mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-17 22:28:12 +07:00
ath9k: Add support for multiple secondary virtual wiphys
The new struct ath_softc::sec_wiphy array is used to store information about virtual wiphys and select which wiphy is used in calls to mac80211. Each virtual wiphy will be assigned a different MAC address based on the virtual wiphy index. Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Jouni Malinen
John W. Linville
parent
bce048d77d
commit
c52f33d05e
@ -373,10 +373,10 @@ int ath_tx_cleanup(struct ath_softc *sc);
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struct ath_txq *ath_test_get_txq(struct ath_softc *sc, struct sk_buff *skb);
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int ath_txq_update(struct ath_softc *sc, int qnum,
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struct ath9k_tx_queue_info *q);
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int ath_tx_start(struct ath_softc *sc, struct sk_buff *skb,
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int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
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struct ath_tx_control *txctl);
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void ath_tx_tasklet(struct ath_softc *sc);
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void ath_tx_cabq(struct ath_softc *sc, struct sk_buff *skb);
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void ath_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb);
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bool ath_tx_aggr_check(struct ath_softc *sc, struct ath_node *an, u8 tidno);
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int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
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u16 tid, u16 *ssn);
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@ -429,6 +429,7 @@ struct ath_beacon {
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u32 ast_be_xmit;
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u64 bc_tstamp;
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struct ieee80211_vif *bslot[ATH_BCBUF];
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struct ath_wiphy *bslot_aphy[ATH_BCBUF];
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int slottime;
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int slotupdate;
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struct ath9k_tx_queue_info beacon_qi;
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@ -440,7 +441,7 @@ struct ath_beacon {
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void ath_beacon_tasklet(unsigned long data);
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void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif);
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int ath_beaconq_setup(struct ath_hw *ah);
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int ath_beacon_alloc(struct ath_softc *sc, struct ieee80211_vif *vif);
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int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif);
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void ath_beacon_return(struct ath_softc *sc, struct ath_vif *avp);
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/*******/
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@ -554,7 +555,12 @@ struct ath_wiphy;
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struct ath_softc {
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struct ieee80211_hw *hw;
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struct device *dev;
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spinlock_t wiphy_lock; /* spinlock to protect ath_wiphy data */
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struct ath_wiphy *pri_wiphy;
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struct ath_wiphy **sec_wiphy; /* secondary wiphys (virtual radios); may
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* have NULL entries */
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int num_sec_wiphy; /* number of sec_wiphy pointers in the array */
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struct tasklet_struct intr_tq;
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struct tasklet_struct bcon_tasklet;
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struct ath_hw *sc_ah;
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@ -638,6 +644,7 @@ int ath_attach(u16 devid, struct ath_softc *sc);
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void ath_detach(struct ath_softc *sc);
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const char *ath_mac_bb_name(u32 mac_bb_version);
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const char *ath_rf_name(u16 rf_version);
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void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw);
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#ifdef CONFIG_PCI
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int ath_pci_init(void);
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@ -675,5 +682,7 @@ static inline void ath9k_ps_restore(struct ath_softc *sc)
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void ath9k_set_bssid_mask(struct ieee80211_hw *hw);
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int ath9k_wiphy_add(struct ath_softc *sc);
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int ath9k_wiphy_del(struct ath_wiphy *aphy);
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#endif /* ATH9K_H */
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@ -113,9 +113,11 @@ static void ath_beacon_setup(struct ath_softc *sc, struct ath_vif *avp,
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series, 4, 0);
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}
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static struct ath_buf *ath_beacon_generate(struct ath_softc *sc,
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static struct ath_buf *ath_beacon_generate(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif)
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{
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struct ath_wiphy *aphy = hw->priv;
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struct ath_softc *sc = aphy->sc;
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struct ath_buf *bf;
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struct ath_vif *avp;
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struct sk_buff *skb;
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@ -144,7 +146,7 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc,
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/* Get a new beacon from mac80211 */
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skb = ieee80211_beacon_get(sc->hw, vif);
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skb = ieee80211_beacon_get(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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@ -171,7 +173,7 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc,
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return NULL;
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}
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skb = ieee80211_get_buffered_bc(sc->hw, vif);
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skb = ieee80211_get_buffered_bc(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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@ -196,8 +198,8 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc,
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ath_beacon_setup(sc, avp, bf);
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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, vif);
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ath_tx_cabq(hw, skb);
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skb = ieee80211_get_buffered_bc(hw, vif);
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}
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return bf;
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@ -244,8 +246,9 @@ int ath_beaconq_setup(struct ath_hw *ah)
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return ath9k_hw_setuptxqueue(ah, ATH9K_TX_QUEUE_BEACON, &qi);
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}
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int ath_beacon_alloc(struct ath_softc *sc, struct ieee80211_vif *vif)
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int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif)
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{
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struct ath_softc *sc = aphy->sc;
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struct ath_vif *avp;
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struct ieee80211_hdr *hdr;
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struct ath_buf *bf;
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@ -286,6 +289,7 @@ int ath_beacon_alloc(struct ath_softc *sc, struct ieee80211_vif *vif)
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}
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BUG_ON(sc->beacon.bslot[avp->av_bslot] != NULL);
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sc->beacon.bslot[avp->av_bslot] = vif;
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sc->beacon.bslot_aphy[avp->av_bslot] = aphy;
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sc->nbcnvifs++;
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}
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}
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@ -368,6 +372,7 @@ void ath_beacon_return(struct ath_softc *sc, struct ath_vif *avp)
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if (avp->av_bslot != -1) {
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sc->beacon.bslot[avp->av_bslot] = NULL;
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sc->beacon.bslot_aphy[avp->av_bslot] = NULL;
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sc->nbcnvifs--;
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}
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@ -391,6 +396,7 @@ void ath_beacon_tasklet(unsigned long data)
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struct ath_hw *ah = sc->sc_ah;
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struct ath_buf *bf = NULL;
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struct ieee80211_vif *vif;
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struct ath_wiphy *aphy;
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int slot;
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u32 bfaddr, bc = 0, tsftu;
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u64 tsf;
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@ -439,6 +445,7 @@ void ath_beacon_tasklet(unsigned long data)
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tsftu = TSF_TO_TU(tsf>>32, tsf);
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slot = ((tsftu % intval) * ATH_BCBUF) / intval;
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vif = sc->beacon.bslot[(slot + 1) % ATH_BCBUF];
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aphy = sc->beacon.bslot_aphy[(slot + 1) % ATH_BCBUF];
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DPRINTF(sc, ATH_DBG_BEACON,
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"slot %d [tsf %llu tsftu %u intval %u] vif %p\n",
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@ -446,7 +453,7 @@ void ath_beacon_tasklet(unsigned long data)
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bfaddr = 0;
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if (vif) {
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bf = ath_beacon_generate(sc, vif);
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bf = ath_beacon_generate(aphy->hw, vif);
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if (bf != NULL) {
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bfaddr = bf->bf_daddr;
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bc = 1;
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@ -1307,6 +1307,7 @@ void ath_cleanup(struct ath_softc *sc)
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ath_detach(sc);
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free_irq(sc->irq, sc);
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ath_bus_cleanup(sc);
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kfree(sc->sec_wiphy);
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ieee80211_free_hw(sc->hw);
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}
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@ -1324,6 +1325,14 @@ void ath_detach(struct ath_softc *sc)
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#endif
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ath_deinit_leds(sc);
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for (i = 0; i < sc->num_sec_wiphy; i++) {
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struct ath_wiphy *aphy = sc->sec_wiphy[i];
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if (aphy == NULL)
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continue;
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sc->sec_wiphy[i] = NULL;
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ieee80211_unregister_hw(aphy->hw);
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ieee80211_free_hw(aphy->hw);
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}
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ieee80211_unregister_hw(hw);
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ath_rx_cleanup(sc);
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ath_tx_cleanup(sc);
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@ -1357,6 +1366,7 @@ static int ath_init(u16 devid, struct ath_softc *sc)
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if (ath9k_init_debug(sc) < 0)
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printk(KERN_ERR "Unable to create debugfs files\n");
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spin_lock_init(&sc->wiphy_lock);
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spin_lock_init(&sc->sc_resetlock);
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mutex_init(&sc->mutex);
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tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc);
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@ -1520,8 +1530,10 @@ static int ath_init(u16 devid, struct ath_softc *sc)
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sc->beacon.slottime = ATH9K_SLOT_TIME_9; /* default to short slot time */
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/* initialize beacon slots */
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for (i = 0; i < ARRAY_SIZE(sc->beacon.bslot); i++)
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for (i = 0; i < ARRAY_SIZE(sc->beacon.bslot); i++) {
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sc->beacon.bslot[i] = NULL;
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sc->beacon.bslot_aphy[i] = NULL;
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}
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/* save MISC configurations */
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sc->config.swBeaconProcess = 1;
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@ -1561,22 +1573,8 @@ static int ath_init(u16 devid, struct ath_softc *sc)
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return error;
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}
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int ath_attach(u16 devid, struct ath_softc *sc)
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void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
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{
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struct ieee80211_hw *hw = sc->hw;
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const struct ieee80211_regdomain *regd;
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int error = 0, i;
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DPRINTF(sc, ATH_DBG_CONFIG, "Attach ATH hw\n");
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error = ath_init(devid, sc);
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if (error != 0)
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return error;
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/* get mac address from hardware and set in mac80211 */
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SET_IEEE80211_PERM_ADDR(hw, sc->sc_ah->macaddr);
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hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
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IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
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IEEE80211_HW_SIGNAL_DBM |
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@ -1604,17 +1602,37 @@ int ath_attach(u16 devid, struct ath_softc *sc)
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hw->rate_control_algorithm = "ath9k_rate_control";
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hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
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&sc->sbands[IEEE80211_BAND_2GHZ];
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if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes))
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hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
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&sc->sbands[IEEE80211_BAND_5GHZ];
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}
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int ath_attach(u16 devid, struct ath_softc *sc)
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{
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struct ieee80211_hw *hw = sc->hw;
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const struct ieee80211_regdomain *regd;
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int error = 0, i;
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DPRINTF(sc, ATH_DBG_CONFIG, "Attach ATH hw\n");
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error = ath_init(devid, sc);
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if (error != 0)
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return error;
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/* get mac address from hardware and set in mac80211 */
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SET_IEEE80211_PERM_ADDR(hw, sc->sc_ah->macaddr);
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ath_set_hw_capab(sc, hw);
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if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
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setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_2GHZ].ht_cap);
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if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes))
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setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_5GHZ].ht_cap);
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}
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hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &sc->sbands[IEEE80211_BAND_2GHZ];
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if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes))
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hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
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&sc->sbands[IEEE80211_BAND_5GHZ];
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/* initialize tx/rx engine */
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error = ath_tx_init(sc, ATH_TXBUF);
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if (error != 0)
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@ -2067,7 +2085,7 @@ static int ath9k_tx(struct ieee80211_hw *hw,
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DPRINTF(sc, ATH_DBG_XMIT, "transmitting packet, skb: %p\n", skb);
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if (ath_tx_start(sc, skb, &txctl) != 0) {
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if (ath_tx_start(hw, skb, &txctl) != 0) {
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DPRINTF(sc, ATH_DBG_XMIT, "TX failed\n");
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goto exit;
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}
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@ -2247,6 +2265,7 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw,
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printk(KERN_DEBUG "%s: vif had allocated beacon "
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"slot\n", __func__);
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sc->beacon.bslot[i] = NULL;
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sc->beacon.bslot_aphy[i] = NULL;
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}
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}
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@ -2388,7 +2407,7 @@ static int ath9k_config_interface(struct ieee80211_hw *hw,
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*/
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ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
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error = ath_beacon_alloc(sc, vif);
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error = ath_beacon_alloc(aphy, vif);
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if (error != 0) {
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mutex_unlock(&sc->mutex);
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return error;
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@ -195,6 +195,7 @@ struct ath_rate_priv {
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};
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struct ath_tx_info_priv {
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struct ath_wiphy *aphy;
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struct ath_tx_status tx;
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int n_frames;
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int n_bad_frames;
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@ -19,7 +19,22 @@
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static struct ieee80211_hw * ath_get_virt_hw(struct ath_softc *sc,
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struct ieee80211_hdr *hdr)
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{
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return sc->pri_wiphy->hw;
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struct ieee80211_hw *hw = sc->pri_wiphy->hw;
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int i;
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spin_lock_bh(&sc->wiphy_lock);
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for (i = 0; i < sc->num_sec_wiphy; i++) {
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struct ath_wiphy *aphy = sc->sec_wiphy[i];
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if (aphy == NULL)
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continue;
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if (compare_ether_addr(hdr->addr1, aphy->hw->wiphy->perm_addr)
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== 0) {
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hw = aphy->hw;
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break;
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}
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}
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spin_unlock_bh(&sc->wiphy_lock);
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return hw;
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}
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/*
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@ -611,7 +626,29 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
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}
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/* Send the frame to mac80211 */
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__ieee80211_rx(ath_get_virt_hw(sc, hdr), skb, &rx_status);
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if (hdr->addr1[5] & 0x01) {
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int i;
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/*
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* Deliver broadcast/multicast frames to all suitable
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* virtual wiphys.
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*/
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/* TODO: filter based on channel configuration */
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for (i = 0; i < sc->num_sec_wiphy; i++) {
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struct ath_wiphy *aphy = sc->sec_wiphy[i];
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struct sk_buff *nskb;
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if (aphy == NULL)
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continue;
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nskb = skb_copy(skb, GFP_ATOMIC);
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if (nskb)
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__ieee80211_rx(aphy->hw, nskb,
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&rx_status);
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}
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__ieee80211_rx(sc->hw, skb, &rx_status);
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} else {
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/* Deliver unicast frames based on receiver address */
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__ieee80211_rx(ath_get_virt_hw(sc, hdr), skb,
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&rx_status);
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}
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/* We will now give hardware our shiny new allocated skb */
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bf->bf_mpdu = requeue_skb;
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@ -57,8 +57,16 @@ void ath9k_set_bssid_mask(struct ieee80211_hw *hw)
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iter_data.count = 0;
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/* Get list of all active MAC addresses */
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ieee80211_iterate_active_interfaces_atomic(hw, ath9k_vif_iter,
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spin_lock_bh(&sc->wiphy_lock);
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ieee80211_iterate_active_interfaces_atomic(sc->hw, ath9k_vif_iter,
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&iter_data);
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for (i = 0; i < sc->num_sec_wiphy; i++) {
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if (sc->sec_wiphy[i] == NULL)
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continue;
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ieee80211_iterate_active_interfaces_atomic(
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sc->sec_wiphy[i]->hw, ath9k_vif_iter, &iter_data);
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}
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spin_unlock_bh(&sc->wiphy_lock);
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/* Generate an address mask to cover all active addresses */
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memset(mask, 0, ETH_ALEN);
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@ -87,3 +95,83 @@ void ath9k_set_bssid_mask(struct ieee80211_hw *hw)
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ath9k_hw_setbssidmask(sc);
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}
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int ath9k_wiphy_add(struct ath_softc *sc)
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{
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int i, error;
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struct ath_wiphy *aphy;
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struct ieee80211_hw *hw;
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u8 addr[ETH_ALEN];
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hw = ieee80211_alloc_hw(sizeof(struct ath_wiphy), &ath9k_ops);
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if (hw == NULL)
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return -ENOMEM;
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spin_lock_bh(&sc->wiphy_lock);
|
||||
for (i = 0; i < sc->num_sec_wiphy; i++) {
|
||||
if (sc->sec_wiphy[i] == NULL)
|
||||
break;
|
||||
}
|
||||
|
||||
if (i == sc->num_sec_wiphy) {
|
||||
/* No empty slot available; increase array length */
|
||||
struct ath_wiphy **n;
|
||||
n = krealloc(sc->sec_wiphy,
|
||||
(sc->num_sec_wiphy + 1) *
|
||||
sizeof(struct ath_wiphy *),
|
||||
GFP_ATOMIC);
|
||||
if (n == NULL) {
|
||||
spin_unlock_bh(&sc->wiphy_lock);
|
||||
ieee80211_free_hw(hw);
|
||||
return -ENOMEM;
|
||||
}
|
||||
n[i] = NULL;
|
||||
sc->sec_wiphy = n;
|
||||
sc->num_sec_wiphy++;
|
||||
}
|
||||
|
||||
SET_IEEE80211_DEV(hw, sc->dev);
|
||||
|
||||
aphy = hw->priv;
|
||||
aphy->sc = sc;
|
||||
aphy->hw = hw;
|
||||
sc->sec_wiphy[i] = aphy;
|
||||
spin_unlock_bh(&sc->wiphy_lock);
|
||||
|
||||
memcpy(addr, sc->sc_ah->macaddr, ETH_ALEN);
|
||||
addr[0] |= 0x02; /* Locally managed address */
|
||||
/*
|
||||
* XOR virtual wiphy index into the least significant bits to generate
|
||||
* a different MAC address for each virtual wiphy.
|
||||
*/
|
||||
addr[5] ^= i & 0xff;
|
||||
addr[4] ^= (i & 0xff00) >> 8;
|
||||
addr[3] ^= (i & 0xff0000) >> 16;
|
||||
|
||||
SET_IEEE80211_PERM_ADDR(hw, addr);
|
||||
|
||||
ath_set_hw_capab(sc, hw);
|
||||
|
||||
error = ieee80211_register_hw(hw);
|
||||
|
||||
return error;
|
||||
}
|
||||
|
||||
int ath9k_wiphy_del(struct ath_wiphy *aphy)
|
||||
{
|
||||
struct ath_softc *sc = aphy->sc;
|
||||
int i;
|
||||
|
||||
spin_lock_bh(&sc->wiphy_lock);
|
||||
for (i = 0; i < sc->num_sec_wiphy; i++) {
|
||||
if (aphy == sc->sec_wiphy[i]) {
|
||||
sc->sec_wiphy[i] = NULL;
|
||||
spin_unlock_bh(&sc->wiphy_lock);
|
||||
ieee80211_unregister_hw(aphy->hw);
|
||||
ieee80211_free_hw(aphy->hw);
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
spin_unlock_bh(&sc->wiphy_lock);
|
||||
return -ENOENT;
|
||||
}
|
||||
|
||||
@ -1497,10 +1497,12 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf)
|
||||
ath9k_hw_set11n_burstduration(sc->sc_ah, bf->bf_desc, 8192);
|
||||
}
|
||||
|
||||
static int ath_tx_setup_buffer(struct ath_softc *sc, struct ath_buf *bf,
|
||||
static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf,
|
||||
struct sk_buff *skb,
|
||||
struct ath_tx_control *txctl)
|
||||
{
|
||||
struct ath_wiphy *aphy = hw->priv;
|
||||
struct ath_softc *sc = aphy->sc;
|
||||
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
|
||||
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
|
||||
struct ath_tx_info_priv *tx_info_priv;
|
||||
@ -1511,6 +1513,7 @@ static int ath_tx_setup_buffer(struct ath_softc *sc, struct ath_buf *bf,
|
||||
if (unlikely(!tx_info_priv))
|
||||
return -ENOMEM;
|
||||
tx_info->rate_driver_data[0] = tx_info_priv;
|
||||
tx_info_priv->aphy = aphy;
|
||||
hdrlen = ieee80211_get_hdrlen_from_skb(skb);
|
||||
fc = hdr->frame_control;
|
||||
|
||||
@ -1614,9 +1617,11 @@ static void ath_tx_start_dma(struct ath_softc *sc, struct ath_buf *bf,
|
||||
}
|
||||
|
||||
/* Upon failure caller should free skb */
|
||||
int ath_tx_start(struct ath_softc *sc, struct sk_buff *skb,
|
||||
int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
|
||||
struct ath_tx_control *txctl)
|
||||
{
|
||||
struct ath_wiphy *aphy = hw->priv;
|
||||
struct ath_softc *sc = aphy->sc;
|
||||
struct ath_buf *bf;
|
||||
int r;
|
||||
|
||||
@ -1626,7 +1631,7 @@ int ath_tx_start(struct ath_softc *sc, struct sk_buff *skb,
|
||||
return -1;
|
||||
}
|
||||
|
||||
r = ath_tx_setup_buffer(sc, bf, skb, txctl);
|
||||
r = ath_tx_setup_buffer(hw, bf, skb, txctl);
|
||||
if (unlikely(r)) {
|
||||
struct ath_txq *txq = txctl->txq;
|
||||
|
||||
@ -1656,8 +1661,10 @@ int ath_tx_start(struct ath_softc *sc, struct sk_buff *skb,
|
||||
return 0;
|
||||
}
|
||||
|
||||
void ath_tx_cabq(struct ath_softc *sc, struct sk_buff *skb)
|
||||
void ath_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb)
|
||||
{
|
||||
struct ath_wiphy *aphy = hw->priv;
|
||||
struct ath_softc *sc = aphy->sc;
|
||||
int hdrlen, padsize;
|
||||
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
|
||||
struct ath_tx_control txctl;
|
||||
@ -1694,7 +1701,7 @@ void ath_tx_cabq(struct ath_softc *sc, struct sk_buff *skb)
|
||||
|
||||
DPRINTF(sc, ATH_DBG_XMIT, "transmitting CABQ packet, skb: %p\n", skb);
|
||||
|
||||
if (ath_tx_start(sc, skb, &txctl) != 0) {
|
||||
if (ath_tx_start(hw, skb, &txctl) != 0) {
|
||||
DPRINTF(sc, ATH_DBG_XMIT, "CABQ TX failed\n");
|
||||
goto exit;
|
||||
}
|
||||
@ -1718,6 +1725,9 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
|
||||
|
||||
DPRINTF(sc, ATH_DBG_XMIT, "TX complete: skb: %p\n", skb);
|
||||
|
||||
if (tx_info_priv)
|
||||
hw = tx_info_priv->aphy->hw;
|
||||
|
||||
if (tx_info->flags & IEEE80211_TX_CTL_NO_ACK ||
|
||||
tx_info->flags & IEEE80211_TX_STAT_TX_FILTERED) {
|
||||
kfree(tx_info_priv);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user