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sync: sync networking UAPI headers

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Some of them were outdated, again due to originally using UAPI headers
from tools/ subdirectory in Linux repo.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
This commit is contained in:
Andrii Nakryiko
2025-08-26 14:35:57 -07:00
committed by Andrii Nakryiko
parent 289e4a2160
commit 0c33cc07f1
4 changed files with 656 additions and 36 deletions
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151
include/uapi/linux/netlink.h
View File

@@ -2,7 +2,7 @@
#ifndef __LINUX_NETLINK_H
#define __LINUX_NETLINK_H
#include <linux/kernel.h>
#include <linux/const.h>
#include <linux/socket.h> /* for __kernel_sa_family_t */
#include <linux/types.h>
@@ -20,7 +20,7 @@
#define NETLINK_CONNECTOR 11
#define NETLINK_NETFILTER 12 /* netfilter subsystem */
#define NETLINK_IP6_FW 13
#define NETLINK_DNRTMSG 14 /* DECnet routing messages */
#define NETLINK_DNRTMSG 14 /* DECnet routing messages (obsolete) */
#define NETLINK_KOBJECT_UEVENT 15 /* Kernel messages to userspace */
#define NETLINK_GENERIC 16
/* leave room for NETLINK_DM (DM Events) */
@@ -41,12 +41,20 @@ struct sockaddr_nl {
__u32 nl_groups; /* multicast groups mask */
};
/**
* struct nlmsghdr - fixed format metadata header of Netlink messages
* @nlmsg_len: Length of message including header
* @nlmsg_type: Message content type
* @nlmsg_flags: Additional flags
* @nlmsg_seq: Sequence number
* @nlmsg_pid: Sending process port ID
*/
struct nlmsghdr {
__u32 nlmsg_len; /* Length of message including header */
__u16 nlmsg_type; /* Message content */
__u16 nlmsg_flags; /* Additional flags */
__u32 nlmsg_seq; /* Sequence number */
__u32 nlmsg_pid; /* Sending process port ID */
__u32 nlmsg_len;
__u16 nlmsg_type;
__u16 nlmsg_flags;
__u32 nlmsg_seq;
__u32 nlmsg_pid;
};
/* Flags values */
@@ -54,7 +62,7 @@ struct nlmsghdr {
#define NLM_F_REQUEST 0x01 /* It is request message. */
#define NLM_F_MULTI 0x02 /* Multipart message, terminated by NLMSG_DONE */
#define NLM_F_ACK 0x04 /* Reply with ack, with zero or error code */
#define NLM_F_ECHO 0x08 /* Echo this request */
#define NLM_F_ECHO 0x08 /* Receive resulting notifications */
#define NLM_F_DUMP_INTR 0x10 /* Dump was inconsistent due to sequence change */
#define NLM_F_DUMP_FILTERED 0x20 /* Dump was filtered as requested */
@@ -72,6 +80,7 @@ struct nlmsghdr {
/* Modifiers to DELETE request */
#define NLM_F_NONREC 0x100 /* Do not delete recursively */
#define NLM_F_BULK 0x200 /* Delete multiple objects */
/* Flags for ACK message */
#define NLM_F_CAPPED 0x100 /* request was capped */
@@ -91,9 +100,10 @@ struct nlmsghdr {
#define NLMSG_HDRLEN ((int) NLMSG_ALIGN(sizeof(struct nlmsghdr)))
#define NLMSG_LENGTH(len) ((len) + NLMSG_HDRLEN)
#define NLMSG_SPACE(len) NLMSG_ALIGN(NLMSG_LENGTH(len))
#define NLMSG_DATA(nlh) ((void*)(((char*)nlh) + NLMSG_LENGTH(0)))
#define NLMSG_DATA(nlh) ((void *)(((char *)nlh) + NLMSG_HDRLEN))
#define NLMSG_NEXT(nlh,len) ((len) -= NLMSG_ALIGN((nlh)->nlmsg_len), \
(struct nlmsghdr*)(((char*)(nlh)) + NLMSG_ALIGN((nlh)->nlmsg_len)))
(struct nlmsghdr *)(((char *)(nlh)) + \
NLMSG_ALIGN((nlh)->nlmsg_len)))
#define NLMSG_OK(nlh,len) ((len) >= (int)sizeof(struct nlmsghdr) && \
(nlh)->nlmsg_len >= sizeof(struct nlmsghdr) && \
(nlh)->nlmsg_len <= (len))
@@ -129,6 +139,11 @@ struct nlmsgerr {
* @NLMSGERR_ATTR_COOKIE: arbitrary subsystem specific cookie to
* be used - in the success case - to identify a created
* object or operation or similar (binary)
* @NLMSGERR_ATTR_POLICY: policy for a rejected attribute
* @NLMSGERR_ATTR_MISS_TYPE: type of a missing required attribute,
* %NLMSGERR_ATTR_MISS_NEST will not be present if the attribute was
* missing at the message level
* @NLMSGERR_ATTR_MISS_NEST: offset of the nest where attribute was missing
* @__NLMSGERR_ATTR_MAX: number of attributes
* @NLMSGERR_ATTR_MAX: highest attribute number
*/
@@ -137,6 +152,9 @@ enum nlmsgerr_attrs {
NLMSGERR_ATTR_MSG,
NLMSGERR_ATTR_OFFS,
NLMSGERR_ATTR_COOKIE,
NLMSGERR_ATTR_POLICY,
NLMSGERR_ATTR_MISS_TYPE,
NLMSGERR_ATTR_MISS_NEST,
__NLMSGERR_ATTR_MAX,
NLMSGERR_ATTR_MAX = __NLMSGERR_ATTR_MAX - 1
@@ -249,4 +267,117 @@ struct nla_bitfield32 {
__u32 selector;
};
/*
* policy descriptions - it's specific to each family how this is used
* Normally, it should be retrieved via a dump inside another attribute
* specifying where it applies.
*/
/**
* enum netlink_attribute_type - type of an attribute
* @NL_ATTR_TYPE_INVALID: unused
* @NL_ATTR_TYPE_FLAG: flag attribute (present/not present)
* @NL_ATTR_TYPE_U8: 8-bit unsigned attribute
* @NL_ATTR_TYPE_U16: 16-bit unsigned attribute
* @NL_ATTR_TYPE_U32: 32-bit unsigned attribute
* @NL_ATTR_TYPE_U64: 64-bit unsigned attribute
* @NL_ATTR_TYPE_S8: 8-bit signed attribute
* @NL_ATTR_TYPE_S16: 16-bit signed attribute
* @NL_ATTR_TYPE_S32: 32-bit signed attribute
* @NL_ATTR_TYPE_S64: 64-bit signed attribute
* @NL_ATTR_TYPE_BINARY: binary data, min/max length may be specified
* @NL_ATTR_TYPE_STRING: string, min/max length may be specified
* @NL_ATTR_TYPE_NUL_STRING: NUL-terminated string,
* min/max length may be specified
* @NL_ATTR_TYPE_NESTED: nested, i.e. the content of this attribute
* consists of sub-attributes. The nested policy and maxtype
* inside may be specified.
* @NL_ATTR_TYPE_NESTED_ARRAY: nested array, i.e. the content of this
* attribute contains sub-attributes whose type is irrelevant
* (just used to separate the array entries) and each such array
* entry has attributes again, the policy for those inner ones
* and the corresponding maxtype may be specified.
* @NL_ATTR_TYPE_BITFIELD32: &struct nla_bitfield32 attribute
* @NL_ATTR_TYPE_SINT: 32-bit or 64-bit signed attribute, aligned to 4B
* @NL_ATTR_TYPE_UINT: 32-bit or 64-bit unsigned attribute, aligned to 4B
*/
enum netlink_attribute_type {
NL_ATTR_TYPE_INVALID,
NL_ATTR_TYPE_FLAG,
NL_ATTR_TYPE_U8,
NL_ATTR_TYPE_U16,
NL_ATTR_TYPE_U32,
NL_ATTR_TYPE_U64,
NL_ATTR_TYPE_S8,
NL_ATTR_TYPE_S16,
NL_ATTR_TYPE_S32,
NL_ATTR_TYPE_S64,
NL_ATTR_TYPE_BINARY,
NL_ATTR_TYPE_STRING,
NL_ATTR_TYPE_NUL_STRING,
NL_ATTR_TYPE_NESTED,
NL_ATTR_TYPE_NESTED_ARRAY,
NL_ATTR_TYPE_BITFIELD32,
NL_ATTR_TYPE_SINT,
NL_ATTR_TYPE_UINT,
};
/**
* enum netlink_policy_type_attr - policy type attributes
* @NL_POLICY_TYPE_ATTR_UNSPEC: unused
* @NL_POLICY_TYPE_ATTR_TYPE: type of the attribute,
* &enum netlink_attribute_type (U32)
* @NL_POLICY_TYPE_ATTR_MIN_VALUE_S: minimum value for signed
* integers (S64)
* @NL_POLICY_TYPE_ATTR_MAX_VALUE_S: maximum value for signed
* integers (S64)
* @NL_POLICY_TYPE_ATTR_MIN_VALUE_U: minimum value for unsigned
* integers (U64)
* @NL_POLICY_TYPE_ATTR_MAX_VALUE_U: maximum value for unsigned
* integers (U64)
* @NL_POLICY_TYPE_ATTR_MIN_LENGTH: minimum length for binary
* attributes, no minimum if not given (U32)
* @NL_POLICY_TYPE_ATTR_MAX_LENGTH: maximum length for binary
* attributes, no maximum if not given (U32)
* @NL_POLICY_TYPE_ATTR_POLICY_IDX: sub policy for nested and
* nested array types (U32)
* @NL_POLICY_TYPE_ATTR_POLICY_MAXTYPE: maximum sub policy
* attribute for nested and nested array types, this can
* in theory be < the size of the policy pointed to by
* the index, if limited inside the nesting (U32)
* @NL_POLICY_TYPE_ATTR_BITFIELD32_MASK: valid mask for the
* bitfield32 type (U32)
* @NL_POLICY_TYPE_ATTR_MASK: mask of valid bits for unsigned integers (U64)
* @NL_POLICY_TYPE_ATTR_PAD: pad attribute for 64-bit alignment
*
* @__NL_POLICY_TYPE_ATTR_MAX: number of attributes
* @NL_POLICY_TYPE_ATTR_MAX: highest attribute number
*/
enum netlink_policy_type_attr {
NL_POLICY_TYPE_ATTR_UNSPEC,
NL_POLICY_TYPE_ATTR_TYPE,
NL_POLICY_TYPE_ATTR_MIN_VALUE_S,
NL_POLICY_TYPE_ATTR_MAX_VALUE_S,
NL_POLICY_TYPE_ATTR_MIN_VALUE_U,
NL_POLICY_TYPE_ATTR_MAX_VALUE_U,
NL_POLICY_TYPE_ATTR_MIN_LENGTH,
NL_POLICY_TYPE_ATTR_MAX_LENGTH,
NL_POLICY_TYPE_ATTR_POLICY_IDX,
NL_POLICY_TYPE_ATTR_POLICY_MAXTYPE,
NL_POLICY_TYPE_ATTR_BITFIELD32_MASK,
NL_POLICY_TYPE_ATTR_PAD,
NL_POLICY_TYPE_ATTR_MASK,
/* keep last */
__NL_POLICY_TYPE_ATTR_MAX,
NL_POLICY_TYPE_ATTR_MAX = __NL_POLICY_TYPE_ATTR_MAX - 1
};
#endif /* __LINUX_NETLINK_H */