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01376a07bc
The dhd.h file contained a number of definitions that are related to events received from the firmware. Those are processed and dispatched in the driver by fweh. Hence the definitions are moved to its include file. Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
278 lines
8.1 KiB
C
278 lines
8.1 KiB
C
/*
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* Copyright (c) 2012 Broadcom Corporation
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef FWEH_H_
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#define FWEH_H_
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#include <asm/unaligned.h>
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#include <linux/skbuff.h>
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#include <linux/if_ether.h>
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#include <linux/if.h>
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/* formward declarations */
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struct brcmf_pub;
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struct brcmf_if;
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struct brcmf_cfg80211_info;
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struct brcmf_event;
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/* list of firmware events */
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#define BRCMF_FWEH_EVENT_ENUM_DEFLIST \
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BRCMF_ENUM_DEF(SET_SSID, 0) \
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BRCMF_ENUM_DEF(JOIN, 1) \
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BRCMF_ENUM_DEF(START, 2) \
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BRCMF_ENUM_DEF(AUTH, 3) \
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BRCMF_ENUM_DEF(AUTH_IND, 4) \
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BRCMF_ENUM_DEF(DEAUTH, 5) \
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BRCMF_ENUM_DEF(DEAUTH_IND, 6) \
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BRCMF_ENUM_DEF(ASSOC, 7) \
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BRCMF_ENUM_DEF(ASSOC_IND, 8) \
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BRCMF_ENUM_DEF(REASSOC, 9) \
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BRCMF_ENUM_DEF(REASSOC_IND, 10) \
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BRCMF_ENUM_DEF(DISASSOC, 11) \
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BRCMF_ENUM_DEF(DISASSOC_IND, 12) \
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BRCMF_ENUM_DEF(QUIET_START, 13) \
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BRCMF_ENUM_DEF(QUIET_END, 14) \
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BRCMF_ENUM_DEF(BEACON_RX, 15) \
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BRCMF_ENUM_DEF(LINK, 16) \
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BRCMF_ENUM_DEF(MIC_ERROR, 17) \
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BRCMF_ENUM_DEF(NDIS_LINK, 18) \
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BRCMF_ENUM_DEF(ROAM, 19) \
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BRCMF_ENUM_DEF(TXFAIL, 20) \
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BRCMF_ENUM_DEF(PMKID_CACHE, 21) \
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BRCMF_ENUM_DEF(RETROGRADE_TSF, 22) \
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BRCMF_ENUM_DEF(PRUNE, 23) \
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BRCMF_ENUM_DEF(AUTOAUTH, 24) \
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BRCMF_ENUM_DEF(EAPOL_MSG, 25) \
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BRCMF_ENUM_DEF(SCAN_COMPLETE, 26) \
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BRCMF_ENUM_DEF(ADDTS_IND, 27) \
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BRCMF_ENUM_DEF(DELTS_IND, 28) \
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BRCMF_ENUM_DEF(BCNSENT_IND, 29) \
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BRCMF_ENUM_DEF(BCNRX_MSG, 30) \
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BRCMF_ENUM_DEF(BCNLOST_MSG, 31) \
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BRCMF_ENUM_DEF(ROAM_PREP, 32) \
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BRCMF_ENUM_DEF(PFN_NET_FOUND, 33) \
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BRCMF_ENUM_DEF(PFN_NET_LOST, 34) \
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BRCMF_ENUM_DEF(RESET_COMPLETE, 35) \
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BRCMF_ENUM_DEF(JOIN_START, 36) \
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BRCMF_ENUM_DEF(ROAM_START, 37) \
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BRCMF_ENUM_DEF(ASSOC_START, 38) \
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BRCMF_ENUM_DEF(IBSS_ASSOC, 39) \
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BRCMF_ENUM_DEF(RADIO, 40) \
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BRCMF_ENUM_DEF(PSM_WATCHDOG, 41) \
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BRCMF_ENUM_DEF(PROBREQ_MSG, 44) \
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BRCMF_ENUM_DEF(SCAN_CONFIRM_IND, 45) \
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BRCMF_ENUM_DEF(PSK_SUP, 46) \
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BRCMF_ENUM_DEF(COUNTRY_CODE_CHANGED, 47) \
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BRCMF_ENUM_DEF(EXCEEDED_MEDIUM_TIME, 48) \
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BRCMF_ENUM_DEF(ICV_ERROR, 49) \
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BRCMF_ENUM_DEF(UNICAST_DECODE_ERROR, 50) \
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BRCMF_ENUM_DEF(MULTICAST_DECODE_ERROR, 51) \
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BRCMF_ENUM_DEF(TRACE, 52) \
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BRCMF_ENUM_DEF(IF, 54) \
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BRCMF_ENUM_DEF(P2P_DISC_LISTEN_COMPLETE, 55) \
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BRCMF_ENUM_DEF(RSSI, 56) \
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BRCMF_ENUM_DEF(PFN_SCAN_COMPLETE, 57) \
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BRCMF_ENUM_DEF(EXTLOG_MSG, 58) \
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BRCMF_ENUM_DEF(ACTION_FRAME, 59) \
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BRCMF_ENUM_DEF(ACTION_FRAME_COMPLETE, 60) \
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BRCMF_ENUM_DEF(PRE_ASSOC_IND, 61) \
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BRCMF_ENUM_DEF(PRE_REASSOC_IND, 62) \
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BRCMF_ENUM_DEF(CHANNEL_ADOPTED, 63) \
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BRCMF_ENUM_DEF(AP_STARTED, 64) \
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BRCMF_ENUM_DEF(DFS_AP_STOP, 65) \
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BRCMF_ENUM_DEF(DFS_AP_RESUME, 66) \
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BRCMF_ENUM_DEF(ESCAN_RESULT, 69) \
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BRCMF_ENUM_DEF(ACTION_FRAME_OFF_CHAN_COMPLETE, 70) \
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BRCMF_ENUM_DEF(PROBERESP_MSG, 71) \
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BRCMF_ENUM_DEF(P2P_PROBEREQ_MSG, 72) \
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BRCMF_ENUM_DEF(DCS_REQUEST, 73) \
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BRCMF_ENUM_DEF(FIFO_CREDIT_MAP, 74) \
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BRCMF_ENUM_DEF(ACTION_FRAME_RX, 75) \
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BRCMF_ENUM_DEF(BCMC_CREDIT_SUPPORT, 127) \
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BRCMF_ENUM_DEF(PSTA_PRIMARY_INTF_IND, 128)
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#define BRCMF_ENUM_DEF(id, val) \
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BRCMF_E_##id = (val),
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/* firmware event codes sent by the dongle */
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enum brcmf_fweh_event_code {
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BRCMF_FWEH_EVENT_ENUM_DEFLIST
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BRCMF_E_LAST
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};
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#undef BRCMF_ENUM_DEF
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#define BRCMF_EVENTING_MASK_LEN DIV_ROUND_UP(BRCMF_E_LAST, 8)
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/* flags field values in struct brcmf_event_msg */
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#define BRCMF_EVENT_MSG_LINK 0x01
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#define BRCMF_EVENT_MSG_FLUSHTXQ 0x02
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#define BRCMF_EVENT_MSG_GROUP 0x04
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/* status field values in struct brcmf_event_msg */
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#define BRCMF_E_STATUS_SUCCESS 0
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#define BRCMF_E_STATUS_FAIL 1
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#define BRCMF_E_STATUS_TIMEOUT 2
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#define BRCMF_E_STATUS_NO_NETWORKS 3
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#define BRCMF_E_STATUS_ABORT 4
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#define BRCMF_E_STATUS_NO_ACK 5
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#define BRCMF_E_STATUS_UNSOLICITED 6
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#define BRCMF_E_STATUS_ATTEMPT 7
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#define BRCMF_E_STATUS_PARTIAL 8
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#define BRCMF_E_STATUS_NEWSCAN 9
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#define BRCMF_E_STATUS_NEWASSOC 10
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#define BRCMF_E_STATUS_11HQUIET 11
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#define BRCMF_E_STATUS_SUPPRESS 12
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#define BRCMF_E_STATUS_NOCHANS 13
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#define BRCMF_E_STATUS_CS_ABORT 15
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#define BRCMF_E_STATUS_ERROR 16
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/* reason field values in struct brcmf_event_msg */
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#define BRCMF_E_REASON_INITIAL_ASSOC 0
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#define BRCMF_E_REASON_LOW_RSSI 1
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#define BRCMF_E_REASON_DEAUTH 2
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#define BRCMF_E_REASON_DISASSOC 3
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#define BRCMF_E_REASON_BCNS_LOST 4
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#define BRCMF_E_REASON_MINTXRATE 9
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#define BRCMF_E_REASON_TXFAIL 10
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#define BRCMF_E_REASON_LINK_BSSCFG_DIS 4
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#define BRCMF_E_REASON_FAST_ROAM_FAILED 5
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#define BRCMF_E_REASON_DIRECTED_ROAM 6
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#define BRCMF_E_REASON_TSPEC_REJECTED 7
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#define BRCMF_E_REASON_BETTER_AP 8
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/* action field values for brcmf_ifevent */
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#define BRCMF_E_IF_ADD 1
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#define BRCMF_E_IF_DEL 2
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#define BRCMF_E_IF_CHANGE 3
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/* flag field values for brcmf_ifevent */
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#define BRCMF_E_IF_FLAG_NOIF 1
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/* role field values for brcmf_ifevent */
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#define BRCMF_E_IF_ROLE_STA 0
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#define BRCMF_E_IF_ROLE_AP 1
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#define BRCMF_E_IF_ROLE_WDS 2
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/**
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* definitions for event packet validation.
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*/
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#define BRCMF_EVENT_OUI_OFFSET 19
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#define BRCM_OUI "\x00\x10\x18"
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#define DOT11_OUI_LEN 3
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#define BCMILCP_BCM_SUBTYPE_EVENT 1
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/**
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* struct brcmf_event_msg - firmware event message.
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*
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* @version: version information.
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* @flags: event flags.
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* @event_code: firmware event code.
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* @status: status information.
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* @reason: reason code.
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* @auth_type: authentication type.
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* @datalen: lenght of event data buffer.
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* @addr: ether address.
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* @ifname: interface name.
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* @ifidx: interface index.
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* @bsscfgidx: bsscfg index.
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*/
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struct brcmf_event_msg {
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u16 version;
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u16 flags;
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u32 event_code;
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u32 status;
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u32 reason;
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s32 auth_type;
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u32 datalen;
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u8 addr[ETH_ALEN];
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char ifname[IFNAMSIZ];
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u8 ifidx;
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u8 bsscfgidx;
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};
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struct brcmf_if_event {
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u8 ifidx;
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u8 action;
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u8 flags;
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u8 bssidx;
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u8 role;
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};
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typedef int (*brcmf_fweh_handler_t)(struct brcmf_if *ifp,
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const struct brcmf_event_msg *evtmsg,
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void *data);
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/**
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* struct brcmf_fweh_info - firmware event handling information.
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*
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* @event_work: event worker.
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* @evt_q_lock: lock for event queue protection.
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* @event_q: event queue.
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* @evt_handler: registered event handlers.
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*/
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struct brcmf_fweh_info {
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struct work_struct event_work;
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spinlock_t evt_q_lock;
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struct list_head event_q;
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int (*evt_handler[BRCMF_E_LAST])(struct brcmf_if *ifp,
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const struct brcmf_event_msg *evtmsg,
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void *data);
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};
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void brcmf_fweh_attach(struct brcmf_pub *drvr);
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void brcmf_fweh_detach(struct brcmf_pub *drvr);
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int brcmf_fweh_register(struct brcmf_pub *drvr, enum brcmf_fweh_event_code code,
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int (*handler)(struct brcmf_if *ifp,
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const struct brcmf_event_msg *evtmsg,
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void *data));
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void brcmf_fweh_unregister(struct brcmf_pub *drvr,
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enum brcmf_fweh_event_code code);
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int brcmf_fweh_activate_events(struct brcmf_if *ifp);
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void brcmf_fweh_process_event(struct brcmf_pub *drvr,
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struct brcmf_event *event_packet);
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static inline void brcmf_fweh_process_skb(struct brcmf_pub *drvr,
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struct sk_buff *skb)
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{
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struct brcmf_event *event_packet;
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u8 *data;
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u16 usr_stype;
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/* only process events when protocol matches */
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if (skb->protocol != cpu_to_be16(ETH_P_LINK_CTL))
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return;
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/* check for BRCM oui match */
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event_packet = (struct brcmf_event *)skb_mac_header(skb);
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data = (u8 *)event_packet;
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data += BRCMF_EVENT_OUI_OFFSET;
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if (memcmp(BRCM_OUI, data, DOT11_OUI_LEN))
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return;
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/* final match on usr_subtype */
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data += DOT11_OUI_LEN;
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usr_stype = get_unaligned_be16(data);
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if (usr_stype != BCMILCP_BCM_SUBTYPE_EVENT)
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return;
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brcmf_fweh_process_event(drvr, event_packet);
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}
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#endif /* FWEH_H_ */
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