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-rw-r--r--include/linux/tcp.h3
-rw-r--r--include/net/tcp.h2
2 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 5adbc33d1..d21cee875 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -389,4 +389,7 @@ static inline int fastopen_init_queue(struct sock *sk, int backlog)
return 0;
}
+int tcp_skb_shift(struct sk_buff *to, struct sk_buff *from, int pcount,
+ int shiftlen);
+
#endif /* _LINUX_TCP_H */
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 60a984d70..283217a5c 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -54,6 +54,8 @@ extern void tcp_time_wait(struct sock *sk, int state, int timeo);
#define MAX_TCP_HEADER (128 + MAX_HEADER)
#define MAX_TCP_OPTION_SPACE 40
+#define TCP_MIN_SND_MSS 48
+#define TCP_MIN_GSO_SIZE (TCP_MIN_SND_MSS - MAX_TCP_OPTION_SPACE)
/*
* Never offer a window over 32767 without using window scaling. Some