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Merge ath-next from ath.git 

Major changes:

ath10k:

* qca6174 power consumption improvements, enable ASPM etc (Michal)

wil6210:

* support Wi-Fi Simple Configuration in STA mode
This commit is contained in:
Kalle Valo 2015-05-25 15:12:21 +03:00
parent 01b6961410 48f4ca34f3
commit 1d36f46b4e
22 changed files with 1047 additions and 294 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/wireless/ath/ath10k/core.c
View File

@ -387,7 +387,9 @@ static int ath10k_download_and_run_otp(struct ath10k *ar)
ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot otp execute result %d\n", result);
if (!skip_otp && result != 0) {
if (!(skip_otp || test_bit(ATH10K_FW_FEATURE_IGNORE_OTP_RESULT,
ar->fw_features))
&& result != 0) {
ath10k_err(ar, "otp calibration failed: %d", result);
return -EINVAL;
}

8
drivers/net/wireless/ath/ath10k/core.h
View File

@ -460,6 +460,14 @@ enum ath10k_fw_features {
*/
ATH10K_FW_FEATURE_WOWLAN_SUPPORT = 6,
/* Don't trust error code from otp.bin */
ATH10K_FW_FEATURE_IGNORE_OTP_RESULT,
/* Some firmware revisions pad 4th hw address to 4 byte boundary making
* it 8 bytes long in Native Wifi Rx decap.
*/
ATH10K_FW_FEATURE_NO_NWIFI_DECAP_4ADDR_PADDING,
/* keep last */
ATH10K_FW_FEATURE_COUNT,
};

1
drivers/net/wireless/ath/ath10k/debug.h
View File

@ -36,6 +36,7 @@ enum ath10k_debug_mask {
ATH10K_DBG_REGULATORY = 0x00000800,
ATH10K_DBG_TESTMODE = 0x00001000,
ATH10K_DBG_WMI_PRINT = 0x00002000,
ATH10K_DBG_PCI_PS = 0x00004000,
ATH10K_DBG_ANY = 0xffffffff,
};

14
drivers/net/wireless/ath/ath10k/htt_rx.c
View File

@ -965,10 +965,16 @@ static void ath10k_process_rx(struct ath10k *ar,
ieee80211_rx(ar->hw, skb);
}
static int ath10k_htt_rx_nwifi_hdrlen(struct ieee80211_hdr *hdr)
static int ath10k_htt_rx_nwifi_hdrlen(struct ath10k *ar,
struct ieee80211_hdr *hdr)
{
/* nwifi header is padded to 4 bytes. this fixes 4addr rx */
return round_up(ieee80211_hdrlen(hdr->frame_control), 4);
int len = ieee80211_hdrlen(hdr->frame_control);
if (!test_bit(ATH10K_FW_FEATURE_NO_NWIFI_DECAP_4ADDR_PADDING,
ar->fw_features))
len = round_up(len, 4);
return len;
}
static void ath10k_htt_rx_h_undecap_raw(struct ath10k *ar,
@ -1067,7 +1073,7 @@ static void ath10k_htt_rx_h_undecap_nwifi(struct ath10k *ar,
/* pull decapped header and copy SA & DA */
hdr = (struct ieee80211_hdr *)msdu->data;
hdr_len = ath10k_htt_rx_nwifi_hdrlen(hdr);
hdr_len = ath10k_htt_rx_nwifi_hdrlen(ar, hdr);
ether_addr_copy(da, ieee80211_get_DA(hdr));
ether_addr_copy(sa, ieee80211_get_SA(hdr));
skb_pull(msdu, hdr_len);

9
drivers/net/wireless/ath/ath10k/mac.c
View File

@ -1708,7 +1708,14 @@ static int ath10k_mac_vif_setup_ps(struct ath10k_vif *arvif)
enable_ps = false;
}
if (enable_ps) {
if (!arvif->is_started) {
/* mac80211 can update vif powersave state while disconnected.
* Firmware doesn't behave nicely and consumes more power than
* necessary if PS is disabled on a non-started vdev. Hence
* force-enable PS for non-running vdevs.
*/
psmode = WMI_STA_PS_MODE_ENABLED;
} else if (enable_ps) {
psmode = WMI_STA_PS_MODE_ENABLED;
param = WMI_STA_PS_PARAM_INACTIVITY_TIME;

317
drivers/net/wireless/ath/ath10k/pci.c
View File

@ -330,6 +330,205 @@ static const struct service_to_pipe target_service_to_ce_map_wlan[] = {
},
};
static bool ath10k_pci_is_awake(struct ath10k *ar)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
u32 val = ioread32(ar_pci->mem + PCIE_LOCAL_BASE_ADDRESS +
RTC_STATE_ADDRESS);
return RTC_STATE_V_GET(val) == RTC_STATE_V_ON;
}
static void __ath10k_pci_wake(struct ath10k *ar)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
lockdep_assert_held(&ar_pci->ps_lock);
ath10k_dbg(ar, ATH10K_DBG_PCI_PS, "pci ps wake reg refcount %lu awake %d\n",
ar_pci->ps_wake_refcount, ar_pci->ps_awake);
iowrite32(PCIE_SOC_WAKE_V_MASK,
ar_pci->mem + PCIE_LOCAL_BASE_ADDRESS +
PCIE_SOC_WAKE_ADDRESS);
}
static void __ath10k_pci_sleep(struct ath10k *ar)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
lockdep_assert_held(&ar_pci->ps_lock);
ath10k_dbg(ar, ATH10K_DBG_PCI_PS, "pci ps sleep reg refcount %lu awake %d\n",
ar_pci->ps_wake_refcount, ar_pci->ps_awake);
iowrite32(PCIE_SOC_WAKE_RESET,
ar_pci->mem + PCIE_LOCAL_BASE_ADDRESS +
PCIE_SOC_WAKE_ADDRESS);
ar_pci->ps_awake = false;
}
static int ath10k_pci_wake_wait(struct ath10k *ar)
{
int tot_delay = 0;
int curr_delay = 5;
while (tot_delay < PCIE_WAKE_TIMEOUT) {
if (ath10k_pci_is_awake(ar))
return 0;
udelay(curr_delay);
tot_delay += curr_delay;
if (curr_delay < 50)
curr_delay += 5;
}
return -ETIMEDOUT;
}
static int ath10k_pci_wake(struct ath10k *ar)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
unsigned long flags;
int ret = 0;
spin_lock_irqsave(&ar_pci->ps_lock, flags);
ath10k_dbg(ar, ATH10K_DBG_PCI_PS, "pci ps wake refcount %lu awake %d\n",
ar_pci->ps_wake_refcount, ar_pci->ps_awake);
/* This function can be called very frequently. To avoid excessive
* CPU stalls for MMIO reads use a cache var to hold the device state.
*/
if (!ar_pci->ps_awake) {
__ath10k_pci_wake(ar);
ret = ath10k_pci_wake_wait(ar);
if (ret == 0)
ar_pci->ps_awake = true;
}
if (ret == 0) {
ar_pci->ps_wake_refcount++;
WARN_ON(ar_pci->ps_wake_refcount == 0);
}
spin_unlock_irqrestore(&ar_pci->ps_lock, flags);
return ret;
}
static void ath10k_pci_sleep(struct ath10k *ar)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
unsigned long flags;
spin_lock_irqsave(&ar_pci->ps_lock, flags);
ath10k_dbg(ar, ATH10K_DBG_PCI_PS, "pci ps sleep refcount %lu awake %d\n",
ar_pci->ps_wake_refcount, ar_pci->ps_awake);
if (WARN_ON(ar_pci->ps_wake_refcount == 0))
goto skip;
ar_pci->ps_wake_refcount--;
mod_timer(&ar_pci->ps_timer, jiffies +
msecs_to_jiffies(ATH10K_PCI_SLEEP_GRACE_PERIOD_MSEC));
skip:
spin_unlock_irqrestore(&ar_pci->ps_lock, flags);
}
static void ath10k_pci_ps_timer(unsigned long ptr)
{
struct ath10k *ar = (void *)ptr;
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
unsigned long flags;
spin_lock_irqsave(&ar_pci->ps_lock, flags);
ath10k_dbg(ar, ATH10K_DBG_PCI_PS, "pci ps timer refcount %lu awake %d\n",
ar_pci->ps_wake_refcount, ar_pci->ps_awake);
if (ar_pci->ps_wake_refcount > 0)
goto skip;
__ath10k_pci_sleep(ar);
skip:
spin_unlock_irqrestore(&ar_pci->ps_lock, flags);
}
static void ath10k_pci_sleep_sync(struct ath10k *ar)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
unsigned long flags;
del_timer_sync(&ar_pci->ps_timer);
spin_lock_irqsave(&ar_pci->ps_lock, flags);
WARN_ON(ar_pci->ps_wake_refcount > 0);
__ath10k_pci_sleep(ar);
spin_unlock_irqrestore(&ar_pci->ps_lock, flags);
}
void ath10k_pci_write32(struct ath10k *ar, u32 offset, u32 value)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
int ret;
ret = ath10k_pci_wake(ar);
if (ret) {
ath10k_warn(ar, "failed to wake target for write32 of 0x%08x at 0x%08x: %d\n",
value, offset, ret);
return;
}
iowrite32(value, ar_pci->mem + offset);
ath10k_pci_sleep(ar);
}
u32 ath10k_pci_read32(struct ath10k *ar, u32 offset)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
u32 val;
int ret;
ret = ath10k_pci_wake(ar);
if (ret) {
ath10k_warn(ar, "failed to wake target for read32 at 0x%08x: %d\n",
offset, ret);
return 0xffffffff;
}
val = ioread32(ar_pci->mem + offset);
ath10k_pci_sleep(ar);
return val;
}
u32 ath10k_pci_soc_read32(struct ath10k *ar, u32 addr)
{
return ath10k_pci_read32(ar, RTC_SOC_BASE_ADDRESS + addr);
}
void ath10k_pci_soc_write32(struct ath10k *ar, u32 addr, u32 val)
{
ath10k_pci_write32(ar, RTC_SOC_BASE_ADDRESS + addr, val);
}
u32 ath10k_pci_reg_read32(struct ath10k *ar, u32 addr)
{
return ath10k_pci_read32(ar, PCIE_LOCAL_BASE_ADDRESS + addr);
}
void ath10k_pci_reg_write32(struct ath10k *ar, u32 addr, u32 val)
{
ath10k_pci_write32(ar, PCIE_LOCAL_BASE_ADDRESS + addr, val);
}
static bool ath10k_pci_irq_pending(struct ath10k *ar)
{
u32 cause;
@ -793,60 +992,6 @@ static int ath10k_pci_diag_write32(struct ath10k *ar, u32 address, u32 value)
return ath10k_pci_diag_write_mem(ar, address, &val, sizeof(val));
}
static bool ath10k_pci_is_awake(struct ath10k *ar)
{
u32 val = ath10k_pci_reg_read32(ar, RTC_STATE_ADDRESS);
return RTC_STATE_V_GET(val) == RTC_STATE_V_ON;
}
static int ath10k_pci_wake_wait(struct ath10k *ar)
{
int tot_delay = 0;
int curr_delay = 5;
while (tot_delay < PCIE_WAKE_TIMEOUT) {
if (ath10k_pci_is_awake(ar))
return 0;
udelay(curr_delay);
tot_delay += curr_delay;
if (curr_delay < 50)
curr_delay += 5;
}
return -ETIMEDOUT;
}
/* The rule is host is forbidden from accessing device registers while it's
* asleep. Currently ath10k_pci_wake() and ath10k_pci_sleep() calls aren't
* balanced and the device is kept awake all the time. This is intended for a
* simpler solution for the following problems:
*
* * device can enter sleep during s2ram without the host knowing,
*
* * irq handlers access registers which is a problem if other device asserts
* a shared irq line when ath10k is between hif_power_down() and
* hif_power_up().
*
* FIXME: If power consumption is a concern (and there are *real* gains) then a
* refcounted wake/sleep needs to be implemented.
*/
static int ath10k_pci_wake(struct ath10k *ar)
{
ath10k_pci_reg_write32(ar, PCIE_SOC_WAKE_ADDRESS,
PCIE_SOC_WAKE_V_MASK);
return ath10k_pci_wake_wait(ar);
}
static void ath10k_pci_sleep(struct ath10k *ar)
{
ath10k_pci_reg_write32(ar, PCIE_SOC_WAKE_ADDRESS,
PCIE_SOC_WAKE_RESET);
}
/* Called by lower (CE) layer when a send to Target completes. */
static void ath10k_pci_ce_send_done(struct ath10k_ce_pipe *ce_state)
{
@ -1227,11 +1372,15 @@ static void ath10k_pci_irq_enable(struct ath10k *ar)
static int ath10k_pci_hif_start(struct ath10k *ar)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot hif start\n");
ath10k_pci_irq_enable(ar);
ath10k_pci_rx_post(ar);
pcie_capability_write_word(ar_pci->pdev, PCI_EXP_LNKCTL,
ar_pci->link_ctl);
return 0;
}
@ -1344,6 +1493,9 @@ static void ath10k_pci_flush(struct ath10k *ar)
static void ath10k_pci_hif_stop(struct ath10k *ar)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
unsigned long flags;
ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot hif stop\n");
/* Most likely the device has HTT Rx ring configured. The only way to
@ -1362,6 +1514,10 @@ static void ath10k_pci_hif_stop(struct ath10k *ar)
ath10k_pci_irq_disable(ar);
ath10k_pci_irq_sync(ar);
ath10k_pci_flush(ar);
spin_lock_irqsave(&ar_pci->ps_lock, flags);
WARN_ON(ar_pci->ps_wake_refcount > 0);
spin_unlock_irqrestore(&ar_pci->ps_lock, flags);
}
static int ath10k_pci_hif_exchange_bmi_msg(struct ath10k *ar,
@ -1981,15 +2137,15 @@ static int ath10k_pci_chip_reset(struct ath10k *ar)
static int ath10k_pci_hif_power_up(struct ath10k *ar)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
int ret;
ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot hif power up\n");
ret = ath10k_pci_wake(ar);
if (ret) {
ath10k_err(ar, "failed to wake up target: %d\n", ret);
return ret;
}
pcie_capability_read_word(ar_pci->pdev, PCI_EXP_LNKCTL,
&ar_pci->link_ctl);
pcie_capability_write_word(ar_pci->pdev, PCI_EXP_LNKCTL,
ar_pci->link_ctl & ~PCI_EXP_LNKCTL_ASPMC);
/*
* Bring the target up cleanly.
@ -2037,7 +2193,6 @@ static int ath10k_pci_hif_power_up(struct ath10k *ar)
ath10k_pci_ce_deinit(ar);
err_sleep:
ath10k_pci_sleep(ar);
return ret;
}
@ -2054,7 +2209,12 @@ static void ath10k_pci_hif_power_down(struct ath10k *ar)
static int ath10k_pci_hif_suspend(struct ath10k *ar)
{
ath10k_pci_sleep(ar);
/* The grace timer can still be counting down and ar->ps_awake be true.
* It is known that the device may be asleep after resuming regardless
* of the SoC powersave state before suspending. Hence make sure the
* device is asleep before proceeding.
*/
ath10k_pci_sleep_sync(ar);
return 0;
}
@ -2064,13 +2224,6 @@ static int ath10k_pci_hif_resume(struct ath10k *ar)
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
struct pci_dev *pdev = ar_pci->pdev;
u32 val;
int ret;
ret = ath10k_pci_wake(ar);
if (ret) {
ath10k_err(ar, "failed to wake device up on resume: %d\n", ret);
return ret;
}
/* Suspend/Resume resets the PCI configuration space, so we have to
* re-disable the RETRY_TIMEOUT register (0x41) to keep PCI Tx retries
@ -2081,7 +2234,7 @@ static int ath10k_pci_hif_resume(struct ath10k *ar)
if ((val & 0x0000ff00) != 0)
pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
return ret;
return 0;
}
#endif
@ -2175,13 +2328,6 @@ static irqreturn_t ath10k_pci_interrupt_handler(int irq, void *arg)
{
struct ath10k *ar = arg;
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
int ret;
ret = ath10k_pci_wake(ar);
if (ret) {
ath10k_warn(ar, "failed to wake device up on irq: %d\n", ret);
return IRQ_NONE;
}
if (ar_pci->num_msi_intrs == 0) {
if (!ath10k_pci_irq_pending(ar))
@ -2502,7 +2648,6 @@ static int ath10k_pci_claim(struct ath10k *ar)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
struct pci_dev *pdev = ar_pci->pdev;
u32 lcr_val;
int ret;
pci_set_drvdata(pdev, ar);
@ -2536,10 +2681,6 @@ static int ath10k_pci_claim(struct ath10k *ar)
pci_set_master(pdev);
/* Workaround: Disable ASPM */
pci_read_config_dword(pdev, 0x80, &lcr_val);
pci_write_config_dword(pdev, 0x80, (lcr_val & 0xffffff00));
/* Arrange for access to Target SoC registers. */
ar_pci->mem = pci_iomap(pdev, BAR_NUM, 0);
if (!ar_pci->mem) {
@ -2633,8 +2774,12 @@ static int ath10k_pci_probe(struct pci_dev *pdev,
pdev->subsystem_vendor, pdev->subsystem_device);
spin_lock_init(&ar_pci->ce_lock);
spin_lock_init(&ar_pci->ps_lock);
setup_timer(&ar_pci->rx_post_retry, ath10k_pci_rx_replenish_retry,
(unsigned long)ar);
setup_timer(&ar_pci->ps_timer, ath10k_pci_ps_timer,
(unsigned long)ar);
ret = ath10k_pci_claim(ar);
if (ret) {
@ -2642,12 +2787,6 @@ static int ath10k_pci_probe(struct pci_dev *pdev,
goto err_core_destroy;
}
ret = ath10k_pci_wake(ar);
if (ret) {
ath10k_err(ar, "failed to wake up: %d\n", ret);
goto err_release;
}
ret = ath10k_pci_alloc_pipes(ar);
if (ret) {
ath10k_err(ar, "failed to allocate copy engine pipes: %d\n",
@ -2711,9 +2850,6 @@ static int ath10k_pci_probe(struct pci_dev *pdev,
ath10k_pci_free_pipes(ar);
err_sleep:
ath10k_pci_sleep(ar);
err_release:
ath10k_pci_release(ar);
err_core_destroy:
@ -2743,6 +2879,7 @@ static void ath10k_pci_remove(struct pci_dev *pdev)
ath10k_pci_deinit_irq(ar);
ath10k_pci_ce_deinit(ar);
ath10k_pci_free_pipes(ar);
ath10k_pci_sleep_sync(ar);
ath10k_pci_release(ar);
ath10k_core_destroy(ar);
}

97
drivers/net/wireless/ath/ath10k/pci.h
View File

@ -185,6 +185,41 @@ struct ath10k_pci {
/* Map CE id to ce_state */
struct ath10k_ce_pipe ce_states[CE_COUNT_MAX];
struct timer_list rx_post_retry;
/* Due to HW quirks it is recommended to disable ASPM during device
* bootup. To do that the original PCI-E Link Control is stored before
* device bootup is executed and re-programmed later.
*/
u16 link_ctl;
/* Protects ps_awake and ps_wake_refcount */
spinlock_t ps_lock;
/* The device has a special powersave-oriented register. When device is
* considered asleep it drains less power and driver is forbidden from
* accessing most MMIO registers. If host were to access them without
* waking up the device might scribble over host memory or return
* 0xdeadbeef readouts.
*/
unsigned long ps_wake_refcount;
/* Waking up takes some time (up to 2ms in some cases) so it can be bad
* for latency. To mitigate this the device isn't immediately allowed
* to sleep after all references are undone - instead there's a grace
* period after which the powersave register is updated unless some
* activity to/from device happened in the meantime.
*
* Also see comments on ATH10K_PCI_SLEEP_GRACE_PERIOD_MSEC.
*/
struct timer_list ps_timer;
/* MMIO registers are used to communicate with the device. With
* intensive traffic accessing powersave register would be a bit
* wasteful overhead and would needlessly stall CPU. It is far more
* efficient to rely on a variable in RAM and update it only upon
* powersave register state changes.
*/
bool ps_awake;
};
static inline struct ath10k_pci *ath10k_pci_priv(struct ath10k *ar)
@ -209,61 +244,25 @@ static inline struct ath10k_pci *ath10k_pci_priv(struct ath10k *ar)
* for this device; but that's not guaranteed.
*/
#define TARG_CPU_SPACE_TO_CE_SPACE(ar, pci_addr, addr) \
(((ioread32((pci_addr)+(SOC_CORE_BASE_ADDRESS| \
(((ath10k_pci_read32(ar, (SOC_CORE_BASE_ADDRESS | \
CORE_CTRL_ADDRESS)) & 0x7ff) << 21) | \
0x100000 | ((addr) & 0xfffff))
/* Wait up to this many Ms for a Diagnostic Access CE operation to complete */
#define DIAG_ACCESS_CE_TIMEOUT_MS 10
/* Target exposes its registers for direct access. However before host can
* access them it needs to make sure the target is awake (ath10k_pci_wake,
* ath10k_pci_wake_wait, ath10k_pci_is_awake). Once target is awake it won't go
* to sleep unless host tells it to (ath10k_pci_sleep).
*
* If host tries to access target registers without waking it up it can
* scribble over host memory.
*
* If target is asleep waking it up may take up to even 2ms.
void ath10k_pci_write32(struct ath10k *ar, u32 offset, u32 value);
void ath10k_pci_soc_write32(struct ath10k *ar, u32 addr, u32 val);
void ath10k_pci_reg_write32(struct ath10k *ar, u32 addr, u32 val);
u32 ath10k_pci_read32(struct ath10k *ar, u32 offset);
u32 ath10k_pci_soc_read32(struct ath10k *ar, u32 addr);
u32 ath10k_pci_reg_read32(struct ath10k *ar, u32 addr);
/* QCA6174 is known to have Tx/Rx issues when SOC_WAKE register is poked too
* frequently. To avoid this put SoC to sleep after a very conservative grace
* period. Adjust with great care.
*/
static inline void ath10k_pci_write32(struct ath10k *ar, u32 offset,
u32 value)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
iowrite32(value, ar_pci->mem + offset);
}
static inline u32 ath10k_pci_read32(struct ath10k *ar, u32 offset)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
return ioread32(ar_pci->mem + offset);
}
static inline u32 ath10k_pci_soc_read32(struct ath10k *ar, u32 addr)
{
return ath10k_pci_read32(ar, RTC_SOC_BASE_ADDRESS + addr);
}
static inline void ath10k_pci_soc_write32(struct ath10k *ar, u32 addr, u32 val)
{
ath10k_pci_write32(ar, RTC_SOC_BASE_ADDRESS + addr, val);
}
static inline u32 ath10k_pci_reg_read32(struct ath10k *ar, u32 addr)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
return ioread32(ar_pci->mem + PCIE_LOCAL_BASE_ADDRESS + addr);
}
static inline void ath10k_pci_reg_write32(struct ath10k *ar, u32 addr, u32 val)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
iowrite32(val, ar_pci->mem + PCIE_LOCAL_BASE_ADDRESS + addr);
}
#define ATH10K_PCI_SLEEP_GRACE_PERIOD_MSEC 60
#endif /* _PCI_H_ */

5
drivers/net/wireless/ath/ath10k/spectral.c
View File

@ -519,9 +519,12 @@ int ath10k_spectral_vif_stop(struct ath10k_vif *arvif)
int ath10k_spectral_create(struct ath10k *ar)
{
/* The buffer size covers whole channels in dual bands up to 128 bins.
* Scan with bigger than 128 bins needs to be run on single band each.
*/
ar->spectral.rfs_chan_spec_scan = relay_open("spectral_scan",
ar->debug.debugfs_phy,
1024, 256,
1140, 2500,
&rfs_spec_scan_cb, NULL);
debugfs_create_file("spectral_scan_ctl",
S_IRUSR | S_IWUSR,

4
drivers/net/wireless/ath/ath10k/wmi.c
View File

@ -1645,10 +1645,10 @@ void ath10k_wmi_event_chan_info(struct ath10k *ar, struct sk_buff *skb)
survey = &ar->survey[idx];
survey->time = WMI_CHAN_INFO_MSEC(cycle_count);
survey->time_rx = WMI_CHAN_INFO_MSEC(rx_clear_count);
survey->time_busy = WMI_CHAN_INFO_MSEC(rx_clear_count);
survey->noise = noise_floor;
survey->filled = SURVEY_INFO_TIME |
SURVEY_INFO_TIME_RX |
SURVEY_INFO_TIME_BUSY |
SURVEY_INFO_NOISE_DBM;
}

1
drivers/net/wireless/ath/wil6210/Makefile
View File

@ -12,6 +12,7 @@ wil6210-y += debug.o
wil6210-y += rx_reorder.o
wil6210-y += ioctl.o
wil6210-y += fw.o
wil6210-y += pmc.o
wil6210-$(CONFIG_WIL6210_TRACING) += trace.o
wil6210-y += wil_platform.o
wil6210-y += ethtool.o

128
drivers/net/wireless/ath/wil6210/cfg80211.c
View File

@ -402,11 +402,8 @@ static int wil_cfg80211_connect(struct wiphy *wiphy,
rsn_eid = sme->ie ?
cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) :
NULL;
if (sme->privacy && !rsn_eid) {
wil_err(wil, "Missing RSN IE for secure connection\n");
return -EINVAL;
}
if (sme->privacy && !rsn_eid)
wil_info(wil, "WSC connection\n");
bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid,
sme->ssid, sme->ssid_len,
@ -425,10 +422,17 @@ static int wil_cfg80211_connect(struct wiphy *wiphy,
wil->privacy = sme->privacy;
if (wil->privacy) {
/* For secure assoc, send WMI_DELETE_CIPHER_KEY_CMD */
rc = wmi_del_cipher_key(wil, 0, bss->bssid);
/* For secure assoc, remove old keys */
rc = wmi_del_cipher_key(wil, 0, bss->bssid,
WMI_KEY_USE_PAIRWISE);
if (rc) {
wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD failed\n");
wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(PTK) failed\n");
goto out;
}
rc = wmi_del_cipher_key(wil, 0, bss->bssid,
WMI_KEY_USE_RX_GROUP);
if (rc) {
wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(GTK) failed\n");
goto out;
}
}
@ -458,11 +462,18 @@ static int wil_cfg80211_connect(struct wiphy *wiphy,
goto out;
}
if (wil->privacy) {
conn.dot11_auth_mode = WMI_AUTH11_SHARED;
conn.auth_mode = WMI_AUTH_WPA2_PSK;
conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP;
conn.pairwise_crypto_len = 16;
} else {
if (rsn_eid) { /* regular secure connection */
conn.dot11_auth_mode = WMI_AUTH11_SHARED;
conn.auth_mode = WMI_AUTH_WPA2_PSK;
conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP;
conn.pairwise_crypto_len = 16;
conn.group_crypto_type = WMI_CRYPT_AES_GCMP;
conn.group_crypto_len = 16;
} else { /* WSC */
conn.dot11_auth_mode = WMI_AUTH11_WSC;
conn.auth_mode = WMI_AUTH_NONE;
}
} else { /* insecure connection */
conn.dot11_auth_mode = WMI_AUTH11_OPEN;
conn.auth_mode = WMI_AUTH_NONE;
}
@ -507,6 +518,8 @@ static int wil_cfg80211_disconnect(struct wiphy *wiphy,
int rc;
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
wil_dbg_misc(wil, "%s(reason=%d)\n", __func__, reason_code);
rc = wmi_send(wil, WMI_DISCONNECT_CMDID, NULL, 0);
return rc;
@ -561,6 +574,39 @@ static int wil_cfg80211_set_channel(struct wiphy *wiphy,
return 0;
}
static enum wmi_key_usage wil_detect_key_usage(struct wil6210_priv *wil,
bool pairwise)
{
struct wireless_dev *wdev = wil->wdev;
enum wmi_key_usage rc;
static const char * const key_usage_str[] = {
[WMI_KEY_USE_PAIRWISE] = "WMI_KEY_USE_PAIRWISE",
[WMI_KEY_USE_RX_GROUP] = "WMI_KEY_USE_RX_GROUP",
[WMI_KEY_USE_TX_GROUP] = "WMI_KEY_USE_TX_GROUP",
};
if (pairwise) {
rc = WMI_KEY_USE_PAIRWISE;
} else {
switch (wdev->iftype) {
case NL80211_IFTYPE_STATION:
rc = WMI_KEY_USE_RX_GROUP;
break;
case NL80211_IFTYPE_AP:
rc = WMI_KEY_USE_TX_GROUP;
break;
default:
/* TODO: Rx GTK or Tx GTK? */
wil_err(wil, "Can't determine GTK type\n");
rc = WMI_KEY_USE_RX_GROUP;
break;
}
}
wil_dbg_misc(wil, "%s() -> %s\n", __func__, key_usage_str[rc]);
return rc;
}
static int wil_cfg80211_add_key(struct wiphy *wiphy,
struct net_device *ndev,
u8 key_index, bool pairwise,
@ -568,13 +614,13 @@ static int wil_cfg80211_add_key(struct wiphy *wiphy,
struct key_params *params)
{
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
enum wmi_key_usage key_usage = wil_detect_key_usage(wil, pairwise);
/* group key is not used */
if (!pairwise)
return 0;
wil_dbg_misc(wil, "%s(%pM[%d] %s)\n", __func__, mac_addr, key_index,
pairwise ? "PTK" : "GTK");
return wmi_add_cipher_key(wil, key_index, mac_addr,
params->key_len, params->key);
return wmi_add_cipher_key(wil, key_index, mac_addr, params->key_len,
params->key, key_usage);
}
static int wil_cfg80211_del_key(struct wiphy *wiphy,
@ -583,12 +629,12 @@ static int wil_cfg80211_del_key(struct wiphy *wiphy,
const u8 *mac_addr)
{
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
enum wmi_key_usage key_usage = wil_detect_key_usage(wil, pairwise);
/* group key is not used */
if (!pairwise)
return 0;
wil_dbg_misc(wil, "%s(%pM[%d] %s)\n", __func__, mac_addr, key_index,
pairwise ? "PTK" : "GTK");
return wmi_del_cipher_key(wil, key_index, mac_addr);
return wmi_del_cipher_key(wil, key_index, mac_addr, key_usage);
}
/* Need to be present or wiphy_new() will WARN */
@ -661,11 +707,6 @@ static int wil_fix_bcon(struct wil6210_priv *wil,
if (bcon->probe_resp_len <= hlen)
return 0;
if (!bcon->proberesp_ies) {
bcon->proberesp_ies = f->u.probe_resp.variable;
bcon->proberesp_ies_len = bcon->probe_resp_len - hlen;
rc = 1;
}
if (!bcon->assocresp_ies) {
bcon->assocresp_ies = f->u.probe_resp.variable;
bcon->assocresp_ies_len = bcon->probe_resp_len - hlen;
@ -680,9 +721,19 @@ static int wil_cfg80211_change_beacon(struct wiphy *wiphy,
struct cfg80211_beacon_data *bcon)
{
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
struct ieee80211_mgmt *f = (struct ieee80211_mgmt *)bcon->probe_resp;
size_t hlen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
const u8 *pr_ies = NULL;
size_t pr_ies_len = 0;
int rc;
wil_dbg_misc(wil, "%s()\n", __func__);
wil_print_bcon_data(bcon);
if (bcon->probe_resp_len > hlen) {
pr_ies = f->u.probe_resp.variable;
pr_ies_len = bcon->probe_resp_len - hlen;
}
if (wil_fix_bcon(wil, bcon)) {
wil_dbg_misc(wil, "Fixed bcon\n");
@ -695,9 +746,7 @@ static int wil_cfg80211_change_beacon(struct wiphy *wiphy,
* wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->beacon_ies_len,
* bcon->beacon_ies);
*/
rc = wmi_set_ie(wil, WMI_FRAME_PROBE_RESP,
bcon->proberesp_ies_len,
bcon->proberesp_ies);
rc = wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, pr_ies_len, pr_ies);
if (rc) {
wil_err(wil, "set_ie(PROBE_RESP) failed\n");
return rc;
@ -725,6 +774,10 @@ static int wil_cfg80211_start_ap(struct wiphy *wiphy,
struct cfg80211_beacon_data *bcon = &info->beacon;
struct cfg80211_crypto_settings *crypto = &info->crypto;
u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype);
struct ieee80211_mgmt *f = (struct ieee80211_mgmt *)bcon->probe_resp;
size_t hlen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
const u8 *pr_ies = NULL;
size_t pr_ies_len = 0;
wil_dbg_misc(wil, "%s()\n", __func__);
@ -744,6 +797,11 @@ static int wil_cfg80211_start_ap(struct wiphy *wiphy,
wil_print_bcon_data(bcon);
wil_print_crypto(wil, crypto);
if (bcon->probe_resp_len > hlen) {
pr_ies = f->u.probe_resp.variable;
pr_ies_len = bcon->probe_resp_len - hlen;
}
if (wil_fix_bcon(wil, bcon)) {
wil_dbg_misc(wil, "Fixed bcon\n");
wil_print_bcon_data(bcon);
@ -771,8 +829,7 @@ static int wil_cfg80211_start_ap(struct wiphy *wiphy,
* wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->beacon_ies_len,
* bcon->beacon_ies);
*/
wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, bcon->proberesp_ies_len,
bcon->proberesp_ies);
wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, pr_ies_len, pr_ies);
wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, bcon->assocresp_ies_len,
bcon->assocresp_ies);
@ -814,13 +871,9 @@ static int wil_cfg80211_stop_ap(struct wiphy *wiphy,
wmi_pcp_stop(wil);
__wil_down(wil);
__wil_up(wil);
mutex_unlock(&wil->mutex);
/* some functions above might fail (e.g. __wil_up). Nevertheless, we
* return success because AP has stopped
*/
return 0;
}
@ -830,6 +883,9 @@ static int wil_cfg80211_del_station(struct wiphy *wiphy,
{
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
wil_dbg_misc(wil, "%s(%pM, reason=%d)\n", __func__, params->mac,
params->reason_code);
mutex_lock(&wil->mutex);
wil6210_disconnect(wil, params->mac, params->reason_code, false);
mutex_unlock(&wil->mutex);

107
drivers/net/wireless/ath/wil6210/debugfs.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2012-2014 Qualcomm Atheros, Inc.
* Copyright (c) 2012-2015 Qualcomm Atheros, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@ -24,6 +24,7 @@
#include "wil6210.h"
#include "wmi.h"
#include "txrx.h"
#include "pmc.h"
/* Nasty hack. Better have per device instances */
static u32 mem_addr;
@ -123,15 +124,17 @@ static int wil_vring_debugfs_show(struct seq_file *s, void *data)
if (cid < WIL6210_MAX_CID)
seq_printf(s,
"\n%pM CID %d TID %d BACK([%u] %u TU A%s) [%3d|%3d] idle %s\n",
"\n%pM CID %d TID %d 1x%s BACK([%u] %u TU A%s) [%3d|%3d] idle %s\n",
wil->sta[cid].addr, cid, tid,
txdata->dot1x_open ? "+" : "-",
txdata->agg_wsize,
txdata->agg_timeout,
txdata->agg_amsdu ? "+" : "-",
used, avail, sidle);
else
seq_printf(s,
"\nBroadcast [%3d|%3d] idle %s\n",
"\nBroadcast 1x%s [%3d|%3d] idle %s\n",
txdata->dot1x_open ? "+" : "-",
used, avail, sidle);
wil_print_vring(s, wil, name, vring, '_', 'H');
@ -702,6 +705,89 @@ static const struct file_operations fops_back = {
.open = simple_open,
};
/* pmc control, write:
* - "alloc <num descriptors> <descriptor_size>" to allocate PMC
* - "free" to release memory allocated for PMC
*/
static ssize_t wil_write_pmccfg(struct file *file, const char __user *buf,
size_t len, loff_t *ppos)
{
struct wil6210_priv *wil = file->private_data;
int rc;
char *kbuf = kmalloc(len + 1, GFP_KERNEL);
char cmd[9];
int num_descs, desc_size;
if (!kbuf)
return -ENOMEM;
rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);
if (rc != len) {
kfree(kbuf);
return rc >= 0 ? -EIO : rc;
}
kbuf[len] = '\0';
rc = sscanf(kbuf, "%8s %d %d", cmd, &num_descs, &desc_size);
kfree(kbuf);
if (rc < 0)
return rc;
if (rc < 1) {
wil_err(wil, "pmccfg: no params given\n");
return -EINVAL;
}
if (0 == strcmp(cmd, "alloc")) {
if (rc != 3) {
wil_err(wil, "pmccfg: alloc requires 2 params\n");
return -EINVAL;
}
wil_pmc_alloc(wil, num_descs, desc_size);
} else if (0 == strcmp(cmd, "free")) {
if (rc != 1) {
wil_err(wil, "pmccfg: free does not have any params\n");
return -EINVAL;
}
wil_pmc_free(wil, true);
} else {
wil_err(wil, "pmccfg: Unrecognized command \"%s\"\n", cmd);
return -EINVAL;
}
return len;
}
static ssize_t wil_read_pmccfg(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct wil6210_priv *wil = file->private_data;
char text[256];
char help[] = "pmc control, write:\n"
" - \"alloc <num descriptors> <descriptor_size>\" to allocate pmc\n"
" - \"free\" to free memory allocated for pmc\n";
sprintf(text, "Last command status: %d\n\n%s",
wil_pmc_last_cmd_status(wil),
help);
return simple_read_from_buffer(user_buf, count, ppos, text,
strlen(text) + 1);
}
static const struct file_operations fops_pmccfg = {
.read = wil_read_pmccfg,
.write = wil_write_pmccfg,
.open = simple_open,
};
static const struct file_operations fops_pmcdata = {
.open = simple_open,
.read = wil_pmc_read,
.llseek = wil_pmc_llseek,
};
/*---tx_mgmt---*/
/* Write mgmt frame to this file to send it */
static ssize_t wil_write_file_txmgmt(struct file *file, const char __user *buf,
@ -1111,8 +1197,7 @@ static int wil_link_debugfs_show(struct seq_file *s, void *data)
status = "connected";
break;
}
seq_printf(s, "[%d] %pM %s%s\n", i, p->addr, status,
(p->data_port_open ? " data_port_open" : ""));
seq_printf(s, "[%d] %pM %s\n", i, p->addr, status);
if (p->status == wil_sta_connected) {
rc = wil_cid_fill_sinfo(wil, i, &sinfo);
@ -1292,8 +1377,7 @@ __acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock)
status = "connected";
break;
}
seq_printf(s, "[%d] %pM %s%s\n", i, p->addr, status,
(p->data_port_open ? " data_port_open" : ""));
seq_printf(s, "[%d] %pM %s\n", i, p->addr, status);
if (p->status == wil_sta_connected) {
spin_lock_bh(&p->tid_rx_lock);
@ -1363,6 +1447,8 @@ static const struct {
{"tx_mgmt", S_IWUSR, &fops_txmgmt},
{"wmi_send", S_IWUSR, &fops_wmi},
{"back", S_IRUGO | S_IWUSR, &fops_back},
{"pmccfg", S_IRUGO | S_IWUSR, &fops_pmccfg},
{"pmcdata", S_IRUGO, &fops_pmcdata},
{"temp", S_IRUGO, &fops_temp},
{"freq", S_IRUGO, &fops_freq},
{"link", S_IRUGO, &fops_link},
@ -1440,6 +1526,8 @@ int wil6210_debugfs_init(struct wil6210_priv *wil)
if (IS_ERR_OR_NULL(dbg))
return -ENODEV;
wil_pmc_init(wil);
wil6210_debugfs_init_files(wil, dbg);
wil6210_debugfs_init_isr(wil, dbg);
wil6210_debugfs_init_blobs(wil, dbg);
@ -1459,4 +1547,9 @@ void wil6210_debugfs_remove(struct wil6210_priv *wil)
{
debugfs_remove_recursive(wil->debug);
wil->debug = NULL;
/* free pmc memory without sending command to fw, as it will
* be reset on the way down anyway
*/
wil_pmc_free(wil, false);
}

29
drivers/net/wireless/ath/wil6210/main.c
View File

@ -25,6 +25,10 @@
#define WAIT_FOR_DISCONNECT_TIMEOUT_MS 2000
#define WAIT_FOR_DISCONNECT_INTERVAL_MS 10
bool debug_fw; /* = false; */
module_param(debug_fw, bool, S_IRUGO);
MODULE_PARM_DESC(debug_fw, " do not perform card reset. For FW debug");
bool no_fw_recovery;
module_param(no_fw_recovery, bool, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(no_fw_recovery, " disable automatic FW error recovery");
@ -146,7 +150,6 @@ __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock)
wil_dbg_misc(wil, "%s(CID %d, status %d)\n", __func__, cid,
sta->status);
sta->data_port_open = false;
if (sta->status != wil_sta_unused) {
if (!from_event)
wmi_disconnect_sta(wil, sta->addr, reason_code);
@ -373,9 +376,10 @@ int wil_bcast_init(struct wil6210_priv *wil)
if (ri < 0)
return ri;
wil->bcast_vring = ri;
rc = wil_vring_init_bcast(wil, ri, 1 << bcast_ring_order);
if (rc == 0)
wil->bcast_vring = ri;
if (rc)
wil->bcast_vring = -1;
return rc;
}
@ -547,7 +551,7 @@ static inline void wil_release_cpu(struct wil6210_priv *wil)
static int wil_target_reset(struct wil6210_priv *wil)
{
int delay = 0;
u32 x;
u32 x, x1 = 0;
wil_dbg_misc(wil, "Resetting \"%s\"...\n", wil->hw_name);
@ -602,12 +606,16 @@ static int wil_target_reset(struct wil6210_priv *wil)
do {
msleep(RST_DELAY);
x = R(RGF_USER_BL + offsetof(struct RGF_BL, ready));
if (x1 != x) {
wil_dbg_misc(wil, "BL.ready 0x%08x => 0x%08x\n", x1, x);
x1 = x;
}
if (delay++ > RST_COUNT) {
wil_err(wil, "Reset not completed, bl.ready 0x%08x\n",
x);
return -ETIME;
}
} while (!(x & BIT_BL_READY));
} while (x != BIT_BL_READY);
C(RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_RST_PWGD);
@ -686,6 +694,17 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw)
WARN_ON(!mutex_is_locked(&wil->mutex));
WARN_ON(test_bit(wil_status_napi_en, wil->status));
if (debug_fw) {
static const u8 mac[ETH_ALEN] = {
0x00, 0xde, 0xad, 0x12, 0x34, 0x56,
};
struct net_device *ndev = wil_to_ndev(wil);
ether_addr_copy(ndev->perm_addr, mac);
ether_addr_copy(ndev->dev_addr, ndev->perm_addr);
return 0;
}
cancel_work_sync(&wil->disconnect_worker);
wil6210_disconnect(wil, NULL, WLAN_REASON_DEAUTH_LEAVING, false);
wil_bcast_fini(wil);

5
drivers/net/wireless/ath/wil6210/netdev.c
View File

@ -24,6 +24,11 @@ static int wil_open(struct net_device *ndev)
wil_dbg_misc(wil, "%s()\n", __func__);
if (debug_fw) {
wil_err(wil, "%s() while in debug_fw mode\n", __func__);
return -EINVAL;
}
return wil_up(wil);
}

6
drivers/net/wireless/ath/wil6210/pcie_bus.c
View File

@ -27,10 +27,6 @@ MODULE_PARM_DESC(use_msi,
" Use MSI interrupt: "
"0 - don't, 1 - (default) - single, or 3");
static bool debug_fw; /* = false; */
module_param(debug_fw, bool, S_IRUGO);
MODULE_PARM_DESC(debug_fw, " load driver if FW not ready. For FW debug");
static
void wil_set_capabilities(struct wil6210_priv *wil)
{
@ -133,8 +129,6 @@ static int wil_if_pcie_enable(struct wil6210_priv *wil)
mutex_lock(&wil->mutex);
rc = wil_reset(wil, false);
mutex_unlock(&wil->mutex);
if (debug_fw)
rc = 0;
if (rc)
goto release_irq;

375
drivers/net/wireless/ath/wil6210/pmc.c Normal file
View File

@ -0,0 +1,375 @@
/*
* Copyright (c) 2012-2015 Qualcomm Atheros, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/fs.h>
#include "wmi.h"
#include "wil6210.h"
#include "txrx.h"
#include "pmc.h"
struct desc_alloc_info {
dma_addr_t pa;
void *va;
};
static int wil_is_pmc_allocated(struct pmc_ctx *pmc)
{
return !!pmc->pring_va;
}
void wil_pmc_init(struct wil6210_priv *wil)
{
memset(&wil->pmc, 0, sizeof(struct pmc_ctx));
mutex_init(&wil->pmc.lock);
}
/**
* Allocate the physical ring (p-ring) and the required
* number of descriptors of required size.
* Initialize the descriptors as required by pmc dma.
* The descriptors' buffers dwords are initialized to hold
* dword's serial number in the lsw and reserved value
* PCM_DATA_INVALID_DW_VAL in the msw.
*/
void wil_pmc_alloc(struct wil6210_priv *wil,
int num_descriptors,
int descriptor_size)
{
u32 i;
struct pmc_ctx *pmc = &wil->pmc;
struct device *dev = wil_to_dev(wil);
struct wmi_pmc_cmd pmc_cmd = {0};
mutex_lock(&pmc->lock);
if (wil_is_pmc_allocated(pmc)) {
/* sanity check */
wil_err(wil, "%s: ERROR pmc is already allocated\n", __func__);
goto no_release_err;
}
pmc->num_descriptors = num_descriptors;
pmc->descriptor_size = descriptor_size;
wil_dbg_misc(wil, "%s: %d descriptors x %d bytes each\n",
__func__, num_descriptors, descriptor_size);
/* allocate descriptors info list in pmc context*/
pmc->descriptors = kcalloc(num_descriptors,
sizeof(struct desc_alloc_info),
GFP_KERNEL);
if (!pmc->descriptors) {
wil_err(wil, "%s: ERROR allocating pmc skb list\n", __func__);
goto no_release_err;
}
wil_dbg_misc(wil,
"%s: allocated descriptors info list %p\n",
__func__, pmc->descriptors);
/* Allocate pring buffer and descriptors.
* vring->va should be aligned on its size rounded up to power of 2
* This is granted by the dma_alloc_coherent
*/
pmc->pring_va = dma_alloc_coherent(dev,
sizeof(struct vring_tx_desc) * num_descriptors,
&pmc->pring_pa,
GFP_KERNEL);
wil_dbg_misc(wil,
"%s: allocated pring %p => %pad. %zd x %d = total %zd bytes\n",
__func__,
pmc->pring_va, &pmc->pring_pa,
sizeof(struct vring_tx_desc),
num_descriptors,
sizeof(struct vring_tx_desc) * num_descriptors);
if (!pmc->pring_va) {
wil_err(wil, "%s: ERROR allocating pmc pring\n", __func__);
goto release_pmc_skb_list;
}
/* initially, all descriptors are SW owned
* For Tx, Rx, and PMC, ownership bit is at the same location, thus
* we can use any
*/
for (i = 0; i < num_descriptors; i++) {
struct vring_tx_desc *_d = &pmc->pring_va[i];
struct vring_tx_desc dd, *d = &dd;
int j = 0;
pmc->descriptors[i].va = dma_alloc_coherent(dev,
descriptor_size,
&pmc->descriptors[i].pa,
GFP_KERNEL);
if (unlikely(!pmc->descriptors[i].va)) {
wil_err(wil,
"%s: ERROR allocating pmc descriptor %d",
__func__, i);
goto release_pmc_skbs;
}
for (j = 0; j < descriptor_size / sizeof(u32); j++) {
u32 *p = (u32 *)pmc->descriptors[i].va + j;
*p = PCM_DATA_INVALID_DW_VAL | j;
}
/* configure dma descriptor */
d->dma.addr.addr_low =
cpu_to_le32(lower_32_bits(pmc->descriptors[i].pa));
d->dma.addr.addr_high =
cpu_to_le16((u16)upper_32_bits(pmc->descriptors[i].pa));
d->dma.status = 0; /* 0 = HW_OWNED */
d->dma.length = cpu_to_le16(descriptor_size);
d->dma.d0 = BIT(9) | RX_DMA_D0_CMD_DMA_IT;
*_d = *d;
}
wil_dbg_misc(wil, "%s: allocated successfully\n", __func__);
pmc_cmd.op = WMI_PMC_ALLOCATE;
pmc_cmd.ring_size = cpu_to_le16(pmc->num_descriptors);
pmc_cmd.mem_base = cpu_to_le64(pmc->pring_pa);
wil_dbg_misc(wil, "%s: send WMI_PMC_CMD with ALLOCATE op\n", __func__);
pmc->last_cmd_status = wmi_send(wil,
WMI_PMC_CMDID,
&pmc_cmd,
sizeof(pmc_cmd));
if (pmc->last_cmd_status) {
wil_err(wil,
"%s: WMI_PMC_CMD with ALLOCATE op failed with status %d",
__func__, pmc->last_cmd_status);
goto release_pmc_skbs;
}
mutex_unlock(&pmc->lock);
return;
release_pmc_skbs:
wil_err(wil, "%s: exit on error: Releasing skbs...\n", __func__);
for (i = 0; pmc->descriptors[i].va && i < num_descriptors; i++) {
dma_free_coherent(dev,
descriptor_size,
pmc->descriptors[i].va,
pmc->descriptors[i].pa);
pmc->descriptors[i].va = NULL;
}
wil_err(wil, "%s: exit on error: Releasing pring...\n", __func__);
dma_free_coherent(dev,
sizeof(struct vring_tx_desc) * num_descriptors,
pmc->pring_va,
pmc->pring_pa);
pmc->pring_va = NULL;
release_pmc_skb_list:
wil_err(wil, "%s: exit on error: Releasing descriptors info list...\n",
__func__);
kfree(pmc->descriptors);
pmc->descriptors = NULL;
no_release_err:
pmc->last_cmd_status = -ENOMEM;
mutex_unlock(&pmc->lock);
}
/**
* Traverse the p-ring and release all buffers.
* At the end release the p-ring memory
*/
void wil_pmc_free(struct wil6210_priv *wil, int send_pmc_cmd)
{
struct pmc_ctx *pmc = &wil->pmc;
struct device *dev = wil_to_dev(wil);
struct wmi_pmc_cmd pmc_cmd = {0};
mutex_lock(&pmc->lock);
pmc->last_cmd_status = 0;
if (!wil_is_pmc_allocated(pmc)) {
wil_dbg_misc(wil, "%s: Error, can't free - not allocated\n",
__func__);
pmc->last_cmd_status = -EPERM;
mutex_unlock(&pmc->lock);
return;
}
if (send_pmc_cmd) {
wil_dbg_misc(wil, "%s: send WMI_PMC_CMD with RELEASE op\n",
__func__);
pmc_cmd.op = WMI_PMC_RELEASE;
pmc->last_cmd_status =
wmi_send(wil, WMI_PMC_CMDID, &pmc_cmd,
sizeof(pmc_cmd));
if (pmc->last_cmd_status) {
wil_err(wil,
"%s WMI_PMC_CMD with RELEASE op failed, status %d",
__func__, pmc->last_cmd_status);
/* There's nothing we can do with this error.
* Normally, it should never occur.
* Continue to freeing all memory allocated for pmc.
*/
}
}
if (pmc->pring_va) {
size_t buf_size = sizeof(struct vring_tx_desc) *
pmc->num_descriptors;
wil_dbg_misc(wil, "%s: free pring va %p\n",
__func__, pmc->pring_va);
dma_free_coherent(dev, buf_size, pmc->pring_va, pmc->pring_pa);
pmc->pring_va = NULL;
} else {
pmc->last_cmd_status = -ENOENT;
}
if (pmc->descriptors) {
int i;
for (i = 0;
pmc->descriptors[i].va && i < pmc->num_descriptors; i++) {
dma_free_coherent(dev,
pmc->descriptor_size,
pmc->descriptors[i].va,
pmc->descriptors[i].pa);
pmc->descriptors[i].va = NULL;
}
wil_dbg_misc(wil, "%s: free descriptor info %d/%d\n",
__func__, i, pmc->num_descriptors);
wil_dbg_misc(wil,
"%s: free pmc descriptors info list %p\n",
__func__, pmc->descriptors);
kfree(pmc->descriptors);
pmc->descriptors = NULL;
} else {
pmc->last_cmd_status = -ENOENT;
}
mutex_unlock(&pmc->lock);
}
/**
* Status of the last operation requested via debugfs: alloc/free/read.
* 0 - success or negative errno
*/
int wil_pmc_last_cmd_status(struct wil6210_priv *wil)
{
wil_dbg_misc(wil, "%s: status %d\n", __func__,
wil->pmc.last_cmd_status);
return wil->pmc.last_cmd_status;
}
/**
* Read from required position up to the end of current descriptor,
* depends on descriptor size configured during alloc request.
*/
ssize_t wil_pmc_read(struct file *filp, char __user *buf, size_t count,
loff_t *f_pos)
{
struct wil6210_priv *wil = filp->private_data;
struct pmc_ctx *pmc = &wil->pmc;
size_t retval = 0;
unsigned long long idx;
loff_t offset;
size_t pmc_size = pmc->descriptor_size * pmc->num_descriptors;
mutex_lock(&pmc->lock);
if (!wil_is_pmc_allocated(pmc)) {
wil_err(wil, "%s: error, pmc is not allocated!\n", __func__);
pmc->last_cmd_status = -EPERM;
mutex_unlock(&pmc->lock);
return -EPERM;
}
wil_dbg_misc(wil,
"%s: size %u, pos %lld\n",
__func__, (unsigned)count, *f_pos);
pmc->last_cmd_status = 0;
idx = *f_pos;
do_div(idx, pmc->descriptor_size);
offset = *f_pos - (idx * pmc->descriptor_size);
if (*f_pos >= pmc_size) {
wil_dbg_misc(wil, "%s: reached end of pmc buf: %lld >= %u\n",
__func__, *f_pos, (unsigned)pmc_size);
pmc->last_cmd_status = -ERANGE;
goto out;
}
wil_dbg_misc(wil,
"%s: read from pos %lld (descriptor %llu, offset %llu) %zu bytes\n",
__func__, *f_pos, idx, offset, count);
/* if no errors, return the copied byte count */
retval = simple_read_from_buffer(buf,
count,
&offset,
pmc->descriptors[idx].va,
pmc->descriptor_size);
*f_pos += retval;
out:
mutex_unlock(&pmc->lock);
return retval;
}
loff_t wil_pmc_llseek(struct file *filp, loff_t off, int whence)
{
loff_t newpos;
struct wil6210_priv *wil = filp->private_data;
struct pmc_ctx *pmc = &wil->pmc;
size_t pmc_size = pmc->descriptor_size * pmc->num_descriptors;
switch (whence) {
case 0: /* SEEK_SET */
newpos = off;
break;
case 1: /* SEEK_CUR */
newpos = filp->f_pos + off;
break;
case 2: /* SEEK_END */
newpos = pmc_size;
break;
default: /* can't happen */
return -EINVAL;
}
if (newpos < 0)
return -EINVAL;
if (newpos > pmc_size)
newpos = pmc_size;
filp->f_pos = newpos;
return newpos;
}

27
drivers/net/wireless/ath/wil6210/pmc.h Normal file
View File

@ -0,0 +1,27 @@
/*
* Copyright (c) 2012-2015 Qualcomm Atheros, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <linux/types.h>
#define PCM_DATA_INVALID_DW_VAL (0xB0BA0000)
void wil_pmc_init(struct wil6210_priv *wil);
void wil_pmc_alloc(struct wil6210_priv *wil,
int num_descriptors, int descriptor_size);
void wil_pmc_free(struct wil6210_priv *wil, int send_pmc_cmd);
int wil_pmc_last_cmd_status(struct wil6210_priv *wil);
ssize_t wil_pmc_read(struct file *, char __user *, size_t, loff_t *);
loff_t wil_pmc_llseek(struct file *filp, loff_t off, int whence);

48
drivers/net/wireless/ath/wil6210/txrx.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2012-2014 Qualcomm Atheros, Inc.
* Copyright (c) 2012-2015 Qualcomm Atheros, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@ -236,7 +236,7 @@ static int wil_vring_alloc_skb(struct wil6210_priv *wil, struct vring *vring,
return -ENOMEM;
}
d->dma.d0 = BIT(9) | RX_DMA_D0_CMD_DMA_IT;
d->dma.d0 = RX_DMA_D0_CMD_DMA_RT | RX_DMA_D0_CMD_DMA_IT;
wil_desc_addr_set(&d->dma.addr, pa);
/* ip_length don't care */
/* b11 don't care */
@ -724,6 +724,8 @@ int wil_vring_init_tx(struct wil6210_priv *wil, int id, int size,
cmd.vring_cfg.tx_sw_ring.ring_mem_base = cpu_to_le64(vring->pa);
if (!wil->privacy)
txdata->dot1x_open = true;
rc = wmi_call(wil, WMI_VRING_CFG_CMDID, &cmd, sizeof(cmd),
WMI_VRING_CFG_DONE_EVENTID, &reply, sizeof(reply), 100);
if (rc)
@ -738,11 +740,13 @@ int wil_vring_init_tx(struct wil6210_priv *wil, int id, int size,
vring->hwtail = le32_to_cpu(reply.cmd.tx_vring_tail_ptr);
txdata->enabled = 1;
if (wil->sta[cid].data_port_open && (agg_wsize >= 0))
if (txdata->dot1x_open && (agg_wsize >= 0))
wil_addba_tx_request(wil, id, agg_wsize);
return 0;
out_free:
txdata->dot1x_open = false;
txdata->enabled = 0;
wil_vring_free(wil, vring, 1);
out:
@ -792,6 +796,8 @@ int wil_vring_init_bcast(struct wil6210_priv *wil, int id, int size)
cmd.vring_cfg.tx_sw_ring.ring_mem_base = cpu_to_le64(vring->pa);
if (!wil->privacy)
txdata->dot1x_open = true;
rc = wmi_call(wil, WMI_BCAST_VRING_CFG_CMDID, &cmd, sizeof(cmd),
WMI_VRING_CFG_DONE_EVENTID, &reply, sizeof(reply), 100);
if (rc)
@ -809,6 +815,8 @@ int wil_vring_init_bcast(struct wil6210_priv *wil, int id, int size)
return 0;
out_free:
txdata->enabled = 0;
txdata->dot1x_open = false;
wil_vring_free(wil, vring, 1);
out:
@ -828,6 +836,7 @@ void wil_vring_fini_tx(struct wil6210_priv *wil, int id)
wil_dbg_misc(wil, "%s() id=%d\n", __func__, id);
spin_lock_bh(&txdata->lock);
txdata->dot1x_open = false;
txdata->enabled = 0; /* no Tx can be in progress or start anew */
spin_unlock_bh(&txdata->lock);
/* make sure NAPI won't touch this vring */
@ -848,12 +857,11 @@ static struct vring *wil_find_tx_ucast(struct wil6210_priv *wil,
if (cid < 0)
return NULL;
if (!wil->sta[cid].data_port_open &&
(skb->protocol != cpu_to_be16(ETH_P_PAE)))
return NULL;
/* TODO: fix for multiple TID */
for (i = 0; i < ARRAY_SIZE(wil->vring2cid_tid); i++) {
if (!wil->vring_tx_data[i].dot1x_open &&
(skb->protocol != cpu_to_be16(ETH_P_PAE)))
continue;
if (wil->vring2cid_tid[i][0] == cid) {
struct vring *v = &wil->vring_tx[i];
@ -883,7 +891,7 @@ static struct vring *wil_find_tx_vring_sta(struct wil6210_priv *wil,
/* In the STA mode, it is expected to have only 1 VRING
* for the AP we connected to.
* find 1-st vring and see whether it is eligible for data
* find 1-st vring eligible for this skb and use it.
*/
for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) {
v = &wil->vring_tx[i];
@ -894,9 +902,9 @@ static struct vring *wil_find_tx_vring_sta(struct wil6210_priv *wil,
if (cid >= WIL6210_MAX_CID) /* skip BCAST */
continue;
if (!wil->sta[cid].data_port_open &&
if (!wil->vring_tx_data[i].dot1x_open &&
(skb->protocol != cpu_to_be16(ETH_P_PAE)))
break;
continue;
wil_dbg_txrx(wil, "Tx -> ring %d\n", i);
@ -918,7 +926,6 @@ static struct vring *wil_find_tx_vring_sta(struct wil6210_priv *wil,
* in all cases override dest address to unicast peer's address
* Use old strategy when new is not supported yet:
* - for PBSS
* - for secure link
*/
static struct vring *wil_find_tx_bcast_1(struct wil6210_priv *wil,
struct sk_buff *skb)
@ -931,6 +938,9 @@ static struct vring *wil_find_tx_bcast_1(struct wil6210_priv *wil,
v = &wil->vring_tx[i];
if (!v->va)
return NULL;
if (!wil->vring_tx_data[i].dot1x_open &&
(skb->protocol != cpu_to_be16(ETH_P_PAE)))
return NULL;
return v;
}
@ -963,7 +973,8 @@ static struct vring *wil_find_tx_bcast_2(struct wil6210_priv *wil,
cid = wil->vring2cid_tid[i][0];
if (cid >= WIL6210_MAX_CID) /* skip BCAST */
continue;
if (!wil->sta[cid].data_port_open)
if (!wil->vring_tx_data[i].dot1x_open &&
(skb->protocol != cpu_to_be16(ETH_P_PAE)))
continue;
/* don't Tx back to source when re-routing Rx->Tx at the AP */
@ -989,7 +1000,8 @@ static struct vring *wil_find_tx_bcast_2(struct wil6210_priv *wil,
cid = wil->vring2cid_tid[i][0];
if (cid >= WIL6210_MAX_CID) /* skip BCAST */
continue;
if (!wil->sta[cid].data_port_open)
if (!wil->vring_tx_data[i].dot1x_open &&
(skb->protocol != cpu_to_be16(ETH_P_PAE)))
continue;
if (0 == memcmp(wil->sta[cid].addr, src, ETH_ALEN))
@ -1016,9 +1028,6 @@ static struct vring *wil_find_tx_bcast(struct wil6210_priv *wil,
if (wdev->iftype != NL80211_IFTYPE_AP)
return wil_find_tx_bcast_2(wil, skb);
if (wil->privacy)
return wil_find_tx_bcast_2(wil, skb);
return wil_find_tx_bcast_1(wil, skb);
}
@ -1144,13 +1153,8 @@ static int __wil_tx_vring(struct wil6210_priv *wil, struct vring *vring,
wil_tx_desc_map(d, pa, len, vring_index);
if (unlikely(mcast)) {
d->mac.d[0] |= BIT(MAC_CFG_DESC_TX_0_MCS_EN_POS); /* MCS 0 */
if (unlikely(len > WIL_BCAST_MCS0_LIMIT)) {
/* set MCS 1 */
if (unlikely(len > WIL_BCAST_MCS0_LIMIT)) /* set MCS 1 */
d->mac.d[0] |= (1 << MAC_CFG_DESC_TX_0_MCS_INDEX_POS);
/* packet mode 2 */
d->mac.d[1] |= BIT(MAC_CFG_DESC_TX_1_PKT_MODE_EN_POS) |
(2 << MAC_CFG_DESC_TX_1_PKT_MODE_POS);
}
}
/* Process TCP/UDP checksum offloading */
if (unlikely(wil_tx_desc_offload_cksum_set(wil, d, skb))) {

22
drivers/net/wireless/ath/wil6210/txrx.h
View File

@ -384,19 +384,27 @@ struct vring_rx_mac {
* [word 7] length
*/
#define RX_DMA_D0_CMD_DMA_IT BIT(10)
#define RX_DMA_D0_CMD_DMA_EOP BIT(8)
#define RX_DMA_D0_CMD_DMA_RT BIT(9) /* always 1 */
#define RX_DMA_D0_CMD_DMA_IT BIT(10) /* interrupt */
/* Error field, offload bits */
#define RX_DMA_ERROR_L3_ERR BIT(4)
#define RX_DMA_ERROR_L4_ERR BIT(5)
/* Error field */
#define RX_DMA_ERROR_FCS BIT(0)
#define RX_DMA_ERROR_MIC BIT(1)
#define RX_DMA_ERROR_KEY BIT(2) /* Key missing */
#define RX_DMA_ERROR_REPLAY BIT(3)
#define RX_DMA_ERROR_L3_ERR BIT(4)
#define RX_DMA_ERROR_L4_ERR BIT(5)
/* Status field */
#define RX_DMA_STATUS_DU BIT(0)
#define RX_DMA_STATUS_ERROR BIT(2)
#define RX_DMA_STATUS_DU BIT(0)
#define RX_DMA_STATUS_EOP BIT(1)
#define RX_DMA_STATUS_ERROR BIT(2)
#define RX_DMA_STATUS_MI BIT(3) /* MAC Interrupt is asserted */
#define RX_DMA_STATUS_L3I BIT(4)
#define RX_DMA_STATUS_L4I BIT(5)
#define RX_DMA_STATUS_PHY_INFO BIT(6)
#define RX_DMA_STATUS_FFM BIT(7) /* EtherType Flex Filter Match */
struct vring_rx_dma {
u32 d0;

24
drivers/net/wireless/ath/wil6210/wil6210.h
View File

@ -21,6 +21,7 @@
#include <linux/wireless.h>
#include <net/cfg80211.h>
#include <linux/timex.h>
#include <linux/types.h>
#include "wil_platform.h"
extern bool no_fw_recovery;
@ -29,10 +30,11 @@ extern unsigned short rx_ring_overflow_thrsh;
extern int agg_wsize;
extern u32 vring_idle_trsh;
extern bool rx_align_2;
extern bool debug_fw;
#define WIL_NAME "wil6210"
#define WIL_FW_NAME "wil6210.fw" /* code */
#define WIL_FW2_NAME "wil6210.board" /* board & radio parameters */
#define WIL_FW2_NAME "wil6210.brd" /* board & radio parameters */
#define WIL_MAX_BUS_REQUEST_KBPS 800000 /* ~6.1Gbps */
@ -396,6 +398,7 @@ struct vring {
* Additional data for Tx Vring
*/
struct vring_tx_data {
bool dot1x_open;
int enabled;
cycles_t idle, last_idle, begin;
u8 agg_wsize; /* agreed aggregation window, 0 - no agg */
@ -484,7 +487,6 @@ struct wil_sta_info {
u8 addr[ETH_ALEN];
enum wil_sta_status status;
struct wil_net_stats stats;
bool data_port_open; /* can send any data, not only EAPOL */
/* Rx BACK */
struct wil_tid_ampdu_rx *tid_rx[WIL_STA_TID_NUM];
spinlock_t tid_rx_lock; /* guarding tid_rx array */
@ -526,6 +528,17 @@ struct wil_probe_client_req {
u8 cid;
};
struct pmc_ctx {
/* alloc, free, and read operations must own the lock */
struct mutex lock;
struct vring_tx_desc *pring_va;
dma_addr_t pring_pa;
struct desc_alloc_info *descriptors;
int last_cmd_status;
int num_descriptors;
int descriptor_size;
};
struct wil6210_priv {
struct pci_dev *pdev;
int n_msi;
@ -610,6 +623,8 @@ struct wil6210_priv {
void *platform_handle;
struct wil_platform_ops platform_ops;
struct pmc_ctx pmc;
};
#define wil_to_wiphy(i) (i->wdev->wiphy)
@ -701,9 +716,10 @@ int wmi_get_ssid(struct wil6210_priv *wil, u8 *ssid_len, void *ssid);
int wmi_set_channel(struct wil6210_priv *wil, int channel);
int wmi_get_channel(struct wil6210_priv *wil, int *channel);
int wmi_del_cipher_key(struct wil6210_priv *wil, u8 key_index,
const void *mac_addr);
const void *mac_addr, int key_usage);
int wmi_add_cipher_key(struct wil6210_priv *wil, u8 key_index,
const void *mac_addr, int key_len, const void *key);
const void *mac_addr, int key_len, const void *key,
int key_usage);
int wmi_echo(struct wil6210_priv *wil);
int wmi_set_ie(struct wil6210_priv *wil, u8 type, u16 ie_len, const void *ie);
int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring);

70
drivers/net/wireless/ath/wil6210/wmi.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2012-2014 Qualcomm Atheros, Inc.
* Copyright (c) 2012-2015 Qualcomm Atheros, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@ -543,55 +543,22 @@ static void wmi_evt_eapol_rx(struct wil6210_priv *wil, int id,
}
}
static void wil_addba_tx_cid(struct wil6210_priv *wil, u8 cid, u16 wsize)
static void wmi_evt_vring_en(struct wil6210_priv *wil, int id, void *d, int len)
{
struct vring_tx_data *t;
int i;
struct wmi_vring_en_event *evt = d;
u8 vri = evt->vring_index;
for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) {
if (cid != wil->vring2cid_tid[i][0])
continue;
t = &wil->vring_tx_data[i];
if (!t->enabled)
continue;
wil_dbg_wmi(wil, "Enable vring %d\n", vri);
wil_addba_tx_request(wil, i, wsize);
}
}
static void wmi_evt_linkup(struct wil6210_priv *wil, int id, void *d, int len)
{
struct wmi_data_port_open_event *evt = d;
u8 cid = evt->cid;
wil_dbg_wmi(wil, "Link UP for CID %d\n", cid);
if (cid >= ARRAY_SIZE(wil->sta)) {
wil_err(wil, "Link UP for invalid CID %d\n", cid);
if (vri >= ARRAY_SIZE(wil->vring_tx)) {
wil_err(wil, "Enable for invalid vring %d\n", vri);
return;
}
wil->sta[cid].data_port_open = true;
wil->vring_tx_data[vri].dot1x_open = true;
if (vri == wil->bcast_vring) /* no BA for bcast */
return;
if (agg_wsize >= 0)
wil_addba_tx_cid(wil, cid, agg_wsize);
}
static void wmi_evt_linkdown(struct wil6210_priv *wil, int id, void *d, int len)
{
struct net_device *ndev = wil_to_ndev(wil);
struct wmi_wbe_link_down_event *evt = d;
u8 cid = evt->cid;
wil_dbg_wmi(wil, "Link DOWN for CID %d, reason %d\n",
cid, le32_to_cpu(evt->reason));
if (cid >= ARRAY_SIZE(wil->sta)) {
wil_err(wil, "Link DOWN for invalid CID %d\n", cid);
return;
}
wil->sta[cid].data_port_open = false;
netif_carrier_off(ndev);
wil_addba_tx_request(wil, vri, agg_wsize);
}
static void wmi_evt_ba_status(struct wil6210_priv *wil, int id, void *d,
@ -695,11 +662,10 @@ static const struct {
{WMI_CONNECT_EVENTID, wmi_evt_connect},
{WMI_DISCONNECT_EVENTID, wmi_evt_disconnect},
{WMI_EAPOL_RX_EVENTID, wmi_evt_eapol_rx},
{WMI_DATA_PORT_OPEN_EVENTID, wmi_evt_linkup},
{WMI_WBE_LINKDOWN_EVENTID, wmi_evt_linkdown},
{WMI_BA_STATUS_EVENTID, wmi_evt_ba_status},
{WMI_RCP_ADDBA_REQ_EVENTID, wmi_evt_addba_rx_req},
{WMI_DELBA_EVENTID, wmi_evt_delba},
{WMI_VRING_EN_EVENTID, wmi_evt_vring_en},
};
/*
@ -844,7 +810,7 @@ int wmi_echo(struct wil6210_priv *wil)
};
return wmi_call(wil, WMI_ECHO_CMDID, &cmd, sizeof(cmd),
WMI_ECHO_RSP_EVENTID, NULL, 0, 20);
WMI_ECHO_RSP_EVENTID, NULL, 0, 50);
}
int wmi_set_mac_address(struct wil6210_priv *wil, void *addr)
@ -985,7 +951,7 @@ int wmi_p2p_cfg(struct wil6210_priv *wil, int channel)
}
int wmi_del_cipher_key(struct wil6210_priv *wil, u8 key_index,
const void *mac_addr)
const void *mac_addr, int key_usage)
{
struct wmi_delete_cipher_key_cmd cmd = {
.key_index = key_index,
@ -998,11 +964,12 @@ int wmi_del_cipher_key(struct wil6210_priv *wil, u8 key_index,
}
int wmi_add_cipher_key(struct wil6210_priv *wil, u8 key_index,
const void *mac_addr, int key_len, const void *key)
const void *mac_addr, int key_len, const void *key,
int key_usage)
{
struct wmi_add_cipher_key_cmd cmd = {
.key_index = key_index,
.key_usage = WMI_KEY_USE_PAIRWISE,
.key_usage = key_usage,
.key_len = key_len,
};
@ -1238,7 +1205,8 @@ int wmi_addba_rx_resp(struct wil6210_priv *wil, u8 cid, u8 tid, u8 token,
cid, tid, agg_wsize, timeout, status, amsdu ? "+" : "-");
rc = wmi_call(wil, WMI_RCP_ADDBA_RESP_CMDID, &cmd, sizeof(cmd),
WMI_ADDBA_RESP_SENT_EVENTID, &reply, sizeof(reply), 100);
WMI_RCP_ADDBA_RESP_SENT_EVENTID, &reply, sizeof(reply),
100);
if (rc)
return rc;

40
drivers/net/wireless/ath/wil6210/wmi.h
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2012-2014 Qualcomm Atheros, Inc.
* Copyright (c) 2012-2015 Qualcomm Atheros, Inc.
* Copyright (c) 2006-2012 Wilocity .
*
* Permission to use, copy, modify, and/or distribute this software for any
@ -253,8 +253,8 @@ struct wmi_set_passphrase_cmd {
*/
enum wmi_key_usage {
WMI_KEY_USE_PAIRWISE = 0,
WMI_KEY_USE_GROUP = 1,
WMI_KEY_USE_TX = 2, /* default Tx Key - Static WEP only */
WMI_KEY_USE_RX_GROUP = 1,
WMI_KEY_USE_TX_GROUP = 2,
};
struct wmi_add_cipher_key_cmd {
@ -835,6 +835,21 @@ struct wmi_temp_sense_cmd {
__le32 measure_mode;
} __packed;
/*
* WMI_PMC_CMDID
*/
enum wmi_pmc_op_e {
WMI_PMC_ALLOCATE = 0,
WMI_PMC_RELEASE = 1,
};
struct wmi_pmc_cmd {
u8 op; /* enum wmi_pmc_cmd_op_type */
u8 reserved;
__le16 ring_size;
__le64 mem_base;
} __packed;
/*
* WMI Events
*/
@ -870,7 +885,7 @@ enum wmi_event_id {
WMI_VRING_CFG_DONE_EVENTID = 0x1821,
WMI_BA_STATUS_EVENTID = 0x1823,
WMI_RCP_ADDBA_REQ_EVENTID = 0x1824,
WMI_ADDBA_RESP_SENT_EVENTID = 0x1825,
WMI_RCP_ADDBA_RESP_SENT_EVENTID = 0x1825,
WMI_DELBA_EVENTID = 0x1826,
WMI_GET_SSID_EVENTID = 0x1828,
WMI_GET_PCP_CHANNEL_EVENTID = 0x182a,
@ -882,7 +897,7 @@ enum wmi_event_id {
WMI_WRITE_MAC_TXQ_EVENTID = 0x1833,
WMI_WRITE_MAC_XQ_FIELD_EVENTID = 0x1834,
WMI_BEAFORMING_MGMT_DONE_EVENTID = 0x1836,
WMI_BEAMFORMING_MGMT_DONE_EVENTID = 0x1836,
WMI_BF_TXSS_MGMT_DONE_EVENTID = 0x1837,
WMI_BF_RXSS_MGMT_DONE_EVENTID = 0x1839,
WMI_RS_MGMT_DONE_EVENTID = 0x1852,
@ -894,11 +909,12 @@ enum wmi_event_id {
/* Performance monitoring events */
WMI_DATA_PORT_OPEN_EVENTID = 0x1860,
WMI_WBE_LINKDOWN_EVENTID = 0x1861,
WMI_WBE_LINK_DOWN_EVENTID = 0x1861,
WMI_BF_CTRL_DONE_EVENTID = 0x1862,
WMI_NOTIFY_REQ_DONE_EVENTID = 0x1863,
WMI_GET_STATUS_DONE_EVENTID = 0x1864,
WMI_VRING_EN_EVENTID = 0x1865,
WMI_UNIT_TEST_EVENTID = 0x1900,
WMI_FLASH_READ_DONE_EVENTID = 0x1902,
@ -1147,7 +1163,7 @@ struct wmi_vring_cfg_done_event {
} __packed;
/*
* WMI_ADDBA_RESP_SENT_EVENTID
* WMI_RCP_ADDBA_RESP_SENT_EVENTID
*/
struct wmi_rcp_addba_resp_sent_event {
u8 cidxtid;
@ -1179,7 +1195,7 @@ struct wmi_cfg_rx_chain_done_event {
} __packed;
/*
* WMI_WBE_LINKDOWN_EVENTID
* WMI_WBE_LINK_DOWN_EVENTID
*/
enum wmi_wbe_link_down_event_reason {
WMI_WBE_REASON_USER_REQUEST = 0,
@ -1201,6 +1217,14 @@ struct wmi_data_port_open_event {
u8 reserved[3];
} __packed;
/*
* WMI_VRING_EN_EVENTID
*/
struct wmi_vring_en_event {
u8 vring_index;
u8 reserved[3];
} __packed;
/*
* WMI_GET_PCP_CHANNEL_EVENTID
*/