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In AP mode we register for the MAX_TX_RETRY and INACTIVE_STA events. Both are reported to the upper layers as a TX failure in the offending stations. In STA mode we register only for the MAX_TX_RETRY event. A TX failure is interpreted as a loss of connection. Support for IEEE80211_HW_REPORTS_TX_ACK_STATUS has been removed to avoid the inherent race condition of a mac80211 TX failure counter in addition to the FW counter. This patch depends on "mac80211: allow low level driver to report packet loss" Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
144 lines
4.3 KiB
C
144 lines
4.3 KiB
C
/*
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* This file is part of wl1271
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*
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* Copyright (C) 1998-2009 Texas Instruments. All rights reserved.
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* Copyright (C) 2008-2009 Nokia Corporation
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*
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* Contact: Luciano Coelho <luciano.coelho@nokia.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*
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*/
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#ifndef __EVENT_H__
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#define __EVENT_H__
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/*
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* Mbox events
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*
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* The event mechanism is based on a pair of event buffers (buffers A and
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* B) at fixed locations in the target's memory. The host processes one
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* buffer while the other buffer continues to collect events. If the host
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* is not processing events, an interrupt is issued to signal that a buffer
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* is ready. Once the host is done with processing events from one buffer,
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* it signals the target (with an ACK interrupt) that the event buffer is
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* free.
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*/
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enum {
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RSSI_SNR_TRIGGER_0_EVENT_ID = BIT(0),
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RSSI_SNR_TRIGGER_1_EVENT_ID = BIT(1),
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RSSI_SNR_TRIGGER_2_EVENT_ID = BIT(2),
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RSSI_SNR_TRIGGER_3_EVENT_ID = BIT(3),
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RSSI_SNR_TRIGGER_4_EVENT_ID = BIT(4),
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RSSI_SNR_TRIGGER_5_EVENT_ID = BIT(5),
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RSSI_SNR_TRIGGER_6_EVENT_ID = BIT(6),
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RSSI_SNR_TRIGGER_7_EVENT_ID = BIT(7),
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MEASUREMENT_START_EVENT_ID = BIT(8),
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MEASUREMENT_COMPLETE_EVENT_ID = BIT(9),
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SCAN_COMPLETE_EVENT_ID = BIT(10),
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SCHEDULED_SCAN_COMPLETE_EVENT_ID = BIT(11),
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AP_DISCOVERY_COMPLETE_EVENT_ID = BIT(12),
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PS_REPORT_EVENT_ID = BIT(13),
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PSPOLL_DELIVERY_FAILURE_EVENT_ID = BIT(14),
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DISCONNECT_EVENT_COMPLETE_ID = BIT(15),
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JOIN_EVENT_COMPLETE_ID = BIT(16),
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CHANNEL_SWITCH_COMPLETE_EVENT_ID = BIT(17),
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BSS_LOSE_EVENT_ID = BIT(18),
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REGAINED_BSS_EVENT_ID = BIT(19),
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MAX_TX_RETRY_EVENT_ID = BIT(20),
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/* STA: dummy paket for dynamic mem blocks */
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DUMMY_PACKET_EVENT_ID = BIT(21),
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/* AP: STA remove complete */
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STA_REMOVE_COMPLETE_EVENT_ID = BIT(21),
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SOFT_GEMINI_SENSE_EVENT_ID = BIT(22),
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/* STA: SG prediction */
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SOFT_GEMINI_PREDICTION_EVENT_ID = BIT(23),
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/* AP: Inactive STA */
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INACTIVE_STA_EVENT_ID = BIT(23),
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SOFT_GEMINI_AVALANCHE_EVENT_ID = BIT(24),
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PLT_RX_CALIBRATION_COMPLETE_EVENT_ID = BIT(25),
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DBG_EVENT_ID = BIT(26),
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HEALTH_CHECK_REPLY_EVENT_ID = BIT(27),
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PERIODIC_SCAN_COMPLETE_EVENT_ID = BIT(28),
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PERIODIC_SCAN_REPORT_EVENT_ID = BIT(29),
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BA_SESSION_TEAR_DOWN_EVENT_ID = BIT(30),
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EVENT_MBOX_ALL_EVENT_ID = 0x7fffffff,
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};
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enum {
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EVENT_ENTER_POWER_SAVE_FAIL = 0,
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EVENT_ENTER_POWER_SAVE_SUCCESS,
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};
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struct event_debug_report {
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u8 debug_event_id;
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u8 num_params;
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__le16 pad;
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__le32 report_1;
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__le32 report_2;
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__le32 report_3;
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} __packed;
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#define NUM_OF_RSSI_SNR_TRIGGERS 8
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struct event_mailbox {
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__le32 events_vector;
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__le32 events_mask;
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__le32 reserved_1;
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__le32 reserved_2;
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u8 dbg_event_id;
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u8 num_relevant_params;
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__le16 reserved_3;
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__le32 event_report_p1;
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__le32 event_report_p2;
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__le32 event_report_p3;
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u8 number_of_scan_results;
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u8 scan_tag;
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u8 reserved_4[2];
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__le32 compl_scheduled_scan_status;
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__le16 scheduled_scan_attended_channels;
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u8 soft_gemini_sense_info;
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u8 soft_gemini_protective_info;
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s8 rssi_snr_trigger_metric[NUM_OF_RSSI_SNR_TRIGGERS];
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u8 channel_switch_status;
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u8 scheduled_scan_status;
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u8 ps_status;
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/* AP FW only */
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u8 hlid_removed;
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/* a bitmap of hlids for stations that have been inactive too long */
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__le16 sta_aging_status;
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/* a bitmap of hlids for stations which didn't respond to TX */
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__le16 sta_tx_retry_exceeded;
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u8 reserved_5[24];
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} __packed;
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int wl1271_event_unmask(struct wl1271 *wl);
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void wl1271_event_mbox_config(struct wl1271 *wl);
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int wl1271_event_handle(struct wl1271 *wl, u8 mbox);
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void wl1271_pspoll_work(struct work_struct *work);
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/* Functions from main.c */
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bool wl1271_is_active_sta(struct wl1271 *wl, u8 hlid);
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#endif
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