1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI__LINUX_NETLINK_H 2 #ifndef _UAPI__LINUX_NETLINK_H
3 #define _UAPI__LINUX_NETLINK_H 3 #define _UAPI__LINUX_NETLINK_H
4 4
5 #include <linux/const.h> !! 5 #include <linux/kernel.h>
6 #include <linux/socket.h> /* for __kernel_sa_f 6 #include <linux/socket.h> /* for __kernel_sa_family_t */
7 #include <linux/types.h> 7 #include <linux/types.h>
8 8
9 #define NETLINK_ROUTE 0 /* Rou 9 #define NETLINK_ROUTE 0 /* Routing/device hook */
10 #define NETLINK_UNUSED 1 /* Unu 10 #define NETLINK_UNUSED 1 /* Unused number */
11 #define NETLINK_USERSOCK 2 /* Res 11 #define NETLINK_USERSOCK 2 /* Reserved for user mode socket protocols */
12 #define NETLINK_FIREWALL 3 /* Unu 12 #define NETLINK_FIREWALL 3 /* Unused number, formerly ip_queue */
13 #define NETLINK_SOCK_DIAG 4 /* soc 13 #define NETLINK_SOCK_DIAG 4 /* socket monitoring */
14 #define NETLINK_NFLOG 5 /* net 14 #define NETLINK_NFLOG 5 /* netfilter/iptables ULOG */
15 #define NETLINK_XFRM 6 /* ips 15 #define NETLINK_XFRM 6 /* ipsec */
16 #define NETLINK_SELINUX 7 /* SEL 16 #define NETLINK_SELINUX 7 /* SELinux event notifications */
17 #define NETLINK_ISCSI 8 /* Ope 17 #define NETLINK_ISCSI 8 /* Open-iSCSI */
18 #define NETLINK_AUDIT 9 /* aud 18 #define NETLINK_AUDIT 9 /* auditing */
19 #define NETLINK_FIB_LOOKUP 10 19 #define NETLINK_FIB_LOOKUP 10
20 #define NETLINK_CONNECTOR 11 20 #define NETLINK_CONNECTOR 11
21 #define NETLINK_NETFILTER 12 /* net 21 #define NETLINK_NETFILTER 12 /* netfilter subsystem */
22 #define NETLINK_IP6_FW 13 22 #define NETLINK_IP6_FW 13
23 #define NETLINK_DNRTMSG 14 /* DEC !! 23 #define NETLINK_DNRTMSG 14 /* DECnet routing messages */
24 #define NETLINK_KOBJECT_UEVENT 15 /* Ker 24 #define NETLINK_KOBJECT_UEVENT 15 /* Kernel messages to userspace */
25 #define NETLINK_GENERIC 16 25 #define NETLINK_GENERIC 16
26 /* leave room for NETLINK_DM (DM Events) */ 26 /* leave room for NETLINK_DM (DM Events) */
27 #define NETLINK_SCSITRANSPORT 18 /* SCS 27 #define NETLINK_SCSITRANSPORT 18 /* SCSI Transports */
28 #define NETLINK_ECRYPTFS 19 28 #define NETLINK_ECRYPTFS 19
29 #define NETLINK_RDMA 20 29 #define NETLINK_RDMA 20
30 #define NETLINK_CRYPTO 21 /* Cry 30 #define NETLINK_CRYPTO 21 /* Crypto layer */
31 #define NETLINK_SMC 22 /* SMC 31 #define NETLINK_SMC 22 /* SMC monitoring */
32 32
33 #define NETLINK_INET_DIAG NETLINK_SOCK_D 33 #define NETLINK_INET_DIAG NETLINK_SOCK_DIAG
34 34
35 #define MAX_LINKS 32 35 #define MAX_LINKS 32
36 36
37 struct sockaddr_nl { 37 struct sockaddr_nl {
38 __kernel_sa_family_t nl_family; 38 __kernel_sa_family_t nl_family; /* AF_NETLINK */
39 unsigned short nl_pad; /* zer 39 unsigned short nl_pad; /* zero */
40 __u32 nl_pid; /* por 40 __u32 nl_pid; /* port ID */
41 __u32 nl_groups; /* mul 41 __u32 nl_groups; /* multicast groups mask */
42 }; 42 };
43 43
44 /** <<
45 * struct nlmsghdr - fixed format metadata hea <<
46 * @nlmsg_len: Length of message including h <<
47 * @nlmsg_type: Message content type <<
48 * @nlmsg_flags: Additional flags <<
49 * @nlmsg_seq: Sequence number <<
50 * @nlmsg_pid: Sending process port ID <<
51 */ <<
52 struct nlmsghdr { 44 struct nlmsghdr {
53 __u32 nlmsg_len; !! 45 __u32 nlmsg_len; /* Length of message including header */
54 __u16 nlmsg_type; !! 46 __u16 nlmsg_type; /* Message content */
55 __u16 nlmsg_flags; !! 47 __u16 nlmsg_flags; /* Additional flags */
56 __u32 nlmsg_seq; !! 48 __u32 nlmsg_seq; /* Sequence number */
57 __u32 nlmsg_pid; !! 49 __u32 nlmsg_pid; /* Sending process port ID */
58 }; 50 };
59 51
60 /* Flags values */ 52 /* Flags values */
61 53
62 #define NLM_F_REQUEST 0x01 /* It 54 #define NLM_F_REQUEST 0x01 /* It is request message. */
63 #define NLM_F_MULTI 0x02 /* Mul 55 #define NLM_F_MULTI 0x02 /* Multipart message, terminated by NLMSG_DONE */
64 #define NLM_F_ACK 0x04 /* Rep 56 #define NLM_F_ACK 0x04 /* Reply with ack, with zero or error code */
65 #define NLM_F_ECHO 0x08 /* Rec !! 57 #define NLM_F_ECHO 0x08 /* Echo this request */
66 #define NLM_F_DUMP_INTR 0x10 /* Dum 58 #define NLM_F_DUMP_INTR 0x10 /* Dump was inconsistent due to sequence change */
67 #define NLM_F_DUMP_FILTERED 0x20 /* Dum 59 #define NLM_F_DUMP_FILTERED 0x20 /* Dump was filtered as requested */
68 60
69 /* Modifiers to GET request */ 61 /* Modifiers to GET request */
70 #define NLM_F_ROOT 0x100 /* specify tre 62 #define NLM_F_ROOT 0x100 /* specify tree root */
71 #define NLM_F_MATCH 0x200 /* return all 63 #define NLM_F_MATCH 0x200 /* return all matching */
72 #define NLM_F_ATOMIC 0x400 /* atomic GET 64 #define NLM_F_ATOMIC 0x400 /* atomic GET */
73 #define NLM_F_DUMP (NLM_F_ROOT|NLM_F_MATC 65 #define NLM_F_DUMP (NLM_F_ROOT|NLM_F_MATCH)
74 66
75 /* Modifiers to NEW request */ 67 /* Modifiers to NEW request */
76 #define NLM_F_REPLACE 0x100 /* Override ex 68 #define NLM_F_REPLACE 0x100 /* Override existing */
77 #define NLM_F_EXCL 0x200 /* Do not touc 69 #define NLM_F_EXCL 0x200 /* Do not touch, if it exists */
78 #define NLM_F_CREATE 0x400 /* Create, if 70 #define NLM_F_CREATE 0x400 /* Create, if it does not exist */
79 #define NLM_F_APPEND 0x800 /* Add to end 71 #define NLM_F_APPEND 0x800 /* Add to end of list */
80 72
81 /* Modifiers to DELETE request */ 73 /* Modifiers to DELETE request */
82 #define NLM_F_NONREC 0x100 /* Do not dele 74 #define NLM_F_NONREC 0x100 /* Do not delete recursively */
83 #define NLM_F_BULK 0x200 /* Delete mult <<
84 75
85 /* Flags for ACK message */ 76 /* Flags for ACK message */
86 #define NLM_F_CAPPED 0x100 /* request was 77 #define NLM_F_CAPPED 0x100 /* request was capped */
87 #define NLM_F_ACK_TLVS 0x200 /* extended AC 78 #define NLM_F_ACK_TLVS 0x200 /* extended ACK TVLs were included */
88 79
89 /* 80 /*
90 4.4BSD ADD NLM_F_CREATE|NLM_F_EXC 81 4.4BSD ADD NLM_F_CREATE|NLM_F_EXCL
91 4.4BSD CHANGE NLM_F_REPLACE 82 4.4BSD CHANGE NLM_F_REPLACE
92 83
93 True CHANGE NLM_F_CREATE|NLM_F_REP 84 True CHANGE NLM_F_CREATE|NLM_F_REPLACE
94 Append NLM_F_CREATE 85 Append NLM_F_CREATE
95 Check NLM_F_EXCL 86 Check NLM_F_EXCL
96 */ 87 */
97 88
98 #define NLMSG_ALIGNTO 4U 89 #define NLMSG_ALIGNTO 4U
99 #define NLMSG_ALIGN(len) ( ((len)+NLMSG_ALIGNT 90 #define NLMSG_ALIGN(len) ( ((len)+NLMSG_ALIGNTO-1) & ~(NLMSG_ALIGNTO-1) )
100 #define NLMSG_HDRLEN ((int) NLMSG_ALIGN(si 91 #define NLMSG_HDRLEN ((int) NLMSG_ALIGN(sizeof(struct nlmsghdr)))
101 #define NLMSG_LENGTH(len) ((len) + NLMSG_HDRLE 92 #define NLMSG_LENGTH(len) ((len) + NLMSG_HDRLEN)
102 #define NLMSG_SPACE(len) NLMSG_ALIGN(NLMSG_LEN 93 #define NLMSG_SPACE(len) NLMSG_ALIGN(NLMSG_LENGTH(len))
103 #define NLMSG_DATA(nlh) ((void *)(((char *)nl !! 94 #define NLMSG_DATA(nlh) ((void*)(((char*)nlh) + NLMSG_LENGTH(0)))
104 #define NLMSG_NEXT(nlh,len) ((len) -= NLM 95 #define NLMSG_NEXT(nlh,len) ((len) -= NLMSG_ALIGN((nlh)->nlmsg_len), \
105 (struct nlms !! 96 (struct nlmsghdr*)(((char*)(nlh)) + NLMSG_ALIGN((nlh)->nlmsg_len)))
106 NLMSG_ALIGN( <<
107 #define NLMSG_OK(nlh,len) ((len) >= (int)sizeo 97 #define NLMSG_OK(nlh,len) ((len) >= (int)sizeof(struct nlmsghdr) && \
108 (nlh)->nlmsg_len >= 98 (nlh)->nlmsg_len >= sizeof(struct nlmsghdr) && \
109 (nlh)->nlmsg_len <= 99 (nlh)->nlmsg_len <= (len))
110 #define NLMSG_PAYLOAD(nlh,len) ((nlh)->nlmsg_l 100 #define NLMSG_PAYLOAD(nlh,len) ((nlh)->nlmsg_len - NLMSG_SPACE((len)))
111 101
112 #define NLMSG_NOOP 0x1 /* Not 102 #define NLMSG_NOOP 0x1 /* Nothing. */
113 #define NLMSG_ERROR 0x2 /* Err 103 #define NLMSG_ERROR 0x2 /* Error */
114 #define NLMSG_DONE 0x3 /* End 104 #define NLMSG_DONE 0x3 /* End of a dump */
115 #define NLMSG_OVERRUN 0x4 /* Dat 105 #define NLMSG_OVERRUN 0x4 /* Data lost */
116 106
117 #define NLMSG_MIN_TYPE 0x10 /* < 0 107 #define NLMSG_MIN_TYPE 0x10 /* < 0x10: reserved control messages */
118 108
119 struct nlmsgerr { 109 struct nlmsgerr {
120 int error; 110 int error;
121 struct nlmsghdr msg; 111 struct nlmsghdr msg;
122 /* 112 /*
123 * followed by the message contents un 113 * followed by the message contents unless NETLINK_CAP_ACK was set
124 * or the ACK indicates success (error 114 * or the ACK indicates success (error == 0)
125 * message length is aligned with NLMS 115 * message length is aligned with NLMSG_ALIGN()
126 */ 116 */
127 /* 117 /*
128 * followed by TLVs defined in enum nl 118 * followed by TLVs defined in enum nlmsgerr_attrs
129 * if NETLINK_EXT_ACK was set 119 * if NETLINK_EXT_ACK was set
130 */ 120 */
131 }; 121 };
132 122
133 /** 123 /**
134 * enum nlmsgerr_attrs - nlmsgerr attributes 124 * enum nlmsgerr_attrs - nlmsgerr attributes
135 * @NLMSGERR_ATTR_UNUSED: unused 125 * @NLMSGERR_ATTR_UNUSED: unused
136 * @NLMSGERR_ATTR_MSG: error message string (s 126 * @NLMSGERR_ATTR_MSG: error message string (string)
137 * @NLMSGERR_ATTR_OFFS: offset of the invalid 127 * @NLMSGERR_ATTR_OFFS: offset of the invalid attribute in the original
138 * message, counting from the beginning 128 * message, counting from the beginning of the header (u32)
139 * @NLMSGERR_ATTR_COOKIE: arbitrary subsystem 129 * @NLMSGERR_ATTR_COOKIE: arbitrary subsystem specific cookie to
140 * be used - in the success case - to ide 130 * be used - in the success case - to identify a created
141 * object or operation or similar (binary 131 * object or operation or similar (binary)
142 * @NLMSGERR_ATTR_POLICY: policy for a rejecte <<
143 * @NLMSGERR_ATTR_MISS_TYPE: type of a missing <<
144 * %NLMSGERR_ATTR_MISS_NEST will not be p <<
145 * missing at the message level <<
146 * @NLMSGERR_ATTR_MISS_NEST: offset of the nes <<
147 * @__NLMSGERR_ATTR_MAX: number of attributes 132 * @__NLMSGERR_ATTR_MAX: number of attributes
148 * @NLMSGERR_ATTR_MAX: highest attribute numbe 133 * @NLMSGERR_ATTR_MAX: highest attribute number
149 */ 134 */
150 enum nlmsgerr_attrs { 135 enum nlmsgerr_attrs {
151 NLMSGERR_ATTR_UNUSED, 136 NLMSGERR_ATTR_UNUSED,
152 NLMSGERR_ATTR_MSG, 137 NLMSGERR_ATTR_MSG,
153 NLMSGERR_ATTR_OFFS, 138 NLMSGERR_ATTR_OFFS,
154 NLMSGERR_ATTR_COOKIE, 139 NLMSGERR_ATTR_COOKIE,
155 NLMSGERR_ATTR_POLICY, <<
156 NLMSGERR_ATTR_MISS_TYPE, <<
157 NLMSGERR_ATTR_MISS_NEST, <<
158 140
159 __NLMSGERR_ATTR_MAX, 141 __NLMSGERR_ATTR_MAX,
160 NLMSGERR_ATTR_MAX = __NLMSGERR_ATTR_MA 142 NLMSGERR_ATTR_MAX = __NLMSGERR_ATTR_MAX - 1
161 }; 143 };
162 144
163 #define NETLINK_ADD_MEMBERSHIP 1 145 #define NETLINK_ADD_MEMBERSHIP 1
164 #define NETLINK_DROP_MEMBERSHIP 2 146 #define NETLINK_DROP_MEMBERSHIP 2
165 #define NETLINK_PKTINFO 3 147 #define NETLINK_PKTINFO 3
166 #define NETLINK_BROADCAST_ERROR 4 148 #define NETLINK_BROADCAST_ERROR 4
167 #define NETLINK_NO_ENOBUFS 5 149 #define NETLINK_NO_ENOBUFS 5
168 #ifndef __KERNEL__ 150 #ifndef __KERNEL__
169 #define NETLINK_RX_RING 6 151 #define NETLINK_RX_RING 6
170 #define NETLINK_TX_RING 7 152 #define NETLINK_TX_RING 7
171 #endif 153 #endif
172 #define NETLINK_LISTEN_ALL_NSID 8 154 #define NETLINK_LISTEN_ALL_NSID 8
173 #define NETLINK_LIST_MEMBERSHIPS 9 155 #define NETLINK_LIST_MEMBERSHIPS 9
174 #define NETLINK_CAP_ACK 10 156 #define NETLINK_CAP_ACK 10
175 #define NETLINK_EXT_ACK 11 157 #define NETLINK_EXT_ACK 11
176 #define NETLINK_GET_STRICT_CHK 12 158 #define NETLINK_GET_STRICT_CHK 12
177 159
178 struct nl_pktinfo { 160 struct nl_pktinfo {
179 __u32 group; 161 __u32 group;
180 }; 162 };
181 163
182 struct nl_mmap_req { 164 struct nl_mmap_req {
183 unsigned int nm_block_size; 165 unsigned int nm_block_size;
184 unsigned int nm_block_nr; 166 unsigned int nm_block_nr;
185 unsigned int nm_frame_size; 167 unsigned int nm_frame_size;
186 unsigned int nm_frame_nr; 168 unsigned int nm_frame_nr;
187 }; 169 };
188 170
189 struct nl_mmap_hdr { 171 struct nl_mmap_hdr {
190 unsigned int nm_status; 172 unsigned int nm_status;
191 unsigned int nm_len; 173 unsigned int nm_len;
192 __u32 nm_group; 174 __u32 nm_group;
193 /* credentials */ 175 /* credentials */
194 __u32 nm_pid; 176 __u32 nm_pid;
195 __u32 nm_uid; 177 __u32 nm_uid;
196 __u32 nm_gid; 178 __u32 nm_gid;
197 }; 179 };
198 180
199 #ifndef __KERNEL__ 181 #ifndef __KERNEL__
200 enum nl_mmap_status { 182 enum nl_mmap_status {
201 NL_MMAP_STATUS_UNUSED, 183 NL_MMAP_STATUS_UNUSED,
202 NL_MMAP_STATUS_RESERVED, 184 NL_MMAP_STATUS_RESERVED,
203 NL_MMAP_STATUS_VALID, 185 NL_MMAP_STATUS_VALID,
204 NL_MMAP_STATUS_COPY, 186 NL_MMAP_STATUS_COPY,
205 NL_MMAP_STATUS_SKIP, 187 NL_MMAP_STATUS_SKIP,
206 }; 188 };
207 189
208 #define NL_MMAP_MSG_ALIGNMENT NLMSG_ 190 #define NL_MMAP_MSG_ALIGNMENT NLMSG_ALIGNTO
209 #define NL_MMAP_MSG_ALIGN(sz) __ALIG 191 #define NL_MMAP_MSG_ALIGN(sz) __ALIGN_KERNEL(sz, NL_MMAP_MSG_ALIGNMENT)
210 #define NL_MMAP_HDRLEN NL_MMA 192 #define NL_MMAP_HDRLEN NL_MMAP_MSG_ALIGN(sizeof(struct nl_mmap_hdr))
211 #endif 193 #endif
212 194
213 #define NET_MAJOR 36 /* Major 36 is 195 #define NET_MAJOR 36 /* Major 36 is reserved for networking */
214 196
215 enum { 197 enum {
216 NETLINK_UNCONNECTED = 0, 198 NETLINK_UNCONNECTED = 0,
217 NETLINK_CONNECTED, 199 NETLINK_CONNECTED,
218 }; 200 };
219 201
220 /* 202 /*
221 * <------- NLA_HDRLEN ------> <-- NLA_ALIGN( 203 * <------- NLA_HDRLEN ------> <-- NLA_ALIGN(payload)-->
222 * +---------------------+- - -+- - - - - - - 204 * +---------------------+- - -+- - - - - - - - - -+- - -+
223 * | Header | Pad | Payload 205 * | Header | Pad | Payload | Pad |
224 * | (struct nlattr) | ing | 206 * | (struct nlattr) | ing | | ing |
225 * +---------------------+- - -+- - - - - - - 207 * +---------------------+- - -+- - - - - - - - - -+- - -+
226 * <-------------- nlattr->nla_len ---------- 208 * <-------------- nlattr->nla_len -------------->
227 */ 209 */
228 210
229 struct nlattr { 211 struct nlattr {
230 __u16 nla_len; 212 __u16 nla_len;
231 __u16 nla_type; 213 __u16 nla_type;
232 }; 214 };
233 215
234 /* 216 /*
235 * nla_type (16 bits) 217 * nla_type (16 bits)
236 * +---+---+-------------------------------+ 218 * +---+---+-------------------------------+
237 * | N | O | Attribute Type | 219 * | N | O | Attribute Type |
238 * +---+---+-------------------------------+ 220 * +---+---+-------------------------------+
239 * N := Carries nested attributes 221 * N := Carries nested attributes
240 * O := Payload stored in network byte order 222 * O := Payload stored in network byte order
241 * 223 *
242 * Note: The N and O flag are mutually exclusi 224 * Note: The N and O flag are mutually exclusive.
243 */ 225 */
244 #define NLA_F_NESTED (1 << 15) 226 #define NLA_F_NESTED (1 << 15)
245 #define NLA_F_NET_BYTEORDER (1 << 14) 227 #define NLA_F_NET_BYTEORDER (1 << 14)
246 #define NLA_TYPE_MASK ~(NLA_F_NESTED 228 #define NLA_TYPE_MASK ~(NLA_F_NESTED | NLA_F_NET_BYTEORDER)
247 229
248 #define NLA_ALIGNTO 4 230 #define NLA_ALIGNTO 4
249 #define NLA_ALIGN(len) (((len) + NLA_ 231 #define NLA_ALIGN(len) (((len) + NLA_ALIGNTO - 1) & ~(NLA_ALIGNTO - 1))
250 #define NLA_HDRLEN ((int) NLA_ALI 232 #define NLA_HDRLEN ((int) NLA_ALIGN(sizeof(struct nlattr)))
251 233
252 /* Generic 32 bitflags attribute content sent 234 /* Generic 32 bitflags attribute content sent to the kernel.
253 * 235 *
254 * The value is a bitmap that defines the valu 236 * The value is a bitmap that defines the values being set
255 * The selector is a bitmask that defines whic 237 * The selector is a bitmask that defines which value is legit
256 * 238 *
257 * Examples: 239 * Examples:
258 * value = 0x0, and selector = 0x1 240 * value = 0x0, and selector = 0x1
259 * implies we are selecting bit 1 and we want 241 * implies we are selecting bit 1 and we want to set its value to 0.
260 * 242 *
261 * value = 0x2, and selector = 0x2 243 * value = 0x2, and selector = 0x2
262 * implies we are selecting bit 2 and we want 244 * implies we are selecting bit 2 and we want to set its value to 1.
263 * 245 *
264 */ 246 */
265 struct nla_bitfield32 { 247 struct nla_bitfield32 {
266 __u32 value; 248 __u32 value;
267 __u32 selector; 249 __u32 selector;
268 }; 250 };
269 251
270 /* 252 /*
271 * policy descriptions - it's specific to each 253 * policy descriptions - it's specific to each family how this is used
272 * Normally, it should be retrieved via a dump 254 * Normally, it should be retrieved via a dump inside another attribute
273 * specifying where it applies. 255 * specifying where it applies.
274 */ 256 */
275 257
276 /** 258 /**
277 * enum netlink_attribute_type - type of an at 259 * enum netlink_attribute_type - type of an attribute
278 * @NL_ATTR_TYPE_INVALID: unused 260 * @NL_ATTR_TYPE_INVALID: unused
279 * @NL_ATTR_TYPE_FLAG: flag attribute (present 261 * @NL_ATTR_TYPE_FLAG: flag attribute (present/not present)
280 * @NL_ATTR_TYPE_U8: 8-bit unsigned attribute 262 * @NL_ATTR_TYPE_U8: 8-bit unsigned attribute
281 * @NL_ATTR_TYPE_U16: 16-bit unsigned attribut 263 * @NL_ATTR_TYPE_U16: 16-bit unsigned attribute
282 * @NL_ATTR_TYPE_U32: 32-bit unsigned attribut 264 * @NL_ATTR_TYPE_U32: 32-bit unsigned attribute
283 * @NL_ATTR_TYPE_U64: 64-bit unsigned attribut 265 * @NL_ATTR_TYPE_U64: 64-bit unsigned attribute
284 * @NL_ATTR_TYPE_S8: 8-bit signed attribute 266 * @NL_ATTR_TYPE_S8: 8-bit signed attribute
285 * @NL_ATTR_TYPE_S16: 16-bit signed attribute 267 * @NL_ATTR_TYPE_S16: 16-bit signed attribute
286 * @NL_ATTR_TYPE_S32: 32-bit signed attribute 268 * @NL_ATTR_TYPE_S32: 32-bit signed attribute
287 * @NL_ATTR_TYPE_S64: 64-bit signed attribute 269 * @NL_ATTR_TYPE_S64: 64-bit signed attribute
288 * @NL_ATTR_TYPE_BINARY: binary data, min/max 270 * @NL_ATTR_TYPE_BINARY: binary data, min/max length may be specified
289 * @NL_ATTR_TYPE_STRING: string, min/max lengt 271 * @NL_ATTR_TYPE_STRING: string, min/max length may be specified
290 * @NL_ATTR_TYPE_NUL_STRING: NUL-terminated st 272 * @NL_ATTR_TYPE_NUL_STRING: NUL-terminated string,
291 * min/max length may be specified 273 * min/max length may be specified
292 * @NL_ATTR_TYPE_NESTED: nested, i.e. the cont 274 * @NL_ATTR_TYPE_NESTED: nested, i.e. the content of this attribute
293 * consists of sub-attributes. The nested 275 * consists of sub-attributes. The nested policy and maxtype
294 * inside may be specified. 276 * inside may be specified.
295 * @NL_ATTR_TYPE_NESTED_ARRAY: nested array, i 277 * @NL_ATTR_TYPE_NESTED_ARRAY: nested array, i.e. the content of this
296 * attribute contains sub-attributes whos 278 * attribute contains sub-attributes whose type is irrelevant
297 * (just used to separate the array entri 279 * (just used to separate the array entries) and each such array
298 * entry has attributes again, the policy 280 * entry has attributes again, the policy for those inner ones
299 * and the corresponding maxtype may be s 281 * and the corresponding maxtype may be specified.
300 * @NL_ATTR_TYPE_BITFIELD32: &struct nla_bitfi 282 * @NL_ATTR_TYPE_BITFIELD32: &struct nla_bitfield32 attribute
301 * @NL_ATTR_TYPE_SINT: 32-bit or 64-bit signed <<
302 * @NL_ATTR_TYPE_UINT: 32-bit or 64-bit unsign <<
303 */ 283 */
304 enum netlink_attribute_type { 284 enum netlink_attribute_type {
305 NL_ATTR_TYPE_INVALID, 285 NL_ATTR_TYPE_INVALID,
306 286
307 NL_ATTR_TYPE_FLAG, 287 NL_ATTR_TYPE_FLAG,
308 288
309 NL_ATTR_TYPE_U8, 289 NL_ATTR_TYPE_U8,
310 NL_ATTR_TYPE_U16, 290 NL_ATTR_TYPE_U16,
311 NL_ATTR_TYPE_U32, 291 NL_ATTR_TYPE_U32,
312 NL_ATTR_TYPE_U64, 292 NL_ATTR_TYPE_U64,
313 293
314 NL_ATTR_TYPE_S8, 294 NL_ATTR_TYPE_S8,
315 NL_ATTR_TYPE_S16, 295 NL_ATTR_TYPE_S16,
316 NL_ATTR_TYPE_S32, 296 NL_ATTR_TYPE_S32,
317 NL_ATTR_TYPE_S64, 297 NL_ATTR_TYPE_S64,
318 298
319 NL_ATTR_TYPE_BINARY, 299 NL_ATTR_TYPE_BINARY,
320 NL_ATTR_TYPE_STRING, 300 NL_ATTR_TYPE_STRING,
321 NL_ATTR_TYPE_NUL_STRING, 301 NL_ATTR_TYPE_NUL_STRING,
322 302
323 NL_ATTR_TYPE_NESTED, 303 NL_ATTR_TYPE_NESTED,
324 NL_ATTR_TYPE_NESTED_ARRAY, 304 NL_ATTR_TYPE_NESTED_ARRAY,
325 305
326 NL_ATTR_TYPE_BITFIELD32, 306 NL_ATTR_TYPE_BITFIELD32,
327 <<
328 NL_ATTR_TYPE_SINT, <<
329 NL_ATTR_TYPE_UINT, <<
330 }; 307 };
331 308
332 /** 309 /**
333 * enum netlink_policy_type_attr - policy type 310 * enum netlink_policy_type_attr - policy type attributes
334 * @NL_POLICY_TYPE_ATTR_UNSPEC: unused 311 * @NL_POLICY_TYPE_ATTR_UNSPEC: unused
335 * @NL_POLICY_TYPE_ATTR_TYPE: type of the attr 312 * @NL_POLICY_TYPE_ATTR_TYPE: type of the attribute,
336 * &enum netlink_attribute_type (U32) 313 * &enum netlink_attribute_type (U32)
337 * @NL_POLICY_TYPE_ATTR_MIN_VALUE_S: minimum v 314 * @NL_POLICY_TYPE_ATTR_MIN_VALUE_S: minimum value for signed
338 * integers (S64) 315 * integers (S64)
339 * @NL_POLICY_TYPE_ATTR_MAX_VALUE_S: maximum v 316 * @NL_POLICY_TYPE_ATTR_MAX_VALUE_S: maximum value for signed
340 * integers (S64) 317 * integers (S64)
341 * @NL_POLICY_TYPE_ATTR_MIN_VALUE_U: minimum v 318 * @NL_POLICY_TYPE_ATTR_MIN_VALUE_U: minimum value for unsigned
342 * integers (U64) 319 * integers (U64)
343 * @NL_POLICY_TYPE_ATTR_MAX_VALUE_U: maximum v 320 * @NL_POLICY_TYPE_ATTR_MAX_VALUE_U: maximum value for unsigned
344 * integers (U64) 321 * integers (U64)
345 * @NL_POLICY_TYPE_ATTR_MIN_LENGTH: minimum le 322 * @NL_POLICY_TYPE_ATTR_MIN_LENGTH: minimum length for binary
346 * attributes, no minimum if not given (U 323 * attributes, no minimum if not given (U32)
347 * @NL_POLICY_TYPE_ATTR_MAX_LENGTH: maximum le 324 * @NL_POLICY_TYPE_ATTR_MAX_LENGTH: maximum length for binary
348 * attributes, no maximum if not given (U 325 * attributes, no maximum if not given (U32)
349 * @NL_POLICY_TYPE_ATTR_POLICY_IDX: sub policy 326 * @NL_POLICY_TYPE_ATTR_POLICY_IDX: sub policy for nested and
350 * nested array types (U32) 327 * nested array types (U32)
351 * @NL_POLICY_TYPE_ATTR_POLICY_MAXTYPE: maximu 328 * @NL_POLICY_TYPE_ATTR_POLICY_MAXTYPE: maximum sub policy
352 * attribute for nested and nested array 329 * attribute for nested and nested array types, this can
353 * in theory be < the size of the policy 330 * in theory be < the size of the policy pointed to by
354 * the index, if limited inside the nesti 331 * the index, if limited inside the nesting (U32)
355 * @NL_POLICY_TYPE_ATTR_BITFIELD32_MASK: valid 332 * @NL_POLICY_TYPE_ATTR_BITFIELD32_MASK: valid mask for the
356 * bitfield32 type (U32) 333 * bitfield32 type (U32)
357 * @NL_POLICY_TYPE_ATTR_MASK: mask of valid bi <<
358 * @NL_POLICY_TYPE_ATTR_PAD: pad attribute for 334 * @NL_POLICY_TYPE_ATTR_PAD: pad attribute for 64-bit alignment
359 * <<
360 * @__NL_POLICY_TYPE_ATTR_MAX: number of attri <<
361 * @NL_POLICY_TYPE_ATTR_MAX: highest attribute <<
362 */ 335 */
363 enum netlink_policy_type_attr { 336 enum netlink_policy_type_attr {
364 NL_POLICY_TYPE_ATTR_UNSPEC, 337 NL_POLICY_TYPE_ATTR_UNSPEC,
365 NL_POLICY_TYPE_ATTR_TYPE, 338 NL_POLICY_TYPE_ATTR_TYPE,
366 NL_POLICY_TYPE_ATTR_MIN_VALUE_S, 339 NL_POLICY_TYPE_ATTR_MIN_VALUE_S,
367 NL_POLICY_TYPE_ATTR_MAX_VALUE_S, 340 NL_POLICY_TYPE_ATTR_MAX_VALUE_S,
368 NL_POLICY_TYPE_ATTR_MIN_VALUE_U, 341 NL_POLICY_TYPE_ATTR_MIN_VALUE_U,
369 NL_POLICY_TYPE_ATTR_MAX_VALUE_U, 342 NL_POLICY_TYPE_ATTR_MAX_VALUE_U,
370 NL_POLICY_TYPE_ATTR_MIN_LENGTH, 343 NL_POLICY_TYPE_ATTR_MIN_LENGTH,
371 NL_POLICY_TYPE_ATTR_MAX_LENGTH, 344 NL_POLICY_TYPE_ATTR_MAX_LENGTH,
372 NL_POLICY_TYPE_ATTR_POLICY_IDX, 345 NL_POLICY_TYPE_ATTR_POLICY_IDX,
373 NL_POLICY_TYPE_ATTR_POLICY_MAXTYPE, 346 NL_POLICY_TYPE_ATTR_POLICY_MAXTYPE,
374 NL_POLICY_TYPE_ATTR_BITFIELD32_MASK, 347 NL_POLICY_TYPE_ATTR_BITFIELD32_MASK,
375 NL_POLICY_TYPE_ATTR_PAD, 348 NL_POLICY_TYPE_ATTR_PAD,
376 NL_POLICY_TYPE_ATTR_MASK, <<
377 349
378 /* keep last */ 350 /* keep last */
379 __NL_POLICY_TYPE_ATTR_MAX, 351 __NL_POLICY_TYPE_ATTR_MAX,
380 NL_POLICY_TYPE_ATTR_MAX = __NL_POLICY_ 352 NL_POLICY_TYPE_ATTR_MAX = __NL_POLICY_TYPE_ATTR_MAX - 1
381 }; 353 };
382 354
383 #endif /* _UAPI__LINUX_NETLINK_H */ 355 #endif /* _UAPI__LINUX_NETLINK_H */
384 356
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