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Diffstat (limited to 'drivers/net/wireless/broadcom/b43legacy/main.c')
-rw-r--r--drivers/net/wireless/broadcom/b43legacy/main.c99
1 files changed, 34 insertions, 65 deletions
diff --git a/drivers/net/wireless/broadcom/b43legacy/main.c b/drivers/net/wireless/broadcom/b43legacy/main.c
index f1e3dad57629..aada342e0b80 100644
--- a/drivers/net/wireless/broadcom/b43legacy/main.c
+++ b/drivers/net/wireless/broadcom/b43legacy/main.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
*
* Broadcom B43legacy wireless driver
@@ -12,21 +13,6 @@
* Some parts of the code in this file are derived from the ipw2200
* driver Copyright(c) 2003 - 2004 Intel Corporation.
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
*/
#include <linux/delay.h>
@@ -41,7 +27,7 @@
#include <linux/dma-mapping.h>
#include <linux/slab.h>
#include <net/dst.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include "b43legacy.h"
#include "main.h"
@@ -264,7 +250,6 @@ static void b43legacy_ram_write(struct b43legacy_wldev *dev, u16 offset,
val = swab32(val);
b43legacy_write32(dev, B43legacy_MMIO_RAM_CONTROL, offset);
- mmiowb();
b43legacy_write32(dev, B43legacy_MMIO_RAM_DATA, val);
}
@@ -341,14 +326,11 @@ void b43legacy_shm_write32(struct b43legacy_wldev *dev,
if (offset & 0x0003) {
/* Unaligned access */
b43legacy_shm_control_word(dev, routing, offset >> 2);
- mmiowb();
b43legacy_write16(dev,
B43legacy_MMIO_SHM_DATA_UNALIGNED,
(value >> 16) & 0xffff);
- mmiowb();
b43legacy_shm_control_word(dev, routing,
(offset >> 2) + 1);
- mmiowb();
b43legacy_write16(dev, B43legacy_MMIO_SHM_DATA,
value & 0xffff);
return;
@@ -356,7 +338,6 @@ void b43legacy_shm_write32(struct b43legacy_wldev *dev,
offset >>= 2;
}
b43legacy_shm_control_word(dev, routing, offset);
- mmiowb();
b43legacy_write32(dev, B43legacy_MMIO_SHM_DATA, value);
}
@@ -368,7 +349,6 @@ void b43legacy_shm_write16(struct b43legacy_wldev *dev, u16 routing, u16 offset,
if (offset & 0x0003) {
/* Unaligned access */
b43legacy_shm_control_word(dev, routing, offset >> 2);
- mmiowb();
b43legacy_write16(dev,
B43legacy_MMIO_SHM_DATA_UNALIGNED,
value);
@@ -377,7 +357,6 @@ void b43legacy_shm_write16(struct b43legacy_wldev *dev, u16 routing, u16 offset,
offset >>= 2;
}
b43legacy_shm_control_word(dev, routing, offset);
- mmiowb();
b43legacy_write16(dev, B43legacy_MMIO_SHM_DATA, value);
}
@@ -412,7 +391,7 @@ void b43legacy_tsf_read(struct b43legacy_wldev *dev, u64 *tsf)
* 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 any of the high registers changed (overflowed).
*/
if (dev->dev->id.revision >= 3) {
u32 low;
@@ -471,7 +450,6 @@ static void b43legacy_time_lock(struct b43legacy_wldev *dev)
status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
status |= B43legacy_MACCTL_TBTTHOLD;
b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status);
- mmiowb();
}
static void b43legacy_time_unlock(struct b43legacy_wldev *dev)
@@ -494,10 +472,8 @@ static void b43legacy_tsf_write_locked(struct b43legacy_wldev *dev, u64 tsf)
u32 hi = (tsf & 0xFFFFFFFF00000000ULL) >> 32;
b43legacy_write32(dev, B43legacy_MMIO_REV3PLUS_TSF_LOW, 0);
- mmiowb();
b43legacy_write32(dev, B43legacy_MMIO_REV3PLUS_TSF_HIGH,
hi);
- mmiowb();
b43legacy_write32(dev, B43legacy_MMIO_REV3PLUS_TSF_LOW,
lo);
} else {
@@ -507,13 +483,9 @@ static void b43legacy_tsf_write_locked(struct b43legacy_wldev *dev, u64 tsf)
u16 v3 = (tsf & 0xFFFF000000000000ULL) >> 48;
b43legacy_write16(dev, B43legacy_MMIO_TSF_0, 0);
- mmiowb();
b43legacy_write16(dev, B43legacy_MMIO_TSF_3, v3);
- mmiowb();
b43legacy_write16(dev, B43legacy_MMIO_TSF_2, v2);
- mmiowb();
b43legacy_write16(dev, B43legacy_MMIO_TSF_1, v1);
- mmiowb();
b43legacy_write16(dev, B43legacy_MMIO_TSF_0, v0);
}
}
@@ -619,7 +591,7 @@ static void b43legacy_synchronize_irq(struct b43legacy_wldev *dev)
}
/* DummyTransmission function, as documented on
- * http://bcm-specs.sipsolutions.net/DummyTransmission
+ * https://bcm-specs.sipsolutions.net/DummyTransmission
*/
void b43legacy_dummy_transmission(struct b43legacy_wldev *dev)
{
@@ -1250,7 +1222,6 @@ static void b43legacy_beacon_update_trigger_work(struct work_struct *work)
/* The handler might have updated the IRQ mask. */
b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK,
dev->irq_mask);
- mmiowb();
spin_unlock_irq(&wl->irq_lock);
}
mutex_unlock(&wl->mutex);
@@ -1270,7 +1241,7 @@ static void b43legacy_update_templates(struct b43legacy_wl *wl)
* 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);
+ beacon = ieee80211_beacon_get(wl->hw, wl->vif, 0);
if (unlikely(!beacon))
return;
@@ -1304,8 +1275,9 @@ static void handle_irq_ucode_debug(struct b43legacy_wldev *dev)
}
/* Interrupt handler bottom-half */
-static void b43legacy_interrupt_tasklet(struct b43legacy_wldev *dev)
+static void b43legacy_interrupt_tasklet(struct tasklet_struct *t)
{
+ struct b43legacy_wldev *dev = from_tasklet(dev, t, isr_tasklet);
u32 reason;
u32 dma_reason[ARRAY_SIZE(dev->dma_reason)];
u32 merged_dma_reason = 0;
@@ -1346,7 +1318,6 @@ static void b43legacy_interrupt_tasklet(struct b43legacy_wldev *dev)
dma_reason[2], dma_reason[3],
dma_reason[4], dma_reason[5]);
b43legacy_controller_restart(dev, "DMA error");
- mmiowb();
spin_unlock_irqrestore(&dev->wl->irq_lock, flags);
return;
}
@@ -1369,8 +1340,9 @@ static void b43legacy_interrupt_tasklet(struct b43legacy_wldev *dev)
handle_irq_beacon(dev);
if (reason & B43legacy_IRQ_PMQ)
handle_irq_pmq(dev);
- if (reason & B43legacy_IRQ_TXFIFO_FLUSH_OK)
+ if (reason & B43legacy_IRQ_TXFIFO_FLUSH_OK) {
;/*TODO*/
+ }
if (reason & B43legacy_IRQ_NOISESAMPLE_OK)
handle_irq_noise(dev);
@@ -1396,7 +1368,6 @@ static void b43legacy_interrupt_tasklet(struct b43legacy_wldev *dev)
handle_irq_transmit_status(dev);
b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, dev->irq_mask);
- mmiowb();
spin_unlock_irqrestore(&dev->wl->irq_lock, flags);
}
@@ -1488,7 +1459,6 @@ static irqreturn_t b43legacy_interrupt_handler(int irq, void *dev_id)
dev->irq_reason = reason;
tasklet_schedule(&dev->isr_tasklet);
out:
- mmiowb();
spin_unlock(&dev->wl->irq_lock);
return ret;
@@ -1508,8 +1478,8 @@ static void b43legacy_release_firmware(struct b43legacy_wldev *dev)
static void b43legacy_print_fw_helptext(struct b43legacy_wl *wl)
{
- b43legacyerr(wl, "You must go to http://wireless.kernel.org/en/users/"
- "Drivers/b43#devicefirmware "
+ b43legacyerr(wl, "You must go to https://wireless.wiki.kernel.org/en/"
+ "users/Drivers/b43#devicefirmware "
"and download the correct firmware (version 3).\n");
}
@@ -1568,7 +1538,7 @@ static int do_request_fw(struct b43legacy_wldev *dev,
size = be32_to_cpu(hdr->size);
if (size != (*fw)->size - sizeof(struct b43legacy_fw_header))
goto err_format;
- /* fallthrough */
+ fallthrough;
case B43legacy_FW_TYPE_IV:
if (hdr->ver != 1)
goto err_format;
@@ -1901,7 +1871,7 @@ out:
}
/* Initialize the GPIOs
- * http://bcm-specs.sipsolutions.net/GPIO
+ * https://bcm-specs.sipsolutions.net/GPIO
*/
static int b43legacy_gpio_init(struct b43legacy_wldev *dev)
{
@@ -1991,7 +1961,7 @@ void b43legacy_mac_enable(struct b43legacy_wldev *dev)
}
}
-/* http://bcm-specs.sipsolutions.net/SuspendMAC */
+/* https://bcm-specs.sipsolutions.net/SuspendMAC */
void b43legacy_mac_suspend(struct b43legacy_wldev *dev)
{
int i;
@@ -2107,7 +2077,7 @@ static void b43legacy_rate_memory_init(struct b43legacy_wldev *dev)
b43legacy_rate_memory_write(dev, B43legacy_OFDM_RATE_36MB, 1);
b43legacy_rate_memory_write(dev, B43legacy_OFDM_RATE_48MB, 1);
b43legacy_rate_memory_write(dev, B43legacy_OFDM_RATE_54MB, 1);
- /* fallthrough */
+ fallthrough;
case B43legacy_PHYTYPE_B:
b43legacy_rate_memory_write(dev, B43legacy_CCK_RATE_1MB, 0);
b43legacy_rate_memory_write(dev, B43legacy_CCK_RATE_2MB, 0);
@@ -2172,7 +2142,7 @@ static void b43legacy_chip_exit(struct b43legacy_wldev *dev)
}
/* Initialize the chip
- * http://bcm-specs.sipsolutions.net/ChipInit
+ * https://bcm-specs.sipsolutions.net/ChipInit
*/
static int b43legacy_chip_init(struct b43legacy_wldev *dev)
{
@@ -2535,7 +2505,8 @@ static void b43legacy_op_tx(struct ieee80211_hw *hw,
}
static int b43legacy_op_conf_tx(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif, u16 queue,
+ struct ieee80211_vif *vif,
+ unsigned int link_id, u16 queue,
const struct ieee80211_tx_queue_params *params)
{
return 0;
@@ -2611,7 +2582,7 @@ static void b43legacy_put_phy_into_reset(struct b43legacy_wldev *dev)
static int b43legacy_switch_phymode(struct b43legacy_wl *wl,
unsigned int new_mode)
{
- struct b43legacy_wldev *uninitialized_var(up_dev);
+ struct b43legacy_wldev *up_dev;
struct b43legacy_wldev *down_dev;
int err;
bool gmode = false;
@@ -2691,7 +2662,7 @@ static void b43legacy_set_retry_limits(struct b43legacy_wldev *dev,
b43legacy_shm_write16(dev, B43legacy_SHM_WIRELESS, 0x0007, long_retry);
}
-static int b43legacy_op_dev_config(struct ieee80211_hw *hw,
+static int b43legacy_op_dev_config(struct ieee80211_hw *hw, int radio_idx,
u32 changed)
{
struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
@@ -2781,7 +2752,6 @@ static int b43legacy_op_dev_config(struct ieee80211_hw *hw,
spin_lock_irqsave(&wl->irq_lock, flags);
b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, dev->irq_mask);
- mmiowb();
spin_unlock_irqrestore(&wl->irq_lock, flags);
out_unlock_mutex:
mutex_unlock(&wl->mutex);
@@ -2793,7 +2763,7 @@ static void b43legacy_update_basic_rates(struct b43legacy_wldev *dev, u32 brates
{
struct ieee80211_supported_band *sband =
dev->wl->hw->wiphy->bands[NL80211_BAND_2GHZ];
- struct ieee80211_rate *rate;
+ const struct ieee80211_rate *rate;
int i;
u16 basic, direct, offset, basic_offset, rateptr;
@@ -2837,7 +2807,7 @@ static void b43legacy_update_basic_rates(struct b43legacy_wldev *dev, u32 brates
static void b43legacy_op_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *conf,
- u32 changed)
+ u64 changed)
{
struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
struct b43legacy_wldev *dev;
@@ -2900,7 +2870,6 @@ static void b43legacy_op_bss_info_changed(struct ieee80211_hw *hw,
spin_lock_irqsave(&wl->irq_lock, flags);
b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, dev->irq_mask);
/* XXX: why? */
- mmiowb();
spin_unlock_irqrestore(&wl->irq_lock, flags);
out_unlock_mutex:
mutex_unlock(&wl->mutex);
@@ -2975,7 +2944,7 @@ static void b43legacy_wireless_core_stop(struct b43legacy_wldev *dev)
dev_kfree_skb(skb_dequeue(&wl->tx_queue[queue_num]));
}
-b43legacy_mac_suspend(dev);
+ b43legacy_mac_suspend(dev);
free_irq(dev->dev->irq, dev);
b43legacydbg(wl, "Wireless interface stopped\n");
}
@@ -3300,8 +3269,8 @@ static int b43legacy_wireless_core_init(struct b43legacy_wldev *dev)
if ((phy->type == B43legacy_PHYTYPE_B) ||
(phy->type == B43legacy_PHYTYPE_G)) {
- phy->_lo_pairs = kzalloc(sizeof(struct b43legacy_lopair)
- * B43legacy_LO_COUNT,
+ phy->_lo_pairs = kcalloc(B43legacy_LO_COUNT,
+ sizeof(struct b43legacy_lopair),
GFP_KERNEL);
if (!phy->_lo_pairs)
return -ENOMEM;
@@ -3413,11 +3382,10 @@ static int b43legacy_op_add_interface(struct ieee80211_hw *hw,
unsigned long flags;
int err = -EOPNOTSUPP;
- /* TODO: allow WDS/AP devices to coexist */
+ /* TODO: allow AP devices to coexist */
if (vif->type != NL80211_IFTYPE_AP &&
vif->type != NL80211_IFTYPE_STATION &&
- vif->type != NL80211_IFTYPE_WDS &&
vif->type != NL80211_IFTYPE_ADHOC)
return -EOPNOTSUPP;
@@ -3517,7 +3485,7 @@ out_mutex_unlock:
return err;
}
-static void b43legacy_op_stop(struct ieee80211_hw *hw)
+static void b43legacy_op_stop(struct ieee80211_hw *hw, bool suspend)
{
struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
struct b43legacy_wldev *dev = wl->current_dev;
@@ -3563,7 +3531,12 @@ static int b43legacy_op_get_survey(struct ieee80211_hw *hw, int idx,
}
static const struct ieee80211_ops b43legacy_hw_ops = {
+ .add_chanctx = ieee80211_emulate_add_chanctx,
+ .remove_chanctx = ieee80211_emulate_remove_chanctx,
+ .change_chanctx = ieee80211_emulate_change_chanctx,
+ .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx,
.tx = b43legacy_op_tx,
+ .wake_tx_queue = ieee80211_handle_wake_tx_queue,
.conf_tx = b43legacy_op_conf_tx,
.add_interface = b43legacy_op_add_interface,
.remove_interface = b43legacy_op_remove_interface,
@@ -3774,9 +3747,7 @@ static int b43legacy_one_core_attach(struct ssb_device *dev,
wldev->wl = wl;
b43legacy_set_status(wldev, B43legacy_STAT_UNINIT);
wldev->bad_frames_preempt = modparam_bad_frames_preempt;
- tasklet_init(&wldev->isr_tasklet,
- (void (*)(unsigned long))b43legacy_interrupt_tasklet,
- (unsigned long)wldev);
+ tasklet_setup(&wldev->isr_tasklet, b43legacy_interrupt_tasklet);
if (modparam_pio)
wldev->__using_pio = true;
INIT_LIST_HEAD(&wldev->list);
@@ -3834,13 +3805,11 @@ static int b43legacy_wireless_init(struct ssb_device *dev)
/* fill hw info */
ieee80211_hw_set(hw, RX_INCLUDES_FCS);
ieee80211_hw_set(hw, SIGNAL_DBM);
+ ieee80211_hw_set(hw, MFP_CAPABLE); /* Allow WPA3 in software */
hw->wiphy->interface_modes =
BIT(NL80211_IFTYPE_AP) |
BIT(NL80211_IFTYPE_STATION) |
-#ifdef CONFIG_WIRELESS_WDS
- BIT(NL80211_IFTYPE_WDS) |
-#endif
BIT(NL80211_IFTYPE_ADHOC);
hw->queues = 1; /* FIXME: hardware has more queues */
hw->max_rates = 2;
generated by cgit (git 2.34.1) at 2025-12-25 09:00:38 +0000