diff options
Diffstat (limited to 'drivers/net/wireless/ath9k')
| -rw-r--r-- | drivers/net/wireless/ath9k/ath9k.h | 15 | ||||
| -rw-r--r-- | drivers/net/wireless/ath9k/beacon.c | 21 | ||||
| -rw-r--r-- | drivers/net/wireless/ath9k/main.c | 65 | ||||
| -rw-r--r-- | drivers/net/wireless/ath9k/rc.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ath9k/recv.c | 41 | ||||
| -rw-r--r-- | drivers/net/wireless/ath9k/virtual.c | 90 | ||||
| -rw-r--r-- | drivers/net/wireless/ath9k/xmit.c | 20 |
7 files changed, 212 insertions, 41 deletions
diff --git a/drivers/net/wireless/ath9k/ath9k.h b/drivers/net/wireless/ath9k/ath9k.h index 41eeac42a80c..386b93622e58 100644 --- a/drivers/net/wireless/ath9k/ath9k.h +++ b/drivers/net/wireless/ath9k/ath9k.h @@ -373,10 +373,10 @@ int ath_tx_cleanup(struct ath_softc *sc); struct ath_txq *ath_test_get_txq(struct ath_softc *sc, struct sk_buff *skb); int ath_txq_update(struct ath_softc *sc, int qnum, struct ath9k_tx_queue_info *q); -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); void ath_tx_tasklet(struct ath_softc *sc); -void ath_tx_cabq(struct ath_softc *sc, struct sk_buff *skb); +void ath_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb); bool ath_tx_aggr_check(struct ath_softc *sc, struct ath_node *an, u8 tidno); int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid, u16 *ssn); @@ -429,6 +429,7 @@ struct ath_beacon { u32 ast_be_xmit; u64 bc_tstamp; struct ieee80211_vif *bslot[ATH_BCBUF]; + struct ath_wiphy *bslot_aphy[ATH_BCBUF]; int slottime; int slotupdate; struct ath9k_tx_queue_info beacon_qi; @@ -440,7 +441,7 @@ struct ath_beacon { void ath_beacon_tasklet(unsigned long data); void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif); int ath_beaconq_setup(struct ath_hw *ah); -int ath_beacon_alloc(struct ath_softc *sc, struct ieee80211_vif *vif); +int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif); void ath_beacon_return(struct ath_softc *sc, struct ath_vif *avp); /*******/ @@ -554,7 +555,12 @@ struct ath_wiphy; struct ath_softc { struct ieee80211_hw *hw; struct device *dev; + + spinlock_t wiphy_lock; /* spinlock to protect ath_wiphy data */ struct ath_wiphy *pri_wiphy; + struct ath_wiphy **sec_wiphy; /* secondary wiphys (virtual radios); may + * have NULL entries */ + int num_sec_wiphy; /* number of sec_wiphy pointers in the array */ struct tasklet_struct intr_tq; struct tasklet_struct bcon_tasklet; struct ath_hw *sc_ah; @@ -638,6 +644,7 @@ int ath_attach(u16 devid, struct ath_softc *sc); void ath_detach(struct ath_softc *sc); const char *ath_mac_bb_name(u32 mac_bb_version); const char *ath_rf_name(u16 rf_version); +void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw); #ifdef CONFIG_PCI int ath_pci_init(void); @@ -675,5 +682,7 @@ static inline void ath9k_ps_restore(struct ath_softc *sc) void ath9k_set_bssid_mask(struct ieee80211_hw *hw); +int ath9k_wiphy_add(struct ath_softc *sc); +int ath9k_wiphy_del(struct ath_wiphy *aphy); #endif /* ATH9K_H */ diff --git a/drivers/net/wireless/ath9k/beacon.c b/drivers/net/wireless/ath9k/beacon.c index 357d797e79c1..760f5b80f79e 100644 --- a/drivers/net/wireless/ath9k/beacon.c +++ b/drivers/net/wireless/ath9k/beacon.c @@ -113,9 +113,11 @@ static void ath_beacon_setup(struct ath_softc *sc, struct ath_vif *avp, series, 4, 0); } -static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, +static struct ath_buf *ath_beacon_generate(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { + struct ath_wiphy *aphy = hw->priv; + struct ath_softc *sc = aphy->sc; struct ath_buf *bf; struct ath_vif *avp; struct sk_buff *skb; @@ -144,7 +146,7 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, /* Get a new beacon from mac80211 */ - skb = ieee80211_beacon_get(sc->hw, vif); + skb = ieee80211_beacon_get(hw, vif); bf->bf_mpdu = skb; if (skb == NULL) return NULL; @@ -171,7 +173,7 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, return NULL; } - skb = ieee80211_get_buffered_bc(sc->hw, vif); + skb = ieee80211_get_buffered_bc(hw, vif); /* * if the CABQ traffic from previous DTIM is pending and the current @@ -196,8 +198,8 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, ath_beacon_setup(sc, avp, bf); while (skb) { - ath_tx_cabq(sc, skb); - skb = ieee80211_get_buffered_bc(sc->hw, vif); + ath_tx_cabq(hw, skb); + skb = ieee80211_get_buffered_bc(hw, vif); } return bf; @@ -244,8 +246,9 @@ int ath_beaconq_setup(struct ath_hw *ah) return ath9k_hw_setuptxqueue(ah, ATH9K_TX_QUEUE_BEACON, &qi); } -int ath_beacon_alloc(struct ath_softc *sc, struct ieee80211_vif *vif) +int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif) { + struct ath_softc *sc = aphy->sc; struct ath_vif *avp; struct ieee80211_hdr *hdr; struct ath_buf *bf; @@ -286,6 +289,7 @@ int ath_beacon_alloc(struct ath_softc *sc, struct ieee80211_vif *vif) } BUG_ON(sc->beacon.bslot[avp->av_bslot] != NULL); sc->beacon.bslot[avp->av_bslot] = vif; + sc->beacon.bslot_aphy[avp->av_bslot] = aphy; sc->nbcnvifs++; } } @@ -368,6 +372,7 @@ void ath_beacon_return(struct ath_softc *sc, struct ath_vif *avp) if (avp->av_bslot != -1) { sc->beacon.bslot[avp->av_bslot] = NULL; + sc->beacon.bslot_aphy[avp->av_bslot] = NULL; sc->nbcnvifs--; } @@ -391,6 +396,7 @@ void ath_beacon_tasklet(unsigned long data) struct ath_hw *ah = sc->sc_ah; struct ath_buf *bf = NULL; struct ieee80211_vif *vif; + struct ath_wiphy *aphy; int slot; u32 bfaddr, bc = 0, tsftu; u64 tsf; @@ -439,6 +445,7 @@ void ath_beacon_tasklet(unsigned long data) tsftu = TSF_TO_TU(tsf>>32, tsf); slot = ((tsftu % intval) * ATH_BCBUF) / intval; vif = sc->beacon.bslot[(slot + 1) % ATH_BCBUF]; + aphy = sc->beacon.bslot_aphy[(slot + 1) % ATH_BCBUF]; DPRINTF(sc, ATH_DBG_BEACON, "slot %d [tsf %llu tsftu %u intval %u] vif %p\n", @@ -446,7 +453,7 @@ void ath_beacon_tasklet(unsigned long data) bfaddr = 0; if (vif) { - bf = ath_beacon_generate(sc, vif); + bf = ath_beacon_generate(aphy->hw, vif); if (bf != NULL) { bfaddr = bf->bf_daddr; bc = 1; diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c index 0c0e587d7942..433a11c41838 100644 --- a/drivers/net/wireless/ath9k/main.c +++ b/drivers/net/wireless/ath9k/main.c @@ -1307,6 +1307,7 @@ void ath_cleanup(struct ath_softc *sc) ath_detach(sc); free_irq(sc->irq, sc); ath_bus_cleanup(sc); + kfree(sc->sec_wiphy); ieee80211_free_hw(sc->hw); } @@ -1324,6 +1325,14 @@ void ath_detach(struct ath_softc *sc) #endif ath_deinit_leds(sc); + for (i = 0; i < sc->num_sec_wiphy; i++) { + struct ath_wiphy *aphy = sc->sec_wiphy[i]; + if (aphy == NULL) + continue; + sc->sec_wiphy[i] = NULL; + ieee80211_unregister_hw(aphy->hw); + ieee80211_free_hw(aphy->hw); + } ieee80211_unregister_hw(hw); ath_rx_cleanup(sc); ath_tx_cleanup(sc); @@ -1357,6 +1366,7 @@ static int ath_init(u16 devid, struct ath_softc *sc) if (ath9k_init_debug(sc) < 0) printk(KERN_ERR "Unable to create debugfs files\n"); + spin_lock_init(&sc->wiphy_lock); spin_lock_init(&sc->sc_resetlock); mutex_init(&sc->mutex); tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc); @@ -1520,8 +1530,10 @@ static int ath_init(u16 devid, struct ath_softc *sc) sc->beacon.slottime = ATH9K_SLOT_TIME_9; /* default to short slot time */ /* initialize beacon slots */ - for (i = 0; i < ARRAY_SIZE(sc->beacon.bslot); i++) + for (i = 0; i < ARRAY_SIZE(sc->beacon.bslot); i++) { sc->beacon.bslot[i] = NULL; + sc->beacon.bslot_aphy[i] = NULL; + } /* save MISC configurations */ sc->config.swBeaconProcess = 1; @@ -1561,22 +1573,8 @@ bad: return error; } -int ath_attach(u16 devid, struct ath_softc *sc) +void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw) { - struct ieee80211_hw *hw = sc->hw; - const struct ieee80211_regdomain *regd; - int error = 0, i; - - DPRINTF(sc, ATH_DBG_CONFIG, "Attach ATH hw\n"); - - error = ath_init(devid, sc); - if (error != 0) - return error; - - /* get mac address from hardware and set in mac80211 */ - - SET_IEEE80211_PERM_ADDR(hw, sc->sc_ah->macaddr); - hw->flags = IEEE80211_HW_RX_INCLUDES_FCS | IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING | IEEE80211_HW_SIGNAL_DBM | @@ -1604,17 +1602,37 @@ int ath_attach(u16 devid, struct ath_softc *sc) hw->rate_control_algorithm = "ath9k_rate_control"; + hw->wiphy->bands[IEEE80211_BAND_2GHZ] = + &sc->sbands[IEEE80211_BAND_2GHZ]; + if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes)) + hw->wiphy->bands[IEEE80211_BAND_5GHZ] = + &sc->sbands[IEEE80211_BAND_5GHZ]; +} + +int ath_attach(u16 devid, struct ath_softc *sc) +{ + struct ieee80211_hw *hw = sc->hw; + const struct ieee80211_regdomain *regd; + int error = 0, i; + + DPRINTF(sc, ATH_DBG_CONFIG, "Attach ATH hw\n"); + + error = ath_init(devid, sc); + if (error != 0) + return error; + + /* get mac address from hardware and set in mac80211 */ + + SET_IEEE80211_PERM_ADDR(hw, sc->sc_ah->macaddr); + + ath_set_hw_capab(sc, hw); + if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) { setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_2GHZ].ht_cap); if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes)) setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_5GHZ].ht_cap); } - hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &sc->sbands[IEEE80211_BAND_2GHZ]; - if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes)) - hw->wiphy->bands[IEEE80211_BAND_5GHZ] = - &sc->sbands[IEEE80211_BAND_5GHZ]; - /* initialize tx/rx engine */ error = ath_tx_init(sc, ATH_TXBUF); if (error != 0) @@ -2067,7 +2085,7 @@ static int ath9k_tx(struct ieee80211_hw *hw, DPRINTF(sc, ATH_DBG_XMIT, "transmitting 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, "TX failed\n"); goto exit; } @@ -2247,6 +2265,7 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw, printk(KERN_DEBUG "%s: vif had allocated beacon " "slot\n", __func__); sc->beacon.bslot[i] = NULL; + sc->beacon.bslot_aphy[i] = NULL; } } @@ -2388,7 +2407,7 @@ static int ath9k_config_interface(struct ieee80211_hw *hw, */ ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq); - error = ath_beacon_alloc(sc, vif); + error = ath_beacon_alloc(aphy, vif); if (error != 0) { mutex_unlock(&sc->mutex); return error; diff --git a/drivers/net/wireless/ath9k/rc.h b/drivers/net/wireless/ath9k/rc.h index a6dc82d92612..0584122341ad 100644 --- a/drivers/net/wireless/ath9k/rc.h +++ b/drivers/net/wireless/ath9k/rc.h @@ -195,6 +195,7 @@ struct ath_rate_priv { }; struct ath_tx_info_priv { + struct ath_wiphy *aphy; struct ath_tx_status tx; int n_frames; int n_bad_frames; diff --git a/drivers/net/wireless/ath9k/recv.c b/drivers/net/wireless/ath9k/recv.c index ec535834f961..a9a55df500a4 100644 --- a/drivers/net/wireless/ath9k/recv.c +++ b/drivers/net/wireless/ath9k/recv.c @@ -19,7 +19,22 @@ static struct ieee80211_hw * ath_get_virt_hw(struct ath_softc *sc, struct ieee80211_hdr *hdr) { - return sc->pri_wiphy->hw; + struct ieee80211_hw *hw = sc->pri_wiphy->hw; + int i; + + spin_lock_bh(&sc->wiphy_lock); + for (i = 0; i < sc->num_sec_wiphy; i++) { + struct ath_wiphy *aphy = sc->sec_wiphy[i]; + if (aphy == NULL) + continue; + if (compare_ether_addr(hdr->addr1, aphy->hw->wiphy->perm_addr) + == 0) { + hw = aphy->hw; + break; + } + } + spin_unlock_bh(&sc->wiphy_lock); + return hw; } /* @@ -611,7 +626,29 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush) } /* Send the frame to mac80211 */ - __ieee80211_rx(ath_get_virt_hw(sc, hdr), skb, &rx_status); + if (hdr->addr1[5] & 0x01) { + int i; + /* + * Deliver broadcast/multicast frames to all suitable + * virtual wiphys. + */ + /* TODO: filter based on channel configuration */ + for (i = 0; i < sc->num_sec_wiphy; i++) { + struct ath_wiphy *aphy = sc->sec_wiphy[i]; + struct sk_buff *nskb; + if (aphy == NULL) + continue; + nskb = skb_copy(skb, GFP_ATOMIC); + if (nskb) + __ieee80211_rx(aphy->hw, nskb, + &rx_status); + } + __ieee80211_rx(sc->hw, skb, &rx_status); + } else { + /* Deliver unicast frames based on receiver address */ + __ieee80211_rx(ath_get_virt_hw(sc, hdr), skb, + &rx_status); + } /* We will now give hardware our shiny new allocated skb */ bf->bf_mpdu = requeue_skb; diff --git a/drivers/net/wireless/ath9k/virtual.c b/drivers/net/wireless/ath9k/virtual.c index a91f2f1c911b..67bcb9343ca6 100644 --- a/drivers/net/wireless/ath9k/virtual.c +++ b/drivers/net/wireless/ath9k/virtual.c @@ -57,8 +57,16 @@ void ath9k_set_bssid_mask(struct ieee80211_hw *hw) iter_data.count = 0; /* Get list of all active MAC addresses */ - ieee80211_iterate_active_interfaces_atomic(hw, ath9k_vif_iter, + spin_lock_bh(&sc->wiphy_lock); + ieee80211_iterate_active_interfaces_atomic(sc->hw, ath9k_vif_iter, &iter_data); + for (i = 0; i < sc->num_sec_wiphy; i++) { + if (sc->sec_wiphy[i] == NULL) + continue; + ieee80211_iterate_active_interfaces_atomic( + sc->sec_wiphy[i]->hw, ath9k_vif_iter, &iter_data); + } + spin_unlock_bh(&sc->wiphy_lock); /* Generate an address mask to cover all active addresses */ memset(mask, 0, ETH_ALEN); @@ -87,3 +95,83 @@ void ath9k_set_bssid_mask(struct ieee80211_hw *hw) ath9k_hw_setbssidmask(sc); } + +int ath9k_wiphy_add(struct ath_softc *sc) +{ + int i, error; + struct ath_wiphy *aphy; + struct ieee80211_hw *hw; + u8 addr[ETH_ALEN]; + + hw = ieee80211_alloc_hw(sizeof(struct ath_wiphy), &ath9k_ops); + if (hw == NULL) + return -ENOMEM; + + 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; +} diff --git a/drivers/net/wireless/ath9k/xmit.c b/drivers/net/wireless/ath9k/xmit.c index 363bb2a94d99..3c48fa5646f5 100644 --- a/drivers/net/wireless/ath9k/xmit.c +++ b/drivers/net/wireless/ath9k/xmit.c @@ -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); |
