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Diffstat (limited to 'net/bridge/br_private_stp.h')
-rw-r--r--net/bridge/br_private_stp.h43
1 files changed, 28 insertions, 15 deletions
diff --git a/net/bridge/br_private_stp.h b/net/bridge/br_private_stp.h
index 8b650f7fbfa..2fe910c4e17 100644
--- a/net/bridge/br_private_stp.h
+++ b/net/bridge/br_private_stp.h
@@ -16,10 +16,22 @@
#define BPDU_TYPE_CONFIG 0
#define BPDU_TYPE_TCN 0x80
-struct br_config_bpdu
-{
- unsigned topology_change:1;
- unsigned topology_change_ack:1;
+/* IEEE 802.1D-1998 timer values */
+#define BR_MIN_HELLO_TIME (1*HZ)
+#define BR_MAX_HELLO_TIME (10*HZ)
+
+#define BR_MIN_FORWARD_DELAY (2*HZ)
+#define BR_MAX_FORWARD_DELAY (30*HZ)
+
+#define BR_MIN_MAX_AGE (6*HZ)
+#define BR_MAX_MAX_AGE (40*HZ)
+
+#define BR_MIN_PATH_COST 1
+#define BR_MAX_PATH_COST 65535
+
+struct br_config_bpdu {
+ unsigned int topology_change:1;
+ unsigned int topology_change_ack:1;
bridge_id root;
int root_path_cost;
bridge_id bridge_id;
@@ -39,18 +51,19 @@ static inline int br_is_designated_port(const struct net_bridge_port *p)
/* br_stp.c */
-extern void br_become_root_bridge(struct net_bridge *br);
-extern void br_config_bpdu_generation(struct net_bridge *);
-extern void br_configuration_update(struct net_bridge *);
-extern void br_port_state_selection(struct net_bridge *);
-extern void br_received_config_bpdu(struct net_bridge_port *p, struct br_config_bpdu *bpdu);
-extern void br_received_tcn_bpdu(struct net_bridge_port *p);
-extern void br_transmit_config(struct net_bridge_port *p);
-extern void br_transmit_tcn(struct net_bridge *br);
-extern void br_topology_change_detection(struct net_bridge *br);
+void br_become_root_bridge(struct net_bridge *br);
+void br_config_bpdu_generation(struct net_bridge *);
+void br_configuration_update(struct net_bridge *);
+void br_port_state_selection(struct net_bridge *);
+void br_received_config_bpdu(struct net_bridge_port *p,
+ const struct br_config_bpdu *bpdu);
+void br_received_tcn_bpdu(struct net_bridge_port *p);
+void br_transmit_config(struct net_bridge_port *p);
+void br_transmit_tcn(struct net_bridge *br);
+void br_topology_change_detection(struct net_bridge *br);
/* br_stp_bpdu.c */
-extern void br_send_config_bpdu(struct net_bridge_port *, struct br_config_bpdu *);
-extern void br_send_tcn_bpdu(struct net_bridge_port *);
+void br_send_config_bpdu(struct net_bridge_port *, struct br_config_bpdu *);
+void br_send_tcn_bpdu(struct net_bridge_port *);
#endif