1 files changed, 66 insertions, 18 deletions

diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 551ce564b035..6a1100c25a9f 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -355,6 +355,8 @@ lookup_protocol:
         inet = inet_sk(sk);
         inet->is_icsk = (INET_PROTOSW_ICSK & answer_flags) != 0;
 
+        inet->nodefrag = 0;
+
         if (SOCK_RAW == sock->type) {
                 inet->inet_num = protocol;
                 if (IPPROTO_RAW == protocol)
@@ -725,28 +727,31 @@ int inet_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
         sock_rps_record_flow(sk);
 
         /* We may need to bind the socket. */
-        if (!inet_sk(sk)->inet_num && inet_autobind(sk))
+        if (!inet_sk(sk)->inet_num && !sk->sk_prot->no_autobind &&
+            inet_autobind(sk))
                 return -EAGAIN;
 
         return sk->sk_prot->sendmsg(iocb, sk, msg, size);
 }
 EXPORT_SYMBOL(inet_sendmsg);
 
-static ssize_t inet_sendpage(struct socket *sock, struct page *page, int offset,
-                             size_t size, int flags)
+ssize_t inet_sendpage(struct socket *sock, struct page *page, int offset,
+                      size_t size, int flags)
 {
         struct sock *sk = sock->sk;
 
         sock_rps_record_flow(sk);
 
         /* We may need to bind the socket. */
-        if (!inet_sk(sk)->inet_num && inet_autobind(sk))
+        if (!inet_sk(sk)->inet_num && !sk->sk_prot->no_autobind &&
+            inet_autobind(sk))
                 return -EAGAIN;
 
         if (sk->sk_prot->sendpage)
                 return sk->sk_prot->sendpage(sk, page, offset, size, flags);
         return sock_no_sendpage(sock, page, offset, size, flags);
 }
+EXPORT_SYMBOL(inet_sendpage);
 
 int inet_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
                  size_t size, int flags)
@@ -892,10 +897,10 @@ const struct proto_ops inet_stream_ops = {
         .shutdown          = inet_shutdown,
         .setsockopt        = sock_common_setsockopt,
         .getsockopt        = sock_common_getsockopt,
-        .sendmsg           = tcp_sendmsg,
+        .sendmsg           = inet_sendmsg,
         .recvmsg           = inet_recvmsg,
         .mmap              = sock_no_mmap,
-        .sendpage          = tcp_sendpage,
+        .sendpage          = inet_sendpage,
         .splice_read       = tcp_splice_read,
 #ifdef CONFIG_COMPAT
         .compat_setsockopt = compat_sock_common_setsockopt,
@@ -1100,7 +1105,7 @@ static int inet_sk_reselect_saddr(struct sock *sk)
         if (err)
                 return err;
 
-        sk_setup_caps(sk, &rt->u.dst);
+        sk_setup_caps(sk, &rt->dst);
 
         new_saddr = rt->rt_src;
 
@@ -1166,7 +1171,7 @@ int inet_sk_rebuild_header(struct sock *sk)
         err = ip_route_output_flow(sock_net(sk), &rt, &fl, sk, 0);
 }
         if (!err)
-                sk_setup_caps(sk, &rt->u.dst);
+                sk_setup_caps(sk, &rt->dst);
         else {
                 /* Routing failed... */
                 sk->sk_route_caps = 0;
@@ -1425,13 +1430,49 @@ unsigned long snmp_fold_field(void __percpu *mib[], int offt)
 }
 EXPORT_SYMBOL_GPL(snmp_fold_field);
 
-int snmp_mib_init(void __percpu *ptr[2], size_t mibsize)
+#if BITS_PER_LONG==32
+
+u64 snmp_fold_field64(void __percpu *mib[], int offt, size_t syncp_offset)
+{
+        u64 res = 0;
+        int cpu;
+
+        for_each_possible_cpu(cpu) {
+                void *bhptr, *userptr;
+                struct u64_stats_sync *syncp;
+                u64 v_bh, v_user;
+                unsigned int start;
+
+                /* first mib used by softirq context, we must use _bh() accessors */
+                bhptr = per_cpu_ptr(SNMP_STAT_BHPTR(mib), cpu);
+                syncp = (struct u64_stats_sync *)(bhptr + syncp_offset);
+                do {
+                        start = u64_stats_fetch_begin_bh(syncp);
+                        v_bh = *(((u64 *) bhptr) + offt);
+                } while (u64_stats_fetch_retry_bh(syncp, start));
+
+                /* second mib used in USER context */
+                userptr = per_cpu_ptr(SNMP_STAT_USRPTR(mib), cpu);
+                syncp = (struct u64_stats_sync *)(userptr + syncp_offset);
+                do {
+                        start = u64_stats_fetch_begin(syncp);
+                        v_user = *(((u64 *) userptr) + offt);
+                } while (u64_stats_fetch_retry(syncp, start));
+
+                res += v_bh + v_user;
+        }
+        return res;
+}
+EXPORT_SYMBOL_GPL(snmp_fold_field64);
+#endif
+
+int snmp_mib_init(void __percpu *ptr[2], size_t mibsize, size_t align)
 {
         BUG_ON(ptr == NULL);
-        ptr[0] = __alloc_percpu(mibsize, __alignof__(unsigned long));
+        ptr[0] = __alloc_percpu(mibsize, align);
         if (!ptr[0])
                 goto err0;
-        ptr[1] = __alloc_percpu(mibsize, __alignof__(unsigned long));
+        ptr[1] = __alloc_percpu(mibsize, align);
         if (!ptr[1])
                 goto err1;
         return 0;
@@ -1488,25 +1529,32 @@ static const struct net_protocol icmp_protocol = {
 static __net_init int ipv4_mib_init_net(struct net *net)
 {
         if (snmp_mib_init((void __percpu **)net->mib.tcp_statistics,
-                          sizeof(struct tcp_mib)) < 0)
+                          sizeof(struct tcp_mib),
+                          __alignof__(struct tcp_mib)) < 0)
                 goto err_tcp_mib;
         if (snmp_mib_init((void __percpu **)net->mib.ip_statistics,
-                          sizeof(struct ipstats_mib)) < 0)
+                          sizeof(struct ipstats_mib),
+                          __alignof__(struct ipstats_mib)) < 0)
                 goto err_ip_mib;
         if (snmp_mib_init((void __percpu **)net->mib.net_statistics,
-                          sizeof(struct linux_mib)) < 0)
+                          sizeof(struct linux_mib),
+                          __alignof__(struct linux_mib)) < 0)
                 goto err_net_mib;
         if (snmp_mib_init((void __percpu **)net->mib.udp_statistics,
-                          sizeof(struct udp_mib)) < 0)
+                          sizeof(struct udp_mib),
+                          __alignof__(struct udp_mib)) < 0)
                 goto err_udp_mib;
         if (snmp_mib_init((void __percpu **)net->mib.udplite_statistics,
-                          sizeof(struct udp_mib)) < 0)
+                          sizeof(struct udp_mib),
+                          __alignof__(struct udp_mib)) < 0)
                 goto err_udplite_mib;
         if (snmp_mib_init((void __percpu **)net->mib.icmp_statistics,
-                          sizeof(struct icmp_mib)) < 0)
+                          sizeof(struct icmp_mib),
+                          __alignof__(struct icmp_mib)) < 0)
                 goto err_icmp_mib;
         if (snmp_mib_init((void __percpu **)net->mib.icmpmsg_statistics,
-                          sizeof(struct icmpmsg_mib)) < 0)
+                          sizeof(struct icmpmsg_mib),
+                          __alignof__(struct icmpmsg_mib)) < 0)
                 goto err_icmpmsg_mib;
 
         tcp_mib_init(net);