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[TIPC]: Added duplicate node address detection capability

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TIPC now rejects and logs link setup requests from node <Z.C.N> if the
receiving node already has a functional link to that node on the associated
interface, or if the requestor is using the same <Z.C.N> as the receiver.

Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: Per Liden <per.liden@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Allan Stephens
2006-10-16 21:44:59 -07:00
committed by David S. Miller
parent eb5959c2bd
commit e91ed0bcdf
2 changed files with 35 additions and 5 deletions
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8
net/tipc/bearer.c
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@ -2,7 +2,7 @@
* net/tipc/bearer.c: TIPC bearer code
*
* Copyright (c) 1996-2006, Ericsson AB
* Copyright (c) 2004-2005, Wind River Systems
* Copyright (c) 2004-2006, Wind River Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -191,14 +191,14 @@ void tipc_media_addr_printf(struct print_buf *pb, struct tipc_media_addr *a)
if ((i < media_count) && (m_ptr->addr2str != NULL)) {
char addr_str[MAX_ADDR_STR];
tipc_printf(pb, "%s(%s) ", m_ptr->name,
tipc_printf(pb, "%s(%s)", m_ptr->name,
m_ptr->addr2str(a, addr_str, sizeof(addr_str)));
} else {
unchar *addr = (unchar *)&a->dev_addr;
tipc_printf(pb, "UNKNOWN(%u):", media_type);
tipc_printf(pb, "UNKNOWN(%u)", media_type);
for (i = 0; i < (sizeof(*a) - sizeof(a->type)); i++) {
tipc_printf(pb, "%02x ", addr[i]);
tipc_printf(pb, "-%02x", addr[i]);
}
}
}