From: Oren Givon <oren.givon@xxxxxxxxx>
Allow to configure the maximal Rx AMPDU size per device.
Signed-off-by: Oren Givon <oren.givon@xxxxxxxxx>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/iwl-8000.c | 4 ++++
drivers/net/wireless/iwlwifi/iwl-config.h | 2 ++
drivers/net/wireless/iwlwifi/mvm/ops.c | 3 +++
3 files changed, 9 insertions(+)
diff --git a/drivers/net/wireless/iwlwifi/iwl-8000.c b/drivers/net/wireless/iwlwifi/iwl-8000.c
index 51486cc..44b19e0 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 034c2fc..8da596d 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 7d7b2fb..7f0e9af 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;
--
1.8.3.2
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