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[v2,net-next,00/12] ipv4: fib: Convert RTM_NEWROUTE and RTM_DELROUTE to per-netns RTNL.

Message ID 20250226192556.21633-1-kuniyu@amazon.com (mailing list archive)
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Series ipv4: fib: Convert RTM_NEWROUTE and RTM_DELROUTE to per-netns RTNL. | expand

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Kuniyuki Iwashima Feb. 26, 2025, 7:25 p.m. UTC 
Patch 1 is misc cleanup.
Patch 2 ~ 8 converts two fib_info hash tables to per-netns.
Patch 9 ~ 12 converts rtnl_lock() to rtnl_net_lcok().


Changes:
  v2:
    * Add Eric's tags except for patch 3 (due to a minor change for exit_batch())
    * Patch 3
      * Fix memleak by calling fib4_semantics_exit() properly
      * Move fib4_semantics_exit() to fib_net_exit_batch()

  v1: https://lore.kernel.org/netdev/20250225182250.74650-1-kuniyu@amazon.com/


Kuniyuki Iwashima (12):
  ipv4: fib: Use cached net in fib_inetaddr_event().
  ipv4: fib: Allocate fib_info_hash[] and fib_info_laddrhash[] by
    kvmalloc_array().
  ipv4: fib: Allocate fib_info_hash[] during netns initialisation.
  ipv4: fib: Make fib_info_hashfn() return struct hlist_head.
  ipv4: fib: Remove fib_info_laddrhash pointer.
  ipv4: fib: Remove fib_info_hash_size.
  ipv4: fib: Add fib_info_hash_grow().
  ipv4: fib: Namespacify fib_info hash tables.
  ipv4: fib: Hold rtnl_net_lock() for ip_fib_net_exit().
  ipv4: fib: Hold rtnl_net_lock() in ip_rt_ioctl().
  ipv4: fib: Move fib_valid_key_len() to rtm_to_fib_config().
  ipv4: fib: Convert RTM_NEWROUTE and RTM_DELROUTE to per-netns RTNL.

 include/net/ip_fib.h     |   2 +
 include/net/netns/ipv4.h |   3 +
 net/ipv4/fib_frontend.c  |  74 ++++++++++----
 net/ipv4/fib_semantics.c | 207 +++++++++++++++++++--------------------
 net/ipv4/fib_trie.c      |  22 -----
 5 files changed, 160 insertions(+), 148 deletions(-)