From: Ben Greear <gree...@candelatech.com>
This provides per-chain rssi for management frames received
over wmi.
Signed-off-by: Ben Greear <gree...@candelatech.com>
---
v2: Fix 'rssh' typo in commit message.
drivers/net/wireless/ath/ath10k/wmi.c | 21 ++++++++++++++++++++-
drivers/net/wireless/ath/ath10k/wmi.h | 1 +
2 files changed, 21 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c
b/drivers/net/wireless/ath/ath10k/wmi.c
index 905af93..ff37274 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -2287,6 +2287,7 @@ static int ath10k_wmi_10_4_op_pull_mgmt_rx_ev(struct
ath10k *ar,
u32 msdu_len;
struct wmi_mgmt_rx_ext_info *ext_info;
u32 len;
+ int i;
ev = (struct wmi_10_4_mgmt_rx_event *)skb->data;
ev_hdr = &ev->hdr;
@@ -2302,6 +2303,8 @@ static int ath10k_wmi_10_4_op_pull_mgmt_rx_ev(struct
ath10k *ar,
arg->snr = ev_hdr->snr;
arg->phy_mode = ev_hdr->phy_mode;
arg->rate = ev_hdr->rate;
+ for (i = 0; i<4; i++)
+ arg->rssi_ctl[i] = ev_hdr->rssi_ctl[i];
msdu_len = __le32_to_cpu(arg->buf_len);
if (skb->len < msdu_len)
@@ -2357,6 +2360,13 @@ int ath10k_wmi_event_mgmt_rx(struct ath10k *ar, struct
sk_buff *skb)
u32 buf_len;
u16 fc;
int ret;
+ int i;
+
+ /* Initialize the rssi to 'ignore-me' value, stock wave-1
+ * firmware doesn't support it.
+ */
+ for (i = 0; i<4; i++)
+ arg.rssi_ctl[i] = 0x80;
ret = ath10k_wmi_pull_mgmt_rx(ar, skb, &arg);
if (ret) {
@@ -2416,6 +2426,12 @@ int ath10k_wmi_event_mgmt_rx(struct ath10k *ar, struct
sk_buff *skb)
status->freq = ieee80211_channel_to_frequency(channel, status->band);
status->signal = snr + ATH10K_DEFAULT_NOISE_FLOOR;
+ for (i = 0; i<4; i++) {
+ if (arg.rssi_ctl[i] != 0x80) {
+ status->chains |= BIT(i);
+ status->chain_signal[i] = ATH10K_DEFAULT_NOISE_FLOOR +
arg.rssi_ctl[i];
+ }
+ }
status->rate_idx = ath10k_mac_bitrate_to_idx(sband, rate / 100);
hdr = (struct ieee80211_hdr *)skb->data;
@@ -2451,8 +2467,11 @@ int ath10k_wmi_event_mgmt_rx(struct ath10k *ar, struct
sk_buff *skb)
fc & IEEE80211_FCTL_FTYPE, fc & IEEE80211_FCTL_STYPE);
ath10k_dbg(ar, ATH10K_DBG_MGMT,
- "event mgmt rx freq %d band %d snr %d, rate_idx %d\n",
+ "event mgmt rx freq %d band %d snr %d chains: 0x%x(%d %d %d
%d), rate_idx %d\n",
status->freq, status->band, status->signal,
+ status->chains,
+ status->chain_signal[0], status->chain_signal[1],
+ status->chain_signal[2], status->chain_signal[3],
status->rate_idx);
ieee80211_rx(ar->hw, skb);
diff --git a/drivers/net/wireless/ath/ath10k/wmi.h
b/drivers/net/wireless/ath/ath10k/wmi.h
index a3ba191..d198772 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.h
+++ b/drivers/net/wireless/ath/ath10k/wmi.h
@@ -6490,6 +6490,7 @@ struct wmi_scan_ev_arg {
struct wmi_mgmt_rx_ev_arg {
__le32 channel;
__le32 snr;
+ u8 rssi_ctl[4];
__le32 rate;
__le32 phy_mode;
__le32 buf_len;
--
2.4.11
