Problem with TCP KEEP_ALIVE feature

[Radha Mohan]

Hi All,



I am using KEEP_ALIVE mechanism to detect connection break. 

But the Connection is getting RESET in middle of data transfers because i am only receiving data and not sending any data.



But the KEEP_ALIVE code is taking care of only received ack time stamp.If I am not sending  any data I will always be a victim of this code.



I am referring to tcp_timer.c code.



        elapsed = keepalive_time_when(tp);



       if (tp->packets_out || tcp_send_head(sk))

                goto resched;



        elapsed = tcp_time_stamp - tp->rcv_tstamp;



        if (elapsed >= keepalive_time_when(tp)) {



Can anyone please help me on this.





Regards

Mohan









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