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-rw-r--r--include/net/bluetooth/hci_core.h2
-rw-r--r--net/bluetooth/hci_core.c87
-rw-r--r--net/bluetooth/hci_event.c8
-rw-r--r--net/bluetooth/mgmt.c126
4 files changed, 116 insertions, 107 deletions
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 4e208420d84c..4a186ec99132 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -1183,8 +1183,6 @@ struct hci_sec_filter {
#define hci_req_lock(d) mutex_lock(&d->req_lock)
#define hci_req_unlock(d) mutex_unlock(&d->req_lock)
-void hci_update_ad(struct hci_request *req);
-
void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max,
u16 latency, u16 to_multiplier);
void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8],
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index c53f7f9c630a..a49ca4869621 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -685,10 +685,8 @@ static void hci_init3_req(struct hci_request *req, unsigned long opt)
if (hdev->commands[5] & 0x10)
hci_setup_link_policy(req);
- if (lmp_le_capable(hdev)) {
+ if (lmp_le_capable(hdev))
hci_set_le_support(req);
- hci_update_ad(req);
- }
/* Read features beyond page 1 if available */
for (p = 2; p < HCI_MAX_PAGES && p <= hdev->max_page; p++) {
@@ -1127,89 +1125,6 @@ done:
return err;
}
-static u8 create_ad(struct hci_dev *hdev, u8 *ptr)
-{
- u8 ad_len = 0, flags = 0;
- size_t name_len;
-
- if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
- flags |= LE_AD_GENERAL;
-
- if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
- if (lmp_le_br_capable(hdev))
- flags |= LE_AD_SIM_LE_BREDR_CTRL;
- if (lmp_host_le_br_capable(hdev))
- flags |= LE_AD_SIM_LE_BREDR_HOST;
- } else {
- flags |= LE_AD_NO_BREDR;
- }
-
- if (flags) {
- BT_DBG("adv flags 0x%02x", flags);
-
- ptr[0] = 2;
- ptr[1] = EIR_FLAGS;
- ptr[2] = flags;
-
- ad_len += 3;
- ptr += 3;
- }
-
- if (hdev->adv_tx_power != HCI_TX_POWER_INVALID) {
- ptr[0] = 2;
- ptr[1] = EIR_TX_POWER;
- ptr[2] = (u8) hdev->adv_tx_power;
-
- ad_len += 3;
- ptr += 3;
- }
-
- name_len = strlen(hdev->dev_name);
- if (name_len > 0) {
- size_t max_len = HCI_MAX_AD_LENGTH - ad_len - 2;
-
- if (name_len > max_len) {
- name_len = max_len;
- ptr[1] = EIR_NAME_SHORT;
- } else
- ptr[1] = EIR_NAME_COMPLETE;
-
- ptr[0] = name_len + 1;
-
- memcpy(ptr + 2, hdev->dev_name, name_len);
-
- ad_len += (name_len + 2);
- ptr += (name_len + 2);
- }
-
- return ad_len;
-}
-
-void hci_update_ad(struct hci_request *req)
-{
- struct hci_dev *hdev = req->hdev;
- struct hci_cp_le_set_adv_data cp;
- u8 len;
-
- if (!lmp_le_capable(hdev))
- return;
-
- memset(&cp, 0, sizeof(cp));
-
- len = create_ad(hdev, cp.data);
-
- if (hdev->adv_data_len == len &&
- memcmp(cp.data, hdev->adv_data, len) == 0)
- return;
-
- memcpy(hdev->adv_data, cp.data, sizeof(cp.data));
- hdev->adv_data_len = len;
-
- cp.length = len;
-
- hci_req_add(req, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp);
-}
-
static int hci_dev_do_open(struct hci_dev *hdev)
{
int ret = 0;
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 5391469ff1a5..7b133f0e0c3c 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -939,14 +939,6 @@ static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
}
- if (*sent && !test_bit(HCI_INIT, &hdev->flags)) {
- struct hci_request req;
-
- hci_req_init(&req, hdev);
- hci_update_ad(&req);
- hci_req_run(&req, NULL);
- }
-
hci_dev_unlock(hdev);
}
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index c071708aac24..285d571eee6b 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -536,6 +536,89 @@ static u8 *create_uuid128_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
return ptr;
}
+static u8 create_ad(struct hci_dev *hdev, u8 *ptr)
+{
+ u8 ad_len = 0, flags = 0;
+ size_t name_len;
+
+ if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
+ flags |= LE_AD_GENERAL;
+
+ if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
+ if (lmp_le_br_capable(hdev))
+ flags |= LE_AD_SIM_LE_BREDR_CTRL;
+ if (lmp_host_le_br_capable(hdev))
+ flags |= LE_AD_SIM_LE_BREDR_HOST;
+ } else {
+ flags |= LE_AD_NO_BREDR;
+ }
+
+ if (flags) {
+ BT_DBG("adv flags 0x%02x", flags);
+
+ ptr[0] = 2;
+ ptr[1] = EIR_FLAGS;
+ ptr[2] = flags;
+
+ ad_len += 3;
+ ptr += 3;
+ }
+
+ if (hdev->adv_tx_power != HCI_TX_POWER_INVALID) {
+ ptr[0] = 2;
+ ptr[1] = EIR_TX_POWER;
+ ptr[2] = (u8) hdev->adv_tx_power;
+
+ ad_len += 3;
+ ptr += 3;
+ }
+
+ name_len = strlen(hdev->dev_name);
+ if (name_len > 0) {
+ size_t max_len = HCI_MAX_AD_LENGTH - ad_len - 2;
+
+ if (name_len > max_len) {
+ name_len = max_len;
+ ptr[1] = EIR_NAME_SHORT;
+ } else
+ ptr[1] = EIR_NAME_COMPLETE;
+
+ ptr[0] = name_len + 1;
+
+ memcpy(ptr + 2, hdev->dev_name, name_len);
+
+ ad_len += (name_len + 2);
+ ptr += (name_len + 2);
+ }
+
+ return ad_len;
+}
+
+static void update_ad(struct hci_request *req)
+{
+ struct hci_dev *hdev = req->hdev;
+ struct hci_cp_le_set_adv_data cp;
+ u8 len;
+
+ if (!lmp_le_capable(hdev))
+ return;
+
+ memset(&cp, 0, sizeof(cp));
+
+ len = create_ad(hdev, cp.data);
+
+ if (hdev->adv_data_len == len &&
+ memcmp(cp.data, hdev->adv_data, len) == 0)
+ return;
+
+ memcpy(hdev->adv_data, cp.data, sizeof(cp.data));
+ hdev->adv_data_len = len;
+
+ cp.length = len;
+
+ hci_req_add(req, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp);
+}
+
static void create_eir(struct hci_dev *hdev, u8 *data)
{
u8 *ptr = data;
@@ -1555,6 +1638,23 @@ static void le_enable_complete(struct hci_dev *hdev, u8 status)
if (match.sk)
sock_put(match.sk);
+
+ /* Make sure the controller has a good default for
+ * advertising data. Restrict the update to when LE
+ * has actually been enabled. During power on, the
+ * update in powered_update_hci will take care of it.
+ */
+ if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
+ struct hci_request req;
+
+ hci_dev_lock(hdev);
+
+ hci_req_init(&req, hdev);
+ update_ad(&req);
+ hci_req_run(&req, NULL);
+
+ hci_dev_unlock(hdev);
+ }
}
static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
@@ -1622,18 +1722,18 @@ static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
goto unlock;
}
+ hci_req_init(&req, hdev);
+
memset(&hci_cp, 0, sizeof(hci_cp));
if (val) {
hci_cp.le = val;
hci_cp.simul = lmp_le_br_capable(hdev);
+ } else {
+ if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
+ disable_advertising(&req);
}
- hci_req_init(&req, hdev);
-
- if (test_bit(HCI_ADVERTISING, &hdev->dev_flags) && !val)
- disable_advertising(&req);
-
hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp),
&hci_cp);
@@ -2772,7 +2872,7 @@ static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
}
if (lmp_le_capable(hdev))
- hci_update_ad(&req);
+ update_ad(&req);
err = hci_req_run(&req, set_name_complete);
if (err < 0)
@@ -3724,7 +3824,7 @@ static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
goto unlock;
}
- /* We need to flip the bit already here so that hci_update_ad
+ /* We need to flip the bit already here so that update_ad
* generates the correct flags.
*/
set_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
@@ -3734,7 +3834,7 @@ static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
set_bredr_scan(&req);
- hci_update_ad(&req);
+ update_ad(&req);
err = hci_req_run(&req, set_bredr_complete);
if (err < 0)
@@ -4035,9 +4135,6 @@ static int powered_update_hci(struct hci_dev *hdev)
cp.simul != lmp_host_le_br_capable(hdev))
hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED,
sizeof(cp), &cp);
-
- /* In case BR/EDR was toggled during the AUTO_OFF phase */
- hci_update_ad(&req);
}
if (lmp_le_capable(hdev)) {
@@ -4046,6 +4143,13 @@ static int powered_update_hci(struct hci_dev *hdev)
hci_req_add(&req, HCI_OP_LE_SET_RANDOM_ADDR, 6,
&hdev->static_addr);
+ /* Make sure the controller has a good default for
+ * advertising data. This also applies to the case
+ * where BR/EDR was toggled during the AUTO_OFF phase.
+ */
+ if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
+ update_ad(&req);
+
if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
enable_advertising(&req);
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-27 11:01:50 +0000