[dpdk-dev] [PATCH 2/3] examples/ip_reassembly: limit max frame size

[Andriy Berestovskyy]

Some PMDs do not support 9,5K jumbo frames, so the example fails.
Limit the frame size to the maximum supported by the underlying NIC.

Signed-off-by: Andriy Berestovskyy <Andriy.Berestovskyy at caviumnetworks.com>
---
 examples/ip_reassembly/main.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/examples/ip_reassembly/main.c b/examples/ip_reassembly/main.c
index b641576..257881c 100644
--- a/examples/ip_reassembly/main.c
+++ b/examples/ip_reassembly/main.c
@@ -1063,6 +1063,11 @@ main(int argc, char **argv)
 
 		qconf = &lcore_queue_conf[rx_lcore_id];
 
+		/* limit the frame size to the maximum supported by NIC */
+		rte_eth_dev_info_get(portid, &dev_info);
+		port_conf.rxmode.max_rx_pkt_len = RTE_MIN(
+		    dev_info.max_rx_pktlen, port_conf.rxmode.max_rx_pkt_len);
+
 		/* get the lcore_id for this port */
 		while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
 			   qconf->n_rx_queue == (unsigned)rx_queue_per_lcore) {
@@ -1129,7 +1134,6 @@ main(int argc, char **argv)
 			printf("txq=%u,%d,%d ", lcore_id, queueid, socket);
 			fflush(stdout);
 
-			rte_eth_dev_info_get(portid, &dev_info);
 			txconf = &dev_info.default_txconf;
 			txconf->txq_flags = 0;
 
-- 
2.7.4