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 */ 150 struct ice_lldp_org_tlv { 151 __be16 typelen; 152 __be32 ouisubtype; 153 u8 tlvinfo[STRUCT_HACK_VAR_LEN]; 154 }; 155 #pragma pack() 156 157 struct ice_cee_tlv_hdr { 158 __be16 typelen; 159 u8 operver; 160 u8 maxver; 161 }; 162 163 struct ice_cee_ctrl_tlv { 164 struct ice_cee_tlv_hdr hdr; 165 __be32 seqno; 166 __be32 ackno; 167 }; 168 169 struct 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) 180 struct 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 */ 195 struct 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 */ 211 struct ice_dcbx_variables { 212 u32 defmaxtrafficclasses; 213 u32 defprioritytcmapping; 214 u32 deftcbandwidth; 215 u32 deftsaassignment; 216 }; 217 218 int 219 ice_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); 222 int 223 ice_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); 226 int 227 ice_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); 230 int 231 ice_aq_dcb_ignore_pfc(struct ice_hw *hw, u8 tcmap, bool request, u8 *tcmap_ret, 232 struct ice_sq_cd *cd); 233 int 234 ice_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); 237 int 238 ice_aq_query_pfc_mode(struct ice_hw *hw, u8 *pfcmode_ret, struct ice_sq_cd *cd); 239 int 240 ice_aq_set_dcb_parameters(struct ice_hw *hw, bool dcb_enable, 241 struct ice_sq_cd *cd); 242 int 243 ice_aq_set_pfc_mode(struct ice_hw *hw, u8 pfc_mode, struct ice_sq_cd *cd); 244 int ice_lldp_to_dcb_cfg(u8 *lldpmib, struct ice_dcbx_cfg *dcbcfg); 245 u8 ice_get_dcbx_status(struct ice_hw *hw); 246 int 247 ice_aq_get_dcb_cfg(struct ice_hw *hw, u8 mib_type, u8 bridgetype, 248 struct ice_dcbx_cfg *dcbcfg); 249 int ice_get_dcb_cfg(struct ice_port_info *pi); 250 int ice_set_dcb_cfg(struct ice_port_info *pi); 251 void ice_get_dcb_cfg_from_mib_change(struct ice_port_info *pi, 252 struct ice_rq_event_info *event); 253 int ice_init_dcb(struct ice_hw *hw, bool enable_mib_change); 254 void ice_dcb_cfg_to_lldp(u8 *lldpmib, u16 *miblen, struct ice_dcbx_cfg *dcbcfg); 255 int 256 ice_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); 259 int 260 ice_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); 263 int 264 ice_update_port_tc_tree_cfg(struct ice_port_info *pi, 265 struct ice_aqc_port_ets_elem *buf); 266 int 267 ice_aq_stop_lldp(struct ice_hw *hw, bool shutdown_lldp_agent, bool persist, 268 struct ice_sq_cd *cd); 269 int 270 ice_aq_start_lldp(struct ice_hw *hw, bool persist, struct ice_sq_cd *cd); 271 int 272 ice_aq_start_stop_dcbx(struct ice_hw *hw, bool start_dcbx_agent, 273 bool *dcbx_agent_status, struct ice_sq_cd *cd); 274 int ice_cfg_lldp_mib_change(struct ice_hw *hw, bool ena_mib); 275 int 276 ice_aq_cfg_lldp_mib_change(struct ice_hw *hw, bool ena_update, 277 struct ice_sq_cd *cd); 278 #endif /* _ICE_DCB_H_ */ 279