[NETFILTER]: nf_conntrack: endian annotations

Resync with Al Viro's ip_conntrack annotations and fix a missed
spot in ip_nat_proto_icmp.c.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

11 files changed, 58 insertions, 65 deletions

diff --git a/include/net/netfilter/nf_conntrack_tuple.h b/include/net/netfilter/nf_conntrack_tuple.h
index 530ef1f75283..be9dc9a0eb77 100644
--- a/include/net/netfilter/nf_conntrack_tuple.h
+++ b/include/net/netfilter/nf_conntrack_tuple.h
@@ -26,8 +26,8 @@
    network order! */
 union nf_conntrack_man_l3proto {
         u_int32_t all[NF_CT_TUPLE_L3SIZE];
-        u_int32_t ip;
-        u_int32_t ip6[4];
+        __be32 ip;
+        __be32 ip6[4];
 };
 
 /* The protocol-specific manipulable parts of the tuple: always in
@@ -38,16 +38,16 @@ union nf_conntrack_man_proto
         u_int16_t all;
 
         struct {
-                u_int16_t port;
+                __be16 port;
         } tcp;
         struct {
-                u_int16_t port;
+                __be16 port;
         } udp;
         struct {
-                u_int16_t id;
+                __be16 id;
         } icmp;
         struct {
-                u_int16_t port;
+                __be16 port;
         } sctp;
 };
 
@@ -77,16 +77,16 @@ struct nf_conntrack_tuple
                         u_int16_t all;
 
                         struct {
-                                u_int16_t port;
+                                __be16 port;
                         } tcp;
                         struct {
-                                u_int16_t port;
+                                __be16 port;
                         } udp;
                         struct {
                                 u_int8_t type, code;
                         } icmp;
                         struct {
-                                u_int16_t port;
+                                __be16 port;
                         } sctp;
                 } u;
 
diff --git a/net/ipv4/netfilter/ip_nat_proto_icmp.c b/net/ipv4/netfilter/ip_nat_proto_icmp.c
index 75266fe3e0fa..fb716edd5bc6 100644
--- a/net/ipv4/netfilter/ip_nat_proto_icmp.c
+++ b/net/ipv4/netfilter/ip_nat_proto_icmp.c
@@ -24,8 +24,8 @@ icmp_in_range(const struct ip_conntrack_tuple *tuple,
               const union ip_conntrack_manip_proto *min,
               const union ip_conntrack_manip_proto *max)
 {
-        return (tuple->src.u.icmp.id >= min->icmp.id
-                && tuple->src.u.icmp.id <= max->icmp.id);
+        return ntohs(tuple->src.u.icmp.id) >= ntohs(min->icmp.id) &&
+               ntohs(tuple->src.u.icmp.id) <= ntohs(max->icmp.id);
 }
 
 static int
diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
index f24e872d4b90..2b73e3edd94d 100644
--- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
+++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
@@ -41,7 +41,7 @@
 static int ipv4_pkt_to_tuple(const struct sk_buff *skb, unsigned int nhoff,
                              struct nf_conntrack_tuple *tuple)
 {
-        u_int32_t _addrs[2], *ap;
+        __be32 _addrs[2], *ap;
         ap = skb_header_pointer(skb, nhoff + offsetof(struct iphdr, saddr),
                                 sizeof(u_int32_t) * 2, _addrs);
         if (ap == NULL)
@@ -410,10 +410,8 @@ static int ipv4_nfattr_to_tuple(struct nfattr *tb[],
         if (nfattr_bad_size(tb, CTA_IP_MAX, cta_min_ip))
                 return -EINVAL;
 
-        t->src.u3.ip =
-                *(u_int32_t *)NFA_DATA(tb[CTA_IP_V4_SRC-1]);
-        t->dst.u3.ip =
-                *(u_int32_t *)NFA_DATA(tb[CTA_IP_V4_DST-1]);
+        t->src.u3.ip = *(__be32 *)NFA_DATA(tb[CTA_IP_V4_SRC-1]);
+        t->dst.u3.ip = *(__be32 *)NFA_DATA(tb[CTA_IP_V4_DST-1]);
 
         return 0;
 }
diff --git a/net/ipv4/netfilter/nf_conntrack_proto_icmp.c b/net/ipv4/netfilter/nf_conntrack_proto_icmp.c
index 46aa44abc078..d25002fb8176 100644
--- a/net/ipv4/netfilter/nf_conntrack_proto_icmp.c
+++ b/net/ipv4/netfilter/nf_conntrack_proto_icmp.c
@@ -311,7 +311,7 @@ static int icmp_nfattr_to_tuple(struct nfattr *tb[],
         tuple->dst.u.icmp.code =
                         *(u_int8_t *)NFA_DATA(tb[CTA_PROTO_ICMP_CODE-1]);
         tuple->src.u.icmp.id =
-                        *(u_int16_t *)NFA_DATA(tb[CTA_PROTO_ICMP_ID-1]);
+                        *(__be16 *)NFA_DATA(tb[CTA_PROTO_ICMP_ID-1]);
 
         if (tuple->dst.u.icmp.type >= sizeof(invmap)
             || !invmap[tuple->dst.u.icmp.type])
diff --git a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
index 1e8e700f6135..3905cacc69af 100644
--- a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
@@ -287,7 +287,7 @@ static int icmpv6_nfattr_to_tuple(struct nfattr *tb[],
         tuple->dst.u.icmp.code =
                         *(u_int8_t *)NFA_DATA(tb[CTA_PROTO_ICMPV6_CODE-1]);
         tuple->src.u.icmp.id =
-                        *(u_int16_t *)NFA_DATA(tb[CTA_PROTO_ICMPV6_ID-1]);
+                        *(__be16 *)NFA_DATA(tb[CTA_PROTO_ICMPV6_ID-1]);
 
         if (tuple->dst.u.icmp.type < 128
             || tuple->dst.u.icmp.type - 128 >= sizeof(invmap)
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index bf93c1ea6be9..37e5fca923aa 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -72,7 +72,7 @@ struct nf_ct_frag6_queue
         struct hlist_node       list;
         struct list_head        lru_list;       /* lru list member      */
 
-        __u32                   id;             /* fragment id          */
+        __be32                  id;             /* fragment id          */
         struct in6_addr         saddr;
         struct in6_addr         daddr;
 
@@ -115,28 +115,28 @@ static __inline__ void fq_unlink(struct nf_ct_frag6_queue *fq)
         write_unlock(&nf_ct_frag6_lock);
 }
 
-static unsigned int ip6qhashfn(u32 id, struct in6_addr *saddr,
+static unsigned int ip6qhashfn(__be32 id, struct in6_addr *saddr,
                                struct in6_addr *daddr)
 {
         u32 a, b, c;
 
-        a = saddr->s6_addr32[0];
-        b = saddr->s6_addr32[1];
-        c = saddr->s6_addr32[2];
+        a = (__force u32)saddr->s6_addr32[0];
+        b = (__force u32)saddr->s6_addr32[1];
+        c = (__force u32)saddr->s6_addr32[2];
 
         a += JHASH_GOLDEN_RATIO;
         b += JHASH_GOLDEN_RATIO;
         c += nf_ct_frag6_hash_rnd;
         __jhash_mix(a, b, c);
 
-        a += saddr->s6_addr32[3];
-        b += daddr->s6_addr32[0];
-        c += daddr->s6_addr32[1];
+        a += (__force u32)saddr->s6_addr32[3];
+        b += (__force u32)daddr->s6_addr32[0];
+        c += (__force u32)daddr->s6_addr32[1];
         __jhash_mix(a, b, c);
 
-        a += daddr->s6_addr32[2];
-        b += daddr->s6_addr32[3];
-        c += id;
+        a += (__force u32)daddr->s6_addr32[2];
+        b += (__force u32)daddr->s6_addr32[3];
+        c += (__force u32)id;
         __jhash_mix(a, b, c);
 
         return c & (FRAG6Q_HASHSZ - 1);
@@ -338,7 +338,7 @@ static struct nf_ct_frag6_queue *nf_ct_frag6_intern(unsigned int hash,
 
 
 static struct nf_ct_frag6_queue *
-nf_ct_frag6_create(unsigned int hash, u32 id, struct in6_addr *src,                                struct in6_addr *dst)
+nf_ct_frag6_create(unsigned int hash, __be32 id, struct in6_addr *src,                             struct in6_addr *dst)
 {
         struct nf_ct_frag6_queue *fq;
 
@@ -366,7 +366,7 @@ oom:
 }
 
 static __inline__ struct nf_ct_frag6_queue *
-fq_find(u32 id, struct in6_addr *src, struct in6_addr *dst)
+fq_find(__be32 id, struct in6_addr *src, struct in6_addr *dst)
 {
         struct nf_ct_frag6_queue *fq;
         struct hlist_node *n;
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index a6728067780a..a401b1e31028 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -936,10 +936,8 @@ int nf_ct_port_nfattr_to_tuple(struct nfattr *tb[],
         if (nfattr_bad_size(tb, CTA_PROTO_MAX, cta_min_proto))
                 return -EINVAL;
 
-        t->src.u.tcp.port =
-                *(u_int16_t *)NFA_DATA(tb[CTA_PROTO_SRC_PORT-1]);
-        t->dst.u.tcp.port =
-                *(u_int16_t *)NFA_DATA(tb[CTA_PROTO_DST_PORT-1]);
+        t->src.u.tcp.port = *(__be16 *)NFA_DATA(tb[CTA_PROTO_SRC_PORT-1]);
+        t->dst.u.tcp.port = *(__be16 *)NFA_DATA(tb[CTA_PROTO_DST_PORT-1]);
 
         return 0;
 }
diff --git a/net/netfilter/nf_conntrack_ftp.c b/net/netfilter/nf_conntrack_ftp.c
index 2d2350152b90..fdac52beeb8c 100644
--- a/net/netfilter/nf_conntrack_ftp.c
+++ b/net/netfilter/nf_conntrack_ftp.c
@@ -173,7 +173,7 @@ static int try_rfc959(const char *data, size_t dlen,
 
 /* Grab port: number up to delimiter */
 static int get_port(const char *data, int start, size_t dlen, char delim,
-                    u_int16_t *port)
+                    __be16 *port)
 {
         u_int16_t tmp_port = 0;
         int i;
@@ -502,12 +502,12 @@ static int help(struct sk_buff **pskb,
                                .u = { .tcp = { 0 }},
                              },
                       .dst = { .protonum = 0xFF,
-                               .u = { .tcp = { 0xFFFF }},
+                               .u = { .tcp = { __constant_htons(0xFFFF) }},
                              },
                     };
         if (cmd.l3num == PF_INET) {
-                exp->mask.src.u3.ip = 0xFFFFFFFF;
-                exp->mask.dst.u3.ip = 0xFFFFFFFF;
+                exp->mask.src.u3.ip = htonl(0xFFFFFFFF);
+                exp->mask.dst.u3.ip = htonl(0xFFFFFFFF);
         } else {
                 memset(exp->mask.src.u3.ip6, 0xFF,
                        sizeof(exp->mask.src.u3.ip6));
@@ -588,7 +588,7 @@ static int __init nf_conntrack_ftp_init(void)
                         ftp[i][j].tuple.src.u.tcp.port = htons(ports[i]);
                         ftp[i][j].tuple.dst.protonum = IPPROTO_TCP;
                         ftp[i][j].mask.src.l3num = 0xFFFF;
-                        ftp[i][j].mask.src.u.tcp.port = 0xFFFF;
+                        ftp[i][j].mask.src.u.tcp.port = htons(0xFFFF);
                         ftp[i][j].mask.dst.protonum = 0xFF;
                         ftp[i][j].max_expected = 1;
                         ftp[i][j].timeout = 5 * 60;     /* 5 Minutes */
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index e3a720472123..a693d3bd4c11 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -113,7 +113,7 @@ ctnetlink_dump_tuples(struct sk_buff *skb,
 static inline int
 ctnetlink_dump_status(struct sk_buff *skb, const struct nf_conn *ct)
 {
-        u_int32_t status = htonl((u_int32_t) ct->status);
+        __be32 status = htonl((u_int32_t) ct->status);
         NFA_PUT(skb, CTA_STATUS, sizeof(status), &status);
         return 0;
 
@@ -125,7 +125,7 @@ static inline int
 ctnetlink_dump_timeout(struct sk_buff *skb, const struct nf_conn *ct)
 {
         long timeout_l = ct->timeout.expires - jiffies;
-        u_int32_t timeout;
+        __be32 timeout;
 
         if (timeout_l < 0)
                 timeout = 0;
@@ -196,7 +196,7 @@ ctnetlink_dump_counters(struct sk_buff *skb, const struct nf_conn *ct,
 {
         enum ctattr_type type = dir ? CTA_COUNTERS_REPLY: CTA_COUNTERS_ORIG;
         struct nfattr *nest_count = NFA_NEST(skb, type);
-        u_int32_t tmp;
+        __be32 tmp;
 
         tmp = htonl(ct->counters[dir].packets);
         NFA_PUT(skb, CTA_COUNTERS32_PACKETS, sizeof(u_int32_t), &tmp);
@@ -219,7 +219,7 @@ nfattr_failure:
 static inline int
 ctnetlink_dump_mark(struct sk_buff *skb, const struct nf_conn *ct)
 {
-        u_int32_t mark = htonl(ct->mark);
+        __be32 mark = htonl(ct->mark);
 
         NFA_PUT(skb, CTA_MARK, sizeof(u_int32_t), &mark);
         return 0;
@@ -234,7 +234,7 @@ nfattr_failure:
 static inline int
 ctnetlink_dump_id(struct sk_buff *skb, const struct nf_conn *ct)
 {
-        u_int32_t id = htonl(ct->id);
+        __be32 id = htonl(ct->id);
         NFA_PUT(skb, CTA_ID, sizeof(u_int32_t), &id);
         return 0;
 
@@ -245,7 +245,7 @@ nfattr_failure:
 static inline int
 ctnetlink_dump_use(struct sk_buff *skb, const struct nf_conn *ct)
 {
-        u_int32_t use = htonl(atomic_read(&ct->ct_general.use));
+        __be32 use = htonl(atomic_read(&ct->ct_general.use));
         
         NFA_PUT(skb, CTA_USE, sizeof(u_int32_t), &use);
         return 0;
@@ -610,12 +610,12 @@ ctnetlink_parse_nat(struct nfattr *nat,
                 return -EINVAL;
 
         if (tb[CTA_NAT_MINIP-1])
-                range->min_ip = *(u_int32_t *)NFA_DATA(tb[CTA_NAT_MINIP-1]);
+                range->min_ip = *(__be32 *)NFA_DATA(tb[CTA_NAT_MINIP-1]);
 
         if (!tb[CTA_NAT_MAXIP-1])
                 range->max_ip = range->min_ip;
         else
-                range->max_ip = *(u_int32_t *)NFA_DATA(tb[CTA_NAT_MAXIP-1]);
+                range->max_ip = *(__be32 *)NFA_DATA(tb[CTA_NAT_MAXIP-1]);
 
         if (range->min_ip)
                 range->flags |= IP_NAT_RANGE_MAP_IPS;
@@ -688,7 +688,7 @@ ctnetlink_del_conntrack(struct sock *ctnl, struct sk_buff *skb,
         ct = nf_ct_tuplehash_to_ctrack(h);
         
         if (cda[CTA_ID-1]) {
-                u_int32_t id = ntohl(*(u_int32_t *)NFA_DATA(cda[CTA_ID-1]));
+                u_int32_t id = ntohl(*(__be32 *)NFA_DATA(cda[CTA_ID-1]));
                 if (ct->id != id) {
                         nf_ct_put(ct);
                         return -ENOENT;
@@ -781,7 +781,7 @@ static inline int
 ctnetlink_change_status(struct nf_conn *ct, struct nfattr *cda[])
 {
         unsigned long d;
-        unsigned status = ntohl(*(u_int32_t *)NFA_DATA(cda[CTA_STATUS-1]));
+        unsigned int status = ntohl(*(__be32 *)NFA_DATA(cda[CTA_STATUS-1]));
         d = ct->status ^ status;
 
         if (d & (IPS_EXPECTED|IPS_CONFIRMED|IPS_DYING))
@@ -880,7 +880,7 @@ ctnetlink_change_helper(struct nf_conn *ct, struct nfattr *cda[])
 static inline int
 ctnetlink_change_timeout(struct nf_conn *ct, struct nfattr *cda[])
 {
-        u_int32_t timeout = ntohl(*(u_int32_t *)NFA_DATA(cda[CTA_TIMEOUT-1]));
+        u_int32_t timeout = ntohl(*(__be32 *)NFA_DATA(cda[CTA_TIMEOUT-1]));
         
         if (!del_timer(&ct->timeout))
                 return -ETIME;
@@ -942,7 +942,7 @@ ctnetlink_change_conntrack(struct nf_conn *ct, struct nfattr *cda[])
 
 #if defined(CONFIG_NF_CONNTRACK_MARK)
         if (cda[CTA_MARK-1])
-                ct->mark = ntohl(*(u_int32_t *)NFA_DATA(cda[CTA_MARK-1]));
+                ct->mark = ntohl(*(__be32 *)NFA_DATA(cda[CTA_MARK-1]));
 #endif
 
         return 0;
@@ -963,7 +963,7 @@ ctnetlink_create_conntrack(struct nfattr *cda[],
 
         if (!cda[CTA_TIMEOUT-1])
                 goto err;
-        ct->timeout.expires = ntohl(*(u_int32_t *)NFA_DATA(cda[CTA_TIMEOUT-1]));
+        ct->timeout.expires = ntohl(*(__be32 *)NFA_DATA(cda[CTA_TIMEOUT-1]));
 
         ct->timeout.expires = jiffies + ct->timeout.expires * HZ;
         ct->status |= IPS_CONFIRMED;
@@ -982,7 +982,7 @@ ctnetlink_create_conntrack(struct nfattr *cda[],
 
 #if defined(CONFIG_NF_CONNTRACK_MARK)
         if (cda[CTA_MARK-1])
-                ct->mark = ntohl(*(u_int32_t *)NFA_DATA(cda[CTA_MARK-1]));
+                ct->mark = ntohl(*(__be32 *)NFA_DATA(cda[CTA_MARK-1]));
 #endif
 
         help = nfct_help(ct);
@@ -1117,8 +1117,8 @@ ctnetlink_exp_dump_expect(struct sk_buff *skb,
                           const struct nf_conntrack_expect *exp)
 {
         struct nf_conn *master = exp->master;
-        u_int32_t timeout = htonl((exp->timeout.expires - jiffies) / HZ);
-        u_int32_t id = htonl(exp->id);
+        __be32 timeout = htonl((exp->timeout.expires - jiffies) / HZ);
+        __be32 id = htonl(exp->id);
 
         if (ctnetlink_exp_dump_tuple(skb, &exp->tuple, CTA_EXPECT_TUPLE) < 0)
                 goto nfattr_failure;
@@ -1296,7 +1296,7 @@ ctnetlink_get_expect(struct sock *ctnl, struct sk_buff *skb,
                 return -ENOENT;
 
         if (cda[CTA_EXPECT_ID-1]) {
-                u_int32_t id = *(u_int32_t *)NFA_DATA(cda[CTA_EXPECT_ID-1]);
+                __be32 id = *(__be32 *)NFA_DATA(cda[CTA_EXPECT_ID-1]);
                 if (exp->id != ntohl(id)) {
                         nf_conntrack_expect_put(exp);
                         return -ENOENT;
@@ -1351,8 +1351,7 @@ ctnetlink_del_expect(struct sock *ctnl, struct sk_buff *skb,
                         return -ENOENT;
 
                 if (cda[CTA_EXPECT_ID-1]) {
-                        u_int32_t id = 
-                                *(u_int32_t *)NFA_DATA(cda[CTA_EXPECT_ID-1]);
+                        __be32 id = *(__be32 *)NFA_DATA(cda[CTA_EXPECT_ID-1]);
                         if (exp->id != ntohl(id)) {
                                 nf_conntrack_expect_put(exp);
                                 return -ENOENT;
diff --git a/net/netfilter/nf_conntrack_proto_sctp.c b/net/netfilter/nf_conntrack_proto_sctp.c
index 7c64b9c1cf4a..02b9323e18b7 100644
--- a/net/netfilter/nf_conntrack_proto_sctp.c
+++ b/net/netfilter/nf_conntrack_proto_sctp.c
@@ -217,7 +217,7 @@ static int sctp_print_conntrack(struct seq_file *s,
 for (offset = dataoff + sizeof(sctp_sctphdr_t), count = 0;              \
         offset < skb->len &&                                            \
         (sch = skb_header_pointer(skb, offset, sizeof(_sch), &_sch));   \
-        offset += (htons(sch->length) + 3) & ~3, count++)
+        offset += (ntohs(sch->length) + 3) & ~3, count++)
 
 /* Some validity checks to make sure the chunks are fine */
 static int do_basic_checks(struct nf_conn *conntrack,
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index d99c7c4176d4..71f492fc6413 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -474,8 +474,8 @@ static void tcp_sack(const struct sk_buff *skb, unsigned int dataoff,
 
         /* Fast path for timestamp-only option */
         if (length == TCPOLEN_TSTAMP_ALIGNED*4
-            && *(__u32 *)ptr ==
-                __constant_ntohl((TCPOPT_NOP << 24) 
+            && *(__be32 *)ptr ==
+                __constant_htonl((TCPOPT_NOP << 24)
                                  | (TCPOPT_NOP << 16)
                                  | (TCPOPT_TIMESTAMP << 8)
                                  | TCPOLEN_TIMESTAMP))
@@ -506,9 +506,7 @@ static void tcp_sack(const struct sk_buff *skb, unsigned int dataoff,
                                 for (i = 0;
                                      i < (opsize - TCPOLEN_SACK_BASE);
                                      i += TCPOLEN_SACK_PERBLOCK) {
-                                        memcpy(&tmp, (__u32 *)(ptr + i) + 1,
-                                               sizeof(__u32));
-                                        tmp = ntohl(tmp);
+                                        tmp = ntohl(*((__be32 *)(ptr+i)+1));
 
                                         if (after(tmp, *sack))
                                                 *sack = tmp;