2 * Copyright (c) 2008, Intel Corporation.
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.
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
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.
17 * Author: Lucy Liu <lucy.liu@intel.com>
20 #ifndef __LINUX_DCBNL_H__
21 #define __LINUX_DCBNL_H__
23 #define DCB_PROTO_VERSION 1
26 unsigned char dcb_family;
32 * enum dcbnl_commands - supported DCB commands
34 * @DCB_CMD_UNDEFINED: unspecified command to catch errors
35 * @DCB_CMD_GSTATE: request the state of DCB in the device
36 * @DCB_CMD_SSTATE: set the state of DCB in the device
37 * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx
38 * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx
39 * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx
40 * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx
41 * @DCB_CMD_PFC_GCFG: request the priority flow control configuration
42 * @DCB_CMD_PFC_SCFG: set the priority flow control configuration
43 * @DCB_CMD_SET_ALL: apply all changes to the underlying device
44 * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying
45 * device. Only useful when using bonding.
65 DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1,
70 * enum dcbnl_attrs - DCB top-level netlink attributes
72 * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors
73 * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING)
74 * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8)
75 * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8)
76 * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED)
77 * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8)
78 * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED)
79 * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8)
80 * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED)
95 DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1,
99 * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs
101 * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors
102 * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8)
103 * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8)
104 * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8)
105 * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8)
106 * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8)
107 * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8)
108 * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8)
109 * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8)
110 * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined
111 * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG)
114 enum dcbnl_pfc_up_attrs {
115 DCB_PFC_UP_ATTR_UNDEFINED,
127 __DCB_PFC_UP_ATTR_ENUM_MAX,
128 DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1,
132 * enum dcbnl_pg_attrs - DCB Priority Group attributes
134 * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors
135 * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED)
136 * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED)
137 * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED)
138 * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED)
139 * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED)
140 * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED)
141 * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED)
142 * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED)
143 * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined
144 * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED)
145 * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8)
146 * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8)
147 * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8)
148 * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8)
149 * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8)
150 * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8)
151 * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8)
152 * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8)
153 * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined
154 * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG)
157 enum dcbnl_pg_attrs {
158 DCB_PG_ATTR_UNDEFINED,
179 DCB_PG_ATTR_BW_ID_MAX,
180 DCB_PG_ATTR_BW_ID_ALL,
182 __DCB_PG_ATTR_ENUM_MAX,
183 DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1,
187 * enum dcbnl_tc_attrs - DCB Traffic Class attributes
189 * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors
190 * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to
191 * Valid values are: 0-7
192 * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map
193 * Some devices may not support changing the
194 * user priority map of a TC.
195 * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting
199 * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and
200 * not configured to use link strict priority,
201 * this is the percentage of bandwidth of the
202 * priority group this traffic class belongs to
203 * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters
206 enum dcbnl_tc_attrs {
207 DCB_TC_ATTR_PARAM_UNDEFINED,
209 DCB_TC_ATTR_PARAM_PGID,
210 DCB_TC_ATTR_PARAM_UP_MAPPING,
211 DCB_TC_ATTR_PARAM_STRICT_PRIO,
212 DCB_TC_ATTR_PARAM_BW_PCT,
213 DCB_TC_ATTR_PARAM_ALL,
215 __DCB_TC_ATTR_PARAM_ENUM_MAX,
216 DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1,
220 * enum dcb_general_attr_values - general DCB attribute values
222 * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported
225 enum dcb_general_attr_values {
226 DCB_ATTR_VALUE_UNDEFINED = 0xff
230 #endif /* __LINUX_DCBNL_H__ */