diff options
author | Eliad Peller <eliad@wizery.com> | 2014-03-12 14:05:06 +0100 |
---|---|---|
committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2014-04-09 18:29:36 +0200 |
commit | 3a84b69e3cc20868099e4c513da6f7d169a60479 (patch) | |
tree | 8e216545ebd7cc39939a978ce0f3294cd9b72d53 | |
parent | iwlwifi: pcie: don't leave the new NICs awake for commands (diff) | |
download | linux-3a84b69e3cc20868099e4c513da6f7d169a60479.tar.xz linux-3a84b69e3cc20868099e4c513da6f7d169a60479.zip |
iwlwifi: mvm: add lq_cmd/tx_resp reduced_tpc field
The fw recently added an option to set tx power reduction
per station (in the lq_cmd command), and get the tx power
reduction used (in the tx_resp struct).
Use them and propogate this value up to mac80211's tx
response (in order to use it later in the rate-scaling
algorithm).
Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
-rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/fw-api-rs.h | 2 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/fw-api-tx.h | 3 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/sta.h | 3 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/tx.c | 7 |
4 files changed, 13 insertions, 2 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-rs.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-rs.h index 39148b5bb332..8bb5b94bf963 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api-rs.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-rs.h @@ -334,7 +334,7 @@ enum { */ struct iwl_lq_cmd { u8 sta_id; - u8 reserved1; + u8 reduced_tpc; u16 control; /* LINK_QUAL_GENERAL_PARAMS_API_S_VER_1 */ u8 flags; diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-tx.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-tx.h index 8e122f3a7a74..6cc5f52b807f 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api-tx.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-tx.h @@ -482,7 +482,8 @@ struct iwl_mvm_tx_resp { u8 pa_integ_res_b[3]; u8 pa_integ_res_c[3]; __le16 measurement_req_id; - __le16 reserved; + u8 reduced_tpc; + u8 reserved; __le32 tfd_info; __le16 seq_ctl; diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.h b/drivers/net/wireless/iwlwifi/mvm/sta.h index 2ed84c421481..e5e3071ff252 100644 --- a/drivers/net/wireless/iwlwifi/mvm/sta.h +++ b/drivers/net/wireless/iwlwifi/mvm/sta.h @@ -253,6 +253,8 @@ enum iwl_mvm_agg_state { * This is basically (last acked packet++). * @rate_n_flags: Rate at which Tx was attempted. Holds the data between the * Tx response (TX_CMD), and the block ack notification (COMPRESSED_BA). + * @reduced_tpc: Reduced tx power. Holds the data between the + * Tx response (TX_CMD), and the block ack notification (COMPRESSED_BA). * @state: state of the BA agreement establishment / tear down. * @txq_id: Tx queue used by the BA session * @ssn: the first packet to be sent in AGG HW queue in Tx AGG start flow, or @@ -265,6 +267,7 @@ struct iwl_mvm_tid_data { u16 next_reclaimed; /* The rest is Tx AGG related */ u32 rate_n_flags; + u8 reduced_tpc; enum iwl_mvm_agg_state state; u16 txq_id; u16 ssn; diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c index 879aeac46cc1..0a4ad45949d5 100644 --- a/drivers/net/wireless/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/iwlwifi/mvm/tx.c @@ -636,6 +636,10 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm, seq_ctl = le16_to_cpu(hdr->seq_ctrl); } + BUILD_BUG_ON(ARRAY_SIZE(info->status.status_driver_data) < 1); + info->status.status_driver_data[0] = + (void *)(uintptr_t)tx_resp->reduced_tpc; + ieee80211_tx_status_ni(mvm->hw, skb); } @@ -815,6 +819,7 @@ static void iwl_mvm_rx_tx_cmd_agg(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); mvmsta->tid_data[tid].rate_n_flags = le32_to_cpu(tx_resp->initial_rate); + mvmsta->tid_data[tid].reduced_tpc = tx_resp->reduced_tpc; } rcu_read_unlock(); @@ -928,6 +933,8 @@ int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, info->status.ampdu_len = ba_notif->txed; iwl_mvm_hwrate_to_tx_status(tid_data->rate_n_flags, info); + info->status.status_driver_data[0] = + (void *)(uintptr_t)tid_data->reduced_tpc; } } |