[PATCH v1 1/5] Bluetooth: advmon offload MSFT add rssi support

From: Archie Pusaka
Date: Thu Dec 03 2020 - 05:31:15 EST


From: Archie Pusaka <apusaka@xxxxxxxxxxxx>

MSFT needs rssi parameter for monitoring advertisement packet,
therefore we should supply them from mgmt.

Signed-off-by: Archie Pusaka <apusaka@xxxxxxxxxxxx>
Reviewed-by: Miao-chen Chou <mcchou@xxxxxxxxxxxx>
Reviewed-by: Yun-Hao Chung <howardchung@xxxxxxxxxx>

---

include/net/bluetooth/hci_core.h | 9 +++++++++
include/net/bluetooth/mgmt.h | 9 +++++++++
net/bluetooth/mgmt.c | 8 ++++++++
3 files changed, 26 insertions(+)

diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 9873e1c8cd16..42d446417817 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -246,8 +246,17 @@ struct adv_pattern {
__u8 value[HCI_MAX_AD_LENGTH];
};

+struct adv_rssi_thresholds {
+ __s8 low_threshold;
+ __s8 high_threshold;
+ __u16 low_threshold_timeout;
+ __u16 high_threshold_timeout;
+ __u8 sampling_period;
+};
+
struct adv_monitor {
struct list_head patterns;
+ struct adv_rssi_thresholds rssi;
bool active;
__u16 handle;
};
diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h
index d8367850e8cd..dc534837be0e 100644
--- a/include/net/bluetooth/mgmt.h
+++ b/include/net/bluetooth/mgmt.h
@@ -763,9 +763,18 @@ struct mgmt_adv_pattern {
__u8 value[31];
} __packed;

+struct mgmt_adv_rssi_thresholds {
+ __s8 high_threshold;
+ __le16 high_threshold_timeout;
+ __s8 low_threshold;
+ __le16 low_threshold_timeout;
+ __u8 sampling_period;
+} __packed;
+
#define MGMT_OP_ADD_ADV_PATTERNS_MONITOR 0x0052
struct mgmt_cp_add_adv_patterns_monitor {
__u8 pattern_count;
+ struct mgmt_adv_rssi_thresholds rssi;
struct mgmt_adv_pattern patterns[];
} __packed;
#define MGMT_ADD_ADV_PATTERNS_MONITOR_SIZE 1
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 3dfed4efa078..5f0f03dcd81d 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -4237,6 +4237,14 @@ static int add_adv_patterns_monitor(struct sock *sk, struct hci_dev *hdev,
INIT_LIST_HEAD(&m->patterns);
m->active = false;

+ m->rssi.low_threshold = cp->rssi.low_threshold;
+ m->rssi.low_threshold_timeout =
+ __le16_to_cpu(cp->rssi.low_threshold_timeout);
+ m->rssi.high_threshold = cp->rssi.high_threshold;
+ m->rssi.high_threshold_timeout =
+ __le16_to_cpu(cp->rssi.high_threshold_timeout);
+ m->rssi.sampling_period = cp->rssi.sampling_period;
+
for (i = 0; i < cp->pattern_count; i++) {
if (++mp_cnt > HCI_MAX_ADV_MONITOR_NUM_PATTERNS) {
err = mgmt_cmd_status(sk, hdev->id,
--
2.29.2.454.gaff20da3a2-goog