xref: /wlan-dirver/qca-wifi-host-cmn/dp/wifi3.0/dp_peer.h (revision bea437e2293c3d4fb1b5704fcf633aedac996962)
1 /*
2  * Copyright (c) 2016-2019 The Linux Foundation. All rights reserved.
3  *
4  * Permission to use, copy, modify, and/or distribute this software for
5  * any purpose with or without fee is hereby granted, provided that the
6  * above copyright notice and this permission notice appear in all
7  * copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
10  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
11  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
12  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
13  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
14  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
15  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
16  * PERFORMANCE OF THIS SOFTWARE.
17  */
18 #ifndef _DP_PEER_H_
19 #define _DP_PEER_H_
20 
21 #include <qdf_types.h>
22 #include <qdf_lock.h>
23 #include "dp_types.h"
24 
25 #define DP_INVALID_PEER_ID 0xffff
26 
27 #define DP_FW_PEER_STATS_CMP_TIMEOUT_MSEC 5000
28 /**
29  * __dp_peer_find_by_id() - Returns peer object given the peer id
30  *
31  * @soc		: core DP soc context
32  * @peer_id	: peer id from peer object can be retrieved
33  *
34  * Return: struct dp_peer*: Pointer to DP peer object
35  */
36 static inline struct dp_peer *
37 __dp_peer_find_by_id(struct dp_soc *soc,
38 		   uint16_t peer_id)
39 {
40 	struct dp_peer *peer;
41 
42 	/* TODO: Hold lock */
43 	peer = (peer_id >= soc->max_peers) ? NULL :
44 				soc->peer_id_to_obj_map[peer_id];
45 
46 	return peer;
47 }
48 
49 #ifdef PEER_PROTECTED_ACCESS
50 /**
51  * dp_peer_find_by_id() - Returns peer object given the peer id
52  *                        if delete_in_progress in not set for peer
53  *
54  * @soc		: core DP soc context
55  * @peer_id	: peer id from peer object can be retrieved
56  *
57  * Return: struct dp_peer*: Pointer to DP peer object
58  */
59 static inline
60 struct dp_peer *dp_peer_find_by_id(struct dp_soc *soc,
61 				   uint16_t peer_id)
62 {
63 	struct dp_peer *peer;
64 
65 	qdf_spin_lock_bh(&soc->peer_ref_mutex);
66 	peer = __dp_peer_find_by_id(soc, peer_id);
67 	if (!peer || (peer && peer->delete_in_progress)) {
68 		qdf_spin_unlock_bh(&soc->peer_ref_mutex);
69 		return NULL;
70 	}
71 	qdf_atomic_inc(&peer->ref_cnt);
72 	qdf_spin_unlock_bh(&soc->peer_ref_mutex);
73 
74 	return peer;
75 }
76 #else
77 static inline struct dp_peer *
78 dp_peer_find_by_id(struct dp_soc *soc,
79 		   uint16_t peer_id)
80 {
81 	struct dp_peer *peer;
82 
83 	peer = __dp_peer_find_by_id (soc, peer_id);
84 	if (peer && peer->delete_in_progress) {
85 		return NULL;
86 	}
87 
88 	return peer;
89 }
90 #endif /* PEER_LOCK_REF_PROTECT */
91 
92 void dp_print_ast_stats(struct dp_soc *soc);
93 void dp_rx_peer_map_handler(struct dp_soc *soc, uint16_t peer_id,
94 			    uint16_t hw_peer_id, uint8_t vdev_id,
95 			    uint8_t *peer_mac_addr, uint16_t ast_hash,
96 			    uint8_t is_wds);
97 void dp_rx_peer_unmap_handler(struct dp_soc *soc, uint16_t peer_id,
98 			      uint8_t vdev_id, uint8_t *peer_mac_addr,
99 			      uint8_t is_wds);
100 void dp_rx_sec_ind_handler(struct dp_soc *soc, uint16_t peer_id,
101 			   enum cdp_sec_type sec_type, int is_unicast,
102 			   u_int32_t *michael_key, u_int32_t *rx_pn);
103 uint8_t dp_get_peer_mac_addr_frm_id(struct cdp_soc_t *soc_handle,
104 		uint16_t peer_id, uint8_t *peer_mac);
105 
106 int dp_peer_add_ast(struct dp_soc *soc, struct dp_peer *peer,
107 		uint8_t *mac_addr, enum cdp_txrx_ast_entry_type type,
108 		uint32_t flags);
109 
110 void dp_peer_del_ast(struct dp_soc *soc, struct dp_ast_entry *ast_entry);
111 
112 void dp_peer_ast_unmap_handler(struct dp_soc *soc,
113 			       struct dp_ast_entry *ast_entry);
114 
115 int dp_peer_update_ast(struct dp_soc *soc, struct dp_peer *peer,
116 			struct dp_ast_entry *ast_entry,	uint32_t flags);
117 
118 struct dp_ast_entry *dp_peer_ast_hash_find_by_pdevid(struct dp_soc *soc,
119 						     uint8_t *ast_mac_addr,
120 						     uint8_t pdev_id);
121 
122 struct dp_ast_entry *dp_peer_ast_hash_find_soc(struct dp_soc *soc,
123 					       uint8_t *ast_mac_addr);
124 
125 struct dp_ast_entry *dp_peer_ast_list_find(struct dp_soc *soc,
126 					   struct dp_peer *peer,
127 					   uint8_t *ast_mac_addr);
128 
129 uint8_t dp_peer_ast_get_pdev_id(struct dp_soc *soc,
130 				struct dp_ast_entry *ast_entry);
131 
132 
133 uint8_t dp_peer_ast_get_next_hop(struct dp_soc *soc,
134 				struct dp_ast_entry *ast_entry);
135 
136 void dp_peer_ast_set_type(struct dp_soc *soc,
137 				struct dp_ast_entry *ast_entry,
138 				enum cdp_txrx_ast_entry_type type);
139 
140 void dp_peer_ast_send_wds_del(struct dp_soc *soc,
141 			      struct dp_ast_entry *ast_entry);
142 
143 void dp_peer_free_hmwds_cb(struct cdp_ctrl_objmgr_psoc *ctrl_psoc,
144 			   struct cdp_soc *dp_soc,
145 			   void *cookie,
146 			   enum cdp_ast_free_status status);
147 
148 void dp_peer_ast_hash_remove(struct dp_soc *soc,
149 			     struct dp_ast_entry *ase);
150 
151 /*
152  * dp_peer_find_by_id_exist - check if peer exists for given id
153  * @soc: core DP soc context
154  * @peer_id: peer id from peer object can be retrieved
155  *
156  * Return: true if peer exists of false otherwise
157  */
158 bool dp_peer_find_by_id_valid(struct dp_soc *soc, uint16_t peer_id);
159 
160 #define DP_AST_ASSERT(_condition) \
161 	do { \
162 		if (!(_condition)) { \
163 			dp_print_ast_stats(soc);\
164 			QDF_BUG(_condition); \
165 		} \
166 	} while (0)
167 
168 /**
169  * dp_peer_update_inactive_time - Update inactive time for peer
170  * @pdev: pdev object
171  * @tag_type: htt_tlv_tag type
172  * #tag_buf: buf message
173  */
174 void
175 dp_peer_update_inactive_time(struct dp_pdev *pdev, uint32_t tag_type,
176 			     uint32_t *tag_buf);
177 
178 #ifndef QCA_MULTIPASS_SUPPORT
179 /**
180  * dp_peer_set_vlan_id: set vlan_id for this peer
181  * @cdp_soc: soc handle
182  * @peer_mac: mac address
183  * @vlan_id: vlan id for peer
184  *
185  * return: void
186  */
187 static inline
188 void dp_peer_set_vlan_id(struct cdp_soc_t *cdp_soc,
189 			 struct cdp_vdev *vdev_handle, uint8_t *peer_mac,
190 			 uint16_t vlan_id)
191 {
192 }
193 
194 /**
195  * dp_set_vlan_groupkey: set vlan map for vdev
196  * @cdp_soc: soc handle
197  * @vdev_id: vdev_id
198  * @vlan_id: vlan_id of peer
199  * @group_key: group key for vlan
200  *
201  * return: set success/failure
202  */
203 static inline
204 QDF_STATUS dp_set_vlan_groupkey(struct cdp_soc_t *soc, uint8_t vdev_id,
205 				uint16_t vlan_id, uint16_t group_key)
206 {
207 	return QDF_STATUS_SUCCESS;
208 }
209 
210 /**
211  * dp_peer_multipass_list_init: initialize multipass peer list
212  * @vdev: pointer to vdev
213  *
214  * return: void
215  */
216 static inline
217 void dp_peer_multipass_list_init(struct dp_vdev *vdev)
218 {
219 }
220 
221 /**
222  * dp_peer_multipass_list_remove: remove peer from special peer list
223  * @peer: peer handle
224  *
225  * return: void
226  */
227 static inline
228 void dp_peer_multipass_list_remove(struct dp_peer *peer)
229 {
230 }
231 #else
232 void dp_peer_set_vlan_id(struct cdp_soc_t *cdp_soc,
233 			 struct cdp_vdev *vdev_handle, uint8_t *peer_mac,
234 			 uint16_t vlan_id);
235 QDF_STATUS dp_set_vlan_groupkey(struct cdp_soc_t *soc, uint8_t vdev_id,
236 				uint16_t vlan_id, uint16_t group_key);
237 void dp_peer_multipass_list_init(struct dp_vdev *vdev);
238 void dp_peer_multipass_list_remove(struct dp_peer *peer);
239 #endif
240 
241 /**
242  * dp_peer_update_pkt_capture_params: Set Rx & Tx Capture flags for a peer
243  * @is_rx_pkt_cap_enable: enable/disable Rx packet capture in monitor mode
244  * @is_tx_pkt_cap_enable: enable/disable Tx packet capture in monitor mode
245  * @peer_mac: MAC address for which the above need to be enabled/disabled
246  *
247  * Return: Success if Rx & Tx capture is enabled for peer, false otherwise
248  */
249 QDF_STATUS
250 dp_peer_update_pkt_capture_params(struct cdp_pdev *pdev,
251 				  bool is_rx_pkt_cap_enable,
252 				  bool is_tx_pkt_cap_enable,
253 				  uint8_t *peer_mac);
254 
255 /*
256  * dp_rx_tid_delete_cb() - Callback to flush reo descriptor HW cache
257  * after deleting the entries (ie., setting valid=0)
258  *
259  * @soc: DP SOC handle
260  * @cb_ctxt: Callback context
261  * @reo_status: REO command status
262  */
263 void dp_rx_tid_delete_cb(struct dp_soc *soc,
264 			 void *cb_ctxt,
265 			 union hal_reo_status *reo_status);
266 #endif /* _DP_PEER_H_ */
267