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iwlwifi: mvm: rs: new rate scale API - add FW notifications

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This patch sends to the FW notification configuration command and
handles the update responses.

Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Gregory Greenman 2017-11-01 09:21:24 +02:00 committed by Luca Coelho
parent 110b32f065
commit 46d372af99
5 changed files with 89 additions and 0 deletions
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10
drivers/net/wireless/intel/iwlwifi/fw/api/datapath.h
View File

@ -87,6 +87,16 @@ enum iwl_data_path_subcmd_ids {
*/
TLC_MNG_CONFIG_CMD = 0xF,
/**
* @TLC_MNG_NOTIF_REQ_CMD: &struct iwl_tlc_notif_req_config_cmd
*/
TLC_MNG_NOTIF_REQ_CMD = 0x10,
/**
* @TLC_MNG_UPDATE_NOTIF: &struct iwl_tlc_update_notif
*/
TLC_MNG_UPDATE_NOTIF = 0xF7,
/**
* @STA_PM_NOTIF: &struct iwl_mvm_pm_state_notification
*/

34
drivers/net/wireless/intel/iwlwifi/fw/api/rs.h
View File

@ -229,6 +229,40 @@ struct iwl_tlc_config_cmd {
__le32 max_ampdu_cnt;
} __packed; /* TLC_MNG_CONFIG_CMD_API_S_VER_1 */
#define IWL_TLC_NOTIF_INIT_RATE_POS 0
#define IWL_TLC_NOTIF_INIT_RATE_MSK BIT(IWL_TLC_NOTIF_INIT_RATE_POS)
#define IWL_TLC_NOTIF_REQ_INTERVAL (500)
/**
* struct iwl_tlc_notif_req_config_cmd - request notif on specific changes
* @sta_id: relevant station
* @reserved1: reserved
* @flags: bitmap of requested notifications %IWL_TLC_NOTIF_INIT_\*
* @interval: minimum time between notifications from TLC to the driver (msec)
* @reserved2: reserved
*/
struct iwl_tlc_notif_req_config_cmd {
u8 sta_id;
u8 reserved1;
__le16 flags;
__le16 interval;
__le16 reserved2;
} __packed; /* TLC_MNG_NOTIF_REQ_CMD_API_S_VER_1 */
/**
* struct iwl_tlc_update_notif - TLC notification from FW
* @sta_id: station id
* @reserved: reserved
* @flags: bitmap of notifications reported
* @values: field per flag in struct iwl_tlc_notif_req_config_cmd
*/
struct iwl_tlc_update_notif {
u8 sta_id;
u8 reserved;
__le16 flags;
__le32 values[16];
} __packed; /* TLC_MNG_UPDATE_NTFY_API_S_VER_1 */
/*
* These serve as indexes into
* struct iwl_rate_info fw_rate_idx_to_plcp[IWL_RATE_COUNT];

2
drivers/net/wireless/intel/iwlwifi/mvm/ops.c
View File

@ -1017,6 +1017,8 @@ static void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode,
iwl_mvm_rx_queue_notif(mvm, rxb, 0);
else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))
iwl_mvm_rx_frame_release(mvm, napi, rxb, 0);
else if (cmd == WIDE_ID(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF))
iwl_mvm_tlc_update_notif(mvm, pkt);
else
iwl_mvm_rx_common(mvm, rxb, pkt);
}

42
drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c
View File

@ -213,6 +213,46 @@ static void rs_fw_set_supp_rates(struct ieee80211_sta *sta,
}
}
static void rs_fw_tlc_mng_notif_req_config(struct iwl_mvm *mvm, u8 sta_id)
{
u32 cmd_id = iwl_cmd_id(TLC_MNG_NOTIF_REQ_CMD, DATA_PATH_GROUP, 0);
struct iwl_tlc_notif_req_config_cmd cfg_cmd = {
.sta_id = sta_id,
.flags = cpu_to_le16(IWL_TLC_NOTIF_INIT_RATE_MSK),
.interval = cpu_to_le16(IWL_TLC_NOTIF_REQ_INTERVAL),
};
int ret;
ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, sizeof(cfg_cmd), &cfg_cmd);
if (ret)
IWL_ERR(mvm, "Failed to send TLC notif request (%d)\n", ret);
}
void iwl_mvm_tlc_update_notif(struct iwl_mvm *mvm, struct iwl_rx_packet *pkt)
{
struct iwl_tlc_update_notif *notif;
struct iwl_mvm_sta *mvmsta;
struct iwl_lq_sta_rs_fw *lq_sta;
notif = (void *)pkt->data;
mvmsta = iwl_mvm_sta_from_staid_rcu(mvm, notif->sta_id);
if (!mvmsta) {
IWL_ERR(mvm, "Invalid sta id (%d) in FW TLC notification\n",
notif->sta_id);
return;
}
lq_sta = &mvmsta->lq_sta.rs_fw;
if (le16_to_cpu(notif->flags) & IWL_TLC_NOTIF_INIT_RATE_MSK) {
lq_sta->last_rate_n_flags =
le32_to_cpu(notif->values[IWL_TLC_NOTIF_INIT_RATE_POS]);
IWL_DEBUG_RATE(mvm, "new rate_n_flags: 0x%X\n",
lq_sta->last_rate_n_flags);
}
}
void rs_fw_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
enum nl80211_band band)
{
@ -243,6 +283,8 @@ void rs_fw_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, sizeof(cfg_cmd), &cfg_cmd);
if (ret)
IWL_ERR(mvm, "Failed to send rate scale config (%d)\n", ret);
rs_fw_tlc_mng_notif_req_config(mvm, cfg_cmd.sta_id);
}
int rs_fw_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta,

1
drivers/net/wireless/intel/iwlwifi/mvm/rs.h
View File

@ -454,4 +454,5 @@ void rs_fw_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
enum nl80211_band band);
int rs_fw_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta,
bool enable);
void iwl_mvm_tlc_update_notif(struct iwl_mvm *mvm, struct iwl_rx_packet *pkt);
#endif /* __rs__ */