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authorAntonio Quartulli <antonio@open-mesh.com>2014-02-22 16:48:14 +0100
committerAntonio Quartulli <antonio@meshcoding.com>2014-03-22 09:18:59 +0100
commit43e6f65a3d777d8edf9f8d5083022a98baac850a (patch)
treed3907658358334e1713df169cea6be0c832c8033 /net/batman-adv
parent4c8755d69cbde2ec464a39c932aed0a83f9ff89f (diff)
batman-adv: improve the TT flags documentation
Convert the current documentation for the TT flags in proper kerneldoc and improve it by adding an explanation for each of the flags. Signed-off-by: Antonio Quartulli <antonio@open-mesh.com> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Diffstat (limited to 'net/batman-adv')
-rw-r--r--net/batman-adv/packet.h28
1 files changed, 24 insertions, 4 deletions
diff --git a/net/batman-adv/packet.h b/net/batman-adv/packet.h
index c7f6eefda68..34e096d2dce 100644
--- a/net/batman-adv/packet.h
+++ b/net/batman-adv/packet.h
@@ -119,10 +119,30 @@ enum batadv_tt_data_flags {
BATADV_TT_FULL_TABLE = BIT(4),
};
-/* BATADV_TT_CLIENT flags.
- * Flags from BIT(0) to BIT(7) are sent on the wire, while flags from BIT(8) to
- * BIT(15) are used for local computation only.
- * Flags from BIT(4) to BIT(7) are kept in sync with the rest of the network.
+/**
+ * enum batadv_tt_client_flags - TT client specific flags
+ * @BATADV_TT_CLIENT_DEL: the client has to be deleted from the table
+ * @BATADV_TT_CLIENT_ROAM: the client roamed to/from another node and the new
+ * update telling its new real location has not been received/sent yet
+ * @BATADV_TT_CLIENT_WIFI: this client is connected through a wifi interface.
+ * This information is used by the "AP Isolation" feature
+ * @BATADV_TT_CLIENT_ISOLA: this client is considered "isolated". This
+ * information is used by the Extended Isolation feature
+ * @BATADV_TT_CLIENT_NOPURGE: this client should never be removed from the table
+ * @BATADV_TT_CLIENT_NEW: this client has been added to the local table but has
+ * not been announced yet
+ * @BATADV_TT_CLIENT_PENDING: this client is marked for removal but it is kept
+ * in the table for one more originator interval for consistency purposes
+ * @BATADV_TT_CLIENT_TEMP: this global client has been detected to be part of
+ * the network but no nnode has already announced it
+ *
+ * Bits from 0 to 7 are called _remote flags_ because they are sent on the wire.
+ * Bits from 8 to 15 are called _local flags_ because they are used for local
+ * computations only.
+ *
+ * Bits from 4 to 7 - a subset of remote flags - are ensured to be in sync with
+ * the other nodes in the network. To achieve this goal these flags are included
+ * in the TT CRC computation.
*/
enum batadv_tt_client_flags {
BATADV_TT_CLIENT_DEL = BIT(0),