[dpdk-dev] [PATCH 05/13] examples/eventdev: add ops to check cmdline args
Pavan Nikhilesh
pbhagavatula at caviumnetworks.com
Thu Dec 7 21:36:57 CET 2017
Each eventdev pipeline needs to allow different cmdline args combination
based on pipeline type.
Signed-off-by: Pavan Nikhilesh <pbhagavatula at caviumnetworks.com>
---
examples/eventdev_pipeline_sw_pmd/main.c | 16 +++------
.../eventdev_pipeline_sw_pmd/pipeline_common.h | 4 +++
.../pipeline_worker_generic.c | 40 ++++++++++++++++++++++
3 files changed, 49 insertions(+), 11 deletions(-)
diff --git a/examples/eventdev_pipeline_sw_pmd/main.c b/examples/eventdev_pipeline_sw_pmd/main.c
index bd53acf76..2e80841d0 100644
--- a/examples/eventdev_pipeline_sw_pmd/main.c
+++ b/examples/eventdev_pipeline_sw_pmd/main.c
@@ -254,17 +254,11 @@ parse_app_args(int argc, char **argv)
}
}
- if (worker_lcore_mask == 0 || rx_lcore_mask == 0 ||
- sched_lcore_mask == 0 || tx_lcore_mask == 0) {
- printf("Core part of pipeline was not assigned any cores. "
- "This will stall the pipeline, please check core masks "
- "(use -h for details on setting core masks):\n"
- "\trx: %"PRIu64"\n\ttx: %"PRIu64"\n\tsched: %"PRIu64
- "\n\tworkers: %"PRIu64"\n",
- rx_lcore_mask, tx_lcore_mask, sched_lcore_mask,
- worker_lcore_mask);
- rte_exit(-1, "Fix core masks\n");
- }
+ cdata.worker_lcore_mask = worker_lcore_mask;
+ cdata.sched_lcore_mask = sched_lcore_mask;
+ cdata.rx_lcore_mask = rx_lcore_mask;
+ cdata.tx_lcore_mask = tx_lcore_mask;
+
if (cdata.num_stages == 0 || cdata.num_stages > MAX_NUM_STAGES)
usage();
diff --git a/examples/eventdev_pipeline_sw_pmd/pipeline_common.h b/examples/eventdev_pipeline_sw_pmd/pipeline_common.h
index 0f3426a3a..a5837c99b 100644
--- a/examples/eventdev_pipeline_sw_pmd/pipeline_common.h
+++ b/examples/eventdev_pipeline_sw_pmd/pipeline_common.h
@@ -111,6 +111,10 @@ struct config_data {
int16_t next_qid[MAX_NUM_STAGES+2];
int16_t qid[MAX_NUM_STAGES];
uint8_t rx_adapter_id;
+ uint64_t worker_lcore_mask;
+ uint64_t rx_lcore_mask;
+ uint64_t tx_lcore_mask;
+ uint64_t sched_lcore_mask;
};
struct port_link {
diff --git a/examples/eventdev_pipeline_sw_pmd/pipeline_worker_generic.c b/examples/eventdev_pipeline_sw_pmd/pipeline_worker_generic.c
index 032a4f2d2..a72b7b2f9 100644
--- a/examples/eventdev_pipeline_sw_pmd/pipeline_worker_generic.c
+++ b/examples/eventdev_pipeline_sw_pmd/pipeline_worker_generic.c
@@ -370,6 +370,45 @@ init_rx_adapter(uint16_t nb_ports)
cdata.rx_adapter_id);
}
+static void
+generic_opt_check(void)
+{
+ int i;
+ int ret;
+ uint32_t cap = 0;
+ uint8_t rx_needed = 0;
+ struct rte_event_dev_info eventdev_info;
+
+ memset(&eventdev_info, 0, sizeof(struct rte_event_dev_info));
+ rte_event_dev_info_get(0, &eventdev_info);
+
+ for (i = 0; i < rte_eth_dev_count(); i++) {
+ ret = rte_event_eth_rx_adapter_caps_get(0, i, &cap);
+ if (ret)
+ rte_exit(EXIT_FAILURE,
+ "failed to get event rx adapter "
+ "capabilities");
+ rx_needed |=
+ !(cap & RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT);
+ }
+
+ if (cdata.worker_lcore_mask == 0 ||
+ (rx_needed && cdata.rx_lcore_mask == 0) ||
+ cdata.tx_lcore_mask == 0 || (cdata.sched_lcore_mask == 0
+ && !(eventdev_info.event_dev_cap &
+ RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED))) {
+ printf("Core part of pipeline was not assigned any cores. "
+ "This will stall the pipeline, please check core masks "
+ "(use -h for details on setting core masks):\n"
+ "\trx: %"PRIu64"\n\ttx: %"PRIu64"\n\tsched: %"PRIu64
+ "\n\tworkers: %"PRIu64"\n",
+ cdata.rx_lcore_mask, cdata.tx_lcore_mask,
+ cdata.sched_lcore_mask,
+ cdata.worker_lcore_mask);
+ rte_exit(-1, "Fix core masks\n");
+ }
+}
+
void
set_worker_generic_setup_data(struct setup_data *caps, bool burst)
{
@@ -377,6 +416,7 @@ set_worker_generic_setup_data(struct setup_data *caps, bool burst)
caps->consumer_loop = consumer_burst;
caps->worker_loop = worker_generic_burst;
+ caps->opt_check = generic_opt_check;
caps->rx_adapter_setup = init_rx_adapter;
caps->schedule_loop = schedule_devices;
caps->eventdev_setup = setup_eventdev_cw;
--
2.14.1
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