first_sackt      1134 net/ipv4/tcp_input.c 	u64	first_sackt;
first_sackt      1245 net/ipv4/tcp_input.c 				if (state->first_sackt == 0)
first_sackt      1246 net/ipv4/tcp_input.c 					state->first_sackt = xmit_time;
first_sackt      3195 net/ipv4/tcp_input.c 	if (sack->first_sackt) {
first_sackt      3196 net/ipv4/tcp_input.c 		sack_rtt_us = tcp_stamp_us_delta(tp->tcp_mstamp, sack->first_sackt);
first_sackt      3602 net/ipv4/tcp_input.c 	sack_state.first_sackt = 0;