diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/htt_rx.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/htt_rx.c | 51 |
1 files changed, 38 insertions, 13 deletions
diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c index e31438541ee1..7d295ee71534 100644 --- a/drivers/net/wireless/ath/ath10k/htt_rx.c +++ b/drivers/net/wireless/ath/ath10k/htt_rx.c @@ -566,18 +566,16 @@ static int ath10k_htt_rx_crypto_param_len(struct ath10k *ar, #define MICHAEL_MIC_LEN 8 -static int ath10k_htt_rx_crypto_tail_len(struct ath10k *ar, - enum htt_rx_mpdu_encrypt_type type) +static int ath10k_htt_rx_crypto_mic_len(struct ath10k *ar, + enum htt_rx_mpdu_encrypt_type type) { switch (type) { case HTT_RX_MPDU_ENCRYPT_NONE: - return 0; case HTT_RX_MPDU_ENCRYPT_WEP40: case HTT_RX_MPDU_ENCRYPT_WEP104: - return IEEE80211_WEP_ICV_LEN; case HTT_RX_MPDU_ENCRYPT_TKIP_WITHOUT_MIC: case HTT_RX_MPDU_ENCRYPT_TKIP_WPA: - return IEEE80211_TKIP_ICV_LEN; + return 0; case HTT_RX_MPDU_ENCRYPT_AES_CCM_WPA2: return IEEE80211_CCMP_MIC_LEN; case HTT_RX_MPDU_ENCRYPT_AES_CCM256_WPA2: @@ -594,6 +592,31 @@ static int ath10k_htt_rx_crypto_tail_len(struct ath10k *ar, return 0; } +static int ath10k_htt_rx_crypto_icv_len(struct ath10k *ar, + enum htt_rx_mpdu_encrypt_type type) +{ + switch (type) { + case HTT_RX_MPDU_ENCRYPT_NONE: + case HTT_RX_MPDU_ENCRYPT_AES_CCM_WPA2: + case HTT_RX_MPDU_ENCRYPT_AES_CCM256_WPA2: + case HTT_RX_MPDU_ENCRYPT_AES_GCMP_WPA2: + case HTT_RX_MPDU_ENCRYPT_AES_GCMP256_WPA2: + return 0; + case HTT_RX_MPDU_ENCRYPT_WEP40: + case HTT_RX_MPDU_ENCRYPT_WEP104: + return IEEE80211_WEP_ICV_LEN; + case HTT_RX_MPDU_ENCRYPT_TKIP_WITHOUT_MIC: + case HTT_RX_MPDU_ENCRYPT_TKIP_WPA: + return IEEE80211_TKIP_ICV_LEN; + case HTT_RX_MPDU_ENCRYPT_WEP128: + case HTT_RX_MPDU_ENCRYPT_WAPI: + break; + } + + ath10k_warn(ar, "unsupported encryption type %d\n", type); + return 0; +} + struct amsdu_subframe_hdr { u8 dst[ETH_ALEN]; u8 src[ETH_ALEN]; @@ -1063,25 +1086,27 @@ static void ath10k_htt_rx_h_undecap_raw(struct ath10k *ar, /* Tail */ if (status->flag & RX_FLAG_IV_STRIPPED) { skb_trim(msdu, msdu->len - - ath10k_htt_rx_crypto_tail_len(ar, enctype)); + ath10k_htt_rx_crypto_mic_len(ar, enctype)); + + skb_trim(msdu, msdu->len - + ath10k_htt_rx_crypto_icv_len(ar, enctype)); } else { /* MIC */ - if ((status->flag & RX_FLAG_MIC_STRIPPED) && - enctype == HTT_RX_MPDU_ENCRYPT_AES_CCM_WPA2) - skb_trim(msdu, msdu->len - 8); + if (status->flag & RX_FLAG_MIC_STRIPPED) + skb_trim(msdu, msdu->len - + ath10k_htt_rx_crypto_mic_len(ar, enctype)); /* ICV */ - if (status->flag & RX_FLAG_ICV_STRIPPED && - enctype != HTT_RX_MPDU_ENCRYPT_AES_CCM_WPA2) + if (status->flag & RX_FLAG_ICV_STRIPPED) skb_trim(msdu, msdu->len - - ath10k_htt_rx_crypto_tail_len(ar, enctype)); + ath10k_htt_rx_crypto_icv_len(ar, enctype)); } /* MMIC */ 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); + skb_trim(msdu, msdu->len - MICHAEL_MIC_LEN); /* Head */ if (status->flag & RX_FLAG_IV_STRIPPED) { |