|
 |
d8f823 |
From e2600e33bb83fcfb5ee3505f069d5c469e1633ef Mon Sep 17 00:00:00 2001
|
|
|
d8f823 |
From: Alaa Hleihel <ahleihel@redhat.com>
|
|
|
d8f823 |
Date: Sun, 10 May 2020 14:52:05 -0400
|
|
|
d8f823 |
Subject: [PATCH 039/312] [netdrv] net/mlx5e: Add trace point for neigh used
|
|
|
d8f823 |
value update
|
|
|
d8f823 |
|
|
|
d8f823 |
Message-id: <20200510145245.10054-43-ahleihel@redhat.com>
|
|
|
d8f823 |
Patchwork-id: 306583
|
|
|
d8f823 |
Patchwork-instance: patchwork
|
|
|
d8f823 |
O-Subject: [RHEL8.3 BZ 1789378 v2 42/82] net/mlx5e: Add trace point for neigh used value update
|
|
|
d8f823 |
Bugzilla: 1789378
|
|
|
d8f823 |
RH-Acked-by: Kamal Heib <kheib@redhat.com>
|
|
|
d8f823 |
RH-Acked-by: Jarod Wilson <jarod@redhat.com>
|
|
|
d8f823 |
RH-Acked-by: Tony Camuso <tcamuso@redhat.com>
|
|
|
d8f823 |
RH-Acked-by: Jonathan Toppins <jtoppins@redhat.com>
|
|
|
d8f823 |
|
|
|
d8f823 |
Bugzilla: http://bugzilla.redhat.com/1789378
|
|
|
d8f823 |
Upstream: v5.4-rc1
|
|
|
d8f823 |
Conflicts:
|
|
|
d8f823 |
- Documentation/networking/device_drivers/mellanox/mlx5.rst
|
|
|
d8f823 |
Drop changes to doc file that doesn't exist.
|
|
|
d8f823 |
|
|
|
d8f823 |
commit c786fe596bede275f887f212eebee74490043b84
|
|
|
d8f823 |
Author: Vlad Buslov <vladbu@mellanox.com>
|
|
|
d8f823 |
Date: Tue Jun 25 22:33:15 2019 +0300
|
|
|
d8f823 |
|
|
|
d8f823 |
net/mlx5e: Add trace point for neigh used value update
|
|
|
d8f823 |
|
|
|
d8f823 |
Allow tracing result of neigh used value update task that is executed
|
|
|
d8f823 |
periodically on workqueue.
|
|
|
d8f823 |
|
|
|
d8f823 |
Usage example:
|
|
|
d8f823 |
># cd /sys/kernel/debug/tracing
|
|
|
d8f823 |
># echo mlx5:mlx5e_tc_update_neigh_used_value >> set_event
|
|
|
d8f823 |
># cat trace
|
|
|
d8f823 |
...
|
|
|
d8f823 |
kworker/u48:4-8806 [009] ...1 55117.882428: mlx5e_tc_update_neigh_used_value:
|
|
|
d8f823 |
netdev: ens1f0 IPv4: 1.1.1.10 IPv6: ::ffff:1.1.1.10 neigh_used=1
|
|
|
d8f823 |
|
|
|
d8f823 |
Added corresponding documentation in
|
|
|
d8f823 |
Documentation/networking/device-driver/mellanox/mlx5.rst
|
|
|
d8f823 |
|
|
|
d8f823 |
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
|
|
|
d8f823 |
Reviewed-by: Dmytro Linkin <dmitrolin@mellanox.com>
|
|
|
d8f823 |
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
|
|
|
d8f823 |
|
|
|
d8f823 |
Signed-off-by: Alaa Hleihel <ahleihel@redhat.com>
|
|
|
d8f823 |
Signed-off-by: Frantisek Hrbata <fhrbata@redhat.com>
|
|
|
d8f823 |
---
|
|
|
d8f823 |
.../mellanox/mlx5/core/diag/en_tc_tracepoint.h | 31 ++++++++++++++++++++++
|
|
|
d8f823 |
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 2 ++
|
|
|
d8f823 |
2 files changed, 33 insertions(+)
|
|
|
d8f823 |
|
|
|
d8f823 |
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/diag/en_tc_tracepoint.h b/drivers/net/ethernet/mellanox/mlx5/core/diag/en_tc_tracepoint.h
|
|
|
d8f823 |
index a362100fe6d3..d4e6cfaaade3 100644
|
|
|
d8f823 |
--- a/drivers/net/ethernet/mellanox/mlx5/core/diag/en_tc_tracepoint.h
|
|
|
d8f823 |
+++ b/drivers/net/ethernet/mellanox/mlx5/core/diag/en_tc_tracepoint.h
|
|
|
d8f823 |
@@ -10,6 +10,7 @@
|
|
|
d8f823 |
#include <linux/tracepoint.h>
|
|
|
d8f823 |
#include <linux/trace_seq.h>
|
|
|
d8f823 |
#include <net/flow_offload.h>
|
|
|
d8f823 |
+#include "en_rep.h"
|
|
|
d8f823 |
|
|
|
d8f823 |
#define __parse_action(ids, num) parse_action(p, ids, num)
|
|
|
d8f823 |
|
|
|
d8f823 |
@@ -73,6 +74,36 @@ TRACE_EVENT(mlx5e_stats_flower,
|
|
|
d8f823 |
)
|
|
|
d8f823 |
);
|
|
|
d8f823 |
|
|
|
d8f823 |
+TRACE_EVENT(mlx5e_tc_update_neigh_used_value,
|
|
|
d8f823 |
+ TP_PROTO(const struct mlx5e_neigh_hash_entry *nhe, bool neigh_used),
|
|
|
d8f823 |
+ TP_ARGS(nhe, neigh_used),
|
|
|
d8f823 |
+ TP_STRUCT__entry(__string(devname, nhe->m_neigh.dev->name)
|
|
|
d8f823 |
+ __array(u8, v4, 4)
|
|
|
d8f823 |
+ __array(u8, v6, 16)
|
|
|
d8f823 |
+ __field(bool, neigh_used)
|
|
|
d8f823 |
+ ),
|
|
|
d8f823 |
+ TP_fast_assign(const struct mlx5e_neigh *mn = &nhe->m_neigh;
|
|
|
d8f823 |
+ struct in6_addr *pin6;
|
|
|
d8f823 |
+ __be32 *p32;
|
|
|
d8f823 |
+
|
|
|
d8f823 |
+ __assign_str(devname, mn->dev->name);
|
|
|
d8f823 |
+ __entry->neigh_used = neigh_used;
|
|
|
d8f823 |
+
|
|
|
d8f823 |
+ p32 = (__be32 *)__entry->v4;
|
|
|
d8f823 |
+ pin6 = (struct in6_addr *)__entry->v6;
|
|
|
d8f823 |
+ if (mn->family == AF_INET) {
|
|
|
d8f823 |
+ *p32 = mn->dst_ip.v4;
|
|
|
d8f823 |
+ ipv6_addr_set_v4mapped(*p32, pin6);
|
|
|
d8f823 |
+ } else if (mn->family == AF_INET6) {
|
|
|
d8f823 |
+ *pin6 = mn->dst_ip.v6;
|
|
|
d8f823 |
+ }
|
|
|
d8f823 |
+ ),
|
|
|
d8f823 |
+ TP_printk("netdev: %s IPv4: %pI4 IPv6: %pI6c neigh_used=%d\n",
|
|
|
d8f823 |
+ __get_str(devname), __entry->v4, __entry->v6,
|
|
|
d8f823 |
+ __entry->neigh_used
|
|
|
d8f823 |
+ )
|
|
|
d8f823 |
+);
|
|
|
d8f823 |
+
|
|
|
d8f823 |
#endif /* _MLX5_TC_TP_ */
|
|
|
d8f823 |
|
|
|
d8f823 |
/* This part must be outside protection */
|
|
|
d8f823 |
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
|
|
|
d8f823 |
index 8d0cf434d16c..31d71e1f0545 100644
|
|
|
d8f823 |
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
|
|
|
d8f823 |
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
|
|
|
d8f823 |
@@ -1536,6 +1536,8 @@ void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe)
|
|
|
d8f823 |
}
|
|
|
d8f823 |
}
|
|
|
d8f823 |
|
|
|
d8f823 |
+ trace_mlx5e_tc_update_neigh_used_value(nhe, neigh_used);
|
|
|
d8f823 |
+
|
|
|
d8f823 |
if (neigh_used) {
|
|
|
d8f823 |
nhe->reported_lastuse = jiffies;
|
|
|
d8f823 |
|
|
|
d8f823 |
--
|
|
|
d8f823 |
2.13.6
|
|
|
d8f823 |
|