From: Ryder Lee <ryder.lee@mediatek.com>
To: Felix Fietkau <nbd@nbd.name>,
Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Cc: Shayne Chen <shayne.chen@mediatek.com>,
<linux-wireless@vger.kernel.org>,
<linux-mediatek@lists.infradead.org>,
Ryder Lee <ryder.lee@mediatek.com>
Subject: [PATCH] mt76: mt7915: fix MT_CIPHER_BIP_CMAC_128 setkey
Date: Wed, 9 Dec 2020 00:39:04 +0800 [thread overview]
Message-ID: <fc6abcd810a74bb4e8568b0f46bfc851fdcfd800.1607445161.git.ryder.lee@mediatek.com> (raw)
MCU expects to set WLAN_CIPHER_SUITE_CCMP and WLAN_CIPHER_SUITE_AES_CMAC
at the same time, so adding an intermediate buffer for batch update.
Tested-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
---
.../net/wireless/mediatek/mt76/mt7915/mcu.c | 20 +++++++++++++------
.../wireless/mediatek/mt76/mt7915/mt7915.h | 7 +++++++
2 files changed, 21 insertions(+), 6 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index 6097653abda4..6f242d55dba3 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -1016,9 +1016,10 @@ int mt7915_mcu_add_bss_info(struct mt7915_phy *phy,
/** starec & wtbl **/
static int
-mt7915_mcu_sta_key_tlv(struct sk_buff *skb, struct ieee80211_key_conf *key,
- enum set_key_cmd cmd)
+mt7915_mcu_sta_key_tlv(struct mt7915_sta *msta, struct sk_buff *skb,
+ struct ieee80211_key_conf *key, enum set_key_cmd cmd)
{
+ struct mt7915_sta_key_conf *bip = &msta->bip;
struct sta_rec_sec *sec;
struct tlv *tlv;
u32 len = sizeof(*sec);
@@ -1038,22 +1039,23 @@ mt7915_mcu_sta_key_tlv(struct sk_buff *skb, struct ieee80211_key_conf *key,
sec_key = &sec->key[0];
sec_key->cipher_len = sizeof(*sec_key);
- sec_key->key_id = key->keyidx;
if (cipher == MT_CIPHER_BIP_CMAC_128) {
sec_key->cipher_id = MT_CIPHER_AES_CCMP;
+ sec_key->key_id = bip->keyidx;
sec_key->key_len = 16;
- memcpy(sec_key->key, key->key, 16);
+ memcpy(sec_key->key, bip->key, 16);
sec_key = &sec->key[1];
sec_key->cipher_id = MT_CIPHER_BIP_CMAC_128;
sec_key->cipher_len = sizeof(*sec_key);
sec_key->key_len = 16;
- memcpy(sec_key->key, key->key + 16, 16);
+ memcpy(sec_key->key, key->key, 16);
sec->n_cipher = 2;
} else {
sec_key->cipher_id = cipher;
+ sec_key->key_id = key->keyidx;
sec_key->key_len = key->keylen;
memcpy(sec_key->key, key->key, key->keylen);
@@ -1063,6 +1065,12 @@ mt7915_mcu_sta_key_tlv(struct sk_buff *skb, struct ieee80211_key_conf *key,
memcpy(sec_key->key + 24, key->key + 16, 8);
}
+ /* sotre key_conf for BIP batch update */
+ if (cipher == MT_CIPHER_AES_CCMP) {
+ memcpy(bip->key, key->key, key->keylen);
+ bip->keyidx = key->keyidx;
+ }
+
len -= sizeof(*sec_key);
sec->n_cipher = 1;
}
@@ -1088,7 +1096,7 @@ int mt7915_mcu_add_key(struct mt7915_dev *dev, struct ieee80211_vif *vif,
if (IS_ERR(skb))
return PTR_ERR(skb);
- ret = mt7915_mcu_sta_key_tlv(skb, key, cmd);
+ ret = mt7915_mcu_sta_key_tlv(msta, skb, key, cmd);
if (ret)
return ret;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
index 30e53a0f01fb..5bf76c74373f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
@@ -71,6 +71,11 @@ struct mt7915_sta_stats {
unsigned long jiffies;
};
+struct mt7915_sta_key_conf {
+ s8 keyidx;
+ u8 key[16];
+};
+
struct mt7915_sta {
struct mt76_wcid wcid; /* must be first */
@@ -84,6 +89,8 @@ struct mt7915_sta {
struct mt7915_sta_stats stats;
unsigned long ampdu_state;
+
+ struct mt7915_sta_key_conf bip;
};
struct mt7915_vif {
--
2.18.0
reply other threads:[~2020-12-08 16:39 UTC|newest]
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