Merge git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers.git
[platform/kernel/linux-starfive.git] / 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