From: Johan Hedberg <johan.hedberg@xxxxxxxxx>
This patch implements the Read Supported Commands mgmt command which was
recently added to the API specification. It returns a list of supported
commands and events to user space.
Signed-off-by: Johan Hedberg <johan.hedberg@xxxxxxxxx>
---
include/net/bluetooth/mgmt.h | 7 +++
net/bluetooth/mgmt.c | 101 ++++++++++++++++++++++++++++++++++++++++++
2 files changed, 108 insertions(+), 0 deletions(-)
diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h
index 5b5edee..255a996 100644
--- a/include/net/bluetooth/mgmt.h
+++ b/include/net/bluetooth/mgmt.h
@@ -63,6 +63,13 @@ struct mgmt_rp_read_version {
__le16 revision;
} __packed;
+#define MGMT_OP_READ_COMMANDS 0x0002
+struct mgmt_rp_read_commands {
+ __le16 num_commands;
+ __le16 num_events;
+ __le16 opcodes[0];
+} __packed;
+
#define MGMT_OP_READ_INDEX_LIST 0x0003
struct mgmt_rp_read_index_list {
__le16 num_controllers;
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index a2c2e12..dbd521d 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -35,6 +35,71 @@
#define MGMT_VERSION 0
#define MGMT_REVISION 1
+static u16 mgmt_commands[] = {
+ MGMT_OP_READ_INDEX_LIST,
+ MGMT_OP_READ_INFO,
+ MGMT_OP_SET_POWERED,
+ MGMT_OP_SET_DISCOVERABLE,
+ MGMT_OP_SET_CONNECTABLE,
+ MGMT_OP_SET_FAST_CONNECTABLE,
+ MGMT_OP_SET_PAIRABLE,
+ MGMT_OP_SET_LINK_SECURITY,
+ MGMT_OP_SET_SSP,
+ MGMT_OP_SET_HS,
+ MGMT_OP_SET_LE,
+ MGMT_OP_SET_DEV_CLASS,
+ MGMT_OP_SET_LOCAL_NAME,
+ MGMT_OP_ADD_UUID,
+ MGMT_OP_REMOVE_UUID,
+ MGMT_OP_LOAD_LINK_KEYS,
+ MGMT_OP_LOAD_LONG_TERM_KEYS,
+ MGMT_OP_DISCONNECT,
+ MGMT_OP_GET_CONNECTIONS,
+ MGMT_OP_PIN_CODE_REPLY,
+ MGMT_OP_PIN_CODE_NEG_REPLY,
+ MGMT_OP_SET_IO_CAPABILITY,
+ MGMT_OP_PAIR_DEVICE,
+ MGMT_OP_CANCEL_PAIR_DEVICE,
+ MGMT_OP_UNPAIR_DEVICE,
+ MGMT_OP_USER_CONFIRM_REPLY,
+ MGMT_OP_USER_CONFIRM_NEG_REPLY,
+ MGMT_OP_USER_PASSKEY_REPLY,
+ MGMT_OP_USER_PASSKEY_NEG_REPLY,
+ MGMT_OP_READ_LOCAL_OOB_DATA,
+ MGMT_OP_ADD_REMOTE_OOB_DATA,
+ MGMT_OP_REMOVE_REMOTE_OOB_DATA,
+ MGMT_OP_START_DISCOVERY,
+ MGMT_OP_STOP_DISCOVERY,
+ MGMT_OP_CONFIRM_NAME,
+ MGMT_OP_BLOCK_DEVICE,
+ MGMT_OP_UNBLOCK_DEVICE,
+};
+
+static u16 mgmt_events[] = {
+ MGMT_EV_CMD_COMPLETE,
+ MGMT_EV_CMD_STATUS,
+ MGMT_EV_CONTROLLER_ERROR,
+ MGMT_EV_INDEX_ADDED,
+ MGMT_EV_INDEX_REMOVED,
+ MGMT_EV_NEW_SETTINGS,
+ MGMT_EV_CLASS_OF_DEV_CHANGED,
+ MGMT_EV_LOCAL_NAME_CHANGED,
+ MGMT_EV_NEW_LINK_KEY,
+ MGMT_EV_NEW_LONG_TERM_KEY,
+ MGMT_EV_DEVICE_CONNECTED,
+ MGMT_EV_DEVICE_DISCONNECTED,
+ MGMT_EV_CONNECT_FAILED,
+ MGMT_EV_PIN_CODE_REQUEST,
+ MGMT_EV_USER_CONFIRM_REQUEST,
+ MGMT_EV_USER_PASSKEY_REQUEST,
+ MGMT_EV_AUTH_FAILED,
+ MGMT_EV_DEVICE_FOUND,
+ MGMT_EV_DISCOVERING,
+ MGMT_EV_DEVICE_BLOCKED,
+ MGMT_EV_DEVICE_UNBLOCKED,
+ MGMT_EV_DEVICE_UNPAIRED,
+};
+
/*
* These LE scan and inquiry parameters were chosen according to LE General
* Discovery Procedure specification.
@@ -206,6 +271,39 @@ static int read_version(struct sock *sk)
sizeof(rp));
}
+static int read_commands(struct sock *sk)
+{
+ struct mgmt_rp_read_commands *rp;
+ u16 num_commands = ARRAY_SIZE(mgmt_commands);
+ u16 num_events = ARRAY_SIZE(mgmt_events);
+ u16 *opcode;
+ size_t rp_size;
+ int i, err;
+
+ BT_DBG("sock %p", sk);
+
+ rp_size = sizeof(*rp) + ((num_commands + num_events) * sizeof(u16));
+
+ rp = kmalloc(rp_size, GFP_KERNEL);
+ if (!rp)
+ return -ENOMEM;
+
+ put_unaligned_le16(num_commands, &rp->num_commands);
+ put_unaligned_le16(num_events, &rp->num_events);
+
+ for (i = 0, opcode = rp->opcodes; i < num_commands; i++, opcode++)
+ put_unaligned_le16(mgmt_commands[i], opcode);
+
+ for (i = 0; i < num_events; i++, opcode++)
+ put_unaligned_le16(mgmt_events[i], opcode);
+
+ err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_COMMANDS, rp,
+ rp_size);
+ kfree(rp);
+
+ return err;
+}
+
static int read_index_list(struct sock *sk)
{
struct mgmt_rp_read_index_list *rp;
@@ -2323,6 +2421,9 @@ int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
case MGMT_OP_READ_VERSION:
err = read_version(sk);
break;
+ case MGMT_OP_READ_COMMANDS:
+ err = read_commands(sk);
+ break;
case MGMT_OP_READ_INDEX_LIST:
err = read_index_list(sk);
break;
--
1.7.9
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