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Diffstat (limited to 'net/bluetooth/mgmt.c')
-rw-r--r--net/bluetooth/mgmt.c139
1 files changed, 79 insertions, 60 deletions
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 965f621ef865..25979f4283a6 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -33,7 +33,6 @@
#include <net/bluetooth/l2cap.h>
#include <net/bluetooth/mgmt.h>
-#include "hci_request.h"
#include "smp.h"
#include "mgmt_util.h"
#include "mgmt_config.h"
@@ -42,7 +41,7 @@
#include "aosp.h"
#define MGMT_VERSION 1
-#define MGMT_REVISION 22
+#define MGMT_REVISION 23
static const u16 mgmt_commands[] = {
MGMT_OP_READ_INDEX_LIST,
@@ -443,8 +442,7 @@ static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
count = 0;
list_for_each_entry(d, &hci_dev_list, list) {
- if (d->dev_type == HCI_PRIMARY &&
- !hci_dev_test_flag(d, HCI_UNCONFIGURED))
+ if (!hci_dev_test_flag(d, HCI_UNCONFIGURED))
count++;
}
@@ -468,8 +466,7 @@ static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
continue;
- if (d->dev_type == HCI_PRIMARY &&
- !hci_dev_test_flag(d, HCI_UNCONFIGURED)) {
+ if (!hci_dev_test_flag(d, HCI_UNCONFIGURED)) {
rp->index[count++] = cpu_to_le16(d->id);
bt_dev_dbg(hdev, "Added hci%u", d->id);
}
@@ -503,8 +500,7 @@ static int read_unconf_index_list(struct sock *sk, struct hci_dev *hdev,
count = 0;
list_for_each_entry(d, &hci_dev_list, list) {
- if (d->dev_type == HCI_PRIMARY &&
- hci_dev_test_flag(d, HCI_UNCONFIGURED))
+ if (hci_dev_test_flag(d, HCI_UNCONFIGURED))
count++;
}
@@ -528,8 +524,7 @@ static int read_unconf_index_list(struct sock *sk, struct hci_dev *hdev,
if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
continue;
- if (d->dev_type == HCI_PRIMARY &&
- hci_dev_test_flag(d, HCI_UNCONFIGURED)) {
+ if (hci_dev_test_flag(d, HCI_UNCONFIGURED)) {
rp->index[count++] = cpu_to_le16(d->id);
bt_dev_dbg(hdev, "Added hci%u", d->id);
}
@@ -561,10 +556,8 @@ static int read_ext_index_list(struct sock *sk, struct hci_dev *hdev,
read_lock(&hci_dev_list_lock);
count = 0;
- list_for_each_entry(d, &hci_dev_list, list) {
- if (d->dev_type == HCI_PRIMARY || d->dev_type == HCI_AMP)
- count++;
- }
+ list_for_each_entry(d, &hci_dev_list, list)
+ count++;
rp = kmalloc(struct_size(rp, entry, count), GFP_ATOMIC);
if (!rp) {
@@ -585,16 +578,10 @@ static int read_ext_index_list(struct sock *sk, struct hci_dev *hdev,
if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
continue;
- if (d->dev_type == HCI_PRIMARY) {
- if (hci_dev_test_flag(d, HCI_UNCONFIGURED))
- rp->entry[count].type = 0x01;
- else
- rp->entry[count].type = 0x00;
- } else if (d->dev_type == HCI_AMP) {
- rp->entry[count].type = 0x02;
- } else {
- continue;
- }
+ if (hci_dev_test_flag(d, HCI_UNCONFIGURED))
+ rp->entry[count].type = 0x01;
+ else
+ rp->entry[count].type = 0x00;
rp->entry[count].bus = d->bus;
rp->entry[count++].index = cpu_to_le16(d->id);
@@ -3469,6 +3456,10 @@ static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
* will be kept and this function does nothing.
*/
p = hci_conn_params_add(hdev, &cp->addr.bdaddr, addr_type);
+ if (!p) {
+ err = -EIO;
+ goto unlock;
+ }
if (p->auto_connect == HCI_AUTO_CONN_EXPLICIT)
p->auto_connect = HCI_AUTO_CONN_DISABLED;
@@ -7825,6 +7816,18 @@ unlock:
return err;
}
+static int conn_update_sync(struct hci_dev *hdev, void *data)
+{
+ struct hci_conn_params *params = data;
+ struct hci_conn *conn;
+
+ conn = hci_conn_hash_lookup_le(hdev, &params->addr, params->addr_type);
+ if (!conn)
+ return -ECANCELED;
+
+ return hci_le_conn_update_sync(hdev, conn, params);
+}
+
static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
u16 len)
{
@@ -7858,12 +7861,14 @@ static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
hci_dev_lock(hdev);
- hci_conn_params_clear_disabled(hdev);
+ if (param_count > 1)
+ hci_conn_params_clear_disabled(hdev);
for (i = 0; i < param_count; i++) {
struct mgmt_conn_param *param = &cp->params[i];
struct hci_conn_params *hci_param;
u16 min, max, latency, timeout;
+ bool update = false;
u8 addr_type;
bt_dev_dbg(hdev, "Adding %pMR (type %u)", &param->addr.bdaddr,
@@ -7891,6 +7896,19 @@ static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
continue;
}
+ /* Detect when the loading is for an existing parameter then
+ * attempt to trigger the connection update procedure.
+ */
+ if (!i && param_count == 1) {
+ hci_param = hci_conn_params_lookup(hdev,
+ &param->addr.bdaddr,
+ addr_type);
+ if (hci_param)
+ update = true;
+ else
+ hci_conn_params_clear_disabled(hdev);
+ }
+
hci_param = hci_conn_params_add(hdev, &param->addr.bdaddr,
addr_type);
if (!hci_param) {
@@ -7902,6 +7920,25 @@ static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
hci_param->conn_max_interval = max;
hci_param->conn_latency = latency;
hci_param->supervision_timeout = timeout;
+
+ /* Check if we need to trigger a connection update */
+ if (update) {
+ struct hci_conn *conn;
+
+ /* Lookup for existing connection as central and check
+ * if parameters match and if they don't then trigger
+ * a connection update.
+ */
+ conn = hci_conn_hash_lookup_le(hdev, &hci_param->addr,
+ addr_type);
+ if (conn && conn->role == HCI_ROLE_MASTER &&
+ (conn->le_conn_min_interval != min ||
+ conn->le_conn_max_interval != max ||
+ conn->le_conn_latency != latency ||
+ conn->le_supv_timeout != timeout))
+ hci_cmd_sync_queue(hdev, conn_update_sync,
+ hci_param, NULL);
+ }
}
hci_dev_unlock(hdev);
@@ -9331,23 +9368,14 @@ void mgmt_index_added(struct hci_dev *hdev)
if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
return;
- switch (hdev->dev_type) {
- case HCI_PRIMARY:
- if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
- mgmt_index_event(MGMT_EV_UNCONF_INDEX_ADDED, hdev,
- NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
- ev.type = 0x01;
- } else {
- mgmt_index_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0,
- HCI_MGMT_INDEX_EVENTS);
- ev.type = 0x00;
- }
- break;
- case HCI_AMP:
- ev.type = 0x02;
- break;
- default:
- return;
+ if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
+ mgmt_index_event(MGMT_EV_UNCONF_INDEX_ADDED, hdev, NULL, 0,
+ HCI_MGMT_UNCONF_INDEX_EVENTS);
+ ev.type = 0x01;
+ } else {
+ mgmt_index_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0,
+ HCI_MGMT_INDEX_EVENTS);
+ ev.type = 0x00;
}
ev.bus = hdev->bus;
@@ -9364,25 +9392,16 @@ void mgmt_index_removed(struct hci_dev *hdev)
if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
return;
- switch (hdev->dev_type) {
- case HCI_PRIMARY:
- mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
+ mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
- if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
- mgmt_index_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev,
- NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
- ev.type = 0x01;
- } else {
- mgmt_index_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0,
- HCI_MGMT_INDEX_EVENTS);
- ev.type = 0x00;
- }
- break;
- case HCI_AMP:
- ev.type = 0x02;
- break;
- default:
- return;
+ if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
+ mgmt_index_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev, NULL, 0,
+ HCI_MGMT_UNCONF_INDEX_EVENTS);
+ ev.type = 0x01;
+ } else {
+ mgmt_index_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0,
+ HCI_MGMT_INDEX_EVENTS);
+ ev.type = 0x00;
}
ev.bus = hdev->bus;
generated by cgit v1.2.3-70-g09d2 (git 2.51.1) at 2025-10-25 08:28:15 +0000