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ath9k: Remove unused key xoring 

This is not used anywhere in ath9k and is just making the code more
confusing.

Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Jouni Malinen 2009-03-02 18:15:53 +02:00 committed by John W. Linville
parent 672903b329
commit e0caf9eaae
4 changed files with 8 additions and 13 deletions
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15
drivers/net/wireless/ath9k/hw.c
View File

@ -2415,14 +2415,11 @@ bool ath9k_hw_keysetmac(struct ath_hw *ah, u16 entry, const u8 *mac)
bool ath9k_hw_set_keycache_entry(struct ath_hw *ah, u16 entry,
const struct ath9k_keyval *k,
const u8 *mac, int xorKey)
const u8 *mac)
{
const struct ath9k_hw_capabilities *pCap = &ah->caps;
u32 key0, key1, key2, key3, key4;
u32 keyType;
u32 xorMask = xorKey ?
(ATH9K_KEY_XOR << 24 | ATH9K_KEY_XOR << 16 | ATH9K_KEY_XOR << 8
| ATH9K_KEY_XOR) : 0;
if (entry >= pCap->keycache_size) {
DPRINTF(ah->ah_sc, ATH_DBG_KEYCACHE,
@ -2474,11 +2471,11 @@ bool ath9k_hw_set_keycache_entry(struct ath_hw *ah, u16 entry,
return false;
}
key0 = get_unaligned_le32(k->kv_val + 0) ^ xorMask;
key1 = (get_unaligned_le16(k->kv_val + 4) ^ xorMask) & 0xffff;
key2 = get_unaligned_le32(k->kv_val + 6) ^ xorMask;
key3 = (get_unaligned_le16(k->kv_val + 10) ^ xorMask) & 0xffff;
key4 = get_unaligned_le32(k->kv_val + 12) ^ xorMask;
key0 = get_unaligned_le32(k->kv_val + 0);
key1 = get_unaligned_le16(k->kv_val + 4);
key2 = get_unaligned_le32(k->kv_val + 6);
key3 = get_unaligned_le16(k->kv_val + 10);
key4 = get_unaligned_le32(k->kv_val + 12);
if (k->kv_len <= LEN_WEP104)
key4 &= 0xff;

2
drivers/net/wireless/ath9k/hw.h
View File

@ -584,7 +584,7 @@ bool ath9k_hw_keyreset(struct ath_hw *ah, u16 entry);
bool ath9k_hw_keysetmac(struct ath_hw *ah, u16 entry, const u8 *mac);
bool ath9k_hw_set_keycache_entry(struct ath_hw *ah, u16 entry,
const struct ath9k_keyval *k,
const u8 *mac, int xorKey);
const u8 *mac);
bool ath9k_hw_keyisvalid(struct ath_hw *ah, u16 entry);
/* GPIO / RFKILL / Antennae */

2
drivers/net/wireless/ath9k/main.c
View File

@ -642,7 +642,7 @@ static int ath_keyset(struct ath_softc *sc, u16 keyix,
bool status;
status = ath9k_hw_set_keycache_entry(sc->sc_ah,
keyix, hk, mac, false);
keyix, hk, mac);
return status != false;
}

2
drivers/net/wireless/ath9k/phy.h
View File

@ -559,8 +559,6 @@ bool ath9k_hw_init_rf(struct ath_hw *ah,
} \
} while (0)
#define ATH9K_KEY_XOR 0xaa
#define ATH9K_IS_MIC_ENABLED(ah) \
((ah)->sta_id1_defaults & AR_STA_ID1_CRPT_MIC_ENABLE)