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hc
2024-02-19 890e1df1bec891d9203724541e81f8fbe5183388 
 kernel/include/net/bluetooth/bluetooth.h
....@@ -41,6 +41,8 @@
4141 #define BLUETOOTH_VER_1_1	1
4242 #define BLUETOOTH_VER_1_2	2
4343 #define BLUETOOTH_VER_2_0	3
44
+#define BLUETOOTH_VER_2_1	4
45
+#define BLUETOOTH_VER_4_0	6
4446 
4547 /* Reserv for core and drivers use */
4648 #define BT_SKB_RESERVE	8
....@@ -121,6 +123,35 @@
121123 
122124 #define BT_SNDMTU		12
123125 #define BT_RCVMTU		13
126
+#define BT_PHY			14
127
+
128
+#define BT_PHY_BR_1M_1SLOT	0x00000001
129
+#define BT_PHY_BR_1M_3SLOT	0x00000002
130
+#define BT_PHY_BR_1M_5SLOT	0x00000004
131
+#define BT_PHY_EDR_2M_1SLOT	0x00000008
132
+#define BT_PHY_EDR_2M_3SLOT	0x00000010
133
+#define BT_PHY_EDR_2M_5SLOT	0x00000020
134
+#define BT_PHY_EDR_3M_1SLOT	0x00000040
135
+#define BT_PHY_EDR_3M_3SLOT	0x00000080
136
+#define BT_PHY_EDR_3M_5SLOT	0x00000100
137
+#define BT_PHY_LE_1M_TX		0x00000200
138
+#define BT_PHY_LE_1M_RX		0x00000400
139
+#define BT_PHY_LE_2M_TX		0x00000800
140
+#define BT_PHY_LE_2M_RX		0x00001000
141
+#define BT_PHY_LE_CODED_TX	0x00002000
142
+#define BT_PHY_LE_CODED_RX	0x00004000
143
+
144
+#define BT_MODE			15
145
+
146
+#define BT_MODE_BASIC		0x00
147
+#define BT_MODE_ERTM		0x01
148
+#define BT_MODE_STREAMING	0x02
149
+#define BT_MODE_LE_FLOWCTL	0x03
150
+#define BT_MODE_EXT_FLOWCTL	0x04
151
+
152
+#define BT_PKT_STATUS          16
153
+
154
+#define BT_SCM_PKT_STATUS	0x03
124155 
125156 __printf(1, 2)
126157 void bt_info(const char *fmt, ...);
....@@ -128,27 +159,42 @@
128159 void bt_warn(const char *fmt, ...);
129160 __printf(1, 2)
130161 void bt_err(const char *fmt, ...);
162
+#if IS_ENABLED(CONFIG_BT_FEATURE_DEBUG)
163
+void bt_dbg_set(bool enable);
164
+bool bt_dbg_get(void);
165
+__printf(1, 2)
166
+void bt_dbg(const char *fmt, ...);
167
+#endif
168
+__printf(1, 2)
169
+void bt_warn_ratelimited(const char *fmt, ...);
131170 __printf(1, 2)
132171 void bt_err_ratelimited(const char *fmt, ...);
133172 
134173 #define BT_INFO(fmt, ...)	bt_info(fmt "\n", ##__VA_ARGS__)
135174 #define BT_WARN(fmt, ...)	bt_warn(fmt "\n", ##__VA_ARGS__)
136175 #define BT_ERR(fmt, ...)	bt_err(fmt "\n", ##__VA_ARGS__)
137
-#define BT_DBG(fmt, ...)	pr_debug(fmt "\n", ##__VA_ARGS__)
138176 
139
-#define BT_ERR_RATELIMITED(fmt, ...) bt_err_ratelimited(fmt "\n", ##__VA_ARGS__)
177
+#if IS_ENABLED(CONFIG_BT_FEATURE_DEBUG)
178
+#define BT_DBG(fmt, ...)	bt_dbg(fmt "\n", ##__VA_ARGS__)
179
+#else
180
+#define BT_DBG(fmt, ...)	pr_debug(fmt "\n", ##__VA_ARGS__)
181
+#endif
182
+
183
+#define bt_dev_name(hdev) ((hdev) ? (hdev)->name : "null")
140184 
141185 #define bt_dev_info(hdev, fmt, ...)				\
142
-	BT_INFO("%s: " fmt, (hdev)->name, ##__VA_ARGS__)
186
+	BT_INFO("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
143187 #define bt_dev_warn(hdev, fmt, ...)				\
144
-	BT_WARN("%s: " fmt, (hdev)->name, ##__VA_ARGS__)
188
+	BT_WARN("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
145189 #define bt_dev_err(hdev, fmt, ...)				\
146
-	BT_ERR("%s: " fmt, (hdev)->name, ##__VA_ARGS__)
190
+	BT_ERR("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
147191 #define bt_dev_dbg(hdev, fmt, ...)				\
148
-	BT_DBG("%s: " fmt, (hdev)->name, ##__VA_ARGS__)
192
+	BT_DBG("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
149193 
194
+#define bt_dev_warn_ratelimited(hdev, fmt, ...)			\
195
+	bt_warn_ratelimited("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
150196 #define bt_dev_err_ratelimited(hdev, fmt, ...)			\
151
-	BT_ERR_RATELIMITED("%s: " fmt, (hdev)->name, ##__VA_ARGS__)
197
+	bt_err_ratelimited("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
152198 
153199 /* Connection and socket states */
154200 enum {
....@@ -248,6 +294,7 @@
248294 	struct sock *parent;
249295 	unsigned long flags;
250296 	void (*skb_msg_name)(struct sk_buff *, void *, int *);
297
+	void (*skb_put_cmsg)(struct sk_buff *, struct msghdr *, struct sock *);
251298 };
252299 
253300 enum {
....@@ -297,6 +344,10 @@
297344 	struct l2cap_chan *chan;
298345 };
299346 
347
+struct sco_ctrl {
348
+	u8	pkt_status;
349
+};
350
+
300351 struct hci_dev;
301352 
302353 typedef void (*hci_req_complete_t)(struct hci_dev *hdev, u8 status, u16 opcode);
....@@ -323,6 +374,7 @@
323374 	u8 incoming:1;
324375 	union {
325376 		struct l2cap_ctrl l2cap;
377
+		struct sco_ctrl sco;
326378 		struct hci_ctrl hci;
327379 	};
328380 };
....@@ -370,6 +422,71 @@
370422 	return NULL;
371423 }
372424 
425
+/* Shall not be called with lock_sock held */
426
+static inline struct sk_buff *bt_skb_sendmsg(struct sock *sk,
427
+					     struct msghdr *msg,
428
+					     size_t len, size_t mtu,
429
+					     size_t headroom, size_t tailroom)
430
+{
431
+	struct sk_buff *skb;
432
+	size_t size = min_t(size_t, len, mtu);
433
+	int err;
434
+
435
+	skb = bt_skb_send_alloc(sk, size + headroom + tailroom,
436
+				msg->msg_flags & MSG_DONTWAIT, &err);
437
+	if (!skb)
438
+		return ERR_PTR(err);
439
+
440
+	skb_reserve(skb, headroom);
441
+	skb_tailroom_reserve(skb, mtu, tailroom);
442
+
443
+	if (!copy_from_iter_full(skb_put(skb, size), size, &msg->msg_iter)) {
444
+		kfree_skb(skb);
445
+		return ERR_PTR(-EFAULT);
446
+	}
447
+
448
+	skb->priority = sk->sk_priority;
449
+
450
+	return skb;
451
+}
452
+
453
+/* Similar to bt_skb_sendmsg but can split the msg into multiple fragments
454
+ * accourding to the MTU.
455
+ */
456
+static inline struct sk_buff *bt_skb_sendmmsg(struct sock *sk,
457
+					      struct msghdr *msg,
458
+					      size_t len, size_t mtu,
459
+					      size_t headroom, size_t tailroom)
460
+{
461
+	struct sk_buff *skb, **frag;
462
+
463
+	skb = bt_skb_sendmsg(sk, msg, len, mtu, headroom, tailroom);
464
+	if (IS_ERR_OR_NULL(skb))
465
+		return skb;
466
+
467
+	len -= skb->len;
468
+	if (!len)
469
+		return skb;
470
+
471
+	/* Add remaining data over MTU as continuation fragments */
472
+	frag = &skb_shinfo(skb)->frag_list;
473
+	while (len) {
474
+		struct sk_buff *tmp;
475
+
476
+		tmp = bt_skb_sendmsg(sk, msg, len, mtu, headroom, tailroom);
477
+		if (IS_ERR(tmp)) {
478
+			return skb;
479
+		}
480
+
481
+		len -= tmp->len;
482
+
483
+		*frag = tmp;
484
+		frag = &(*frag)->next;
485
+	}
486
+
487
+	return skb;
488
+}
489
+
373490 int bt_to_errno(u16 code);
374491 
375492 void hci_sock_set_flag(struct sock *sk, int nr);