From: Ville Tervo <ville.tervo@nokia.com>
Date: Fri, 11 Feb 2011 01:38:53 +0000 (-0300)
Subject: Bluetooth: Treat LE and ACL links separately on timeout
X-Git-Tag: firefly_0821_release~7613^2~967^2~16^2~578^2~196^2~16
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=bae1f5d9464d231148301fcbf4e425a096a5b96d;p=firefly-linux-kernel-4.4.55.git

Bluetooth: Treat LE and ACL links separately on timeout

Separate LE and ACL timeouts. Othervise ACL connections
on non LE hw will time out after 45 secs.

Signed-off-by: Ville Tervo <ville.tervo@nokia.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
---

diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 92960532dea4..173bebd42825 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1711,19 +1711,19 @@ static inline struct hci_conn *hci_low_sent(struct hci_dev *hdev, __u8 type, int
 	return conn;
 }
 
-static inline void hci_acl_tx_to(struct hci_dev *hdev)
+static inline void hci_link_tx_to(struct hci_dev *hdev, __u8 type)
 {
 	struct hci_conn_hash *h = &hdev->conn_hash;
 	struct list_head *p;
 	struct hci_conn  *c;
 
-	BT_ERR("%s ACL tx timeout", hdev->name);
+	BT_ERR("%s link tx timeout", hdev->name);
 
 	/* Kill stalled connections */
 	list_for_each(p, &h->list) {
 		c = list_entry(p, struct hci_conn, list);
-		if (c->type == ACL_LINK && c->sent) {
-			BT_ERR("%s killing stalled ACL connection %s",
+		if (c->type == type && c->sent) {
+			BT_ERR("%s killing stalled connection %s",
 				hdev->name, batostr(&c->dst));
 			hci_acl_disconn(c, 0x13);
 		}
@@ -1742,7 +1742,7 @@ static inline void hci_sched_acl(struct hci_dev *hdev)
 		/* ACL tx timeout must be longer than maximum
 		 * link supervision timeout (40.9 seconds) */
 		if (!hdev->acl_cnt && time_after(jiffies, hdev->acl_last_tx + HZ * 45))
-			hci_acl_tx_to(hdev);
+			hci_link_tx_to(hdev, ACL_LINK);
 	}
 
 	while (hdev->acl_cnt && (conn = hci_low_sent(hdev, ACL_LINK, &quote))) {
@@ -1812,9 +1812,9 @@ static inline void hci_sched_le(struct hci_dev *hdev)
 	if (!test_bit(HCI_RAW, &hdev->flags)) {
 		/* LE tx timeout must be longer than maximum
 		 * link supervision timeout (40.9 seconds) */
-		if (!hdev->le_cnt &&
+		if (!hdev->le_cnt && hdev->le_pkts &&
 				time_after(jiffies, hdev->le_last_tx + HZ * 45))
-			hci_acl_tx_to(hdev);
+			hci_link_tx_to(hdev, LE_LINK);
 	}
 
 	cnt = hdev->le_pkts ? hdev->le_cnt : hdev->acl_cnt;