diff options
| -rw-r--r-- | include/uapi/linux/devlink.h | 2 | ||||
| -rw-r--r-- | net/core/devlink.c | 49 |
2 files changed, 35 insertions, 16 deletions
diff --git a/include/uapi/linux/devlink.h b/include/uapi/linux/devlink.h index 0113bc4db9f5..5203f54a2be1 100644 --- a/include/uapi/linux/devlink.h +++ b/include/uapi/linux/devlink.h @@ -526,6 +526,8 @@ enum devlink_attr { DEVLINK_ATTR_RELOAD_STATS_LIMIT, /* u8 */ DEVLINK_ATTR_RELOAD_STATS_VALUE, /* u32 */ DEVLINK_ATTR_REMOTE_RELOAD_STATS, /* nested */ + DEVLINK_ATTR_RELOAD_ACTION_INFO, /* nested */ + DEVLINK_ATTR_RELOAD_ACTION_STATS, /* nested */ /* add new attributes above here, update the policy in devlink.c */ diff --git a/net/core/devlink.c b/net/core/devlink.c index 4b0211590aac..c91e15b7a2bd 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -517,7 +517,7 @@ devlink_reload_limit_is_supported(struct devlink *devlink, enum devlink_reload_l return test_bit(limit, &devlink->ops->reload_limits); } -static int devlink_reload_stat_put(struct sk_buff *msg, enum devlink_reload_action action, +static int devlink_reload_stat_put(struct sk_buff *msg, enum devlink_reload_limit limit, u32 value) { struct nlattr *reload_stats_entry; @@ -526,8 +526,7 @@ static int devlink_reload_stat_put(struct sk_buff *msg, enum devlink_reload_acti if (!reload_stats_entry) return -EMSGSIZE; - if (nla_put_u8(msg, DEVLINK_ATTR_RELOAD_ACTION, action) || - nla_put_u8(msg, DEVLINK_ATTR_RELOAD_STATS_LIMIT, limit) || + if (nla_put_u8(msg, DEVLINK_ATTR_RELOAD_STATS_LIMIT, limit) || nla_put_u32(msg, DEVLINK_ATTR_RELOAD_STATS_VALUE, value)) goto nla_put_failure; nla_nest_end(msg, reload_stats_entry); @@ -540,7 +539,7 @@ nla_put_failure: static int devlink_reload_stats_put(struct sk_buff *msg, struct devlink *devlink, bool is_remote) { - struct nlattr *reload_stats_attr; + struct nlattr *reload_stats_attr, *act_info, *act_stats; int i, j, stat_idx; u32 value; @@ -552,17 +551,29 @@ static int devlink_reload_stats_put(struct sk_buff *msg, struct devlink *devlink if (!reload_stats_attr) return -EMSGSIZE; - for (j = 0; j <= DEVLINK_RELOAD_LIMIT_MAX; j++) { - /* Remote stats are shown even if not locally supported. Stats - * of actions with unspecified limit are shown though drivers - * don't need to register unspecified limit. - */ - if (!is_remote && j != DEVLINK_RELOAD_LIMIT_UNSPEC && - !devlink_reload_limit_is_supported(devlink, j)) + for (i = 0; i <= DEVLINK_RELOAD_ACTION_MAX; i++) { + if ((!is_remote && + !devlink_reload_action_is_supported(devlink, i)) || + i == DEVLINK_RELOAD_ACTION_UNSPEC) continue; - for (i = 0; i <= DEVLINK_RELOAD_ACTION_MAX; i++) { - if ((!is_remote && !devlink_reload_action_is_supported(devlink, i)) || - i == DEVLINK_RELOAD_ACTION_UNSPEC || + act_info = nla_nest_start(msg, DEVLINK_ATTR_RELOAD_ACTION_INFO); + if (!act_info) + goto nla_put_failure; + + if (nla_put_u8(msg, DEVLINK_ATTR_RELOAD_ACTION, i)) + goto action_info_nest_cancel; + act_stats = nla_nest_start(msg, DEVLINK_ATTR_RELOAD_ACTION_STATS); + if (!act_stats) + goto action_info_nest_cancel; + + for (j = 0; j <= DEVLINK_RELOAD_LIMIT_MAX; j++) { + /* Remote stats are shown even if not locally supported. + * Stats of actions with unspecified limit are shown + * though drivers don't need to register unspecified + * limit. + */ + if ((!is_remote && j != DEVLINK_RELOAD_LIMIT_UNSPEC && + !devlink_reload_limit_is_supported(devlink, j)) || devlink_reload_combination_is_invalid(i, j)) continue; @@ -571,13 +582,19 @@ static int devlink_reload_stats_put(struct sk_buff *msg, struct devlink *devlink value = devlink->stats.reload_stats[stat_idx]; else value = devlink->stats.remote_reload_stats[stat_idx]; - if (devlink_reload_stat_put(msg, i, j, value)) - goto nla_put_failure; + if (devlink_reload_stat_put(msg, j, value)) + goto action_stats_nest_cancel; } + nla_nest_end(msg, act_stats); + nla_nest_end(msg, act_info); } nla_nest_end(msg, reload_stats_attr); return 0; +action_stats_nest_cancel: + nla_nest_cancel(msg, act_stats); +action_info_nest_cancel: + nla_nest_cancel(msg, act_info); nla_put_failure: nla_nest_cancel(msg, reload_stats_attr); return -EMSGSIZE; |