diff options
| author | Sara Sharon <sara.sharon@intel.com> | 2016-02-15 18:26:48 +0300 |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2016-02-27 23:00:06 +0300 |
| commit | 88076015f80f7645b1eaada6291f4a23ab96bd8f (patch) | |
| tree | f1075a0190648caa1537749b3d02fe0d0f981c55 /drivers/net/wireless/intel/iwlwifi/pcie/rx.c | |
| parent | 3af512d6aac7eb6420086f124abb4426f5f4b369 (diff) | |
| download | linux-88076015f80f7645b1eaada6291f4a23ab96bd8f.tar.xz | |
iwlwifi: pcie: configure more RFH settings
Fine tune RFH registers further:
* Set default queue explicitly
* Set RFH to drop frames exceeding RB size
* Set the maximum rx transfer size to DRAM to 128 instead of 64
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/rx.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/rx.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c index c0db681d66d1..398dd9332345 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c @@ -783,16 +783,26 @@ static void iwl_pcie_rx_mq_hw_init(struct iwl_trans *trans) * Single frame mode * Rx buffer size 4 or 8k or 12k * Min RB size 4 or 8 + * Drop frames that exceed RB size * 512 RBDs */ iwl_write_prph(trans, RFH_RXF_DMA_CFG, RFH_DMA_EN_ENABLE_VAL | rb_size | RFH_RXF_DMA_SINGLE_FRAME_MASK | RFH_RXF_DMA_MIN_RB_4_8 | + RFH_RXF_DMA_DROP_TOO_LARGE_MASK | RFH_RXF_DMA_RBDCB_SIZE_512); + /* + * Activate DMA snooping. + * Set RX DMA chunk size to 128 bit + * Default queue is 0 + */ iwl_write_prph(trans, RFH_GEN_CFG, RFH_GEN_CFG_RFH_DMA_SNOOP | - RFH_GEN_CFG_SERVICE_DMA_SNOOP); + RFH_GEN_CFG_RB_CHUNK_SIZE | + (DEFAULT_RXQ_NUM << RFH_GEN_CFG_DEFAULT_RXQ_NUM_POS) | + RFH_GEN_CFG_SERVICE_DMA_SNOOP); + /* Enable the relevant rx queues */ iwl_write_prph(trans, RFH_RXF_RXQ_ACTIVE, enabled); /* Set interrupt coalescing timer to default (2048 usecs) */ |