1/* SPDX-License-Identifier: BSD-3-Clause */
2/*  Copyright (c) 2024, Intel Corporation
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 are met:
7 *
8 *   1. Redistributions of source code must retain the above copyright notice,
9 *      this list of conditions and the following disclaimer.
10 *
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 *   3. Neither the name of the Intel Corporation nor the names of its
16 *      contributors may be used to endorse or promote products derived from
17 *      this software without specific prior written permission.
18 *
19 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20 *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
23 *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 *  POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _ICE_DCB_H_
33#define _ICE_DCB_H_
34
35#include "ice_type.h"
36#include "ice_common.h"
37
38#define ICE_DCBX_OFFLOAD_DIS		0
39#define ICE_DCBX_OFFLOAD_ENABLED	1
40
41#define ICE_DCBX_STATUS_NOT_STARTED	0
42#define ICE_DCBX_STATUS_IN_PROGRESS	1
43#define ICE_DCBX_STATUS_DONE		2
44#define ICE_DCBX_STATUS_MULTIPLE_PEERS	3
45#define ICE_DCBX_STATUS_DIS		7
46
47#define ICE_TLV_TYPE_END		0
48#define ICE_TLV_TYPE_ORG		127
49
50#define ICE_IEEE_8021QAZ_OUI		0x0080C2
51#define ICE_IEEE_SUBTYPE_ETS_CFG	9
52#define ICE_IEEE_SUBTYPE_ETS_REC	10
53#define ICE_IEEE_SUBTYPE_PFC_CFG	11
54#define ICE_IEEE_SUBTYPE_APP_PRI	12
55
56#define ICE_CEE_DCBX_OUI		0x001B21
57#define ICE_CEE_DCBX_TYPE		2
58
59#define ICE_DSCP_OUI			0xFFFFFF
60#define ICE_DSCP_SUBTYPE_DSCP2UP	0x41
61#define ICE_DSCP_SUBTYPE_ENFORCE	0x42
62#define ICE_DSCP_SUBTYPE_TCBW		0x43
63#define ICE_DSCP_SUBTYPE_PFC		0x44
64#define ICE_DSCP_IPV6_OFFSET		80
65
66#define ICE_CEE_SUBTYPE_CTRL		1
67#define ICE_CEE_SUBTYPE_PG_CFG		2
68#define ICE_CEE_SUBTYPE_PFC_CFG		3
69#define ICE_CEE_SUBTYPE_APP_PRI		4
70
71#define ICE_CEE_MAX_FEAT_TYPE		3
72#define ICE_LLDP_ADMINSTATUS_DIS	0
73#define ICE_LLDP_ADMINSTATUS_ENA_RX	1
74#define ICE_LLDP_ADMINSTATUS_ENA_TX	2
75#define ICE_LLDP_ADMINSTATUS_ENA_RXTX	3
76
77/* Defines for LLDP TLV header */
78#define ICE_LLDP_TLV_LEN_S		0
79#define ICE_LLDP_TLV_LEN_M		(0x01FF << ICE_LLDP_TLV_LEN_S)
80#define ICE_LLDP_TLV_TYPE_S		9
81#define ICE_LLDP_TLV_TYPE_M		(0x7F << ICE_LLDP_TLV_TYPE_S)
82#define ICE_LLDP_TLV_SUBTYPE_S		0
83#define ICE_LLDP_TLV_SUBTYPE_M		(0xFF << ICE_LLDP_TLV_SUBTYPE_S)
84#define ICE_LLDP_TLV_OUI_S		8
85#define ICE_LLDP_TLV_OUI_M		(0xFFFFFFUL << ICE_LLDP_TLV_OUI_S)
86
87/* Defines for IEEE ETS TLV */
88#define ICE_IEEE_ETS_MAXTC_S	0
89#define ICE_IEEE_ETS_MAXTC_M		(0x7 << ICE_IEEE_ETS_MAXTC_S)
90#define ICE_IEEE_ETS_CBS_S		6
91#define ICE_IEEE_ETS_CBS_M		BIT(ICE_IEEE_ETS_CBS_S)
92#define ICE_IEEE_ETS_WILLING_S		7
93#define ICE_IEEE_ETS_WILLING_M		BIT(ICE_IEEE_ETS_WILLING_S)
94#define ICE_IEEE_ETS_PRIO_0_S		0
95#define ICE_IEEE_ETS_PRIO_0_M		(0x7 << ICE_IEEE_ETS_PRIO_0_S)
96#define ICE_IEEE_ETS_PRIO_1_S		4
97#define ICE_IEEE_ETS_PRIO_1_M		(0x7 << ICE_IEEE_ETS_PRIO_1_S)
98#define ICE_CEE_PGID_PRIO_0_S		0
99#define ICE_CEE_PGID_PRIO_0_M		(0xF << ICE_CEE_PGID_PRIO_0_S)
100#define ICE_CEE_PGID_PRIO_1_S		4
101#define ICE_CEE_PGID_PRIO_1_M		(0xF << ICE_CEE_PGID_PRIO_1_S)
102#define ICE_CEE_PGID_STRICT		15
103
104/* Defines for IEEE TSA types */
105#define ICE_IEEE_TSA_STRICT		0
106#define ICE_IEEE_TSA_CBS		1
107#define ICE_IEEE_TSA_ETS		2
108#define ICE_IEEE_TSA_VENDOR		255
109
110/* Defines for IEEE PFC TLV */
111#define ICE_IEEE_PFC_CAP_S		0
112#define ICE_IEEE_PFC_CAP_M		(0xF << ICE_IEEE_PFC_CAP_S)
113#define ICE_IEEE_PFC_MBC_S		6
114#define ICE_IEEE_PFC_MBC_M		BIT(ICE_IEEE_PFC_MBC_S)
115#define ICE_IEEE_PFC_WILLING_S		7
116#define ICE_IEEE_PFC_WILLING_M		BIT(ICE_IEEE_PFC_WILLING_S)
117
118/* Defines for IEEE APP TLV */
119#define ICE_IEEE_APP_SEL_S		0
120#define ICE_IEEE_APP_SEL_M		(0x7 << ICE_IEEE_APP_SEL_S)
121#define ICE_IEEE_APP_PRIO_S		5
122#define ICE_IEEE_APP_PRIO_M		(0x7 << ICE_IEEE_APP_PRIO_S)
123
124/* TLV definitions for preparing MIB */
125#define ICE_TLV_ID_CHASSIS_ID		0
126#define ICE_TLV_ID_PORT_ID		1
127#define ICE_TLV_ID_TIME_TO_LIVE		2
128#define ICE_IEEE_TLV_ID_ETS_CFG		3
129#define ICE_IEEE_TLV_ID_ETS_REC		4
130#define ICE_IEEE_TLV_ID_PFC_CFG		5
131#define ICE_IEEE_TLV_ID_APP_PRI		6
132#define ICE_TLV_ID_END_OF_LLDPPDU	7
133#define ICE_TLV_ID_START		ICE_IEEE_TLV_ID_ETS_CFG
134#define ICE_TLV_ID_DSCP_UP		3
135#define ICE_TLV_ID_DSCP_ENF		4
136#define ICE_TLV_ID_DSCP_TC_BW		5
137#define ICE_TLV_ID_DSCP_TO_PFC		6
138
139#define ICE_IEEE_ETS_TLV_LEN		25
140#define ICE_IEEE_PFC_TLV_LEN		6
141#define ICE_IEEE_APP_TLV_LEN		11
142
143#define ICE_DSCP_UP_TLV_LEN		148
144#define ICE_DSCP_ENF_TLV_LEN		132
145#define ICE_DSCP_TC_BW_TLV_LEN		25
146#define ICE_DSCP_PFC_TLV_LEN		6
147
148#pragma pack(1)
149/* IEEE 802.1AB LLDP Organization specific TLV */
150struct ice_lldp_org_tlv {
151	__be16 typelen;
152	__be32 ouisubtype;
153	u8 tlvinfo[STRUCT_HACK_VAR_LEN];
154};
155#pragma pack()
156
157struct ice_cee_tlv_hdr {
158	__be16 typelen;
159	u8 operver;
160	u8 maxver;
161};
162
163struct ice_cee_ctrl_tlv {
164	struct ice_cee_tlv_hdr hdr;
165	__be32 seqno;
166	__be32 ackno;
167};
168
169struct ice_cee_feat_tlv {
170	struct ice_cee_tlv_hdr hdr;
171	u8 en_will_err; /* Bits: |En|Will|Err|Reserved(5)| */
172#define ICE_CEE_FEAT_TLV_ENA_M		0x80
173#define ICE_CEE_FEAT_TLV_WILLING_M	0x40
174#define ICE_CEE_FEAT_TLV_ERR_M		0x20
175	u8 subtype;
176	u8 tlvinfo[STRUCT_HACK_VAR_LEN];
177};
178
179#pragma pack(1)
180struct ice_cee_app_prio {
181	__be16 protocol;
182	u8 upper_oui_sel; /* Bits: |Upper OUI(6)|Selector(2)| */
183#define ICE_CEE_APP_SELECTOR_M	0x03
184	__be16 lower_oui;
185	u8 prio_map;
186};
187#pragma pack()
188
189/* TODO: The below structures related LLDP/DCBX variables
190 * and statistics are defined but need to find how to get
191 * the required information from the Firmware to use them
192 */
193
194/* IEEE 802.1AB LLDP Agent Statistics */
195struct ice_lldp_stats {
196	u64 remtablelastchangetime;
197	u64 remtableinserts;
198	u64 remtabledeletes;
199	u64 remtabledrops;
200	u64 remtableageouts;
201	u64 txframestotal;
202	u64 rxframesdiscarded;
203	u64 rxportframeerrors;
204	u64 rxportframestotal;
205	u64 rxporttlvsdiscardedtotal;
206	u64 rxporttlvsunrecognizedtotal;
207	u64 remtoomanyneighbors;
208};
209
210/* IEEE 802.1Qaz DCBX variables */
211struct ice_dcbx_variables {
212	u32 defmaxtrafficclasses;
213	u32 defprioritytcmapping;
214	u32 deftcbandwidth;
215	u32 deftsaassignment;
216};
217
218enum ice_status
219ice_aq_get_lldp_mib(struct ice_hw *hw, u8 bridge_type, u8 mib_type, void *buf,
220		    u16 buf_size, u16 *local_len, u16 *remote_len,
221		    struct ice_sq_cd *cd);
222enum ice_status
223ice_aq_add_delete_lldp_tlv(struct ice_hw *hw, u8 bridge_type, bool add_lldp_tlv,
224			   void *buf, u16 buf_size, u16 tlv_len, u16 *mib_len,
225			   struct ice_sq_cd *cd);
226enum ice_status
227ice_aq_update_lldp_tlv(struct ice_hw *hw, u8 bridge_type, void *buf,
228		       u16 buf_size, u16 old_len, u16 new_len, u16 offset,
229		       u16 *mib_len, struct ice_sq_cd *cd);
230enum ice_status
231ice_aq_dcb_ignore_pfc(struct ice_hw *hw, u8 tcmap, bool request, u8 *tcmap_ret,
232		      struct ice_sq_cd *cd);
233enum ice_status
234ice_aq_get_cee_dcb_cfg(struct ice_hw *hw,
235		       struct ice_aqc_get_cee_dcb_cfg_resp *buff,
236		       struct ice_sq_cd *cd);
237enum ice_status
238ice_aq_query_pfc_mode(struct ice_hw *hw, u8 *pfcmode_ret, struct ice_sq_cd *cd);
239enum ice_status
240ice_aq_set_dcb_parameters(struct ice_hw *hw, bool dcb_enable,
241			  struct ice_sq_cd *cd);
242enum ice_status
243ice_aq_set_pfc_mode(struct ice_hw *hw, u8 pfc_mode, struct ice_sq_cd *cd);
244enum ice_status ice_lldp_to_dcb_cfg(u8 *lldpmib, struct ice_dcbx_cfg *dcbcfg);
245u8 ice_get_dcbx_status(struct ice_hw *hw);
246enum ice_status
247ice_aq_get_dcb_cfg(struct ice_hw *hw, u8 mib_type, u8 bridgetype,
248		   struct ice_dcbx_cfg *dcbcfg);
249enum ice_status ice_get_dcb_cfg(struct ice_port_info *pi);
250enum ice_status ice_set_dcb_cfg(struct ice_port_info *pi);
251void ice_get_dcb_cfg_from_mib_change(struct ice_port_info *pi,
252				     struct ice_rq_event_info *event);
253enum ice_status ice_init_dcb(struct ice_hw *hw, bool enable_mib_change);
254void ice_dcb_cfg_to_lldp(u8 *lldpmib, u16 *miblen, struct ice_dcbx_cfg *dcbcfg);
255enum ice_status
256ice_query_port_ets(struct ice_port_info *pi,
257		   struct ice_aqc_port_ets_elem *buf, u16 buf_size,
258		   struct ice_sq_cd *cmd_details);
259enum ice_status
260ice_aq_query_port_ets(struct ice_port_info *pi,
261		      struct ice_aqc_port_ets_elem *buf, u16 buf_size,
262		      struct ice_sq_cd *cd);
263enum ice_status
264ice_update_port_tc_tree_cfg(struct ice_port_info *pi,
265			    struct ice_aqc_port_ets_elem *buf);
266enum ice_status
267ice_aq_stop_lldp(struct ice_hw *hw, bool shutdown_lldp_agent, bool persist,
268		 struct ice_sq_cd *cd);
269enum ice_status
270ice_aq_start_lldp(struct ice_hw *hw, bool persist, struct ice_sq_cd *cd);
271enum ice_status
272ice_aq_start_stop_dcbx(struct ice_hw *hw, bool start_dcbx_agent,
273		       bool *dcbx_agent_status, struct ice_sq_cd *cd);
274enum ice_status ice_cfg_lldp_mib_change(struct ice_hw *hw, bool ena_mib);
275enum ice_status
276ice_aq_cfg_lldp_mib_change(struct ice_hw *hw, bool ena_update,
277			   struct ice_sq_cd *cd);
278#endif /* _ICE_DCB_H_ */
279