mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-27 06:04:23 +08:00
2f8bc2bbb0
Drop the smc_sendpage() code as smc_sendmsg() just passes the call down to the underlying TCP socket and smc_tx_sendpage() is just a wrapper around its sendmsg implementation. Signed-off-by: David Howells <dhowells@redhat.com> cc: Karsten Graul <kgraul@linux.ibm.com> cc: Wenjia Zhang <wenjia@linux.ibm.com> cc: Jan Karcher <jaka@linux.ibm.com> cc: "D. Wythe" <alibuda@linux.alibaba.com> cc: Tony Lu <tonylu@linux.alibaba.com> cc: Wen Gu <guwen@linux.alibaba.com> cc: Jens Axboe <axboe@kernel.dk> cc: Matthew Wilcox <willy@infradead.org> Link: https://lore.kernel.org/r/20230623225513.2732256-10-dhowells@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
41 lines
1.1 KiB
C
41 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_copy(&sent, &conn->tx_curs_sent, conn);
|
|
smc_curs_copy(&prep, &conn->tx_curs_prep, conn);
|
|
return smc_curs_diff(conn->sndbuf_desc->len, &sent, &prep);
|
|
}
|
|
|
|
void smc_tx_pending(struct smc_connection *conn);
|
|
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 */
|