f6b842edd3
BCMSAI 4.3.0.10, 6.5.21 SDK release with enhancements and fixes for vxlan, TD3 MMU, TD4-X9 EA support, etc.
80 lines
2.0 KiB
C
80 lines
2.0 KiB
C
/*! \file ngbde_swdev.c
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*
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* <description>
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*
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*/
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/*
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* $Copyright: Copyright 2018-2020 Broadcom. All rights reserved.
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* The term 'Broadcom' refers to Broadcom Inc. and/or its subsidiaries.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* A copy of the GNU General Public License version 2 (GPLv2) can
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* be found in the LICENSES folder.$
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*/
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#include <ngbde.h>
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/* Switch devices */
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static struct ngbde_dev_s swdevs[NGBDE_NUM_SWDEV_MAX];
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/* Number of probed switch devices */
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static unsigned int num_swdev;
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int
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ngbde_swdev_add(struct ngbde_dev_s *nd)
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{
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unsigned int idx;
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/* Look for existing slot */
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for (idx = 0; idx < num_swdev; idx++) {
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if (swdevs[idx].bus_no == nd->bus_no &&
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swdevs[idx].slot_no == nd->slot_no) {
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if (swdevs[idx].inactive) {
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memcpy(&swdevs[idx], nd, sizeof(swdevs[0]));
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return 0;
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}
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/* Active device in this slot already? */
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printk(KERN_WARNING "%s: Device exists\n",
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MOD_NAME);
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return -EBUSY;
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}
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}
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/* Add new device */
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if (num_swdev >= NGBDE_NUM_SWDEV_MAX) {
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return -ENOMEM;
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}
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memcpy(&swdevs[num_swdev], nd, sizeof(swdevs[0]));
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++num_swdev;
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return 0;
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}
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struct ngbde_dev_s *
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ngbde_swdev_get(int kdev)
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{
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if ((unsigned int)kdev < num_swdev) {
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return &swdevs[kdev];
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}
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return NULL;
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}
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int
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ngbde_swdev_get_all(struct ngbde_dev_s **nd, unsigned int *num_nd)
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{
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if (nd) {
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*nd = swdevs;
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}
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if (num_nd) {
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*num_nd = num_swdev;
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}
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return 0;
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}
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