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/const.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 (obsolete) */
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_HDRLEN))
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)) + \
106 NLMSG_ALIGN( 97 NLMSG_ALIGN((nlh)->nlmsg_len)))
107 #define NLMSG_OK(nlh,len) ((len) >= (int)sizeo 98 #define NLMSG_OK(nlh,len) ((len) >= (int)sizeof(struct nlmsghdr) && \
108 (nlh)->nlmsg_len >= 99 (nlh)->nlmsg_len >= sizeof(struct nlmsghdr) && \
109 (nlh)->nlmsg_len <= 100 (nlh)->nlmsg_len <= (len))
110 #define NLMSG_PAYLOAD(nlh,len) ((nlh)->nlmsg_l 101 #define NLMSG_PAYLOAD(nlh,len) ((nlh)->nlmsg_len - NLMSG_SPACE((len)))
111 102
112 #define NLMSG_NOOP 0x1 /* Not 103 #define NLMSG_NOOP 0x1 /* Nothing. */
113 #define NLMSG_ERROR 0x2 /* Err 104 #define NLMSG_ERROR 0x2 /* Error */
114 #define NLMSG_DONE 0x3 /* End 105 #define NLMSG_DONE 0x3 /* End of a dump */
115 #define NLMSG_OVERRUN 0x4 /* Dat 106 #define NLMSG_OVERRUN 0x4 /* Data lost */
116 107
117 #define NLMSG_MIN_TYPE 0x10 /* < 0 108 #define NLMSG_MIN_TYPE 0x10 /* < 0x10: reserved control messages */
118 109
119 struct nlmsgerr { 110 struct nlmsgerr {
120 int error; 111 int error;
121 struct nlmsghdr msg; 112 struct nlmsghdr msg;
122 /* 113 /*
123 * followed by the message contents un 114 * followed by the message contents unless NETLINK_CAP_ACK was set
124 * or the ACK indicates success (error 115 * or the ACK indicates success (error == 0)
125 * message length is aligned with NLMS 116 * message length is aligned with NLMSG_ALIGN()
126 */ 117 */
127 /* 118 /*
128 * followed by TLVs defined in enum nl 119 * followed by TLVs defined in enum nlmsgerr_attrs
129 * if NETLINK_EXT_ACK was set 120 * if NETLINK_EXT_ACK was set
130 */ 121 */
131 }; 122 };
132 123
133 /** 124 /**
134 * enum nlmsgerr_attrs - nlmsgerr attributes 125 * enum nlmsgerr_attrs - nlmsgerr attributes
135 * @NLMSGERR_ATTR_UNUSED: unused 126 * @NLMSGERR_ATTR_UNUSED: unused
136 * @NLMSGERR_ATTR_MSG: error message string (s 127 * @NLMSGERR_ATTR_MSG: error message string (string)
137 * @NLMSGERR_ATTR_OFFS: offset of the invalid 128 * @NLMSGERR_ATTR_OFFS: offset of the invalid attribute in the original
138 * message, counting from the beginning 129 * message, counting from the beginning of the header (u32)
139 * @NLMSGERR_ATTR_COOKIE: arbitrary subsystem 130 * @NLMSGERR_ATTR_COOKIE: arbitrary subsystem specific cookie to
140 * be used - in the success case - to ide 131 * be used - in the success case - to identify a created
141 * object or operation or similar (binary 132 * object or operation or similar (binary)
142 * @NLMSGERR_ATTR_POLICY: policy for a rejecte 133 * @NLMSGERR_ATTR_POLICY: policy for a rejected attribute
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 134 * @__NLMSGERR_ATTR_MAX: number of attributes
148 * @NLMSGERR_ATTR_MAX: highest attribute numbe 135 * @NLMSGERR_ATTR_MAX: highest attribute number
149 */ 136 */
150 enum nlmsgerr_attrs { 137 enum nlmsgerr_attrs {
151 NLMSGERR_ATTR_UNUSED, 138 NLMSGERR_ATTR_UNUSED,
152 NLMSGERR_ATTR_MSG, 139 NLMSGERR_ATTR_MSG,
153 NLMSGERR_ATTR_OFFS, 140 NLMSGERR_ATTR_OFFS,
154 NLMSGERR_ATTR_COOKIE, 141 NLMSGERR_ATTR_COOKIE,
155 NLMSGERR_ATTR_POLICY, 142 NLMSGERR_ATTR_POLICY,
156 NLMSGERR_ATTR_MISS_TYPE, <<
157 NLMSGERR_ATTR_MISS_NEST, <<
158 143
159 __NLMSGERR_ATTR_MAX, 144 __NLMSGERR_ATTR_MAX,
160 NLMSGERR_ATTR_MAX = __NLMSGERR_ATTR_MA 145 NLMSGERR_ATTR_MAX = __NLMSGERR_ATTR_MAX - 1
161 }; 146 };
162 147
163 #define NETLINK_ADD_MEMBERSHIP 1 148 #define NETLINK_ADD_MEMBERSHIP 1
164 #define NETLINK_DROP_MEMBERSHIP 2 149 #define NETLINK_DROP_MEMBERSHIP 2
165 #define NETLINK_PKTINFO 3 150 #define NETLINK_PKTINFO 3
166 #define NETLINK_BROADCAST_ERROR 4 151 #define NETLINK_BROADCAST_ERROR 4
167 #define NETLINK_NO_ENOBUFS 5 152 #define NETLINK_NO_ENOBUFS 5
168 #ifndef __KERNEL__ 153 #ifndef __KERNEL__
169 #define NETLINK_RX_RING 6 154 #define NETLINK_RX_RING 6
170 #define NETLINK_TX_RING 7 155 #define NETLINK_TX_RING 7
171 #endif 156 #endif
172 #define NETLINK_LISTEN_ALL_NSID 8 157 #define NETLINK_LISTEN_ALL_NSID 8
173 #define NETLINK_LIST_MEMBERSHIPS 9 158 #define NETLINK_LIST_MEMBERSHIPS 9
174 #define NETLINK_CAP_ACK 10 159 #define NETLINK_CAP_ACK 10
175 #define NETLINK_EXT_ACK 11 160 #define NETLINK_EXT_ACK 11
176 #define NETLINK_GET_STRICT_CHK 12 161 #define NETLINK_GET_STRICT_CHK 12
177 162
178 struct nl_pktinfo { 163 struct nl_pktinfo {
179 __u32 group; 164 __u32 group;
180 }; 165 };
181 166
182 struct nl_mmap_req { 167 struct nl_mmap_req {
183 unsigned int nm_block_size; 168 unsigned int nm_block_size;
184 unsigned int nm_block_nr; 169 unsigned int nm_block_nr;
185 unsigned int nm_frame_size; 170 unsigned int nm_frame_size;
186 unsigned int nm_frame_nr; 171 unsigned int nm_frame_nr;
187 }; 172 };
188 173
189 struct nl_mmap_hdr { 174 struct nl_mmap_hdr {
190 unsigned int nm_status; 175 unsigned int nm_status;
191 unsigned int nm_len; 176 unsigned int nm_len;
192 __u32 nm_group; 177 __u32 nm_group;
193 /* credentials */ 178 /* credentials */
194 __u32 nm_pid; 179 __u32 nm_pid;
195 __u32 nm_uid; 180 __u32 nm_uid;
196 __u32 nm_gid; 181 __u32 nm_gid;
197 }; 182 };
198 183
199 #ifndef __KERNEL__ 184 #ifndef __KERNEL__
200 enum nl_mmap_status { 185 enum nl_mmap_status {
201 NL_MMAP_STATUS_UNUSED, 186 NL_MMAP_STATUS_UNUSED,
202 NL_MMAP_STATUS_RESERVED, 187 NL_MMAP_STATUS_RESERVED,
203 NL_MMAP_STATUS_VALID, 188 NL_MMAP_STATUS_VALID,
204 NL_MMAP_STATUS_COPY, 189 NL_MMAP_STATUS_COPY,
205 NL_MMAP_STATUS_SKIP, 190 NL_MMAP_STATUS_SKIP,
206 }; 191 };
207 192
208 #define NL_MMAP_MSG_ALIGNMENT NLMSG_ 193 #define NL_MMAP_MSG_ALIGNMENT NLMSG_ALIGNTO
209 #define NL_MMAP_MSG_ALIGN(sz) __ALIG 194 #define NL_MMAP_MSG_ALIGN(sz) __ALIGN_KERNEL(sz, NL_MMAP_MSG_ALIGNMENT)
210 #define NL_MMAP_HDRLEN NL_MMA 195 #define NL_MMAP_HDRLEN NL_MMAP_MSG_ALIGN(sizeof(struct nl_mmap_hdr))
211 #endif 196 #endif
212 197
213 #define NET_MAJOR 36 /* Major 36 is 198 #define NET_MAJOR 36 /* Major 36 is reserved for networking */
214 199
215 enum { 200 enum {
216 NETLINK_UNCONNECTED = 0, 201 NETLINK_UNCONNECTED = 0,
217 NETLINK_CONNECTED, 202 NETLINK_CONNECTED,
218 }; 203 };
219 204
220 /* 205 /*
221 * <------- NLA_HDRLEN ------> <-- NLA_ALIGN( 206 * <------- NLA_HDRLEN ------> <-- NLA_ALIGN(payload)-->
222 * +---------------------+- - -+- - - - - - - 207 * +---------------------+- - -+- - - - - - - - - -+- - -+
223 * | Header | Pad | Payload 208 * | Header | Pad | Payload | Pad |
224 * | (struct nlattr) | ing | 209 * | (struct nlattr) | ing | | ing |
225 * +---------------------+- - -+- - - - - - - 210 * +---------------------+- - -+- - - - - - - - - -+- - -+
226 * <-------------- nlattr->nla_len ---------- 211 * <-------------- nlattr->nla_len -------------->
227 */ 212 */
228 213
229 struct nlattr { 214 struct nlattr {
230 __u16 nla_len; 215 __u16 nla_len;
231 __u16 nla_type; 216 __u16 nla_type;
232 }; 217 };
233 218
234 /* 219 /*
235 * nla_type (16 bits) 220 * nla_type (16 bits)
236 * +---+---+-------------------------------+ 221 * +---+---+-------------------------------+
237 * | N | O | Attribute Type | 222 * | N | O | Attribute Type |
238 * +---+---+-------------------------------+ 223 * +---+---+-------------------------------+
239 * N := Carries nested attributes 224 * N := Carries nested attributes
240 * O := Payload stored in network byte order 225 * O := Payload stored in network byte order
241 * 226 *
242 * Note: The N and O flag are mutually exclusi 227 * Note: The N and O flag are mutually exclusive.
243 */ 228 */
244 #define NLA_F_NESTED (1 << 15) 229 #define NLA_F_NESTED (1 << 15)
245 #define NLA_F_NET_BYTEORDER (1 << 14) 230 #define NLA_F_NET_BYTEORDER (1 << 14)
246 #define NLA_TYPE_MASK ~(NLA_F_NESTED 231 #define NLA_TYPE_MASK ~(NLA_F_NESTED | NLA_F_NET_BYTEORDER)
247 232
248 #define NLA_ALIGNTO 4 233 #define NLA_ALIGNTO 4
249 #define NLA_ALIGN(len) (((len) + NLA_ 234 #define NLA_ALIGN(len) (((len) + NLA_ALIGNTO - 1) & ~(NLA_ALIGNTO - 1))
250 #define NLA_HDRLEN ((int) NLA_ALI 235 #define NLA_HDRLEN ((int) NLA_ALIGN(sizeof(struct nlattr)))
251 236
252 /* Generic 32 bitflags attribute content sent 237 /* Generic 32 bitflags attribute content sent to the kernel.
253 * 238 *
254 * The value is a bitmap that defines the valu 239 * The value is a bitmap that defines the values being set
255 * The selector is a bitmask that defines whic 240 * The selector is a bitmask that defines which value is legit
256 * 241 *
257 * Examples: 242 * Examples:
258 * value = 0x0, and selector = 0x1 243 * value = 0x0, and selector = 0x1
259 * implies we are selecting bit 1 and we want 244 * implies we are selecting bit 1 and we want to set its value to 0.
260 * 245 *
261 * value = 0x2, and selector = 0x2 246 * value = 0x2, and selector = 0x2
262 * implies we are selecting bit 2 and we want 247 * implies we are selecting bit 2 and we want to set its value to 1.
263 * 248 *
264 */ 249 */
265 struct nla_bitfield32 { 250 struct nla_bitfield32 {
266 __u32 value; 251 __u32 value;
267 __u32 selector; 252 __u32 selector;
268 }; 253 };
269 254
270 /* 255 /*
271 * policy descriptions - it's specific to each 256 * policy descriptions - it's specific to each family how this is used
272 * Normally, it should be retrieved via a dump 257 * Normally, it should be retrieved via a dump inside another attribute
273 * specifying where it applies. 258 * specifying where it applies.
274 */ 259 */
275 260
276 /** 261 /**
277 * enum netlink_attribute_type - type of an at 262 * enum netlink_attribute_type - type of an attribute
278 * @NL_ATTR_TYPE_INVALID: unused 263 * @NL_ATTR_TYPE_INVALID: unused
279 * @NL_ATTR_TYPE_FLAG: flag attribute (present 264 * @NL_ATTR_TYPE_FLAG: flag attribute (present/not present)
280 * @NL_ATTR_TYPE_U8: 8-bit unsigned attribute 265 * @NL_ATTR_TYPE_U8: 8-bit unsigned attribute
281 * @NL_ATTR_TYPE_U16: 16-bit unsigned attribut 266 * @NL_ATTR_TYPE_U16: 16-bit unsigned attribute
282 * @NL_ATTR_TYPE_U32: 32-bit unsigned attribut 267 * @NL_ATTR_TYPE_U32: 32-bit unsigned attribute
283 * @NL_ATTR_TYPE_U64: 64-bit unsigned attribut 268 * @NL_ATTR_TYPE_U64: 64-bit unsigned attribute
284 * @NL_ATTR_TYPE_S8: 8-bit signed attribute 269 * @NL_ATTR_TYPE_S8: 8-bit signed attribute
285 * @NL_ATTR_TYPE_S16: 16-bit signed attribute 270 * @NL_ATTR_TYPE_S16: 16-bit signed attribute
286 * @NL_ATTR_TYPE_S32: 32-bit signed attribute 271 * @NL_ATTR_TYPE_S32: 32-bit signed attribute
287 * @NL_ATTR_TYPE_S64: 64-bit signed attribute 272 * @NL_ATTR_TYPE_S64: 64-bit signed attribute
288 * @NL_ATTR_TYPE_BINARY: binary data, min/max 273 * @NL_ATTR_TYPE_BINARY: binary data, min/max length may be specified
289 * @NL_ATTR_TYPE_STRING: string, min/max lengt 274 * @NL_ATTR_TYPE_STRING: string, min/max length may be specified
290 * @NL_ATTR_TYPE_NUL_STRING: NUL-terminated st 275 * @NL_ATTR_TYPE_NUL_STRING: NUL-terminated string,
291 * min/max length may be specified 276 * min/max length may be specified
292 * @NL_ATTR_TYPE_NESTED: nested, i.e. the cont 277 * @NL_ATTR_TYPE_NESTED: nested, i.e. the content of this attribute
293 * consists of sub-attributes. The nested 278 * consists of sub-attributes. The nested policy and maxtype
294 * inside may be specified. 279 * inside may be specified.
295 * @NL_ATTR_TYPE_NESTED_ARRAY: nested array, i 280 * @NL_ATTR_TYPE_NESTED_ARRAY: nested array, i.e. the content of this
296 * attribute contains sub-attributes whos 281 * attribute contains sub-attributes whose type is irrelevant
297 * (just used to separate the array entri 282 * (just used to separate the array entries) and each such array
298 * entry has attributes again, the policy 283 * entry has attributes again, the policy for those inner ones
299 * and the corresponding maxtype may be s 284 * and the corresponding maxtype may be specified.
300 * @NL_ATTR_TYPE_BITFIELD32: &struct nla_bitfi 285 * @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 */ 286 */
304 enum netlink_attribute_type { 287 enum netlink_attribute_type {
305 NL_ATTR_TYPE_INVALID, 288 NL_ATTR_TYPE_INVALID,
306 289
307 NL_ATTR_TYPE_FLAG, 290 NL_ATTR_TYPE_FLAG,
308 291
309 NL_ATTR_TYPE_U8, 292 NL_ATTR_TYPE_U8,
310 NL_ATTR_TYPE_U16, 293 NL_ATTR_TYPE_U16,
311 NL_ATTR_TYPE_U32, 294 NL_ATTR_TYPE_U32,
312 NL_ATTR_TYPE_U64, 295 NL_ATTR_TYPE_U64,
313 296
314 NL_ATTR_TYPE_S8, 297 NL_ATTR_TYPE_S8,
315 NL_ATTR_TYPE_S16, 298 NL_ATTR_TYPE_S16,
316 NL_ATTR_TYPE_S32, 299 NL_ATTR_TYPE_S32,
317 NL_ATTR_TYPE_S64, 300 NL_ATTR_TYPE_S64,
318 301
319 NL_ATTR_TYPE_BINARY, 302 NL_ATTR_TYPE_BINARY,
320 NL_ATTR_TYPE_STRING, 303 NL_ATTR_TYPE_STRING,
321 NL_ATTR_TYPE_NUL_STRING, 304 NL_ATTR_TYPE_NUL_STRING,
322 305
323 NL_ATTR_TYPE_NESTED, 306 NL_ATTR_TYPE_NESTED,
324 NL_ATTR_TYPE_NESTED_ARRAY, 307 NL_ATTR_TYPE_NESTED_ARRAY,
325 308
326 NL_ATTR_TYPE_BITFIELD32, 309 NL_ATTR_TYPE_BITFIELD32,
327 <<
328 NL_ATTR_TYPE_SINT, <<
329 NL_ATTR_TYPE_UINT, <<
330 }; 310 };
331 311
332 /** 312 /**
333 * enum netlink_policy_type_attr - policy type 313 * enum netlink_policy_type_attr - policy type attributes
334 * @NL_POLICY_TYPE_ATTR_UNSPEC: unused 314 * @NL_POLICY_TYPE_ATTR_UNSPEC: unused
335 * @NL_POLICY_TYPE_ATTR_TYPE: type of the attr 315 * @NL_POLICY_TYPE_ATTR_TYPE: type of the attribute,
336 * &enum netlink_attribute_type (U32) 316 * &enum netlink_attribute_type (U32)
337 * @NL_POLICY_TYPE_ATTR_MIN_VALUE_S: minimum v 317 * @NL_POLICY_TYPE_ATTR_MIN_VALUE_S: minimum value for signed
338 * integers (S64) 318 * integers (S64)
339 * @NL_POLICY_TYPE_ATTR_MAX_VALUE_S: maximum v 319 * @NL_POLICY_TYPE_ATTR_MAX_VALUE_S: maximum value for signed
340 * integers (S64) 320 * integers (S64)
341 * @NL_POLICY_TYPE_ATTR_MIN_VALUE_U: minimum v 321 * @NL_POLICY_TYPE_ATTR_MIN_VALUE_U: minimum value for unsigned
342 * integers (U64) 322 * integers (U64)
343 * @NL_POLICY_TYPE_ATTR_MAX_VALUE_U: maximum v 323 * @NL_POLICY_TYPE_ATTR_MAX_VALUE_U: maximum value for unsigned
344 * integers (U64) 324 * integers (U64)
345 * @NL_POLICY_TYPE_ATTR_MIN_LENGTH: minimum le 325 * @NL_POLICY_TYPE_ATTR_MIN_LENGTH: minimum length for binary
346 * attributes, no minimum if not given (U 326 * attributes, no minimum if not given (U32)
347 * @NL_POLICY_TYPE_ATTR_MAX_LENGTH: maximum le 327 * @NL_POLICY_TYPE_ATTR_MAX_LENGTH: maximum length for binary
348 * attributes, no maximum if not given (U 328 * attributes, no maximum if not given (U32)
349 * @NL_POLICY_TYPE_ATTR_POLICY_IDX: sub policy 329 * @NL_POLICY_TYPE_ATTR_POLICY_IDX: sub policy for nested and
350 * nested array types (U32) 330 * nested array types (U32)
351 * @NL_POLICY_TYPE_ATTR_POLICY_MAXTYPE: maximu 331 * @NL_POLICY_TYPE_ATTR_POLICY_MAXTYPE: maximum sub policy
352 * attribute for nested and nested array 332 * attribute for nested and nested array types, this can
353 * in theory be < the size of the policy 333 * in theory be < the size of the policy pointed to by
354 * the index, if limited inside the nesti 334 * the index, if limited inside the nesting (U32)
355 * @NL_POLICY_TYPE_ATTR_BITFIELD32_MASK: valid 335 * @NL_POLICY_TYPE_ATTR_BITFIELD32_MASK: valid mask for the
356 * bitfield32 type (U32) 336 * bitfield32 type (U32)
357 * @NL_POLICY_TYPE_ATTR_MASK: mask of valid bi 337 * @NL_POLICY_TYPE_ATTR_MASK: mask of valid bits for unsigned integers (U64)
358 * @NL_POLICY_TYPE_ATTR_PAD: pad attribute for 338 * @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 */ 339 */
363 enum netlink_policy_type_attr { 340 enum netlink_policy_type_attr {
364 NL_POLICY_TYPE_ATTR_UNSPEC, 341 NL_POLICY_TYPE_ATTR_UNSPEC,
365 NL_POLICY_TYPE_ATTR_TYPE, 342 NL_POLICY_TYPE_ATTR_TYPE,
366 NL_POLICY_TYPE_ATTR_MIN_VALUE_S, 343 NL_POLICY_TYPE_ATTR_MIN_VALUE_S,
367 NL_POLICY_TYPE_ATTR_MAX_VALUE_S, 344 NL_POLICY_TYPE_ATTR_MAX_VALUE_S,
368 NL_POLICY_TYPE_ATTR_MIN_VALUE_U, 345 NL_POLICY_TYPE_ATTR_MIN_VALUE_U,
369 NL_POLICY_TYPE_ATTR_MAX_VALUE_U, 346 NL_POLICY_TYPE_ATTR_MAX_VALUE_U,
370 NL_POLICY_TYPE_ATTR_MIN_LENGTH, 347 NL_POLICY_TYPE_ATTR_MIN_LENGTH,
371 NL_POLICY_TYPE_ATTR_MAX_LENGTH, 348 NL_POLICY_TYPE_ATTR_MAX_LENGTH,
372 NL_POLICY_TYPE_ATTR_POLICY_IDX, 349 NL_POLICY_TYPE_ATTR_POLICY_IDX,
373 NL_POLICY_TYPE_ATTR_POLICY_MAXTYPE, 350 NL_POLICY_TYPE_ATTR_POLICY_MAXTYPE,
374 NL_POLICY_TYPE_ATTR_BITFIELD32_MASK, 351 NL_POLICY_TYPE_ATTR_BITFIELD32_MASK,
375 NL_POLICY_TYPE_ATTR_PAD, 352 NL_POLICY_TYPE_ATTR_PAD,
376 NL_POLICY_TYPE_ATTR_MASK, 353 NL_POLICY_TYPE_ATTR_MASK,
377 354
378 /* keep last */ 355 /* keep last */
379 __NL_POLICY_TYPE_ATTR_MAX, 356 __NL_POLICY_TYPE_ATTR_MAX,
380 NL_POLICY_TYPE_ATTR_MAX = __NL_POLICY_ 357 NL_POLICY_TYPE_ATTR_MAX = __NL_POLICY_TYPE_ATTR_MAX - 1
381 }; 358 };
382 359
383 #endif /* _UAPI__LINUX_NETLINK_H */ 360 #endif /* _UAPI__LINUX_NETLINK_H */
384 361
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.