1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Shared Memory Communications over RDMA (SMC-R) and RoCE
 4 *
 5 * Manage send buffer
 6 *
 7 * Copyright IBM Corp. 2016
 8 *
 9 * Author(s):  Ursula Braun <ubraun@linux.vnet.ibm.com>
10 */
11
12#ifndef SMC_TX_H
13#define SMC_TX_H
14
15#include <linux/socket.h>
16#include <linux/types.h>
17
18#include "smc.h"
19#include "smc_cdc.h"
20
21static inline int smc_tx_prepared_sends(struct smc_connection *conn)
22{
23	union smc_host_cursor sent, prep;
24
25	smc_curs_copy(&sent, &conn->tx_curs_sent, conn);
26	smc_curs_copy(&prep, &conn->tx_curs_prep, conn);
27	return smc_curs_diff(conn->sndbuf_desc->len, &sent, &prep);
28}
29
30void smc_tx_work(struct work_struct *work);
31void smc_tx_init(struct smc_sock *smc);
32int smc_tx_sendmsg(struct smc_sock *smc, struct msghdr *msg, size_t len);
33int smc_tx_sndbuf_nonempty(struct smc_connection *conn);
34void smc_tx_sndbuf_nonfull(struct smc_sock *smc);
35void smc_tx_consumer_update(struct smc_connection *conn, bool force);
36int smcd_tx_ism_write(struct smc_connection *conn, void *data, size_t len,
37		      u32 offset, int signal);
38
39#endif /* SMC_TX_H */

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