qlogic/qed/qed_dcbx.h

0001 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
0002 /* QLogic qed NIC Driver
0003  * Copyright (c) 2015-2017  QLogic Corporation
0004  * Copyright (c) 2019-2020 Marvell International Ltd.
0005  */
0006
0007 #ifndef _QED_DCBX_H
0008 #define _QED_DCBX_H
0009 #include <linux/types.h>
0010 #include <linux/slab.h>
0011 #include "qed.h"
0012 #include "qed_hsi.h"
0013 #include "qed_hw.h"
0014 #include "qed_mcp.h"
0015 #include "qed_reg_addr.h"
0016
0017 #define DCBX_CONFIG_MAX_APP_PROTOCOL    4
0018
0019 enum qed_mib_read_type {
0020     QED_DCBX_OPERATIONAL_MIB,
0021     QED_DCBX_REMOTE_MIB,
0022     QED_DCBX_LOCAL_MIB,
0023     QED_DCBX_REMOTE_LLDP_MIB,
0024     QED_DCBX_LOCAL_LLDP_MIB
0025 };
0026
0027 struct qed_dcbx_app_data {
0028     bool enable;        /* DCB enabled */
0029     u8 update;      /* Update indication */
0030     u8 priority;        /* Priority */
0031     u8 tc;          /* Traffic Class */
0032     bool dont_add_vlan0;    /* Do not insert a vlan tag with id 0 */
0033 };
0034
0035 #define QED_DCBX_VERSION_DISABLED       0
0036 #define QED_DCBX_VERSION_IEEE           1
0037 #define QED_DCBX_VERSION_CEE            2
0038
0039 struct qed_dcbx_set {
0040 #define QED_DCBX_OVERRIDE_STATE         BIT(0)
0041 #define QED_DCBX_OVERRIDE_PFC_CFG       BIT(1)
0042 #define QED_DCBX_OVERRIDE_ETS_CFG       BIT(2)
0043 #define QED_DCBX_OVERRIDE_APP_CFG       BIT(3)
0044 #define QED_DCBX_OVERRIDE_DSCP_CFG      BIT(4)
0045     u32 override_flags;
0046     bool enabled;
0047     struct qed_dcbx_admin_params config;
0048     u32 ver_num;
0049 };
0050
0051 struct qed_dcbx_results {
0052     bool dcbx_enabled;
0053     u8 pf_id;
0054     struct qed_dcbx_app_data arr[DCBX_MAX_PROTOCOL_TYPE];
0055 };
0056
0057 struct qed_dcbx_app_metadata {
0058     enum dcbx_protocol_type id;
0059     char *name;
0060     enum qed_pci_personality personality;
0061 };
0062
0063 struct qed_dcbx_info {
0064     struct lldp_status_params_s lldp_remote[LLDP_MAX_LLDP_AGENTS];
0065     struct lldp_config_params_s lldp_local[LLDP_MAX_LLDP_AGENTS];
0066     struct dcbx_local_params local_admin;
0067     struct qed_dcbx_results results;
0068     struct dcbx_mib operational;
0069     struct dcbx_mib remote;
0070     struct qed_dcbx_set set;
0071     struct qed_dcbx_get get;
0072     u8 dcbx_cap;
0073 };
0074
0075 struct qed_dcbx_mib_meta_data {
0076     struct lldp_config_params_s *lldp_local;
0077     struct lldp_status_params_s *lldp_remote;
0078     struct dcbx_local_params *local_admin;
0079     struct dcbx_mib *mib;
0080     size_t size;
0081     u32 addr;
0082 };
0083
0084 extern const struct qed_eth_dcbnl_ops qed_dcbnl_ops_pass;
0085
0086 #ifdef CONFIG_DCB
0087 int qed_dcbx_get_config_params(struct qed_hwfn *p_hwfn,
0088                    struct qed_dcbx_set *params);
0089
0090 int qed_dcbx_config_params(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
0091                struct qed_dcbx_set *params, bool hw_commit);
0092 #endif
0093
0094 /* QED local interface routines */
0095 int
0096 qed_dcbx_mib_update_event(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
0097               enum qed_mib_read_type type);
0098
0099 int qed_dcbx_info_alloc(struct qed_hwfn *p_hwfn);
0100 void qed_dcbx_info_free(struct qed_hwfn *p_hwfn);
0101 void qed_dcbx_set_pf_update_params(struct qed_dcbx_results *p_src,
0102                    struct pf_update_ramrod_data *p_dest);
0103
0104 #define QED_DCBX_DEFAULT_TC 0
0105
0106 u8 qed_dcbx_get_priority_tc(struct qed_hwfn *p_hwfn, u8 pri);
0107 #endif