1/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
  2/* QLogic qed NIC Driver
  3 * Copyright (c) 2015-2017  QLogic Corporation
  4 * Copyright (c) 2019-2020 Marvell International Ltd.
  5 */
  6
  7#ifndef _QED_DCBX_H
  8#define _QED_DCBX_H
  9#include <linux/types.h>
 10#include <linux/slab.h>
 11#include "qed.h"
 12#include "qed_hsi.h"
 13#include "qed_hw.h"
 14#include "qed_mcp.h"
 15#include "qed_reg_addr.h"
 16
 17#define DCBX_CONFIG_MAX_APP_PROTOCOL    4
 18
 19enum qed_mib_read_type {
 20	QED_DCBX_OPERATIONAL_MIB,
 21	QED_DCBX_REMOTE_MIB,
 22	QED_DCBX_LOCAL_MIB,
 23	QED_DCBX_REMOTE_LLDP_MIB,
 24	QED_DCBX_LOCAL_LLDP_MIB
 25};
 26
 27struct qed_dcbx_app_data {
 28	bool enable;		/* DCB enabled */
 29	u8 update;		/* Update indication */
 30	u8 priority;		/* Priority */
 31	u8 tc;			/* Traffic Class */
 32	bool dont_add_vlan0;	/* Do not insert a vlan tag with id 0 */
 33};
 34
 35#define QED_DCBX_VERSION_DISABLED       0
 36#define QED_DCBX_VERSION_IEEE           1
 37#define QED_DCBX_VERSION_CEE            2
 38
 39struct qed_dcbx_set {
 40#define QED_DCBX_OVERRIDE_STATE	        BIT(0)
 41#define QED_DCBX_OVERRIDE_PFC_CFG       BIT(1)
 42#define QED_DCBX_OVERRIDE_ETS_CFG       BIT(2)
 43#define QED_DCBX_OVERRIDE_APP_CFG       BIT(3)
 44#define QED_DCBX_OVERRIDE_DSCP_CFG      BIT(4)
 45	u32 override_flags;
 46	bool enabled;
 47	struct qed_dcbx_admin_params config;
 48	u32 ver_num;
 49};
 50
 51struct qed_dcbx_results {
 52	bool dcbx_enabled;
 53	u8 pf_id;
 54	struct qed_dcbx_app_data arr[DCBX_MAX_PROTOCOL_TYPE];
 55};
 56
 57struct qed_dcbx_app_metadata {
 58	enum dcbx_protocol_type id;
 59	char *name;
 60	enum qed_pci_personality personality;
 61};
 62
 63struct qed_dcbx_info {
 64	struct lldp_status_params_s lldp_remote[LLDP_MAX_LLDP_AGENTS];
 65	struct lldp_config_params_s lldp_local[LLDP_MAX_LLDP_AGENTS];
 66	struct dcbx_local_params local_admin;
 67	struct qed_dcbx_results results;
 68	struct dcbx_mib operational;
 69	struct dcbx_mib remote;
 70	struct qed_dcbx_set set;
 71	struct qed_dcbx_get get;
 72	u8 dcbx_cap;
 73};
 74
 75struct qed_dcbx_mib_meta_data {
 76	struct lldp_config_params_s *lldp_local;
 77	struct lldp_status_params_s *lldp_remote;
 78	struct dcbx_local_params *local_admin;
 79	struct dcbx_mib *mib;
 80	size_t size;
 81	u32 addr;
 82};
 83
 84extern const struct qed_eth_dcbnl_ops qed_dcbnl_ops_pass;
 85
 86#ifdef CONFIG_DCB
 87int qed_dcbx_get_config_params(struct qed_hwfn *, struct qed_dcbx_set *);
 88
 89int qed_dcbx_config_params(struct qed_hwfn *,
 90			   struct qed_ptt *, struct qed_dcbx_set *, bool);
 91#endif
 92
 93/* QED local interface routines */
 94int
 95qed_dcbx_mib_update_event(struct qed_hwfn *,
 96			  struct qed_ptt *, enum qed_mib_read_type);
 97
 98int qed_dcbx_info_alloc(struct qed_hwfn *p_hwfn);
 99void qed_dcbx_info_free(struct qed_hwfn *p_hwfn);
100void qed_dcbx_set_pf_update_params(struct qed_dcbx_results *p_src,
101				   struct pf_update_ramrod_data *p_dest);
102
103#define QED_DCBX_DEFAULT_TC	0
104
105u8 qed_dcbx_get_priority_tc(struct qed_hwfn *p_hwfn, u8 pri);
106#endif