#include "a2mp.h"
#include "amp.h"
+#include "smp.h"
/* Handle HCI Event packets */
smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
wake_up_bit(&hdev->flags, HCI_INQUIRY);
+ hci_dev_lock(hdev);
+ hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
+ hci_dev_unlock(hdev);
+
hci_conn_check_pending(hdev);
}
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
if (conn) {
if (rp->role)
- conn->link_mode &= ~HCI_LM_MASTER;
+ clear_bit(HCI_CONN_MASTER, &conn->flags);
else
- conn->link_mode |= HCI_LM_MASTER;
+ set_bit(HCI_CONN_MASTER, &conn->flags);
}
hci_dev_unlock(hdev);
BT_DBG("%s status 0x%2.2x", hdev->name, status);
+ if (status)
+ return;
+
sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
if (!sent)
return;
- if (!status)
- hdev->link_policy = get_unaligned_le16(sent);
+ hdev->link_policy = get_unaligned_le16(sent);
}
static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
+ __u8 param;
void *sent;
BT_DBG("%s status 0x%2.2x", hdev->name, status);
+ if (status)
+ return;
+
sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
if (!sent)
return;
- if (!status) {
- __u8 param = *((__u8 *) sent);
+ param = *((__u8 *) sent);
- if (param)
- set_bit(HCI_ENCRYPT, &hdev->flags);
- else
- clear_bit(HCI_ENCRYPT, &hdev->flags);
- }
+ if (param)
+ set_bit(HCI_ENCRYPT, &hdev->flags);
+ else
+ clear_bit(HCI_ENCRYPT, &hdev->flags);
}
static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
{
- __u8 param, status = *((__u8 *) skb->data);
+ __u8 status = *((__u8 *) skb->data);
+ __u8 param;
int old_pscan, old_iscan;
void *sent;
BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
- if (!rp->status)
- hdev->flow_ctl_mode = rp->mode;
+ if (rp->status)
+ return;
+
+ hdev->flow_ctl_mode = rp->mode;
}
static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
- if (!rp->status)
+ if (rp->status)
+ return;
+
+ if (test_bit(HCI_INIT, &hdev->flags))
bacpy(&hdev->bdaddr, &rp->bdaddr);
+
+ if (test_bit(HCI_SETUP, &hdev->dev_flags))
+ bacpy(&hdev->setup_addr, &rp->bdaddr);
}
static void hci_cc_read_page_scan_activity(struct hci_dev *hdev,
BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
- if (test_bit(HCI_INIT, &hdev->flags) && !rp->status) {
+ if (rp->status)
+ return;
+
+ if (test_bit(HCI_INIT, &hdev->flags)) {
hdev->page_scan_interval = __le16_to_cpu(rp->interval);
hdev->page_scan_window = __le16_to_cpu(rp->window);
}
BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
- if (test_bit(HCI_INIT, &hdev->flags) && !rp->status)
+ if (rp->status)
+ return;
+
+ if (test_bit(HCI_INIT, &hdev->flags))
hdev->page_scan_type = rp->type;
}
hdev->block_cnt, hdev->block_len);
}
+static void hci_cc_read_clock(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_rp_read_clock *rp = (void *) skb->data;
+ struct hci_cp_read_clock *cp;
+ struct hci_conn *conn;
+
+ BT_DBG("%s", hdev->name);
+
+ if (skb->len < sizeof(*rp))
+ return;
+
+ if (rp->status)
+ return;
+
+ hci_dev_lock(hdev);
+
+ cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
+ if (!cp)
+ goto unlock;
+
+ if (cp->which == 0x00) {
+ hdev->clock = le32_to_cpu(rp->clock);
+ goto unlock;
+ }
+
+ conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
+ if (conn) {
+ conn->clock = le32_to_cpu(rp->clock);
+ conn->clock_accuracy = le16_to_cpu(rp->accuracy);
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
struct sk_buff *skb)
{
BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
- if (!rp->status)
- hdev->inq_tx_power = rp->tx_power;
+ if (rp->status)
+ return;
+
+ hdev->inq_tx_power = rp->tx_power;
}
static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb)
BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
- if (!rp->status)
- memcpy(hdev->le_features, rp->features, 8);
+ if (rp->status)
+ return;
+
+ memcpy(hdev->le_features, rp->features, 8);
}
static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev,
BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
- if (!rp->status)
- hdev->adv_tx_power = rp->tx_power;
+ if (rp->status)
+ return;
+
+ hdev->adv_tx_power = rp->tx_power;
}
static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
BT_DBG("%s status 0x%2.2x", hdev->name, status);
+ if (status)
+ return;
+
sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_RANDOM_ADDR);
if (!sent)
return;
hci_dev_lock(hdev);
- if (!status)
- bacpy(&hdev->random_addr, sent);
+ bacpy(&hdev->random_addr, sent);
hci_dev_unlock(hdev);
}
BT_DBG("%s status 0x%2.2x", hdev->name, status);
- sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE);
- if (!sent)
+ if (status)
return;
- if (status)
+ sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE);
+ if (!sent)
return;
hci_dev_lock(hdev);
BT_DBG("%s status 0x%2.2x", hdev->name, status);
+ if (status)
+ return;
+
cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_PARAM);
if (!cp)
return;
hci_dev_lock(hdev);
- if (!status)
- hdev->le_scan_type = cp->type;
+ hdev->le_scan_type = cp->type;
hci_dev_unlock(hdev);
}
}
static void store_pending_adv_report(struct hci_dev *hdev, bdaddr_t *bdaddr,
- u8 bdaddr_type, s8 rssi, u8 *data, u8 len)
+ u8 bdaddr_type, s8 rssi, u32 flags,
+ u8 *data, u8 len)
{
struct discovery_state *d = &hdev->discovery;
bacpy(&d->last_adv_addr, bdaddr);
d->last_adv_addr_type = bdaddr_type;
d->last_adv_rssi = rssi;
+ d->last_adv_flags = flags;
memcpy(d->last_adv_data, data, len);
d->last_adv_data_len = len;
}
BT_DBG("%s status 0x%2.2x", hdev->name, status);
- cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
- if (!cp)
+ if (status)
return;
- if (status)
+ cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
+ if (!cp)
return;
switch (cp->enable) {
mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
d->last_adv_addr_type, NULL,
- d->last_adv_rssi, 0, 1,
+ d->last_adv_rssi, d->last_adv_flags,
d->last_adv_data,
d->last_adv_data_len, NULL, 0);
}
BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size);
- if (!rp->status)
- hdev->le_white_list_size = rp->size;
+ if (rp->status)
+ return;
+
+ hdev->le_white_list_size = rp->size;
}
static void hci_cc_le_clear_white_list(struct hci_dev *hdev,
BT_DBG("%s status 0x%2.2x", hdev->name, status);
- if (!status)
- hci_white_list_clear(hdev);
+ if (status)
+ return;
+
+ hci_white_list_clear(hdev);
}
static void hci_cc_le_add_to_white_list(struct hci_dev *hdev,
BT_DBG("%s status 0x%2.2x", hdev->name, status);
+ if (status)
+ return;
+
sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_WHITE_LIST);
if (!sent)
return;
- if (!status)
- hci_white_list_add(hdev, &sent->bdaddr, sent->bdaddr_type);
+ hci_white_list_add(hdev, &sent->bdaddr, sent->bdaddr_type);
}
static void hci_cc_le_del_from_white_list(struct hci_dev *hdev,
BT_DBG("%s status 0x%2.2x", hdev->name, status);
+ if (status)
+ return;
+
sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_WHITE_LIST);
if (!sent)
return;
- if (!status)
- hci_white_list_del(hdev, &sent->bdaddr, sent->bdaddr_type);
+ hci_white_list_del(hdev, &sent->bdaddr, sent->bdaddr_type);
}
static void hci_cc_le_read_supported_states(struct hci_dev *hdev,
BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
- if (!rp->status)
- memcpy(hdev->le_states, rp->le_states, 8);
+ if (rp->status)
+ return;
+
+ memcpy(hdev->le_states, rp->le_states, 8);
}
static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
BT_DBG("%s status 0x%2.2x", hdev->name, status);
+ if (status)
+ return;
+
sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED);
if (!sent)
return;
- if (!status) {
- if (sent->le) {
- hdev->features[1][0] |= LMP_HOST_LE;
- set_bit(HCI_LE_ENABLED, &hdev->dev_flags);
- } else {
- hdev->features[1][0] &= ~LMP_HOST_LE;
- clear_bit(HCI_LE_ENABLED, &hdev->dev_flags);
- clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
- }
-
- if (sent->simul)
- hdev->features[1][0] |= LMP_HOST_LE_BREDR;
- else
- hdev->features[1][0] &= ~LMP_HOST_LE_BREDR;
+ if (sent->le) {
+ hdev->features[1][0] |= LMP_HOST_LE;
+ set_bit(HCI_LE_ENABLED, &hdev->dev_flags);
+ } else {
+ hdev->features[1][0] &= ~LMP_HOST_LE;
+ clear_bit(HCI_LE_ENABLED, &hdev->dev_flags);
+ clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
}
+
+ if (sent->simul)
+ hdev->features[1][0] |= LMP_HOST_LE_BREDR;
+ else
+ hdev->features[1][0] &= ~LMP_HOST_LE_BREDR;
}
static void hci_cc_set_adv_param(struct hci_dev *hdev, struct sk_buff *skb)
conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr);
if (conn) {
conn->out = true;
- conn->link_mode |= HCI_LM_MASTER;
+ set_bit(HCI_CONN_MASTER, &conn->flags);
} else
BT_ERR("No memory for new connection");
}
hci_dev_lock(hdev);
for (; num_rsp; num_rsp--, info++) {
- bool name_known, ssp;
+ u32 flags;
bacpy(&data.bdaddr, &info->bdaddr);
data.pscan_rep_mode = info->pscan_rep_mode;
data.rssi = 0x00;
data.ssp_mode = 0x00;
- name_known = hci_inquiry_cache_update(hdev, &data, false, &ssp);
+ flags = hci_inquiry_cache_update(hdev, &data, false);
+
mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
- info->dev_class, 0, !name_known, ssp, NULL,
- 0, NULL, 0);
+ info->dev_class, 0, flags, NULL, 0, NULL, 0);
}
hci_dev_unlock(hdev);
hci_conn_add_sysfs(conn);
if (test_bit(HCI_AUTH, &hdev->flags))
- conn->link_mode |= HCI_LM_AUTH;
+ set_bit(HCI_CONN_AUTH, &conn->flags);
if (test_bit(HCI_ENCRYPT, &hdev->flags))
- conn->link_mode |= HCI_LM_ENCRYPT;
+ set_bit(HCI_CONN_ENCRYPT, &conn->flags);
/* Get remote features */
if (conn->type == ACL_LINK) {
mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type,
reason, mgmt_connected);
- if (conn->type == ACL_LINK && conn->flush_key)
+ if (conn->type == ACL_LINK &&
+ test_bit(HCI_CONN_FLUSH_KEY, &conn->flags))
hci_remove_link_key(hdev, &conn->dst);
params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
/* Fall through */
case HCI_AUTO_CONN_ALWAYS:
- hci_pend_le_conn_add(hdev, &conn->dst, conn->dst_type);
+ list_del_init(¶ms->action);
+ list_add(¶ms->action, &hdev->pend_le_conns);
+ hci_update_background_scan(hdev);
break;
default:
test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
BT_INFO("re-auth of legacy device is not possible.");
} else {
- conn->link_mode |= HCI_LM_AUTH;
+ set_bit(HCI_CONN_AUTH, &conn->flags);
conn->sec_level = conn->pending_sec_level;
}
} else {
if (!ev->status) {
if (ev->encrypt) {
/* Encryption implies authentication */
- conn->link_mode |= HCI_LM_AUTH;
- conn->link_mode |= HCI_LM_ENCRYPT;
+ set_bit(HCI_CONN_AUTH, &conn->flags);
+ set_bit(HCI_CONN_ENCRYPT, &conn->flags);
conn->sec_level = conn->pending_sec_level;
/* P-256 authentication key implies FIPS */
if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256)
- conn->link_mode |= HCI_LM_FIPS;
+ set_bit(HCI_CONN_FIPS, &conn->flags);
if ((conn->type == ACL_LINK && ev->encrypt == 0x02) ||
conn->type == LE_LINK)
set_bit(HCI_CONN_AES_CCM, &conn->flags);
} else {
- conn->link_mode &= ~HCI_LM_ENCRYPT;
+ clear_bit(HCI_CONN_ENCRYPT, &conn->flags);
clear_bit(HCI_CONN_AES_CCM, &conn->flags);
}
}
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
if (conn) {
if (!ev->status)
- conn->link_mode |= HCI_LM_SECURE;
+ set_bit(HCI_CONN_SECURE, &conn->flags);
clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
hci_cc_read_local_amp_info(hdev, skb);
break;
+ case HCI_OP_READ_CLOCK:
+ hci_cc_read_clock(hdev, skb);
+ break;
+
case HCI_OP_READ_LOCAL_AMP_ASSOC:
hci_cc_read_local_amp_assoc(hdev, skb);
break;
}
if (opcode != HCI_OP_NOP)
- del_timer(&hdev->cmd_timer);
+ cancel_delayed_work(&hdev->cmd_timer);
hci_req_cmd_complete(hdev, opcode, status);
}
if (opcode != HCI_OP_NOP)
- del_timer(&hdev->cmd_timer);
+ cancel_delayed_work(&hdev->cmd_timer);
if (ev->status ||
(hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event))
if (conn) {
if (!ev->status) {
if (ev->role)
- conn->link_mode &= ~HCI_LM_MASTER;
+ clear_bit(HCI_CONN_MASTER, &conn->flags);
else
- conn->link_mode |= HCI_LM_MASTER;
+ set_bit(HCI_CONN_MASTER, &conn->flags);
}
clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
&ev->bdaddr);
- if (!test_bit(HCI_DEBUG_KEYS, &hdev->dev_flags) &&
- key->type == HCI_LK_DEBUG_COMBINATION) {
- BT_DBG("%s ignoring debug key", hdev->name);
- goto not_found;
- }
-
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
if (conn) {
if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 ||
{
struct hci_ev_link_key_notify *ev = (void *) skb->data;
struct hci_conn *conn;
+ struct link_key *key;
+ bool persistent;
u8 pin_len = 0;
BT_DBG("%s", hdev->name);
hci_conn_drop(conn);
}
- if (test_bit(HCI_MGMT, &hdev->dev_flags))
- hci_add_link_key(hdev, conn, 1, &ev->bdaddr, ev->link_key,
- ev->key_type, pin_len);
+ if (!test_bit(HCI_MGMT, &hdev->dev_flags))
+ goto unlock;
+ key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key,
+ ev->key_type, pin_len, &persistent);
+ if (!key)
+ goto unlock;
+
+ mgmt_new_link_key(hdev, key, persistent);
+
+ /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag
+ * is set. If it's not set simply remove the key from the kernel
+ * list (we've still notified user space about it but with
+ * store_hint being 0).
+ */
+ if (key->type == HCI_LK_DEBUG_COMBINATION &&
+ !test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags)) {
+ list_del(&key->list);
+ kfree(key);
+ } else if (conn) {
+ if (persistent)
+ clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
+ else
+ set_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
+ }
+
+unlock:
hci_dev_unlock(hdev);
}
{
struct inquiry_data data;
int num_rsp = *((__u8 *) skb->data);
- bool name_known, ssp;
BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
info = (void *) (skb->data + 1);
for (; num_rsp; num_rsp--, info++) {
+ u32 flags;
+
bacpy(&data.bdaddr, &info->bdaddr);
data.pscan_rep_mode = info->pscan_rep_mode;
data.pscan_period_mode = info->pscan_period_mode;
data.rssi = info->rssi;
data.ssp_mode = 0x00;
- name_known = hci_inquiry_cache_update(hdev, &data,
- false, &ssp);
+ flags = hci_inquiry_cache_update(hdev, &data, false);
+
mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
info->dev_class, info->rssi,
- !name_known, ssp, NULL, 0, NULL, 0);
+ flags, NULL, 0, NULL, 0);
}
} else {
struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
for (; num_rsp; num_rsp--, info++) {
+ u32 flags;
+
bacpy(&data.bdaddr, &info->bdaddr);
data.pscan_rep_mode = info->pscan_rep_mode;
data.pscan_period_mode = info->pscan_period_mode;
data.clock_offset = info->clock_offset;
data.rssi = info->rssi;
data.ssp_mode = 0x00;
- name_known = hci_inquiry_cache_update(hdev, &data,
- false, &ssp);
+
+ flags = hci_inquiry_cache_update(hdev, &data, false);
+
mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
info->dev_class, info->rssi,
- !name_known, ssp, NULL, 0, NULL, 0);
+ flags, NULL, 0, NULL, 0);
}
}
hci_conn_add_sysfs(conn);
break;
+ case 0x10: /* Connection Accept Timeout */
case 0x0d: /* Connection Rejected due to Limited Resources */
case 0x11: /* Unsupported Feature or Parameter Value */
case 0x1c: /* SCO interval rejected */
hci_dev_lock(hdev);
for (; num_rsp; num_rsp--, info++) {
- bool name_known, ssp;
+ u32 flags;
+ bool name_known;
bacpy(&data.bdaddr, &info->bdaddr);
data.pscan_rep_mode = info->pscan_rep_mode;
else
name_known = true;
- name_known = hci_inquiry_cache_update(hdev, &data, name_known,
- &ssp);
+ flags = hci_inquiry_cache_update(hdev, &data, name_known);
+
eir_len = eir_get_length(info->data, sizeof(info->data));
+
mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
- info->dev_class, info->rssi, !name_known,
- ssp, info->data, eir_len, NULL, 0);
+ info->dev_class, info->rssi,
+ flags, info->data, eir_len, NULL, 0);
}
hci_dev_unlock(hdev);
cp.authentication = conn->auth_type;
/* Request MITM protection if our IO caps allow it
- * except for the no-bonding case
+ * except for the no-bonding case.
+ * conn->auth_type is not updated here since
+ * that might cause the user confirmation to be
+ * rejected in case the remote doesn't have the
+ * IO capabilities for MITM.
*/
if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
cp.authentication != HCI_AT_NO_BONDING)
/* If we're not the initiators request authorization to
* proceed from user space (mgmt_user_confirm with
- * confirm_hint set to 1). */
- if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
+ * confirm_hint set to 1). The exception is if neither
+ * side had MITM in which case we do auto-accept.
+ */
+ if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) &&
+ (loc_mitm || rem_mitm)) {
BT_DBG("Confirming auto-accept as acceptor");
confirm_hint = 1;
goto confirm;
static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_le_conn_complete *ev = (void *) skb->data;
+ struct hci_conn_params *params;
struct hci_conn *conn;
struct smp_irk *irk;
+ u8 addr_type;
BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
if (ev->role == LE_CONN_ROLE_MASTER) {
conn->out = true;
- conn->link_mode |= HCI_LM_MASTER;
+ set_bit(HCI_CONN_MASTER, &conn->flags);
}
/* If we didn't have a hci_conn object previously
conn->init_addr_type = ev->bdaddr_type;
bacpy(&conn->init_addr, &ev->bdaddr);
+
+ /* For incoming connections, set the default minimum
+ * and maximum connection interval. They will be used
+ * to check if the parameters are in range and if not
+ * trigger the connection update procedure.
+ */
+ conn->le_conn_min_interval = hdev->le_conn_min_interval;
+ conn->le_conn_max_interval = hdev->le_conn_max_interval;
}
/* Lookup the identity address from the stored connection
conn->dst_type = irk->addr_type;
}
+ if (conn->dst_type == ADDR_LE_DEV_PUBLIC)
+ addr_type = BDADDR_LE_PUBLIC;
+ else
+ addr_type = BDADDR_LE_RANDOM;
+
+ /* Drop the connection if he device is blocked */
+ if (hci_blacklist_lookup(hdev, &conn->dst, addr_type)) {
+ hci_conn_drop(conn);
+ goto unlock;
+ }
+
if (ev->status) {
hci_le_conn_failed(conn, ev->status);
goto unlock;
conn->handle = __le16_to_cpu(ev->handle);
conn->state = BT_CONNECTED;
- if (test_bit(HCI_6LOWPAN_ENABLED, &hdev->dev_flags))
- set_bit(HCI_CONN_6LOWPAN, &conn->flags);
+ conn->le_conn_interval = le16_to_cpu(ev->interval);
+ conn->le_conn_latency = le16_to_cpu(ev->latency);
+ conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
hci_conn_add_sysfs(conn);
hci_proto_connect_cfm(conn, ev->status);
- hci_pend_le_conn_del(hdev, &conn->dst, conn->dst_type);
+ params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
+ if (params) {
+ list_del_init(¶ms->action);
+ hci_update_background_scan(hdev);
+ }
unlock:
hci_dev_unlock(hdev);
}
-/* This function requires the caller holds hdev->lock */
-static void check_pending_le_conn(struct hci_dev *hdev, bdaddr_t *addr,
- u8 addr_type)
+static void hci_le_conn_update_complete_evt(struct hci_dev *hdev,
+ struct sk_buff *skb)
{
+ struct hci_ev_le_conn_update_complete *ev = (void *) skb->data;
struct hci_conn *conn;
- struct smp_irk *irk;
- /* If this is a resolvable address, we should resolve it and then
- * update address and address type variables.
- */
- irk = hci_get_irk(hdev, addr, addr_type);
- if (irk) {
- addr = &irk->bdaddr;
- addr_type = irk->addr_type;
- }
+ BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
- if (!hci_pend_le_conn_lookup(hdev, addr, addr_type))
+ if (ev->status)
return;
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
+ if (conn) {
+ conn->le_conn_interval = le16_to_cpu(ev->interval);
+ conn->le_conn_latency = le16_to_cpu(ev->latency);
+ conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
+ }
+
+ hci_dev_unlock(hdev);
+}
+
+/* This function requires the caller holds hdev->lock */
+static bool check_pending_le_conn(struct hci_dev *hdev, bdaddr_t *addr,
+ u8 addr_type)
+{
+ struct hci_conn *conn;
+
+ if (!hci_pend_le_action_lookup(&hdev->pend_le_conns, addr, addr_type))
+ return false;
+
conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW,
HCI_AT_NO_BONDING);
if (!IS_ERR(conn))
- return;
+ return true;
switch (PTR_ERR(conn)) {
case -EBUSY:
default:
BT_DBG("Failed to connect: err %ld", PTR_ERR(conn));
}
+
+ return true;
}
static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
{
struct discovery_state *d = &hdev->discovery;
bool match;
+ u32 flags;
- /* Passive scanning shouldn't trigger any device found events */
+ /* Passive scanning shouldn't trigger any device found events,
+ * except for devices marked as CONN_REPORT for which we do send
+ * device found events.
+ */
if (hdev->le_scan_type == LE_SCAN_PASSIVE) {
- if (type == LE_ADV_IND || type == LE_ADV_DIRECT_IND)
- check_pending_le_conn(hdev, bdaddr, bdaddr_type);
+ struct hci_conn_params *param;
+ struct smp_irk *irk;
+
+ /* Check if we need to convert to identity address */
+ irk = hci_get_irk(hdev, bdaddr, bdaddr_type);
+ if (irk) {
+ bdaddr = &irk->bdaddr;
+ bdaddr_type = irk->addr_type;
+ }
+
+ /* Ignore if the device is blocked */
+ if (hci_blacklist_lookup(hdev, bdaddr, bdaddr_type))
+ return;
+
+ if (type == LE_ADV_IND || type == LE_ADV_DIRECT_IND) {
+ if (check_pending_le_conn(hdev, bdaddr, bdaddr_type))
+ return;
+ }
+
+ if (type == LE_ADV_DIRECT_IND)
+ return;
+
+ param = hci_pend_le_action_lookup(&hdev->pend_le_reports,
+ bdaddr, bdaddr_type);
+ if (!param)
+ return;
+
+ if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND)
+ flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
+ else
+ flags = 0;
+ mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
+ rssi, flags, data, len, NULL, 0);
return;
}
+ /* When receiving non-connectable or scannable undirected
+ * advertising reports, this means that the remote device is
+ * not connectable and then clearly indicate this in the
+ * device found event.
+ *
+ * When receiving a scan response, then there is no way to
+ * know if the remote device is connectable or not. However
+ * since scan responses are merged with a previously seen
+ * advertising report, the flags field from that report
+ * will be used.
+ *
+ * In the really unlikely case that a controller get confused
+ * and just sends a scan response event, then it is marked as
+ * not connectable as well.
+ */
+ if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND ||
+ type == LE_ADV_SCAN_RSP)
+ flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
+ else
+ flags = 0;
+
/* If there's nothing pending either store the data from this
* event or send an immediate device found event if the data
* should not be stored for later.
*/
if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
store_pending_adv_report(hdev, bdaddr, bdaddr_type,
- rssi, data, len);
+ rssi, flags, data, len);
return;
}
mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
- rssi, 0, 1, data, len, NULL, 0);
+ rssi, flags, data, len, NULL, 0);
return;
}
if (!match)
mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
d->last_adv_addr_type, NULL,
- d->last_adv_rssi, 0, 1,
+ d->last_adv_rssi, d->last_adv_flags,
d->last_adv_data,
d->last_adv_data_len, NULL, 0);
*/
if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
store_pending_adv_report(hdev, bdaddr, bdaddr_type,
- rssi, data, len);
+ rssi, flags, data, len);
return;
}
*/
clear_pending_adv_report(hdev);
mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
- rssi, 0, 1, data, len, NULL, 0);
+ rssi, flags, data, len, NULL, 0);
return;
}
* sending a merged device found event.
*/
mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
- d->last_adv_addr_type, NULL, rssi, 0, 1, data, len,
- d->last_adv_data, d->last_adv_data_len);
+ d->last_adv_addr_type, NULL, rssi, d->last_adv_flags,
+ d->last_adv_data, d->last_adv_data_len, data, len);
clear_pending_adv_report(hdev);
}
* distribute the keys. Later, security can be re-established
* using a distributed LTK.
*/
- if (ltk->type == HCI_SMP_STK_SLAVE) {
+ if (ltk->type == SMP_STK) {
+ set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
list_del(<k->list);
kfree(ltk);
+ } else {
+ clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
}
hci_dev_unlock(hdev);
hci_dev_unlock(hdev);
}
+static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle,
+ u8 reason)
+{
+ struct hci_cp_le_conn_param_req_neg_reply cp;
+
+ cp.handle = cpu_to_le16(handle);
+ cp.reason = reason;
+
+ hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp),
+ &cp);
+}
+
+static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data;
+ struct hci_cp_le_conn_param_req_reply cp;
+ struct hci_conn *hcon;
+ u16 handle, min, max, latency, timeout;
+
+ handle = le16_to_cpu(ev->handle);
+ min = le16_to_cpu(ev->interval_min);
+ max = le16_to_cpu(ev->interval_max);
+ latency = le16_to_cpu(ev->latency);
+ timeout = le16_to_cpu(ev->timeout);
+
+ hcon = hci_conn_hash_lookup_handle(hdev, handle);
+ if (!hcon || hcon->state != BT_CONNECTED)
+ return send_conn_param_neg_reply(hdev, handle,
+ HCI_ERROR_UNKNOWN_CONN_ID);
+
+ if (hci_check_conn_params(min, max, latency, timeout))
+ return send_conn_param_neg_reply(hdev, handle,
+ HCI_ERROR_INVALID_LL_PARAMS);
+
+ if (test_bit(HCI_CONN_MASTER, &hcon->flags)) {
+ struct hci_conn_params *params;
+ u8 store_hint;
+
+ hci_dev_lock(hdev);
+
+ params = hci_conn_params_lookup(hdev, &hcon->dst,
+ hcon->dst_type);
+ if (params) {
+ params->conn_min_interval = min;
+ params->conn_max_interval = max;
+ params->conn_latency = latency;
+ params->supervision_timeout = timeout;
+ store_hint = 0x01;
+ } else{
+ store_hint = 0x00;
+ }
+
+ hci_dev_unlock(hdev);
+
+ mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type,
+ store_hint, min, max, latency, timeout);
+ }
+
+ cp.handle = ev->handle;
+ cp.interval_min = ev->interval_min;
+ cp.interval_max = ev->interval_max;
+ cp.latency = ev->latency;
+ cp.timeout = ev->timeout;
+ cp.min_ce_len = 0;
+ cp.max_ce_len = 0;
+
+ hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp);
+}
+
static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_le_meta *le_ev = (void *) skb->data;
hci_le_conn_complete_evt(hdev, skb);
break;
+ case HCI_EV_LE_CONN_UPDATE_COMPLETE:
+ hci_le_conn_update_complete_evt(hdev, skb);
+ break;
+
case HCI_EV_LE_ADVERTISING_REPORT:
hci_le_adv_report_evt(hdev, skb);
break;
hci_le_ltk_request_evt(hdev, skb);
break;
+ case HCI_EV_LE_REMOTE_CONN_PARAM_REQ:
+ hci_le_remote_conn_param_req_evt(hdev, skb);
+ break;
+
default:
break;
}
projects / cascardo / linux.git / blobdiff