diff options
Diffstat (limited to 'net/tipc/bcast.h')
-rw-r--r-- | net/tipc/bcast.h | 88 |
1 files changed, 11 insertions, 77 deletions
diff --git a/net/tipc/bcast.h b/net/tipc/bcast.h index d74c69bcf60b..d379b0afe8e8 100644 --- a/net/tipc/bcast.h +++ b/net/tipc/bcast.h @@ -37,83 +37,17 @@ #ifndef _TIPC_BCAST_H #define _TIPC_BCAST_H -#include <linux/tipc_config.h> -#include "link.h" -#include "node.h" - -/** - * struct tipc_bcbearer_pair - a pair of bearers used by broadcast link - * @primary: pointer to primary bearer - * @secondary: pointer to secondary bearer - * - * Bearers must have same priority and same set of reachable destinations - * to be paired. - */ - -struct tipc_bcbearer_pair { - struct tipc_bearer *primary; - struct tipc_bearer *secondary; -}; - -#define BCBEARER MAX_BEARERS - -/** - * struct tipc_bcbearer - bearer used by broadcast link - * @bearer: (non-standard) broadcast bearer structure - * @media: (non-standard) broadcast media structure - * @bpairs: array of bearer pairs - * @bpairs_temp: temporary array of bearer pairs used by tipc_bcbearer_sort() - * @remains: temporary node map used by tipc_bcbearer_send() - * @remains_new: temporary node map used tipc_bcbearer_send() - * - * Note: The fields labelled "temporary" are incorporated into the bearer - * to avoid consuming potentially limited stack space through the use of - * large local variables within multicast routines. Concurrent access is - * prevented through use of the spinlock "bclink_lock". - */ -struct tipc_bcbearer { - struct tipc_bearer bearer; - struct tipc_media media; - struct tipc_bcbearer_pair bpairs[MAX_BEARERS]; - struct tipc_bcbearer_pair bpairs_temp[TIPC_MAX_LINK_PRI + 1]; - struct tipc_node_map remains; - struct tipc_node_map remains_new; -}; - -/** - * struct tipc_bclink - link used for broadcast messages - * @lock: spinlock governing access to structure - * @link: (non-standard) broadcast link structure - * @node: (non-standard) node structure representing b'cast link's peer node - * @bcast_nodes: map of broadcast-capable nodes - * @retransmit_to: node that most recently requested a retransmit - * - * Handles sequence numbering, fragmentation, bundling, etc. - */ -struct tipc_bclink { - spinlock_t lock; - struct tipc_link link; - struct tipc_node node; - struct sk_buff_head arrvq; - struct sk_buff_head inputq; - struct tipc_node_map bcast_nodes; - struct tipc_node *retransmit_to; -}; +#include "core.h" struct tipc_node; -extern const char tipc_bclink_name[]; +struct tipc_msg; +struct tipc_nl_msg; +struct tipc_node_map; -/** - * tipc_nmap_equal - test for equality of node maps - */ -static inline int tipc_nmap_equal(struct tipc_node_map *nm_a, - struct tipc_node_map *nm_b) -{ - return !memcmp(nm_a, nm_b, sizeof(*nm_a)); -} +extern const char tipc_bclink_name[]; -int tipc_bclink_init(struct net *net); -void tipc_bclink_stop(struct net *net); +int tipc_bcast_init(struct net *net); +void tipc_bcast_stop(struct net *net); void tipc_bclink_add_node(struct net *net, u32 addr); void tipc_bclink_remove_node(struct net *net, u32 addr); struct tipc_node *tipc_bclink_retransmit_to(struct net *tn); @@ -123,12 +57,12 @@ u32 tipc_bclink_get_last_sent(struct net *net); u32 tipc_bclink_acks_missing(struct tipc_node *n_ptr); void tipc_bclink_update_link_state(struct tipc_node *node, u32 last_sent); -int tipc_bclink_reset_stats(struct net *net); -int tipc_bclink_set_queue_limits(struct net *net, u32 limit); void tipc_bcbearer_sort(struct net *net, struct tipc_node_map *nm_ptr, u32 node, bool action); -uint tipc_bclink_get_mtu(void); -int tipc_bclink_xmit(struct net *net, struct sk_buff_head *list); +int tipc_bclink_reset_stats(struct net *net); +int tipc_bclink_set_queue_limits(struct net *net, u32 limit); +uint tipc_bcast_get_mtu(void); +int tipc_bcast_xmit(struct net *net, struct sk_buff_head *list); void tipc_bclink_wakeup_users(struct net *net); int tipc_nl_add_bc_link(struct net *net, struct tipc_nl_msg *msg); int tipc_nl_bc_link_set(struct net *net, struct nlattr *attrs[]); |