possible batch them.
Introduce bulking capability in xdp tx return path (XDP_TX and XDP_REDIRECT).
Convert mvneta driver to xdp_return_frame_bulk APIs.

mvneta upstream code:
XDP_TX:		~296Kpps
XDP_REDIRECT:	~273Kpps

mvneta + xdp_return_frame_bulk APIs:
XDP_TX:		~303Kpps
XDP_REDIRECT:	~287Kpps

Lorenzo Bianconi (2):
  net: xdp: introduce bulking for xdp tx return path
  net: page_pool: add bulk support for ptr_ring

 drivers/net/ethernet/marvell/mvneta.c |  8 ++---
 include/net/page_pool.h               | 21 ++++++++++++
 include/net/xdp.h                     | 11 ++++++
 net/core/page_pool.c                  | 37 ++++++++++++++++++++
 net/core/xdp.c                        | 49 +++++++++++++++++++++++++++
 5 files changed, 122 insertions(+), 4 deletions(-)

-- 
2.26.2