1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
/*
* Copyright 2025 NVIDIA Corporation & Affiliates
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#pragma once
#include <fwupdplugin.h>
#include <libmnl/libmnl.h>
#include <linux/devlink.h>
#include <linux/genetlink.h>
#include <linux/netlink.h>
/* generic netlink socket wrapper */
typedef struct {
struct mnl_socket *nl;
gchar *buf;
guint32 family_id;
guint32 config_group_id;
FuDevice *device; /* device for emulation recording/playback */
gboolean is_emulated;
gboolean save_events;
gint pipe_fds[2]; /* dummy pipe for emulation (read=0, write=1) */
} FuDevlinkGenSocket;
/* do zero check to silence warnings*/
#define FU_DEVLINK_NETLINK_BUF_SIZE (MNL_SOCKET_BUFFER_SIZE > 0 ? MNL_SOCKET_BUFFER_SIZE : 0)
/* send/receive functions */
gboolean
fu_devlink_netlink_msg_run(FuDevlinkGenSocket *nlg,
gsize len,
guint32 seq,
mnl_cb_t cb,
gpointer data,
GError **error) G_GNUC_NON_NULL(1, 4);
gboolean
fu_devlink_netlink_msg_send_recv(FuDevlinkGenSocket *nlg,
struct nlmsghdr *nlh,
mnl_cb_t cb,
gpointer data,
GError **error) G_GNUC_NON_NULL(1, 2);
gboolean
fu_devlink_netlink_msg_send(FuDevlinkGenSocket *nlg, struct nlmsghdr *nlh, GError **error)
G_GNUC_NON_NULL(1, 2);
/* socket management */
FuDevlinkGenSocket *
fu_devlink_netlink_gen_socket_open(FuDevice *device, GError **error);
void
fu_devlink_netlink_gen_socket_close(FuDevlinkGenSocket *nlg);
gint
fu_devlink_netlink_gen_socket_get_fd(FuDevlinkGenSocket *nlg) G_GNUC_NON_NULL(1);
gchar *
fu_devlink_netlink_gen_socket_get_buf(FuDevlinkGenSocket *nlg) G_GNUC_NON_NULL(1);
/* prepare devlink command message */
struct nlmsghdr *
fu_devlink_netlink_cmd_prepare(FuDevlinkGenSocket *nlg, guint8 cmd, gboolean dump)
G_GNUC_NON_NULL(1);
/* multicast group management */
gboolean
fu_devlink_netlink_mcast_group_subscribe(FuDevlinkGenSocket *nlg, GError **error)
G_GNUC_NON_NULL(1);
/* attribute parsing callback */
gint
fu_devlink_netlink_attr_cb(const struct nlattr *attr, gpointer data) G_GNUC_NON_NULL(1, 2);
/* cleanup function for auto cleanup */
G_DEFINE_AUTOPTR_CLEANUP_FUNC(FuDevlinkGenSocket, fu_devlink_netlink_gen_socket_close)
|
