nfsd4: setclientid_confirm callback-change fixes

[safe/jmp/linux-2.6] / net / ipv6 / xfrm6_policy.c

diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index d26b7dc..b4b16a4 100644 (file)
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -27,7 +27,8 @@
 static struct dst_ops xfrm6_dst_ops;
 static struct xfrm_policy_afinfo xfrm6_policy_afinfo;
 
-static struct dst_entry *xfrm6_dst_lookup(int tos, xfrm_address_t *saddr,
+static struct dst_entry *xfrm6_dst_lookup(struct net *net, int tos,
+                                         xfrm_address_t *saddr,
                                          xfrm_address_t *daddr)
 {
        struct flowi fl = {};
@@ -38,7 +39,7 @@ static struct dst_entry *xfrm6_dst_lookup(int tos, xfrm_address_t *saddr,
        if (saddr)
                memcpy(&fl.fl6_src, saddr, sizeof(fl.fl6_src));
 
-       dst = ip6_route_output(NULL, &fl);
+       dst = ip6_route_output(net, NULL, &fl);
 
        err = dst->error;
        if (dst->error) {
@@ -49,16 +50,20 @@ static struct dst_entry *xfrm6_dst_lookup(int tos, xfrm_address_t *saddr,
        return dst;
 }
 
-static int xfrm6_get_saddr(xfrm_address_t *saddr, xfrm_address_t *daddr)
+static int xfrm6_get_saddr(struct net *net,
+                          xfrm_address_t *saddr, xfrm_address_t *daddr)
 {
        struct dst_entry *dst;
+       struct net_device *dev;
 
-       dst = xfrm6_dst_lookup(0, NULL, daddr);
+       dst = xfrm6_dst_lookup(net, 0, NULL, daddr);
        if (IS_ERR(dst))
                return -EHOSTUNREACH;
 
-       ipv6_get_saddr(dst, (struct in6_addr *)&daddr->a6,
-                      (struct in6_addr *)&saddr->a6);
+       dev = ip6_dst_idev(dst)->dev;
+       ipv6_dev_get_saddr(dev_net(dev), dev,
+                          (struct in6_addr *)&daddr->a6, 0,
+                          (struct in6_addr *)&saddr->a6);
        dst_release(dst);
        return 0;
 }
@@ -98,6 +103,20 @@ static int xfrm6_get_tos(struct flowi *fl)
        return 0;
 }
 
+static int xfrm6_init_path(struct xfrm_dst *path, struct dst_entry *dst,
+                          int nfheader_len)
+{
+       if (dst->ops->family == AF_INET6) {
+               struct rt6_info *rt = (struct rt6_info*)dst;
+               if (rt->rt6i_node)
+                       path->path_cookie = rt->rt6i_node->fn_sernum;
+       }
+
+       path->u.rt6.rt6i_nfheader_len = nfheader_len;
+
+       return 0;
+}
+
 static int xfrm6_fill_dst(struct xfrm_dst *xdst, struct net_device *dev)
 {
        struct rt6_info *rt = (struct rt6_info*)xdst->route;
@@ -115,6 +134,8 @@ static int xfrm6_fill_dst(struct xfrm_dst *xdst, struct net_device *dev)
                                                   RTF_LOCAL);
        xdst->u.rt6.rt6i_metric = rt->rt6i_metric;
        xdst->u.rt6.rt6i_node = rt->rt6i_node;
+       if (rt->rt6i_node)
+               xdst->route_cookie = rt->rt6i_node->fn_sernum;
        xdst->u.rt6.rt6i_gateway = rt->rt6i_gateway;
        xdst->u.rt6.rt6i_dst = rt->rt6i_dst;
        xdst->u.rt6.rt6i_src = rt->rt6i_src;
@@ -125,6 +146,7 @@ static int xfrm6_fill_dst(struct xfrm_dst *xdst, struct net_device *dev)
 static inline void
 _decode_session6(struct sk_buff *skb, struct flowi *fl, int reverse)
 {
+       int onlyproto = 0;
        u16 offset = skb_network_header_len(skb);
        struct ipv6hdr *hdr = ipv6_hdr(skb);
        struct ipv6_opt_hdr *exthdr;
@@ -140,6 +162,8 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl, int reverse)
                exthdr = (struct ipv6_opt_hdr *)(nh + offset);
 
                switch (nexthdr) {
+               case NEXTHDR_FRAGMENT:
+                       onlyproto = 1;
                case NEXTHDR_ROUTING:
                case NEXTHDR_HOP:
                case NEXTHDR_DEST:
@@ -153,7 +177,7 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl, int reverse)
                case IPPROTO_TCP:
                case IPPROTO_SCTP:
                case IPPROTO_DCCP:
-                       if (pskb_may_pull(skb, nh + offset + 4 - skb->data)) {
+                       if (!onlyproto && pskb_may_pull(skb, nh + offset + 4 - skb->data)) {
                                __be16 *ports = (__be16 *)exthdr;
 
                                fl->fl_ip_sport = ports[!!reverse];
@@ -163,7 +187,7 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl, int reverse)
                        return;
 
                case IPPROTO_ICMPV6:
-                       if (pskb_may_pull(skb, nh + offset + 2 - skb->data)) {
+                       if (!onlyproto && pskb_may_pull(skb, nh + offset + 2 - skb->data)) {
                                u8 *icmp = (u8 *)exthdr;
 
                                fl->fl_icmp_type = icmp[0];
@@ -174,7 +198,7 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl, int reverse)
 
 #if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
                case IPPROTO_MH:
-                       if (pskb_may_pull(skb, nh + offset + 3 - skb->data)) {
+                       if (!onlyproto && pskb_may_pull(skb, nh + offset + 3 - skb->data)) {
                                struct ip6_mh *mh;
                                mh = (struct ip6_mh *)exthdr;
 
@@ -196,9 +220,9 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl, int reverse)
        }
 }
 
-static inline int xfrm6_garbage_collect(void)
+static inline int xfrm6_garbage_collect(struct dst_ops *ops)
 {
-       xfrm6_policy_afinfo.garbage_collect();
+       xfrm6_policy_afinfo.garbage_collect(&init_net);
        return (atomic_read(&xfrm6_dst_ops.entries) > xfrm6_dst_ops.gc_thresh*2);
 }
 
@@ -230,7 +254,7 @@ static void xfrm6_dst_ifdown(struct dst_entry *dst, struct net_device *dev,
        xdst = (struct xfrm_dst *)dst;
        if (xdst->u.rt6.rt6i_idev->dev == dev) {
                struct inet6_dev *loopback_idev =
-                       in6_dev_get(dev->nd_net->loopback_dev);
+                       in6_dev_get(dev_net(dev)->loopback_dev);
                BUG_ON(!loopback_idev);
 
                do {
@@ -248,14 +272,14 @@ static void xfrm6_dst_ifdown(struct dst_entry *dst, struct net_device *dev,
 
 static struct dst_ops xfrm6_dst_ops = {
        .family =               AF_INET6,
-       .protocol =             __constant_htons(ETH_P_IPV6),
+       .protocol =             cpu_to_be16(ETH_P_IPV6),
        .gc =                   xfrm6_garbage_collect,
        .update_pmtu =          xfrm6_update_pmtu,
        .destroy =              xfrm6_dst_destroy,
        .ifdown =               xfrm6_dst_ifdown,
        .local_out =            __ip6_local_out,
        .gc_thresh =            1024,
-       .entry_size =           sizeof(struct xfrm_dst),
+       .entries =              ATOMIC_INIT(0),
 };
 
 static struct xfrm_policy_afinfo xfrm6_policy_afinfo = {
@@ -266,6 +290,7 @@ static struct xfrm_policy_afinfo xfrm6_policy_afinfo = {
        .find_bundle =          __xfrm6_find_bundle,
        .decode_session =       _decode_session6,
        .get_tos =              xfrm6_get_tos,
+       .init_path =            xfrm6_init_path,
        .fill_dst =             xfrm6_fill_dst,
 };