1/*
2 * FST module - FST group object definitions
3 * Copyright (c) 2014, Qualcomm Atheros, Inc.
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9#ifndef FST_GROUP_H
10#define FST_GROUP_H
11
12struct fst_group {
13	char group_id[IFNAMSIZ + 1];
14	struct dl_list ifaces;
15	u8 dialog_token;
16	u32 fsts_id;
17	struct dl_list global_groups_lentry;
18};
19
20struct session_transition_ie;
21
22#define foreach_fst_group_iface(g, i) \
23	dl_list_for_each((i), &(g)->ifaces, struct fst_iface, group_lentry)
24
25struct fst_group * fst_group_create(const char *group_id);
26void fst_group_attach_iface(struct fst_group *g, struct fst_iface *i);
27void fst_group_detach_iface(struct fst_group *g, struct fst_iface *i);
28void fst_group_delete(struct fst_group *g);
29
30void fst_group_update_ie(struct fst_group *g);
31
32static inline Boolean fst_group_has_ifaces(struct fst_group *g)
33{
34	return !dl_list_empty(&g->ifaces);
35}
36
37static inline struct fst_iface * fst_group_first_iface(struct fst_group *g)
38{
39	return dl_list_first(&g->ifaces, struct fst_iface, group_lentry);
40}
41
42static inline const char * fst_group_get_id(struct fst_group *g)
43{
44	return g->group_id;
45}
46
47Boolean fst_group_delete_if_empty(struct fst_group *group);
48struct fst_iface * fst_group_get_iface_by_name(struct fst_group *g,
49					       const char *ifname);
50struct fst_iface *
51fst_group_find_new_iface_by_stie(struct fst_group *g,
52				 struct fst_iface *iface,
53				 const u8 *peer_addr,
54				 const struct session_transition_ie *stie,
55				 u8 *iface_peer_addr);
56struct fst_iface *
57fst_group_get_new_iface_by_stie_and_mbie(
58	struct fst_group *g, const u8 *mb_ies_buff, size_t mb_ies_size,
59	const struct session_transition_ie *stie, u8 *iface_peer_addr);
60u8  fst_group_assign_dialog_token(struct fst_group *g);
61u32 fst_group_assign_fsts_id(struct fst_group *g);
62
63extern struct dl_list fst_global_groups_list;
64
65#define foreach_fst_group(g) \
66	dl_list_for_each((g), &fst_global_groups_list, \
67			 struct fst_group, global_groups_lentry)
68
69static inline struct fst_group * fst_first_group(void)
70{
71	return dl_list_first(&fst_global_groups_list, struct fst_group,
72			     global_groups_lentry);
73}
74
75#endif /* FST_GROUP_H */
76