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TOMOYO Linux Cross Reference
Linux/net/smc/smc_tx.h

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  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 
 21 static 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 
 30 void smc_tx_work(struct work_struct *work);
 31 void smc_tx_init(struct smc_sock *smc);
 32 int smc_tx_sendmsg(struct smc_sock *smc, struct msghdr *msg, size_t len);
 33 int smc_tx_sndbuf_nonempty(struct smc_connection *conn);
 34 void smc_tx_sndbuf_nonfull(struct smc_sock *smc);
 35 void smc_tx_consumer_update(struct smc_connection *conn, bool force);
 36 int smcd_tx_ism_write(struct smc_connection *conn, void *data, size_t len,
 37                       u32 offset, int signal);
 38 
 39 #endif /* SMC_TX_H */
 40 

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