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NFC: Add support for SO_TIMESTAMP LLCP socket option 

Set timestamp in sent and received sk_buffs. timestamp is then put in
msghdr structure in llcp_sock_recvmsg().

Signed-off-by: Thierry Escande <thierry.escande@linux.intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Thierry Escande 2012-11-27 15:44:24 +01:00 committed by Samuel Ortiz
parent e7f767a7d9
commit 2c2d45bdcb
3 changed files with 8 additions and 0 deletions
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2
net/nfc/llcp/commands.c
View File

@ -304,6 +304,8 @@ int nfc_llcp_send_symm(struct nfc_dev *dev)
skb = llcp_add_header(skb, 0, 0, LLCP_PDU_SYMM);
__net_timestamp(skb);
nfc_llcp_send_to_raw_sock(local, skb, NFC_LLCP_DIRECTION_TX);
return nfc_data_exchange(dev, local->target_idx, skb,

4
net/nfc/llcp/llcp.c
View File

@ -668,6 +668,8 @@ static void nfc_llcp_tx_work(struct work_struct *work)
if (ptype == LLCP_PDU_I)
copy_skb = skb_copy(skb, GFP_ATOMIC);
__net_timestamp(skb);
nfc_llcp_send_to_raw_sock(local, skb,
NFC_LLCP_DIRECTION_TX);
@ -1245,6 +1247,8 @@ static void nfc_llcp_rx_work(struct work_struct *work)
print_hex_dump(KERN_DEBUG, "LLCP Rx: ", DUMP_PREFIX_OFFSET,
16, 1, skb->data, skb->len, true);
__net_timestamp(skb);
nfc_llcp_send_to_raw_sock(local, skb, NFC_LLCP_DIRECTION_RX);
switch (ptype) {

2
net/nfc/llcp/sock.c
View File

@ -678,6 +678,8 @@ static int llcp_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
return -EFAULT;
}
sock_recv_timestamp(msg, sk, skb);
if (sk->sk_type == SOCK_DGRAM && msg->msg_name) {
struct nfc_llcp_ui_cb *ui_cb = nfc_llcp_ui_skb_cb(skb);
struct sockaddr_nfc_llcp sockaddr;