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authorMarcel Holtmann <marcel@holtmann.org>2016-08-29 07:19:46 +0300
committerMarcel Holtmann <marcel@holtmann.org>2016-09-19 21:19:34 +0300
commit5504c3a31061704512707bb23bd7835e8a5281e4 (patch)
tree711c7fbfbd27cf97d160f2b6dea500bd479bf3c3
parent37d3a1fab50fa07ac706787646e61c60e7c520e0 (diff)
downloadlinux-5504c3a31061704512707bb23bd7835e8a5281e4.tar.xz
Bluetooth: Use individual flags for certain management events
Instead of hiding everything behind a general managment events flag, introduce indivdual flags that allow fine control over which events are send to a given management channel. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
-rw-r--r--include/net/bluetooth/hci.h5
-rw-r--r--net/bluetooth/hci_sock.c5
-rw-r--r--net/bluetooth/mgmt.c32
3 files changed, 21 insertions, 21 deletions
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 0aac123b5eee..ddb9accac3a5 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -208,7 +208,10 @@ enum {
HCI_MGMT_INDEX_EVENTS,
HCI_MGMT_UNCONF_INDEX_EVENTS,
HCI_MGMT_EXT_INDEX_EVENTS,
- HCI_MGMT_GENERIC_EVENTS,
+ HCI_MGMT_OPTION_EVENTS,
+ HCI_MGMT_SETTING_EVENTS,
+ HCI_MGMT_DEV_CLASS_EVENTS,
+ HCI_MGMT_LOCAL_NAME_EVENTS,
HCI_MGMT_OOB_DATA_EVENTS,
};
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 576ea48631b9..d37c2243157b 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -1164,7 +1164,10 @@ static int hci_sock_bind(struct socket *sock, struct sockaddr *addr,
hci_sock_set_flag(sk, HCI_MGMT_INDEX_EVENTS);
hci_sock_set_flag(sk, HCI_MGMT_UNCONF_INDEX_EVENTS);
- hci_sock_set_flag(sk, HCI_MGMT_GENERIC_EVENTS);
+ hci_sock_set_flag(sk, HCI_MGMT_OPTION_EVENTS);
+ hci_sock_set_flag(sk, HCI_MGMT_SETTING_EVENTS);
+ hci_sock_set_flag(sk, HCI_MGMT_DEV_CLASS_EVENTS);
+ hci_sock_set_flag(sk, HCI_MGMT_LOCAL_NAME_EVENTS);
}
break;
}
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index f9af5f7c2ea2..469f5cc3109b 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -256,13 +256,6 @@ static int mgmt_limited_event(u16 event, struct hci_dev *hdev, void *data,
flag, skip_sk);
}
-static int mgmt_generic_event(u16 event, struct hci_dev *hdev, void *data,
- u16 len, struct sock *skip_sk)
-{
- return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
- HCI_MGMT_GENERIC_EVENTS, skip_sk);
-}
-
static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 len,
struct sock *skip_sk)
{
@@ -579,8 +572,8 @@ static int new_options(struct hci_dev *hdev, struct sock *skip)
{
__le32 options = get_missing_options(hdev);
- return mgmt_generic_event(MGMT_EV_NEW_CONFIG_OPTIONS, hdev, &options,
- sizeof(options), skip);
+ return mgmt_limited_event(MGMT_EV_NEW_CONFIG_OPTIONS, hdev, &options,
+ sizeof(options), HCI_MGMT_OPTION_EVENTS, skip);
}
static int send_options_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
@@ -1007,8 +1000,8 @@ static int new_settings(struct hci_dev *hdev, struct sock *skip)
{
__le32 ev = cpu_to_le32(get_current_settings(hdev));
- return mgmt_generic_event(MGMT_EV_NEW_SETTINGS, hdev, &ev,
- sizeof(ev), skip);
+ return mgmt_limited_event(MGMT_EV_NEW_SETTINGS, hdev, &ev,
+ sizeof(ev), HCI_MGMT_SETTING_EVENTS, skip);
}
int mgmt_new_settings(struct hci_dev *hdev)
@@ -3000,8 +2993,8 @@ static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
if (err < 0)
goto failed;
- err = mgmt_generic_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev,
- data, len, sk);
+ err = mgmt_limited_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, data,
+ len, HCI_MGMT_LOCAL_NAME_EVENTS, sk);
goto failed;
}
@@ -6502,8 +6495,9 @@ void __mgmt_power_off(struct hci_dev *hdev)
mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0)
- mgmt_generic_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
- zero_cod, sizeof(zero_cod), NULL);
+ mgmt_limited_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
+ zero_cod, sizeof(zero_cod),
+ HCI_MGMT_DEV_CLASS_EVENTS, NULL);
new_settings(hdev, match.sk);
@@ -7100,8 +7094,8 @@ void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match);
if (!status)
- mgmt_generic_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
- dev_class, 3, NULL);
+ mgmt_limited_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, dev_class,
+ 3, HCI_MGMT_DEV_CLASS_EVENTS, NULL);
if (match.sk)
sock_put(match.sk);
@@ -7130,8 +7124,8 @@ void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status)
return;
}
- mgmt_generic_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev),
- cmd ? cmd->sk : NULL);
+ mgmt_limited_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev),
+ HCI_MGMT_LOCAL_NAME_EVENTS, cmd ? cmd->sk : NULL);
}
static inline bool has_uuid(u8 *uuid, u16 uuid_count, u8 (*uuids)[16])