From: "D. Wythe" <alibuda@xxxxxxxxxxxxxxxxx>
For inet version of SMC, one of the key goals is to make
a fallbacked smc sock can be recognazied as a tcp sock by
net tools.
So, it is necessary to embedded the tcp sock into smc sock
and make the tcp sock as the first member of smc sock.
Signed-off-by: D. Wythe <alibuda@xxxxxxxxxxxxxxxxx>
---
net/smc/smc.h | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/net/smc/smc.h b/net/smc/smc.h
index fce6a7a..932d61f 100644
--- a/net/smc/smc.h
+++ b/net/smc/smc.h
@@ -248,7 +248,11 @@ struct smc_connection {
};
struct smc_sock { /* smc sock container */
- struct sock sk;
+ union {
+ struct tcp6_sock tp6sk;
+ struct tcp_sock tpsk;
+ struct sock sk;
+ };
struct socket *clcsock; /* internal tcp socket */
void (*clcsk_state_change)(struct sock *sk);
/* original stat_change fct. */
@@ -388,6 +392,11 @@ static inline void smc_sock_set_flag(struct sock *sk, enum sock_flags flag)
set_bit(flag, &sk->sk_flags);
}
+static __always_inline bool smc_sock_is_inet_sock(const struct sock *sk)
+{
+ return inet_test_bit(IS_ICSK, sk);
+}
+
#define smc_sock_flag(sk, flag) sock_flag(sk, flag)
#endif /* __SMC_H */
--
1.8.3.1
