提交 7344e29f 编写于 作者: S Song Liu 提交者: David S. Miller

tcp: mark trace event arguments sk and skb as const

Some functions that we plan to add trace points require const sk
and/or skb. So we mark these fields as const in the tracepoint.
Signed-off-by: NSong Liu <songliubraving@fb.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 f6e37b25
......@@ -17,13 +17,13 @@
*/
DECLARE_EVENT_CLASS(tcp_event_sk_skb,
TP_PROTO(struct sock *sk, struct sk_buff *skb),
TP_PROTO(const struct sock *sk, const struct sk_buff *skb),
TP_ARGS(sk, skb),
TP_STRUCT__entry(
__field(void *, skbaddr)
__field(void *, skaddr)
__field(const void *, skbaddr)
__field(const void *, skaddr)
__field(__u16, sport)
__field(__u16, dport)
__array(__u8, saddr, 4)
......@@ -72,7 +72,7 @@ DECLARE_EVENT_CLASS(tcp_event_sk_skb,
DEFINE_EVENT(tcp_event_sk_skb, tcp_retransmit_skb,
TP_PROTO(struct sock *sk, struct sk_buff *skb),
TP_PROTO(const struct sock *sk, const struct sk_buff *skb),
TP_ARGS(sk, skb)
);
......
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