fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / net / ipv4 / xfrm4_state.c

diff --git a/net/ipv4/xfrm4_state.c b/net/ipv4/xfrm4_state.c
index cd78fa0..3cc3df0 100644 (file)
--- a/net/ipv4/xfrm4_state.c
+++ b/net/ipv4/xfrm4_state.c
@@ -7,11 +7,19 @@
  *
  */
 
+#include <net/ip.h>
 #include <net/xfrm.h>
 #include <linux/pfkeyv2.h>
 #include <linux/ipsec.h>
 
-extern struct xfrm_state_afinfo xfrm4_state_afinfo;
+static struct xfrm_state_afinfo xfrm4_state_afinfo;
+
+static int xfrm4_init_flags(struct xfrm_state *x)
+{
+       if (ipv4_config.no_pmtu_disc)
+               x->props.flags |= XFRM_STATE_NOPMTUDISC;
+       return 0;
+}
 
 static void
 __xfrm4_init_tempsel(struct xfrm_state *x, struct flowi *fl,
@@ -20,10 +28,10 @@ __xfrm4_init_tempsel(struct xfrm_state *x, struct flowi *fl,
 {
        x->sel.daddr.a4 = fl->fl4_dst;
        x->sel.saddr.a4 = fl->fl4_src;
-       x->sel.dport = fl->fl_ip_dport;
-       x->sel.dport_mask = ~0;
-       x->sel.sport = fl->fl_ip_sport;
-       x->sel.sport_mask = ~0;
+       x->sel.dport = xfrm_flowi_dport(fl);
+       x->sel.dport_mask = htons(0xffff);
+       x->sel.sport = xfrm_flowi_sport(fl);
+       x->sel.sport_mask = htons(0xffff);
        x->sel.prefixlen_d = 32;
        x->sel.prefixlen_s = 32;
        x->sel.proto = fl->proto;
@@ -39,81 +47,10 @@ __xfrm4_init_tempsel(struct xfrm_state *x, struct flowi *fl,
        x->props.family = AF_INET;
 }
 
-static struct xfrm_state *
-__xfrm4_state_lookup(xfrm_address_t *daddr, u32 spi, u8 proto)
-{
-       unsigned h = __xfrm4_spi_hash(daddr, spi, proto);
-       struct xfrm_state *x;
-
-       list_for_each_entry(x, xfrm4_state_afinfo.state_byspi+h, byspi) {
-               if (x->props.family == AF_INET &&
-                   spi == x->id.spi &&
-                   daddr->a4 == x->id.daddr.a4 &&
-                   proto == x->id.proto) {
-                       xfrm_state_hold(x);
-                       return x;
-               }
-       }
-       return NULL;
-}
-
-static struct xfrm_state *
-__xfrm4_find_acq(u8 mode, u32 reqid, u8 proto, 
-                xfrm_address_t *daddr, xfrm_address_t *saddr, 
-                int create)
-{
-       struct xfrm_state *x, *x0;
-       unsigned h = __xfrm4_dst_hash(daddr);
-
-       x0 = NULL;
-
-       list_for_each_entry(x, xfrm4_state_afinfo.state_bydst+h, bydst) {
-               if (x->props.family == AF_INET &&
-                   daddr->a4 == x->id.daddr.a4 &&
-                   mode == x->props.mode &&
-                   proto == x->id.proto &&
-                   saddr->a4 == x->props.saddr.a4 &&
-                   reqid == x->props.reqid &&
-                   x->km.state == XFRM_STATE_ACQ) {
-                           if (!x0)
-                                   x0 = x;
-                           if (x->id.spi)
-                                   continue;
-                           x0 = x;
-                           break;
-                   }
-       }
-       if (x0) {
-               xfrm_state_hold(x0);
-       } else if (create && (x0 = xfrm_state_alloc()) != NULL) {
-               x0->sel.daddr.a4 = daddr->a4;
-               x0->sel.saddr.a4 = saddr->a4;
-               x0->sel.prefixlen_d = 32;
-               x0->sel.prefixlen_s = 32;
-               x0->props.saddr.a4 = saddr->a4;
-               x0->km.state = XFRM_STATE_ACQ;
-               x0->id.daddr.a4 = daddr->a4;
-               x0->id.proto = proto;
-               x0->props.family = AF_INET;
-               x0->props.mode = mode;
-               x0->props.reqid = reqid;
-               x0->props.family = AF_INET;
-               x0->lft.hard_add_expires_seconds = XFRM_ACQ_EXPIRES;
-               xfrm_state_hold(x0);
-               mod_timer(&x0->timer, jiffies + XFRM_ACQ_EXPIRES*HZ);
-               xfrm_state_hold(x0);
-               list_add_tail(&x0->bydst, xfrm4_state_afinfo.state_bydst+h);
-               wake_up(&km_waitq);
-       }
-       return x0;
-}
-
 static struct xfrm_state_afinfo xfrm4_state_afinfo = {
        .family                 = AF_INET,
-       .lock                   = RW_LOCK_UNLOCKED,
+       .init_flags             = xfrm4_init_flags,
        .init_tempsel           = __xfrm4_init_tempsel,
-       .state_lookup           = __xfrm4_state_lookup,
-       .find_acq               = __xfrm4_find_acq,
 };
 
 void __init xfrm4_state_init(void)
@@ -121,8 +58,10 @@ void __init xfrm4_state_init(void)
        xfrm_state_register_afinfo(&xfrm4_state_afinfo);
 }
 
+#if 0
 void __exit xfrm4_state_fini(void)
 {
        xfrm_state_unregister_afinfo(&xfrm4_state_afinfo);
 }
+#endif  /*  0  */