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From: Ankur Dwivedi <adwivedi@marvell.com>
To: <dev@dpdk.org>
Cc: <alialnu@nvidia.com>, <jerinj@marvell.com>,
	<ferruh.yigit@amd.com>, "Ankur Dwivedi" <adwivedi@marvell.com>
Subject: [PATCH v1] ethdev: remove bitfields from trace
Date: Tue, 28 Feb 2023 21:25:16 +0530	[thread overview]
Message-ID: <20230228155516.2403535-1-adwivedi@marvell.com> (raw)

To capture bitfield variables in trace, the pointer to the structure
containing the bitfields was referenced. But during trace point
registration the pointer contains invalid address. Referencing this
invalid address causes segmentation fault.

This patch removes the capture of bitfield variables in trace.

Bugzilla ID: 1167
Fixes: 6679cf21d608 ("ethdev: add trace points")
Fixes: ed04fd4072e9 ("ethdev: add trace points for flow")

Signed-off-by: Ankur Dwivedi <adwivedi@marvell.com>
---
 lib/ethdev/ethdev_trace.h | 80 ++-------------------------------------
 1 file changed, 3 insertions(+), 77 deletions(-)

diff --git a/lib/ethdev/ethdev_trace.h b/lib/ethdev/ethdev_trace.h
index 53d1a71ff0..6c2a68216f 100644
--- a/lib/ethdev/ethdev_trace.h
+++ b/lib/ethdev/ethdev_trace.h
@@ -237,22 +237,10 @@ RTE_TRACE_POINT(
 	RTE_TRACE_POINT_ARGS(uint16_t port_id, uint16_t rx_queue_id,
 		uint16_t nb_rx_desc, const struct rte_eth_hairpin_conf *conf,
 		int ret),
-	uint16_t peer_count = conf->peer_count;
-	uint8_t tx_explicit = conf->tx_explicit;
-	uint8_t manual_bind = conf->manual_bind;
-	uint8_t use_locked_device_memory = conf->use_locked_device_memory;
-	uint8_t use_rte_memory = conf->use_rte_memory;
-	uint8_t force_memory = conf->force_memory;
-
 	rte_trace_point_emit_u16(port_id);
 	rte_trace_point_emit_u16(rx_queue_id);
 	rte_trace_point_emit_u16(nb_rx_desc);
-	rte_trace_point_emit_u16(peer_count);
-	rte_trace_point_emit_u8(tx_explicit);
-	rte_trace_point_emit_u8(manual_bind);
-	rte_trace_point_emit_u8(use_locked_device_memory);
-	rte_trace_point_emit_u8(use_rte_memory);
-	rte_trace_point_emit_u8(force_memory);
+	rte_trace_point_emit_ptr(conf);
 	rte_trace_point_emit_int(ret);
 )
 
@@ -261,22 +249,10 @@ RTE_TRACE_POINT(
 	RTE_TRACE_POINT_ARGS(uint16_t port_id, uint16_t tx_queue_id,
 		uint16_t nb_tx_desc, const struct rte_eth_hairpin_conf *conf,
 		int ret),
-	uint16_t peer_count = conf->peer_count;
-	uint8_t tx_explicit = conf->tx_explicit;
-	uint8_t manual_bind = conf->manual_bind;
-	uint8_t use_locked_device_memory = conf->use_locked_device_memory;
-	uint8_t use_rte_memory = conf->use_rte_memory;
-	uint8_t force_memory = conf->force_memory;
-
 	rte_trace_point_emit_u16(port_id);
 	rte_trace_point_emit_u16(tx_queue_id);
 	rte_trace_point_emit_u16(nb_tx_desc);
-	rte_trace_point_emit_u16(peer_count);
-	rte_trace_point_emit_u8(tx_explicit);
-	rte_trace_point_emit_u8(manual_bind);
-	rte_trace_point_emit_u8(use_locked_device_memory);
-	rte_trace_point_emit_u8(use_rte_memory);
-	rte_trace_point_emit_u8(force_memory);
+	rte_trace_point_emit_ptr(conf);
 	rte_trace_point_emit_int(ret);
 )
 
@@ -499,30 +475,16 @@ RTE_TRACE_POINT(
 RTE_TRACE_POINT(
 	rte_eth_trace_link_get_nowait,
 	RTE_TRACE_POINT_ARGS(uint16_t port_id, const struct rte_eth_link *link),
-	uint8_t link_duplex = link->link_duplex;
-	uint8_t link_autoneg = link->link_autoneg;
-	uint8_t link_status = link->link_status;
-
 	rte_trace_point_emit_u16(port_id);
 	rte_trace_point_emit_u32(link->link_speed);
-	rte_trace_point_emit_u8(link_duplex);
-	rte_trace_point_emit_u8(link_autoneg);
-	rte_trace_point_emit_u8(link_status);
 )
 
 RTE_TRACE_POINT(
 	rte_eth_trace_link_to_str,
 	RTE_TRACE_POINT_ARGS(size_t len, const struct rte_eth_link *link,
 		char *str, int ret),
-	uint8_t link_duplex = link->link_duplex;
-	uint8_t link_autoneg = link->link_autoneg;
-	uint8_t link_status = link->link_status;
-
 	rte_trace_point_emit_size_t(len);
 	rte_trace_point_emit_u32(link->link_speed);
-	rte_trace_point_emit_u8(link_duplex);
-	rte_trace_point_emit_u8(link_autoneg);
-	rte_trace_point_emit_u8(link_status);
 	rte_trace_point_emit_string(str);
 	rte_trace_point_emit_int(ret);
 )
@@ -1564,17 +1526,8 @@ RTE_TRACE_POINT(
 	RTE_TRACE_POINT_ARGS(uint16_t port_id,
 		const struct rte_flow_pattern_template_attr *template_attr,
 		const struct rte_flow_item *pattern, const void *tmplate),
-	uint8_t relaxed_matching = template_attr->relaxed_matching;
-	uint8_t ingress = template_attr->ingress;
-	uint8_t egress = template_attr->egress;
-	uint8_t transfer = template_attr->transfer;
-
 	rte_trace_point_emit_u16(port_id);
 	rte_trace_point_emit_ptr(template_attr);
-	rte_trace_point_emit_u8(relaxed_matching);
-	rte_trace_point_emit_u8(ingress);
-	rte_trace_point_emit_u8(egress);
-	rte_trace_point_emit_u8(transfer);
 	rte_trace_point_emit_ptr(pattern);
 	rte_trace_point_emit_ptr(tmplate);
 )
@@ -1595,15 +1548,8 @@ RTE_TRACE_POINT(
 		const struct rte_flow_actions_template_attr *template_attr,
 		const struct rte_flow_action *actions,
 		const struct rte_flow_action *masks, const void *tmplate),
-	uint8_t ingress = template_attr->ingress;
-	uint8_t egress = template_attr->egress;
-	uint8_t transfer = template_attr->transfer;
-
 	rte_trace_point_emit_u16(port_id);
 	rte_trace_point_emit_ptr(template_attr);
-	rte_trace_point_emit_u8(ingress);
-	rte_trace_point_emit_u8(egress);
-	rte_trace_point_emit_u8(transfer);
 	rte_trace_point_emit_ptr(actions);
 	rte_trace_point_emit_ptr(masks);
 	rte_trace_point_emit_ptr(tmplate);
@@ -1628,17 +1574,10 @@ RTE_TRACE_POINT(
 		struct rte_flow_actions_template **actions_templates,
 		uint8_t nb_actions_templates,
 		const struct rte_flow_template_table *table),
-	uint8_t ingress = table_attr->flow_attr.ingress;
-	uint8_t egress = table_attr->flow_attr.egress;
-	uint8_t transfer = table_attr->flow_attr.transfer;
-
 	rte_trace_point_emit_u16(port_id);
 	rte_trace_point_emit_u32(table_attr->nb_flows);
 	rte_trace_point_emit_u32(table_attr->flow_attr.group);
 	rte_trace_point_emit_u32(table_attr->flow_attr.priority);
-	rte_trace_point_emit_u8(ingress);
-	rte_trace_point_emit_u8(egress);
-	rte_trace_point_emit_u8(transfer);
 	rte_trace_point_emit_ptr(pattern_templates);
 	rte_trace_point_emit_u8(nb_pattern_templates);
 	rte_trace_point_emit_ptr(actions_templates);
@@ -2177,15 +2116,8 @@ RTE_TRACE_POINT_FP(
 RTE_TRACE_POINT_FP(
 	rte_eth_trace_link_get,
 	RTE_TRACE_POINT_ARGS(uint16_t port_id, const struct rte_eth_link *link),
-	uint8_t link_duplex = link->link_duplex;
-	uint8_t link_autoneg = link->link_autoneg;
-	uint8_t link_status = link->link_status;
-
 	rte_trace_point_emit_u16(port_id);
 	rte_trace_point_emit_u32(link->link_speed);
-	rte_trace_point_emit_u8(link_duplex);
-	rte_trace_point_emit_u8(link_autoneg);
-	rte_trace_point_emit_u8(link_status);
 )
 
 /* Called in loop in examples/ip_pipeline */
@@ -2349,14 +2281,8 @@ RTE_TRACE_POINT_FP(
 		const struct rte_flow_indir_action_conf *conf,
 		const struct rte_flow_action *action,
 		const struct rte_flow_action_handle *handle),
-	uint8_t ingress = conf->ingress;
-	uint8_t egress = conf->egress;
-	uint8_t transfer = conf->transfer;
-
 	rte_trace_point_emit_u16(port_id);
-	rte_trace_point_emit_u8(ingress);
-	rte_trace_point_emit_u8(egress);
-	rte_trace_point_emit_u8(transfer);
+	rte_trace_point_emit_ptr(conf);
 	rte_trace_point_emit_ptr(action);
 	rte_trace_point_emit_ptr(handle);
 )
-- 
2.25.1


             reply	other threads:[~2023-02-28 15:55 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-28 15:55 Ankur Dwivedi [this message]
2023-02-28 16:29 ` Ferruh Yigit
2023-03-01 15:59   ` Thomas Monjalon
2023-02-28 17:37 ` Ali Alnubani

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