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[SCTP] Add support for ip_nonlocal_bind sysctl & IP_FREEBIND socket option
Signed-off-by: Neil Horman <nhorman@redhat.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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3 changed files with 7 additions and 2 deletions
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@ -163,6 +163,7 @@ DECLARE_SNMP_STAT(struct linux_mib, net_statistics);
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extern int sysctl_local_port_range[2];
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extern int sysctl_ip_default_ttl;
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extern int sysctl_ip_nonlocal_bind;
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#ifdef CONFIG_INET
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/* The function in 2.2 was invalid, producing wrong result for
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@ -1181,6 +1181,7 @@ EXPORT_SYMBOL(inet_stream_connect);
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EXPORT_SYMBOL(inet_stream_ops);
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EXPORT_SYMBOL(inet_unregister_protosw);
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EXPORT_SYMBOL(net_statistics);
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EXPORT_SYMBOL(sysctl_ip_nonlocal_bind);
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#ifdef INET_REFCNT_DEBUG
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EXPORT_SYMBOL(inet_sock_nr);
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@ -378,10 +378,13 @@ static int sctp_v4_available(union sctp_addr *addr, struct sctp_sock *sp)
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{
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int ret = inet_addr_type(addr->v4.sin_addr.s_addr);
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/* FIXME: ip_nonlocal_bind sysctl support. */
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if (addr->v4.sin_addr.s_addr != INADDR_ANY && ret != RTN_LOCAL)
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if (addr->v4.sin_addr.s_addr != INADDR_ANY &&
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ret != RTN_LOCAL &&
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!sp->inet.freebind &&
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!sysctl_ip_nonlocal_bind)
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return 0;
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return 1;
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}
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