RE: Bluetooth: ISO: Support multiple BIGs

RE: Bluetooth: ISO: Support multiple BIGs

[bluez.test.bot]

[-- Attachment #1: Type: text/plain, Size: 2400 bytes --]

This is automated email and please do not reply to this email!

Dear submitter,

Thank you for submitting the patches to the linux bluetooth mailing list.
This is a CI test results with your patch series:
PW Link:https://patchwork.kernel.org/project/bluetooth/list/?series=756772

---Test result---

Test Summary:
CheckPatch                    PASS      1.21 seconds
GitLint                       FAIL      0.67 seconds
SubjectPrefix                 PASS      0.11 seconds
BuildKernel                   PASS      32.60 seconds
CheckAllWarning               PASS      35.16 seconds
CheckSparse                   WARNING   39.83 seconds
CheckSmatch                   WARNING   111.79 seconds
BuildKernel32                 PASS      30.98 seconds
TestRunnerSetup               PASS      449.75 seconds
TestRunner_l2cap-tester       PASS      16.94 seconds
TestRunner_iso-tester         PASS      22.54 seconds
TestRunner_bnep-tester        PASS      5.56 seconds
TestRunner_mgmt-tester        PASS      112.35 seconds
TestRunner_rfcomm-tester      PASS      8.91 seconds
TestRunner_sco-tester         PASS      8.08 seconds
TestRunner_ioctl-tester       PASS      9.54 seconds
TestRunner_mesh-tester        PASS      6.99 seconds
TestRunner_smp-tester         PASS      7.98 seconds
TestRunner_userchan-tester    PASS      5.79 seconds
IncrementalBuild              PASS      29.66 seconds

Details
##############################
Test: GitLint - FAIL
Desc: Run gitlint
Output:
[1/1] Bluetooth: ISO: Support multiple BIGs

WARNING: I3 - ignore-body-lines: gitlint will be switching from using Python regex 'match' (match beginning) to 'search' (match anywhere) semantics. Please review your ignore-body-lines.regex option accordingly. To remove this warning, set general.regex-style-search=True. More details: https://jorisroovers.github.io/gitlint/configuration/#regex-style-search
14: B3 Line contains hard tab characters (\t): "	tools/isotest -i hci0 -s 00:00:00:00:00:00"
##############################
Test: CheckSparse - WARNING
Desc: Run sparse tool with linux kernel
Output:
net/bluetooth/hci_event.c: note: in included file (through include/net/bluetooth/hci_core.h):
##############################
Test: CheckSmatch - WARNING
Desc: Run smatch tool with source
Output:
net/bluetooth/hci_event.c: note: in included file (through include/net/bluetooth/hci_core.h):


---
Regards,
Linux Bluetooth

[PATCH v2 0/1] Bluetooth: ISO: Support multiple BIGs

[Iulia Tanasescu]

This patch adds support for creating multiple BIGs. According to
spec, each BIG shall have an unique handle, and each BIG should
be associated with a different advertising handle. Otherwise,
the LE Create BIG command will fail, with error code
Command Disallowed (for reusing a BIG handle), or
Unknown Advertising Identifier (for reusing an advertising
handle).

Currently, if the user tries to connect 2 sockets with the
BIG/BIS QoS fields unset, the kernel will assign the same
BIG handle for every BIG, as seen in the btmon log below:

< HCI Command: LE Create Broadcast Isochronous Group (0x08|0x0068) plen 31
        Handle: 0x00
        Advertising Handle: 0x01
        Number of BIS: 1
        SDU Interval: 10000 us (0x002710)
        Maximum SDU size: 40
        Maximum Latency: 10 ms (0x000a)
        RTN: 0x02
        PHY: LE 2M (0x02)
        Packing: Sequential (0x00)
        Framing: Unframed (0x00)
        Encryption: 0x00
        Broadcast Code: 00000000000000000000000000000000

> HCI Event: Command Status (0x0f) plen 4
      LE Create Broadcast Isochronous Group (0x08|0x0068) ncmd 1
        Status: Success (0x00)

> HCI Event: LE Meta Event (0x3e) plen 21
      LE Broadcast Isochronous Group Complete (0x1b)
        Status: Success (0x00)
        Handle: 0x00
        BIG Synchronization Delay: 912 us (0x000390)
        Transport Latency: 912 us (0x000390)
        PHY: LE 2M (0x02)
        NSE: 3
        BN: 1
        PTO: 1
        IRC: 3
        Maximum PDU: 40
        ISO Interval: 10.00 msec (0x0008)
        Connection Handle #0: 10

< HCI Command: LE Create Broadcast Isochronous Group (0x08|0x0068)
        Handle: 0x00
        Advertising Handle: 0x01
        Number of BIS: 1
        SDU Interval: 10000 us (0x002710)
        Maximum SDU size: 40
        Maximum Latency: 10 ms (0x000a)
        RTN: 0x02
        PHY: LE 2M (0x02)
        Packing: Sequential (0x00)
        Framing: Unframed (0x00)
        Encryption: 0x00
        Broadcast Code: 00000000000000000000000000000000

> HCI Event: Command Status (0x0f) plen 4
      LE Create Broadcast Isochronous Group (0x08|0x0068) ncmd 1
        Status: Command Disallowed (0x0c)
        
Since different BIGs need to be associated with different advertising
handles, this patch also adds support for starting multiple periodic
advertising instances. If an avertising instance has the periodic
flag set, the enabled flag will be used to indicate whether both
extended and periodic advertising are enabled for that handle.

Iulia Tanasescu (1):
  Bluetooth: ISO: Support multiple BIGs

 include/net/bluetooth/hci_core.h |  5 ++--
 net/bluetooth/hci_conn.c         | 40 ++++++++++++++------------------
 net/bluetooth/hci_event.c        | 35 +++++++++++++++++++++++-----
 net/bluetooth/hci_sync.c         | 28 +++++++++++-----------
 4 files changed, 63 insertions(+), 45 deletions(-)


base-commit: 817efd3cad7481ce2ee25fac5108afecbad56228
-- 
2.34.1

[PATCH v2 1/1] Bluetooth: ISO: Support multiple BIGs

[Iulia Tanasescu]

This adds support for creating multiple BIGs. According to
spec, each BIG shall have an unique handle, and each BIG should
be associated with a different advertising handle. Otherwise,
the LE Create BIG command will fail, with error code
Command Disallowed (for reusing a BIG handle), or
Unknown Advertising Identifier (for reusing an advertising
handle).

The btmon snippet below shows an exercise for creating two BIGs
for the same controller, by opening two isotest instances with
the following command:
    tools/isotest -i hci0 -s 00:00:00:00:00:00

< HCI Command: LE Create Broadcast Isochronous Group (0x08|0x0068) plen 31
        Handle: 0x00
        Advertising Handle: 0x01
        Number of BIS: 1
        SDU Interval: 10000 us (0x002710)
        Maximum SDU size: 40
        Maximum Latency: 10 ms (0x000a)
        RTN: 0x02
        PHY: LE 2M (0x02)
        Packing: Sequential (0x00)
        Framing: Unframed (0x00)
        Encryption: 0x00
        Broadcast Code: 00000000000000000000000000000000

> HCI Event: Command Status (0x0f) plen 4
      LE Create Broadcast Isochronous Group (0x08|0x0068) ncmd 1
        Status: Success (0x00)

> HCI Event: LE Meta Event (0x3e) plen 21
      LE Broadcast Isochronous Group Complete (0x1b)
        Status: Success (0x00)
        Handle: 0x00
        BIG Synchronization Delay: 912 us (0x000390)
        Transport Latency: 912 us (0x000390)
        PHY: LE 2M (0x02)
        NSE: 3
        BN: 1
        PTO: 1
        IRC: 3
        Maximum PDU: 40
        ISO Interval: 10.00 msec (0x0008)
        Connection Handle #0: 10

< HCI Command: LE Create Broadcast Isochronous Group (0x08|0x0068)
        Handle: 0x01
        Advertising Handle: 0x02
        Number of BIS: 1
        SDU Interval: 10000 us (0x002710)
        Maximum SDU size: 40
        Maximum Latency: 10 ms (0x000a)
        RTN: 0x02
        PHY: LE 2M (0x02)
        Packing: Sequential (0x00)
        Framing: Unframed (0x00)
        Encryption: 0x00
        Broadcast Code: 00000000000000000000000000000000

> HCI Event: Command Status (0x0f) plen 4
      LE Create Broadcast Isochronous Group (0x08|0x0068) ncmd 1
        Status: Success (0x00)

Signed-off-by: Iulia Tanasescu <iulia.tanasescu@nxp.com>
---
 include/net/bluetooth/hci_core.h |  5 ++--
 net/bluetooth/hci_conn.c         | 40 ++++++++++++++------------------
 net/bluetooth/hci_event.c        | 35 +++++++++++++++++++++++-----
 net/bluetooth/hci_sync.c         | 28 +++++++++++-----------
 4 files changed, 63 insertions(+), 45 deletions(-)

diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 683666ea210c..f2030670ea72 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -1096,8 +1096,7 @@ static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle)
 }
 
 static inline struct hci_conn *hci_conn_hash_lookup_bis(struct hci_dev *hdev,
-							bdaddr_t *ba,
-							__u8 big, __u8 bis)
+							bdaddr_t *ba, __u8 bis)
 {
 	struct hci_conn_hash *h = &hdev->conn_hash;
 	struct hci_conn  *c;
@@ -1108,7 +1107,7 @@ static inline struct hci_conn *hci_conn_hash_lookup_bis(struct hci_dev *hdev,
 		if (bacmp(&c->dst, ba) || c->type != ISO_LINK)
 			continue;
 
-		if (c->iso_qos.bcast.big == big && c->iso_qos.bcast.bis == bis) {
+		if (c->iso_qos.bcast.bis == bis) {
 			rcu_read_unlock();
 			return c;
 		}
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 7d4941e6dbdf..8cd2ef0ab1d0 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -927,9 +927,7 @@ static void bis_cleanup(struct hci_conn *conn)
 		/* Check if ISO connection is a BIS and terminate advertising
 		 * set and BIG if there are no other connections using it.
 		 */
-		bis = hci_conn_hash_lookup_bis(hdev, BDADDR_ANY,
-					       conn->iso_qos.bcast.big,
-					       conn->iso_qos.bcast.bis);
+		bis = hci_conn_hash_lookup_big(hdev, conn->iso_qos.bcast.big);
 		if (bis)
 			return;
 
@@ -1449,25 +1447,23 @@ static int hci_explicit_conn_params_set(struct hci_dev *hdev,
 
 static int qos_set_big(struct hci_dev *hdev, struct bt_iso_qos *qos)
 {
-	struct iso_list_data data;
+	struct hci_conn *conn;
+	u8  big;
 
 	/* Allocate a BIG if not set */
 	if (qos->bcast.big == BT_ISO_QOS_BIG_UNSET) {
-		for (data.big = 0x00; data.big < 0xef; data.big++) {
-			data.count = 0;
-			data.bis = 0xff;
+		for (big = 0x00; big < 0xef; big++) {
 
-			hci_conn_hash_list_state(hdev, bis_list, ISO_LINK,
-						 BT_BOUND, &data);
-			if (!data.count)
+			conn = hci_conn_hash_lookup_big(hdev, big);
+			if (!conn)
 				break;
 		}
 
-		if (data.big == 0xef)
+		if (big == 0xef)
 			return -EADDRNOTAVAIL;
 
 		/* Update BIG */
-		qos->bcast.big = data.big;
+		qos->bcast.big = big;
 	}
 
 	return 0;
@@ -1475,28 +1471,27 @@ static int qos_set_big(struct hci_dev *hdev, struct bt_iso_qos *qos)
 
 static int qos_set_bis(struct hci_dev *hdev, struct bt_iso_qos *qos)
 {
-	struct iso_list_data data;
+	struct hci_conn *conn;
+	u8  bis;
 
 	/* Allocate BIS if not set */
 	if (qos->bcast.bis == BT_ISO_QOS_BIS_UNSET) {
 		/* Find an unused adv set to advertise BIS, skip instance 0x00
 		 * since it is reserved as general purpose set.
 		 */
-		for (data.bis = 0x01; data.bis < hdev->le_num_of_adv_sets;
-		     data.bis++) {
-			data.count = 0;
+		for (bis = 0x01; bis < hdev->le_num_of_adv_sets;
+		     bis++) {
 
-			hci_conn_hash_list_state(hdev, bis_list, ISO_LINK,
-						 BT_BOUND, &data);
-			if (!data.count)
+			conn = hci_conn_hash_lookup_bis(hdev, BDADDR_ANY, bis);
+			if (!conn)
 				break;
 		}
 
-		if (data.bis == hdev->le_num_of_adv_sets)
+		if (bis == hdev->le_num_of_adv_sets)
 			return -EADDRNOTAVAIL;
 
 		/* Update BIS */
-		qos->bcast.bis = data.bis;
+		qos->bcast.bis = bis;
 	}
 
 	return 0;
@@ -1534,8 +1529,7 @@ static struct hci_conn *hci_add_bis(struct hci_dev *hdev, bdaddr_t *dst,
 	/* Check BIS settings against other bound BISes, since all
 	 * BISes in a BIG must have the same value for all parameters
 	 */
-	conn = hci_conn_hash_lookup_bis(hdev, dst, qos->bcast.big,
-					qos->bcast.bis);
+	conn = hci_conn_hash_lookup_big(hdev, qos->bcast.big);
 
 	if (conn && (memcmp(qos, &conn->iso_qos, sizeof(*qos)) ||
 		     base_len != conn->le_per_adv_data_len ||
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 7c199f7361f7..d6ec00b12030 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -1639,7 +1639,7 @@ static u8 hci_cc_le_set_ext_adv_enable(struct hci_dev *hdev, void *data,
 
 		hci_dev_set_flag(hdev, HCI_LE_ADV);
 
-		if (adv)
+		if (adv && !adv->periodic)
 			adv->enabled = true;
 
 		conn = hci_lookup_le_connect(hdev);
@@ -3938,24 +3938,47 @@ static u8 hci_cc_le_set_per_adv_enable(struct hci_dev *hdev, void *data,
 				       struct sk_buff *skb)
 {
 	struct hci_ev_status *rp = data;
-	__u8 *sent;
+	struct hci_cp_le_set_per_adv_enable *cp;
+	struct adv_info *adv = NULL, *n;
+	u8 per_adv_cnt = 0;
 
 	bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
 
 	if (rp->status)
 		return rp->status;
 
-	sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_PER_ADV_ENABLE);
-	if (!sent)
+	cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_PER_ADV_ENABLE);
+	if (!cp)
 		return rp->status;
 
 	hci_dev_lock(hdev);
 
-	if (*sent)
+	adv = hci_find_adv_instance(hdev, cp->handle);
+
+	if (cp->enable) {
 		hci_dev_set_flag(hdev, HCI_LE_PER_ADV);
-	else
+
+		if (adv)
+			adv->enabled = true;
+	} else {
+		/* If just one instance was disabled check if there are
+		 * any other instance enabled before clearing HCI_LE_PER_ADV.
+		 * The current periodic adv instance will be marked as
+		 * disabled once extended advertising is also disabled.
+		 */
+		list_for_each_entry_safe(adv, n, &hdev->adv_instances,
+					 list) {
+			if (adv->periodic && adv->enabled)
+				per_adv_cnt++;
+		}
+
+		if (per_adv_cnt > 1)
+			goto unlock;
+
 		hci_dev_clear_flag(hdev, HCI_LE_PER_ADV);
+	}
 
+unlock:
 	hci_dev_unlock(hdev);
 
 	return rp->status;
diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c
index 97da5bcaa904..affc661eb7d0 100644
--- a/net/bluetooth/hci_sync.c
+++ b/net/bluetooth/hci_sync.c
@@ -3,6 +3,7 @@
  * BlueZ - Bluetooth protocol stack for Linux
  *
  * Copyright (C) 2021 Intel Corporation
+ * Copyright 2023 NXP
  */
 
 #include <linux/property.h>
@@ -1319,9 +1320,11 @@ int hci_start_ext_adv_sync(struct hci_dev *hdev, u8 instance)
 static int hci_disable_per_advertising_sync(struct hci_dev *hdev, u8 instance)
 {
 	struct hci_cp_le_set_per_adv_enable cp;
+	struct adv_info *adv = NULL;
 
 	/* If periodic advertising already disabled there is nothing to do. */
-	if (!hci_dev_test_flag(hdev, HCI_LE_PER_ADV))
+	adv = hci_find_adv_instance(hdev, instance);
+	if (!adv || !adv->periodic || !adv->enabled)
 		return 0;
 
 	memset(&cp, 0, sizeof(cp));
@@ -1386,9 +1389,11 @@ static int hci_set_per_adv_data_sync(struct hci_dev *hdev, u8 instance)
 static int hci_enable_per_advertising_sync(struct hci_dev *hdev, u8 instance)
 {
 	struct hci_cp_le_set_per_adv_enable cp;
+	struct adv_info *adv = NULL;
 
 	/* If periodic advertising already enabled there is nothing to do. */
-	if (hci_dev_test_flag(hdev, HCI_LE_PER_ADV))
+	adv = hci_find_adv_instance(hdev, instance);
+	if (adv && adv->periodic && adv->enabled)
 		return 0;
 
 	memset(&cp, 0, sizeof(cp));
@@ -1458,22 +1463,19 @@ int hci_start_per_adv_sync(struct hci_dev *hdev, u8 instance, u8 data_len,
 						   sync_interval);
 			if (IS_ERR(adv))
 				return PTR_ERR(adv);
+			adv->pending = false;
 			added = true;
 		}
 	}
 
-	/* Only start advertising if instance 0 or if a dedicated instance has
-	 * been added.
-	 */
-	if (!adv || added) {
-		err = hci_start_ext_adv_sync(hdev, instance);
-		if (err < 0)
-			goto fail;
+	/* Start advertising */
+	err = hci_start_ext_adv_sync(hdev, instance);
+	if (err < 0)
+		goto fail;
 
-		err = hci_adv_bcast_annoucement(hdev, adv);
-		if (err < 0)
-			goto fail;
-	}
+	err = hci_adv_bcast_annoucement(hdev, adv);
+	if (err < 0)
+		goto fail;
 
 	err = hci_set_per_adv_params_sync(hdev, instance, min_interval,
 					  max_interval);
-- 
2.34.1

RE: Bluetooth: ISO: Support multiple BIGs

[bluez.test.bot]

[-- Attachment #1: Type: text/plain, Size: 1826 bytes --]

This is automated email and please do not reply to this email!

Dear submitter,

Thank you for submitting the patches to the linux bluetooth mailing list.
This is a CI test results with your patch series:
PW Link:https://patchwork.kernel.org/project/bluetooth/list/?series=758407

---Test result---

Test Summary:
CheckPatch                    PASS      1.38 seconds
GitLint                       PASS      0.31 seconds
SubjectPrefix                 PASS      0.10 seconds
BuildKernel                   PASS      38.08 seconds
CheckAllWarning               PASS      41.61 seconds
CheckSparse                   WARNING   47.49 seconds
CheckSmatch                   WARNING   128.83 seconds
BuildKernel32                 PASS      36.09 seconds
TestRunnerSetup               PASS      526.77 seconds
TestRunner_l2cap-tester       PASS      18.75 seconds
TestRunner_iso-tester         PASS      27.75 seconds
TestRunner_bnep-tester        PASS      6.92 seconds
TestRunner_mgmt-tester        PASS      127.10 seconds
TestRunner_rfcomm-tester      PASS      10.27 seconds
TestRunner_sco-tester         PASS      9.31 seconds
TestRunner_ioctl-tester       PASS      10.88 seconds
TestRunner_mesh-tester        PASS      8.25 seconds
TestRunner_smp-tester         PASS      9.50 seconds
TestRunner_userchan-tester    PASS      7.09 seconds
IncrementalBuild              PASS      33.93 seconds

Details
##############################
Test: CheckSparse - WARNING
Desc: Run sparse tool with linux kernel
Output:
net/bluetooth/hci_event.c: note: in included file (through include/net/bluetooth/hci_core.h):
##############################
Test: CheckSmatch - WARNING
Desc: Run smatch tool with source
Output:
net/bluetooth/hci_event.c: note: in included file (through include/net/bluetooth/hci_core.h):


---
Regards,
Linux Bluetooth

Re: [PATCH v2 0/1] Bluetooth: ISO: Support multiple BIGs

[patchwork-bot+bluetooth]

Hello:

This patch was applied to bluetooth/bluetooth-next.git (master)
by Luiz Augusto von Dentz <luiz.von.dentz@intel.com>:

On Mon, 19 Jun 2023 17:53:15 +0300 you wrote:
> This patch adds support for creating multiple BIGs. According to
> spec, each BIG shall have an unique handle, and each BIG should
> be associated with a different advertising handle. Otherwise,
> the LE Create BIG command will fail, with error code
> Command Disallowed (for reusing a BIG handle), or
> Unknown Advertising Identifier (for reusing an advertising
> handle).
> 
> [...]

Here is the summary with links:
  - [v2,1/1] Bluetooth: ISO: Support multiple BIGs
    https://git.kernel.org/bluetooth/bluetooth-next/c/cd3e1f298102

You are awesome, thank you!
-- 
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