|  | /* | 
|  | * 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__ */ |