diff options
| author |   Samuel Ortiz <sameo@linux.intel.com> | 2012-03-05 01:03:37 +0100 |
|---|---|---|
| committer |   John W. Linville <linville@tuxdriver.com> | 2012-03-06 15:16:20 -0500 |
| commit | 53a0ac2ee810cf82ec374b686a1dc3c32399265a (patch) | |
| tree | 59a6782f1cd8d6e3af315dc6980f858cedad4e44 /net/nfc/llcp/commands.c | |
| parent | NFC: Handle Receiver Not Ready LLCP frame (diff) | |
| download | linux-dev-53a0ac2ee810cf82ec374b686a1dc3c32399265a.tar.xz linux-dev-53a0ac2ee810cf82ec374b686a1dc3c32399265a.zip | |
NFC: LLCP socket sendmsg implemetation
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/nfc/llcp/commands.c')
| -rw-r--r-- | net/nfc/llcp/commands.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/net/nfc/llcp/commands.c b/net/nfc/llcp/commands.c index 151f2ef429c4..f6c2257c11aa 100644 --- a/net/nfc/llcp/commands.c +++ b/net/nfc/llcp/commands.c @@ -397,3 +397,34 @@ int nfc_llcp_send_disconnect(struct nfc_llcp_sock *sock) return 0; } + +int nfc_llcp_send_i_frame(struct nfc_llcp_sock *sock, + struct msghdr *msg, size_t len) +{ + struct sk_buff *pdu; + struct sock *sk; + + pr_debug("Send I frame\n"); + + pdu = llcp_allocate_pdu(sock, LLCP_PDU_I, len + LLCP_SEQUENCE_SIZE); + if (pdu == NULL) + return -ENOMEM; + + skb_put(pdu, LLCP_SEQUENCE_SIZE); + + if (memcpy_fromiovec(skb_put(pdu, len), msg->msg_iov, len)) { + kfree_skb(pdu); + return -EFAULT; + } + + skb_queue_head(&sock->tx_queue, pdu); + + sk = &sock->sk; + lock_sock(sk); + + nfc_llcp_queue_i_frames(sock); + + release_sock(sk); + + return 0; +} |