95 lines
2.4 KiB
C
95 lines
2.4 KiB
C
/*
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* Copyright (C) 2015 Mellanox Technologies Ltd.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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FILE_LICENCE ( GPL2_OR_LATER );
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#include "mlx_mtu.h"
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#include "../../include/public/mlx_memory.h"
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#include "../../include/public/mlx_bail.h"
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mlx_status
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mlx_get_max_mtu(
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IN mlx_utils *utils,
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IN mlx_uint8 port_num,
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OUT mlx_uint32 *max_mtu
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)
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{
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mlx_status status = MLX_SUCCESS;
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struct mlx_mtu mtu;
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mlx_uint32 reg_status;
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*max_mtu = 0;
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if (utils == NULL) {
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status = MLX_INVALID_PARAMETER;
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goto bad_param;
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}
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mlx_memory_set(utils, &mtu, 0, sizeof(mtu));
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mtu.local_port = port_num;
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status = mlx_reg_access(utils, REG_ID_PMTU, REG_ACCESS_READ, &mtu,
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sizeof(mtu), ®_status);
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MLX_CHECK_STATUS(utils, status, reg_err, "mlx_reg_access failed ");
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if (reg_status != 0) {
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MLX_DEBUG_ERROR(utils,"mlx_reg_access failed with status = %d\n", reg_status);
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status = MLX_FAILED;
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goto reg_err;
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}
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// Return data in bits
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*max_mtu = mtu.max_mtu * BYTE_TO_BIT;
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reg_err:
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bad_param:
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return status;
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}
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mlx_status
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mlx_set_admin_mtu(
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IN mlx_utils *utils,
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IN mlx_uint8 port_num,
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IN mlx_uint32 admin_mtu
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)
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{
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mlx_status status = MLX_SUCCESS;
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struct mlx_mtu mtu;
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mlx_uint32 reg_status;
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if (utils == NULL) {
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status = MLX_INVALID_PARAMETER;
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goto bad_param;
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}
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mlx_memory_set(utils, &mtu, 0, sizeof(mtu));
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mtu.local_port = port_num;
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mtu.admin_mtu = admin_mtu;
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status = mlx_reg_access(utils, REG_ID_PMTU, REG_ACCESS_WRITE, &mtu,
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sizeof(mtu), ®_status);
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MLX_CHECK_STATUS(utils, status, reg_err, "mlx_reg_access failed ");
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if (reg_status != 0) {
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MLX_DEBUG_ERROR(utils,"mlx_reg_access failed with status = %d\n", reg_status);
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status = MLX_FAILED;
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goto reg_err;
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}
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reg_err:
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bad_param:
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return status;
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}
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