tipc: improve broadcast retransmission algorithm
Currently, the broadcast retransmission algorithm is using the 'prev_retr' field in struct tipc_link to time stamp the latest broadcast retransmission occasion. This helps to restrict retransmission of individual broadcast packets to max once per 10 milliseconds, even though all other criteria for retransmission are met. We now move this time stamp to the control block of each individual packet, and remove other limiting criteria. This simplifies the retransmission algorithm, and eliminates any risk of logical errors in selecting which packets can be retransmitted. Acked-by: NYing Xue <ying.xue@windriver.com> Signed-off-by: NLUU Duc Canh <canh.d.luu@dektech.com.au> Signed-off-by: NJon Maloy <jon.maloy@ericsson.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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