netdev - [PATCH v2 net-next 0/5] net: More movement to fib_nh

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Message-Id: <20190401162603.26914-1-dsahern@kernel.org>
Date:   Mon,  1 Apr 2019 09:25:58 -0700
From:   David Ahern <dsahern@...nel.org>
To:     davem@...emloft.net, netdev@...r.kernel.org
Cc:     idosch@...lanox.com, David Ahern <dsahern@...il.com>
Subject: [PATCH v2 net-next 0/5] net: More movement to fib_nh_common

From: David Ahern <dsahern@...il.com>

Second set of three with the end goal of enabling IPv6 gateways with IPv4
routes.

This set moves:
- the ipv4 tracepoint to take a fib_nh_common and updates it to handle
  a v6 gateway.
- consolidates route notifications to use the same fill functions
  for both ipv4 and ipv6

v2
- dropped patches moving cached routes and exception buckets to
  fib_nh_common. The goal is allowing a fib6_nh to be used with an
  IPv4 route. The hold up is the need for separate exception buckets -
  one for v6 routes and one for v4 routes. When all of the nexthop patches
  are in, adding a secondi exception bucket pushes IPv6 fib6_info
  allocations over 256 which means fib6_info allocations roll up to 512.
  Hence, deferring the patches until some data mining can be done to keep
  the allocations at 256. 

David Ahern (5):
  ipv4: Update fib_table_lookup tracepoint to take common nexthop
  ipv4: Add fib_nh_common to fib_result
  ipv4: Refactor nexthop attributes in fib_dump_info
  ipv4: Change fib_nexthop_info and fib_add_nexthop to take
    fib_nh_common
  ipv6: Flip to fib_nexthop_info

 include/net/ip_fib.h       |  52 +++++------
 include/trace/events/fib.h |  45 ++++++----
 net/core/filter.c          |  12 +--
 net/ipv4/fib_frontend.c    |   6 +-
 net/ipv4/fib_lookup.h      |   1 +
 net/ipv4/fib_semantics.c   | 220 ++++++++++++++++++++++++++++++++-------------
 net/ipv4/fib_trie.c        |  13 +--
 net/ipv4/route.c           |  60 ++++++++-----
 net/ipv6/route.c           |  78 ++--------------
 9 files changed, 273 insertions(+), 214 deletions(-)

-- 
2.11.0