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| author | Willem de Bruijn <willemb@google.com> | 2014-09-08 19:58:58 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-09-09 17:34:41 -0700 |
| commit | 67cc0d4077951295f42bed63805e91b46c24477b (patch) | |
| tree | 7a0170e8cd1d6bbef0e09869c5a7eda347d92424 /net/socket.c | |
| parent | 17448e5f63c8f36d00532327ae65e253d1395b08 (diff) | |
| download | lwn-67cc0d4077951295f42bed63805e91b46c24477b.tar.gz lwn-67cc0d4077951295f42bed63805e91b46c24477b.zip | |
net-timestamp: optimize sock_tx_timestamp default path
Few packets have timestamping enabled. Exit sock_tx_timestamp quickly
in this common case.
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/socket.c')
| -rw-r--r-- | net/socket.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/net/socket.c b/net/socket.c index 2e2586e2dee1..d40f522541aa 100644 --- a/net/socket.c +++ b/net/socket.c @@ -610,7 +610,7 @@ void sock_release(struct socket *sock) } EXPORT_SYMBOL(sock_release); -void sock_tx_timestamp(const struct sock *sk, __u8 *tx_flags) +void __sock_tx_timestamp(const struct sock *sk, __u8 *tx_flags) { u8 flags = *tx_flags; @@ -626,12 +626,9 @@ void sock_tx_timestamp(const struct sock *sk, __u8 *tx_flags) if (sk->sk_tsflags & SOF_TIMESTAMPING_TX_ACK) flags |= SKBTX_ACK_TSTAMP; - if (sock_flag(sk, SOCK_WIFI_STATUS)) - flags |= SKBTX_WIFI_STATUS; - *tx_flags = flags; } -EXPORT_SYMBOL(sock_tx_timestamp); +EXPORT_SYMBOL(__sock_tx_timestamp); static inline int __sock_sendmsg_nosec(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, size_t size) |