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-rw-r--r--include/uapi/linux/batman_adv.h6
-rw-r--r--net/batman-adv/netlink.c17
2 files changed, 23 insertions, 0 deletions
diff --git a/include/uapi/linux/batman_adv.h b/include/uapi/linux/batman_adv.h
index b37cb923332e..6d36e4b47eb4 100644
--- a/include/uapi/linux/batman_adv.h
+++ b/include/uapi/linux/batman_adv.h
@@ -449,6 +449,12 @@ enum batadv_nl_attrs {
*/
BATADV_ATTR_HOP_PENALTY,
+ /**
+ * @BATADV_ATTR_LOG_LEVEL: bitmask with to define which debug messages
+ * should be send to the debug log/trace ring buffer
+ */
+ BATADV_ATTR_LOG_LEVEL,
+
/* add attributes above here, update the policy in netlink.c */
/**
diff --git a/net/batman-adv/netlink.c b/net/batman-adv/netlink.c
index ce6e6f078765..8c019d46815c 100644
--- a/net/batman-adv/netlink.c
+++ b/net/batman-adv/netlink.c
@@ -53,6 +53,7 @@
#include "gateway_client.h"
#include "gateway_common.h"
#include "hard-interface.h"
+#include "log.h"
#include "multicast.h"
#include "originator.h"
#include "soft-interface.h"
@@ -153,6 +154,7 @@ static const struct nla_policy batadv_netlink_policy[NUM_BATADV_ATTR] = {
[BATADV_ATTR_GW_MODE] = { .type = NLA_U8 },
[BATADV_ATTR_GW_SEL_CLASS] = { .type = NLA_U32 },
[BATADV_ATTR_HOP_PENALTY] = { .type = NLA_U8 },
+ [BATADV_ATTR_LOG_LEVEL] = { .type = NLA_U32 },
};
/**
@@ -335,6 +337,12 @@ static int batadv_netlink_mesh_fill(struct sk_buff *msg,
atomic_read(&bat_priv->hop_penalty)))
goto nla_put_failure;
+#ifdef CONFIG_BATMAN_ADV_DEBUG
+ if (nla_put_u32(msg, BATADV_ATTR_LOG_LEVEL,
+ atomic_read(&bat_priv->log_level)))
+ goto nla_put_failure;
+#endif /* CONFIG_BATMAN_ADV_DEBUG */
+
if (primary_if)
batadv_hardif_put(primary_if);
@@ -547,6 +555,15 @@ static int batadv_netlink_set_mesh(struct sk_buff *skb, struct genl_info *info)
atomic_set(&bat_priv->hop_penalty, nla_get_u8(attr));
}
+#ifdef CONFIG_BATMAN_ADV_DEBUG
+ if (info->attrs[BATADV_ATTR_LOG_LEVEL]) {
+ attr = info->attrs[BATADV_ATTR_LOG_LEVEL];
+
+ atomic_set(&bat_priv->log_level,
+ nla_get_u32(attr) & BATADV_DBG_ALL);
+ }
+#endif /* CONFIG_BATMAN_ADV_DEBUG */
+
batadv_netlink_notify_mesh(bat_priv);
return 0;