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| author |   Johan Hedberg <johan.hedberg@nokia.com> | 2010-12-13 21:07:04 +0200 |
|---|---|---|
| committer |   Gustavo F. Padovan <padovan@profusion.mobi> | 2010-12-22 22:57:37 -0200 |
| commit | 02d981292ad3149e8e5f37cffbccedab1a8576d8 (patch) | |
| tree | c28722fc51a0650c541ce10c8c188c5876881b73 /net/bluetooth | |
| parent | Bluetooth: Add error handling for managment command handlers (diff) | |
| download | linux-dev-02d981292ad3149e8e5f37cffbccedab1a8576d8.tar.xz linux-dev-02d981292ad3149e8e5f37cffbccedab1a8576d8.zip | |
Bluetooth: Add read_version management command
This patch implements the initial read_version command that userspace
will use before any other management interface operations.
Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Diffstat (limited to 'net/bluetooth')
| -rw-r--r-- | net/bluetooth/mgmt.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 7ea5489e7977..3e24c0bf18e7 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -29,6 +29,39 @@ #include <net/bluetooth/hci_core.h> #include <net/bluetooth/mgmt.h> +#define MGMT_VERSION 0 +#define MGMT_REVISION 1 + +static int read_version(struct sock *sk) +{ + struct sk_buff *skb; + struct mgmt_hdr *hdr; + struct mgmt_ev_cmd_complete *ev; + struct mgmt_rp_read_version *rp; + + BT_DBG("sock %p", sk); + + skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + sizeof(*rp), GFP_ATOMIC); + if (!skb) + return -ENOMEM; + + hdr = (void *) skb_put(skb, sizeof(*hdr)); + hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE); + hdr->len = cpu_to_le16(sizeof(*ev) + sizeof(*rp)); + + ev = (void *) skb_put(skb, sizeof(*ev)); + put_unaligned_le16(MGMT_OP_READ_VERSION, &ev->opcode); + + rp = (void *) skb_put(skb, sizeof(*rp)); + rp->version = MGMT_VERSION; + put_unaligned_le16(MGMT_REVISION, &rp->revision); + + if (sock_queue_rcv_skb(sk, skb) < 0) + kfree_skb(skb); + + return 0; +} + static int cmd_status(struct sock *sk, u16 cmd, u8 status) { struct sk_buff *skb; @@ -87,6 +120,9 @@ int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen) } switch (opcode) { + case MGMT_OP_READ_VERSION: + err = read_version(sk); + break; default: BT_DBG("Unknown op %u", opcode); err = cmd_status(sk, opcode, 0x01); |