firewire: Implement gap count optimization.

Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

1 files changed, 11 insertions, 4 deletions

diff --git a/drivers/firewire/fw-topology.h b/drivers/firewire/fw-topology.h
index ab03059a0da1..f2a575e05ae1 100644
--- a/drivers/firewire/fw-topology.h
+++ b/drivers/firewire/fw-topology.h
@@ -23,6 +23,12 @@
 #define __fw_topology_h
 
 enum {
+        FW_TOPOLOGY_A =         0x01,
+        FW_TOPOLOGY_B =         0x02,
+        FW_TOPOLOGY_MIXED =     0x03,
+};
+
+enum {
         FW_NODE_CREATED =   0x00,
         FW_NODE_UPDATED =   0x01,
         FW_NODE_DESTROYED = 0x02,
@@ -42,10 +48,11 @@ struct fw_node {
         unsigned link_on : 1;
         unsigned initiated_reset : 1;
         unsigned b_path : 1;
-        u8 phy_speed; /* As in the self ID packet. */
-        u8 max_speed; /* Minimum of all phy-speeds and port speeds on
-                       * the path from the local node to this node. */
-
+        u8 phy_speed : 3; /* As in the self ID packet. */
+        u8 max_speed : 5; /* Minimum of all phy-speeds and port speeds on
+                           * the path from the local node to this node. */
+        u8 max_depth : 4; /* Maximum depth to any leaf node */
+        u8 max_hops : 4;  /* Max hops in this sub tree */
         atomic_t ref_count;
 
         /* For serializing node topology into a list. */