linux/drivers/net/ethernet/qlogic/qed/qed_dcbx.h
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   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
 107