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authorIgor Perminov <igor.perminov@inbox.ru>2009-08-08 23:55:55 +0200
committerJohn W. Linville <linville@tuxdriver.com>2009-08-14 09:13:53 -0400
commit1afcfd54fdf913017c07fa1ee497141a7958991d (patch)
tree38e9bfc5af6ad83b014a795f6bf4623cd9083e40 /drivers
parent17512dc3b7fc9ff1a60d3748ce87c323df507c3d (diff)
rt2x00: FIF_PSPOLL filter flag support
This patch implements FIF_PSPOLL filter flag support in rt2x00 drivers, which has been introduced in mac80211 (see http://marc.info/?l=linux-wireless&m=124897986330807&w=2). Signed-off-by: Igor Perminov <igor.perminov@inbox.ru> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/rt2x00/rt2800usb.c9
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00.h2
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00mac.c17
-rw-r--r--drivers/net/wireless/rt2x00/rt61pci.c8
-rw-r--r--drivers/net/wireless/rt2x00/rt73usb.c8
5 files changed, 41 insertions, 3 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 9efb4171050..2de0389d823 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -518,7 +518,7 @@ static void rt2800usb_config_filter(struct rt2x00_dev *rt2x00dev,
rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_RTS,
!(filter_flags & FIF_CONTROL));
rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PSPOLL,
- !(filter_flags & FIF_CONTROL));
+ !(filter_flags & FIF_PSPOLL));
rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BA, 1);
rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BAR, 0);
rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CNTL,
@@ -2624,6 +2624,13 @@ static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
return retval;
/*
+ * This device has multiple filters for control frames
+ * and has a separate filter for PS Poll frames.
+ */
+ __set_bit(DRIVER_SUPPORT_CONTROL_FILTERS, &rt2x00dev->flags);
+ __set_bit(DRIVER_SUPPORT_CONTROL_FILTER_PSPOLL, &rt2x00dev->flags);
+
+ /*
* This device requires firmware.
*/
__set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags);
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index 7c74c4efcb0..5bc100db28d 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -624,6 +624,8 @@ enum rt2x00_flags {
*/
CONFIG_SUPPORT_HW_BUTTON,
CONFIG_SUPPORT_HW_CRYPTO,
+ DRIVER_SUPPORT_CONTROL_FILTERS,
+ DRIVER_SUPPORT_CONTROL_FILTER_PSPOLL,
/*
* Driver configuration
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index 74451f9672d..cb7b6d45933 100644
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -392,6 +392,7 @@ void rt2x00mac_configure_filter(struct ieee80211_hw *hw,
FIF_FCSFAIL |
FIF_PLCPFAIL |
FIF_CONTROL |
+ FIF_PSPOLL |
FIF_OTHER_BSS |
FIF_PROMISC_IN_BSS;
@@ -407,6 +408,22 @@ void rt2x00mac_configure_filter(struct ieee80211_hw *hw,
*total_flags |= FIF_PROMISC_IN_BSS | FIF_OTHER_BSS;
/*
+ * If the device has a single filter for all control frames,
+ * FIF_CONTROL and FIF_PSPOLL flags imply each other.
+ * And if the device has more than one filter for control frames
+ * of different types, but has no a separate filter for PS Poll frames,
+ * FIF_CONTROL flag implies FIF_PSPOLL.
+ */
+ if (!test_bit(DRIVER_SUPPORT_CONTROL_FILTERS, &rt2x00dev->flags)) {
+ if (*total_flags & FIF_CONTROL || *total_flags & FIF_PSPOLL)
+ *total_flags |= FIF_CONTROL | FIF_PSPOLL;
+ }
+ if (!test_bit(DRIVER_SUPPORT_CONTROL_FILTER_PSPOLL, &rt2x00dev->flags)) {
+ if (*total_flags & FIF_CONTROL)
+ *total_flags |= FIF_PSPOLL;
+ }
+
+ /*
* Check if there is any work left for us.
*/
if (rt2x00dev->packet_filter == *total_flags)
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index e20dd7431f2..3447997fc71 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -530,7 +530,7 @@ static void rt61pci_config_filter(struct rt2x00_dev *rt2x00dev,
rt2x00_set_field32(&reg, TXRX_CSR0_DROP_PHYSICAL,
!(filter_flags & FIF_PLCPFAIL));
rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CONTROL,
- !(filter_flags & FIF_CONTROL));
+ !(filter_flags & (FIF_CONTROL | FIF_PSPOLL)));
rt2x00_set_field32(&reg, TXRX_CSR0_DROP_NOT_TO_ME,
!(filter_flags & FIF_PROMISC_IN_BSS));
rt2x00_set_field32(&reg, TXRX_CSR0_DROP_TO_DS,
@@ -2624,6 +2624,12 @@ static int rt61pci_probe_hw(struct rt2x00_dev *rt2x00dev)
return retval;
/*
+ * This device has multiple filters for control frames,
+ * but has no a separate filter for PS Poll frames.
+ */
+ __set_bit(DRIVER_SUPPORT_CONTROL_FILTERS, &rt2x00dev->flags);
+
+ /*
* This device requires firmware and DMA mapped skbs.
*/
__set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags);
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index 4f9b1772e1a..4b9955b1c70 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -493,7 +493,7 @@ static void rt73usb_config_filter(struct rt2x00_dev *rt2x00dev,
rt2x00_set_field32(&reg, TXRX_CSR0_DROP_PHYSICAL,
!(filter_flags & FIF_PLCPFAIL));
rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CONTROL,
- !(filter_flags & FIF_CONTROL));
+ !(filter_flags & (FIF_CONTROL | FIF_PSPOLL)));
rt2x00_set_field32(&reg, TXRX_CSR0_DROP_NOT_TO_ME,
!(filter_flags & FIF_PROMISC_IN_BSS));
rt2x00_set_field32(&reg, TXRX_CSR0_DROP_TO_DS,
@@ -2144,6 +2144,12 @@ static int rt73usb_probe_hw(struct rt2x00_dev *rt2x00dev)
return retval;
/*
+ * This device has multiple filters for control frames,
+ * but has no a separate filter for PS Poll frames.
+ */
+ __set_bit(DRIVER_SUPPORT_CONTROL_FILTERS, &rt2x00dev->flags);
+
+ /*
* This device requires firmware.
*/
__set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags);