diff options
| author | Ursula Braun <ubraun@linux.vnet.ibm.com> | 2017-01-09 16:55:16 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-01-09 16:07:39 -0500 |
| commit | a046d57da19f812216f393e7c535f5858f793ac3 (patch) | |
| tree | 9b3c535ff6cd3da3cf06b3164cd727839df25f38 /net/smc/smc.h | |
| parent | 6812baabf24d5c299c13223366a23c269408f4d0 (diff) | |
| download | linux-a046d57da19f812216f393e7c535f5858f793ac3.tar.bz2 | |
smc: CLC handshake (incl. preparation steps)
* CLC (Connection Layer Control) handshake
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/smc/smc.h')
| -rw-r--r-- | net/smc/smc.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/net/smc/smc.h b/net/smc/smc.h index e87d79867099..5946aaecdebf 100644 --- a/net/smc/smc.h +++ b/net/smc/smc.h @@ -28,6 +28,12 @@ enum smc_state { /* possible states of an SMC socket */ struct smc_sock { /* smc sock container */ struct sock sk; struct socket *clcsock; /* internal tcp socket */ + struct sockaddr *addr; /* inet connect address */ + struct smc_sock *listen_smc; /* listen parent */ + struct work_struct tcp_listen_work;/* handle tcp socket accepts */ + struct work_struct smc_listen_work;/* prepare new accept socket */ + struct list_head accept_q; /* sockets to be accepted */ + spinlock_t accept_q_lock; /* protects accept_q */ bool use_fallback; /* fallback to tcp */ }; @@ -40,4 +46,20 @@ static inline struct smc_sock *smc_sk(const struct sock *sk) extern u8 local_systemid[SMC_SYSTEMID_LEN]; /* unique system identifier */ +#ifdef CONFIG_XFRM +static inline bool using_ipsec(struct smc_sock *smc) +{ + return (smc->clcsock->sk->sk_policy[0] || + smc->clcsock->sk->sk_policy[1]) ? 1 : 0; +} +#else +static inline bool using_ipsec(struct smc_sock *smc) +{ + return 0; +} +#endif + +int smc_netinfo_by_tcpsk(struct socket *clcsock, __be32 *subnet, + u8 *prefix_len); + #endif /* __SMC_H */ |