From 5e07021e434a64c454b0e9fb9f5aa763f131b22b Mon Sep 17 00:00:00 2001 From: Dai Shuibing Date: Thu, 3 Nov 2011 11:39:37 +0200 Subject: [PATCH] ath6kl: Add support for configuring SMS4 keys Indicate support for WPI-SMS4 cipher and allow SMS4 keys to be configured. Signed-off-by: Dai Shuibing Signed-off-by: Jouni Malinen Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath6kl/cfg80211.c | 18 ++++++++++++++++-- drivers/net/wireless/ath/ath6kl/common.h | 1 + 2 files changed, 17 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c index 4d1394a3dc19..d2b23da8bdd6 100644 --- a/drivers/net/wireless/ath/ath6kl/cfg80211.c +++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c @@ -203,6 +203,10 @@ static int ath6kl_set_cipher(struct ath6kl_vif *vif, u32 cipher, bool ucast) *ar_cipher = AES_CRYPT; *ar_cipher_len = 0; break; + case WLAN_CIPHER_SUITE_SMS4: + *ar_cipher = WAPI_CRYPT; + *ar_cipher_len = 0; + break; default: ath6kl_err("cipher 0x%x not supported\n", cipher); return -ENOTSUPP; @@ -935,13 +939,19 @@ static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, key_usage = GROUP_USAGE; if (params) { + int seq_len = params->seq_len; + if (params->cipher == WLAN_CIPHER_SUITE_SMS4 && + seq_len > ATH6KL_KEY_SEQ_LEN) { + /* Only first half of the WPI PN is configured */ + seq_len = ATH6KL_KEY_SEQ_LEN; + } if (params->key_len > WLAN_MAX_KEY_LEN || - params->seq_len > sizeof(key->seq)) + seq_len > sizeof(key->seq)) return -EINVAL; key->key_len = params->key_len; memcpy(key->key, params->key, key->key_len); - key->seq_len = params->seq_len; + key->seq_len = seq_len; memcpy(key->seq, params->seq, key->seq_len); key->cipher = params->cipher; } @@ -959,6 +969,9 @@ static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, case WLAN_CIPHER_SUITE_CCMP: key_type = AES_CRYPT; break; + case WLAN_CIPHER_SUITE_SMS4: + key_type = WAPI_CRYPT; + break; default: return -ENOTSUPP; @@ -1451,6 +1464,7 @@ static const u32 cipher_suites[] = { WLAN_CIPHER_SUITE_TKIP, WLAN_CIPHER_SUITE_CCMP, CCKM_KRK_CIPHER_SUITE, + WLAN_CIPHER_SUITE_SMS4, }; static bool is_rate_legacy(s32 rate) diff --git a/drivers/net/wireless/ath/ath6kl/common.h b/drivers/net/wireless/ath/ath6kl/common.h index 41e465f29e63..bfd6597763da 100644 --- a/drivers/net/wireless/ath/ath6kl/common.h +++ b/drivers/net/wireless/ath/ath6kl/common.h @@ -71,6 +71,7 @@ enum crypto_type { WEP_CRYPT = 0x02, TKIP_CRYPT = 0x04, AES_CRYPT = 0x08, + WAPI_CRYPT = 0x10, }; struct htc_endpoint_credit_dist; -- 2.30.2