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path: root/drivers/net/wireless/ath/ath9k/mac.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/mac.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/mac.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index 51ce36f108f9..275205ab5f15 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -958,3 +958,25 @@ void ath9k_hw_set_interrupts(struct ath_hw *ah)
return;
}
EXPORT_SYMBOL(ath9k_hw_set_interrupts);
+
+#define ATH9K_HW_MAX_DCU 10
+#define ATH9K_HW_SLICE_PER_DCU 16
+#define ATH9K_HW_BIT_IN_SLICE 16
+void ath9k_hw_set_tx_filter(struct ath_hw *ah, u8 destidx, bool set)
+{
+ int dcu_idx;
+ u32 filter;
+
+ for (dcu_idx = 0; dcu_idx < 10; dcu_idx++) {
+ filter = SM(set, AR_D_TXBLK_WRITE_COMMAND);
+ filter |= SM(dcu_idx, AR_D_TXBLK_WRITE_DCU);
+ filter |= SM((destidx / ATH9K_HW_SLICE_PER_DCU),
+ AR_D_TXBLK_WRITE_SLICE);
+ filter |= BIT(destidx % ATH9K_HW_BIT_IN_SLICE);
+ ath_dbg(ath9k_hw_common(ah), PS,
+ "DCU%d staid %d set %d txfilter %08x\n",
+ dcu_idx, destidx, set, filter);
+ REG_WRITE(ah, AR_D_TXBLK_BASE, filter);
+ }
+}
+EXPORT_SYMBOL(ath9k_hw_set_tx_filter);