[IPV4] net/ipv4: Use ipv4_is_<type>
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
21cf2253eb
commit
f97c1e0c6e
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@ -777,7 +777,7 @@ static int arp_process(struct sk_buff *skb)
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* Check for bad requests for 127.x.x.x and requests for multicast
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* addresses. If this is one such, delete it.
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*/
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if (LOOPBACK(tip) || MULTICAST(tip))
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if (ipv4_is_loopback(tip) || ipv4_is_multicast(tip))
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goto out;
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/*
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@ -40,7 +40,7 @@ int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
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oif = sk->sk_bound_dev_if;
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saddr = inet->saddr;
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if (MULTICAST(usin->sin_addr.s_addr)) {
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if (ipv4_is_multicast(usin->sin_addr.s_addr)) {
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if (!oif)
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oif = inet->mc_index;
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if (!saddr)
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@ -404,7 +404,7 @@ static int inet_set_ifa(struct net_device *dev, struct in_ifaddr *ifa)
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in_dev_hold(in_dev);
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ifa->ifa_dev = in_dev;
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}
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if (LOOPBACK(ifa->ifa_local))
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if (ipv4_is_loopback(ifa->ifa_local))
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ifa->ifa_scope = RT_SCOPE_HOST;
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return inet_insert_ifa(ifa);
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}
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@ -583,7 +583,7 @@ static __inline__ int inet_abc_len(__be32 addr)
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{
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int rc = -1; /* Something else, probably a multicast. */
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if (ZERONET(addr))
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if (ipv4_is_zeronet(addr))
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rc = 0;
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else {
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__u32 haddr = ntohl(addr);
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@ -167,9 +167,9 @@ static inline unsigned __inet_dev_addr_type(const struct net_device *dev,
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unsigned ret = RTN_BROADCAST;
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struct fib_table *local_table;
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if (ZERONET(addr) || BADCLASS(addr))
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if (ipv4_is_zeronet(addr) || ipv4_is_badclass(addr))
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return RTN_BROADCAST;
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if (MULTICAST(addr))
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if (ipv4_is_multicast(addr))
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return RTN_MULTICAST;
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#ifdef CONFIG_IP_MULTIPLE_TABLES
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@ -710,7 +710,7 @@ void fib_add_ifaddr(struct in_ifaddr *ifa)
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if (ifa->ifa_broadcast && ifa->ifa_broadcast != htonl(0xFFFFFFFF))
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fib_magic(RTM_NEWROUTE, RTN_BROADCAST, ifa->ifa_broadcast, 32, prim);
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if (!ZERONET(prefix) && !(ifa->ifa_flags&IFA_F_SECONDARY) &&
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if (!ipv4_is_zeronet(prefix) && !(ifa->ifa_flags&IFA_F_SECONDARY) &&
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(prefix != addr || ifa->ifa_prefixlen < 32)) {
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fib_magic(RTM_NEWROUTE, dev->flags&IFF_LOOPBACK ? RTN_LOCAL :
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RTN_UNICAST, prefix, ifa->ifa_prefixlen, prim);
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@ -1742,7 +1742,7 @@ int ip_mc_join_group(struct sock *sk , struct ip_mreqn *imr)
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int ifindex;
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int count = 0;
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if (!MULTICAST(addr))
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if (!ipv4_is_multicast(addr))
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return -EINVAL;
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rtnl_lock();
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@ -1855,7 +1855,7 @@ int ip_mc_source(int add, int omode, struct sock *sk, struct
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int leavegroup = 0;
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int i, j, rv;
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if (!MULTICAST(addr))
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if (!ipv4_is_multicast(addr))
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return -EINVAL;
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rtnl_lock();
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@ -1985,7 +1985,7 @@ int ip_mc_msfilter(struct sock *sk, struct ip_msfilter *msf, int ifindex)
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struct ip_sf_socklist *newpsl, *psl;
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int leavegroup = 0;
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if (!MULTICAST(addr))
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if (!ipv4_is_multicast(addr))
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return -EINVAL;
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if (msf->imsf_fmode != MCAST_INCLUDE &&
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msf->imsf_fmode != MCAST_EXCLUDE)
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@ -2068,7 +2068,7 @@ int ip_mc_msfget(struct sock *sk, struct ip_msfilter *msf,
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struct inet_sock *inet = inet_sk(sk);
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struct ip_sf_socklist *psl;
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if (!MULTICAST(addr))
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if (!ipv4_is_multicast(addr))
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return -EINVAL;
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rtnl_lock();
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@ -2130,7 +2130,7 @@ int ip_mc_gsfget(struct sock *sk, struct group_filter *gsf,
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if (psin->sin_family != AF_INET)
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return -EINVAL;
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addr = psin->sin_addr.s_addr;
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if (!MULTICAST(addr))
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if (!ipv4_is_multicast(addr))
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return -EINVAL;
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rtnl_lock();
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@ -2180,7 +2180,7 @@ int ip_mc_sf_allow(struct sock *sk, __be32 loc_addr, __be32 rmt_addr, int dif)
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struct ip_sf_socklist *psl;
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int i;
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if (!MULTICAST(loc_addr))
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if (!ipv4_is_multicast(loc_addr))
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return 1;
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for (pmc=inet->mc_list; pmc; pmc=pmc->next) {
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@ -176,7 +176,8 @@ static struct ip_tunnel * ipgre_tunnel_lookup(__be32 remote, __be32 local, __be3
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}
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for (t = tunnels_l[h1]; t; t = t->next) {
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if (local == t->parms.iph.saddr ||
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(local == t->parms.iph.daddr && MULTICAST(local))) {
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(local == t->parms.iph.daddr &&
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ipv4_is_multicast(local))) {
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if (t->parms.i_key == key && (t->dev->flags&IFF_UP))
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return t;
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}
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@ -201,7 +202,7 @@ static struct ip_tunnel **__ipgre_bucket(struct ip_tunnel_parm *parms)
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if (local)
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prio |= 1;
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if (remote && !MULTICAST(remote)) {
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if (remote && !ipv4_is_multicast(remote)) {
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prio |= 2;
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h ^= HASH(remote);
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}
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@ -367,7 +368,8 @@ static void ipgre_err(struct sk_buff *skb, u32 info)
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read_lock(&ipgre_lock);
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t = ipgre_tunnel_lookup(iph->daddr, iph->saddr, (flags&GRE_KEY) ? *(((__be32*)p) + (grehlen>>2) - 1) : 0);
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if (t == NULL || t->parms.iph.daddr == 0 || MULTICAST(t->parms.iph.daddr))
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if (t == NULL || t->parms.iph.daddr == 0 ||
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ipv4_is_multicast(t->parms.iph.daddr))
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goto out;
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if (t->parms.iph.ttl == 0 && type == ICMP_TIME_EXCEEDED)
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@ -619,7 +621,7 @@ static int ipgre_rcv(struct sk_buff *skb)
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skb_postpull_rcsum(skb, skb_transport_header(skb), offset);
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skb->pkt_type = PACKET_HOST;
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#ifdef CONFIG_NET_IPGRE_BROADCAST
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if (MULTICAST(iph->daddr)) {
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if (ipv4_is_multicast(iph->daddr)) {
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/* Looped back packet, drop it! */
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if (((struct rtable*)skb->dst)->fl.iif == 0)
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goto drop;
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@ -783,7 +785,8 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
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struct rt6_info *rt6 = (struct rt6_info*)skb->dst;
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if (rt6 && mtu < dst_mtu(skb->dst) && mtu >= IPV6_MIN_MTU) {
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if ((tunnel->parms.iph.daddr && !MULTICAST(tunnel->parms.iph.daddr)) ||
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if ((tunnel->parms.iph.daddr &&
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!ipv4_is_multicast(tunnel->parms.iph.daddr)) ||
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rt6->rt6i_dst.plen == 128) {
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rt6->rt6i_flags |= RTF_MODIFIED;
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skb->dst->metrics[RTAX_MTU-1] = mtu;
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@ -1009,7 +1012,7 @@ ipgre_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd)
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t = netdev_priv(dev);
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if (MULTICAST(p.iph.daddr))
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if (ipv4_is_multicast(p.iph.daddr))
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nflags = IFF_BROADCAST;
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else if (p.iph.daddr)
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nflags = IFF_POINTOPOINT;
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@ -1143,7 +1146,7 @@ static int ipgre_header(struct sk_buff *skb, struct net_device *dev,
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memcpy(&iph->daddr, daddr, 4);
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return t->hlen;
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}
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if (iph->daddr && !MULTICAST(iph->daddr))
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if (iph->daddr && !ipv4_is_multicast(iph->daddr))
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return t->hlen;
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return -t->hlen;
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@ -1166,7 +1169,7 @@ static int ipgre_open(struct net_device *dev)
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{
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struct ip_tunnel *t = netdev_priv(dev);
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if (MULTICAST(t->parms.iph.daddr)) {
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if (ipv4_is_multicast(t->parms.iph.daddr)) {
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struct flowi fl = { .oif = t->parms.link,
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.nl_u = { .ip4_u =
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{ .daddr = t->parms.iph.daddr,
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@ -1189,7 +1192,7 @@ static int ipgre_open(struct net_device *dev)
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static int ipgre_close(struct net_device *dev)
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{
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struct ip_tunnel *t = netdev_priv(dev);
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if (MULTICAST(t->parms.iph.daddr) && t->mlink) {
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if (ipv4_is_multicast(t->parms.iph.daddr) && t->mlink) {
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struct in_device *in_dev = inetdev_by_index(t->mlink);
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if (in_dev) {
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ip_mc_dec_group(in_dev, t->parms.iph.daddr);
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@ -1236,7 +1239,7 @@ static int ipgre_tunnel_init(struct net_device *dev)
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if (iph->daddr) {
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#ifdef CONFIG_NET_IPGRE_BROADCAST
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if (MULTICAST(iph->daddr)) {
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if (ipv4_is_multicast(iph->daddr)) {
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if (!iph->saddr)
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return -EINVAL;
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dev->flags = IFF_BROADCAST;
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@ -749,7 +749,7 @@ static int ipmr_mfc_add(struct mfcctl *mfc, int mrtsock)
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return 0;
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}
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if (!MULTICAST(mfc->mfcc_mcastgrp.s_addr))
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if (!ipv4_is_multicast(mfc->mfcc_mcastgrp.s_addr))
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return -EINVAL;
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c=ipmr_cache_alloc();
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@ -1461,7 +1461,7 @@ int pim_rcv_v1(struct sk_buff * skb)
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b. packet is not a NULL-REGISTER
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c. packet is not truncated
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*/
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if (!MULTICAST(encap->daddr) ||
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if (!ipv4_is_multicast(encap->daddr) ||
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encap->tot_len == 0 ||
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ntohs(encap->tot_len) + sizeof(*pim) > skb->len)
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goto drop;
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@ -1517,7 +1517,7 @@ static int pim_rcv(struct sk_buff * skb)
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/* check if the inner packet is destined to mcast group */
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encap = (struct iphdr *)(skb_transport_header(skb) +
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sizeof(struct pimreghdr));
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if (!MULTICAST(encap->daddr) ||
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if (!ipv4_is_multicast(encap->daddr) ||
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encap->tot_len == 0 ||
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ntohs(encap->tot_len) + sizeof(*pim) > skb->len)
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goto drop;
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@ -530,7 +530,7 @@ static int raw_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
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if (msg->msg_flags & MSG_DONTROUTE)
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tos |= RTO_ONLINK;
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if (MULTICAST(daddr)) {
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if (ipv4_is_multicast(daddr)) {
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if (!ipc.oif)
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ipc.oif = inet->mc_index;
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if (!saddr)
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@ -1154,7 +1154,8 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
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return;
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if (new_gw == old_gw || !IN_DEV_RX_REDIRECTS(in_dev)
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|| MULTICAST(new_gw) || BADCLASS(new_gw) || ZERONET(new_gw))
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|| ipv4_is_multicast(new_gw) || ipv4_is_badclass(new_gw)
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|| ipv4_is_zeronet(new_gw))
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goto reject_redirect;
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if (!IN_DEV_SHARED_MEDIA(in_dev)) {
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@ -1633,12 +1634,12 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
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if (in_dev == NULL)
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return -EINVAL;
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if (MULTICAST(saddr) || BADCLASS(saddr) || LOOPBACK(saddr) ||
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skb->protocol != htons(ETH_P_IP))
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if (ipv4_is_multicast(saddr) || ipv4_is_badclass(saddr) ||
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ipv4_is_loopback(saddr) || skb->protocol != htons(ETH_P_IP))
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goto e_inval;
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if (ZERONET(saddr)) {
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if (!LOCAL_MCAST(daddr))
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if (ipv4_is_zeronet(saddr)) {
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if (!ipv4_is_local_multicast(daddr))
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goto e_inval;
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spec_dst = inet_select_addr(dev, 0, RT_SCOPE_LINK);
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} else if (fib_validate_source(saddr, 0, tos, 0,
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@ -1680,7 +1681,7 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
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}
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#ifdef CONFIG_IP_MROUTE
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if (!LOCAL_MCAST(daddr) && IN_DEV_MFORWARD(in_dev))
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if (!ipv4_is_local_multicast(daddr) && IN_DEV_MFORWARD(in_dev))
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rth->u.dst.input = ip_mr_input;
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#endif
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RT_CACHE_STAT_INC(in_slow_mc);
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@ -1890,7 +1891,8 @@ static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr,
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by fib_lookup.
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*/
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if (MULTICAST(saddr) || BADCLASS(saddr) || LOOPBACK(saddr))
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if (ipv4_is_multicast(saddr) || ipv4_is_badclass(saddr) ||
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ipv4_is_loopback(saddr))
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goto martian_source;
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if (daddr == htonl(0xFFFFFFFF) || (saddr == 0 && daddr == 0))
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@ -1899,10 +1901,11 @@ static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr,
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/* Accept zero addresses only to limited broadcast;
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* I even do not know to fix it or not. Waiting for complains :-)
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*/
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if (ZERONET(saddr))
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if (ipv4_is_zeronet(saddr))
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goto martian_source;
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if (BADCLASS(daddr) || ZERONET(daddr) || LOOPBACK(daddr))
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if (ipv4_is_badclass(daddr) || ipv4_is_zeronet(daddr) ||
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ipv4_is_loopback(daddr))
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goto martian_destination;
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/*
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@ -1949,7 +1952,7 @@ brd_input:
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if (skb->protocol != htons(ETH_P_IP))
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goto e_inval;
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if (ZERONET(saddr))
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if (ipv4_is_zeronet(saddr))
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spec_dst = inet_select_addr(dev, 0, RT_SCOPE_LINK);
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else {
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err = fib_validate_source(saddr, 0, tos, 0, dev, &spec_dst,
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@ -2079,7 +2082,7 @@ int ip_route_input(struct sk_buff *skb, __be32 daddr, __be32 saddr,
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Note, that multicast routers are not affected, because
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route cache entry is created eventually.
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*/
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if (MULTICAST(daddr)) {
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if (ipv4_is_multicast(daddr)) {
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struct in_device *in_dev;
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rcu_read_lock();
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@ -2088,7 +2091,8 @@ int ip_route_input(struct sk_buff *skb, __be32 daddr, __be32 saddr,
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ip_hdr(skb)->protocol);
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if (our
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#ifdef CONFIG_IP_MROUTE
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|| (!LOCAL_MCAST(daddr) && IN_DEV_MFORWARD(in_dev))
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|| (!ipv4_is_local_multicast(daddr) &&
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IN_DEV_MFORWARD(in_dev))
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#endif
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) {
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rcu_read_unlock();
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@ -2114,14 +2118,14 @@ static inline int __mkroute_output(struct rtable **result,
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u32 tos = RT_FL_TOS(oldflp);
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int err = 0;
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if (LOOPBACK(fl->fl4_src) && !(dev_out->flags&IFF_LOOPBACK))
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if (ipv4_is_loopback(fl->fl4_src) && !(dev_out->flags&IFF_LOOPBACK))
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return -EINVAL;
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if (fl->fl4_dst == htonl(0xFFFFFFFF))
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res->type = RTN_BROADCAST;
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else if (MULTICAST(fl->fl4_dst))
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else if (ipv4_is_multicast(fl->fl4_dst))
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res->type = RTN_MULTICAST;
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else if (BADCLASS(fl->fl4_dst) || ZERONET(fl->fl4_dst))
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else if (ipv4_is_badclass(fl->fl4_dst) || ipv4_is_zeronet(fl->fl4_dst))
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return -EINVAL;
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if (dev_out->flags & IFF_LOOPBACK)
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@ -2201,7 +2205,7 @@ static inline int __mkroute_output(struct rtable **result,
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#ifdef CONFIG_IP_MROUTE
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if (res->type == RTN_MULTICAST) {
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if (IN_DEV_MFORWARD(in_dev) &&
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!LOCAL_MCAST(oldflp->fl4_dst)) {
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!ipv4_is_local_multicast(oldflp->fl4_dst)) {
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rth->u.dst.input = ip_mr_input;
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rth->u.dst.output = ip_mc_output;
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}
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@ -2271,9 +2275,9 @@ static int ip_route_output_slow(struct rtable **rp, const struct flowi *oldflp)
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|
||||
if (oldflp->fl4_src) {
|
||||
err = -EINVAL;
|
||||
if (MULTICAST(oldflp->fl4_src) ||
|
||||
BADCLASS(oldflp->fl4_src) ||
|
||||
ZERONET(oldflp->fl4_src))
|
||||
if (ipv4_is_multicast(oldflp->fl4_src) ||
|
||||
ipv4_is_badclass(oldflp->fl4_src) ||
|
||||
ipv4_is_zeronet(oldflp->fl4_src))
|
||||
goto out;
|
||||
|
||||
/* It is equivalent to inet_addr_type(saddr) == RTN_LOCAL */
|
||||
|
@ -2290,7 +2294,8 @@ static int ip_route_output_slow(struct rtable **rp, const struct flowi *oldflp)
|
|||
*/
|
||||
|
||||
if (oldflp->oif == 0
|
||||
&& (MULTICAST(oldflp->fl4_dst) || oldflp->fl4_dst == htonl(0xFFFFFFFF))) {
|
||||
&& (ipv4_is_multicast(oldflp->fl4_dst) ||
|
||||
oldflp->fl4_dst == htonl(0xFFFFFFFF))) {
|
||||
/* Special hack: user can direct multicasts
|
||||
and limited broadcast via necessary interface
|
||||
without fiddling with IP_MULTICAST_IF or IP_PKTINFO.
|
||||
|
@ -2327,14 +2332,15 @@ static int ip_route_output_slow(struct rtable **rp, const struct flowi *oldflp)
|
|||
goto out; /* Wrong error code */
|
||||
}
|
||||
|
||||
if (LOCAL_MCAST(oldflp->fl4_dst) || oldflp->fl4_dst == htonl(0xFFFFFFFF)) {
|
||||
if (ipv4_is_local_multicast(oldflp->fl4_dst) ||
|
||||
oldflp->fl4_dst == htonl(0xFFFFFFFF)) {
|
||||
if (!fl.fl4_src)
|
||||
fl.fl4_src = inet_select_addr(dev_out, 0,
|
||||
RT_SCOPE_LINK);
|
||||
goto make_route;
|
||||
}
|
||||
if (!fl.fl4_src) {
|
||||
if (MULTICAST(oldflp->fl4_dst))
|
||||
if (ipv4_is_multicast(oldflp->fl4_dst))
|
||||
fl.fl4_src = inet_select_addr(dev_out, 0,
|
||||
fl.fl4_scope);
|
||||
else if (!oldflp->fl4_dst)
|
||||
|
@ -2618,7 +2624,7 @@ static int rt_fill_info(struct sk_buff *skb, u32 pid, u32 seq, int event,
|
|||
#ifdef CONFIG_IP_MROUTE
|
||||
__be32 dst = rt->rt_dst;
|
||||
|
||||
if (MULTICAST(dst) && !LOCAL_MCAST(dst) &&
|
||||
if (ipv4_is_multicast(dst) && !ipv4_is_local_multicast(dst) &&
|
||||
IPV4_DEVCONF_ALL(&init_net, MC_FORWARDING)) {
|
||||
int err = ipmr_get_route(skb, r, nowait);
|
||||
if (err <= 0) {
|
||||
|
|
|
@ -626,7 +626,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
|
|||
connected = 0;
|
||||
}
|
||||
|
||||
if (MULTICAST(daddr)) {
|
||||
if (ipv4_is_multicast(daddr)) {
|
||||
if (!ipc.oif)
|
||||
ipc.oif = inet->mc_index;
|
||||
if (!saddr)
|
||||
|
|
Loading…
Reference in a new issue