rte_eth_dev_reset is claimed as an async API, so re-work on the device reset handling.
Signed-off-by: Qi Zhang <qi.z.zh...@intel.com> --- app/test-pmd/testpmd.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 54 insertions(+), 1 deletion(-) diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c index ee48db2a3..24d5c5d9c 100644 --- a/app/test-pmd/testpmd.c +++ b/app/test-pmd/testpmd.c @@ -1918,6 +1918,59 @@ close_port(portid_t pid) printf("Done\n"); } +static pthread_mutex_t dev_reset_lock; +static pthread_cond_t dev_reset_cond; +static int reset_status; + +static int +on_reset_complete(__rte_unused uint16_t port_id, + __rte_unused enum rte_eth_event_type event, + __rte_unused void *cb_arg, + void *ret_param) +{ + RTE_ASSERT(event == RTE_ETH_EVENT_RESET_COMPLETE); + + pthread_cond_broadcast(&dev_reset_cond); + + reset_status = *(int *)ret_param; + return 0; +} + +static int +do_dev_reset_sync(portid_t pid) +{ + int ret; + + pthread_mutex_init(&dev_reset_lock, NULL); + pthread_cond_init(&dev_reset_cond, NULL); + + ret = rte_eth_dev_callback_register(pid, + RTE_ETH_EVENT_RESET_COMPLETE, + on_reset_complete, NULL); + + if (ret) { + printf("Fail to reigster callback function\n"); + return ret; + } + + ret = rte_eth_dev_reset(pid); + if (ret) + goto finish; + + pthread_mutex_lock(&dev_reset_lock); + pthread_cond_wait(&dev_reset_cond, &dev_reset_lock); + pthread_mutex_unlock(&dev_reset_lock); + + ret = reset_status; + +finish: + rte_eth_dev_callback_unregister(pid, + RTE_ETH_EVENT_RESET_COMPLETE, + on_reset_complete, NULL); + + return ret; +} + void reset_port(portid_t pid) { @@ -1946,7 +1999,7 @@ reset_port(portid_t pid) continue; } - diag = rte_eth_dev_reset(pi); + diag = do_dev_reset_sync(pi); if (diag == 0) { port = &ports[pi]; port->need_reconfig = 1; -- 2.13.6