40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Shared Memory Communications over RDMA (SMC-R) and RoCE
|
|
*
|
|
* Manage send buffer
|
|
*
|
|
* Copyright IBM Corp. 2016
|
|
*
|
|
* Author(s): Ursula Braun <ubraun@linux.vnet.ibm.com>
|
|
*/
|
|
|
|
#ifndef SMC_TX_H
|
|
#define SMC_TX_H
|
|
|
|
#include <linux/socket.h>
|
|
#include <linux/types.h>
|
|
|
|
#include "smc.h"
|
|
#include "smc_cdc.h"
|
|
|
|
static inline int smc_tx_prepared_sends(struct smc_connection *conn)
|
|
{
|
|
union smc_host_cursor sent, prep;
|
|
|
|
smc_curs_write(&sent, smc_curs_read(&conn->tx_curs_sent, conn), conn);
|
|
smc_curs_write(&prep, smc_curs_read(&conn->tx_curs_prep, conn), conn);
|
|
return smc_curs_diff(conn->sndbuf_desc->len, &sent, &prep);
|
|
}
|
|
|
|
void smc_tx_work(struct work_struct *work);
|
|
void smc_tx_init(struct smc_sock *smc);
|
|
int smc_tx_sendmsg(struct smc_sock *smc, struct msghdr *msg, size_t len);
|
|
int smc_tx_sndbuf_nonempty(struct smc_connection *conn);
|
|
void smc_tx_sndbuf_nonfull(struct smc_sock *smc);
|
|
void smc_tx_consumer_update(struct smc_connection *conn, bool force);
|
|
int smcd_tx_ism_write(struct smc_connection *conn, void *data, size_t len,
|
|
u32 offset, int signal);
|
|
|
|
#endif /* SMC_TX_H */
|