net/batman-adv/tp_meter.c

109  * batadv_tp_cwnd() - compute the new cwnd size
111  * @increment: the value to add to base to get the new size
114  * Return the new cwnd size and ensure it does not exceed the Advertised
118  * Return: new congestion window size in bytes
170  * batadv_tp_update_rto() - calculate new retransmission timeout
172  * @new_rtt: new roundtrip time in msec
187 		tp_vars->srtt += m; /* rtt = 7/8 srtt + 1/8 new */
192 		tp_vars->rttvar += m; /* mdev ~= 3/4 rttvar + 1/4 new */
513 		   "Meter: RTO fired during test towards %pM! cwnd=%u new ss_thr=%u, resetting last_sent to %u\n",
666 	/* update RTO with the new sampled RTT, if any */
671 	/* ACK for new data... reset the timer */
897  * batadv_tp_start_kthread() - start new thread which manages the tp meter
929  * batadv_tp_start() - start a new tp meter session
1049 	/* don't return reference to new tp_vars */
1227 	struct batadv_tp_unacked *un, *new;
1231 	new = kmalloc(sizeof(*new), GFP_ATOMIC);
1232 	if (unlikely(!new))
1237 	new->seqno = ntohl(icmp->seqno);
1239 	new->len = payload_len;
1242 	/* if the list is empty immediately attach this new object */
1244 		list_add(&new->list, &tp_vars->unacked_list);
1257 		if (new->seqno == un->seqno) {
1258 			if (new->len > un->len)
1259 				un->len = new->len;
1260 			kfree(new);
1266 		if (batadv_seq_before(new->seqno, un->seqno))
1269 		/* as soon as an entry having a bigger seqno is found, the new
1273 		list_add_tail(&new->list, &un->list);
1280 		list_add(&new->list, &tp_vars->unacked_list);
1322  * batadv_tp_init_recv() - return matching or create new receiver tp_vars