On Tue, 6 Jan 2026 17:40:43 +0000
Marat Khalili [off-list ref] wrote:

quoted

+/* Create random valid ethernet packets */
+static int
+test_mbuf_setup_burst(struct rte_mbuf **bufs, unsigned int burst_size)
+{
+	unsigned int i;
+
+	if (rte_pktmbuf_alloc_bulk(mp, bufs, burst_size) != 0)
+		return -1;
+
+	for (i = 0; i < burst_size; i++) {
+		struct rte_mbuf *m = bufs[i];
+		uint16_t len;
+
+		/* Choose random length between ether min and available space */
+		len = rte_rand_max(rte_pktmbuf_tailroom(m) - RTE_ETHER_MIN_LEN)  

Nit: could technically use rte_pktmbuf_tailroom(m) - RTE_ETHER_MIN_LEN + 1.

quoted

+			+ RTE_ETHER_MIN_LEN;
+		m->data_len = len;
+		m->buf_len = len;  

Not sure why we are changing buf_len here.

quoted

+	}
+	return 0;
+}  

Next version is going to use packet generator stuff that is in test infra now.