From: Gregory Greenman Date: Tue, 2 Sep 2014 14:04:58 +0000 (+0200) Subject: iwlwifi: allow to restrict Tx aggregation size per-device X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=77d96730db597ec82d78f3063daab2f17d14eff4;p=linux-beck.git iwlwifi: allow to restrict Tx aggregation size per-device A few slave bus devices show better performance when we reduce the size of the Tx A-MPDU. Signed-off-by: Gregory Greenman Signed-off-by: Emmanuel Grumbach --- diff --git a/drivers/net/wireless/iwlwifi/iwl-config.h b/drivers/net/wireless/iwlwifi/iwl-config.h index 2ef83a39ff10..76d363d1a497 100644 --- a/drivers/net/wireless/iwlwifi/iwl-config.h +++ b/drivers/net/wireless/iwlwifi/iwl-config.h @@ -246,6 +246,7 @@ struct iwl_pwr_tx_backoff { * @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 + * @max_tx_agg_size: max TX 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 @@ -285,6 +286,7 @@ struct iwl_cfg { const char *default_nvm_file; unsigned int max_rx_agg_size; bool disable_dummy_notification; + unsigned int max_tx_agg_size; }; /* diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c index 047d83d8b25a..91b28e869969 100644 --- a/drivers/net/wireless/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/iwlwifi/mvm/ops.c @@ -403,6 +403,9 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, if (cfg->max_rx_agg_size) hw->max_rx_aggregation_subframes = cfg->max_rx_agg_size; + if (cfg->max_tx_agg_size) + hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size; + op_mode = hw->priv; op_mode->ops = &iwl_mvm_ops;