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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Shared Memory Communications over RDMA (SMC-R) and RoCE
*
* Definitions for LLC (link layer control) message handling
*
* Copyright IBM Corp. 2016
*
* Author(s): Klaus Wacker <Klaus.Wacker@de.ibm.com>
* Ursula Braun <ubraun@linux.vnet.ibm.com>
*/
#ifndef SMC_LLC_H
#define SMC_LLC_H
#include "smc_wr.h"
#define SMC_LLC_FLAG_RESP 0x80
#define SMC_LLC_WAIT_FIRST_TIME (5 * HZ)
enum smc_llc_reqresp {
SMC_LLC_REQ,
SMC_LLC_RESP
};
enum smc_llc_msg_type {
SMC_LLC_CONFIRM_LINK = 0x01,
SMC_LLC_TEST_LINK = 0x07,
};
/* transmit */
int smc_llc_send_confirm_link(struct smc_link *lnk, u8 mac[], union ib_gid *gid,
enum smc_llc_reqresp reqresp);
int smc_llc_send_test_link(struct smc_link *lnk, u8 user_data[16],
enum smc_llc_reqresp reqresp);
int smc_llc_init(void) __init;
#endif /* SMC_LLC_H */
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