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[v4,net-next,0/6] net: ILA notification mechanism and fixes

Message ID 20171215182800.10248-1-tom@quantonium.net
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Series net: ILA notification mechanism and fixes | expand

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Tom Herbert Dec. 15, 2017, 6:27 p.m. UTC 
This patch set adds support to get netlink notifications for ILA 
routes when a route is used. This is done to support ILA forwarding
cache address resolution as well as ILA router redirect mechanisms.

This patch set contains:

- The ILA route notification mechanism
- Routing messages are used over netlink to indicate resolution
  requests
- Add net to ila build_state
- Add flush command to ila_xlat
- Fix use of rhashtable for latest fixes

v4:
 - Remove front end cache per davem feedback
 - Eliminate separate LWT type just use ILA LWT already in place

v3:
 - Removed rhashtable changes to their own patch set
 - Restructure ILA code to be more amenable to changes
 - Remove extra call back functions in resolution interface

Changes from initial RFC:

 - Added net argument to LWT build_state
 - Made resolve timeout an attribute of the LWT encap route
 - Changed ILA notifications to be regular routing messages of event
   RTM_ADDR_RESOLVE, family RTNL_FAMILY_ILA, and group
   RTNLGRP_ILA_NOTIFY


Tom Herbert (6):
  lwt: Add net to build_state argument
  ila: Fix use of rhashtable walk in ila_xlat.c
  ila: Call library function alloc_bucket_locks
  ila: create main ila source file
  ila: Flush netlink command to clear xlat table
  ila: Route notify

 include/net/lwtunnel.h         |   6 +-
 include/uapi/linux/ila.h       |   3 +
 include/uapi/linux/rtnetlink.h |   8 +-
 net/core/lwt_bpf.c             |   2 +-
 net/core/lwtunnel.c            |   4 +-
 net/ipv4/fib_semantics.c       |  13 +-
 net/ipv4/ip_tunnel_core.c      |   4 +-
 net/ipv6/ila/Makefile          |   2 +-
 net/ipv6/ila/ila.h             |  27 +++-
 net/ipv6/ila/ila_common.c      |  30 -----
 net/ipv6/ila/ila_lwt.c         | 270 ++++++++++++++++++++++++++------------
 net/ipv6/ila/ila_main.c        | 121 +++++++++++++++++
 net/ipv6/ila/ila_xlat.c        | 290 ++++++++++++++++++++---------------------
 net/ipv6/route.c               |   2 +-
 net/ipv6/seg6_iptunnel.c       |   2 +-
 net/ipv6/seg6_local.c          |   5 +-
 net/mpls/mpls_iptunnel.c       |   2 +-
 17 files changed, 508 insertions(+), 283 deletions(-)
 create mode 100644 net/ipv6/ila/ila_main.c