1 /* SPDX-License-Identifier: BSD-3-Clause */
2 /* Copyright (c) 2022, Intel Corporation
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * 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.
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.
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.
37 #include "ice_common.h"
39 #define ICE_DCBX_OFFLOAD_DIS 0
40 #define ICE_DCBX_OFFLOAD_ENABLED 1
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
48 #define ICE_TLV_TYPE_END 0
49 #define ICE_TLV_TYPE_ORG 127
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
57 #define ICE_CEE_DCBX_OUI 0x001B21
58 #define ICE_CEE_DCBX_TYPE 2
60 #define ICE_DSCP_OUI 0xFFFFFF
61 #define ICE_DSCP_SUBTYPE_DSCP2UP 0x41
62 #define ICE_DSCP_SUBTYPE_ENFORCE 0x42
63 #define ICE_DSCP_SUBTYPE_TCBW 0x43
64 #define ICE_DSCP_SUBTYPE_PFC 0x44
65 #define ICE_DSCP_IPV6_OFFSET 80
67 #define ICE_CEE_SUBTYPE_CTRL 1
68 #define ICE_CEE_SUBTYPE_PG_CFG 2
69 #define ICE_CEE_SUBTYPE_PFC_CFG 3
70 #define ICE_CEE_SUBTYPE_APP_PRI 4
72 #define ICE_CEE_MAX_FEAT_TYPE 3
73 #define ICE_LLDP_ADMINSTATUS_DIS 0
74 #define ICE_LLDP_ADMINSTATUS_ENA_RX 1
75 #define ICE_LLDP_ADMINSTATUS_ENA_TX 2
76 #define ICE_LLDP_ADMINSTATUS_ENA_RXTX 3
78 /* Defines for LLDP TLV header */
79 #define ICE_LLDP_TLV_LEN_S 0
80 #define ICE_LLDP_TLV_LEN_M (0x01FF << ICE_LLDP_TLV_LEN_S)
81 #define ICE_LLDP_TLV_TYPE_S 9
82 #define ICE_LLDP_TLV_TYPE_M (0x7F << ICE_LLDP_TLV_TYPE_S)
83 #define ICE_LLDP_TLV_SUBTYPE_S 0
84 #define ICE_LLDP_TLV_SUBTYPE_M (0xFF << ICE_LLDP_TLV_SUBTYPE_S)
85 #define ICE_LLDP_TLV_OUI_S 8
86 #define ICE_LLDP_TLV_OUI_M (0xFFFFFFUL << ICE_LLDP_TLV_OUI_S)
88 /* Defines for IEEE ETS TLV */
89 #define ICE_IEEE_ETS_MAXTC_S 0
90 #define ICE_IEEE_ETS_MAXTC_M (0x7 << ICE_IEEE_ETS_MAXTC_S)
91 #define ICE_IEEE_ETS_CBS_S 6
92 #define ICE_IEEE_ETS_CBS_M BIT(ICE_IEEE_ETS_CBS_S)
93 #define ICE_IEEE_ETS_WILLING_S 7
94 #define ICE_IEEE_ETS_WILLING_M BIT(ICE_IEEE_ETS_WILLING_S)
95 #define ICE_IEEE_ETS_PRIO_0_S 0
96 #define ICE_IEEE_ETS_PRIO_0_M (0x7 << ICE_IEEE_ETS_PRIO_0_S)
97 #define ICE_IEEE_ETS_PRIO_1_S 4
98 #define ICE_IEEE_ETS_PRIO_1_M (0x7 << ICE_IEEE_ETS_PRIO_1_S)
99 #define ICE_CEE_PGID_PRIO_0_S 0
100 #define ICE_CEE_PGID_PRIO_0_M (0xF << ICE_CEE_PGID_PRIO_0_S)
101 #define ICE_CEE_PGID_PRIO_1_S 4
102 #define ICE_CEE_PGID_PRIO_1_M (0xF << ICE_CEE_PGID_PRIO_1_S)
103 #define ICE_CEE_PGID_STRICT 15
105 /* Defines for IEEE TSA types */
106 #define ICE_IEEE_TSA_STRICT 0
107 #define ICE_IEEE_TSA_CBS 1
108 #define ICE_IEEE_TSA_ETS 2
109 #define ICE_IEEE_TSA_VENDOR 255
111 /* Defines for IEEE PFC TLV */
112 #define ICE_IEEE_PFC_CAP_S 0
113 #define ICE_IEEE_PFC_CAP_M (0xF << ICE_IEEE_PFC_CAP_S)
114 #define ICE_IEEE_PFC_MBC_S 6
115 #define ICE_IEEE_PFC_MBC_M BIT(ICE_IEEE_PFC_MBC_S)
116 #define ICE_IEEE_PFC_WILLING_S 7
117 #define ICE_IEEE_PFC_WILLING_M BIT(ICE_IEEE_PFC_WILLING_S)
119 /* Defines for IEEE APP TLV */
120 #define ICE_IEEE_APP_SEL_S 0
121 #define ICE_IEEE_APP_SEL_M (0x7 << ICE_IEEE_APP_SEL_S)
122 #define ICE_IEEE_APP_PRIO_S 5
123 #define ICE_IEEE_APP_PRIO_M (0x7 << ICE_IEEE_APP_PRIO_S)
125 /* TLV definitions for preparing MIB */
126 #define ICE_TLV_ID_CHASSIS_ID 0
127 #define ICE_TLV_ID_PORT_ID 1
128 #define ICE_TLV_ID_TIME_TO_LIVE 2
129 #define ICE_IEEE_TLV_ID_ETS_CFG 3
130 #define ICE_IEEE_TLV_ID_ETS_REC 4
131 #define ICE_IEEE_TLV_ID_PFC_CFG 5
132 #define ICE_IEEE_TLV_ID_APP_PRI 6
133 #define ICE_TLV_ID_END_OF_LLDPPDU 7
134 #define ICE_TLV_ID_START ICE_IEEE_TLV_ID_ETS_CFG
135 #define ICE_TLV_ID_DSCP_UP 3
136 #define ICE_TLV_ID_DSCP_ENF 4
137 #define ICE_TLV_ID_DSCP_TC_BW 5
138 #define ICE_TLV_ID_DSCP_TO_PFC 6
140 #define ICE_IEEE_ETS_TLV_LEN 25
141 #define ICE_IEEE_PFC_TLV_LEN 6
142 #define ICE_IEEE_APP_TLV_LEN 11
144 #define ICE_DSCP_UP_TLV_LEN 148
145 #define ICE_DSCP_ENF_TLV_LEN 132
146 #define ICE_DSCP_TC_BW_TLV_LEN 25
147 #define ICE_DSCP_PFC_TLV_LEN 6
150 /* IEEE 802.1AB LLDP Organization specific TLV */
151 struct ice_lldp_org_tlv {
154 u8 tlvinfo[STRUCT_HACK_VAR_LEN];
158 struct ice_cee_tlv_hdr {
164 struct ice_cee_ctrl_tlv {
165 struct ice_cee_tlv_hdr hdr;
170 struct ice_cee_feat_tlv {
171 struct ice_cee_tlv_hdr hdr;
172 u8 en_will_err; /* Bits: |En|Will|Err|Reserved(5)| */
173 #define ICE_CEE_FEAT_TLV_ENA_M 0x80
174 #define ICE_CEE_FEAT_TLV_WILLING_M 0x40
175 #define ICE_CEE_FEAT_TLV_ERR_M 0x20
177 u8 tlvinfo[STRUCT_HACK_VAR_LEN];
181 struct ice_cee_app_prio {
183 u8 upper_oui_sel; /* Bits: |Upper OUI(6)|Selector(2)| */
184 #define ICE_CEE_APP_SELECTOR_M 0x03
190 /* TODO: The below structures related LLDP/DCBX variables
191 * and statistics are defined but need to find how to get
192 * the required information from the Firmware to use them
195 /* IEEE 802.1AB LLDP Agent Statistics */
196 struct ice_lldp_stats {
197 u64 remtablelastchangetime;
203 u64 rxframesdiscarded;
204 u64 rxportframeerrors;
205 u64 rxportframestotal;
206 u64 rxporttlvsdiscardedtotal;
207 u64 rxporttlvsunrecognizedtotal;
208 u64 remtoomanyneighbors;
211 /* IEEE 802.1Qaz DCBX variables */
212 struct ice_dcbx_variables {
213 u32 defmaxtrafficclasses;
214 u32 defprioritytcmapping;
216 u32 deftsaassignment;
220 ice_aq_get_lldp_mib(struct ice_hw *hw, u8 bridge_type, u8 mib_type, void *buf,
221 u16 buf_size, u16 *local_len, u16 *remote_len,
222 struct ice_sq_cd *cd);
224 ice_aq_add_delete_lldp_tlv(struct ice_hw *hw, u8 bridge_type, bool add_lldp_tlv,
225 void *buf, u16 buf_size, u16 tlv_len, u16 *mib_len,
226 struct ice_sq_cd *cd);
228 ice_aq_update_lldp_tlv(struct ice_hw *hw, u8 bridge_type, void *buf,
229 u16 buf_size, u16 old_len, u16 new_len, u16 offset,
230 u16 *mib_len, struct ice_sq_cd *cd);
232 ice_aq_dcb_ignore_pfc(struct ice_hw *hw, u8 tcmap, bool request, u8 *tcmap_ret,
233 struct ice_sq_cd *cd);
235 ice_aq_get_cee_dcb_cfg(struct ice_hw *hw,
236 struct ice_aqc_get_cee_dcb_cfg_resp *buff,
237 struct ice_sq_cd *cd);
239 ice_aq_query_pfc_mode(struct ice_hw *hw, u8 *pfcmode_ret, struct ice_sq_cd *cd);
241 ice_aq_set_dcb_parameters(struct ice_hw *hw, bool dcb_enable,
242 struct ice_sq_cd *cd);
244 ice_aq_set_pfc_mode(struct ice_hw *hw, u8 pfc_mode, struct ice_sq_cd *cd);
245 enum ice_status ice_lldp_to_dcb_cfg(u8 *lldpmib, struct ice_dcbx_cfg *dcbcfg);
246 u8 ice_get_dcbx_status(struct ice_hw *hw);
248 ice_aq_get_dcb_cfg(struct ice_hw *hw, u8 mib_type, u8 bridgetype,
249 struct ice_dcbx_cfg *dcbcfg);
250 enum ice_status ice_get_dcb_cfg(struct ice_port_info *pi);
251 enum ice_status ice_set_dcb_cfg(struct ice_port_info *pi);
252 void ice_get_dcb_cfg_from_mib_change(struct ice_port_info *pi,
253 struct ice_rq_event_info *event);
254 enum ice_status ice_init_dcb(struct ice_hw *hw, bool enable_mib_change);
255 void ice_dcb_cfg_to_lldp(u8 *lldpmib, u16 *miblen, struct ice_dcbx_cfg *dcbcfg);
257 ice_query_port_ets(struct ice_port_info *pi,
258 struct ice_aqc_port_ets_elem *buf, u16 buf_size,
259 struct ice_sq_cd *cmd_details);
261 ice_aq_query_port_ets(struct ice_port_info *pi,
262 struct ice_aqc_port_ets_elem *buf, u16 buf_size,
263 struct ice_sq_cd *cd);
265 ice_update_port_tc_tree_cfg(struct ice_port_info *pi,
266 struct ice_aqc_port_ets_elem *buf);
268 ice_aq_stop_lldp(struct ice_hw *hw, bool shutdown_lldp_agent, bool persist,
269 struct ice_sq_cd *cd);
271 ice_aq_start_lldp(struct ice_hw *hw, bool persist, struct ice_sq_cd *cd);
273 ice_aq_start_stop_dcbx(struct ice_hw *hw, bool start_dcbx_agent,
274 bool *dcbx_agent_status, struct ice_sq_cd *cd);
275 enum ice_status ice_cfg_lldp_mib_change(struct ice_hw *hw, bool ena_mib);
277 ice_aq_cfg_lldp_mib_change(struct ice_hw *hw, bool ena_update,
278 struct ice_sq_cd *cd);
279 #endif /* _ICE_DCB_H_ */