diff options
Diffstat (limited to 'net/xfrm/xfrm_state.c')
| -rw-r--r-- | net/xfrm/xfrm_state.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index 39b8bf3a9ded..899de9ed22a6 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -505,6 +505,14 @@ __xfrm_state_locate(struct xfrm_state *x, int use_spi, int family) x->id.proto, family); } +static void xfrm_hash_grow_check(int have_hash_collision) +{ + if (have_hash_collision && + (xfrm_state_hmask + 1) < xfrm_state_hashmax && + xfrm_state_num > xfrm_state_hmask) + schedule_work(&xfrm_hash_work); +} + struct xfrm_state * xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr, struct flowi *fl, struct xfrm_tmpl *tmpl, @@ -598,6 +606,8 @@ xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr, x->lft.hard_add_expires_seconds = XFRM_ACQ_EXPIRES; x->timer.expires = jiffies + XFRM_ACQ_EXPIRES*HZ; add_timer(&x->timer); + xfrm_state_num++; + xfrm_hash_grow_check(x->bydst.next != NULL); } else { x->km.state = XFRM_STATE_DEAD; xfrm_state_put(x); @@ -642,10 +652,7 @@ static void __xfrm_state_insert(struct xfrm_state *x) xfrm_state_num++; - if (x->bydst.next != NULL && - (xfrm_state_hmask + 1) < xfrm_state_hashmax && - xfrm_state_num > xfrm_state_hmask) - schedule_work(&xfrm_hash_work); + xfrm_hash_grow_check(x->bydst.next != NULL); } /* xfrm_state_lock is held */ @@ -753,6 +760,10 @@ static struct xfrm_state *__find_acq_core(unsigned short family, u8 mode, u32 re h = xfrm_src_hash(daddr, saddr, family); hlist_add_head(&x->bysrc, xfrm_state_bysrc+h); wake_up(&km_waitq); + + xfrm_state_num++; + + xfrm_hash_grow_check(x->bydst.next != NULL); } return x; |