/* * Copyright (c) 2012 Broadcom Corporation * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef FWEH_H_ #define FWEH_H_ #include #include #include #include /* formward declarations */ struct brcmf_pub; struct brcmf_if; struct brcmf_cfg80211_info; struct brcmf_event; /* list of firmware events */ #define BRCMF_FWEH_EVENT_ENUM_DEFLIST \ BRCMF_ENUM_DEF(SET_SSID, 0) \ BRCMF_ENUM_DEF(JOIN, 1) \ BRCMF_ENUM_DEF(START, 2) \ BRCMF_ENUM_DEF(AUTH, 3) \ BRCMF_ENUM_DEF(AUTH_IND, 4) \ BRCMF_ENUM_DEF(DEAUTH, 5) \ BRCMF_ENUM_DEF(DEAUTH_IND, 6) \ BRCMF_ENUM_DEF(ASSOC, 7) \ BRCMF_ENUM_DEF(ASSOC_IND, 8) \ BRCMF_ENUM_DEF(REASSOC, 9) \ BRCMF_ENUM_DEF(REASSOC_IND, 10) \ BRCMF_ENUM_DEF(DISASSOC, 11) \ BRCMF_ENUM_DEF(DISASSOC_IND, 12) \ BRCMF_ENUM_DEF(QUIET_START, 13) \ BRCMF_ENUM_DEF(QUIET_END, 14) \ BRCMF_ENUM_DEF(BEACON_RX, 15) \ BRCMF_ENUM_DEF(LINK, 16) \ BRCMF_ENUM_DEF(MIC_ERROR, 17) \ BRCMF_ENUM_DEF(NDIS_LINK, 18) \ BRCMF_ENUM_DEF(ROAM, 19) \ BRCMF_ENUM_DEF(TXFAIL, 20) \ BRCMF_ENUM_DEF(PMKID_CACHE, 21) \ BRCMF_ENUM_DEF(RETROGRADE_TSF, 22) \ BRCMF_ENUM_DEF(PRUNE, 23) \ BRCMF_ENUM_DEF(AUTOAUTH, 24) \ BRCMF_ENUM_DEF(EAPOL_MSG, 25) \ BRCMF_ENUM_DEF(SCAN_COMPLETE, 26) \ BRCMF_ENUM_DEF(ADDTS_IND, 27) \ BRCMF_ENUM_DEF(DELTS_IND, 28) \ BRCMF_ENUM_DEF(BCNSENT_IND, 29) \ BRCMF_ENUM_DEF(BCNRX_MSG, 30) \ BRCMF_ENUM_DEF(BCNLOST_MSG, 31) \ BRCMF_ENUM_DEF(ROAM_PREP, 32) \ BRCMF_ENUM_DEF(PFN_NET_FOUND, 33) \ BRCMF_ENUM_DEF(PFN_NET_LOST, 34) \ BRCMF_ENUM_DEF(RESET_COMPLETE, 35) \ BRCMF_ENUM_DEF(JOIN_START, 36) \ BRCMF_ENUM_DEF(ROAM_START, 37) \ BRCMF_ENUM_DEF(ASSOC_START, 38) \ BRCMF_ENUM_DEF(IBSS_ASSOC, 39) \ BRCMF_ENUM_DEF(RADIO, 40) \ BRCMF_ENUM_DEF(PSM_WATCHDOG, 41) \ BRCMF_ENUM_DEF(PROBREQ_MSG, 44) \ BRCMF_ENUM_DEF(SCAN_CONFIRM_IND, 45) \ BRCMF_ENUM_DEF(PSK_SUP, 46) \ BRCMF_ENUM_DEF(COUNTRY_CODE_CHANGED, 47) \ BRCMF_ENUM_DEF(EXCEEDED_MEDIUM_TIME, 48) \ BRCMF_ENUM_DEF(ICV_ERROR, 49) \ BRCMF_ENUM_DEF(UNICAST_DECODE_ERROR, 50) \ BRCMF_ENUM_DEF(MULTICAST_DECODE_ERROR, 51) \ BRCMF_ENUM_DEF(TRACE, 52) \ BRCMF_ENUM_DEF(IF, 54) \ BRCMF_ENUM_DEF(P2P_DISC_LISTEN_COMPLETE, 55) \ BRCMF_ENUM_DEF(RSSI, 56) \ BRCMF_ENUM_DEF(PFN_SCAN_COMPLETE, 57) \ BRCMF_ENUM_DEF(EXTLOG_MSG, 58) \ BRCMF_ENUM_DEF(ACTION_FRAME, 59) \ BRCMF_ENUM_DEF(ACTION_FRAME_COMPLETE, 60) \ BRCMF_ENUM_DEF(PRE_ASSOC_IND, 61) \ BRCMF_ENUM_DEF(PRE_REASSOC_IND, 62) \ BRCMF_ENUM_DEF(CHANNEL_ADOPTED, 63) \ BRCMF_ENUM_DEF(AP_STARTED, 64) \ BRCMF_ENUM_DEF(DFS_AP_STOP, 65) \ BRCMF_ENUM_DEF(DFS_AP_RESUME, 66) \ BRCMF_ENUM_DEF(ESCAN_RESULT, 69) \ BRCMF_ENUM_DEF(ACTION_FRAME_OFF_CHAN_COMPLETE, 70) \ BRCMF_ENUM_DEF(PROBERESP_MSG, 71) \ BRCMF_ENUM_DEF(P2P_PROBEREQ_MSG, 72) \ BRCMF_ENUM_DEF(DCS_REQUEST, 73) \ BRCMF_ENUM_DEF(FIFO_CREDIT_MAP, 74) \ BRCMF_ENUM_DEF(ACTION_FRAME_RX, 75) \ BRCMF_ENUM_DEF(BCMC_CREDIT_SUPPORT, 127) #define BRCMF_ENUM_DEF(id, val) \ BRCMF_E_##id = (val), /* firmware event codes sent by the dongle */ enum brcmf_fweh_event_code { BRCMF_FWEH_EVENT_ENUM_DEFLIST BRCMF_E_LAST }; #undef BRCMF_ENUM_DEF /* flags field values in struct brcmf_event_msg */ #define BRCMF_EVENT_MSG_LINK 0x01 #define BRCMF_EVENT_MSG_FLUSHTXQ 0x02 #define BRCMF_EVENT_MSG_GROUP 0x04 /** * definitions for event packet validation. */ #define BRCMF_EVENT_OUI_OFFSET 19 #define BRCM_OUI "\x00\x10\x18" #define DOT11_OUI_LEN 3 #define BCMILCP_BCM_SUBTYPE_EVENT 1 /** * struct brcmf_event_msg - firmware event message. * * @version: version information. * @flags: event flags. * @event_code: firmware event code. * @status: status information. * @reason: reason code. * @auth_type: authentication type. * @datalen: lenght of event data buffer. * @addr: ether address. * @ifname: interface name. * @ifidx: interface index. * @bsscfgidx: bsscfg index. */ struct brcmf_event_msg { u16 version; u16 flags; u32 event_code; u32 status; u32 reason; s32 auth_type; u32 datalen; u8 addr[ETH_ALEN]; char ifname[IFNAMSIZ]; u8 ifidx; u8 bsscfgidx; }; typedef int (*brcmf_fweh_handler_t)(struct brcmf_if *ifp, const struct brcmf_event_msg *evtmsg, void *data); /** * struct brcmf_fweh_info - firmware event handling information. * * @event_work: event worker. * @evt_q_lock: lock for event queue protection. * @event_q: event queue. * @evt_handler: registered event handlers. */ struct brcmf_fweh_info { struct work_struct event_work; spinlock_t evt_q_lock; struct list_head event_q; int (*evt_handler[BRCMF_E_LAST])(struct brcmf_if *ifp, const struct brcmf_event_msg *evtmsg, void *data); }; void brcmf_fweh_attach(struct brcmf_pub *drvr); void brcmf_fweh_detach(struct brcmf_pub *drvr); int brcmf_fweh_register(struct brcmf_pub *drvr, enum brcmf_fweh_event_code code, int (*handler)(struct brcmf_if *ifp, const struct brcmf_event_msg *evtmsg, void *data)); void brcmf_fweh_unregister(struct brcmf_pub *drvr, enum brcmf_fweh_event_code code); int brcmf_fweh_activate_events(struct brcmf_if *ifp); void brcmf_fweh_process_event(struct brcmf_pub *drvr, struct brcmf_event *event_packet); static inline void brcmf_fweh_process_skb(struct brcmf_pub *drvr, struct sk_buff *skb) { struct brcmf_event *event_packet; u8 *data; u16 usr_stype; /* only process events when protocol matches */ if (skb->protocol != cpu_to_be16(ETH_P_LINK_CTL)) return; /* check for BRCM oui match */ event_packet = (struct brcmf_event *)skb_mac_header(skb); data = (u8 *)event_packet; data += BRCMF_EVENT_OUI_OFFSET; if (memcmp(BRCM_OUI, data, DOT11_OUI_LEN)) return; /* final match on usr_subtype */ data += DOT11_OUI_LEN; usr_stype = get_unaligned_be16(data); if (usr_stype != BCMILCP_BCM_SUBTYPE_EVENT) return; brcmf_fweh_process_event(drvr, event_packet); } #endif /* FWEH_H_ */