16f52b16cSGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2607ca46eSDavid Howells #ifndef _UAPI__LINUX_NETLINK_H 3607ca46eSDavid Howells #define _UAPI__LINUX_NETLINK_H 4607ca46eSDavid Howells 5ccdfcc39SPatrick McHardy #include <linux/kernel.h> 6607ca46eSDavid Howells #include <linux/socket.h> /* for __kernel_sa_family_t */ 7607ca46eSDavid Howells #include <linux/types.h> 8607ca46eSDavid Howells 9607ca46eSDavid Howells #define NETLINK_ROUTE 0 /* Routing/device hook */ 10607ca46eSDavid Howells #define NETLINK_UNUSED 1 /* Unused number */ 11607ca46eSDavid Howells #define NETLINK_USERSOCK 2 /* Reserved for user mode socket protocols */ 12607ca46eSDavid Howells #define NETLINK_FIREWALL 3 /* Unused number, formerly ip_queue */ 13607ca46eSDavid Howells #define NETLINK_SOCK_DIAG 4 /* socket monitoring */ 14607ca46eSDavid Howells #define NETLINK_NFLOG 5 /* netfilter/iptables ULOG */ 15607ca46eSDavid Howells #define NETLINK_XFRM 6 /* ipsec */ 16607ca46eSDavid Howells #define NETLINK_SELINUX 7 /* SELinux event notifications */ 17607ca46eSDavid Howells #define NETLINK_ISCSI 8 /* Open-iSCSI */ 18607ca46eSDavid Howells #define NETLINK_AUDIT 9 /* auditing */ 19607ca46eSDavid Howells #define NETLINK_FIB_LOOKUP 10 20607ca46eSDavid Howells #define NETLINK_CONNECTOR 11 21607ca46eSDavid Howells #define NETLINK_NETFILTER 12 /* netfilter subsystem */ 22607ca46eSDavid Howells #define NETLINK_IP6_FW 13 23607ca46eSDavid Howells #define NETLINK_DNRTMSG 14 /* DECnet routing messages */ 24607ca46eSDavid Howells #define NETLINK_KOBJECT_UEVENT 15 /* Kernel messages to userspace */ 25607ca46eSDavid Howells #define NETLINK_GENERIC 16 26607ca46eSDavid Howells /* leave room for NETLINK_DM (DM Events) */ 27607ca46eSDavid Howells #define NETLINK_SCSITRANSPORT 18 /* SCSI Transports */ 28607ca46eSDavid Howells #define NETLINK_ECRYPTFS 19 29607ca46eSDavid Howells #define NETLINK_RDMA 20 30607ca46eSDavid Howells #define NETLINK_CRYPTO 21 /* Crypto layer */ 31f16a7dd5SUrsula Braun #define NETLINK_SMC 22 /* SMC monitoring */ 32607ca46eSDavid Howells 33607ca46eSDavid Howells #define NETLINK_INET_DIAG NETLINK_SOCK_DIAG 34607ca46eSDavid Howells 35607ca46eSDavid Howells #define MAX_LINKS 32 36607ca46eSDavid Howells 37607ca46eSDavid Howells struct sockaddr_nl { 38607ca46eSDavid Howells __kernel_sa_family_t nl_family; /* AF_NETLINK */ 39607ca46eSDavid Howells unsigned short nl_pad; /* zero */ 40607ca46eSDavid Howells __u32 nl_pid; /* port ID */ 41607ca46eSDavid Howells __u32 nl_groups; /* multicast groups mask */ 42607ca46eSDavid Howells }; 43607ca46eSDavid Howells 44607ca46eSDavid Howells struct nlmsghdr { 45607ca46eSDavid Howells __u32 nlmsg_len; /* Length of message including header */ 46607ca46eSDavid Howells __u16 nlmsg_type; /* Message content */ 47607ca46eSDavid Howells __u16 nlmsg_flags; /* Additional flags */ 48607ca46eSDavid Howells __u32 nlmsg_seq; /* Sequence number */ 49607ca46eSDavid Howells __u32 nlmsg_pid; /* Sending process port ID */ 50607ca46eSDavid Howells }; 51607ca46eSDavid Howells 52607ca46eSDavid Howells /* Flags values */ 53607ca46eSDavid Howells 54261a0a54SJohannes Berg #define NLM_F_REQUEST 0x01 /* It is request message. */ 55261a0a54SJohannes Berg #define NLM_F_MULTI 0x02 /* Multipart message, terminated by NLMSG_DONE */ 56261a0a54SJohannes Berg #define NLM_F_ACK 0x04 /* Reply with ack, with zero or error code */ 57261a0a54SJohannes Berg #define NLM_F_ECHO 0x08 /* Echo this request */ 58261a0a54SJohannes Berg #define NLM_F_DUMP_INTR 0x10 /* Dump was inconsistent due to sequence change */ 59261a0a54SJohannes Berg #define NLM_F_DUMP_FILTERED 0x20 /* Dump was filtered as requested */ 60607ca46eSDavid Howells 61607ca46eSDavid Howells /* Modifiers to GET request */ 62607ca46eSDavid Howells #define NLM_F_ROOT 0x100 /* specify tree root */ 63607ca46eSDavid Howells #define NLM_F_MATCH 0x200 /* return all matching */ 64607ca46eSDavid Howells #define NLM_F_ATOMIC 0x400 /* atomic GET */ 65607ca46eSDavid Howells #define NLM_F_DUMP (NLM_F_ROOT|NLM_F_MATCH) 66607ca46eSDavid Howells 67607ca46eSDavid Howells /* Modifiers to NEW request */ 68607ca46eSDavid Howells #define NLM_F_REPLACE 0x100 /* Override existing */ 69607ca46eSDavid Howells #define NLM_F_EXCL 0x200 /* Do not touch, if it exists */ 70607ca46eSDavid Howells #define NLM_F_CREATE 0x400 /* Create, if it does not exist */ 71607ca46eSDavid Howells #define NLM_F_APPEND 0x800 /* Add to end of list */ 72607ca46eSDavid Howells 732335ba70SPablo Neira Ayuso /* Modifiers to DELETE request */ 742335ba70SPablo Neira Ayuso #define NLM_F_NONREC 0x100 /* Do not delete recursively */ 752335ba70SPablo Neira Ayuso 762d4bc933SJohannes Berg /* Flags for ACK message */ 772d4bc933SJohannes Berg #define NLM_F_CAPPED 0x100 /* request was capped */ 782d4bc933SJohannes Berg #define NLM_F_ACK_TLVS 0x200 /* extended ACK TVLs were included */ 792d4bc933SJohannes Berg 80607ca46eSDavid Howells /* 81607ca46eSDavid Howells 4.4BSD ADD NLM_F_CREATE|NLM_F_EXCL 82607ca46eSDavid Howells 4.4BSD CHANGE NLM_F_REPLACE 83607ca46eSDavid Howells 84607ca46eSDavid Howells True CHANGE NLM_F_CREATE|NLM_F_REPLACE 85607ca46eSDavid Howells Append NLM_F_CREATE 86607ca46eSDavid Howells Check NLM_F_EXCL 87607ca46eSDavid Howells */ 88607ca46eSDavid Howells 89607ca46eSDavid Howells #define NLMSG_ALIGNTO 4U 90607ca46eSDavid Howells #define NLMSG_ALIGN(len) ( ((len)+NLMSG_ALIGNTO-1) & ~(NLMSG_ALIGNTO-1) ) 91607ca46eSDavid Howells #define NLMSG_HDRLEN ((int) NLMSG_ALIGN(sizeof(struct nlmsghdr))) 92a88b9ce5SHong zhi guo #define NLMSG_LENGTH(len) ((len) + NLMSG_HDRLEN) 93607ca46eSDavid Howells #define NLMSG_SPACE(len) NLMSG_ALIGN(NLMSG_LENGTH(len)) 94607ca46eSDavid Howells #define NLMSG_DATA(nlh) ((void*)(((char*)nlh) + NLMSG_LENGTH(0))) 95607ca46eSDavid Howells #define NLMSG_NEXT(nlh,len) ((len) -= NLMSG_ALIGN((nlh)->nlmsg_len), \ 96607ca46eSDavid Howells (struct nlmsghdr*)(((char*)(nlh)) + NLMSG_ALIGN((nlh)->nlmsg_len))) 97607ca46eSDavid Howells #define NLMSG_OK(nlh,len) ((len) >= (int)sizeof(struct nlmsghdr) && \ 98607ca46eSDavid Howells (nlh)->nlmsg_len >= sizeof(struct nlmsghdr) && \ 99607ca46eSDavid Howells (nlh)->nlmsg_len <= (len)) 100607ca46eSDavid Howells #define NLMSG_PAYLOAD(nlh,len) ((nlh)->nlmsg_len - NLMSG_SPACE((len))) 101607ca46eSDavid Howells 102607ca46eSDavid Howells #define NLMSG_NOOP 0x1 /* Nothing. */ 103607ca46eSDavid Howells #define NLMSG_ERROR 0x2 /* Error */ 104607ca46eSDavid Howells #define NLMSG_DONE 0x3 /* End of a dump */ 105607ca46eSDavid Howells #define NLMSG_OVERRUN 0x4 /* Data lost */ 106607ca46eSDavid Howells 107607ca46eSDavid Howells #define NLMSG_MIN_TYPE 0x10 /* < 0x10: reserved control messages */ 108607ca46eSDavid Howells 109607ca46eSDavid Howells struct nlmsgerr { 110607ca46eSDavid Howells int error; 111607ca46eSDavid Howells struct nlmsghdr msg; 1122d4bc933SJohannes Berg /* 1132d4bc933SJohannes Berg * followed by the message contents unless NETLINK_CAP_ACK was set 1142d4bc933SJohannes Berg * or the ACK indicates success (error == 0) 1152d4bc933SJohannes Berg * message length is aligned with NLMSG_ALIGN() 1162d4bc933SJohannes Berg */ 1172d4bc933SJohannes Berg /* 1182d4bc933SJohannes Berg * followed by TLVs defined in enum nlmsgerr_attrs 1192d4bc933SJohannes Berg * if NETLINK_EXT_ACK was set 1202d4bc933SJohannes Berg */ 1212d4bc933SJohannes Berg }; 1222d4bc933SJohannes Berg 1232d4bc933SJohannes Berg /** 1242d4bc933SJohannes Berg * enum nlmsgerr_attrs - nlmsgerr attributes 1252d4bc933SJohannes Berg * @NLMSGERR_ATTR_UNUSED: unused 1262d4bc933SJohannes Berg * @NLMSGERR_ATTR_MSG: error message string (string) 1272d4bc933SJohannes Berg * @NLMSGERR_ATTR_OFFS: offset of the invalid attribute in the original 1282d4bc933SJohannes Berg * message, counting from the beginning of the header (u32) 129ba0dc5f6SJohannes Berg * @NLMSGERR_ATTR_COOKIE: arbitrary subsystem specific cookie to 130ba0dc5f6SJohannes Berg * be used - in the success case - to identify a created 131ba0dc5f6SJohannes Berg * object or operation or similar (binary) 1322d4bc933SJohannes Berg * @__NLMSGERR_ATTR_MAX: number of attributes 1332d4bc933SJohannes Berg * @NLMSGERR_ATTR_MAX: highest attribute number 1342d4bc933SJohannes Berg */ 1352d4bc933SJohannes Berg enum nlmsgerr_attrs { 1362d4bc933SJohannes Berg NLMSGERR_ATTR_UNUSED, 1372d4bc933SJohannes Berg NLMSGERR_ATTR_MSG, 1382d4bc933SJohannes Berg NLMSGERR_ATTR_OFFS, 139ba0dc5f6SJohannes Berg NLMSGERR_ATTR_COOKIE, 1402d4bc933SJohannes Berg 1412d4bc933SJohannes Berg __NLMSGERR_ATTR_MAX, 1422d4bc933SJohannes Berg NLMSGERR_ATTR_MAX = __NLMSGERR_ATTR_MAX - 1 143607ca46eSDavid Howells }; 144607ca46eSDavid Howells 145607ca46eSDavid Howells #define NETLINK_ADD_MEMBERSHIP 1 146607ca46eSDavid Howells #define NETLINK_DROP_MEMBERSHIP 2 147607ca46eSDavid Howells #define NETLINK_PKTINFO 3 148607ca46eSDavid Howells #define NETLINK_BROADCAST_ERROR 4 149607ca46eSDavid Howells #define NETLINK_NO_ENOBUFS 5 150d1b4c689SFlorian Westphal #ifndef __KERNEL__ 151ccdfcc39SPatrick McHardy #define NETLINK_RX_RING 6 152ccdfcc39SPatrick McHardy #define NETLINK_TX_RING 7 153d1b4c689SFlorian Westphal #endif 15459324cf3SNicolas Dichtel #define NETLINK_LISTEN_ALL_NSID 8 155b42be38bSDavid Herrmann #define NETLINK_LIST_MEMBERSHIPS 9 1560a6a3a23SChristophe Ricard #define NETLINK_CAP_ACK 10 1572d4bc933SJohannes Berg #define NETLINK_EXT_ACK 11 158d3e8869eSJakub Kicinski #define NETLINK_GET_STRICT_CHK 12 159607ca46eSDavid Howells 160607ca46eSDavid Howells struct nl_pktinfo { 161607ca46eSDavid Howells __u32 group; 162607ca46eSDavid Howells }; 163607ca46eSDavid Howells 164ccdfcc39SPatrick McHardy struct nl_mmap_req { 165ccdfcc39SPatrick McHardy unsigned int nm_block_size; 166ccdfcc39SPatrick McHardy unsigned int nm_block_nr; 167ccdfcc39SPatrick McHardy unsigned int nm_frame_size; 168ccdfcc39SPatrick McHardy unsigned int nm_frame_nr; 169ccdfcc39SPatrick McHardy }; 170ccdfcc39SPatrick McHardy 171ccdfcc39SPatrick McHardy struct nl_mmap_hdr { 172ccdfcc39SPatrick McHardy unsigned int nm_status; 173ccdfcc39SPatrick McHardy unsigned int nm_len; 174ccdfcc39SPatrick McHardy __u32 nm_group; 175ccdfcc39SPatrick McHardy /* credentials */ 176ccdfcc39SPatrick McHardy __u32 nm_pid; 177ccdfcc39SPatrick McHardy __u32 nm_uid; 178ccdfcc39SPatrick McHardy __u32 nm_gid; 179ccdfcc39SPatrick McHardy }; 180ccdfcc39SPatrick McHardy 181d1b4c689SFlorian Westphal #ifndef __KERNEL__ 182ccdfcc39SPatrick McHardy enum nl_mmap_status { 183ccdfcc39SPatrick McHardy NL_MMAP_STATUS_UNUSED, 184ccdfcc39SPatrick McHardy NL_MMAP_STATUS_RESERVED, 185ccdfcc39SPatrick McHardy NL_MMAP_STATUS_VALID, 186ccdfcc39SPatrick McHardy NL_MMAP_STATUS_COPY, 187ccdfcc39SPatrick McHardy NL_MMAP_STATUS_SKIP, 188ccdfcc39SPatrick McHardy }; 189ccdfcc39SPatrick McHardy 190ccdfcc39SPatrick McHardy #define NL_MMAP_MSG_ALIGNMENT NLMSG_ALIGNTO 191ccdfcc39SPatrick McHardy #define NL_MMAP_MSG_ALIGN(sz) __ALIGN_KERNEL(sz, NL_MMAP_MSG_ALIGNMENT) 192ccdfcc39SPatrick McHardy #define NL_MMAP_HDRLEN NL_MMAP_MSG_ALIGN(sizeof(struct nl_mmap_hdr)) 193d1b4c689SFlorian Westphal #endif 194ccdfcc39SPatrick McHardy 195607ca46eSDavid Howells #define NET_MAJOR 36 /* Major 36 is reserved for networking */ 196607ca46eSDavid Howells 197607ca46eSDavid Howells enum { 198607ca46eSDavid Howells NETLINK_UNCONNECTED = 0, 199607ca46eSDavid Howells NETLINK_CONNECTED, 200607ca46eSDavid Howells }; 201607ca46eSDavid Howells 202607ca46eSDavid Howells /* 203607ca46eSDavid Howells * <------- NLA_HDRLEN ------> <-- NLA_ALIGN(payload)--> 204607ca46eSDavid Howells * +---------------------+- - -+- - - - - - - - - -+- - -+ 205607ca46eSDavid Howells * | Header | Pad | Payload | Pad | 206607ca46eSDavid Howells * | (struct nlattr) | ing | | ing | 207607ca46eSDavid Howells * +---------------------+- - -+- - - - - - - - - -+- - -+ 208607ca46eSDavid Howells * <-------------- nlattr->nla_len --------------> 209607ca46eSDavid Howells */ 210607ca46eSDavid Howells 211607ca46eSDavid Howells struct nlattr { 212607ca46eSDavid Howells __u16 nla_len; 213607ca46eSDavid Howells __u16 nla_type; 214607ca46eSDavid Howells }; 215607ca46eSDavid Howells 216607ca46eSDavid Howells /* 217607ca46eSDavid Howells * nla_type (16 bits) 218607ca46eSDavid Howells * +---+---+-------------------------------+ 219607ca46eSDavid Howells * | N | O | Attribute Type | 220607ca46eSDavid Howells * +---+---+-------------------------------+ 221607ca46eSDavid Howells * N := Carries nested attributes 222607ca46eSDavid Howells * O := Payload stored in network byte order 223607ca46eSDavid Howells * 224607ca46eSDavid Howells * Note: The N and O flag are mutually exclusive. 225607ca46eSDavid Howells */ 226607ca46eSDavid Howells #define NLA_F_NESTED (1 << 15) 227607ca46eSDavid Howells #define NLA_F_NET_BYTEORDER (1 << 14) 228607ca46eSDavid Howells #define NLA_TYPE_MASK ~(NLA_F_NESTED | NLA_F_NET_BYTEORDER) 229607ca46eSDavid Howells 230607ca46eSDavid Howells #define NLA_ALIGNTO 4 231607ca46eSDavid Howells #define NLA_ALIGN(len) (((len) + NLA_ALIGNTO - 1) & ~(NLA_ALIGNTO - 1)) 232607ca46eSDavid Howells #define NLA_HDRLEN ((int) NLA_ALIGN(sizeof(struct nlattr))) 233607ca46eSDavid Howells 23464c83d83SJamal Hadi Salim /* Generic 32 bitflags attribute content sent to the kernel. 23564c83d83SJamal Hadi Salim * 23664c83d83SJamal Hadi Salim * The value is a bitmap that defines the values being set 23764c83d83SJamal Hadi Salim * The selector is a bitmask that defines which value is legit 23864c83d83SJamal Hadi Salim * 23964c83d83SJamal Hadi Salim * Examples: 24064c83d83SJamal Hadi Salim * value = 0x0, and selector = 0x1 24164c83d83SJamal Hadi Salim * implies we are selecting bit 1 and we want to set its value to 0. 24264c83d83SJamal Hadi Salim * 24364c83d83SJamal Hadi Salim * value = 0x2, and selector = 0x2 24464c83d83SJamal Hadi Salim * implies we are selecting bit 2 and we want to set its value to 1. 24564c83d83SJamal Hadi Salim * 24664c83d83SJamal Hadi Salim */ 24764c83d83SJamal Hadi Salim struct nla_bitfield32 { 24864c83d83SJamal Hadi Salim __u32 value; 24964c83d83SJamal Hadi Salim __u32 selector; 25064c83d83SJamal Hadi Salim }; 251607ca46eSDavid Howells 252d07dcf9aSJohannes Berg /* 253d07dcf9aSJohannes Berg * policy descriptions - it's specific to each family how this is used 254d07dcf9aSJohannes Berg * Normally, it should be retrieved via a dump inside another attribute 255d07dcf9aSJohannes Berg * specifying where it applies. 256d07dcf9aSJohannes Berg */ 257d07dcf9aSJohannes Berg 258d07dcf9aSJohannes Berg /** 259d07dcf9aSJohannes Berg * enum netlink_attribute_type - type of an attribute 260d07dcf9aSJohannes Berg * @NL_ATTR_TYPE_INVALID: unused 261d07dcf9aSJohannes Berg * @NL_ATTR_TYPE_FLAG: flag attribute (present/not present) 262d07dcf9aSJohannes Berg * @NL_ATTR_TYPE_U8: 8-bit unsigned attribute 263d07dcf9aSJohannes Berg * @NL_ATTR_TYPE_U16: 16-bit unsigned attribute 264d07dcf9aSJohannes Berg * @NL_ATTR_TYPE_U32: 32-bit unsigned attribute 265d07dcf9aSJohannes Berg * @NL_ATTR_TYPE_U64: 64-bit unsigned attribute 266d07dcf9aSJohannes Berg * @NL_ATTR_TYPE_S8: 8-bit signed attribute 267d07dcf9aSJohannes Berg * @NL_ATTR_TYPE_S16: 16-bit signed attribute 268d07dcf9aSJohannes Berg * @NL_ATTR_TYPE_S32: 32-bit signed attribute 269d07dcf9aSJohannes Berg * @NL_ATTR_TYPE_S64: 64-bit signed attribute 270d07dcf9aSJohannes Berg * @NL_ATTR_TYPE_BINARY: binary data, min/max length may be specified 271d07dcf9aSJohannes Berg * @NL_ATTR_TYPE_STRING: string, min/max length may be specified 272d07dcf9aSJohannes Berg * @NL_ATTR_TYPE_NUL_STRING: NUL-terminated string, 273d07dcf9aSJohannes Berg * min/max length may be specified 274d07dcf9aSJohannes Berg * @NL_ATTR_TYPE_NESTED: nested, i.e. the content of this attribute 275d07dcf9aSJohannes Berg * consists of sub-attributes. The nested policy and maxtype 276d07dcf9aSJohannes Berg * inside may be specified. 277d07dcf9aSJohannes Berg * @NL_ATTR_TYPE_NESTED_ARRAY: nested array, i.e. the content of this 278d07dcf9aSJohannes Berg * attribute contains sub-attributes whose type is irrelevant 279d07dcf9aSJohannes Berg * (just used to separate the array entries) and each such array 280d07dcf9aSJohannes Berg * entry has attributes again, the policy for those inner ones 281d07dcf9aSJohannes Berg * and the corresponding maxtype may be specified. 282d07dcf9aSJohannes Berg * @NL_ATTR_TYPE_BITFIELD32: &struct nla_bitfield32 attribute 283d07dcf9aSJohannes Berg */ 284d07dcf9aSJohannes Berg enum netlink_attribute_type { 285d07dcf9aSJohannes Berg NL_ATTR_TYPE_INVALID, 286d07dcf9aSJohannes Berg 287d07dcf9aSJohannes Berg NL_ATTR_TYPE_FLAG, 288d07dcf9aSJohannes Berg 289d07dcf9aSJohannes Berg NL_ATTR_TYPE_U8, 290d07dcf9aSJohannes Berg NL_ATTR_TYPE_U16, 291d07dcf9aSJohannes Berg NL_ATTR_TYPE_U32, 292d07dcf9aSJohannes Berg NL_ATTR_TYPE_U64, 293d07dcf9aSJohannes Berg 294d07dcf9aSJohannes Berg NL_ATTR_TYPE_S8, 295d07dcf9aSJohannes Berg NL_ATTR_TYPE_S16, 296d07dcf9aSJohannes Berg NL_ATTR_TYPE_S32, 297d07dcf9aSJohannes Berg NL_ATTR_TYPE_S64, 298d07dcf9aSJohannes Berg 299d07dcf9aSJohannes Berg NL_ATTR_TYPE_BINARY, 300d07dcf9aSJohannes Berg NL_ATTR_TYPE_STRING, 301d07dcf9aSJohannes Berg NL_ATTR_TYPE_NUL_STRING, 302d07dcf9aSJohannes Berg 303d07dcf9aSJohannes Berg NL_ATTR_TYPE_NESTED, 304d07dcf9aSJohannes Berg NL_ATTR_TYPE_NESTED_ARRAY, 305d07dcf9aSJohannes Berg 306d07dcf9aSJohannes Berg NL_ATTR_TYPE_BITFIELD32, 307d07dcf9aSJohannes Berg }; 308d07dcf9aSJohannes Berg 309d07dcf9aSJohannes Berg /** 310d07dcf9aSJohannes Berg * enum netlink_policy_type_attr - policy type attributes 311d07dcf9aSJohannes Berg * @NL_POLICY_TYPE_ATTR_UNSPEC: unused 312d07dcf9aSJohannes Berg * @NL_POLICY_TYPE_ATTR_TYPE: type of the attribute, 313d07dcf9aSJohannes Berg * &enum netlink_attribute_type (U32) 314d07dcf9aSJohannes Berg * @NL_POLICY_TYPE_ATTR_MIN_VALUE_S: minimum value for signed 315d07dcf9aSJohannes Berg * integers (S64) 316d07dcf9aSJohannes Berg * @NL_POLICY_TYPE_ATTR_MAX_VALUE_S: maximum value for signed 317d07dcf9aSJohannes Berg * integers (S64) 318d07dcf9aSJohannes Berg * @NL_POLICY_TYPE_ATTR_MIN_VALUE_U: minimum value for unsigned 319d07dcf9aSJohannes Berg * integers (U64) 320d07dcf9aSJohannes Berg * @NL_POLICY_TYPE_ATTR_MAX_VALUE_U: maximum value for unsigned 321d07dcf9aSJohannes Berg * integers (U64) 322d07dcf9aSJohannes Berg * @NL_POLICY_TYPE_ATTR_MIN_LENGTH: minimum length for binary 323d07dcf9aSJohannes Berg * attributes, no minimum if not given (U32) 324d07dcf9aSJohannes Berg * @NL_POLICY_TYPE_ATTR_MAX_LENGTH: maximum length for binary 325d07dcf9aSJohannes Berg * attributes, no maximum if not given (U32) 326d07dcf9aSJohannes Berg * @NL_POLICY_TYPE_ATTR_POLICY_IDX: sub policy for nested and 327d07dcf9aSJohannes Berg * nested array types (U32) 328d07dcf9aSJohannes Berg * @NL_POLICY_TYPE_ATTR_POLICY_MAXTYPE: maximum sub policy 329d07dcf9aSJohannes Berg * attribute for nested and nested array types, this can 330d07dcf9aSJohannes Berg * in theory be < the size of the policy pointed to by 331d07dcf9aSJohannes Berg * the index, if limited inside the nesting (U32) 332d07dcf9aSJohannes Berg * @NL_POLICY_TYPE_ATTR_BITFIELD32_MASK: valid mask for the 333d07dcf9aSJohannes Berg * bitfield32 type (U32) 334*bdbb4e29SJakub Kicinski * @NL_POLICY_TYPE_ATTR_MASK: mask of valid bits for unsigned integers (U64) 335d07dcf9aSJohannes Berg * @NL_POLICY_TYPE_ATTR_PAD: pad attribute for 64-bit alignment 336d07dcf9aSJohannes Berg */ 337d07dcf9aSJohannes Berg enum netlink_policy_type_attr { 338d07dcf9aSJohannes Berg NL_POLICY_TYPE_ATTR_UNSPEC, 339d07dcf9aSJohannes Berg NL_POLICY_TYPE_ATTR_TYPE, 340d07dcf9aSJohannes Berg NL_POLICY_TYPE_ATTR_MIN_VALUE_S, 341d07dcf9aSJohannes Berg NL_POLICY_TYPE_ATTR_MAX_VALUE_S, 342d07dcf9aSJohannes Berg NL_POLICY_TYPE_ATTR_MIN_VALUE_U, 343d07dcf9aSJohannes Berg NL_POLICY_TYPE_ATTR_MAX_VALUE_U, 344d07dcf9aSJohannes Berg NL_POLICY_TYPE_ATTR_MIN_LENGTH, 345d07dcf9aSJohannes Berg NL_POLICY_TYPE_ATTR_MAX_LENGTH, 346d07dcf9aSJohannes Berg NL_POLICY_TYPE_ATTR_POLICY_IDX, 347d07dcf9aSJohannes Berg NL_POLICY_TYPE_ATTR_POLICY_MAXTYPE, 348d07dcf9aSJohannes Berg NL_POLICY_TYPE_ATTR_BITFIELD32_MASK, 349d07dcf9aSJohannes Berg NL_POLICY_TYPE_ATTR_PAD, 350*bdbb4e29SJakub Kicinski NL_POLICY_TYPE_ATTR_MASK, 351d07dcf9aSJohannes Berg 352d07dcf9aSJohannes Berg /* keep last */ 353d07dcf9aSJohannes Berg __NL_POLICY_TYPE_ATTR_MAX, 354d07dcf9aSJohannes Berg NL_POLICY_TYPE_ATTR_MAX = __NL_POLICY_TYPE_ATTR_MAX - 1 355d07dcf9aSJohannes Berg }; 356d07dcf9aSJohannes Berg 357607ca46eSDavid Howells #endif /* _UAPI__LINUX_NETLINK_H */ 358