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| author | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2015-07-11 22:30:49 +0300 |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2015-07-12 19:54:19 +0300 |
| commit | 255ba06533f09875973d6b400f9c5b88065938df (patch) | |
| tree | e8f351a003ce4a1d8045ff27749d33174d15050a /drivers/net/wireless/iwlwifi/iwl-fh.h | |
| parent | 8465fe6ac5cc054a7969e78e56aea40cd7808540 (diff) | |
| download | linux-255ba06533f09875973d6b400f9c5b88065938df.tar.xz | |
Revert "iwlwifi: pcie: New RBD allocation model"
This reverts commit 5f17570354f91275b0a37a4da33d29a2ab57d32e.
This patch introduced a high latency in buffer allocation
under extreme load. This latency caused a firmwre crash.
The same scenario works fine with this patch reverted.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-fh.h')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-fh.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-fh.h b/drivers/net/wireless/iwlwifi/iwl-fh.h index d56064861a9c..d45dc021cda2 100644 --- a/drivers/net/wireless/iwlwifi/iwl-fh.h +++ b/drivers/net/wireless/iwlwifi/iwl-fh.h @@ -438,6 +438,12 @@ static inline unsigned int FH_MEM_CBBC_QUEUE(unsigned int chnl) #define RX_QUEUE_MASK 255 #define RX_QUEUE_SIZE_LOG 8 +/* + * RX related structures and functions + */ +#define RX_FREE_BUFFERS 64 +#define RX_LOW_WATERMARK 8 + /** * struct iwl_rb_status - reserve buffer status * host memory mapped FH registers |