net/batman-adv/tp_meter.c

93  * @icmp_uid: icmp pseudo uid of the tp session
582 	struct batadv_icmp_tp_packet *icmp;
593 	icmp = skb_put(skb, sizeof(*icmp));
595 	/* fill the icmp header */
596 	ether_addr_copy(icmp->dst, orig_node->orig);
597 	ether_addr_copy(icmp->orig, src);
598 	icmp->version = BATADV_COMPAT_VERSION;
599 	icmp->packet_type = BATADV_ICMP;
600 	icmp->ttl = BATADV_TTL;
601 	icmp->msg_type = BATADV_TP;
602 	icmp->uid = uid;
604 	icmp->subtype = BATADV_TP_MSG;
605 	memcpy(icmp->session, session, sizeof(icmp->session));
606 	icmp->seqno = htonl(seqno);
607 	icmp->timestamp = htonl(timestamp);
609 	data_len = len - sizeof(*icmp);
632 	const struct batadv_icmp_tp_packet *icmp;
642 	icmp = (struct batadv_icmp_tp_packet *)skb->data;
645 	tp_vars = batadv_tp_list_find_session(bat_priv, icmp->orig,
646 					      icmp->session);
654 	if (batadv_seq_before(ntohl(icmp->seqno),
662 	orig_node = batadv_orig_hash_find(bat_priv, icmp->orig);
667 	rtt = jiffies_to_msecs(jiffies) - ntohl(icmp->timestamp);
668 	if (icmp->timestamp && rtt)
674 	recv_ack = ntohl(icmp->seqno);
688 				   icmp->session, icmp->uid,
727 						   packet_len, icmp->session,
728 						   icmp->uid,
1160 	struct batadv_icmp_tp_packet *icmp;
1176 	skb = netdev_alloc_skb_ip_align(NULL, sizeof(*icmp) + ETH_HLEN);
1183 	icmp = skb_put(skb, sizeof(*icmp));
1184 	icmp->packet_type = BATADV_ICMP;
1185 	icmp->version = BATADV_COMPAT_VERSION;
1186 	icmp->ttl = BATADV_TTL;
1187 	icmp->msg_type = BATADV_TP;
1188 	ether_addr_copy(icmp->dst, orig_node->orig);
1189 	ether_addr_copy(icmp->orig, primary_if->net_dev->dev_addr);
1190 	icmp->uid = socket_index;
1192 	icmp->subtype = BATADV_TP_ACK;
1193 	memcpy(icmp->session, session, sizeof(icmp->session));
1194 	icmp->seqno = htonl(seq);
1195 	icmp->timestamp = timestamp;
1226 	const struct batadv_icmp_tp_packet *icmp;
1235 	icmp = (struct batadv_icmp_tp_packet *)skb->data;
1237 	new->seqno = ntohl(icmp->seqno);
1324  * @icmp: received icmp tp msg
1330 		    const struct batadv_icmp_tp_packet *icmp)
1335 	tp_vars = batadv_tp_list_find_session(bat_priv, icmp->orig,
1336 					      icmp->session);
1350 	ether_addr_copy(tp_vars->other_end, icmp->orig);
1352 	memcpy(tp_vars->session, icmp->session, sizeof(tp_vars->session));
1384 	const struct batadv_icmp_tp_packet *icmp;
1389 	icmp = (struct batadv_icmp_tp_packet *)skb->data;
1391 	seqno = ntohl(icmp->seqno);
1396 		tp_vars = batadv_tp_init_recv(bat_priv, icmp);
1403 		tp_vars = batadv_tp_list_find_session(bat_priv, icmp->orig,
1404 						      icmp->session);
1408 				   icmp->orig);
1429 	if (ntohl(icmp->seqno) != tp_vars->last_recv) {
1452 	batadv_tp_send_ack(bat_priv, icmp->orig, tp_vars->last_recv,
1453 			   icmp->timestamp, icmp->session, icmp->uid);
1465 	struct batadv_icmp_tp_packet *icmp;
1467 	icmp = (struct batadv_icmp_tp_packet *)skb->data;
1469 	switch (icmp->subtype) {
1479 			   icmp->subtype);