diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c')
-rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c new file mode 100644 index 000000000000..402fa32f7a88 --- /dev/null +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c @@ -0,0 +1,65 @@ +/* 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); +} |