This patch use testpmd for example to show how to use failure handle mechanism for hotplug in app.
Signed-off-by: Jeff Guo <[email protected]> --- v10->v9: use new APIs to manage hotplug handling. --- app/test-pmd/testpmd.c | 27 ++++++++++++++++++++++----- 1 file changed, 22 insertions(+), 5 deletions(-) diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c index ee48db2..12fc497 100644 --- a/app/test-pmd/testpmd.c +++ b/app/test-pmd/testpmd.c @@ -2098,14 +2098,22 @@ pmd_test_exit(void) if (hot_plug) { ret = rte_dev_event_monitor_stop(); - if (ret) + if (ret) { RTE_LOG(ERR, EAL, "fail to stop device event monitor."); + return; + } ret = eth_dev_event_callback_unregister(); if (ret) + return; + + ret = rte_dev_hotplug_handle_disable(); + if (ret) { RTE_LOG(ERR, EAL, - "fail to unregister all event callbacks."); + "fail to disable hotplug handling."); + return; + } } printf("\nBye...\n"); @@ -2784,14 +2792,23 @@ main(int argc, char** argv) init_config(); if (hot_plug) { - /* enable hot plug monitoring */ + ret = rte_dev_hotplug_handle_enable(); + if (ret) { + RTE_LOG(ERR, EAL, + "fail to enable hotplug handling."); + return -1; + } + ret = rte_dev_event_monitor_start(); if (ret) { - rte_errno = EINVAL; + RTE_LOG(ERR, EAL, + "fail to start device event monitoring."); return -1; } - eth_dev_event_callback_register(); + ret = eth_dev_event_callback_register(); + if (ret) + return -1; } if (start_port(RTE_PORT_ALL) != 0) -- 2.7.4
