[mirror_ubuntu-artful-kernel.git] / include / linux / dcbnl.h

/*
 * Copyright (c) 2008, 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

/* This structure contains the IEEE 802.1Qaz ETS managed object
 *
 * @willing: willing bit in ETS configuratin 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 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];
};

/* 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 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
 */
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_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)
 */
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,

	__DCB_ATTR_ENUM_MAX,
	DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1,
};

enum ieee_attrs {
	DCB_ATTR_IEEE_UNSPEC,
	DCB_ATTR_IEEE_ETS,
	DCB_ATTR_IEEE_PFC,
	DCB_ATTR_IEEE_APP_TABLE,
	__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 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__ */
Commit	Line	Data
2f90b865 AD	1	/*
	2	* Copyright (c) 2008, Intel Corporation.
	3	*
	4	* This program is free software; you can redistribute it and/or modify it
	5	* under the terms and conditions of the GNU General Public License,
	6	* version 2, as published by the Free Software Foundation.
	7	*
	8	* This program is distributed in the hope it will be useful, but WITHOUT
	9	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	10	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	11	* more details.
	12	*
	13	* You should have received a copy of the GNU General Public License along with
	14	* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
	15	* Place - Suite 330, Boston, MA 02111-1307 USA.
	16	*
	17	* Author: Lucy Liu <lucy.liu@intel.com>
	18	*/
	19
	20	#ifndef __LINUX_DCBNL_H__
	21	#define __LINUX_DCBNL_H__
	22
5c252221 CL	23	#include <linux/types.h>
5c252221 CL	24
3e29027a JF	25	/* IEEE 802.1Qaz std supported values */
	26	#define IEEE_8021QAZ_MAX_TCS 8
	27
	28	/* This structure contains the IEEE 802.1Qaz ETS managed object
	29	*
	30	* @willing: willing bit in ETS configuratin TLV
	31	* @ets_cap: indicates supported capacity of ets feature
	32	* @cbs: credit based shaper ets algorithm supported
	33	* @tc_tx_bw: tc tx bandwidth indexed by traffic class
	34	* @tc_rx_bw: tc rx bandwidth indexed by traffic class
	35	* @tc_tsa: TSA Assignment table, indexed by traffic class
	36	* @prio_tc: priority assignment table mapping 8021Qp to traffic class
	37	* @tc_reco_bw: recommended tc bandwidth indexed by traffic class for TLV
	38	* @tc_reco_tsa: recommended tc bandwidth indexed by traffic class for TLV
	39	* @reco_prio_tc: recommended tc tx bandwidth indexed by traffic class for TLV
	40	*
	41	* Recommended values are used to set fields in the ETS recommendation TLV
	42	* with hardware offloaded LLDP.
	43	*
	44	* ----
	45	* TSA Assignment 8 bit identifiers
	46	* 0 strict priority
	47	* 1 credit-based shaper
	48	* 2 enhanced transmission selection
	49	* 3-254 reserved
	50	* 255 vendor specific
	51	*/
	52	struct ieee_ets {
	53	__u8 willing;
	54	__u8 ets_cap;
	55	__u8 cbs;
	56	__u8 tc_tx_bw[IEEE_8021QAZ_MAX_TCS];
	57	__u8 tc_rx_bw[IEEE_8021QAZ_MAX_TCS];
	58	__u8 tc_tsa[IEEE_8021QAZ_MAX_TCS];
	59	__u8 prio_tc[IEEE_8021QAZ_MAX_TCS];
	60	__u8 tc_reco_bw[IEEE_8021QAZ_MAX_TCS];
	61	__u8 tc_reco_tsa[IEEE_8021QAZ_MAX_TCS];
	62	__u8 reco_prio_tc[IEEE_8021QAZ_MAX_TCS];
	63	};
	64
	65	/* This structure contains the IEEE 802.1Qaz PFC managed object
	66	*
	67	* @pfc_cap: Indicates the number of traffic classes on the local device
	68	* that may simultaneously have PFC enabled.
	69	* @pfc_en: bitmap indicating pfc enabled traffic classes
	70	* @mbc: enable macsec bypass capability
	71	* @delay: the allowance made for a round-trip propagation delay of the
	72	* link in bits.
	73	* @requests: count of the sent pfc frames
	74	* @indications: count of the received pfc frames
	75	*/
	76	struct ieee_pfc {
	77	__u8 pfc_cap;
	78	__u8 pfc_en;
	79	__u8 mbc;
	80	__u16 delay;
	81	__u64 requests[IEEE_8021QAZ_MAX_TCS];
	82	__u64 indications[IEEE_8021QAZ_MAX_TCS];
	83	};
	84
9ab933ab JF	85	/* This structure contains the IEEE 802.1Qaz APP managed object. This
	86	* object is also used for the CEE std as well. There is no difference
	87	* between the objects.
3e29027a JF	88	*
	89	* @selector: protocol identifier type
	90	* @protocol: protocol of type indicated
	91	* @priority: 3-bit unsigned integer indicating priority
	92	*
	93	* ----
	94	* Selector field values
	95	* 0 Reserved
	96	* 1 Ethertype
	97	* 2 Well known port number over TCP or SCTP
	98	* 3 Well known port number over UDP or DCCP
	99	* 4 Well known port number over TCP, SCTP, UDP, or DCCP
	100	* 5-7 Reserved
	101	*/
	102	struct dcb_app {
	103	__u8 selector;
3e29027a	104	__u8 priority;
226111d1	105	__u16 protocol;
3e29027a JF	106	};
3e29027a JF	107
2f90b865	108	struct dcbmsg {
5c252221	109	__u8 dcb_family;
2f90b865 AD	110	__u8 cmd;
	111	__u16 dcb_pad;
	112	};
	113
	114	/**
	115	* enum dcbnl_commands - supported DCB commands
	116	*
	117	* @DCB_CMD_UNDEFINED: unspecified command to catch errors
	118	* @DCB_CMD_GSTATE: request the state of DCB in the device
	119	* @DCB_CMD_SSTATE: set the state of DCB in the device
	120	* @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx
	121	* @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx
	122	* @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx
	123	* @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx
	124	* @DCB_CMD_PFC_GCFG: request the priority flow control configuration
	125	* @DCB_CMD_PFC_SCFG: set the priority flow control configuration
	126	* @DCB_CMD_SET_ALL: apply all changes to the underlying device
	127	* @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying
	128	* device. Only useful when using bonding.
46132188	129	* @DCB_CMD_GCAP: request the DCB capabilities of the device
33dbabc4 AD	130	* @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported
33dbabc4 AD	131	* @DCB_CMD_SNUMTCS: set the number of traffic classes
859ee3c4 AD	132	* @DCB_CMD_GBCN: set backward congestion notification configuration
859ee3c4 AD	133	* @DCB_CMD_SBCN: get backward congestion notification configration.
0f6f2902 YZ	134	* @DCB_CMD_GAPP: get application protocol configuration
0f6f2902 YZ	135	* @DCB_CMD_SAPP: set application protocol configuration
3e29027a JF	136	* @DCB_CMD_IEEE_SET: set IEEE 802.1Qaz configuration
3e29027a JF	137	* @DCB_CMD_IEEE_GET: get IEEE 802.1Qaz configuration
6241b625 SR	138	* @DCB_CMD_GDCBX: get DCBX engine configuration
6241b625 SR	139	* @DCB_CMD_SDCBX: set DCBX engine configuration
ea45fe4e SR	140	* @DCB_CMD_GFEATCFG: get DCBX features flags
ea45fe4e SR	141	* @DCB_CMD_SFEATCFG: set DCBX features negotiation flags
2f90b865 AD	142	*/
	143	enum dcbnl_commands {
	144	DCB_CMD_UNDEFINED,
	145
	146	DCB_CMD_GSTATE,
	147	DCB_CMD_SSTATE,
	148
	149	DCB_CMD_PGTX_GCFG,
	150	DCB_CMD_PGTX_SCFG,
	151	DCB_CMD_PGRX_GCFG,
	152	DCB_CMD_PGRX_SCFG,
	153
	154	DCB_CMD_PFC_GCFG,
	155	DCB_CMD_PFC_SCFG,
	156
	157	DCB_CMD_SET_ALL,
859ee3c4	158
2f90b865	159	DCB_CMD_GPERM_HWADDR,
859ee3c4	160
46132188	161	DCB_CMD_GCAP,
859ee3c4	162
33dbabc4 AD	163	DCB_CMD_GNUMTCS,
33dbabc4 AD	164	DCB_CMD_SNUMTCS,
859ee3c4	165
0eb3aa9b AD	166	DCB_CMD_PFC_GSTATE,
0eb3aa9b AD	167	DCB_CMD_PFC_SSTATE,
2f90b865	168
859ee3c4 AD	169	DCB_CMD_BCN_GCFG,
	170	DCB_CMD_BCN_SCFG,
	171
0f6f2902 YZ	172	DCB_CMD_GAPP,
	173	DCB_CMD_SAPP,
	174
3e29027a JF	175	DCB_CMD_IEEE_SET,
	176	DCB_CMD_IEEE_GET,
	177
6241b625 SR	178	DCB_CMD_GDCBX,
	179	DCB_CMD_SDCBX,
	180
ea45fe4e SR	181	DCB_CMD_GFEATCFG,
	182	DCB_CMD_SFEATCFG,
	183
2f90b865 AD	184	__DCB_CMD_ENUM_MAX,
	185	DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1,
	186	};
	187
2f90b865 AD	188	/**
	189	* enum dcbnl_attrs - DCB top-level netlink attributes
	190	*
	191	* @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors
	192	* @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING)
	193	* @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8)
	194	* @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8)
	195	* @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED)
	196	* @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8)
	197	* @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED)
	198	* @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8)
	199	* @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED)
46132188	200	* @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED)
33dbabc4	201	* @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED)
859ee3c4	202	* @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED)
3e29027a	203	* @DCB_ATTR_IEEE: IEEE 802.1Qaz supported attributes (NLA_NESTED)
6241b625	204	* @DCB_ATTR_DCBX: DCBX engine configuration in the device (NLA_U8)
ea45fe4e	205	* @DCB_ATTR_FEATCFG: DCBX features flags (NLA_NESTED)
2f90b865 AD	206	*/
	207	enum dcbnl_attrs {
	208	DCB_ATTR_UNDEFINED,
	209
	210	DCB_ATTR_IFNAME,
	211	DCB_ATTR_STATE,
	212	DCB_ATTR_PFC_STATE,
	213	DCB_ATTR_PFC_CFG,
	214	DCB_ATTR_NUM_TC,
	215	DCB_ATTR_PG_CFG,
	216	DCB_ATTR_SET_ALL,
	217	DCB_ATTR_PERM_HWADDR,
46132188	218	DCB_ATTR_CAP,
33dbabc4	219	DCB_ATTR_NUMTCS,
859ee3c4	220	DCB_ATTR_BCN,
0f6f2902	221	DCB_ATTR_APP,
2f90b865	222
3e29027a JF	223	/* IEEE std attributes */
	224	DCB_ATTR_IEEE,
	225
6241b625	226	DCB_ATTR_DCBX,
ea45fe4e	227	DCB_ATTR_FEATCFG,
6241b625	228
2f90b865 AD	229	__DCB_ATTR_ENUM_MAX,
	230	DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1,
	231	};
	232
3e29027a JF	233	enum ieee_attrs {
	234	DCB_ATTR_IEEE_UNSPEC,
	235	DCB_ATTR_IEEE_ETS,
	236	DCB_ATTR_IEEE_PFC,
	237	DCB_ATTR_IEEE_APP_TABLE,
	238	__DCB_ATTR_IEEE_MAX
	239	};
	240	#define DCB_ATTR_IEEE_MAX (__DCB_ATTR_IEEE_MAX - 1)
	241
	242	enum ieee_attrs_app {
	243	DCB_ATTR_IEEE_APP_UNSPEC,
	244	DCB_ATTR_IEEE_APP,
	245	__DCB_ATTR_IEEE_APP_MAX
	246	};
	247	#define DCB_ATTR_IEEE_APP_MAX (__DCB_ATTR_IEEE_APP_MAX - 1)
	248
2f90b865 AD	249	/**
	250	* enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs
	251	*
	252	* @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors
	253	* @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8)
	254	* @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8)
	255	* @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8)
	256	* @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8)
	257	* @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8)
	258	* @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8)
	259	* @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8)
	260	* @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8)
	261	* @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined
	262	* @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG)
	263	*
	264	*/
	265	enum dcbnl_pfc_up_attrs {
	266	DCB_PFC_UP_ATTR_UNDEFINED,
	267
	268	DCB_PFC_UP_ATTR_0,
	269	DCB_PFC_UP_ATTR_1,
	270	DCB_PFC_UP_ATTR_2,
	271	DCB_PFC_UP_ATTR_3,
	272	DCB_PFC_UP_ATTR_4,
	273	DCB_PFC_UP_ATTR_5,
	274	DCB_PFC_UP_ATTR_6,
	275	DCB_PFC_UP_ATTR_7,
	276	DCB_PFC_UP_ATTR_ALL,
	277
	278	__DCB_PFC_UP_ATTR_ENUM_MAX,
	279	DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1,
	280	};
	281
	282	/**
	283	* enum dcbnl_pg_attrs - DCB Priority Group attributes
	284	*
	285	* @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors
	286	* @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED)
	287	* @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED)
	288	* @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED)
	289	* @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED)
	290	* @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED)
	291	* @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED)
	292	* @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED)
	293	* @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED)
	294	* @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined
	295	* @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED)
	296	* @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8)
	297	* @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8)
	298	* @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8)
	299	* @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8)
	300	* @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8)
	301	* @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8)
	302	* @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8)
	303	* @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8)
	304	* @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined
	305	* @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG)
	306	*
	307	*/
	308	enum dcbnl_pg_attrs {
	309	DCB_PG_ATTR_UNDEFINED,
	310
	311	DCB_PG_ATTR_TC_0,
	312	DCB_PG_ATTR_TC_1,
313	DCB_PG_ATTR_TC_2,
314	DCB_PG_ATTR_TC_3,
315	DCB_PG_ATTR_TC_4,
316	DCB_PG_ATTR_TC_5,
317	DCB_PG_ATTR_TC_6,
318	DCB_PG_ATTR_TC_7,
319	DCB_PG_ATTR_TC_MAX,
320	DCB_PG_ATTR_TC_ALL,
321
322	DCB_PG_ATTR_BW_ID_0,
323	DCB_PG_ATTR_BW_ID_1,
324	DCB_PG_ATTR_BW_ID_2,
325	DCB_PG_ATTR_BW_ID_3,
326	DCB_PG_ATTR_BW_ID_4,
327	DCB_PG_ATTR_BW_ID_5,
328	DCB_PG_ATTR_BW_ID_6,
329	DCB_PG_ATTR_BW_ID_7,
330	DCB_PG_ATTR_BW_ID_MAX,
331	DCB_PG_ATTR_BW_ID_ALL,
332
333	__DCB_PG_ATTR_ENUM_MAX,
334	DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1,
335	};
336
337	/**
338	* enum dcbnl_tc_attrs - DCB Traffic Class attributes
339	*
340	* @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors
341	* @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to
342	* Valid values are: 0-7
343	* @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map
344	* Some devices may not support changing the
345	* user priority map of a TC.
346	* @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting
347	* 0 - none
348	* 1 - group strict
349	* 2 - link strict
350	* @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and
351	* not configured to use link strict priority,
352	* this is the percentage of bandwidth of the
353	* priority group this traffic class belongs to
354	* @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters
355	*
356	*/
357	enum dcbnl_tc_attrs {
358	DCB_TC_ATTR_PARAM_UNDEFINED,
359
360	DCB_TC_ATTR_PARAM_PGID,
361	DCB_TC_ATTR_PARAM_UP_MAPPING,
362	DCB_TC_ATTR_PARAM_STRICT_PRIO,
363	DCB_TC_ATTR_PARAM_BW_PCT,
364	DCB_TC_ATTR_PARAM_ALL,
365
366	__DCB_TC_ATTR_PARAM_ENUM_MAX,
367	DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1,
368	};
369
46132188 AD	370	/**
	371	* enum dcbnl_cap_attrs - DCB Capability attributes
	372	*
	373	* @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors
	374	* @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters
	375	* @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups
	376	* @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control
	377	* @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to
	378	* traffic class mapping
	379	* @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a
	380	* number of traffic classes the device
	381	* can be configured to use for Priority Groups
	382	* @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a
	383	* number of traffic classes the device can be
	384	* configured to use for Priority Flow Control
	385	* @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority
	386	* @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion
	387	* Notification
6241b625 SR	388	* @DCB_CAP_ATTR_DCBX: (NLA_U8) device supports DCBX engine
6241b625 SR	389	*
46132188 AD	390	*/
	391	enum dcbnl_cap_attrs {
	392	DCB_CAP_ATTR_UNDEFINED,
	393	DCB_CAP_ATTR_ALL,
	394	DCB_CAP_ATTR_PG,
	395	DCB_CAP_ATTR_PFC,
	396	DCB_CAP_ATTR_UP2TC,
	397	DCB_CAP_ATTR_PG_TCS,
	398	DCB_CAP_ATTR_PFC_TCS,
	399	DCB_CAP_ATTR_GSP,
	400	DCB_CAP_ATTR_BCN,
6241b625	401	DCB_CAP_ATTR_DCBX,
46132188 AD	402
	403	__DCB_CAP_ATTR_ENUM_MAX,
	404	DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1,
	405	};
33dbabc4	406
6241b625 SR	407	/**
	408	* DCBX capability flags
	409	*
	410	* @DCB_CAP_DCBX_HOST: DCBX negotiation is performed by the host LLDP agent.
	411	* 'set' routines are used to configure the device with
	412	* the negotiated parameters
	413	*
	414	* @DCB_CAP_DCBX_LLD_MANAGED: DCBX negotiation is not performed in the host but
	415	* by another entity
	416	* 'get' routines are used to retrieve the
	417	* negotiated parameters
	418	* 'set' routines can be used to set the initial
	419	* negotiation configuration
	420	*
	421	* @DCB_CAP_DCBX_VER_CEE: for a non-host DCBX engine, indicates the engine
	422	* supports the CEE protocol flavor
	423	*
	424	* @DCB_CAP_DCBX_VER_IEEE: for a non-host DCBX engine, indicates the engine
	425	* supports the IEEE protocol flavor
	426	*
	427	* @DCB_CAP_DCBX_STATIC: for a non-host DCBX engine, indicates the engine
	428	* supports static configuration (i.e no actual
	429	* negotiation is performed negotiated parameters equal
	430	* the initial configuration)
	431	*
	432	*/
	433	#define DCB_CAP_DCBX_HOST 0x01
	434	#define DCB_CAP_DCBX_LLD_MANAGED 0x02
	435	#define DCB_CAP_DCBX_VER_CEE 0x04
	436	#define DCB_CAP_DCBX_VER_IEEE 0x08
	437	#define DCB_CAP_DCBX_STATIC 0x10
	438
33dbabc4 AD	439	/**
	440	* enum dcbnl_numtcs_attrs - number of traffic classes
	441	*
	442	* @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors
	443	* @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes
	444	* @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for
	445	* priority groups
	446	* @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can
	447	* support priority flow control
	448	*/
	449	enum dcbnl_numtcs_attrs {
	450	DCB_NUMTCS_ATTR_UNDEFINED,
	451	DCB_NUMTCS_ATTR_ALL,
	452	DCB_NUMTCS_ATTR_PG,
	453	DCB_NUMTCS_ATTR_PFC,
	454
	455	__DCB_NUMTCS_ATTR_ENUM_MAX,
	456	DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1,
	457	};
	458
859ee3c4 AD	459	enum dcbnl_bcn_attrs{
	460	DCB_BCN_ATTR_UNDEFINED = 0,
	461
	462	DCB_BCN_ATTR_RP_0,
	463	DCB_BCN_ATTR_RP_1,
	464	DCB_BCN_ATTR_RP_2,
	465	DCB_BCN_ATTR_RP_3,
	466	DCB_BCN_ATTR_RP_4,
	467	DCB_BCN_ATTR_RP_5,
	468	DCB_BCN_ATTR_RP_6,
	469	DCB_BCN_ATTR_RP_7,
	470	DCB_BCN_ATTR_RP_ALL,
	471
f4314e81 DS	472	DCB_BCN_ATTR_BCNA_0,
f4314e81 DS	473	DCB_BCN_ATTR_BCNA_1,
859ee3c4 AD	474	DCB_BCN_ATTR_ALPHA,
	475	DCB_BCN_ATTR_BETA,
	476	DCB_BCN_ATTR_GD,
	477	DCB_BCN_ATTR_GI,
	478	DCB_BCN_ATTR_TMAX,
	479	DCB_BCN_ATTR_TD,
	480	DCB_BCN_ATTR_RMIN,
	481	DCB_BCN_ATTR_W,
	482	DCB_BCN_ATTR_RD,
	483	DCB_BCN_ATTR_RU,
	484	DCB_BCN_ATTR_WRTT,
	485	DCB_BCN_ATTR_RI,
	486	DCB_BCN_ATTR_C,
	487	DCB_BCN_ATTR_ALL,
	488
	489	__DCB_BCN_ATTR_ENUM_MAX,
	490	DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1,
	491	};
	492
2f90b865 AD	493	/**
	494	* enum dcb_general_attr_values - general DCB attribute values
	495	*
	496	* @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported
	497	*
	498	*/
	499	enum dcb_general_attr_values {
	500	DCB_ATTR_VALUE_UNDEFINED = 0xff
	501	};
	502
0f6f2902 YZ	503	#define DCB_APP_IDTYPE_ETHTYPE 0x00
	504	#define DCB_APP_IDTYPE_PORTNUM 0x01
	505	enum dcbnl_app_attrs {
	506	DCB_APP_ATTR_UNDEFINED,
	507
	508	DCB_APP_ATTR_IDTYPE,
	509	DCB_APP_ATTR_ID,
	510	DCB_APP_ATTR_PRIORITY,
	511
	512	__DCB_APP_ATTR_ENUM_MAX,
	513	DCB_APP_ATTR_MAX = __DCB_APP_ATTR_ENUM_MAX - 1,
	514	};
2f90b865	515
ea45fe4e SR	516	/**
	517	* enum dcbnl_featcfg_attrs - features conifiguration flags
	518	*
	519	* @DCB_FEATCFG_ATTR_UNDEFINED: unspecified attribute to catch errors
	520	* @DCB_FEATCFG_ATTR_ALL: (NLA_FLAG) all features configuration attributes
	521	* @DCB_FEATCFG_ATTR_PG: (NLA_U8) configuration flags for priority groups
	522	* @DCB_FEATCFG_ATTR_PFC: (NLA_U8) configuration flags for priority
	523	* flow control
	524	* @DCB_FEATCFG_ATTR_APP: (NLA_U8) configuration flags for application TLV
	525	*
	526	*/
	527	#define DCB_FEATCFG_ERROR 0x01 /* error in feature resolution */
	528	#define DCB_FEATCFG_ENABLE 0x02 /* enable feature */
	529	#define DCB_FEATCFG_WILLING 0x04 /* feature is willing */
	530	#define DCB_FEATCFG_ADVERTISE 0x08 /* advertise feature */
	531	enum dcbnl_featcfg_attrs {
	532	DCB_FEATCFG_ATTR_UNDEFINED,
	533	DCB_FEATCFG_ATTR_ALL,
	534	DCB_FEATCFG_ATTR_PG,
	535	DCB_FEATCFG_ATTR_PFC,
	536	DCB_FEATCFG_ATTR_APP,
	537
	538	__DCB_FEATCFG_ATTR_ENUM_MAX,
	539	DCB_FEATCFG_ATTR_MAX = __DCB_FEATCFG_ATTR_ENUM_MAX - 1,
	540	};
	541
2f90b865	542	#endif /* __LINUX_DCBNL_H__ */