When lost messages are retransmitted, they also carry ACK.
So, l->rcv_unacked needs to be reset.
Fixes: 9195948fbf34 ("tipc: improve TIPC throughput by Gap ACK blocks")
Signed-off-by: Tung Nguyen <tung.q.ngu...@dektech.com.au>
---
net/tipc/link.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/tipc/link.c b/net/tipc/link.c
index fb72031..7660e5a 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -1448,6 +1448,7 @@ static int tipc_link_advance_transmq(struct tipc_link *l,
u16 acked, u16 gap,
msg_set_bcast_ack(hdr, bc_ack);
_skb->priority = TC_PRIO_CONTROL;
__skb_queue_tail(xmitq, _skb);
+ l->rcv_unacked = 0;
l->stats.retransmitted++;
/* Increase actual retrans counter & mark first time */
--
2.1.4
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