forked from luck/tmp_suning_uos_patched
38 lines
775 B
C
38 lines
775 B
C
|
/*
|
||
|
* Shared Memory Communications over RDMA (SMC-R) and RoCE
|
||
|
*
|
||
|
* Definitions for the SMC module (socket related)
|
||
|
*
|
||
|
* Copyright IBM Corp. 2016
|
||
|
*
|
||
|
* Author(s): Ursula Braun <ubraun@linux.vnet.ibm.com>
|
||
|
*/
|
||
|
#ifndef __SMC_H
|
||
|
#define __SMC_H
|
||
|
|
||
|
#include <linux/socket.h>
|
||
|
#include <linux/types.h>
|
||
|
#include <net/sock.h>
|
||
|
|
||
|
#define SMCPROTO_SMC 0 /* SMC protocol */
|
||
|
|
||
|
enum smc_state { /* possible states of an SMC socket */
|
||
|
SMC_ACTIVE = 1,
|
||
|
SMC_INIT = 2,
|
||
|
SMC_CLOSED = 7,
|
||
|
SMC_LISTEN = 10,
|
||
|
};
|
||
|
|
||
|
struct smc_sock { /* smc sock container */
|
||
|
struct sock sk;
|
||
|
struct socket *clcsock; /* internal tcp socket */
|
||
|
bool use_fallback; /* fallback to tcp */
|
||
|
};
|
||
|
|
||
|
static inline struct smc_sock *smc_sk(const struct sock *sk)
|
||
|
{
|
||
|
return (struct smc_sock *)sk;
|
||
|
}
|
||
|
|
||
|
#endif /* __SMC_H */
|