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

   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
  19 enum 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
  27 struct 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
  39 struct 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
  51 struct qed_dcbx_results {
  52         bool dcbx_enabled;
  53         u8 pf_id;
  54         struct qed_dcbx_app_data arr[DCBX_MAX_PROTOCOL_TYPE];
  55 };
  56
  57 struct qed_dcbx_app_metadata {
  58         enum dcbx_protocol_type id;
  59         char *name;
  60         enum qed_pci_personality personality;
  61 };
  62
  63 struct 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
  75 struct 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
  84 extern const struct qed_eth_dcbnl_ops qed_dcbnl_ops_pass;
  85
  86 #ifdef CONFIG_DCB
  87 int qed_dcbx_get_config_params(struct qed_hwfn *, struct qed_dcbx_set *);
  88
  89 int qed_dcbx_config_params(struct qed_hwfn *,
  90                            struct qed_ptt *, struct qed_dcbx_set *, bool);
  91 #endif
  92
  93 /* QED local interface routines */
  94 int
  95 qed_dcbx_mib_update_event(struct qed_hwfn *,
  96                           struct qed_ptt *, enum qed_mib_read_type);
  97
  98 int qed_dcbx_info_alloc(struct qed_hwfn *p_hwfn);
  99 void qed_dcbx_info_free(struct qed_hwfn *p_hwfn);
 100 void 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
 105 u8 qed_dcbx_get_priority_tc(struct qed_hwfn *p_hwfn, u8 pri);
 106 #endif