diff options
Diffstat (limited to 'net/ipv6/xfrm6_state.c')
| -rw-r--r-- | net/ipv6/xfrm6_state.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/net/ipv6/xfrm6_state.c b/net/ipv6/xfrm6_state.c index 2fb07850449f..9c95b9d3e110 100644 --- a/net/ipv6/xfrm6_state.c +++ b/net/ipv6/xfrm6_state.c @@ -64,6 +64,26 @@ __xfrm6_init_tempsel(struct xfrm_state *x, struct flowi *fl, } static struct xfrm_state * +__xfrm6_state_lookup_byaddr(xfrm_address_t *daddr, xfrm_address_t *saddr, + u8 proto) +{ + struct xfrm_state *x = NULL; + unsigned h; + + h = __xfrm6_src_hash(saddr); + list_for_each_entry(x, xfrm6_state_afinfo.state_bysrc+h, bysrc) { + if (x->props.family == AF_INET6 && + ipv6_addr_equal((struct in6_addr *)daddr, (struct in6_addr *)x->id.daddr.a6) && + ipv6_addr_equal((struct in6_addr *)saddr, (struct in6_addr *)x->props.saddr.a6) && + proto == x->id.proto) { + xfrm_state_hold(x); + return x; + } + } + return NULL; +} + +static struct xfrm_state * __xfrm6_state_lookup(xfrm_address_t *daddr, u32 spi, u8 proto) { unsigned h = __xfrm6_spi_hash(daddr, spi, proto); @@ -140,6 +160,7 @@ static struct xfrm_state_afinfo xfrm6_state_afinfo = { .family = AF_INET6, .init_tempsel = __xfrm6_init_tempsel, .state_lookup = __xfrm6_state_lookup, + .state_lookup_byaddr = __xfrm6_state_lookup_byaddr, .find_acq = __xfrm6_find_acq, }; |