diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/recv.c')
-rw-r--r-- | drivers/net/wireless/ath/ath9k/recv.c | 81 |
1 files changed, 45 insertions, 36 deletions
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index 262c815..00ebed3 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -165,7 +165,7 @@ static void ath_rx_addbuffer_edma(struct ath_softc *sc, u32 nbuf = 0; if (list_empty(&sc->rx.rxbuf)) { - ath_print(common, ATH_DBG_QUEUE, "No free rx buf available\n"); + ath_dbg(common, ATH_DBG_QUEUE, "No free rx buf available\n"); return; } @@ -269,7 +269,7 @@ static int ath_rx_edma_init(struct ath_softc *sc, int nbufs) dev_kfree_skb_any(skb); bf->bf_mpdu = NULL; bf->bf_buf_addr = 0; - ath_print(common, ATH_DBG_FATAL, + ath_err(common, "dma_mapping_error() on RX init\n"); error = -ENOMEM; goto rx_init_fail; @@ -327,17 +327,17 @@ int ath_rx_init(struct ath_softc *sc, int nbufs) common->rx_bufsize = roundup(IEEE80211_MAX_MPDU_LEN, min(common->cachelsz, (u16)64)); - ath_print(common, ATH_DBG_CONFIG, "cachelsz %u rxbufsize %u\n", - common->cachelsz, common->rx_bufsize); + ath_dbg(common, ATH_DBG_CONFIG, "cachelsz %u rxbufsize %u\n", + common->cachelsz, common->rx_bufsize); /* Initialize rx descriptors */ error = ath_descdma_setup(sc, &sc->rx.rxdma, &sc->rx.rxbuf, "rx", nbufs, 1, 0); if (error != 0) { - ath_print(common, ATH_DBG_FATAL, - "failed to allocate rx descriptors: %d\n", - error); + ath_err(common, + "failed to allocate rx descriptors: %d\n", + error); goto err; } @@ -358,8 +358,8 @@ int ath_rx_init(struct ath_softc *sc, int nbufs) dev_kfree_skb_any(skb); bf->bf_mpdu = NULL; bf->bf_buf_addr = 0; - ath_print(common, ATH_DBG_FATAL, - "dma_mapping_error() on RX init\n"); + ath_err(common, + "dma_mapping_error() on RX init\n"); error = -ENOMEM; goto err; } @@ -528,8 +528,12 @@ bool ath_stoprecv(struct ath_softc *sc) sc->rx.rxlink = NULL; spin_unlock_bh(&sc->rx.rxbuflock); - ATH_DBG_WARN(!stopped, "Could not stop RX, we could be " - "confusing the DMA engine when we start RX up\n"); + if (unlikely(!stopped)) { + ath_err(ath9k_hw_common(sc->sc_ah), + "Could not stop RX, we could be " + "confusing the DMA engine when we start RX up\n"); + ATH_DBG_WARN_ON_ONCE(!stopped); + } return stopped; } @@ -590,9 +594,8 @@ static void ath_rx_ps_beacon(struct ath_softc *sc, struct sk_buff *skb) if (sc->ps_flags & PS_BEACON_SYNC) { sc->ps_flags &= ~PS_BEACON_SYNC; - ath_print(common, ATH_DBG_PS, - "Reconfigure Beacon timers based on " - "timestamp from the AP\n"); + ath_dbg(common, ATH_DBG_PS, + "Reconfigure Beacon timers based on timestamp from the AP\n"); ath_beacon_config(sc, NULL); } @@ -604,8 +607,8 @@ static void ath_rx_ps_beacon(struct ath_softc *sc, struct sk_buff *skb) * a backup trigger for returning into NETWORK SLEEP state, * so we are waiting for it as well. */ - ath_print(common, ATH_DBG_PS, "Received DTIM beacon indicating " - "buffered broadcast/multicast frame(s)\n"); + ath_dbg(common, ATH_DBG_PS, + "Received DTIM beacon indicating buffered broadcast/multicast frame(s)\n"); sc->ps_flags |= PS_WAIT_FOR_CAB | PS_WAIT_FOR_BEACON; return; } @@ -617,8 +620,8 @@ static void ath_rx_ps_beacon(struct ath_softc *sc, struct sk_buff *skb) * been delivered. */ sc->ps_flags &= ~PS_WAIT_FOR_CAB; - ath_print(common, ATH_DBG_PS, - "PS wait for CAB frames timed out\n"); + ath_dbg(common, ATH_DBG_PS, + "PS wait for CAB frames timed out\n"); } } @@ -643,15 +646,14 @@ static void ath_rx_ps(struct ath_softc *sc, struct sk_buff *skb) * point. */ sc->ps_flags &= ~(PS_WAIT_FOR_CAB | PS_WAIT_FOR_BEACON); - ath_print(common, ATH_DBG_PS, - "All PS CAB frames received, back to sleep\n"); + ath_dbg(common, ATH_DBG_PS, + "All PS CAB frames received, back to sleep\n"); } else if ((sc->ps_flags & PS_WAIT_FOR_PSPOLL_DATA) && !is_multicast_ether_addr(hdr->addr1) && !ieee80211_has_morefrags(hdr->frame_control)) { sc->ps_flags &= ~PS_WAIT_FOR_PSPOLL_DATA; - ath_print(common, ATH_DBG_PS, - "Going back to sleep after having received " - "PS-Poll data (0x%lx)\n", + ath_dbg(common, ATH_DBG_PS, + "Going back to sleep after having received PS-Poll data (0x%lx)\n", sc->ps_flags & (PS_WAIT_FOR_BEACON | PS_WAIT_FOR_CAB | PS_WAIT_FOR_PSPOLL_DATA | @@ -660,8 +662,7 @@ static void ath_rx_ps(struct ath_softc *sc, struct sk_buff *skb) } static void ath_rx_send_to_mac80211(struct ieee80211_hw *hw, - struct ath_softc *sc, struct sk_buff *skb, - struct ieee80211_rx_status *rxs) + struct ath_softc *sc, struct sk_buff *skb) { struct ieee80211_hdr *hdr; @@ -840,6 +841,10 @@ static bool ath9k_rx_accept(struct ath_common *common, struct ath_rx_status *rx_stats, bool *decrypt_error) { +#define is_mc_or_valid_tkip_keyix ((is_mc || \ + (rx_stats->rs_keyix != ATH9K_RXKEYIX_INVALID && \ + test_bit(rx_stats->rs_keyix, common->tkip_keymap)))) + struct ath_hw *ah = common->ah; __le16 fc; u8 rx_status_len = ah->caps.rx_status_len; @@ -881,15 +886,18 @@ static bool ath9k_rx_accept(struct ath_common *common, if (rx_stats->rs_status & ATH9K_RXERR_DECRYPT) { *decrypt_error = true; } else if (rx_stats->rs_status & ATH9K_RXERR_MIC) { + bool is_mc; /* * The MIC error bit is only valid if the frame * is not a control frame or fragment, and it was * decrypted using a valid TKIP key. */ + is_mc = !!is_multicast_ether_addr(hdr->addr1); + if (!ieee80211_is_ctl(fc) && !ieee80211_has_morefrags(fc) && !(le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG) && - test_bit(rx_stats->rs_keyix, common->tkip_keymap)) + is_mc_or_valid_tkip_keyix) rxs->flag |= RX_FLAG_MMIC_ERROR; else rx_stats->rs_status &= ~ATH9K_RXERR_MIC; @@ -953,8 +961,9 @@ static int ath9k_process_rate(struct ath_common *common, * No valid hardware bitrate found -- we should not get here * because hardware has already validated this frame as OK. */ - ath_print(common, ATH_DBG_XMIT, "unsupported hw bitrate detected " - "0x%02x using 1 Mbit\n", rx_stats->rs_rate); + ath_dbg(common, ATH_DBG_XMIT, + "unsupported hw bitrate detected 0x%02x using 1 Mbit\n", + rx_stats->rs_rate); return -EINVAL; } @@ -1618,7 +1627,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp) struct ath_hw *ah = sc->sc_ah; struct ath_common *common = ath9k_hw_common(ah); /* - * The hw can techncically differ from common->hw when using ath9k + * The hw can technically differ from common->hw when using ath9k * virtual wiphy so to account for that we iterate over the active * wiphys and find the appropriate wiphy and therefore hw. */ @@ -1725,9 +1734,8 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp) dev_kfree_skb_any(requeue_skb); bf->bf_mpdu = NULL; bf->bf_buf_addr = 0; - ath_print(common, ATH_DBG_FATAL, - "dma_mapping_error() on RX\n"); - ath_rx_send_to_mac80211(hw, sc, skb, rxs); + ath_err(common, "dma_mapping_error() on RX\n"); + ath_rx_send_to_mac80211(hw, sc, skb); break; } @@ -1743,17 +1751,18 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp) } spin_lock_irqsave(&sc->sc_pm_lock, flags); - if (unlikely(ath9k_check_auto_sleep(sc) || - (sc->ps_flags & (PS_WAIT_FOR_BEACON | + + if ((sc->ps_flags & (PS_WAIT_FOR_BEACON | PS_WAIT_FOR_CAB | - PS_WAIT_FOR_PSPOLL_DATA)))) + PS_WAIT_FOR_PSPOLL_DATA)) || + unlikely(ath9k_check_auto_sleep(sc))) ath_rx_ps(sc, skb); spin_unlock_irqrestore(&sc->sc_pm_lock, flags); if (ah->caps.hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB) ath_ant_comb_scan(sc, &rs); - ath_rx_send_to_mac80211(hw, sc, skb, rxs); + ath_rx_send_to_mac80211(hw, sc, skb); requeue: if (edma) { |