Revert to Fedora kernel-2.6.17-1.2187_FC5 patched with vs2.0.2.1; there are too many...
[linux-2.6.git] / net / ipv6 / ipv6_sockglue.c
index 1c50e6a..4c20eeb 100644 (file)
@@ -27,6 +27,7 @@
 
 #include <linux/module.h>
 #include <linux/capability.h>
+#include <linux/config.h>
 #include <linux/errno.h>
 #include <linux/types.h>
 #include <linux/socket.h>
 
 DEFINE_SNMP_STAT(struct ipstats_mib, ipv6_statistics) __read_mostly;
 
-static struct inet6_protocol *ipv6_gso_pull_exthdrs(struct sk_buff *skb,
-                                                   int proto)
-{
-       struct inet6_protocol *ops = NULL;
-
-       for (;;) {
-               struct ipv6_opt_hdr *opth;
-               int len;
-
-               if (proto != NEXTHDR_HOP) {
-                       ops = rcu_dereference(inet6_protos[proto]);
-
-                       if (unlikely(!ops))
-                               break;
-
-                       if (!(ops->flags & INET6_PROTO_GSO_EXTHDR))
-                               break;
-               }
-
-               if (unlikely(!pskb_may_pull(skb, 8)))
-                       break;
-
-               opth = (void *)skb->data;
-               len = opth->hdrlen * 8 + 8;
-
-               if (unlikely(!pskb_may_pull(skb, len)))
-                       break;
-
-               proto = opth->nexthdr;
-               __skb_pull(skb, len);
-       }
-
-       return ops;
-}
-
-static int ipv6_gso_send_check(struct sk_buff *skb)
-{
-       struct ipv6hdr *ipv6h;
-       struct inet6_protocol *ops;
-       int err = -EINVAL;
-
-       if (unlikely(!pskb_may_pull(skb, sizeof(*ipv6h))))
-               goto out;
-
-       ipv6h = skb->nh.ipv6h;
-       __skb_pull(skb, sizeof(*ipv6h));
-       err = -EPROTONOSUPPORT;
-
-       rcu_read_lock();
-       ops = ipv6_gso_pull_exthdrs(skb, ipv6h->nexthdr);
-       if (likely(ops && ops->gso_send_check)) {
-               skb->h.raw = skb->data;
-               err = ops->gso_send_check(skb);
-       }
-       rcu_read_unlock();
-
-out:
-       return err;
-}
-
-static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb, int features)
-{
-       struct sk_buff *segs = ERR_PTR(-EINVAL);
-       struct ipv6hdr *ipv6h;
-       struct inet6_protocol *ops;
-
-       if (!(features & NETIF_F_HW_CSUM))
-               features &= ~NETIF_F_SG;
-
-       if (unlikely(skb_shinfo(skb)->gso_type &
-                    ~(SKB_GSO_UDP |
-                      SKB_GSO_DODGY |
-                      SKB_GSO_TCP_ECN |
-                      SKB_GSO_TCPV6 |
-                      0)))
-               goto out;
-
-       if (unlikely(!pskb_may_pull(skb, sizeof(*ipv6h))))
-               goto out;
-
-       ipv6h = skb->nh.ipv6h;
-       __skb_pull(skb, sizeof(*ipv6h));
-       segs = ERR_PTR(-EPROTONOSUPPORT);
-
-       rcu_read_lock();
-       ops = ipv6_gso_pull_exthdrs(skb, ipv6h->nexthdr);
-       if (likely(ops && ops->gso_segment)) {
-               skb->h.raw = skb->data;
-               segs = ops->gso_segment(skb, features);
-       }
-       rcu_read_unlock();
-
-       if (unlikely(IS_ERR(segs)))
-               goto out;
-
-       for (skb = segs; skb; skb = skb->next) {
-               ipv6h = skb->nh.ipv6h;
-               ipv6h->payload_len = htons(skb->len - skb->mac_len -
-                                          sizeof(*ipv6h));
-       }
-
-out:
-       return segs;
-}
-
 static struct packet_type ipv6_packet_type = {
        .type = __constant_htons(ETH_P_IPV6), 
        .func = ipv6_rcv,
-       .gso_send_check = ipv6_gso_send_check,
-       .gso_segment = ipv6_gso_segment,
 };
 
 struct ip6_ra_chain *ip6_ra_chain;
@@ -365,7 +259,7 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
                break;
 
        case IPV6_TCLASS:
-               if (val < -1 || val > 0xff)
+               if (val < 0 || val > 0xff)
                        goto e_inval;
                np->tclass = val;
                retv = 0;
@@ -950,8 +844,6 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
 
        case IPV6_TCLASS:
                val = np->tclass;
-               if (val < 0)
-                       val = 0;
                break;
 
        case IPV6_RECVTCLASS: