[XFRM] STATE: Add source address list.

Support source address based searching.
Mobile IPv6 will use it.
Based on MIPL2 kernel patch.

Signed-off-by: Masahide NAKAMURA <nakam@linux-ipv6.org>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 0 deletions

diff --git a/net/ipv4/xfrm4_state.c b/net/ipv4/xfrm4_state.c
index 97b0c7589711..c56b258fad73 100644
--- a/net/ipv4/xfrm4_state.c
+++ b/net/ipv4/xfrm4_state.c
@@ -122,6 +122,9 @@ __xfrm4_find_acq(u8 mode, u32 reqid, u8 proto,
                 add_timer(&x0->timer);
                 xfrm_state_hold(x0);
                 list_add_tail(&x0->bydst, xfrm4_state_afinfo.state_bydst+h);
+                h = __xfrm4_src_hash(saddr);
+                xfrm_state_hold(x0);
+                list_add_tail(&x0->bysrc, xfrm4_state_afinfo.state_bysrc+h);
                 wake_up(&km_waitq);
         }
         if (x0)