1 files changed, 71 insertions, 79 deletions

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index ad92a4be5851..d00ef6e3fc45 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -1,6 +1,7 @@
 /*
    BlueZ - Bluetooth protocol stack for Linux
    Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
+   Copyright 2023 NXP
 
    Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
 
@@ -886,8 +887,13 @@ static u8 hci_cc_read_local_ext_features(struct hci_dev *hdev, void *data,
 	if (rp->status)
 		return rp->status;
 
-	if (hdev->max_page < rp->max_page)
-		hdev->max_page = rp->max_page;
+	if (hdev->max_page < rp->max_page) {
+		if (test_bit(HCI_QUIRK_BROKEN_LOCAL_EXT_FEATURES_PAGE_2,
+			     &hdev->quirks))
+			bt_dev_warn(hdev, "broken local ext features page 2");
+		else
+			hdev->max_page = rp->max_page;
+	}
 
 	if (rp->page < HCI_MAX_PAGES)
 		memcpy(hdev->features[rp->page], rp->features, 8);
@@ -2339,7 +2345,8 @@ static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
 static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
 {
 	struct hci_cp_add_sco *cp;
-	struct hci_conn *acl, *sco;
+	struct hci_conn *acl;
+	struct hci_link *link;
 	__u16 handle;
 
 	bt_dev_dbg(hdev, "status 0x%2.2x", status);
@@ -2359,12 +2366,13 @@ static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
 
 	acl = hci_conn_hash_lookup_handle(hdev, handle);
 	if (acl) {
-		sco = acl->link;
-		if (sco) {
-			sco->state = BT_CLOSED;
+		link = list_first_entry_or_null(&acl->link_list,
+						struct hci_link, list);
+		if (link && link->conn) {
+			link->conn->state = BT_CLOSED;
 
-			hci_connect_cfm(sco, status);
-			hci_conn_del(sco);
+			hci_connect_cfm(link->conn, status);
+			hci_conn_del(link->conn);
 		}
 	}
 
@@ -2631,74 +2639,61 @@ static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
 	hci_dev_unlock(hdev);
 }
 
-static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
+static void hci_setup_sync_conn_status(struct hci_dev *hdev, __u16 handle,
+				       __u8 status)
 {
-	struct hci_cp_setup_sync_conn *cp;
-	struct hci_conn *acl, *sco;
-	__u16 handle;
-
-	bt_dev_dbg(hdev, "status 0x%2.2x", status);
-
-	if (!status)
-		return;
-
-	cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
-	if (!cp)
-		return;
-
-	handle = __le16_to_cpu(cp->handle);
+	struct hci_conn *acl;
+	struct hci_link *link;
 
-	bt_dev_dbg(hdev, "handle 0x%4.4x", handle);
+	bt_dev_dbg(hdev, "handle 0x%4.4x status 0x%2.2x", handle, status);
 
 	hci_dev_lock(hdev);
 
 	acl = hci_conn_hash_lookup_handle(hdev, handle);
 	if (acl) {
-		sco = acl->link;
-		if (sco) {
-			sco->state = BT_CLOSED;
+		link = list_first_entry_or_null(&acl->link_list,
+						struct hci_link, list);
+		if (link && link->conn) {
+			link->conn->state = BT_CLOSED;
 
-			hci_connect_cfm(sco, status);
-			hci_conn_del(sco);
+			hci_connect_cfm(link->conn, status);
+			hci_conn_del(link->conn);
 		}
 	}
 
 	hci_dev_unlock(hdev);
 }
 
-static void hci_cs_enhanced_setup_sync_conn(struct hci_dev *hdev, __u8 status)
+static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
 {
-	struct hci_cp_enhanced_setup_sync_conn *cp;
-	struct hci_conn *acl, *sco;
-	__u16 handle;
+	struct hci_cp_setup_sync_conn *cp;
 
 	bt_dev_dbg(hdev, "status 0x%2.2x", status);
 
 	if (!status)
 		return;
 
-	cp = hci_sent_cmd_data(hdev, HCI_OP_ENHANCED_SETUP_SYNC_CONN);
+	cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
 	if (!cp)
 		return;
 
-	handle = __le16_to_cpu(cp->handle);
+	hci_setup_sync_conn_status(hdev, __le16_to_cpu(cp->handle), status);
+}
 
-	bt_dev_dbg(hdev, "handle 0x%4.4x", handle);
+static void hci_cs_enhanced_setup_sync_conn(struct hci_dev *hdev, __u8 status)
+{
+	struct hci_cp_enhanced_setup_sync_conn *cp;
 
-	hci_dev_lock(hdev);
+	bt_dev_dbg(hdev, "status 0x%2.2x", status);
 
-	acl = hci_conn_hash_lookup_handle(hdev, handle);
-	if (acl) {
-		sco = acl->link;
-		if (sco) {
-			sco->state = BT_CLOSED;
+	if (!status)
+		return;
 
-			hci_connect_cfm(sco, status);
-			hci_conn_del(sco);
-		}
-	}
+	cp = hci_sent_cmd_data(hdev, HCI_OP_ENHANCED_SETUP_SYNC_CONN);
+	if (!cp)
+		return;
 
-	hci_dev_unlock(hdev);
+	hci_setup_sync_conn_status(hdev, __le16_to_cpu(cp->handle), status);
 }
 
 static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
@@ -2881,16 +2876,6 @@ static void cs_le_create_conn(struct hci_dev *hdev, bdaddr_t *peer_addr,
 
 	conn->resp_addr_type = peer_addr_type;
 	bacpy(&conn->resp_addr, peer_addr);
-
-	/* We don't want the connection attempt to stick around
-	 * indefinitely since LE doesn't have a page timeout concept
-	 * like BR/EDR. Set a timer for any connection that doesn't use
-	 * the accept list for connecting.
-	 */
-	if (filter_policy == HCI_LE_USE_PEER_ADDR)
-		queue_delayed_work(conn->hdev->workqueue,
-				   &conn->le_conn_timeout,
-				   conn->conn_timeout);
 }
 
 static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status)
@@ -3838,19 +3823,20 @@ static u8 hci_cc_le_set_cig_params(struct hci_dev *hdev, void *data,
 	rcu_read_lock();
 
 	list_for_each_entry_rcu(conn, &hdev->conn_hash.list, list) {
-		if (conn->type != ISO_LINK || conn->iso_qos.cig != rp->cig_id ||
+		if (conn->type != ISO_LINK ||
+		    conn->iso_qos.ucast.cig != rp->cig_id ||
 		    conn->state == BT_CONNECTED)
 			continue;
 
 		conn->handle = __le16_to_cpu(rp->handle[i++]);
 
-		bt_dev_dbg(hdev, "%p handle 0x%4.4x link %p", conn,
-			   conn->handle, conn->link);
+		bt_dev_dbg(hdev, "%p handle 0x%4.4x parent %p", conn,
+			   conn->handle, conn->parent);
 
 		/* Create CIS if LE is already connected */
-		if (conn->link && conn->link->state == BT_CONNECTED) {
+		if (conn->parent && conn->parent->state == BT_CONNECTED) {
 			rcu_read_unlock();
-			hci_le_create_cis(conn->link);
+			hci_le_create_cis(conn);
 			rcu_read_lock();
 		}
 
@@ -3895,7 +3881,7 @@ static u8 hci_cc_le_setup_iso_path(struct hci_dev *hdev, void *data,
 	/* Input (Host to Controller) */
 	case 0x00:
 		/* Only confirm connection if output only */
-		if (conn->iso_qos.out.sdu && !conn->iso_qos.in.sdu)
+		if (conn->iso_qos.ucast.out.sdu && !conn->iso_qos.ucast.in.sdu)
 			hci_connect_cfm(conn, rp->status);
 		break;
 	/* Output (Controller to Host) */
@@ -5035,7 +5021,7 @@ static void hci_sync_conn_complete_evt(struct hci_dev *hdev, void *data,
 		if (conn->out) {
 			conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
 					(hdev->esco_type & EDR_ESCO_MASK);
-			if (hci_setup_sync(conn, conn->link->handle))
+			if (hci_setup_sync(conn, conn->parent->handle))
 				goto unlock;
 		}
 		fallthrough;
@@ -5902,6 +5888,12 @@ static void le_conn_complete_evt(struct hci_dev *hdev, u8 status,
 	if (status)
 		goto unlock;
 
+	/* Drop the connection if it has been aborted */
+	if (test_bit(HCI_CONN_CANCEL, &conn->flags)) {
+		hci_conn_drop(conn);
+		goto unlock;
+	}
+
 	if (conn->dst_type == ADDR_LE_DEV_PUBLIC)
 		addr_type = BDADDR_LE_PUBLIC;
 	else
@@ -6817,15 +6809,15 @@ static void hci_le_cis_estabilished_evt(struct hci_dev *hdev, void *data,
 		memset(&interval, 0, sizeof(interval));
 
 		memcpy(&interval, ev->c_latency, sizeof(ev->c_latency));
-		conn->iso_qos.in.interval = le32_to_cpu(interval);
+		conn->iso_qos.ucast.in.interval = le32_to_cpu(interval);
 		memcpy(&interval, ev->p_latency, sizeof(ev->p_latency));
-		conn->iso_qos.out.interval = le32_to_cpu(interval);
-		conn->iso_qos.in.latency = le16_to_cpu(ev->interval);
-		conn->iso_qos.out.latency = le16_to_cpu(ev->interval);
-		conn->iso_qos.in.sdu = le16_to_cpu(ev->c_mtu);
-		conn->iso_qos.out.sdu = le16_to_cpu(ev->p_mtu);
-		conn->iso_qos.in.phy = ev->c_phy;
-		conn->iso_qos.out.phy = ev->p_phy;
+		conn->iso_qos.ucast.out.interval = le32_to_cpu(interval);
+		conn->iso_qos.ucast.in.latency = le16_to_cpu(ev->interval);
+		conn->iso_qos.ucast.out.latency = le16_to_cpu(ev->interval);
+		conn->iso_qos.ucast.in.sdu = le16_to_cpu(ev->c_mtu);
+		conn->iso_qos.ucast.out.sdu = le16_to_cpu(ev->p_mtu);
+		conn->iso_qos.ucast.in.phy = ev->c_phy;
+		conn->iso_qos.ucast.out.phy = ev->p_phy;
 	}
 
 	if (!ev->status) {
@@ -6899,8 +6891,8 @@ static void hci_le_cis_req_evt(struct hci_dev *hdev, void *data,
 		cis->handle = cis_handle;
 	}
 
-	cis->iso_qos.cig = ev->cig_id;
-	cis->iso_qos.cis = ev->cis_id;
+	cis->iso_qos.ucast.cig = ev->cig_id;
+	cis->iso_qos.ucast.cis = ev->cis_id;
 
 	if (!(flags & HCI_PROTO_DEFER)) {
 		hci_le_accept_cis(hdev, ev->cis_handle);
@@ -6987,15 +6979,15 @@ static void hci_le_big_sync_established_evt(struct hci_dev *hdev, void *data,
 			bis->handle = handle;
 		}
 
-		bis->iso_qos.big = ev->handle;
+		bis->iso_qos.bcast.big = ev->handle;
 		memset(&interval, 0, sizeof(interval));
 		memcpy(&interval, ev->latency, sizeof(ev->latency));
-		bis->iso_qos.in.interval = le32_to_cpu(interval);
+		bis->iso_qos.bcast.in.interval = le32_to_cpu(interval);
 		/* Convert ISO Interval (1.25 ms slots) to latency (ms) */
-		bis->iso_qos.in.latency = le16_to_cpu(ev->interval) * 125 / 100;
-		bis->iso_qos.in.sdu = le16_to_cpu(ev->max_pdu);
+		bis->iso_qos.bcast.in.latency = le16_to_cpu(ev->interval) * 125 / 100;
+		bis->iso_qos.bcast.in.sdu = le16_to_cpu(ev->max_pdu);
 
-		hci_connect_cfm(bis, ev->status);
+		hci_iso_setup_path(bis);
 	}
 
 	hci_dev_unlock(hdev);