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