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tipc: fix link priority propagation

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Currently link priority changes isn't handled for active links. In
this patch we resolve this by changing our priority if the peer passes
a valid priority in a state message.

Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Richard Alpe 2016-02-01 08:19:57 +01:00 • committed by David S. Miller
parent d01332f1ac
commit 817298102b
1 changed files with 6 additions and 0 deletions
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6
net/tipc/link.c
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@ -1458,6 +1458,12 @@ static int tipc_link_proto_rcv(struct tipc_link *l, struct sk_buff *skb,
if (in_range(peers_tol, TIPC_MIN_LINK_TOL, TIPC_MAX_LINK_TOL)) if (in_range(peers_tol, TIPC_MIN_LINK_TOL, TIPC_MAX_LINK_TOL))
l->tolerance = peers_tol; l->tolerance = peers_tol;
if (peers_prio && in_range(peers_prio, TIPC_MIN_LINK_PRI,
TIPC_MAX_LINK_PRI)) {
l->priority = peers_prio;
rc = tipc_link_fsm_evt(l, LINK_FAILURE_EVT);
}
l->silent_intv_cnt = 0; l->silent_intv_cnt = 0;
l->stats.recv_states++; l->stats.recv_states++;
if (msg_probe(hdr)) if (msg_probe(hdr))