1/* SPDX-License-Identifier: GPL-2.0 */
 2/* Copyright (c) 2019, Intel Corporation. */
 3
 4#ifndef _ICE_DCB_LIB_H_
 5#define _ICE_DCB_LIB_H_
 6
 7#include "ice.h"
 8#include "ice_lib.h"
 9
10#ifdef CONFIG_DCB
11#define ICE_TC_MAX_BW 100 /* Default Max BW percentage */
12
13void ice_dcb_rebuild(struct ice_pf *pf);
14u8 ice_dcb_get_ena_tc(struct ice_dcbx_cfg *dcbcfg);
15u8 ice_dcb_get_num_tc(struct ice_dcbx_cfg *dcbcfg);
16void ice_vsi_cfg_dcb_rings(struct ice_vsi *vsi);
17int ice_init_pf_dcb(struct ice_pf *pf, bool locked);
18void ice_update_dcb_stats(struct ice_pf *pf);
19int
20ice_tx_prepare_vlan_flags_dcb(struct ice_ring *tx_ring,
21			      struct ice_tx_buf *first);
22void
23ice_dcb_process_lldp_set_mib_change(struct ice_pf *pf,
24				    struct ice_rq_event_info *event);
25void ice_vsi_cfg_netdev_tc(struct ice_vsi *vsi, u8 ena_tc);
26static inline void
27ice_set_cgd_num(struct ice_tlan_ctx *tlan_ctx, struct ice_ring *ring)
28{
29	tlan_ctx->cgd_num = ring->dcb_tc;
30}
31#else
32#define ice_dcb_rebuild(pf) do {} while (0)
33
34static inline u8 ice_dcb_get_ena_tc(struct ice_dcbx_cfg __always_unused *dcbcfg)
35{
36	return ICE_DFLT_TRAFFIC_CLASS;
37}
38
39static inline u8 ice_dcb_get_num_tc(struct ice_dcbx_cfg __always_unused *dcbcfg)
40{
41	return 1;
42}
43
44static inline int
45ice_init_pf_dcb(struct ice_pf *pf, bool __always_unused locked)
46{
47	dev_dbg(&pf->pdev->dev, "DCB not supported\n");
48	return -EOPNOTSUPP;
49}
50
51static inline int
52ice_tx_prepare_vlan_flags_dcb(struct ice_ring __always_unused *tx_ring,
53			      struct ice_tx_buf __always_unused *first)
54{
55	return 0;
56}
57
58#define ice_update_dcb_stats(pf) do {} while (0)
59#define ice_vsi_cfg_dcb_rings(vsi) do {} while (0)
60#define ice_dcb_process_lldp_set_mib_change(pf, event) do {} while (0)
61#define ice_set_cgd_num(tlan_ctx, ring) do {} while (0)
62#define ice_vsi_cfg_netdev_tc(vsi, ena_tc) do {} while (0)
63#endif /* CONFIG_DCB */
64#endif /* _ICE_DCB_LIB_H_ */