netdev - [PATCH net-next v3 00/10] net: add and use dev_get

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Date:   Sat, 7 Nov 2020 21:48:13 +0100
From:   Heiner Kallweit <hkallweit1@...il.com>
To:     Jakub Kicinski <kuba@...nel.org>,
        David Miller <davem@...emloft.net>,
        Alexey Kuznetsov <kuznet@....inr.ac.ru>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Pablo Neira Ayuso <pablo@...filter.org>,
        Harald Welte <laforge@...monks.org>,
        "Jason A. Donenfeld" <Jason@...c4.com>,
        Herbert Xu <herbert@...dor.apana.org.au>
Cc:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        osmocom-net-gprs@...ts.osmocom.org, wireguard@...ts.zx2c4.com,
        Steffen Klassert <steffen.klassert@...unet.com>
Subject: [PATCH net-next v3 00/10] net: add and use dev_get_tstats64

It's a frequent pattern to use netdev->stats for the less frequently
accessed counters and per-cpu counters for the frequently accessed
counters (rx/tx bytes/packets). Add a default ndo_get_stats64()
implementation for this use case. Subsequently switch more drivers
to use this pattern.

v2:
- add patches for replacing ip_tunnel_get_stats64
  Requested additional migrations will come in a separate series.

v3:
- add atomic_long_t member rx_frame_errors in patch 3 for making
  counter updates atomic

Heiner Kallweit (10):
  net: core: add dev_get_tstats64 as a ndo_get_stats64 implementation
  net: dsa: use net core stats64 handling
  tun: switch to net core provided statistics counters
  ip6_tunnel: use ip_tunnel_get_stats64 as ndo_get_stats64 callback
  net: switch to dev_get_tstats64
  gtp: switch to dev_get_tstats64
  wireguard: switch to dev_get_tstats64
  vti: switch to dev_get_tstats64
  ipv4/ipv6: switch to dev_get_tstats64
  net: remove ip_tunnel_get_stats64

 drivers/net/bareudp.c          |   2 +-
 drivers/net/geneve.c           |   2 +-
 drivers/net/gtp.c              |   2 +-
 drivers/net/tun.c              | 121 +++++++++------------------------
 drivers/net/vxlan.c            |   4 +-
 drivers/net/wireguard/device.c |   2 +-
 include/linux/netdevice.h      |   1 +
 include/net/ip_tunnels.h       |   2 -
 net/core/dev.c                 |  15 ++++
 net/dsa/dsa.c                  |   7 +-
 net/dsa/dsa_priv.h             |   2 -
 net/dsa/slave.c                |  29 ++------
 net/ipv4/ip_gre.c              |   6 +-
 net/ipv4/ip_tunnel_core.c      |   9 ---
 net/ipv4/ip_vti.c              |   2 +-
 net/ipv4/ipip.c                |   2 +-
 net/ipv6/ip6_gre.c             |   6 +-
 net/ipv6/ip6_tunnel.c          |  32 +--------
 net/ipv6/ip6_vti.c             |   2 +-
 net/ipv6/sit.c                 |   2 +-
 20 files changed, 75 insertions(+), 175 deletions(-)

-- 
2.29.2