net/core/pktgen.c

425 	unsigned int burst;	/* number of duplicated packets to burst */
659 	if (pkt_dev->burst > 1)
660 		seq_printf(seq, "     burst: %d\n", pkt_dev->burst);
1251 	if (!strcmp(name, "burst")) {
1266 		pkt_dev->burst = value < 1 ? 1 : value;
1267 		sprintf(pg_result, "OK: burst=%u", pkt_dev->burst);
1344 				/* If "clone_skb", or "burst" parameters are
1350 							 pkt_dev->burst > 1))
3467 	unsigned int burst = 1;
3473 	 * new values (if any) for 'burst' and 'clone_skb' will be skipped to
3478 		burst = READ_ONCE(pkt_dev->burst);
3520 			refcount_add(burst, &skb->users);
3532 			if (refcount_read(&skb->users) != burst) {
3536 				WARN_ON(refcount_sub_and_test(burst - 1, &skb->users));
3546 		} while (--burst > 0);
3596 		refcount_add(burst, &pkt_dev->skb->users);
3599 	ret = netdev_start_xmit(pkt_dev->skb, odev, txq, --burst > 0);
3610 		if (burst > 0 && !netif_xmit_frozen_or_drv_stopped(txq))
3629 	if (unlikely(burst))
3630 		WARN_ON(refcount_sub_and_test(burst, &pkt_dev->skb->users));
3819 	pkt_dev->burst = 1;