/*
* Temporarily added to support older WMI events. We should move all events to unified
* when the target is ready to support it.
*/
void
wmi_control_rx(void *ctx, HTC_PACKET *htc_packet)
{
u_int16_t id;
u_int8_t *data;
u_int32_t len;
int status = EOK;
wmi_buf_t evt_buf;
struct wmi_unified *wmi_handle = (struct wmi_unified *) ctx;
evt_buf = (wmi_buf_t) htc_packet->pPktContext;
/**
* This is a HACK due to a Hack/WAR in HTC !!.
* the head of the wbuf still contains the HTC header
* but the length excludes htc header.
*/
wbuf_set_pktlen(evt_buf, htc_packet->ActualLength + HTC_HEADER_LEN);
wbuf_pull(evt_buf, HTC_HEADER_LEN);
id = WMI_GET_FIELD(wbuf_header(evt_buf), WMI_CMD_HDR, COMMANDID);
if ((id >= WMI_START_EVENTID) && (id <= WMI_END_EVENTID)) {
status = wmi_unified_event_rx(wmi_handle, evt_buf);
return ;
}
if (wbuf_pull(evt_buf, sizeof(WMI_CMD_HDR)) == NULL) {
status = -1;
goto end;
}
data = wbuf_header(evt_buf);
len = wbuf_get_pktlen(evt_buf);
switch(id)
{
default:
printk("%s: Unhandled WMI command %d\n", __func__, id);
break;
case WMI_SERVICE_READY_EVENTID:
status = wmi_service_ready_event_rx(wmi_handle, data, len);
break;
case WMI_READY_EVENTID:
status = wmi_ready_event_rx(wmi_handle, data, len);
break;
case WMI_WLAN_VERSION_EVENTID:
printk("%s: Handle WMI_VERSION_EVENTID\n", __func__);
break;
case WMI_REGDOMAIN_EVENTID:
printk("%s: Handle WMI_REGDOMAIN_EVENTID\n", __func__);
break;
case WMI_DEBUG_MESG_EVENTID:
dbglog_message_handler(wmi_handle->scn_handle, evt_buf);
return;
}
end:
wbuf_free(evt_buf);
}
wmi_buf_t
wmi_buf_alloc(wmi_unified_t wmi_handle, int len)
{
wmi_buf_t wmi_buf;
/* NOTE: For now the wbuf type is used as WBUF_TX_CTL
* But this need to be changed appropriately to reserve
* proper headroom for wmi_buffers
*/
wmi_buf = wbuf_alloc(wmi_handle->osdev, WBUF_TX_CTL, len);
if( NULL == wmi_buf )
{
/* wbuf_alloc returns NULL if the internel pool in wmi_handle->osdev
* is empty
*/
return NULL;
}
/* Clear the wmi buffer */
OS_MEMZERO(wbuf_header(wmi_buf), len);
/*
* Set the length of the buffer to match the allocation size.
*/
wbuf_set_pktlen(wmi_buf, len);
return wmi_buf;
}
/* TODO: only support linux for now */
void wlan_offchan_send_data_frame(struct ieee80211_node *ni, struct net_device *netdev)
{
#if defined(LINUX) || defined(__linux__)
struct ieee80211vap *vap = ni->ni_vap;
struct ieee80211com *ic = ni->ni_ic;
wbuf_t wbuf;
struct ieee80211_qosframe *qwh;
const u_int8_t dst[6] = {0x00, 0x02, 0x03, 0x04, 0x05, 0x06};
struct sk_buff *skb;
wbuf = wbuf_alloc(ic->ic_osdev, WBUF_TX_DATA, 1000);
if (wbuf == NULL)
{
return ;
}
ieee80211_prepare_qosnulldata(ni, wbuf, WME_AC_VO);
qwh = (struct ieee80211_qosframe *)wbuf_header(wbuf);
ieee80211_send_setup(vap, ni, (struct ieee80211_frame *)qwh,
IEEE80211_FC0_TYPE_DATA,
vap->iv_myaddr, /* SA */
dst, /* DA */
ni->ni_bssid);
wbuf_set_pktlen(wbuf, 1000);
/* force with NONPAUSE_TID */
wbuf_set_tid(wbuf, OFFCHAN_EXT_TID_NONPAUSE);
skb = (struct sk_buff *)wbuf;
skb->dev = netdev;
dev_queue_xmit(skb);
#endif
}
/*zhaoyang1 add start for interfere ap*/
wbuf_t
autelan_beacon_alloc(struct ieee80211_node *ni,
struct ieee80211_beacon_offsets *bo, u_int8_t *ap_mac, u_int8_t chan)
{
struct ieee80211vap *vap = ni->ni_vap;
struct ieee80211com *ic = ni->ni_ic;
wbuf_t wbuf;
struct ieee80211_frame *wh;
u_int8_t *frm;
wbuf = wbuf_alloc(ic->ic_osdev, WBUF_TX_BEACON, MAX_TX_RX_PACKET_SIZE);
if (wbuf == NULL)
return NULL;
wh = (struct ieee80211_frame *)wbuf_header(wbuf);
wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT |
IEEE80211_FC0_SUBTYPE_BEACON;
wh->i_fc[1] = IEEE80211_FC1_DIR_NODS;
*(u_int16_t *)wh->i_dur = 0;
IEEE80211_ADDR_COPY(wh->i_addr1, IEEE80211_GET_BCAST_ADDR(ic));
IEEE80211_ADDR_COPY(wh->i_addr2, ap_mac);
IEEE80211_ADDR_COPY(wh->i_addr3, ap_mac);
*(u_int16_t *)wh->i_seq = 0;
frm = (u_int8_t *)&wh[1];
frm = autelan_beacon_init(ni, bo, frm, chan);
if (ieee80211_vap_copy_beacon_is_set(vap)) {
store_beacon_frame(vap, (u_int8_t *)wh, (frm - (u_int8_t *)wh));
}
wbuf_set_pktlen(wbuf, (frm - (u_int8_t *) wbuf_header(wbuf)));
wbuf_set_node(wbuf, ieee80211_ref_node(ni));
IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_MLME, vap->iv_myaddr,
"%s \n", __func__);
return wbuf;
}
/*
* Send a probe response frame.
* NB: for probe response, the node may not represent the peer STA.
* We could use BSS node to reduce the memory usage from temporary node.
*/
int
ieee80211_send_proberesp(struct ieee80211_node *ni, u_int8_t *macaddr,
const void *optie, const size_t optielen)
{
struct ieee80211vap *vap = ni->ni_vap;
struct ieee80211com *ic = ni->ni_ic;
struct ieee80211_rsnparms *rsn = &vap->iv_rsn;
wbuf_t wbuf;
struct ieee80211_frame *wh;
u_int8_t *frm;
u_int16_t capinfo;
int enable_htrates;
bool add_wpa_ie = true;
ASSERT(vap->iv_opmode == IEEE80211_M_HOSTAP || vap->iv_opmode == IEEE80211_M_IBSS ||
vap->iv_opmode == IEEE80211_M_BTAMP);
wbuf = wbuf_alloc(ic->ic_osdev, WBUF_TX_MGMT, MAX_TX_RX_PACKET_SIZE);
if (wbuf == NULL)
return -ENOMEM;
#ifdef IEEE80211_DEBUG_REFCNT
printk("%s ,line %u: increase node %p <%s> refcnt to %d\n",
__func__, __LINE__, ni, ether_sprintf(ni->ni_macaddr),
ieee80211_node_refcnt(ni));
#endif
/* setup the wireless header */
wh = (struct ieee80211_frame *)wbuf_header(wbuf);
ieee80211_send_setup(vap, ni, wh,
IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP,
vap->iv_myaddr, macaddr,
ieee80211_node_get_bssid(ni));
frm = (u_int8_t *)&wh[1];
/*
* probe response frame format
* [8] time stamp
* [2] beacon interval
* [2] cabability information
* [tlv] ssid
* [tlv] supported rates
* [tlv] parameter set (FH/DS)
* [tlv] parameter set (IBSS)
* [tlv] extended rate phy (ERP)
* [tlv] extended supported rates
* [tlv] country (if present)
* [3] power constraint
* [tlv] WPA
* [tlv] WME
* [tlv] HT Capabilities
* [tlv] HT Information
* [tlv] Atheros Advanced Capabilities
*/
OS_MEMZERO(frm, 8); /* timestamp should be filled later */
frm += 8;
*(u_int16_t *)frm = htole16(vap->iv_bss->ni_intval);
frm += 2;
if (vap->iv_opmode == IEEE80211_M_IBSS)
capinfo = IEEE80211_CAPINFO_IBSS;
else
capinfo = IEEE80211_CAPINFO_ESS;
if (IEEE80211_VAP_IS_PRIVACY_ENABLED(vap))
capinfo |= IEEE80211_CAPINFO_PRIVACY;
if ((ic->ic_flags & IEEE80211_F_SHPREAMBLE) &&
IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
capinfo |= IEEE80211_CAPINFO_SHORT_PREAMBLE;
if (ic->ic_flags & IEEE80211_F_SHSLOT)
capinfo |= IEEE80211_CAPINFO_SHORT_SLOTTIME;
if (ieee80211_ic_doth_is_set(ic) && ieee80211_vap_doth_is_set(vap))
capinfo |= IEEE80211_CAPINFO_SPECTRUM_MGMT;
*(u_int16_t *)frm = htole16(capinfo);
frm += 2;
frm = ieee80211_add_ssid(frm, vap->iv_bss->ni_essid,
vap->iv_bss->ni_esslen);
frm = ieee80211_add_rates(frm, &vap->iv_bss->ni_rates, ic);
if (!IEEE80211_IS_CHAN_FHSS(vap->iv_bsschan)) {
*frm++ = IEEE80211_ELEMID_DSPARMS;
*frm++ = 1;
*frm++ = ieee80211_chan2ieee(ic, ic->ic_curchan);
}
if (vap->iv_opmode == IEEE80211_M_IBSS) {
*frm++ = IEEE80211_ELEMID_IBSSPARMS;
*frm++ = 2;
*frm++ = 0; *frm++ = 0; /* TODO: ATIM window */
}
if (IEEE80211_IS_COUNTRYIE_ENABLED(ic)) {
frm = ieee80211_add_country(frm, vap);
}
if (ieee80211_ic_doth_is_set(ic) && ieee80211_vap_doth_is_set(vap)) {
*frm++ = IEEE80211_ELEMID_PWRCNSTR;
*frm++ = 1;
*frm++ = IEEE80211_PWRCONSTRAINT_VAL(vap);
}
#if ATH_SUPPORT_IBSS_DFS
if (vap->iv_opmode == IEEE80211_M_IBSS) {
frm = ieee80211_add_ibss_dfs(frm,vap);
}
#endif
if (IEEE80211_IS_CHAN_ANYG(ic->ic_curchan) ||
IEEE80211_IS_CHAN_11NG(ic->ic_curchan)) {
frm = ieee80211_add_erp(frm, ic);
}
/*
* check if os shim has setup RSN IE it self.
*/
IEEE80211_VAP_LOCK(vap);
if (vap->iv_app_ie[IEEE80211_FRAME_TYPE_PROBERESP].length) {
add_wpa_ie = ieee80211_check_wpaie(vap, vap->iv_app_ie[IEEE80211_FRAME_TYPE_PROBERESP].ie,
vap->iv_app_ie[IEEE80211_FRAME_TYPE_PROBERESP].length);
}
if (vap->iv_opt_ie.length) {
add_wpa_ie = ieee80211_check_wpaie(vap, vap->iv_opt_ie.ie,
vap->iv_opt_ie.length);
}
IEEE80211_VAP_UNLOCK(vap);
if (add_wpa_ie) {
if (RSN_AUTH_IS_RSNA(rsn))
frm = ieee80211_setup_rsn_ie(vap, frm);
}
#if ATH_SUPPORT_WAPI
if (RSN_AUTH_IS_WAI(rsn))
frm = ieee80211_setup_wapi_ie(vap, frm);
#endif
frm = ieee80211_add_xrates(frm, &vap->iv_bss->ni_rates, ic);
enable_htrates = ieee80211vap_htallowed(vap);
if (IEEE80211_IS_CHAN_11N(ic->ic_curchan) && enable_htrates) {
frm = ieee80211_add_htcap(frm, ni, IEEE80211_FC0_SUBTYPE_PROBE_RESP);
if (!IEEE80211_IS_HTVIE_ENABLED(ic))
frm = ieee80211_add_htcap_pre_ana(frm, ni, IEEE80211_FC0_SUBTYPE_PROBE_RESP);
frm = ieee80211_add_htinfo(frm, ni);
if (!IEEE80211_IS_HTVIE_ENABLED(ic))
frm = ieee80211_add_htinfo_pre_ana(frm, ni);
if (!(ic->ic_flags & IEEE80211_F_COEXT_DISABLE)) {
frm = ieee80211_add_obss_scan(frm, ni);
frm = ieee80211_add_extcap(frm, ni);
}
}
if (add_wpa_ie) {
if (RSN_AUTH_IS_WPA(rsn))
frm = ieee80211_setup_wpa_ie(vap, frm);
}
if (ieee80211_vap_wme_is_set(vap) &&
(vap->iv_opmode == IEEE80211_M_HOSTAP || vap->iv_opmode == IEEE80211_M_BTAMP)) /* don't support WMM in ad-hoc for now */
frm = ieee80211_add_wme_param(frm, &ic->ic_wme, IEEE80211_VAP_IS_UAPSD_ENABLED(vap));
if ((IEEE80211_IS_CHAN_11N(ic->ic_curchan)) && (IEEE80211_IS_HTVIE_ENABLED(ic)) && enable_htrates) {
frm = ieee80211_add_htcap_vendor_specific(frm, ni, IEEE80211_FC0_SUBTYPE_PROBE_RESP);
frm = ieee80211_add_htinfo_vendor_specific(frm, ni);
}
if (vap->iv_bss->ni_ath_flags) {
frm = ieee80211_add_athAdvCap(frm, vap->iv_bss->ni_ath_flags,
vap->iv_bss->ni_ath_defkeyindex);
} else {
frm = ieee80211_add_athAdvCap(frm, 0, IEEE80211_INVAL_DEFKEY);
}
/* Insert ieee80211_ie_ath_extcap IE to beacon */
if (ic->ic_ath_extcap)
frm = ieee80211_add_athextcap(frm, ic->ic_ath_extcap, ic->ic_weptkipaggr_rxdelim);
#ifdef notyet
if (ni->ni_ath_ie != NULL) /* XXX */
frm = ieee80211_add_ath(frm, ni);
#endif
IEEE80211_VAP_LOCK(vap);
if (vap->iv_opt_ie.length) {
OS_MEMCPY(frm, vap->iv_opt_ie.ie,
vap->iv_opt_ie.length);
frm += vap->iv_opt_ie.length;
}
if (vap->iv_app_ie[IEEE80211_FRAME_TYPE_PROBERESP].length) {
OS_MEMCPY(frm, vap->iv_app_ie[IEEE80211_FRAME_TYPE_PROBERESP].ie,
vap->iv_app_ie[IEEE80211_FRAME_TYPE_PROBERESP].length);
frm += vap->iv_app_ie[IEEE80211_FRAME_TYPE_PROBERESP].length;
}
/* Add the Application IE's */
frm = ieee80211_mlme_app_ie_append(vap, IEEE80211_FRAME_TYPE_PROBERESP, frm);
IEEE80211_VAP_UNLOCK(vap);
if (optie != NULL && optielen != 0) {
OS_MEMCPY(frm, optie, optielen);
frm += optielen;
}
wbuf_set_pktlen(wbuf, (frm - (u_int8_t *)wbuf_header(wbuf)));
return ieee80211_send_mgmt(vap,ni, wbuf,true);
}
void ieee80211_send_report(ieee80211_rrm_t rrm)
{
struct ieee80211vap *vap =NULL;
struct ieee80211_node *ni = NULL;
struct ieee80211_measrsp_ie *measrsp=NULL;
wbuf_t wbuf = NULL;
u_int8_t *frm = NULL,*fptr = NULL;
struct ieee80211_action_rm_rsp *rm_rsp=NULL;
struct ieee80211_rrmreq_info *params=NULL;
enum ieee80211_opmode opmode;
params = (struct ieee80211_rrmreq_info *)(rrm->rrmcb);
vap = rrm->rrm_vap;
opmode = wlan_vap_get_opmode(vap);
ni = rrm->ni;
RRM_FUNCTION_ENTER;
wbuf = ieee80211_getmgtframe(ni,IEEE80211_FC0_SUBTYPE_ACTION, &frm,0);
if(wbuf == NULL)
return;
rm_rsp = (struct ieee80211_action_rm_rsp *)(frm);
rm_rsp->header.ia_category = IEEE80211_ACTION_CAT_RM;
rm_rsp->header.ia_action = IEEE80211_ACTION_RM_RESP;
rm_rsp->dialogtoken = params->rm_dialogtoken;
switch(rrm->pending_report_type)
{
case IEEE80211_MEASREQ_BR_TYPE:
fptr = ieee80211_rrm_send_bcnreq_resp(rrm,&rm_rsp->rsp_ies[0]);
break;
case IEEE80211_MEASREQ_CHANNEL_LOAD_REQ:
fptr = ieee80211_rrm_send_chload_resp(rrm,&rm_rsp->rsp_ies[0]);
break;
case IEEE80211_MEASREQ_STA_STATS_REQ:
fptr = ieee80211_rrm_send_stastats_resp(rrm,&rm_rsp->rsp_ies[0]);
break;
case IEEE80211_MEASREQ_NOISE_HISTOGRAM_REQ:
fptr = ieee80211_rrm_send_nhist_resp(rrm,&rm_rsp->rsp_ies[0]);
break;
case IEEE80211_MEASREQ_LCI_REQ:
fptr = ieee80211_rrm_send_lci_resp(rrm, &rm_rsp->rsp_ies[0]);
break;
case IEEE80211_MEASREQ_OTHER:
measrsp = (struct ieee80211_measrsp_ie *)(&rm_rsp->rsp_ies[0]);
measrsp->id = IEEE80211_ELEMID_MEASREP;
measrsp->token=params->rep_dialogtoken;
measrsp->rspmode |= params->reject_mode;
measrsp->rsptype = params->reject_type;
fptr = (u_int8_t *)(&measrsp->rsp[0]);
measrsp->len = fptr -(u_int8_t *)(&measrsp->token);
break;
default:
return;
}
if(IEEE80211_ADDR_EQ(ni->ni_macaddr, vap->iv_myaddr)) { /* self report */
ieee80211_rrm_recv_action(vap,ni,IEEE80211_ACTION_RM_RESP,frm,(fptr - frm));
OS_FREE(wbuf);
} else {
wbuf_set_pktlen(wbuf, (fptr -(u_int8_t*)(wbuf_header(wbuf))));
ieee80211_send_mgmt(vap, ni, wbuf, false);
}
rrm->rrm_in_progress = 0; /* making module available */
ieee80211_rrm_free_report(rrm);
RRM_FUNCTION_EXIT;
return;
}
/*
* Update the dynamic parts of a beacon frame based on the current state.
*/
int
ieee80211_beacon_update(struct ieee80211_node *ni,
struct ieee80211_beacon_offsets *bo, wbuf_t wbuf, int mcast)
{
struct ieee80211vap *vap = ni->ni_vap;
struct ieee80211com *ic = ni->ni_ic;
int len_changed = 0;
u_int16_t capinfo;
struct ieee80211_frame *wh = (struct ieee80211_frame *)wbuf_header(wbuf);
int enable_htrates;
bool update_beacon_copy = false;
#if ATH_SUPPORT_IBSS_DFS
struct ieee80211_ibssdfs_ie *ibss_ie = NULL;
#endif /* ATH_SUPPORT_IBSS_DFS */
/* If Beacon Tx is suspended, then don't send this beacon */
if (ieee80211_mlme_beacon_suspend_state(vap)) {
IEEE80211_DPRINTF(vap, IEEE80211_MSG_MLME,
"%s: skip Tx beacon during to suspend.\n", __func__);
return -1;
}
/*
* if vap is paused do not send any beacons to prevent transmitting beacons on wrong channel.
*/
if (ieee80211_vap_is_paused(vap)) return -1;
/* use the non-QoS sequence number space for BSS node */
/* to avoid sw generated frame sequence the same as H/W generated frame,
* the value lower than min_sw_seq is reserved for HW generated frame */
if ((ni->ni_txseqs[IEEE80211_NON_QOS_SEQ]& IEEE80211_SEQ_MASK) < MIN_SW_SEQ){
ni->ni_txseqs[IEEE80211_NON_QOS_SEQ] = MIN_SW_SEQ;
}
*(u_int16_t *)&wh->i_seq[0] =
htole16(ni->ni_txseqs[IEEE80211_NON_QOS_SEQ] << IEEE80211_SEQ_SEQ_SHIFT);
ni->ni_txseqs[IEEE80211_NON_QOS_SEQ]++;
/* Check if channel change due to CW interference needs to be done.
* Since this is a drastic channel change, we do not wait for the TBTT interval to expair and
* do not send Channel change flag in beacon
*/
/* AUTELAN-Added-Begin : &tuqiang for openessid*/
if(openessid_param & OPENESSID_ENABLE_MASK)
vap->channel_change_done = 1;
/* AUTELAN-Added-End : [email protected] */
if (vap->channel_change_done) {
u_int8_t *frm;
IEEE80211_DPRINTF(vap, IEEE80211_MSG_DOTH, "%s: reinit beacon\n", __func__);
/*
* NB: iv_bsschan is in the DSPARMS beacon IE, so must set this
* prior to the beacon re-init, below.
*/
frm = (u_int8_t *) wbuf_header(wbuf) + sizeof(struct ieee80211_frame);
frm = ieee80211_beacon_init(ni, bo, frm);
update_beacon_copy = true;
wbuf_set_pktlen(wbuf, (frm - (u_int8_t *)wbuf_header(wbuf)));
len_changed = 1;
vap->channel_change_done = 0;
if ( ic->cw_inter_found) ic->cw_inter_found = 0;
}
if (ieee80211_ic_doth_is_set(ic) && (vap->iv_flags & IEEE80211_F_CHANSWITCH) &&
(vap->iv_chanchange_count == ic->ic_chanchange_tbtt)
#ifdef MAGPIE_HIF_GMAC
&& !ic->ic_chanchange_cnt) {
#else
) {
#endif
u_int8_t *frm;
struct ieee80211_channel *c;
vap->iv_chanchange_count = 0;
IEEE80211_DPRINTF(vap, IEEE80211_MSG_DOTH, "%s: reinit beacon\n", __func__);
/*
* NB: iv_bsschan is in the DSPARMS beacon IE, so must set this
* prior to the beacon re-init, below.
*/
c = ieee80211_doth_findchan(vap, ic->ic_chanchange_chan);
if (c == NULL) {
IEEE80211_DPRINTF(vap, IEEE80211_MSG_DOTH, "%s: find channel failure\n", __func__);
return 0;
}
vap->iv_bsschan = c;
frm = (u_int8_t *) wbuf_header(wbuf) + sizeof(struct ieee80211_frame);
frm = ieee80211_beacon_init(ni, bo, frm);
update_beacon_copy = true;
wbuf_set_pktlen(wbuf, (frm - (u_int8_t *)wbuf_header(wbuf)));
vap->iv_flags &= ~IEEE80211_F_CHANSWITCH;
#ifdef MAGPIE_HIF_GMAC
vap->iv_chanswitch = 0;
#endif
ic->ic_flags &= ~IEEE80211_F_CHANSWITCH;
#if ATH_SUPPORT_IBSS_DFS
if(vap->iv_opmode == IEEE80211_M_IBSS) {
if (IEEE80211_ADDR_EQ(vap->iv_ibssdfs_ie_data.owner, vap->iv_myaddr)) {
vap->iv_ibssdfs_state = IEEE80211_IBSSDFS_OWNER;
} else {
vap->iv_ibssdfs_state = IEEE80211_IBSSDFS_JOINER;
}
}
#endif
/* NB: only for the first VAP to get here */
if (ic->ic_curchan != c) {
ieee80211_set_channel(ic, c);
}
len_changed = 1;
}
/*Begin:zhanghu added for beacon_frame rate support*/
else if(ic->ic_rate_mask != ic->ic_rate_mask_bak || \
ic->ic_mcs_mask != ic->ic_mcs_mask_bak){
u_int8_t *frm = NULL;
frm = (u_int8_t *) wbuf_header(wbuf) + sizeof(struct ieee80211_frame);
frm = ieee80211_beacon_init(ni, bo, frm);
update_beacon_copy = true;
wbuf_set_pktlen(wbuf, (frm - (u_int8_t *)wbuf_header(wbuf)));
len_changed = 1;
}
/*End:zhanghu added for beacon_frame rate support*/
/* XXX faster to recalculate entirely or just changes? */
if (vap->iv_opmode == IEEE80211_M_IBSS)
capinfo = IEEE80211_CAPINFO_IBSS;
else
capinfo = IEEE80211_CAPINFO_ESS;
if (IEEE80211_VAP_IS_PRIVACY_ENABLED(vap))
capinfo |= IEEE80211_CAPINFO_PRIVACY;
if ((ic->ic_flags & IEEE80211_F_SHPREAMBLE) &&
IEEE80211_IS_CHAN_2GHZ(vap->iv_bsschan))
capinfo |= IEEE80211_CAPINFO_SHORT_PREAMBLE;
if (ic->ic_flags & IEEE80211_F_SHSLOT)
capinfo |= IEEE80211_CAPINFO_SHORT_SLOTTIME;
if (ieee80211_ic_doth_is_set(ic) && ieee80211_vap_doth_is_set(vap))
capinfo |= IEEE80211_CAPINFO_SPECTRUM_MGMT;
if (IEEE80211_VAP_IS_PUREB_ENABLED(vap)){
capinfo &= ~IEEE80211_CAPINFO_SHORT_SLOTTIME;
}
*bo->bo_caps = htole16(capinfo);
if (ieee80211_vap_wme_is_set(vap) &&
#if ATH_SUPPORT_IBSS_WMM
(vap->iv_opmode == IEEE80211_M_HOSTAP || vap->iv_opmode == IEEE80211_M_IBSS)) {
#else
vap->iv_opmode == IEEE80211_M_HOSTAP) {
#endif
struct ieee80211_wme_state *wme = &ic->ic_wme;
/* XXX multi-bss */
if (vap->iv_flags & IEEE80211_F_WMEUPDATE) {
(void) ieee80211_add_wme_param(bo->bo_wme, wme, IEEE80211_VAP_IS_UAPSD_ENABLED(vap));
update_beacon_copy = true;
vap->iv_flags &= ~IEEE80211_F_WMEUPDATE;
}
}
enable_htrates = ieee80211vap_htallowed(vap);
/*
* HT cap. check for vap is done in ieee80211vap_htallowed.
* TBD: remove iv_bsschan check to support multiple channel operation.
*/
if (IEEE80211_IS_CHAN_11N(vap->iv_bsschan) && enable_htrates) {
struct ieee80211_ie_htinfo_cmn *htinfo;
struct ieee80211_ie_obss_scan *obss_scan;
#if IEEE80211_BEACON_NOISY
IEEE80211_DPRINTF(vap, IEEE80211_MSG_11N,
"%s: AP: updating HT Info IE (ANA) for %s\n",
__func__, ether_sprintf(ni->ni_macaddr));
if (bo->bo_htinfo[0] != IEEE80211_ELEMID_HTINFO_ANA) {
IEEE80211_DPRINTF(vap, IEEE80211_MSG_11N,
"%s: AP: HT Info IE (ANA) beacon offset askew %s "
"expected 0x%02x, found 0x%02x\n",
__func__, ether_sprintf(ni->ni_macaddr),
IEEE80211_ELEMID_HTINFO_ANA, bo->bo_htinfo[0] );
}
#endif
htinfo = &((struct ieee80211_ie_htinfo *)bo->bo_htinfo)->hi_ie;
if (bo->bo_htinfo)
ieee80211_update_htinfo_cmn(htinfo, ni);
if (bo->bo_htcap)
ieee80211_add_htcap(bo->bo_htcap, ni, IEEE80211_FC0_SUBTYPE_BEACON);
if (!(ic->ic_flags & IEEE80211_F_COEXT_DISABLE)) {
obss_scan = (struct ieee80211_ie_obss_scan *)bo->bo_obss_scan;
/*Beginning:Modified by zhaoyang1 for APVXI-30 2013-03-04*/
if (obss_scan)
ieee80211_update_obss_scan(obss_scan, ni);
/*Ending:Modified by zhaoyang1 for APVXI-30 2013-03-04*/
}
if (IEEE80211_IS_HTVIE_ENABLED(ic)) {
#if IEEE80211_BEACON_NOISY
IEEE80211_DPRINTF(vap, IEEE80211_MSG_11N,
"%s: AP: updating HT Info IE (Vendor Specific) for %s\n",
__func__, ether_sprintf(ni->ni_macaddr));
if (bo->bo_htinfo_vendor_specific[5] != IEEE80211_ELEMID_HTINFO) {
IEEE80211_DPRINTF(vap, IEEE80211_MSG_11N,
"%s: AP: HT Info IE (Vendor Specific) beacon offset askew %s ",
"expected 0x%02x, found 0x%02x\n",
__func__, ether_sprintf(ni->ni_macaddr),
IEEE80211_ELEMID_HTINFO_ANA, bo->bo_htinfo_vendor_specific[5] );
}
#endif
htinfo = &((struct vendor_ie_htinfo *)bo->bo_htinfo_vendor_specific)->hi_ie;
ieee80211_update_htinfo_cmn(htinfo, ni);
}
}
if (vap->iv_opmode == IEEE80211_M_HOSTAP || vap->iv_opmode == IEEE80211_M_IBSS) {
struct ieee80211_tim_ie *tie =
(struct ieee80211_tim_ie *) bo->bo_tim;
if (IEEE80211_VAP_IS_TIMUPDATE_ENABLED(vap) && vap->iv_opmode == IEEE80211_M_HOSTAP) {
u_int timlen, timoff, i;
/*
* ATIM/DTIM needs updating. If it fits in the
* current space allocated then just copy in the
* new bits. Otherwise we need to move any trailing
* data to make room. Note that we know there is
* contiguous space because ieee80211_beacon_allocate
* insures there is space in the wbuf to write a
* maximal-size virtual bitmap (based on ic_max_aid).
*/
/*
* Calculate the bitmap size and offset, copy any
* trailer out of the way, and then copy in the
* new bitmap and update the information element.
* Note that the tim bitmap must contain at least
* one byte and any offset must be even.
*/
if (vap->iv_ps_pending != 0) {
timoff = 128; /* impossibly large */
for (i = 0; i < vap->iv_tim_len; i++) {
if (vap->iv_tim_bitmap[i]) {
timoff = i &~ 1;
break;
}
}
KASSERT(timoff != 128, ("tim bitmap empty!"));
for (i = vap->iv_tim_len-1; i >= timoff; i--)
if (vap->iv_tim_bitmap[i])
break;
timlen = 1 + (i - timoff);
} else {
timoff = 0;
timlen = 1;
}
tie->tim_bitctl = timoff;
if (timlen != bo->bo_tim_len) {
int trailer_adjust = (tie->tim_bitmap+timlen) - bo->bo_tim_trailer;
/* copy up/down trailer */
OS_MEMCPY(tie->tim_bitmap+timlen, bo->bo_tim_trailer,
bo->bo_tim_trailerlen);
bo->bo_tim_trailer = tie->tim_bitmap+timlen;
bo->bo_chanswitch += trailer_adjust;
bo->bo_wme += trailer_adjust;
bo->bo_erp += trailer_adjust;
bo->bo_ath_caps += trailer_adjust;
bo->bo_appie_buf += trailer_adjust;
bo->bo_xr += trailer_adjust;
/*zhaoyang1 transplant from 717*/
/*Begin:Added by duanmingzhe for adjust pointer*/
bo->bo_htcap +=trailer_adjust;
bo->bo_obss_scan +=trailer_adjust;
bo->bo_extcap +=trailer_adjust;
/*End:Added by duanmingzhe for adjust pointer*/
/*zhaoyang1 transplant end*/
#ifdef E_CSA
bo->bo_extchanswitch += trailer_adjust;
#endif /* E_CSA */
#if ATH_SUPPORT_IBSS_DFS
bo->bo_ibssdfs += trailer_adjust;
#endif /* ATH_SUPPORT_IBSS_DFS */
bo->bo_htinfo += trailer_adjust;
bo->bo_htinfo_pre_ana += trailer_adjust;
bo->bo_htinfo_vendor_specific += trailer_adjust;
if (timlen > bo->bo_tim_len)
wbuf_append(wbuf, timlen - bo->bo_tim_len);
else
wbuf_trim(wbuf, bo->bo_tim_len - timlen);
bo->bo_tim_len = timlen;
/* update information element */
tie->tim_len = 3 + timlen;
len_changed = 1;
}
OS_MEMCPY(tie->tim_bitmap, vap->iv_tim_bitmap + timoff,
bo->bo_tim_len);
IEEE80211_VAP_TIMUPDATE_DISABLE(vap);
IEEE80211_NOTE(vap, IEEE80211_MSG_POWER, ni,
"%s: TIM updated, pending %u, off %u, len %u\n",
__func__, vap->iv_ps_pending, timoff, timlen);
}
if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
/* count down DTIM period */
if (tie->tim_count == 0)
tie->tim_count = tie->tim_period - 1;
else
tie->tim_count--;
/* update state for buffered multicast frames on DTIM */
if (mcast && (tie->tim_count == 0 || tie->tim_period == 1))
tie->tim_bitctl |= 1;
else
tie->tim_bitctl &= ~1;
}
if (ieee80211_ic_doth_is_set(ic) && (ic->ic_flags & IEEE80211_F_CHANSWITCH)
#ifdef MAGPIE_HIF_GMAC
&& (!vap->iv_chanswitch)) {
#else
) {
#endif
if (!vap->iv_chanchange_count) {
u_int8_t * tempbuf;
vap->iv_flags |= IEEE80211_F_CHANSWITCH;
/* copy out trailer to open up a slot */
tempbuf = OS_MALLOC(vap->iv_ic->ic_osdev, bo->bo_chanswitch_trailerlen , GFP_KERNEL);
OS_MEMCPY(tempbuf,bo->bo_chanswitch, bo->bo_chanswitch_trailerlen);
OS_MEMCPY(bo->bo_chanswitch + IEEE80211_CHANSWITCHANN_BYTES,
tempbuf, bo->bo_chanswitch_trailerlen);
OS_FREE(tempbuf);
/* add ie in opened slot */
bo->bo_chanswitch[0] = IEEE80211_ELEMID_CHANSWITCHANN;
bo->bo_chanswitch[1] = 3; /* fixed length */
bo->bo_chanswitch[2] = 1; /* stas get off for now */
bo->bo_chanswitch[3] = ic->ic_chanchange_chan;
bo->bo_chanswitch[4] = ic->ic_chanchange_tbtt;
/* update the trailer lens */
bo->bo_chanswitch_trailerlen += IEEE80211_CHANSWITCHANN_BYTES;
#if ATH_SUPPORT_IBSS_DFS
bo->bo_ibssdfs += IEEE80211_CHANSWITCHANN_BYTES;
#endif /* ATH_SUPPORT_IBSS_DFS */
bo->bo_tim_trailerlen += IEEE80211_CHANSWITCHANN_BYTES;
bo->bo_wme += IEEE80211_CHANSWITCHANN_BYTES;
bo->bo_erp += IEEE80211_CHANSWITCHANN_BYTES;
bo->bo_ath_caps += IEEE80211_CHANSWITCHANN_BYTES;
bo->bo_appie_buf += IEEE80211_CHANSWITCHANN_BYTES;
bo->bo_xr += IEEE80211_CHANSWITCHANN_BYTES;
#ifdef E_CSA
bo->bo_extchanswitch += IEEE80211_CHANSWITCHANN_BYTES;
#endif /* E_CSA */
bo->bo_htinfo += IEEE80211_CHANSWITCHANN_BYTES;
bo->bo_htinfo_pre_ana += IEEE80211_CHANSWITCHANN_BYTES;
bo->bo_htinfo_vendor_specific += IEEE80211_CHANSWITCHANN_BYTES;
bo->bo_htcap += IEEE80211_CHANSWITCHANN_BYTES;
bo->bo_extcap += IEEE80211_CHANSWITCHANN_BYTES;
bo->bo_obss_scan += IEEE80211_CHANSWITCHANN_BYTES;
/* indicate new beacon length so other layers may manage memory */
wbuf_append(wbuf, IEEE80211_CHANSWITCHANN_BYTES);
len_changed = 1;
}
else {
#ifdef MAGPIE_HIF_GMAC
if(vap->iv_chanchange_count != ic->ic_chanchange_tbtt)
bo->bo_chanswitch[4]--;
#else
bo->bo_chanswitch[4]--;
#endif
}
#ifdef MAGPIE_HIF_GMAC
if(vap->iv_chanchange_count != ic->ic_chanchange_tbtt) {
vap->iv_chanchange_count++;
ic->ic_chanchange_cnt--;
}
if(vap->iv_chanchange_count == ic->ic_chanchange_tbtt)
vap->iv_chanswitch = 1;
#else
vap->iv_chanchange_count++;
#endif
IEEE80211_DPRINTF(vap, IEEE80211_MSG_DOTH, "%s: CHANSWITCH IE, change in %d \n",
__func__, bo->bo_chanswitch[4]);
}
}
#if ATH_SUPPORT_IBSS_DFS
if (vap->iv_opmode == IEEE80211_M_IBSS &&
(ic->ic_curchan->ic_flagext & IEEE80211_CHAN_DFS)) {
/*reset action frames counts for measrep and csa action */
vap->iv_measrep_action_count_per_tbtt = 0;
vap->iv_csa_action_count_per_tbtt = 0;
if(vap->iv_ibssdfs_state == IEEE80211_IBSSDFS_OWNER) {
vap->iv_ibssdfs_ie_data.rec_interval = vap->iv_ibss_dfs_enter_recovery_threshold_in_tbtt;
}
ibss_ie =(struct ieee80211_ibssdfs_ie *) bo->bo_ibssdfs;
if(ibss_ie) {
if (OS_MEMCMP(bo->bo_ibssdfs, &vap->iv_ibssdfs_ie_data, ibss_ie->len + sizeof(struct ieee80211_ie_header))) {
int trailer_adjust = vap->iv_ibssdfs_ie_data.len - ibss_ie->len;
/* copy up/down trailer */
if(trailer_adjust > 0) {
u_int8_t * tempbuf;
tempbuf = OS_MALLOC(vap->iv_ic->ic_osdev, bo->bo_ibssdfs_trailerlen , GFP_KERNEL);
if (tempbuf == NULL) {
IEEE80211_DPRINTF(vap, IEEE80211_MSG_ANY, "%s: Unable to alloc ibssdfs copy buf. Size=%d\n",
__func__, bo->bo_ibssdfs_trailerlen);
return -1;
}
OS_MEMCPY(tempbuf,bo->bo_ibssdfs + sizeof(struct ieee80211_ie_header) + ibss_ie->len, bo->bo_ibssdfs_trailerlen);
OS_MEMCPY(bo->bo_ibssdfs + sizeof(struct ieee80211_ie_header) + vap->iv_ibssdfs_ie_data.len,
tempbuf,
bo->bo_ibssdfs_trailerlen);
OS_FREE(tempbuf);
} else {
OS_MEMCPY(bo->bo_ibssdfs + sizeof(struct ieee80211_ie_header) + vap->iv_ibssdfs_ie_data.len ,
bo->bo_ibssdfs + sizeof(struct ieee80211_ie_header) + ibss_ie->len,
bo->bo_ibssdfs_trailerlen);
}
bo->bo_tim_trailerlen += trailer_adjust;
bo->bo_chanswitch_trailerlen += trailer_adjust;
bo->bo_wme += trailer_adjust;
bo->bo_erp += trailer_adjust;
bo->bo_ath_caps += trailer_adjust;
bo->bo_appie_buf += trailer_adjust;
bo->bo_xr += trailer_adjust;
#ifdef E_CSA
bo->bo_extchanswitch += trailer_adjust;
#endif /* E_CSA */
bo->bo_htinfo += trailer_adjust;
bo->bo_htinfo_pre_ana += trailer_adjust;
bo->bo_htinfo_vendor_specific += trailer_adjust;
bo->bo_htcap += trailer_adjust;
bo->bo_extcap += trailer_adjust;
bo->bo_obss_scan += trailer_adjust;
if (trailer_adjust > 0) {
wbuf_append(wbuf, trailer_adjust);
}
else {
wbuf_trim(wbuf, -trailer_adjust);
}
OS_MEMCPY(bo->bo_ibssdfs, &vap->iv_ibssdfs_ie_data, sizeof(struct ieee80211_ie_header) + vap->iv_ibssdfs_ie_data.len);
len_changed = 1;
}
}
if (vap->iv_ibssdfs_state == IEEE80211_IBSSDFS_JOINER ||
vap->iv_ibssdfs_state == IEEE80211_IBSSDFS_OWNER) {
vap->iv_ibssdfs_recovery_count = vap->iv_ibssdfs_ie_data.rec_interval;
ieee80211_ibss_beacon_update_stop(ic);
} else if (vap->iv_ibssdfs_state == IEEE80211_IBSSDFS_WAIT_RECOVERY) {
vap->iv_ibssdfs_recovery_count --;
if(vap->iv_ibssdfs_recovery_count == 0) {
IEEE80211_ADDR_COPY(vap->iv_ibssdfs_ie_data.owner, vap->iv_myaddr);
vap->iv_ibssdfs_state = IEEE80211_IBSSDFS_OWNER;
vap->iv_ibssdfs_recovery_count = vap->iv_ibssdfs_ie_data.rec_interval;
ieee80211_dfs_action(vap, NULL);
}
}
}
#endif /* ATH_SUPPORT_IBSS_DFS */
if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
vap->iv_opmode == IEEE80211_M_BTAMP) { /* No IBSS Support */
if (ieee80211_vap_erpupdate_is_set(vap) && bo->bo_erp) {
(void) ieee80211_add_erp(bo->bo_erp, ic);
ieee80211_vap_erpupdate_clear(vap);
}
}
#ifdef E_CSA
if (ieee80211_ic_doth_is_set(ic) && (ic->ic_flags & IEEE80211_F_CHANSWITCH)) {
if (!vap->iv_chanchange_count) {
/* copy out trailer to open up a slot */
OS_MEMCPY(bo->bo_extchanswitch + IEEE80211_EXTCHANSWITCHANN_BYTES,
bo->bo_extchanswitch, bo->bo_extchanswitch_trailerlen);
/* add ie in opened slot */
bo->bo_extchanswitch[0] = IEEE80211_ELEMID_EXTCHANSWITCHANN;
bo->bo_extchanswitch[1] = 4; /* fixed length */
bo->bo_extchanswitch[2] = 1; /* stations get off for now */
/*
* XXX: bo_extchanswitch[3] should be regulatory class instead
* of country code. Currently there is no functionality to retrieve
* the regulatory classe from HAL. Need to correct this later when
* we fix the IEEE80211_ELEMID_EXTCHANSWITCHANN to ANA defined
* value.
*/
bo->bo_extchanswitch[3] = ic->ic_country_code;
bo->bo_extchanswitch[4] = ic->ic_chanchange_chan;
bo->bo_extchanswitch[5] = ic->ic_chanchange_tbtt;
/* update the trailer lens */
bo->bo_extchanswitch_trailerlen += IEEE80211_EXTCHANSWITCHANN_BYTES;
bo->bo_ath_caps += IEEE80211_EXTCHANSWITCHANN_BYTES;
bo->bo_appie_buf += IEEE80211_EXTCHANSWITCHANN_BYTES;
#if ATH_SUPPORT_IBSS_DFS
bo->bo_ibssdfs_trailerlen += IEEE80211_EXTCHANSWITCHANN_BYTES;
#endif
/* indicate new beacon length so other layers may manage memory */
wbuf_append(skb, IEEE80211_EXTCHANSWITCHANN_BYTES);
len_changed = 1;
}
else
{
bo->bo_extchanswitch[5]--;
}
IEEE80211_DPRINTF(vap, IEEE80211_MSG_DOTH, "%s: EXT CHANSWITCH IE, change in %d\n",
__func__, bo->bo_extchanswitch[5]);
}
#endif /* E_CSA */
/* add APP_IE buffer if app updated it */
#ifdef ATH_BEACON_DEFERRED_PROC
IEEE80211_VAP_LOCK(vap);
#endif
if (IEEE80211_VAP_IS_APPIE_UPDATE_ENABLED(vap)) {
/* adjust the buffer size if the size is changed */
u_int8_t *frm;
u_int32_t newlen = vap->iv_app_ie[IEEE80211_FRAME_TYPE_BEACON].length;
/* Also add the length from the new App IE module */
newlen += vap->iv_app_ie_list[IEEE80211_FRAME_TYPE_BEACON].total_ie_len;
if (newlen != bo->bo_appie_buf_len) {
int diff_len;
diff_len = newlen - bo->bo_appie_buf_len;
bo->bo_appie_buf_len = (u_int16_t) newlen;
/* update the trailer lens */
bo->bo_chanswitch_trailerlen += diff_len;
bo->bo_tim_trailerlen += diff_len;
if (diff_len > 0)
wbuf_append(wbuf, diff_len);
else
wbuf_trim(wbuf, -(diff_len));
len_changed = 1;
}
if (vap->iv_app_ie[IEEE80211_FRAME_TYPE_BEACON].length) {
OS_MEMCPY(bo->bo_appie_buf, vap->iv_app_ie[IEEE80211_FRAME_TYPE_BEACON].ie,
vap->iv_app_ie[IEEE80211_FRAME_TYPE_BEACON].length);
}
/* Add the Application IE's */
if (vap->iv_app_ie_list[IEEE80211_FRAME_TYPE_BEACON].total_ie_len) {
frm = bo->bo_appie_buf + vap->iv_app_ie[IEEE80211_FRAME_TYPE_BEACON].length;
frm = ieee80211_mlme_app_ie_append(vap, IEEE80211_FRAME_TYPE_BEACON, frm);
}
IEEE80211_VAP_APPIE_UPDATE_DISABLE(vap);
update_beacon_copy = true;
}
#ifdef ATH_BEACON_DEFERRED_PROC
IEEE80211_VAP_UNLOCK(vap);
#endif
if (update_beacon_copy && ieee80211_vap_copy_beacon_is_set(vap)) {
store_beacon_frame(vap, (u_int8_t *)wbuf_header(wbuf), wbuf_get_pktlen(wbuf));
}
return len_changed;
}
int
wlan_copy_ap_beacon_frame(wlan_if_t vaphandle, u_int32_t in_buf_size, u_int32_t *required_buf_size, void *buffer)
{
struct ieee80211vap *vap = vaphandle;
void *beacon_buf;
*required_buf_size = 0;
/* Make sure that this VAP is SoftAP */
if (vap->iv_opmode != IEEE80211_M_HOSTAP) {
return EPERM ;
}
if (!vap->iv_beacon_copy_buf) {
/* Error: no beacon buffer */
return EPERM ;
}
if (in_buf_size < vap->iv_beacon_copy_len) {
/* Input buffer too small */
*required_buf_size = vap->iv_beacon_copy_len;
return ENOMEM ;
}
*required_buf_size = vap->iv_beacon_copy_len;
beacon_buf = (void *)vap->iv_beacon_copy_buf;
OS_MEMCPY(buffer, beacon_buf, vap->iv_beacon_copy_len);
return EOK;
}
