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authorLinus Torvalds <torvalds@linux-foundation.org>2020-08-06 06:13:21 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2020-08-06 06:13:21 +0300
commit47ec5303d73ea344e84f46660fff693c57641386 (patch)
treea2252debab749de29620c43285295d60c4741119 /net/bluetooth/hci_request.c
parent8186749621ed6b8fc42644c399e8c755a2b6f630 (diff)
parentc1055b76ad00aed0e8b79417080f212d736246b6 (diff)
downloadlinux-47ec5303d73ea344e84f46660fff693c57641386.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from David Miller: 1) Support 6Ghz band in ath11k driver, from Rajkumar Manoharan. 2) Support UDP segmentation in code TSO code, from Eric Dumazet. 3) Allow flashing different flash images in cxgb4 driver, from Vishal Kulkarni. 4) Add drop frames counter and flow status to tc flower offloading, from Po Liu. 5) Support n-tuple filters in cxgb4, from Vishal Kulkarni. 6) Various new indirect call avoidance, from Eric Dumazet and Brian Vazquez. 7) Fix BPF verifier failures on 32-bit pointer arithmetic, from Yonghong Song. 8) Support querying and setting hardware address of a port function via devlink, use this in mlx5, from Parav Pandit. 9) Support hw ipsec offload on bonding slaves, from Jarod Wilson. 10) Switch qca8k driver over to phylink, from Jonathan McDowell. 11) In bpftool, show list of processes holding BPF FD references to maps, programs, links, and btf objects. From Andrii Nakryiko. 12) Several conversions over to generic power management, from Vaibhav Gupta. 13) Add support for SO_KEEPALIVE et al. to bpf_setsockopt(), from Dmitry Yakunin. 14) Various https url conversions, from Alexander A. Klimov. 15) Timestamping and PHC support for mscc PHY driver, from Antoine Tenart. 16) Support bpf iterating over tcp and udp sockets, from Yonghong Song. 17) Support 5GBASE-T i40e NICs, from Aleksandr Loktionov. 18) Add kTLS RX HW offload support to mlx5e, from Tariq Toukan. 19) Fix the ->ndo_start_xmit() return type to be netdev_tx_t in several drivers. From Luc Van Oostenryck. 20) XDP support for xen-netfront, from Denis Kirjanov. 21) Support receive buffer autotuning in MPTCP, from Florian Westphal. 22) Support EF100 chip in sfc driver, from Edward Cree. 23) Add XDP support to mvpp2 driver, from Matteo Croce. 24) Support MPTCP in sock_diag, from Paolo Abeni. 25) Commonize UDP tunnel offloading code by creating udp_tunnel_nic infrastructure, from Jakub Kicinski. 26) Several pci_ --> dma_ API conversions, from Christophe JAILLET. 27) Add FLOW_ACTION_POLICE support to mlxsw, from Ido Schimmel. 28) Add SK_LOOKUP bpf program type, from Jakub Sitnicki. 29) Refactor a lot of networking socket option handling code in order to avoid set_fs() calls, from Christoph Hellwig. 30) Add rfc4884 support to icmp code, from Willem de Bruijn. 31) Support TBF offload in dpaa2-eth driver, from Ioana Ciornei. 32) Support XDP_REDIRECT in qede driver, from Alexander Lobakin. 33) Support PCI relaxed ordering in mlx5 driver, from Aya Levin. 34) Support TCP syncookies in MPTCP, from Flowian Westphal. 35) Fix several tricky cases of PMTU handling wrt. briding, from Stefano Brivio. * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2056 commits) net: thunderx: initialize VF's mailbox mutex before first usage usb: hso: remove bogus check for EINPROGRESS usb: hso: no complaint about kmalloc failure hso: fix bailout in error case of probe ip_tunnel_core: Fix build for archs without _HAVE_ARCH_IPV6_CSUM selftests/net: relax cpu affinity requirement in msg_zerocopy test mptcp: be careful on subflow creation selftests: rtnetlink: make kci_test_encap() return sub-test result selftests: rtnetlink: correct the final return value for the test net: dsa: sja1105: use detected device id instead of DT one on mismatch tipc: set ub->ifindex for local ipv6 address ipv6: add ipv6_dev_find() net: openvswitch: silence suspicious RCU usage warning Revert "vxlan: fix tos value before xmit" ptp: only allow phase values lower than 1 period farsync: switch from 'pci_' to 'dma_' API wan: wanxl: switch from 'pci_' to 'dma_' API hv_netvsc: do not use VF device if link is down dpaa2-eth: Fix passing zero to 'PTR_ERR' warning net: macb: Properly handle phylink on at91sam9x ...
Diffstat (limited to 'net/bluetooth/hci_request.c')
-rw-r--r--net/bluetooth/hci_request.c286
1 files changed, 233 insertions, 53 deletions
diff --git a/net/bluetooth/hci_request.c b/net/bluetooth/hci_request.c
index 1fc55685da62..e0269192f2e5 100644
--- a/net/bluetooth/hci_request.c
+++ b/net/bluetooth/hci_request.c
@@ -34,9 +34,6 @@
#define HCI_REQ_PEND 1
#define HCI_REQ_CANCELED 2
-#define LE_SUSPEND_SCAN_WINDOW 0x0012
-#define LE_SUSPEND_SCAN_INTERVAL 0x0400
-
void hci_req_init(struct hci_request *req, struct hci_dev *hdev)
{
skb_queue_head_init(&req->cmd_q);
@@ -366,13 +363,11 @@ void __hci_req_write_fast_connectable(struct hci_request *req, bool enable)
/* 160 msec page scan interval */
acp.interval = cpu_to_le16(0x0100);
} else {
- type = PAGE_SCAN_TYPE_STANDARD; /* default */
-
- /* default 1.28 sec page scan */
- acp.interval = cpu_to_le16(0x0800);
+ type = hdev->def_page_scan_type;
+ acp.interval = cpu_to_le16(hdev->def_page_scan_int);
}
- acp.window = cpu_to_le16(0x0012);
+ acp.window = cpu_to_le16(hdev->def_page_scan_window);
if (__cpu_to_le16(hdev->page_scan_interval) != acp.interval ||
__cpu_to_le16(hdev->page_scan_window) != acp.window)
@@ -418,18 +413,22 @@ static void __hci_update_background_scan(struct hci_request *req)
*/
hci_discovery_filter_clear(hdev);
+ BT_DBG("%s ADV monitoring is %s", hdev->name,
+ hci_is_adv_monitoring(hdev) ? "on" : "off");
+
if (list_empty(&hdev->pend_le_conns) &&
- list_empty(&hdev->pend_le_reports)) {
+ list_empty(&hdev->pend_le_reports) &&
+ !hci_is_adv_monitoring(hdev)) {
/* If there is no pending LE connections or devices
- * to be scanned for, we should stop the background
- * scanning.
+ * to be scanned for or no ADV monitors, we should stop the
+ * background scanning.
*/
/* If controller is not scanning we are done. */
if (!hci_dev_test_flag(hdev, HCI_LE_SCAN))
return;
- hci_req_add_le_scan_disable(req);
+ hci_req_add_le_scan_disable(req, false);
BT_DBG("%s stopping background scanning", hdev->name);
} else {
@@ -448,7 +447,7 @@ static void __hci_update_background_scan(struct hci_request *req)
* don't miss any advertising (due to duplicates filter).
*/
if (hci_dev_test_flag(hdev, HCI_LE_SCAN))
- hci_req_add_le_scan_disable(req);
+ hci_req_add_le_scan_disable(req, false);
hci_req_add_le_passive_scan(req);
@@ -653,7 +652,7 @@ void __hci_req_update_eir(struct hci_request *req)
hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
}
-void hci_req_add_le_scan_disable(struct hci_request *req)
+void hci_req_add_le_scan_disable(struct hci_request *req, bool rpa_le_conn)
{
struct hci_dev *hdev = req->hdev;
@@ -676,6 +675,15 @@ void hci_req_add_le_scan_disable(struct hci_request *req)
cp.enable = LE_SCAN_DISABLE;
hci_req_add(req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(cp), &cp);
}
+
+ /* Disable address resolution */
+ if (use_ll_privacy(hdev) &&
+ hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY) &&
+ hci_dev_test_flag(hdev, HCI_LL_RPA_RESOLUTION) && !rpa_le_conn) {
+ __u8 enable = 0x00;
+
+ hci_req_add(req, HCI_OP_LE_SET_ADDR_RESOLV_ENABLE, 1, &enable);
+ }
}
static void del_from_white_list(struct hci_request *req, bdaddr_t *bdaddr,
@@ -689,6 +697,21 @@ static void del_from_white_list(struct hci_request *req, bdaddr_t *bdaddr,
bt_dev_dbg(req->hdev, "Remove %pMR (0x%x) from whitelist", &cp.bdaddr,
cp.bdaddr_type);
hci_req_add(req, HCI_OP_LE_DEL_FROM_WHITE_LIST, sizeof(cp), &cp);
+
+ if (use_ll_privacy(req->hdev)) {
+ struct smp_irk *irk;
+
+ irk = hci_find_irk_by_addr(req->hdev, bdaddr, bdaddr_type);
+ if (irk) {
+ struct hci_cp_le_del_from_resolv_list cp;
+
+ cp.bdaddr_type = bdaddr_type;
+ bacpy(&cp.bdaddr, bdaddr);
+
+ hci_req_add(req, HCI_OP_LE_DEL_FROM_RESOLV_LIST,
+ sizeof(cp), &cp);
+ }
+ }
}
/* Adds connection to white list if needed. On error, returns -1. */
@@ -709,13 +732,14 @@ static int add_to_white_list(struct hci_request *req,
return -1;
/* White list can not be used with RPAs */
- if (!allow_rpa &&
+ if (!allow_rpa && !use_ll_privacy(hdev) &&
hci_find_irk_by_addr(hdev, &params->addr, params->addr_type)) {
return -1;
}
/* During suspend, only wakeable devices can be in whitelist */
- if (hdev->suspended && !params->wakeable)
+ if (hdev->suspended && !hci_conn_test_flag(HCI_CONN_FLAG_REMOTE_WAKEUP,
+ params->current_flags))
return 0;
*num_entries += 1;
@@ -726,6 +750,28 @@ static int add_to_white_list(struct hci_request *req,
cp.bdaddr_type);
hci_req_add(req, HCI_OP_LE_ADD_TO_WHITE_LIST, sizeof(cp), &cp);
+ if (use_ll_privacy(hdev)) {
+ struct smp_irk *irk;
+
+ irk = hci_find_irk_by_addr(hdev, &params->addr,
+ params->addr_type);
+ if (irk) {
+ struct hci_cp_le_add_to_resolv_list cp;
+
+ cp.bdaddr_type = params->addr_type;
+ bacpy(&cp.bdaddr, &params->addr);
+ memcpy(cp.peer_irk, irk->val, 16);
+
+ if (hci_dev_test_flag(hdev, HCI_PRIVACY))
+ memcpy(cp.local_irk, hdev->irk, 16);
+ else
+ memset(cp.local_irk, 0, 16);
+
+ hci_req_add(req, HCI_OP_LE_ADD_TO_RESOLV_LIST,
+ sizeof(cp), &cp);
+ }
+ }
+
return 0;
}
@@ -766,7 +812,7 @@ static u8 update_white_list(struct hci_request *req)
}
/* White list can not be used with RPAs */
- if (!allow_rpa &&
+ if (!allow_rpa && !use_ll_privacy(hdev) &&
hci_find_irk_by_addr(hdev, &b->bdaddr, b->bdaddr_type)) {
return 0x00;
}
@@ -798,6 +844,14 @@ static u8 update_white_list(struct hci_request *req)
return 0x00;
}
+ /* Once the controller offloading of advertisement monitor is in place,
+ * the if condition should include the support of MSFT extension
+ * support. If suspend is ongoing, whitelist should be the default to
+ * prevent waking by random advertisements.
+ */
+ if (!idr_is_empty(&hdev->adv_monitors_idr) && !hdev->suspended)
+ return 0x00;
+
/* Select filter policy to use white list */
return 0x01;
}
@@ -808,10 +862,24 @@ static bool scan_use_rpa(struct hci_dev *hdev)
}
static void hci_req_start_scan(struct hci_request *req, u8 type, u16 interval,
- u16 window, u8 own_addr_type, u8 filter_policy)
+ u16 window, u8 own_addr_type, u8 filter_policy,
+ bool addr_resolv)
{
struct hci_dev *hdev = req->hdev;
+ if (hdev->scanning_paused) {
+ bt_dev_dbg(hdev, "Scanning is paused for suspend");
+ return;
+ }
+
+ if (use_ll_privacy(hdev) &&
+ hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY) &&
+ addr_resolv) {
+ u8 enable = 0x01;
+
+ hci_req_add(req, HCI_OP_LE_SET_ADDR_RESOLV_ENABLE, 1, &enable);
+ }
+
/* Use ext scanning if set ext scan param and ext scan enable is
* supported
*/
@@ -885,12 +953,39 @@ static void hci_req_start_scan(struct hci_request *req, u8 type, u16 interval,
}
}
+/* Returns true if an le connection is in the scanning state */
+static inline bool hci_is_le_conn_scanning(struct hci_dev *hdev)
+{
+ struct hci_conn_hash *h = &hdev->conn_hash;
+ struct hci_conn *c;
+
+ rcu_read_lock();
+
+ list_for_each_entry_rcu(c, &h->list, list) {
+ if (c->type == LE_LINK && c->state == BT_CONNECT &&
+ test_bit(HCI_CONN_SCANNING, &c->flags)) {
+ rcu_read_unlock();
+ return true;
+ }
+ }
+
+ rcu_read_unlock();
+
+ return false;
+}
+
+/* Ensure to call hci_req_add_le_scan_disable() first to disable the
+ * controller based address resolution to be able to reconfigure
+ * resolving list.
+ */
void hci_req_add_le_passive_scan(struct hci_request *req)
{
struct hci_dev *hdev = req->hdev;
u8 own_addr_type;
u8 filter_policy;
u16 window, interval;
+ /* Background scanning should run with address resolution */
+ bool addr_resolv = true;
if (hdev->scanning_paused) {
bt_dev_dbg(hdev, "Scanning is paused for suspend");
@@ -927,8 +1022,11 @@ void hci_req_add_le_passive_scan(struct hci_request *req)
filter_policy |= 0x02;
if (hdev->suspended) {
- window = LE_SUSPEND_SCAN_WINDOW;
- interval = LE_SUSPEND_SCAN_INTERVAL;
+ window = hdev->le_scan_window_suspend;
+ interval = hdev->le_scan_int_suspend;
+ } else if (hci_is_le_conn_scanning(hdev)) {
+ window = hdev->le_scan_window_connect;
+ interval = hdev->le_scan_int_connect;
} else {
window = hdev->le_scan_window;
interval = hdev->le_scan_interval;
@@ -936,7 +1034,7 @@ void hci_req_add_le_passive_scan(struct hci_request *req)
bt_dev_dbg(hdev, "LE passive scan with whitelist = %d", filter_policy);
hci_req_start_scan(req, LE_SCAN_PASSIVE, interval, window,
- own_addr_type, filter_policy);
+ own_addr_type, filter_policy, addr_resolv);
}
static u8 get_adv_instance_scan_rsp_len(struct hci_dev *hdev, u8 instance)
@@ -973,15 +1071,19 @@ static void hci_req_clear_event_filter(struct hci_request *req)
static void hci_req_set_event_filter(struct hci_request *req)
{
- struct bdaddr_list *b;
+ struct bdaddr_list_with_flags *b;
struct hci_cp_set_event_filter f;
struct hci_dev *hdev = req->hdev;
- u8 scan;
+ u8 scan = SCAN_DISABLED;
/* Always clear event filter when starting */
hci_req_clear_event_filter(req);
- list_for_each_entry(b, &hdev->wakeable, list) {
+ list_for_each_entry(b, &hdev->whitelist, list) {
+ if (!hci_conn_test_flag(HCI_CONN_FLAG_REMOTE_WAKEUP,
+ b->current_flags))
+ continue;
+
memset(&f, 0, sizeof(f));
bacpy(&f.addr_conn_flt.bdaddr, &b->bdaddr);
f.flt_type = HCI_FLT_CONN_SETUP;
@@ -990,16 +1092,17 @@ static void hci_req_set_event_filter(struct hci_request *req)
bt_dev_dbg(hdev, "Adding event filters for %pMR", &b->bdaddr);
hci_req_add(req, HCI_OP_SET_EVENT_FLT, sizeof(f), &f);
+ scan = SCAN_PAGE;
}
- scan = !list_empty(&hdev->wakeable) ? SCAN_PAGE : SCAN_DISABLED;
hci_req_add(req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
}
static void hci_req_config_le_suspend_scan(struct hci_request *req)
{
- /* Can't change params without disabling first */
- hci_req_add_le_scan_disable(req);
+ /* Before changing params disable scan if enabled */
+ if (hci_dev_test_flag(req->hdev, HCI_LE_SCAN))
+ hci_req_add_le_scan_disable(req, false);
/* Configure params and enable scanning */
hci_req_add_le_passive_scan(req);
@@ -1065,8 +1168,9 @@ void hci_req_prepare_suspend(struct hci_dev *hdev, enum suspended_state next)
page_scan = SCAN_DISABLED;
hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &page_scan);
- /* Disable LE passive scan */
- hci_req_add_le_scan_disable(&req);
+ /* Disable LE passive scan if enabled */
+ if (hci_dev_test_flag(hdev, HCI_LE_SCAN))
+ hci_req_add_le_scan_disable(&req, false);
/* Mark task needing completion */
set_bit(SUSPEND_SCAN_DISABLE, hdev->suspend_tasks);
@@ -1160,13 +1264,8 @@ static u8 get_cur_adv_instance_scan_rsp_len(struct hci_dev *hdev)
void __hci_req_disable_advertising(struct hci_request *req)
{
if (ext_adv_capable(req->hdev)) {
- struct hci_cp_le_set_ext_adv_enable cp;
-
- cp.enable = 0x00;
- /* Disable all sets since we only support one set at the moment */
- cp.num_of_sets = 0x00;
+ __hci_req_disable_ext_adv_instance(req, 0x00);
- hci_req_add(req, HCI_OP_LE_SET_EXT_ADV_ENABLE, sizeof(cp), &cp);
} else {
u8 enable = 0x00;
@@ -1627,6 +1726,28 @@ int hci_req_update_adv_data(struct hci_dev *hdev, u8 instance)
return hci_req_run(&req, NULL);
}
+static void enable_addr_resolution_complete(struct hci_dev *hdev, u8 status,
+ u16 opcode)
+{
+ BT_DBG("%s status %u", hdev->name, status);
+}
+
+void hci_req_disable_address_resolution(struct hci_dev *hdev)
+{
+ struct hci_request req;
+ __u8 enable = 0x00;
+
+ if (!use_ll_privacy(hdev) &&
+ !hci_dev_test_flag(hdev, HCI_LL_RPA_RESOLUTION))
+ return;
+
+ hci_req_init(&req, hdev);
+
+ hci_req_add(&req, HCI_OP_LE_SET_ADDR_RESOLV_ENABLE, 1, &enable);
+
+ hci_req_run(&req, enable_addr_resolution_complete);
+}
+
static void adv_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
{
BT_DBG("%s status %u", hdev->name, status);
@@ -1786,8 +1907,6 @@ int __hci_req_setup_ext_adv_instance(struct hci_request *req, u8 instance)
int err;
struct adv_info *adv_instance;
bool secondary_adv;
- /* In ext adv set param interval is 3 octets */
- const u8 adv_interval[3] = { 0x00, 0x08, 0x00 };
if (instance > 0) {
adv_instance = hci_find_adv_instance(hdev, instance);
@@ -1820,8 +1939,9 @@ int __hci_req_setup_ext_adv_instance(struct hci_request *req, u8 instance)
memset(&cp, 0, sizeof(cp));
- memcpy(cp.min_interval, adv_interval, sizeof(cp.min_interval));
- memcpy(cp.max_interval, adv_interval, sizeof(cp.max_interval));
+ /* In ext adv set param interval is 3 octets */
+ hci_cpu_to_le24(hdev->le_adv_min_interval, cp.min_interval);
+ hci_cpu_to_le24(hdev->le_adv_max_interval, cp.max_interval);
secondary_adv = (flags & MGMT_ADV_FLAG_SEC_MASK);
@@ -1932,13 +2052,59 @@ int __hci_req_enable_ext_advertising(struct hci_request *req, u8 instance)
return 0;
}
+int __hci_req_disable_ext_adv_instance(struct hci_request *req, u8 instance)
+{
+ struct hci_dev *hdev = req->hdev;
+ struct hci_cp_le_set_ext_adv_enable *cp;
+ struct hci_cp_ext_adv_set *adv_set;
+ u8 data[sizeof(*cp) + sizeof(*adv_set) * 1];
+ u8 req_size;
+
+ /* If request specifies an instance that doesn't exist, fail */
+ if (instance > 0 && !hci_find_adv_instance(hdev, instance))
+ return -EINVAL;
+
+ memset(data, 0, sizeof(data));
+
+ cp = (void *)data;
+ adv_set = (void *)cp->data;
+
+ /* Instance 0x00 indicates all advertising instances will be disabled */
+ cp->num_of_sets = !!instance;
+ cp->enable = 0x00;
+
+ adv_set->handle = instance;
+
+ req_size = sizeof(*cp) + sizeof(*adv_set) * cp->num_of_sets;
+ hci_req_add(req, HCI_OP_LE_SET_EXT_ADV_ENABLE, req_size, data);
+
+ return 0;
+}
+
+int __hci_req_remove_ext_adv_instance(struct hci_request *req, u8 instance)
+{
+ struct hci_dev *hdev = req->hdev;
+
+ /* If request specifies an instance that doesn't exist, fail */
+ if (instance > 0 && !hci_find_adv_instance(hdev, instance))
+ return -EINVAL;
+
+ hci_req_add(req, HCI_OP_LE_REMOVE_ADV_SET, sizeof(instance), &instance);
+
+ return 0;
+}
+
int __hci_req_start_ext_adv(struct hci_request *req, u8 instance)
{
struct hci_dev *hdev = req->hdev;
+ struct adv_info *adv_instance = hci_find_adv_instance(hdev, instance);
int err;
- if (hci_dev_test_flag(hdev, HCI_LE_ADV))
- __hci_req_disable_advertising(req);
+ /* If instance isn't pending, the chip knows about it, and it's safe to
+ * disable
+ */
+ if (adv_instance && !adv_instance->pending)
+ __hci_req_disable_ext_adv_instance(req, instance);
err = __hci_req_setup_ext_adv_instance(req, instance);
if (err < 0)
@@ -2086,7 +2252,7 @@ void hci_req_clear_adv_instance(struct hci_dev *hdev, struct sock *sk,
hci_dev_test_flag(hdev, HCI_ADVERTISING))
return;
- if (next_instance)
+ if (next_instance && !ext_adv_capable(hdev))
__hci_req_schedule_adv_instance(req, next_instance->instance,
false);
}
@@ -2128,7 +2294,13 @@ int hci_update_random_address(struct hci_request *req, bool require_privacy,
if (use_rpa) {
int to;
- *own_addr_type = ADDR_LE_DEV_RANDOM;
+ /* If Controller supports LL Privacy use own address type is
+ * 0x03
+ */
+ if (use_ll_privacy(hdev))
+ *own_addr_type = ADDR_LE_DEV_RANDOM_RESOLVED;
+ else
+ *own_addr_type = ADDR_LE_DEV_RANDOM;
if (!hci_dev_test_and_clear_flag(hdev, HCI_RPA_EXPIRED) &&
!bacmp(&hdev->random_addr, &hdev->rpa))
@@ -2547,7 +2719,7 @@ static void bg_scan_update(struct work_struct *work)
static int le_scan_disable(struct hci_request *req, unsigned long opt)
{
- hci_req_add_le_scan_disable(req);
+ hci_req_add_le_scan_disable(req, false);
return 0;
}
@@ -2645,7 +2817,12 @@ static int le_scan_restart(struct hci_request *req, unsigned long opt)
if (!hci_dev_test_flag(hdev, HCI_LE_SCAN))
return 0;
- hci_req_add_le_scan_disable(req);
+ if (hdev->scanning_paused) {
+ bt_dev_dbg(hdev, "Scanning is paused for suspend");
+ return 0;
+ }
+
+ hci_req_add_le_scan_disable(req, false);
if (use_ext_scan(hdev)) {
struct hci_cp_le_set_ext_scan_enable ext_enable_cp;
@@ -2725,6 +2902,8 @@ static int active_scan(struct hci_request *req, unsigned long opt)
u8 own_addr_type;
/* White list is not used for discovery */
u8 filter_policy = 0x00;
+ /* Discovery doesn't require controller address resolution */
+ bool addr_resolv = false;
int err;
BT_DBG("%s", hdev->name);
@@ -2734,7 +2913,7 @@ static int active_scan(struct hci_request *req, unsigned long opt)
* discovery scanning parameters.
*/
if (hci_dev_test_flag(hdev, HCI_LE_SCAN))
- hci_req_add_le_scan_disable(req);
+ hci_req_add_le_scan_disable(req, false);
/* All active scans will be done with either a resolvable private
* address (when privacy feature has been enabled) or non-resolvable
@@ -2745,8 +2924,9 @@ static int active_scan(struct hci_request *req, unsigned long opt)
if (err < 0)
own_addr_type = ADDR_LE_DEV_PUBLIC;
- hci_req_start_scan(req, LE_SCAN_ACTIVE, interval, DISCOV_LE_SCAN_WIN,
- own_addr_type, filter_policy);
+ hci_req_start_scan(req, LE_SCAN_ACTIVE, interval,
+ hdev->le_scan_window_discovery, own_addr_type,
+ filter_policy, addr_resolv);
return 0;
}
@@ -2793,18 +2973,18 @@ static void start_discovery(struct hci_dev *hdev, u8 *status)
* to do BR/EDR inquiry.
*/
hci_req_sync(hdev, interleaved_discov,
- DISCOV_LE_SCAN_INT * 2, HCI_CMD_TIMEOUT,
+ hdev->le_scan_int_discovery * 2, HCI_CMD_TIMEOUT,
status);
break;
}
timeout = msecs_to_jiffies(hdev->discov_interleaved_timeout);
- hci_req_sync(hdev, active_scan, DISCOV_LE_SCAN_INT,
+ hci_req_sync(hdev, active_scan, hdev->le_scan_int_discovery,
HCI_CMD_TIMEOUT, status);
break;
case DISCOV_TYPE_LE:
timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
- hci_req_sync(hdev, active_scan, DISCOV_LE_SCAN_INT,
+ hci_req_sync(hdev, active_scan, hdev->le_scan_int_discovery,
HCI_CMD_TIMEOUT, status);
break;
default:
@@ -2848,14 +3028,14 @@ bool hci_req_stop_discovery(struct hci_request *req)
if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) {
cancel_delayed_work(&hdev->le_scan_disable);
- hci_req_add_le_scan_disable(req);
+ hci_req_add_le_scan_disable(req, false);
}
ret = true;
} else {
/* Passive scanning */
if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) {
- hci_req_add_le_scan_disable(req);
+ hci_req_add_le_scan_disable(req, false);
ret = true;
}
}