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37 lines
1.1 KiB
Diff
37 lines
1.1 KiB
Diff
--- a/drivers/net/wireless/ath/ath9k/hw.c
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+++ b/drivers/net/wireless/ath/ath9k/hw.c
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@@ -1497,6 +1497,7 @@ EXPORT_SYMBOL(ath9k_hw_keyreset);
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bool ath9k_hw_keysetmac(struct ath_hw *ah, u16 entry, const u8 *mac)
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{
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u32 macHi, macLo;
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+ u32 unicast_flag = AR_KEYTABLE_VALID;
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if (entry >= ah->caps.keycache_size) {
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ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
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@@ -1505,6 +1506,16 @@ bool ath9k_hw_keysetmac(struct ath_hw *a
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}
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if (mac != NULL) {
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+ /*
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+ * AR_KEYTABLE_VALID indicates that the address is a unicast
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+ * address, which must match the transmitter address for
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+ * decrypting frames.
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+ * Not setting this bit allows the hardware to use the key
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+ * for multicast frame decryption.
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+ */
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+ if (mac[0] & 0x01)
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+ unicast_flag = 0;
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+
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macHi = (mac[5] << 8) | mac[4];
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macLo = (mac[3] << 24) |
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(mac[2] << 16) |
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@@ -1517,7 +1528,7 @@ bool ath9k_hw_keysetmac(struct ath_hw *a
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macLo = macHi = 0;
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}
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REG_WRITE(ah, AR_KEYTABLE_MAC0(entry), macLo);
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- REG_WRITE(ah, AR_KEYTABLE_MAC1(entry), macHi | AR_KEYTABLE_VALID);
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+ REG_WRITE(ah, AR_KEYTABLE_MAC1(entry), macHi | unicast_flag);
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return true;
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}
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