[IPV6]: flowlabels are net-endian

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

11 files changed, 23 insertions, 23 deletions

diff --git a/include/linux/in6.h b/include/linux/in6.h
index f28621f638e0..4e8350ae8869 100644
--- a/include/linux/in6.h
+++ b/include/linux/in6.h
@@ -54,7 +54,7 @@ extern const struct in6_addr in6addr_loopback;
 struct sockaddr_in6 {
         unsigned short int      sin6_family;    /* AF_INET6 */
         __be16                  sin6_port;      /* Transport layer port # */
-        __u32                   sin6_flowinfo;  /* IPv6 flow information */
+        __be32                  sin6_flowinfo;  /* IPv6 flow information */
         struct in6_addr         sin6_addr;      /* IPv6 address */
         __u32                   sin6_scope_id;  /* scope id (new in RFC2553) */
 };
@@ -72,7 +72,7 @@ struct ipv6_mreq {
 struct in6_flowlabel_req
 {
         struct in6_addr flr_dst;
-        __u32   flr_label;
+        __be32  flr_label;
         __u8    flr_action;
         __u8    flr_share;
         __u16   flr_flags;
diff --git a/include/linux/ip6_tunnel.h b/include/linux/ip6_tunnel.h
index 5c23aeb104ca..af3f4a70f3df 100644
--- a/include/linux/ip6_tunnel.h
+++ b/include/linux/ip6_tunnel.h
@@ -25,7 +25,7 @@ struct ip6_tnl_parm {
         __u8 proto;             /* tunnel protocol */
         __u8 encap_limit;       /* encapsulation limit for tunnel */
         __u8 hop_limit;         /* hop limit for tunnel */
-        __u32 flowinfo;         /* traffic class and flowlabel for tunnel */
+        __be32 flowinfo;        /* traffic class and flowlabel for tunnel */
         __u32 flags;            /* tunnel flags */
         struct in6_addr laddr;  /* local tunnel end-point address */
         struct in6_addr raddr;  /* remote tunnel end-point address */
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 4f435c59de06..f8241130f5ea 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -274,7 +274,7 @@ struct ipv6_pinfo {
         struct in6_addr         *saddr_cache;
 #endif
 
-        __u32                   flow_label;
+        __be32                  flow_label;
         __u32                   frag_size;
         __s16                   hop_limit;
         __s16                   mcast_hops;
diff --git a/include/net/flow.h b/include/net/flow.h
index 5cda27cd9deb..270d4c1761af 100644
--- a/include/net/flow.h
+++ b/include/net/flow.h
@@ -27,7 +27,7 @@ struct flowi {
                         struct in6_addr         daddr;
                         struct in6_addr         saddr;
                         __u32                   fwmark;
-                        __u32                   flowlabel;
+                        __be32                  flowlabel;
                 } ip6_u;
 
                 struct {
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 4953fac1d070..0b8c9b990ac4 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -191,7 +191,7 @@ struct ipv6_txoptions
 struct ip6_flowlabel
 {
         struct ip6_flowlabel    *next;
-        u32                     label;
+        __be32                  label;
         struct in6_addr         dst;
         struct ipv6_txoptions   *opt;
         atomic_t                users;
@@ -211,7 +211,7 @@ struct ipv6_fl_socklist
         struct ip6_flowlabel    *fl;
 };
 
-extern struct ip6_flowlabel     *fl6_sock_lookup(struct sock *sk, u32 label);
+extern struct ip6_flowlabel     *fl6_sock_lookup(struct sock *sk, __be32 label);
 extern struct ipv6_txoptions    *fl6_merge_options(struct ipv6_txoptions * opt_space,
                                                    struct ip6_flowlabel * fl,
                                                    struct ipv6_txoptions * fopt);
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 858cae29581c..92bfccf62cb7 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -678,7 +678,7 @@ int ipv6_opt_accepted(struct sock *sk, struct sk_buff *skb)
         if (np->rxopt.all) {
                 if ((opt->hop && (np->rxopt.bits.hopopts ||
                                   np->rxopt.bits.ohopopts)) ||
-                    ((IPV6_FLOWINFO_MASK & *(u32*)skb->nh.raw) &&
+                    ((IPV6_FLOWINFO_MASK & *(__be32*)skb->nh.raw) &&
                      np->rxopt.bits.rxflow) ||
                     (opt->srcrt && (np->rxopt.bits.srcrt ||
                      np->rxopt.bits.osrcrt)) ||
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 7206747022fc..a67434af691f 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -318,7 +318,7 @@ int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len)
                         ipv6_addr_copy(&sin->sin6_addr,
                           (struct in6_addr *)(skb->nh.raw + serr->addr_offset));
                         if (np->sndflow)
-                                sin->sin6_flowinfo = *(u32*)(skb->nh.raw + serr->addr_offset - 24) & IPV6_FLOWINFO_MASK;
+                                sin->sin6_flowinfo = *(__be32*)(skb->nh.raw + serr->addr_offset - 24) & IPV6_FLOWINFO_MASK;
                         if (ipv6_addr_type(&sin->sin6_addr) & IPV6_ADDR_LINKLOCAL)
                                 sin->sin6_scope_id = IP6CB(skb)->iif;
                 } else {
@@ -401,8 +401,8 @@ int datagram_recv_ctl(struct sock *sk, struct msghdr *msg, struct sk_buff *skb)
                 put_cmsg(msg, SOL_IPV6, IPV6_TCLASS, sizeof(tclass), &tclass);
         }
 
-        if (np->rxopt.bits.rxflow && (*(u32*)skb->nh.raw & IPV6_FLOWINFO_MASK)) {
-                u32 flowinfo = *(u32*)skb->nh.raw & IPV6_FLOWINFO_MASK;
+        if (np->rxopt.bits.rxflow && (*(__be32*)skb->nh.raw & IPV6_FLOWINFO_MASK)) {
+                __be32 flowinfo = *(__be32*)skb->nh.raw & IPV6_FLOWINFO_MASK;
                 put_cmsg(msg, SOL_IPV6, IPV6_FLOWINFO, sizeof(flowinfo), &flowinfo);
         }
 
@@ -560,12 +560,12 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
                         }
 
                         if (fl->fl6_flowlabel&IPV6_FLOWINFO_MASK) {
-                                if ((fl->fl6_flowlabel^*(u32 *)CMSG_DATA(cmsg))&~IPV6_FLOWINFO_MASK) {
+                                if ((fl->fl6_flowlabel^*(__be32 *)CMSG_DATA(cmsg))&~IPV6_FLOWINFO_MASK) {
                                         err = -EINVAL;
                                         goto exit_f;
                                 }
                         }
-                        fl->fl6_flowlabel = IPV6_FLOWINFO_MASK & *(u32 *)CMSG_DATA(cmsg);
+                        fl->fl6_flowlabel = IPV6_FLOWINFO_MASK & *(__be32 *)CMSG_DATA(cmsg);
                         break;
 
                 case IPV6_2292HOPOPTS:
diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index 6d4533b58dca..624fae251f4e 100644
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -61,7 +61,7 @@ static DEFINE_RWLOCK(ip6_fl_lock);
 static DEFINE_RWLOCK(ip6_sk_fl_lock);
 
 
-static __inline__ struct ip6_flowlabel * __fl_lookup(u32 label)
+static __inline__ struct ip6_flowlabel * __fl_lookup(__be32 label)
 {
         struct ip6_flowlabel *fl;
 
@@ -72,7 +72,7 @@ static __inline__ struct ip6_flowlabel * __fl_lookup(u32 label)
         return NULL;
 }
 
-static struct ip6_flowlabel * fl_lookup(u32 label)
+static struct ip6_flowlabel * fl_lookup(__be32 label)
 {
         struct ip6_flowlabel *fl;
 
@@ -153,7 +153,7 @@ static void ip6_fl_gc(unsigned long dummy)
         write_unlock(&ip6_fl_lock);
 }
 
-static int fl_intern(struct ip6_flowlabel *fl, __u32 label)
+static int fl_intern(struct ip6_flowlabel *fl, __be32 label)
 {
         fl->label = label & IPV6_FLOWLABEL_MASK;
 
@@ -182,7 +182,7 @@ static int fl_intern(struct ip6_flowlabel *fl, __u32 label)
 
 /* Socket flowlabel lists */
 
-struct ip6_flowlabel * fl6_sock_lookup(struct sock *sk, u32 label)
+struct ip6_flowlabel * fl6_sock_lookup(struct sock *sk, __be32 label)
 {
         struct ipv6_fl_socklist *sfl;
         struct ipv6_pinfo *np = inet6_sk(sk);
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 66716911962e..9ff1be1bc2e7 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -217,7 +217,7 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
         if (tclass < 0)
                 tclass = 0;
 
-        *(u32 *)hdr = htonl(0x60000000 | (tclass << 20)) | fl->fl6_flowlabel;
+        *(__be32 *)hdr = htonl(0x60000000 | (tclass << 20)) | fl->fl6_flowlabel;
 
         hdr->payload_len = htons(seg_len);
         hdr->nexthdr = proto;
@@ -1311,7 +1311,7 @@ int ip6_push_pending_frames(struct sock *sk)
 
         skb->nh.ipv6h = hdr = (struct ipv6hdr*) skb_push(skb, sizeof(struct ipv6hdr));
         
-        *(u32*)hdr = fl->fl6_flowlabel |
+        *(__be32*)hdr = fl->fl6_flowlabel |
                      htonl(0x60000000 | ((int)np->cork.tclass << 20));
 
         if (skb->len <= sizeof(struct ipv6hdr) + IPV6_MAXPLEN)
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 6a3026dd865a..4919f9294e2a 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -665,9 +665,9 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
 
         dsfield = ipv6_get_dsfield(ipv6h);
         if ((t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS))
-                fl.fl6_flowlabel |= (*(__u32 *) ipv6h & IPV6_TCLASS_MASK);
+                fl.fl6_flowlabel |= (*(__be32 *) ipv6h & IPV6_TCLASS_MASK);
         if ((t->parms.flags & IP6_TNL_F_USE_ORIG_FLOWLABEL))
-                fl.fl6_flowlabel |= (*(__u32 *) ipv6h & IPV6_FLOWLABEL_MASK);
+                fl.fl6_flowlabel |= (*(__be32 *) ipv6h & IPV6_FLOWLABEL_MASK);
 
         if (encap_limit >= 0 && (opt = create_tel(encap_limit)) == NULL)
                 goto tx_err;
@@ -735,7 +735,7 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
 
         skb->nh.raw = skb_push(skb, sizeof(struct ipv6hdr));
         ipv6h = skb->nh.ipv6h;
-        *(u32*)ipv6h = fl.fl6_flowlabel | htonl(0x60000000);
+        *(__be32*)ipv6h = fl.fl6_flowlabel | htonl(0x60000000);
         dsfield = INET_ECN_encapsulate(0, dsfield);
         ipv6_change_dsfield(ipv6h, ~INET_ECN_MASK, dsfield);
         ipv6h->payload_len = htons(skb->len - sizeof(struct ipv6hdr));
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index b39ae99122d5..e9c1fc5f21b1 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -714,7 +714,7 @@ void ip6_route_input(struct sk_buff *skb)
 #ifdef CONFIG_IPV6_ROUTE_FWMARK
                                 .fwmark = skb->nfmark,
 #endif
-                                .flowlabel = (* (u32 *) iph)&IPV6_FLOWINFO_MASK,
+                                .flowlabel = (* (__be32 *) iph)&IPV6_FLOWINFO_MASK,
                         },
                 },
                 .proto = iph->nexthdr,