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authorThierry Escande <thierry.escande@linux.intel.com>2012-11-27 15:44:24 +0100
committerSamuel Ortiz <sameo@linux.intel.com>2013-01-10 00:44:24 +0100
commit2c2d45bdcb7063ef58dc2c27d72026c394a8f584 (patch)
tree8f2e39c41056cfbd5465720dd03147e217dc7dd6
parente7f767a7d9f809c494bfffffeda2bbdbfec110b4 (diff)
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>
-rw-r--r--net/nfc/llcp/commands.c2
-rw-r--r--net/nfc/llcp/llcp.c4
-rw-r--r--net/nfc/llcp/sock.c2
3 files changed, 8 insertions, 0 deletions
diff --git a/net/nfc/llcp/commands.c b/net/nfc/llcp/commands.c
index df24be48d4d..c6bc3bd9505 100644
--- a/net/nfc/llcp/commands.c
+++ b/net/nfc/llcp/commands.c
@@ -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,
diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c
index ec43914c92a..6c597143782 100644
--- a/net/nfc/llcp/llcp.c
+++ b/net/nfc/llcp/llcp.c
@@ -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) {
diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c
index fea22eb41b8..ba190070095 100644
--- a/net/nfc/llcp/sock.c
+++ b/net/nfc/llcp/sock.c
@@ -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;