diff options
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/htt_rx.c | 70 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/wmi.c | 6 |
2 files changed, 40 insertions, 36 deletions
diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c index 40f969c72de8..84b060efa1b5 100644 --- a/drivers/net/wireless/ath/ath10k/htt_rx.c +++ b/drivers/net/wireless/ath/ath10k/htt_rx.c @@ -1078,20 +1078,25 @@ static void ath10k_htt_rx_h_undecap_raw(struct ath10k *ar, hdr = (void *)msdu->data; /* Tail */ - skb_trim(msdu, msdu->len - ath10k_htt_rx_crypto_tail_len(ar, enctype)); + if (status->flag & RX_FLAG_IV_STRIPPED) + skb_trim(msdu, msdu->len - + ath10k_htt_rx_crypto_tail_len(ar, enctype)); /* MMIC */ - if (!ieee80211_has_morefrags(hdr->frame_control) && + if ((status->flag & RX_FLAG_MMIC_STRIPPED) && + !ieee80211_has_morefrags(hdr->frame_control) && enctype == HTT_RX_MPDU_ENCRYPT_TKIP_WPA) skb_trim(msdu, msdu->len - 8); /* Head */ - hdr_len = ieee80211_hdrlen(hdr->frame_control); - crypto_len = ath10k_htt_rx_crypto_param_len(ar, enctype); + if (status->flag & RX_FLAG_IV_STRIPPED) { + hdr_len = ieee80211_hdrlen(hdr->frame_control); + crypto_len = ath10k_htt_rx_crypto_param_len(ar, enctype); - memmove((void *)msdu->data + crypto_len, - (void *)msdu->data, hdr_len); - skb_pull(msdu, crypto_len); + memmove((void *)msdu->data + crypto_len, + (void *)msdu->data, hdr_len); + skb_pull(msdu, crypto_len); + } } static void ath10k_htt_rx_h_undecap_nwifi(struct ath10k *ar, @@ -1345,6 +1350,7 @@ static void ath10k_htt_rx_h_mpdu(struct ath10k *ar, bool has_tkip_err; bool has_peer_idx_invalid; bool is_decrypted; + bool is_mgmt; u32 attention; if (skb_queue_empty(amsdu)) @@ -1353,6 +1359,9 @@ static void ath10k_htt_rx_h_mpdu(struct ath10k *ar, first = skb_peek(amsdu); rxd = (void *)first->data - sizeof(*rxd); + is_mgmt = !!(rxd->attention.flags & + __cpu_to_le32(RX_ATTENTION_FLAGS_MGMT_TYPE)); + enctype = MS(__le32_to_cpu(rxd->mpdu_start.info0), RX_MPDU_START_INFO0_ENCRYPT_TYPE); @@ -1394,6 +1403,7 @@ static void ath10k_htt_rx_h_mpdu(struct ath10k *ar, RX_FLAG_MMIC_ERROR | RX_FLAG_DECRYPTED | RX_FLAG_IV_STRIPPED | + RX_FLAG_ONLY_MONITOR | RX_FLAG_MMIC_STRIPPED); if (has_fcs_err) @@ -1402,10 +1412,21 @@ static void ath10k_htt_rx_h_mpdu(struct ath10k *ar, if (has_tkip_err) status->flag |= RX_FLAG_MMIC_ERROR; - if (is_decrypted) - status->flag |= RX_FLAG_DECRYPTED | - RX_FLAG_IV_STRIPPED | - RX_FLAG_MMIC_STRIPPED; + /* Firmware reports all necessary management frames via WMI already. + * They are not reported to monitor interfaces at all so pass the ones + * coming via HTT to monitor interfaces instead. This simplifies + * matters a lot. + */ + if (is_mgmt) + status->flag |= RX_FLAG_ONLY_MONITOR; + + if (is_decrypted) { + status->flag |= RX_FLAG_DECRYPTED; + + if (likely(!is_mgmt)) + status->flag |= RX_FLAG_IV_STRIPPED | + RX_FLAG_MMIC_STRIPPED; +} skb_queue_walk(amsdu, msdu) { ath10k_htt_rx_h_csum_offload(msdu); @@ -1418,6 +1439,8 @@ static void ath10k_htt_rx_h_mpdu(struct ath10k *ar, */ if (!is_decrypted) continue; + if (is_mgmt) + continue; hdr = (void *)msdu->data; hdr->frame_control &= ~__cpu_to_le16(IEEE80211_FCTL_PROTECTED); @@ -1518,14 +1541,6 @@ static bool ath10k_htt_rx_amsdu_allowed(struct ath10k *ar, struct sk_buff_head *amsdu, struct ieee80211_rx_status *rx_status) { - struct sk_buff *msdu; - struct htt_rx_desc *rxd; - bool is_mgmt; - bool has_fcs_err; - - msdu = skb_peek(amsdu); - rxd = (void *)msdu->data - sizeof(*rxd); - /* FIXME: It might be a good idea to do some fuzzy-testing to drop * invalid/dangerous frames. */ @@ -1535,23 +1550,6 @@ static bool ath10k_htt_rx_amsdu_allowed(struct ath10k *ar, return false; } - is_mgmt = !!(rxd->attention.flags & - __cpu_to_le32(RX_ATTENTION_FLAGS_MGMT_TYPE)); - has_fcs_err = !!(rxd->attention.flags & - __cpu_to_le32(RX_ATTENTION_FLAGS_FCS_ERR)); - - /* Management frames are handled via WMI events. The pros of such - * approach is that channel is explicitly provided in WMI events - * whereas HTT doesn't provide channel information for Rxed frames. - * - * However some firmware revisions don't report corrupted frames via - * WMI so don't drop them. - */ - if (is_mgmt && !has_fcs_err) { - ath10k_dbg(ar, ATH10K_DBG_HTT, "htt rx mgmt ctrl\n"); - return false; - } - if (test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags)) { ath10k_dbg(ar, ATH10K_DBG_HTT, "htt rx cac running\n"); return false; diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index c31b4878cdc6..651220e98c72 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -2310,6 +2310,12 @@ int ath10k_wmi_event_mgmt_rx(struct ath10k *ar, struct sk_buff *skb) hdr = (struct ieee80211_hdr *)skb->data; fc = le16_to_cpu(hdr->frame_control); + /* Firmware is guaranteed to report all essential management frames via + * WMI while it can deliver some extra via HTT. Since there can be + * duplicates split the reporting wrt monitor/sniffing. + */ + status->flag |= RX_FLAG_SKIP_MONITOR; + ath10k_wmi_handle_wep_reauth(ar, skb, status); /* FW delivers WEP Shared Auth frame with Protected Bit set and |