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/*
* Copyright (c) 2014 Intel Corporation. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
#ifndef __OPA_SMI_H_
#define __OPA_SMI_H_
#include <rdma/ib_smi.h>
#include <rdma/opa_smi.h>
#include "smi.h"
enum smi_action opa_smi_handle_dr_smp_recv(struct opa_smp *smp, bool is_switch,
u32 port_num, int phys_port_cnt);
int opa_smi_get_fwd_port(struct opa_smp *smp);
extern enum smi_forward_action opa_smi_check_forward_dr_smp(struct opa_smp *smp);
extern enum smi_action opa_smi_handle_dr_smp_send(struct opa_smp *smp,
bool is_switch, u32 port_num);
/*
* Return IB_SMI_HANDLE if the SMP should be handled by the local SMA/SM
* via process_mad
*/
static inline enum smi_action opa_smi_check_local_smp(struct opa_smp *smp,
struct ib_device *device)
{
/* C14-9:3 -- We're at the end of the DR segment of path */
/* C14-9:4 -- Hop Pointer = Hop Count + 1 -> give to SMA/SM */
return (device->ops.process_mad &&
!opa_get_smp_direction(smp) &&
(smp->hop_ptr == smp->hop_cnt + 1)) ?
IB_SMI_HANDLE : IB_SMI_DISCARD;
}
/*
* Return IB_SMI_HANDLE if the SMP should be handled by the local SMA/SM
* via process_mad
*/
static inline enum smi_action opa_smi_check_local_returning_smp(struct opa_smp *smp,
struct ib_device *device)
{
/* C14-13:3 -- We're at the end of the DR segment of path */
/* C14-13:4 -- Hop Pointer == 0 -> give to SM */
return (device->ops.process_mad &&
opa_get_smp_direction(smp) &&
!smp->hop_ptr) ? IB_SMI_HANDLE : IB_SMI_DISCARD;
}
#endif /* __OPA_SMI_H_ */
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