syn_stamp        5858 net/ipv4/tcp_input.c 	u32 syn_stamp;
syn_stamp        5864 net/ipv4/tcp_input.c 	syn_stamp = tp->retrans_stamp;
syn_stamp        5865 net/ipv4/tcp_input.c 	if (tp->undo_marker && syn_stamp && tp->rx_opt.saw_tstamp &&
syn_stamp        5866 net/ipv4/tcp_input.c 	    syn_stamp == tp->rx_opt.rcv_tsecr)