1/* SPDX-License-Identifier: BSD-3-Clause */
2/*  Copyright (c) 2020, 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/*$FreeBSD$*/
32
33#ifndef _ICE_DCB_H_
34#define _ICE_DCB_H_
35
36#include "ice_type.h"
37#include "ice_common.h"
38
39#define ICE_DCBX_OFFLOAD_DIS		0
40#define ICE_DCBX_OFFLOAD_ENABLED	1
41
42#define ICE_DCBX_STATUS_NOT_STARTED	0
43#define ICE_DCBX_STATUS_IN_PROGRESS	1
44#define ICE_DCBX_STATUS_DONE		2
45#define ICE_DCBX_STATUS_MULTIPLE_PEERS	3
46#define ICE_DCBX_STATUS_DIS		7
47
48#define ICE_TLV_TYPE_END		0
49#define ICE_TLV_TYPE_ORG		127
50
51#define ICE_IEEE_8021QAZ_OUI		0x0080C2
52#define ICE_IEEE_SUBTYPE_ETS_CFG	9
53#define ICE_IEEE_SUBTYPE_ETS_REC	10
54#define ICE_IEEE_SUBTYPE_PFC_CFG	11
55#define ICE_IEEE_SUBTYPE_APP_PRI	12
56
57#define ICE_CEE_DCBX_OUI		0x001B21
58#define ICE_CEE_DCBX_TYPE		2
59
60#define ICE_CEE_SUBTYPE_CTRL		1
61#define ICE_CEE_SUBTYPE_PG_CFG		2
62#define ICE_CEE_SUBTYPE_PFC_CFG		3
63#define ICE_CEE_SUBTYPE_APP_PRI		4
64
65#define ICE_CEE_MAX_FEAT_TYPE		3
66#define ICE_LLDP_ADMINSTATUS_DIS	0
67#define ICE_LLDP_ADMINSTATUS_ENA_RX	1
68#define ICE_LLDP_ADMINSTATUS_ENA_TX	2
69#define ICE_LLDP_ADMINSTATUS_ENA_RXTX	3
70
71/* Defines for LLDP TLV header */
72#define ICE_LLDP_TLV_LEN_S		0
73#define ICE_LLDP_TLV_LEN_M		(0x01FF << ICE_LLDP_TLV_LEN_S)
74#define ICE_LLDP_TLV_TYPE_S		9
75#define ICE_LLDP_TLV_TYPE_M		(0x7F << ICE_LLDP_TLV_TYPE_S)
76#define ICE_LLDP_TLV_SUBTYPE_S		0
77#define ICE_LLDP_TLV_SUBTYPE_M		(0xFF << ICE_LLDP_TLV_SUBTYPE_S)
78#define ICE_LLDP_TLV_OUI_S		8
79#define ICE_LLDP_TLV_OUI_M		(0xFFFFFFUL << ICE_LLDP_TLV_OUI_S)
80
81/* Defines for IEEE ETS TLV */
82#define ICE_IEEE_ETS_MAXTC_S	0
83#define ICE_IEEE_ETS_MAXTC_M		(0x7 << ICE_IEEE_ETS_MAXTC_S)
84#define ICE_IEEE_ETS_CBS_S		6
85#define ICE_IEEE_ETS_CBS_M		BIT(ICE_IEEE_ETS_CBS_S)
86#define ICE_IEEE_ETS_WILLING_S		7
87#define ICE_IEEE_ETS_WILLING_M		BIT(ICE_IEEE_ETS_WILLING_S)
88#define ICE_IEEE_ETS_PRIO_0_S		0
89#define ICE_IEEE_ETS_PRIO_0_M		(0x7 << ICE_IEEE_ETS_PRIO_0_S)
90#define ICE_IEEE_ETS_PRIO_1_S		4
91#define ICE_IEEE_ETS_PRIO_1_M		(0x7 << ICE_IEEE_ETS_PRIO_1_S)
92#define ICE_CEE_PGID_PRIO_0_S		0
93#define ICE_CEE_PGID_PRIO_0_M		(0xF << ICE_CEE_PGID_PRIO_0_S)
94#define ICE_CEE_PGID_PRIO_1_S		4
95#define ICE_CEE_PGID_PRIO_1_M		(0xF << ICE_CEE_PGID_PRIO_1_S)
96#define ICE_CEE_PGID_STRICT		15
97
98/* Defines for IEEE TSA types */
99#define ICE_IEEE_TSA_STRICT		0
100#define ICE_IEEE_TSA_CBS		1
101#define ICE_IEEE_TSA_ETS		2
102#define ICE_IEEE_TSA_VENDOR		255
103
104/* Defines for IEEE PFC TLV */
105#define ICE_IEEE_PFC_CAP_S		0
106#define ICE_IEEE_PFC_CAP_M		(0xF << ICE_IEEE_PFC_CAP_S)
107#define ICE_IEEE_PFC_MBC_S		6
108#define ICE_IEEE_PFC_MBC_M		BIT(ICE_IEEE_PFC_MBC_S)
109#define ICE_IEEE_PFC_WILLING_S		7
110#define ICE_IEEE_PFC_WILLING_M		BIT(ICE_IEEE_PFC_WILLING_S)
111
112/* Defines for IEEE APP TLV */
113#define ICE_IEEE_APP_SEL_S		0
114#define ICE_IEEE_APP_SEL_M		(0x7 << ICE_IEEE_APP_SEL_S)
115#define ICE_IEEE_APP_PRIO_S		5
116#define ICE_IEEE_APP_PRIO_M		(0x7 << ICE_IEEE_APP_PRIO_S)
117
118/* TLV definitions for preparing MIB */
119#define ICE_TLV_ID_CHASSIS_ID		0
120#define ICE_TLV_ID_PORT_ID		1
121#define ICE_TLV_ID_TIME_TO_LIVE		2
122#define ICE_IEEE_TLV_ID_ETS_CFG		3
123#define ICE_IEEE_TLV_ID_ETS_REC		4
124#define ICE_IEEE_TLV_ID_PFC_CFG		5
125#define ICE_IEEE_TLV_ID_APP_PRI		6
126#define ICE_TLV_ID_END_OF_LLDPPDU	7
127#define ICE_TLV_ID_START		ICE_IEEE_TLV_ID_ETS_CFG
128
129#define ICE_IEEE_ETS_TLV_LEN		25
130#define ICE_IEEE_PFC_TLV_LEN		6
131#define ICE_IEEE_APP_TLV_LEN		11
132
133#pragma pack(1)
134/* IEEE 802.1AB LLDP Organization specific TLV */
135struct ice_lldp_org_tlv {
136	__be16 typelen;
137	__be32 ouisubtype;
138	u8 tlvinfo[STRUCT_HACK_VAR_LEN];
139};
140#pragma pack()
141
142struct ice_cee_tlv_hdr {
143	__be16 typelen;
144	u8 operver;
145	u8 maxver;
146};
147
148struct ice_cee_ctrl_tlv {
149	struct ice_cee_tlv_hdr hdr;
150	__be32 seqno;
151	__be32 ackno;
152};
153
154struct ice_cee_feat_tlv {
155	struct ice_cee_tlv_hdr hdr;
156	u8 en_will_err; /* Bits: |En|Will|Err|Reserved(5)| */
157#define ICE_CEE_FEAT_TLV_ENA_M		0x80
158#define ICE_CEE_FEAT_TLV_WILLING_M	0x40
159#define ICE_CEE_FEAT_TLV_ERR_M		0x20
160	u8 subtype;
161	u8 tlvinfo[STRUCT_HACK_VAR_LEN];
162};
163
164#pragma pack(1)
165struct ice_cee_app_prio {
166	__be16 protocol;
167	u8 upper_oui_sel; /* Bits: |Upper OUI(6)|Selector(2)| */
168#define ICE_CEE_APP_SELECTOR_M	0x03
169	__be16 lower_oui;
170	u8 prio_map;
171};
172#pragma pack()
173
174/* TODO: The below structures related LLDP/DCBX variables
175 * and statistics are defined but need to find how to get
176 * the required information from the Firmware to use them
177 */
178
179/* IEEE 802.1AB LLDP Agent Statistics */
180struct ice_lldp_stats {
181	u64 remtablelastchangetime;
182	u64 remtableinserts;
183	u64 remtabledeletes;
184	u64 remtabledrops;
185	u64 remtableageouts;
186	u64 txframestotal;
187	u64 rxframesdiscarded;
188	u64 rxportframeerrors;
189	u64 rxportframestotal;
190	u64 rxporttlvsdiscardedtotal;
191	u64 rxporttlvsunrecognizedtotal;
192	u64 remtoomanyneighbors;
193};
194
195/* IEEE 802.1Qaz DCBX variables */
196struct ice_dcbx_variables {
197	u32 defmaxtrafficclasses;
198	u32 defprioritytcmapping;
199	u32 deftcbandwidth;
200	u32 deftsaassignment;
201};
202
203enum ice_status
204ice_aq_get_lldp_mib(struct ice_hw *hw, u8 bridge_type, u8 mib_type, void *buf,
205		    u16 buf_size, u16 *local_len, u16 *remote_len,
206		    struct ice_sq_cd *cd);
207enum ice_status
208ice_aq_add_delete_lldp_tlv(struct ice_hw *hw, u8 bridge_type, bool add_lldp_tlv,
209			   void *buf, u16 buf_size, u16 tlv_len, u16 *mib_len,
210			   struct ice_sq_cd *cd);
211enum ice_status
212ice_aq_update_lldp_tlv(struct ice_hw *hw, u8 bridge_type, void *buf,
213		       u16 buf_size, u16 old_len, u16 new_len, u16 offset,
214		       u16 *mib_len, struct ice_sq_cd *cd);
215enum ice_status
216ice_aq_dcb_ignore_pfc(struct ice_hw *hw, u8 tcmap, bool request, u8 *tcmap_ret,
217		      struct ice_sq_cd *cd);
218enum ice_status
219ice_aq_get_cee_dcb_cfg(struct ice_hw *hw,
220		       struct ice_aqc_get_cee_dcb_cfg_resp *buff,
221		       struct ice_sq_cd *cd);
222enum ice_status
223ice_aq_query_pfc_mode(struct ice_hw *hw, u8 *pfcmode_ret, struct ice_sq_cd *cd);
224enum ice_status
225ice_aq_set_pfc_mode(struct ice_hw *hw, u8 pfcmode_set, u8 *pfcmode_ret,
226		    struct ice_sq_cd *cd);
227enum ice_status
228ice_aq_set_dcb_parameters(struct ice_hw *hw, bool dcb_enable,
229			  struct ice_sq_cd *cd);
230enum ice_status ice_lldp_to_dcb_cfg(u8 *lldpmib, struct ice_dcbx_cfg *dcbcfg);
231u8 ice_get_dcbx_status(struct ice_hw *hw);
232enum ice_status
233ice_aq_get_dcb_cfg(struct ice_hw *hw, u8 mib_type, u8 bridgetype,
234		   struct ice_dcbx_cfg *dcbcfg);
235enum ice_status ice_get_dcb_cfg(struct ice_port_info *pi);
236enum ice_status ice_set_dcb_cfg(struct ice_port_info *pi);
237enum ice_status ice_init_dcb(struct ice_hw *hw, bool enable_mib_change);
238void ice_dcb_cfg_to_lldp(u8 *lldpmib, u16 *miblen, struct ice_dcbx_cfg *dcbcfg);
239enum ice_status
240ice_query_port_ets(struct ice_port_info *pi,
241		   struct ice_aqc_port_ets_elem *buf, u16 buf_size,
242		   struct ice_sq_cd *cmd_details);
243enum ice_status
244ice_aq_query_port_ets(struct ice_port_info *pi,
245		      struct ice_aqc_port_ets_elem *buf, u16 buf_size,
246		      struct ice_sq_cd *cd);
247enum ice_status
248ice_update_port_tc_tree_cfg(struct ice_port_info *pi,
249			    struct ice_aqc_port_ets_elem *buf);
250enum ice_status
251ice_aq_stop_lldp(struct ice_hw *hw, bool shutdown_lldp_agent, bool persist,
252		 struct ice_sq_cd *cd);
253enum ice_status
254ice_aq_start_lldp(struct ice_hw *hw, bool persist, struct ice_sq_cd *cd);
255enum ice_status
256ice_aq_start_stop_dcbx(struct ice_hw *hw, bool start_dcbx_agent,
257		       bool *dcbx_agent_status, struct ice_sq_cd *cd);
258enum ice_status ice_cfg_lldp_mib_change(struct ice_hw *hw, bool ena_mib);
259enum ice_status
260ice_aq_cfg_lldp_mib_change(struct ice_hw *hw, bool ena_update,
261			   struct ice_sq_cd *cd);
262#endif /* _ICE_DCB_H_ */
263