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Date: Tue, 28 Nov 2006 14:42:34 -0500
From: "John W. Linville" <linville@...driver.com>
To: jeff@...zik.org
Cc: netdev@...r.kernel.org
Subject: Please pull from 'upstream' branch of wireless-2.6
The following changes since commit 6c025cfcd2904990ba9acda820fda1fe02ee267f:
John W. Linville:
Merge branch 'upstream-fixes' into upstream
are found in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6.git upstream
Arnaldo Carvalho de Melo:
Check ieee80211softmac_auth_resp kmalloc result
Daniel Drake:
zd1211rw: Add ID for Planex GW-US54Mini
zd1211rw: Add ID for Belkin F5D7050 v4000
zd1211rw: Remove IW_FREQ_AUTO support
zd1211rw: Allow channels 1-13 in Japan
zd1211rw: Rename cs_rate to zd_rate
zd1211rw: Use softmac ERP handling functionality
ieee80211: Provide generic get_stats implementation
John W. Linville:
prism54: correct overly aggressive check of return from pci_set_mwi
Larry Finger:
bcm43xx: correct "Move IV/ICV stripping into ieee80211_rx"
softmac: reduce scan debug output
Ulrich Kunitz:
zd1211rw: cleanups
zd1211rw: Optimized handling of zero length entries in length info
drivers/net/wireless/bcm43xx/bcm43xx_main.c | 6
drivers/net/wireless/bcm43xx/bcm43xx_xmit.c | 1
drivers/net/wireless/ipw2100.c | 14 -
drivers/net/wireless/prism54/islpci_hotplug.c | 4
drivers/net/wireless/zd1211rw/zd_chip.c | 38 ++
drivers/net/wireless/zd1211rw/zd_chip.h | 104 ++++--
drivers/net/wireless/zd1211rw/zd_def.h | 1
drivers/net/wireless/zd1211rw/zd_ieee80211.c | 10 -
drivers/net/wireless/zd1211rw/zd_ieee80211.h | 1
drivers/net/wireless/zd1211rw/zd_mac.c | 402 +++++++++++++++----------
drivers/net/wireless/zd1211rw/zd_mac.h | 34 ++
drivers/net/wireless/zd1211rw/zd_netdev.c | 13 -
drivers/net/wireless/zd1211rw/zd_usb.c | 15 +
net/ieee80211/ieee80211_module.c | 16 +
net/ieee80211/ieee80211_rx.c | 7
net/ieee80211/softmac/ieee80211softmac_auth.c | 14 +
net/ieee80211/softmac/ieee80211softmac_scan.c | 5
17 files changed, 413 insertions(+), 272 deletions(-)
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.c b/drivers/net/wireless/bcm43xx/bcm43xx_main.c
index 60a9745..5b3c273 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_main.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.c
@@ -4013,11 +4013,6 @@ static int bcm43xx_ieee80211_hard_start_
return NETDEV_TX_OK;
}
-static struct net_device_stats * bcm43xx_net_get_stats(struct net_device *net_dev)
-{
- return &(bcm43xx_priv(net_dev)->ieee->stats);
-}
-
static void bcm43xx_net_tx_timeout(struct net_device *net_dev)
{
struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
@@ -4131,7 +4126,6 @@ #endif
net_dev->open = bcm43xx_net_open;
net_dev->stop = bcm43xx_net_stop;
- net_dev->get_stats = bcm43xx_net_get_stats;
net_dev->tx_timeout = bcm43xx_net_tx_timeout;
#ifdef CONFIG_NET_POLL_CONTROLLER
net_dev->poll_controller = bcm43xx_net_poll_controller;
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_xmit.c b/drivers/net/wireless/bcm43xx/bcm43xx_xmit.c
index a957bc8..3e24626 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_xmit.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_xmit.c
@@ -543,6 +543,7 @@ int bcm43xx_rx(struct bcm43xx_private *b
break;
}
+ frame_ctl = le16_to_cpu(wlhdr->frame_ctl);
switch (WLAN_FC_GET_TYPE(frame_ctl)) {
case IEEE80211_FTYPE_MGMT:
ieee80211_rx_mgt(bcm->ieee, wlhdr, &stats);
diff --git a/drivers/net/wireless/ipw2100.c b/drivers/net/wireless/ipw2100.c
index 2324e06..a576a81 100644
--- a/drivers/net/wireless/ipw2100.c
+++ b/drivers/net/wireless/ipw2100.c
@@ -5827,19 +5827,6 @@ #endif
schedule_reset(priv);
}
-/*
- * TODO: reimplement it so that it reads statistics
- * from the adapter using ordinal tables
- * instead of/in addition to collecting them
- * in the driver
- */
-static struct net_device_stats *ipw2100_stats(struct net_device *dev)
-{
- struct ipw2100_priv *priv = ieee80211_priv(dev);
-
- return &priv->ieee->stats;
-}
-
static int ipw2100_wpa_enable(struct ipw2100_priv *priv, int value)
{
/* This is called when wpa_supplicant loads and closes the driver
@@ -6022,7 +6009,6 @@ static struct net_device *ipw2100_alloc_
dev->open = ipw2100_open;
dev->stop = ipw2100_close;
dev->init = ipw2100_net_init;
- dev->get_stats = ipw2100_stats;
dev->ethtool_ops = &ipw2100_ethtool_ops;
dev->tx_timeout = ipw2100_tx_timeout;
dev->wireless_handlers = &ipw2100_wx_handler_def;
diff --git a/drivers/net/wireless/prism54/islpci_hotplug.c b/drivers/net/wireless/prism54/islpci_hotplug.c
index e0bca3a..58257b4 100644
--- a/drivers/net/wireless/prism54/islpci_hotplug.c
+++ b/drivers/net/wireless/prism54/islpci_hotplug.c
@@ -170,8 +170,8 @@ #endif
pci_set_master(pdev);
/* enable MWI */
- if (pci_set_mwi(pdev))
- goto do_pci_release_regions;
+ if (!pci_set_mwi(pdev))
+ printk(KERN_INFO "%s: pci_set_mwi(pdev) succeeded\n", DRV_NAME);
/* setup the network device interface and its structure */
if (!(ndev = islpci_setup(pdev))) {
diff --git a/drivers/net/wireless/zd1211rw/zd_chip.c b/drivers/net/wireless/zd1211rw/zd_chip.c
index aa661b2..8be99eb 100644
--- a/drivers/net/wireless/zd1211rw/zd_chip.c
+++ b/drivers/net/wireless/zd1211rw/zd_chip.c
@@ -1076,6 +1076,31 @@ static int set_mandatory_rates(struct zd
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;
@@ -1355,17 +1380,12 @@ out:
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)
diff --git a/drivers/net/wireless/zd1211rw/zd_chip.h b/drivers/net/wireless/zd1211rw/zd_chip.h
index ae59597..ca892b9 100644
--- a/drivers/net/wireless/zd1211rw/zd_chip.h
+++ b/drivers/net/wireless/zd1211rw/zd_chip.h
@@ -337,24 +337,24 @@ #define CR_ADDA_MBIAS_WARMTIME CTL_REG(
#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)
@@ -398,18 +398,18 @@ #define CR_RX_TIMEOUT CTL_REG(0x062C)
* 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
@@ -420,15 +420,24 @@ #define CR_RATES_80211B 0x000f
#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 LED_SW 0x0400
+#define LED1 (1 << 8)
+#define LED2 (1 << 9)
+#define LED_SW (1 << 10)
/* Seems to indicate that the configuration is over.
*/
@@ -455,18 +464,18 @@ #define CR_REG1 CTL_REG(0x0680)
* 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
@@ -794,6 +803,9 @@ void zd_chip_disable_rx(struct zd_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);
@@ -809,7 +821,17 @@ static inline int zd_chip_get_basic_rate
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)
{
diff --git a/drivers/net/wireless/zd1211rw/zd_def.h b/drivers/net/wireless/zd1211rw/zd_def.h
index a13ec72..fb22f62 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 66905f7..189160e 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 channe
[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 s
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 3632989..26b8298 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_rat
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
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c
index e5fedf9..2696f95 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zd1211rw/zd_mac.c
@@ -32,6 +32,8 @@ #include "zd_util.h"
static void ieee_init(struct ieee80211_device *ieee);
static void softmac_init(struct ieee80211softmac_device *sm);
+static void set_rts_cts_work(void *d);
+static void set_basic_rates_work(void *d);
static void housekeeping_init(struct zd_mac *mac);
static void housekeeping_enable(struct zd_mac *mac);
@@ -46,6 +48,8 @@ int zd_mac_init(struct zd_mac *mac,
memset(mac, 0, sizeof(*mac));
spin_lock_init(&mac->lock);
mac->netdev = netdev;
+ INIT_WORK(&mac->set_rts_cts_work, set_rts_cts_work, mac);
+ INIT_WORK(&mac->set_basic_rates_work, set_basic_rates_work, mac);
ieee_init(ieee);
softmac_init(ieee80211_priv(netdev));
@@ -213,6 +217,13 @@ int zd_mac_stop(struct net_device *netde
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);
@@ -286,6 +297,186 @@ u8 zd_mac_get_regdomain(struct zd_mac *m
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(void *d)
+{
+ struct zd_mac *mac = d;
+ 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(void *d)
+{
+ struct zd_mac *mac = d;
+ 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_work(zd_workqueue, &mac->set_rts_cts_work);
+ }
+ if (need_set_rates && !mac->updating_basic_rates) {
+ mac->updating_basic_rates = 1;
+ netif_stop_queue(mac->netdev);
+ queue_work(zd_workqueue, &mac->set_basic_rates_work);
+ }
+ spin_unlock_irqrestore(&mac->lock, flags);
+}
+
static void set_channel(struct net_device *netdev, u8 channel)
{
struct zd_mac *mac = zd_netdev_mac(netdev);
@@ -295,7 +486,6 @@ static void set_channel(struct net_devic
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;
@@ -317,31 +507,22 @@ int zd_mac_request_channel(struct zd_mac
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,
@@ -353,37 +534,7 @@ 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)
@@ -484,13 +635,13 @@ int zd_mac_get_range(struct zd_mac *mac,
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,
@@ -504,15 +655,15 @@ static int zd_calc_tx_length_us(u8 *serv
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;
@@ -532,16 +683,16 @@ 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;
}
@@ -558,39 +709,36 @@ static void cs_set_modulation(struct zd_
{
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;
@@ -607,17 +755,18 @@ static void cs_set_control(struct zd_mac
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? */
@@ -782,9 +931,11 @@ static int is_data_packet_for_us(struct
(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.
*/
@@ -810,9 +961,9 @@ static int filter_rx(struct ieee80211_de
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);
@@ -993,6 +1144,7 @@ static void ieee_init(struct ieee80211_d
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)
@@ -1028,66 +1180,6 @@ struct iw_statistics *zd_mac_get_wireles
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",
-};
-
-static const char *decryption_type_string(u8 type)
-{
- const char *s;
-
- if (type < ARRAY_SIZE(decryption_types)) {
- s = decryption_types[type];
- } else {
- s = NULL;
- }
- return s ? s : "unknown";
-}
-
-static int is_ofdm(u8 frame_status)
-{
- return (frame_status & ZD_RX_OFDM);
-}
-
-void zd_dump_rx_status(const struct rx_status *status)
-{
- const char* modulation;
- u8 quality;
-
- 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" : "");
- }
-}
-#endif /* DEBUG */
-
#define LINK_LED_WORK_DELAY HZ
static void link_led_handler(void *p)
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.h b/drivers/net/wireless/zd1211rw/zd_mac.h
index e4dd40a..5dcfb25 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.h
+++ b/drivers/net/wireless/zd1211rw/zd_mac.h
@@ -20,6 +20,7 @@ #define _ZD_MAC_H
#include <linux/wireless.h>
#include <linux/kernel.h>
+#include <linux/workqueue.h>
#include <net/ieee80211.h>
#include <net/ieee80211softmac.h>
@@ -48,10 +49,11 @@ #define ZD_CS_TYPE(modulation) ((modulat
#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_*.
*/
@@ -116,10 +118,6 @@ #define ZD_RX_NO_ADDR1_MATCH_ERROR 0x20
#define ZD_RX_CRC16_ERROR 0x40
#define ZD_RX_ERROR 0x80
-enum mac_flags {
- MAC_FIXED_CHANNEL = 0x01,
-};
-
struct housekeeping {
struct work_struct link_led_work;
};
@@ -130,15 +128,33 @@ 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_rts_cts_work;
+ struct work_struct 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)
@@ -180,7 +196,7 @@ int zd_mac_set_regdomain(struct zd_mac *
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 af3a7b3..60f1b0f 100644
--- a/drivers/net/wireless/zd1211rw/zd_netdev.c
+++ b/drivers/net/wireless/zd1211rw/zd_netdev.c
@@ -107,21 +107,10 @@ static int iw_get_freq(struct net_device
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,
diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c
index 7917153..aa782e8 100644
--- a/drivers/net/wireless/zd1211rw/zd_usb.c
+++ b/drivers/net/wireless/zd1211rw/zd_usb.c
@@ -51,11 +51,13 @@ static struct usb_device_id usb_ids[] =
{ 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 },
{}
@@ -591,6 +593,8 @@ static void handle_rx_packet(struct zd_u
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;
@@ -1114,27 +1118,28 @@ 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);
+ 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);
}
diff --git a/net/ieee80211/ieee80211_module.c b/net/ieee80211/ieee80211_module.c
index 2b14c2f..b1c6d1f 100644
--- a/net/ieee80211/ieee80211_module.c
+++ b/net/ieee80211/ieee80211_module.c
@@ -67,7 +67,7 @@ static int ieee80211_networks_allocate(s
return 0;
ieee->networks =
- kmalloc(MAX_NETWORK_COUNT * sizeof(struct ieee80211_network),
+ kzalloc(MAX_NETWORK_COUNT * sizeof(struct ieee80211_network),
GFP_KERNEL);
if (!ieee->networks) {
printk(KERN_WARNING "%s: Out of memory allocating beacons\n",
@@ -75,9 +75,6 @@ static int ieee80211_networks_allocate(s
return -ENOMEM;
}
- memset(ieee->networks, 0,
- MAX_NETWORK_COUNT * sizeof(struct ieee80211_network));
-
return 0;
}
@@ -126,6 +123,13 @@ static int ieee80211_change_mtu(struct n
return 0;
}
+static struct net_device_stats *ieee80211_generic_get_stats(
+ struct net_device *dev)
+{
+ struct ieee80211_device *ieee = netdev_priv(dev);
+ return &ieee->stats;
+}
+
struct net_device *alloc_ieee80211(int sizeof_priv)
{
struct ieee80211_device *ieee;
@@ -143,6 +147,10 @@ struct net_device *alloc_ieee80211(int s
dev->hard_start_xmit = ieee80211_xmit;
dev->change_mtu = ieee80211_change_mtu;
+ /* Drivers are free to override this if the generic implementation
+ * does not meet their needs. */
+ dev->get_stats = ieee80211_generic_get_stats;
+
ieee->dev = dev;
err = ieee80211_networks_allocate(ieee);
diff --git a/net/ieee80211/ieee80211_rx.c b/net/ieee80211/ieee80211_rx.c
index ce28d57..d97e541 100644
--- a/net/ieee80211/ieee80211_rx.c
+++ b/net/ieee80211/ieee80211_rx.c
@@ -1304,12 +1304,11 @@ #endif
case MFIE_TYPE_IBSS_DFS:
if (network->ibss_dfs)
break;
- network->ibss_dfs =
- kmalloc(info_element->len, GFP_ATOMIC);
+ network->ibss_dfs = kmemdup(info_element->data,
+ info_element->len,
+ GFP_ATOMIC);
if (!network->ibss_dfs)
return 1;
- memcpy(network->ibss_dfs, info_element->data,
- info_element->len);
network->flags |= NETWORK_HAS_IBSS_DFS;
break;
diff --git a/net/ieee80211/softmac/ieee80211softmac_auth.c b/net/ieee80211/softmac/ieee80211softmac_auth.c
index 95e5287..0612015 100644
--- a/net/ieee80211/softmac/ieee80211softmac_auth.c
+++ b/net/ieee80211/softmac/ieee80211softmac_auth.c
@@ -216,10 +216,16 @@ ieee80211softmac_auth_resp(struct net_de
net->challenge_len = *data++;
if (net->challenge_len > WLAN_AUTH_CHALLENGE_LEN)
net->challenge_len = WLAN_AUTH_CHALLENGE_LEN;
- if (net->challenge != NULL)
- kfree(net->challenge);
- net->challenge = kmalloc(net->challenge_len, GFP_ATOMIC);
- memcpy(net->challenge, data, net->challenge_len);
+ kfree(net->challenge);
+ net->challenge = kmemdup(data, net->challenge_len,
+ GFP_ATOMIC);
+ if (net->challenge == NULL) {
+ printkl(KERN_NOTICE PFX "Shared Key "
+ "Authentication failed due to "
+ "memory shortage.\n");
+ spin_unlock_irqrestore(&mac->lock, flags);
+ break;
+ }
aq->state = IEEE80211SOFTMAC_AUTH_SHARED_RESPONSE;
/* We reuse the work struct from the auth request here.
diff --git a/net/ieee80211/softmac/ieee80211softmac_scan.c b/net/ieee80211/softmac/ieee80211softmac_scan.c
index ad67368..5507fea 100644
--- a/net/ieee80211/softmac/ieee80211softmac_scan.c
+++ b/net/ieee80211/softmac/ieee80211softmac_scan.c
@@ -134,7 +134,8 @@ void ieee80211softmac_scan(void *d)
si->started = 0;
spin_unlock_irqrestore(&sm->lock, flags);
- dprintk(PFX "Scanning finished\n");
+ dprintk(PFX "Scanning finished: scanned %d channels starting with channel %d\n",
+ sm->scaninfo->number_channels, sm->scaninfo->channels[0].channel);
ieee80211softmac_scan_finished(sm);
complete_all(&sm->scaninfo->finished);
}
@@ -182,8 +183,6 @@ int ieee80211softmac_start_scan_implemen
sm->scaninfo->channels = sm->ieee->geo.bg;
sm->scaninfo->number_channels = sm->ieee->geo.bg_channels;
}
- dprintk(PFX "Start scanning with channel: %d\n", sm->scaninfo->channels[0].channel);
- dprintk(PFX "Scanning %d channels\n", sm->scaninfo->number_channels);
sm->scaninfo->current_channel_idx = 0;
sm->scaninfo->started = 1;
sm->scaninfo->stop = 0;
--
John W. Linville
linville@...driver.com
-
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