Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>
Copyright (c) 2005 Stefano Brivio <stefano.brivio@polimi.it>
- Copyright (c) 2005, 2006 Michael Buesch <mb@bu3sch.de>
+ Copyright (c) 2005-2009 Michael Buesch <mb@bu3sch.de>
Copyright (c) 2005 Danny van Dyk <kugelfang@gentoo.org>
Copyright (c) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch>
+ SDIO support
+ Copyright (c) 2009 Albert Herranz <albert_herranz@yahoo.es>
+
Some parts of the code in this file are derived from the ipw2200
driver Copyright(c) 2003 - 2004 Intel Corporation.
#include <linux/moduleparam.h>
#include <linux/if_arp.h>
#include <linux/etherdevice.h>
-#include <linux/version.h>
#include <linux/firmware.h>
#include <linux/wireless.h>
#include <linux/workqueue.h>
#include "b43.h"
#include "main.h"
#include "debugfs.h"
-#include "phy.h"
-#include "nphy.h"
+#include "phy_common.h"
+#include "phy_g.h"
+#include "phy_n.h"
#include "dma.h"
#include "pio.h"
#include "sysfs.h"
#include "xmit.h"
#include "lo.h"
#include "pcmcia.h"
+#include "sdio.h"
+#include <linux/mmc/sdio_func.h>
MODULE_DESCRIPTION("Broadcom B43 wireless driver");
MODULE_AUTHOR("Martin Langer");
MODULE_AUTHOR("Stefano Brivio");
MODULE_AUTHOR("Michael Buesch");
+MODULE_AUTHOR("Gábor Stefanik");
MODULE_LICENSE("GPL");
MODULE_FIRMWARE(B43_SUPPORTED_FIRMWARE_ID);
-
+MODULE_FIRMWARE("b43/ucode11.fw");
+MODULE_FIRMWARE("b43/ucode13.fw");
+MODULE_FIRMWARE("b43/ucode14.fw");
+MODULE_FIRMWARE("b43/ucode15.fw");
+MODULE_FIRMWARE("b43/ucode5.fw");
+MODULE_FIRMWARE("b43/ucode9.fw");
static int modparam_bad_frames_preempt;
module_param_named(bad_frames_preempt, modparam_bad_frames_preempt, int, 0444);
module_param_named(nohwcrypt, modparam_nohwcrypt, int, 0444);
MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
-int b43_modparam_qos = 1;
-module_param_named(qos, b43_modparam_qos, int, 0444);
+static int modparam_hwtkip;
+module_param_named(hwtkip, modparam_hwtkip, int, 0444);
+MODULE_PARM_DESC(hwtkip, "Enable hardware tkip.");
+
+static int modparam_qos = 1;
+module_param_named(qos, modparam_qos, int, 0444);
MODULE_PARM_DESC(qos, "Enable QOS support (default on)");
static int modparam_btcoex = 1;
module_param_named(btcoex, modparam_btcoex, int, 0444);
-MODULE_PARM_DESC(btcoex, "Enable Bluetooth coexistance (default on)");
+MODULE_PARM_DESC(btcoex, "Enable Bluetooth coexistence (default on)");
+
+int b43_modparam_verbose = B43_VERBOSITY_DEFAULT;
+module_param_named(verbose, b43_modparam_verbose, int, 0644);
+MODULE_PARM_DESC(verbose, "Log message verbosity: 0=error, 1=warn, 2=info(default), 3=debug");
+static int modparam_pio;
+module_param_named(pio, modparam_pio, int, 0444);
+MODULE_PARM_DESC(pio, "enable(1) / disable(0) PIO mode");
static const struct ssb_device_id b43_ssb_tbl[] = {
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 5),
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 9),
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 10),
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 11),
+ SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 12),
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 13),
+ SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 15),
+ SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 16),
SSB_DEVTABLE_END
};
static void b43_wireless_core_exit(struct b43_wldev *dev);
static int b43_wireless_core_init(struct b43_wldev *dev);
-static void b43_wireless_core_stop(struct b43_wldev *dev);
+static struct b43_wldev * b43_wireless_core_stop(struct b43_wldev *dev);
static int b43_wireless_core_start(struct b43_wldev *dev);
static int b43_ratelimit(struct b43_wl *wl)
{
va_list args;
+ if (b43_modparam_verbose < B43_VERBOSITY_INFO)
+ return;
if (!b43_ratelimit(wl))
return;
va_start(args, fmt);
{
va_list args;
+ if (b43_modparam_verbose < B43_VERBOSITY_ERROR)
+ return;
if (!b43_ratelimit(wl))
return;
va_start(args, fmt);
{
va_list args;
+ if (b43_modparam_verbose < B43_VERBOSITY_WARN)
+ return;
if (!b43_ratelimit(wl))
return;
va_start(args, fmt);
va_end(args);
}
-#if B43_DEBUG
void b43dbg(struct b43_wl *wl, const char *fmt, ...)
{
va_list args;
+ if (b43_modparam_verbose < B43_VERBOSITY_DEBUG)
+ return;
va_start(args, fmt);
printk(KERN_DEBUG "b43-%s debug: ",
(wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan");
vprintk(fmt, args);
va_end(args);
}
-#endif /* DEBUG */
static void b43_ram_write(struct b43_wldev *dev, u16 offset, u32 val)
{
u32 b43_shm_read32(struct b43_wldev *dev, u16 routing, u16 offset)
{
- struct b43_wl *wl = dev->wl;
- unsigned long flags;
u32 ret;
- spin_lock_irqsave(&wl->shm_lock, flags);
if (routing == B43_SHM_SHARED) {
B43_WARN_ON(offset & 0x0001);
if (offset & 0x0003) {
/* Unaligned access */
b43_shm_control_word(dev, routing, offset >> 2);
ret = b43_read16(dev, B43_MMIO_SHM_DATA_UNALIGNED);
- ret <<= 16;
b43_shm_control_word(dev, routing, (offset >> 2) + 1);
- ret |= b43_read16(dev, B43_MMIO_SHM_DATA);
+ ret |= ((u32)b43_read16(dev, B43_MMIO_SHM_DATA)) << 16;
goto out;
}
b43_shm_control_word(dev, routing, offset);
ret = b43_read32(dev, B43_MMIO_SHM_DATA);
out:
- spin_unlock_irqrestore(&wl->shm_lock, flags);
-
return ret;
}
-u16 b43_shm_read16(struct b43_wldev * dev, u16 routing, u16 offset)
+u16 b43_shm_read16(struct b43_wldev *dev, u16 routing, u16 offset)
{
- struct b43_wl *wl = dev->wl;
- unsigned long flags;
u16 ret;
- spin_lock_irqsave(&wl->shm_lock, flags);
if (routing == B43_SHM_SHARED) {
B43_WARN_ON(offset & 0x0001);
if (offset & 0x0003) {
b43_shm_control_word(dev, routing, offset);
ret = b43_read16(dev, B43_MMIO_SHM_DATA);
out:
- spin_unlock_irqrestore(&wl->shm_lock, flags);
-
return ret;
}
void b43_shm_write32(struct b43_wldev *dev, u16 routing, u16 offset, u32 value)
{
- struct b43_wl *wl = dev->wl;
- unsigned long flags;
-
- spin_lock_irqsave(&wl->shm_lock, flags);
if (routing == B43_SHM_SHARED) {
B43_WARN_ON(offset & 0x0001);
if (offset & 0x0003) {
/* Unaligned access */
b43_shm_control_word(dev, routing, offset >> 2);
b43_write16(dev, B43_MMIO_SHM_DATA_UNALIGNED,
- (value >> 16) & 0xffff);
+ value & 0xFFFF);
b43_shm_control_word(dev, routing, (offset >> 2) + 1);
- b43_write16(dev, B43_MMIO_SHM_DATA, value & 0xffff);
- goto out;
+ b43_write16(dev, B43_MMIO_SHM_DATA,
+ (value >> 16) & 0xFFFF);
+ return;
}
offset >>= 2;
}
b43_shm_control_word(dev, routing, offset);
b43_write32(dev, B43_MMIO_SHM_DATA, value);
-out:
- spin_unlock_irqrestore(&wl->shm_lock, flags);
}
void b43_shm_write16(struct b43_wldev *dev, u16 routing, u16 offset, u16 value)
{
- struct b43_wl *wl = dev->wl;
- unsigned long flags;
-
- spin_lock_irqsave(&wl->shm_lock, flags);
if (routing == B43_SHM_SHARED) {
B43_WARN_ON(offset & 0x0001);
if (offset & 0x0003) {
/* Unaligned access */
b43_shm_control_word(dev, routing, offset >> 2);
b43_write16(dev, B43_MMIO_SHM_DATA_UNALIGNED, value);
- goto out;
+ return;
}
offset >>= 2;
}
b43_shm_control_word(dev, routing, offset);
b43_write16(dev, B43_MMIO_SHM_DATA, value);
-out:
- spin_unlock_irqrestore(&wl->shm_lock, flags);
}
/* Read HostFlags */
-u64 b43_hf_read(struct b43_wldev * dev)
+u64 b43_hf_read(struct b43_wldev *dev)
{
u64 ret;
b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFHI, hi);
}
-void b43_tsf_read(struct b43_wldev *dev, u64 * tsf)
+/* Read the firmware capabilities bitmask (Opensource firmware only) */
+static u16 b43_fwcapa_read(struct b43_wldev *dev)
{
- /* We need to be careful. As we read the TSF from multiple
- * registers, we should take care of register overflows.
- * In theory, the whole tsf read process should be atomic.
- * We try to be atomic here, by restaring the read process,
- * if any of the high registers changed (overflew).
- */
- if (dev->dev->id.revision >= 3) {
- u32 low, high, high2;
-
- do {
- high = b43_read32(dev, B43_MMIO_REV3PLUS_TSF_HIGH);
- low = b43_read32(dev, B43_MMIO_REV3PLUS_TSF_LOW);
- high2 = b43_read32(dev, B43_MMIO_REV3PLUS_TSF_HIGH);
- } while (unlikely(high != high2));
+ B43_WARN_ON(!dev->fw.opensource);
+ return b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_FWCAPA);
+}
- *tsf = high;
- *tsf <<= 32;
- *tsf |= low;
- } else {
- u64 tmp;
- u16 v0, v1, v2, v3;
- u16 test1, test2, test3;
+void b43_tsf_read(struct b43_wldev *dev, u64 *tsf)
+{
+ u32 low, high;
- do {
- v3 = b43_read16(dev, B43_MMIO_TSF_3);
- v2 = b43_read16(dev, B43_MMIO_TSF_2);
- v1 = b43_read16(dev, B43_MMIO_TSF_1);
- v0 = b43_read16(dev, B43_MMIO_TSF_0);
+ B43_WARN_ON(dev->dev->id.revision < 3);
- test3 = b43_read16(dev, B43_MMIO_TSF_3);
- test2 = b43_read16(dev, B43_MMIO_TSF_2);
- test1 = b43_read16(dev, B43_MMIO_TSF_1);
- } while (v3 != test3 || v2 != test2 || v1 != test1);
+ /* The hardware guarantees us an atomic read, if we
+ * read the low register first. */
+ low = b43_read32(dev, B43_MMIO_REV3PLUS_TSF_LOW);
+ high = b43_read32(dev, B43_MMIO_REV3PLUS_TSF_HIGH);
- *tsf = v3;
- *tsf <<= 48;
- tmp = v2;
- tmp <<= 32;
- *tsf |= tmp;
- tmp = v1;
- tmp <<= 16;
- *tsf |= tmp;
- *tsf |= v0;
- }
+ *tsf = high;
+ *tsf <<= 32;
+ *tsf |= low;
}
static void b43_time_lock(struct b43_wldev *dev)
static void b43_tsf_write_locked(struct b43_wldev *dev, u64 tsf)
{
- /* Be careful with the in-progress timer.
- * First zero out the low register, so we have a full
- * register-overflow duration to complete the operation.
- */
- if (dev->dev->id.revision >= 3) {
- u32 lo = (tsf & 0x00000000FFFFFFFFULL);
- u32 hi = (tsf & 0xFFFFFFFF00000000ULL) >> 32;
-
- b43_write32(dev, B43_MMIO_REV3PLUS_TSF_LOW, 0);
- mmiowb();
- b43_write32(dev, B43_MMIO_REV3PLUS_TSF_HIGH, hi);
- mmiowb();
- b43_write32(dev, B43_MMIO_REV3PLUS_TSF_LOW, lo);
- } else {
- u16 v0 = (tsf & 0x000000000000FFFFULL);
- u16 v1 = (tsf & 0x00000000FFFF0000ULL) >> 16;
- u16 v2 = (tsf & 0x0000FFFF00000000ULL) >> 32;
- u16 v3 = (tsf & 0xFFFF000000000000ULL) >> 48;
+ u32 low, high;
- b43_write16(dev, B43_MMIO_TSF_0, 0);
- mmiowb();
- b43_write16(dev, B43_MMIO_TSF_3, v3);
- mmiowb();
- b43_write16(dev, B43_MMIO_TSF_2, v2);
- mmiowb();
- b43_write16(dev, B43_MMIO_TSF_1, v1);
- mmiowb();
- b43_write16(dev, B43_MMIO_TSF_0, v0);
- }
+ B43_WARN_ON(dev->dev->id.revision < 3);
+
+ low = tsf;
+ high = (tsf >> 32);
+ /* The hardware guarantees us an atomic write, if we
+ * write the low register first. */
+ b43_write32(dev, B43_MMIO_REV3PLUS_TSF_LOW, low);
+ mmiowb();
+ b43_write32(dev, B43_MMIO_REV3PLUS_TSF_HIGH, high);
+ mmiowb();
}
void b43_tsf_write(struct b43_wldev *dev, u64 tsf)
}
static
-void b43_macfilter_set(struct b43_wldev *dev, u16 offset, const u8 * mac)
+void b43_macfilter_set(struct b43_wldev *dev, u16 offset, const u8 *mac)
{
static const u8 zero_addr[ETH_ALEN] = { 0 };
u16 data;
static void b43_short_slot_timing_enable(struct b43_wldev *dev)
{
b43_set_slot_time(dev, 9);
- dev->short_slot = 1;
}
static void b43_short_slot_timing_disable(struct b43_wldev *dev)
{
b43_set_slot_time(dev, 20);
- dev->short_slot = 0;
-}
-
-/* Enable a Generic IRQ. "mask" is the mask of which IRQs to enable.
- * Returns the _previously_ enabled IRQ mask.
- */
-static inline u32 b43_interrupt_enable(struct b43_wldev *dev, u32 mask)
-{
- u32 old_mask;
-
- old_mask = b43_read32(dev, B43_MMIO_GEN_IRQ_MASK);
- b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, old_mask | mask);
-
- return old_mask;
-}
-
-/* Disable a Generic IRQ. "mask" is the mask of which IRQs to disable.
- * Returns the _previously_ enabled IRQ mask.
- */
-static inline u32 b43_interrupt_disable(struct b43_wldev *dev, u32 mask)
-{
- u32 old_mask;
-
- old_mask = b43_read32(dev, B43_MMIO_GEN_IRQ_MASK);
- b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, old_mask & ~mask);
-
- return old_mask;
-}
-
-/* Synchronize IRQ top- and bottom-half.
- * IRQs must be masked before calling this.
- * This must not be called with the irq_lock held.
- */
-static void b43_synchronize_irq(struct b43_wldev *dev)
-{
- synchronize_irq(dev->dev->irq);
- tasklet_kill(&dev->isr_tasklet);
}
/* DummyTransmission function, as documented on
- * http://bcm-specs.sipsolutions.net/DummyTransmission
+ * http://bcm-v4.sipsolutions.net/802.11/DummyTransmission
*/
-void b43_dummy_transmission(struct b43_wldev *dev)
+void b43_dummy_transmission(struct b43_wldev *dev, bool ofdm, bool pa_on)
{
- struct b43_wl *wl = dev->wl;
struct b43_phy *phy = &dev->phy;
unsigned int i, max_loop;
u16 value;
0x00000000,
};
- switch (phy->type) {
- case B43_PHYTYPE_A:
+ if (ofdm) {
max_loop = 0x1E;
buffer[0] = 0x000201CC;
- break;
- case B43_PHYTYPE_B:
- case B43_PHYTYPE_G:
+ } else {
max_loop = 0xFA;
buffer[0] = 0x000B846E;
- break;
- default:
- B43_WARN_ON(1);
- return;
}
- spin_lock_irq(&wl->irq_lock);
- write_lock(&wl->tx_lock);
-
for (i = 0; i < 5; i++)
b43_ram_write(dev, i * 4, buffer[i]);
- /* Commit writes */
- b43_read32(dev, B43_MMIO_MACCTL);
-
b43_write16(dev, 0x0568, 0x0000);
- b43_write16(dev, 0x07C0, 0x0000);
- value = ((phy->type == B43_PHYTYPE_A) ? 1 : 0);
+ if (dev->dev->id.revision < 11)
+ b43_write16(dev, 0x07C0, 0x0000);
+ else
+ b43_write16(dev, 0x07C0, 0x0100);
+ value = (ofdm ? 0x41 : 0x40);
b43_write16(dev, 0x050C, value);
+ if ((phy->type == B43_PHYTYPE_N) || (phy->type == B43_PHYTYPE_LP))
+ b43_write16(dev, 0x0514, 0x1A02);
b43_write16(dev, 0x0508, 0x0000);
b43_write16(dev, 0x050A, 0x0000);
b43_write16(dev, 0x054C, 0x0000);
b43_write16(dev, 0x056A, 0x0014);
b43_write16(dev, 0x0568, 0x0826);
b43_write16(dev, 0x0500, 0x0000);
- b43_write16(dev, 0x0502, 0x0030);
+ if (!pa_on && (phy->type == B43_PHYTYPE_N)) {
+ //SPEC TODO
+ }
+
+ switch (phy->type) {
+ case B43_PHYTYPE_N:
+ b43_write16(dev, 0x0502, 0x00D0);
+ break;
+ case B43_PHYTYPE_LP:
+ b43_write16(dev, 0x0502, 0x0050);
+ break;
+ default:
+ b43_write16(dev, 0x0502, 0x0030);
+ }
if (phy->radio_ver == 0x2050 && phy->radio_rev <= 0x5)
b43_radio_write16(dev, 0x0051, 0x0017);
break;
udelay(10);
}
- for (i = 0x00; i < 0x0A; i++) {
+ for (i = 0x00; i < 0x19; i++) {
value = b43_read16(dev, 0x0690);
if (!(value & 0x0100))
break;
}
if (phy->radio_ver == 0x2050 && phy->radio_rev <= 0x5)
b43_radio_write16(dev, 0x0051, 0x0037);
-
- write_unlock(&wl->tx_lock);
- spin_unlock_irq(&wl->irq_lock);
}
static void key_write(struct b43_wldev *dev,
- u8 index, u8 algorithm, const u8 * key)
+ u8 index, u8 algorithm, const u8 *key)
{
unsigned int i;
u32 offset;
}
}
-static void keymac_write(struct b43_wldev *dev, u8 index, const u8 * addr)
+static void keymac_write(struct b43_wldev *dev, u8 index, const u8 *addr)
{
u32 addrtmp[2] = { 0, 0, };
- u8 per_sta_keys_start = 8;
+ u8 pairwise_keys_start = B43_NR_GROUP_KEYS * 2;
if (b43_new_kidx_api(dev))
- per_sta_keys_start = 4;
+ pairwise_keys_start = B43_NR_GROUP_KEYS;
- B43_WARN_ON(index < per_sta_keys_start);
- /* We have two default TX keys and possibly two default RX keys.
+ B43_WARN_ON(index < pairwise_keys_start);
+ /* We have four default TX keys and possibly four default RX keys.
* Physical mac 0 is mapped to physical key 4 or 8, depending
* on the firmware version.
* So we must adjust the index here.
*/
- index -= per_sta_keys_start;
+ index -= pairwise_keys_start;
+ B43_WARN_ON(index >= B43_NR_PAIRWISE_KEYS);
if (addr) {
addrtmp[0] = addr[0];
addrtmp[1] |= ((u32) (addr[5]) << 8);
}
- if (dev->dev->id.revision >= 5) {
- /* Receive match transmitter address mechanism */
- b43_shm_write32(dev, B43_SHM_RCMTA,
- (index * 2) + 0, addrtmp[0]);
- b43_shm_write16(dev, B43_SHM_RCMTA,
- (index * 2) + 1, addrtmp[1]);
- } else {
- /* RXE (Receive Engine) and
- * PSM (Programmable State Machine) mechanism
- */
- if (index < 8) {
- /* TODO write to RCM 16, 19, 22 and 25 */
- } else {
- b43_shm_write32(dev, B43_SHM_SHARED,
- B43_SHM_SH_PSM + (index * 6) + 0,
- addrtmp[0]);
- b43_shm_write16(dev, B43_SHM_SHARED,
- B43_SHM_SH_PSM + (index * 6) + 4,
- addrtmp[1]);
- }
+ /* Receive match transmitter address (RCMTA) mechanism */
+ b43_shm_write32(dev, B43_SHM_RCMTA,
+ (index * 2) + 0, addrtmp[0]);
+ b43_shm_write16(dev, B43_SHM_RCMTA,
+ (index * 2) + 1, addrtmp[1]);
+}
+
+/* The ucode will use phase1 key with TEK key to decrypt rx packets.
+ * When a packet is received, the iv32 is checked.
+ * - if it doesn't the packet is returned without modification (and software
+ * decryption can be done). That's what happen when iv16 wrap.
+ * - if it does, the rc4 key is computed, and decryption is tried.
+ * Either it will success and B43_RX_MAC_DEC is returned,
+ * either it fails and B43_RX_MAC_DEC|B43_RX_MAC_DECERR is returned
+ * and the packet is not usable (it got modified by the ucode).
+ * So in order to never have B43_RX_MAC_DECERR, we should provide
+ * a iv32 and phase1key that match. Because we drop packets in case of
+ * B43_RX_MAC_DECERR, if we have a correct iv32 but a wrong phase1key, all
+ * packets will be lost without higher layer knowing (ie no resync possible
+ * until next wrap).
+ *
+ * NOTE : this should support 50 key like RCMTA because
+ * (B43_SHM_SH_KEYIDXBLOCK - B43_SHM_SH_TKIPTSCTTAK)/14 = 50
+ */
+static void rx_tkip_phase1_write(struct b43_wldev *dev, u8 index, u32 iv32,
+ u16 *phase1key)
+{
+ unsigned int i;
+ u32 offset;
+ u8 pairwise_keys_start = B43_NR_GROUP_KEYS * 2;
+
+ if (!modparam_hwtkip)
+ return;
+
+ if (b43_new_kidx_api(dev))
+ pairwise_keys_start = B43_NR_GROUP_KEYS;
+
+ B43_WARN_ON(index < pairwise_keys_start);
+ /* We have four default TX keys and possibly four default RX keys.
+ * Physical mac 0 is mapped to physical key 4 or 8, depending
+ * on the firmware version.
+ * So we must adjust the index here.
+ */
+ index -= pairwise_keys_start;
+ B43_WARN_ON(index >= B43_NR_PAIRWISE_KEYS);
+
+ if (b43_debug(dev, B43_DBG_KEYS)) {
+ b43dbg(dev->wl, "rx_tkip_phase1_write : idx 0x%x, iv32 0x%x\n",
+ index, iv32);
}
+ /* Write the key to the RX tkip shared mem */
+ offset = B43_SHM_SH_TKIPTSCTTAK + index * (10 + 4);
+ for (i = 0; i < 10; i += 2) {
+ b43_shm_write16(dev, B43_SHM_SHARED, offset + i,
+ phase1key ? phase1key[i / 2] : 0);
+ }
+ b43_shm_write16(dev, B43_SHM_SHARED, offset + i, iv32);
+ b43_shm_write16(dev, B43_SHM_SHARED, offset + i + 2, iv32 >> 16);
+}
+
+static void b43_op_update_tkip_key(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_key_conf *keyconf,
+ struct ieee80211_sta *sta,
+ u32 iv32, u16 *phase1key)
+{
+ struct b43_wl *wl = hw_to_b43_wl(hw);
+ struct b43_wldev *dev;
+ int index = keyconf->hw_key_idx;
+
+ if (B43_WARN_ON(!modparam_hwtkip))
+ return;
+
+ mutex_lock(&wl->mutex);
+
+ dev = wl->current_dev;
+ if (!dev || b43_status(dev) < B43_STAT_INITIALIZED)
+ goto out_unlock;
+
+ keymac_write(dev, index, NULL); /* First zero out mac to avoid race */
+
+ rx_tkip_phase1_write(dev, index, iv32, phase1key);
+ /* only pairwise TKIP keys are supported right now */
+ if (WARN_ON(!sta))
+ goto out_unlock;
+ keymac_write(dev, index, sta->addr);
+
+out_unlock:
+ mutex_unlock(&wl->mutex);
}
static void do_key_write(struct b43_wldev *dev,
u8 index, u8 algorithm,
- const u8 * key, size_t key_len, const u8 * mac_addr)
+ const u8 *key, size_t key_len, const u8 *mac_addr)
{
u8 buf[B43_SEC_KEYSIZE] = { 0, };
- u8 per_sta_keys_start = 8;
+ u8 pairwise_keys_start = B43_NR_GROUP_KEYS * 2;
if (b43_new_kidx_api(dev))
- per_sta_keys_start = 4;
+ pairwise_keys_start = B43_NR_GROUP_KEYS;
- B43_WARN_ON(index >= dev->max_nr_keys);
+ B43_WARN_ON(index >= ARRAY_SIZE(dev->key));
B43_WARN_ON(key_len > B43_SEC_KEYSIZE);
- if (index >= per_sta_keys_start)
+ if (index >= pairwise_keys_start)
keymac_write(dev, index, NULL); /* First zero out mac. */
+ if (algorithm == B43_SEC_ALGO_TKIP) {
+ /*
+ * We should provide an initial iv32, phase1key pair.
+ * We could start with iv32=0 and compute the corresponding
+ * phase1key, but this means calling ieee80211_get_tkip_key
+ * with a fake skb (or export other tkip function).
+ * Because we are lazy we hope iv32 won't start with
+ * 0xffffffff and let's b43_op_update_tkip_key provide a
+ * correct pair.
+ */
+ rx_tkip_phase1_write(dev, index, 0xffffffff, (u16*)buf);
+ } else if (index >= pairwise_keys_start) /* clear it */
+ rx_tkip_phase1_write(dev, index, 0, NULL);
if (key)
memcpy(buf, key, key_len);
key_write(dev, index, algorithm, buf);
- if (index >= per_sta_keys_start)
+ if (index >= pairwise_keys_start)
keymac_write(dev, index, mac_addr);
dev->key[index].algorithm = algorithm;
static int b43_key_write(struct b43_wldev *dev,
int index, u8 algorithm,
- const u8 * key, size_t key_len,
- const u8 * mac_addr,
+ const u8 *key, size_t key_len,
+ const u8 *mac_addr,
struct ieee80211_key_conf *keyconf)
{
int i;
- int sta_keys_start;
-
+ int pairwise_keys_start;
+
+ /* For ALG_TKIP the key is encoded as a 256-bit (32 byte) data block:
+ * - Temporal Encryption Key (128 bits)
+ * - Temporal Authenticator Tx MIC Key (64 bits)
+ * - Temporal Authenticator Rx MIC Key (64 bits)
+ *
+ * Hardware only store TEK
+ */
+ if (algorithm == B43_SEC_ALGO_TKIP && key_len == 32)
+ key_len = 16;
if (key_len > B43_SEC_KEYSIZE)
return -EINVAL;
- for (i = 0; i < dev->max_nr_keys; i++) {
+ for (i = 0; i < ARRAY_SIZE(dev->key); i++) {
/* Check that we don't already have this key. */
B43_WARN_ON(dev->key[i].keyconf == keyconf);
}
if (index < 0) {
- /* Either pairwise key or address is 00:00:00:00:00:00
- * for transmit-only keys. Search the index. */
+ /* Pairwise key. Get an empty slot for the key. */
if (b43_new_kidx_api(dev))
- sta_keys_start = 4;
+ pairwise_keys_start = B43_NR_GROUP_KEYS;
else
- sta_keys_start = 8;
- for (i = sta_keys_start; i < dev->max_nr_keys; i++) {
+ pairwise_keys_start = B43_NR_GROUP_KEYS * 2;
+ for (i = pairwise_keys_start;
+ i < pairwise_keys_start + B43_NR_PAIRWISE_KEYS;
+ i++) {
+ B43_WARN_ON(i >= ARRAY_SIZE(dev->key));
if (!dev->key[i].keyconf) {
/* found empty */
index = i;
}
}
if (index < 0) {
- b43err(dev->wl, "Out of hardware key memory\n");
+ b43warn(dev->wl, "Out of hardware key memory\n");
return -ENOSPC;
}
} else
static int b43_key_clear(struct b43_wldev *dev, int index)
{
- if (B43_WARN_ON((index < 0) || (index >= dev->max_nr_keys)))
+ if (B43_WARN_ON((index < 0) || (index >= ARRAY_SIZE(dev->key))))
return -EINVAL;
do_key_write(dev, index, B43_SEC_ALGO_NONE,
NULL, B43_SEC_KEYSIZE, NULL);
static void b43_clear_keys(struct b43_wldev *dev)
{
- int i;
+ int i, count;
- for (i = 0; i < dev->max_nr_keys; i++)
+ if (b43_new_kidx_api(dev))
+ count = B43_NR_GROUP_KEYS + B43_NR_PAIRWISE_KEYS;
+ else
+ count = B43_NR_GROUP_KEYS * 2 + B43_NR_PAIRWISE_KEYS;
+ for (i = 0; i < count; i++)
b43_key_clear(dev, i);
}
+static void b43_dump_keymemory(struct b43_wldev *dev)
+{
+ unsigned int i, index, count, offset, pairwise_keys_start;
+ u8 mac[ETH_ALEN];
+ u16 algo;
+ u32 rcmta0;
+ u16 rcmta1;
+ u64 hf;
+ struct b43_key *key;
+
+ if (!b43_debug(dev, B43_DBG_KEYS))
+ return;
+
+ hf = b43_hf_read(dev);
+ b43dbg(dev->wl, "Hardware key memory dump: USEDEFKEYS=%u\n",
+ !!(hf & B43_HF_USEDEFKEYS));
+ if (b43_new_kidx_api(dev)) {
+ pairwise_keys_start = B43_NR_GROUP_KEYS;
+ count = B43_NR_GROUP_KEYS + B43_NR_PAIRWISE_KEYS;
+ } else {
+ pairwise_keys_start = B43_NR_GROUP_KEYS * 2;
+ count = B43_NR_GROUP_KEYS * 2 + B43_NR_PAIRWISE_KEYS;
+ }
+ for (index = 0; index < count; index++) {
+ key = &(dev->key[index]);
+ printk(KERN_DEBUG "Key slot %02u: %s",
+ index, (key->keyconf == NULL) ? " " : "*");
+ offset = dev->ktp + (index * B43_SEC_KEYSIZE);
+ for (i = 0; i < B43_SEC_KEYSIZE; i += 2) {
+ u16 tmp = b43_shm_read16(dev, B43_SHM_SHARED, offset + i);
+ printk("%02X%02X", (tmp & 0xFF), ((tmp >> 8) & 0xFF));
+ }
+
+ algo = b43_shm_read16(dev, B43_SHM_SHARED,
+ B43_SHM_SH_KEYIDXBLOCK + (index * 2));
+ printk(" Algo: %04X/%02X", algo, key->algorithm);
+
+ if (index >= pairwise_keys_start) {
+ if (key->algorithm == B43_SEC_ALGO_TKIP) {
+ printk(" TKIP: ");
+ offset = B43_SHM_SH_TKIPTSCTTAK + (index - 4) * (10 + 4);
+ for (i = 0; i < 14; i += 2) {
+ u16 tmp = b43_shm_read16(dev, B43_SHM_SHARED, offset + i);
+ printk("%02X%02X", (tmp & 0xFF), ((tmp >> 8) & 0xFF));
+ }
+ }
+ rcmta0 = b43_shm_read32(dev, B43_SHM_RCMTA,
+ ((index - pairwise_keys_start) * 2) + 0);
+ rcmta1 = b43_shm_read16(dev, B43_SHM_RCMTA,
+ ((index - pairwise_keys_start) * 2) + 1);
+ *((__le32 *)(&mac[0])) = cpu_to_le32(rcmta0);
+ *((__le16 *)(&mac[4])) = cpu_to_le16(rcmta1);
+ printk(" MAC: %pM", mac);
+ } else
+ printk(" DEFAULT KEY");
+ printk("\n");
+ }
+}
+
void b43_power_saving_ctl_bits(struct b43_wldev *dev, unsigned int ps_flags)
{
u32 macctl;
}
}
-/* Turn the Analog ON/OFF */
-static void b43_switch_analog(struct b43_wldev *dev, int on)
-{
- switch (dev->phy.type) {
- case B43_PHYTYPE_A:
- case B43_PHYTYPE_G:
- b43_write16(dev, B43_MMIO_PHY0, on ? 0 : 0xF4);
- break;
- case B43_PHYTYPE_N:
- b43_phy_write(dev, B43_NPHY_AFECTL_OVER,
- on ? 0 : 0x7FFF);
- break;
- default:
- B43_WARN_ON(1);
- }
-}
-
void b43_wireless_core_reset(struct b43_wldev *dev, u32 flags)
{
u32 tmslow;
ssb_read32(dev->dev, SSB_TMSLOW); /* flush */
msleep(1);
- /* Turn Analog ON */
- b43_switch_analog(dev, 1);
+ /* Turn Analog ON, but only if we already know the PHY-type.
+ * This protects against very early setup where we don't know the
+ * PHY-type, yet. wireless_core_reset will be called once again later,
+ * when we know the PHY-type. */
+ if (dev->phy.ops)
+ dev->phy.ops->switch_analog(dev, 1);
macctl = b43_read32(dev, B43_MMIO_MACCTL);
macctl &= ~B43_MACCTL_GMODE;
b43_jssi_write(dev, 0x7F7F7F7F);
b43_write32(dev, B43_MMIO_MACCMD,
b43_read32(dev, B43_MMIO_MACCMD) | B43_MACCMD_BGNOISE);
- B43_WARN_ON(dev->noisecalc.channel_at_start != dev->phy.channel);
}
static void b43_calculate_link_quality(struct b43_wldev *dev)
{
/* Top half of Link Quality calculation. */
+ if (dev->phy.type != B43_PHYTYPE_G)
+ return;
if (dev->noisecalc.calculation_running)
return;
- dev->noisecalc.channel_at_start = dev->phy.channel;
dev->noisecalc.calculation_running = 1;
dev->noisecalc.nr_samples = 0;
static void handle_irq_noise(struct b43_wldev *dev)
{
- struct b43_phy *phy = &dev->phy;
+ struct b43_phy_g *phy = dev->phy.g;
u16 tmp;
u8 noise[4];
u8 i, j;
/* Bottom half of Link Quality calculation. */
+ if (dev->phy.type != B43_PHYTYPE_G)
+ return;
+
+ /* Possible race condition: It might be possible that the user
+ * changed to a different channel in the meantime since we
+ * started the calculation. We ignore that fact, since it's
+ * not really that much of a problem. The background noise is
+ * an estimation only anyway. Slightly wrong results will get damped
+ * by the averaging of the 8 sample rounds. Additionally the
+ * value is shortlived. So it will be replaced by the next noise
+ * calculation round soon. */
+
B43_WARN_ON(!dev->noisecalc.calculation_running);
- if (dev->noisecalc.channel_at_start != phy->channel)
- goto drop_calculation;
*((__le32 *)noise) = cpu_to_le32(b43_jssi_read(dev));
if (noise[0] == 0x7F || noise[1] == 0x7F ||
noise[2] == 0x7F || noise[3] == 0x7F)
/* Get the noise samples. */
B43_WARN_ON(dev->noisecalc.nr_samples >= 8);
i = dev->noisecalc.nr_samples;
- noise[0] = limit_value(noise[0], 0, ARRAY_SIZE(phy->nrssi_lt) - 1);
- noise[1] = limit_value(noise[1], 0, ARRAY_SIZE(phy->nrssi_lt) - 1);
- noise[2] = limit_value(noise[2], 0, ARRAY_SIZE(phy->nrssi_lt) - 1);
- noise[3] = limit_value(noise[3], 0, ARRAY_SIZE(phy->nrssi_lt) - 1);
+ noise[0] = clamp_val(noise[0], 0, ARRAY_SIZE(phy->nrssi_lt) - 1);
+ noise[1] = clamp_val(noise[1], 0, ARRAY_SIZE(phy->nrssi_lt) - 1);
+ noise[2] = clamp_val(noise[2], 0, ARRAY_SIZE(phy->nrssi_lt) - 1);
+ noise[3] = clamp_val(noise[3], 0, ARRAY_SIZE(phy->nrssi_lt) - 1);
dev->noisecalc.samples[i][0] = phy->nrssi_lt[noise[0]];
dev->noisecalc.samples[i][1] = phy->nrssi_lt[noise[1]];
dev->noisecalc.samples[i][2] = phy->nrssi_lt[noise[2]];
average -= 48;
dev->stats.link_noise = average;
- drop_calculation:
dev->noisecalc.calculation_running = 0;
return;
}
- generate_new:
+generate_new:
b43_generate_noise_sample(dev);
}
static void handle_irq_tbtt_indication(struct b43_wldev *dev)
{
- if (b43_is_mode(dev->wl, IEEE80211_IF_TYPE_AP)) {
+ if (b43_is_mode(dev->wl, NL80211_IFTYPE_AP)) {
///TODO: PS TBTT
} else {
if (1 /*FIXME: the last PSpoll frame was sent successfully */ )
b43_power_saving_ctl_bits(dev, 0);
}
- if (b43_is_mode(dev->wl, IEEE80211_IF_TYPE_IBSS))
+ if (b43_is_mode(dev->wl, NL80211_IFTYPE_ADHOC))
dev->dfq_valid = 1;
}
}
static void b43_write_template_common(struct b43_wldev *dev,
- const u8 * data, u16 size,
+ const u8 *data, u16 size,
u16 ram_offset,
u16 shm_size_offset, u8 rate)
{
return antenna_nr;
}
-static int b43_antenna_from_ieee80211(struct b43_wldev *dev, u8 antenna)
-{
- antenna = b43_ieee80211_antenna_sanitize(dev, antenna);
- switch (antenna) {
- case 0: /* default/diversity */
- return B43_ANTENNA_DEFAULT;
- case 1: /* Antenna 0 */
- return B43_ANTENNA0;
- case 2: /* Antenna 1 */
- return B43_ANTENNA1;
- case 3: /* Antenna 2 */
- return B43_ANTENNA2;
- case 4: /* Antenna 3 */
- return B43_ANTENNA3;
- default:
- return B43_ANTENNA_DEFAULT;
- }
-}
-
/* Convert a b43 antenna number value to the PHY TX control value. */
static u16 b43_antenna_to_phyctl(int antenna)
{
return B43_TXH_PHY_ANT2;
case B43_ANTENNA3:
return B43_TXH_PHY_ANT3;
- case B43_ANTENNA_AUTO:
+ case B43_ANTENNA_AUTO0:
+ case B43_ANTENNA_AUTO1:
return B43_TXH_PHY_ANT01AUTO;
}
B43_WARN_ON(1);
unsigned int rate;
u16 ctl;
int antenna;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(dev->wl->current_beacon);
bcn = (const struct ieee80211_mgmt *)(dev->wl->current_beacon->data);
len = min((size_t) dev->wl->current_beacon->len,
0x200 - sizeof(struct b43_plcp_hdr6));
- rate = dev->wl->beacon_txctl.tx_rate->hw_value;
+ rate = ieee80211_get_tx_rate(dev->wl->hw, info)->hw_value;
b43_write_template_common(dev, (const u8 *)bcn,
len, ram_offset, shm_size_offset, rate);
/* Write the PHY TX control parameters. */
- antenna = b43_antenna_from_ieee80211(dev,
- dev->wl->beacon_txctl.antenna_sel_tx);
+ antenna = B43_ANTENNA_DEFAULT;
antenna = b43_antenna_to_phyctl(antenna);
ctl = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL);
/* We can't send beacons with short preamble. Would get PHY errors. */
i += ie_len + 2;
}
if (!tim_found) {
- b43warn(dev->wl, "Did not find a valid TIM IE in "
- "the beacon template packet. AP or IBSS operation "
- "may be broken.\n");
- } else
- b43dbg(dev->wl, "Updated beacon template\n");
+ /*
+ * If ucode wants to modify TIM do it behind the beacon, this
+ * will happen, for example, when doing mesh networking.
+ */
+ b43_shm_write16(dev, B43_SHM_SHARED,
+ B43_SHM_SH_TIMBPOS,
+ len + sizeof(struct b43_plcp_hdr6));
+ b43_shm_write16(dev, B43_SHM_SHARED,
+ B43_SHM_SH_DTIMPER, 0);
+ }
+ b43dbg(dev->wl, "Updated beacon template at 0x%x\n", ram_offset);
}
-static void b43_write_probe_resp_plcp(struct b43_wldev *dev,
- u16 shm_offset, u16 size,
- struct ieee80211_rate *rate)
+static void b43_upload_beacon0(struct b43_wldev *dev)
{
- struct b43_plcp_hdr4 plcp;
- u32 tmp;
- __le16 dur;
-
- plcp.data = 0;
- b43_generate_plcp_hdr(&plcp, size + FCS_LEN, rate->hw_value);
- dur = ieee80211_generic_frame_duration(dev->wl->hw,
- dev->wl->vif, size,
- rate);
- /* Write PLCP in two parts and timing for packet transfer */
- tmp = le32_to_cpu(plcp.data);
- b43_shm_write16(dev, B43_SHM_SHARED, shm_offset, tmp & 0xFFFF);
- b43_shm_write16(dev, B43_SHM_SHARED, shm_offset + 2, tmp >> 16);
- b43_shm_write16(dev, B43_SHM_SHARED, shm_offset + 6, le16_to_cpu(dur));
-}
-
-/* Instead of using custom probe response template, this function
- * just patches custom beacon template by:
- * 1) Changing packet type
- * 2) Patching duration field
- * 3) Stripping TIM
- */
-static const u8 * b43_generate_probe_resp(struct b43_wldev *dev,
- u16 *dest_size,
- struct ieee80211_rate *rate)
-{
- const u8 *src_data;
- u8 *dest_data;
- u16 src_size, elem_size, src_pos, dest_pos;
- __le16 dur;
- struct ieee80211_hdr *hdr;
- size_t ie_start;
-
- src_size = dev->wl->current_beacon->len;
- src_data = (const u8 *)dev->wl->current_beacon->data;
-
- /* Get the start offset of the variable IEs in the packet. */
- ie_start = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
- B43_WARN_ON(ie_start != offsetof(struct ieee80211_mgmt, u.beacon.variable));
-
- if (B43_WARN_ON(src_size < ie_start))
- return NULL;
-
- dest_data = kmalloc(src_size, GFP_ATOMIC);
- if (unlikely(!dest_data))
- return NULL;
-
- /* Copy the static data and all Information Elements, except the TIM. */
- memcpy(dest_data, src_data, ie_start);
- src_pos = ie_start;
- dest_pos = ie_start;
- for ( ; src_pos < src_size - 2; src_pos += elem_size) {
- elem_size = src_data[src_pos + 1] + 2;
- if (src_data[src_pos] == 5) {
- /* This is the TIM. */
- continue;
- }
- memcpy(dest_data + dest_pos, src_data + src_pos,
- elem_size);
- dest_pos += elem_size;
- }
- *dest_size = dest_pos;
- hdr = (struct ieee80211_hdr *)dest_data;
-
- /* Set the frame control. */
- hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
- IEEE80211_STYPE_PROBE_RESP);
- dur = ieee80211_generic_frame_duration(dev->wl->hw,
- dev->wl->vif, *dest_size,
- rate);
- hdr->duration_id = dur;
+ struct b43_wl *wl = dev->wl;
- return dest_data;
+ if (wl->beacon0_uploaded)
+ return;
+ b43_write_beacon_template(dev, 0x68, 0x18);
+ wl->beacon0_uploaded = 1;
}
-static void b43_write_probe_resp_template(struct b43_wldev *dev,
- u16 ram_offset,
- u16 shm_size_offset,
- struct ieee80211_rate *rate)
+static void b43_upload_beacon1(struct b43_wldev *dev)
{
- const u8 *probe_resp_data;
- u16 size;
+ struct b43_wl *wl = dev->wl;
- size = dev->wl->current_beacon->len;
- probe_resp_data = b43_generate_probe_resp(dev, &size, rate);
- if (unlikely(!probe_resp_data))
+ if (wl->beacon1_uploaded)
return;
-
- /* Looks like PLCP headers plus packet timings are stored for
- * all possible basic rates
- */
- b43_write_probe_resp_plcp(dev, 0x31A, size, &b43_b_ratetable[0]);
- b43_write_probe_resp_plcp(dev, 0x32C, size, &b43_b_ratetable[1]);
- b43_write_probe_resp_plcp(dev, 0x33E, size, &b43_b_ratetable[2]);
- b43_write_probe_resp_plcp(dev, 0x350, size, &b43_b_ratetable[3]);
-
- size = min((size_t) size, 0x200 - sizeof(struct b43_plcp_hdr6));
- b43_write_template_common(dev, probe_resp_data,
- size, ram_offset, shm_size_offset,
- rate->hw_value);
- kfree(probe_resp_data);
+ b43_write_beacon_template(dev, 0x468, 0x1A);
+ wl->beacon1_uploaded = 1;
}
static void handle_irq_beacon(struct b43_wldev *dev)
struct b43_wl *wl = dev->wl;
u32 cmd, beacon0_valid, beacon1_valid;
- if (!b43_is_mode(wl, IEEE80211_IF_TYPE_AP))
+ if (!b43_is_mode(wl, NL80211_IFTYPE_AP) &&
+ !b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT))
return;
/* This is the bottom half of the asynchronous beacon update. */
/* Ignore interrupt in the future. */
- dev->irq_savedstate &= ~B43_IRQ_BEACON;
+ dev->irq_mask &= ~B43_IRQ_BEACON;
cmd = b43_read32(dev, B43_MMIO_MACCMD);
beacon0_valid = (cmd & B43_MACCMD_BEACON0_VALID);
/* Schedule interrupt manually, if busy. */
if (beacon0_valid && beacon1_valid) {
b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, B43_IRQ_BEACON);
- dev->irq_savedstate |= B43_IRQ_BEACON;
+ dev->irq_mask |= B43_IRQ_BEACON;
return;
}
- if (!beacon0_valid) {
- if (!wl->beacon0_uploaded) {
- b43_write_beacon_template(dev, 0x68, 0x18);
- b43_write_probe_resp_template(dev, 0x268, 0x4A,
- &__b43_ratetable[3]);
- wl->beacon0_uploaded = 1;
- }
+ if (unlikely(wl->beacon_templates_virgin)) {
+ /* We never uploaded a beacon before.
+ * Upload both templates now, but only mark one valid. */
+ wl->beacon_templates_virgin = 0;
+ b43_upload_beacon0(dev);
+ b43_upload_beacon1(dev);
cmd = b43_read32(dev, B43_MMIO_MACCMD);
cmd |= B43_MACCMD_BEACON0_VALID;
b43_write32(dev, B43_MMIO_MACCMD, cmd);
- } else if (!beacon1_valid) {
- if (!wl->beacon1_uploaded) {
- b43_write_beacon_template(dev, 0x468, 0x1A);
- wl->beacon1_uploaded = 1;
+ } else {
+ if (!beacon0_valid) {
+ b43_upload_beacon0(dev);
+ cmd = b43_read32(dev, B43_MMIO_MACCMD);
+ cmd |= B43_MACCMD_BEACON0_VALID;
+ b43_write32(dev, B43_MMIO_MACCMD, cmd);
+ } else if (!beacon1_valid) {
+ b43_upload_beacon1(dev);
+ cmd = b43_read32(dev, B43_MMIO_MACCMD);
+ cmd |= B43_MACCMD_BEACON1_VALID;
+ b43_write32(dev, B43_MMIO_MACCMD, cmd);
+ }
+ }
+}
+
+static void b43_do_beacon_update_trigger_work(struct b43_wldev *dev)
+{
+ u32 old_irq_mask = dev->irq_mask;
+
+ /* update beacon right away or defer to irq */
+ handle_irq_beacon(dev);
+ if (old_irq_mask != dev->irq_mask) {
+ /* The handler updated the IRQ mask. */
+ B43_WARN_ON(!dev->irq_mask);
+ if (b43_read32(dev, B43_MMIO_GEN_IRQ_MASK)) {
+ b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, dev->irq_mask);
+ } else {
+ /* Device interrupts are currently disabled. That means
+ * we just ran the hardirq handler and scheduled the
+ * IRQ thread. The thread will write the IRQ mask when
+ * it finished, so there's nothing to do here. Writing
+ * the mask _here_ would incorrectly re-enable IRQs. */
}
- cmd = b43_read32(dev, B43_MMIO_MACCMD);
- cmd |= B43_MACCMD_BEACON1_VALID;
- b43_write32(dev, B43_MMIO_MACCMD, cmd);
}
}
mutex_lock(&wl->mutex);
dev = wl->current_dev;
if (likely(dev && (b43_status(dev) >= B43_STAT_INITIALIZED))) {
- spin_lock_irq(&wl->irq_lock);
- /* update beacon right away or defer to irq */
- dev->irq_savedstate = b43_read32(dev, B43_MMIO_GEN_IRQ_MASK);
- handle_irq_beacon(dev);
- /* The handler might have updated the IRQ mask. */
- b43_write32(dev, B43_MMIO_GEN_IRQ_MASK,
- dev->irq_savedstate);
- mmiowb();
- spin_unlock_irq(&wl->irq_lock);
+ if (dev->dev->bus->bustype == SSB_BUSTYPE_SDIO) {
+ /* wl->mutex is enough. */
+ b43_do_beacon_update_trigger_work(dev);
+ mmiowb();
+ } else {
+ spin_lock_irq(&wl->hardirq_lock);
+ b43_do_beacon_update_trigger_work(dev);
+ mmiowb();
+ spin_unlock_irq(&wl->hardirq_lock);
+ }
}
mutex_unlock(&wl->mutex);
}
/* Asynchronously update the packet templates in template RAM.
- * Locking: Requires wl->irq_lock to be locked. */
-static void b43_update_templates(struct b43_wl *wl, struct sk_buff *beacon,
- const struct ieee80211_tx_control *txctl)
+ * Locking: Requires wl->mutex to be locked. */
+static void b43_update_templates(struct b43_wl *wl)
{
+ struct sk_buff *beacon;
+
/* This is the top half of the ansynchronous beacon update.
* The bottom half is the beacon IRQ.
* Beacon update must be asynchronous to avoid sending an
* invalid beacon. This can happen for example, if the firmware
* transmits a beacon while we are updating it. */
+ /* We could modify the existing beacon and set the aid bit in
+ * the TIM field, but that would probably require resizing and
+ * moving of data within the beacon template.
+ * Simply request a new beacon and let mac80211 do the hard work. */
+ beacon = ieee80211_beacon_get(wl->hw, wl->vif);
+ if (unlikely(!beacon))
+ return;
+
if (wl->current_beacon)
dev_kfree_skb_any(wl->current_beacon);
wl->current_beacon = beacon;
- memcpy(&wl->beacon_txctl, txctl, sizeof(wl->beacon_txctl));
wl->beacon0_uploaded = 0;
wl->beacon1_uploaded = 0;
- queue_work(wl->hw->workqueue, &wl->beacon_update_trigger);
-}
-
-static void b43_set_ssid(struct b43_wldev *dev, const u8 * ssid, u8 ssid_len)
-{
- u32 tmp;
- u16 i, len;
-
- len = min((u16) ssid_len, (u16) 0x100);
- for (i = 0; i < len; i += sizeof(u32)) {
- tmp = (u32) (ssid[i + 0]);
- if (i + 1 < len)
- tmp |= (u32) (ssid[i + 1]) << 8;
- if (i + 2 < len)
- tmp |= (u32) (ssid[i + 2]) << 16;
- if (i + 3 < len)
- tmp |= (u32) (ssid[i + 3]) << 24;
- b43_shm_write32(dev, B43_SHM_SHARED, 0x380 + i, tmp);
- }
- b43_shm_write16(dev, B43_SHM_SHARED, 0x48, len);
+ ieee80211_queue_work(wl->hw, &wl->beacon_update_trigger);
}
static void b43_set_beacon_int(struct b43_wldev *dev, u16 beacon_int)
b43dbg(dev->wl, "Set beacon interval to %u\n", beacon_int);
}
+static void b43_handle_firmware_panic(struct b43_wldev *dev)
+{
+ u16 reason;
+
+ /* Read the register that contains the reason code for the panic. */
+ reason = b43_shm_read16(dev, B43_SHM_SCRATCH, B43_FWPANIC_REASON_REG);
+ b43err(dev->wl, "Whoopsy, firmware panic! Reason: %u\n", reason);
+
+ switch (reason) {
+ default:
+ b43dbg(dev->wl, "The panic reason is unknown.\n");
+ /* fallthrough */
+ case B43_FWPANIC_DIE:
+ /* Do not restart the controller or firmware.
+ * The device is nonfunctional from now on.
+ * Restarting would result in this panic to trigger again,
+ * so we avoid that recursion. */
+ break;
+ case B43_FWPANIC_RESTART:
+ b43_controller_restart(dev, "Microcode panic");
+ break;
+ }
+}
+
static void handle_irq_ucode_debug(struct b43_wldev *dev)
{
- //TODO
+ unsigned int i, cnt;
+ u16 reason, marker_id, marker_line;
+ __le16 *buf;
+
+ /* The proprietary firmware doesn't have this IRQ. */
+ if (!dev->fw.opensource)
+ return;
+
+ /* Read the register that contains the reason code for this IRQ. */
+ reason = b43_shm_read16(dev, B43_SHM_SCRATCH, B43_DEBUGIRQ_REASON_REG);
+
+ switch (reason) {
+ case B43_DEBUGIRQ_PANIC:
+ b43_handle_firmware_panic(dev);
+ break;
+ case B43_DEBUGIRQ_DUMP_SHM:
+ if (!B43_DEBUG)
+ break; /* Only with driver debugging enabled. */
+ buf = kmalloc(4096, GFP_ATOMIC);
+ if (!buf) {
+ b43dbg(dev->wl, "SHM-dump: Failed to allocate memory\n");
+ goto out;
+ }
+ for (i = 0; i < 4096; i += 2) {
+ u16 tmp = b43_shm_read16(dev, B43_SHM_SHARED, i);
+ buf[i / 2] = cpu_to_le16(tmp);
+ }
+ b43info(dev->wl, "Shared memory dump:\n");
+ print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET,
+ 16, 2, buf, 4096, 1);
+ kfree(buf);
+ break;
+ case B43_DEBUGIRQ_DUMP_REGS:
+ if (!B43_DEBUG)
+ break; /* Only with driver debugging enabled. */
+ b43info(dev->wl, "Microcode register dump:\n");
+ for (i = 0, cnt = 0; i < 64; i++) {
+ u16 tmp = b43_shm_read16(dev, B43_SHM_SCRATCH, i);
+ if (cnt == 0)
+ printk(KERN_INFO);
+ printk("r%02u: 0x%04X ", i, tmp);
+ cnt++;
+ if (cnt == 6) {
+ printk("\n");
+ cnt = 0;
+ }
+ }
+ printk("\n");
+ break;
+ case B43_DEBUGIRQ_MARKER:
+ if (!B43_DEBUG)
+ break; /* Only with driver debugging enabled. */
+ marker_id = b43_shm_read16(dev, B43_SHM_SCRATCH,
+ B43_MARKER_ID_REG);
+ marker_line = b43_shm_read16(dev, B43_SHM_SCRATCH,
+ B43_MARKER_LINE_REG);
+ b43info(dev->wl, "The firmware just executed the MARKER(%u) "
+ "at line number %u\n",
+ marker_id, marker_line);
+ break;
+ default:
+ b43dbg(dev->wl, "Debug-IRQ triggered for unknown reason: %u\n",
+ reason);
+ }
+out:
+ /* Acknowledge the debug-IRQ, so the firmware can continue. */
+ b43_shm_write16(dev, B43_SHM_SCRATCH,
+ B43_DEBUGIRQ_REASON_REG, B43_DEBUGIRQ_ACK);
}
-/* Interrupt handler bottom-half */
-static void b43_interrupt_tasklet(struct b43_wldev *dev)
+static void b43_do_interrupt_thread(struct b43_wldev *dev)
{
u32 reason;
u32 dma_reason[ARRAY_SIZE(dev->dma_reason)];
u32 merged_dma_reason = 0;
int i;
- unsigned long flags;
- spin_lock_irqsave(&dev->wl->irq_lock, flags);
-
- B43_WARN_ON(b43_status(dev) != B43_STAT_STARTED);
+ if (unlikely(b43_status(dev) != B43_STAT_STARTED))
+ return;
reason = dev->irq_reason;
for (i = 0; i < ARRAY_SIZE(dma_reason); i++) {
dma_reason[0], dma_reason[1],
dma_reason[2], dma_reason[3],
dma_reason[4], dma_reason[5]);
- b43_controller_restart(dev, "DMA error");
- mmiowb();
- spin_unlock_irqrestore(&dev->wl->irq_lock, flags);
+ b43err(dev->wl, "This device does not support DMA "
+ "on your system. Please use PIO instead.\n");
+ b43err(dev->wl, "Unload the b43 module and reload "
+ "with 'pio=1'\n");
return;
}
if (merged_dma_reason & B43_DMAIRQ_NONFATALMASK) {
if (reason & B43_IRQ_TX_OK)
handle_irq_transmit_status(dev);
- b43_interrupt_enable(dev, dev->irq_savedstate);
- mmiowb();
- spin_unlock_irqrestore(&dev->wl->irq_lock, flags);
+ /* Re-enable interrupts on the device by restoring the current interrupt mask. */
+ b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, dev->irq_mask);
+
+#if B43_DEBUG
+ if (b43_debug(dev, B43_DBG_VERBOSESTATS)) {
+ dev->irq_count++;
+ for (i = 0; i < ARRAY_SIZE(dev->irq_bit_count); i++) {
+ if (reason & (1 << i))
+ dev->irq_bit_count[i]++;
+ }
+ }
+#endif
}
-static void b43_interrupt_ack(struct b43_wldev *dev, u32 reason)
+/* Interrupt thread handler. Handles device interrupts in thread context. */
+static irqreturn_t b43_interrupt_thread_handler(int irq, void *dev_id)
{
- b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, reason);
+ struct b43_wldev *dev = dev_id;
- b43_write32(dev, B43_MMIO_DMA0_REASON, dev->dma_reason[0]);
- b43_write32(dev, B43_MMIO_DMA1_REASON, dev->dma_reason[1]);
- b43_write32(dev, B43_MMIO_DMA2_REASON, dev->dma_reason[2]);
- b43_write32(dev, B43_MMIO_DMA3_REASON, dev->dma_reason[3]);
- b43_write32(dev, B43_MMIO_DMA4_REASON, dev->dma_reason[4]);
- b43_write32(dev, B43_MMIO_DMA5_REASON, dev->dma_reason[5]);
+ mutex_lock(&dev->wl->mutex);
+ b43_do_interrupt_thread(dev);
+ mmiowb();
+ mutex_unlock(&dev->wl->mutex);
+
+ return IRQ_HANDLED;
}
-/* Interrupt handler top-half */
-static irqreturn_t b43_interrupt_handler(int irq, void *dev_id)
+static irqreturn_t b43_do_interrupt(struct b43_wldev *dev)
{
- irqreturn_t ret = IRQ_NONE;
- struct b43_wldev *dev = dev_id;
u32 reason;
- if (!dev)
- return IRQ_NONE;
-
- spin_lock(&dev->wl->irq_lock);
+ /* This code runs under wl->hardirq_lock, but _only_ on non-SDIO busses.
+ * On SDIO, this runs under wl->mutex. */
- if (b43_status(dev) < B43_STAT_STARTED)
- goto out;
reason = b43_read32(dev, B43_MMIO_GEN_IRQ_REASON);
if (reason == 0xffffffff) /* shared IRQ */
- goto out;
- ret = IRQ_HANDLED;
- reason &= b43_read32(dev, B43_MMIO_GEN_IRQ_MASK);
+ return IRQ_NONE;
+ reason &= dev->irq_mask;
if (!reason)
- goto out;
+ return IRQ_HANDLED;
dev->dma_reason[0] = b43_read32(dev, B43_MMIO_DMA0_REASON)
& 0x0001DC00;
& 0x0001DC00;
dev->dma_reason[4] = b43_read32(dev, B43_MMIO_DMA4_REASON)
& 0x0000DC00;
+/* Unused ring
dev->dma_reason[5] = b43_read32(dev, B43_MMIO_DMA5_REASON)
& 0x0000DC00;
+*/
- b43_interrupt_ack(dev, reason);
- /* disable all IRQs. They are enabled again in the bottom half. */
- dev->irq_savedstate = b43_interrupt_disable(dev, B43_IRQ_ALL);
- /* save the reason code and call our bottom half. */
+ /* ACK the interrupt. */
+ b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, reason);
+ b43_write32(dev, B43_MMIO_DMA0_REASON, dev->dma_reason[0]);
+ b43_write32(dev, B43_MMIO_DMA1_REASON, dev->dma_reason[1]);
+ b43_write32(dev, B43_MMIO_DMA2_REASON, dev->dma_reason[2]);
+ b43_write32(dev, B43_MMIO_DMA3_REASON, dev->dma_reason[3]);
+ b43_write32(dev, B43_MMIO_DMA4_REASON, dev->dma_reason[4]);
+/* Unused ring
+ b43_write32(dev, B43_MMIO_DMA5_REASON, dev->dma_reason[5]);
+*/
+
+ /* Disable IRQs on the device. The IRQ thread handler will re-enable them. */
+ b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, 0);
+ /* Save the reason bitmasks for the IRQ thread handler. */
dev->irq_reason = reason;
- tasklet_schedule(&dev->isr_tasklet);
- out:
+
+ return IRQ_WAKE_THREAD;
+}
+
+/* Interrupt handler top-half. This runs with interrupts disabled. */
+static irqreturn_t b43_interrupt_handler(int irq, void *dev_id)
+{
+ struct b43_wldev *dev = dev_id;
+ irqreturn_t ret;
+
+ if (unlikely(b43_status(dev) < B43_STAT_STARTED))
+ return IRQ_NONE;
+
+ spin_lock(&dev->wl->hardirq_lock);
+ ret = b43_do_interrupt(dev);
mmiowb();
- spin_unlock(&dev->wl->irq_lock);
+ spin_unlock(&dev->wl->hardirq_lock);
return ret;
}
-static void do_release_fw(struct b43_firmware_file *fw)
+/* SDIO interrupt handler. This runs in process context. */
+static void b43_sdio_interrupt_handler(struct b43_wldev *dev)
+{
+ struct b43_wl *wl = dev->wl;
+ irqreturn_t ret;
+
+ mutex_lock(&wl->mutex);
+
+ ret = b43_do_interrupt(dev);
+ if (ret == IRQ_WAKE_THREAD)
+ b43_do_interrupt_thread(dev);
+
+ mutex_unlock(&wl->mutex);
+}
+
+void b43_do_release_fw(struct b43_firmware_file *fw)
{
release_firmware(fw->data);
fw->data = NULL;
static void b43_release_firmware(struct b43_wldev *dev)
{
- do_release_fw(&dev->fw.ucode);
- do_release_fw(&dev->fw.pcm);
- do_release_fw(&dev->fw.initvals);
- do_release_fw(&dev->fw.initvals_band);
+ b43_do_release_fw(&dev->fw.ucode);
+ b43_do_release_fw(&dev->fw.pcm);
+ b43_do_release_fw(&dev->fw.initvals);
+ b43_do_release_fw(&dev->fw.initvals_band);
}
static void b43_print_fw_helptext(struct b43_wl *wl, bool error)
{
- const char *text;
+ const char text[] =
+ "You must go to " \
+ "http://wireless.kernel.org/en/users/Drivers/b43#devicefirmware " \
+ "and download the correct firmware for this driver version. " \
+ "Please carefully read all instructions on this website.\n";
- text = "You must go to "
- "http://linuxwireless.org/en/users/Drivers/b43#devicefirmware "
- "and download the latest firmware (version 4).\n";
if (error)
b43err(wl, text);
else
b43warn(wl, text);
}
-static int do_request_fw(struct b43_wldev *dev,
- const char *name,
- struct b43_firmware_file *fw)
+int b43_do_request_fw(struct b43_request_fw_context *ctx,
+ const char *name,
+ struct b43_firmware_file *fw)
{
- char path[sizeof(modparam_fwpostfix) + 32];
const struct firmware *blob;
struct b43_fw_header *hdr;
u32 size;
if (!name) {
/* Don't fetch anything. Free possibly cached firmware. */
- do_release_fw(fw);
+ /* FIXME: We should probably keep it anyway, to save some headache
+ * on suspend/resume with multiband devices. */
+ b43_do_release_fw(fw);
return 0;
}
if (fw->filename) {
- if (strcmp(fw->filename, name) == 0)
+ if ((fw->type == ctx->req_type) &&
+ (strcmp(fw->filename, name) == 0))
return 0; /* Already have this fw. */
/* Free the cached firmware first. */
- do_release_fw(fw);
+ /* FIXME: We should probably do this later after we successfully
+ * got the new fw. This could reduce headache with multiband devices.
+ * We could also redesign this to cache the firmware for all possible
+ * bands all the time. */
+ b43_do_release_fw(fw);
+ }
+
+ switch (ctx->req_type) {
+ case B43_FWTYPE_PROPRIETARY:
+ snprintf(ctx->fwname, sizeof(ctx->fwname),
+ "b43%s/%s.fw",
+ modparam_fwpostfix, name);
+ break;
+ case B43_FWTYPE_OPENSOURCE:
+ snprintf(ctx->fwname, sizeof(ctx->fwname),
+ "b43-open%s/%s.fw",
+ modparam_fwpostfix, name);
+ break;
+ default:
+ B43_WARN_ON(1);
+ return -ENOSYS;
}
-
- snprintf(path, ARRAY_SIZE(path),
- "b43%s/%s.fw",
- modparam_fwpostfix, name);
- err = request_firmware(&blob, path, dev->dev->dev);
- if (err) {
- b43err(dev->wl, "Firmware file \"%s\" not found "
- "or load failed.\n", path);
+ err = request_firmware(&blob, ctx->fwname, ctx->dev->dev->dev);
+ if (err == -ENOENT) {
+ snprintf(ctx->errors[ctx->req_type],
+ sizeof(ctx->errors[ctx->req_type]),
+ "Firmware file \"%s\" not found\n", ctx->fwname);
+ return err;
+ } else if (err) {
+ snprintf(ctx->errors[ctx->req_type],
+ sizeof(ctx->errors[ctx->req_type]),
+ "Firmware file \"%s\" request failed (err=%d)\n",
+ ctx->fwname, err);
return err;
}
if (blob->size < sizeof(struct b43_fw_header))
fw->data = blob;
fw->filename = name;
+ fw->type = ctx->req_type;
return 0;
err_format:
- b43err(dev->wl, "Firmware file \"%s\" format error.\n", path);
+ snprintf(ctx->errors[ctx->req_type],
+ sizeof(ctx->errors[ctx->req_type]),
+ "Firmware file \"%s\" format error.\n", ctx->fwname);
release_firmware(blob);
return -EPROTO;
}
-static int b43_request_firmware(struct b43_wldev *dev)
+static int b43_try_request_fw(struct b43_request_fw_context *ctx)
{
- struct b43_firmware *fw = &dev->fw;
- const u8 rev = dev->dev->id.revision;
+ struct b43_wldev *dev = ctx->dev;
+ struct b43_firmware *fw = &ctx->dev->fw;
+ const u8 rev = ctx->dev->dev->id.revision;
const char *filename;
u32 tmshigh;
int err;
filename = "ucode5";
else if ((rev >= 11) && (rev <= 12))
filename = "ucode11";
- else if (rev >= 13)
+ else if (rev == 13)
filename = "ucode13";
+ else if (rev == 14)
+ filename = "ucode14";
+ else if (rev >= 15)
+ filename = "ucode15";
else
goto err_no_ucode;
- err = do_request_fw(dev, filename, &fw->ucode);
+ err = b43_do_request_fw(ctx, filename, &fw->ucode);
if (err)
goto err_load;
filename = NULL;
else
goto err_no_pcm;
- err = do_request_fw(dev, filename, &fw->pcm);
- if (err)
+ fw->pcm_request_failed = 0;
+ err = b43_do_request_fw(ctx, filename, &fw->pcm);
+ if (err == -ENOENT) {
+ /* We did not find a PCM file? Not fatal, but
+ * core rev <= 10 must do without hwcrypto then. */
+ fw->pcm_request_failed = 1;
+ } else if (err)
goto err_load;
/* Get initvals */
if ((rev >= 5) && (rev <= 10))
filename = "b0g0initvals5";
else if (rev >= 13)
- filename = "lp0initvals13";
+ filename = "b0g0initvals13";
else
goto err_no_initvals;
break;
else
goto err_no_initvals;
break;
+ case B43_PHYTYPE_LP:
+ if (rev == 13)
+ filename = "lp0initvals13";
+ else if (rev == 14)
+ filename = "lp0initvals14";
+ else if (rev >= 15)
+ filename = "lp0initvals15";
+ else
+ goto err_no_initvals;
+ break;
default:
goto err_no_initvals;
}
- err = do_request_fw(dev, filename, &fw->initvals);
+ err = b43_do_request_fw(ctx, filename, &fw->initvals);
if (err)
goto err_load;
else
goto err_no_initvals;
break;
+ case B43_PHYTYPE_LP:
+ if (rev == 13)
+ filename = "lp0bsinitvals13";
+ else if (rev == 14)
+ filename = "lp0bsinitvals14";
+ else if (rev >= 15)
+ filename = "lp0bsinitvals15";
+ else
+ goto err_no_initvals;
+ break;
default:
goto err_no_initvals;
}
- err = do_request_fw(dev, filename, &fw->initvals_band);
+ err = b43_do_request_fw(ctx, filename, &fw->initvals_band);
if (err)
goto err_load;
return 0;
-err_load:
- b43_print_fw_helptext(dev->wl, 1);
- goto error;
-
err_no_ucode:
- err = -ENODEV;
- b43err(dev->wl, "No microcode available for core rev %u\n", rev);
+ err = ctx->fatal_failure = -EOPNOTSUPP;
+ b43err(dev->wl, "The driver does not know which firmware (ucode) "
+ "is required for your device (wl-core rev %u)\n", rev);
goto error;
err_no_pcm:
- err = -ENODEV;
- b43err(dev->wl, "No PCM available for core rev %u\n", rev);
+ err = ctx->fatal_failure = -EOPNOTSUPP;
+ b43err(dev->wl, "The driver does not know which firmware (PCM) "
+ "is required for your device (wl-core rev %u)\n", rev);
goto error;
err_no_initvals:
- err = -ENODEV;
- b43err(dev->wl, "No Initial Values firmware file for PHY %u, "
- "core rev %u\n", dev->phy.type, rev);
+ err = ctx->fatal_failure = -EOPNOTSUPP;
+ b43err(dev->wl, "The driver does not know which firmware (initvals) "
+ "is required for your device (wl-core rev %u)\n", rev);
+ goto error;
+
+err_load:
+ /* We failed to load this firmware image. The error message
+ * already is in ctx->errors. Return and let our caller decide
+ * what to do. */
goto error;
error:
return err;
}
+static int b43_request_firmware(struct b43_wldev *dev)
+{
+ struct b43_request_fw_context *ctx;
+ unsigned int i;
+ int err;
+ const char *errmsg;
+
+ ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
+ if (!ctx)
+ return -ENOMEM;
+ ctx->dev = dev;
+
+ ctx->req_type = B43_FWTYPE_PROPRIETARY;
+ err = b43_try_request_fw(ctx);
+ if (!err)
+ goto out; /* Successfully loaded it. */
+ err = ctx->fatal_failure;
+ if (err)
+ goto out;
+
+ ctx->req_type = B43_FWTYPE_OPENSOURCE;
+ err = b43_try_request_fw(ctx);
+ if (!err)
+ goto out; /* Successfully loaded it. */
+ err = ctx->fatal_failure;
+ if (err)
+ goto out;
+
+ /* Could not find a usable firmware. Print the errors. */
+ for (i = 0; i < B43_NR_FWTYPES; i++) {
+ errmsg = ctx->errors[i];
+ if (strlen(errmsg))
+ b43err(dev->wl, errmsg);
+ }
+ b43_print_fw_helptext(dev->wl, 1);
+ err = -ENOENT;
+
+out:
+ kfree(ctx);
+ return err;
+}
+
static int b43_upload_microcode(struct b43_wldev *dev)
{
const size_t hdr_len = sizeof(struct b43_fw_header);
err = -ENODEV;
goto error;
}
- msleep_interruptible(50);
- if (signal_pending(current)) {
- err = -EINTR;
- goto error;
- }
+ msleep(50);
}
b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); /* dummy read */
err = -EOPNOTSUPP;
goto error;
}
- b43info(dev->wl, "Loading firmware version %u.%u "
- "(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n",
- fwrev, fwpatch,
- (fwdate >> 12) & 0xF, (fwdate >> 8) & 0xF, fwdate & 0xFF,
- (fwtime >> 11) & 0x1F, (fwtime >> 5) & 0x3F, fwtime & 0x1F);
-
dev->fw.rev = fwrev;
dev->fw.patch = fwpatch;
+ dev->fw.opensource = (fwdate == 0xFFFF);
+
+ /* Default to use-all-queues. */
+ dev->wl->hw->queues = dev->wl->mac80211_initially_registered_queues;
+ dev->qos_enabled = !!modparam_qos;
+ /* Default to firmware/hardware crypto acceleration. */
+ dev->hwcrypto_enabled = 1;
+
+ if (dev->fw.opensource) {
+ u16 fwcapa;
+
+ /* Patchlevel info is encoded in the "time" field. */
+ dev->fw.patch = fwtime;
+ b43info(dev->wl, "Loading OpenSource firmware version %u.%u\n",
+ dev->fw.rev, dev->fw.patch);
+
+ fwcapa = b43_fwcapa_read(dev);
+ if (!(fwcapa & B43_FWCAPA_HWCRYPTO) || dev->fw.pcm_request_failed) {
+ b43info(dev->wl, "Hardware crypto acceleration not supported by firmware\n");
+ /* Disable hardware crypto and fall back to software crypto. */
+ dev->hwcrypto_enabled = 0;
+ }
+ if (!(fwcapa & B43_FWCAPA_QOS)) {
+ b43info(dev->wl, "QoS not supported by firmware\n");
+ /* Disable QoS. Tweak hw->queues to 1. It will be restored before
+ * ieee80211_unregister to make sure the networking core can
+ * properly free possible resources. */
+ dev->wl->hw->queues = 1;
+ dev->qos_enabled = 0;
+ }
+ } else {
+ b43info(dev->wl, "Loading firmware version %u.%u "
+ "(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n",
+ fwrev, fwpatch,
+ (fwdate >> 12) & 0xF, (fwdate >> 8) & 0xF, fwdate & 0xFF,
+ (fwtime >> 11) & 0x1F, (fwtime >> 5) & 0x3F, fwtime & 0x1F);
+ if (dev->fw.pcm_request_failed) {
+ b43warn(dev->wl, "No \"pcm5.fw\" firmware file found. "
+ "Hardware accelerated cryptography is disabled.\n");
+ b43_print_fw_helptext(dev->wl, 0);
+ }
+ }
if (b43_is_old_txhdr_format(dev)) {
+ /* We're over the deadline, but we keep support for old fw
+ * until it turns out to be in major conflict with something new. */
b43warn(dev->wl, "You are using an old firmware image. "
- "Support for old firmware will be removed in July 2008.\n");
+ "Support for old firmware will be removed soon "
+ "(official deadline was July 2008).\n");
b43_print_fw_helptext(dev->wl, 0);
}
}
/* http://bcm-specs.sipsolutions.net/EnableMac */
-static void b43_mac_enable(struct b43_wldev *dev)
-{
+void b43_mac_enable(struct b43_wldev *dev)
+{
+ if (b43_debug(dev, B43_DBG_FIRMWARE)) {
+ u16 fwstate;
+
+ fwstate = b43_shm_read16(dev, B43_SHM_SHARED,
+ B43_SHM_SH_UCODESTAT);
+ if ((fwstate != B43_SHM_SH_UCODESTAT_SUSP) &&
+ (fwstate != B43_SHM_SH_UCODESTAT_SLEEP)) {
+ b43err(dev->wl, "b43_mac_enable(): The firmware "
+ "should be suspended, but current state is %u\n",
+ fwstate);
+ }
+ }
+
dev->mac_suspended--;
B43_WARN_ON(dev->mac_suspended < 0);
if (dev->mac_suspended == 0) {
b43_read32(dev, B43_MMIO_MACCTL);
b43_read32(dev, B43_MMIO_GEN_IRQ_REASON);
b43_power_saving_ctl_bits(dev, 0);
-
- /* Re-enable IRQs. */
- spin_lock_irq(&dev->wl->irq_lock);
- b43_interrupt_enable(dev, dev->irq_savedstate);
- spin_unlock_irq(&dev->wl->irq_lock);
}
}
/* http://bcm-specs.sipsolutions.net/SuspendMAC */
-static void b43_mac_suspend(struct b43_wldev *dev)
+void b43_mac_suspend(struct b43_wldev *dev)
{
int i;
u32 tmp;
B43_WARN_ON(dev->mac_suspended < 0);
if (dev->mac_suspended == 0) {
- /* Mask IRQs before suspending MAC. Otherwise
- * the MAC stays busy and won't suspend. */
- spin_lock_irq(&dev->wl->irq_lock);
- tmp = b43_interrupt_disable(dev, B43_IRQ_ALL);
- spin_unlock_irq(&dev->wl->irq_lock);
- b43_synchronize_irq(dev);
- dev->irq_savedstate = tmp;
-
b43_power_saving_ctl_bits(dev, B43_PS_AWAKE);
b43_write32(dev, B43_MMIO_MACCTL,
b43_read32(dev, B43_MMIO_MACCTL)
ctl &= ~B43_MACCTL_BEACPROMISC;
ctl |= B43_MACCTL_INFRA;
- if (b43_is_mode(wl, IEEE80211_IF_TYPE_AP))
+ if (b43_is_mode(wl, NL80211_IFTYPE_AP) ||
+ b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT))
ctl |= B43_MACCTL_AP;
- else if (b43_is_mode(wl, IEEE80211_IF_TYPE_IBSS))
+ else if (b43_is_mode(wl, NL80211_IFTYPE_ADHOC))
ctl &= ~B43_MACCTL_INFRA;
if (wl->filter_flags & FIF_CONTROL)
cfp_pretbtt = 50;
}
b43_write16(dev, 0x612, cfp_pretbtt);
+
+ /* FIXME: We don't currently implement the PMQ mechanism,
+ * so always disable it. If we want to implement PMQ,
+ * we need to enable it here (clear DISCPMQ) in AP mode.
+ */
+ if (0 /* ctl & B43_MACCTL_AP */) {
+ b43_write32(dev, B43_MMIO_MACCTL,
+ b43_read32(dev, B43_MMIO_MACCTL)
+ & ~B43_MACCTL_DISCPMQ);
+ } else {
+ b43_write32(dev, B43_MMIO_MACCTL,
+ b43_read32(dev, B43_MMIO_MACCTL)
+ | B43_MACCTL_DISCPMQ);
+ }
}
static void b43_rate_memory_write(struct b43_wldev *dev, u16 rate, int is_ofdm)
case B43_PHYTYPE_A:
case B43_PHYTYPE_G:
case B43_PHYTYPE_N:
+ case B43_PHYTYPE_LP:
b43_rate_memory_write(dev, B43_OFDM_RATE_6MB, 1);
b43_rate_memory_write(dev, B43_OFDM_RATE_12MB, 1);
b43_rate_memory_write(dev, B43_OFDM_RATE_18MB, 1);
/* This is the opposite of b43_chip_init() */
static void b43_chip_exit(struct b43_wldev *dev)
{
- b43_radio_turn_off(dev, 1);
+ b43_phy_exit(dev);
b43_gpio_cleanup(dev);
/* firmware is released later */
}
static int b43_chip_init(struct b43_wldev *dev)
{
struct b43_phy *phy = &dev->phy;
- int err, tmp;
+ int err;
u32 value32, macctl;
u16 value16;
err = b43_upload_initvals(dev);
if (err)
goto err_gpio_clean;
- b43_radio_turn_on(dev);
- b43_write16(dev, 0x03E6, 0x0000);
+ /* Turn the Analog on and initialize the PHY. */
+ phy->ops->switch_analog(dev, 1);
err = b43_phy_init(dev);
if (err)
- goto err_radio_off;
+ goto err_gpio_clean;
- /* Select initial Interference Mitigation. */
- tmp = phy->interfmode;
- phy->interfmode = B43_INTERFMODE_NONE;
- b43_radio_set_interference_mitigation(dev, tmp);
+ /* Disable Interference Mitigation. */
+ if (phy->ops->interf_mitigation)
+ phy->ops->interf_mitigation(dev, B43_INTERFMODE_NONE);
- b43_set_rx_antenna(dev, B43_ANTENNA_DEFAULT);
+ /* Select the antennae */
+ if (phy->ops->set_rx_antenna)
+ phy->ops->set_rx_antenna(dev, B43_ANTENNA_DEFAULT);
b43_mgmtframe_txantenna(dev, B43_ANTENNA_DEFAULT);
if (phy->type == B43_PHYTYPE_B) {
out:
return err;
-err_radio_off:
- b43_radio_turn_off(dev, 1);
err_gpio_clean:
b43_gpio_cleanup(dev);
return err;
}
-static void b43_periodic_every120sec(struct b43_wldev *dev)
-{
- struct b43_phy *phy = &dev->phy;
-
- if (phy->type != B43_PHYTYPE_G || phy->rev < 2)
- return;
-
- b43_mac_suspend(dev);
- b43_lo_g_measure(dev);
- b43_mac_enable(dev);
- if (b43_has_hardware_pctl(phy))
- b43_lo_g_ctl_mark_all_unused(dev);
-}
-
static void b43_periodic_every60sec(struct b43_wldev *dev)
{
- struct b43_phy *phy = &dev->phy;
+ const struct b43_phy_operations *ops = dev->phy.ops;
- if (phy->type != B43_PHYTYPE_G)
- return;
- if (!b43_has_hardware_pctl(phy))
- b43_lo_g_ctl_mark_all_unused(dev);
- if (dev->dev->bus->sprom.boardflags_lo & B43_BFL_RSSI) {
- b43_mac_suspend(dev);
- b43_calc_nrssi_slope(dev);
- if ((phy->radio_ver == 0x2050) && (phy->radio_rev == 8)) {
- u8 old_chan = phy->channel;
-
- /* VCO Calibration */
- if (old_chan >= 8)
- b43_radio_selectchannel(dev, 1, 0);
- else
- b43_radio_selectchannel(dev, 13, 0);
- b43_radio_selectchannel(dev, old_chan, 0);
- }
- b43_mac_enable(dev);
- }
+ if (ops->pwork_60sec)
+ ops->pwork_60sec(dev);
+
+ /* Force check the TX power emission now. */
+ b43_phy_txpower_check(dev, B43_TXPWR_IGNORE_TIME);
}
static void b43_periodic_every30sec(struct b43_wldev *dev)
static void b43_periodic_every15sec(struct b43_wldev *dev)
{
struct b43_phy *phy = &dev->phy;
-
- if (phy->type == B43_PHYTYPE_G) {
- //TODO: update_aci_moving_average
- if (phy->aci_enable && phy->aci_wlan_automatic) {
- b43_mac_suspend(dev);
- if (!phy->aci_enable && 1 /*TODO: not scanning? */ ) {
- if (0 /*TODO: bunch of conditions */ ) {
- b43_radio_set_interference_mitigation
- (dev, B43_INTERFMODE_MANUALWLAN);
- }
- } else if (1 /*TODO*/) {
- /*
- if ((aci_average > 1000) && !(b43_radio_aci_scan(dev))) {
- b43_radio_set_interference_mitigation(dev,
- B43_INTERFMODE_NONE);
- }
- */
- }
- b43_mac_enable(dev);
- } else if (phy->interfmode == B43_INTERFMODE_NONWLAN &&
- phy->rev == 1) {
- //TODO: implement rev1 workaround
+ u16 wdr;
+
+ if (dev->fw.opensource) {
+ /* Check if the firmware is still alive.
+ * It will reset the watchdog counter to 0 in its idle loop. */
+ wdr = b43_shm_read16(dev, B43_SHM_SCRATCH, B43_WATCHDOG_REG);
+ if (unlikely(wdr)) {
+ b43err(dev->wl, "Firmware watchdog: The firmware died!\n");
+ b43_controller_restart(dev, "Firmware watchdog");
+ return;
+ } else {
+ b43_shm_write16(dev, B43_SHM_SCRATCH,
+ B43_WATCHDOG_REG, 1);
}
}
- b43_phy_xmitpower(dev); //FIXME: unless scanning?
- //TODO for APHY (temperature?)
+
+ if (phy->ops->pwork_15sec)
+ phy->ops->pwork_15sec(dev);
atomic_set(&phy->txerr_cnt, B43_PHY_TX_BADNESS_LIMIT);
wmb();
+
+#if B43_DEBUG
+ if (b43_debug(dev, B43_DBG_VERBOSESTATS)) {
+ unsigned int i;
+
+ b43dbg(dev->wl, "Stats: %7u IRQs/sec, %7u TX/sec, %7u RX/sec\n",
+ dev->irq_count / 15,
+ dev->tx_count / 15,
+ dev->rx_count / 15);
+ dev->irq_count = 0;
+ dev->tx_count = 0;
+ dev->rx_count = 0;
+ for (i = 0; i < ARRAY_SIZE(dev->irq_bit_count); i++) {
+ if (dev->irq_bit_count[i]) {
+ b43dbg(dev->wl, "Stats: %7u IRQ-%02u/sec (0x%08X)\n",
+ dev->irq_bit_count[i] / 15, i, (1 << i));
+ dev->irq_bit_count[i] = 0;
+ }
+ }
+ }
+#endif
}
static void do_periodic_work(struct b43_wldev *dev)
unsigned int state;
state = dev->periodic_state;
- if (state % 8 == 0)
- b43_periodic_every120sec(dev);
if (state % 4 == 0)
b43_periodic_every60sec(dev);
if (state % 2 == 0)
delay = msecs_to_jiffies(50);
else
delay = round_jiffies_relative(HZ * 15);
- queue_delayed_work(wl->hw->workqueue, &dev->periodic_work, delay);
+ ieee80211_queue_delayed_work(wl->hw, &dev->periodic_work, delay);
out:
mutex_unlock(&wl->mutex);
}
dev->periodic_state = 0;
INIT_DELAYED_WORK(work, b43_periodic_work_handler);
- queue_delayed_work(dev->wl->hw->workqueue, work, 0);
+ ieee80211_queue_delayed_work(dev->wl->hw, work, 0);
}
/* Check if communication with the device works correctly. */
static int b43_validate_chipaccess(struct b43_wldev *dev)
{
- u32 v, backup;
+ u32 v, backup0, backup4;
- backup = b43_shm_read32(dev, B43_SHM_SHARED, 0);
+ backup0 = b43_shm_read32(dev, B43_SHM_SHARED, 0);
+ backup4 = b43_shm_read32(dev, B43_SHM_SHARED, 4);
/* Check for read/write and endianness problems. */
b43_shm_write32(dev, B43_SHM_SHARED, 0, 0x55AAAA55);
if (b43_shm_read32(dev, B43_SHM_SHARED, 0) != 0xAA5555AA)
goto error;
- b43_shm_write32(dev, B43_SHM_SHARED, 0, backup);
+ /* Check if unaligned 32bit SHM_SHARED access works properly.
+ * However, don't bail out on failure, because it's noncritical. */
+ b43_shm_write16(dev, B43_SHM_SHARED, 0, 0x1122);
+ b43_shm_write16(dev, B43_SHM_SHARED, 2, 0x3344);
+ b43_shm_write16(dev, B43_SHM_SHARED, 4, 0x5566);
+ b43_shm_write16(dev, B43_SHM_SHARED, 6, 0x7788);
+ if (b43_shm_read32(dev, B43_SHM_SHARED, 2) != 0x55663344)
+ b43warn(dev->wl, "Unaligned 32bit SHM read access is broken\n");
+ b43_shm_write32(dev, B43_SHM_SHARED, 2, 0xAABBCCDD);
+ if (b43_shm_read16(dev, B43_SHM_SHARED, 0) != 0x1122 ||
+ b43_shm_read16(dev, B43_SHM_SHARED, 2) != 0xCCDD ||
+ b43_shm_read16(dev, B43_SHM_SHARED, 4) != 0xAABB ||
+ b43_shm_read16(dev, B43_SHM_SHARED, 6) != 0x7788)
+ b43warn(dev->wl, "Unaligned 32bit SHM write access is broken\n");
+
+ b43_shm_write32(dev, B43_SHM_SHARED, 0, backup0);
+ b43_shm_write32(dev, B43_SHM_SHARED, 4, backup4);
if ((dev->dev->id.revision >= 3) && (dev->dev->id.revision <= 10)) {
/* The 32bit register shadows the two 16bit registers
static void b43_security_init(struct b43_wldev *dev)
{
- dev->max_nr_keys = (dev->dev->id.revision >= 5) ? 58 : 20;
- B43_WARN_ON(dev->max_nr_keys > ARRAY_SIZE(dev->key));
dev->ktp = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_KTP);
/* KTP is a word address, but we address SHM bytewise.
* So multiply by two.
*/
dev->ktp *= 2;
- if (dev->dev->id.revision >= 5) {
- /* Number of RCMTA address slots */
- b43_write16(dev, B43_MMIO_RCMTA_COUNT, dev->max_nr_keys - 8);
- }
+ /* Number of RCMTA address slots */
+ b43_write16(dev, B43_MMIO_RCMTA_COUNT, B43_NR_PAIRWISE_KEYS);
+ /* Clear the key memory. */
b43_clear_keys(dev);
}
-static int b43_rng_read(struct hwrng *rng, u32 * data)
+#ifdef CONFIG_B43_HWRNG
+static int b43_rng_read(struct hwrng *rng, u32 *data)
{
struct b43_wl *wl = (struct b43_wl *)rng->priv;
- unsigned long flags;
-
- /* Don't take wl->mutex here, as it could deadlock with
- * hwrng internal locking. It's not needed to take
- * wl->mutex here, anyway. */
+ struct b43_wldev *dev;
+ int count = -ENODEV;
- spin_lock_irqsave(&wl->irq_lock, flags);
- *data = b43_read16(wl->current_dev, B43_MMIO_RNG);
- spin_unlock_irqrestore(&wl->irq_lock, flags);
+ mutex_lock(&wl->mutex);
+ dev = wl->current_dev;
+ if (likely(dev && b43_status(dev) >= B43_STAT_INITIALIZED)) {
+ *data = b43_read16(dev, B43_MMIO_RNG);
+ count = sizeof(u16);
+ }
+ mutex_unlock(&wl->mutex);
- return (sizeof(u16));
+ return count;
}
+#endif /* CONFIG_B43_HWRNG */
static void b43_rng_exit(struct b43_wl *wl)
{
+#ifdef CONFIG_B43_HWRNG
if (wl->rng_initialized)
hwrng_unregister(&wl->rng);
+#endif /* CONFIG_B43_HWRNG */
}
static int b43_rng_init(struct b43_wl *wl)
{
- int err;
+ int err = 0;
+#ifdef CONFIG_B43_HWRNG
snprintf(wl->rng_name, ARRAY_SIZE(wl->rng_name),
"%s_%s", KBUILD_MODNAME, wiphy_name(wl->hw->wiphy));
wl->rng.name = wl->rng_name;
b43err(wl, "Failed to register the random "
"number generator (%d)\n", err);
}
+#endif /* CONFIG_B43_HWRNG */
return err;
}
+static void b43_tx_work(struct work_struct *work)
+{
+ struct b43_wl *wl = container_of(work, struct b43_wl, tx_work);
+ struct b43_wldev *dev;
+ struct sk_buff *skb;
+ int err = 0;
+
+ mutex_lock(&wl->mutex);
+ dev = wl->current_dev;
+ if (unlikely(!dev || b43_status(dev) < B43_STAT_STARTED)) {
+ mutex_unlock(&wl->mutex);
+ return;
+ }
+
+ while (skb_queue_len(&wl->tx_queue)) {
+ skb = skb_dequeue(&wl->tx_queue);
+
+ if (b43_using_pio_transfers(dev))
+ err = b43_pio_tx(dev, skb);
+ else
+ err = b43_dma_tx(dev, skb);
+ if (unlikely(err))
+ dev_kfree_skb(skb); /* Drop it */
+ }
+
+#if B43_DEBUG
+ dev->tx_count++;
+#endif
+ mutex_unlock(&wl->mutex);
+}
+
static int b43_op_tx(struct ieee80211_hw *hw,
- struct sk_buff *skb,
- struct ieee80211_tx_control *ctl)
+ struct sk_buff *skb)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
- struct b43_wldev *dev = wl->current_dev;
- unsigned long flags;
- int err;
if (unlikely(skb->len < 2 + 2 + 6)) {
/* Too short, this can't be a valid frame. */
return NETDEV_TX_OK;
}
B43_WARN_ON(skb_shinfo(skb)->nr_frags);
- if (unlikely(!dev))
- return NETDEV_TX_BUSY;
- /* Transmissions on seperate queues can run concurrently. */
- read_lock_irqsave(&wl->tx_lock, flags);
+ skb_queue_tail(&wl->tx_queue, skb);
+ ieee80211_queue_work(wl->hw, &wl->tx_work);
- err = -ENODEV;
- if (likely(b43_status(dev) >= B43_STAT_STARTED)) {
- if (b43_using_pio_transfers(dev))
- err = b43_pio_tx(dev, skb, ctl);
- else
- err = b43_dma_tx(dev, skb, ctl);
- }
-
- read_unlock_irqrestore(&wl->tx_lock, flags);
-
- if (unlikely(err))
- return NETDEV_TX_BUSY;
return NETDEV_TX_OK;
}
-/* Locking: wl->irq_lock */
static void b43_qos_params_upload(struct b43_wldev *dev,
const struct ieee80211_tx_queue_params *p,
u16 shm_offset)
{
u16 params[B43_NR_QOSPARAMS];
- int cw_min, cw_max, aifs, bslots, tmp;
+ int bslots, tmp;
unsigned int i;
- const u16 aCWmin = 0x0001;
- const u16 aCWmax = 0x03FF;
-
- /* Calculate the default values for the parameters, if needed. */
- switch (shm_offset) {
- case B43_QOS_VOICE:
- aifs = (p->aifs == -1) ? 2 : p->aifs;
- cw_min = (p->cw_min == 0) ? ((aCWmin + 1) / 4 - 1) : p->cw_min;
- cw_max = (p->cw_max == 0) ? ((aCWmin + 1) / 2 - 1) : p->cw_max;
- break;
- case B43_QOS_VIDEO:
- aifs = (p->aifs == -1) ? 2 : p->aifs;
- cw_min = (p->cw_min == 0) ? ((aCWmin + 1) / 2 - 1) : p->cw_min;
- cw_max = (p->cw_max == 0) ? aCWmin : p->cw_max;
- break;
- case B43_QOS_BESTEFFORT:
- aifs = (p->aifs == -1) ? 3 : p->aifs;
- cw_min = (p->cw_min == 0) ? aCWmin : p->cw_min;
- cw_max = (p->cw_max == 0) ? aCWmax : p->cw_max;
- break;
- case B43_QOS_BACKGROUND:
- aifs = (p->aifs == -1) ? 7 : p->aifs;
- cw_min = (p->cw_min == 0) ? aCWmin : p->cw_min;
- cw_max = (p->cw_max == 0) ? aCWmax : p->cw_max;
- break;
- default:
- B43_WARN_ON(1);
+ if (!dev->qos_enabled)
return;
- }
- if (cw_min <= 0)
- cw_min = aCWmin;
- if (cw_max <= 0)
- cw_max = aCWmin;
- bslots = b43_read16(dev, B43_MMIO_RNG) % cw_min;
+
+ bslots = b43_read16(dev, B43_MMIO_RNG) & p->cw_min;
memset(¶ms, 0, sizeof(params));
params[B43_QOSPARAM_TXOP] = p->txop * 32;
- params[B43_QOSPARAM_CWMIN] = cw_min;
- params[B43_QOSPARAM_CWMAX] = cw_max;
- params[B43_QOSPARAM_CWCUR] = cw_min;
- params[B43_QOSPARAM_AIFS] = aifs;
+ params[B43_QOSPARAM_CWMIN] = p->cw_min;
+ params[B43_QOSPARAM_CWMAX] = p->cw_max;
+ params[B43_QOSPARAM_CWCUR] = p->cw_min;
+ params[B43_QOSPARAM_AIFS] = p->aifs;
params[B43_QOSPARAM_BSLOTS] = bslots;
- params[B43_QOSPARAM_REGGAP] = bslots + aifs;
+ params[B43_QOSPARAM_REGGAP] = bslots + p->aifs;
for (i = 0; i < ARRAY_SIZE(params); i++) {
if (i == B43_QOSPARAM_STATUS) {
}
}
-/* Update the QOS parameters in hardware. */
-static void b43_qos_update(struct b43_wldev *dev)
+/* Mapping of mac80211 queue numbers to b43 QoS SHM offsets. */
+static const u16 b43_qos_shm_offsets[] = {
+ /* [mac80211-queue-nr] = SHM_OFFSET, */
+ [0] = B43_QOS_VOICE,
+ [1] = B43_QOS_VIDEO,
+ [2] = B43_QOS_BESTEFFORT,
+ [3] = B43_QOS_BACKGROUND,
+};
+
+/* Update all QOS parameters in hardware. */
+static void b43_qos_upload_all(struct b43_wldev *dev)
{
struct b43_wl *wl = dev->wl;
struct b43_qos_params *params;
- unsigned long flags;
unsigned int i;
- /* Mapping of mac80211 queues to b43 SHM offsets. */
- static const u16 qos_shm_offsets[] = {
- [0] = B43_QOS_VOICE,
- [1] = B43_QOS_VIDEO,
- [2] = B43_QOS_BESTEFFORT,
- [3] = B43_QOS_BACKGROUND,
- };
- BUILD_BUG_ON(ARRAY_SIZE(qos_shm_offsets) != ARRAY_SIZE(wl->qos_params));
+ if (!dev->qos_enabled)
+ return;
- b43_mac_suspend(dev);
- spin_lock_irqsave(&wl->irq_lock, flags);
+ BUILD_BUG_ON(ARRAY_SIZE(b43_qos_shm_offsets) !=
+ ARRAY_SIZE(wl->qos_params));
+ b43_mac_suspend(dev);
for (i = 0; i < ARRAY_SIZE(wl->qos_params); i++) {
params = &(wl->qos_params[i]);
- if (params->need_hw_update) {
- b43_qos_params_upload(dev, &(params->p),
- qos_shm_offsets[i]);
- params->need_hw_update = 0;
- }
+ b43_qos_params_upload(dev, &(params->p),
+ b43_qos_shm_offsets[i]);
}
-
- spin_unlock_irqrestore(&wl->irq_lock, flags);
b43_mac_enable(dev);
}
struct b43_qos_params *params;
unsigned int i;
+ /* Initialize QoS parameters to sane defaults. */
+
+ BUILD_BUG_ON(ARRAY_SIZE(b43_qos_shm_offsets) !=
+ ARRAY_SIZE(wl->qos_params));
+
for (i = 0; i < ARRAY_SIZE(wl->qos_params); i++) {
params = &(wl->qos_params[i]);
- memset(&(params->p), 0, sizeof(params->p));
- params->p.aifs = -1;
- params->need_hw_update = 1;
+ switch (b43_qos_shm_offsets[i]) {
+ case B43_QOS_VOICE:
+ params->p.txop = 0;
+ params->p.aifs = 2;
+ params->p.cw_min = 0x0001;
+ params->p.cw_max = 0x0001;
+ break;
+ case B43_QOS_VIDEO:
+ params->p.txop = 0;
+ params->p.aifs = 2;
+ params->p.cw_min = 0x0001;
+ params->p.cw_max = 0x0001;
+ break;
+ case B43_QOS_BESTEFFORT:
+ params->p.txop = 0;
+ params->p.aifs = 3;
+ params->p.cw_min = 0x0001;
+ params->p.cw_max = 0x03FF;
+ break;
+ case B43_QOS_BACKGROUND:
+ params->p.txop = 0;
+ params->p.aifs = 7;
+ params->p.cw_min = 0x0001;
+ params->p.cw_max = 0x03FF;
+ break;
+ default:
+ B43_WARN_ON(1);
+ }
}
}
/* Initialize the core's QOS capabilities */
static void b43_qos_init(struct b43_wldev *dev)
{
- struct b43_wl *wl = dev->wl;
- unsigned int i;
+ if (!dev->qos_enabled) {
+ /* Disable QOS support. */
+ b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_EDCF);
+ b43_write16(dev, B43_MMIO_IFSCTL,
+ b43_read16(dev, B43_MMIO_IFSCTL)
+ & ~B43_MMIO_IFSCTL_USE_EDCF);
+ b43dbg(dev->wl, "QoS disabled\n");
+ return;
+ }
/* Upload the current QOS parameters. */
- for (i = 0; i < ARRAY_SIZE(wl->qos_params); i++)
- wl->qos_params[i].need_hw_update = 1;
- b43_qos_update(dev);
+ b43_qos_upload_all(dev);
/* Enable QOS support. */
b43_hf_write(dev, b43_hf_read(dev) | B43_HF_EDCF);
b43_write16(dev, B43_MMIO_IFSCTL,
b43_read16(dev, B43_MMIO_IFSCTL)
| B43_MMIO_IFSCTL_USE_EDCF);
+ b43dbg(dev->wl, "QoS enabled\n");
}
-static void b43_qos_update_work(struct work_struct *work)
-{
- struct b43_wl *wl = container_of(work, struct b43_wl, qos_update_work);
- struct b43_wldev *dev;
-
- mutex_lock(&wl->mutex);
- dev = wl->current_dev;
- if (likely(dev && (b43_status(dev) >= B43_STAT_INITIALIZED)))
- b43_qos_update(dev);
- mutex_unlock(&wl->mutex);
-}
-
-static int b43_op_conf_tx(struct ieee80211_hw *hw,
- int _queue,
+static int b43_op_conf_tx(struct ieee80211_hw *hw, u16 _queue,
const struct ieee80211_tx_queue_params *params)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
- unsigned long flags;
+ struct b43_wldev *dev;
unsigned int queue = (unsigned int)_queue;
- struct b43_qos_params *p;
+ int err = -ENODEV;
if (queue >= ARRAY_SIZE(wl->qos_params)) {
/* Queue not available or don't support setting
* confuse mac80211. */
return 0;
}
+ BUILD_BUG_ON(ARRAY_SIZE(b43_qos_shm_offsets) !=
+ ARRAY_SIZE(wl->qos_params));
- spin_lock_irqsave(&wl->irq_lock, flags);
- p = &(wl->qos_params[queue]);
- memcpy(&(p->p), params, sizeof(p->p));
- p->need_hw_update = 1;
- spin_unlock_irqrestore(&wl->irq_lock, flags);
+ mutex_lock(&wl->mutex);
+ dev = wl->current_dev;
+ if (unlikely(!dev || (b43_status(dev) < B43_STAT_INITIALIZED)))
+ goto out_unlock;
+
+ memcpy(&(wl->qos_params[queue].p), params, sizeof(*params));
+ b43_mac_suspend(dev);
+ b43_qos_params_upload(dev, &(wl->qos_params[queue].p),
+ b43_qos_shm_offsets[queue]);
+ b43_mac_enable(dev);
+ err = 0;
- queue_work(hw->workqueue, &wl->qos_update_work);
+out_unlock:
+ mutex_unlock(&wl->mutex);
- return 0;
+ return err;
}
static int b43_op_get_tx_stats(struct ieee80211_hw *hw,
struct ieee80211_tx_queue_stats *stats)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
- struct b43_wldev *dev = wl->current_dev;
- unsigned long flags;
+ struct b43_wldev *dev;
int err = -ENODEV;
- if (!dev)
- goto out;
- spin_lock_irqsave(&wl->irq_lock, flags);
- if (likely(b43_status(dev) >= B43_STAT_STARTED)) {
+ mutex_lock(&wl->mutex);
+ dev = wl->current_dev;
+ if (dev && b43_status(dev) >= B43_STAT_STARTED) {
if (b43_using_pio_transfers(dev))
b43_pio_get_tx_stats(dev, stats);
else
b43_dma_get_tx_stats(dev, stats);
err = 0;
}
- spin_unlock_irqrestore(&wl->irq_lock, flags);
-out:
+ mutex_unlock(&wl->mutex);
+
return err;
}
struct ieee80211_low_level_stats *stats)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
- unsigned long flags;
- spin_lock_irqsave(&wl->irq_lock, flags);
+ mutex_lock(&wl->mutex);
memcpy(stats, &wl->ieee_stats, sizeof(*stats));
- spin_unlock_irqrestore(&wl->irq_lock, flags);
+ mutex_unlock(&wl->mutex);
return 0;
}
+static u64 b43_op_get_tsf(struct ieee80211_hw *hw)
+{
+ struct b43_wl *wl = hw_to_b43_wl(hw);
+ struct b43_wldev *dev;
+ u64 tsf;
+
+ mutex_lock(&wl->mutex);
+ dev = wl->current_dev;
+
+ if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED))
+ b43_tsf_read(dev, &tsf);
+ else
+ tsf = 0;
+
+ mutex_unlock(&wl->mutex);
+
+ return tsf;
+}
+
+static void b43_op_set_tsf(struct ieee80211_hw *hw, u64 tsf)
+{
+ struct b43_wl *wl = hw_to_b43_wl(hw);
+ struct b43_wldev *dev;
+
+ mutex_lock(&wl->mutex);
+ dev = wl->current_dev;
+
+ if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED))
+ b43_tsf_write(dev, tsf);
+
+ mutex_unlock(&wl->mutex);
+}
+
static void b43_put_phy_into_reset(struct b43_wldev *dev)
{
struct ssb_device *sdev = dev->dev;
msleep(1);
}
-static const char * band_to_string(enum ieee80211_band band)
+static const char *band_to_string(enum ieee80211_band band)
{
switch (band) {
case IEEE80211_BAND_5GHZ:
struct b43_wldev *down_dev;
struct b43_wldev *d;
int err;
- bool gmode;
+ bool uninitialized_var(gmode);
int prev_status;
/* Find a device and PHY which supports the band. */
prev_status = b43_status(down_dev);
/* Shutdown the currently running core. */
if (prev_status >= B43_STAT_STARTED)
- b43_wireless_core_stop(down_dev);
+ down_dev = b43_wireless_core_stop(down_dev);
if (prev_status >= B43_STAT_INITIALIZED)
b43_wireless_core_exit(down_dev);
return err;
}
-static int b43_op_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf)
+/* Write the short and long frame retry limit values. */
+static void b43_set_retry_limits(struct b43_wldev *dev,
+ unsigned int short_retry,
+ unsigned int long_retry)
+{
+ /* The retry limit is a 4-bit counter. Enforce this to avoid overflowing
+ * the chip-internal counter. */
+ short_retry = min(short_retry, (unsigned int)0xF);
+ long_retry = min(long_retry, (unsigned int)0xF);
+
+ b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_SRLIMIT,
+ short_retry);
+ b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_LRLIMIT,
+ long_retry);
+}
+
+static int b43_op_config(struct ieee80211_hw *hw, u32 changed)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
struct b43_wldev *dev;
struct b43_phy *phy;
- unsigned long flags;
+ struct ieee80211_conf *conf = &hw->conf;
int antenna;
int err = 0;
- u32 savedirqs;
mutex_lock(&wl->mutex);
dev = wl->current_dev;
phy = &dev->phy;
- /* Disable IRQs while reconfiguring the device.
- * This makes it possible to drop the spinlock throughout
- * the reconfiguration process. */
- spin_lock_irqsave(&wl->irq_lock, flags);
- if (b43_status(dev) < B43_STAT_STARTED) {
- spin_unlock_irqrestore(&wl->irq_lock, flags);
- goto out_unlock_mutex;
- }
- savedirqs = b43_interrupt_disable(dev, B43_IRQ_ALL);
- spin_unlock_irqrestore(&wl->irq_lock, flags);
- b43_synchronize_irq(dev);
+ b43_mac_suspend(dev);
+
+ if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
+ b43_set_retry_limits(dev, conf->short_frame_max_tx_count,
+ conf->long_frame_max_tx_count);
+ changed &= ~IEEE80211_CONF_CHANGE_RETRY_LIMITS;
+ if (!changed)
+ goto out_mac_enable;
/* Switch to the requested channel.
* The firmware takes care of races with the TX handler. */
if (conf->channel->hw_value != phy->channel)
- b43_radio_selectchannel(dev, conf->channel->hw_value, 0);
+ b43_switch_channel(dev, conf->channel->hw_value);
- /* Enable/Disable ShortSlot timing. */
- if ((!!(conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME)) !=
- dev->short_slot) {
- B43_WARN_ON(phy->type != B43_PHYTYPE_G);
- if (conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME)
- b43_short_slot_timing_enable(dev);
- else
- b43_short_slot_timing_disable(dev);
- }
-
- dev->wl->radiotap_enabled = !!(conf->flags & IEEE80211_CONF_RADIOTAP);
+ dev->wl->radiotap_enabled = !!(conf->flags & IEEE80211_CONF_MONITOR);
/* Adjust the desired TX power level. */
if (conf->power_level != 0) {
- if (conf->power_level != phy->power_level) {
- phy->power_level = conf->power_level;
- b43_phy_xmitpower(dev);
+ if (conf->power_level != phy->desired_txpower) {
+ phy->desired_txpower = conf->power_level;
+ b43_phy_txpower_check(dev, B43_TXPWR_IGNORE_TIME |
+ B43_TXPWR_IGNORE_TSSI);
}
}
- /* Antennas for RX and management frame TX. */
- antenna = b43_antenna_from_ieee80211(dev, conf->antenna_sel_tx);
- b43_mgmtframe_txantenna(dev, antenna);
- antenna = b43_antenna_from_ieee80211(dev, conf->antenna_sel_rx);
- b43_set_rx_antenna(dev, antenna);
+ /* Antennas for RX and management frame TX. */
+ antenna = B43_ANTENNA_DEFAULT;
+ b43_mgmtframe_txantenna(dev, antenna);
+ antenna = B43_ANTENNA_DEFAULT;
+ if (phy->ops->set_rx_antenna)
+ phy->ops->set_rx_antenna(dev, antenna);
+
+ if (wl->radio_enabled != phy->radio_on) {
+ if (wl->radio_enabled) {
+ b43_software_rfkill(dev, false);
+ b43info(dev->wl, "Radio turned on by software\n");
+ if (!dev->radio_hw_enable) {
+ b43info(dev->wl, "The hardware RF-kill button "
+ "still turns the radio physically off. "
+ "Press the button to turn it on.\n");
+ }
+ } else {
+ b43_software_rfkill(dev, true);
+ b43info(dev->wl, "Radio turned off by software\n");
+ }
+ }
+
+out_mac_enable:
+ b43_mac_enable(dev);
+out_unlock_mutex:
+ mutex_unlock(&wl->mutex);
+
+ return err;
+}
+
+static void b43_update_basic_rates(struct b43_wldev *dev, u32 brates)
+{
+ struct ieee80211_supported_band *sband =
+ dev->wl->hw->wiphy->bands[b43_current_band(dev->wl)];
+ struct ieee80211_rate *rate;
+ int i;
+ u16 basic, direct, offset, basic_offset, rateptr;
+
+ for (i = 0; i < sband->n_bitrates; i++) {
+ rate = &sband->bitrates[i];
+
+ if (b43_is_cck_rate(rate->hw_value)) {
+ direct = B43_SHM_SH_CCKDIRECT;
+ basic = B43_SHM_SH_CCKBASIC;
+ offset = b43_plcp_get_ratecode_cck(rate->hw_value);
+ offset &= 0xF;
+ } else {
+ direct = B43_SHM_SH_OFDMDIRECT;
+ basic = B43_SHM_SH_OFDMBASIC;
+ offset = b43_plcp_get_ratecode_ofdm(rate->hw_value);
+ offset &= 0xF;
+ }
+
+ rate = ieee80211_get_response_rate(sband, brates, rate->bitrate);
+
+ if (b43_is_cck_rate(rate->hw_value)) {
+ basic_offset = b43_plcp_get_ratecode_cck(rate->hw_value);
+ basic_offset &= 0xF;
+ } else {
+ basic_offset = b43_plcp_get_ratecode_ofdm(rate->hw_value);
+ basic_offset &= 0xF;
+ }
+
+ /*
+ * Get the pointer that we need to point to
+ * from the direct map
+ */
+ rateptr = b43_shm_read16(dev, B43_SHM_SHARED,
+ direct + 2 * basic_offset);
+ /* and write it to the basic map */
+ b43_shm_write16(dev, B43_SHM_SHARED, basic + 2 * offset,
+ rateptr);
+ }
+}
+
+static void b43_op_bss_info_changed(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *conf,
+ u32 changed)
+{
+ struct b43_wl *wl = hw_to_b43_wl(hw);
+ struct b43_wldev *dev;
+
+ mutex_lock(&wl->mutex);
+
+ dev = wl->current_dev;
+ if (!dev || b43_status(dev) < B43_STAT_STARTED)
+ goto out_unlock_mutex;
+
+ B43_WARN_ON(wl->vif != vif);
+
+ if (changed & BSS_CHANGED_BSSID) {
+ if (conf->bssid)
+ memcpy(wl->bssid, conf->bssid, ETH_ALEN);
+ else
+ memset(wl->bssid, 0, ETH_ALEN);
+ }
+
+ if (b43_status(dev) >= B43_STAT_INITIALIZED) {
+ if (changed & BSS_CHANGED_BEACON &&
+ (b43_is_mode(wl, NL80211_IFTYPE_AP) ||
+ b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT) ||
+ b43_is_mode(wl, NL80211_IFTYPE_ADHOC)))
+ b43_update_templates(wl);
+
+ if (changed & BSS_CHANGED_BSSID)
+ b43_write_mac_bssid_templates(dev);
+ }
+
+ b43_mac_suspend(dev);
- /* Update templates for AP mode. */
- if (b43_is_mode(wl, IEEE80211_IF_TYPE_AP))
+ /* Update templates for AP/mesh mode. */
+ if (changed & BSS_CHANGED_BEACON_INT &&
+ (b43_is_mode(wl, NL80211_IFTYPE_AP) ||
+ b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT) ||
+ b43_is_mode(wl, NL80211_IFTYPE_ADHOC)))
b43_set_beacon_int(dev, conf->beacon_int);
- if (!!conf->radio_enabled != phy->radio_on) {
- if (conf->radio_enabled) {
- b43_radio_turn_on(dev);
- b43info(dev->wl, "Radio turned on by software\n");
- if (!dev->radio_hw_enable) {
- b43info(dev->wl, "The hardware RF-kill button "
- "still turns the radio physically off. "
- "Press the button to turn it on.\n");
- }
- } else {
- b43_radio_turn_off(dev, 0);
- b43info(dev->wl, "Radio turned off by software\n");
- }
+ if (changed & BSS_CHANGED_BASIC_RATES)
+ b43_update_basic_rates(dev, conf->basic_rates);
+
+ if (changed & BSS_CHANGED_ERP_SLOT) {
+ if (conf->use_short_slot)
+ b43_short_slot_timing_enable(dev);
+ else
+ b43_short_slot_timing_disable(dev);
}
- spin_lock_irqsave(&wl->irq_lock, flags);
- b43_interrupt_enable(dev, savedirqs);
- mmiowb();
- spin_unlock_irqrestore(&wl->irq_lock, flags);
- out_unlock_mutex:
+ b43_mac_enable(dev);
+out_unlock_mutex:
mutex_unlock(&wl->mutex);
-
- return err;
}
static int b43_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
- const u8 *local_addr, const u8 *addr,
- struct ieee80211_key_conf *key)
+ struct ieee80211_vif *vif, struct ieee80211_sta *sta,
+ struct ieee80211_key_conf *key)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
struct b43_wldev *dev;
- unsigned long flags;
u8 algorithm;
u8 index;
int err;
- DECLARE_MAC_BUF(mac);
+ static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
if (modparam_nohwcrypt)
return -ENOSPC; /* User disabled HW-crypto */
mutex_lock(&wl->mutex);
- spin_lock_irqsave(&wl->irq_lock, flags);
dev = wl->current_dev;
err = -ENODEV;
if (!dev || b43_status(dev) < B43_STAT_INITIALIZED)
goto out_unlock;
+ if (dev->fw.pcm_request_failed || !dev->hwcrypto_enabled) {
+ /* We don't have firmware for the crypto engine.
+ * Must use software-crypto. */
+ err = -EOPNOTSUPP;
+ goto out_unlock;
+ }
+
err = -EINVAL;
switch (key->alg) {
case ALG_WEP:
- if (key->keylen == 5)
+ if (key->keylen == WLAN_KEY_LEN_WEP40)
algorithm = B43_SEC_ALGO_WEP40;
else
algorithm = B43_SEC_ALGO_WEP104;
switch (cmd) {
case SET_KEY:
- if (algorithm == B43_SEC_ALGO_TKIP) {
- /* FIXME: No TKIP hardware encryption for now. */
+ if (algorithm == B43_SEC_ALGO_TKIP &&
+ (!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE) ||
+ !modparam_hwtkip)) {
+ /* We support only pairwise key */
err = -EOPNOTSUPP;
goto out_unlock;
}
- if (is_broadcast_ether_addr(addr)) {
- /* addr is FF:FF:FF:FF:FF:FF for default keys */
+ if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) {
+ if (WARN_ON(!sta)) {
+ err = -EOPNOTSUPP;
+ goto out_unlock;
+ }
+ /* Pairwise key with an assigned MAC address. */
+ err = b43_key_write(dev, -1, algorithm,
+ key->key, key->keylen,
+ sta->addr, key);
+ } else {
+ /* Group key */
err = b43_key_write(dev, index, algorithm,
key->key, key->keylen, NULL, key);
- } else {
- /*
- * either pairwise key or address is 00:00:00:00:00:00
- * for transmit-only keys
- */
- err = b43_key_write(dev, -1, algorithm,
- key->key, key->keylen, addr, key);
}
if (err)
goto out_unlock;
b43_hf_read(dev) & ~B43_HF_USEDEFKEYS);
}
key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
+ if (algorithm == B43_SEC_ALGO_TKIP)
+ key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
break;
case DISABLE_KEY: {
err = b43_key_clear(dev, key->hw_key_idx);
default:
B43_WARN_ON(1);
}
+
out_unlock:
- spin_unlock_irqrestore(&wl->irq_lock, flags);
- mutex_unlock(&wl->mutex);
if (!err) {
b43dbg(wl, "%s hardware based encryption for keyidx: %d, "
- "mac: %s\n",
+ "mac: %pM\n",
cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
- print_mac(mac, addr));
+ sta ? sta->addr : bcast_addr);
+ b43_dump_keymemory(dev);
}
+ mutex_unlock(&wl->mutex);
+
return err;
}
static void b43_op_configure_filter(struct ieee80211_hw *hw,
unsigned int changed, unsigned int *fflags,
- int mc_count, struct dev_addr_list *mc_list)
+ u64 multicast)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
- struct b43_wldev *dev = wl->current_dev;
- unsigned long flags;
+ struct b43_wldev *dev;
+ mutex_lock(&wl->mutex);
+ dev = wl->current_dev;
if (!dev) {
*fflags = 0;
- return;
+ goto out_unlock;
}
- spin_lock_irqsave(&wl->irq_lock, flags);
*fflags &= FIF_PROMISC_IN_BSS |
FIF_ALLMULTI |
FIF_FCSFAIL |
if (changed && b43_status(dev) >= B43_STAT_INITIALIZED)
b43_adjust_opmode(dev);
- spin_unlock_irqrestore(&wl->irq_lock, flags);
-}
-
-static int b43_op_config_interface(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct ieee80211_if_conf *conf)
-{
- struct b43_wl *wl = hw_to_b43_wl(hw);
- struct b43_wldev *dev = wl->current_dev;
- unsigned long flags;
- if (!dev)
- return -ENODEV;
- mutex_lock(&wl->mutex);
- spin_lock_irqsave(&wl->irq_lock, flags);
- B43_WARN_ON(wl->vif != vif);
- if (conf->bssid)
- memcpy(wl->bssid, conf->bssid, ETH_ALEN);
- else
- memset(wl->bssid, 0, ETH_ALEN);
- if (b43_status(dev) >= B43_STAT_INITIALIZED) {
- if (b43_is_mode(wl, IEEE80211_IF_TYPE_AP)) {
- B43_WARN_ON(conf->type != IEEE80211_IF_TYPE_AP);
- b43_set_ssid(dev, conf->ssid, conf->ssid_len);
- if (conf->beacon) {
- b43_update_templates(wl, conf->beacon,
- conf->beacon_control);
- }
- }
- b43_write_mac_bssid_templates(dev);
- }
- spin_unlock_irqrestore(&wl->irq_lock, flags);
+out_unlock:
mutex_unlock(&wl->mutex);
-
- return 0;
}
-/* Locking: wl->mutex */
-static void b43_wireless_core_stop(struct b43_wldev *dev)
+/* Locking: wl->mutex
+ * Returns the current dev. This might be different from the passed in dev,
+ * because the core might be gone away while we unlocked the mutex. */
+static struct b43_wldev * b43_wireless_core_stop(struct b43_wldev *dev)
{
struct b43_wl *wl = dev->wl;
- unsigned long flags;
+ struct b43_wldev *orig_dev;
+ u32 mask;
- if (b43_status(dev) < B43_STAT_STARTED)
- return;
+redo:
+ if (!dev || b43_status(dev) < B43_STAT_STARTED)
+ return dev;
- /* Disable and sync interrupts. We must do this before than
- * setting the status to INITIALIZED, as the interrupt handler
- * won't care about IRQs then. */
- spin_lock_irqsave(&wl->irq_lock, flags);
- dev->irq_savedstate = b43_interrupt_disable(dev, B43_IRQ_ALL);
- b43_read32(dev, B43_MMIO_GEN_IRQ_MASK); /* flush */
- spin_unlock_irqrestore(&wl->irq_lock, flags);
- b43_synchronize_irq(dev);
+ /* Cancel work. Unlock to avoid deadlocks. */
+ mutex_unlock(&wl->mutex);
+ cancel_delayed_work_sync(&dev->periodic_work);
+ cancel_work_sync(&wl->tx_work);
+ mutex_lock(&wl->mutex);
+ dev = wl->current_dev;
+ if (!dev || b43_status(dev) < B43_STAT_STARTED) {
+ /* Whoops, aliens ate up the device while we were unlocked. */
+ return dev;
+ }
- write_lock_irqsave(&wl->tx_lock, flags);
+ /* Disable interrupts on the device. */
b43_set_status(dev, B43_STAT_INITIALIZED);
- write_unlock_irqrestore(&wl->tx_lock, flags);
-
- b43_pio_stop(dev);
+ if (dev->dev->bus->bustype == SSB_BUSTYPE_SDIO) {
+ /* wl->mutex is locked. That is enough. */
+ b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, 0);
+ b43_read32(dev, B43_MMIO_GEN_IRQ_MASK); /* Flush */
+ } else {
+ spin_lock_irq(&wl->hardirq_lock);
+ b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, 0);
+ b43_read32(dev, B43_MMIO_GEN_IRQ_MASK); /* Flush */
+ spin_unlock_irq(&wl->hardirq_lock);
+ }
+ /* Synchronize and free the interrupt handlers. Unlock to avoid deadlocks. */
+ orig_dev = dev;
mutex_unlock(&wl->mutex);
- /* Must unlock as it would otherwise deadlock. No races here.
- * Cancel the possibly running self-rearming periodic work. */
- cancel_delayed_work_sync(&dev->periodic_work);
+ if (dev->dev->bus->bustype == SSB_BUSTYPE_SDIO) {
+ b43_sdio_free_irq(dev);
+ } else {
+ synchronize_irq(dev->dev->irq);
+ free_irq(dev->dev->irq, dev);
+ }
mutex_lock(&wl->mutex);
+ dev = wl->current_dev;
+ if (!dev)
+ return dev;
+ if (dev != orig_dev) {
+ if (b43_status(dev) >= B43_STAT_STARTED)
+ goto redo;
+ return dev;
+ }
+ mask = b43_read32(dev, B43_MMIO_GEN_IRQ_MASK);
+ B43_WARN_ON(mask != 0xFFFFFFFF && mask);
+
+ /* Drain the TX queue */
+ while (skb_queue_len(&wl->tx_queue))
+ dev_kfree_skb(skb_dequeue(&wl->tx_queue));
b43_mac_suspend(dev);
- free_irq(dev->dev->irq, dev);
+ b43_leds_exit(dev);
b43dbg(wl, "Wireless interface stopped\n");
+
+ return dev;
}
/* Locking: wl->mutex */
B43_WARN_ON(b43_status(dev) != B43_STAT_INITIALIZED);
drain_txstatus_queue(dev);
- err = request_irq(dev->dev->irq, b43_interrupt_handler,
- IRQF_SHARED, KBUILD_MODNAME, dev);
- if (err) {
- b43err(dev->wl, "Cannot request IRQ-%d\n", dev->dev->irq);
- goto out;
+ if (dev->dev->bus->bustype == SSB_BUSTYPE_SDIO) {
+ err = b43_sdio_request_irq(dev, b43_sdio_interrupt_handler);
+ if (err) {
+ b43err(dev->wl, "Cannot request SDIO IRQ\n");
+ goto out;
+ }
+ } else {
+ err = request_threaded_irq(dev->dev->irq, b43_interrupt_handler,
+ b43_interrupt_thread_handler,
+ IRQF_SHARED, KBUILD_MODNAME, dev);
+ if (err) {
+ b43err(dev->wl, "Cannot request IRQ-%d\n", dev->dev->irq);
+ goto out;
+ }
}
/* We are ready to run. */
/* Start data flow (TX/RX). */
b43_mac_enable(dev);
- b43_interrupt_enable(dev, dev->irq_savedstate);
- ieee80211_start_queues(dev->wl->hw);
+ b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, dev->irq_mask);
/* Start maintainance work */
b43_periodic_tasks_setup(dev);
+ b43_leds_init(dev);
+
b43dbg(dev->wl, "Wireless interface started\n");
- out:
+out:
return err;
}
break;
#ifdef CONFIG_B43_NPHY
case B43_PHYTYPE_N:
- if (phy_rev > 1)
+ if (phy_rev > 4)
+ unsupported = 1;
+ break;
+#endif
+#ifdef CONFIG_B43_PHY_LP
+ case B43_PHYTYPE_LP:
+ if (phy_rev > 2)
unsupported = 1;
break;
#endif
unsupported = 1;
break;
case B43_PHYTYPE_N:
- if (radio_ver != 0x2055)
+ if (radio_ver != 0x2055 && radio_ver != 0x2056)
+ unsupported = 1;
+ break;
+ case B43_PHYTYPE_LP:
+ if (radio_ver != 0x2062 && radio_ver != 0x2063)
unsupported = 1;
break;
default:
static void setup_struct_phy_for_init(struct b43_wldev *dev,
struct b43_phy *phy)
{
- struct b43_txpower_lo_control *lo;
- int i;
-
- memset(phy->minlowsig, 0xFF, sizeof(phy->minlowsig));
- memset(phy->minlowsigpos, 0, sizeof(phy->minlowsigpos));
-
- phy->aci_enable = 0;
- phy->aci_wlan_automatic = 0;
- phy->aci_hw_rssi = 0;
-
- phy->radio_off_context.valid = 0;
-
- lo = phy->lo_control;
- if (lo) {
- memset(lo, 0, sizeof(*(phy->lo_control)));
- lo->rebuild = 1;
- lo->tx_bias = 0xFF;
- }
- phy->max_lb_gain = 0;
- phy->trsw_rx_gain = 0;
- phy->txpwr_offset = 0;
-
- /* NRSSI */
- phy->nrssislope = 0;
- for (i = 0; i < ARRAY_SIZE(phy->nrssi); i++)
- phy->nrssi[i] = -1000;
- for (i = 0; i < ARRAY_SIZE(phy->nrssi_lt); i++)
- phy->nrssi_lt[i] = i;
-
- phy->lofcal = 0xFFFF;
- phy->initval = 0xFFFF;
-
- phy->interfmode = B43_INTERFMODE_NONE;
- phy->channel = 0xFF;
-
phy->hardware_power_control = !!modparam_hwpctl;
-
+ phy->next_txpwr_check_time = jiffies;
/* PHY TX errors counter. */
atomic_set(&phy->txerr_cnt, B43_PHY_TX_BADNESS_LIMIT);
- /* OFDM-table address caching. */
- phy->ofdmtab_addr_direction = B43_OFDMTAB_DIRECTION_UNKNOWN;
+#if B43_DEBUG
+ phy->phy_locked = 0;
+ phy->radio_locked = 0;
+#endif
}
static void setup_struct_wldev_for_init(struct b43_wldev *dev)
/* IRQ related flags */
dev->irq_reason = 0;
memset(dev->dma_reason, 0, sizeof(dev->dma_reason));
- dev->irq_savedstate = B43_IRQ_MASKTEMPLATE;
+ dev->irq_mask = B43_IRQ_MASKTEMPLATE;
+ if (b43_modparam_verbose < B43_VERBOSITY_DEBUG)
+ dev->irq_mask &= ~B43_IRQ_PHY_TXERR;
dev->mac_suspended = 1;
bus->pcicore.dev->id.revision <= 5) {
/* IMCFGLO timeouts workaround. */
tmp = ssb_read32(dev->dev, SSB_IMCFGLO);
- tmp &= ~SSB_IMCFGLO_REQTO;
- tmp &= ~SSB_IMCFGLO_SERTO;
switch (bus->bustype) {
case SSB_BUSTYPE_PCI:
case SSB_BUSTYPE_PCMCIA:
+ tmp &= ~SSB_IMCFGLO_REQTO;
+ tmp &= ~SSB_IMCFGLO_SERTO;
tmp |= 0x32;
break;
case SSB_BUSTYPE_SSB:
+ tmp &= ~SSB_IMCFGLO_REQTO;
+ tmp &= ~SSB_IMCFGLO_SERTO;
tmp |= 0x53;
break;
+ default:
+ break;
}
ssb_write32(dev->dev, SSB_IMCFGLO, tmp);
}
#endif /* CONFIG_SSB_DRIVER_PCICORE */
}
-/* Write the short and long frame retry limit values. */
-static void b43_set_retry_limits(struct b43_wldev *dev,
- unsigned int short_retry,
- unsigned int long_retry)
-{
- /* The retry limit is a 4-bit counter. Enforce this to avoid overflowing
- * the chip-internal counter. */
- short_retry = min(short_retry, (unsigned int)0xF);
- long_retry = min(long_retry, (unsigned int)0xF);
-
- b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_SRLIMIT,
- short_retry);
- b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_LRLIMIT,
- long_retry);
-}
-
static void b43_set_synth_pu_delay(struct b43_wldev *dev, bool idle)
{
u16 pu_delay;
pu_delay = 3700;
else
pu_delay = 1050;
- if (b43_is_mode(dev->wl, IEEE80211_IF_TYPE_IBSS) || idle)
+ if (b43_is_mode(dev->wl, NL80211_IFTYPE_ADHOC) || idle)
pu_delay = 500;
if ((dev->phy.radio_ver == 0x2050) && (dev->phy.radio_rev == 8))
pu_delay = max(pu_delay, (u16)2400);
u16 pretbtt;
/* The time value is in microseconds. */
- if (b43_is_mode(dev->wl, IEEE80211_IF_TYPE_IBSS)) {
+ if (b43_is_mode(dev->wl, NL80211_IFTYPE_ADHOC)) {
pretbtt = 2;
} else {
if (dev->phy.type == B43_PHYTYPE_A)
/* Locking: wl->mutex */
static void b43_wireless_core_exit(struct b43_wldev *dev)
{
- struct b43_phy *phy = &dev->phy;
u32 macctl;
- B43_WARN_ON(b43_status(dev) > B43_STAT_INITIALIZED);
- if (b43_status(dev) != B43_STAT_INITIALIZED)
+ B43_WARN_ON(dev && b43_status(dev) > B43_STAT_INITIALIZED);
+ if (!dev || b43_status(dev) != B43_STAT_INITIALIZED)
return;
b43_set_status(dev, B43_STAT_UNINIT);
macctl |= B43_MACCTL_PSM_JMP0;
b43_write32(dev, B43_MMIO_MACCTL, macctl);
- if (!dev->suspend_in_progress) {
- b43_leds_exit(dev);
- b43_rng_exit(dev->wl);
- }
b43_dma_free(dev);
b43_pio_free(dev);
b43_chip_exit(dev);
- b43_radio_turn_off(dev, 1);
- b43_switch_analog(dev, 0);
- if (phy->dyn_tssi_tbl)
- kfree(phy->tssi2dbm);
- kfree(phy->lo_control);
- phy->lo_control = NULL;
+ dev->phy.ops->switch_analog(dev, 0);
if (dev->wl->current_beacon) {
dev_kfree_skb_any(dev->wl->current_beacon);
dev->wl->current_beacon = NULL;
/* Initialize a wireless core */
static int b43_wireless_core_init(struct b43_wldev *dev)
{
- struct b43_wl *wl = dev->wl;
struct ssb_bus *bus = dev->dev->bus;
struct ssb_sprom *sprom = &bus->sprom;
struct b43_phy *phy = &dev->phy;
b43_wireless_core_reset(dev, tmp);
}
- if ((phy->type == B43_PHYTYPE_B) || (phy->type == B43_PHYTYPE_G)) {
- phy->lo_control =
- kzalloc(sizeof(*(phy->lo_control)), GFP_KERNEL);
- if (!phy->lo_control) {
- err = -ENOMEM;
- goto err_busdown;
- }
- }
+ /* Reset all data structures. */
setup_struct_wldev_for_init(dev);
-
- err = b43_phy_init_tssi2dbm_table(dev);
- if (err)
- goto err_kfree_lo_control;
+ phy->ops->prepare_structs(dev);
/* Enable IRQ routing to this device. */
ssb_pcicore_dev_irqvecs_enable(&bus->pcicore, dev->dev);
b43_imcfglo_timeouts_workaround(dev);
b43_bluetooth_coext_disable(dev);
- b43_phy_early_init(dev);
+ if (phy->ops->prepare_hardware) {
+ err = phy->ops->prepare_hardware(dev);
+ if (err)
+ goto err_busdown;
+ }
err = b43_chip_init(dev);
if (err)
- goto err_kfree_tssitbl;
+ goto err_busdown;
b43_shm_write16(dev, B43_SHM_SHARED,
B43_SHM_SH_WLCOREREV, dev->dev->id.revision);
hf = b43_hf_read(dev);
hf |= B43_HF_GDCW;
if (sprom->boardflags_lo & B43_BFL_PACTRL)
hf |= B43_HF_OFDMPABOOST;
- } else if (phy->type == B43_PHYTYPE_B) {
- hf |= B43_HF_SYMW;
- if (phy->rev >= 2 && phy->radio_ver == 0x2050)
- hf &= ~B43_HF_GDCW;
}
+ if (phy->radio_ver == 0x2050) {
+ if (phy->radio_rev == 6)
+ hf |= B43_HF_4318TSSI;
+ if (phy->radio_rev < 6)
+ hf |= B43_HF_VCORECALC;
+ }
+ if (sprom->boardflags_lo & B43_BFL_XTAL_NOSLOW)
+ hf |= B43_HF_DSCRQ; /* Disable slowclock requests from ucode. */
+#ifdef CONFIG_SSB_DRIVER_PCICORE
+ if ((bus->bustype == SSB_BUSTYPE_PCI) &&
+ (bus->pcicore.dev->id.revision <= 10))
+ hf |= B43_HF_PCISCW; /* PCI slow clock workaround. */
+#endif
+ hf &= ~B43_HF_SKCFPUP;
b43_hf_write(dev, hf);
b43_set_retry_limits(dev, B43_DEFAULT_SHORT_RETRY_LIMIT,
/* Maximum Contention Window */
b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_MAXCONT, 0x3FF);
- if ((dev->dev->bus->bustype == SSB_BUSTYPE_PCMCIA) || B43_FORCE_PIO) {
+ if ((dev->dev->bus->bustype == SSB_BUSTYPE_PCMCIA) ||
+ (dev->dev->bus->bustype == SSB_BUSTYPE_SDIO) ||
+ modparam_pio) {
dev->__using_pio_transfers = 1;
err = b43_pio_init(dev);
} else {
b43_set_synth_pu_delay(dev, 1);
b43_bluetooth_coext_enable(dev);
- ssb_bus_powerup(bus, 1); /* Enable dynamic PCTL */
+ ssb_bus_powerup(bus, !(sprom->boardflags_lo & B43_BFL_XTAL_NOSLOW));
b43_upload_card_macaddress(dev);
b43_security_init(dev);
- if (!dev->suspend_in_progress)
- b43_rng_init(wl);
+
+ ieee80211_wake_queues(dev->wl->hw);
+
+ ieee80211_wake_queues(dev->wl->hw);
b43_set_status(dev, B43_STAT_INITIALIZED);
- if (!dev->suspend_in_progress)
- b43_leds_init(dev);
out:
return err;
- err_chip_exit:
+err_chip_exit:
b43_chip_exit(dev);
- err_kfree_tssitbl:
- if (phy->dyn_tssi_tbl)
- kfree(phy->tssi2dbm);
- err_kfree_lo_control:
- kfree(phy->lo_control);
- phy->lo_control = NULL;
- err_busdown:
+err_busdown:
ssb_bus_may_powerdown(bus);
B43_WARN_ON(b43_status(dev) != B43_STAT_UNINIT);
return err;
}
static int b43_op_add_interface(struct ieee80211_hw *hw,
- struct ieee80211_if_init_conf *conf)
+ struct ieee80211_vif *vif)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
struct b43_wldev *dev;
- unsigned long flags;
int err = -EOPNOTSUPP;
/* TODO: allow WDS/AP devices to coexist */
- if (conf->type != IEEE80211_IF_TYPE_AP &&
- conf->type != IEEE80211_IF_TYPE_STA &&
- conf->type != IEEE80211_IF_TYPE_WDS &&
- conf->type != IEEE80211_IF_TYPE_IBSS)
+ if (vif->type != NL80211_IFTYPE_AP &&
+ vif->type != NL80211_IFTYPE_MESH_POINT &&
+ vif->type != NL80211_IFTYPE_STATION &&
+ vif->type != NL80211_IFTYPE_WDS &&
+ vif->type != NL80211_IFTYPE_ADHOC)
return -EOPNOTSUPP;
mutex_lock(&wl->mutex);
if (wl->operating)
goto out_mutex_unlock;
- b43dbg(wl, "Adding Interface type %d\n", conf->type);
+ b43dbg(wl, "Adding Interface type %d\n", vif->type);
dev = wl->current_dev;
wl->operating = 1;
- wl->vif = conf->vif;
- wl->if_type = conf->type;
- memcpy(wl->mac_addr, conf->mac_addr, ETH_ALEN);
+ wl->vif = vif;
+ wl->if_type = vif->type;
+ memcpy(wl->mac_addr, vif->addr, ETH_ALEN);
- spin_lock_irqsave(&wl->irq_lock, flags);
b43_adjust_opmode(dev);
b43_set_pretbtt(dev);
b43_set_synth_pu_delay(dev, 0);
b43_upload_card_macaddress(dev);
- spin_unlock_irqrestore(&wl->irq_lock, flags);
err = 0;
out_mutex_unlock:
}
static void b43_op_remove_interface(struct ieee80211_hw *hw,
- struct ieee80211_if_init_conf *conf)
+ struct ieee80211_vif *vif)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
struct b43_wldev *dev = wl->current_dev;
- unsigned long flags;
- b43dbg(wl, "Removing Interface type %d\n", conf->type);
+ b43dbg(wl, "Removing Interface type %d\n", vif->type);
mutex_lock(&wl->mutex);
B43_WARN_ON(!wl->operating);
- B43_WARN_ON(wl->vif != conf->vif);
+ B43_WARN_ON(wl->vif != vif);
wl->vif = NULL;
wl->operating = 0;
- spin_lock_irqsave(&wl->irq_lock, flags);
b43_adjust_opmode(dev);
memset(wl->mac_addr, 0, ETH_ALEN);
b43_upload_card_macaddress(dev);
- spin_unlock_irqrestore(&wl->irq_lock, flags);
mutex_unlock(&wl->mutex);
}
struct b43_wldev *dev = wl->current_dev;
int did_init = 0;
int err = 0;
- bool do_rfkill_exit = 0;
/* Kill all old instance specific information to make sure
* the card won't use it in the short timeframe between start
wl->filter_flags = 0;
wl->radiotap_enabled = 0;
b43_qos_clear(wl);
-
- /* First register RFkill.
- * LEDs that are registered later depend on it. */
- b43_rfkill_init(dev);
+ wl->beacon0_uploaded = 0;
+ wl->beacon1_uploaded = 0;
+ wl->beacon_templates_virgin = 1;
+ wl->radio_enabled = 1;
mutex_lock(&wl->mutex);
if (b43_status(dev) < B43_STAT_INITIALIZED) {
err = b43_wireless_core_init(dev);
- if (err) {
- do_rfkill_exit = 1;
+ if (err)
goto out_mutex_unlock;
- }
did_init = 1;
}
if (err) {
if (did_init)
b43_wireless_core_exit(dev);
- do_rfkill_exit = 1;
goto out_mutex_unlock;
}
}
+ /* XXX: only do if device doesn't support rfkill irq */
+ wiphy_rfkill_start_polling(hw->wiphy);
+
out_mutex_unlock:
mutex_unlock(&wl->mutex);
- if (do_rfkill_exit)
- b43_rfkill_exit(dev);
-
return err;
}
struct b43_wl *wl = hw_to_b43_wl(hw);
struct b43_wldev *dev = wl->current_dev;
- b43_rfkill_exit(dev);
- cancel_work_sync(&(wl->qos_update_work));
cancel_work_sync(&(wl->beacon_update_trigger));
mutex_lock(&wl->mutex);
- if (b43_status(dev) >= B43_STAT_STARTED)
- b43_wireless_core_stop(dev);
+ if (b43_status(dev) >= B43_STAT_STARTED) {
+ dev = b43_wireless_core_stop(dev);
+ if (!dev)
+ goto out_unlock;
+ }
b43_wireless_core_exit(dev);
- mutex_unlock(&wl->mutex);
-}
-
-static int b43_op_set_retry_limit(struct ieee80211_hw *hw,
- u32 short_retry_limit, u32 long_retry_limit)
-{
- struct b43_wl *wl = hw_to_b43_wl(hw);
- struct b43_wldev *dev;
- int err = 0;
+ wl->radio_enabled = 0;
- mutex_lock(&wl->mutex);
- dev = wl->current_dev;
- if (unlikely(!dev || (b43_status(dev) < B43_STAT_INITIALIZED))) {
- err = -ENODEV;
- goto out_unlock;
- }
- b43_set_retry_limits(dev, short_retry_limit, long_retry_limit);
out_unlock:
mutex_unlock(&wl->mutex);
- return err;
+ cancel_work_sync(&(wl->txpower_adjust_work));
}
-static int b43_op_beacon_set_tim(struct ieee80211_hw *hw, int aid, int set)
+static int b43_op_beacon_set_tim(struct ieee80211_hw *hw,
+ struct ieee80211_sta *sta, bool set)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
- struct sk_buff *beacon;
- unsigned long flags;
- struct ieee80211_tx_control txctl;
- /* We could modify the existing beacon and set the aid bit in
- * the TIM field, but that would probably require resizing and
- * moving of data within the beacon template.
- * Simply request a new beacon and let mac80211 do the hard work. */
- beacon = ieee80211_beacon_get(hw, wl->vif, &txctl);
- if (unlikely(!beacon))
- return -ENOMEM;
- spin_lock_irqsave(&wl->irq_lock, flags);
- b43_update_templates(wl, beacon, &txctl);
- spin_unlock_irqrestore(&wl->irq_lock, flags);
+ /* FIXME: add locking */
+ b43_update_templates(wl);
return 0;
}
-static int b43_op_ibss_beacon_update(struct ieee80211_hw *hw,
- struct sk_buff *beacon,
- struct ieee80211_tx_control *ctl)
+static void b43_op_sta_notify(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ enum sta_notify_cmd notify_cmd,
+ struct ieee80211_sta *sta)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
- unsigned long flags;
- spin_lock_irqsave(&wl->irq_lock, flags);
- b43_update_templates(wl, beacon, ctl);
- spin_unlock_irqrestore(&wl->irq_lock, flags);
+ B43_WARN_ON(!vif || wl->vif != vif);
+}
- return 0;
+static void b43_op_sw_scan_start_notifier(struct ieee80211_hw *hw)
+{
+ struct b43_wl *wl = hw_to_b43_wl(hw);
+ struct b43_wldev *dev;
+
+ mutex_lock(&wl->mutex);
+ dev = wl->current_dev;
+ if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED)) {
+ /* Disable CFP update during scan on other channels. */
+ b43_hf_write(dev, b43_hf_read(dev) | B43_HF_SKCFPUP);
+ }
+ mutex_unlock(&wl->mutex);
}
-static void b43_op_sta_notify(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- enum sta_notify_cmd notify_cmd,
- const u8 *addr)
+static void b43_op_sw_scan_complete_notifier(struct ieee80211_hw *hw)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
+ struct b43_wldev *dev;
- B43_WARN_ON(!vif || wl->vif != vif);
+ mutex_lock(&wl->mutex);
+ dev = wl->current_dev;
+ if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED)) {
+ /* Re-enable CFP update. */
+ b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_SKCFPUP);
+ }
+ mutex_unlock(&wl->mutex);
}
static const struct ieee80211_ops b43_hw_ops = {
.add_interface = b43_op_add_interface,
.remove_interface = b43_op_remove_interface,
.config = b43_op_config,
- .config_interface = b43_op_config_interface,
+ .bss_info_changed = b43_op_bss_info_changed,
.configure_filter = b43_op_configure_filter,
.set_key = b43_op_set_key,
+ .update_tkip_key = b43_op_update_tkip_key,
.get_stats = b43_op_get_stats,
.get_tx_stats = b43_op_get_tx_stats,
+ .get_tsf = b43_op_get_tsf,
+ .set_tsf = b43_op_set_tsf,
.start = b43_op_start,
.stop = b43_op_stop,
- .set_retry_limit = b43_op_set_retry_limit,
.set_tim = b43_op_beacon_set_tim,
- .beacon_update = b43_op_ibss_beacon_update,
.sta_notify = b43_op_sta_notify,
+ .sw_scan_start = b43_op_sw_scan_start_notifier,
+ .sw_scan_complete = b43_op_sw_scan_complete_notifier,
+ .rfkill_poll = b43_rfkill_poll,
};
/* Hard-reset the chip. Do not call this directly.
prev_status = b43_status(dev);
/* Bring the device down... */
- if (prev_status >= B43_STAT_STARTED)
- b43_wireless_core_stop(dev);
+ if (prev_status >= B43_STAT_STARTED) {
+ dev = b43_wireless_core_stop(dev);
+ if (!dev) {
+ err = -ENODEV;
+ goto out;
+ }
+ }
if (prev_status >= B43_STAT_INITIALIZED)
b43_wireless_core_exit(dev);
goto out;
}
}
- out:
+out:
+ if (err)
+ wl->current_dev = NULL; /* Failed to init the dev. */
mutex_unlock(&wl->mutex);
if (err)
b43err(wl, "Controller restart FAILED\n");
/* We release firmware that late to not be required to re-request
* is all the time when we reinit the core. */
b43_release_firmware(dev);
+ b43_phy_free(dev);
}
static int b43_wireless_core_attach(struct b43_wldev *dev)
{
struct b43_wl *wl = dev->wl;
struct ssb_bus *bus = dev->dev->bus;
- struct pci_dev *pdev = bus->host_pci;
+ struct pci_dev *pdev = (bus->bustype == SSB_BUSTYPE_PCI) ? bus->host_pci : NULL;
int err;
bool have_2ghz_phy = 0, have_5ghz_phy = 0;
u32 tmp;
B43_WARN_ON(1);
dev->phy.gmode = have_2ghz_phy;
+ dev->phy.radio_on = 1;
tmp = dev->phy.gmode ? B43_TMSLOW_GMODE : 0;
b43_wireless_core_reset(dev, tmp);
case B43_PHYTYPE_A:
have_5ghz_phy = 1;
break;
+ case B43_PHYTYPE_LP: //FIXME not always!
+#if 0 //FIXME enabling 5GHz causes a NULL pointer dereference
+ have_5ghz_phy = 1;
+#endif
case B43_PHYTYPE_G:
case B43_PHYTYPE_N:
have_2ghz_phy = 1;
}
if (1 /* disable A-PHY */) {
/* FIXME: For now we disable the A-PHY on multi-PHY devices. */
- if (dev->phy.type != B43_PHYTYPE_N) {
+ if (dev->phy.type != B43_PHYTYPE_N &&
+ dev->phy.type != B43_PHYTYPE_LP) {
have_2ghz_phy = 1;
have_5ghz_phy = 0;
}
}
+ err = b43_phy_allocate(dev);
+ if (err)
+ goto err_powerdown;
+
dev->phy.gmode = have_2ghz_phy;
tmp = dev->phy.gmode ? B43_TMSLOW_GMODE : 0;
b43_wireless_core_reset(dev, tmp);
err = b43_validate_chipaccess(dev);
if (err)
- goto err_powerdown;
+ goto err_phy_free;
err = b43_setup_bands(dev, have_2ghz_phy, have_5ghz_phy);
if (err)
- goto err_powerdown;
+ goto err_phy_free;
/* Now set some default "current_dev" */
if (!wl->current_dev)
wl->current_dev = dev;
INIT_WORK(&dev->restart_work, b43_chip_reset);
- b43_radio_turn_off(dev, 1);
- b43_switch_analog(dev, 0);
+ dev->phy.ops->switch_analog(dev, 0);
ssb_device_disable(dev->dev, 0);
ssb_bus_may_powerdown(bus);
out:
return err;
+err_phy_free:
+ b43_phy_free(dev);
err_powerdown:
ssb_bus_may_powerdown(bus);
return err;
struct b43_wldev *wldev;
struct b43_wl *wl;
+ /* Do not cancel ieee80211-workqueue based work here.
+ * See comment in b43_remove(). */
+
wldev = ssb_get_drvdata(dev);
wl = wldev->wl;
- cancel_work_sync(&wldev->restart_work);
b43_debugfs_remove_device(wldev);
b43_wireless_core_detach(wldev);
list_del(&wldev->list);
if (!list_empty(&wl->devlist)) {
/* We are not the first core on this chip. */
- pdev = dev->bus->host_pci;
+ pdev = (dev->bus->bustype == SSB_BUSTYPE_PCI) ? dev->bus->host_pci : NULL;
/* Only special chips support more than one wireless
* core, although some of the other chips have more than
* one wireless core as well. Check for this and
wldev->wl = wl;
b43_set_status(wldev, B43_STAT_UNINIT);
wldev->bad_frames_preempt = modparam_bad_frames_preempt;
- tasklet_init(&wldev->isr_tasklet,
- (void (*)(unsigned long))b43_interrupt_tasklet,
- (unsigned long)wldev);
INIT_LIST_HEAD(&wldev->list);
err = b43_wireless_core_attach(wldev);
if (bus->bustype == SSB_BUSTYPE_PCI) {
pdev = bus->host_pci;
if (IS_PDEV(pdev, BROADCOM, 0x4318, ASUSTEK, 0x100F) ||
+ IS_PDEV(pdev, BROADCOM, 0x4320, DELL, 0x0003) ||
+ IS_PDEV(pdev, BROADCOM, 0x4320, HP, 0x12f8) ||
IS_PDEV(pdev, BROADCOM, 0x4320, LINKSYS, 0x0015) ||
- IS_PDEV(pdev, BROADCOM, 0x4320, LINKSYS, 0x0013))
+ IS_PDEV(pdev, BROADCOM, 0x4320, LINKSYS, 0x0014) ||
+ IS_PDEV(pdev, BROADCOM, 0x4320, LINKSYS, 0x0013) ||
+ IS_PDEV(pdev, BROADCOM, 0x4320, MOTOROLA, 0x7010))
bus->sprom.boardflags_lo &= ~B43_BFL_BTCOEXIST;
}
}
b43err(NULL, "Could not allocate ieee80211 device\n");
goto out;
}
+ wl = hw_to_b43_wl(hw);
/* fill hw info */
- hw->flags = IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE |
- IEEE80211_HW_RX_INCLUDES_FCS;
- hw->max_signal = 100;
- hw->max_rssi = -110;
- hw->max_noise = -110;
- hw->queues = b43_modparam_qos ? 4 : 1;
+ hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
+ IEEE80211_HW_SIGNAL_DBM |
+ IEEE80211_HW_NOISE_DBM;
+
+ hw->wiphy->interface_modes =
+ BIT(NL80211_IFTYPE_AP) |
+ BIT(NL80211_IFTYPE_MESH_POINT) |
+ BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_WDS) |
+ BIT(NL80211_IFTYPE_ADHOC);
+
+ hw->queues = modparam_qos ? 4 : 1;
+ wl->mac80211_initially_registered_queues = hw->queues;
+ hw->max_rates = 2;
SET_IEEE80211_DEV(hw, dev->dev);
if (is_valid_ether_addr(sprom->et1mac))
SET_IEEE80211_PERM_ADDR(hw, sprom->et1mac);
else
SET_IEEE80211_PERM_ADDR(hw, sprom->il0mac);
- /* Get and initialize struct b43_wl */
- wl = hw_to_b43_wl(hw);
- memset(wl, 0, sizeof(*wl));
+ /* Initialize struct b43_wl */
wl->hw = hw;
- spin_lock_init(&wl->irq_lock);
- rwlock_init(&wl->tx_lock);
- spin_lock_init(&wl->leds_lock);
- spin_lock_init(&wl->shm_lock);
mutex_init(&wl->mutex);
+ spin_lock_init(&wl->hardirq_lock);
INIT_LIST_HEAD(&wl->devlist);
- INIT_WORK(&wl->qos_update_work, b43_qos_update_work);
INIT_WORK(&wl->beacon_update_trigger, b43_beacon_update_trigger_work);
+ INIT_WORK(&wl->txpower_adjust_work, b43_phy_txpower_adjust_work);
+ INIT_WORK(&wl->tx_work, b43_tx_work);
+ skb_queue_head_init(&wl->tx_queue);
ssb_set_devtypedata(dev, wl);
- b43info(wl, "Broadcom %04X WLAN found\n", dev->bus->chip_id);
+ b43info(wl, "Broadcom %04X WLAN found (core revision %u)\n",
+ dev->bus->chip_id, dev->id.revision);
err = 0;
- out:
+out:
return err;
}
err = ieee80211_register_hw(wl->hw);
if (err)
goto err_one_core_detach;
+ b43_leds_register(wl->current_dev);
+ b43_rng_init(wl);
}
out:
struct b43_wl *wl = ssb_get_devtypedata(dev);
struct b43_wldev *wldev = ssb_get_drvdata(dev);
+ /* We must cancel any work here before unregistering from ieee80211,
+ * as the ieee80211 unreg will destroy the workqueue. */
+ cancel_work_sync(&wldev->restart_work);
+
B43_WARN_ON(!wl);
- if (wl->current_dev == wldev)
+ if (wl->current_dev == wldev) {
+ /* Restore the queues count before unregistering, because firmware detect
+ * might have modified it. Restoring is important, so the networking
+ * stack can properly free resources. */
+ wl->hw->queues = wl->mac80211_initially_registered_queues;
+ b43_leds_stop(wldev);
ieee80211_unregister_hw(wl->hw);
+ }
b43_one_core_detach(dev);
if (list_empty(&wl->devlist)) {
+ b43_rng_exit(wl);
+ b43_leds_unregister(wl);
/* Last core on the chip unregistered.
* We can destroy common struct b43_wl.
*/
if (b43_status(dev) < B43_STAT_INITIALIZED)
return;
b43info(dev->wl, "Controller RESET (%s) ...\n", reason);
- queue_work(dev->wl->hw->workqueue, &dev->restart_work);
-}
-
-#ifdef CONFIG_PM
-
-static int b43_suspend(struct ssb_device *dev, pm_message_t state)
-{
- struct b43_wldev *wldev = ssb_get_drvdata(dev);
- struct b43_wl *wl = wldev->wl;
-
- b43dbg(wl, "Suspending...\n");
-
- mutex_lock(&wl->mutex);
- wldev->suspend_in_progress = true;
- wldev->suspend_init_status = b43_status(wldev);
- if (wldev->suspend_init_status >= B43_STAT_STARTED)
- b43_wireless_core_stop(wldev);
- if (wldev->suspend_init_status >= B43_STAT_INITIALIZED)
- b43_wireless_core_exit(wldev);
- mutex_unlock(&wl->mutex);
-
- b43dbg(wl, "Device suspended.\n");
-
- return 0;
-}
-
-static int b43_resume(struct ssb_device *dev)
-{
- struct b43_wldev *wldev = ssb_get_drvdata(dev);
- struct b43_wl *wl = wldev->wl;
- int err = 0;
-
- b43dbg(wl, "Resuming...\n");
-
- mutex_lock(&wl->mutex);
- if (wldev->suspend_init_status >= B43_STAT_INITIALIZED) {
- err = b43_wireless_core_init(wldev);
- if (err) {
- b43err(wl, "Resume failed at core init\n");
- goto out;
- }
- }
- if (wldev->suspend_init_status >= B43_STAT_STARTED) {
- err = b43_wireless_core_start(wldev);
- if (err) {
- b43_leds_exit(wldev);
- b43_rng_exit(wldev->wl);
- b43_wireless_core_exit(wldev);
- b43err(wl, "Resume failed at core start\n");
- goto out;
- }
- }
- b43dbg(wl, "Device resumed.\n");
- out:
- wldev->suspend_in_progress = false;
- mutex_unlock(&wl->mutex);
- return err;
+ ieee80211_queue_work(dev->wl->hw, &dev->restart_work);
}
-#else /* CONFIG_PM */
-# define b43_suspend NULL
-# define b43_resume NULL
-#endif /* CONFIG_PM */
-
static struct ssb_driver b43_ssb_driver = {
.name = KBUILD_MODNAME,
.id_table = b43_ssb_tbl,
.probe = b43_probe,
.remove = b43_remove,
- .suspend = b43_suspend,
- .resume = b43_resume,
};
static void b43_print_driverinfo(void)
{
const char *feat_pci = "", *feat_pcmcia = "", *feat_nphy = "",
- *feat_leds = "", *feat_rfkill = "";
+ *feat_leds = "", *feat_sdio = "";
#ifdef CONFIG_B43_PCI_AUTOSELECT
feat_pci = "P";
#ifdef CONFIG_B43_LEDS
feat_leds = "L";
#endif
-#ifdef CONFIG_B43_RFKILL
- feat_rfkill = "R";
+#ifdef CONFIG_B43_SDIO
+ feat_sdio = "S";
#endif
printk(KERN_INFO "Broadcom 43xx driver loaded "
"[ Features: %s%s%s%s%s, Firmware-ID: "
B43_SUPPORTED_FIRMWARE_ID " ]\n",
feat_pci, feat_pcmcia, feat_nphy,
- feat_leds, feat_rfkill);
+ feat_leds, feat_sdio);
}
static int __init b43_init(void)
err = b43_pcmcia_init();
if (err)
goto err_dfs_exit;
- err = ssb_driver_register(&b43_ssb_driver);
+ err = b43_sdio_init();
if (err)
goto err_pcmcia_exit;
+ err = ssb_driver_register(&b43_ssb_driver);
+ if (err)
+ goto err_sdio_exit;
b43_print_driverinfo();
return err;
+err_sdio_exit:
+ b43_sdio_exit();
err_pcmcia_exit:
b43_pcmcia_exit();
err_dfs_exit:
static void __exit b43_exit(void)
{
ssb_driver_unregister(&b43_ssb_driver);
+ b43_sdio_exit();
b43_pcmcia_exit();
b43_debugfs_exit();
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff