[PATCH] ath10k: Add tx ack signal support for management frames
vnaralas at qti.qualcomm.com
vnaralas at qti.qualcomm.com
Wed Dec 27 02:14:56 PST 2017
From: Venkateswara Naralasetty <vnaralas at qti.qualcomm.com>
This patch add support to get RSSI from acknowledgment
frames for transmitted management frames.
hardware_used: QCA4019, QCA9984.
firmware version: 10.4-3.5.3-00052.
Signed-off-by: Venkateswara Naralasetty <vnaralas at qti.qualcomm.com>
---
drivers/net/wireless/ath/ath10k/core.h | 2 ++
drivers/net/wireless/ath/ath10k/htt.h | 9 ++++++++-
drivers/net/wireless/ath/ath10k/htt_rx.c | 9 +++++++++
drivers/net/wireless/ath/ath10k/txrx.c | 4 ++++
drivers/net/wireless/ath/ath10k/wmi.h | 18 ++++++++++++++++++
5 files changed, 41 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h
index 643041e..64c23a5 100644
--- a/drivers/net/wireless/ath/ath10k/core.h
+++ b/drivers/net/wireless/ath/ath10k/core.h
@@ -51,6 +51,8 @@
/* Antenna noise floor */
#define ATH10K_DEFAULT_NOISE_FLOOR -95
+#define ATH10K_INVALID_RSSI 128
+
#define ATH10K_MAX_NUM_MGMT_PENDING 128
/* number of failed packets (20 packets with 16 sw reties each) */
diff --git a/drivers/net/wireless/ath/ath10k/htt.h b/drivers/net/wireless/ath/ath10k/htt.h
index 6305308..2168558d 100644
--- a/drivers/net/wireless/ath/ath10k/htt.h
+++ b/drivers/net/wireless/ath/ath10k/htt.h
@@ -480,12 +480,18 @@ struct htt_ver_resp {
u8 rsvd0;
} __packed;
+#define HTT_MGMT_TX_CMPL_FLAG_ACK_RSSI BIT(0)
+
+#define HTT_MGMT_TX_CMPL_INFO_ACK_RSSI GENMASK(7, 0)
+
struct htt_mgmt_tx_completion {
u8 rsvd0;
u8 rsvd1;
- u8 rsvd2;
+ u8 flags;
__le32 desc_id;
__le32 status;
+ __le32 ppdu_id;
+ __le32 info;
} __packed;
#define HTT_RX_INDICATION_INFO0_EXT_TID_MASK (0x1F)
@@ -1557,6 +1563,7 @@ struct htt_resp {
struct htt_tx_done {
u16 msdu_id;
u16 status;
+ u8 ack_rssi;
};
enum htt_tx_compl_state {
diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
index e314385..b1ad985 100644
--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
@@ -24,6 +24,7 @@
#include "mac.h"
#include <linux/log2.h>
+#include <linux/bitfield.h>
#define HTT_RX_RING_SIZE HTT_RX_RING_SIZE_MAX
#define HTT_RX_RING_FILL_LEVEL (((HTT_RX_RING_SIZE) / 2) - 1)
@@ -2479,6 +2480,14 @@ bool ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb)
switch (status) {
case HTT_MGMT_TX_STATUS_OK:
tx_done.status = HTT_TX_COMPL_STATE_ACK;
+ if (test_bit(WMI_SERVICE_HTT_MGMT_TX_COMP_VALID_FLAGS,
+ ar->wmi.svc_map) &&
+ (resp->mgmt_tx_completion.flags &
+ HTT_MGMT_TX_CMPL_FLAG_ACK_RSSI)) {
+ tx_done.ack_rssi = FIELD_GET(HTT_MGMT_TX_CMPL_INFO_ACK_RSSI,
+ resp->mgmt_tx_completion.info);
+ }
+
break;
case HTT_MGMT_TX_STATUS_RETRY:
tx_done.status = HTT_TX_COMPL_STATE_NOACK;
diff --git a/drivers/net/wireless/ath/ath10k/txrx.c b/drivers/net/wireless/ath/ath10k/txrx.c
index d4986f6..654a73c 100644
--- a/drivers/net/wireless/ath/ath10k/txrx.c
+++ b/drivers/net/wireless/ath/ath10k/txrx.c
@@ -113,6 +113,10 @@ int ath10k_txrx_tx_unref(struct ath10k_htt *htt,
if (tx_done->status == HTT_TX_COMPL_STATE_NOACK)
info->flags &= ~IEEE80211_TX_STAT_ACK;
+ if (tx_done->ack_rssi && tx_done->ack_rssi != ATH10K_INVALID_RSSI)
+ info->status.ack_signal = ATH10K_DEFAULT_NOISE_FLOOR +
+ tx_done->ack_rssi;
+
if ((tx_done->status == HTT_TX_COMPL_STATE_ACK) &&
(info->flags & IEEE80211_TX_CTL_NO_ACK))
info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;
diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h
index c02b21c..6e58a5f 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.h
+++ b/drivers/net/wireless/ath/ath10k/wmi.h
@@ -195,6 +195,9 @@ enum wmi_service {
WMI_SERVICE_SMART_LOGGING_SUPPORT,
WMI_SERVICE_TDLS_CONN_TRACKER_IN_HOST_MODE,
WMI_SERVICE_TDLS_EXPLICIT_MODE_ONLY,
+ WMI_SERVICE_TDLS_WIDER_BANDWIDTH,
+ WMI_SERVICE_RESET_CHIP,
+ WMI_SERVICE_HTT_MGMT_TX_COMP_VALID_FLAGS,
/* keep last */
WMI_SERVICE_MAX,
@@ -232,6 +235,8 @@ enum wmi_10x_service {
WMI_10X_SERVICE_MESH,
WMI_10X_SERVICE_EXT_RES_CFG_SUPPORT,
WMI_10X_SERVICE_PEER_STATS,
+ WMI_10X_SERVICE_RESET_CHIP,
+ WMI_10X_SERVICE_HTT_MGMT_TX_COMP_VALID_FLAGS,
};
enum wmi_main_service {
@@ -336,6 +341,8 @@ enum wmi_10_4_service {
WMI_10_4_SERVICE_TDLS_UAPSD_SLEEP_STA,
WMI_10_4_SERVICE_TDLS_CONN_TRACKER_IN_HOST_MODE,
WMI_10_4_SERVICE_TDLS_EXPLICIT_MODE_ONLY,
+ WMI_10_4_SERVICE_TDLS_WIDER_BANDWIDTH,
+ WMI_10_4_SERVICE_HTT_MGMT_TX_COMP_VALID_FLAGS,
};
static inline char *wmi_service_name(int service_id)
@@ -444,6 +451,9 @@ static inline char *wmi_service_name(int service_id)
SVCSTR(WMI_SERVICE_SMART_LOGGING_SUPPORT);
SVCSTR(WMI_SERVICE_TDLS_CONN_TRACKER_IN_HOST_MODE);
SVCSTR(WMI_SERVICE_TDLS_EXPLICIT_MODE_ONLY);
+ SVCSTR(WMI_SERVICE_TDLS_WIDER_BANDWIDTH);
+ SVCSTR(WMI_SERVICE_RESET_CHIP);
+ SVCSTR(WMI_SERVICE_HTT_MGMT_TX_COMP_VALID_FLAGS);
default:
return NULL;
}
@@ -534,6 +544,10 @@ static inline void wmi_10x_svc_map(const __le32 *in, unsigned long *out,
WMI_SERVICE_EXT_RES_CFG_SUPPORT, len);
SVCMAP(WMI_10X_SERVICE_PEER_STATS,
WMI_SERVICE_PEER_STATS, len);
+ SVCMAP(WMI_10X_SERVICE_RESET_CHIP,
+ WMI_SERVICE_RESET_CHIP, len);
+ SVCMAP(WMI_10X_SERVICE_HTT_MGMT_TX_COMP_VALID_FLAGS,
+ WMI_SERVICE_HTT_MGMT_TX_COMP_VALID_FLAGS, len);
}
static inline void wmi_main_svc_map(const __le32 *in, unsigned long *out,
@@ -740,6 +754,10 @@ static inline void wmi_10_4_svc_map(const __le32 *in, unsigned long *out,
WMI_SERVICE_TDLS_CONN_TRACKER_IN_HOST_MODE, len);
SVCMAP(WMI_10_4_SERVICE_TDLS_EXPLICIT_MODE_ONLY,
WMI_SERVICE_TDLS_EXPLICIT_MODE_ONLY, len);
+ SVCMAP(WMI_10_4_SERVICE_TDLS_WIDER_BANDWIDTH,
+ WMI_SERVICE_TDLS_WIDER_BANDWIDTH, len);
+ SVCMAP(WMI_10_4_SERVICE_HTT_MGMT_TX_COMP_VALID_FLAGS,
+ WMI_SERVICE_HTT_MGMT_TX_COMP_VALID_FLAGS, len);
}
#undef SVCMAP
--
2.7.4
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