[dpdk-dev] [PATCH v2 10/11] examples/l3fwd: add graceful teardown for eventdevice

[pbhagavatula]

From: Pavan Nikhilesh <pbhagavat...@marvell.com>

Add graceful teardown that addresses both event mode and poll mode.

Signed-off-by: Pavan Nikhilesh <pbhagavat...@marvell.com>
---
 examples/l3fwd/main.c | 49 ++++++++++++++++++++++++++++++-------------
 1 file changed, 34 insertions(+), 15 deletions(-)

diff --git a/examples/l3fwd/main.c b/examples/l3fwd/main.c
index 0ae64dd41..68998f42c 100644
--- a/examples/l3fwd/main.c
+++ b/examples/l3fwd/main.c
@@ -920,7 +920,7 @@ main(int argc, char **argv)
        struct lcore_conf *qconf;
        struct rte_eth_dev_info dev_info;
        struct rte_eth_txconf *txconf;
-       int ret;
+       int i, ret;
        unsigned nb_ports;
        uint16_t queueid, portid;
        unsigned lcore_id;
@@ -1195,27 +1195,46 @@ main(int argc, char **argv)
                }
        }
 
-
        check_all_ports_link_status(enabled_port_mask);
 
        ret = 0;
        /* launch per-lcore init on every lcore */
        rte_eal_mp_remote_launch(l3fwd_lkp.main_loop, NULL, CALL_MASTER);
-       RTE_LCORE_FOREACH_SLAVE(lcore_id) {
-               if (rte_eal_wait_lcore(lcore_id) < 0) {
-                       ret = -1;
-                       break;
+       if (evt_rsrc->enabled) {
+               for (i = 0; i < evt_rsrc->rx_adptr.nb_rx_adptr; i++)
+                       rte_event_eth_rx_adapter_stop(
+                                       evt_rsrc->rx_adptr.rx_adptr[i]);
+               for (i = 0; i < evt_rsrc->tx_adptr.nb_tx_adptr; i++)
+                       rte_event_eth_tx_adapter_stop(
+                                       evt_rsrc->tx_adptr.tx_adptr[i]);
+
+               RTE_ETH_FOREACH_DEV(portid) {
+                       if ((enabled_port_mask & (1 << portid)) == 0)
+                               continue;
+                       rte_eth_dev_stop(portid);
                }
-       }
 
-       /* stop ports */
-       RTE_ETH_FOREACH_DEV(portid) {
-               if ((enabled_port_mask & (1 << portid)) == 0)
-                       continue;
-               printf("Closing port %d...", portid);
-               rte_eth_dev_stop(portid);
-               rte_eth_dev_close(portid);
-               printf(" Done\n");
+               rte_eal_mp_wait_lcore();
+               RTE_ETH_FOREACH_DEV(portid) {
+                       if ((enabled_port_mask & (1 << portid)) == 0)
+                               continue;
+                       rte_eth_dev_close(portid);
+               }
+
+               rte_event_dev_stop(evt_rsrc->event_d_id);
+               rte_event_dev_close(evt_rsrc->event_d_id);
+
+       } else {
+               rte_eal_mp_wait_lcore();
+
+               RTE_ETH_FOREACH_DEV(portid) {
+                       if ((enabled_port_mask & (1 << portid)) == 0)
+                               continue;
+                       printf("Closing port %d...", portid);
+                       rte_eth_dev_stop(portid);
+                       rte_eth_dev_close(portid);
+                       printf(" Done\n");
+               }
        }
        printf("Bye...\n");
 
-- 
2.17.1