examples: limit max frame size
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>
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@ -168,7 +168,7 @@ struct lcore_queue_conf {
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} __rte_cache_aligned;
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struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
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static const struct rte_eth_conf port_conf = {
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static struct rte_eth_conf port_conf = {
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.rxmode = {
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.max_rx_pkt_len = JUMBO_FRAME_MAX_SIZE,
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.split_hdr_size = 0,
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@ -915,6 +915,11 @@ main(int argc, char **argv)
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qconf = &lcore_queue_conf[rx_lcore_id];
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/* limit the frame size to the maximum supported by NIC */
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rte_eth_dev_info_get(portid, &dev_info);
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port_conf.rxmode.max_rx_pkt_len = RTE_MIN(
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dev_info.max_rx_pktlen, port_conf.rxmode.max_rx_pkt_len);
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/* get the lcore_id for this port */
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while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
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qconf->n_rx_queue == (unsigned)rx_queue_per_lcore) {
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@ -980,7 +985,6 @@ main(int argc, char **argv)
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printf("txq=%u,%d ", lcore_id, queueid);
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fflush(stdout);
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rte_eth_dev_info_get(portid, &dev_info);
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txconf = &dev_info.default_txconf;
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txconf->txq_flags = 0;
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ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
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@ -1063,6 +1063,11 @@ main(int argc, char **argv)
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qconf = &lcore_queue_conf[rx_lcore_id];
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/* limit the frame size to the maximum supported by NIC */
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rte_eth_dev_info_get(portid, &dev_info);
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port_conf.rxmode.max_rx_pkt_len = RTE_MIN(
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dev_info.max_rx_pktlen, port_conf.rxmode.max_rx_pkt_len);
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/* get the lcore_id for this port */
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while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
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qconf->n_rx_queue == (unsigned)rx_queue_per_lcore) {
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@ -1129,7 +1134,6 @@ main(int argc, char **argv)
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printf("txq=%u,%d,%d ", lcore_id, queueid, socket);
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fflush(stdout);
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rte_eth_dev_info_get(portid, &dev_info);
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txconf = &dev_info.default_txconf;
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txconf->txq_flags = 0;
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@ -137,7 +137,7 @@ struct lcore_queue_conf {
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} __rte_cache_aligned;
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static struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
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static const struct rte_eth_conf port_conf = {
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static struct rte_eth_conf port_conf = {
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.rxmode = {
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.max_rx_pkt_len = JUMBO_FRAME_MAX_SIZE,
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.split_hdr_size = 0,
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@ -725,6 +725,11 @@ main(int argc, char **argv)
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qconf = &lcore_queue_conf[rx_lcore_id];
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/* limit the frame size to the maximum supported by NIC */
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rte_eth_dev_info_get(portid, &dev_info);
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port_conf.rxmode.max_rx_pkt_len = RTE_MIN(
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dev_info.max_rx_pktlen, port_conf.rxmode.max_rx_pkt_len);
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/* get the lcore_id for this port */
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while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
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qconf->n_rx_queue == (unsigned)rx_queue_per_lcore) {
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@ -777,7 +782,6 @@ main(int argc, char **argv)
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printf("txq=%u,%hu ", lcore_id, queueid);
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fflush(stdout);
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rte_eth_dev_info_get(portid, &dev_info);
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txconf = &dev_info.default_txconf;
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txconf->txq_flags = 0;
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ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
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