#include <net/protocol.h>
#include <net/ip.h>
#include <net/ipv6.h>
+#include <net/route.h>
#include <net/sctp/sctp.h>
#include <net/addrconf.h>
#include <net/inet_common.h>
* Return 0 - If the address is a non-unicast or an illegal address.
* Return 1 - If the address is a unicast.
*/
-static int sctp_v4_addr_valid(union sctp_addr *addr, struct sctp_sock *sp)
+static int sctp_v4_addr_valid(union sctp_addr *addr,
+ struct sctp_sock *sp,
+ const struct sk_buff *skb)
{
/* Is this a non-unicast address or a unusable SCTP address? */
if (IS_IPV4_UNUSABLE_ADDRESS(&addr->v4.sin_addr.s_addr))
return 0;
+ /* Is this a broadcast address? */
+ if (skb && ((struct rtable *)skb->dst)->rt_flags & RTCF_BROADCAST)
+ return 0;
+
return 1;
}
};
/* Socket operations. */
-static struct proto_ops inet_seqpacket_ops = {
- .family = PF_INET,
- .owner = THIS_MODULE,
- .release = inet_release, /* Needs to be wrapped... */
- .bind = inet_bind,
- .connect = inet_dgram_connect,
- .socketpair = sock_no_socketpair,
- .accept = inet_accept,
- .getname = inet_getname, /* Semantics are different. */
- .poll = sctp_poll,
- .ioctl = inet_ioctl,
- .listen = sctp_inet_listen,
- .shutdown = inet_shutdown, /* Looks harmless. */
- .setsockopt = sock_common_setsockopt, /* IP_SOL IP_OPTION is a problem. */
- .getsockopt = sock_common_getsockopt,
- .sendmsg = inet_sendmsg,
- .recvmsg = sock_common_recvmsg,
- .mmap = sock_no_mmap,
- .sendpage = sock_no_sendpage,
+static const struct proto_ops inet_seqpacket_ops = {
+ .family = PF_INET,
+ .owner = THIS_MODULE,
+ .release = inet_release, /* Needs to be wrapped... */
+ .bind = inet_bind,
+ .connect = inet_dgram_connect,
+ .socketpair = sock_no_socketpair,
+ .accept = inet_accept,
+ .getname = inet_getname, /* Semantics are different. */
+ .poll = sctp_poll,
+ .ioctl = inet_ioctl,
+ .listen = sctp_inet_listen,
+ .shutdown = inet_shutdown, /* Looks harmless. */
+ .setsockopt = sock_common_setsockopt, /* IP_SOL IP_OPTION is a problem */
+ .getsockopt = sock_common_getsockopt,
+ .sendmsg = inet_sendmsg,
+ .recvmsg = sock_common_recvmsg,
+ .mmap = sock_no_mmap,
+ .sendpage = sock_no_sendpage,
+#ifdef CONFIG_COMPAT
+ .compat_setsockopt = compat_sock_common_setsockopt,
+ .compat_getsockopt = compat_sock_common_getsockopt,
+#endif
};
/* Registration with AF_INET family. */
/* IPv4 address related functions. */
static struct sctp_af sctp_ipv4_specific = {
- .sctp_xmit = sctp_v4_xmit,
- .setsockopt = ip_setsockopt,
- .getsockopt = ip_getsockopt,
- .get_dst = sctp_v4_get_dst,
- .get_saddr = sctp_v4_get_saddr,
- .copy_addrlist = sctp_v4_copy_addrlist,
- .from_skb = sctp_v4_from_skb,
- .from_sk = sctp_v4_from_sk,
- .to_sk_saddr = sctp_v4_to_sk_saddr,
- .to_sk_daddr = sctp_v4_to_sk_daddr,
- .from_addr_param= sctp_v4_from_addr_param,
- .to_addr_param = sctp_v4_to_addr_param,
- .dst_saddr = sctp_v4_dst_saddr,
- .cmp_addr = sctp_v4_cmp_addr,
- .addr_valid = sctp_v4_addr_valid,
- .inaddr_any = sctp_v4_inaddr_any,
- .is_any = sctp_v4_is_any,
- .available = sctp_v4_available,
- .scope = sctp_v4_scope,
- .skb_iif = sctp_v4_skb_iif,
- .is_ce = sctp_v4_is_ce,
- .seq_dump_addr = sctp_v4_seq_dump_addr,
- .net_header_len = sizeof(struct iphdr),
- .sockaddr_len = sizeof(struct sockaddr_in),
- .sa_family = AF_INET,
+ .sa_family = AF_INET,
+ .sctp_xmit = sctp_v4_xmit,
+ .setsockopt = ip_setsockopt,
+ .getsockopt = ip_getsockopt,
+ .get_dst = sctp_v4_get_dst,
+ .get_saddr = sctp_v4_get_saddr,
+ .copy_addrlist = sctp_v4_copy_addrlist,
+ .from_skb = sctp_v4_from_skb,
+ .from_sk = sctp_v4_from_sk,
+ .to_sk_saddr = sctp_v4_to_sk_saddr,
+ .to_sk_daddr = sctp_v4_to_sk_daddr,
+ .from_addr_param = sctp_v4_from_addr_param,
+ .to_addr_param = sctp_v4_to_addr_param,
+ .dst_saddr = sctp_v4_dst_saddr,
+ .cmp_addr = sctp_v4_cmp_addr,
+ .addr_valid = sctp_v4_addr_valid,
+ .inaddr_any = sctp_v4_inaddr_any,
+ .is_any = sctp_v4_is_any,
+ .available = sctp_v4_available,
+ .scope = sctp_v4_scope,
+ .skb_iif = sctp_v4_skb_iif,
+ .is_ce = sctp_v4_is_ce,
+ .seq_dump_addr = sctp_v4_seq_dump_addr,
+ .net_header_len = sizeof(struct iphdr),
+ .sockaddr_len = sizeof(struct sockaddr_in),
+#ifdef CONFIG_COMPAT
+ .compat_setsockopt = compat_ip_setsockopt,
+ .compat_getsockopt = compat_ip_getsockopt,
+#endif
};
struct sctp_pf *sctp_get_pf_specific(sa_family_t family) {
/* Sendbuffer growth - do per-socket accounting */
sctp_sndbuf_policy = 0;
+ /* Rcvbuffer growth - do per-socket accounting */
+ sctp_rcvbuf_policy = 0;
+
/* HB.interval - 30 seconds */
sctp_hb_interval = SCTP_DEFAULT_TIMEOUT_HEARTBEAT;