xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

devlink: introduce the health reporter test command

Browse Source 
Introduce a test command for health reporters. User might use this
command to trigger test event on a reporter if the reporter supports it.

Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko
2020-09-15 11:40:57 +03:00
committed by David S. Miller
parent 191c0c22b5
commit e2ce94dc1d
3 changed files with 35 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
include/net/devlink.h
View File

@@ -566,6 +566,7 @@ enum devlink_health_reporter_state {
* @dump: callback to dump an object * @dump: callback to dump an object
* if priv_ctx is NULL, run a full dump * if priv_ctx is NULL, run a full dump
* @diagnose: callback to diagnose the current status * @diagnose: callback to diagnose the current status
* @test: callback to trigger a test event
*/ */
struct devlink_health_reporter_ops { struct devlink_health_reporter_ops {
@@ -578,6 +579,8 @@ struct devlink_health_reporter_ops {
int (*diagnose)(struct devlink_health_reporter *reporter, int (*diagnose)(struct devlink_health_reporter *reporter,
struct devlink_fmsg *fmsg, struct devlink_fmsg *fmsg,
struct netlink_ext_ack *extack); struct netlink_ext_ack *extack);
int (*test)(struct devlink_health_reporter *reporter,
struct netlink_ext_ack *extack);
}; };
/** /**

2
include/uapi/linux/devlink.h
View File

@@ -122,6 +122,8 @@ enum devlink_command {
DEVLINK_CMD_TRAP_POLICER_NEW, DEVLINK_CMD_TRAP_POLICER_NEW,
DEVLINK_CMD_TRAP_POLICER_DEL, DEVLINK_CMD_TRAP_POLICER_DEL,
DEVLINK_CMD_HEALTH_REPORTER_TEST,
/* add new commands above here */ /* add new commands above here */
__DEVLINK_CMD_MAX, __DEVLINK_CMD_MAX,
DEVLINK_CMD_MAX = __DEVLINK_CMD_MAX - 1 DEVLINK_CMD_MAX = __DEVLINK_CMD_MAX - 1

30
net/core/devlink.c
View File

@@ -6096,6 +6096,28 @@ devlink_nl_cmd_health_reporter_dump_clear_doit(struct sk_buff *skb,
return 0; return 0;
} }
static int devlink_nl_cmd_health_reporter_test_doit(struct sk_buff *skb,
struct genl_info *info)
{
struct devlink *devlink = info->user_ptr[0];
struct devlink_health_reporter *reporter;
int err;
reporter = devlink_health_reporter_get_from_info(devlink, info);
if (!reporter)
return -EINVAL;
if (!reporter->ops->test) {
devlink_health_reporter_put(reporter);
return -EOPNOTSUPP;
}
err = reporter->ops->test(reporter, info->extack);
devlink_health_reporter_put(reporter);
return err;
}
struct devlink_stats { struct devlink_stats {
u64 rx_bytes; u64 rx_bytes;
u64 rx_packets; u64 rx_packets;
@@ -7316,6 +7338,14 @@ static const struct genl_ops devlink_nl_ops[] = {
.internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT | .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT |
DEVLINK_NL_FLAG_NO_LOCK, DEVLINK_NL_FLAG_NO_LOCK,
}, },
{
.cmd = DEVLINK_CMD_HEALTH_REPORTER_TEST,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = devlink_nl_cmd_health_reporter_test_doit,
.flags = GENL_ADMIN_PERM,
.internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT |
DEVLINK_NL_FLAG_NO_LOCK,
},
{ {
.cmd = DEVLINK_CMD_FLASH_UPDATE, .cmd = DEVLINK_CMD_FLASH_UPDATE,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,