/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * Copyright (c) 2008-2011, Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc., 59 Temple * Place - Suite 330, Boston, MA 02111-1307 USA. * * Author: Lucy Liu <lucy.liu@intel.com>
*/
/* This structure contains the IEEE 802.1Qaz ETS managed object * * @willing: willing bit in ETS configuration TLV * @ets_cap: indicates supported capacity of ets feature * @cbs: credit based shaper ets algorithm supported * @tc_tx_bw: tc tx bandwidth indexed by traffic class * @tc_rx_bw: tc rx bandwidth indexed by traffic class * @tc_tsa: TSA Assignment table, indexed by traffic class * @prio_tc: priority assignment table mapping 8021Qp to traffic class * @tc_reco_bw: recommended tc bandwidth indexed by traffic class for TLV * @tc_reco_tsa: recommended tc bandwidth indexed by traffic class for TLV * @reco_prio_tc: recommended tc tx bandwidth indexed by traffic class for TLV * * Recommended values are used to set fields in the ETS recommendation TLV * with hardware offloaded LLDP. * * ---- * TSA Assignment 8 bit identifiers * 0 strict priority * 1 credit-based shaper * 2 enhanced transmission selection * 3-254 reserved * 255 vendor specific
*/ struct ieee_ets {
__u8 willing;
__u8 ets_cap;
__u8 cbs;
__u8 tc_tx_bw[IEEE_8021QAZ_MAX_TCS];
__u8 tc_rx_bw[IEEE_8021QAZ_MAX_TCS];
__u8 tc_tsa[IEEE_8021QAZ_MAX_TCS];
__u8 prio_tc[IEEE_8021QAZ_MAX_TCS];
__u8 tc_reco_bw[IEEE_8021QAZ_MAX_TCS];
__u8 tc_reco_tsa[IEEE_8021QAZ_MAX_TCS];
__u8 reco_prio_tc[IEEE_8021QAZ_MAX_TCS];
};
/* This structure contains rate limit extension to the IEEE 802.1Qaz ETS * managed object. * Values are 64 bits long and specified in Kbps to enable usage over both * slow and very fast networks. * * @tc_maxrate: maximal tc tx bandwidth indexed by traffic class
*/ struct ieee_maxrate {
__u64 tc_maxrate[IEEE_8021QAZ_MAX_TCS];
};
/* This structure contains the IEEE 802.1Qau QCN managed object. * *@rpg_enable: enable QCN RP *@rppp_max_rps: maximum number of RPs allowed for this CNPV on this port *@rpg_time_reset: time between rate increases if no CNMs received. * given in u-seconds *@rpg_byte_reset: transmitted data between rate increases if no CNMs received. * given in Bytes *@rpg_threshold: The number of times rpByteStage or rpTimeStage can count * before RP rate control state machine advances states *@rpg_max_rate: the maxinun rate, in Mbits per second, * at which an RP can transmit *@rpg_ai_rate: The rate, in Mbits per second, * used to increase rpTargetRate in the RPR_ACTIVE_INCREASE *@rpg_hai_rate: The rate, in Mbits per second, * used to increase rpTargetRate in the RPR_HYPER_INCREASE state *@rpg_gd: Upon CNM receive, flow rate is limited to (Fb/Gd)*CurrentRate. * rpgGd is given as log2(Gd), where Gd may only be powers of 2 *@rpg_min_dec_fac: The minimum factor by which the current transmit rate * can be changed by reception of a CNM. * value is given as percentage (1-100) *@rpg_min_rate: The minimum value, in bits per second, for rate to limit *@cndd_state_machine: The state of the congestion notification domain * defense state machine, as defined by IEEE 802.3Qau * section 32.1.1. In the interior ready state, * the QCN capable hardware may add CN-TAG TLV to the * outgoing traffic, to specifically identify outgoing * flows.
*/
/* This structure contains the IEEE 802.1Qau QCN statistics. * *@rppp_rp_centiseconds: the number of RP-centiseconds accumulated * by RPs at this priority level on this Port *@rppp_created_rps: number of active RPs(flows) that react to CNMs
*/
/* This structure contains the IEEE 802.1Qaz PFC managed object * * @pfc_cap: Indicates the number of traffic classes on the local device * that may simultaneously have PFC enabled. * @pfc_en: bitmap indicating pfc enabled traffic classes * @mbc: enable macsec bypass capability * @delay: the allowance made for a round-trip propagation delay of the * link in bits. * @requests: count of the sent pfc frames * @indications: count of the received pfc frames
*/ struct ieee_pfc {
__u8 pfc_cap;
__u8 pfc_en;
__u8 mbc;
__u16 delay;
__u64 requests[IEEE_8021QAZ_MAX_TCS];
__u64 indications[IEEE_8021QAZ_MAX_TCS];
};
/** * struct cee_pg - CEE Priority-Group managed object * * @willing: willing bit in the PG tlv * @error: error bit in the PG tlv * @pg_en: enable bit of the PG feature * @tcs_supported: number of traffic classes supported * @pg_bw: bandwidth percentage for each priority group * @prio_pg: priority to PG mapping indexed by priority
*/ struct cee_pg {
__u8 willing;
__u8 error;
__u8 pg_en;
__u8 tcs_supported;
__u8 pg_bw[CEE_DCBX_MAX_PGS];
__u8 prio_pg[CEE_DCBX_MAX_PGS];
};
/** * struct cee_pfc - CEE PFC managed object * * @willing: willing bit in the PFC tlv * @error: error bit in the PFC tlv * @pfc_en: bitmap indicating pfc enabled traffic classes * @tcs_supported: number of traffic classes supported
*/ struct cee_pfc {
__u8 willing;
__u8 error;
__u8 pfc_en;
__u8 tcs_supported;
};
/* This structure contains the IEEE 802.1Qaz APP managed object. This * object is also used for the CEE std as well. * * @selector: protocol identifier type * @protocol: protocol of type indicated * @priority: 3-bit unsigned integer indicating priority for IEEE * 8-bit 802.1p user priority bitmap for CEE * * ---- * Selector field values for IEEE 802.1Qaz * 0 Reserved * 1 Ethertype * 2 Well known port number over TCP or SCTP * 3 Well known port number over UDP or DCCP * 4 Well known port number over TCP, SCTP, UDP, or DCCP * 5 Differentiated Services Code Point (DSCP) value * 6-7 Reserved * * Selector field values for CEE * 0 Ethertype * 1 Well known port number over TCP or UDP * 2-3 Reserved
*/ struct dcb_app {
__u8 selector;
__u8 priority;
__u16 protocol;
};
#define IEEE_8021QAZ_APP_SEL_MAX 255
/** * struct dcb_peer_app_info - APP feature information sent by the peer * * @willing: willing bit in the peer APP tlv * @error: error bit in the peer APP tlv * * In addition to this information the full peer APP tlv also contains * a table of 'app_count' APP objects defined above.
*/ struct dcb_peer_app_info {
__u8 willing;
__u8 error;
};
/** * enum dcbnl_commands - supported DCB commands * * @DCB_CMD_UNDEFINED: unspecified command to catch errors * @DCB_CMD_GSTATE: request the state of DCB in the device * @DCB_CMD_SSTATE: set the state of DCB in the device * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx * @DCB_CMD_PFC_GCFG: request the priority flow control configuration * @DCB_CMD_PFC_SCFG: set the priority flow control configuration * @DCB_CMD_SET_ALL: apply all changes to the underlying device * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying * device. Only useful when using bonding. * @DCB_CMD_GCAP: request the DCB capabilities of the device * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported * @DCB_CMD_SNUMTCS: set the number of traffic classes * @DCB_CMD_GBCN: set backward congestion notification configuration * @DCB_CMD_SBCN: get backward congestion notification configuration. * @DCB_CMD_GAPP: get application protocol configuration * @DCB_CMD_SAPP: set application protocol configuration * @DCB_CMD_IEEE_SET: set IEEE 802.1Qaz configuration * @DCB_CMD_IEEE_GET: get IEEE 802.1Qaz configuration * @DCB_CMD_GDCBX: get DCBX engine configuration * @DCB_CMD_SDCBX: set DCBX engine configuration * @DCB_CMD_GFEATCFG: get DCBX features flags * @DCB_CMD_SFEATCFG: set DCBX features negotiation flags * @DCB_CMD_CEE_GET: get CEE aggregated configuration * @DCB_CMD_IEEE_DEL: delete IEEE 802.1Qaz configuration
*/ enum dcbnl_commands {
DCB_CMD_UNDEFINED,
/** * enum dcbnl_attrs - DCB top-level netlink attributes * * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING) * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8) * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8) * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED) * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8) * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED) * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8) * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED) * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED) * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED) * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED) * @DCB_ATTR_IEEE: IEEE 802.1Qaz supported attributes (NLA_NESTED) * @DCB_ATTR_DCBX: DCBX engine configuration in the device (NLA_U8) * @DCB_ATTR_FEATCFG: DCBX features flags (NLA_NESTED) * @DCB_ATTR_CEE: CEE std supported attributes (NLA_NESTED)
*/ enum dcbnl_attrs {
DCB_ATTR_UNDEFINED,
/** * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs * * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8) * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8) * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8) * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8) * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8) * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8) * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8) * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8) * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG) *
*/ enum dcbnl_pfc_up_attrs {
DCB_PFC_UP_ATTR_UNDEFINED,
/** * enum dcbnl_pg_attrs - DCB Priority Group attributes * * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED) * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED) * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED) * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED) * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED) * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED) * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED) * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED) * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED) * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8) * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8) * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8) * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8) * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8) * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8) * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8) * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8) * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG) *
*/ enum dcbnl_pg_attrs {
DCB_PG_ATTR_UNDEFINED,
/** * enum dcbnl_tc_attrs - DCB Traffic Class attributes * * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to * Valid values are: 0-7 * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map * Some devices may not support changing the * user priority map of a TC. * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting * 0 - none * 1 - group strict * 2 - link strict * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and * not configured to use link strict priority, * this is the percentage of bandwidth of the * priority group this traffic class belongs to * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters *
*/ enum dcbnl_tc_attrs {
DCB_TC_ATTR_PARAM_UNDEFINED,
/** * enum dcbnl_cap_attrs - DCB Capability attributes * * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to * traffic class mapping * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a * number of traffic classes the device * can be configured to use for Priority Groups * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a * number of traffic classes the device can be * configured to use for Priority Flow Control * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion * Notification * @DCB_CAP_ATTR_DCBX: (NLA_U8) device supports DCBX engine *
*/ enum dcbnl_cap_attrs {
DCB_CAP_ATTR_UNDEFINED,
DCB_CAP_ATTR_ALL,
DCB_CAP_ATTR_PG,
DCB_CAP_ATTR_PFC,
DCB_CAP_ATTR_UP2TC,
DCB_CAP_ATTR_PG_TCS,
DCB_CAP_ATTR_PFC_TCS,
DCB_CAP_ATTR_GSP,
DCB_CAP_ATTR_BCN,
DCB_CAP_ATTR_DCBX,
/** * DCBX capability flags * * @DCB_CAP_DCBX_HOST: DCBX negotiation is performed by the host LLDP agent. * 'set' routines are used to configure the device with * the negotiated parameters * * @DCB_CAP_DCBX_LLD_MANAGED: DCBX negotiation is not performed in the host but * by another entity * 'get' routines are used to retrieve the * negotiated parameters * 'set' routines can be used to set the initial * negotiation configuration * * @DCB_CAP_DCBX_VER_CEE: for a non-host DCBX engine, indicates the engine * supports the CEE protocol flavor * * @DCB_CAP_DCBX_VER_IEEE: for a non-host DCBX engine, indicates the engine * supports the IEEE protocol flavor * * @DCB_CAP_DCBX_STATIC: for a non-host DCBX engine, indicates the engine * supports static configuration (i.e no actual * negotiation is performed negotiated parameters equal * the initial configuration) *
*/ #define DCB_CAP_DCBX_HOST 0x01 #define DCB_CAP_DCBX_LLD_MANAGED 0x02 #define DCB_CAP_DCBX_VER_CEE 0x04 #define DCB_CAP_DCBX_VER_IEEE 0x08 #define DCB_CAP_DCBX_STATIC 0x10
/** * enum dcbnl_numtcs_attrs - number of traffic classes * * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for * priority groups * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can * support priority flow control
*/ enum dcbnl_numtcs_attrs {
DCB_NUMTCS_ATTR_UNDEFINED,
DCB_NUMTCS_ATTR_ALL,
DCB_NUMTCS_ATTR_PG,
DCB_NUMTCS_ATTR_PFC,
/** * enum dcb_general_attr_values - general DCB attribute values * * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported *
*/ enum dcb_general_attr_values {
DCB_ATTR_VALUE_UNDEFINED = 0xff
};
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