450 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			450 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
/*
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 * bcmevent read-only data shared by kernel or app layers
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 *
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 * Copyright (C) 2022, Broadcom.
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 *
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 *      Unless you and Broadcom execute a separate written software license
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 * agreement governing use of this software, this software is licensed to you
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 * under the terms of the GNU General Public License version 2 (the "GPL"),
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 * available at http://www.broadcom.com/licenses/GPLv2.php, with the
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 * following added to such license:
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 *
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 *      As a special exception, the copyright holders of this software give you
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 * permission to link this software with independent modules, and to copy and
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 * distribute the resulting executable under terms of your choice, provided that
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 * you also meet, for each linked independent module, the terms and conditions of
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 * the license of that module.  An independent module is a module which is not
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 * derived from this software.  The special exception does not apply to any
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 * modifications of the software.
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 *
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 *
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 * <<Broadcom-WL-IPTag/Dual:>>
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 */
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#include <typedefs.h>
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#include <bcmutils.h>
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#include <bcmendian.h>
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#include <ethernet.h>
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#include <bcmeth.h>
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#include <bcmevent.h>
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#include <802.11.h>
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#include <802.11brcm.h>
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/* Table of event name strings for UIs and debugging dumps */
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typedef struct {
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	uint event;
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	const char *name;
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} bcmevent_name_str_t;
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/* Use the actual name for event tracing */
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#define BCMEVENT_NAME(_event) {(_event), #_event}
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/* this becomes static data when all code is changed to use
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 * the bcmevent_get_name() API
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 */
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static const bcmevent_name_str_t bcmevent_names[] = {
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	BCMEVENT_NAME(WLC_E_SET_SSID),
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	BCMEVENT_NAME(WLC_E_JOIN),
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	BCMEVENT_NAME(WLC_E_START),
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	BCMEVENT_NAME(WLC_E_AUTH),
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	BCMEVENT_NAME(WLC_E_AUTH_IND),
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	BCMEVENT_NAME(WLC_E_DEAUTH),
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	BCMEVENT_NAME(WLC_E_DEAUTH_IND),
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	BCMEVENT_NAME(WLC_E_ASSOC),
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	BCMEVENT_NAME(WLC_E_ASSOC_IND),
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	BCMEVENT_NAME(WLC_E_REASSOC),
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	BCMEVENT_NAME(WLC_E_REASSOC_IND),
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	BCMEVENT_NAME(WLC_E_DISASSOC),
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	BCMEVENT_NAME(WLC_E_DISASSOC_IND),
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	BCMEVENT_NAME(WLC_E_QUIET_START),
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	BCMEVENT_NAME(WLC_E_QUIET_END),
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	BCMEVENT_NAME(WLC_E_BEACON_RX),
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	BCMEVENT_NAME(WLC_E_LINK),
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	BCMEVENT_NAME(WLC_E_MIC_ERROR),
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	BCMEVENT_NAME(WLC_E_NDIS_LINK),
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	BCMEVENT_NAME(WLC_E_ROAM),
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	BCMEVENT_NAME(WLC_E_TXFAIL),
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	BCMEVENT_NAME(WLC_E_PMKID_CACHE),
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	BCMEVENT_NAME(WLC_E_RETROGRADE_TSF),
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	BCMEVENT_NAME(WLC_E_PRUNE),
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	BCMEVENT_NAME(WLC_E_AUTOAUTH),
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	BCMEVENT_NAME(WLC_E_EAPOL_MSG),
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	BCMEVENT_NAME(WLC_E_SCAN_COMPLETE),
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	BCMEVENT_NAME(WLC_E_ADDTS_IND),
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	BCMEVENT_NAME(WLC_E_DELTS_IND),
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	BCMEVENT_NAME(WLC_E_BCNSENT_IND),
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	BCMEVENT_NAME(WLC_E_BCNRX_MSG),
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	BCMEVENT_NAME(WLC_E_BCNLOST_MSG),
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	BCMEVENT_NAME(WLC_E_ROAM_PREP),
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	BCMEVENT_NAME(WLC_E_PFN_NET_FOUND),
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	BCMEVENT_NAME(WLC_E_PFN_SCAN_ALLGONE),
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	BCMEVENT_NAME(WLC_E_PFN_NET_LOST),
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	BCMEVENT_NAME(WLC_E_JOIN_START),
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	BCMEVENT_NAME(WLC_E_ROAM_START),
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	BCMEVENT_NAME(WLC_E_ASSOC_START),
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#ifdef EXT_STA
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	BCMEVENT_NAME(WLC_E_RESET_COMPLETE),
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	BCMEVENT_NAME(WLC_E_JOIN_START),
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	BCMEVENT_NAME(WLC_E_ROAM_START),
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	BCMEVENT_NAME(WLC_E_ASSOC_START),
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	BCMEVENT_NAME(WLC_E_ASSOC_RECREATED),
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	BCMEVENT_NAME(WLC_E_SPEEDY_RECREATE_FAIL),
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#endif /* EXT_STA */
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#if defined(IBSS_PEER_DISCOVERY_EVENT)
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	BCMEVENT_NAME(WLC_E_IBSS_ASSOC),
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#endif /* defined(IBSS_PEER_DISCOVERY_EVENT) */
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	BCMEVENT_NAME(WLC_E_RADIO),
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	BCMEVENT_NAME(WLC_E_PSM_WATCHDOG),
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	BCMEVENT_NAME(WLC_E_PROBREQ_MSG),
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	BCMEVENT_NAME(WLC_E_SCAN_CONFIRM_IND),
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	BCMEVENT_NAME(WLC_E_PSK_SUP),
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	BCMEVENT_NAME(WLC_E_COUNTRY_CODE_CHANGED),
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	BCMEVENT_NAME(WLC_E_EXCEEDED_MEDIUM_TIME),
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	BCMEVENT_NAME(WLC_E_ICV_ERROR),
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	BCMEVENT_NAME(WLC_E_UNICAST_DECODE_ERROR),
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	BCMEVENT_NAME(WLC_E_MULTICAST_DECODE_ERROR),
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	BCMEVENT_NAME(WLC_E_TRACE),
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	BCMEVENT_NAME(WLC_E_IF),
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#ifdef WLP2P
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	BCMEVENT_NAME(WLC_E_P2P_DISC_LISTEN_COMPLETE),
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#endif
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	BCMEVENT_NAME(WLC_E_RSSI),
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	BCMEVENT_NAME(WLC_E_PFN_SCAN_COMPLETE),
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	BCMEVENT_NAME(WLC_E_ACTION_FRAME),
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	BCMEVENT_NAME(WLC_E_ACTION_FRAME_RX),
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	BCMEVENT_NAME(WLC_E_ACTION_FRAME_COMPLETE),
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#if defined(NDIS)
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	BCMEVENT_NAME(WLC_E_PRE_ASSOC_IND),
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	BCMEVENT_NAME(WLC_E_PRE_REASSOC_IND),
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	BCMEVENT_NAME(WLC_E_CHANNEL_ADOPTED),
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	BCMEVENT_NAME(WLC_E_AP_STARTED),
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	BCMEVENT_NAME(WLC_E_DFS_AP_STOP),
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	BCMEVENT_NAME(WLC_E_DFS_AP_RESUME),
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	BCMEVENT_NAME(WLC_E_ASSOC_IND_NDIS),
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	BCMEVENT_NAME(WLC_E_REASSOC_IND_NDIS),
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	BCMEVENT_NAME(WLC_E_ACTION_FRAME_RX_NDIS),
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	BCMEVENT_NAME(WLC_E_AUTH_REQ),
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	BCMEVENT_NAME(WLC_E_IBSS_COALESCE),
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#endif /* #if defined(NDIS) */
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#ifdef BCMWAPI_WAI
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	BCMEVENT_NAME(WLC_E_WAI_STA_EVENT),
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	BCMEVENT_NAME(WLC_E_WAI_MSG),
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#endif /* BCMWAPI_WAI */
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	BCMEVENT_NAME(WLC_E_ESCAN_RESULT),
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	BCMEVENT_NAME(WLC_E_ACTION_FRAME_OFF_CHAN_COMPLETE),
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#ifdef WLP2P
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	BCMEVENT_NAME(WLC_E_PROBRESP_MSG),
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	BCMEVENT_NAME(WLC_E_P2P_PROBREQ_MSG),
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#endif
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#ifdef PROP_TXSTATUS
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	BCMEVENT_NAME(WLC_E_FIFO_CREDIT_MAP),
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#endif
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	BCMEVENT_NAME(WLC_E_WAKE_EVENT),
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	BCMEVENT_NAME(WLC_E_DCS_REQUEST),
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	BCMEVENT_NAME(WLC_E_RM_COMPLETE),
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	BCMEVENT_NAME(WLC_E_OVERLAY_REQ),
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	BCMEVENT_NAME(WLC_E_CSA_COMPLETE_IND),
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	BCMEVENT_NAME(WLC_E_EXCESS_PM_WAKE_EVENT),
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	BCMEVENT_NAME(WLC_E_PFN_SCAN_NONE),
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	BCMEVENT_NAME(WLC_E_PFN_SCAN_ALLGONE),
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#ifdef SOFTAP
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	BCMEVENT_NAME(WLC_E_GTK_PLUMBED),
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#endif
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	BCMEVENT_NAME(WLC_E_ASSOC_REQ_IE),
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	BCMEVENT_NAME(WLC_E_ASSOC_RESP_IE),
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	BCMEVENT_NAME(WLC_E_BEACON_FRAME_RX),
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#ifdef WLTDLS
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	BCMEVENT_NAME(WLC_E_TDLS_PEER_EVENT),
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#endif /* WLTDLS */
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	BCMEVENT_NAME(WLC_E_NATIVE),
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#ifdef WLPKTDLYSTAT
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	BCMEVENT_NAME(WLC_E_PKTDELAY_IND),
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#endif /* WLPKTDLYSTAT */
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	BCMEVENT_NAME(WLC_E_SERVICE_FOUND),
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	BCMEVENT_NAME(WLC_E_GAS_FRAGMENT_RX),
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	BCMEVENT_NAME(WLC_E_GAS_COMPLETE),
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	BCMEVENT_NAME(WLC_E_P2PO_ADD_DEVICE),
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	BCMEVENT_NAME(WLC_E_P2PO_DEL_DEVICE),
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#ifdef WLWNM
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	BCMEVENT_NAME(WLC_E_WNM_STA_SLEEP),
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#endif /* WLWNM */
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#if defined(WL_PROXDETECT) || defined(RTT_SUPPORT)
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	BCMEVENT_NAME(WLC_E_PROXD),
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#endif
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	BCMEVENT_NAME(WLC_E_CCA_CHAN_QUAL),
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	BCMEVENT_NAME(WLC_E_BSSID),
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#ifdef PROP_TXSTATUS
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	BCMEVENT_NAME(WLC_E_BCMC_CREDIT_SUPPORT),
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#endif
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	BCMEVENT_NAME(WLC_E_PSTA_PRIMARY_INTF_IND),
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	BCMEVENT_NAME(WLC_E_TXFAIL_THRESH),
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#ifdef GSCAN_SUPPORT
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	BCMEVENT_NAME(WLC_E_PFN_GSCAN_FULL_RESULT),
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	BCMEVENT_NAME(WLC_E_PFN_SSID_EXT),
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#endif /* GSCAN_SUPPORT */
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#ifdef WLBSSLOAD_REPORT
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	BCMEVENT_NAME(WLC_E_BSS_LOAD),
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#endif
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#ifdef WLFBT
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	BCMEVENT_NAME(WLC_E_FBT),
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#endif /* WLFBT */
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	BCMEVENT_NAME(WLC_E_AUTHORIZED),
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	BCMEVENT_NAME(WLC_E_PROBREQ_MSG_RX),
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	BCMEVENT_NAME(WLC_E_CSA_START_IND),
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	BCMEVENT_NAME(WLC_E_CSA_DONE_IND),
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	BCMEVENT_NAME(WLC_E_CSA_FAILURE_IND),
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	BCMEVENT_NAME(WLC_E_RMC_EVENT),
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	BCMEVENT_NAME(WLC_E_DPSTA_INTF_IND),
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	BCMEVENT_NAME(WLC_E_ALLOW_CREDIT_BORROW),
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	BCMEVENT_NAME(WLC_E_MSCH),
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	BCMEVENT_NAME(WLC_E_ULP),
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	BCMEVENT_NAME(WLC_E_NAN),
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	BCMEVENT_NAME(WLC_E_PKT_FILTER),
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	BCMEVENT_NAME(WLC_E_DMA_TXFLUSH_COMPLETE),
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	BCMEVENT_NAME(WLC_E_PSK_AUTH),
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	BCMEVENT_NAME(WLC_E_SDB_TRANSITION),
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	BCMEVENT_NAME(WLC_E_PFN_SCAN_BACKOFF),
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	BCMEVENT_NAME(WLC_E_PFN_BSSID_SCAN_BACKOFF),
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	BCMEVENT_NAME(WLC_E_AGGR_EVENT),
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	BCMEVENT_NAME(WLC_E_TVPM_MITIGATION),
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	BCMEVENT_NAME(WLC_E_SCAN),
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	BCMEVENT_NAME(WLC_E_SLOTTED_BSS_PEER_OP),
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	BCMEVENT_NAME(WLC_E_PHY_CAL),
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#ifdef WL_NAN
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	BCMEVENT_NAME(WLC_E_NAN_CRITICAL),
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	BCMEVENT_NAME(WLC_E_NAN_NON_CRITICAL),
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	BCMEVENT_NAME(WLC_E_NAN),
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#endif /* WL_NAN */
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	BCMEVENT_NAME(WLC_E_RPSNOA),
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	BCMEVENT_NAME(WLC_E_WA_LQM),
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	BCMEVENT_NAME(WLC_E_OBSS_DETECTION),
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	BCMEVENT_NAME(WLC_E_SC_CHAN_QUAL),
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	BCMEVENT_NAME(WLC_E_DYNSAR),
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	BCMEVENT_NAME(WLC_E_ROAM_CACHE_UPDATE),
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	BCMEVENT_NAME(WLC_E_AP_BCN_DRIFT),
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	BCMEVENT_NAME(WLC_E_PFN_SCAN_ALLGONE_EXT),
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#ifdef WL_TWT
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	BCMEVENT_NAME(WLC_E_TWT),
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#endif /* WL_TWT */
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	BCMEVENT_NAME(WLC_E_AMT),
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	BCMEVENT_NAME(WLC_E_ROAM_SCAN_RESULT),
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#if defined(XRAPI)
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	BCMEVENT_NAME(WLC_E_XR_SOFTAP_PSMODE),
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#endif /* XRAPI */
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#ifdef WL_SIB_COEX
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	BCMEVENT_NAME(WLC_E_SIB),
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#endif /* WL_SIB_COEX */
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	BCMEVENT_NAME(WLC_E_MSCS),
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	BCMEVENT_NAME(WLC_E_RXDMA_RECOVERY_ATMPT),
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#ifdef WL_SCHED_SCAN
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	BCMEVENT_NAME(WLC_E_PFN_PARTIAL_RESULT),
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#endif /* WL_SCHED_SCAN */
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	BCMEVENT_NAME(WLC_E_MLO_LINK_INFO),
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	BCMEVENT_NAME(WLC_E_C2C),
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	BCMEVENT_NAME(WLC_E_BCN_TSF),
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	BCMEVENT_NAME(WLC_E_OWE_INFO),
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	BCMEVENT_NAME(WLC_E_ULMU_DISABLED_REASON_UPD),
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};
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const char *bcmevent_get_name(uint event_type)
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{
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	/* note:  first coded this as a static const but some
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	 * ROMs already have something called event_name so
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	 * changed it so we don't have a variable for the
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	 * 'unknown string
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	 */
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	const char *event_name = NULL;
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	uint idx;
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	for (idx = 0; idx < (uint)ARRAYSIZE(bcmevent_names); idx++) {
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		if (bcmevent_names[idx].event == event_type) {
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			event_name = bcmevent_names[idx].name;
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			break;
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		}
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	}
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	/* if we find an event name in the array, return it.
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	 * otherwise return unknown string.
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	 */
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	return ((event_name) ? event_name : "Unknown Event");
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}
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void
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wl_event_to_host_order(wl_event_msg_t * evt)
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{
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	/* Event struct members passed from dongle to host are stored in network
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	* byte order. Convert all members to host-order.
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	*/
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	evt->event_type = ntoh32(evt->event_type);
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	evt->flags = ntoh16(evt->flags);
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	evt->status = ntoh32(evt->status);
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	evt->reason = ntoh32(evt->reason);
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	evt->auth_type = ntoh32(evt->auth_type);
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	evt->datalen = ntoh32(evt->datalen);
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	evt->version = ntoh16(evt->version);
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}
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void
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wl_event_to_network_order(wl_event_msg_t * evt)
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{
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	/* Event struct members passed from dongle to host are stored in network
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	* byte order. Convert all members to host-order.
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	*/
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	evt->event_type = hton32(evt->event_type);
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	evt->flags = hton16(evt->flags);
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	evt->status = hton32(evt->status);
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	evt->reason = hton32(evt->reason);
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	evt->auth_type = hton32(evt->auth_type);
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	evt->datalen = hton32(evt->datalen);
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	evt->version = hton16(evt->version);
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}
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/*
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 * Validate if the event is proper and if valid copy event header to event.
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 * If proper event pointer is passed, to just validate, pass NULL to event.
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 *
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 * Return values are
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 *	BCME_OK - It is a BRCM event or BRCM dongle event
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 *	BCME_NOTFOUND - Not BRCM, not an event, may be okay
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 *	BCME_BADLEN - Bad length, should not process, just drop
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 */
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int
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is_wlc_event_frame(void *pktdata, uint pktlen, uint16 exp_usr_subtype,
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	bcm_event_msg_u_t *out_event)
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{
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	uint16 evlen = 0;	/* length in bcmeth_hdr */
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	uint16 subtype;
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	uint16 usr_subtype;
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	bcm_event_t *bcm_event;
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	uint8 *pktend;
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	uint8 *evend;
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	int err = BCME_OK;
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	uint32 data_len = 0; /* data length in bcm_event */
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	pktend = (uint8 *)pktdata + pktlen;
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	bcm_event = (bcm_event_t *)pktdata;
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	/* only care about 16-bit subtype / length versions */
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	if ((uint8 *)&bcm_event->bcm_hdr < pktend) {
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		uint8 short_subtype = *(uint8 *)&bcm_event->bcm_hdr;
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		if (!(short_subtype & 0x80)) {
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			err = BCME_NOTFOUND;
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			goto done;
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		}
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	}
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	/* must have both ether_header and bcmeth_hdr */
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	if (pktlen < OFFSETOF(bcm_event_t, event)) {
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		err = BCME_BADLEN;
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		goto done;
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	}
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 | 
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	/* check length in bcmeth_hdr */
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#ifdef BCMDONGLEHOST
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	/* temporary - header length not always set properly. When the below
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	 * !BCMDONGLEHOST is in all branches that use trunk DHD, the code
 | 
						|
	 * under BCMDONGLEHOST can be removed.
 | 
						|
	 */
 | 
						|
	evlen = (uint16)(pktend - (uint8 *)&bcm_event->bcm_hdr.version);
 | 
						|
#else
 | 
						|
	evlen = ntoh16_ua((void *)&bcm_event->bcm_hdr.length);
 | 
						|
#endif /* BCMDONGLEHOST */
 | 
						|
	evend = (uint8 *)&bcm_event->bcm_hdr.version + evlen;
 | 
						|
	if (evend != pktend) {
 | 
						|
		err = BCME_BADLEN;
 | 
						|
		goto done;
 | 
						|
	}
 | 
						|
 | 
						|
	/* match on subtype, oui and usr subtype for BRCM events */
 | 
						|
	subtype = ntoh16_ua((void *)&bcm_event->bcm_hdr.subtype);
 | 
						|
	if (subtype != BCMILCP_SUBTYPE_VENDOR_LONG) {
 | 
						|
		err = BCME_NOTFOUND;
 | 
						|
		goto done;
 | 
						|
	}
 | 
						|
 | 
						|
	if (bcmp(BRCM_OUI, &bcm_event->bcm_hdr.oui[0], DOT11_OUI_LEN)) {
 | 
						|
		err = BCME_NOTFOUND;
 | 
						|
		goto done;
 | 
						|
	}
 | 
						|
 | 
						|
	/* if it is a bcm_event or bcm_dngl_event_t, validate it */
 | 
						|
	usr_subtype = ntoh16_ua((void *)&bcm_event->bcm_hdr.usr_subtype);
 | 
						|
	switch (usr_subtype) {
 | 
						|
	case BCMILCP_BCM_SUBTYPE_EVENT:
 | 
						|
		/* check that header length and pkt length are sufficient */
 | 
						|
		if ((pktlen < sizeof(bcm_event_t)) ||
 | 
						|
			(evend < ((uint8 *)bcm_event + sizeof(bcm_event_t)))) {
 | 
						|
			err = BCME_BADLEN;
 | 
						|
			goto done;
 | 
						|
		}
 | 
						|
 | 
						|
		/* ensure data length in event is not beyond the packet. */
 | 
						|
		data_len = ntoh32_ua((void *)&bcm_event->event.datalen);
 | 
						|
		if ((sizeof(bcm_event_t) + data_len +
 | 
						|
			BCMILCP_BCM_SUBTYPE_EVENT_DATA_PAD) != pktlen) {
 | 
						|
			err = BCME_BADLEN;
 | 
						|
			goto done;
 | 
						|
		}
 | 
						|
 | 
						|
		if (exp_usr_subtype && (exp_usr_subtype != usr_subtype)) {
 | 
						|
			err = BCME_NOTFOUND;
 | 
						|
			goto done;
 | 
						|
		}
 | 
						|
 | 
						|
		if (out_event) {
 | 
						|
			/* ensure BRCM event pkt aligned */
 | 
						|
			(void)memcpy_s(&out_event->event, sizeof(out_event->event),
 | 
						|
				&bcm_event->event, sizeof(out_event->event));
 | 
						|
		}
 | 
						|
 | 
						|
		break;
 | 
						|
 | 
						|
	case BCMILCP_BCM_SUBTYPE_DNGLEVENT:
 | 
						|
#if defined(HEALTH_CHECK) || defined(DNGL_EVENT_SUPPORT)
 | 
						|
		if ((pktlen < sizeof(bcm_dngl_event_t)) ||
 | 
						|
			(evend < ((uint8 *)bcm_event + sizeof(bcm_dngl_event_t)))) {
 | 
						|
			err = BCME_BADLEN;
 | 
						|
			goto done;
 | 
						|
		}
 | 
						|
 | 
						|
		/* ensure data length in event is not beyond the packet. */
 | 
						|
		data_len = ntoh16_ua((void *)&((bcm_dngl_event_t *)pktdata)->dngl_event.datalen);
 | 
						|
		if ((sizeof(bcm_dngl_event_t) + data_len +
 | 
						|
			BCMILCP_BCM_SUBTYPE_EVENT_DATA_PAD) != pktlen) {
 | 
						|
			err = BCME_BADLEN;
 | 
						|
			goto done;
 | 
						|
		}
 | 
						|
 | 
						|
		if (exp_usr_subtype && (exp_usr_subtype != usr_subtype)) {
 | 
						|
			err = BCME_NOTFOUND;
 | 
						|
			goto done;
 | 
						|
		}
 | 
						|
 | 
						|
		if (out_event) {
 | 
						|
			/* ensure BRCM dngl event pkt aligned */
 | 
						|
			(void)memcpy_s(&out_event->dngl_event, sizeof(out_event->dngl_event),
 | 
						|
				&((bcm_dngl_event_t *)pktdata)->dngl_event,
 | 
						|
				sizeof(out_event->dngl_event));
 | 
						|
		}
 | 
						|
 | 
						|
		break;
 | 
						|
#else
 | 
						|
		err = BCME_UNSUPPORTED;
 | 
						|
		break;
 | 
						|
#endif /* HEALTH_CHECK  || DNGL_EVENT_SUPPORT */
 | 
						|
 | 
						|
	default:
 | 
						|
		err = BCME_NOTFOUND;
 | 
						|
		goto done;
 | 
						|
	}
 | 
						|
 | 
						|
	BCM_REFERENCE(data_len);
 | 
						|
done:
 | 
						|
	return err;
 | 
						|
}
 |