diff options
Diffstat (limited to 'net/xfrm/xfrm_state.c')
| -rw-r--r-- | net/xfrm/xfrm_state.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index 34c038c..2a99928 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -45,6 +45,7 @@ static DEFINE_SPINLOCK(xfrm_state_lock); * Also, it can be used by ah/esp icmp error handler to find offending SA. */ static struct list_head xfrm_state_bydst[XFRM_DST_HSIZE]; +static struct list_head xfrm_state_bysrc[XFRM_DST_HSIZE]; static struct list_head xfrm_state_byspi[XFRM_DST_HSIZE]; DECLARE_WAIT_QUEUE_HEAD(km_waitq); @@ -200,6 +201,7 @@ struct xfrm_state *xfrm_state_alloc(void) atomic_set(&x->refcnt, 1); atomic_set(&x->tunnel_users, 0); INIT_LIST_HEAD(&x->bydst); + INIT_LIST_HEAD(&x->bysrc); INIT_LIST_HEAD(&x->byspi); init_timer(&x->timer); x->timer.function = xfrm_timer_handler; @@ -240,6 +242,8 @@ int __xfrm_state_delete(struct xfrm_state *x) spin_lock(&xfrm_state_lock); list_del(&x->bydst); __xfrm_state_put(x); + list_del(&x->bysrc); + __xfrm_state_put(x); if (x->id.spi) { list_del(&x->byspi); __xfrm_state_put(x); @@ -415,6 +419,8 @@ xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr, x->km.state = XFRM_STATE_ACQ; list_add_tail(&x->bydst, xfrm_state_bydst+h); xfrm_state_hold(x); + list_add_tail(&x->bysrc, xfrm_state_bysrc+h); + xfrm_state_hold(x); if (x->id.spi) { h = xfrm_spi_hash(&x->id.daddr, x->id.spi, x->id.proto, family); list_add(&x->byspi, xfrm_state_byspi+h); @@ -448,11 +454,19 @@ static void __xfrm_state_insert(struct xfrm_state *x) list_add(&x->bydst, xfrm_state_bydst+h); xfrm_state_hold(x); - h = xfrm_spi_hash(&x->id.daddr, x->id.spi, x->id.proto, x->props.family); + h = xfrm_src_hash(&x->props.saddr, x->props.family); - list_add(&x->byspi, xfrm_state_byspi+h); + list_add(&x->bysrc, xfrm_state_bysrc+h); xfrm_state_hold(x); + if (xfrm_id_proto_match(x->id.proto, IPSEC_PROTO_ANY)) { + h = xfrm_spi_hash(&x->id.daddr, x->id.spi, x->id.proto, + x->props.family); + + list_add(&x->byspi, xfrm_state_byspi+h); + xfrm_state_hold(x); + } + if (!mod_timer(&x->timer, jiffies + HZ)) xfrm_state_hold(x); @@ -1075,6 +1089,7 @@ int xfrm_state_register_afinfo(struct xfrm_state_afinfo *afinfo) err = -ENOBUFS; else { afinfo->state_bydst = xfrm_state_bydst; + afinfo->state_bysrc = xfrm_state_bysrc; afinfo->state_byspi = xfrm_state_byspi; xfrm_state_afinfo[afinfo->family] = afinfo; } @@ -1097,6 +1112,7 @@ int xfrm_state_unregister_afinfo(struct xfrm_state_afinfo *afinfo) else { xfrm_state_afinfo[afinfo->family] = NULL; afinfo->state_byspi = NULL; + afinfo->state_bysrc = NULL; afinfo->state_bydst = NULL; } } @@ -1218,6 +1234,7 @@ void __init xfrm_state_init(void) for (i=0; i<XFRM_DST_HSIZE; i++) { INIT_LIST_HEAD(&xfrm_state_bydst[i]); + INIT_LIST_HEAD(&xfrm_state_bysrc[i]); INIT_LIST_HEAD(&xfrm_state_byspi[i]); } INIT_WORK(&xfrm_state_gc_work, xfrm_state_gc_task, NULL); |