Date:   Fri,  4 Jun 2021 16:26:25 +0800
From:   Archie Pusaka <apusaka@...gle.com>
To:     linux-bluetooth <linux-bluetooth@...r.kernel.org>,
        Marcel Holtmann <marcel@...tmann.org>
Cc:     CrosBT Upstreaming <chromeos-bluetooth-upstreaming@...omium.org>,
        Archie Pusaka <apusaka@...omium.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Luiz Augusto von Dentz <luiz.dentz@...il.com>,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH v3 1/3] Bluetooth: use inclusive language in HCI role comments

From: Archie Pusaka <apusaka@...omium.org>

This patch replaces some non-inclusive terms based on the appropriate
language mapping table compiled by the Bluetooth SIG:
https://specificationrefs.bluetooth.com/language-mapping/Appropriate_Language_Mapping_Table.pdf

Specifically, these terms are replaced:
master -> initiator (for smp) or central (everything else)
slave  -> responder (for smp) or peripheral (everything else)

The #define preprocessor terms are unchanged for now to not disturb
dependent APIs.

Signed-off-by: Archie Pusaka <apusaka@...omium.org>

---

Changes in v3:
* Remove the #define terms from change

 net/bluetooth/hci_conn.c   | 8 ++++----
 net/bluetooth/hci_event.c  | 6 +++---
 net/bluetooth/l2cap_core.c | 2 +-
 net/bluetooth/smp.c        | 6 +++---
 4 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index ea0f9cdaa6b1..2b5059a56cda 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -257,7 +257,7 @@ int hci_disconnect(struct hci_conn *conn, __u8 reason)
 {
 	BT_DBG("hcon %p", conn);
 
-	/* When we are master of an established connection and it enters
+	/* When we are central of an established connection and it enters
 	 * the disconnect timeout, then go ahead and try to read the
 	 * current clock offset.  Processing of the result is done
 	 * within the event handling and hci_clock_offset_evt function.
@@ -1109,9 +1109,9 @@ struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
 
 	hci_req_init(&req, hdev);
 
-	/* Disable advertising if we're active. For master role
+	/* Disable advertising if we're active. For central role
 	 * connections most controllers will refuse to connect if
-	 * advertising is enabled, and for slave role connections we
+	 * advertising is enabled, and for peripheral role connections we
 	 * anyway have to disable it in order to start directed
 	 * advertising. Any registered advertisements will be
 	 * re-enabled after the connection attempt is finished.
@@ -1119,7 +1119,7 @@ struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
 	if (hci_dev_test_flag(hdev, HCI_LE_ADV))
 		__hci_req_pause_adv_instances(&req);
 
-	/* If requested to connect as slave use directed advertising */
+	/* If requested to connect as peripheral use directed advertising */
 	if (conn->role == HCI_ROLE_SLAVE) {
 		/* If we're active scanning most controllers are unable
 		 * to initiate advertising. Simply reject the attempt.
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 43c324c46c0b..da013d485f14 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -2795,9 +2795,9 @@ static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
 		bacpy(&cp.bdaddr, &ev->bdaddr);
 
 		if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
-			cp.role = 0x00; /* Become master */
+			cp.role = 0x00; /* Become central */
 		else
-			cp.role = 0x01; /* Remain slave */
+			cp.role = 0x01; /* Remain peripheral */
 
 		hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp);
 	} else if (!(flags & HCI_PROTO_DEFER)) {
@@ -5131,7 +5131,7 @@ static void le_conn_complete_evt(struct hci_dev *hdev, u8 status,
 		conn->dst_type = bdaddr_type;
 
 		/* If we didn't have a hci_conn object previously
-		 * but we're in master role this must be something
+		 * but we're in central role this must be something
 		 * initiated using a white list. Since white list based
 		 * connections are not "first class citizens" we don't
 		 * have full tracking of them. Therefore, we go ahead
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 9ebb85df4db4..b76c5d00b082 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -1691,7 +1691,7 @@ static void l2cap_le_conn_ready(struct l2cap_conn *conn)
 	if (hcon->out)
 		smp_conn_security(hcon, hcon->pending_sec_level);
 
-	/* For LE slave connections, make sure the connection interval
+	/* For LE peripheral connections, make sure the connection interval
 	 * is in the range of the minimum and maximum interval that has
 	 * been configured for this connection. If not, then trigger
 	 * the connection update procedure.
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 6777f5313838..53f984d11bc1 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -909,8 +909,8 @@ static int tk_request(struct l2cap_conn *conn, u8 remote_oob, u8 auth,
 			hcon->pending_sec_level = BT_SECURITY_HIGH;
 	}
 
-	/* If both devices have Keyoard-Display I/O, the master
-	 * Confirms and the slave Enters the passkey.
+	/* If both devices have Keyboard-Display I/O, the initiator
+	 * Confirms and the responder Enters the passkey.
 	 */
 	if (smp->method == OVERLAP) {
 		if (hcon->role == HCI_ROLE_MASTER)
@@ -3083,7 +3083,7 @@ static void bredr_pairing(struct l2cap_chan *chan)
 	if (!test_bit(HCI_CONN_ENCRYPT, &hcon->flags))
 		return;
 
-	/* Only master may initiate SMP over BR/EDR */
+	/* Only initiator may initiate SMP over BR/EDR */
 	if (hcon->role != HCI_ROLE_MASTER)
 		return;
 
-- 
2.32.0.rc1.229.g3e70b5a671-goog

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