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Diffstat (limited to 'drivers/net/wireless/zd1211rw')
-rw-r--r--drivers/net/wireless/zd1211rw/zd_chip.c186
-rw-r--r--drivers/net/wireless/zd1211rw/zd_chip.h168
-rw-r--r--drivers/net/wireless/zd1211rw/zd_def.h1
-rw-r--r--drivers/net/wireless/zd1211rw/zd_ieee80211.c10
-rw-r--r--drivers/net/wireless/zd1211rw/zd_ieee80211.h3
-rw-r--r--drivers/net/wireless/zd1211rw/zd_mac.c487
-rw-r--r--drivers/net/wireless/zd1211rw/zd_mac.h42
-rw-r--r--drivers/net/wireless/zd1211rw/zd_netdev.c17
-rw-r--r--drivers/net/wireless/zd1211rw/zd_usb.c59
-rw-r--r--drivers/net/wireless/zd1211rw/zd_usb.h16
10 files changed, 645 insertions, 344 deletions
diff --git a/drivers/net/wireless/zd1211rw/zd_chip.c b/drivers/net/wireless/zd1211rw/zd_chip.c
index 7c4e32cf0d4..77e11ddad83 100644
--- a/drivers/net/wireless/zd1211rw/zd_chip.c
+++ b/drivers/net/wireless/zd1211rw/zd_chip.c
@@ -249,7 +249,6 @@ int zd_ioread16(struct zd_chip *chip, zd_addr_t addr, u16 *value)
{
int r;
- ZD_ASSERT(!mutex_is_locked(&chip->mutex));
mutex_lock(&chip->mutex);
r = zd_ioread16_locked(chip, value, addr);
mutex_unlock(&chip->mutex);
@@ -260,7 +259,6 @@ int zd_ioread32(struct zd_chip *chip, zd_addr_t addr, u32 *value)
{
int r;
- ZD_ASSERT(!mutex_is_locked(&chip->mutex));
mutex_lock(&chip->mutex);
r = zd_ioread32_locked(chip, value, addr);
mutex_unlock(&chip->mutex);
@@ -271,7 +269,6 @@ int zd_iowrite16(struct zd_chip *chip, zd_addr_t addr, u16 value)
{
int r;
- ZD_ASSERT(!mutex_is_locked(&chip->mutex));
mutex_lock(&chip->mutex);
r = zd_iowrite16_locked(chip, value, addr);
mutex_unlock(&chip->mutex);
@@ -282,7 +279,6 @@ int zd_iowrite32(struct zd_chip *chip, zd_addr_t addr, u32 value)
{
int r;
- ZD_ASSERT(!mutex_is_locked(&chip->mutex));
mutex_lock(&chip->mutex);
r = zd_iowrite32_locked(chip, value, addr);
mutex_unlock(&chip->mutex);
@@ -294,7 +290,6 @@ int zd_ioread32v(struct zd_chip *chip, const zd_addr_t *addresses,
{
int r;
- ZD_ASSERT(!mutex_is_locked(&chip->mutex));
mutex_lock(&chip->mutex);
r = zd_ioread32v_locked(chip, values, addresses, count);
mutex_unlock(&chip->mutex);
@@ -306,7 +301,6 @@ int zd_iowrite32a(struct zd_chip *chip, const struct zd_ioreq32 *ioreqs,
{
int r;
- ZD_ASSERT(!mutex_is_locked(&chip->mutex));
mutex_lock(&chip->mutex);
r = zd_iowrite32a_locked(chip, ioreqs, count);
mutex_unlock(&chip->mutex);
@@ -331,13 +325,22 @@ static int read_pod(struct zd_chip *chip, u8 *rf_type)
chip->patch_cr157 = (value >> 13) & 0x1;
chip->patch_6m_band_edge = (value >> 21) & 0x1;
chip->new_phy_layout = (value >> 31) & 0x1;
+ chip->link_led = ((value >> 4) & 1) ? LED1 : LED2;
+ chip->supports_tx_led = 1;
+ if (value & (1 << 24)) { /* LED scenario */
+ if (value & (1 << 29))
+ chip->supports_tx_led = 0;
+ }
dev_dbg_f(zd_chip_dev(chip),
"RF %s %#01x PA type %#01x patch CCK %d patch CR157 %d "
- "patch 6M %d new PHY %d\n",
+ "patch 6M %d new PHY %d link LED%d tx led %d\n",
zd_rf_name(*rf_type), *rf_type,
chip->pa_type, chip->patch_cck_gain,
- chip->patch_cr157, chip->patch_6m_band_edge, chip->new_phy_layout);
+ chip->patch_cr157, chip->patch_6m_band_edge,
+ chip->new_phy_layout,
+ chip->link_led == LED1 ? 1 : 2,
+ chip->supports_tx_led);
return 0;
error:
*rf_type = 0;
@@ -1073,6 +1076,31 @@ static int set_mandatory_rates(struct zd_chip *chip, enum ieee80211_std std)
return zd_iowrite32_locked(chip, rates, CR_MANDATORY_RATE_TBL);
}
+int zd_chip_set_rts_cts_rate_locked(struct zd_chip *chip,
+ u8 rts_rate, int preamble)
+{
+ int rts_mod = ZD_RX_CCK;
+ u32 value = 0;
+
+ /* Modulation bit */
+ if (ZD_CS_TYPE(rts_rate) == ZD_CS_OFDM)
+ rts_mod = ZD_RX_OFDM;
+
+ dev_dbg_f(zd_chip_dev(chip), "rts_rate=%x preamble=%x\n",
+ rts_rate, preamble);
+
+ value |= rts_rate << RTSCTS_SH_RTS_RATE;
+ value |= rts_mod << RTSCTS_SH_RTS_MOD_TYPE;
+ value |= preamble << RTSCTS_SH_RTS_PMB_TYPE;
+ value |= preamble << RTSCTS_SH_CTS_PMB_TYPE;
+
+ /* We always send 11M self-CTS messages, like the vendor driver. */
+ value |= ZD_CCK_RATE_11M << RTSCTS_SH_CTS_RATE;
+ value |= ZD_RX_CCK << RTSCTS_SH_CTS_MOD_TYPE;
+
+ return zd_iowrite32_locked(chip, value, CR_RTS_CTS_RATE);
+}
+
int zd_chip_enable_hwint(struct zd_chip *chip)
{
int r;
@@ -1181,7 +1209,7 @@ static int update_pwr_int(struct zd_chip *chip, u8 channel)
u8 value = chip->pwr_int_values[channel - 1];
dev_dbg_f(zd_chip_dev(chip), "channel %d pwr_int %#04x\n",
channel, value);
- return zd_iowrite32_locked(chip, value, CR31);
+ return zd_iowrite16_locked(chip, value, CR31);
}
static int update_pwr_cal(struct zd_chip *chip, u8 channel)
@@ -1189,12 +1217,12 @@ static int update_pwr_cal(struct zd_chip *chip, u8 channel)
u8 value = chip->pwr_cal_values[channel-1];
dev_dbg_f(zd_chip_dev(chip), "channel %d pwr_cal %#04x\n",
channel, value);
- return zd_iowrite32_locked(chip, value, CR68);
+ return zd_iowrite16_locked(chip, value, CR68);
}
static int update_ofdm_cal(struct zd_chip *chip, u8 channel)
{
- struct zd_ioreq32 ioreqs[3];
+ struct zd_ioreq16 ioreqs[3];
ioreqs[0].addr = CR67;
ioreqs[0].value = chip->ofdm_cal_values[OFDM_36M_INDEX][channel-1];
@@ -1206,7 +1234,7 @@ static int update_ofdm_cal(struct zd_chip *chip, u8 channel)
dev_dbg_f(zd_chip_dev(chip),
"channel %d ofdm_cal 36M %#04x 48M %#04x 54M %#04x\n",
channel, ioreqs[0].value, ioreqs[1].value, ioreqs[2].value);
- return zd_iowrite32a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
+ return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
}
static int update_channel_integration_and_calibration(struct zd_chip *chip,
@@ -1218,7 +1246,7 @@ static int update_channel_integration_and_calibration(struct zd_chip *chip,
if (r)
return r;
if (chip->is_zd1211b) {
- static const struct zd_ioreq32 ioreqs[] = {
+ static const struct zd_ioreq16 ioreqs[] = {
{ CR69, 0x28 },
{},
{ CR69, 0x2a },
@@ -1230,7 +1258,7 @@ static int update_channel_integration_and_calibration(struct zd_chip *chip,
r = update_pwr_cal(chip, channel);
if (r)
return r;
- r = zd_iowrite32a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
+ r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
if (r)
return r;
}
@@ -1252,7 +1280,7 @@ static int patch_cck_gain(struct zd_chip *chip)
if (r)
return r;
dev_dbg_f(zd_chip_dev(chip), "patching value %x\n", value & 0xff);
- return zd_iowrite32_locked(chip, value & 0xff, CR47);
+ return zd_iowrite16_locked(chip, value & 0xff, CR47);
}
int zd_chip_set_channel(struct zd_chip *chip, u8 channel)
@@ -1295,103 +1323,69 @@ u8 zd_chip_get_channel(struct zd_chip *chip)
return channel;
}
-static u16 led_mask(int led)
+int zd_chip_control_leds(struct zd_chip *chip, enum led_status status)
{
- switch (led) {
- case 1:
- return LED1;
- case 2:
- return LED2;
- default:
- return 0;
- }
-}
-
-static int read_led_reg(struct zd_chip *chip, u16 *status)
-{
- ZD_ASSERT(mutex_is_locked(&chip->mutex));
- return zd_ioread16_locked(chip, status, CR_LED);
-}
-
-static int write_led_reg(struct zd_chip *chip, u16 status)
-{
- ZD_ASSERT(mutex_is_locked(&chip->mutex));
- return zd_iowrite16_locked(chip, status, CR_LED);
-}
+ static const zd_addr_t a[] = {
+ FW_LINK_STATUS,
+ CR_LED,
+ };
-int zd_chip_led_status(struct zd_chip *chip, int led, enum led_status status)
-{
- int r, ret;
- u16 mask = led_mask(led);
- u16 reg;
+ int r;
+ u16 v[ARRAY_SIZE(a)];
+ struct zd_ioreq16 ioreqs[ARRAY_SIZE(a)] = {
+ [0] = { FW_LINK_STATUS },
+ [1] = { CR_LED },
+ };
+ u16 other_led;
- if (!mask)
- return -EINVAL;
mutex_lock(&chip->mutex);
- r = read_led_reg(chip, &reg);
+ r = zd_ioread16v_locked(chip, v, (const zd_addr_t *)a, ARRAY_SIZE(a));
if (r)
- return r;
+ goto out;
+
+ other_led = chip->link_led == LED1 ? LED2 : LED1;
+
switch (status) {
- case LED_STATUS:
- return (reg & mask) ? LED_ON : LED_OFF;
case LED_OFF:
- reg &= ~mask;
- ret = LED_OFF;
+ ioreqs[0].value = FW_LINK_OFF;
+ ioreqs[1].value = v[1] & ~(LED1|LED2);
break;
- case LED_FLIP:
- reg ^= mask;
- ret = (reg&mask) ? LED_ON : LED_OFF;
+ case LED_SCANNING:
+ ioreqs[0].value = FW_LINK_OFF;
+ ioreqs[1].value = v[1] & ~other_led;
+ if (get_seconds() % 3 == 0) {
+ ioreqs[1].value &= ~chip->link_led;
+ } else {
+ ioreqs[1].value |= chip->link_led;
+ }
break;
- case LED_ON:
- reg |= mask;
- ret = LED_ON;
+ case LED_ASSOCIATED:
+ ioreqs[0].value = FW_LINK_TX;
+ ioreqs[1].value = v[1] & ~other_led;
+ ioreqs[1].value |= chip->link_led;
break;
default:
- return -EINVAL;
- }
- r = write_led_reg(chip, reg);
- if (r) {
- ret = r;
+ r = -EINVAL;
goto out;
}
-out:
- mutex_unlock(&chip->mutex);
- return r;
-}
-
-int zd_chip_led_flip(struct zd_chip *chip, int led,
- const unsigned int *phases_msecs, unsigned int count)
-{
- int i, r;
- enum led_status status;
- r = zd_chip_led_status(chip, led, LED_STATUS);
- if (r)
- return r;
- status = r;
- for (i = 0; i < count; i++) {
- r = zd_chip_led_status(chip, led, LED_FLIP);
- if (r < 0)
+ if (v[0] != ioreqs[0].value || v[1] != ioreqs[1].value) {
+ r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
+ if (r)
goto out;
- msleep(phases_msecs[i]);
}
-
+ r = 0;
out:
- zd_chip_led_status(chip, led, status);
+ mutex_unlock(&chip->mutex);
return r;
}
-int zd_chip_set_basic_rates(struct zd_chip *chip, u16 cr_rates)
+int zd_chip_set_basic_rates_locked(struct zd_chip *chip, u16 cr_rates)
{
- int r;
-
- if (cr_rates & ~(CR_RATES_80211B|CR_RATES_80211G))
- return -EINVAL;
+ ZD_ASSERT((cr_rates & ~(CR_RATES_80211B | CR_RATES_80211G)) == 0);
+ dev_dbg_f(zd_chip_dev(chip), "%x\n", cr_rates);
- mutex_lock(&chip->mutex);
- r = zd_iowrite32_locked(chip, cr_rates, CR_BASIC_RATE_TBL);
- mutex_unlock(&chip->mutex);
- return r;
+ return zd_iowrite32_locked(chip, cr_rates, CR_BASIC_RATE_TBL);
}
static int ofdm_qual_db(u8 status_quality, u8 rate, unsigned int size)
@@ -1680,3 +1674,15 @@ int zd_rfwritev_cr_locked(struct zd_chip *chip,
return 0;
}
+int zd_chip_set_multicast_hash(struct zd_chip *chip,
+ struct zd_mc_hash *hash)
+{
+ struct zd_ioreq32 ioreqs[] = {
+ { CR_GROUP_HASH_P1, hash->low },
+ { CR_GROUP_HASH_P2, hash->high },
+ };
+
+ dev_dbg_f(zd_chip_dev(chip), "hash l 0x%08x h 0x%08x\n",
+ ioreqs[0].value, ioreqs[1].value);
+ return zd_iowrite32a(chip, ioreqs, ARRAY_SIZE(ioreqs));
+}
diff --git a/drivers/net/wireless/zd1211rw/zd_chip.h b/drivers/net/wireless/zd1211rw/zd_chip.h
index 4b125085989..a4e3cee9b59 100644
--- a/drivers/net/wireless/zd1211rw/zd_chip.h
+++ b/drivers/net/wireless/zd1211rw/zd_chip.h
@@ -337,24 +337,24 @@
#define CR_MAC_PS_STATE CTL_REG(0x050C)
#define CR_INTERRUPT CTL_REG(0x0510)
-#define INT_TX_COMPLETE 0x00000001
-#define INT_RX_COMPLETE 0x00000002
-#define INT_RETRY_FAIL 0x00000004
-#define INT_WAKEUP 0x00000008
-#define INT_DTIM_NOTIFY 0x00000020
-#define INT_CFG_NEXT_BCN 0x00000040
-#define INT_BUS_ABORT 0x00000080
-#define INT_TX_FIFO_READY 0x00000100
-#define INT_UART 0x00000200
-#define INT_TX_COMPLETE_EN 0x00010000
-#define INT_RX_COMPLETE_EN 0x00020000
-#define INT_RETRY_FAIL_EN 0x00040000
-#define INT_WAKEUP_EN 0x00080000
-#define INT_DTIM_NOTIFY_EN 0x00200000
-#define INT_CFG_NEXT_BCN_EN 0x00400000
-#define INT_BUS_ABORT_EN 0x00800000
-#define INT_TX_FIFO_READY_EN 0x01000000
-#define INT_UART_EN 0x02000000
+#define INT_TX_COMPLETE (1 << 0)
+#define INT_RX_COMPLETE (1 << 1)
+#define INT_RETRY_FAIL (1 << 2)
+#define INT_WAKEUP (1 << 3)
+#define INT_DTIM_NOTIFY (1 << 5)
+#define INT_CFG_NEXT_BCN (1 << 6)
+#define INT_BUS_ABORT (1 << 7)
+#define INT_TX_FIFO_READY (1 << 8)
+#define INT_UART (1 << 9)
+#define INT_TX_COMPLETE_EN (1 << 16)
+#define INT_RX_COMPLETE_EN (1 << 17)
+#define INT_RETRY_FAIL_EN (1 << 18)
+#define INT_WAKEUP_EN (1 << 19)
+#define INT_DTIM_NOTIFY_EN (1 << 21)
+#define INT_CFG_NEXT_BCN_EN (1 << 22)
+#define INT_BUS_ABORT_EN (1 << 23)
+#define INT_TX_FIFO_READY_EN (1 << 24)
+#define INT_UART_EN (1 << 25)
#define CR_TSF_LOW_PART CTL_REG(0x0514)
#define CR_TSF_HIGH_PART CTL_REG(0x0518)
@@ -390,26 +390,35 @@
#define CR_BSSID_P1 CTL_REG(0x0618)
#define CR_BSSID_P2 CTL_REG(0x061C)
#define CR_BCN_PLCP_CFG CTL_REG(0x0620)
+
+/* Group hash table for filtering incoming packets.
+ *
+ * The group hash table is 64 bit large and split over two parts. The first
+ * part is the lower part. The upper 6 bits of the last byte of the target
+ * address are used as index. Packets are received if the hash table bit is
+ * set. This is used for multicast handling, but for broadcasts (address
+ * ff:ff:ff:ff:ff:ff) the highest bit in the second table must also be set.
+ */
#define CR_GROUP_HASH_P1 CTL_REG(0x0624)
#define CR_GROUP_HASH_P2 CTL_REG(0x0628)
-#define CR_RX_TIMEOUT CTL_REG(0x062C)
+#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 */
#define CR_BASIC_RATE_TBL CTL_REG(0x0630)
-#define CR_RATE_1M 0x0001 /* 802.11b */
-#define CR_RATE_2M 0x0002 /* 802.11b */
-#define CR_RATE_5_5M 0x0004 /* 802.11b */
-#define CR_RATE_11M 0x0008 /* 802.11b */
-#define CR_RATE_6M 0x0100 /* 802.11g */
-#define CR_RATE_9M 0x0200 /* 802.11g */
-#define CR_RATE_12M 0x0400 /* 802.11g */
-#define CR_RATE_18M 0x0800 /* 802.11g */
-#define CR_RATE_24M 0x1000 /* 802.11g */
-#define CR_RATE_36M 0x2000 /* 802.11g */
-#define CR_RATE_48M 0x4000 /* 802.11g */
-#define CR_RATE_54M 0x8000 /* 802.11g */
+#define CR_RATE_1M (1 << 0) /* 802.11b */
+#define CR_RATE_2M (1 << 1) /* 802.11b */
+#define CR_RATE_5_5M (1 << 2) /* 802.11b */
+#define CR_RATE_11M (1 << 3) /* 802.11b */
+#define CR_RATE_6M (1 << 8) /* 802.11g */
+#define CR_RATE_9M (1 << 9) /* 802.11g */
+#define CR_RATE_12M (1 << 10) /* 802.11g */
+#define CR_RATE_18M (1 << 11) /* 802.11g */
+#define CR_RATE_24M (1 << 12) /* 802.11g */
+#define CR_RATE_36M (1 << 13) /* 802.11g */
+#define CR_RATE_48M (1 << 14) /* 802.11g */
+#define CR_RATE_54M (1 << 15) /* 802.11g */
#define CR_RATES_80211G 0xff00
#define CR_RATES_80211B 0x000f
@@ -420,14 +429,24 @@
#define CR_MANDATORY_RATE_TBL CTL_REG(0x0634)
#define CR_RTS_CTS_RATE CTL_REG(0x0638)
+/* These are all bit indexes in CR_RTS_CTS_RATE, so remember to shift. */
+#define RTSCTS_SH_RTS_RATE 0
+#define RTSCTS_SH_EXP_CTS_RATE 4
+#define RTSCTS_SH_RTS_MOD_TYPE 8
+#define RTSCTS_SH_RTS_PMB_TYPE 9
+#define RTSCTS_SH_CTS_RATE 16
+#define RTSCTS_SH_CTS_MOD_TYPE 24
+#define RTSCTS_SH_CTS_PMB_TYPE 25
+
#define CR_WEP_PROTECT CTL_REG(0x063C)
#define CR_RX_THRESHOLD CTL_REG(0x0640)
/* register for controlling the LEDS */
#define CR_LED CTL_REG(0x0644)
/* masks for controlling LEDs */
-#define LED1 0x0100
-#define LED2 0x0200
+#define LED1 (1 << 8)
+#define LED2 (1 << 9)
+#define LED_SW (1 << 10)
/* Seems to indicate that the configuration is over.
*/
@@ -454,18 +473,18 @@
* registers, so one could argue it is a LOCK bit. But calling it
* LOCK_PHY_REGS makes it confusing.
*/
-#define UNLOCK_PHY_REGS 0x0080
+#define UNLOCK_PHY_REGS (1 << 7)
#define CR_DEVICE_STATE CTL_REG(0x0684)
#define CR_UNDERRUN_CNT CTL_REG(0x0688)
#define CR_RX_FILTER CTL_REG(0x068c)
-#define RX_FILTER_ASSOC_RESPONSE 0x0002
-#define RX_FILTER_REASSOC_RESPONSE 0x0008
-#define RX_FILTER_PROBE_RESPONSE 0x0020
-#define RX_FILTER_BEACON 0x0100
-#define RX_FILTER_DISASSOC 0x0400
-#define RX_FILTER_AUTH 0x0800
+#define RX_FILTER_ASSOC_RESPONSE (1 << 1)
+#define RX_FILTER_REASSOC_RESPONSE (1 << 3)
+#define RX_FILTER_PROBE_RESPONSE (1 << 5)
+#define RX_FILTER_BEACON (1 << 8)
+#define RX_FILTER_DISASSOC (1 << 10)
+#define RX_FILTER_AUTH (1 << 11)
#define AP_RX_FILTER 0x0400feff
#define STA_RX_FILTER 0x0000ffff
@@ -629,6 +648,10 @@
#define FW_SOFT_RESET FW_REG(4)
#define FW_FLASH_CHK FW_REG(5)
+#define FW_LINK_OFF 0x0
+#define FW_LINK_TX 0x1
+/* 0x2 - link led on? */
+
enum {
CR_BASE_OFFSET = 0x9000,
FW_START_OFFSET = 0xee00,
@@ -663,8 +686,11 @@ struct zd_chip {
u8 pwr_int_values[E2P_CHANNEL_COUNT];
/* SetPointOFDM in the vendor driver */
u8 ofdm_cal_values[3][E2P_CHANNEL_COUNT];
- u8 pa_type:4, patch_cck_gain:1, patch_cr157:1, patch_6m_band_edge:1,
- new_phy_layout:1, is_zd1211b:1;
+ u16 link_led;
+ unsigned int pa_type:4,
+ patch_cck_gain:1, patch_cr157:1, patch_6m_band_edge:1,
+ new_phy_layout:1,
+ is_zd1211b:1, supports_tx_led:1;
};
static inline struct zd_chip *zd_usb_to_chip(struct zd_usb *usb)
@@ -786,6 +812,9 @@ void zd_chip_disable_rx(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_set_rts_cts_rate_locked(struct zd_chip *chip,
+ u8 rts_rate, int preamble);
+
static inline int zd_get_encryption_type(struct zd_chip *chip, u32 *type)
{
return zd_ioread32(chip, CR_ENCRYPTION_TYPE, type);
@@ -801,7 +830,17 @@ 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(struct zd_chip *chip, u16 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;
+}
static inline int zd_chip_set_rx_filter(struct zd_chip *chip, u32 filter)
{
@@ -812,15 +851,12 @@ int zd_chip_lock_phy_regs(struct zd_chip *chip);
int zd_chip_unlock_phy_regs(struct zd_chip *chip);
enum led_status {
- LED_OFF = 0,
- LED_ON = 1,
- LED_FLIP = 2,
- LED_STATUS = 3,
+ LED_OFF = 0,
+ LED_SCANNING = 1,
+ LED_ASSOCIATED = 2,
};
-int zd_chip_led_status(struct zd_chip *chip, int led, enum led_status status);
-int zd_chip_led_flip(struct zd_chip *chip, int led,
- const unsigned int *phases_msecs, unsigned int count);
+int zd_chip_control_leds(struct zd_chip *chip, enum led_status status);
int zd_set_beacon_interval(struct zd_chip *chip, u32 interval);
@@ -837,4 +873,36 @@ u8 zd_rx_strength_percent(u8 rssi);
u16 zd_rx_rate(const void *rx_frame, const struct rx_status *status);
+struct zd_mc_hash {
+ u32 low;
+ u32 high;
+};
+
+static inline void zd_mc_clear(struct zd_mc_hash *hash)
+{
+ hash->low = 0;
+ /* The interfaces must always received broadcasts.
+ * The hash of the broadcast address ff:ff:ff:ff:ff:ff is 63.
+ */
+ hash->high = 0x80000000;
+}
+
+static inline void zd_mc_add_all(struct zd_mc_hash *hash)
+{
+ hash->low = hash->high = 0xffffffff;
+}
+
+static inline void zd_mc_add_addr(struct zd_mc_hash *hash, u8 *addr)
+{
+ unsigned int i = addr[5] >> 2;
+ if (i < 32) {
+ hash->low |= 1 << i;
+ } else {
+ hash->high |= 1 << (i-32);
+ }
+}
+
+int zd_chip_set_multicast_hash(struct zd_chip *chip,
+ struct zd_mc_hash *hash);
+
#endif /* _ZD_CHIP_H */
diff --git a/drivers/net/wireless/zd1211rw/zd_def.h b/drivers/net/wireless/zd1211rw/zd_def.h
index a13ec72eb30..fb22f62cf1f 100644
--- a/drivers/net/wireless/zd1211rw/zd_def.h
+++ b/drivers/net/wireless/zd1211rw/zd_def.h
@@ -39,6 +39,7 @@ do { \
if (!(x)) { \
pr_debug("%s:%d ASSERT %s VIOLATED!\n", \
__FILE__, __LINE__, __stringify(x)); \
+ dump_stack(); \
} \
} while (0)
#else
diff --git a/drivers/net/wireless/zd1211rw/zd_ieee80211.c b/drivers/net/wireless/zd1211rw/zd_ieee80211.c
index 66905f7b61f..189160efd2a 100644
--- a/drivers/net/wireless/zd1211rw/zd_ieee80211.c
+++ b/drivers/net/wireless/zd1211rw/zd_ieee80211.c
@@ -37,7 +37,12 @@ static const struct channel_range channel_ranges[] = {
[ZD_REGDOMAIN_JAPAN] = { 1, 14},
[ZD_REGDOMAIN_SPAIN] = { 1, 14},
[ZD_REGDOMAIN_FRANCE] = { 1, 14},
- [ZD_REGDOMAIN_JAPAN_ADD] = {14, 15},
+
+ /* Japan originally only had channel 14 available (see CHNL_ID 0x40 in
+ * 802.11). However, in 2001 the range was extended to include channels
+ * 1-13. The ZyDAS devices still use the old region code but are
+ * designed to allow the extra channel access in Japan. */
+ [ZD_REGDOMAIN_JAPAN_ADD] = { 1, 15},
};
const struct channel_range *zd_channel_range(u8 regdomain)
@@ -133,9 +138,6 @@ int zd_find_channel(u8 *channel, const struct iw_freq *freq)
int i, r;
u32 mhz;
- if (!(freq->flags & IW_FREQ_FIXED))
- return 0;
-
if (freq->m < 1000) {
if (freq->m > NUM_CHANNELS || freq->m == 0)
return -EINVAL;
diff --git a/drivers/net/wireless/zd1211rw/zd_ieee80211.h b/drivers/net/wireless/zd1211rw/zd_ieee80211.h
index f63245b0d96..26b8298dff8 100644
--- a/drivers/net/wireless/zd1211rw/zd_ieee80211.h
+++ b/drivers/net/wireless/zd1211rw/zd_ieee80211.h
@@ -50,6 +50,7 @@ static inline u8 zd_ofdm_plcp_header_rate(
return header->prefix[0] & 0xf;
}
+/* These are referred to as zd_rates */
#define ZD_OFDM_RATE_6M 0xb
#define ZD_OFDM_RATE_9M 0xf
#define ZD_OFDM_RATE_12M 0xa
@@ -64,7 +65,7 @@ struct cck_plcp_header {
u8 service;
__le16 length;
__le16 crc16;
-};
+} __attribute__((packed));
static inline u8 zd_cck_plcp_header_rate(const struct cck_plcp_header *header)
{
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c
index 1989f1c05fb..00ca704ece3 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zd1211rw/zd_mac.c
@@ -32,6 +32,14 @@
static void ieee_init(struct ieee80211_device *ieee);
static void softmac_init(struct ieee80211softmac_device *sm);
+static void set_rts_cts_work(struct work_struct *work);
+static void set_basic_rates_work(struct work_struct *work);
+
+static void housekeeping_init(struct zd_mac *mac);
+static void housekeeping_enable(struct zd_mac *mac);
+static void housekeeping_disable(struct zd_mac *mac);
+
+static void set_multicast_hash_handler(struct work_struct *work);
int zd_mac_init(struct zd_mac *mac,
struct net_device *netdev,
@@ -42,10 +50,14 @@ int zd_mac_init(struct zd_mac *mac,
memset(mac, 0, sizeof(*mac));
spin_lock_init(&mac->lock);
mac->netdev = netdev;
+ INIT_DELAYED_WORK(&mac->set_rts_cts_work, set_rts_cts_work);
+ INIT_DELAYED_WORK(&mac->set_basic_rates_work, set_basic_rates_work);
ieee_init(ieee);
softmac_init(ieee80211_priv(netdev));
zd_chip_init(&mac->chip, netdev, intf);
+ housekeeping_init(mac);
+ INIT_WORK(&mac->set_multicast_hash_work, set_multicast_hash_handler);
return 0;
}
@@ -127,6 +139,7 @@ out:
void zd_mac_clear(struct zd_mac *mac)
{
+ flush_workqueue(zd_workqueue);
zd_chip_clear(&mac->chip);
ZD_ASSERT(!spin_is_locked(&mac->lock));
ZD_MEMCLEAR(mac, sizeof(struct zd_mac));
@@ -178,6 +191,7 @@ int zd_mac_open(struct net_device *netdev)
if (r < 0)
goto disable_rx;
+ housekeeping_enable(mac);
ieee80211softmac_start(netdev);
return 0;
disable_rx:
@@ -204,8 +218,16 @@ int zd_mac_stop(struct net_device *netdev)
*/
zd_chip_disable_rx(chip);
+ housekeeping_disable(mac);
ieee80211softmac_stop(netdev);
+ /* Ensure no work items are running or queued from this point */
+ cancel_delayed_work(&mac->set_rts_cts_work);
+ cancel_delayed_work(&mac->set_basic_rates_work);
+ flush_workqueue(zd_workqueue);
+ mac->updating_rts_rate = 0;
+ mac->updating_basic_rates = 0;
+
zd_chip_disable_hwint(chip);
zd_chip_switch_radio_off(chip);
zd_chip_disable_int(chip);
@@ -238,6 +260,43 @@ int zd_mac_set_mac_address(struct net_device *netdev, void *p)
return 0;
}
+static void set_multicast_hash_handler(struct work_struct *work)
+{
+ struct zd_mac *mac = container_of(work, struct zd_mac,
+ set_multicast_hash_work);
+ struct zd_mc_hash hash;
+
+ spin_lock_irq(&mac->lock);
+ hash = mac->multicast_hash;
+ spin_unlock_irq(&mac->lock);
+
+ zd_chip_set_multicast_hash(&mac->chip, &hash);
+}
+
+void zd_mac_set_multicast_list(struct net_device *dev)
+{
+ struct zd_mc_hash hash;
+ struct zd_mac *mac = zd_netdev_mac(dev);
+ struct dev_mc_list *mc;
+ unsigned long flags;
+
+ if (dev->flags & (IFF_PROMISC|IFF_ALLMULTI)) {
+ zd_mc_add_all(&hash);
+ } else {
+ zd_mc_clear(&hash);
+ for (mc = dev->mc_list; mc; mc = mc->next) {
+ dev_dbg_f(zd_mac_dev(mac), "mc addr " MAC_FMT "\n",
+ MAC_ARG(mc->dmi_addr));
+ zd_mc_add_addr(&hash, mc->dmi_addr);
+ }
+ }
+
+ spin_lock_irqsave(&mac->lock, flags);
+ mac->multicast_hash = hash;
+ spin_unlock_irqrestore(&mac->lock, flags);
+ queue_work(zd_workqueue, &mac->set_multicast_hash_work);
+}
+
int zd_mac_set_regdomain(struct zd_mac *mac, u8 regdomain)
{
int r;
@@ -279,6 +338,189 @@ u8 zd_mac_get_regdomain(struct zd_mac *mac)
return regdomain;
}
+/* Fallback to lowest rate, if rate is unknown. */
+static u8 rate_to_zd_rate(u8 rate)
+{
+ switch (rate) {
+ case IEEE80211_CCK_RATE_2MB:
+ return ZD_CCK_RATE_2M;
+ case IEEE80211_CCK_RATE_5MB:
+ return ZD_CCK_RATE_5_5M;
+ case IEEE80211_CCK_RATE_11MB:
+ return ZD_CCK_RATE_11M;
+ case IEEE80211_OFDM_RATE_6MB:
+ return ZD_OFDM_RATE_6M;
+ case IEEE80211_OFDM_RATE_9MB:
+ return ZD_OFDM_RATE_9M;
+ case IEEE80211_OFDM_RATE_12MB:
+ return ZD_OFDM_RATE_12M;
+ case IEEE80211_OFDM_RATE_18MB:
+ return ZD_OFDM_RATE_18M;
+ case IEEE80211_OFDM_RATE_24MB:
+ return ZD_OFDM_RATE_24M;
+ case IEEE80211_OFDM_RATE_36MB:
+ return ZD_OFDM_RATE_36M;
+ case IEEE80211_OFDM_RATE_48MB:
+ return ZD_OFDM_RATE_48M;
+ case IEEE80211_OFDM_RATE_54MB:
+ return ZD_OFDM_RATE_54M;
+ }
+ return ZD_CCK_RATE_1M;
+}
+
+static u16 rate_to_cr_rate(u8 rate)
+{
+ switch (rate) {
+ case IEEE80211_CCK_RATE_2MB:
+ return CR_RATE_1M;
+ case IEEE80211_CCK_RATE_5MB:
+ return CR_RATE_5_5M;
+ case IEEE80211_CCK_RATE_11MB:
+ return CR_RATE_11M;
+ case IEEE80211_OFDM_RATE_6MB:
+ return CR_RATE_6M;
+ case IEEE80211_OFDM_RATE_9MB:
+ return CR_RATE_9M;
+ case IEEE80211_OFDM_RATE_12MB:
+ return CR_RATE_12M;
+ case IEEE80211_OFDM_RATE_18MB:
+ return CR_RATE_18M;
+ case IEEE80211_OFDM_RATE_24MB:
+ return CR_RATE_24M;
+ case IEEE80211_OFDM_RATE_36MB:
+ return CR_RATE_36M;
+ case IEEE80211_OFDM_RATE_48MB:
+ return CR_RATE_48M;
+ case IEEE80211_OFDM_RATE_54MB:
+ return CR_RATE_54M;
+ }
+ return CR_RATE_1M;
+}
+
+static void try_enable_tx(struct zd_mac *mac)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&mac->lock, flags);
+ if (mac->updating_rts_rate == 0 && mac->updating_basic_rates == 0)
+ netif_wake_queue(mac->netdev);
+ spin_unlock_irqrestore(&mac->lock, flags);
+}
+
+static void set_rts_cts_work(struct work_struct *work)
+{
+ struct zd_mac *mac =
+ container_of(work, struct zd_mac, set_rts_cts_work.work);
+ unsigned long flags;
+ u8 rts_rate;
+ unsigned int short_preamble;
+
+ mutex_lock(&mac->chip.mutex);
+
+ spin_lock_irqsave(&mac->lock, flags);
+ mac->updating_rts_rate = 0;
+ rts_rate = mac->rts_rate;
+ short_preamble = mac->short_preamble;
+ spin_unlock_irqrestore(&mac->lock, flags);
+
+ zd_chip_set_rts_cts_rate_locked(&mac->chip, rts_rate, short_preamble);
+ mutex_unlock(&mac->chip.mutex);
+
+ try_enable_tx(mac);
+}
+
+static void set_basic_rates_work(struct work_struct *work)
+{
+ struct zd_mac *mac =
+ container_of(work, struct zd_mac, set_basic_rates_work.work);
+ unsigned long flags;
+ u16 basic_rates;
+
+ mutex_lock(&mac->chip.mutex);
+
+ spin_lock_irqsave(&mac->lock, flags);
+ mac->updating_basic_rates = 0;
+ basic_rates = mac->basic_rates;
+ spin_unlock_irqrestore(&mac->lock, flags);
+
+ zd_chip_set_basic_rates_locked(&mac->chip, basic_rates);
+ mutex_unlock(&mac->chip.mutex);
+
+ try_enable_tx(mac);
+}
+
+static void bssinfo_change(struct net_device *netdev, u32 changes)
+{
+ struct zd_mac *mac = zd_netdev_mac(netdev);
+ struct ieee80211softmac_device *softmac = ieee80211_priv(netdev);
+ struct ieee80211softmac_bss_info *bssinfo = &softmac->bssinfo;
+ int need_set_rts_cts = 0;
+ int need_set_rates = 0;
+ u16 basic_rates;
+ unsigned long flags;
+
+ dev_dbg_f(zd_mac_dev(mac), "changes: %x\n", changes);
+
+ if (changes & IEEE80211SOFTMAC_BSSINFOCHG_SHORT_PREAMBLE) {
+ spin_lock_irqsave(&mac->lock, flags);
+ mac->short_preamble = bssinfo->short_preamble;
+ spin_unlock_irqrestore(&mac->lock, flags);
+ need_set_rts_cts = 1;
+ }
+
+ if (changes & IEEE80211SOFTMAC_BSSINFOCHG_RATES) {
+ /* Set RTS rate to highest available basic rate */
+ u8 rate = ieee80211softmac_highest_supported_rate(softmac,
+ &bssinfo->supported_rates, 1);
+ rate = rate_to_zd_rate(rate);
+
+ spin_lock_irqsave(&mac->lock, flags);
+ if (rate != mac->rts_rate) {
+ mac->rts_rate = rate;
+ need_set_rts_cts = 1;
+ }
+ spin_unlock_irqrestore(&mac->lock, flags);
+
+ /* Set basic rates */
+ need_set_rates = 1;
+ if (bssinfo->supported_rates.count == 0) {
+ /* Allow the device to be flexible */
+ basic_rates = CR_RATES_80211B | CR_RATES_80211G;
+ } else {
+ int i = 0;
+ basic_rates = 0;
+
+ for (i = 0; i < bssinfo->supported_rates.count; i++) {
+ u16 rate = bssinfo->supported_rates.rates[i];
+ if ((rate & IEEE80211_BASIC_RATE_MASK) == 0)
+ continue;
+
+ rate &= ~IEEE80211_BASIC_RATE_MASK;
+ basic_rates |= rate_to_cr_rate(rate);
+ }
+ }
+ spin_lock_irqsave(&mac->lock, flags);
+ mac->basic_rates = basic_rates;
+ spin_unlock_irqrestore(&mac->lock, flags);
+ }
+
+ /* Schedule any changes we made above */
+
+ spin_lock_irqsave(&mac->lock, flags);
+ if (need_set_rts_cts && !mac->updating_rts_rate) {
+ mac->updating_rts_rate = 1;
+ netif_stop_queue(mac->netdev);
+ queue_delayed_work(zd_workqueue, &mac->set_rts_cts_work, 0);
+ }
+ if (need_set_rates && !mac->updating_basic_rates) {
+ mac->updating_basic_rates = 1;
+ netif_stop_queue(mac->netdev);
+ queue_delayed_work(zd_workqueue, &mac->set_basic_rates_work,
+ 0);
+ }
+ spin_unlock_irqrestore(&mac->lock, flags);
+}
+
static void set_channel(struct net_device *netdev, u8 channel)
{
struct zd_mac *mac = zd_netdev_mac(netdev);
@@ -288,7 +530,6 @@ static void set_channel(struct net_device *netdev, u8 channel)
zd_chip_set_channel(&mac->chip, channel);
}
-/* TODO: Should not work in Managed mode. */
int zd_mac_request_channel(struct zd_mac *mac, u8 channel)
{
unsigned long lock_flags;
@@ -310,31 +551,22 @@ int zd_mac_request_channel(struct zd_mac *mac, u8 channel)
return 0;
}
-int zd_mac_get_channel(struct zd_mac *mac, u8 *channel, u8 *flags)
+u8 zd_mac_get_channel(struct zd_mac *mac)
{
- struct ieee80211_device *ieee = zd_mac_to_ieee80211(mac);
+ u8 channel = zd_chip_get_channel(&mac->chip);
- *channel = zd_chip_get_channel(&mac->chip);
- if (ieee->iw_mode != IW_MODE_INFRA) {
- spin_lock_irq(&mac->lock);
- *flags = *channel == mac->requested_channel ?
- MAC_FIXED_CHANNEL : 0;
- spin_unlock(&mac->lock);
- } else {
- *flags = 0;
- }
- dev_dbg_f(zd_mac_dev(mac), "channel %u flags %u\n", *channel, *flags);
- return 0;
+ dev_dbg_f(zd_mac_dev(mac), "channel %u\n", channel);
+ return channel;
}
/* If wrong rate is given, we are falling back to the slowest rate: 1MBit/s */
-static u8 cs_typed_rate(u8 cs_rate)
+static u8 zd_rate_typed(u8 zd_rate)
{
static const u8 typed_rates[16] = {
- [ZD_CS_CCK_RATE_1M] = ZD_CS_CCK|ZD_CS_CCK_RATE_1M,
- [ZD_CS_CCK_RATE_2M] = ZD_CS_CCK|ZD_CS_CCK_RATE_2M,
- [ZD_CS_CCK_RATE_5_5M] = ZD_CS_CCK|ZD_CS_CCK_RATE_5_5M,
- [ZD_CS_CCK_RATE_11M] = ZD_CS_CCK|ZD_CS_CCK_RATE_11M,
+ [ZD_CCK_RATE_1M] = ZD_CS_CCK|ZD_CCK_RATE_1M,
+ [ZD_CCK_RATE_2M] = ZD_CS_CCK|ZD_CCK_RATE_2M,
+ [ZD_CCK_RATE_5_5M] = ZD_CS_CCK|ZD_CCK_RATE_5_5M,
+ [ZD_CCK_RATE_11M] = ZD_CS_CCK|ZD_CCK_RATE_11M,
[ZD_OFDM_RATE_6M] = ZD_CS_OFDM|ZD_OFDM_RATE_6M,
[ZD_OFDM_RATE_9M] = ZD_CS_OFDM|ZD_OFDM_RATE_9M,
[ZD_OFDM_RATE_12M] = ZD_CS_OFDM|ZD_OFDM_RATE_12M,
@@ -346,37 +578,7 @@ static u8 cs_typed_rate(u8 cs_rate)
};
ZD_ASSERT(ZD_CS_RATE_MASK == 0x0f);
- return typed_rates[cs_rate & ZD_CS_RATE_MASK];
-}
-
-/* Fallback to lowest rate, if rate is unknown. */
-static u8 rate_to_cs_rate(u8 rate)
-{
- switch (rate) {
- case IEEE80211_CCK_RATE_2MB:
- return ZD_CS_CCK_RATE_2M;
- case IEEE80211_CCK_RATE_5MB:
- return ZD_CS_CCK_RATE_5_5M;
- case IEEE80211_CCK_RATE_11MB:
- return ZD_CS_CCK_RATE_11M;
- case IEEE80211_OFDM_RATE_6MB:
- return ZD_OFDM_RATE_6M;
- case IEEE80211_OFDM_RATE_9MB:
- return ZD_OFDM_RATE_9M;
- case IEEE80211_OFDM_RATE_12MB:
- return ZD_OFDM_RATE_12M;
- case IEEE80211_OFDM_RATE_18MB:
- return ZD_OFDM_RATE_18M;
- case IEEE80211_OFDM_RATE_24MB:
- return ZD_OFDM_RATE_24M;
- case IEEE80211_OFDM_RATE_36MB:
- return ZD_OFDM_RATE_36M;
- case IEEE80211_OFDM_RATE_48MB:
- return ZD_OFDM_RATE_48M;
- case IEEE80211_OFDM_RATE_54MB:
- return ZD_OFDM_RATE_54M;
- }
- return ZD_CS_CCK_RATE_1M;
+ return typed_rates[zd_rate & ZD_CS_RATE_MASK];
}
int zd_mac_set_mode(struct zd_mac *mac, u32 mode)
@@ -457,6 +659,9 @@ int zd_mac_get_range(struct zd_mac *mac, struct iw_range *range)
range->we_version_compiled = WIRELESS_EXT;
range->we_version_source = 20;
+ range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
+ IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
+
ZD_ASSERT(!irqs_disabled());
spin_lock_irq(&mac->lock);
regdomain = mac->regdomain;
@@ -477,13 +682,13 @@ int zd_mac_get_range(struct zd_mac *mac, struct iw_range *range)
return 0;
}
-static int zd_calc_tx_length_us(u8 *service, u8 cs_rate, u16 tx_length)
+static int zd_calc_tx_length_us(u8 *service, u8 zd_rate, u16 tx_length)
{
static const u8 rate_divisor[] = {
- [ZD_CS_CCK_RATE_1M] = 1,
- [ZD_CS_CCK_RATE_2M] = 2,
- [ZD_CS_CCK_RATE_5_5M] = 11, /* bits must be doubled */
- [ZD_CS_CCK_RATE_11M] = 11,
+ [ZD_CCK_RATE_1M] = 1,
+ [ZD_CCK_RATE_2M] = 2,
+ [ZD_CCK_RATE_5_5M] = 11, /* bits must be doubled */
+ [ZD_CCK_RATE_11M] = 11,
[ZD_OFDM_RATE_6M] = 6,
[ZD_OFDM_RATE_9M] = 9,
[ZD_OFDM_RATE_12M] = 12,
@@ -497,15 +702,15 @@ static int zd_calc_tx_length_us(u8 *service, u8 cs_rate, u16 tx_length)
u32 bits = (u32)tx_length * 8;
u32 divisor;
- divisor = rate_divisor[cs_rate];
+ divisor = rate_divisor[zd_rate];
if (divisor == 0)
return -EINVAL;
- switch (cs_rate) {
- case ZD_CS_CCK_RATE_5_5M:
+ switch (zd_rate) {
+ case ZD_CCK_RATE_5_5M:
bits = (2*bits) + 10; /* round up to the next integer */
break;
- case ZD_CS_CCK_RATE_11M:
+ case ZD_CCK_RATE_11M:
if (service) {
u32 t = bits % 11;
*service &= ~ZD_PLCP_SERVICE_LENGTH_EXTENSION;
@@ -525,16 +730,16 @@ enum {
R2M_11A = 0x02,
};
-static u8 cs_rate_to_modulation(u8 cs_rate, int flags)
+static u8 zd_rate_to_modulation(u8 zd_rate, int flags)
{
u8 modulation;
- modulation = cs_typed_rate(cs_rate);
+ modulation = zd_rate_typed(zd_rate);
if (flags & R2M_SHORT_PREAMBLE) {
switch (ZD_CS_RATE(modulation)) {
- case ZD_CS_CCK_RATE_2M:
- case ZD_CS_CCK_RATE_5_5M:
- case ZD_CS_CCK_RATE_11M:
+ case ZD_CCK_RATE_2M:
+ case ZD_CCK_RATE_5_5M:
+ case ZD_CCK_RATE_11M:
modulation |= ZD_CS_CCK_PREA_SHORT;
return modulation;
}
@@ -551,39 +756,36 @@ static void cs_set_modulation(struct zd_mac *mac, struct zd_ctrlset *cs,
{
struct ieee80211softmac_device *softmac = ieee80211_priv(mac->netdev);
u16 ftype = WLAN_FC_GET_TYPE(le16_to_cpu(hdr->frame_ctl));
- u8 rate, cs_rate;
+ u8 rate, zd_rate;
int is_mgt = (ftype == IEEE80211_FTYPE_MGMT) != 0;
+ int is_multicast = is_multicast_ether_addr(hdr->addr1);
+ int short_preamble = ieee80211softmac_short_preamble_ok(softmac,
+ is_multicast, is_mgt);
+ int flags = 0;
+
+ /* FIXME: 802.11a? */
+ rate = ieee80211softmac_suggest_txrate(softmac, is_multicast, is_mgt);
- /* FIXME: 802.11a? short preamble? */
- rate = ieee80211softmac_suggest_txrate(softmac,
- is_multicast_ether_addr(hdr->addr1), is_mgt);
+ if (short_preamble)
+ flags |= R2M_SHORT_PREAMBLE;
- cs_rate = rate_to_cs_rate(rate);
- cs->modulation = cs_rate_to_modulation(cs_rate, 0);
+ zd_rate = rate_to_zd_rate(rate);
+ cs->modulation = zd_rate_to_modulation(zd_rate, flags);
}
static void cs_set_control(struct zd_mac *mac, struct zd_ctrlset *cs,
struct ieee80211_hdr_4addr *header)
{
+ struct ieee80211softmac_device *softmac = ieee80211_priv(mac->netdev);
unsigned int tx_length = le16_to_cpu(cs->tx_length);
u16 fctl = le16_to_cpu(header->frame_ctl);
u16 ftype = WLAN_FC_GET_TYPE(fctl);
u16 stype = WLAN_FC_GET_STYPE(fctl);
/*
- * CONTROL:
- * - start at 0x00
- * - if fragment 0, enable bit 0
+ * CONTROL TODO:
* - if backoff needed, enable bit 0
* - if burst (backoff not needed) disable bit 0
- * - if multicast, enable bit 1
- * - if PS-POLL frame, enable bit 2
- * - if in INDEPENDENT_BSS mode and zd1205_DestPowerSave, then enable
- * bit 4 (FIXME: wtf)
- * - if frag_len > RTS threshold, set bit 5 as long if it isnt
- * multicast or mgt
- * - if bit 5 is set, and we are in OFDM mode, unset bit 5 and set bit
- * 7
*/
cs->control = 0;
@@ -600,17 +802,18 @@ static void cs_set_control(struct zd_mac *mac, struct zd_ctrlset *cs,
if (stype == IEEE80211_STYPE_PSPOLL)
cs->control |= ZD_CS_PS_POLL_FRAME;
+ /* Unicast data frames over the threshold should have RTS */
if (!is_multicast_ether_addr(header->addr1) &&
- ftype != IEEE80211_FTYPE_MGMT &&
- tx_length > zd_netdev_ieee80211(mac->netdev)->rts)
- {
- /* FIXME: check the logic */
- if (ZD_CS_TYPE(cs->modulation) == ZD_CS_OFDM) {
- /* 802.11g */
- cs->control |= ZD_CS_SELF_CTS;
- } else { /* 802.11b */
- cs->control |= ZD_CS_RTS;
- }
+ ftype != IEEE80211_FTYPE_MGMT &&
+ tx_length > zd_netdev_ieee80211(mac->netdev)->rts)
+ cs->control |= ZD_CS_RTS;
+
+ /* Use CTS-to-self protection if required */
+ if (ZD_CS_TYPE(cs->modulation) == ZD_CS_OFDM &&
+ ieee80211softmac_protection_needed(softmac)) {
+ /* FIXME: avoid sending RTS *and* self-CTS, is that correct? */
+ cs->control &= ~ZD_CS_RTS;
+ cs->control |= ZD_CS_SELF_CTS;
}
/* FIXME: Management frame? */
@@ -714,7 +917,7 @@ struct zd_rt_hdr {
u8 rt_rate;
u16 rt_channel;
u16 rt_chbitmask;
-};
+} __attribute__((packed));
static void fill_rt_header(void *buffer, struct zd_mac *mac,
const struct ieee80211_rx_stats *stats,
@@ -771,13 +974,16 @@ static int is_data_packet_for_us(struct ieee80211_device *ieee,
}
return memcmp(hdr->addr1, netdev->dev_addr, ETH_ALEN) == 0 ||
- is_multicast_ether_addr(hdr->addr1) ||
+ (is_multicast_ether_addr(hdr->addr1) &&
+ memcmp(hdr->addr3, netdev->dev_addr, ETH_ALEN) != 0) ||
(netdev->flags & IFF_PROMISC);
}
-/* Filters receiving packets. If it returns 1 send it to ieee80211_rx, if 0
- * return. If an error is detected -EINVAL is returned. ieee80211_rx_mgt() is
- * called here.
+/* Filters received packets. The function returns 1 if the packet should be
+ * forwarded to ieee80211_rx(). If the packet should be ignored the function
+ * returns 0. If an invalid packet is found the function returns -EINVAL.
+ *
+ * The function calls ieee80211_rx_mgt() directly.
*
* It has been based on ieee80211_rx_any.
*/
@@ -803,9 +1009,9 @@ static int filter_rx(struct ieee80211_device *ieee,
ieee80211_rx_mgt(ieee, hdr, stats);
return 0;
case IEEE80211_FTYPE_CTL:
- /* Ignore invalid short buffers */
return 0;
case IEEE80211_FTYPE_DATA:
+ /* Ignore invalid short buffers */
if (length < sizeof(struct ieee80211_hdr_3addr))
return -EINVAL;
return is_data_packet_for_us(ieee, hdr);
@@ -901,10 +1107,8 @@ int zd_mac_rx(struct zd_mac *mac, const u8 *buffer, unsigned int length)
memcpy(skb_put(skb, length), buffer, length);
r = ieee80211_rx(ieee, skb, &stats);
- if (!r) {
- ZD_ASSERT(in_irq());
- dev_kfree_skb_irq(skb);
- }
+ if (!r)
+ dev_kfree_skb_any(skb);
return 0;
}
@@ -986,6 +1190,7 @@ static void ieee_init(struct ieee80211_device *ieee)
static void softmac_init(struct ieee80211softmac_device *sm)
{
sm->set_channel = set_channel;
+ sm->bssinfo_change = bssinfo_change;
}
struct iw_statistics *zd_mac_get_wireless_stats(struct net_device *ndev)
@@ -1021,62 +1226,46 @@ struct iw_statistics *zd_mac_get_wireless_stats(struct net_device *ndev)
return iw_stats;
}
-#ifdef DEBUG
-static const char* decryption_types[] = {
- [ZD_RX_NO_WEP] = "none",
- [ZD_RX_WEP64] = "WEP64",
- [ZD_RX_TKIP] = "TKIP",
- [ZD_RX_AES] = "AES",
- [ZD_RX_WEP128] = "WEP128",
- [ZD_RX_WEP256] = "WEP256",
-};
+#define LINK_LED_WORK_DELAY HZ
-static const char *decryption_type_string(u8 type)
+static void link_led_handler(struct work_struct *work)
{
- const char *s;
+ struct zd_mac *mac =
+ container_of(work, struct zd_mac, housekeeping.link_led_work.work);
+ struct zd_chip *chip = &mac->chip;
+ struct ieee80211softmac_device *sm = ieee80211_priv(mac->netdev);
+ int is_associated;
+ int r;
- if (type < ARRAY_SIZE(decryption_types)) {
- s = decryption_types[type];
- } else {
- s = NULL;
- }
- return s ? s : "unknown";
+ spin_lock_irq(&mac->lock);
+ is_associated = sm->associnfo.associated != 0;
+ spin_unlock_irq(&mac->lock);
+
+ r = zd_chip_control_leds(chip,
+ is_associated ? LED_ASSOCIATED : LED_SCANNING);
+ if (r)
+ dev_err(zd_mac_dev(mac), "zd_chip_control_leds error %d\n", r);
+
+ queue_delayed_work(zd_workqueue, &mac->housekeeping.link_led_work,
+ LINK_LED_WORK_DELAY);
}
-static int is_ofdm(u8 frame_status)
+static void housekeeping_init(struct zd_mac *mac)
{
- return (frame_status & ZD_RX_OFDM);
+ INIT_DELAYED_WORK(&mac->housekeeping.link_led_work, link_led_handler);
}
-void zd_dump_rx_status(const struct rx_status *status)
+static void housekeeping_enable(struct zd_mac *mac)
{
- const char* modulation;
- u8 quality;
+ dev_dbg_f(zd_mac_dev(mac), "\n");
+ queue_delayed_work(zd_workqueue, &mac->housekeeping.link_led_work,
+ 0);
+}
- if (is_ofdm(status->frame_status)) {
- modulation = "ofdm";
- quality = status->signal_quality_ofdm;
- } else {
- modulation = "cck";
- quality = status->signal_quality_cck;
- }
- pr_debug("rx status %s strength %#04x qual %#04x decryption %s\n",
- modulation, status->signal_strength, quality,
- decryption_type_string(status->decryption_type));
- if (status->frame_status & ZD_RX_ERROR) {
- pr_debug("rx error %s%s%s%s%s%s\n",
- (status->frame_status & ZD_RX_TIMEOUT_ERROR) ?
- "timeout " : "",
- (status->frame_status & ZD_RX_FIFO_OVERRUN_ERROR) ?
- "fifo " : "",
- (status->frame_status & ZD_RX_DECRYPTION_ERROR) ?
- "decryption " : "",
- (status->frame_status & ZD_RX_CRC32_ERROR) ?
- "crc32 " : "",
- (status->frame_status & ZD_RX_NO_ADDR1_MATCH_ERROR) ?
- "addr1 " : "",
- (status->frame_status & ZD_RX_CRC16_ERROR) ?
- "crc16" : "");
- }
+static void housekeeping_disable(struct zd_mac *mac)
+{
+ dev_dbg_f(zd_mac_dev(mac), "\n");
+ cancel_rearming_delayed_workqueue(zd_workqueue,
+ &mac->housekeeping.link_led_work);
+ zd_chip_control_leds(&mac->chip, LED_OFF);
}
-#endif /* DEBUG */
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.h b/drivers/net/wireless/zd1211rw/zd_mac.h
index 29b51fd7d4e..f0cf05dc7d3 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.h
+++ b/drivers/net/wireless/zd1211rw/zd_mac.h
@@ -20,6 +20,7 @@
#include <linux/wireless.h>
#include <linux/kernel.h>
+#include <linux/workqueue.h>
#include <net/ieee80211.h>
#include <net/ieee80211softmac.h>
@@ -48,10 +49,11 @@ struct zd_ctrlset {
#define ZD_CS_CCK 0x00
#define ZD_CS_OFDM 0x10
-#define ZD_CS_CCK_RATE_1M 0x00
-#define ZD_CS_CCK_RATE_2M 0x01
-#define ZD_CS_CCK_RATE_5_5M 0x02
-#define ZD_CS_CCK_RATE_11M 0x03
+/* These are referred to as zd_rates */
+#define ZD_CCK_RATE_1M 0x00
+#define ZD_CCK_RATE_2M 0x01
+#define ZD_CCK_RATE_5_5M 0x02
+#define ZD_CCK_RATE_11M 0x03
/* The rates for OFDM are encoded as in the PLCP header. Use ZD_OFDM_RATE_*.
*/
@@ -82,7 +84,7 @@ struct zd_ctrlset {
struct rx_length_info {
__le16 length[3];
__le16 tag;
-};
+} __attribute__((packed));
#define RX_LENGTH_INFO_TAG 0x697e
@@ -93,7 +95,7 @@ struct rx_status {
u8 signal_quality_ofdm;
u8 decryption_type;
u8 frame_status;
-};
+} __attribute__((packed));
/* rx_status field decryption_type */
#define ZD_RX_NO_WEP 0
@@ -116,8 +118,8 @@ struct rx_status {
#define ZD_RX_CRC16_ERROR 0x40
#define ZD_RX_ERROR 0x80
-enum mac_flags {
- MAC_FIXED_CHANNEL = 0x01,
+struct housekeeping {
+ struct delayed_work link_led_work;
};
#define ZD_MAC_STATS_BUFFER_SIZE 16
@@ -126,14 +128,35 @@ struct zd_mac {
struct zd_chip chip;
spinlock_t lock;
struct net_device *netdev;
+
/* Unlocked reading possible */
struct iw_statistics iw_stats;
+
+ struct housekeeping housekeeping;
+ struct work_struct set_multicast_hash_work;
+ struct zd_mc_hash multicast_hash;
+ struct delayed_work set_rts_cts_work;
+ struct delayed_work set_basic_rates_work;
+
unsigned int stats_count;
u8 qual_buffer[ZD_MAC_STATS_BUFFER_SIZE];
u8 rssi_buffer[ZD_MAC_STATS_BUFFER_SIZE];
u8 regdomain;
u8 default_regdomain;
u8 requested_channel;
+
+ /* A bitpattern of cr_rates */
+ u16 basic_rates;
+
+ /* A zd_rate */
+ u8 rts_rate;
+
+ /* Short preamble (used for RTS/CTS) */
+ unsigned int short_preamble:1;
+
+ /* flags to indicate update in progress */
+ unsigned int updating_rts_rate:1;
+ unsigned int updating_basic_rates:1;
};
static inline struct ieee80211_device *zd_mac_to_ieee80211(struct zd_mac *mac)
@@ -168,6 +191,7 @@ int zd_mac_init_hw(struct zd_mac *mac, u8 device_type);
int zd_mac_open(struct net_device *netdev);
int zd_mac_stop(struct net_device *netdev);
int zd_mac_set_mac_address(struct net_device *dev, void *p);
+void zd_mac_set_multicast_list(struct net_device *netdev);
int zd_mac_rx(struct zd_mac *mac, const u8 *buffer, unsigned int length);
@@ -175,7 +199,7 @@ int zd_mac_set_regdomain(struct zd_mac *zd_mac, u8 regdomain);
u8 zd_mac_get_regdomain(struct zd_mac *zd_mac);
int zd_mac_request_channel(struct zd_mac *mac, u8 channel);
-int zd_mac_get_channel(struct zd_mac *mac, u8 *channel, u8 *flags);
+u8 zd_mac_get_channel(struct zd_mac *mac);
int zd_mac_set_mode(struct zd_mac *mac, u32 mode);
int zd_mac_get_mode(struct zd_mac *mac, u32 *mode);
diff --git a/drivers/net/wireless/zd1211rw/zd_netdev.c b/drivers/net/wireless/zd1211rw/zd_netdev.c
index 440ef24b5fd..8bda48de31e 100644
--- a/drivers/net/wireless/zd1211rw/zd_netdev.c
+++ b/drivers/net/wireless/zd1211rw/zd_netdev.c
@@ -82,7 +82,7 @@ static int iw_get_nick(struct net_device *netdev,
union iwreq_data *req, char *extra)
{
strcpy(extra, "zd1211");
- req->data.length = strlen(extra) + 1;
+ req->data.length = strlen(extra);
req->data.flags = 1;
return 0;
}
@@ -107,21 +107,10 @@ static int iw_get_freq(struct net_device *netdev,
struct iw_request_info *info,
union iwreq_data *req, char *extra)
{
- int r;
struct zd_mac *mac = zd_netdev_mac(netdev);
struct iw_freq *freq = &req->freq;
- u8 channel;
- u8 flags;
-
- r = zd_mac_get_channel(mac, &channel, &flags);
- if (r)
- return r;
- freq->flags = (flags & MAC_FIXED_CHANNEL) ?
- IW_FREQ_FIXED : IW_FREQ_AUTO;
- dev_dbg_f(zd_mac_dev(mac), "channel %s\n",
- (flags & MAC_FIXED_CHANNEL) ? "fixed" : "auto");
- return zd_channel_to_freq(freq, channel);
+ return zd_channel_to_freq(freq, zd_mac_get_channel(mac));
}
static int iw_set_mode(struct net_device *netdev,
@@ -253,7 +242,7 @@ struct net_device *zd_netdev_alloc(struct usb_interface *intf)
netdev->open = zd_mac_open;
netdev->stop = zd_mac_stop;
/* netdev->get_stats = */
- /* netdev->set_multicast_list = */
+ netdev->set_multicast_list = zd_mac_set_multicast_list;
netdev->set_mac_address = zd_mac_set_mac_address;
netdev->wireless_handlers = &iw_handler_def;
/* netdev->ethtool_ops = */
diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c
index 31027e52b04..aa782e88754 100644
--- a/drivers/net/wireless/zd1211rw/zd_usb.c
+++ b/drivers/net/wireless/zd1211rw/zd_usb.c
@@ -24,6 +24,7 @@
#include <linux/errno.h>
#include <linux/skbuff.h>
#include <linux/usb.h>
+#include <linux/workqueue.h>
#include <net/ieee80211.h>
#include "zd_def.h"
@@ -46,11 +47,17 @@ static struct usb_device_id usb_ids[] = {
{ USB_DEVICE(0x0586, 0x3402), .driver_info = DEVICE_ZD1211 },
{ USB_DEVICE(0x0b3b, 0x5630), .driver_info = DEVICE_ZD1211 },
{ USB_DEVICE(0x0b05, 0x170c), .driver_info = DEVICE_ZD1211 },
+ { USB_DEVICE(0x1435, 0x0711), .driver_info = DEVICE_ZD1211 },
+ { USB_DEVICE(0x0586, 0x3409), .driver_info = DEVICE_ZD1211 },
+ { USB_DEVICE(0x0b3b, 0x1630), .driver_info = DEVICE_ZD1211 },
+ { USB_DEVICE(0x0586, 0x3401), .driver_info = DEVICE_ZD1211 },
+ { USB_DEVICE(0x14ea, 0xab13), .driver_info = DEVICE_ZD1211 },
/* ZD1211B */
{ USB_DEVICE(0x0ace, 0x1215), .driver_info = DEVICE_ZD1211B },
{ USB_DEVICE(0x157e, 0x300d), .driver_info = DEVICE_ZD1211B },
{ USB_DEVICE(0x079b, 0x0062), .driver_info = DEVICE_ZD1211B },
{ USB_DEVICE(0x1582, 0x6003), .driver_info = DEVICE_ZD1211B },
+ { USB_DEVICE(0x050d, 0x705c), .driver_info = DEVICE_ZD1211B },
/* "Driverless" devices that need ejecting */
{ USB_DEVICE(0x0ace, 0x2011), .driver_info = DEVICE_INSTALLER },
{}
@@ -365,15 +372,6 @@ error:
return r;
}
-static void disable_read_regs_int(struct zd_usb *usb)
-{
- struct zd_usb_interrupt *intr = &usb->intr;
-
- spin_lock(&intr->lock);
- intr->read_regs_enabled = 0;
- spin_unlock(&intr->lock);
-}
-
#define urb_dev(urb) (&(urb)->dev->dev)
static inline void handle_regs_int(struct urb *urb)
@@ -407,7 +405,7 @@ static inline void handle_retry_failed_int(struct urb *urb)
}
-static void int_urb_complete(struct urb *urb, struct pt_regs *pt_regs)
+static void int_urb_complete(struct urb *urb)
{
int r;
struct usb_int_header *hdr;
@@ -595,6 +593,8 @@ static void handle_rx_packet(struct zd_usb *usb, const u8 *buffer,
unsigned int l, k, n;
for (i = 0, l = 0;; i++) {
k = le16_to_cpu(get_unaligned(&length_info->length[i]));
+ if (k == 0)
+ return;
n = l+k;
if (n > length)
return;
@@ -608,7 +608,7 @@ static void handle_rx_packet(struct zd_usb *usb, const u8 *buffer,
}
}
-static void rx_urb_complete(struct urb *urb, struct pt_regs *pt_regs)
+static void rx_urb_complete(struct urb *urb)
{
struct zd_usb *usb;
struct zd_usb_rx *rx;
@@ -778,7 +778,7 @@ void zd_usb_disable_rx(struct zd_usb *usb)
spin_unlock_irqrestore(&rx->lock, flags);
}
-static void tx_urb_complete(struct urb *urb, struct pt_regs *pt_regs)
+static void tx_urb_complete(struct urb *urb)
{
int r;
@@ -1112,26 +1112,36 @@ static struct usb_driver driver = {
.disconnect = disconnect,
};
+struct workqueue_struct *zd_workqueue;
+
static int __init usb_init(void)
{
int r;
- pr_debug("usb_init()\n");
+ pr_debug("%s usb_init()\n", driver.name);
+
+ zd_workqueue = create_singlethread_workqueue(driver.name);
+ if (zd_workqueue == NULL) {
+ printk(KERN_ERR "%s couldn't create workqueue\n", driver.name);
+ return -ENOMEM;
+ }
r = usb_register(&driver);
if (r) {
- printk(KERN_ERR "usb_register() failed. Error number %d\n", r);
+ printk(KERN_ERR "%s usb_register() failed. Error number %d\n",
+ driver.name, r);
return r;
}
- pr_debug("zd1211rw initialized\n");
+ pr_debug("%s initialized\n", driver.name);
return 0;
}
static void __exit usb_exit(void)
{
- pr_debug("usb_exit()\n");
+ pr_debug("%s usb_exit()\n", driver.name);
usb_deregister(&driver);
+ destroy_workqueue(zd_workqueue);
}
module_init(usb_init);
@@ -1146,10 +1156,19 @@ static void prepare_read_regs_int(struct zd_usb *usb)
{
struct zd_usb_interrupt *intr = &usb->intr;
- spin_lock(&intr->lock);
+ spin_lock_irq(&intr->lock);
intr->read_regs_enabled = 1;
INIT_COMPLETION(intr->read_regs.completion);
- spin_unlock(&intr->lock);
+ spin_unlock_irq(&intr->lock);
+}
+
+static void disable_read_regs_int(struct zd_usb *usb)
+{
+ struct zd_usb_interrupt *intr = &usb->intr;
+
+ spin_lock_irq(&intr->lock);
+ intr->read_regs_enabled = 0;
+ spin_unlock_irq(&intr->lock);
}
static int get_results(struct zd_usb *usb, u16 *values,
@@ -1161,7 +1180,7 @@ static int get_results(struct zd_usb *usb, u16 *values,
struct read_regs_int *rr = &intr->read_regs;
struct usb_int_regs *regs = (struct usb_int_regs *)rr->buffer;
- spin_lock(&intr->lock);
+ spin_lock_irq(&intr->lock);
r = -EIO;
/* The created block size seems to be larger than expected.
@@ -1194,7 +1213,7 @@ static int get_results(struct zd_usb *usb, u16 *values,
r = 0;
error_unlock:
- spin_unlock(&intr->lock);
+ spin_unlock_irq(&intr->lock);
return r;
}
diff --git a/drivers/net/wireless/zd1211rw/zd_usb.h b/drivers/net/wireless/zd1211rw/zd_usb.h
index ded39de5f72..317d37c3667 100644
--- a/drivers/net/wireless/zd1211rw/zd_usb.h
+++ b/drivers/net/wireless/zd1211rw/zd_usb.h
@@ -74,17 +74,17 @@ enum control_requests {
struct usb_req_read_regs {
__le16 id;
__le16 addr[0];
-};
+} __attribute__((packed));
struct reg_data {
__le16 addr;
__le16 value;
-};
+} __attribute__((packed));
struct usb_req_write_regs {
__le16 id;
struct reg_data reg_writes[0];
-};
+} __attribute__((packed));
enum {
RF_IF_LE = 0x02,
@@ -101,7 +101,7 @@ struct usb_req_rfwrite {
/* RF2595: 24 */
__le16 bit_values[0];
/* (CR203 & ~(RF_IF_LE | RF_CLK | RF_DATA)) | (bit ? RF_DATA : 0) */
-};
+} __attribute__((packed));
/* USB interrupt */
@@ -118,12 +118,12 @@ enum usb_int_flags {
struct usb_int_header {
u8 type; /* must always be 1 */
u8 id;
-};
+} __attribute__((packed));
struct usb_int_regs {
struct usb_int_header hdr;
struct reg_data regs[0];
-};
+} __attribute__((packed));
struct usb_int_retry_fail {
struct usb_int_header hdr;
@@ -131,7 +131,7 @@ struct usb_int_retry_fail {
u8 _dummy;
u8 addr[ETH_ALEN];
u8 ibss_wakeup_dest;
-};
+} __attribute__((packed));
struct read_regs_int {
struct completion completion;
@@ -238,4 +238,6 @@ int zd_usb_iowrite16v(struct zd_usb *usb, const struct zd_ioreq16 *ioreqs,
int zd_usb_rfwrite(struct zd_usb *usb, u32 value, u8 bits);
+extern struct workqueue_struct *zd_workqueue;
+
#endif /* _ZD_USB_H */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-09 06:15:48 +0000