forked from Minki/linux
ath9k: Revamp VAP management
Remove the internal VAP management routines and embed ath_vap in mac80211's driver private area provided in ieee80211_vif. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith
John W. Linville
parent
a37c2c7940
commit
5640b08ef7
@ -152,12 +152,14 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, int if_id)
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struct ath_vap *avp;
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struct sk_buff *skb;
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struct ath_txq *cabq;
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struct ieee80211_vif *vif;
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struct ieee80211_tx_info *info;
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int cabq_depth;
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avp = sc->sc_vaps[if_id];
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ASSERT(avp);
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vif = sc->sc_vaps[if_id];
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ASSERT(vif);
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avp = (void *)vif->drv_priv;
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cabq = sc->sc_cabq;
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if (avp->av_bcbuf == NULL) {
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@ -174,7 +176,7 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, int if_id)
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PCI_DMA_TODEVICE);
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}
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skb = ieee80211_beacon_get(sc->hw, avp->av_if_data);
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skb = ieee80211_beacon_get(sc->hw, vif);
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bf->bf_mpdu = skb;
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if (skb == NULL)
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return NULL;
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@ -196,7 +198,7 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, int if_id)
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skb_end_pointer(skb) - skb->head,
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PCI_DMA_TODEVICE);
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skb = ieee80211_get_buffered_bc(sc->hw, avp->av_if_data);
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skb = ieee80211_get_buffered_bc(sc->hw, vif);
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/*
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* if the CABQ traffic from previous DTIM is pending and the current
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@ -232,7 +234,7 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, int if_id)
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*/
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while (skb) {
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ath_tx_cabq(sc, skb);
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skb = ieee80211_get_buffered_bc(sc->hw, avp->av_if_data);
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skb = ieee80211_get_buffered_bc(sc->hw, vif);
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}
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return bf;
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@ -244,13 +246,16 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, int if_id)
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*/
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static void ath_beacon_start_adhoc(struct ath_softc *sc, int if_id)
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{
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struct ieee80211_vif *vif;
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struct ath_hal *ah = sc->sc_ah;
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struct ath_buf *bf;
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struct ath_vap *avp;
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struct sk_buff *skb;
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avp = sc->sc_vaps[if_id];
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ASSERT(avp);
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vif = sc->sc_vaps[if_id];
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ASSERT(vif);
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avp = (void *)vif->drv_priv;
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if (avp->av_bcbuf == NULL) {
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DPRINTF(sc, ATH_DBG_BEACON, "%s: avp=%p av_bcbuf=%p\n",
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@ -300,14 +305,17 @@ int ath_beaconq_setup(struct ath_hal *ah)
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*/
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int ath_beacon_alloc(struct ath_softc *sc, int if_id)
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{
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struct ieee80211_vif *vif;
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struct ath_vap *avp;
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struct ieee80211_hdr *hdr;
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struct ath_buf *bf;
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struct sk_buff *skb;
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__le64 tstamp;
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avp = sc->sc_vaps[if_id];
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ASSERT(avp);
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vif = sc->sc_vaps[if_id];
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ASSERT(vif);
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avp = (void *)vif->drv_priv;
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/* Allocate a beacon descriptor if we haven't done so. */
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if (!avp->av_bcbuf) {
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@ -363,7 +371,7 @@ int ath_beacon_alloc(struct ath_softc *sc, int if_id)
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* FIXME: Fill avp->av_btxctl.txpower and
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* avp->av_btxctl.shortPreamble
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*/
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skb = ieee80211_beacon_get(sc->hw, avp->av_if_data);
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skb = ieee80211_beacon_get(sc->hw, vif);
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if (skb == NULL) {
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DPRINTF(sc, ATH_DBG_BEACON, "%s: cannot get skb\n",
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__func__);
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@ -652,15 +660,21 @@ void ath_bstuck_process(struct ath_softc *sc)
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*/
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void ath_beacon_config(struct ath_softc *sc, int if_id)
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{
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struct ieee80211_vif *vif;
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struct ath_hal *ah = sc->sc_ah;
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struct ath_beacon_config conf;
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struct ath_vap *avp;
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enum ath9k_opmode av_opmode;
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u32 nexttbtt, intval;
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if (if_id != ATH_IF_ID_ANY)
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av_opmode = sc->sc_vaps[if_id]->av_opmode;
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else
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if (if_id != ATH_IF_ID_ANY) {
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vif = sc->sc_vaps[if_id];
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ASSERT(vif);
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avp = (void *)vif->drv_priv;
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av_opmode = avp->av_opmode;
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} else {
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av_opmode = sc->sc_ah->ah_opmode;
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}
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memset(&conf, 0, sizeof(struct ath_beacon_config));
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@ -14,8 +14,6 @@
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* Implementation of the main "ATH" layer. */
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#include "core.h"
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#include "regd.h"
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@ -641,114 +639,6 @@ static void ath_ani_calibrate(unsigned long data)
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mod_timer(&sc->sc_ani.timer, jiffies + msecs_to_jiffies(cal_interval));
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}
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/******************/
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/* VAP management */
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/******************/
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int ath_vap_attach(struct ath_softc *sc,
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int if_id,
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struct ieee80211_vif *if_data,
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enum ath9k_opmode opmode)
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{
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struct ath_vap *avp;
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if (if_id >= ATH_BCBUF || sc->sc_vaps[if_id] != NULL) {
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DPRINTF(sc, ATH_DBG_FATAL,
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"%s: Invalid interface id = %u\n", __func__, if_id);
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return -EINVAL;
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}
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switch (opmode) {
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case ATH9K_M_STA:
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case ATH9K_M_IBSS:
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case ATH9K_M_MONITOR:
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break;
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case ATH9K_M_HOSTAP:
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/* XXX not right, beacon buffer is allocated on RUN trans */
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if (list_empty(&sc->sc_bbuf))
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return -ENOMEM;
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break;
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default:
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return -EINVAL;
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}
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/* create ath_vap */
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avp = kmalloc(sizeof(struct ath_vap), GFP_KERNEL);
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if (avp == NULL)
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return -ENOMEM;
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memset(avp, 0, sizeof(struct ath_vap));
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avp->av_if_data = if_data;
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/* Set the VAP opmode */
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avp->av_opmode = opmode;
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avp->av_bslot = -1;
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if (opmode == ATH9K_M_HOSTAP)
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ath9k_hw_set_tsfadjust(sc->sc_ah, 1);
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sc->sc_vaps[if_id] = avp;
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sc->sc_nvaps++;
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/* Set the device opmode */
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sc->sc_ah->ah_opmode = opmode;
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/* default VAP configuration */
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avp->av_config.av_fixed_rateset = IEEE80211_FIXED_RATE_NONE;
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avp->av_config.av_fixed_retryset = 0x03030303;
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return 0;
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}
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int ath_vap_detach(struct ath_softc *sc, int if_id)
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{
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struct ath_hal *ah = sc->sc_ah;
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struct ath_vap *avp;
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avp = sc->sc_vaps[if_id];
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if (avp == NULL) {
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DPRINTF(sc, ATH_DBG_FATAL, "%s: invalid interface id %u\n",
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__func__, if_id);
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return -EINVAL;
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}
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/*
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* Quiesce the hardware while we remove the vap. In
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* particular we need to reclaim all references to the
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* vap state by any frames pending on the tx queues.
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*
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* XXX can we do this w/o affecting other vap's?
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*/
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ath9k_hw_set_interrupts(ah, 0); /* disable interrupts */
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ath_draintxq(sc, false); /* stop xmit side */
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ath_stoprecv(sc); /* stop recv side */
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ath_flushrecv(sc); /* flush recv queue */
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kfree(avp);
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sc->sc_vaps[if_id] = NULL;
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sc->sc_nvaps--;
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return 0;
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}
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int ath_vap_config(struct ath_softc *sc,
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int if_id, struct ath_vap_config *if_config)
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{
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struct ath_vap *avp;
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if (if_id >= ATH_BCBUF) {
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DPRINTF(sc, ATH_DBG_FATAL,
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"%s: Invalid interface id = %u\n", __func__, if_id);
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return -EINVAL;
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}
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avp = sc->sc_vaps[if_id];
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ASSERT(avp != NULL);
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if (avp)
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memcpy(&avp->av_config, if_config, sizeof(avp->av_config));
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return 0;
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}
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/********/
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/* Core */
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/********/
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@ -1356,14 +1246,10 @@ void ath_deinit(struct ath_softc *sc)
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/* Node Management */
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/*******************/
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void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta, int if_id)
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void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta)
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{
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struct ath_vap *avp;
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struct ath_node *an;
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avp = sc->sc_vaps[if_id];
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ASSERT(avp != NULL);
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an = (struct ath_node *)sta->drv_priv;
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if (sc->sc_flags & SC_OP_TXAGGR)
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@ -635,8 +635,7 @@ int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
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int ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
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void ath_newassoc(struct ath_softc *sc,
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struct ath_node *node, int isnew, int isuapsd);
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void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta,
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int if_id);
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void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta);
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void ath_node_detach(struct ath_softc *sc, struct ieee80211_sta *sta);
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/*******************/
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@ -701,23 +700,14 @@ struct ath_vap_config {
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/* driver-specific vap state */
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struct ath_vap {
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struct ieee80211_vif *av_if_data;
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int av_bslot; /* beacon slot index */
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enum ath9k_opmode av_opmode; /* VAP operational mode */
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struct ath_buf *av_bcbuf; /* beacon buffer */
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struct ath_tx_control av_btxctl; /* txctl information for beacon */
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int av_bslot; /* beacon slot index */
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struct ath_vap_config av_config;/* vap configuration parameters*/
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struct ath_rate_node *rc_node;
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};
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int ath_vap_attach(struct ath_softc *sc,
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int if_id,
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struct ieee80211_vif *if_data,
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enum ath9k_opmode opmode);
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int ath_vap_detach(struct ath_softc *sc, int if_id);
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int ath_vap_config(struct ath_softc *sc,
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int if_id, struct ath_vap_config *if_config);
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/*********************/
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/* Antenna diversity */
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/*********************/
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@ -925,7 +915,7 @@ struct ath_softc {
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u8 sc_nbcnvaps; /* # of vaps sending beacons */
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u16 sc_nvaps; /* # of active virtual ap's */
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struct ath_vap *sc_vaps[ATH_BCBUF];
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struct ieee80211_vif *sc_vaps[ATH_BCBUF];
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u8 sc_mcastantenna;
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u8 sc_defant; /* current default antenna */
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@ -162,7 +162,7 @@ static int ath_key_config(struct ath_softc *sc,
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if (!sc->sc_vaps[0])
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return -EIO;
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vif = sc->sc_vaps[0]->av_if_data;
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vif = sc->sc_vaps[0];
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opmode = vif->type;
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/*
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@ -313,11 +313,12 @@ static void ath9k_ht_conf(struct ath_softc *sc,
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}
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static void ath9k_bss_assoc_info(struct ath_softc *sc,
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struct ieee80211_vif *vif,
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struct ieee80211_bss_conf *bss_conf)
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{
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struct ieee80211_hw *hw = sc->hw;
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struct ieee80211_channel *curchan = hw->conf.channel;
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struct ath_vap *avp;
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struct ath_vap *avp = (void *)vif->drv_priv;
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int pos;
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if (bss_conf->assoc) {
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@ -325,13 +326,6 @@ static void ath9k_bss_assoc_info(struct ath_softc *sc,
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__func__,
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bss_conf->aid);
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avp = sc->sc_vaps[0];
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if (avp == NULL) {
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DPRINTF(sc, ATH_DBG_FATAL, "%s: Invalid interface\n",
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__func__);
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return;
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}
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/* New association, store aid */
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if (avp->av_opmode == ATH9K_M_STA) {
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sc->sc_curaid = bss_conf->aid;
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@ -906,6 +900,7 @@ static int ath_attach(u16 devid,
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hw->queues = 4;
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hw->sta_data_size = sizeof(struct ath_node);
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hw->vif_data_size = sizeof(struct ath_vap);
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/* Register rate control */
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hw->rate_control_algorithm = "ath9k_rate_control";
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@ -1091,7 +1086,8 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
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struct ieee80211_if_init_conf *conf)
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{
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struct ath_softc *sc = hw->priv;
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int error, ic_opmode = 0;
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struct ath_vap *avp = (void *)conf->vif->drv_priv;
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int ic_opmode = 0;
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/* Support only vap for now */
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@ -1119,13 +1115,22 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
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__func__,
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ic_opmode);
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error = ath_vap_attach(sc, 0, conf->vif, ic_opmode);
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if (error) {
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DPRINTF(sc, ATH_DBG_FATAL,
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"%s: Unable to attach vap, error: %d\n",
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__func__, error);
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return error;
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}
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/* Set the VAP opmode */
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avp->av_opmode = ic_opmode;
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avp->av_bslot = -1;
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if (ic_opmode == ATH9K_M_HOSTAP)
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ath9k_hw_set_tsfadjust(sc->sc_ah, 1);
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sc->sc_vaps[0] = conf->vif;
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sc->sc_nvaps++;
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/* Set the device opmode */
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sc->sc_ah->ah_opmode = ic_opmode;
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/* default VAP configuration */
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avp->av_config.av_fixed_rateset = IEEE80211_FIXED_RATE_NONE;
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avp->av_config.av_fixed_retryset = 0x03030303;
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if (conf->type == NL80211_IFTYPE_AP) {
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/* TODO: is this a suitable place to start ANI for AP mode? */
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@ -1141,27 +1146,16 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw,
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struct ieee80211_if_init_conf *conf)
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{
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struct ath_softc *sc = hw->priv;
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struct ath_vap *avp;
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int error;
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struct ath_vap *avp = (void *)conf->vif->drv_priv;
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DPRINTF(sc, ATH_DBG_CONFIG, "%s: Detach VAP\n", __func__);
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avp = sc->sc_vaps[0];
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if (avp == NULL) {
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DPRINTF(sc, ATH_DBG_FATAL, "%s: Invalid interface\n",
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__func__);
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return;
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}
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#ifdef CONFIG_SLOW_ANT_DIV
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ath_slow_ant_div_stop(&sc->sc_antdiv);
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#endif
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/* Stop ANI */
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del_timer_sync(&sc->sc_ani.timer);
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/* Update ratectrl */
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ath_rate_newstate(sc, avp);
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/* Reclaim beacon resources */
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if (sc->sc_ah->ah_opmode == ATH9K_M_HOSTAP ||
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sc->sc_ah->ah_opmode == ATH9K_M_IBSS) {
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@ -1169,16 +1163,10 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw,
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ath_beacon_return(sc, avp);
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}
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/* Set interrupt mask */
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sc->sc_imask &= ~(ATH9K_INT_SWBA | ATH9K_INT_BMISS);
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ath9k_hw_set_interrupts(sc->sc_ah, sc->sc_imask & ~ATH9K_INT_GLOBAL);
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sc->sc_flags &= ~SC_OP_BEACONS;
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error = ath_vap_detach(sc, 0);
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if (error)
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DPRINTF(sc, ATH_DBG_FATAL,
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"%s: Unable to detach vap, error: %d\n",
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__func__, error);
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sc->sc_vaps[0] = NULL;
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sc->sc_nvaps--;
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}
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|
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static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
|
||||
@ -1226,17 +1214,10 @@ static int ath9k_config_interface(struct ieee80211_hw *hw,
|
||||
{
|
||||
struct ath_softc *sc = hw->priv;
|
||||
struct ath_hal *ah = sc->sc_ah;
|
||||
struct ath_vap *avp;
|
||||
struct ath_vap *avp = (void *)vif->drv_priv;
|
||||
u32 rfilt = 0;
|
||||
int error, i;
|
||||
|
||||
avp = sc->sc_vaps[0];
|
||||
if (avp == NULL) {
|
||||
DPRINTF(sc, ATH_DBG_FATAL, "%s: Invalid interface\n",
|
||||
__func__);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/* TODO: Need to decide which hw opmode to use for multi-interface
|
||||
* cases */
|
||||
if (vif->type == NL80211_IFTYPE_AP &&
|
||||
@ -1317,7 +1298,7 @@ static int ath9k_config_interface(struct ieee80211_hw *hw,
|
||||
}
|
||||
|
||||
/* Check for WLAN_CAPABILITY_PRIVACY ? */
|
||||
if ((avp->av_opmode != NL80211_IFTYPE_STATION)) {
|
||||
if ((avp->av_opmode != ATH9K_M_STA)) {
|
||||
for (i = 0; i < IEEE80211_WEP_NKID; i++)
|
||||
if (ath9k_hw_keyisvalid(sc->sc_ah, (u16)i))
|
||||
ath9k_hw_keysetmac(sc->sc_ah,
|
||||
@ -1366,9 +1347,6 @@ static void ath9k_configure_filter(struct ieee80211_hw *hw,
|
||||
__func__, sc->rx_filter);
|
||||
}
|
||||
|
||||
/* Only a single interface is currently supported,
|
||||
so pass 0 as the interface id to ath_node_attach */
|
||||
|
||||
static void ath9k_sta_notify(struct ieee80211_hw *hw,
|
||||
struct ieee80211_vif *vif,
|
||||
enum sta_notify_cmd cmd,
|
||||
@ -1378,7 +1356,7 @@ static void ath9k_sta_notify(struct ieee80211_hw *hw,
|
||||
|
||||
switch (cmd) {
|
||||
case STA_NOTIFY_ADD:
|
||||
ath_node_attach(sc, sta, 0);
|
||||
ath_node_attach(sc, sta);
|
||||
break;
|
||||
case STA_NOTIFY_REMOVE:
|
||||
ath_node_detach(sc, sta);
|
||||
@ -1496,7 +1474,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
|
||||
DPRINTF(sc, ATH_DBG_CONFIG, "%s: BSS Changed ASSOC %d\n",
|
||||
__func__,
|
||||
bss_conf->assoc);
|
||||
ath9k_bss_assoc_info(sc, bss_conf);
|
||||
ath9k_bss_assoc_info(sc, vif, bss_conf);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@ -2042,12 +2042,18 @@ static void ath_rate_free(void *priv)
|
||||
|
||||
static void *ath_rate_alloc_sta(void *priv, struct ieee80211_sta *sta, gfp_t gfp)
|
||||
{
|
||||
struct ieee80211_vif *vif;
|
||||
struct ath_softc *sc = priv;
|
||||
struct ath_vap *avp = sc->sc_vaps[0];
|
||||
struct ath_vap *avp;
|
||||
struct ath_rate_node *rate_priv;
|
||||
|
||||
DPRINTF(sc, ATH_DBG_RATE, "%s\n", __func__);
|
||||
|
||||
vif = sc->sc_vaps[0];
|
||||
ASSERT(vif);
|
||||
|
||||
avp = (void *)vif->drv_priv;
|
||||
|
||||
rate_priv = ath_rate_node_alloc(avp, sc->sc_rc, gfp);
|
||||
if (!rate_priv) {
|
||||
DPRINTF(sc, ATH_DBG_FATAL,
|
||||
|
||||
Loading…
Reference in New Issue
Block a user