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authorOren Givon <oren.givon@intel.com>2014-06-16 10:54:52 +0300
committerEmmanuel Grumbach <emmanuel.grumbach@intel.com>2014-07-21 10:17:27 +0300
commit745160ee10b76ed739f78f0116ab3d17b3f77309 (patch)
treeccb04580b4c1f51534258d31b49386289c6c3f86 /drivers/net/wireless
parent5fc7d86c7afd61ac8c9d468cba014c472e9c4dcb (diff)
iwlwifi: add max RX aggregation size
Allow to configure the maximal Rx AMPDU size per device. Signed-off-by: Oren Givon <oren.givon@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-8000.c4
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-config.h2
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/ops.c3
3 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-8000.c b/drivers/net/wireless/iwlwifi/iwl-8000.c
index 51486cc9d94..44b19e01510 100644
--- a/drivers/net/wireless/iwlwifi/iwl-8000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-8000.c
@@ -85,6 +85,9 @@
#define NVM_HW_SECTION_NUM_FAMILY_8000 10
#define DEFAULT_NVM_FILE_FAMILY_8000 "iwl_nvm_8000.bin"
+/* Max SDIO RX aggregation size of the ADDBA request/response */
+#define MAX_RX_AGG_SIZE_8260_SDIO 28
+
static const struct iwl_base_params iwl8000_base_params = {
.eeprom_size = OTP_LOW_IMAGE_SIZE_FAMILY_8000,
.num_of_queues = IWLAGN_NUM_QUEUES,
@@ -129,6 +132,7 @@ const struct iwl_cfg iwl8260_2ac_sdio_cfg = {
.nvm_ver = IWL8000_NVM_VERSION,
.nvm_calib_ver = IWL8000_TX_POWER_VERSION,
.default_nvm_file = DEFAULT_NVM_FILE_FAMILY_8000,
+ .max_rx_agg_size = MAX_RX_AGG_SIZE_8260_SDIO,
};
MODULE_FIRMWARE(IWL8000_MODULE_FIRMWARE(IWL8000_UCODE_API_OK));
diff --git a/drivers/net/wireless/iwlwifi/iwl-config.h b/drivers/net/wireless/iwlwifi/iwl-config.h
index 034c2fc4b69..8da596db9ab 100644
--- a/drivers/net/wireless/iwlwifi/iwl-config.h
+++ b/drivers/net/wireless/iwlwifi/iwl-config.h
@@ -240,6 +240,7 @@ struct iwl_pwr_tx_backoff {
* @d0i3: device uses d0i3 instead of d3
* @nvm_hw_section_num: the ID of the HW NVM section
* @pwr_tx_backoffs: translation table between power limits and backoffs
+ * @max_rx_agg_size: max RX aggregation size of the ADDBA request/response
*
* We enable the driver to be backward compatible wrt. hardware features.
* API differences in uCode shouldn't be handled here but through TLVs
@@ -276,6 +277,7 @@ struct iwl_cfg {
const struct iwl_pwr_tx_backoff *pwr_tx_backoffs;
bool no_power_up_nic_in_init;
const char *default_nvm_file;
+ unsigned int max_rx_agg_size;
};
/*
diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c
index 7d7b2fbe7cd..7f0e9afe8f2 100644
--- a/drivers/net/wireless/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/iwlwifi/mvm/ops.c
@@ -391,6 +391,9 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
if (!hw)
return NULL;
+ if (cfg->max_rx_agg_size)
+ hw->max_rx_aggregation_subframes = cfg->max_rx_agg_size;
+
op_mode = hw->priv;
op_mode->ops = &iwl_mvm_ops;