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.TH "IP6IP6_TNL_ADDR_CONFLICT" "9" "09 October 2005" "" ""

.SH NAME
ip6ip6_tnl_addr_conflict \- compare packet addresses to tunnel's own
.SH SYNOPSIS
"SYNOPSIS"
.sp
\fB
.sp
int ip6ip6_tnl_addr_conflict  (struct ip6_tnl * \fIt\fB, struct ipv6hdr * \fIhdr\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIt\fB\fR
the outgoing tunnel device
.TP
\fB\fIhdr\fB\fR
IPv6 header from the incoming packet 
.SH "DESCRIPTION"
.PP
Avoid trivial tunneling loop by checking that tunnel exit-point 
doesn't match source of incoming packet.
.SH "RETURN"
.PP
1 if conflict,
0 else