497 lines
14 KiB
C
497 lines
14 KiB
C
/*
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* Copyright (c) 2010 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 _wl_cfg80211_h_
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#define _wl_cfg80211_h_
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/* for brcmu_d11inf */
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#include <brcmu_d11.h>
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#define WL_NUM_SCAN_MAX 10
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#define WL_NUM_PMKIDS_MAX MAXPMKID
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#define WL_TLV_INFO_MAX 1024
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#define WL_BSS_INFO_MAX 2048
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#define WL_ASSOC_INFO_MAX 512 /* assoc related fil max buf */
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#define WL_EXTRA_BUF_MAX 2048
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#define WL_ROAM_TRIGGER_LEVEL -75
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#define WL_ROAM_DELTA 20
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#define WL_BEACON_TIMEOUT 3
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#define WL_SCAN_CHANNEL_TIME 40
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#define WL_SCAN_UNASSOC_TIME 40
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#define WL_SCAN_PASSIVE_TIME 120
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#define WL_ESCAN_BUF_SIZE (1024 * 64)
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#define WL_ESCAN_TIMER_INTERVAL_MS 10000 /* E-Scan timeout */
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#define WL_ESCAN_ACTION_START 1
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#define WL_ESCAN_ACTION_CONTINUE 2
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#define WL_ESCAN_ACTION_ABORT 3
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#define WL_AUTH_SHARED_KEY 1 /* d11 shared authentication */
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#define IE_MAX_LEN 512
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/* IE TLV processing */
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#define TLV_LEN_OFF 1 /* length offset */
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#define TLV_HDR_LEN 2 /* header length */
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#define TLV_BODY_OFF 2 /* body offset */
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#define TLV_OUI_LEN 3 /* oui id length */
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/* 802.11 Mgmt Packet flags */
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#define BRCMF_VNDR_IE_BEACON_FLAG 0x1
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#define BRCMF_VNDR_IE_PRBRSP_FLAG 0x2
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#define BRCMF_VNDR_IE_ASSOCRSP_FLAG 0x4
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#define BRCMF_VNDR_IE_AUTHRSP_FLAG 0x8
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#define BRCMF_VNDR_IE_PRBREQ_FLAG 0x10
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#define BRCMF_VNDR_IE_ASSOCREQ_FLAG 0x20
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/* vendor IE in IW advertisement protocol ID field */
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#define BRCMF_VNDR_IE_IWAPID_FLAG 0x40
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/* allow custom IE id */
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#define BRCMF_VNDR_IE_CUSTOM_FLAG 0x100
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/* P2P Action Frames flags (spec ordered) */
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#define BRCMF_VNDR_IE_GONREQ_FLAG 0x001000
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#define BRCMF_VNDR_IE_GONRSP_FLAG 0x002000
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#define BRCMF_VNDR_IE_GONCFM_FLAG 0x004000
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#define BRCMF_VNDR_IE_INVREQ_FLAG 0x008000
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#define BRCMF_VNDR_IE_INVRSP_FLAG 0x010000
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#define BRCMF_VNDR_IE_DISREQ_FLAG 0x020000
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#define BRCMF_VNDR_IE_DISRSP_FLAG 0x040000
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#define BRCMF_VNDR_IE_PRDREQ_FLAG 0x080000
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#define BRCMF_VNDR_IE_PRDRSP_FLAG 0x100000
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#define BRCMF_VNDR_IE_P2PAF_SHIFT 12
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/**
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* enum brcmf_scan_status - scan engine status
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*
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* @BRCMF_SCAN_STATUS_BUSY: scanning in progress on dongle.
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* @BRCMF_SCAN_STATUS_ABORT: scan being aborted on dongle.
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* @BRCMF_SCAN_STATUS_SUPPRESS: scanning is suppressed in driver.
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*/
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enum brcmf_scan_status {
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BRCMF_SCAN_STATUS_BUSY,
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BRCMF_SCAN_STATUS_ABORT,
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BRCMF_SCAN_STATUS_SUPPRESS,
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};
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/* dongle configuration */
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struct brcmf_cfg80211_conf {
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u32 frag_threshold;
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u32 rts_threshold;
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u32 retry_short;
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u32 retry_long;
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s32 tx_power;
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struct ieee80211_channel channel;
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};
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/* basic structure of scan request */
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struct brcmf_cfg80211_scan_req {
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struct brcmf_ssid_le ssid_le;
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};
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/* basic structure of information element */
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struct brcmf_cfg80211_ie {
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u16 offset;
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u8 buf[WL_TLV_INFO_MAX];
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};
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/* security information with currently associated ap */
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struct brcmf_cfg80211_security {
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u32 wpa_versions;
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u32 auth_type;
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u32 cipher_pairwise;
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u32 cipher_group;
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u32 wpa_auth;
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};
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/**
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* struct brcmf_cfg80211_profile - profile information.
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*
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* @ssid: ssid of associated/associating ap.
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* @bssid: bssid of joined/joining ibss.
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* @sec: security information.
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*/
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struct brcmf_cfg80211_profile {
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struct brcmf_ssid ssid;
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u8 bssid[ETH_ALEN];
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struct brcmf_cfg80211_security sec;
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};
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/**
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* enum brcmf_vif_status - bit indices for vif status.
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*
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* @BRCMF_VIF_STATUS_READY: ready for operation.
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* @BRCMF_VIF_STATUS_CONNECTING: connect/join in progress.
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* @BRCMF_VIF_STATUS_CONNECTED: connected/joined succesfully.
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* @BRCMF_VIF_STATUS_DISCONNECTING: disconnect/disable in progress.
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* @BRCMF_VIF_STATUS_AP_CREATING: interface configured for AP operation.
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* @BRCMF_VIF_STATUS_AP_CREATED: AP operation started.
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*/
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enum brcmf_vif_status {
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BRCMF_VIF_STATUS_READY,
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BRCMF_VIF_STATUS_CONNECTING,
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BRCMF_VIF_STATUS_CONNECTED,
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BRCMF_VIF_STATUS_DISCONNECTING,
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BRCMF_VIF_STATUS_AP_CREATING,
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BRCMF_VIF_STATUS_AP_CREATED
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};
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/**
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* struct vif_saved_ie - holds saved IEs for a virtual interface.
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*
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* @probe_req_ie: IE info for probe request.
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* @probe_res_ie: IE info for probe response.
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* @beacon_ie: IE info for beacon frame.
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* @probe_req_ie_len: IE info length for probe request.
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* @probe_res_ie_len: IE info length for probe response.
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* @beacon_ie_len: IE info length for beacon frame.
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*/
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struct vif_saved_ie {
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u8 probe_req_ie[IE_MAX_LEN];
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u8 probe_res_ie[IE_MAX_LEN];
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u8 beacon_ie[IE_MAX_LEN];
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u8 assoc_req_ie[IE_MAX_LEN];
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u32 probe_req_ie_len;
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u32 probe_res_ie_len;
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u32 beacon_ie_len;
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u32 assoc_req_ie_len;
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};
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/**
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* struct brcmf_cfg80211_vif - virtual interface specific information.
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*
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* @ifp: lower layer interface pointer
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* @wdev: wireless device.
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* @profile: profile information.
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* @roam_off: roaming state.
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* @sme_state: SME state using enum brcmf_vif_status bits.
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* @pm_block: power-management blocked.
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* @list: linked list.
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* @mgmt_rx_reg: registered rx mgmt frame types.
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*/
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struct brcmf_cfg80211_vif {
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struct brcmf_if *ifp;
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struct wireless_dev wdev;
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struct brcmf_cfg80211_profile profile;
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s32 roam_off;
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unsigned long sme_state;
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bool pm_block;
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struct vif_saved_ie saved_ie;
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struct list_head list;
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u16 mgmt_rx_reg;
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};
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/* association inform */
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struct brcmf_cfg80211_connect_info {
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u8 *req_ie;
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s32 req_ie_len;
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u8 *resp_ie;
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s32 resp_ie_len;
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};
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/* assoc ie length */
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struct brcmf_cfg80211_assoc_ielen_le {
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__le32 req_len;
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__le32 resp_len;
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};
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/* wpa2 pmk list */
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struct brcmf_cfg80211_pmk_list {
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struct pmkid_list pmkids;
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struct pmkid foo[MAXPMKID - 1];
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};
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/* dongle escan state */
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enum wl_escan_state {
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WL_ESCAN_STATE_IDLE,
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WL_ESCAN_STATE_SCANNING
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};
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struct escan_info {
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u32 escan_state;
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u8 escan_buf[WL_ESCAN_BUF_SIZE];
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struct wiphy *wiphy;
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struct brcmf_if *ifp;
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s32 (*run)(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp,
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struct cfg80211_scan_request *request, u16 action);
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};
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/**
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* struct brcmf_pno_param_le - PNO scan configuration parameters
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*
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* @version: PNO parameters version.
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* @scan_freq: scan frequency.
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* @lost_network_timeout: #sec. to declare discovered network as lost.
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* @flags: Bit field to control features of PFN such as sort criteria auto
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* enable switch and background scan.
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* @rssi_margin: Margin to avoid jitter for choosing a PFN based on RSSI sort
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* criteria.
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* @bestn: number of best networks in each scan.
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* @mscan: number of scans recorded.
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* @repeat: minimum number of scan intervals before scan frequency changes
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* in adaptive scan.
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* @exp: exponent of 2 for maximum scan interval.
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* @slow_freq: slow scan period.
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*/
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struct brcmf_pno_param_le {
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__le32 version;
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__le32 scan_freq;
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__le32 lost_network_timeout;
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__le16 flags;
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__le16 rssi_margin;
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u8 bestn;
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u8 mscan;
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u8 repeat;
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u8 exp;
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__le32 slow_freq;
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};
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/**
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* struct brcmf_pno_net_param_le - scan parameters per preferred network.
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*
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* @ssid: ssid name and its length.
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* @flags: bit2: hidden.
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* @infra: BSS vs IBSS.
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* @auth: Open vs Closed.
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* @wpa_auth: WPA type.
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* @wsec: wsec value.
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*/
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struct brcmf_pno_net_param_le {
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struct brcmf_ssid_le ssid;
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__le32 flags;
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__le32 infra;
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__le32 auth;
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__le32 wpa_auth;
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__le32 wsec;
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};
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/**
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* struct brcmf_pno_net_info_le - information per found network.
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*
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* @bssid: BSS network identifier.
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* @channel: channel number only.
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* @SSID_len: length of ssid.
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* @SSID: ssid characters.
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* @RSSI: receive signal strength (in dBm).
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* @timestamp: age in seconds.
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*/
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struct brcmf_pno_net_info_le {
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u8 bssid[ETH_ALEN];
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u8 channel;
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u8 SSID_len;
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u8 SSID[32];
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__le16 RSSI;
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__le16 timestamp;
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};
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/**
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* struct brcmf_pno_scanresults_le - result returned in PNO NET FOUND event.
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*
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* @version: PNO version identifier.
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* @status: indicates completion status of PNO scan.
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* @count: amount of brcmf_pno_net_info_le entries appended.
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*/
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struct brcmf_pno_scanresults_le {
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__le32 version;
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__le32 status;
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__le32 count;
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};
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/**
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* struct brcmf_cfg80211_vif_event - virtual interface event information.
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*
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* @vif_wq: waitqueue awaiting interface event from firmware.
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* @vif_event_lock: protects other members in this structure.
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* @vif_complete: completion for net attach.
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* @action: either add, change, or delete.
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* @vif: virtual interface object related to the event.
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*/
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struct brcmf_cfg80211_vif_event {
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wait_queue_head_t vif_wq;
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struct mutex vif_event_lock;
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u8 action;
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struct brcmf_cfg80211_vif *vif;
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};
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/**
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* struct brcmf_cfg80211_info - dongle private data of cfg80211 interface
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*
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* @wiphy: wiphy object for cfg80211 interface.
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* @conf: dongle configuration.
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* @p2p: peer-to-peer specific information.
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* @btcoex: Bluetooth coexistence information.
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* @scan_request: cfg80211 scan request object.
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* @usr_sync: mainly for dongle up/down synchronization.
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* @bss_list: bss_list holding scanned ap information.
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* @scan_req_int: internal scan request object.
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* @bss_info: bss information for cfg80211 layer.
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* @ie: information element object for internal purpose.
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* @conn_info: association info.
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* @pmk_list: wpa2 pmk list.
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* @scan_status: scan activity on the dongle.
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* @pub: common driver information.
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* @channel: current channel.
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* @active_scan: current scan mode.
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* @sched_escan: e-scan for scheduled scan support running.
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* @ibss_starter: indicates this sta is ibss starter.
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* @pwr_save: indicate whether dongle to support power save mode.
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* @dongle_up: indicate whether dongle up or not.
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* @roam_on: on/off switch for dongle self-roaming.
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* @scan_tried: indicates if first scan attempted.
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* @dcmd_buf: dcmd buffer.
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* @extra_buf: mainly to grab assoc information.
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* @debugfsdir: debugfs folder for this device.
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* @escan_info: escan information.
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* @escan_timeout: Timer for catch scan timeout.
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* @escan_timeout_work: scan timeout worker.
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* @escan_ioctl_buf: dongle command buffer for escan commands.
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* @vif_list: linked list of vif instances.
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* @vif_cnt: number of vif instances.
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* @vif_event: vif event signalling.
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* @wowl_enabled; set during suspend, is wowl used.
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* @pre_wowl_pmmode: intermediate storage of pm mode during wowl.
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*/
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struct brcmf_cfg80211_info {
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struct wiphy *wiphy;
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struct brcmf_cfg80211_conf *conf;
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struct brcmf_p2p_info p2p;
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struct brcmf_btcoex_info *btcoex;
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struct cfg80211_scan_request *scan_request;
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struct mutex usr_sync;
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struct brcmf_cfg80211_scan_req scan_req_int;
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struct wl_cfg80211_bss_info *bss_info;
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struct brcmf_cfg80211_ie ie;
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struct brcmf_cfg80211_connect_info conn_info;
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struct brcmf_cfg80211_pmk_list *pmk_list;
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unsigned long scan_status;
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struct brcmf_pub *pub;
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u32 channel;
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bool active_scan;
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bool sched_escan;
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bool ibss_starter;
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bool pwr_save;
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bool dongle_up;
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bool scan_tried;
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u8 *dcmd_buf;
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u8 *extra_buf;
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struct dentry *debugfsdir;
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struct escan_info escan_info;
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struct timer_list escan_timeout;
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struct work_struct escan_timeout_work;
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u8 *escan_ioctl_buf;
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struct list_head vif_list;
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struct brcmf_cfg80211_vif_event vif_event;
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struct completion vif_disabled;
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struct brcmu_d11inf d11inf;
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bool wowl_enabled;
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u32 pre_wowl_pmmode;
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};
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/**
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* struct brcmf_tlv - tag_ID/length/value_buffer tuple.
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*
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* @id: tag identifier.
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* @len: number of bytes in value buffer.
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* @data: value buffer.
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*/
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struct brcmf_tlv {
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u8 id;
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u8 len;
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u8 data[1];
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};
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static inline struct wiphy *cfg_to_wiphy(struct brcmf_cfg80211_info *cfg)
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{
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return cfg->wiphy;
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}
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static inline struct brcmf_cfg80211_info *wiphy_to_cfg(struct wiphy *w)
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{
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return (struct brcmf_cfg80211_info *)(wiphy_priv(w));
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}
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static inline struct brcmf_cfg80211_info *wdev_to_cfg(struct wireless_dev *wd)
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{
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return (struct brcmf_cfg80211_info *)(wdev_priv(wd));
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}
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static inline
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struct net_device *cfg_to_ndev(struct brcmf_cfg80211_info *cfg)
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{
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struct brcmf_cfg80211_vif *vif;
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vif = list_first_entry(&cfg->vif_list, struct brcmf_cfg80211_vif, list);
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return vif->wdev.netdev;
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}
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static inline struct brcmf_cfg80211_info *ndev_to_cfg(struct net_device *ndev)
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{
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return wdev_to_cfg(ndev->ieee80211_ptr);
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}
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static inline struct brcmf_cfg80211_profile *ndev_to_prof(struct net_device *nd)
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{
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struct brcmf_if *ifp = netdev_priv(nd);
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return &ifp->vif->profile;
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}
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static inline struct brcmf_cfg80211_vif *ndev_to_vif(struct net_device *ndev)
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{
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struct brcmf_if *ifp = netdev_priv(ndev);
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return ifp->vif;
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}
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static inline struct
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brcmf_cfg80211_connect_info *cfg_to_conn(struct brcmf_cfg80211_info *cfg)
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{
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return &cfg->conn_info;
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}
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struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr,
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struct device *busdev);
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void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg);
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s32 brcmf_cfg80211_up(struct net_device *ndev);
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s32 brcmf_cfg80211_down(struct net_device *ndev);
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enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp);
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struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
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enum nl80211_iftype type,
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bool pm_block);
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void brcmf_free_vif(struct brcmf_cfg80211_vif *vif);
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s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag,
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const u8 *vndr_ie_buf, u32 vndr_ie_len);
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s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif);
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const struct brcmf_tlv *
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brcmf_parse_tlvs(const void *buf, int buflen, uint key);
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u16 channel_to_chanspec(struct brcmu_d11inf *d11inf,
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struct ieee80211_channel *ch);
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bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg, unsigned long state);
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void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg,
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struct brcmf_cfg80211_vif *vif);
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bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg);
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int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg,
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u8 action, ulong timeout);
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s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
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struct brcmf_if *ifp, bool aborted,
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bool fw_abort);
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void brcmf_set_mpc(struct brcmf_if *ndev, int mpc);
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void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg);
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void brcmf_cfg80211_free_netdev(struct net_device *ndev);
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#endif /* _wl_cfg80211_h_ */
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