cregit-Linux how code gets into the kernel

Release 4.14 net/bridge/br_private_stp.h

Directory: net/bridge
 *      Linux ethernet bridge
 *      Authors:
 *      Lennert Buytenhek               <>
 *      This program is free software; you can redistribute it and/or
 *      modify it under the terms of the GNU General Public License
 *      as published by the Free Software Foundation; either version
 *      2 of the License, or (at your option) any later version.




#define BPDU_TYPE_TCN 0x80

/* IEEE 802.1D-1998 timer values */

#define BR_MIN_HELLO_TIME	(1*HZ)

#define BR_MAX_HELLO_TIME	(10*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;
port_id		port_id;
int		message_age;
int		max_age;
int		hello_time;
int		forward_delay;

/* called under bridge lock */

static inline int br_is_designated_port(const struct net_bridge_port *p) { return !memcmp(&p->designated_bridge, &p->br->bridge_id, 8) && (p->designated_port == p->port_id); }


Stephen Hemminger42100.00%1100.00%

/* br_stp.c */ 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); void __br_set_topology_change(struct net_bridge *br, unsigned char val); /* br_stp_bpdu.c */ void br_send_config_bpdu(struct net_bridge_port *, struct br_config_bpdu *); void br_send_tcn_bpdu(struct net_bridge_port *); #endif

Overall Contributors

Linus Torvalds (pre-git)16063.24%225.00%
Stephen Hemminger7730.43%337.50%
Vivien Didelot135.14%112.50%
Eric Dumazet20.79%112.50%
Adrian Bunk10.40%112.50%
Directory: net/bridge
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