Lines Matching refs:group
2 * Wi-Fi Direct - P2P group operations
32 * struct p2p_group - Internal P2P module per-group data
49 struct p2p_group *group, **groups;
51 group = os_zalloc(sizeof(*group));
52 if (group == NULL)
58 os_free(group);
61 groups[p2p->num_groups++] = group;
64 group->p2p = p2p;
65 group->cfg = config;
66 group->group_formation = 1;
67 group->beacon_update = 1;
68 p2p_group_update_ies(group);
69 group->cfg->idle_update(group->cfg->cb_ctx, 1);
71 return group;
84 static void p2p_group_free_members(struct p2p_group *group)
87 m = group->members;
88 group->members = NULL;
89 group->num_members = 0;
98 void p2p_group_deinit(struct p2p_group *group)
103 if (group == NULL)
106 p2p = group->p2p;
109 if (p2p->groups[g] == group) {
119 p2p_group_free_members(group);
120 os_free(group->cfg);
121 wpabuf_free(group->noa);
122 wpabuf_free(group->wfd_ie);
123 os_free(group);
137 static void p2p_group_add_common_ies(struct p2p_group *group,
140 u8 dev_capab = group->p2p->dev_capab, group_capab = 0;
145 if (group->cfg->persistent_group) {
147 if (group->cfg->persistent_group == 2)
150 if (group->p2p->cfg->p2p_intra_bss)
152 if (group->group_formation)
154 if (group->p2p->cross_connect)
156 if (group->num_members >= group->cfg->max_clients)
207 static struct wpabuf * p2p_group_build_beacon_ie(struct p2p_group *group)
214 if (group->p2p->wfd_ie_beacon)
215 extra = wpabuf_len(group->p2p->wfd_ie_beacon);
218 if (group->p2p->vendor_elem &&
219 group->p2p->vendor_elem[VENDOR_ELEM_BEACON_P2P_GO])
220 extra += wpabuf_len(group->p2p->vendor_elem[VENDOR_ELEM_BEACON_P2P_GO]);
227 if (group->p2p->wfd_ie_beacon)
228 wpabuf_put_buf(ie, group->p2p->wfd_ie_beacon);
231 if (group->p2p->vendor_elem &&
232 group->p2p->vendor_elem[VENDOR_ELEM_BEACON_P2P_GO])
234 group->p2p->vendor_elem[VENDOR_ELEM_BEACON_P2P_GO]);
237 p2p_group_add_common_ies(group, ie);
238 p2p_buf_add_device_id(ie, group->p2p->cfg->dev_addr);
239 p2p_group_add_noa(ie, group->noa);
353 wifi_display_build_go_ie(struct p2p_group *group)
360 if (!group->p2p->wfd_ie_probe_resp)
363 wfd_subelems = wpabuf_alloc(wpabuf_len(group->p2p->wfd_ie_probe_resp) +
364 group->num_members * 24 + 100);
367 if (group->p2p->wfd_dev_info)
368 wpabuf_put_buf(wfd_subelems, group->p2p->wfd_dev_info);
369 if (group->p2p->wfd_assoc_bssid)
371 group->p2p->wfd_assoc_bssid);
372 if (group->p2p->wfd_coupled_sink_info)
374 group->p2p->wfd_coupled_sink_info);
379 m = group->members;
392 p2p_dbg(group->p2p, "WFD: WFD Session Info: %u descriptors",
402 static void wifi_display_group_update(struct p2p_group *group)
404 wpabuf_free(group->wfd_ie);
405 group->wfd_ie = wifi_display_build_go_ie(group);
411 void p2p_buf_add_group_info(struct p2p_group *group, struct wpabuf *buf,
418 p2p_dbg(group->p2p, "* P2P Group Info");
422 for (m = group->members; m; m = m->next) {
433 void p2p_group_buf_add_id(struct p2p_group *group, struct wpabuf *buf)
435 p2p_buf_add_group_id(buf, group->p2p->cfg->dev_addr, group->cfg->ssid,
436 group->cfg->ssid_len);
440 static struct wpabuf * p2p_group_build_probe_resp_ie(struct p2p_group *group)
448 p2p_group_add_common_ies(group, p2p_subelems);
449 p2p_group_add_noa(p2p_subelems, group->noa);
452 p2p_buf_add_device_info(p2p_subelems, group->p2p, NULL);
455 if (group->members)
456 p2p_buf_add_group_info(group, p2p_subelems, -1);
461 if (group->p2p->vendor_elem &&
462 group->p2p->vendor_elem[VENDOR_ELEM_PROBE_RESP_P2P_GO]) {
464 extra = wpabuf_dup(group->p2p->vendor_elem[VENDOR_ELEM_PROBE_RESP_P2P_GO]);
469 if (group->wfd_ie) {
470 struct wpabuf *wfd = wpabuf_dup(group->wfd_ie);
479 void p2p_group_update_ies(struct p2p_group *group)
485 wifi_display_group_update(group);
488 probe_resp_ie = p2p_group_build_probe_resp_ie(group);
494 if (group->beacon_update) {
495 beacon_ie = p2p_group_build_beacon_ie(group);
497 group->beacon_update = 0;
503 group->cfg->ie_update(group->cfg->cb_ctx, beacon_ie, probe_resp_ie);
569 static int p2p_group_remove_member(struct p2p_group *group, const u8 *addr)
573 if (group == NULL)
576 m = group->members;
591 group->members = m->next;
593 group->num_members--;
599 int p2p_group_notif_assoc(struct p2p_group *group, const u8 *addr,
604 if (group == NULL)
607 p2p_add_device(group->p2p, addr, 0, NULL, 0, ie, len, 0);
623 p2p_group_remove_member(group, addr);
625 m->next = group->members;
626 group->members = m;
627 group->num_members++;
628 p2p_dbg(group->p2p, "Add client " MACSTR
629 " to group (p2p=%d wfd=%d client_info=%d); num_members=%u/%u",
632 group->num_members, group->cfg->max_clients);
633 if (group->num_members == group->cfg->max_clients)
634 group->beacon_update = 1;
635 p2p_group_update_ies(group);
636 if (group->num_members == 1)
637 group->cfg->idle_update(group->cfg->cb_ctx, 0);
643 struct wpabuf * p2p_group_assoc_resp_ie(struct p2p_group *group, u8 status)
650 if (group->wfd_ie)
651 extra = wpabuf_len(group->wfd_ie);
654 if (group->p2p->vendor_elem &&
655 group->p2p->vendor_elem[VENDOR_ELEM_P2P_ASSOC_RESP])
656 extra += wpabuf_len(group->p2p->vendor_elem[VENDOR_ELEM_P2P_ASSOC_RESP]);
669 if (group->wfd_ie)
670 wpabuf_put_buf(resp, group->wfd_ie);
673 if (group->p2p->vendor_elem &&
674 group->p2p->vendor_elem[VENDOR_ELEM_P2P_ASSOC_RESP])
676 group->p2p->vendor_elem[VENDOR_ELEM_P2P_ASSOC_RESP]);
687 void p2p_group_notif_disassoc(struct p2p_group *group, const u8 *addr)
689 if (p2p_group_remove_member(group, addr)) {
690 p2p_dbg(group->p2p, "Remove client " MACSTR
691 " from group; num_members=%u/%u",
692 MAC2STR(addr), group->num_members,
693 group->cfg->max_clients);
694 if (group->num_members == group->cfg->max_clients - 1)
695 group->beacon_update = 1;
696 p2p_group_update_ies(group);
697 if (group->num_members == 0)
698 group->cfg->idle_update(group->cfg->cb_ctx, 1);
710 * WPS IE with the device types of a group member for deciding whether a GO
756 int p2p_group_match_dev_type(struct p2p_group *group, struct wpabuf *wps)
760 if (p2p_match_dev_type(group->p2p, wps))
763 for (m = group->members; m; m = m->next) {
765 return 1; /* Match with group client device type */
773 int p2p_group_match_dev_id(struct p2p_group *group, struct wpabuf *p2p)
785 if (os_memcmp(msg.device_id, group->p2p->cfg->dev_addr, ETH_ALEN) == 0)
788 for (m = group->members; m; m = m->next) {
790 return 1; /* Match with group client P2P Device Address */
798 void p2p_group_notif_formation_done(struct p2p_group *group)
800 if (group == NULL)
802 group->group_formation = 0;
803 group->beacon_update = 1;
804 p2p_group_update_ies(group);
808 int p2p_group_notif_noa(struct p2p_group *group, const u8 *noa,
812 wpabuf_free(group->noa);
813 group->noa = NULL;
815 if (group->noa) {
816 if (wpabuf_size(group->noa) >= noa_len) {
817 group->noa->used = 0;
818 wpabuf_put_data(group->noa, noa, noa_len);
820 wpabuf_free(group->noa);
821 group->noa = NULL;
825 if (!group->noa) {
826 group->noa = wpabuf_alloc_copy(noa, noa_len);
827 if (group->noa == NULL)
832 group->beacon_update = 1;
833 p2p_group_update_ies(group);
838 static struct p2p_group_member * p2p_group_get_client(struct p2p_group *group,
843 for (m = group->members; m; m = m->next) {
853 struct p2p_group *group, const u8 *interface_addr)
857 for (m = group->members; m; m = m->next) {
866 const u8 * p2p_group_get_dev_addr(struct p2p_group *group, const u8 *addr)
870 if (group == NULL)
872 m = p2p_group_get_client_iface(group, addr);
893 int p2p_group_go_discover(struct p2p_group *group, const u8 *dev_id,
898 struct p2p_data *p2p = group->p2p;
901 m = p2p_group_get_client(group, dev_id);
903 p2p_dbg(group->p2p, "Requested client was not in this group "
904 MACSTR, MAC2STR(group->cfg->interface_addr));
909 p2p_dbg(group->p2p, "Requested client does not support client discoverability");
913 p2p_dbg(group->p2p, "Schedule GO Discoverability Request to be sent to "
920 /* TODO: Should really use group operating frequency here */
925 group->cfg->interface_addr,
926 group->cfg->interface_addr,
938 const u8 * p2p_group_get_interface_addr(struct p2p_group *group)
940 return group->cfg->interface_addr;
944 u8 p2p_group_presence_req(struct p2p_group *group,
952 m = p2p_group_get_client_iface(group, client_interface_addr);
954 p2p_dbg(group->p2p, "Client was not in this group");
960 if (group->p2p->cfg->get_noa)
961 curr_noa_len = group->p2p->cfg->get_noa(
962 group->p2p->cfg->cb_ctx, group->cfg->interface_addr,
967 p2p_dbg(group->p2p, "Failed to fetch current NoA");
969 p2p_dbg(group->p2p, "No NoA being advertized");
982 unsigned int p2p_get_group_num_members(struct p2p_group *group)
984 return group->num_members;
988 const u8 * p2p_iterate_group_members(struct p2p_group *group, void **next)
993 iter = group->members;
1006 int p2p_group_is_client_connected(struct p2p_group *group, const u8 *dev_addr)
1010 for (m = group->members; m; m = m->next) {
1019 int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id,
1022 if (group_id_len != ETH_ALEN + group->cfg->ssid_len)
1024 if (os_memcmp(group_id, group->p2p->cfg->dev_addr, ETH_ALEN) != 0)
1026 return os_memcmp(group_id + ETH_ALEN, group->cfg->ssid,
1027 group->cfg->ssid_len) == 0;
1031 void p2p_group_force_beacon_update_ies(struct p2p_group *group)
1033 group->beacon_update = 1;
1034 p2p_group_update_ies(group);
1038 int p2p_group_get_freq(struct p2p_group *group)
1040 return group->cfg->freq;
1044 const struct p2p_group_config * p2p_group_get_config(struct p2p_group *group)
1046 return group->cfg;
1051 int (*group_callback)(struct p2p_group *group,