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[Bluetooth] Advertise L2CAP features mask support

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Indicate the support for the L2CAP features mask value when the remote
entity tries to negotiate Bluetooth 1.2 specific features.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Marcel Holtmann 2007-10-20 13:38:51 +02:00 committed by David S. Miller
parent 4e8402a3f8
commit f0709e03ac
1 changed files with 18 additions and 5 deletions
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19
net/bluetooth/l2cap.c
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@ -55,7 +55,9 @@
#define BT_DBG(D...) #define BT_DBG(D...)
#endif #endif
#define VERSION "2.8" #define VERSION "2.9"
static u32 l2cap_feat_mask = 0x0000;
static const struct proto_ops l2cap_sock_ops; static const struct proto_ops l2cap_sock_ops;
@ -1775,16 +1777,27 @@ static inline int l2cap_disconnect_rsp(struct l2cap_conn *conn, struct l2cap_cmd
static inline int l2cap_information_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data) static inline int l2cap_information_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
{ {
struct l2cap_info_req *req = (struct l2cap_info_req *) data; struct l2cap_info_req *req = (struct l2cap_info_req *) data;
struct l2cap_info_rsp rsp;
u16 type; u16 type;
type = __le16_to_cpu(req->type); type = __le16_to_cpu(req->type);
BT_DBG("type 0x%4.4x", type); BT_DBG("type 0x%4.4x", type);
if (type == L2CAP_IT_FEAT_MASK) {
u8 buf[8];
struct l2cap_info_rsp *rsp = (struct l2cap_info_rsp *) buf;
rsp->type = cpu_to_le16(L2CAP_IT_FEAT_MASK);
rsp->result = cpu_to_le16(L2CAP_IR_SUCCESS);
put_unaligned(cpu_to_le32(l2cap_feat_mask), (__le32 *) rsp->data);
l2cap_send_cmd(conn, cmd->ident,
L2CAP_INFO_RSP, sizeof(buf), buf);
} else {
struct l2cap_info_rsp rsp;
rsp.type = cpu_to_le16(type); rsp.type = cpu_to_le16(type);
rsp.result = cpu_to_le16(L2CAP_IR_NOTSUPP); rsp.result = cpu_to_le16(L2CAP_IR_NOTSUPP);
l2cap_send_cmd(conn, cmd->ident, L2CAP_INFO_RSP, sizeof(rsp), &rsp); l2cap_send_cmd(conn, cmd->ident,
L2CAP_INFO_RSP, sizeof(rsp), &rsp);
}
return 0; return 0;
} }