diff options
Diffstat (limited to 'net/xfrm/xfrm_state.c')
| -rw-r--r-- | net/xfrm/xfrm_state.c | 25 | 
1 files changed, 19 insertions, 6 deletions
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index a8e14dc1b04e..3dc3e1f3b7aa 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c  | |||
| @@ -805,16 +805,22 @@ void xfrm_replay_notify(struct xfrm_state *x, int event) | |||
| 805 | case XFRM_REPLAY_UPDATE: | 805 | case XFRM_REPLAY_UPDATE: | 
| 806 | if (x->replay_maxdiff && | 806 | if (x->replay_maxdiff && | 
| 807 | (x->replay.seq - x->preplay.seq < x->replay_maxdiff) && | 807 | (x->replay.seq - x->preplay.seq < x->replay_maxdiff) && | 
| 808 | (x->replay.oseq - x->preplay.oseq < x->replay_maxdiff)) | 808 | (x->replay.oseq - x->preplay.oseq < x->replay_maxdiff)) { | 
| 809 | return; | 809 | if (x->xflags & XFRM_TIME_DEFER) | 
| 810 | event = XFRM_REPLAY_TIMEOUT; | ||
| 811 | else | ||
| 812 | return; | ||
| 813 | } | ||
| 810 | 814 | ||
| 811 | break; | 815 | break; | 
| 812 | 816 | ||
| 813 | case XFRM_REPLAY_TIMEOUT: | 817 | case XFRM_REPLAY_TIMEOUT: | 
| 814 | if ((x->replay.seq == x->preplay.seq) && | 818 | if ((x->replay.seq == x->preplay.seq) && | 
| 815 | (x->replay.bitmap == x->preplay.bitmap) && | 819 | (x->replay.bitmap == x->preplay.bitmap) && | 
| 816 | (x->replay.oseq == x->preplay.oseq)) | 820 | (x->replay.oseq == x->preplay.oseq)) { | 
| 821 | x->xflags |= XFRM_TIME_DEFER; | ||
| 817 | return; | 822 | return; | 
| 823 | } | ||
| 818 | 824 | ||
| 819 | break; | 825 | break; | 
| 820 | } | 826 | } | 
| @@ -825,8 +831,10 @@ void xfrm_replay_notify(struct xfrm_state *x, int event) | |||
| 825 | km_state_notify(x, &c); | 831 | km_state_notify(x, &c); | 
| 826 | 832 | ||
| 827 | if (x->replay_maxage && | 833 | if (x->replay_maxage && | 
| 828 | !mod_timer(&x->rtimer, jiffies + x->replay_maxage)) | 834 | !mod_timer(&x->rtimer, jiffies + x->replay_maxage)) { | 
| 829 | xfrm_state_hold(x); | 835 | xfrm_state_hold(x); | 
| 836 | x->xflags &= ~XFRM_TIME_DEFER; | ||
| 837 | } | ||
| 830 | } | 838 | } | 
| 831 | EXPORT_SYMBOL(xfrm_replay_notify); | 839 | EXPORT_SYMBOL(xfrm_replay_notify); | 
| 832 | 840 | ||
| @@ -836,10 +844,15 @@ static void xfrm_replay_timer_handler(unsigned long data) | |||
| 836 | 844 | ||
| 837 | spin_lock(&x->lock); | 845 | spin_lock(&x->lock); | 
| 838 | 846 | ||
| 839 | if (xfrm_aevent_is_on() && x->km.state == XFRM_STATE_VALID) | 847 | if (x->km.state == XFRM_STATE_VALID) { | 
| 840 | xfrm_replay_notify(x, XFRM_REPLAY_TIMEOUT); | 848 | if (xfrm_aevent_is_on()) | 
| 849 | xfrm_replay_notify(x, XFRM_REPLAY_TIMEOUT); | ||
| 850 | else | ||
| 851 | x->xflags |= XFRM_TIME_DEFER; | ||
| 852 | } | ||
| 841 | 853 | ||
| 842 | spin_unlock(&x->lock); | 854 | spin_unlock(&x->lock); | 
| 855 | xfrm_state_put(x); | ||
| 843 | } | 856 | } | 
| 844 | 857 | ||
| 845 | int xfrm_replay_check(struct xfrm_state *x, u32 seq) | 858 | int xfrm_replay_check(struct xfrm_state *x, u32 seq) | 
