hugetlb: fix infinite loop in get_futex_key() when backed by huge pages

[safe/jmp/linux-2.6] / include / net / ip.h

diff --git a/include/net/ip.h b/include/net/ip.h
index ddef10c..503994a 100644 (file)
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -33,8 +33,7 @@
 
 struct sock;
 
-struct inet_skb_parm
-{
+struct inet_skb_parm {
        struct ip_options       opt;            /* Compiled IP options          */
        unsigned char           flags;
 
@@ -50,17 +49,16 @@ static inline unsigned int ip_hdrlen(const struct sk_buff *skb)
        return ip_hdr(skb)->ihl * 4;
 }
 
-struct ipcm_cookie
-{
+struct ipcm_cookie {
        __be32                  addr;
        int                     oif;
        struct ip_options       *opt;
+       union skb_shared_tx     shtx;
 };
 
 #define IPCB(skb) ((struct inet_skb_parm*)((skb)->cb))
 
-struct ip_ra_chain
-{
+struct ip_ra_chain {
        struct ip_ra_chain      *next;
        struct sock             *sk;
        void                    (*destructor)(struct sock *);
@@ -158,8 +156,7 @@ static inline __u8 ip_reply_arg_flowi_flags(const struct ip_reply_arg *arg)
 void ip_send_reply(struct sock *sk, struct sk_buff *skb, struct ip_reply_arg *arg,
                   unsigned int len); 
 
-struct ipv4_config
-{
+struct ipv4_config {
        int     log_martians;
        int     no_pmtu_disc;
 };
@@ -167,16 +164,19 @@ struct ipv4_config
 extern struct ipv4_config ipv4_config;
 #define IP_INC_STATS(net, field)       SNMP_INC_STATS((net)->mib.ip_statistics, field)
 #define IP_INC_STATS_BH(net, field)    SNMP_INC_STATS_BH((net)->mib.ip_statistics, field)
+#define IP_ADD_STATS(net, field, val)  SNMP_ADD_STATS((net)->mib.ip_statistics, field, val)
 #define IP_ADD_STATS_BH(net, field, val) SNMP_ADD_STATS_BH((net)->mib.ip_statistics, field, val)
+#define IP_UPD_PO_STATS(net, field, val) SNMP_UPD_PO_STATS((net)->mib.ip_statistics, field, val)
+#define IP_UPD_PO_STATS_BH(net, field, val) SNMP_UPD_PO_STATS_BH((net)->mib.ip_statistics, field, val)
 #define NET_INC_STATS(net, field)      SNMP_INC_STATS((net)->mib.net_statistics, field)
 #define NET_INC_STATS_BH(net, field)   SNMP_INC_STATS_BH((net)->mib.net_statistics, field)
 #define NET_INC_STATS_USER(net, field)         SNMP_INC_STATS_USER((net)->mib.net_statistics, field)
 #define NET_ADD_STATS_BH(net, field, adnd) SNMP_ADD_STATS_BH((net)->mib.net_statistics, field, adnd)
 #define NET_ADD_STATS_USER(net, field, adnd) SNMP_ADD_STATS_USER((net)->mib.net_statistics, field, adnd)
 
-extern unsigned long snmp_fold_field(void *mib[], int offt);
-extern int snmp_mib_init(void *ptr[2], size_t mibsize);
-extern void snmp_mib_free(void *ptr[2]);
+extern unsigned long snmp_fold_field(void __percpu *mib[], int offt);
+extern int snmp_mib_init(void __percpu *ptr[2], size_t mibsize);
+extern void snmp_mib_free(void __percpu *ptr[2]);
 
 extern struct local_ports {
        seqlock_t       lock;
@@ -187,6 +187,7 @@ extern void inet_get_local_port_range(int *low, int *high);
 extern int sysctl_ip_default_ttl;
 extern int sysctl_ip_nonlocal_bind;
 
+extern struct ctl_path net_core_path[];
 extern struct ctl_path net_ipv4_ctl_path[];
 
 /* From inetpeer.c */
@@ -235,8 +236,8 @@ static inline void ip_select_ident(struct iphdr *iph, struct dst_entry *dst, str
                 * does not change, they drop every other packet in
                 * a TCP stream using header compression.
                 */
-               iph->id = (sk && inet_sk(sk)->daddr) ?
-                                       htons(inet_sk(sk)->id++) : 0;
+               iph->id = (sk && inet_sk(sk)->inet_daddr) ?
+                                       htons(inet_sk(sk)->inet_id++) : 0;
        } else
                __ip_select_ident(iph, dst, 0);
 }
@@ -244,9 +245,9 @@ static inline void ip_select_ident(struct iphdr *iph, struct dst_entry *dst, str
 static inline void ip_select_ident_more(struct iphdr *iph, struct dst_entry *dst, struct sock *sk, int more)
 {
        if (iph->frag_off & htons(IP_DF)) {
-               if (sk && inet_sk(sk)->daddr) {
-                       iph->id = htons(inet_sk(sk)->id);
-                       inet_sk(sk)->id += 1 + more;
+               if (sk && inet_sk(sk)->inet_daddr) {
+                       iph->id = htons(inet_sk(sk)->inet_id);
+                       inet_sk(sk)->inet_id += 1 + more;
                } else
                        iph->id = 0;
        } else
@@ -312,7 +313,7 @@ static inline void ip_ib_mc_map(__be32 naddr, const unsigned char *broadcast, ch
 
 static __inline__ void inet_reset_saddr(struct sock *sk)
 {
-       inet_sk(sk)->rcv_saddr = inet_sk(sk)->saddr = 0;
+       inet_sk(sk)->inet_rcv_saddr = inet_sk(sk)->inet_saddr = 0;
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
        if (sk->sk_family == PF_INET6) {
                struct ipv6_pinfo *np = inet6_sk(sk);
@@ -325,18 +326,37 @@ static __inline__ void inet_reset_saddr(struct sock *sk)
 
 #endif
 
+static inline int sk_mc_loop(struct sock *sk)
+{
+       if (!sk)
+               return 1;
+       switch (sk->sk_family) {
+       case AF_INET:
+               return inet_sk(sk)->mc_loop;
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+       case AF_INET6:
+               return inet6_sk(sk)->mc_loop;
+#endif
+       }
+       WARN_ON(1);
+       return 1;
+}
+
 extern int     ip_call_ra_chain(struct sk_buff *skb);
 
 /*
  *     Functions provided by ip_fragment.c
  */
 
-enum ip_defrag_users
-{
+enum ip_defrag_users {
        IP_DEFRAG_LOCAL_DELIVER,
        IP_DEFRAG_CALL_RA_CHAIN,
        IP_DEFRAG_CONNTRACK_IN,
+       __IP_DEFRAG_CONNTRACK_IN_END    = IP_DEFRAG_CONNTRACK_IN + USHORT_MAX,
        IP_DEFRAG_CONNTRACK_OUT,
+       __IP_DEFRAG_CONNTRACK_OUT_END   = IP_DEFRAG_CONNTRACK_OUT + USHORT_MAX,
+       IP_DEFRAG_CONNTRACK_BRIDGE_IN,
+       __IP_DEFRAG_CONNTRACK_BRIDGE_IN = IP_DEFRAG_CONNTRACK_BRIDGE_IN + USHORT_MAX,
        IP_DEFRAG_VS_IN,
        IP_DEFRAG_VS_OUT,
        IP_DEFRAG_VS_FWD
@@ -376,10 +396,10 @@ extern int ip_options_rcv_srr(struct sk_buff *skb);
 extern void    ip_cmsg_recv(struct msghdr *msg, struct sk_buff *skb);
 extern int     ip_cmsg_send(struct net *net,
                             struct msghdr *msg, struct ipcm_cookie *ipc);
-extern int     ip_setsockopt(struct sock *sk, int level, int optname, char __user *optval, int optlen);
+extern int     ip_setsockopt(struct sock *sk, int level, int optname, char __user *optval, unsigned int optlen);
 extern int     ip_getsockopt(struct sock *sk, int level, int optname, char __user *optval, int __user *optlen);
 extern int     compat_ip_setsockopt(struct sock *sk, int level,
-                       int optname, char __user *optval, int optlen);
+                       int optname, char __user *optval, unsigned int optlen);
 extern int     compat_ip_getsockopt(struct sock *sk, int level,
                        int optname, char __user *optval, int __user *optlen);
 extern int     ip_ra_control(struct sock *sk, unsigned char on, void (*destructor)(struct sock *));
@@ -394,7 +414,7 @@ extern void ip_local_error(struct sock *sk, int err, __be32 daddr, __be16 dport,
  * fed into the routing cache should use these handlers.
  */
 int ipv4_doint_and_flush(ctl_table *ctl, int write,
-                        struct file* filp, void __user *buffer,
+                        void __user *buffer,
                         size_t *lenp, loff_t *ppos);
 int ipv4_doint_and_flush_strategy(ctl_table *table,
                                  void __user *oldval, size_t __user *oldlenp,