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Commit 7344e29f authored by Song Liu's avatar Song Liu Committed by David S. Miller
Browse files

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: default avatarSong Liu <songliubraving@fb.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f6e37b25

include/trace/events/tcp.h

+4 −4
Original line number Diff line number Diff line
@@ -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)

);