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/* Broadcom NetXtreme-C/E network driver.
*
* Copyright (c) 2017 Broadcom Limited
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation.
*/
#include <linux/pci.h>
#include <linux/netdevice.h>
#include "bnxt_hsi.h"
#include "bnxt.h"
#include "bnxt_vfr.h"
#include "bnxt_devlink.h"
static const struct devlink_ops bnxt_dl_ops = {
#ifdef CONFIG_BNXT_SRIOV
.eswitch_mode_set = bnxt_dl_eswitch_mode_set,
.eswitch_mode_get = bnxt_dl_eswitch_mode_get,
#endif /* CONFIG_BNXT_SRIOV */
};
int bnxt_dl_register(struct bnxt *bp)
{
struct devlink *dl;
int rc;
if (!pci_find_ext_capability(bp->pdev, PCI_EXT_CAP_ID_SRIOV))
return 0;
if (bp->hwrm_spec_code < 0x10803) {
netdev_warn(bp->dev, "Firmware does not support SR-IOV E-Switch SWITCHDEV mode.\n");
return -ENOTSUPP;
}
dl = devlink_alloc(&bnxt_dl_ops, sizeof(struct bnxt_dl));
if (!dl) {
netdev_warn(bp->dev, "devlink_alloc failed");
return -ENOMEM;
}
bnxt_link_bp_to_dl(bp, dl);
bp->eswitch_mode = DEVLINK_ESWITCH_MODE_LEGACY;
rc = devlink_register(dl, &bp->pdev->dev);
if (rc) {
bnxt_link_bp_to_dl(bp, NULL);
devlink_free(dl);
netdev_warn(bp->dev, "devlink_register failed. rc=%d", rc);
return rc;
}
return 0;
}
void bnxt_dl_unregister(struct bnxt *bp)
{
struct devlink *dl = bp->dl;
if (!dl)
return;
devlink_unregister(dl);
devlink_free(dl);
}
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