[v2,7/7] l3fwd-power: support multiqueue in PMD pmgmt modes

Message ID c3c14f1df7ca1c7ccafd162f38d8d1a5085a9cc3.1624629506.git.anatoly.burakov@intel.com (mailing list archive)
State Superseded, archived
Delegated to: Thomas Monjalon
Headers
Series Enhancements for PMD power management |

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/iol-abi-testing success Testing PASS
ci/github-robot success github build: passed
ci/iol-intel-Functional success Functional Testing PASS
ci/iol-intel-Performance success Performance Testing PASS
ci/iol-testing fail Testing issues
ci/Intel-compilation success Compilation OK
ci/intel-Testing success Testing PASS

Commit Message

Anatoly Burakov June 25, 2021, 2 p.m. UTC
  Currently, l3fwd-power enforces the limitation of having one queue per
lcore. This is no longer necessary, so remove the limitation, and always
mark the last queue in qconf as the power save queue.

Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
---
 examples/l3fwd-power/main.c | 39 +++++++++++++++++++++++--------------
 1 file changed, 24 insertions(+), 15 deletions(-)
  

Patch

diff --git a/examples/l3fwd-power/main.c b/examples/l3fwd-power/main.c
index f8dfed1634..3057c06936 100644
--- a/examples/l3fwd-power/main.c
+++ b/examples/l3fwd-power/main.c
@@ -2498,6 +2498,27 @@  mode_to_str(enum appmode mode)
 	}
 }
 
+static void
+pmd_pmgmt_set_up(unsigned int lcore, uint16_t portid, uint16_t qid, bool last)
+{
+	int ret;
+
+	ret = rte_power_ethdev_pmgmt_queue_enable(lcore, portid,
+			qid, pmgmt_type);
+	if (ret < 0)
+		rte_exit(EXIT_FAILURE,
+			"rte_power_ethdev_pmgmt_queue_enable: err=%d, port=%d\n",
+			ret, portid);
+
+	if (!last)
+		return;
+	ret = rte_power_ethdev_pmgmt_queue_set_power_save(lcore, portid, qid);
+	if (ret < 0)
+		rte_exit(EXIT_FAILURE,
+			"rte_power_ethdev_pmgmt_queue_set_power_save: err=%d, port=%d\n",
+			ret, portid);
+}
+
 int
 main(int argc, char **argv)
 {
@@ -2723,12 +2744,6 @@  main(int argc, char **argv)
 		printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
 		fflush(stdout);
 
-		/* PMD power management mode can only do 1 queue per core */
-		if (app_mode == APP_MODE_PMD_MGMT && qconf->n_rx_queue > 1) {
-			rte_exit(EXIT_FAILURE,
-				"In PMD power management mode, only one queue per lcore is allowed\n");
-		}
-
 		/* init RX queues */
 		for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
 			struct rte_eth_rxconf rxq_conf;
@@ -2767,15 +2782,9 @@  main(int argc, char **argv)
 						 "Fail to add ptype cb\n");
 			}
 
-			if (app_mode == APP_MODE_PMD_MGMT) {
-				ret = rte_power_ethdev_pmgmt_queue_enable(
-						lcore_id, portid, queueid,
-						pmgmt_type);
-				if (ret < 0)
-					rte_exit(EXIT_FAILURE,
-						"rte_power_ethdev_pmgmt_queue_enable: err=%d, port=%d\n",
-							ret, portid);
-			}
+			if (app_mode == APP_MODE_PMD_MGMT)
+				pmd_pmgmt_set_up(lcore_id, portid, queueid,
+					queue == (qconf->n_rx_queue - 1));
 		}
 	}