1/*
2 * Copyright (c) 2017-2018 Cavium, Inc.
3 * All rights reserved.
4 *
5 *  Redistribution and use in source and binary forms, with or without
6 *  modification, are permitted provided that the following conditions
7 *  are met:
8 *
9 *  1. Redistributions of source code must retain the above copyright
10 *     notice, this list of conditions and the following disclaimer.
11 *  2. Redistributions in binary form must reproduce the above copyright
12 *     notice, this list of conditions and the following disclaimer in the
13 *     documentation and/or other materials provided with the distribution.
14 *
15 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19 *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 *  POSSIBILITY OF SUCH DAMAGE.
26 *
27 */
28
29#ifndef __ECORE_DCBX_API_H__
30#define __ECORE_DCBX_API_H__
31
32#include "ecore_status.h"
33
34#define DCBX_CONFIG_MAX_APP_PROTOCOL	4
35
36enum ecore_mib_read_type {
37	ECORE_DCBX_OPERATIONAL_MIB,
38	ECORE_DCBX_REMOTE_MIB,
39	ECORE_DCBX_LOCAL_MIB,
40	ECORE_DCBX_REMOTE_LLDP_MIB,
41	ECORE_DCBX_LOCAL_LLDP_MIB,
42	ECORE_DCBX_LLDP_TLVS
43};
44
45struct ecore_dcbx_app_data {
46	bool enable;		/* DCB enabled */
47	u8 update;		/* Update indication */
48	u8 priority;		/* Priority */
49	u8 tc;			/* Traffic Class */
50	bool dscp_enable;	/* DSCP enabled */
51	u8 dscp_val;		/* DSCP value */
52	bool dont_add_vlan0;	/* Do not insert a vlan tag with id 0 */
53};
54
55#ifndef __EXTRACT__LINUX__IF__
56enum dcbx_protocol_type {
57	DCBX_PROTOCOL_ISCSI,
58	DCBX_PROTOCOL_FCOE,
59	DCBX_PROTOCOL_ROCE,
60	DCBX_PROTOCOL_ROCE_V2,
61	DCBX_PROTOCOL_ETH,
62	DCBX_PROTOCOL_IWARP,
63	DCBX_MAX_PROTOCOL_TYPE
64};
65
66#define ECORE_LLDP_CHASSIS_ID_STAT_LEN 4
67#define ECORE_LLDP_PORT_ID_STAT_LEN 4
68#define ECORE_DCBX_MAX_APP_PROTOCOL 32
69#define ECORE_MAX_PFC_PRIORITIES 8
70#define ECORE_DCBX_DSCP_SIZE 64
71
72struct ecore_dcbx_lldp_remote {
73	u32     peer_chassis_id[ECORE_LLDP_CHASSIS_ID_STAT_LEN];
74	u32     peer_port_id[ECORE_LLDP_PORT_ID_STAT_LEN];
75	bool	enable_rx;
76	bool	enable_tx;
77	u32     tx_interval;
78	u32     max_credit;
79};
80
81struct ecore_dcbx_lldp_local {
82	u32     local_chassis_id[ECORE_LLDP_CHASSIS_ID_STAT_LEN];
83	u32     local_port_id[ECORE_LLDP_PORT_ID_STAT_LEN];
84};
85
86struct ecore_dcbx_app_prio {
87	u8	roce;
88	u8	roce_v2;
89	u8	fcoe;
90	u8	iscsi;
91	u8	eth;
92};
93
94struct ecore_dbcx_pfc_params {
95	bool	willing;
96	bool	enabled;
97	u8	prio[ECORE_MAX_PFC_PRIORITIES];
98	u8	max_tc;
99};
100
101enum ecore_dcbx_sf_ieee_type {
102	ECORE_DCBX_SF_IEEE_ETHTYPE,
103	ECORE_DCBX_SF_IEEE_TCP_PORT,
104	ECORE_DCBX_SF_IEEE_UDP_PORT,
105	ECORE_DCBX_SF_IEEE_TCP_UDP_PORT
106};
107
108struct ecore_app_entry {
109	bool ethtype;
110	enum ecore_dcbx_sf_ieee_type sf_ieee;
111	bool enabled;
112	u8 prio;
113	u16 proto_id;
114	enum dcbx_protocol_type proto_type;
115};
116
117struct ecore_dcbx_params {
118	struct ecore_app_entry app_entry[ECORE_DCBX_MAX_APP_PROTOCOL];
119	u16	num_app_entries;
120	bool	app_willing;
121	bool	app_valid;
122	bool	app_error;
123	bool	ets_willing;
124	bool	ets_enabled;
125	bool	ets_cbs;
126	u8	ets_pri_tc_tbl[ECORE_MAX_PFC_PRIORITIES];
127	u8	ets_tc_bw_tbl[ECORE_MAX_PFC_PRIORITIES];
128	u8	ets_tc_tsa_tbl[ECORE_MAX_PFC_PRIORITIES];
129	struct ecore_dbcx_pfc_params pfc;
130	u8	max_ets_tc;
131};
132
133struct ecore_dcbx_admin_params {
134	struct ecore_dcbx_params params;
135	bool valid;		/* Indicate validity of params */
136};
137
138struct ecore_dcbx_remote_params {
139	struct ecore_dcbx_params params;
140	bool valid;		/* Indicate validity of params */
141};
142
143struct ecore_dcbx_operational_params {
144	struct ecore_dcbx_app_prio app_prio;
145	struct ecore_dcbx_params params;
146	bool valid;		/* Indicate validity of params */
147	bool enabled;
148	bool ieee;
149	bool cee;
150	bool local;
151	u32 err;
152};
153
154struct ecore_dcbx_dscp_params {
155	bool enabled;
156	u8 dscp_pri_map[ECORE_DCBX_DSCP_SIZE];
157};
158
159struct ecore_dcbx_get {
160	struct ecore_dcbx_operational_params operational;
161	struct ecore_dcbx_lldp_remote lldp_remote;
162	struct ecore_dcbx_lldp_local lldp_local;
163	struct ecore_dcbx_remote_params remote;
164	struct ecore_dcbx_admin_params local;
165	struct ecore_dcbx_dscp_params dscp;
166};
167#endif
168
169#define ECORE_DCBX_VERSION_DISABLED	0
170#define ECORE_DCBX_VERSION_IEEE		1
171#define ECORE_DCBX_VERSION_CEE		2
172#define ECORE_DCBX_VERSION_DYNAMIC	3
173
174struct ecore_dcbx_set {
175#define ECORE_DCBX_OVERRIDE_STATE	(1 << 0)
176#define ECORE_DCBX_OVERRIDE_PFC_CFG	(1 << 1)
177#define ECORE_DCBX_OVERRIDE_ETS_CFG	(1 << 2)
178#define ECORE_DCBX_OVERRIDE_APP_CFG	(1 << 3)
179#define ECORE_DCBX_OVERRIDE_DSCP_CFG	(1 << 4)
180	u32 override_flags;
181	bool enabled;
182	struct ecore_dcbx_admin_params config;
183	u32 ver_num;
184	struct ecore_dcbx_dscp_params dscp;
185};
186
187struct ecore_dcbx_results {
188	bool dcbx_enabled;
189	u8 pf_id;
190	struct ecore_dcbx_app_data arr[DCBX_MAX_PROTOCOL_TYPE];
191};
192
193struct ecore_dcbx_app_metadata {
194	enum dcbx_protocol_type id;
195	char *name;
196	enum ecore_pci_personality personality;
197};
198
199enum ecore_lldp_agent {
200	ECORE_LLDP_NEAREST_BRIDGE = 0,
201	ECORE_LLDP_NEAREST_NON_TPMR_BRIDGE,
202	ECORE_LLDP_NEAREST_CUSTOMER_BRIDGE,
203	ECORE_LLDP_MAX_AGENTS
204};
205
206struct ecore_lldp_config_params {
207	enum ecore_lldp_agent agent;
208	u8 tx_interval;
209	u8 tx_hold;
210	u8 tx_credit;
211	bool rx_enable;
212	bool tx_enable;
213	u32 chassis_id_tlv[ECORE_LLDP_CHASSIS_ID_STAT_LEN];
214	u32 port_id_tlv[ECORE_LLDP_PORT_ID_STAT_LEN];
215};
216
217#define ECORE_LLDP_SYS_TLV_SIZE 256
218struct ecore_lldp_sys_tlvs {
219	bool discard_mandatory_tlv;
220	u8 buf[ECORE_LLDP_SYS_TLV_SIZE];
221	u16 buf_size;
222};
223
224struct ecore_lldp_stats {
225	enum ecore_lldp_agent agent;
226	u32 tx_frames;
227	u32 rx_frames;
228	u32 rx_discards;
229	u32 rx_age_outs;
230};
231
232enum _ecore_status_t ecore_dcbx_query_params(struct ecore_hwfn *p_hwfn,
233					     struct ecore_dcbx_get *p_get,
234					     enum ecore_mib_read_type type);
235
236enum _ecore_status_t ecore_dcbx_get_config_params(struct ecore_hwfn *p_hwfn,
237						  struct ecore_dcbx_set
238						  *params);
239
240enum _ecore_status_t ecore_dcbx_config_params(struct ecore_hwfn *p_hwfn,
241					      struct ecore_ptt *p_ptt,
242					      struct ecore_dcbx_set *params,
243					      bool hw_commit);
244
245enum _ecore_status_t ecore_lldp_register_tlv(struct ecore_hwfn *p_hwfn,
246					     struct ecore_ptt *p_ptt,
247					     enum ecore_lldp_agent agent,
248					     u8 tlv_type);
249
250enum _ecore_status_t
251ecore_lldp_get_params(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
252		      struct ecore_lldp_config_params *p_params);
253
254enum _ecore_status_t
255ecore_lldp_set_params(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
256		      struct ecore_lldp_config_params *p_params);
257
258enum _ecore_status_t
259ecore_lldp_set_system_tlvs(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
260			   struct ecore_lldp_sys_tlvs *p_params);
261
262/* Returns priority value for a given dscp index */
263enum _ecore_status_t
264ecore_dcbx_get_dscp_priority(struct ecore_hwfn *p_hwfn,
265			     u8 dscp_index, u8 *p_dscp_pri);
266
267/* Sets priority value for a given dscp index */
268enum _ecore_status_t
269ecore_dcbx_set_dscp_priority(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
270			     u8 dscp_index, u8 pri_val);
271
272enum _ecore_status_t
273ecore_lldp_get_stats(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
274		     struct ecore_lldp_stats *p_params);
275
276#ifndef __EXTRACT__LINUX__C__
277static const struct ecore_dcbx_app_metadata ecore_dcbx_app_update[] = {
278	{DCBX_PROTOCOL_ISCSI, "ISCSI", ECORE_PCI_ISCSI},
279	{DCBX_PROTOCOL_FCOE, "FCOE", ECORE_PCI_FCOE},
280	{DCBX_PROTOCOL_ROCE, "ROCE", ECORE_PCI_ETH_ROCE},
281	{DCBX_PROTOCOL_ROCE_V2, "ROCE_V2", ECORE_PCI_ETH_ROCE},
282	{DCBX_PROTOCOL_ETH, "ETH", ECORE_PCI_ETH},
283	{DCBX_PROTOCOL_IWARP, "IWARP", ECORE_PCI_ETH_IWARP}
284};
285#endif
286
287#endif /* __ECORE_DCBX_API_H__ */
288