1/* SPDX-License-Identifier: GPL-2.0 */
2/* Copyright (c) 2019, Intel Corporation. */
3
4#ifndef _ICE_DCB_H_
5#define _ICE_DCB_H_
6
7#include "ice_type.h"
8
9#define ICE_DCBX_STATUS_NOT_STARTED	0
10#define ICE_DCBX_STATUS_IN_PROGRESS	1
11#define ICE_DCBX_STATUS_DONE		2
12#define ICE_DCBX_STATUS_DIS		7
13
14#define ICE_TLV_TYPE_END		0
15#define ICE_TLV_TYPE_ORG		127
16
17#define ICE_IEEE_8021QAZ_OUI		0x0080C2
18#define ICE_IEEE_SUBTYPE_ETS_CFG	9
19#define ICE_IEEE_SUBTYPE_ETS_REC	10
20#define ICE_IEEE_SUBTYPE_PFC_CFG	11
21#define ICE_IEEE_SUBTYPE_APP_PRI	12
22
23#define ICE_CEE_DCBX_OUI		0x001B21
24#define ICE_CEE_DCBX_TYPE		2
25#define ICE_CEE_SUBTYPE_PG_CFG		2
26#define ICE_CEE_SUBTYPE_PFC_CFG		3
27#define ICE_CEE_SUBTYPE_APP_PRI		4
28#define ICE_CEE_MAX_FEAT_TYPE		3
29/* Defines for LLDP TLV header */
30#define ICE_LLDP_TLV_LEN_S		0
31#define ICE_LLDP_TLV_LEN_M		(0x01FF << ICE_LLDP_TLV_LEN_S)
32#define ICE_LLDP_TLV_TYPE_S		9
33#define ICE_LLDP_TLV_TYPE_M		(0x7F << ICE_LLDP_TLV_TYPE_S)
34#define ICE_LLDP_TLV_SUBTYPE_S		0
35#define ICE_LLDP_TLV_SUBTYPE_M		(0xFF << ICE_LLDP_TLV_SUBTYPE_S)
36#define ICE_LLDP_TLV_OUI_S		8
37#define ICE_LLDP_TLV_OUI_M		(0xFFFFFFUL << ICE_LLDP_TLV_OUI_S)
38
39/* Defines for IEEE ETS TLV */
40#define ICE_IEEE_ETS_MAXTC_S	0
41#define ICE_IEEE_ETS_MAXTC_M		(0x7 << ICE_IEEE_ETS_MAXTC_S)
42#define ICE_IEEE_ETS_CBS_S		6
43#define ICE_IEEE_ETS_CBS_M		BIT(ICE_IEEE_ETS_CBS_S)
44#define ICE_IEEE_ETS_WILLING_S		7
45#define ICE_IEEE_ETS_WILLING_M		BIT(ICE_IEEE_ETS_WILLING_S)
46#define ICE_IEEE_ETS_PRIO_0_S		0
47#define ICE_IEEE_ETS_PRIO_0_M		(0x7 << ICE_IEEE_ETS_PRIO_0_S)
48#define ICE_IEEE_ETS_PRIO_1_S		4
49#define ICE_IEEE_ETS_PRIO_1_M		(0x7 << ICE_IEEE_ETS_PRIO_1_S)
50#define ICE_CEE_PGID_PRIO_0_S		0
51#define ICE_CEE_PGID_PRIO_0_M		(0xF << ICE_CEE_PGID_PRIO_0_S)
52#define ICE_CEE_PGID_PRIO_1_S		4
53#define ICE_CEE_PGID_PRIO_1_M		(0xF << ICE_CEE_PGID_PRIO_1_S)
54#define ICE_CEE_PGID_STRICT		15
55
56/* Defines for IEEE TSA types */
57#define ICE_IEEE_TSA_STRICT		0
58#define ICE_IEEE_TSA_ETS		2
59
60/* Defines for IEEE PFC TLV */
61#define ICE_IEEE_PFC_CAP_S		0
62#define ICE_IEEE_PFC_CAP_M		(0xF << ICE_IEEE_PFC_CAP_S)
63#define ICE_IEEE_PFC_MBC_S		6
64#define ICE_IEEE_PFC_MBC_M		BIT(ICE_IEEE_PFC_MBC_S)
65#define ICE_IEEE_PFC_WILLING_S		7
66#define ICE_IEEE_PFC_WILLING_M		BIT(ICE_IEEE_PFC_WILLING_S)
67
68/* Defines for IEEE APP TLV */
69#define ICE_IEEE_APP_SEL_S		0
70#define ICE_IEEE_APP_SEL_M		(0x7 << ICE_IEEE_APP_SEL_S)
71#define ICE_IEEE_APP_PRIO_S		5
72#define ICE_IEEE_APP_PRIO_M		(0x7 << ICE_IEEE_APP_PRIO_S)
73
74/* TLV definitions for preparing MIB */
75#define ICE_IEEE_TLV_ID_ETS_CFG		3
76#define ICE_IEEE_TLV_ID_ETS_REC		4
77#define ICE_IEEE_TLV_ID_PFC_CFG		5
78#define ICE_IEEE_TLV_ID_APP_PRI		6
79#define ICE_TLV_ID_END_OF_LLDPPDU	7
80#define ICE_TLV_ID_START		ICE_IEEE_TLV_ID_ETS_CFG
81
82#define ICE_IEEE_ETS_TLV_LEN		25
83#define ICE_IEEE_PFC_TLV_LEN		6
84#define ICE_IEEE_APP_TLV_LEN		11
85
86/* IEEE 802.1AB LLDP Organization specific TLV */
87struct ice_lldp_org_tlv {
88	__be16 typelen;
89	__be32 ouisubtype;
90	u8 tlvinfo[];
91} __packed;
92
93struct ice_cee_tlv_hdr {
94	__be16 typelen;
95	u8 operver;
96	u8 maxver;
97};
98
99struct ice_cee_ctrl_tlv {
100	struct ice_cee_tlv_hdr hdr;
101	__be32 seqno;
102	__be32 ackno;
103};
104
105struct ice_cee_feat_tlv {
106	struct ice_cee_tlv_hdr hdr;
107	u8 en_will_err; /* Bits: |En|Will|Err|Reserved(5)| */
108#define ICE_CEE_FEAT_TLV_ENA_M		0x80
109#define ICE_CEE_FEAT_TLV_WILLING_M	0x40
110#define ICE_CEE_FEAT_TLV_ERR_M		0x20
111	u8 subtype;
112	u8 tlvinfo[];
113};
114
115struct ice_cee_app_prio {
116	__be16 protocol;
117	u8 upper_oui_sel; /* Bits: |Upper OUI(6)|Selector(2)| */
118#define ICE_CEE_APP_SELECTOR_M	0x03
119	__be16 lower_oui;
120	u8 prio_map;
121} __packed;
122
123enum ice_status
124ice_aq_get_dcb_cfg(struct ice_hw *hw, u8 mib_type, u8 bridgetype,
125		   struct ice_dcbx_cfg *dcbcfg);
126enum ice_status ice_get_dcb_cfg(struct ice_port_info *pi);
127enum ice_status ice_set_dcb_cfg(struct ice_port_info *pi);
128enum ice_status ice_init_dcb(struct ice_hw *hw, bool enable_mib_change);
129enum ice_status
130ice_query_port_ets(struct ice_port_info *pi,
131		   struct ice_aqc_port_ets_elem *buf, u16 buf_size,
132		   struct ice_sq_cd *cmd_details);
133#ifdef CONFIG_DCB
134enum ice_status
135ice_aq_stop_lldp(struct ice_hw *hw, bool shutdown_lldp_agent, bool persist,
136		 struct ice_sq_cd *cd);
137enum ice_status
138ice_aq_start_lldp(struct ice_hw *hw, bool persist, struct ice_sq_cd *cd);
139enum ice_status
140ice_aq_start_stop_dcbx(struct ice_hw *hw, bool start_dcbx_agent,
141		       bool *dcbx_agent_status, struct ice_sq_cd *cd);
142enum ice_status ice_cfg_lldp_mib_change(struct ice_hw *hw, bool ena_mib);
143#else /* CONFIG_DCB */
144static inline enum ice_status
145ice_aq_stop_lldp(struct ice_hw __always_unused *hw,
146		 bool __always_unused shutdown_lldp_agent,
147		 bool __always_unused persist,
148		 struct ice_sq_cd __always_unused *cd)
149{
150	return 0;
151}
152
153static inline enum ice_status
154ice_aq_start_lldp(struct ice_hw __always_unused *hw,
155		  bool __always_unused persist,
156		  struct ice_sq_cd __always_unused *cd)
157{
158	return 0;
159}
160
161static inline enum ice_status
162ice_aq_start_stop_dcbx(struct ice_hw __always_unused *hw,
163		       bool __always_unused start_dcbx_agent,
164		       bool *dcbx_agent_status,
165		       struct ice_sq_cd __always_unused *cd)
166{
167	*dcbx_agent_status = false;
168
169	return 0;
170}
171
172static inline enum ice_status
173ice_cfg_lldp_mib_change(struct ice_hw __always_unused *hw,
174			bool __always_unused ena_mib)
175{
176	return 0;
177}
178
179#endif /* CONFIG_DCB */
180#endif /* _ICE_DCB_H_ */
181