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Commit cdac4e07 authored by Neil Horman's avatar Neil Horman Committed by David S. Miller
Browse files

[SCTP] Add support for ip_nonlocal_bind sysctl & IP_FREEBIND socket option 



Signed-off-by: default avatarNeil Horman <nhorman@redhat.com>
Signed-off-by: default avatarSridhar Samudrala <sri@us.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent bca735bd

include/net/ip.h

+1 −0
Original line number Diff line number Diff line
@@ -163,6 +163,7 @@ DECLARE_SNMP_STAT(struct linux_mib, net_statistics); 


extern int sysctl_local_port_range[2];

extern int sysctl_ip_default_ttl;

extern int sysctl_ip_nonlocal_bind;



#ifdef CONFIG_INET

/* The function in 2.2 was invalid, producing wrong result for

net/ipv4/af_inet.c

+1 −0
Original line number Diff line number Diff line
@@ -1181,6 +1181,7 @@ EXPORT_SYMBOL(inet_stream_connect); 
EXPORT_SYMBOL(inet_stream_ops);

EXPORT_SYMBOL(inet_unregister_protosw);

EXPORT_SYMBOL(net_statistics);

EXPORT_SYMBOL(sysctl_ip_nonlocal_bind);



#ifdef INET_REFCNT_DEBUG

EXPORT_SYMBOL(inet_sock_nr);

net/sctp/protocol.c

+5 −2
Original line number Diff line number Diff line
@@ -378,10 +378,13 @@ static int sctp_v4_available(union sctp_addr *addr, struct sctp_sock *sp) 
{

	int ret = inet_addr_type(addr->v4.sin_addr.s_addr);



	/* FIXME: ip_nonlocal_bind sysctl support. */



	if (addr->v4.sin_addr.s_addr != INADDR_ANY && ret != RTN_LOCAL)

	if (addr->v4.sin_addr.s_addr != INADDR_ANY &&

	   ret != RTN_LOCAL &&

	   !sp->inet.freebind &&

	   !sysctl_ip_nonlocal_bind)

		return 0;



	return 1;

}