diff options
-rw-r--r-- | include/net/sock.h | 6 | ||||
-rw-r--r-- | net/socket.c | 20 |
2 files changed, 17 insertions, 9 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index 52fe0bc..38805fa 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -2199,9 +2199,11 @@ static inline void sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk, /** * sock_tx_timestamp - checks whether the outgoing packet is to be time stamped * @sk: socket sending this packet - * @tx_flags: filled with instructions for time stamping + * @tx_flags: completed with instructions for time stamping + * + * Note : callers should take care of initial *tx_flags value (usually 0) */ -void sock_tx_timestamp(struct sock *sk, __u8 *tx_flags); +void sock_tx_timestamp(const struct sock *sk, __u8 *tx_flags); /** * sk_eat_skb - Release a skb if it is no longer needed diff --git a/net/socket.c b/net/socket.c index ae89569..95ee7d8 100644 --- a/net/socket.c +++ b/net/socket.c @@ -610,20 +610,26 @@ void sock_release(struct socket *sock) } EXPORT_SYMBOL(sock_release); -void sock_tx_timestamp(struct sock *sk, __u8 *tx_flags) +void sock_tx_timestamp(const struct sock *sk, __u8 *tx_flags) { - *tx_flags = 0; + u8 flags = *tx_flags; + if (sk->sk_tsflags & SOF_TIMESTAMPING_TX_HARDWARE) - *tx_flags |= SKBTX_HW_TSTAMP; + flags |= SKBTX_HW_TSTAMP; + if (sk->sk_tsflags & SOF_TIMESTAMPING_TX_SOFTWARE) - *tx_flags |= SKBTX_SW_TSTAMP; + flags |= SKBTX_SW_TSTAMP; + if (sk->sk_tsflags & SOF_TIMESTAMPING_TX_SCHED) - *tx_flags |= SKBTX_SCHED_TSTAMP; + flags |= SKBTX_SCHED_TSTAMP; + if (sk->sk_tsflags & SOF_TIMESTAMPING_TX_ACK) - *tx_flags |= SKBTX_ACK_TSTAMP; + flags |= SKBTX_ACK_TSTAMP; if (sock_flag(sk, SOCK_WIFI_STATUS)) - *tx_flags |= SKBTX_WIFI_STATUS; + flags |= SKBTX_WIFI_STATUS; + + *tx_flags = flags; } EXPORT_SYMBOL(sock_tx_timestamp); |