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examples: limit max frame size

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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>
This commit is contained in:
Andriy Berestovskyy 2017-04-10 16:30:54 +02:00 committed by Thomas Monjalon
parent 871b8b8c7d
commit 5e470a6654
3 changed files with 17 additions and 5 deletions
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8
examples/ip_fragmentation/main.c
View File

@ -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,

6
examples/ip_reassembly/main.c
View File

@ -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;

8
examples/ipv4_multicast/main.c
View File

@ -137,7 +137,7 @@ struct lcore_queue_conf {
} __rte_cache_aligned;
static 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,
@ -725,6 +725,11 @@ 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) {
@ -777,7 +782,6 @@ main(int argc, char **argv)
printf("txq=%u,%hu ", 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,