xref: /wlan-dirver/qca-wifi-host-cmn/umac/mlme/mlme_objmgr/dispatcher/src/wlan_psoc_mlme_main.c (revision 503663c6daafffe652fa360bde17243568cd6d2a) !
1 /*
2  * Copyright (c) 2019 The Linux Foundation. All rights reserved.
3  *
4  * Permission to use, copy, modify, and/or distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 /**
18  * DOC: Implements PSOC MLME APIs
19  */
20 
21 #include <qdf_module.h>
22 #include <wlan_objmgr_cmn.h>
23 #include <wlan_objmgr_global_obj.h>
24 #include <wlan_mlme_dbg.h>
25 #include <include/wlan_mlme_cmn.h>
26 #include <include/wlan_psoc_mlme.h>
27 #include <wlan_psoc_mlme_main.h>
28 #include <wlan_psoc_mlme_api.h>
29 #include <target_if_psoc_wake_lock.h>
30 
31 struct psoc_mlme_obj *mlme_psoc_get_priv(struct wlan_objmgr_psoc *psoc)
32 {
33 	struct psoc_mlme_obj *psoc_mlme;
34 
35 	psoc_mlme = wlan_objmgr_psoc_get_comp_private_obj(psoc,
36 							  WLAN_UMAC_COMP_MLME);
37 	if (!psoc_mlme) {
38 		mlme_err("PSOC MLME component object is NULL");
39 		return NULL;
40 	}
41 
42 	return psoc_mlme;
43 }
44 
45 qdf_export_symbol(mlme_psoc_get_priv);
46 
47 static QDF_STATUS mlme_psoc_obj_create_handler(struct wlan_objmgr_psoc *psoc,
48 					       void *arg)
49 {
50 	struct psoc_mlme_obj *psoc_mlme;
51 	QDF_STATUS status = QDF_STATUS_SUCCESS;
52 
53 	psoc_mlme = qdf_mem_malloc(sizeof(struct psoc_mlme_obj));
54 	if (!psoc_mlme) {
55 		mlme_err("Failed to allocate PSOS mlme Object");
56 		return QDF_STATUS_E_NOMEM;
57 	}
58 
59 	psoc_mlme->psoc = psoc;
60 
61 	status = mlme_psoc_ops_ext_hdl_create(psoc_mlme);
62 	if (QDF_IS_STATUS_ERROR(status)) {
63 		mlme_err("Failed to allocate psoc ext handle");
64 		goto init_failed;
65 	}
66 
67 	status = wlan_objmgr_psoc_component_obj_attach(psoc,
68 						       WLAN_UMAC_COMP_MLME,
69 						       psoc_mlme,
70 						       QDF_STATUS_SUCCESS);
71 	if (QDF_IS_STATUS_ERROR(status)) {
72 		mlme_err("Failed to attach psoc_ctx with psoc");
73 		goto init_failed;
74 	}
75 
76 	target_if_wake_lock_init(psoc);
77 	return QDF_STATUS_SUCCESS;
78 init_failed:
79 	qdf_mem_free(psoc_mlme);
80 
81 	return status;
82 }
83 
84 static QDF_STATUS mlme_psoc_obj_destroy_handler(struct wlan_objmgr_psoc *psoc,
85 						void *arg)
86 {
87 	struct psoc_mlme_obj *psoc_mlme;
88 
89 	psoc_mlme = mlme_psoc_get_priv(psoc);
90 	if (!psoc_mlme) {
91 		mlme_err("PSOC MLME component object is NULL");
92 		return QDF_STATUS_E_FAILURE;
93 	}
94 
95 	target_if_wake_lock_deinit(psoc);
96 	wlan_objmgr_psoc_component_obj_detach(psoc, WLAN_UMAC_COMP_MLME,
97 					      psoc_mlme);
98 
99 	mlme_psoc_ops_ext_hdl_destroy(psoc_mlme);
100 
101 	qdf_mem_free(psoc_mlme);
102 
103 	return QDF_STATUS_SUCCESS;
104 }
105 
106 QDF_STATUS wlan_psoc_mlme_init(void)
107 {
108 	if (wlan_objmgr_register_psoc_create_handler
109 				(WLAN_UMAC_COMP_MLME,
110 				 mlme_psoc_obj_create_handler, NULL)
111 						!= QDF_STATUS_SUCCESS)
112 		return QDF_STATUS_E_FAILURE;
113 
114 	if (wlan_objmgr_register_psoc_destroy_handler
115 				(WLAN_UMAC_COMP_MLME,
116 				 mlme_psoc_obj_destroy_handler, NULL)
117 						!= QDF_STATUS_SUCCESS) {
118 		if (wlan_objmgr_unregister_psoc_create_handler
119 					(WLAN_UMAC_COMP_MLME,
120 					 mlme_psoc_obj_create_handler, NULL)
121 						!= QDF_STATUS_SUCCESS)
122 			return QDF_STATUS_E_FAILURE;
123 
124 		return QDF_STATUS_E_FAILURE;
125 	}
126 
127 	return QDF_STATUS_SUCCESS;
128 }
129 
130 QDF_STATUS wlan_psoc_mlme_deinit(void)
131 {
132 	if (wlan_objmgr_unregister_psoc_create_handler
133 				(WLAN_UMAC_COMP_MLME,
134 				 mlme_psoc_obj_create_handler, NULL)
135 					!= QDF_STATUS_SUCCESS)
136 		return QDF_STATUS_E_FAILURE;
137 
138 	if (wlan_objmgr_unregister_psoc_destroy_handler
139 				(WLAN_UMAC_COMP_MLME,
140 				 mlme_psoc_obj_destroy_handler, NULL)
141 						!= QDF_STATUS_SUCCESS)
142 		return QDF_STATUS_E_FAILURE;
143 
144 	return QDF_STATUS_SUCCESS;
145 }
146