From: Jiri Pirko <jiri@resnulli.us>
To: netdev@vger.kernel.org
Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com,
edumazet@google.com, michael.chan@broadcom.com,
yisen.zhuang@huawei.com, salil.mehta@huawei.com,
jesse.brandeburg@intel.com, anthony.l.nguyen@intel.com,
tariqt@nvidia.com, saeedm@nvidia.com, leon@kernel.org,
idosch@nvidia.com, petrm@nvidia.com, mailhol.vincent@wanadoo.fr,
jacob.e.keller@intel.com, gal@nvidia.com
Subject: [patch net-next v2 7/9] devlink: convert reporters dump to devlink_nl_instance_iter_dump()
Date: Sat, 7 Jan 2023 11:11:48 +0100 [thread overview]
Message-ID: <20230107101151.532611-8-jiri@resnulli.us> (raw)
In-Reply-To: <20230107101151.532611-1-jiri@resnulli.us>
From: Jiri Pirko <jiri@nvidia.com>
Benefit from recently introduced instance iteration and convert
reporters .dumpit generic netlink callback to use it.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
---
v1->v2:
- unsquashed the next patch (devlink: remove
devlink_dump_for_each_instance_get() helper) from this one
---
net/devlink/devl_internal.h | 1 +
net/devlink/leftover.c | 87 ++++++++++++++++---------------------
net/devlink/netlink.c | 1 +
3 files changed, 40 insertions(+), 49 deletions(-)
diff --git a/net/devlink/devl_internal.h b/net/devlink/devl_internal.h
index 52d958c1c977..1f046b4ab638 100644
--- a/net/devlink/devl_internal.h
+++ b/net/devlink/devl_internal.h
@@ -162,6 +162,7 @@ extern const struct devlink_gen_cmd devl_gen_selftests;
extern const struct devlink_gen_cmd devl_gen_param;
extern const struct devlink_gen_cmd devl_gen_region;
extern const struct devlink_gen_cmd devl_gen_info;
+extern const struct devlink_gen_cmd devl_gen_health_reporter;
extern const struct devlink_gen_cmd devl_gen_trap;
extern const struct devlink_gen_cmd devl_gen_trap_group;
extern const struct devlink_gen_cmd devl_gen_trap_policer;
diff --git a/net/devlink/leftover.c b/net/devlink/leftover.c
index c5feda997932..59fa5f543e8f 100644
--- a/net/devlink/leftover.c
+++ b/net/devlink/leftover.c
@@ -7749,70 +7749,59 @@ static int devlink_nl_cmd_health_reporter_get_doit(struct sk_buff *skb,
}
static int
-devlink_nl_cmd_health_reporter_get_dumpit(struct sk_buff *msg,
- struct netlink_callback *cb)
+devlink_nl_cmd_health_reporter_get_dump_one(struct sk_buff *msg,
+ struct devlink *devlink,
+ struct netlink_callback *cb)
{
struct devlink_nl_dump_state *state = devlink_dump_state(cb);
- struct devlink *devlink;
+ struct devlink_health_reporter *reporter;
+ struct devlink_port *port;
+ unsigned long port_index;
+ int idx = 0;
int err;
- devlink_dump_for_each_instance_get(msg, state, devlink) {
- struct devlink_health_reporter *reporter;
- struct devlink_port *port;
- unsigned long port_index;
- int idx = 0;
-
- devl_lock(devlink);
- if (!devl_is_registered(devlink))
- goto next_devlink;
-
- list_for_each_entry(reporter, &devlink->reporter_list,
- list) {
+ list_for_each_entry(reporter, &devlink->reporter_list, list) {
+ if (idx < state->idx) {
+ idx++;
+ continue;
+ }
+ err = devlink_nl_health_reporter_fill(msg, reporter,
+ DEVLINK_CMD_HEALTH_REPORTER_GET,
+ NETLINK_CB(cb->skb).portid,
+ cb->nlh->nlmsg_seq,
+ NLM_F_MULTI);
+ if (err) {
+ state->idx = idx;
+ return err;
+ }
+ idx++;
+ }
+ xa_for_each(&devlink->ports, port_index, port) {
+ list_for_each_entry(reporter, &port->reporter_list, list) {
if (idx < state->idx) {
idx++;
continue;
}
- err = devlink_nl_health_reporter_fill(
- msg, reporter, DEVLINK_CMD_HEALTH_REPORTER_GET,
- NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq,
- NLM_F_MULTI);
+ err = devlink_nl_health_reporter_fill(msg, reporter,
+ DEVLINK_CMD_HEALTH_REPORTER_GET,
+ NETLINK_CB(cb->skb).portid,
+ cb->nlh->nlmsg_seq,
+ NLM_F_MULTI);
if (err) {
- devl_unlock(devlink);
- devlink_put(devlink);
state->idx = idx;
- goto out;
+ return err;
}
idx++;
}
-
- xa_for_each(&devlink->ports, port_index, port) {
- list_for_each_entry(reporter, &port->reporter_list, list) {
- if (idx < state->idx) {
- idx++;
- continue;
- }
- err = devlink_nl_health_reporter_fill(
- msg, reporter,
- DEVLINK_CMD_HEALTH_REPORTER_GET,
- NETLINK_CB(cb->skb).portid,
- cb->nlh->nlmsg_seq, NLM_F_MULTI);
- if (err) {
- devl_unlock(devlink);
- devlink_put(devlink);
- state->idx = idx;
- goto out;
- }
- idx++;
- }
- }
-next_devlink:
- devl_unlock(devlink);
- devlink_put(devlink);
}
-out:
- return msg->len;
+
+ return 0;
}
+const struct devlink_gen_cmd devl_gen_health_reporter = {
+ .dump_one = devlink_nl_cmd_health_reporter_get_dump_one,
+};
+
static int
devlink_nl_cmd_health_reporter_set_doit(struct sk_buff *skb,
struct genl_info *info)
@@ -9179,7 +9168,7 @@ const struct genl_small_ops devlink_nl_ops[56] = {
.cmd = DEVLINK_CMD_HEALTH_REPORTER_GET,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = devlink_nl_cmd_health_reporter_get_doit,
- .dumpit = devlink_nl_cmd_health_reporter_get_dumpit,
+ .dumpit = devlink_nl_instance_iter_dump,
.internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT,
/* can be retrieved by unprivileged users */
},
diff --git a/net/devlink/netlink.c b/net/devlink/netlink.c
index b18e216e09b0..d4539c1aedea 100644
--- a/net/devlink/netlink.c
+++ b/net/devlink/netlink.c
@@ -187,6 +187,7 @@ static const struct devlink_gen_cmd *devl_gen_cmds[] = {
[DEVLINK_CMD_PARAM_GET] = &devl_gen_param,
[DEVLINK_CMD_REGION_GET] = &devl_gen_region,
[DEVLINK_CMD_INFO_GET] = &devl_gen_info,
+ [DEVLINK_CMD_HEALTH_REPORTER_GET] = &devl_gen_health_reporter,
[DEVLINK_CMD_RATE_GET] = &devl_gen_rate_get,
[DEVLINK_CMD_TRAP_GET] = &devl_gen_trap,
[DEVLINK_CMD_TRAP_GROUP_GET] = &devl_gen_trap_group,
--
2.39.0
next prev parent reply other threads:[~2023-01-07 10:12 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-07 10:11 [patch net-next v2 0/9] devlink: features, linecard and reporters locking cleanup Jiri Pirko
2023-01-07 10:11 ` [patch net-next v2 1/9] devlink: remove devlink features Jiri Pirko
2023-01-08 15:32 ` Ido Schimmel
2023-01-09 8:41 ` Jiri Pirko
2023-01-07 10:11 ` [patch net-next v2 2/9] devlink: remove linecards lock Jiri Pirko
2023-01-08 15:42 ` Ido Schimmel
2023-01-09 8:42 ` Jiri Pirko
2023-01-07 10:11 ` [patch net-next v2 3/9] devlink: remove linecard reference counting Jiri Pirko
2023-01-08 15:50 ` Ido Schimmel
2023-01-09 8:42 ` Jiri Pirko
2023-01-07 10:11 ` [patch net-next v2 4/9] devlink: remove reporters_lock Jiri Pirko
2023-01-08 16:28 ` Ido Schimmel
2023-01-09 8:44 ` Jiri Pirko
2023-01-07 10:11 ` [patch net-next v2 5/9] devlink: remove reporter reference counting Jiri Pirko
2023-01-07 10:11 ` [patch net-next v2 6/9] devlink: convert linecards dump to devlink_nl_instance_iter_dump() Jiri Pirko
2023-01-08 17:01 ` Ido Schimmel
2023-01-07 10:11 ` Jiri Pirko [this message]
2023-01-07 10:11 ` [patch net-next 8/8] devlink: add instance lock assertion in devl_is_registered() Jiri Pirko
2023-01-07 10:11 ` [patch net-next v2 8/9] devlink: remove devlink_dump_for_each_instance_get() helper Jiri Pirko
2023-01-07 10:26 ` [patch net-next v2 9/9] devlink: add instance lock assertion in devl_is_registered() Jiri Pirko
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