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  1. 22 Feb, 2010 1 commit
  2. 19 Feb, 2010 3 commits
  3. 17 Feb, 2010 1 commit
    • David S. Miller's avatar
      xfrm: Revert false event eliding commits. · 069c474e
      David S. Miller authored
      As reported by Alexey Dobriyan:
      
      --------------------
      setkey now takes several seconds to run this simple script
      and it spits "recv: Resource temporarily unavailable" messages.
      
      #!/usr/sbin/setkey -f
      flush;
      spdflush;
      
      add A B ipcomp 44 -m tunnel -C deflate;
      add B A ipcomp 45 -m tunnel -C deflate;
      
      spdadd A B any -P in ipsec
              ipcomp/tunnel/192.168.1.2-192.168.1.3/use;
      spdadd B A any -P out ipsec
              ipcomp/tunnel/192.168.1.3-192.168.1.2/use;
      --------------------
      
      Obviously applications want the events even when the table
      is empty.  So we cannot make this behavioral change.
      Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      069c474e
  4. 16 Feb, 2010 2 commits
    • jamal's avatar
      xfrm: Flushing empty SPD generates false events · 0dca3a84
      jamal authored
      Observed similar behavior on SPD as previouly seen on SAD flushing..
      This fixes it.
      
      cheers,
      jamal
      commit 428b20432dc31bc2e01a94cd451cf5a2c00d2bf4
      Author: Jamal Hadi Salim <hadi@cyberus.ca>
      Date:   Thu Feb 11 05:49:38 2010 -0500
      
          xfrm: Flushing empty SPD generates false events
      
          To see the effect make sure you have an empty SPD.
          On window1 "ip xfrm mon" and on window2 issue "ip xfrm policy flush"
          You get prompt back in window1 and you see the flush event on window2.
          With this fix, you still get prompt on window1 but no event on window2.
      Signed-off-by: default avatarJamal Hadi Salim <hadi@cyberus.ca>
      Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      0dca3a84
    • jamal's avatar
      xfrm: Flushing empty SAD generates false events · 19f4c713
      jamal authored
      To see the effect make sure you have an empty SAD.
      -On window1 "ip xfrm mon"
      -on window2 issue "ip xfrm state flush"
      You get prompt back in window1
      and you see the flush event on window2.
      With this fix, you still get prompt on window1 but no
      event on window2.
      
      I was tempted to return -ESRCH on window1 (which would
      show "RTNETLINK answers: No such process") but didnt want
      to change current behavior.
      
      cheers,
      jamal
      commit 5f3dd4a772326166e1bcf54acc2391df00dc7ab5
      Author: Jamal Hadi Salim <hadi@cyberus.ca>
      Date:   Thu Feb 11 04:41:36 2010 -0500
      
          xfrm: Flushing empty SAD generates false events
      
          To see the effect make sure you have an empty SAD.
          On window1 "ip xfrm mon" and on window2 issue "ip xfrm state flush"
          You get prompt back in window1 and you see the flush event on window2.
          With this fix, you still get prompt on window1 but no event on window2.
      Signed-off-by: default avatarJamal Hadi Salim <hadi@cyberus.ca>
      Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      19f4c713
  5. 10 Feb, 2010 1 commit
  6. 04 Feb, 2010 1 commit
    • Alexey Dobriyan's avatar
      af_key: fix netns ops ordering on module load/unload · 180211b8
      Alexey Dobriyan authored
      1. After sock_register() returns, it's possible to create sockets,
         even if module still not initialized fully (blame generic module code
         for that!)
      2. Consequently, pfkey_create() can be called with pfkey_net_id still not
         initialized which will BUG_ON in net_generic():
      	kernel BUG at include/net/netns/generic.h:43!
      3. During netns shutdown, netns ops should be unregistered after
         key manager unregistered because key manager calls can be triggered
         from xfrm_user module:
      
         	general protection fault: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC
      	pfkey_broadcast+0x111/0x210 [af_key]
      	pfkey_send_notify+0x16a/0x300 [af_key]
      	km_state_notify+0x41/0x70
      	xfrm_flush_sa+0x75/0x90 [xfrm_user]
      4. Unregister netns ops after socket ops just in case and for symmetry.
      
      Reported by Luca Tettamanti.
      Signed-off-by: default avatarAlexey Dobriyan <adobriyan@gmail.com>
      Tested-by: default avatarLuca Tettamanti <kronos.it@gmail.com>
      Signed-off-by: default avatarEric Dumazet <eric.dumazet@gmail.com>
      Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      180211b8
  7. 02 Feb, 2010 1 commit
  8. 18 Jan, 2010 1 commit
  9. 11 Dec, 2009 1 commit
  10. 02 Dec, 2009 1 commit
  11. 18 Nov, 2009 1 commit
  12. 06 Nov, 2009 1 commit
  13. 12 Oct, 2009 1 commit
    • Neil Horman (CI test user)'s avatar
      net: Generalize socket rx gap / receive queue overflow cmsg · 3b885787
      Neil Horman (CI test user) authored
      Create a new socket level option to report number of queue overflows
      
      Recently I augmented the AF_PACKET protocol to report the number of frames lost
      on the socket receive queue between any two enqueued frames.  This value was
      exported via a SOL_PACKET level cmsg.  AFter I completed that work it was
      requested that this feature be generalized so that any datagram oriented socket
      could make use of this option.  As such I've created this patch, It creates a
      new SOL_SOCKET level option called SO_RXQ_OVFL, which when enabled exports a
      SOL_SOCKET level cmsg that reports the nubmer of times the sk_receive_queue
      overflowed between any two given frames.  It also augments the AF_PACKET
      protocol to take advantage of this new feature (as it previously did not touch
      sk->sk_drops, which this patch uses to record the overflow count).  Tested
      successfully by me.
      
      Notes:
      
      1) Unlike my previous patch, this patch simply records the sk_drops value, which
      is not a number of drops between packets, but rather a total number of drops.
      Deltas must be computed in user space.
      
      2) While this patch currently works with datagram oriented protocols, it will
      also be accepted by non-datagram oriented protocols. I'm not sure if thats
      agreeable to everyone, but my argument in favor of doing so is that, for those
      protocols which aren't applicable to this option, sk_drops will always be zero,
      and reporting no drops on a receive queue that isn't used for those
      non-participating protocols seems reasonable to me.  This also saves us having
      to code in a per-protocol opt in mechanism.
      
      3) This applies cleanly to net-next assuming that commit
      97775007 (my af packet cmsg patch) is reverted
      Signed-off-by: Neil Horman (CI test user)'s avatarNeil Horman <nhorman@tuxdriver.com>
      Signed-off-by: default avatarEric Dumazet <eric.dumazet@gmail.com>
      Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      3b885787
  14. 07 Oct, 2009 1 commit
  15. 02 Sep, 2009 2 commits
  16. 18 Jun, 2009 1 commit
  17. 27 Feb, 2009 1 commit
  18. 26 Jan, 2009 1 commit
  19. 26 Nov, 2008 14 commits
  20. 07 Nov, 2008 1 commit
  21. 31 Oct, 2008 1 commit
    • Alexey Dobriyan's avatar
      key: fix setkey(8) policy set breakage · 920da692
      Alexey Dobriyan authored
      Steps to reproduce:
      
      	#/usr/sbin/setkey -f
      	flush;
      	spdflush;
      
      	add 192.168.0.42 192.168.0.1 ah 24500 -A hmac-md5 "1234567890123456";
      	add 192.168.0.42 192.168.0.1 esp 24501 -E 3des-cbc "123456789012123456789012";
      
      	spdadd 192.168.0.42 192.168.0.1 any -P out ipsec
      		esp/transport//require
      		ah/transport//require;
      
      setkey: invalid keymsg length
      
      Policy dump will bail out with the same message after that.
      
      -recv(4, "\2\16\0\0\32\0\3\0\0\0\0\0\37\r\0\0\3\0\5\0\377 \0\0\2\0\0\0\300\250\0*\0"..., 32768, 0) = 208
      +recv(4, "\2\16\0\0\36\0\3\0\0\0\0\0H\t\0\0\3\0\5\0\377 \0\0\2\0\0\0\300\250\0*\0"..., 32768, 0) = 208
      Signed-off-by: default avatarAlexey Dobriyan <adobriyan@gmail.com>
      Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      920da692
  22. 10 Oct, 2008 1 commit
  23. 05 Oct, 2008 1 commit