From 890d3b2a61323baedee314015351c7f15ced0c71 Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Thu, 23 Oct 2014 17:04:22 +0300 Subject: [PATCH] ath10k: use ieee80211 defines for crypto param lengths Use the globally defined ieee80211 values instead of re-defining them in the driver again. Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/htt_rx.c | 34 ++++++++++++++---------- 1 file changed, 20 insertions(+), 14 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c index 61ff2ac8496e..ca466cedfb3e 100644 --- a/drivers/net/wireless/ath/ath10k/htt_rx.c +++ b/drivers/net/wireless/ath/ath10k/htt_rx.c @@ -588,41 +588,47 @@ static int ath10k_htt_rx_crypto_param_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 4; + return IEEE80211_WEP_IV_LEN; case HTT_RX_MPDU_ENCRYPT_TKIP_WITHOUT_MIC: - case HTT_RX_MPDU_ENCRYPT_WEP128: /* not tested */ case HTT_RX_MPDU_ENCRYPT_TKIP_WPA: - case HTT_RX_MPDU_ENCRYPT_WAPI: /* not tested */ + return IEEE80211_TKIP_IV_LEN; case HTT_RX_MPDU_ENCRYPT_AES_CCM_WPA2: - return 8; - case HTT_RX_MPDU_ENCRYPT_NONE: - return 0; + return IEEE80211_CCMP_HDR_LEN; + case HTT_RX_MPDU_ENCRYPT_WEP128: + case HTT_RX_MPDU_ENCRYPT_WAPI: + break; } - ath10k_warn(ar, "unknown encryption type %d\n", type); + ath10k_warn(ar, "unsupported encryption type %d\n", type); return 0; } +#define MICHAEL_MIC_LEN 8 + static int ath10k_htt_rx_crypto_tail_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: - case HTT_RX_MPDU_ENCRYPT_WEP128: - case HTT_RX_MPDU_ENCRYPT_WAPI: - return 0; + return IEEE80211_WEP_ICV_LEN; case HTT_RX_MPDU_ENCRYPT_TKIP_WITHOUT_MIC: case HTT_RX_MPDU_ENCRYPT_TKIP_WPA: - return 4; + return IEEE80211_TKIP_ICV_LEN; case HTT_RX_MPDU_ENCRYPT_AES_CCM_WPA2: - return 8; + return IEEE80211_CCMP_MIC_LEN; + case HTT_RX_MPDU_ENCRYPT_WEP128: + case HTT_RX_MPDU_ENCRYPT_WAPI: + break; } - ath10k_warn(ar, "unknown encryption type %d\n", type); + ath10k_warn(ar, "unsupported encryption type %d\n", type); return 0; } @@ -1427,7 +1433,7 @@ static void ath10k_htt_rx_frag_handler(struct ath10k_htt *htt, /* last fragment of TKIP frags has MIC */ if (!ieee80211_has_morefrags(hdr->frame_control) && enctype == HTT_RX_MPDU_ENCRYPT_TKIP_WPA) - trim += 8; + trim += MICHAEL_MIC_LEN; if (trim > msdu_head->len) { ath10k_warn(ar, "htt rx fragment: trailer longer than the frame itself? drop\n"); -- 2.30.2