Searched full:netlink (Results 1 – 25 of 836) sorted by relevance
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| /linux-6.12.1/Documentation/userspace-api/netlink/ |
| D | intro.rst | 4 Introduction to Netlink
7 Netlink is often described as an ioctl() replacement.
12 To achieve this Netlink uses a minimal fixed-format metadata header
18 netlink as it is used today and dives into more "historical" uses
24 Netlink communication happens over sockets, a socket needs to be
36 A very simplified flow of a Netlink "call" will therefore look
48 Netlink also provides natural support for "dumping", i.e. communicating
70 it is opening a Netlink socket, with all headers provided by the user
71 (hence NETLINK, RAW). The last argument is the protocol within Netlink.
75 Classic vs Generic Netlink
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| D | netlink-raw.rst | 4 Netlink specification support for raw Netlink families
7 This document describes the additional properties required by raw Netlink
8 families such as ``NETLINK_ROUTE`` which use the ``netlink-raw`` protocol
14 The netlink-raw schema extends the :doc:`genetlink-legacy <genetlink-legacy>`
16 multicast IDs used by raw netlink families. See :ref:`classic_netlink` for more
17 information. The raw netlink families also make use of type-specific
27 opening a netlink socket.
34 protocol: netlink-raw
64 Several raw netlink families such as
84 the wrapper attr has very similar characteristics to a netlink message. It may
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| D | specs.rst | 4 Netlink protocol specifications (in YAML)
7 Netlink protocol specifications are complete, machine readable descriptions of
8 Netlink protocols written in YAML. The goal of the specifications is to allow
9 separating Netlink parsing from user space logic and minimize the amount of
10 hand written Netlink code for each new family, command, attribute.
11 Netlink specs should be complete and not depend on any other spec
22 YAML specifications can be found under ``Documentation/netlink/specs/``
34 There are four schema levels for Netlink specs, from the simplest used
45 - ``genetlink-legacy`` - Generic Netlink catch all schema supporting quirks of
47 - ``netlink-raw`` - catch all schema supporting pre-Generic Netlink protocols
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| D | intro-specs.rst | 4 Using Netlink protocol specifications
7 This document is a quick starting guide for using Netlink protocol
14 developing Netlink related code. The tool is implemented in Python
15 and can use a YAML specification to issue Netlink requests
16 to the kernel. Only Generic Netlink is supported.
26 YAML specs can be found under ``Documentation/netlink/specs/``.
30 $ ./tools/net/ynl/cli.py --spec Documentation/netlink/specs/ethtool.yaml \
45 Python-pretty-printed. This is because some Netlink types can't
49 The spec and Netlink internals are factored out as a standalone
67 /* Documentation/netlink/specs/fou.yaml */
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| D | index.rst | 4 Netlink Handbook
7 Netlink documentation for users.
17 netlink-raw
20 - :ref:`Documentation/core-api/netlink.rst <kernel_netlink>`
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| /linux-6.12.1/drivers/infiniband/core/ |
| D | iwpm_util.h | 47 #include <net/netlink.h>
97 * iwpm_get_nlmsg_request - Allocate and initialize netlink message request
98 * @nlmsg_seq: Sequence number of the netlink message
99 * @nl_client: The index of the netlink client
102 * Returns the newly allocated netlink request object if successful,
109 * iwpm_free_nlmsg_request - Deallocate netlink message request
110 * @kref: Holds reference of netlink message request
115 * iwpm_find_nlmsg_request - Find netlink message request in the request list
116 * @echo_seq: Sequence number of the netlink request to find
118 * Returns the found netlink message request,
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| D | iwpm_msg.c | 52 * iwpm_register_pid - Send a netlink query to userspace
55 * @nl_client: The index of the netlink client
83 err_str = "Unable to allocate netlink request"; in iwpm_register_pid()
113 skb = NULL; /* skb is freed in the netlink send-op handling */ in iwpm_register_pid()
130 * iwpm_add_mapping - Send a netlink add mapping request to
133 * @nl_client: The index of the netlink client
166 err_str = "Unable to allocate netlink request"; in iwpm_add_mapping()
198 skb = NULL; /* skb is freed in the netlink send-op handling */ in iwpm_add_mapping()
218 * @nl_client: The index of the netlink client
251 err_str = "Unable to allocate netlink request"; in iwpm_add_and_query_mapping()
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| /linux-6.12.1/include/net/ |
| D | genetlink.h | 6 #include <net/netlink.h>
12 /* Non-parallel generic netlink requests are serialized by a global lock. */
25 * struct genl_multicast_group - generic netlink multicast group
38 * struct genl_family - generic netlink family
43 * @policy: netlink policy
52 * @bind: called when family multicast group is added to a netlink socket
53 * @unbind: called when family multicast group is removed from a netlink socket
121 * @snd_portid: netlink portid of sender
122 * @family: generic netlink family
123 * @nlhdr: netlink message header
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| D | netlink.h | 6 #include <linux/netlink.h>
11 * Netlink Messages and Attributes Interface (As Seen On TV)
34 * struct nlmsghdr netlink message header
37 * nlmsg_new() create a new netlink message
38 * nlmsg_put() add a netlink message to an skb
40 * nlmsg_end() finalize netlink message
44 * nlmsg_consume() free a netlink message (expected)
45 * nlmsg_free() free a netlink message (drop)
65 * nlmsg_next(nlh, remaining) get next netlink message
69 * nlmsg_validate() validate netlink message incl. attrs
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| /linux-6.12.1/include/rdma/ |
| D | rdma_netlink.h | 6 #include <linux/netlink.h>
29 /* Define this module as providing netlink services for NETLINK_RDMA, with
39 MODULE_ALIAS("rdma-netlink-subsys-" __stringify(_val))
42 * Register client in RDMA netlink.
50 * Remove a client from IB netlink.
57 * @skb: The netlink skb.
58 * @nlh: Pointer to put the header of the new netlink message.
61 * @client: Calling IB netlink client.
69 * @skb: The netlink skb.
70 * @nlh: Header of the netlink message to append the attribute to.
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| /linux-6.12.1/tools/net/ynl/lib/ |
| D | ynl.py | 19 # Generic Netlink code which should really be in some library, but I can't quickly find one.
23 class Netlink: class
24 # Netlink socket
32 # Netlink message
106 return f"Netlink error: {os.strerror(self.error)}\n{self.nl_msg}"
128 self.type = self._type & ~Netlink.NLA_TYPE_MASK
129 self.is_nest = self._type & Netlink.NLA_F_NESTED
201 if self.nl_type == Netlink.NLMSG_ERROR:
205 elif self.nl_type == Netlink.NLMSG_DONE:
211 if self.nl_flags & Netlink.NLM_F_ACK_TLVS and extack_off:
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| D | nlspec.py | 14 """Netlink spec element.
16 Abstract element of the Netlink spec. Implements the dictionary interface
61 """ Entry within an enum declared in the Netlink spec.
147 """ Single Netlink attribute type
186 """ Netlink Attribute Set class.
188 Represents a ID space of attributes within Netlink.
264 """Netlink struct type
289 """ Netlink sub-message definition
311 """ Netlink sub-message format definition
329 """Netlink Operation
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| /linux-6.12.1/include/uapi/linux/netfilter/ |
| D | nf_tables.h | 73 * enum nf_tables_msg_types - nf_tables netlink message types
149 * enum nft_list_attributes - nf_tables generic list netlink attributes
161 * enum nft_hook_attributes - nf_tables netfilter hook netlink attributes
195 * enum nft_table_attributes - nf_tables table netlink attributes
201 * @NFTA_TABLE_OWNER: owner of this table through netlink portID (NLA_U32)
226 * enum nft_chain_attributes - nf_tables chain netlink attributes
259 * enum nft_rule_attributes - nf_tables rule netlink attributes
378 * enum nft_set_attributes - nf_tables set netlink attributes
434 * enum nft_set_elem_attributes - nf_tables set element netlink attributes
465 * enum nft_set_elem_list_attributes - nf_tables set element list netlink attributes
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| /linux-6.12.1/Documentation/driver-api/ |
| D | connector.rst | 7 Kernel connector - new netlink based userspace <-> kernel space easy
11 netlink based network. One must register a callback and an identifier.
12 When the driver receives a special netlink message with the appropriate
25 netlink based networking for inter-process communication in a significantly
63 netlink group to the user which is equal to its id.idx.
102 Netlink itself is not a reliable protocol. That means that messages can
111 2.6.14 has a new netlink socket implementation, which by default does not
112 allow people to send data to netlink groups other than 1.
113 So, if you wish to use a netlink socket (for example using connector)
138 2.6.14 netlink code only allows to select a group which is less or equal to
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| /linux-6.12.1/tools/lib/thermal/ |
| D | thermal_nl.h | 6 #include <netlink/netlink.h>
7 #include <netlink/genl/genl.h>
8 #include <netlink/genl/mngt.h>
9 #include <netlink/genl/ctrl.h>
30 * Low level netlink
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| /linux-6.12.1/net/netlabel/ |
| D | netlabel_user.h | 3 * NetLabel NETLINK Interface
5 * This file defines the NETLINK interface for the NetLabel system. The
23 #include <net/netlink.h>
27 /* NetLabel NETLINK helper functions */
30 * netlbl_netlink_auditinfo - Fetch the audit information from a NETLINK msg
40 /* NetLabel NETLINK I/O functions */
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| D | netlabel_mgmt.c | 24 #include <net/netlink.h>
48 /* NetLabel Generic NETLINK CIPSOv4 family */
51 /* NetLabel Netlink attribute policy */
67 * @info: the Generic NETLINK info block
272 * @skb: the NETLINK buffer
413 * @skb: the NETLINK buffer
414 * @info: the Generic NETLINK info block
445 * @skb: the NETLINK buffer
446 * @info: the Generic NETLINK info block
506 * @skb: the NETLINK buffer
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| D | netlabel_user.c | 3 * NetLabel NETLINK Interface
5 * This file defines the NETLINK interface for the NetLabel system. The
25 #include <net/netlink.h>
37 * NetLabel NETLINK Setup Functions
41 * netlbl_netlink_init - Initialize the NETLINK communication channel
45 * commands with the Generic NETLINK mechanism. Returns zero on success and
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| D | netlabel_cipso_v4.c | 23 #include <net/netlink.h>
47 /* NetLabel Generic NETLINK CIPSOv4 family */
49 /* NetLabel Netlink attribute policy */
71 * @info: the Generic NETLINK info block
112 * @info: the Generic NETLINK info block
317 * @info: the Generic NETLINK info block
356 * @info: the Generic NETLINK info block
395 * @skb: the NETLINK buffer
396 * @info: the Generic NETLINK info block
433 * @skb: the NETLINK buffer
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| /linux-6.12.1/Documentation/netlink/ |
| D | netlink-raw.yaml | 4 $id: http://kernel.org/schemas/netlink/netlink-raw.yaml#
19 description: Specification of a raw netlink protocol
25 description: Name of the netlink family.
31 enum: [ netlink-raw ] # Trim
32 # Start netlink-raw
34 description: Protocol number to use for netlink-raw
36 # End netlink-raw
130 The netlink attribute type. Members of type 'binary' or 'pad'
222 description: The netlink attribute type
290 # Start netlink-raw
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| /linux-6.12.1/fs/smb/client/ |
| D | netlink.c | 3 * Netlink routines for CIFS
11 #include "netlink.h"
60 * cifs_genl_init - Register generic netlink family
70 cifs_dbg(VFS, "%s: failed to register netlink family\n", in cifs_genl_init()
79 * cifs_genl_exit - Unregister generic netlink family
87 cifs_dbg(VFS, "%s: failed to unregister netlink family\n", in cifs_genl_exit()
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| /linux-6.12.1/net/batman-adv/ |
| D | bat_v.c | 21 #include <linux/netlink.h>
30 #include <net/netlink.h>
41 #include "netlink.h"
122 * @msg: Netlink message to dump into
123 * @portid: Port making netlink request
124 * @seq: Sequence number of netlink message
168 * @msg: Netlink message to dump into
169 * @portid: Port making netlink request
170 * @seq: Sequence number of netlink message
206 * @msg: Netlink message to dump into
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| /linux-6.12.1/tools/net/ynl/ |
| D | cli.py | 9 from lib import YnlFamily, Netlink, NlError
23 YNL CLI utility - a general purpose netlink utility that uses YAML
28 in the same netlink payload.
49 const=Netlink.NLM_F_REPLACE)
51 const=Netlink.NLM_F_EXCL)
53 const=Netlink.NLM_F_CREATE)
55 const=Netlink.NLM_F_APPEND)
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| /linux-6.12.1/Documentation/filesystems/ |
| D | quota.rst | 23 Quota netlink interface
29 Thus quota netlink interface has been designed to pass information about
33 The interface uses generic netlink framework (see
35 more details about this layer). The name of the quota generic netlink interface
37 the quota netlink protocol is not namespace aware, quota netlink messages are
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| /linux-6.12.1/tools/net/ynl/generated/ |
| D | Makefile | 18 'protocol: netlink' \
19 ../../../../Documentation/netlink/specs/)
20 GENS=$(patsubst ../../../../Documentation/netlink/specs/%.yaml,%,${GENS_PATHS})
31 %-user.h: ../../../../Documentation/netlink/specs/%.yaml $(TOOL)
35 %-user.c: ../../../../Documentation/netlink/specs/%.yaml $(TOOL)
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