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authorKalle Valo <kvalo@codeaurora.org>2016-01-07 23:54:46 +0300
committerKalle Valo <kvalo@codeaurora.org>2016-01-07 23:54:46 +0300
commit236c52cac41a9168525bf7c22accdd12f8069a35 (patch)
tree17cbf857cf8614e36df8b117dfa3eaa654dcd79f /drivers/net/wireless
parent7683fe016c010a20b5f2d88b7d8dad198506f5f7 (diff)
parent9d5db23eecdb001ac26610d7a87ccdea566feee9 (diff)
downloadlinux-236c52cac41a9168525bf7c22accdd12f8069a35.tar.xz
Merge ath-next from ath.git
No major changes to list.
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/ath/ath10k/mac.c3
-rw-r--r--drivers/net/wireless/ath/ath10k/pci.c38
-rw-r--r--drivers/net/wireless/ath/ath9k/eeprom.c2
-rw-r--r--drivers/net/wireless/ath/ath9k/htc_drv_main.c2
-rw-r--r--drivers/net/wireless/ath/ath9k/init.c1
-rw-r--r--drivers/net/wireless/ath/wcn36xx/dxe.c43
-rw-r--r--drivers/net/wireless/ath/wil6210/interrupt.c8
-rw-r--r--drivers/net/wireless/ath/wil6210/main.c2
-rw-r--r--drivers/net/wireless/ath/wil6210/pcie_bus.c30
-rw-r--r--drivers/net/wireless/ath/wil6210/rx_reorder.c12
-rw-r--r--drivers/net/wireless/ath/wil6210/wil6210.h1
-rw-r--r--drivers/net/wireless/ath/wil6210/wil_crash_dump.c3
-rw-r--r--drivers/net/wireless/ath/wil6210/wil_platform.c3
-rw-r--r--drivers/net/wireless/ath/wil6210/wil_platform.h38
14 files changed, 129 insertions, 57 deletions
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index b4bdeb07a012..6146a293601a 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -3860,7 +3860,8 @@ static struct ieee80211_sta_ht_cap ath10k_get_ht_cap(struct ath10k *ar)
ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_8;
ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
- ht_cap.cap |= WLAN_HT_CAP_SM_PS_STATIC << IEEE80211_HT_CAP_SM_PS_SHIFT;
+ ht_cap.cap |=
+ WLAN_HT_CAP_SM_PS_DISABLED << IEEE80211_HT_CAP_SM_PS_SHIFT;
if (ar->ht_cap_info & WMI_HT_CAP_HT20_SGI)
ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
index 14fd73ec1c96..ee925c618535 100644
--- a/drivers/net/wireless/ath/ath10k/pci.c
+++ b/drivers/net/wireless/ath/ath10k/pci.c
@@ -487,6 +487,9 @@ static int ath10k_pci_force_wake(struct ath10k *ar)
unsigned long flags;
int ret = 0;
+ if (ar_pci->pci_ps)
+ return ret;
+
spin_lock_irqsave(&ar_pci->ps_lock, flags);
if (!ar_pci->ps_awake) {
@@ -2480,12 +2483,10 @@ static int ath10k_pci_hif_resume(struct ath10k *ar)
u32 val;
int ret = 0;
- if (ar_pci->pci_ps == 0) {
- ret = ath10k_pci_force_wake(ar);
- if (ret) {
- ath10k_err(ar, "failed to wake up target: %d\n", ret);
- return ret;
- }
+ ret = ath10k_pci_force_wake(ar);
+ if (ret) {
+ ath10k_err(ar, "failed to wake up target: %d\n", ret);
+ return ret;
}
/* Suspend/Resume resets the PCI configuration space, so we have to
@@ -2592,13 +2593,10 @@ static irqreturn_t ath10k_pci_interrupt_handler(int irq, void *arg)
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
int ret;
- if (ar_pci->pci_ps == 0) {
- ret = ath10k_pci_force_wake(ar);
- if (ret) {
- ath10k_warn(ar, "failed to wake device up on irq: %d\n",
- ret);
- return IRQ_NONE;
- }
+ ret = ath10k_pci_force_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) {
@@ -3071,17 +3069,15 @@ static int ath10k_pci_probe(struct pci_dev *pdev,
goto err_sleep;
}
+ ret = ath10k_pci_force_wake(ar);
+ if (ret) {
+ ath10k_warn(ar, "failed to wake up device : %d\n", ret);
+ goto err_free_pipes;
+ }
+
ath10k_pci_ce_deinit(ar);
ath10k_pci_irq_disable(ar);
- if (ar_pci->pci_ps == 0) {
- ret = ath10k_pci_force_wake(ar);
- if (ret) {
- ath10k_warn(ar, "failed to wake up device : %d\n", ret);
- goto err_free_pipes;
- }
- }
-
ret = ath10k_pci_init_irq(ar);
if (ret) {
ath10k_err(ar, "failed to init irqs: %d\n", ret);
diff --git a/drivers/net/wireless/ath/ath9k/eeprom.c b/drivers/net/wireless/ath/ath9k/eeprom.c
index f8c5065e5f5f..a7afdeee698c 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom.c
@@ -206,7 +206,7 @@ bool ath9k_hw_nvram_check_version(struct ath_hw *ah, int version, int minrev)
ath_err(common, "Bad EEPROM VER 0x%04x or REV 0x%04x\n",
ah->eep_ops->get_eeprom_ver(ah),
ah->eep_ops->get_eeprom_rev(ah));
- return -EINVAL;
+ return false;
}
return true;
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index a680a970b7f7..fe1fd1a5ae15 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -834,7 +834,7 @@ void ath9k_htc_ani_work(struct work_struct *work)
if (longcal || shortcal)
common->ani.caldone =
ath9k_hw_calibrate(ah, ah->curchan,
- ah->rxchainmask, longcal);
+ ah->rxchainmask, longcal) > 0;
ath9k_htc_ps_restore(priv);
}
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index 2e2b92ba96b8..ab7a1ac37849 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -828,6 +828,7 @@ static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
ieee80211_hw_set(hw, RX_INCLUDES_FCS);
ieee80211_hw_set(hw, HOST_BROADCAST_PS_BUFFERING);
ieee80211_hw_set(hw, SUPPORT_FAST_XMIT);
+ ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS);
if (ath9k_ps_enable)
ieee80211_hw_set(hw, SUPPORTS_PS);
diff --git a/drivers/net/wireless/ath/wcn36xx/dxe.c b/drivers/net/wireless/ath/wcn36xx/dxe.c
index f8dfa05b290a..8643801f31b6 100644
--- a/drivers/net/wireless/ath/wcn36xx/dxe.c
+++ b/drivers/net/wireless/ath/wcn36xx/dxe.c
@@ -474,36 +474,37 @@ static int wcn36xx_rx_handle_packets(struct wcn36xx *wcn,
struct wcn36xx_dxe_desc *dxe = ctl->desc;
dma_addr_t dma_addr;
struct sk_buff *skb;
+ int ret = 0, int_mask;
+ u32 value;
+
+ if (ch->ch_type == WCN36XX_DXE_CH_RX_L) {
+ value = WCN36XX_DXE_CTRL_RX_L;
+ int_mask = WCN36XX_DXE_INT_CH1_MASK;
+ } else {
+ value = WCN36XX_DXE_CTRL_RX_H;
+ int_mask = WCN36XX_DXE_INT_CH3_MASK;
+ }
while (!(dxe->ctrl & WCN36XX_DXE_CTRL_VALID_MASK)) {
skb = ctl->skb;
dma_addr = dxe->dst_addr_l;
- wcn36xx_dxe_fill_skb(wcn->dev, ctl);
-
- switch (ch->ch_type) {
- case WCN36XX_DXE_CH_RX_L:
- dxe->ctrl = WCN36XX_DXE_CTRL_RX_L;
- wcn36xx_dxe_write_register(wcn, WCN36XX_DXE_ENCH_ADDR,
- WCN36XX_DXE_INT_CH1_MASK);
- break;
- case WCN36XX_DXE_CH_RX_H:
- dxe->ctrl = WCN36XX_DXE_CTRL_RX_H;
- wcn36xx_dxe_write_register(wcn, WCN36XX_DXE_ENCH_ADDR,
- WCN36XX_DXE_INT_CH3_MASK);
- break;
- default:
- wcn36xx_warn("Unknown channel\n");
- }
-
- dma_unmap_single(wcn->dev, dma_addr, WCN36XX_PKT_SIZE,
- DMA_FROM_DEVICE);
- wcn36xx_rx_skb(wcn, skb);
+ ret = wcn36xx_dxe_fill_skb(wcn->dev, ctl);
+ if (0 == ret) {
+ /* new skb allocation ok. Use the new one and queue
+ * the old one to network system.
+ */
+ dma_unmap_single(wcn->dev, dma_addr, WCN36XX_PKT_SIZE,
+ DMA_FROM_DEVICE);
+ wcn36xx_rx_skb(wcn, skb);
+ } /* else keep old skb not submitted and use it for rx DMA */
+
+ dxe->ctrl = value;
ctl = ctl->next;
dxe = ctl->desc;
}
+ wcn36xx_dxe_write_register(wcn, WCN36XX_DXE_ENCH_ADDR, int_mask);
ch->head_blk_ctl = ctl;
-
return 0;
}
diff --git a/drivers/net/wireless/ath/wil6210/interrupt.c b/drivers/net/wireless/ath/wil6210/interrupt.c
index 50c136e843c4..4f2ffa5c6e17 100644
--- a/drivers/net/wireless/ath/wil6210/interrupt.c
+++ b/drivers/net/wireless/ath/wil6210/interrupt.c
@@ -394,9 +394,13 @@ static irqreturn_t wil6210_irq_misc_thread(int irq, void *cookie)
wil_fw_core_dump(wil);
wil_notify_fw_error(wil);
isr &= ~ISR_MISC_FW_ERROR;
- wil_fw_error_recovery(wil);
+ if (wil->platform_ops.notify_crash) {
+ wil_err(wil, "notify platform driver about FW crash");
+ wil->platform_ops.notify_crash(wil->platform_handle);
+ } else {
+ wil_fw_error_recovery(wil);
+ }
}
-
if (isr & ISR_MISC_MBOX_EVT) {
wil_dbg_irq(wil, "MBOX event\n");
wmi_recv_cmd(wil);
diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c
index 09b4daebab9d..b39f0bfc591e 100644
--- a/drivers/net/wireless/ath/wil6210/main.c
+++ b/drivers/net/wireless/ath/wil6210/main.c
@@ -987,7 +987,7 @@ int __wil_down(struct wil6210_priv *wil)
}
mutex_lock(&wil->mutex);
- if (!iter)
+ if (iter < 0)
wil_err(wil, "timeout waiting for idle FW/HW\n");
wil_reset(wil, false);
diff --git a/drivers/net/wireless/ath/wil6210/pcie_bus.c b/drivers/net/wireless/ath/wil6210/pcie_bus.c
index 1a3142c332e1..e36f2a0c8cb6 100644
--- a/drivers/net/wireless/ath/wil6210/pcie_bus.c
+++ b/drivers/net/wireless/ath/wil6210/pcie_bus.c
@@ -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
@@ -125,11 +125,37 @@ static int wil_if_pcie_disable(struct wil6210_priv *wil)
return 0;
}
+static int wil_platform_rop_ramdump(void *wil_handle, void *buf, uint32_t size)
+{
+ struct wil6210_priv *wil = wil_handle;
+
+ if (!wil)
+ return -EINVAL;
+
+ return wil_fw_copy_crash_dump(wil, buf, size);
+}
+
+static int wil_platform_rop_fw_recovery(void *wil_handle)
+{
+ struct wil6210_priv *wil = wil_handle;
+
+ if (!wil)
+ return -EINVAL;
+
+ wil_fw_error_recovery(wil);
+
+ return 0;
+}
+
static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct wil6210_priv *wil;
struct device *dev = &pdev->dev;
int rc;
+ const struct wil_platform_rops rops = {
+ .ramdump = wil_platform_rop_ramdump,
+ .fw_recovery = wil_platform_rop_fw_recovery,
+ };
/* check HW */
dev_info(&pdev->dev, WIL_NAME
@@ -154,7 +180,7 @@ static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id)
/* rollback to if_free */
wil->platform_handle =
- wil_platform_init(&pdev->dev, &wil->platform_ops);
+ wil_platform_init(&pdev->dev, &wil->platform_ops, &rops, wil);
if (!wil->platform_handle) {
rc = -ENODEV;
wil_err(wil, "wil_platform_init failed\n");
diff --git a/drivers/net/wireless/ath/wil6210/rx_reorder.c b/drivers/net/wireless/ath/wil6210/rx_reorder.c
index e3d1be82f314..32031e7a11d5 100644
--- a/drivers/net/wireless/ath/wil6210/rx_reorder.c
+++ b/drivers/net/wireless/ath/wil6210/rx_reorder.c
@@ -261,9 +261,19 @@ struct wil_tid_ampdu_rx *wil_tid_ampdu_rx_alloc(struct wil6210_priv *wil,
void wil_tid_ampdu_rx_free(struct wil6210_priv *wil,
struct wil_tid_ampdu_rx *r)
{
+ int i;
+
if (!r)
return;
- wil_release_reorder_frames(wil, r, r->head_seq_num + r->buf_size);
+
+ /* Do not pass remaining frames to the network stack - it may be
+ * not expecting to get any more Rx. Rx from here may lead to
+ * kernel OOPS since some per-socket accounting info was already
+ * released.
+ */
+ for (i = 0; i < r->buf_size; i++)
+ kfree_skb(r->reorder_buf[i]);
+
kfree(r->reorder_buf);
kfree(r->reorder_time);
kfree(r);
diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h
index ade5f3b8274b..235e205ce2bc 100644
--- a/drivers/net/wireless/ath/wil6210/wil6210.h
+++ b/drivers/net/wireless/ath/wil6210/wil6210.h
@@ -828,6 +828,7 @@ int wil_can_suspend(struct wil6210_priv *wil, bool is_runtime);
int wil_suspend(struct wil6210_priv *wil, bool is_runtime);
int wil_resume(struct wil6210_priv *wil, bool is_runtime);
+int wil_fw_copy_crash_dump(struct wil6210_priv *wil, void *dest, u32 size);
void wil_fw_core_dump(struct wil6210_priv *wil);
#endif /* __WIL6210_H__ */
diff --git a/drivers/net/wireless/ath/wil6210/wil_crash_dump.c b/drivers/net/wireless/ath/wil6210/wil_crash_dump.c
index 7e70934990ae..b57d280946e0 100644
--- a/drivers/net/wireless/ath/wil6210/wil_crash_dump.c
+++ b/drivers/net/wireless/ath/wil6210/wil_crash_dump.c
@@ -51,8 +51,7 @@ static int wil_fw_get_crash_dump_bounds(struct wil6210_priv *wil,
return 0;
}
-static int wil_fw_copy_crash_dump(struct wil6210_priv *wil, void *dest,
- u32 size)
+int wil_fw_copy_crash_dump(struct wil6210_priv *wil, void *dest, u32 size)
{
int i;
const struct fw_map *map;
diff --git a/drivers/net/wireless/ath/wil6210/wil_platform.c b/drivers/net/wireless/ath/wil6210/wil_platform.c
index 2e831bf20117..4eed05bddb60 100644
--- a/drivers/net/wireless/ath/wil6210/wil_platform.c
+++ b/drivers/net/wireless/ath/wil6210/wil_platform.c
@@ -33,7 +33,8 @@ void wil_platform_modexit(void)
* It returns a handle which is used with the rest of the API
*
*/
-void *wil_platform_init(struct device *dev, struct wil_platform_ops *ops)
+void *wil_platform_init(struct device *dev, struct wil_platform_ops *ops,
+ const struct wil_platform_rops *rops, void *wil_handle)
{
void *handle = ops; /* to return some non-NULL for 'void' impl. */
diff --git a/drivers/net/wireless/ath/wil6210/wil_platform.h b/drivers/net/wireless/ath/wil6210/wil_platform.h
index d7fa19b7886d..9a949d910343 100644
--- a/drivers/net/wireless/ath/wil6210/wil_platform.h
+++ b/drivers/net/wireless/ath/wil6210/wil_platform.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2014 Qualcomm Atheros, Inc.
+ * Copyright (c) 2014-2015 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
@@ -20,16 +20,48 @@
struct device;
/**
- * struct wil_platform_ops - wil platform module callbacks
+ * struct wil_platform_ops - wil platform module calls from this
+ * driver to platform driver
*/
struct wil_platform_ops {
int (*bus_request)(void *handle, uint32_t kbps /* KBytes/Sec */);
int (*suspend)(void *handle);
int (*resume)(void *handle);
void (*uninit)(void *handle);
+ int (*notify_crash)(void *handle);
};
-void *wil_platform_init(struct device *dev, struct wil_platform_ops *ops);
+/**
+ * struct wil_platform_rops - wil platform module callbacks from
+ * platform driver to this driver
+ * @ramdump: store a ramdump from the wil firmware. The platform
+ * driver may add additional data to the ramdump to
+ * generate the final crash dump.
+ * @fw_recovery: start a firmware recovery process. Called as
+ * part of a crash recovery process which may include other
+ * related platform subsystems.
+ */
+struct wil_platform_rops {
+ int (*ramdump)(void *wil_handle, void *buf, uint32_t size);
+ int (*fw_recovery)(void *wil_handle);
+};
+
+/**
+ * wil_platform_init - initialize the platform driver
+ *
+ * @dev - pointer to the wil6210 device
+ * @ops - structure with platform driver operations. Platform
+ * driver will fill this structure with function pointers.
+ * @rops - structure with callbacks from platform driver to
+ * this driver. The platform driver copies the structure to
+ * its own storage. Can be NULL if this driver does not
+ * support crash recovery.
+ * @wil_handle - context for this driver that will be passed
+ * when platform driver invokes one of the callbacks in
+ * rops. May be NULL if rops is NULL.
+ */
+void *wil_platform_init(struct device *dev, struct wil_platform_ops *ops,
+ const struct wil_platform_rops *rops, void *wil_handle);
int __init wil_platform_modinit(void);
void wil_platform_modexit(void);