patches for DPDK stable branches
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From: Kevin Traynor <ktraynor@redhat.com>
To: Lukasz Wojciechowski <l.wojciechow@partner.samsung.com>
Cc: David Hunt <david.hunt@intel.com>, dpdk stable <stable@dpdk.org>
Subject: [dpdk-stable] patch 'test/distributor: fix freeing mbufs' has been queued to LTS release 18.11.11
Date: Wed, 18 Nov 2020 16:35:10 +0000
Message-ID: <20201118163558.1101823-24-ktraynor@redhat.com> (raw)
In-Reply-To: <20201118163558.1101823-1-ktraynor@redhat.com>

Hi,

FYI, your patch has been queued to LTS release 18.11.11

Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
It will be pushed if I get no objections before 11/24/20. So please
shout if anyone has objections.

Also note that after the patch there's a diff of the upstream commit vs the
patch applied to the branch. This will indicate if there was any rebasing
needed to apply to the stable branch. If there were code changes for rebasing
(ie: not only metadata diffs), please double check that the rebase was
correctly done.

Queued patches are on a temporary branch at:
https://github.com/kevintraynor/dpdk-stable-queue

This queued commit can be viewed at:
https://github.com/kevintraynor/dpdk-stable-queue/commit/2a9389bb63bba97f79d389dd806581388b2524f5

Thanks.

Kevin.

---
From 2a9389bb63bba97f79d389dd806581388b2524f5 Mon Sep 17 00:00:00 2001
From: Lukasz Wojciechowski <l.wojciechow@partner.samsung.com>
Date: Sat, 17 Oct 2020 05:06:51 +0200
Subject: [PATCH] test/distributor: fix freeing mbufs

[ upstream commit 13b13100eaf6de02e2be428dc4ff5099ba796ab5 ]

Sanity tests with mbuf alloc and shutdown tests assume that
mbufs passed to worker cores are freed in handlers.
Such packets should not be returned to the distributor's main
core. The only packets that should be returned are the packets
send after completion of the tests in quit_workers function.

This patch stops returning mbufs to distributor's core.
In case of shutdown tests it is impossible to determine
how worker and distributor threads would synchronize.
Packets used by tests should be freed and packets used during
quit_workers() shouldn't. That's why returning mbufs to mempool
is moved to test procedure run on distributor thread
from worker threads.

Additionally this patch cleans up unused variables.

Fixes: c0de0eb82e40 ("distributor: switch over to new API")

Signed-off-by: Lukasz Wojciechowski <l.wojciechow@partner.samsung.com>
Acked-by: David Hunt <david.hunt@intel.com>
---
 test/test/test_distributor.c | 67 ++++++++++++++++++------------------
 1 file changed, 33 insertions(+), 34 deletions(-)

diff --git a/test/test/test_distributor.c b/test/test/test_distributor.c
index 45b4b22b43..d13e38f062 100644
--- a/test/test/test_distributor.c
+++ b/test/test/test_distributor.c
@@ -64,5 +64,5 @@ handle_work(void *arg)
 	struct worker_params *wp = arg;
 	struct rte_distributor *db = wp->dist;
-	unsigned int count = 0, num;
+	unsigned int num;
 	unsigned int id = __sync_fetch_and_add(&worker_idx, 1);
 
@@ -71,5 +71,4 @@ handle_work(void *arg)
 		__atomic_fetch_add(&worker_stats[id].handled_packets, num,
 				__ATOMIC_RELAXED);
-		count += num;
 		num = rte_distributor_get_pkt(db, id,
 				buf, buf, num);
@@ -77,5 +76,4 @@ handle_work(void *arg)
 	__atomic_fetch_add(&worker_stats[id].handled_packets, num,
 			__ATOMIC_RELAXED);
-	count += num;
 	rte_distributor_return_pkt(db, id, buf, num);
 	return 0;
@@ -269,5 +267,4 @@ handle_work_with_free_mbufs(void *arg)
 	struct worker_params *wp = arg;
 	struct rte_distributor *d = wp->dist;
-	unsigned int count = 0;
 	unsigned int i;
 	unsigned int num;
@@ -277,5 +274,4 @@ handle_work_with_free_mbufs(void *arg)
 	while (!quit) {
 		worker_stats[id].handled_packets += num;
-		count += num;
 		for (i = 0; i < num; i++)
 			rte_pktmbuf_free(buf[i]);
@@ -283,5 +279,4 @@ handle_work_with_free_mbufs(void *arg)
 	}
 	worker_stats[id].handled_packets += num;
-	count += num;
 	rte_distributor_return_pkt(d, id, buf, num);
 	return 0;
@@ -309,5 +304,4 @@ sanity_test_with_mbuf_alloc(struct worker_params *wp, struct rte_mempool *p)
 		for (j = 0; j < BURST; j++) {
 			bufs[j]->hash.usr = (i+j) << 1;
-			rte_mbuf_refcnt_set(bufs[j], 1);
 		}
 
@@ -333,13 +327,8 @@ static int
 handle_work_for_shutdown_test(void *arg)
 {
-	struct rte_mbuf *pkt = NULL;
 	struct rte_mbuf *buf[8] __rte_cache_aligned;
 	struct worker_params *wp = arg;
 	struct rte_distributor *d = wp->dist;
-	unsigned int count = 0;
 	unsigned int num;
-	unsigned int total = 0;
-	unsigned int i;
-	unsigned int returned = 0;
 	unsigned int zero_id = 0;
 	unsigned int zero_unset;
@@ -359,7 +348,4 @@ handle_work_for_shutdown_test(void *arg)
 	while (!quit && !(id == zero_id && zero_quit)) {
 		worker_stats[id].handled_packets += num;
-		count += num;
-		for (i = 0; i < num; i++)
-			rte_pktmbuf_free(buf[i]);
 		num = rte_distributor_get_pkt(d, id, buf, NULL, 0);
 
@@ -370,12 +356,10 @@ handle_work_for_shutdown_test(void *arg)
 		}
 		zero_id = __atomic_load_n(&zero_idx, __ATOMIC_ACQUIRE);
-
-		total += num;
 	}
 	worker_stats[id].handled_packets += num;
-	count += num;
-	returned = rte_distributor_return_pkt(d, id, buf, num);
 
 	if (id == zero_id) {
+		rte_distributor_return_pkt(d, id, NULL, 0);
+
 		/* for worker zero, allow it to restart to pick up last packet
 		 * when all workers are shutting down.
@@ -388,12 +372,8 @@ handle_work_for_shutdown_test(void *arg)
 		while (!quit) {
 			worker_stats[id].handled_packets += num;
-			count += num;
-			rte_pktmbuf_free(pkt);
 			num = rte_distributor_get_pkt(d, id, buf, NULL, 0);
 		}
-		returned = rte_distributor_return_pkt(d,
-				id, buf, num);
-		printf("Num returned = %d\n", returned);
 	}
+	rte_distributor_return_pkt(d, id, buf, num);
 	return 0;
 }
@@ -411,5 +391,7 @@ sanity_test_with_worker_shutdown(struct worker_params *wp,
 	struct rte_distributor *d = wp->dist;
 	struct rte_mbuf *bufs[BURST];
-	unsigned i;
+	struct rte_mbuf *bufs2[BURST];
+	unsigned int i;
+	unsigned int failed = 0;
 
 	printf("=== Sanity test of worker shutdown ===\n");
@@ -437,14 +419,15 @@ sanity_test_with_worker_shutdown(struct worker_params *wp,
 
 	/* get more buffers to queue up, again setting them to the same flow */
-	if (rte_mempool_get_bulk(p, (void *)bufs, BURST) != 0) {
+	if (rte_mempool_get_bulk(p, (void *)bufs2, BURST) != 0) {
 		printf("line %d: Error getting mbufs from pool\n", __LINE__);
+		rte_mempool_put_bulk(p, (void *)bufs, BURST);
 		return -1;
 	}
 	for (i = 0; i < BURST; i++)
-		bufs[i]->hash.usr = 1;
+		bufs2[i]->hash.usr = 1;
 
 	/* get worker zero to quit */
 	zero_quit = 1;
-	rte_distributor_process(d, bufs, BURST);
+	rte_distributor_process(d, bufs2, BURST);
 
 	/* flush the distributor */
@@ -460,7 +443,13 @@ sanity_test_with_worker_shutdown(struct worker_params *wp,
 				"Expected %u, got %u\n",
 				__LINE__, BURST * 2, total_packet_count());
-		return -1;
+		failed = 1;
 	}
 
+	rte_mempool_put_bulk(p, (void *)bufs, BURST);
+	rte_mempool_put_bulk(p, (void *)bufs2, BURST);
+
+	if (failed)
+		return -1;
+
 	printf("Sanity test with worker shutdown passed\n\n");
 	return 0;
@@ -476,5 +465,6 @@ test_flush_with_worker_shutdown(struct worker_params *wp,
 	struct rte_distributor *d = wp->dist;
 	struct rte_mbuf *bufs[BURST];
-	unsigned i;
+	unsigned int i;
+	unsigned int failed = 0;
 
 	printf("=== Test flush fn with worker shutdown (%s) ===\n", wp->name);
@@ -513,7 +503,12 @@ test_flush_with_worker_shutdown(struct worker_params *wp,
 				"Expected %u, got %u\n",
 				__LINE__, BURST, total_packet_count());
-		return -1;
+		failed = 1;
 	}
 
+	rte_mempool_put_bulk(p, (void *)bufs, BURST);
+
+	if (failed)
+		return -1;
+
 	printf("Flush test with worker shutdown passed\n\n");
 	return 0;
@@ -581,5 +576,8 @@ quit_workers(struct worker_params *wp, struct rte_mempool *p)
 	unsigned i;
 	struct rte_mbuf *bufs[RTE_MAX_LCORE];
-	rte_mempool_get_bulk(p, (void *)bufs, num_workers);
+	if (rte_mempool_get_bulk(p, (void *)bufs, num_workers) != 0) {
+		printf("line %d: Error getting mbufs from pool\n", __LINE__);
+		return;
+	}
 
 	zero_quit = 0;
@@ -589,9 +587,10 @@ quit_workers(struct worker_params *wp, struct rte_mempool *p)
 	rte_distributor_process(d, bufs, num_workers);
 
-	rte_mempool_put_bulk(p, (void *)bufs, num_workers);
-
 	rte_distributor_process(d, NULL, 0);
 	rte_distributor_flush(d);
 	rte_eal_mp_wait_lcore();
+
+	rte_mempool_put_bulk(p, (void *)bufs, num_workers);
+
 	quit = 0;
 	worker_idx = 0;
-- 
2.26.2

---
  Diff of the applied patch vs upstream commit (please double-check if non-empty:
---
--- -	2020-11-18 16:33:38.421356226 +0000
+++ 0024-test-distributor-fix-freeing-mbufs.patch	2020-11-18 16:33:37.929215062 +0000
@@ -1 +1 @@
-From 13b13100eaf6de02e2be428dc4ff5099ba796ab5 Mon Sep 17 00:00:00 2001
+From 2a9389bb63bba97f79d389dd806581388b2524f5 Mon Sep 17 00:00:00 2001
@@ -5,0 +6,2 @@
+[ upstream commit 13b13100eaf6de02e2be428dc4ff5099ba796ab5 ]
+
@@ -23 +24,0 @@
-Cc: stable@dpdk.org
@@ -28 +29 @@
- app/test/test_distributor.c | 67 ++++++++++++++++++-------------------
+ test/test/test_distributor.c | 67 ++++++++++++++++++------------------
@@ -31,4 +32,4 @@
-diff --git a/app/test/test_distributor.c b/app/test/test_distributor.c
-index 6cd7a2edda..ec1fe348ba 100644
---- a/app/test/test_distributor.c
-+++ b/app/test/test_distributor.c
+diff --git a/test/test/test_distributor.c b/test/test/test_distributor.c
+index 45b4b22b43..d13e38f062 100644
+--- a/test/test/test_distributor.c
++++ b/test/test/test_distributor.c
@@ -40 +41 @@
- 	unsigned int id = __atomic_fetch_add(&worker_idx, 1, __ATOMIC_RELAXED);
+ 	unsigned int id = __sync_fetch_and_add(&worker_idx, 1);
@@ -92 +93 @@
-@@ -360,7 +349,4 @@ handle_work_for_shutdown_test(void *arg)
+@@ -359,7 +348,4 @@ handle_work_for_shutdown_test(void *arg)
@@ -100 +101 @@
-@@ -371,12 +357,10 @@ handle_work_for_shutdown_test(void *arg)
+@@ -370,12 +356,10 @@ handle_work_for_shutdown_test(void *arg)
@@ -115 +116 @@
-@@ -389,12 +373,8 @@ handle_work_for_shutdown_test(void *arg)
+@@ -388,12 +372,8 @@ handle_work_for_shutdown_test(void *arg)
@@ -129 +130 @@
-@@ -412,5 +392,7 @@ sanity_test_with_worker_shutdown(struct worker_params *wp,
+@@ -411,5 +391,7 @@ sanity_test_with_worker_shutdown(struct worker_params *wp,
@@ -138 +139 @@
-@@ -438,14 +420,15 @@ sanity_test_with_worker_shutdown(struct worker_params *wp,
+@@ -437,14 +419,15 @@ sanity_test_with_worker_shutdown(struct worker_params *wp,
@@ -157 +158 @@
-@@ -461,7 +444,13 @@ sanity_test_with_worker_shutdown(struct worker_params *wp,
+@@ -460,7 +443,13 @@ sanity_test_with_worker_shutdown(struct worker_params *wp,
@@ -172 +173 @@
-@@ -477,5 +466,6 @@ test_flush_with_worker_shutdown(struct worker_params *wp,
+@@ -476,5 +465,6 @@ test_flush_with_worker_shutdown(struct worker_params *wp,
@@ -180 +181 @@
-@@ -514,7 +504,12 @@ test_flush_with_worker_shutdown(struct worker_params *wp,
+@@ -513,7 +503,12 @@ test_flush_with_worker_shutdown(struct worker_params *wp,
@@ -194 +195 @@
-@@ -582,5 +577,8 @@ quit_workers(struct worker_params *wp, struct rte_mempool *p)
+@@ -581,5 +576,8 @@ quit_workers(struct worker_params *wp, struct rte_mempool *p)
@@ -204 +205 @@
-@@ -590,9 +588,10 @@ quit_workers(struct worker_params *wp, struct rte_mempool *p)
+@@ -589,9 +587,10 @@ quit_workers(struct worker_params *wp, struct rte_mempool *p)


  parent reply	other threads:[~2020-11-18 16:37 UTC|newest]

Thread overview: 72+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-18 16:34 [dpdk-stable] patch 'net/netvsc: check for overflow on packet info from host' " Kevin Traynor
2020-11-18 16:34 ` [dpdk-stable] patch 'net/netvsc: replace compiler builtin overflow check' " Kevin Traynor
2020-11-18 16:34 ` [dpdk-stable] patch 'eventdev: check allocation in Tx adapter' " Kevin Traynor
2020-11-18 16:34 ` [dpdk-stable] patch 'event/dpaa2: fix dereference before null check' " Kevin Traynor
2020-11-18 16:34 ` [dpdk-stable] patch 'eventdev: fix adapter leak in error path' " Kevin Traynor
2020-11-18 16:34 ` [dpdk-stable] patch 'test/event: fix function arguments for crypto adapter' " Kevin Traynor
2020-11-18 16:34 ` [dpdk-stable] patch 'eal/x86: fix memcpy AVX-512 enablement' " Kevin Traynor
2020-11-18 16:34 ` [dpdk-stable] patch 'vhost: fix virtio-net header length with packed ring' " Kevin Traynor
2020-11-18 16:34 ` [dpdk-stable] patch 'net/netvsc: fix Tx queue leak in error path' " Kevin Traynor
2020-11-18 16:34 ` [dpdk-stable] patch 'net/bonding: fix possible unbalanced packet receiving' " Kevin Traynor
2020-11-18 16:34 ` [dpdk-stable] patch 'net/bonding: fix Rx queue conversion' " Kevin Traynor
2020-11-18 16:34 ` [dpdk-stable] patch 'net/failsafe: fix state synchro cleanup' " Kevin Traynor
2020-11-18 16:34 ` [dpdk-stable] patch 'net/ring: check internal arguments' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'doc: fix EF10 Rx mode name in sfc guide' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'doc: fix typo in pcap " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'net/bnx2x: add QLogic vendor id for BCM57840' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'ethdev: fix memory ordering for callback functions' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'distributor: fix handshake synchronization' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'distributor: fix handshake deadlock' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'distributor: fix buffer use after free' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'distributor: handle worker shutdown in burst mode' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'test/distributor: fix shutdown of busy worker' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'distributor: fix return pkt calls in single mode' " Kevin Traynor
2020-11-18 16:35 ` Kevin Traynor [this message]
2020-11-18 16:35 ` [dpdk-stable] patch 'test/distributor: fix lcores statistics' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'test/distributor: collect return mbufs' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'distributor: fix API documentation' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'test/distributor: fix race conditions on shutdown' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'distributor: fix scalar matching' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'distributor: fix flushing in flight packets' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'distributor: fix clearing returns buffer' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'test/distributor: fix quitting workers in burst mode' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'test/distributor: fix mbuf leak on failure' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'doc: add SPDX license tag header to meson guide' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'app: fix missing dependencies' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'examples/l2fwd-crypto: fix missing dependency' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'bus/pci: remove unused scan by address' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'eal/linux: fix memory leak in uevent handling' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'efd: fix tailq entry leak in error path' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'eal: fix leak on device event callback unregister' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'mem: fix config name in error logs' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'examples/vm_power: fix build on Ubuntu 20.04' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'examples/multi_process: " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'examples/performance-thread: fix build with low core count' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'baseband/turbo_sw: fix memory leak in error path' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'examples/fips_validation: fix missed version line' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'crypto/dpaa2_sec: remove dead code' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'common/qat: add missing kmod dependency info' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'app/testpmd: fix bonding xmit balance policy command' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'net/i40e: fix virtual channel conflict' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'net/ixgbe: check switch domain allocation result' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'net/i40e: fix QinQ flow pattern to allow non full mask' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'net/ixgbe: fix vector Rx' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'net/i40e: " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'net/fm10k: " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'net/vhost: fix xstats after clearing stats' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'vhost: fix virtqueues metadata allocation' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'vhost: validate index in available entries API' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'vhost: validate index in guest notification " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'net/ena: remove unused macro' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'net/mvpp2: fix memory leak in error path' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'net/netvsc: allocate contiguous physical memory for RNDIS' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'app/testpmd: fix RSS key for flow API RSS rule' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'net/i40e: fix flow director for eth + VLAN pattern' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'net/bnxt: fix resetting mbuf data offset' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'net/vdev_netvsc: fix device probing error flow' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'net/thunderx: fix memory leak on rbdr desc ring failure' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'app/testpmd: do not allow dynamic change of core number' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'ethdev: fix data type for port id' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'fix spellings that Lintian complains about' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'doc: fix typo in KNI guide' " Kevin Traynor
2020-11-18 16:35 ` [dpdk-stable] patch 'ethdev: move non-offload capabilities' " Kevin Traynor

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