diff options
| author | Shaul Triebitz <shaul.triebitz@intel.com> | 2018-05-10 17:40:44 +0300 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2018-09-28 08:57:27 +0300 |
| commit | 753e9761284b9b09120c21b155c7220605763522 (patch) | |
| tree | faea39e9b2b7bc75684306f8ffcca060cafc8047 /drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info.c | |
| parent | 034925cb5d7bed359c42b3519c1d3fab0a26d27b (diff) | |
| download | linux-753e9761284b9b09120c21b155c7220605763522.tar.bz2 | |
iwlwifi: pcie: set RB size according to user settings
RB size can be configured by user to be greater than 4K.
That's needed for monitor to capture big AMSDUs.
The firmware now enables different RB sizes configuration
via context info.
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info.c | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info.c b/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info.c index b2cd7ef5fc3a..6f45a0303ddd 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info.c @@ -162,7 +162,7 @@ int iwl_pcie_ctxt_info_init(struct iwl_trans *trans, struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_context_info *ctxt_info; struct iwl_context_info_rbd_cfg *rx_cfg; - u32 control_flags = 0; + u32 control_flags = 0, rb_size; int ret; ctxt_info = dma_alloc_coherent(trans->dev, sizeof(*ctxt_info), @@ -177,11 +177,29 @@ int iwl_pcie_ctxt_info_init(struct iwl_trans *trans, /* size is in DWs */ ctxt_info->version.size = cpu_to_le16(sizeof(*ctxt_info) / 4); + switch (trans_pcie->rx_buf_size) { + case IWL_AMSDU_2K: + rb_size = IWL_CTXT_INFO_RB_SIZE_2K; + break; + case IWL_AMSDU_4K: + rb_size = IWL_CTXT_INFO_RB_SIZE_4K; + break; + case IWL_AMSDU_8K: + rb_size = IWL_CTXT_INFO_RB_SIZE_8K; + break; + case IWL_AMSDU_12K: + rb_size = IWL_CTXT_INFO_RB_SIZE_12K; + break; + default: + WARN_ON(1); + rb_size = IWL_CTXT_INFO_RB_SIZE_4K; + } + BUILD_BUG_ON(RX_QUEUE_CB_SIZE(MQ_RX_TABLE_SIZE) > 0xF); - control_flags = IWL_CTXT_INFO_RB_SIZE_4K | - IWL_CTXT_INFO_TFD_FORMAT_LONG | - RX_QUEUE_CB_SIZE(MQ_RX_TABLE_SIZE) << - IWL_CTXT_INFO_RB_CB_SIZE_POS; + control_flags = IWL_CTXT_INFO_TFD_FORMAT_LONG | + (RX_QUEUE_CB_SIZE(MQ_RX_TABLE_SIZE) << + IWL_CTXT_INFO_RB_CB_SIZE_POS) | + (rb_size << IWL_CTXT_INFO_RB_SIZE_POS); ctxt_info->control.control_flags = cpu_to_le32(control_flags); /* initialize RX default queue */ |