smc_tx.h 1.1 KB

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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. #ifndef SMC_TX_H
  12. #define SMC_TX_H
  13. #include <linux/socket.h>
  14. #include <linux/types.h>
  15. #include "smc.h"
  16. #include "smc_cdc.h"
  17. static inline int smc_tx_prepared_sends(struct smc_connection *conn)
  18. {
  19. union smc_host_cursor sent, prep;
  20. smc_curs_copy(&sent, &conn->tx_curs_sent, conn);
  21. smc_curs_copy(&prep, &conn->tx_curs_prep, conn);
  22. return smc_curs_diff(conn->sndbuf_desc->len, &sent, &prep);
  23. }
  24. void smc_tx_work(struct work_struct *work);
  25. void smc_tx_init(struct smc_sock *smc);
  26. int smc_tx_sendmsg(struct smc_sock *smc, struct msghdr *msg, size_t len);
  27. int smc_tx_sndbuf_nonempty(struct smc_connection *conn);
  28. void smc_tx_sndbuf_nonfull(struct smc_sock *smc);
  29. void smc_tx_consumer_update(struct smc_connection *conn, bool force);
  30. int smcd_tx_ism_write(struct smc_connection *conn, void *data, size_t len,
  31. u32 offset, int signal);
  32. #endif /* SMC_TX_H */