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Patch for proper multicast support on point-to-point links.

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Submitted by:	apg@demos.su (Paul Antonov) - patch020
This commit is contained in:
Steven Wallace 1994-10-25 22:13:32 +00:00
parent be0856f8c8
commit 1bc8a80906
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=3865
1 changed files with 5 additions and 3 deletions
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8
sys/netinet/in_var.h
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@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)in_var.h 8.1 (Berkeley) 6/10/93
* $Id: in_var.h,v 1.5 1994/08/21 05:27:30 paul Exp $
* $Id: in_var.h,v 1.6 1994/09/06 22:42:20 wollman Exp $
*/
#ifndef _NETINET_IN_VAR_H_
@ -72,7 +72,8 @@ struct in_aliasreq {
* Given a pointer to an in_ifaddr (ifaddr),
* return a pointer to the addr as a sockaddr_in.
*/
#define IA_SIN(ia) (&(((struct in_ifaddr *)(ia))->ia_addr))
#define IA_SIN(ia) (&(((struct in_ifaddr *)(ia))->ia_addr))
#define IA_DSTSIN(ia) (&(((struct in_ifaddr *)(ia))->ia_dstaddr))
#define IN_LNAOF(in, ifa) \
((ntohl((in).s_addr) & ~((struct in_ifaddr *)(ifa)->ia_subnetmask))
@ -93,7 +94,8 @@ extern struct ifqueue ipintrq; /* ip packet input queue */
register struct in_ifaddr *ia; \
\
for (ia = in_ifaddr; \
ia != NULL && IA_SIN(ia)->sin_addr.s_addr != (addr).s_addr; \
ia != NULL && ((ia->ia_ifp->if_flags & IFF_POINTOPOINT)? \
IA_DSTSIN(ia):IA_SIN(ia))->sin_addr.s_addr != (addr).s_addr; \
ia = ia->ia_next) \
continue; \
(ifp) = (ia == NULL) ? NULL : ia->ia_ifp; \