[dpdk-dev] [PATCH 1/5] examples/l2fwd-event: free resources in case of error
Muhammad Bilal
m.bilal at emumba.com
Tue May 19 10:54:40 CEST 2020
Freeing the resources and call rte_eal_cleanup in case of error exit.
Signed-off-by: Muhammad Bilal <m.bilal at emumba.com>
---
examples/l2fwd-event/main.c | 43 ++++++++++++++++++++++++++++++-------
1 file changed, 35 insertions(+), 8 deletions(-)
diff --git a/examples/l2fwd-event/main.c b/examples/l2fwd-event/main.c
index 9593ef11e..442a664e9 100644
--- a/examples/l2fwd-event/main.c
+++ b/examples/l2fwd-event/main.c
@@ -556,13 +556,26 @@ signal_handler(int signum)
}
}
+static void
+stop_and_close_eth_dev(uint16_t portid)
+{
+ RTE_ETH_FOREACH_DEV(portid) {
+ printf("Closing port %d...", portid);
+ rte_eth_dev_stop(portid);
+ rte_eth_dev_close(portid);
+ printf(" Done\n");
+ }
+ rte_eal_cleanup();
+}
+
int
main(int argc, char **argv)
{
struct l2fwd_resources *rsrc;
uint16_t nb_ports_available = 0;
uint32_t nb_ports_in_mask = 0;
- uint16_t port_id, last_port;
+ uint16_t port_id = 0;
+ uint16_t last_port;
uint32_t nb_mbufs;
uint16_t nb_ports;
int i, ret;
@@ -581,20 +594,26 @@ main(int argc, char **argv)
/* parse application arguments (after the EAL ones) */
ret = l2fwd_event_parse_args(argc, argv, rsrc);
- if (ret < 0)
+ if (ret < 0) {
+ stop_and_close_eth_dev(port_id);
rte_panic("Invalid L2FWD arguments\n");
+ }
printf("MAC updating %s\n", rsrc->mac_updating ? "enabled" :
"disabled");
nb_ports = rte_eth_dev_count_avail();
- if (nb_ports == 0)
+ if (nb_ports == 0) {
+ stop_and_close_eth_dev(port_id);
rte_panic("No Ethernet ports - bye\n");
+ }
/* check port mask to possible port mask */
- if (rsrc->enabled_port_mask & ~((1 << nb_ports) - 1))
+ if (rsrc->enabled_port_mask & ~((1 << nb_ports) - 1)) {
+ stop_and_close_eth_dev(port_id);
rte_panic("Invalid portmask; possible (0x%x)\n",
(1 << nb_ports) - 1);
+ }
if (!rsrc->port_pairs) {
last_port = 0;
@@ -621,8 +640,10 @@ main(int argc, char **argv)
rsrc->dst_ports[last_port] = last_port;
}
} else {
- if (check_port_pair_config(rsrc) < 0)
+ if (check_port_pair_config(rsrc) < 0) {
+ stop_and_close_eth_dev(port_id);
rte_panic("Invalid port pair config\n");
+ }
}
nb_mbufs = RTE_MAX(nb_ports * (RTE_TEST_RX_DESC_DEFAULT +
@@ -634,12 +655,16 @@ main(int argc, char **argv)
rsrc->pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool",
nb_mbufs, MEMPOOL_CACHE_SIZE, 0,
RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
- if (rsrc->pktmbuf_pool == NULL)
+ if (rsrc->pktmbuf_pool == NULL) {
+ stop_and_close_eth_dev(port_id);
rte_panic("Cannot init mbuf pool\n");
+ }
nb_ports_available = l2fwd_event_init_ports(rsrc);
- if (!nb_ports_available)
+ if (!nb_ports_available) {
+ stop_and_close_eth_dev(port_id);
rte_panic("All available ports are disabled. Please set portmask.\n");
+ }
/* Configure eventdev parameters if required */
if (rsrc->event_mode)
@@ -659,9 +684,11 @@ main(int argc, char **argv)
continue;
ret = rte_eth_dev_start(port_id);
- if (ret < 0)
+ if (ret < 0) {
+ stop_and_close_eth_dev(port_id);
rte_panic("rte_eth_dev_start:err=%d, port=%u\n", ret,
port_id);
+ }
}
if (rsrc->event_mode)
--
2.17.1
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