diff mbox

[dpdk-dev,1/3] examples/ip_fragmentation: limit max frame size

Message ID 1491834656-20656-1-git-send-email-Andriy.Berestovskyy@caviumnetworks.com (mailing list archive)
State Accepted, archived
Delegated to: Thomas Monjalon
Headers

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK

Commit Message

Andriy Berestovskyy April 10, 2017, 2:30 p.m. UTC 
  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@caviumnetworks.com>
---
 examples/ip_fragmentation/main.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

Comments

Thomas Monjalon April 21, 2017, 12:21 a.m. UTC | #1 
10/04/2017 16:30, 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@caviumnetworks.com>

Series squashed and applied, thanks
diff mbox

Patch

diff --git a/examples/ip_fragmentation/main.c b/examples/ip_fragmentation/main.c
index 8d2ec43..31499c3 100644
--- a/examples/ip_fragmentation/main.c
+++ b/examples/ip_fragmentation/main.c
@@ -168,7 +168,7 @@  struct lcore_queue_conf {
 } __rte_cache_aligned;
 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
 
-static const struct rte_eth_conf port_conf = {
+static struct rte_eth_conf port_conf = {
 	.rxmode = {
 		.max_rx_pkt_len = JUMBO_FRAME_MAX_SIZE,
 		.split_hdr_size = 0,
@@ -915,6 +915,11 @@  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) {
@@ -980,7 +985,6 @@  main(int argc, char **argv)
 			printf("txq=%u,%d ", lcore_id, queueid);
 			fflush(stdout);
 
-			rte_eth_dev_info_get(portid, &dev_info);
 			txconf = &dev_info.default_txconf;
 			txconf->txq_flags = 0;
 			ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,