diff options
| author | Kalle Valo <kvalo@codeaurora.org> | 2015-04-07 19:55:57 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2015-04-07 19:55:57 +0300 |
| commit | 6dcaac59d08b77d5730f2ae824bca1c0bf8130dc (patch) | |
| tree | 5d01321c7ceedb7a9a294ac20dadee372b301d0b /drivers/net/wireless/iwlwifi/mvm/tx.c | |
| parent | 7abccdba25be45630eede85053496f1f48d36ec8 (diff) | |
| parent | 31755207afc5d5a30e3eea9e4f2a518fc5b680c1 (diff) | |
Merge tag 'iwlwifi-next-for-kalle-2015-04-02' of https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
* some more work on LAR
* fixes for UMAC scan
* more work on debugging framework
* more work for 8000 devices
* cleanups and small bugfixes
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/tx.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/tx.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c index ba34dda1ae36..ef32e177f662 100644 --- a/drivers/net/wireless/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/iwlwifi/mvm/tx.c @@ -1049,6 +1049,14 @@ out: return 0; } +/* + * Note that there are transports that buffer frames before they reach + * the firmware. This means that after flush_tx_path is called, the + * queue might not be empty. The race-free way to handle this is to: + * 1) set the station as draining + * 2) flush the Tx path + * 3) wait for the transport queues to be empty + */ int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync) { int ret; |