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.berestovs...@caviumnetworks.com> --- examples/ip_fragmentation/main.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) 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, -- 2.7.4