From 30868f5d4413759ba82c0703290f2483402fea39 Mon Sep 17 00:00:00 2001 From: Dedy Lansky Date: Tue, 8 Aug 2017 14:16:43 +0300 Subject: [PATCH] wil6210: support FW RSSI reporting New FW supports reporting RSSI signal in dBm. Report RSSI to kernel in case FW has this capability. Signed-off-by: Dedy Lansky Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/cfg80211.c | 12 ++++++++---- drivers/net/wireless/ath/wil6210/debugfs.c | 2 ++ drivers/net/wireless/ath/wil6210/pcie_bus.c | 3 +++ drivers/net/wireless/ath/wil6210/wmi.c | 9 ++++++--- drivers/net/wireless/ath/wil6210/wmi.h | 6 ++++-- 5 files changed, 23 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c index 77af7492420d..5cd91145c079 100644 --- a/drivers/net/wireless/ath/wil6210/cfg80211.c +++ b/drivers/net/wireless/ath/wil6210/cfg80211.c @@ -273,12 +273,12 @@ int wil_cid_fill_sinfo(struct wil6210_priv *wil, int cid, wil_dbg_wmi(wil, "Link status for CID %d: {\n" " MCS %d TSF 0x%016llx\n" - " BF status 0x%08x SNR 0x%08x SQI %d%%\n" + " BF status 0x%08x RSSI %d SQI %d%%\n" " Tx Tpt %d goodput %d Rx goodput %d\n" " Sectors(rx:tx) my %d:%d peer %d:%d\n""}\n", cid, le16_to_cpu(reply.evt.bf_mcs), le64_to_cpu(reply.evt.tsf), reply.evt.status, - le32_to_cpu(reply.evt.snr_val), + reply.evt.rssi, reply.evt.sqi, le32_to_cpu(reply.evt.tx_tpt), le32_to_cpu(reply.evt.tx_goodput), @@ -311,7 +311,11 @@ int wil_cid_fill_sinfo(struct wil6210_priv *wil, int cid, if (test_bit(wil_status_fwconnected, wil->status)) { sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); - sinfo->signal = reply.evt.sqi; + if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING, + wil->fw_capabilities)) + sinfo->signal = reply.evt.rssi; + else + sinfo->signal = reply.evt.sqi; } return rc; @@ -1794,7 +1798,7 @@ static void wil_wiphy_init(struct wiphy *wiphy) wiphy->bands[NL80211_BAND_60GHZ] = &wil_band_60ghz; - /* TODO: figure this out */ + /* may change after reading FW capabilities */ wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; wiphy->cipher_suites = wil_cipher_suites; diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c index a2b5d595aa19..21b661158b1a 100644 --- a/drivers/net/wireless/ath/wil6210/debugfs.c +++ b/drivers/net/wireless/ath/wil6210/debugfs.c @@ -1016,6 +1016,7 @@ static int wil_bf_debugfs_show(struct seq_file *s, void *data) " TSF = 0x%016llx\n" " TxMCS = %2d TxTpt = %4d\n" " SQI = %4d\n" + " RSSI = %4d\n" " Status = 0x%08x %s\n" " Sectors(rx:tx) my %2d:%2d peer %2d:%2d\n" " Goodput(rx:tx) %4d:%4d\n" @@ -1025,6 +1026,7 @@ static int wil_bf_debugfs_show(struct seq_file *s, void *data) le16_to_cpu(reply.evt.bf_mcs), le32_to_cpu(reply.evt.tx_tpt), reply.evt.sqi, + reply.evt.rssi, status, wil_bfstatus_str(status), le16_to_cpu(reply.evt.my_rx_sector), le16_to_cpu(reply.evt.my_tx_sector), diff --git a/drivers/net/wireless/ath/wil6210/pcie_bus.c b/drivers/net/wireless/ath/wil6210/pcie_bus.c index d571feb2370e..6a3ab4bf916d 100644 --- a/drivers/net/wireless/ath/wil6210/pcie_bus.c +++ b/drivers/net/wireless/ath/wil6210/pcie_bus.c @@ -84,6 +84,9 @@ void wil_set_capabilities(struct wil6210_priv *wil) /* extract FW capabilities from file without loading the FW */ wil_request_firmware(wil, wil->wil_fw_name, false); + + if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING, wil->fw_capabilities)) + wil_to_wiphy(wil)->signal_type = CFG80211_SIGNAL_TYPE_MBM; } void wil_disable_irq(struct wil6210_priv *wil) diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index 65ef67321fc0..a9487f2b8d60 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -381,12 +381,15 @@ static void wmi_evt_rx_mgmt(struct wil6210_priv *wil, int id, void *d, int len) ch_no = data->info.channel + 1; freq = ieee80211_channel_to_frequency(ch_no, NL80211_BAND_60GHZ); channel = ieee80211_get_channel(wiphy, freq); - signal = data->info.sqi; + if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING, wil->fw_capabilities)) + signal = 100 * data->info.rssi; + else + signal = data->info.sqi; d_status = le16_to_cpu(data->info.status); fc = rx_mgmt_frame->frame_control; - wil_dbg_wmi(wil, "MGMT Rx: channel %d MCS %d SNR %d SQI %d%%\n", - data->info.channel, data->info.mcs, data->info.snr, + wil_dbg_wmi(wil, "MGMT Rx: channel %d MCS %d RSSI %d SQI %d%%\n", + data->info.channel, data->info.mcs, data->info.rssi, data->info.sqi); wil_dbg_wmi(wil, "status 0x%04x len %d fc 0x%04x\n", d_status, d_len, le16_to_cpu(fc)); diff --git a/drivers/net/wireless/ath/wil6210/wmi.h b/drivers/net/wireless/ath/wil6210/wmi.h index 256f63c57da0..4e31c2fd1fc6 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.h +++ b/drivers/net/wireless/ath/wil6210/wmi.h @@ -60,6 +60,7 @@ enum wmi_fw_capability { WMI_FW_CAPABILITY_WMI_ONLY = 5, WMI_FW_CAPABILITY_THERMAL_THROTTLING = 7, WMI_FW_CAPABILITY_D3_SUSPEND = 8, + WMI_FW_CAPABILITY_RSSI_REPORTING = 12, WMI_FW_CAPABILITY_MAX, }; @@ -1306,7 +1307,8 @@ struct wmi_notify_req_done_event { /* beamforming status, 0: fail; 1: OK; 2: retrying */ __le32 status; __le64 tsf; - __le32 snr_val; + s8 rssi; + u8 reserved0[3]; __le32 tx_tpt; __le32 tx_goodput; __le32 rx_goodput; @@ -1602,7 +1604,7 @@ struct wmi_get_ssid_event { /* wmi_rx_mgmt_info */ struct wmi_rx_mgmt_info { u8 mcs; - s8 snr; + s8 rssi; u8 range; u8 sqi; __le16 stype; -- 2.30.2