diff options
Diffstat (limited to 'drivers/net/wireless/ath9k')
| -rw-r--r-- | drivers/net/wireless/ath9k/beacon.c | 13 | ||||
| -rw-r--r-- | drivers/net/wireless/ath9k/core.c | 11 | ||||
| -rw-r--r-- | drivers/net/wireless/ath9k/core.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath9k/hw.c | 14 | ||||
| -rw-r--r-- | drivers/net/wireless/ath9k/main.c | 40 | ||||
| -rw-r--r-- | drivers/net/wireless/ath9k/recv.c | 5 | ||||
| -rw-r--r-- | drivers/net/wireless/ath9k/xmit.c | 10 |
7 files changed, 74 insertions, 21 deletions
diff --git a/drivers/net/wireless/ath9k/beacon.c b/drivers/net/wireless/ath9k/beacon.c index caf569401a3..00a0eaa0886 100644 --- a/drivers/net/wireless/ath9k/beacon.c +++ b/drivers/net/wireless/ath9k/beacon.c @@ -209,6 +209,7 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, int if_id) unsigned int curlen; struct ath_txq *cabq; struct ath_txq *mcastq; + struct ieee80211_tx_info *info; avp = sc->sc_vaps[if_id]; mcastq = &avp->av_mcastq; @@ -232,6 +233,18 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, int if_id) */ curlen = skb->len; + info = IEEE80211_SKB_CB(skb); + if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) { + /* + * TODO: make sure the seq# gets assigned properly (vs. other + * TX frames) + */ + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; + sc->seq_no += 0x10; + hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); + hdr->seq_ctrl |= cpu_to_le16(sc->seq_no); + } + /* XXX: spin_lock_bh should not be used here, but sparse bitches * otherwise. We should fix sparse :) */ spin_lock_bh(&mcastq->axq_lock); diff --git a/drivers/net/wireless/ath9k/core.c b/drivers/net/wireless/ath9k/core.c index f6c45288d0e..87e37bc3914 100644 --- a/drivers/net/wireless/ath9k/core.c +++ b/drivers/net/wireless/ath9k/core.c @@ -294,8 +294,6 @@ static int ath_stop(struct ath_softc *sc) * hardware is gone (invalid). */ - if (!sc->sc_invalid) - ath9k_hw_set_interrupts(ah, 0); ath_draintxq(sc, false); if (!sc->sc_invalid) { ath_stoprecv(sc); @@ -797,6 +795,12 @@ int ath_open(struct ath_softc *sc, struct ath9k_channel *initial_chan) if (ah->ah_caps.hw_caps & ATH9K_HW_CAP_HT) sc->sc_imask |= ATH9K_INT_CST; + /* Note: We disable MIB interrupts for now as we don't yet + * handle processing ANI, otherwise you will get an interrupt + * storm after about 7 hours of usage making the system unusable + * with huge latency. Once we do have ANI processing included + * we can re-enable this interrupt. */ +#if 0 /* * Enable MIB interrupts when there are hardware phy counters. * Note we only do this (at the moment) for station mode. @@ -804,6 +808,7 @@ int ath_open(struct ath_softc *sc, struct ath9k_channel *initial_chan) if (ath9k_hw_phycounters(ah) && ((sc->sc_opmode == ATH9K_M_STA) || (sc->sc_opmode == ATH9K_M_IBSS))) sc->sc_imask |= ATH9K_INT_MIB; +#endif /* * Some hardware processes the TIM IE and fires an * interrupt when the TIM bit is set. For hardware @@ -1336,6 +1341,8 @@ void ath_deinit(struct ath_softc *sc) DPRINTF(sc, ATH_DBG_CONFIG, "%s\n", __func__); + tasklet_kill(&sc->intr_tq); + tasklet_kill(&sc->bcon_tasklet); ath_stop(sc); if (!sc->sc_invalid) ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_AWAKE); diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h index 673b3d81133..2f84093331e 100644 --- a/drivers/net/wireless/ath9k/core.h +++ b/drivers/net/wireless/ath9k/core.h @@ -974,7 +974,6 @@ struct ath_softc { u32 sc_keymax; /* size of key cache */ DECLARE_BITMAP(sc_keymap, ATH_KEYMAX); /* key use bit map */ u8 sc_splitmic; /* split TKIP MIC keys */ - int sc_keytype; /* RX */ struct list_head sc_rxbuf; @@ -992,6 +991,7 @@ struct ath_softc { u32 sc_txintrperiod; /* tx interrupt batching */ int sc_haltype2q[ATH9K_WME_AC_VO+1]; /* HAL WME AC -> h/w qnum */ u32 sc_ant_tx[8]; /* recent tx frames/antenna */ + u16 seq_no; /* TX sequence number */ /* Beacon */ struct ath9k_tx_queue_info sc_beacon_qi; diff --git a/drivers/net/wireless/ath9k/hw.c b/drivers/net/wireless/ath9k/hw.c index bde162f128a..6dbfed0b414 100644 --- a/drivers/net/wireless/ath9k/hw.c +++ b/drivers/net/wireless/ath9k/hw.c @@ -5017,7 +5017,11 @@ static void ath9k_hw_spur_mitigate(struct ath_hal *ah, for (i = 0; i < 123; i++) { if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) { - if ((abs(cur_vit_mask - bin)) < 75) + + /* workaround for gcc bug #37014 */ + volatile int tmp = abs(cur_vit_mask - bin); + + if (tmp < 75) mask_amt = 1; else mask_amt = 0; @@ -7281,15 +7285,15 @@ ath9k_hw_set_keycache_entry(struct ath_hal *ah, u16 entry, } break; case ATH9K_CIPHER_WEP: - if (k->kv_len < 40 / NBBY) { + if (k->kv_len < LEN_WEP40) { DPRINTF(ah->ah_sc, ATH_DBG_KEYCACHE, "%s: WEP key length %u too small\n", __func__, k->kv_len); return false; } - if (k->kv_len <= 40 / NBBY) + if (k->kv_len <= LEN_WEP40) keyType = AR_KEYTABLE_TYPE_40; - else if (k->kv_len <= 104 / NBBY) + else if (k->kv_len <= LEN_WEP104) keyType = AR_KEYTABLE_TYPE_104; else keyType = AR_KEYTABLE_TYPE_128; @@ -7309,7 +7313,7 @@ ath9k_hw_set_keycache_entry(struct ath_hal *ah, u16 entry, key2 = get_unaligned_le32(k->kv_val + 6) ^ xorMask; key3 = (get_unaligned_le16(k->kv_val + 10) ^ xorMask) & 0xffff; key4 = get_unaligned_le32(k->kv_val + 12) ^ xorMask; - if (k->kv_len <= 104 / NBBY) + if (k->kv_len <= LEN_WEP104) key4 &= 0xff; if (keyType == AR_KEYTABLE_TYPE_TKIP && ATH9K_IS_MIC_ENABLED(ah)) { diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c index 2888778040e..acebdf1d20a 100644 --- a/drivers/net/wireless/ath9k/main.c +++ b/drivers/net/wireless/ath9k/main.c @@ -206,7 +206,6 @@ static int ath_key_config(struct ath_softc *sc, if (!ret) return -EIO; - sc->sc_keytype = hk.kv_type; return 0; } @@ -368,6 +367,20 @@ static int ath9k_tx(struct ieee80211_hw *hw, { struct ath_softc *sc = hw->priv; int hdrlen, padsize; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + + /* + * As a temporary workaround, assign seq# here; this will likely need + * to be cleaned up to work better with Beacon transmission and virtual + * BSSes. + */ + if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) { + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; + if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT) + sc->seq_no += 0x10; + hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); + hdr->seq_ctrl |= cpu_to_le16(sc->seq_no); + } /* Add the padding after the header if this is not already done */ hdrlen = ieee80211_get_hdrlen_from_skb(skb); @@ -756,13 +769,13 @@ static int ath9k_set_key(struct ieee80211_hw *hw, key->hw_key_idx = key->keyidx; /* push IV and Michael MIC generation to stack */ key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; - key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; + if (key->alg == ALG_TKIP) + key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; } break; case DISABLE_KEY: ath_key_delete(sc, key); clear_bit(key->keyidx, sc->sc_keymap); - sc->sc_keytype = ATH9K_CIPHER_CLR; break; default: ret = -EINVAL; @@ -1065,8 +1078,16 @@ void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb, tx_info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK; tx_status->flags &= ~ATH_TX_BAR; } - if (tx_status->flags) - tx_info->status.excessive_retries = 1; + + if (tx_status->flags & (ATH_TX_ERROR | ATH_TX_XRETRY)) { + if (!(tx_info->flags & IEEE80211_TX_CTL_NO_ACK)) { + /* Frame was not ACKed, but an ACK was expected */ + tx_info->status.excessive_retries = 1; + } + } else { + /* Frame was ACKed */ + tx_info->flags |= IEEE80211_TX_STAT_ACK; + } tx_info->status.retry_count = tx_status->retries; @@ -1390,10 +1411,17 @@ static void ath_pci_remove(struct pci_dev *pdev) { struct ieee80211_hw *hw = pci_get_drvdata(pdev); struct ath_softc *sc = hw->priv; + enum ath9k_int status; - if (pdev->irq) + if (pdev->irq) { + ath9k_hw_set_interrupts(sc->sc_ah, 0); + /* clear the ISR */ + ath9k_hw_getisr(sc->sc_ah, &status); + sc->sc_invalid = 1; free_irq(pdev->irq, sc); + } ath_detach(sc); + pci_iounmap(pdev, sc->mem); pci_release_region(pdev, 0); pci_disable_device(pdev); diff --git a/drivers/net/wireless/ath9k/recv.c b/drivers/net/wireless/ath9k/recv.c index 2fe806175c0..20ddb7acdb9 100644 --- a/drivers/net/wireless/ath9k/recv.c +++ b/drivers/net/wireless/ath9k/recv.c @@ -360,8 +360,9 @@ static void ath_rx_flush_tid(struct ath_softc *sc, struct ath_arx_tid *rxtid, int drop) { struct ath_rxbuf *rxbuf; + unsigned long flag; - spin_lock_bh(&rxtid->tidlock); + spin_lock_irqsave(&rxtid->tidlock, flag); while (rxtid->baw_head != rxtid->baw_tail) { rxbuf = rxtid->rxbuf + rxtid->baw_head; if (!rxbuf->rx_wbuf) { @@ -382,7 +383,7 @@ static void ath_rx_flush_tid(struct ath_softc *sc, INCR(rxtid->baw_head, ATH_TID_MAX_BUFS); INCR(rxtid->seq_next, IEEE80211_SEQ_MAX); } - spin_unlock_bh(&rxtid->tidlock); + spin_unlock_irqrestore(&rxtid->tidlock, flag); } static struct sk_buff *ath_rxbuf_alloc(struct ath_softc *sc, diff --git a/drivers/net/wireless/ath9k/xmit.c b/drivers/net/wireless/ath9k/xmit.c index 157f830ee6b..8b332e11a65 100644 --- a/drivers/net/wireless/ath9k/xmit.c +++ b/drivers/net/wireless/ath9k/xmit.c @@ -315,11 +315,11 @@ static int ath_tx_prepare(struct ath_softc *sc, txctl->keyix = tx_info->control.hw_key->hw_key_idx; txctl->frmlen += tx_info->control.icv_len; - if (sc->sc_keytype == ATH9K_CIPHER_WEP) + if (tx_info->control.hw_key->alg == ALG_WEP) txctl->keytype = ATH9K_KEY_TYPE_WEP; - else if (sc->sc_keytype == ATH9K_CIPHER_TKIP) + else if (tx_info->control.hw_key->alg == ALG_TKIP) txctl->keytype = ATH9K_KEY_TYPE_TKIP; - else if (sc->sc_keytype == ATH9K_CIPHER_AES_CCM) + else if (tx_info->control.hw_key->alg == ALG_CCMP) txctl->keytype = ATH9K_KEY_TYPE_AES; } @@ -357,9 +357,9 @@ static int ath_tx_prepare(struct ath_softc *sc, txctl->flags = ATH9K_TXDESC_CLRDMASK; /* needed for crypto errors */ if (tx_info->flags & IEEE80211_TX_CTL_NO_ACK) - tx_info->flags |= ATH9K_TXDESC_NOACK; + txctl->flags |= ATH9K_TXDESC_NOACK; if (tx_info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) - tx_info->flags |= ATH9K_TXDESC_RTSENA; + txctl->flags |= ATH9K_TXDESC_RTSENA; /* * Setup for rate calculations. |