/* * 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> #define DCB_PROTO_VERSION 1 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. */ 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_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) */ 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_ENUM_MAX, DCB_ATTR_MAX = __DCB_ATTR_ENUM_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 */ 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_ENUM_MAX, DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1, }; /** * 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 }; #endif /* __LINUX_DCBNL_H__ */