zd1211rw: support for mesh interface and beaconing

index db96adf..0acb5c3 100644
@@ -809,6 +809,7 @@ static int hw_init_hmac(struct zd_chip *chip)
 		{ CR_AFTER_PNP,			0x1 },
 		{ CR_WEP_PROTECT,		0x114 },
 		{ CR_IFS_VALUE,			IFS_VALUE_DEFAULT },
+		{ CR_CAM_MODE,			MODE_AP_WDS},
 	};
 
 	ZD_ASSERT(mutex_is_locked(&chip->mutex));

index 5b6e3a3..f8c061a 100644
@@ -489,6 +489,7 @@ enum {
 
 #define CR_RX_OFFSET			CTL_REG(0x065c)
 
+#define CR_BCN_LENGTH			CTL_REG(0x0664)
 #define CR_PHY_DELAY			CTL_REG(0x066C)
 #define CR_BCN_FIFO			CTL_REG(0x0670)
 #define CR_SNIFFER_ON			CTL_REG(0x0674)

@@ -545,6 +546,8 @@ enum {
 #define RX_FILTER_CTRL (RX_FILTER_RTS | RX_FILTER_CTS | \
 	RX_FILTER_CFEND | RX_FILTER_CFACK)
 
+#define BCN_MODE_IBSS			0x2000000
+
 /* Monitor mode sets filter to 0xfffff */
 
 #define CR_ACK_TIMEOUT_EXT		CTL_REG(0x0690)

@@ -578,6 +581,11 @@ enum {
 
 /* CAM: Continuous Access Mode (power management) */
 #define CR_CAM_MODE			CTL_REG(0x0700)
+#define MODE_IBSS			0x0
+#define MODE_AP				0x1
+#define MODE_STA			0x2
+#define MODE_AP_WDS			0x3
+
 #define CR_CAM_ROLL_TB_LOW		CTL_REG(0x0704)
 #define CR_CAM_ROLL_TB_HIGH		CTL_REG(0x0708)
 #define CR_CAM_ADDRESS			CTL_REG(0x070C)

113 lines not on this page · raw message

index 67dea97..7117024 100644
@@ -172,12 +172,15 @@ struct zd_tx_skb_control_block {
 struct zd_mac {
 	struct zd_chip chip;
 	spinlock_t lock;
+	spinlock_t intr_lock;
 	struct ieee80211_hw *hw;
 	struct housekeeping housekeeping;
 	struct work_struct set_multicast_hash_work;
 	struct work_struct set_rts_cts_work;
 	struct work_struct set_rx_filter_work;
+	struct work_struct process_intr;
 	struct zd_mc_hash multicast_hash;
+	u8 intr_buffer[USB_MAX_EP_INT_BUFFER];
 	u8 regdomain;
 	u8 default_regdomain;
 	int type;

index 7942b15..e34675c 100644
@@ -97,6 +97,7 @@ MODULE_DEVICE_TABLE(usb, usb_ids);
 #define FW_ZD1211B_PREFIX	"zd1211/zd1211b_"
 
 /* USB device initialization */
+static void int_urb_complete(struct urb *urb);
 
 static int request_fw_file(
 	const struct firmware **fw, const char *name, struct device *device)

@@ -336,11 +337,18 @@ static inline void handle_regs_int(struct urb *urb)
 	struct zd_usb *usb = urb->context;
 	struct zd_usb_interrupt *intr = &usb->intr;
 	int len;
+	u16 int_num;
 
 	ZD_ASSERT(in_interrupt());
 	spin_lock(&intr->lock);
 
-	if (intr->read_regs_enabled) {
+	int_num = le16_to_cpu(*(u16 *)(urb->transfer_buffer+2));
+	if (int_num == CR_INTERRUPT) {
+		struct zd_mac *mac = zd_hw_mac(zd_usb_to_hw(urb->context));
+		memcpy(&mac->intr_buffer, urb->transfer_buffer,
+				USB_MAX_EP_INT_BUFFER);
+		schedule_work(&mac->process_intr);
+	} else if (intr->read_regs_enabled) {
 		intr->read_regs.length = len = urb->actual_length;
 
 		if (len > sizeof(intr->read_regs.buffer))

@@ -351,7 +359,6 @@ static inline void handle_regs_int(struct urb *urb)
 		goto out;
 	}
 
-	dev_dbg_f(urb_dev(urb), "regs interrupt ignored\n");
 out:
 	spin_unlock(&intr->lock);
 }