| /* |
| * 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> |
| |
| 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 |
| */ |
| 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_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_APP, |
| |
| __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 |
| }; |
| |
| #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, |
| }; |
| |
| #endif /* __LINUX_DCBNL_H__ */ |
