/*
* 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 command API */
int
wmi_unified_cmd_send(wmi_unified_t wmi_handle, wmi_buf_t buf, int len, WMI_CMD_ID cmd_id)
{
A_STATUS status;
struct cookie *cookie;
if (wbuf_push(buf, sizeof(WMI_CMD_HDR)) == NULL) {
return -ENOMEM;
}
WMI_SET_FIELD(wbuf_header(buf), WMI_CMD_HDR, COMMANDID, cmd_id);
//WMI_CMD_HDR_SET_DEVID(cmd_hdr, 0); // unused
cookie = ol_alloc_cookie(wmi_handle);
if (!cookie) {
return -ENOMEM;
}
cookie->PacketContext = buf;
SET_HTC_PACKET_INFO_TX(&cookie->HtcPkt,
cookie,
wbuf_header(buf),
len+sizeof(WMI_CMD_HDR),
/* htt_host_data_dl_len(buf)+20 */
wmi_handle->wmi_endpoint_id,
0/*htc_tag*/);
SET_HTC_PACKET_NET_BUF_CONTEXT(&cookie->HtcPkt, buf);
status = HTCSendPkt(wmi_handle->htc_handle, &cookie->HtcPkt);
return ((status == A_OK) ? EOK : -1);
}
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;
}
/* Debug function to dump the status of the Queue
* This function will be used handy to debug the
* buffer corruptions.
* Prints Next, Previous and Last buffers of first
* buffer of every frm in the Q. Also it prints all
* the control words of first desc of every frame and
* status words of last desc of every frame.
*/
void
dumpTxQueue(struct ath_softc *sc, ath_bufhead *bfhead)
{
struct ath_buf *bf = TAILQ_FIRST(bfhead);
struct ath_desc *ds, *lastds;
struct ieee80211_frame *wh;
if (!bf)
printk("EMPTY QUEUE\n");
while (bf) {
ds = bf->bf_desc;
if (bf->bf_lastfrm) {
wh = (struct ieee80211_frame *)wbuf_header(bf->bf_mpdu);
lastds = bf->bf_lastfrm->bf_desc;
printk("\nSWRInfo: seqno %d isswRetry %d retryCnt %d\n",wh ? (*(u_int16_t *)&wh->i_seq[0]) >> 4 : 0, bf->bf_isswretry,bf->bf_swretries);
printk("Buffer #%p --> Next#%p Prev#%p Last#%p\n",bf, TAILQ_NEXT(bf,bf_list),
TAILQ_PREV(bf, ath_bufhead_s, bf_list), bf->bf_lastfrm);
printk(" Stas#%08X flag#%08X Node#%p\n", bf->bf_status, bf->bf_flags, bf->bf_node);
printk("Descr #%08X --> Next#%08X Data#%08X Ctl0#%08X Ctl1#%08X\n", bf->bf_daddr, ds->ds_link, ds->ds_data, ds->ds_ctl0, ds->ds_ctl1);
printk(" Ctl2#%08X Ctl3#%08X Sta0#%08X Sta1#%08X\n",ds->ds_hw[0], ds->ds_hw[1], lastds->ds_hw[2], lastds->ds_hw[3]);
}
bf = TAILQ_NEXT(bf,bf_list);
}
void ath_ald_update_frame_stats(struct ath_softc *sc, struct ath_buf *bf, struct ath_tx_status *ts)
{
struct ieee80211_frame *wh;
int type;
int bfUsed = 0;
u_int32_t ptime = 0;
u_int32_t airtime = 0;
int i;
void *ds = bf->bf_lastbf->bf_desc;
wh = (struct ieee80211_frame *)wbuf_header(bf->bf_mpdu);
type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
if((type == IEEE80211_FC0_TYPE_DATA) &&
(!IEEE80211_IS_MULTICAST(wh->i_addr1)) &&
(!IEEE80211_IS_BROADCAST(wh->i_addr1))){
for(i=0; i < HAL_NUM_TX_QUEUES; i++) {
if (ATH_TXQ_SETUP(sc, i)) {
bfUsed += sc->sc_txq[i].axq_num_buf_used;
}
}
ptime = sc->sc_ald.sc_ald_txairtime;
airtime = ath_hal_txcalcairtime(sc->sc_ah, ds, ts, AH_FALSE, 1, 1);
sc->sc_ald.sc_ald_txairtime += airtime;
if (ptime > sc->sc_ald.sc_ald_txairtime) {
sc->sc_ald.sc_ald_txairtime = airtime;
sc->sc_ald.sc_ald_pktnum = 0;
}
if (airtime) {
sc->sc_ald.sc_ald_pktlen += (bf->bf_isaggr ? bf->bf_al : bf->bf_frmlen);
sc->sc_ald.sc_ald_pktnum += bf->bf_nframes;
sc->sc_ald.sc_ald_bfused += bfUsed;
sc->sc_ald.sc_ald_counter += 1;
}
}
}
void
wep_dump(struct ieee80211_key *k, wbuf_t wbuf, int hdrlen)
{
struct ieee80211_frame *wh;
struct wep_ctx *ctx = k->wk_private;
struct ieee80211vap *vap = ctx->wc_vap;
unsigned int iv,idx,icv;
unsigned char *ptr;
unsigned char kbuf[64];
wh = (struct ieee80211_frame *)wbuf_header(wbuf);
ptr = (unsigned char*)wh;
idx = iv = 0;
memcpy(&iv, ptr+hdrlen, 3);
idx = ptr[hdrlen+3];
memcpy(&icv, ptr+wbuf_get_pktlen(wbuf)-4, 4);
memcpy(kbuf, k->wk_key, k->wk_keylen);
IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_CRYPTO, wh->i_addr1,
"%s and seq=%02x-%02x\n", "addr1", wh->i_seq[0], wh->i_seq[1]);
IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_CRYPTO, wh->i_addr3,
"%s", "addr3");
IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_CRYPTO, wh->i_addr2,
"IV=%08x idx=%d ICV=%08x, hdrlen=%d",iv, idx&0xff, icv, hdrlen);
printk("key dump:len=%d\n", k->wk_keylen);
dump_hex_buf(kbuf, (int)k->wk_keylen);
printk("packet dump:pktlen=%d,len=%d\n", wbuf_get_pktlen(wbuf), wbuf_get_len(wbuf));
dump_hex_buf((uint8_t*)ptr/*wbuf_raw_data(wbuf)*/, (int)wbuf_get_pktlen(wbuf));
}
int ieee80211_crypto_handle_keymiss(struct ieee80211com *ic,
wbuf_t wbuf,
struct ieee80211_rx_status *rs)
{
struct ieee80211_node *ni = NULL;
/*
* Handle packets with keycache miss
*/
if ((rs->rs_flags & IEEE80211_RX_KEYMISS)) {
ni = ieee80211_find_rxnode(ic,
(const struct ieee80211_frame_min *) wbuf_header(wbuf));
if( ni != NULL) {
struct ieee80211vap *vap = ni->ni_vap;
ieee80211_key_update_begin(vap);
if (!ieee80211_crypto_keymiss(ni, wbuf, rs)) {
IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO, "%s: Couldn't decrypt, dropping packet.\n",
__func__);
wbuf_free(wbuf);
ieee80211_key_update_end(vap);
ieee80211_free_node(ni);
return 1;
}else {
ieee80211_key_update_end(vap);
ieee80211_free_node(ni);
}
}
}
return 0;
}
int32_t ieee80211_aow_ctrl_cmd_handler(struct ieee80211com *ic, wbuf_t wbuf,
struct ieee80211_rx_status *rs)
{
struct audio_pkt *apkt;
struct ether_header *eh;
u_int8_t* data;
u_int32_t datalen;
eh = (struct ether_header*)wbuf_header(wbuf);
apkt = GET_AOW_PKT(wbuf);
if (apkt->signature != ATH_AOW_SIGNATURE) {
return 0;
}
if (apkt->pkt_type != AOW_CTRL_PKT) {
return 0;
}
ic->ic_aow.rx_ctrl_framecount++;
data = GET_AOW_DATA(wbuf);
datalen = GET_AOW_DATA_LEN(wbuf);
if (!is_aow_usb_calls_registered()) {
return 0;
}
ieee80211_aow_send_to_host(ic, data, datalen, AOW_HOST_PKT_DATA, 0, eh->ether_shost);
return 0;
}
/* 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
}
int
wlan_frm_haswscie(const wbuf_t wbuf)
{
const u_int8_t *frm = ((u_int8_t *)wbuf_header(wbuf) + sizeof(struct ieee80211_frame));
const u_int8_t *efrm = ((u_int8_t *)wbuf_header(wbuf) + wbuf_get_pktlen(wbuf));
while (frm < efrm) {
switch (*frm) {
case IEEE80211_ELEMID_VENDOR:
if (iswpsoui((u_int8_t *)frm))
return 1;
break;
default:
break;
}
frm += frm[1] + 2;
}
return 0;
}
static int wmi_unified_event_rx(struct wmi_unified *wmi_handle, wmi_buf_t evt_buf)
{
u_int16_t id;
u_int8_t *event;
u_int16_t len;
int status = -1;
u_int16_t handler_id;
ASSERT(evt_buf != NULL);
id = WMI_GET_FIELD(wbuf_header(evt_buf), WMI_CMD_HDR, COMMANDID);
handler_id = (id - WMI_START_EVENTID);
if (wbuf_pull(evt_buf, sizeof(WMI_CMD_HDR)) == NULL) {
//A_DPRINTF(DBG_WMI, (DBGFMT "bad packet 1\n", DBGARG));
//wmip->wmi_stats.cmd_len_err++;
goto end;
}
if (handler_id >= WMI_UNIFIED_MAX_EVENT) {
printk("%s : unkown event id : 0x%x event handler id 0x%x \n",
__func__, id, handler_id);
goto end;
}
event = wbuf_header(evt_buf);
len = wbuf_get_pktlen(evt_buf);
if (!wmi_handle->event_handler[handler_id]) {
printk("%s : no registered event handler : event id 0x%x \n",
__func__, id);
goto end;
}
/* Call the WMI registered event handler */
status = wmi_handle->event_handler[handler_id](wmi_handle->scn_handle, event, len,
wmi_handle->event_handler_cookie[handler_id]);
end:
wbuf_free(evt_buf);
return status;
}
/*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;
}
/*
* callback hadlers: Action frames TX Complete.
*/
void
ath_action_tx_event(void *Context, int8_t tx_status)
{
struct ath_softc_net80211 *scn = (struct ath_softc_net80211 *)Context;
struct ath_usb_p2p_action_queue *p2p_action_wbuf;
IEEE80211_STATE_P2P_ACTION_LOCK_IRQ(scn);
if (scn->sc_p2p_action_queue_head) {
ieee80211_vap_complete_buf_handler handler;
void *arg;
wbuf_t wbuf;
p2p_action_wbuf = scn->sc_p2p_action_queue_head;
if (scn->sc_p2p_action_queue_head == scn->sc_p2p_action_queue_tail) {
scn->sc_p2p_action_queue_head = scn->sc_p2p_action_queue_tail = NULL;
} else {
scn->sc_p2p_action_queue_head = scn->sc_p2p_action_queue_head->next;
}
wbuf = p2p_action_wbuf->wbuf;
if (!p2p_action_wbuf->deleted) {
wbuf_get_complete_handler(wbuf,(void **)&handler, &arg);
if (handler) {
struct ieee80211_node *ni = wbuf_get_node(wbuf);
struct ieee80211_frame *wh = (struct ieee80211_frame *)wbuf_header(wbuf);
wlan_if_t vap = ni->ni_vap;
struct ieee80211_tx_status ts;
ts.ts_flags = tx_status;
ts.ts_retries = 0;
handler(vap, wbuf, arg, wh->i_addr1, wh->i_addr2, wh->i_addr3, &ts);
}
} else {
#ifndef MAGPIE_HIF_GMAC
printk("### action frame %p marked as deleted\n", wbuf);
#endif
}
wbuf_release(scn->sc_osdev, p2p_action_wbuf->wbuf);
OS_FREE(p2p_action_wbuf);
//printk("### %s (%d) : Action TX EVENT DONE...\n", __FUNCTION__, __LINE__);
}
IEEE80211_STATE_P2P_ACTION_UNLOCK_IRQ(scn);
}
void
host_htc_eptx_comp(void *context, wbuf_t skb, HTC_ENDPOINT_ID epid)
{
/* for HTC, since we don't have the "real" tx-status, we do them here. */
struct ath_softc_net80211 *scn = (struct ath_softc_net80211 *)context;
ath_dev_t sc_dev = scn->sc_dev;
struct ath_softc *sc = ATH_DEV_TO_SC(sc_dev);
u_int16_t min_len_req_by_stats = sizeof(ath_data_hdr_t)+sizeof(struct ieee80211_frame);
if( wbuf_get_pktlen(skb)> min_len_req_by_stats &&
wbuf_get_tid(skb) < ATH_HTC_WME_NUM_TID &&(
epid == sc->sc_data_BE_ep ||
epid == sc->sc_data_BK_ep ||
epid == sc->sc_data_VI_ep ||
epid == sc->sc_data_VO_ep )){
struct ieee80211_node *ni = wbuf_get_node(skb);
struct ieee80211vap *vap = ni->ni_vap;
struct ieee80211_frame *wh;
struct ieee80211_tx_status ts;
struct ieee80211_mac_stats *mac_stats;
u_int8_t type, subtype;
u_int8_t is_mcast;
wh = (struct ieee80211_frame *)(wbuf_header(skb)+sizeof(ath_data_hdr_t));
type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK;
/* we fake ts becuase we don't have ts in HTC tx */
ts.ts_flags = 0;
ts.ts_retries = 0;
ieee80211_update_stats(vap, skb, wh, type, subtype, &ts);
/* patch: HTC tx only ath_data_hdr length */
is_mcast = IEEE80211_IS_MULTICAST(wh->i_addr1) ? 1 : 0;
mac_stats = is_mcast ? &vap->iv_multicast_stats : &vap->iv_unicast_stats;
mac_stats->ims_tx_bytes -= sizeof(ath_data_hdr_t);
}
ieee80211_free_node(wbuf_get_node(skb));
}
static void sm_reassoc_complete(os_handle_t osif, IEEE80211_STATUS status, u_int16_t aid, wbuf_t wbuf)
{
wlan_btamp_conn_sm_t sm;
struct ieee80211_frame *wh = NULL;
if (wbuf)
wh = (struct ieee80211_frame *)wbuf_header(wbuf);
sm = ieee80211_btamp_get_smhandle((wlan_btamp_conn_sm_t *)osif, wh->i_addr2,
IEEE80211_BTAMP_CONN_STATE_ASSOC);
if (!sm || sm->is_stop_requested) {
return;
}
if (status == IEEE80211_STATUS_SUCCESS) {
ieee80211_sm_dispatch(sm->hsm_handle,IEEE80211_BTAMP_CONN_EVENT_ASSOC_SUCCESS,0,NULL);
} else {
ieee80211_sm_dispatch(sm->hsm_handle,IEEE80211_BTAMP_CONN_EVENT_ASSOC_FAIL,0,NULL);
}
}
/*
* This function is called when we have successsfully transmitted EOSP.
* It clears the SP flag so that we are ready to accept more triggers
* from this node.
*/
void
ath_net80211_uapsd_eospindicate(ieee80211_node_t node, wbuf_t wbuf, int txok)
{
struct ieee80211_qosframe *qwh;
struct ieee80211_node *ni;
qwh = (struct ieee80211_qosframe *)wbuf_header(wbuf);
ni = (struct ieee80211_node *)node;
if ((qwh->i_fc[0] == (IEEE80211_FC0_SUBTYPE_QOS|IEEE80211_FC0_TYPE_DATA)) ||
(qwh->i_fc[0] == (IEEE80211_FC0_SUBTYPE_QOS_NULL|IEEE80211_FC0_TYPE_DATA)))
{
if (qwh->i_qos[0] & IEEE80211_QOS_EOSP) {
ni->ni_flags &= ~IEEE80211_NODE_UAPSD_SP;
if (!txok)
ni->ni_stats.ns_tx_eosplost++;
}
}
return;
}
/*
* This function is called when we have successsfully transmitted EOSP.
* It clears the SP flag so that we are ready to accept more triggers
* from this node.
*/
void
ath_net80211_uapsd_eospindicate(ieee80211_node_t node, wbuf_t wbuf, int txok, int force_eosp)
{
struct ieee80211_qosframe *qwh;
struct ieee80211_node *ni;
struct ath_softc_net80211 *scn;
if (node == NULL)
return;
qwh = (struct ieee80211_qosframe *)wbuf_header(wbuf);
ni = (struct ieee80211_node *)node;
scn = ATH_SOFTC_NET80211(ni->ni_ic);
if (node == NULL)
return;
if ((qwh->i_fc[0] == (IEEE80211_FC0_SUBTYPE_QOS|IEEE80211_FC0_TYPE_DATA)) ||
(qwh->i_fc[0] == (IEEE80211_FC0_SUBTYPE_QOS_NULL|IEEE80211_FC0_TYPE_DATA)) ||
force_eosp)
{
if (
#if ATH_SUPPORT_WIFIPOS
(ni->ni_flags & IEEE80211_NODE_WAKEUP) ||
#endif
(qwh->i_qos[0] & IEEE80211_QOS_EOSP) || force_eosp) {
struct ieee80211com *ic = ni->ni_ic;
struct ath_softc_net80211 *scn = ATH_SOFTC_NET80211(ic);
ni->ni_flags &= ~IEEE80211_NODE_UAPSD_SP;
DPRINTF(scn, ATH_DEBUG_UAPSD, "%s : End SP\n", __func__);
if (!txok)
ni->ni_stats.ns_tx_eosplost++;
}
}
if ((qwh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_MGT) {
/* clear the SP for node */
ni->ni_flags &= ~IEEE80211_NODE_UAPSD_SP;
}
return;
}
void ieee80211_recv_beacon_ibss(struct ieee80211_node *ni, wbuf_t wbuf, int subtype,
struct ieee80211_rx_status *rs, ieee80211_scan_entry_t scan_entry)
{
struct ieee80211vap *vap = ni->ni_vap;
struct ieee80211com *ic = ni->ni_ic;
u_int16_t capinfo;
int ibssmerge = 0;
struct ieee80211_channelswitch_ie *chanie = NULL;
struct ieee80211_extendedchannelswitch_ie *echanie = NULL;
struct ieee80211_frame *wh;
u_int64_t tsf;
u_int8_t *quiet_elm = NULL;
bool free_node = FALSE;
#if ATH_SUPPORT_IBSS_DFS
struct ieee80211_ibssdfs_ie *ibssdfsie = NULL;
#endif /* ATH_SUPPORT_IBSS_DFS */
wh = (struct ieee80211_frame *)wbuf_header(wbuf);
capinfo = ieee80211_scan_entry_capinfo(scan_entry);
if (!(capinfo & IEEE80211_CAPINFO_IBSS))
return;
OS_MEMCPY((u_int8_t *)&tsf, ieee80211_scan_entry_tsf(scan_entry), sizeof(tsf));
if (ni != ni->ni_bss_node) {
OS_MEMCPY(ni->ni_tstamp.data, &tsf, sizeof(ni->ni_tstamp));
/* update activity indication */
ni->ni_beacon_rstamp = OS_GET_TIMESTAMP();
ni->ni_probe_ticks = 0;
}
/*
* Check BBSID before updating our beacon configuration to make
* sure the received beacon really belongs to our Adhoc network.
*/
if ((subtype == IEEE80211_FC0_SUBTYPE_BEACON) &&
ieee80211_vap_ready_is_set(vap) &&
(IEEE80211_ADDR_EQ(wh->i_addr3, ieee80211_node_get_bssid(vap->iv_bss)))) {
/*
* if the neighbor is not in the list, add it to the list.
*/
if (ni == ni->ni_bss_node) {
ni = ieee80211_add_neighbor(ni, scan_entry);
if (ni == NULL) {
return;
}
OS_MEMCPY(ni->ni_tstamp.data, &tsf, sizeof(ni->ni_tstamp));
free_node = TRUE;
}
ni->ni_rssi = rs->rs_rssi;
/*
* record tsf of last beacon into bss node
*/
OS_MEMCPY(ni->ni_bss_node->ni_tstamp.data, &tsf, sizeof(ni->ni_tstamp));
/*
* record absolute time of last beacon
*/
vap->iv_last_beacon_time = OS_GET_TIMESTAMP();
ic->ic_beacon_update(ni, rs->rs_rssi);
#if ATH_SUPPORT_IBSS_WMM
/*
* check for WMM parameters
*/
if ((ieee80211_scan_entry_wmeparam_ie(scan_entry) != NULL) ||
(ieee80211_scan_entry_wmeinfo_ie(scan_entry) != NULL)) {
/* Node is WMM-capable if WME IE (either subtype) is present */
ni->ni_ext_caps |= IEEE80211_NODE_C_QOS;
/* QOS-enable */
ieee80211node_set_flag(ni, IEEE80211_NODE_QOS);
} else {
/* If WME IE not present node is not WMM capable */
ni->ni_ext_caps &= ~IEEE80211_NODE_C_QOS;
ieee80211node_clear_flag(ni, IEEE80211_NODE_QOS);
}
#endif
#if ATH_SUPPORT_IBSS_DFS
if (ic->ic_curchan->ic_flagext & IEEE80211_CHAN_DFS) {
//check and see if we need to update other info for ibss_dfsie
ibssdfsie = (struct ieee80211_ibssdfs_ie *)ieee80211_scan_entry_ibssdfs_ie(scan_entry);
if(ibssdfsie) {
if (ieee80211_check_and_update_ibss_dfs(vap, ibssdfsie)) {
ieee80211_ibss_beacon_update_start(ic);
}
}
/* update info from DFS owner */
if(ibssdfsie){
if(IEEE80211_ADDR_EQ(wh->i_addr2, ibssdfsie->owner)) {
if(OS_MEMCMP(ibssdfsie, &vap->iv_ibssdfs_ie_data, MIN_IBSS_DFS_IE_CONTENT_SIZE)) {
if(le64_to_cpu(tsf) >= rs->rs_tstamp.tsf){
IEEE80211_ADDR_COPY(vap->iv_ibssdfs_ie_data.owner, ibssdfsie->owner);
vap->iv_ibssdfs_ie_data.rec_interval = ibssdfsie->rec_interval;
ieee80211_ibss_beacon_update_start(ic);
}
}
}
}
/* check if owner and it is not transmitting ibssIE */
else if(IEEE80211_ADDR_EQ(wh->i_addr2, vap->iv_ibssdfs_ie_data.owner)){
IEEE80211_ADDR_COPY(vap->iv_ibssdfs_ie_data.owner, vap->iv_myaddr);
vap->iv_ibssdfs_state = IEEE80211_IBSSDFS_OWNER;
ieee80211_ibss_beacon_update_start(ic);
}
}
#endif /* ATH_SUPPORT_IBSS_DFS */
/*
* check for spectrum management
*/
if (capinfo & IEEE80211_CAPINFO_SPECTRUM_MGMT) {
chanie = (struct ieee80211_channelswitch_ie *) ieee80211_scan_entry_csa(scan_entry);
#if ATH_SUPPORT_IBSS_DFS
if(chanie)
{
OS_MEMCPY(&vap->iv_channelswitch_ie_data, chanie, sizeof(struct ieee80211_channelswitch_ie));
ieee80211_ibss_beacon_update_start(ic);
}
#endif /* ATH_SUPPORT_IBSS_DFS */
echanie = (struct ieee80211_extendedchannelswitch_ie *) ieee80211_scan_entry_xcsa(scan_entry);
if ((!chanie) && (!echanie)) {
quiet_elm = ieee80211_scan_entry_quiet(scan_entry);
}
}
}
/*
* Handle ibss merge as needed; check the tsf on the
* frame before attempting the merge. The 802.11 spec
* says the station should change its bssid to match
* the oldest station with the same ssid, where oldest
* is determined by the tsf. Note that hardware
* reconfiguration happens through callback to
* ath as the state machine will go from
* RUN -> RUN when this happens.
*/
if (ieee80211_vap_ready_is_set(vap) &&
(le64_to_cpu(tsf) >= rs->rs_tstamp.tsf)) {
ibssmerge = ieee80211_ibss_merge(ni,scan_entry);
}
if (ibssmerge) {
ieee80211_mlme_adhoc_merge_start(ni);
}
/*
* RNWF-specific: indicate to NDIS about the potential association.
* It should be done after IBSS merge, which is called from ath_beacon_update().
*/
if (IEEE80211_ADDR_EQ(wh->i_addr3, ieee80211_node_get_bssid(ni))) {
/* Indicate node joined IBSS */
if ((capinfo & IEEE80211_CAPINFO_RADIOMEAS)
&& ieee80211_vap_rrm_is_set(vap)) {
if(ni->ni_assoc_state != IEEE80211_NODE_ADHOC_STATE_AUTH_ASSOC)
ieee80211_set_node_rrm(ni,TRUE);
} else {
ieee80211_set_node_rrm(ni,FALSE);
}
ieee80211_mlme_adhoc_join_indication(ni, wbuf);
/* notify mlme of beacon reception */
ieee80211_mlme_join_complete_adhoc(ni);
}
if (ibssmerge) {
ieee80211_mlme_adhoc_merge_completion(ni);
}
if (quiet_elm) {
ic->ic_set_quiet(ni, quiet_elm);
}
if (free_node == TRUE) {
ieee80211_free_node(ni);
}
}
void mlme_recv_auth_btamp(struct ieee80211_node *ni,
u_int16_t algo, u_int16_t seq, u_int16_t status_code,
u_int8_t *challenge, u_int8_t challenge_length, wbuf_t wbuf)
{
struct ieee80211vap *vap = ni->ni_vap;
struct ieee80211_mlme_priv *mlme_priv = vap->iv_mlme_priv;
struct ieee80211_frame *wh;
u_int16_t indication_status = IEEE80211_STATUS_SUCCESS,response_status = IEEE80211_STATUS_SUCCESS ;
bool send_auth_response=true, indicate=true;
wh = (struct ieee80211_frame *) wbuf_header(wbuf);
/* AP must be up and running */
if (!mlme_priv->im_connection_up || ieee80211_vap_ready_is_clear(vap)) {
return;
}
IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_AUTH, wh->i_addr2,
"recv auth frame with algorithm %d seq %d \n", algo, seq);
do {
/* Check node existance for the peer */
if (ni == vap->iv_bss) {
return;
} else {
ieee80211_ref_node(ni);
}
/* Validate algo */
if (algo == IEEE80211_AUTH_ALG_OPEN) {
if (mlme_priv->im_expected_auth_seq_number) {
send_auth_response = false;
indicate = false;
if (seq == mlme_priv->im_expected_auth_seq_number) {
if (!OS_CANCEL_TIMER(&mlme_priv->im_timeout_timer)) {
IEEE80211_DPRINTF(vap, IEEE80211_MSG_MLME, "%s: Timed-out already\n", __func__);
break;
}
IEEE80211_DPRINTF(vap, IEEE80211_MSG_MLME, "%s: mlme_auth_complete\n", __func__);
/* Request complete */
mlme_priv->im_request_type = MLME_REQ_NONE;
/* Authentication complete (success or failure) */
IEEE80211_DELIVER_EVENT_MLME_AUTH_COMPLETE(vap, status_code);
vap->iv_mlme_priv->im_expected_auth_seq_number = 0;
} else {
break;
}
} else {
if (seq != IEEE80211_AUTH_OPEN_REQUEST) {
response_status = IEEE80211_STATUS_SEQUENCE;
indication_status = IEEE80211_STATUS_SEQUENCE;
break;
} else {
indicate = true;
send_auth_response = true;
}
}
} else if (algo == IEEE80211_AUTH_ALG_SHARED) {
response_status = IEEE80211_STATUS_ALG;
indication_status = IEEE80211_STATUS_ALG;
break;
} else {
IEEE80211_DPRINTF(vap, IEEE80211_MSG_AUTH | IEEE80211_MSG_CRYPTO,
"[%s] auth: unsupported algorithm %d \n",ether_sprintf(wh->i_addr2),algo);
vap->iv_stats.is_rx_auth_unsupported++;
response_status = IEEE80211_STATUS_ALG;
indication_status = IEEE80211_STATUS_ALG;
break;
}
} while (FALSE);
IEEE80211_DELIVER_EVENT_MLME_AUTH_INDICATION(vap, ni->ni_macaddr, indication_status);
if (send_auth_response) {
ieee80211_send_auth(ni, seq + 1, response_status, NULL, 0);
}
if (ni) {
if (indication_status != IEEE80211_STATUS_SUCCESS ){
/* auth is not success, remove the node from node table*/
ieee80211_node_leave(ni);
}
/*
* release the reference created at the begining of the case above
* either by alloc_node or ref_node.
*/
ieee80211_free_node(ni);
}
}
/*
* processes data frames.
* ieee80211_wow_magic_parser parses the wbuf to check if match magic packet.
*/
void
ieee80211_wow_magic_parser(struct ieee80211_node *ni, wbuf_t wbuf)
{
struct ieee80211vap *vap = ni->ni_vap;
a_uint8_t i_addr[IEEE80211_ADDR_LEN];
a_int32_t left_len = wbuf_get_pktlen(wbuf);
a_uint8_t *cur_ptr;
a_uint32_t dup_cnt, is_match = FALSE, is_bcast = FALSE;
//wow_dump_pkt(wbuf->data, wbuf->len);
if (left_len < IEEE80211_WOW_MAGIC_PKTLEN)
return;
cur_ptr = wbuf_header(wbuf);
IEEE80211_ADDR_COPY(i_addr, vap->iv_myaddr);
/* parse whole pkt */
while (cur_ptr && (left_len>0) && (!is_match)) {
/* left len is less than magic pkt size, give up */
if (left_len < IEEE80211_WOW_MAGIC_PKTLEN)
break;
/* to skip continuous 0xFF and to match last 6 bytes of 0xFF */
while (IEEE80211_IS_BROADCAST(cur_ptr) && (left_len>=IEEE80211_WOW_MAGIC_PKTLEN)) {
is_bcast = TRUE;
cur_ptr += IEEE80211_ADDR_LEN;
left_len -= IEEE80211_ADDR_LEN;
}
/* 6 bytes of 0xFF matched, to check if 16 duplications of the IEEE address */
if (is_bcast) {
dup_cnt = 0;
/* if 0xFF exists at head, skip it */
while ((cur_ptr[0]==0xFF) && (left_len>=IEEE80211_WOW_MAGIC_DUPLEN)) {
cur_ptr++;
left_len--;
}
/* left len is less than duplication size, give up */
if (left_len < IEEE80211_WOW_MAGIC_DUPLEN)
break;
/* to check if 16 duplications of the IEEE address */
while (cur_ptr && (left_len>=IEEE80211_ADDR_LEN) && IEEE80211_ADDR_EQ(cur_ptr, i_addr)) {
cur_ptr += IEEE80211_ADDR_LEN;
left_len -= IEEE80211_ADDR_LEN;
dup_cnt++;
if (dup_cnt >= IEEE80211_WOW_MAGIC_DUPCNT) {
is_match = TRUE;
break;
}
}
/* not match magic pkt, keep parsing */
is_bcast = FALSE;
} else {
cur_ptr++;
left_len--;
}
}
if (is_match) {
adf_os_print("Magic packet received...\n");
ieee80211_wow_set_gpio(vap);
}
}
/*
* Add privacy headers appropriate for the specified key.
*/
static int
ccmp_encap(struct ieee80211_key *k, wbuf_t wbuf, u_int8_t keyid)
{
struct ccmp_ctx *ctx = k->wk_private;
struct ieee80211com *ic = ctx->cc_ic;
u_int8_t *ivp;
int hdrlen;
int is4addr, isqos, owl_wdswar;
struct ieee80211_frame *wh;
struct ieee80211_node *ni = wbuf_get_node(wbuf);
wh = (struct ieee80211_frame *)wbuf_header(wbuf);
is4addr = ((wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS) ? 1 : 0;
isqos = IEEE80211_QOS_HAS_SEQ(wh);
owl_wdswar = (ni->ni_flags & IEEE80211_NODE_OWL_WDSWAR);
hdrlen = ieee80211_hdrspace(ic, wbuf_header(wbuf));
/*
* Copy down 802.11 header and add the IV, KeyID, and ExtIV.
*/
#ifndef __CARRIER_PLATFORM__
ivp = (u_int8_t *)wbuf_push(wbuf, ccmp.ic_header);
/*
* refresh the wh pointer,
* wbuf header pointer is changed with wbuf_push.
*/
wh = (struct ieee80211_frame *) wbuf_header(wbuf); /* recompute wh */
memmove(ivp, ivp + ccmp.ic_header, hdrlen);
#else
if (wbuf_is_encap_done(wbuf)) {
ivp = (u_int8_t *)wbuf_header(wbuf);
}
else {
ivp = (u_int8_t *)wbuf_push(wbuf, ccmp.ic_header);
memmove(ivp, ivp + ccmp.ic_header, hdrlen);
/*
* refresh the wh pointer,
* wbuf header pointer is changed with wbuf_push.
*/
wh = (struct ieee80211_frame *) wbuf_header(wbuf); /* recompute wh */
}
#endif
ivp += hdrlen;
/*
* Due to OWL specific HW bug, increment key tsc by 16, since
* we're copying the TID into bits [3:0] of IV0.
* XXX: Need logic to not implement workaround for SOWL or greater.
*/
if (is4addr && isqos && owl_wdswar)
k->wk_keytsc += 16;
else
k->wk_keytsc++; /* XXX wrap at 48 bits */
ivp[0] = k->wk_keytsc >> 0; /* PN0 */
ivp[1] = k->wk_keytsc >> 8; /* PN1 */
ivp[2] = 0; /* Reserved */
ivp[3] = keyid | IEEE80211_WEP_EXTIV; /* KeyID | ExtID */
ivp[4] = k->wk_keytsc >> 16; /* PN2 */
ivp[5] = k->wk_keytsc >> 24; /* PN3 */
ivp[6] = k->wk_keytsc >> 32; /* PN4 */
ivp[7] = k->wk_keytsc >> 40; /* PN5 */
/*
* Finally, do software encrypt if neeed.
*/
if (k->wk_flags & IEEE80211_KEY_SWCRYPT) {
if (!ccmp_encrypt(k, wbuf, hdrlen, 0)) {
return 0;
}
}
if ((k->wk_flags & IEEE80211_KEY_MFP) && IEEE80211_IS_MFP_FRAME(wh)) {
if (ic->ic_get_mfpsupport(ic) != IEEE80211_MFP_HW_CRYPTO) {
/* HW MFP is not enabled - do software encrypt */
if (!ccmp_encrypt(k, wbuf, hdrlen, 1)) {
return 0;
}
}
}
return 1;
}
/*
* Validate and strip privacy headers (and trailer) for a
* received frame. The specified key should be correct but
* is also verified.
*/
static int
ccmp_decap(struct ieee80211_key *k, wbuf_t wbuf, int hdrlen, struct ieee80211_rx_status *rs)
{
struct ccmp_ctx *ctx = k->wk_private;
struct ieee80211vap *vap = ctx->cc_vap;
struct ieee80211_frame *wh;
uint8_t *ivp, *origHdr;
u_int64_t pn;
u_int8_t tid;
struct ieee80211_mac_stats *mac_stats;
u_int32_t hwmfp;
uint8_t update_keyrsc = 1;
/*
* Header should have extended IV and sequence number;
* verify the former and validate the latter.
*/
origHdr = (u_int8_t *)wbuf_header(wbuf);
wh = (struct ieee80211_frame *)origHdr;
mac_stats = IEEE80211_IS_MULTICAST(wh->i_addr1) ? &vap->iv_multicast_stats : &vap->iv_unicast_stats;
if (IEEE80211_IS_MFP_FRAME(wh)) {
IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO, "%s MFP frame\n", __func__);
}
if (rs->rs_flags & IEEE80211_RX_DECRYPT_ERROR) {
IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO, "%s decrypt error\n", __func__);
if (IEEE80211_IS_MFP_FRAME(wh)) {
/* It may not be real crypto error, but hardware didn't do correct
* decryption. Try software decrypt later.
*/
rs->rs_flags &= ~IEEE80211_RX_DECRYPT_ERROR;
rs->rs_flags |= IEEE80211_RX_MIC_ERROR;
} else {
/* The frame already failed decryption in hardware,
* just update statistics and return. */
mac_stats->ims_rx_ccmpmic++;
return 0;
}
}
ivp = origHdr + hdrlen;
if ((ivp[IEEE80211_WEP_IVLEN] & IEEE80211_WEP_EXTIV) == 0) {
/*
* No extended IV; discard frame.
*/
IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_CRYPTO, wh->i_addr2,
"%s", "Missing ExtIV for AES-CCM cipher");
mac_stats->ims_rx_ccmpformat++;
return 0;
}
tid = IEEE80211_NON_QOS_SEQ;
if (IEEE80211_QOS_HAS_SEQ(wh)) {
if ( (wh->i_fc[1] & IEEE80211_FC1_DIR_MASK)
== IEEE80211_FC1_DIR_DSTODS ) {
tid = ((struct ieee80211_qosframe_addr4 *)wh)->i_qos[0] & IEEE80211_QOS_TID;
} else {
tid = ((struct ieee80211_qosframe *)wh)->i_qos[0] & IEEE80211_QOS_TID;
}
}
/* NB: assume IEEEE80211_WEP_MINLEN covers the extended IV */
pn = READ_6(ivp[0], ivp[1], ivp[4], ivp[5], ivp[6], ivp[7]);
if (pn <= k->wk_keyrsc[tid]) {
/*
* Replay violation.
*/
IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO,
"%s: CCMP Replay! Throw away. new pn=0x%x%x, "
"current pn=0x%x%x. seq=0x%x,Rsvd=0x%x,keyID=0x%x,tid=%d\n",
__func__,
(u_int32_t)(pn>>32), (u_int32_t)pn,
(u_int32_t)(k->wk_keyrsc[tid] >> 32), (u_int32_t)k->wk_keyrsc[tid],
*(u_int16_t*)(wh->i_seq),
ivp[2], ivp[3],
tid
);
ieee80211_notify_replay_failure(vap, wh, k, pn);
mac_stats->ims_rx_ccmpreplay++;
return 0;
}
/*
* node saveq flush.
*/
void
ath_node_pwrsaveq_flush(ath_node_t node)
{
struct ath_node *an = ATH_NODE(node);
struct ath_softc *sc = an->an_sc;
ath_wbuf_t athwbuf;
wbuf_t wbuf;
struct ath_node_pwrsaveq *dataq,*mgtq;
int dqlen, mqlen;
ieee80211_tx_control_t *txctl;
dataq = ATH_NODE_PWRSAVEQ_DATAQ(an);
mgtq = ATH_NODE_PWRSAVEQ_MGMTQ(an);
/* XXX if no stations in ps mode, flush mc frames */
dqlen = ATH_NODE_PWRSAVEQ_QLEN(dataq);
/*
* Flush queued mgmt frames.
*/
ATH_NODE_PWRSAVEQ_LOCK(mgtq);
if (ATH_NODE_PWRSAVEQ_QLEN(mgtq) != 0) {
DPRINTF(sc, ATH_DEBUG_PWR_SAVE, "flush mgt ps queue, %u packets queued \n",
ATH_NODE_PWRSAVEQ_QLEN(mgtq));
for (;;) {
ATH_NODE_PWRSAVEQ_DEQUEUE(mgtq, athwbuf);
if (athwbuf == NULL)
break;
wbuf = athwbuf->wbuf;
ASSERT(wbuf);
mqlen = ATH_NODE_PWRSAVEQ_QLEN(mgtq);
DPRINTF(sc, ATH_DEBUG_PWR_SAVE, "sendmgmt ps queue, %u packets remaining \n", mqlen);
/*
* For a Station node (non bss node) If this is the last packet, turn off the TIM bit,
* Set the PWR_SAV bit on every frame but the last one
* to allow encap to test for
* adding more MORE_DATA bit to wh.
*/
if (mqlen || dqlen) {
wbuf_set_moredata(wbuf);
if (wbuf_is_moredata(wbuf)) {
struct ieee80211_frame *wh = (struct ieee80211_frame *)wbuf_header(wbuf);
wh->i_fc[1] |= IEEE80211_FC1_MORE_DATA;
}
}
wbuf_clear_legacy_ps(wbuf);
txctl = &athwbuf->txctl;
if (sc->sc_ath_ops.tx(sc, wbuf, txctl) != 0) {
DPRINTF(sc, ATH_DEBUG_PWR_SAVE, "%s: send error, comple the wbuf\n", __func__);
ath_node_pwrsaveq_complete_athwbuf(an, athwbuf);
} else {
if (athwbuf) {
OS_FREE_PS(athwbuf);
}
}
}
}
mgtq->nsq_num_ps_frames = 0;
ATH_NODE_PWRSAVEQ_UNLOCK(mgtq);
/*
* Flush queued unicast frames.
*/
ATH_NODE_PWRSAVEQ_LOCK(dataq);
if (ATH_NODE_PWRSAVEQ_QLEN(dataq) != 0) {
DPRINTF(sc, ATH_DEBUG_PWR_SAVE, "flush data ps queue, %u packets queued \n",
ATH_NODE_PWRSAVEQ_QLEN(dataq));
for (;;) {
ATH_NODE_PWRSAVEQ_DEQUEUE(dataq, athwbuf);
if (athwbuf == NULL)
break;
wbuf = athwbuf->wbuf;
ASSERT(wbuf);
dqlen = ATH_NODE_PWRSAVEQ_QLEN(dataq);
DPRINTF(sc, ATH_DEBUG_PWR_SAVE, "senddata ps queue, %u packets remaining \n", dqlen);
/*
* For a Station node (non bss node) If this is the last packet, turn off the TIM bit,
* Set the PWR_SAV bit on every frame but the last one
* to allow encap to test for
* adding more MORE_DATA bit to wh.
*/
if (dqlen) {
wbuf_set_moredata(wbuf);
if (wbuf_is_moredata(wbuf)) {
struct ieee80211_frame *wh = (struct ieee80211_frame *)wbuf_header(wbuf);
wh->i_fc[1] |= IEEE80211_FC1_MORE_DATA;
}
}
wbuf_clear_legacy_ps(wbuf);
txctl = &athwbuf->txctl;
if (sc->sc_ath_ops.tx(sc, wbuf, txctl) != 0) {
DPRINTF(sc, ATH_DEBUG_PWR_SAVE, "%s: send error, comple the wbuf\n", __func__);
ath_node_pwrsaveq_complete_athwbuf(an, athwbuf);
} else {
if (athwbuf) {
OS_FREE_PS(athwbuf);
}
}
}
}
ATH_NODE_PWRSAVEQ_UNLOCK(dataq);
/* TIM will be set by UMAC caller */
}
/*
* send one frme out of power save queue .
* called in reponse to PS poll.
* returns 1 if succesfully sends a frame. 0 other wise.
*/
int
ath_node_pwrsaveq_send(ath_node_t node, u_int8_t frame_type)
{
struct ath_node *an = ATH_NODE(node);
struct ath_softc *sc = an->an_sc;
ath_wbuf_t athwbuf;
wbuf_t wbuf = NULL;
int qlen;
struct ath_node_pwrsaveq *dataq, *mgtq;
ieee80211_tx_control_t *txctl;
struct ieee80211_frame *wh;
u_int8_t more_frag;
dataq = ATH_NODE_PWRSAVEQ_DATAQ(an);
mgtq = ATH_NODE_PWRSAVEQ_MGMTQ(an);
next_frag:
ATH_NODE_PWRSAVEQ_LOCK(dataq);
ATH_NODE_PWRSAVEQ_LOCK(mgtq);
if (frame_type == IEEE80211_FC0_TYPE_MGT) {
ATH_NODE_PWRSAVEQ_DEQUEUE(mgtq, athwbuf);
if (athwbuf)
wbuf = athwbuf->wbuf;
if (wbuf && wbuf_is_pwrsaveframe(wbuf)) {
/* ps frame (null (or) pspoll frame) */
--mgtq->nsq_num_ps_frames;
}
} else {
ATH_NODE_PWRSAVEQ_DEQUEUE(dataq, athwbuf);
if (athwbuf)
wbuf = athwbuf->wbuf;
}
if (athwbuf == NULL || wbuf == NULL) {
ATH_NODE_PWRSAVEQ_UNLOCK(mgtq);
ATH_NODE_PWRSAVEQ_UNLOCK(dataq);
return 0;
}
qlen = ATH_NODE_PWRSAVEQ_QLEN(dataq);
qlen += ATH_NODE_PWRSAVEQ_QLEN(mgtq);
ATH_NODE_PWRSAVEQ_UNLOCK(mgtq);
ATH_NODE_PWRSAVEQ_UNLOCK(dataq);
wh = (struct ieee80211_frame *)wbuf_header(wbuf);
more_frag = wh->i_fc[1] & IEEE80211_FC1_MORE_FRAG;
/*
* If there are more packets, set the more packets bit
* in the packet dispatched to the station; otherwise
* turn off the TIM bit.
*/
if (qlen != 0) {
DPRINTF(sc, ATH_DEBUG_PWR_SAVE, "send packet, %u still queued \n", qlen);
/*
* encap will set more data bit.
*/
wbuf_set_moredata(wbuf);
if (wbuf_is_moredata(wbuf)) {
wh->i_fc[1] |= IEEE80211_FC1_MORE_DATA;
}
} else {
DPRINTF(sc, ATH_DEBUG_PWR_SAVE, "%s", "send packet, queue empty \n");
/* TIM bit will be set by UMAC caller */
}
wbuf_clear_legacy_ps(wbuf);
txctl = &athwbuf->txctl;
if (sc->sc_ath_ops.tx(sc, wbuf, txctl) != 0) {
DPRINTF(sc, ATH_DEBUG_PWR_SAVE, "%s: send error, comple the wbuf\n", __func__);
ath_node_pwrsaveq_complete_athwbuf(an, athwbuf);
/* process all fragment together */
if (more_frag)
goto next_frag;
return 0;
}
if (athwbuf) {
OS_FREE_PS(athwbuf);
}
/* process all fragments together */
if (more_frag)
goto next_frag;
return 1;
}
int
ccmp_encrypt(struct ieee80211_key *key, wbuf_t wbuf0, int hdrlen, int mfp)
{
struct ccmp_ctx *ctx = key->wk_private;
struct ieee80211_frame *wh;
wbuf_t wbuf = wbuf0;
int data_len, i, space;
uint8_t aad[2 * AES_BLOCK_LEN], b0[AES_BLOCK_LEN], b[AES_BLOCK_LEN],
e[AES_BLOCK_LEN], s0[AES_BLOCK_LEN];
uint8_t *pos;
ctx->cc_vap->iv_stats.is_crypto_ccmp++;
wh = (struct ieee80211_frame *)wbuf_header(wbuf);
data_len = wbuf_get_pktlen(wbuf) - (hdrlen + ccmp.ic_header);
ccmp_init_blocks(&ctx->cc_aes, wh, key->wk_keytsc,
data_len, b0, aad, b, s0, mfp);
i = 1;
pos = (u_int8_t *)wbuf_header(wbuf) + hdrlen + ccmp.ic_header;
/* NB: assumes header is entirely in first mbuf */
space = wbuf_get_pktlen(wbuf) - (hdrlen + ccmp.ic_header);
for (;;) {
if (space > data_len)
space = data_len;
/*
* Do full blocks.
*/
while (space >= AES_BLOCK_LEN) {
CCMP_ENCRYPT(i, b, b0, pos, e, AES_BLOCK_LEN);
pos += AES_BLOCK_LEN, space -= AES_BLOCK_LEN;
data_len -= AES_BLOCK_LEN;
i++;
}
if (data_len <= 0) /* no more data */
break;
wbuf = wbuf_next(wbuf);
if (wbuf == NULL) { /* last buffer */
if (space != 0) {
/*
* Short last block.
*/
CCMP_ENCRYPT(i, b, b0, pos, e, space);
}
break;
}
#if 1 /* assume only one chunk */
break;
#else
if (space != 0) {
uint8_t *pos_next;
int space_next;
int len, dl, sp;
wbuf_t wbufi_new;
/*
* Block straddles one or more mbufs, gather data
* into the block buffer b, apply the cipher, then
* scatter the results back into the mbuf chain.
* The buffer will automatically get space bytes
* of data at offset 0 copied in+out by the
* CCMP_ENCRYPT request so we must take care of
* the remaining data.
*/
wbuf_new = wbuf;
dl = data_len;
sp = space;
for (;;) {
pos_next = (u_int8_t *)wbuf_header(wbuf_new);
len = min(dl, AES_BLOCK_LEN);
space_next = len > sp ? len - sp : 0;
if (wbuf_get_len(wbuf_new) >= space_next) {
/*
* This mbuf has enough data; just grab
* what we need and stop.
*/
xor_block(b+sp, pos_next, space_next);
break;
}
/*
* This mbuf's contents are insufficient,
* take 'em all and prepare to advance to
* the next mbuf.
*/
xor_block(b+sp, pos_next, n->m_len);
sp += wbuf_get_len(wbuf_new), dl -= wbuf_get_len(wbuf_new);
wbuf_next = m_next;
if (n == NULL)
break;
}
CCMP_ENCRYPT(i, b, b0, pos, e, space);
/* NB: just like above, but scatter data to mbufs */
dl = data_len;
sp = space;
for (;;) {
pos_next = mtod(m, uint8_t *);
len = min(dl, AES_BLOCK_LEN);
space_next = len > sp ? len - sp : 0;
if (m->m_len >= space_next) {
xor_block(pos_next, e+sp, space_next);
break;
}
xor_block(pos_next, e+sp, m->m_len);
sp += m->m_len, dl -= m->m_len;
m = m->m_next;
if (m == NULL)
goto done;
}
/*
* Do bookkeeping. m now points to the last mbuf
* we grabbed data from. We know we consumed a
* full block of data as otherwise we'd have hit
* the end of the mbuf chain, so deduct from data_len.
* Otherwise advance the block number (i) and setup
* pos+space to reflect contents of the new mbuf.
*/
data_len -= AES_BLOCK_LEN;
i++;
pos = pos_next + space_next;
space = m->m_len - space_next;
} else {
int
ieee80211_recv_probereq(struct ieee80211_node *ni, wbuf_t wbuf, int subtype)
{
struct ieee80211com *ic = ni->ni_ic;
struct ieee80211vap *vap = ni->ni_vap;
struct ieee80211_frame *wh;
u_int8_t *frm, *efrm;
u_int8_t *ssid, *rates, *ven;
#if ATH_SUPPORT_AP_WDS_COMBO
if (vap->iv_opmode == IEEE80211_M_STA || !ieee80211_vap_ready_is_set(vap) || vap->iv_no_beacon) {
#else
if (vap->iv_opmode == IEEE80211_M_STA || !ieee80211_vap_ready_is_set(vap)) {
#endif
vap->iv_stats.is_rx_mgtdiscard++; /* XXX stat */
return -EINVAL;
}
wh = (struct ieee80211_frame *) wbuf_header(wbuf);
frm = (u_int8_t *)&wh[1];
efrm = wbuf_header(wbuf) + wbuf_get_pktlen(wbuf);
/*zhaoyang1 add start for probe request REQUIREMENTS-340*/
if (vap->iv_probe_request) {
switch (vap->iv_probe_request) {
case IEEE80211_BROADCAST_PROBE:
if (IEEE80211_IS_BROADCAST(wh->i_addr1)) {
vap->iv_stats.is_rx_mgtdiscard++; /* XXX stat */
return -EINVAL;
}
break;
case IEEE80211_ALL_PROBE:
vap->iv_stats.is_rx_mgtdiscard++; /* XXX stat */
return -EINVAL;
default:
printk("Probe_req value is wrong, iv_probe_request = %d\n", vap->iv_probe_request);
break;
}
}
/*zhaoyang1 add end*/
if (IEEE80211_IS_MULTICAST(wh->i_addr2)) {
/* frame must be directed */
vap->iv_stats.is_rx_mgtdiscard++; /* XXX stat */
return -EINVAL;
}
/*
* prreq frame format
* [tlv] ssid
* [tlv] supported rates
* [tlv] extended supported rates
* [tlv] Atheros Advanced Capabilities
*/
ssid = rates = NULL;
while (((frm+1) < efrm) && (frm + frm[1] + 1 < efrm)) {
switch (*frm) {
case IEEE80211_ELEMID_SSID:
ssid = frm;
break;
case IEEE80211_ELEMID_RATES:
rates = frm;
break;
case IEEE80211_ELEMID_VENDOR:
if (vap->iv_venie && vap->iv_venie->ven_oui_set) {
ven = frm;
if (ven[2] == vap->iv_venie->ven_oui[0] &&
ven[3] == vap->iv_venie->ven_oui[1] &&
ven[4] == vap->iv_venie->ven_oui[2]) {
vap->iv_venie->ven_ie_len = MIN(ven[1] + 2, IEEE80211_MAX_IE_LEN);
OS_MEMCPY(vap->iv_venie->ven_ie, ven, vap->iv_venie->ven_ie_len);
}
}
break;
}
frm += frm[1] + 2;
}
if (frm > efrm) {
return -EINVAL;
}
IEEE80211_VERIFY_ELEMENT(rates, IEEE80211_RATE_MAXSIZE);
IEEE80211_VERIFY_ELEMENT(ssid, IEEE80211_NWID_LEN);
IEEE80211_VERIFY_SSID(vap->iv_bss, ssid);
if (IEEE80211_VAP_IS_HIDESSID_ENABLED(vap) && (ssid[1] == 0)) {
IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
wh, ieee80211_mgt_subtype_name[
subtype >> IEEE80211_FC0_SUBTYPE_SHIFT],
"%s", "no ssid with ssid suppression enabled");
vap->iv_stats.is_rx_ssidmismatch++; /*XXX*/
return -EINVAL;
}
/*
* Skip Probe Requests received while the scan algorithm is setting a new
* channel, or while in a foreign channel.
* Trying to transmit a frame (Probe Response) during a channel change
* (which includes a channel reset) can cause a NMI due to invalid HW
* addresses.
* Trying to transmit the Probe Response while in a foreign channel
* wouldn't do us any good either.
*/
if (ieee80211_scan_can_transmit(ic->ic_scanner))
ieee80211_send_proberesp(ni, wh->i_addr2, NULL,0);
return 0;
}
int
ieee80211_recv_asreq(struct ieee80211_node *ni, wbuf_t wbuf, int subtype)
{
struct ieee80211com *ic = ni->ni_ic;
struct ieee80211vap *vap = ni->ni_vap;
struct ieee80211_frame *wh;
u_int8_t *frm, *efrm;
u_int16_t capinfo, bintval;
struct ieee80211_rsnparms rsn;
u_int8_t reason;
int reassoc, resp;
u_int8_t *ssid, *rates, *xrates, *wpa, *wme, *ath, *htcap,*vendor_ie, *wps;
u_int8_t *athextcap;
if (vap->iv_opmode != IEEE80211_M_HOSTAP && vap->iv_opmode != IEEE80211_M_BTAMP) {
vap->iv_stats.is_rx_mgtdiscard++;
return -EINVAL;
}
wh = (struct ieee80211_frame *) wbuf_header(wbuf);
frm = (u_int8_t *)&wh[1];
efrm = wbuf_header(wbuf) + wbuf_get_pktlen(wbuf);
if (subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) {
reassoc = 1;
resp = IEEE80211_FC0_SUBTYPE_REASSOC_RESP;
/*zhaoyang1 transplant from 717*/
/*pengruofeng add start for management frame stats 2011-5-9*/
vap->iv_stats.is_rx_reassoc++;
/*pengruofeng add end 2011-5-9*/
/*zhaoyang1 transplant end*/
} else {
reassoc = 0;
resp = IEEE80211_FC0_SUBTYPE_ASSOC_RESP;
}
/*
* asreq frame format
* [2] capability information
* [2] listen interval
* [6*] current AP address (reassoc only)
* [tlv] ssid
* [tlv] supported rates
* [tlv] extended supported rates
* [tlv] WPA or RSN
* [tlv] WME
* [tlv] HT Capabilities
* [tlv] Atheros capabilities
*/
IEEE80211_VERIFY_LENGTH(efrm - frm, (reassoc ? 10 : 4));
if (!IEEE80211_ADDR_EQ(wh->i_addr3, vap->iv_bss->ni_bssid)) {
IEEE80211_DISCARD(vap, IEEE80211_MSG_ANY,
wh, ieee80211_mgt_subtype_name[subtype >>
IEEE80211_FC0_SUBTYPE_SHIFT],
"%s\n", "wrong bssid");
/*zhaoyang1 transplant from 717*/
/*pengruofeng add start for management frame stats 2011-5-9*/
if (reassoc) {
vap->iv_stats.is_rx_reassoc_bss++;
} else {
vap->iv_stats.is_rx_assoc_bss++;
}
/*pengruofeng add end 2011-5-9*/
/*zhaoyang1 transplant end*/
return -EINVAL;
}
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;
}
/*
* pause traffic of a vap from a specified queue.
* if vap is null all the traffic will be paused.
*/
static void ath_tx_vap_pause_txq(struct ath_softc *sc, struct ath_txq *txq, struct ath_vap *avp)
{
struct ath_buf *bf, *lastbf;
ath_bufhead bf_head, bf_stage;
struct ath_node *an,*an_uapsd_head;
ath_bufhead vap_mcast_stage_q[ATH_VAPSIZE]; /* temprorary per vap staging queue for cabq traffic */
struct ath_vap *mcast_vap_q[ATH_VAPSIZE];
u_int32_t i;
struct ieee80211_frame *wh;
if (txq == sc->sc_cabq) {
for (i=0;i<ATH_VAPSIZE;++i) {
TAILQ_INIT(&vap_mcast_stage_q[i]);
mcast_vap_q[i] = NULL;
}
}
an_uapsd_head=NULL;
TAILQ_INIT(&bf_stage);
/*
* NB: this assumes output has been stopped and
* we do not need to block ath_tx_tasklet
*/
for (;;) {
ATH_TXQ_LOCK(txq);
if (sc->sc_enhanceddmasupport) {
bf = TAILQ_FIRST(&txq->axq_fifo[txq->axq_tailindex]);
if (bf == NULL) {
if (txq->axq_headindex != txq->axq_tailindex)
printk("ath_tx_draintxq: ERR head %d tail %d\n",
txq->axq_headindex, txq->axq_tailindex);
txq->axq_headindex = 0;
txq->axq_tailindex = 0;
ATH_TXQ_UNLOCK(txq);
break;
}
} else {
bf = TAILQ_FIRST(&txq->axq_q);
if (bf == NULL) {
txq->axq_link = NULL;
txq->axq_linkbuf = NULL;
ATH_TXQ_UNLOCK(txq);
break;
}
if (bf->bf_status & ATH_BUFSTATUS_STALE) {
ATH_TXQ_REMOVE_STALE_HEAD(txq, bf, bf_list);
ATH_TXQ_UNLOCK(txq);
#ifdef ATH_SUPPORT_UAPSD
if (bf->bf_qosnulleosp) {
ath_tx_uapsdqnulbf_complete(sc, bf, false);
} else
#endif
{
ATH_TXBUF_LOCK(sc);
sc->sc_txbuf_free++;
#if ATH_TX_BUF_FLOW_CNTL
if(bf) {
txq->axq_num_buf_used--;
}
#endif
TAILQ_INSERT_TAIL(&sc->sc_txbuf, bf, bf_list);
#if TRACE_TX_LEAK
TAILQ_REMOVE(&sc->sc_tx_trace_head,bf,bf_tx_trace_list);
#endif //TRACE_TX_LEAK
ATH_TXBUF_UNLOCK(sc);
#if ATH_SUPPORT_FLOWMAC_MODULE
if (sc->sc_osnetif_flowcntrl) {
ath_netif_wake_queue(sc);
}
#endif
}
continue;
}
}
lastbf = bf->bf_lastbf;
TAILQ_INIT(&bf_head);
/* remove ath_buf's of the same mpdu from txq */
if (sc->sc_enhanceddmasupport) {
if (txq == sc->sc_cabq || txq == sc->sc_uapsdq) {
ATH_EDMA_MCASTQ_MOVE_HEAD_UNTIL(txq, &bf_head, lastbf, bf_list);
} else {
ATH_EDMA_TXQ_MOVE_HEAD_UNTIL(txq, &bf_head, lastbf, bf_list);
}
} else {
ATH_TXQ_MOVE_HEAD_UNTIL(txq, &bf_head, lastbf, bf_list);
}
txq->axq_totalqueued --;
if (bf->bf_isaggr) {
txq->axq_aggr_depth--;
}
#if ATH_SUPPORT_CFEND
if (txq == sc->sc_cfendq) {
/* process CF End packet */
if (bf->bf_state.bfs_iscfend) {
ath_tx_cfend_complete (sc, bf, &bf_head);
ATH_TXQ_UNLOCK(txq);
continue; /* process rest of the buffers */
}
}
#endif
ATH_TXQ_UNLOCK(txq);
#ifdef AR_DEBUG
if (!sc->sc_enhanceddmasupport && CHK_SC_DEBUG(sc, ATH_DEBUG_RESET))
/* Legacy only as the enhanced DMA txprocdesc()
* will move the tx status ring tail pointer.
*/
ath_printtxbuf(bf, ath_hal_txprocdesc(sc->sc_ah, bf->bf_desc) == HAL_OK);
#endif /* AR_DEBUG */
an = bf->bf_node;
/*
* if the node belongs to the vap being paused (or) if the request
* is to pause all vaps (avp is NULL)
* then put it back in to the nodes queue.
*/
if (!avp || (avp && an->an_avp == avp) ) {
#ifdef ATH_SUPPORT_UAPSD
if (txq == sc->sc_uapsdq) {
/*
* if the node is not on the UAPSD node list then put it on the list.
* alwasys put it on the head of the list.
*/
if (!an->an_temp_next && (an != an_uapsd_head)) {
if(an_uapsd_head){
an->an_temp_next = an_uapsd_head;
}
an_uapsd_head = an;
}
if (TAILQ_FIRST(&bf_head) == NULL ) {
DPRINTF(sc, ATH_DEBUG_ANY,"#####%s : %d bf_head is empty \n",__func__, __LINE__);
} else {
ath_tx_stage_queue_uapsd(sc,an, &bf_head);
}
continue;
}
#endif
if (txq == sc->sc_cabq) {
ath_bufhead *mcast_stage_q = NULL;
/*
* get the mcast staging queue for this vap and
* add the frame to the mcast staging queue.
*/
for (i=0;i<ATH_VAPSIZE;++i) {
if (mcast_vap_q[i] == avp) {
mcast_stage_q = &vap_mcast_stage_q[i];
} else if (mcast_vap_q[i] == NULL) {
mcast_stage_q = &vap_mcast_stage_q[i];
mcast_vap_q[i] = avp;
}
if (mcast_stage_q ) {
break;
}
}
if (mcast_stage_q == NULL) {
DPRINTF(sc, ATH_DEBUG_ANY, "%s: mcat_stage_q is NULL \n", __func__);
continue;
}
TAILQ_CONCAT(mcast_stage_q, &bf_head, bf_list);
continue;
}
if (bf->bf_isampdu) {
if (!bf->bf_isaggr) {
__11nstats(sc,tx_unaggr_comperror);
}
ath_tx_mark_aggr_rifs_done(sc, txq, bf, &bf_head,
&((struct ath_desc *)(lastbf->bf_desc))->ds_txstat, 0);
} else {
#ifdef ATH_SWRETRY
if (sc->sc_enhanceddmasupport) {
/*
* Decrement of swr_num_eligible_frms for AMPDU is done
* above in ath_tx-complete_aggr_rifs.
*/
if (!bf->bf_isampdu && bf->bf_isdata) {
struct ath_node *an = bf->bf_node;
if (an) {
struct ath_swretry_info *pInfo = &an->an_swretry_info[txq->axq_qnum];
ATH_NODE_SWRETRY_TXBUF_LOCK(an);
ASSERT(pInfo->swr_num_eligible_frms);
pInfo->swr_num_eligible_frms --;
ATH_NODE_SWRETRY_TXBUF_UNLOCK(an);
}
}
}
#endif
if (bf->bf_isbar) {
DPRINTF(sc, ATH_DEBUG_RESET, "*****%s: BAR frame \n", __func__);
#ifdef ATH_SUPPORT_TxBF
ath_tx_complete_buf(sc, bf, &bf_head, 0, 0, 0);
#else
ath_tx_complete_buf(sc, bf, &bf_head, 0);
#endif
} else {
/*
* Non Aggregates, put them at the head of the tid queue (if node is still avail,)
*/
atomic_inc(&an->an_active_tx_cnt);
/* Make sure that Node is still alive and not temporary node */
if ((an->an_flags & (ATH_NODE_TEMP | ATH_NODE_CLEAN)) == 0) {
struct ath_atx_tid *tid = ATH_AN_2_TID(an, bf->bf_tidno);
TAILQ_INSERTQ_HEAD(&tid->buf_q, &bf_head, bf_list);
atomic_dec(&an->an_active_tx_cnt);
}
else {
if ((an->an_flags & ATH_NODE_TEMP) != 0) {
DPRINTF(sc, ATH_DEBUG_ANY, "%s: an=0x%p is Temp-node.\n", __func__, an);
}
if ((an->an_flags & ATH_NODE_CLEAN) != 0) {
DPRINTF(sc, ATH_DEBUG_ANY, "%s: an=0x%p is already CLEAN.\n", __func__, an);
}
atomic_dec(&an->an_active_tx_cnt);
// Free these buffers.
#ifdef ATH_SUPPORT_TxBF
ath_tx_complete_buf(sc, bf, &bf_head, 0, 0, 0);
#else
ath_tx_complete_buf(sc, bf, &bf_head, 0);
#endif
}
}
}
} else {
/*
* if the frame does not need to be paused
* then put it on to a staging queue.
*/
TAILQ_CONCAT(&bf_stage, &bf_head, bf_list);
}
}
#ifdef ATH_SUPPORT_UAPSD
while(an_uapsd_head) {
an=an_uapsd_head;
an_uapsd_head = an->an_temp_next;
an->an_temp_next=NULL;
ath_tx_prepend_uapsd_stage_queue(sc,an);
}
#endif
/* prepend the staging queue back to vap mcast queue */
if (txq == sc->sc_cabq) {
ath_bufhead *mcast_stage_q = NULL;
for (i=0;i<ATH_VAPSIZE;++i) {
mcast_stage_q = &vap_mcast_stage_q[i];
/*
* prepend only if the mcast staging queue is not empty
*/
if (TAILQ_FIRST(mcast_stage_q)) {
/*
* need to prepend the frames from staging queue to the vap mcast queue.
* do it in 2 steps.
* move the frames from the vap mcast queue to the
* end of the staging queue and move all the frames from staging queue
* to the vaps mcast queue.
*/
TAILQ_CONCAT(mcast_stage_q, &mcast_vap_q[i]->av_mcastq.axq_q, bf_list);
mcast_vap_q[i]->av_mcastq.axq_depth=0;
mcast_vap_q[i]->av_mcastq.axq_totalqueued = 0;
mcast_vap_q[i]->av_mcastq.axq_linkbuf = 0;
mcast_vap_q[i]->av_mcastq.axq_link = NULL;
bf = TAILQ_FIRST(mcast_stage_q);
while (bf) {
/*
* Remove a single ath_buf from the staging queue and add it to
* the mcast queue.
*/
lastbf = bf->bf_lastbf;
wh = (struct ieee80211_frame *)wbuf_header(bf->bf_mpdu);
DPRINTF(sc, ATH_DEBUG_ANY, "%s: queue mcast frame back seq # %d \n", __func__,
le16toh(*(u_int16_t *)wh->i_seq) >> IEEE80211_SEQ_SEQ_SHIFT);
TAILQ_REMOVE_HEAD_UNTIL(mcast_stage_q, &bf_head, lastbf, bf_list);
if (ath_tx_mcastqaddbuf(sc, mcast_vap_q[i], &bf_head) != EOK) {
/* failed to queue the buf, complete it with an error */
#ifdef ATH_SUPPORT_TxBF
ath_tx_complete_buf(sc,bf,&bf_head,0,0, 0);
#else
ath_tx_complete_buf(sc,bf,&bf_head,0);
#endif
}
bf = TAILQ_FIRST(mcast_stage_q);
}
}
}
}
/*
* 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);
}
