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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2021 NXP
*/
#include "netlink.h"
#include "common.h"
struct phc_vclocks_req_info {
struct ethnl_req_info base;
};
struct phc_vclocks_reply_data {
struct ethnl_reply_data base;
int num;
int *index;
};
#define PHC_VCLOCKS_REPDATA(__reply_base) \
container_of(__reply_base, struct phc_vclocks_reply_data, base)
const struct nla_policy ethnl_phc_vclocks_get_policy[] = {
[ETHTOOL_A_PHC_VCLOCKS_HEADER] = NLA_POLICY_NESTED(ethnl_header_policy),
};
static int phc_vclocks_prepare_data(const struct ethnl_req_info *req_base,
struct ethnl_reply_data *reply_base,
struct genl_info *info)
{
struct phc_vclocks_reply_data *data = PHC_VCLOCKS_REPDATA(reply_base);
struct net_device *dev = reply_base->dev;
int ret;
ret = ethnl_ops_begin(dev);
if (ret < 0)
return ret;
data->num = ethtool_get_phc_vclocks(dev, &data->index);
ethnl_ops_complete(dev);
return ret;
}
static int phc_vclocks_reply_size(const struct ethnl_req_info *req_base,
const struct ethnl_reply_data *reply_base)
{
const struct phc_vclocks_reply_data *data =
PHC_VCLOCKS_REPDATA(reply_base);
int len = 0;
if (data->num > 0) {
len += nla_total_size(sizeof(u32));
len += nla_total_size(sizeof(s32) * data->num);
}
return len;
}
static int phc_vclocks_fill_reply(struct sk_buff *skb,
const struct ethnl_req_info *req_base,
const struct ethnl_reply_data *reply_base)
{
const struct phc_vclocks_reply_data *data =
PHC_VCLOCKS_REPDATA(reply_base);
if (data->num <= 0)
return 0;
if (nla_put_u32(skb, ETHTOOL_A_PHC_VCLOCKS_NUM, data->num) ||
nla_put(skb, ETHTOOL_A_PHC_VCLOCKS_INDEX,
sizeof(s32) * data->num, data->index))
return -EMSGSIZE;
return 0;
}
static void phc_vclocks_cleanup_data(struct ethnl_reply_data *reply_base)
{
const struct phc_vclocks_reply_data *data =
PHC_VCLOCKS_REPDATA(reply_base);
kfree(data->index);
}
const struct ethnl_request_ops ethnl_phc_vclocks_request_ops = {
.request_cmd = ETHTOOL_MSG_PHC_VCLOCKS_GET,
.reply_cmd = ETHTOOL_MSG_PHC_VCLOCKS_GET_REPLY,
.hdr_attr = ETHTOOL_A_PHC_VCLOCKS_HEADER,
.req_info_size = sizeof(struct phc_vclocks_req_info),
.reply_data_size = sizeof(struct phc_vclocks_reply_data),
.prepare_data = phc_vclocks_prepare_data,
.reply_size = phc_vclocks_reply_size,
.fill_reply = phc_vclocks_fill_reply,
.cleanup_data = phc_vclocks_cleanup_data,
};
|
