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authorJohan Hedberg <johan.hedberg@intel.com>2015-11-05 09:31:40 +0200
committerMarcel Holtmann <marcel@holtmann.org>2015-11-19 17:50:27 +0100
commit44d271377479c4d4fe7f2d07d188656684773fbd (patch)
tree0fad2880c4becec52d10825c5b4d951b38233d5f /include/net/bluetooth
parent5fcc86bd2695d4ccad2d87cb424f4c01a4e544f3 (diff)
Bluetooth: Compress the size of struct hci_ctrl
We can reduce the size of the hci_ctrl struct by converting 'bool req_start' to 'u8 req_flags' and making the two function pointers a union (since only one is ever set at a time). Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'include/net/bluetooth')
-rw-r--r--include/net/bluetooth/bluetooth.h11
1 files changed, 8 insertions, 3 deletions
diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index a85e6d3d75ef..8d38f411009c 100644
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h
@@ -296,12 +296,17 @@ typedef void (*hci_req_complete_t)(struct hci_dev *hdev, u8 status, u16 opcode);
typedef void (*hci_req_complete_skb_t)(struct hci_dev *hdev, u8 status,
u16 opcode, struct sk_buff *skb);
+#define HCI_REQ_START BIT(0)
+#define HCI_REQ_SKB BIT(1)
+
struct hci_ctrl {
__u16 opcode;
- bool req_start;
+ u8 req_flags;
u8 req_event;
- hci_req_complete_t req_complete;
- hci_req_complete_skb_t req_complete_skb;
+ union {
+ hci_req_complete_t req_complete;
+ hci_req_complete_skb_t req_complete_skb;
+ };
};
struct bt_skb_cb {