diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c index 1fcbc23678c434dc220f8449074f79785bef22c8..f85d4f4519f6ac2408f09e8bd296ca0b5fbb26fe 100644 --- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c @@ -1447,6 +1447,10 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) goto err; #endif + if (!debugfs_create_u8("low_latency_agg_frame_limit", S_IRUSR | S_IWUSR, + mvm->debugfs_dir, + &mvm->low_latency_agg_frame_limit)) + goto err; if (!debugfs_create_u8("ps_disabled", S_IRUSR, mvm->debugfs_dir, &mvm->ps_disabled)) goto err; diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h index d6b00b97ae66bd054f62d66198eb7b8e1209a7c7..08cb26d86be2651bb72e5275c7d0540eed43e978 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h @@ -727,6 +727,8 @@ struct iwl_mvm { /* system time of last beacon (for AP/GO interface) */ u32 ap_last_beacon_gp2; + + u8 low_latency_agg_frame_limit; }; /* Extract MVM priv from op_mode and _hw */ diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c index 610dbcb0dc279d97dda32ded4df2b387a4577333..e3be34f6aa4154528f2ec0c9ee2fff1755c2dc8c 100644 --- a/drivers/net/wireless/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/iwlwifi/mvm/ops.c @@ -415,6 +415,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, mvm->first_agg_queue = 12; } mvm->sf_state = SF_UNINIT; + mvm->low_latency_agg_frame_limit = 1; mutex_init(&mvm->mutex); mutex_init(&mvm->d0i3_suspend_mutex); diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c index b7a1efcac48054495cb2f958b615d900fb1b953c..940e0d02501268f7aa20388d78a93b5a185660c0 100644 --- a/drivers/net/wireless/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/iwlwifi/mvm/rs.c @@ -2855,9 +2855,15 @@ static void rs_fill_lq_cmd(struct iwl_mvm *mvm, * Tx Fifo so that it can start a transaction in the same TxOP. This * basically allows the firmware to send bursts. */ - if (iwl_mvm_vif_low_latency(mvmvif)) + if (iwl_mvm_vif_low_latency(mvmvif)) { lq_cmd->agg_frame_cnt_limit--; + if (mvm->low_latency_agg_frame_limit) + lq_cmd->agg_frame_cnt_limit = + min(lq_cmd->agg_frame_cnt_limit, + mvm->low_latency_agg_frame_limit); + } + if (mvmsta->vif->p2p) lq_cmd->flags |= LQ_FLAG_USE_RTS_MSK;