* [RFC PATCH] rt2x00: FIF_PSPOLL filter flag support
@ 2009-07-31 10:48 Igor Perminov
2009-07-31 10:59 ` Igor Perminov
0 siblings, 1 reply; 2+ messages in thread
From: Igor Perminov @ 2009-07-31 10:48 UTC (permalink / raw)
To: users; +Cc: linux-wireless
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>
---
drivers/net/wireless/rt2x00/rt2800usb.c | 9 ++++++++-
drivers/net/wireless/rt2x00/rt2x00.h | 6 ++++++
drivers/net/wireless/rt2x00/rt2x00mac.c | 17 +++++++++++++++++
drivers/net/wireless/rt2x00/rt61pci.c | 8 +++++++-
drivers/net/wireless/rt2x00/rt73usb.c | 8 +++++++-
5 files changed, 45 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 9efb417..569e904 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(®, RX_FILTER_CFG_DROP_RTS,
!(filter_flags & FIF_CONTROL));
rt2x00_set_field32(®, RX_FILTER_CFG_DROP_PSPOLL,
- !(filter_flags & FIF_CONTROL));
+ !(filter_flags & FIF_PSPOLL));
rt2x00_set_field32(®, RX_FILTER_CFG_DROP_BA, 1);
rt2x00_set_field32(®, RX_FILTER_CFG_DROP_BAR, 0);
rt2x00_set_field32(®, 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_HAS_MULTIPLE_CONTROL_FILTER, &rt2x00dev->flags);
+ __set_bit(DRIVER_HAS_PSPOLL_FILTER, &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 cbec91e..b958e0d 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -607,6 +607,12 @@ enum rt2x00_flags {
DRIVER_REQUIRE_L2PAD,
/*
+ * Driver capabilities
+ */
+ DRIVER_HAS_MULTIPLE_CONTROL_FILTER,
+ DRIVER_HAS_PSPOLL_FILTER,
+
+ /*
* Driver features
*/
CONFIG_SUPPORT_HW_BUTTON,
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index e92c8f9..eba168d 100644
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -407,6 +407,7 @@ void rt2x00mac_configure_filter(struct ieee80211_hw *hw,
FIF_FCSFAIL |
FIF_PLCPFAIL |
FIF_CONTROL |
+ FIF_PSPOLL |
FIF_OTHER_BSS |
FIF_PROMISC_IN_BSS;
@@ -422,6 +423,22 @@ 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_HAS_MULTIPLE_CONTROL_FILTER, &rt2x00dev->flags)) {
+ if (*total_flags & FIF_CONTROL ||
+ *total_flags & FIF_PSPOLL)
+ *total_flags |= FIF_CONTROL | FIF_PSPOLL;
+ } else if (!test_bit(DRIVER_HAS_PSPOLL_FILTER, &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 fb95b8c..2f5a209 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(®, TXRX_CSR0_DROP_PHYSICAL,
!(filter_flags & FIF_PLCPFAIL));
rt2x00_set_field32(®, TXRX_CSR0_DROP_CONTROL,
- !(filter_flags & FIF_CONTROL));
+ !(filter_flags & (FIF_CONTROL | FIF_PSPOLL)));
rt2x00_set_field32(®, TXRX_CSR0_DROP_NOT_TO_ME,
!(filter_flags & FIF_PROMISC_IN_BSS));
rt2x00_set_field32(®, TXRX_CSR0_DROP_TO_DS,
@@ -2619,6 +2619,12 @@ 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_HAS_MULTIPLE_CONTROL_FILTER, &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 4f9b177..a89fcb7 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(®, TXRX_CSR0_DROP_PHYSICAL,
!(filter_flags & FIF_PLCPFAIL));
rt2x00_set_field32(®, TXRX_CSR0_DROP_CONTROL,
- !(filter_flags & FIF_CONTROL));
+ !(filter_flags & (FIF_CONTROL | FIF_PSPOLL)));
rt2x00_set_field32(®, TXRX_CSR0_DROP_NOT_TO_ME,
!(filter_flags & FIF_PROMISC_IN_BSS));
rt2x00_set_field32(®, 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_HAS_MULTIPLE_CONTROL_FILTER, &rt2x00dev->flags);
+
+ /*
* This device requires firmware.
*/
__set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags);
^ permalink raw reply related [flat|nested] 2+ messages in thread
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2009-07-31 10:48 [RFC PATCH] rt2x00: FIF_PSPOLL filter flag support Igor Perminov
2009-07-31 10:59 ` Igor Perminov
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