linux/drivers/infiniband/hw/erdma/erdma_cm.h

/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */

/* Authors: Cheng Xu <[email protected]> */
/*          Kai Shen <[email protected]> */
/* Copyright (c) 2020-2022, Alibaba Group. */

/* Authors: Bernard Metzler <[email protected]> */
/*          Greg Joyce <[email protected]> */
/* Copyright (c) 2008-2019, IBM Corporation */
/* Copyright (c) 2017, Open Grid Computing, Inc. */

#ifndef __ERDMA_CM_H__
#define __ERDMA_CM_H__

#include <linux/tcp.h>
#include <net/sock.h>
#include <rdma/iw_cm.h>

/* iWarp MPA protocol defs */
#define MPA_REVISION_EXT_1 …
#define MPA_MAX_PRIVDATA …
#define MPA_KEY_REQ …
#define MPA_KEY_REP …
#define MPA_KEY_SIZE …
#define MPA_DEFAULT_HDR_LEN …

struct mpa_rr_params { … };

/*
 * MPA request/response Hdr bits & fields
 */
enum { … };

/*
 * MPA request/reply header
 */
struct mpa_rr { … };

struct erdma_mpa_ext { … };

enum { … };

struct erdma_mpa_info { … };

struct erdma_sk_upcalls { … };

struct erdma_dev;

enum erdma_cep_state { … };

struct erdma_cep { … };

#define MPAREQ_TIMEOUT …
#define MPAREP_TIMEOUT …
#define CONNECT_TIMEOUT …

enum erdma_work_type { … };

struct erdma_cm_work { … };

#define to_sockaddr_in(a) …

static inline int getname_peer(struct socket *s, struct sockaddr_storage *a)
{ … }

static inline int getname_local(struct socket *s, struct sockaddr_storage *a)
{ … }

int erdma_connect(struct iw_cm_id *id, struct iw_cm_conn_param *param);
int erdma_accept(struct iw_cm_id *id, struct iw_cm_conn_param *param);
int erdma_reject(struct iw_cm_id *id, const void *pdata, u8 plen);
int erdma_create_listen(struct iw_cm_id *id, int backlog);
int erdma_destroy_listen(struct iw_cm_id *id);

void erdma_cep_get(struct erdma_cep *ceq);
void erdma_cep_put(struct erdma_cep *ceq);
int erdma_cm_queue_work(struct erdma_cep *ceq, enum erdma_work_type type);

int erdma_cm_init(void);
void erdma_cm_exit(void);

#define sk_to_cep(sk) …

#endif