diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/core.h | 5 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/htt_rx.c | 14 |
2 files changed, 15 insertions, 4 deletions
diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index 827b3d79ed0c..70fcdc9c2758 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -463,6 +463,11 @@ enum ath10k_fw_features { /* Don't trust error code from otp.bin */ ATH10K_FW_FEATURE_IGNORE_OTP_RESULT, + /* Some firmware revisions pad 4th hw address to 4 byte boundary making + * it 8 bytes long in Native Wifi Rx decap. + */ + ATH10K_FW_FEATURE_NO_NWIFI_DECAP_4ADDR_PADDING, + /* keep last */ ATH10K_FW_FEATURE_COUNT, }; diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c index b26e32f42656..89eb16b30fc4 100644 --- a/drivers/net/wireless/ath/ath10k/htt_rx.c +++ b/drivers/net/wireless/ath/ath10k/htt_rx.c @@ -965,10 +965,16 @@ static void ath10k_process_rx(struct ath10k *ar, ieee80211_rx(ar->hw, skb); } -static int ath10k_htt_rx_nwifi_hdrlen(struct ieee80211_hdr *hdr) +static int ath10k_htt_rx_nwifi_hdrlen(struct ath10k *ar, + struct ieee80211_hdr *hdr) { - /* nwifi header is padded to 4 bytes. this fixes 4addr rx */ - return round_up(ieee80211_hdrlen(hdr->frame_control), 4); + int len = ieee80211_hdrlen(hdr->frame_control); + + if (!test_bit(ATH10K_FW_FEATURE_NO_NWIFI_DECAP_4ADDR_PADDING, + ar->fw_features)) + len = round_up(len, 4); + + return len; } static void ath10k_htt_rx_h_undecap_raw(struct ath10k *ar, @@ -1067,7 +1073,7 @@ static void ath10k_htt_rx_h_undecap_nwifi(struct ath10k *ar, /* pull decapped header and copy SA & DA */ hdr = (struct ieee80211_hdr *)msdu->data; - hdr_len = ath10k_htt_rx_nwifi_hdrlen(hdr); + hdr_len = ath10k_htt_rx_nwifi_hdrlen(ar, hdr); ether_addr_copy(da, ieee80211_get_DA(hdr)); ether_addr_copy(sa, ieee80211_get_SA(hdr)); skb_pull(msdu, hdr_len); |