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examples/eventdev: add ops to check cmdline args

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Each eventdev pipeline needs to allow different cmdline args combination
based on pipeline type.

Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
Acked-by: Harry van Haaren <harry.van.haaren@intel.com>
This commit is contained in:
Pavan Nikhilesh 2018-01-10 16:40:03 +05:30 committed by Jerin Jacob
parent 81fb40f95c
commit ace2f9a705
3 changed files with 52 additions and 11 deletions
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16
examples/eventdev_pipeline_sw_pmd/main.c
View File

@ -225,17 +225,11 @@ 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();

4
examples/eventdev_pipeline_sw_pmd/pipeline_common.h
View File

@ -82,6 +82,10 @@ 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 {

43
examples/eventdev_pipeline_sw_pmd/pipeline_worker_generic.c
View File

@ -385,6 +385,48 @@ 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");
}
if (eventdev_info.event_dev_cap & RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED)
memset(fdata->sched_core, 0,
sizeof(unsigned int) * MAX_NUM_CORE);
}
void
set_worker_generic_setup_data(struct setup_data *caps, bool burst)
{
@ -395,4 +437,5 @@ set_worker_generic_setup_data(struct setup_data *caps, bool burst)
caps->adptr_setup = init_rx_adapter;
caps->scheduler = schedule_devices;
caps->evdev_setup = setup_eventdev_generic;
caps->check_opt = generic_opt_check;
}