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| author | Sujith Manoharan <Sujith.Manoharan@atheros.com> | 2011-04-13 11:26:39 +0530 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-04-13 15:24:30 -0400 |
| commit | 859c3ca1e4608615788dc6cbc199210fe4b5efa2 (patch) | |
| tree | 523b8939326f1c8605b037201142f73816cdee37 /drivers/net/wireless/ath/ath9k/wmi.h | |
| parent | c4d04186c7023d54445b695da226b3e98e0a55f9 (diff) | |
| download | kernel_samsung_smdk4412-859c3ca1e4608615788dc6cbc199210fe4b5efa2.zip kernel_samsung_smdk4412-859c3ca1e4608615788dc6cbc199210fe4b5efa2.tar.gz kernel_samsung_smdk4412-859c3ca1e4608615788dc6cbc199210fe4b5efa2.tar.bz2 | |
ath9k_htc: Add a timer to cleanup WMI events
Occasionally, a WMI event would arrive ahead of the TX
URB completion handler. Discarding these events would exhaust
the available TX slots, so handle them by running a timer
cleaning up such events. Also, timeout packets for which TX
completion events have not arrived.
Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/wmi.h')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/wmi.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/wmi.h b/drivers/net/wireless/ath/ath9k/wmi.h index 44b1738..310d94e 100644 --- a/drivers/net/wireless/ath/ath9k/wmi.h +++ b/drivers/net/wireless/ath/ath9k/wmi.h @@ -130,6 +130,12 @@ struct register_write { __be32 val; }; +struct ath9k_htc_tx_event { + int count; + struct __wmi_event_txstatus txs; + struct list_head list; +}; + struct wmi { struct ath9k_htc_priv *drv_priv; struct htc_target *htc; @@ -144,6 +150,9 @@ struct wmi { u32 cmd_rsp_len; bool stopped; + struct list_head pending_tx_events; + spinlock_t event_lock; + spinlock_t wmi_lock; atomic_t mwrite_cnt; |