Fix a m_buf pool was not freed bug for test and support CPPC cpufreq for l3fwd-power.

Patchs are as follow:
 - test/mbuf: fix mbuf reset test
 - examples/l3fwd-power: support CPPC cpufreq

0255-test-mbuf-fix-mbuf-reset-test.patch

@@ -0,0 +1,35 @@
+From b6f800b2897f8e2008d0897ceaa491a357eab1cf Mon Sep 17 00:00:00 2001
+From: Jie Hai <haijie1@huawei.com>
+Date: Tue, 31 Jan 2023 10:48:51 +0800
+Subject: test/mbuf: fix mbuf reset test
+
+[ upstream commit bf47fb83a61a4bc6bf45e1ec6e3ddd239a856190 ]
+
+Retest "mbuf_autotest" will fail because the mbuf pool was
+not freed after previous test successful done.
+This patch fixes it.
+
+Fixes: efc6f9104c80 ("mbuf: fix reset on mbuf free")
+Cc: stable@dpdk.org
+
+Signed-off-by: Jie Hai <haijie1@huawei.com>
+Reviewed-by: David Marchand <david.marchand@redhat.com>
+---
+ app/test/test_mbuf.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/app/test/test_mbuf.c b/app/test/test_mbuf.c
+index f54d1d7c00..cd9f8fd8cf 100644
+--- a/app/test/test_mbuf.c
++++ b/app/test/test_mbuf.c
+@@ -2769,6 +2769,7 @@ test_nb_segs_and_next_reset(void)
+ 			m2->nb_segs != 1 || m2->next != NULL)
+ 		GOTO_FAIL("nb_segs or next was not reset properly");
+ 
++	rte_mempool_free(pool);
+ 	return 0;
+ 
+ fail:
+-- 
+2.23.0
+

0256-examples-l3fwd-power-support-CPPC-cpufreq.patch

@@ -0,0 +1,53 @@
+From 9f45602b8df4c7a0eca4228ab94de824b1c5337b Mon Sep 17 00:00:00 2001
+From: Jie Hai <haijie1@huawei.com>
+Date: Tue, 31 Jan 2023 10:58:52 +0800
+Subject: examples/l3fwd-power: support CPPC cpufreq
+
+[ upstream commit bc6fe48468767df2b6a31c9de06796164981cbaf ]
+
+Currently the l3fwd-power only supports ACPI cpufreq and Pstate
+cpufreq, This patch adds CPPC cpufreq.
+
+Signed-off-by: Jie Hai <haijie1@huawei.com>
+Acked-by: David Hunt <david.hunt@intel.com>
+Acked-by: Dongdong Liu <liudongdong3@huawei.com>
+---
+ examples/l3fwd-power/main.c | 9 ++++++---
+ 1 file changed, 6 insertions(+), 3 deletions(-)
+
+diff --git a/examples/l3fwd-power/main.c b/examples/l3fwd-power/main.c
+index 20e5b59af9..a2eb35d6e2 100644
+--- a/examples/l3fwd-power/main.c
++++ b/examples/l3fwd-power/main.c
+@@ -2290,9 +2290,10 @@ init_power_library(void)
+ 		/* we're not supporting the VM channel mode */
+ 		env = rte_power_get_env();
+ 		if (env != PM_ENV_ACPI_CPUFREQ &&
+-				env != PM_ENV_PSTATE_CPUFREQ) {
++				env != PM_ENV_PSTATE_CPUFREQ &&
++				env != PM_ENV_CPPC_CPUFREQ) {
+ 			RTE_LOG(ERR, POWER,
+-				"Only ACPI and PSTATE mode are supported\n");
++				"Only ACPI, PSTATE and CPPC mode are supported\n");
+ 			return -1;
+ 		}
+ 	}
+@@ -2456,12 +2457,14 @@ autodetect_mode(void)
+ 	/*
+ 	 * Empty poll and telemetry modes have to be specifically requested to
+ 	 * be enabled, but we can auto-detect between interrupt mode with or
+-	 * without frequency scaling. Both ACPI and pstate can be used.
++	 * without frequency scaling. Any of ACPI, pstate and CPPC can be used.
+ 	 */
+ 	if (rte_power_check_env_supported(PM_ENV_ACPI_CPUFREQ))
+ 		return APP_MODE_LEGACY;
+ 	if (rte_power_check_env_supported(PM_ENV_PSTATE_CPUFREQ))
+ 		return APP_MODE_LEGACY;
++	if (rte_power_check_env_supported(PM_ENV_CPPC_CPUFREQ))
++		return APP_MODE_LEGACY;
+ 
+ 	RTE_LOG(NOTICE, L3FWD_POWER, "Frequency scaling not supported, selecting interrupt-only mode\n");
+ 
+-- 
+2.23.0
+

dpdk.spec

@@ -1,6 +1,6 @@
 Name: dpdk
 Version: 21.11
-Release: 35
+Release: 36
 Packager: packaging@6wind.com
 URL: http://dpdk.org
 %global source_version  21.11
@@ -272,6 +272,8 @@ Patch9251:    0251-net-hns3-allow-adding-queue-buffer-size-hash-rule.patch
 Patch9252:    0252-net-hns3-separate-flow-RSS-config-from-RSS-conf.patch
 Patch9253:    0253-net-hns3-reimplement-hash-flow-function.patch
 Patch9254:    0254-net-hns3-add-verification-of-RSS-types.patch
+Patch9255:    0255-test-mbuf-fix-mbuf-reset-test.patch
+Patch9256:    0256-examples-l3fwd-power-support-CPPC-cpufreq.patch
 
 Summary: Data Plane Development Kit core
 Group: System Environment/Libraries
@@ -414,6 +416,12 @@ strip -g $RPM_BUILD_ROOT/lib/modules/%{kern_devel_ver}/extra/dpdk/igb_uio.ko
 /usr/sbin/depmod
 
 %changelog
+* Thu Mar 23 2023 chenjiji <chenjiji09@163.com> - 21.11-36
+ Fix a m_buf pool was not freed bugs for test and support
+ CPPC cpufreq for l3fwd-power. Patchs are as follow:
+  - test/mbuf: fix mbuf reset test
+  - examples/l3fwd-power: support CPPC cpufreq
+
 * Wed Mar 15 2023 chenjiji <chenjiji09@163.com> - 21.11-35
  Fix some RSS bugs and reimplement hash flow function for hns3:
   - fix some RSS bugs and optimize RSS codes for hns3