[PATCH 01/11] service: fix build with clang 15

[PATCH 01/11] service: fix build with clang 15

[David Marchand]

This variable is not used.

Bugzilla ID: 1130
Fixes: 21698354c832 ("service: introduce service cores concept")
Cc: stable@dpdk.org

Signed-off-by: David Marchand <david.marchand@redhat.com>
---
 lib/eal/common/rte_service.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/lib/eal/common/rte_service.c b/lib/eal/common/rte_service.c
index bcc2e19077..42ca1d001d 100644
--- a/lib/eal/common/rte_service.c
+++ b/lib/eal/common/rte_service.c
@@ -107,14 +107,12 @@ rte_service_init(void)
 	}
 
 	int i;
-	int count = 0;
 	struct rte_config *cfg = rte_eal_get_configuration();
 	for (i = 0; i < RTE_MAX_LCORE; i++) {
 		if (lcore_config[i].core_role == ROLE_SERVICE) {
 			if ((unsigned int)i == cfg->main_lcore)
 				continue;
 			rte_service_lcore_add(i);
-			count++;
 		}
 	}
 
-- 
2.38.1

[PATCH 02/11] vhost: fix build with clang 15

[David Marchand]

This variable is not used.

Fixes: abeb86525577 ("vhost: remove copy threshold for async path")
Cc: stable@dpdk.org

Signed-off-by: David Marchand <david.marchand@redhat.com>
---
 lib/vhost/virtio_net.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/lib/vhost/virtio_net.c b/lib/vhost/virtio_net.c
index 4358899718..9abf752f30 100644
--- a/lib/vhost/virtio_net.c
+++ b/lib/vhost/virtio_net.c
@@ -1877,7 +1877,6 @@ virtio_dev_rx_async_submit_packed(struct virtio_net *dev, struct vhost_virtqueue
 	struct rte_mbuf **pkts, uint32_t count, int16_t dma_id, uint16_t vchan_id)
 {
 	uint32_t pkt_idx = 0;
-	uint32_t remained = count;
 	uint16_t n_xfer;
 	uint16_t num_buffers;
 	uint16_t num_descs;
@@ -1903,7 +1902,6 @@ virtio_dev_rx_async_submit_packed(struct virtio_net *dev, struct vhost_virtqueue
 		pkts_info[slot_idx].mbuf = pkts[pkt_idx];
 
 		pkt_idx++;
-		remained--;
 		vq_inc_last_avail_packed(vq, num_descs);
 	} while (pkt_idx < count);
 
-- 
2.38.1

[PATCH 03/11] bus/dpaa: fix build with clang 15

[David Marchand]

This variable is not used.

Fixes: f38f61e982f8 ("bus/dpaa: add BMAN hardware interfaces")
Cc: stable@dpdk.org

Signed-off-by: David Marchand <david.marchand@redhat.com>
---
 drivers/bus/dpaa/base/qbman/bman.h | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/bus/dpaa/base/qbman/bman.h b/drivers/bus/dpaa/base/qbman/bman.h
index 21a6bee778..b2aa93e046 100644
--- a/drivers/bus/dpaa/base/qbman/bman.h
+++ b/drivers/bus/dpaa/base/qbman/bman.h
@@ -519,7 +519,6 @@ static inline int bm_shutdown_pool(struct bm_portal *p, u32 bpid)
 	struct bm_mc_command *bm_cmd;
 	struct bm_mc_result *bm_res;
 
-	int aq_count = 0;
 	bool stop = false;
 
 	while (!stop) {
@@ -532,8 +531,7 @@ static inline int bm_shutdown_pool(struct bm_portal *p, u32 bpid)
 		if (!(bm_res->verb & BM_MCR_VERB_ACQUIRE_BUFCOUNT)) {
 			/* Pool is empty */
 			stop = true;
-		} else
-			++aq_count;
+		}
 	};
 	return 0;
 }
-- 
2.38.1

[PATCH 04/11] net/atlantic: fix build with clang 15

[David Marchand]

This variable is not used.

Fixes: 2b1472d7150c ("net/atlantic: implement Tx path")
Cc: stable@dpdk.org

Signed-off-by: David Marchand <david.marchand@redhat.com>
---
 drivers/net/atlantic/atl_rxtx.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/net/atlantic/atl_rxtx.c b/drivers/net/atlantic/atl_rxtx.c
index aeb79bf5a2..cb6f8141a8 100644
--- a/drivers/net/atlantic/atl_rxtx.c
+++ b/drivers/net/atlantic/atl_rxtx.c
@@ -1127,10 +1127,9 @@ atl_xmit_cleanup(struct atl_tx_queue *txq)
 	if (txq != NULL) {
 		sw_ring = txq->sw_ring;
 		int head = txq->tx_head;
-		int cnt;
-		int i;
+		int cnt = head;
 
-		for (i = 0, cnt = head; ; i++) {
+		while (true) {
 			txd = &txq->hw_ring[cnt];
 
 			if (txd->dd)
-- 
2.38.1

[PATCH 05/11] net/dpaa2: fix build with clang 15

[David Marchand]

This variable is not used.

Fixes: 4690a6114ff6 ("net/dpaa2: enable error queues optionally")
Cc: stable@dpdk.org

Signed-off-by: David Marchand <david.marchand@redhat.com>
---
 drivers/net/dpaa2/dpaa2_rxtx.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/dpaa2/dpaa2_rxtx.c b/drivers/net/dpaa2/dpaa2_rxtx.c
index 5b02260e71..f60e78e1fd 100644
--- a/drivers/net/dpaa2/dpaa2_rxtx.c
+++ b/drivers/net/dpaa2/dpaa2_rxtx.c
@@ -620,7 +620,7 @@ dump_err_pkts(struct dpaa2_queue *dpaa2_q)
 	/* Function receive frames for a given device and VQ */
 	struct qbman_result *dq_storage;
 	uint32_t fqid = dpaa2_q->fqid;
-	int ret, num_rx = 0, num_pulled;
+	int ret, num_rx = 0;
 	uint8_t pending, status;
 	struct qbman_swp *swp;
 	const struct qbman_fd *fd;
@@ -660,7 +660,6 @@ dump_err_pkts(struct dpaa2_queue *dpaa2_q)
 	while (!qbman_check_command_complete(dq_storage))
 		;
 
-	num_pulled = 0;
 	pending = 1;
 	do {
 		/* Loop until the dq_storage is updated with
@@ -695,7 +694,6 @@ dump_err_pkts(struct dpaa2_queue *dpaa2_q)
 
 		dq_storage++;
 		num_rx++;
-		num_pulled++;
 	} while (pending);
 
 	dpaa2_q->err_pkts += num_rx;
-- 
2.38.1

[PATCH 06/11] net/ice: fix build with clang 15

[David Marchand]

This variable is not used.

Fixes: 0d8d7bd720ba ("net/ice: support DDP dump switch rule binary")
Cc: stable@dpdk.org

Signed-off-by: David Marchand <david.marchand@redhat.com>
---
 drivers/net/ice/ice_ddp_package.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/net/ice/ice_ddp_package.c b/drivers/net/ice/ice_ddp_package.c
index a27a4a2da2..0aa19eb282 100644
--- a/drivers/net/ice/ice_ddp_package.c
+++ b/drivers/net/ice/ice_ddp_package.c
@@ -439,7 +439,6 @@ ice_dump_switch(struct rte_eth_dev *dev, uint8_t **buff2, uint32_t *size)
 	int i = 0;
 	uint16_t tbl_id = 0;
 	uint32_t tbl_idx = 0;
-	int tbl_cnt = 0;
 	uint8_t *buffer = *buff2;
 
 	hw = ICE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
@@ -481,10 +480,8 @@ ice_dump_switch(struct rte_eth_dev *dev, uint8_t **buff2, uint32_t *size)
 
 		free(buff);
 
-		tbl_cnt++;
 		if (tbl_idx == 0xffffffff) {
 			tbl_idx = 0;
-			tbl_cnt = 0;
 			memset(buffer, '\n', sizeof(char));
 			buffer++;
 			offset = 0;
-- 
2.38.1

[PATCH 07/11] app/testpmd: fix build with clang 15

[David Marchand]

This variable is used to create some artificial load.

Fixes: 3c156061b938 ("app/testpmd: add noisy neighbour forwarding mode")
Cc: stable@dpdk.org

Signed-off-by: David Marchand <david.marchand@redhat.com>
---
 app/test-pmd/noisy_vnf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/test-pmd/noisy_vnf.c b/app/test-pmd/noisy_vnf.c
index b17a1febd3..c65ec6f06a 100644
--- a/app/test-pmd/noisy_vnf.c
+++ b/app/test-pmd/noisy_vnf.c
@@ -57,8 +57,8 @@ do_write(char *vnf_mem)
 static inline void
 do_read(char *vnf_mem)
 {
+	uint64_t r __rte_unused;
 	uint64_t i = rte_rand();
-	uint64_t r;
 
 	r = vnf_mem[i % ((noisy_lkup_mem_sz * 1024 * 1024) /
 			RTE_CACHE_LINE_SIZE)];
-- 
2.38.1

[PATCH 08/11] app/testpmd: fix build with clang 15 in flow code

[David Marchand]

This variable is not used and has been copy/pasted in a lot of other
code.

Fixes: 938a184a1870 ("app/testpmd: implement basic support for flow API")
Fixes: 55509e3a49fb ("app/testpmd: support shared flow action")
Fixes: 04cc665fab38 ("app/testpmd: add flow template management")
Fixes: c4b38873346b ("app/testpmd: add flow table management")
Fixes: ecdc927b99f2 ("app/testpmd: add async flow create/destroy operations")
Fixes: d906fff51878 ("app/testpmd: add async indirect actions operations")
Cc: stable@dpdk.org

Signed-off-by: David Marchand <david.marchand@redhat.com>
---
 app/test-pmd/config.c | 14 --------------
 1 file changed, 14 deletions(-)

diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
index 982549ffed..9103ba6c77 100644
--- a/app/test-pmd/config.c
+++ b/app/test-pmd/config.c
@@ -1787,7 +1787,6 @@ port_action_handle_destroy(portid_t port_id,
 {
 	struct rte_port *port;
 	struct port_indirect_action **tmp;
-	uint32_t c = 0;
 	int ret = 0;
 
 	if (port_id_is_invalid(port_id, ENABLED_WARN) ||
@@ -1822,7 +1821,6 @@ port_action_handle_destroy(portid_t port_id,
 		}
 		if (i == n)
 			tmp = &(*tmp)->next;
-		++c;
 	}
 	return ret;
 }
@@ -2251,7 +2249,6 @@ port_flow_pattern_template_destroy(portid_t port_id, uint32_t n,
 {
 	struct rte_port *port;
 	struct port_template **tmp;
-	uint32_t c = 0;
 	int ret = 0;
 
 	if (port_id_is_invalid(port_id, ENABLED_WARN) ||
@@ -2288,7 +2285,6 @@ port_flow_pattern_template_destroy(portid_t port_id, uint32_t n,
 		}
 		if (i == n)
 			tmp = &(*tmp)->next;
-		++c;
 	}
 	return ret;
 }
@@ -2368,7 +2364,6 @@ port_flow_actions_template_destroy(portid_t port_id, uint32_t n,
 {
 	struct rte_port *port;
 	struct port_template **tmp;
-	uint32_t c = 0;
 	int ret = 0;
 
 	if (port_id_is_invalid(port_id, ENABLED_WARN) ||
@@ -2404,7 +2399,6 @@ port_flow_actions_template_destroy(portid_t port_id, uint32_t n,
 		}
 		if (i == n)
 			tmp = &(*tmp)->next;
-		++c;
 	}
 	return ret;
 }
@@ -2534,7 +2528,6 @@ port_flow_template_table_destroy(portid_t port_id,
 {
 	struct rte_port *port;
 	struct port_table **tmp;
-	uint32_t c = 0;
 	int ret = 0;
 
 	if (port_id_is_invalid(port_id, ENABLED_WARN) ||
@@ -2571,7 +2564,6 @@ port_flow_template_table_destroy(portid_t port_id,
 		}
 		if (i == n)
 			tmp = &(*tmp)->next;
-		++c;
 	}
 	return ret;
 }
@@ -2719,7 +2711,6 @@ port_queue_flow_destroy(portid_t port_id, queueid_t queue_id,
 	struct rte_flow_op_attr op_attr = { .postpone = postpone };
 	struct rte_port *port;
 	struct port_flow **tmp;
-	uint32_t c = 0;
 	int ret = 0;
 	struct queue_job *job;
 
@@ -2768,7 +2759,6 @@ port_queue_flow_destroy(portid_t port_id, queueid_t queue_id,
 		}
 		if (i == n)
 			tmp = &(*tmp)->next;
-		++c;
 	}
 	return ret;
 }
@@ -2836,7 +2826,6 @@ port_queue_action_handle_destroy(portid_t port_id,
 	const struct rte_flow_op_attr attr = { .postpone = postpone};
 	struct rte_port *port;
 	struct port_indirect_action **tmp;
-	uint32_t c = 0;
 	int ret = 0;
 	struct queue_job *job;
 
@@ -2886,7 +2875,6 @@ port_queue_action_handle_destroy(portid_t port_id,
 		}
 		if (i == n)
 			tmp = &(*tmp)->next;
-		++c;
 	}
 	return ret;
 }
@@ -3304,7 +3292,6 @@ port_flow_destroy(portid_t port_id, uint32_t n, const uint32_t *rule)
 {
 	struct rte_port *port;
 	struct port_flow **tmp;
-	uint32_t c = 0;
 	int ret = 0;
 
 	if (port_id_is_invalid(port_id, ENABLED_WARN) ||
@@ -3337,7 +3324,6 @@ port_flow_destroy(portid_t port_id, uint32_t n, const uint32_t *rule)
 		}
 		if (i == n)
 			tmp = &(*tmp)->next;
-		++c;
 	}
 	return ret;
 }
-- 
2.38.1

[PATCH 09/11] test/efd: fix build with clang 15

[David Marchand]

This local variable hides the more global one.
The original intent was probably to use the global one.

Fixes: 0e925aef2779 ("app/test: add EFD functional and perf tests")
Cc: stable@dpdk.org

Signed-off-by: David Marchand <david.marchand@redhat.com>
---
 app/test/test_efd_perf.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/app/test/test_efd_perf.c b/app/test/test_efd_perf.c
index d7f4d83549..4d04ed93e3 100644
--- a/app/test/test_efd_perf.c
+++ b/app/test/test_efd_perf.c
@@ -153,7 +153,6 @@ setup_keys_and_data(struct efd_perf_params *params, unsigned int cycle)
 		qsort(keys, KEYS_TO_ADD, MAX_KEYSIZE, key_compare);
 
 		/* Sift through the list of keys and look for duplicates */
-		int num_duplicates = 0;
 		for (i = 0; i < KEYS_TO_ADD - 1; i++) {
 			if (memcmp(keys[i], keys[i + 1], params->key_size) == 0) {
 				/* This key already exists, try again */
-- 
2.38.1

[PATCH 10/11] test/member: fix build with clang 15

[David Marchand]

This local variable hides the more global one.
The original intent was probably to use the global one.

Fixes: 0cc67a96e486 ("test/member: add functional and perf tests")
Cc: stable@dpdk.org

Signed-off-by: David Marchand <david.marchand@redhat.com>
---
 app/test/test_member.c      | 1 -
 app/test/test_member_perf.c | 1 -
 2 files changed, 2 deletions(-)

diff --git a/app/test/test_member.c b/app/test/test_member.c
index c1b6a7d8b9..4a93f8bff4 100644
--- a/app/test/test_member.c
+++ b/app/test/test_member.c
@@ -573,7 +573,6 @@ setup_keys_and_data(void)
 		qsort(generated_keys, MAX_ENTRIES, KEY_SIZE, key_compare);
 
 		/* Sift through the list of keys and look for duplicates */
-		int num_duplicates = 0;
 		for (i = 0; i < MAX_ENTRIES - 1; i++) {
 			if (memcmp(generated_keys[i], generated_keys[i + 1],
 					KEY_SIZE) == 0) {
diff --git a/app/test/test_member_perf.c b/app/test/test_member_perf.c
index 7b6adf913e..2f79888fbd 100644
--- a/app/test/test_member_perf.c
+++ b/app/test/test_member_perf.c
@@ -178,7 +178,6 @@ setup_keys_and_data(struct member_perf_params *params, unsigned int cycle,
 		qsort(keys, KEYS_TO_ADD, MAX_KEYSIZE, key_compare);
 
 		/* Sift through the list of keys and look for duplicates */
-		int num_duplicates = 0;
 		for (i = 0; i < KEYS_TO_ADD - 1; i++) {
 			if (memcmp(keys[i], keys[i + 1],
 					params->key_size) == 0) {
-- 
2.38.1

[PATCH 11/11] test/event: fix build with clang 15

[David Marchand]

This variable is not used.

Fixes: d1f3385d0076 ("test: add event timer adapter auto-test")
Cc: stable@dpdk.org

Signed-off-by: David Marchand <david.marchand@redhat.com>
---
 app/test/test_event_timer_adapter.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/app/test/test_event_timer_adapter.c b/app/test/test_event_timer_adapter.c
index 654c412836..1a440dfd10 100644
--- a/app/test/test_event_timer_adapter.c
+++ b/app/test/test_event_timer_adapter.c
@@ -911,7 +911,6 @@ _cancel_thread(void *args)
 {
 	RTE_SET_USED(args);
 	struct rte_event_timer *ev_tim = NULL;
-	uint64_t cancel_count = 0;
 	uint16_t ret;
 
 	while (!arm_done || rte_ring_count(timer_producer_ring) > 0) {
@@ -921,7 +920,6 @@ _cancel_thread(void *args)
 		ret = rte_event_timer_cancel_burst(timdev, &ev_tim, 1);
 		TEST_ASSERT_EQUAL(ret, 1, "Failed to cancel timer");
 		rte_mempool_put(eventdev_test_mempool, (void *)ev_tim);
-		cancel_count++;
 	}
 
 	return TEST_SUCCESS;
-- 
2.38.1

Re: [PATCH 02/11] vhost: fix build with clang 15

[Maxime Coquelin]

On 11/18/22 09:53, David Marchand wrote:
> This variable is not used.
> 
> Fixes: abeb86525577 ("vhost: remove copy threshold for async path")
> Cc: stable@dpdk.org
> 
> Signed-off-by: David Marchand <david.marchand@redhat.com>
> ---
>   lib/vhost/virtio_net.c | 2 --
>   1 file changed, 2 deletions(-)
> 
> diff --git a/lib/vhost/virtio_net.c b/lib/vhost/virtio_net.c
> index 4358899718..9abf752f30 100644
> --- a/lib/vhost/virtio_net.c
> +++ b/lib/vhost/virtio_net.c
> @@ -1877,7 +1877,6 @@ virtio_dev_rx_async_submit_packed(struct virtio_net *dev, struct vhost_virtqueue
>   	struct rte_mbuf **pkts, uint32_t count, int16_t dma_id, uint16_t vchan_id)
>   {
>   	uint32_t pkt_idx = 0;
> -	uint32_t remained = count;
>   	uint16_t n_xfer;
>   	uint16_t num_buffers;
>   	uint16_t num_descs;
> @@ -1903,7 +1902,6 @@ virtio_dev_rx_async_submit_packed(struct virtio_net *dev, struct vhost_virtqueue
>   		pkts_info[slot_idx].mbuf = pkts[pkt_idx];
>   
>   		pkt_idx++;
> -		remained--;
>   		vq_inc_last_avail_packed(vq, num_descs);
>   	} while (pkt_idx < count);
>   

Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>

Thanks,
Maxime

RE: [PATCH 01/11] service: fix build with clang 15

[Van Haaren, Harry]

> -----Original Message-----
> From: David Marchand <david.marchand@redhat.com>
> Sent: Friday, November 18, 2022 8:53 AM
> To: dev@dpdk.org
> Cc: stable@dpdk.org; Van Haaren, Harry <harry.van.haaren@intel.com>; Jerin Jacob
> <jerinj@marvell.com>
> Subject: [PATCH 01/11] service: fix build with clang 15
> 
> This variable is not used.
> 
> Bugzilla ID: 1130
> Fixes: 21698354c832 ("service: introduce service cores concept")
> Cc: stable@dpdk.org
> 
> Signed-off-by: David Marchand <david.marchand@redhat.com>

Acked-by: Harry van Haaren <harry.van.haaren@intel.com>

RE: [PATCH 11/11] test/event: fix build with clang 15

[Gao, DaxueX]

> -----Original Message-----
> From: David Marchand <david.marchand@redhat.com>
> Sent: 2022年11月18日 16:53
> To: dev@dpdk.org
> Cc: stable@dpdk.org; Carrillo, Erik G <erik.g.carrillo@intel.com>; Pavan
> Nikhilesh <pbhagavatula@caviumnetworks.com>
> Subject: [PATCH 11/11] test/event: fix build with clang 15
> 
> This variable is not used.
> 
> Fixes: d1f3385d0076 ("test: add event timer adapter auto-test")
> Cc: stable@dpdk.org
> 
> Signed-off-by: David Marchand <david.marchand@redhat.com>

Tested-by: Daxue Gao <daxuex.gao@intel.com>