From: Sarosh Arif <sarosh.arif@emumba.com>
To: dev@dpdk.org, bruce.richardson@intel.com,
john.mcnamara@intel.com, reshma.pattan@intel.com,
vipin.varghese@intel.com
Cc: stable@dpdk.org, Sarosh Arif <sarosh.arif@emumba.com>
Subject: [dpdk-dev] [PATCH 1/3] examples/packet_ordering: free resources on exit
Date: Mon, 15 Jun 2020 13:41:30 +0500 [thread overview]
Message-ID: <20200615084132.9553-1-sarosh.arif@emumba.com> (raw)
Resources should be cleared while exiting the application.
Bugzilla ID: 437
Signed-off-by: Sarosh Arif <sarosh.arif@emumba.com>
---
examples/packet_ordering/main.c | 51 ++++++++++++++++++++++++++-------
1 file changed, 41 insertions(+), 10 deletions(-)
diff --git a/examples/packet_ordering/main.c b/examples/packet_ordering/main.c
index b5fc6c54b..49326d015 100644
--- a/examples/packet_ordering/main.c
+++ b/examples/packet_ordering/main.c
@@ -653,6 +653,17 @@ tx_thread(struct rte_ring *ring_in)
return 0;
}
+static void
+stop_and_close_eth_dev(uint16_t port_id)
+{
+ RTE_ETH_FOREACH_DEV(port_id) {
+ printf("Closing port %d...", port_id);
+ rte_eth_dev_stop(port_id);
+ rte_eth_dev_close(port_id);
+ printf(" Done\n");
+ }
+}
+
int
main(int argc, char **argv)
{
@@ -683,25 +694,31 @@ main(int argc, char **argv)
rte_exit(EXIT_FAILURE, "Invalid packet_ordering arguments\n");
/* Check if we have enought cores */
- if (rte_lcore_count() < 3)
+ if (rte_lcore_count() < 3) {
+ stop_and_close_eth_dev(port_id);
rte_exit(EXIT_FAILURE, "Error, This application needs at "
"least 3 logical cores to run:\n"
"1 lcore for packet RX\n"
"1 lcore for packet TX\n"
"and at least 1 lcore for worker threads\n");
+ }
nb_ports = rte_eth_dev_count_avail();
if (nb_ports == 0)
- rte_exit(EXIT_FAILURE, "Error: no ethernet ports detected\n");
- if (nb_ports != 1 && (nb_ports & 1))
+ rte_exit(EXIT_FAILURE, "Error: no ethernet ports detected\n");
+ if (nb_ports != 1 && (nb_ports & 1)) {
+ stop_and_close_eth_dev(port_id);
rte_exit(EXIT_FAILURE, "Error: number of ports must be even, except "
"when using a single port\n");
+ }
mbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", MBUF_PER_POOL,
MBUF_POOL_CACHE_SIZE, 0, RTE_MBUF_DEFAULT_BUF_SIZE,
rte_socket_id());
- if (mbuf_pool == NULL)
+ if (mbuf_pool == NULL) {
+ stop_and_close_eth_dev(port_id);
rte_exit(EXIT_FAILURE, "%s\n", rte_strerror(rte_errno));
+ }
nb_ports_available = nb_ports;
@@ -716,12 +733,15 @@ main(int argc, char **argv)
/* init port */
printf("Initializing port %u... done\n", port_id);
- if (configure_eth_port(port_id) != 0)
+ if (configure_eth_port(port_id) != 0) {
+ stop_and_close_eth_dev(port_id);
rte_exit(EXIT_FAILURE, "Cannot initialize port %"PRIu8"\n",
port_id);
+ }
}
if (!nb_ports_available) {
+ stop_and_close_eth_dev(port_id);
rte_exit(EXIT_FAILURE,
"All available ports are disabled. Please set portmask.\n");
}
@@ -729,19 +749,25 @@ main(int argc, char **argv)
/* Create rings for inter core communication */
rx_to_workers = rte_ring_create("rx_to_workers", RING_SIZE, rte_socket_id(),
RING_F_SP_ENQ);
- if (rx_to_workers == NULL)
+ if (rx_to_workers == NULL) {
+ stop_and_close_eth_dev(port_id);
rte_exit(EXIT_FAILURE, "%s\n", rte_strerror(rte_errno));
+ }
workers_to_tx = rte_ring_create("workers_to_tx", RING_SIZE, rte_socket_id(),
RING_F_SC_DEQ);
- if (workers_to_tx == NULL)
+ if (workers_to_tx == NULL) {
+ stop_and_close_eth_dev(port_id);
rte_exit(EXIT_FAILURE, "%s\n", rte_strerror(rte_errno));
+ }
if (!disable_reorder) {
send_args.buffer = rte_reorder_create("PKT_RO", rte_socket_id(),
REORDER_BUFFER_SIZE);
- if (send_args.buffer == NULL)
+ if (send_args.buffer == NULL) {
+ stop_and_close_eth_dev(port_id);
rte_exit(EXIT_FAILURE, "%s\n", rte_strerror(rte_errno));
+ }
}
last_lcore_id = get_last_lcore_id();
@@ -769,12 +795,17 @@ main(int argc, char **argv)
/* Start rx_thread() on the master core */
rx_thread(rx_to_workers);
-
+
RTE_LCORE_FOREACH_SLAVE(lcore_id) {
- if (rte_eal_wait_lcore(lcore_id) < 0)
+ if (rte_eal_wait_lcore(lcore_id) < 0) {
+ stop_and_close_eth_dev(port_id);
+ rte_eal_cleanup();
return -1;
+ }
}
print_stats();
+ stop_and_close_eth_dev(port_id);
+ rte_eal_cleanup();
return 0;
}
--
2.17.1
next reply other threads:[~2020-06-15 8:44 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-15 8:41 Sarosh Arif [this message]
2020-06-15 8:41 ` [dpdk-dev] [PATCH 2/3] examples/rxtx_callbacks: " Sarosh Arif
2020-06-15 8:41 ` [dpdk-dev] [PATCH 3/3] examples/skeleton: " Sarosh Arif
2020-06-17 4:01 ` [dpdk-dev] [PATCH v2 1/3] examples/packet_ordering: " Sarosh Arif
2020-06-17 4:01 ` [dpdk-dev] [PATCH v2 2/3] examples/rxtx_callbacks: " Sarosh Arif
2020-06-17 4:01 ` [dpdk-dev] [PATCH v2 3/3] examples/skeleton: " Sarosh Arif
2020-06-23 10:48 ` [dpdk-dev] [PATCH v2 1/3] examples/packet_ordering: " Pattan, Reshma
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