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/** 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>
 */
 
 #ifndef __LINUX_DCBNL_H__
 #define __LINUX_DCBNL_H__
 
 #include <linux/types.h>
 
 /* IEEE 802.1Qaz std supported values */
 #define IEEE_8021QAZ_MAX_TCS    8
 
 #define IEEE_8021QAZ_TSA_STRICT        0
 #define IEEE_8021QAZ_TSA_CB_SHAPER    1
 #define IEEE_8021QAZ_TSA_ETS        2
 #define IEEE_8021QAZ_TSA_VENDOR        255
 
 /* 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 802.1Qaz 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];
 };
 
 /* CEE DCBX std supported values */
 #define CEE_DCBX_MAX_PGS    8
 #define CEE_DCBX_MAX_PRIO    8
 
 /**
 * 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;
 };
 
 /* IEEE 802.1Qaz std supported values */
 #define IEEE_8021QAZ_APP_SEL_ETHERTYPE    1
 #define IEEE_8021QAZ_APP_SEL_STREAM    2
 #define IEEE_8021QAZ_APP_SEL_DGRAM    3
 #define IEEE_8021QAZ_APP_SEL_ANY    4
 
 /* This structure contains the IEEE 802.1Qaz APP managed object. This
 * object is also used for the CEE std as well. There is no difference
 * between the objects.
 *
 * @selector: protocol identifier type
 * @protocol: protocol of type indicated
 * @priority: 3-bit unsigned integer indicating priority
 *
 * ----
 *  Selector field values
 *    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
 *    5-7    Reserved
 */
 struct dcb_app {
 __u8    selector;
 __u8    priority;
 __u16    protocol;
 };
 
 /**
 * 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;
 };
 
 struct dcbmsg {
 __u8               dcb_family;
 __u8               cmd;
 __u16              dcb_pad;
 };
 
 /**
 * 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 configration.
 * @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,
 
 DCB_CMD_GSTATE,
 DCB_CMD_SSTATE,
 
 DCB_CMD_PGTX_GCFG,
 DCB_CMD_PGTX_SCFG,
 DCB_CMD_PGRX_GCFG,
 DCB_CMD_PGRX_SCFG,
 
 DCB_CMD_PFC_GCFG,
 DCB_CMD_PFC_SCFG,
 
 DCB_CMD_SET_ALL,
 
 DCB_CMD_GPERM_HWADDR,
 
 DCB_CMD_GCAP,
 
 DCB_CMD_GNUMTCS,
 DCB_CMD_SNUMTCS,
 
 DCB_CMD_PFC_GSTATE,
 DCB_CMD_PFC_SSTATE,
 
 DCB_CMD_BCN_GCFG,
 DCB_CMD_BCN_SCFG,
 
 DCB_CMD_GAPP,
 DCB_CMD_SAPP,
 
 DCB_CMD_IEEE_SET,
 DCB_CMD_IEEE_GET,
 
 DCB_CMD_GDCBX,
 DCB_CMD_SDCBX,
 
 DCB_CMD_GFEATCFG,
 DCB_CMD_SFEATCFG,
 
 DCB_CMD_CEE_GET,
 DCB_CMD_IEEE_DEL,
 
 __DCB_CMD_ENUM_MAX,
 DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1,
 };
 
 /**
 * 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,
 
 DCB_ATTR_IFNAME,
 DCB_ATTR_STATE,
 DCB_ATTR_PFC_STATE,
 DCB_ATTR_PFC_CFG,
 DCB_ATTR_NUM_TC,
 DCB_ATTR_PG_CFG,
 DCB_ATTR_SET_ALL,
 DCB_ATTR_PERM_HWADDR,
 DCB_ATTR_CAP,
 DCB_ATTR_NUMTCS,
 DCB_ATTR_BCN,
 DCB_ATTR_APP,
 
 /* IEEE std attributes */
 DCB_ATTR_IEEE,
 
 DCB_ATTR_DCBX,
 DCB_ATTR_FEATCFG,
 
 /* CEE nested attributes */
 DCB_ATTR_CEE,
 
 __DCB_ATTR_ENUM_MAX,
 DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1,
 };
 
 /**
 * enum ieee_attrs - IEEE 802.1Qaz get/set attributes
 *
 * @DCB_ATTR_IEEE_UNSPEC: unspecified
 * @DCB_ATTR_IEEE_ETS: negotiated ETS configuration
 * @DCB_ATTR_IEEE_PFC: negotiated PFC configuration
 * @DCB_ATTR_IEEE_APP_TABLE: negotiated APP configuration
 * @DCB_ATTR_IEEE_PEER_ETS: peer ETS configuration - get only
 * @DCB_ATTR_IEEE_PEER_PFC: peer PFC configuration - get only
 * @DCB_ATTR_IEEE_PEER_APP: peer APP tlv - get only
 */
 enum ieee_attrs {
 DCB_ATTR_IEEE_UNSPEC,
 DCB_ATTR_IEEE_ETS,
 DCB_ATTR_IEEE_PFC,
 DCB_ATTR_IEEE_APP_TABLE,
 DCB_ATTR_IEEE_PEER_ETS,
 DCB_ATTR_IEEE_PEER_PFC,
 DCB_ATTR_IEEE_PEER_APP,
 DCB_ATTR_IEEE_MAXRATE,
 __DCB_ATTR_IEEE_MAX
 };
 #define DCB_ATTR_IEEE_MAX (__DCB_ATTR_IEEE_MAX - 1)
 
 enum ieee_attrs_app {
 DCB_ATTR_IEEE_APP_UNSPEC,
 DCB_ATTR_IEEE_APP,
 __DCB_ATTR_IEEE_APP_MAX
 };
 #define DCB_ATTR_IEEE_APP_MAX (__DCB_ATTR_IEEE_APP_MAX - 1)
 
 /**
 * enum cee_attrs - CEE DCBX get attributes.
 *
 * @DCB_ATTR_CEE_UNSPEC: unspecified
 * @DCB_ATTR_CEE_PEER_PG: peer PG configuration - get only
 * @DCB_ATTR_CEE_PEER_PFC: peer PFC configuration - get only
 * @DCB_ATTR_CEE_PEER_APP_TABLE: peer APP tlv - get only
 * @DCB_ATTR_CEE_TX_PG: TX PG configuration (DCB_CMD_PGTX_GCFG)
 * @DCB_ATTR_CEE_RX_PG: RX PG configuration (DCB_CMD_PGRX_GCFG)
 * @DCB_ATTR_CEE_PFC: PFC configuration (DCB_CMD_PFC_GCFG)
 * @DCB_ATTR_CEE_APP_TABLE: APP configuration (multi DCB_CMD_GAPP)
 * @DCB_ATTR_CEE_FEAT: DCBX features flags (DCB_CMD_GFEATCFG)
 *
 * An aggregated collection of the cee std negotiated parameters.
 */
 enum cee_attrs {
 DCB_ATTR_CEE_UNSPEC,
 DCB_ATTR_CEE_PEER_PG,
 DCB_ATTR_CEE_PEER_PFC,
 DCB_ATTR_CEE_PEER_APP_TABLE,
 DCB_ATTR_CEE_TX_PG,
 DCB_ATTR_CEE_RX_PG,
 DCB_ATTR_CEE_PFC,
 DCB_ATTR_CEE_APP_TABLE,
 DCB_ATTR_CEE_FEAT,
 __DCB_ATTR_CEE_MAX
 };
 #define DCB_ATTR_CEE_MAX (__DCB_ATTR_CEE_MAX - 1)
 
 enum peer_app_attr {
 DCB_ATTR_CEE_PEER_APP_UNSPEC,
 DCB_ATTR_CEE_PEER_APP_INFO,
 DCB_ATTR_CEE_PEER_APP,
 __DCB_ATTR_CEE_PEER_APP_MAX
 };
 #define DCB_ATTR_CEE_PEER_APP_MAX (__DCB_ATTR_CEE_PEER_APP_MAX - 1)
 
 enum cee_attrs_app {
 DCB_ATTR_CEE_APP_UNSPEC,
 DCB_ATTR_CEE_APP,
 __DCB_ATTR_CEE_APP_MAX
 };
 #define DCB_ATTR_CEE_APP_MAX (__DCB_ATTR_CEE_APP_MAX - 1)
 
 /**
 * 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,
 
 DCB_PFC_UP_ATTR_0,
 DCB_PFC_UP_ATTR_1,
 DCB_PFC_UP_ATTR_2,
 DCB_PFC_UP_ATTR_3,
 DCB_PFC_UP_ATTR_4,
 DCB_PFC_UP_ATTR_5,
 DCB_PFC_UP_ATTR_6,
 DCB_PFC_UP_ATTR_7,
 DCB_PFC_UP_ATTR_ALL,
 
 __DCB_PFC_UP_ATTR_ENUM_MAX,
 DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1,
 };
 
 /**
 * 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,
 
 DCB_PG_ATTR_TC_0,
 DCB_PG_ATTR_TC_1,
 DCB_PG_ATTR_TC_2,
 DCB_PG_ATTR_TC_3,
 DCB_PG_ATTR_TC_4,
 DCB_PG_ATTR_TC_5,
 DCB_PG_ATTR_TC_6,
 DCB_PG_ATTR_TC_7,
 DCB_PG_ATTR_TC_MAX,
 DCB_PG_ATTR_TC_ALL,
 
 DCB_PG_ATTR_BW_ID_0,
 DCB_PG_ATTR_BW_ID_1,
 DCB_PG_ATTR_BW_ID_2,
 DCB_PG_ATTR_BW_ID_3,
 DCB_PG_ATTR_BW_ID_4,
 DCB_PG_ATTR_BW_ID_5,
 DCB_PG_ATTR_BW_ID_6,
 DCB_PG_ATTR_BW_ID_7,
 DCB_PG_ATTR_BW_ID_MAX,
 DCB_PG_ATTR_BW_ID_ALL,
 
 __DCB_PG_ATTR_ENUM_MAX,
 DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1,
 };
 
 /**
 * 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,
 
 DCB_TC_ATTR_PARAM_PGID,
 DCB_TC_ATTR_PARAM_UP_MAPPING,
 DCB_TC_ATTR_PARAM_STRICT_PRIO,
 DCB_TC_ATTR_PARAM_BW_PCT,
 DCB_TC_ATTR_PARAM_ALL,
 
 __DCB_TC_ATTR_PARAM_ENUM_MAX,
 DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1,
 };
 
 /**
 * 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,
 
 __DCB_CAP_ATTR_ENUM_MAX,
 DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1,
 };
 
 /**
 * 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,
 
 __DCB_NUMTCS_ATTR_ENUM_MAX,
 DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1,
 };
 
 enum dcbnl_bcn_attrs{
 DCB_BCN_ATTR_UNDEFINED = 0,
 
 DCB_BCN_ATTR_RP_0,
 DCB_BCN_ATTR_RP_1,
 DCB_BCN_ATTR_RP_2,
 DCB_BCN_ATTR_RP_3,
 DCB_BCN_ATTR_RP_4,
 DCB_BCN_ATTR_RP_5,
 DCB_BCN_ATTR_RP_6,
 DCB_BCN_ATTR_RP_7,
 DCB_BCN_ATTR_RP_ALL,
 
 DCB_BCN_ATTR_BCNA_0,
 DCB_BCN_ATTR_BCNA_1,
 DCB_BCN_ATTR_ALPHA,
 DCB_BCN_ATTR_BETA,
 DCB_BCN_ATTR_GD,
 DCB_BCN_ATTR_GI,
 DCB_BCN_ATTR_TMAX,
 DCB_BCN_ATTR_TD,
 DCB_BCN_ATTR_RMIN,
 DCB_BCN_ATTR_W,
 DCB_BCN_ATTR_RD,
 DCB_BCN_ATTR_RU,
 DCB_BCN_ATTR_WRTT,
 DCB_BCN_ATTR_RI,
 DCB_BCN_ATTR_C,
 DCB_BCN_ATTR_ALL,
 
 __DCB_BCN_ATTR_ENUM_MAX,
 DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1,
 };
 
 /**
 * 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
 };
 
 #define DCB_APP_IDTYPE_ETHTYPE    0x00
 #define DCB_APP_IDTYPE_PORTNUM    0x01
 enum dcbnl_app_attrs {
 DCB_APP_ATTR_UNDEFINED,
 
 DCB_APP_ATTR_IDTYPE,
 DCB_APP_ATTR_ID,
 DCB_APP_ATTR_PRIORITY,
 
 __DCB_APP_ATTR_ENUM_MAX,
 DCB_APP_ATTR_MAX = __DCB_APP_ATTR_ENUM_MAX - 1,
 };
 
 /**
 * enum dcbnl_featcfg_attrs - features conifiguration flags
 *
 * @DCB_FEATCFG_ATTR_UNDEFINED: unspecified attribute to catch errors
 * @DCB_FEATCFG_ATTR_ALL: (NLA_FLAG) all features configuration attributes
 * @DCB_FEATCFG_ATTR_PG: (NLA_U8) configuration flags for priority groups
 * @DCB_FEATCFG_ATTR_PFC: (NLA_U8) configuration flags for priority
 *                                 flow control
 * @DCB_FEATCFG_ATTR_APP: (NLA_U8) configuration flags for application TLV
 *
 */
 #define DCB_FEATCFG_ERROR    0x01    /* error in feature resolution */
 #define DCB_FEATCFG_ENABLE    0x02    /* enable feature */
 #define DCB_FEATCFG_WILLING    0x04    /* feature is willing */
 #define DCB_FEATCFG_ADVERTISE    0x08    /* advertise feature */
 enum dcbnl_featcfg_attrs {
 DCB_FEATCFG_ATTR_UNDEFINED,
 DCB_FEATCFG_ATTR_ALL,
 DCB_FEATCFG_ATTR_PG,
 DCB_FEATCFG_ATTR_PFC,
 DCB_FEATCFG_ATTR_APP,
 
 __DCB_FEATCFG_ATTR_ENUM_MAX,
 DCB_FEATCFG_ATTR_MAX = __DCB_FEATCFG_ATTR_ENUM_MAX - 1,
 };
 
 #endif /* __LINUX_DCBNL_H__ */
 
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