To filter out certain actions for certain HCI sockets introcuce a flags
field that allows to configure specific settings on individual sockets.
Since the hci_pinfo structure is private in hci_sock.c, provide helper
functions for setting and clearing a given flag.
Signed-off-by: Marcel Holtmann <marcel@xxxxxxxxxxxx>
---
include/net/bluetooth/bluetooth.h | 3 +++
net/bluetooth/hci_sock.c | 11 +++++++++++
2 files changed, 14 insertions(+)
diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index e598ca096ec9..ae1f2ee1eaf3 100644
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h
@@ -335,6 +335,9 @@ out:
int bt_to_errno(__u16 code);
+void hci_sock_set_flag(struct sock *sk, int nr);
+void hci_sock_clear_flag(struct sock *sk, int nr);
+
int hci_sock_init(void);
void hci_sock_cleanup(void);
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index b614543b4fe3..bf5365c49c9c 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -47,8 +47,19 @@ struct hci_pinfo {
struct hci_filter filter;
__u32 cmsg_mask;
unsigned short channel;
+ unsigned long flags;
};
+void hci_sock_set_flag(struct sock *sk, int nr)
+{
+ set_bit(nr, &hci_pi(sk)->flags);
+}
+
+void hci_sock_clear_flag(struct sock *sk, int nr)
+{
+ clear_bit(nr, &hci_pi(sk)->flags);
+}
+
static inline int hci_test_bit(int nr, const void *addr)
{
return *((const __u32 *) addr + (nr >> 5)) & ((__u32) 1 << (nr & 31));
--
2.1.0
--
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