Commit | Line | Data |
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3d99d987 AP |
1 | /* |
2 | * Marvell Wireless LAN device driver: AP event handling | |
3 | * | |
65da33f5 | 4 | * Copyright (C) 2012-2014, Marvell International Ltd. |
3d99d987 AP |
5 | * |
6 | * This software file (the "File") is distributed by Marvell International | |
7 | * Ltd. under the terms of the GNU General Public License Version 2, June 1991 | |
8 | * (the "License"). You may use, redistribute and/or modify this File in | |
9 | * accordance with the terms and conditions of the License, a copy of which | |
10 | * is available by writing to the Free Software Foundation, Inc., | |
11 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the | |
12 | * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. | |
13 | * | |
14 | * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE | |
15 | * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE | |
16 | * ARE EXPRESSLY DISCLAIMED. The License provides additional details about | |
17 | * this warranty disclaimer. | |
18 | */ | |
19 | ||
20 | #include "decl.h" | |
21 | #include "main.h" | |
5a009adf | 22 | #include "11n.h" |
3d99d987 | 23 | |
debfc600 | 24 | #define MWIFIEX_BSS_START_EVT_FIX_SIZE 12 |
017a92a1 | 25 | |
debfc600 AP |
26 | static int mwifiex_check_uap_capabilties(struct mwifiex_private *priv, |
27 | struct sk_buff *event) | |
28 | { | |
29 | int evt_len; | |
30 | u8 *curr; | |
31 | u16 tlv_len; | |
32 | struct mwifiex_ie_types_data *tlv_hdr; | |
33 | struct ieee_types_wmm_parameter *wmm_param_ie = NULL; | |
34 | int mask = IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK; | |
35 | ||
36 | priv->wmm_enabled = false; | |
37 | skb_pull(event, MWIFIEX_BSS_START_EVT_FIX_SIZE); | |
38 | evt_len = event->len; | |
39 | curr = event->data; | |
40 | ||
41 | mwifiex_dbg_dump(priv->adapter, EVT_D, "uap capabilties:", | |
42 | event->data, event->len); | |
43 | ||
6c631732 AK |
44 | skb_push(event, MWIFIEX_BSS_START_EVT_FIX_SIZE); |
45 | ||
debfc600 AP |
46 | while ((evt_len >= sizeof(tlv_hdr->header))) { |
47 | tlv_hdr = (struct mwifiex_ie_types_data *)curr; | |
48 | tlv_len = le16_to_cpu(tlv_hdr->header.len); | |
49 | ||
50 | if (evt_len < tlv_len + sizeof(tlv_hdr->header)) | |
51 | break; | |
52 | ||
53 | switch (le16_to_cpu(tlv_hdr->header.type)) { | |
54 | case WLAN_EID_HT_CAPABILITY: | |
55 | priv->ap_11n_enabled = true; | |
56 | break; | |
57 | ||
58 | case WLAN_EID_VHT_CAPABILITY: | |
59 | priv->ap_11ac_enabled = true; | |
60 | break; | |
61 | ||
62 | case WLAN_EID_VENDOR_SPECIFIC: | |
63 | /* Point the regular IEEE IE 2 bytes into the Marvell IE | |
64 | * and setup the IEEE IE type and length byte fields | |
65 | */ | |
66 | wmm_param_ie = (void *)(curr + 2); | |
67 | wmm_param_ie->vend_hdr.len = (u8)tlv_len; | |
68 | wmm_param_ie->vend_hdr.element_id = | |
69 | WLAN_EID_VENDOR_SPECIFIC; | |
70 | mwifiex_dbg(priv->adapter, EVENT, | |
71 | "info: check uap capabilities:\t" | |
72 | "wmm parameter set count: %d\n", | |
73 | wmm_param_ie->qos_info_bitmap & mask); | |
74 | ||
75 | mwifiex_wmm_setup_ac_downgrade(priv); | |
76 | priv->wmm_enabled = true; | |
77 | mwifiex_wmm_setup_queue_priorities(priv, wmm_param_ie); | |
78 | break; | |
79 | ||
80 | default: | |
81 | break; | |
82 | } | |
83 | ||
84 | curr += (tlv_len + sizeof(tlv_hdr->header)); | |
85 | evt_len -= (tlv_len + sizeof(tlv_hdr->header)); | |
86 | } | |
017a92a1 | 87 | |
debfc600 AP |
88 | return 0; |
89 | } | |
017a92a1 | 90 | |
3d99d987 AP |
91 | /* |
92 | * This function handles AP interface specific events generated by firmware. | |
93 | * | |
94 | * Event specific routines are called by this function based | |
95 | * upon the generated event cause. | |
96 | * | |
97 | * | |
98 | * Events supported for AP - | |
99 | * - EVENT_UAP_STA_ASSOC | |
100 | * - EVENT_UAP_STA_DEAUTH | |
101 | * - EVENT_UAP_BSS_ACTIVE | |
102 | * - EVENT_UAP_BSS_START | |
103 | * - EVENT_UAP_BSS_IDLE | |
104 | * - EVENT_UAP_MIC_COUNTERMEASURES: | |
105 | */ | |
106 | int mwifiex_process_uap_event(struct mwifiex_private *priv) | |
107 | { | |
108 | struct mwifiex_adapter *adapter = priv->adapter; | |
017a92a1 | 109 | int len, i; |
3d99d987 AP |
110 | u32 eventcause = adapter->event_cause; |
111 | struct station_info sinfo; | |
112 | struct mwifiex_assoc_event *event; | |
017a92a1 AP |
113 | struct mwifiex_sta_node *node; |
114 | u8 *deauth_mac; | |
5a009adf | 115 | struct host_cmd_ds_11n_batimeout *ba_timeout; |
8dd4372e | 116 | u16 ctrl; |
3d99d987 AP |
117 | |
118 | switch (eventcause) { | |
119 | case EVENT_UAP_STA_ASSOC: | |
120 | memset(&sinfo, 0, sizeof(sinfo)); | |
121 | event = (struct mwifiex_assoc_event *) | |
122 | (adapter->event_body + MWIFIEX_UAP_EVENT_EXTRA_HEADER); | |
123 | if (le16_to_cpu(event->type) == TLV_TYPE_UAP_MGMT_FRAME) { | |
124 | len = -1; | |
125 | ||
126 | if (ieee80211_is_assoc_req(event->frame_control)) | |
127 | len = 0; | |
128 | else if (ieee80211_is_reassoc_req(event->frame_control)) | |
129 | /* There will be ETH_ALEN bytes of | |
130 | * current_ap_addr before the re-assoc ies. | |
131 | */ | |
132 | len = ETH_ALEN; | |
133 | ||
134 | if (len != -1) { | |
3d99d987 AP |
135 | sinfo.assoc_req_ies = &event->data[len]; |
136 | len = (u8 *)sinfo.assoc_req_ies - | |
137 | (u8 *)&event->frame_control; | |
138 | sinfo.assoc_req_ies_len = | |
139 | le16_to_cpu(event->len) - (u16)len; | |
140 | } | |
141 | } | |
142 | cfg80211_new_sta(priv->netdev, event->sta_addr, &sinfo, | |
143 | GFP_KERNEL); | |
017a92a1 AP |
144 | |
145 | node = mwifiex_add_sta_entry(priv, event->sta_addr); | |
146 | if (!node) { | |
acebe8c1 ZL |
147 | mwifiex_dbg(adapter, ERROR, |
148 | "could not create station entry!\n"); | |
017a92a1 AP |
149 | return -1; |
150 | } | |
151 | ||
152 | if (!priv->ap_11n_enabled) | |
153 | break; | |
154 | ||
155 | mwifiex_set_sta_ht_cap(priv, sinfo.assoc_req_ies, | |
156 | sinfo.assoc_req_ies_len, node); | |
157 | ||
158 | for (i = 0; i < MAX_NUM_TID; i++) { | |
159 | if (node->is_11n_enabled) | |
160 | node->ampdu_sta[i] = | |
161 | priv->aggr_prio_tbl[i].ampdu_user; | |
162 | else | |
163 | node->ampdu_sta[i] = BA_STREAM_NOT_ALLOWED; | |
164 | } | |
165 | memset(node->rx_seq, 0xff, sizeof(node->rx_seq)); | |
3d99d987 AP |
166 | break; |
167 | case EVENT_UAP_STA_DEAUTH: | |
017a92a1 AP |
168 | deauth_mac = adapter->event_body + |
169 | MWIFIEX_UAP_EVENT_EXTRA_HEADER; | |
170 | cfg80211_del_sta(priv->netdev, deauth_mac, GFP_KERNEL); | |
171 | ||
3e238a11 AP |
172 | if (priv->ap_11n_enabled) { |
173 | mwifiex_11n_del_rx_reorder_tbl_by_ta(priv, deauth_mac); | |
174 | mwifiex_del_tx_ba_stream_tbl_by_ra(priv, deauth_mac); | |
175 | } | |
9817fffb | 176 | mwifiex_wmm_del_peer_ra_list(priv, deauth_mac); |
017a92a1 | 177 | mwifiex_del_sta_entry(priv, deauth_mac); |
3d99d987 AP |
178 | break; |
179 | case EVENT_UAP_BSS_IDLE: | |
180 | priv->media_connected = false; | |
5c894633 | 181 | priv->port_open = false; |
3e238a11 | 182 | mwifiex_clean_txrx(priv); |
017a92a1 | 183 | mwifiex_del_all_sta_list(priv); |
3d99d987 AP |
184 | break; |
185 | case EVENT_UAP_BSS_ACTIVE: | |
186 | priv->media_connected = true; | |
5c894633 | 187 | priv->port_open = true; |
3d99d987 AP |
188 | break; |
189 | case EVENT_UAP_BSS_START: | |
acebe8c1 ZL |
190 | mwifiex_dbg(adapter, EVENT, |
191 | "AP EVENT: event id: %#x\n", eventcause); | |
5c894633 | 192 | priv->port_open = false; |
3d99d987 AP |
193 | memcpy(priv->netdev->dev_addr, adapter->event_body + 2, |
194 | ETH_ALEN); | |
cbf6e055 XH |
195 | if (priv->hist_data) |
196 | mwifiex_hist_data_reset(priv); | |
debfc600 | 197 | mwifiex_check_uap_capabilties(priv, adapter->event_skb); |
3d99d987 AP |
198 | break; |
199 | case EVENT_UAP_MIC_COUNTERMEASURES: | |
200 | /* For future development */ | |
acebe8c1 ZL |
201 | mwifiex_dbg(adapter, EVENT, |
202 | "AP EVENT: event id: %#x\n", eventcause); | |
3d99d987 | 203 | break; |
d1cf3b95 | 204 | case EVENT_AMSDU_AGGR_CTRL: |
8dd4372e | 205 | ctrl = le16_to_cpu(*(__le16 *)adapter->event_body); |
acebe8c1 ZL |
206 | mwifiex_dbg(adapter, EVENT, |
207 | "event: AMSDU_AGGR_CTRL %d\n", ctrl); | |
d1cf3b95 AP |
208 | |
209 | if (priv->media_connected) { | |
210 | adapter->tx_buf_size = | |
8dd4372e | 211 | min_t(u16, adapter->curr_tx_buf_size, ctrl); |
acebe8c1 ZL |
212 | mwifiex_dbg(adapter, EVENT, |
213 | "event: tx_buf_size %d\n", | |
214 | adapter->tx_buf_size); | |
d1cf3b95 AP |
215 | } |
216 | break; | |
5a009adf | 217 | case EVENT_ADDBA: |
acebe8c1 | 218 | mwifiex_dbg(adapter, EVENT, "event: ADDBA Request\n"); |
5a009adf | 219 | if (priv->media_connected) |
fa0ecbb9 BZ |
220 | mwifiex_send_cmd(priv, HostCmd_CMD_11N_ADDBA_RSP, |
221 | HostCmd_ACT_GEN_SET, 0, | |
222 | adapter->event_body, false); | |
5a009adf AP |
223 | break; |
224 | case EVENT_DELBA: | |
acebe8c1 | 225 | mwifiex_dbg(adapter, EVENT, "event: DELBA Request\n"); |
5a009adf AP |
226 | if (priv->media_connected) |
227 | mwifiex_11n_delete_ba_stream(priv, adapter->event_body); | |
228 | break; | |
229 | case EVENT_BA_STREAM_TIEMOUT: | |
acebe8c1 | 230 | mwifiex_dbg(adapter, EVENT, "event: BA Stream timeout\n"); |
5a009adf AP |
231 | if (priv->media_connected) { |
232 | ba_timeout = (void *)adapter->event_body; | |
233 | mwifiex_11n_ba_stream_timeout(priv, ba_timeout); | |
234 | } | |
235 | break; | |
cc5c1afb | 236 | case EVENT_EXT_SCAN_REPORT: |
acebe8c1 | 237 | mwifiex_dbg(adapter, EVENT, "event: EXT_SCAN Report\n"); |
cc5c1afb AP |
238 | if (adapter->ext_scan) |
239 | return mwifiex_handle_event_ext_scan_report(priv, | |
240 | adapter->event_skb->data); | |
241 | break; | |
808bbebc | 242 | case EVENT_TX_STATUS_REPORT: |
acebe8c1 | 243 | mwifiex_dbg(adapter, EVENT, "event: TX_STATUS Report\n"); |
808bbebc | 244 | mwifiex_parse_tx_status_event(priv, adapter->event_body); |
76c504ca AP |
245 | break; |
246 | case EVENT_PS_SLEEP: | |
acebe8c1 | 247 | mwifiex_dbg(adapter, EVENT, "info: EVENT: SLEEP\n"); |
76c504ca AP |
248 | |
249 | adapter->ps_state = PS_STATE_PRE_SLEEP; | |
250 | ||
251 | mwifiex_check_ps_cond(adapter); | |
252 | break; | |
253 | ||
254 | case EVENT_PS_AWAKE: | |
acebe8c1 | 255 | mwifiex_dbg(adapter, EVENT, "info: EVENT: AWAKE\n"); |
76c504ca AP |
256 | if (!adapter->pps_uapsd_mode && |
257 | priv->media_connected && adapter->sleep_period.period) { | |
258 | adapter->pps_uapsd_mode = true; | |
acebe8c1 ZL |
259 | mwifiex_dbg(adapter, EVENT, |
260 | "event: PPS/UAPSD mode activated\n"); | |
76c504ca AP |
261 | } |
262 | adapter->tx_lock_flag = false; | |
263 | if (adapter->pps_uapsd_mode && adapter->gen_null_pkt) { | |
264 | if (mwifiex_check_last_packet_indication(priv)) { | |
735ab6bf ZL |
265 | if (adapter->data_sent || |
266 | (adapter->if_ops.is_port_ready && | |
267 | !adapter->if_ops.is_port_ready(priv))) { | |
76c504ca AP |
268 | adapter->ps_state = PS_STATE_AWAKE; |
269 | adapter->pm_wakeup_card_req = false; | |
270 | adapter->pm_wakeup_fw_try = false; | |
271 | break; | |
272 | } | |
273 | if (!mwifiex_send_null_packet | |
274 | (priv, | |
275 | MWIFIEX_TxPD_POWER_MGMT_NULL_PACKET | | |
276 | MWIFIEX_TxPD_POWER_MGMT_LAST_PACKET)) | |
277 | adapter->ps_state = | |
278 | PS_STATE_SLEEP; | |
279 | return 0; | |
280 | } | |
281 | } | |
282 | adapter->ps_state = PS_STATE_AWAKE; | |
283 | adapter->pm_wakeup_card_req = false; | |
284 | adapter->pm_wakeup_fw_try = false; | |
0a694d68 | 285 | break; |
76c504ca | 286 | |
0a694d68 | 287 | case EVENT_CHANNEL_REPORT_RDY: |
acebe8c1 | 288 | mwifiex_dbg(adapter, EVENT, "event: Channel Report\n"); |
0a694d68 | 289 | mwifiex_11h_handle_chanrpt_ready(priv, adapter->event_skb); |
808bbebc | 290 | break; |
3b57c1a7 | 291 | case EVENT_RADAR_DETECTED: |
acebe8c1 | 292 | mwifiex_dbg(adapter, EVENT, "event: Radar detected\n"); |
3b57c1a7 AP |
293 | mwifiex_11h_handle_radar_detected(priv, adapter->event_skb); |
294 | break; | |
d219b7eb CC |
295 | case EVENT_BT_COEX_WLAN_PARA_CHANGE: |
296 | dev_err(adapter->dev, "EVENT: BT coex wlan param update\n"); | |
297 | mwifiex_bt_coex_wlan_param_update_event(priv, | |
298 | adapter->event_skb); | |
299 | break; | |
ddd7ceb3 AP |
300 | case EVENT_TX_DATA_PAUSE: |
301 | mwifiex_dbg(adapter, EVENT, "event: TX DATA PAUSE\n"); | |
302 | mwifiex_process_tx_pause_event(priv, adapter->event_skb); | |
303 | break; | |
8d6b538a AP |
304 | |
305 | case EVENT_MULTI_CHAN_INFO: | |
306 | mwifiex_dbg(adapter, EVENT, "event: multi-chan info\n"); | |
307 | mwifiex_process_multi_chan_event(priv, adapter->event_skb); | |
308 | break; | |
309 | ||
3d99d987 | 310 | default: |
acebe8c1 ZL |
311 | mwifiex_dbg(adapter, EVENT, |
312 | "event: unknown event id: %#x\n", eventcause); | |
3d99d987 AP |
313 | break; |
314 | } | |
315 | ||
316 | return 0; | |
317 | } | |
0f9e9b8b AP |
318 | |
319 | /* This function deletes station entry from associated station list. | |
320 | * Also if both AP and STA are 11n enabled, RxReorder tables and TxBA stream | |
321 | * tables created for this station are deleted. | |
322 | */ | |
323 | void mwifiex_uap_del_sta_data(struct mwifiex_private *priv, | |
324 | struct mwifiex_sta_node *node) | |
325 | { | |
326 | if (priv->ap_11n_enabled && node->is_11n_enabled) { | |
327 | mwifiex_11n_del_rx_reorder_tbl_by_ta(priv, node->mac_addr); | |
328 | mwifiex_del_tx_ba_stream_tbl_by_ra(priv, node->mac_addr); | |
329 | } | |
330 | mwifiex_del_sta_entry(priv, node->mac_addr); | |
331 | ||
332 | return; | |
333 | } |