zd1211rw: port to mac80211

This seems to be working smoothly now. Let's not hold back the mac80211
transition any further. This patch ports the existing driver from softmac
to mac80211.

Many thanks to everyone who helped out with the porting efforts.

Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 33 insertions, 22 deletions

diff --git a/drivers/net/wireless/zd1211rw/zd_chip.h b/drivers/net/wireless/zd1211rw/zd_chip.h
index 8009b70213e..a88a5693223 100644
--- a/drivers/net/wireless/zd1211rw/zd_chip.h
+++ b/drivers/net/wireless/zd1211rw/zd_chip.h
@@ -433,9 +433,10 @@ enum {
 #define CR_GROUP_HASH_P2		CTL_REG(0x0628)
 
 #define CR_RX_TIMEOUT			CTL_REG(0x062C)
+
 /* Basic rates supported by the BSS. When producing ACK or CTS messages, the
  * device will use a rate in this table that is less than or equal to the rate
- * of the incoming frame which prompted the response */
+ * of the incoming frame which prompted the response. */
 #define CR_BASIC_RATE_TBL		CTL_REG(0x0630)
 #define CR_RATE_1M	(1 <<  0)	/* 802.11b */
 #define CR_RATE_2M	(1 <<  1)	/* 802.11b */
@@ -509,14 +510,37 @@ enum {
 #define CR_UNDERRUN_CNT			CTL_REG(0x0688)
 
 #define CR_RX_FILTER			CTL_REG(0x068c)
+#define RX_FILTER_ASSOC_REQUEST		(1 <<  0)
 #define RX_FILTER_ASSOC_RESPONSE	(1 <<  1)
+#define RX_FILTER_REASSOC_REQUEST	(1 <<  2)
 #define RX_FILTER_REASSOC_RESPONSE	(1 <<  3)
+#define RX_FILTER_PROBE_REQUEST		(1 <<  4)
 #define RX_FILTER_PROBE_RESPONSE	(1 <<  5)
+/* bits 6 and 7 reserved */
 #define RX_FILTER_BEACON		(1 <<  8)
+#define RX_FILTER_ATIM			(1 <<  9)
 #define RX_FILTER_DISASSOC		(1 << 10)
 #define RX_FILTER_AUTH			(1 << 11)
-#define AP_RX_FILTER			0x0400feff
-#define STA_RX_FILTER			0x0000ffff
+#define RX_FILTER_DEAUTH		(1 << 12)
+#define RX_FILTER_PSPOLL		(1 << 26)
+#define RX_FILTER_RTS			(1 << 27)
+#define RX_FILTER_CTS			(1 << 28)
+#define RX_FILTER_ACK			(1 << 29)
+#define RX_FILTER_CFEND			(1 << 30)
+#define RX_FILTER_CFACK			(1 << 31)
+
+/* Enable bits for all frames you are interested in. */
+#define STA_RX_FILTER	(RX_FILTER_ASSOC_REQUEST | RX_FILTER_ASSOC_RESPONSE | \
+	RX_FILTER_REASSOC_REQUEST | RX_FILTER_REASSOC_RESPONSE | \
+	RX_FILTER_PROBE_REQUEST | RX_FILTER_PROBE_RESPONSE | \
+	(0x3 << 6) /* vendor driver sets these reserved bits */ | \
+	RX_FILTER_BEACON | RX_FILTER_ATIM | RX_FILTER_DISASSOC | \
+	RX_FILTER_AUTH | RX_FILTER_DEAUTH | \
+	(0x7 << 13) /* vendor driver sets these reserved bits */ | \
+	RX_FILTER_PSPOLL | RX_FILTER_ACK) /* 0x2400ffff */
+
+#define RX_FILTER_CTRL (RX_FILTER_RTS | RX_FILTER_CTS | \
+	RX_FILTER_CFEND | RX_FILTER_CFACK)
 
 /* Monitor mode sets filter to 0xfffff */
 
@@ -730,7 +754,7 @@ static inline struct zd_chip *zd_rf_to_chip(struct zd_rf *rf)
 #define zd_chip_dev(chip) (&(chip)->usb.intf->dev)
 
 void zd_chip_init(struct zd_chip *chip,
-	         struct net_device *netdev,
+	         struct ieee80211_hw *hw,
 	         struct usb_interface *intf);
 void zd_chip_clear(struct zd_chip *chip);
 int zd_chip_read_mac_addr_fw(struct zd_chip *chip, u8 *addr);
@@ -835,14 +859,12 @@ int zd_chip_switch_radio_on(struct zd_chip *chip);
 int zd_chip_switch_radio_off(struct zd_chip *chip);
 int zd_chip_enable_int(struct zd_chip *chip);
 void zd_chip_disable_int(struct zd_chip *chip);
-int zd_chip_enable_rx(struct zd_chip *chip);
-void zd_chip_disable_rx(struct zd_chip *chip);
+int zd_chip_enable_rxtx(struct zd_chip *chip);
+void zd_chip_disable_rxtx(struct zd_chip *chip);
 int zd_chip_enable_hwint(struct zd_chip *chip);
 int zd_chip_disable_hwint(struct zd_chip *chip);
 int zd_chip_generic_patch_6m_band(struct zd_chip *chip, int channel);
-
-int zd_chip_set_rts_cts_rate_locked(struct zd_chip *chip,
-	u8 rts_rate, int preamble);
+int zd_chip_set_rts_cts_rate_locked(struct zd_chip *chip, int preamble);
 
 static inline int zd_get_encryption_type(struct zd_chip *chip, u32 *type)
 {
@@ -859,17 +881,7 @@ static inline int zd_chip_get_basic_rates(struct zd_chip *chip, u16 *cr_rates)
 	return zd_ioread16(chip, CR_BASIC_RATE_TBL, cr_rates);
 }
 
-int zd_chip_set_basic_rates_locked(struct zd_chip *chip, u16 cr_rates);
-
-static inline int zd_chip_set_basic_rates(struct zd_chip *chip, u16 cr_rates)
-{
-	int r;
-
-	mutex_lock(&chip->mutex);
-	r = zd_chip_set_basic_rates_locked(chip, cr_rates);
-	mutex_unlock(&chip->mutex);
-	return r;
-}
+int zd_chip_set_basic_rates(struct zd_chip *chip, u16 cr_rates);
 
 int zd_chip_lock_phy_regs(struct zd_chip *chip);
 int zd_chip_unlock_phy_regs(struct zd_chip *chip);
@@ -893,9 +905,8 @@ struct rx_status;
 
 u8 zd_rx_qual_percent(const void *rx_frame, unsigned int size,
 	               const struct rx_status *status);
-u8 zd_rx_strength_percent(u8 rssi);
 
-u16 zd_rx_rate(const void *rx_frame, const struct rx_status *status);
+u8 zd_rx_rate(const void *rx_frame, const struct rx_status *status);
 
 struct zd_mc_hash {
 	u32 low;