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1// SPDX-License-Identifier: GPL-2.0-only
2
3#include "netlink.h"
4#include "common.h"
5#include "bitset.h"
6
7struct eee_req_info {
8 struct ethnl_req_info base;
9};
10
11struct eee_reply_data {
12 struct ethnl_reply_data base;
13 struct ethtool_keee eee;
14};
15
16#define EEE_REPDATA(__reply_base) \
17 container_of(__reply_base, struct eee_reply_data, base)
18
19const struct nla_policy ethnl_eee_get_policy[] = {
20 [ETHTOOL_A_EEE_HEADER] =
21 NLA_POLICY_NESTED(ethnl_header_policy),
22};
23
24static int eee_prepare_data(const struct ethnl_req_info *req_base,
25 struct ethnl_reply_data *reply_base,
26 const struct genl_info *info)
27{
28 struct eee_reply_data *data = EEE_REPDATA(reply_base);
29 struct net_device *dev = reply_base->dev;
30 struct ethtool_keee *eee = &data->eee;
31 int ret;
32
33 if (!dev->ethtool_ops->get_eee)
34 return -EOPNOTSUPP;
35 ret = ethnl_ops_begin(dev);
36 if (ret < 0)
37 return ret;
38 ret = dev->ethtool_ops->get_eee(dev, eee);
39 ethnl_ops_complete(dev);
40
41 return ret;
42}
43
44static int eee_reply_size(const struct ethnl_req_info *req_base,
45 const struct ethnl_reply_data *reply_base)
46{
47 bool compact = req_base->flags & ETHTOOL_FLAG_COMPACT_BITSETS;
48 const struct eee_reply_data *data = EEE_REPDATA(reply_base);
49 const struct ethtool_keee *eee = &data->eee;
50 int len = 0;
51 int ret;
52
53 /* MODES_OURS */
54 ret = ethnl_bitset_size(eee->advertised, eee->supported,
55 __ETHTOOL_LINK_MODE_MASK_NBITS,
56 link_mode_names, compact);
57 if (ret < 0)
58 return ret;
59 len += ret;
60 /* MODES_PEERS */
61 ret = ethnl_bitset_size(eee->lp_advertised, NULL,
62 __ETHTOOL_LINK_MODE_MASK_NBITS,
63 link_mode_names, compact);
64 if (ret < 0)
65 return ret;
66 len += ret;
67
68 len += nla_total_size(sizeof(u8)) + /* _EEE_ACTIVE */
69 nla_total_size(sizeof(u8)) + /* _EEE_ENABLED */
70 nla_total_size(sizeof(u8)) + /* _EEE_TX_LPI_ENABLED */
71 nla_total_size(sizeof(u32)); /* _EEE_TX_LPI_TIMER */
72
73 return len;
74}
75
76static int eee_fill_reply(struct sk_buff *skb,
77 const struct ethnl_req_info *req_base,
78 const struct ethnl_reply_data *reply_base)
79{
80 bool compact = req_base->flags & ETHTOOL_FLAG_COMPACT_BITSETS;
81 const struct eee_reply_data *data = EEE_REPDATA(reply_base);
82 const struct ethtool_keee *eee = &data->eee;
83 int ret;
84
85 ret = ethnl_put_bitset(skb, ETHTOOL_A_EEE_MODES_OURS,
86 eee->advertised, eee->supported,
87 __ETHTOOL_LINK_MODE_MASK_NBITS,
88 link_mode_names, compact);
89 if (ret < 0)
90 return ret;
91 ret = ethnl_put_bitset(skb, ETHTOOL_A_EEE_MODES_PEER,
92 eee->lp_advertised, NULL,
93 __ETHTOOL_LINK_MODE_MASK_NBITS,
94 link_mode_names, compact);
95 if (ret < 0)
96 return ret;
97
98 if (nla_put_u8(skb, ETHTOOL_A_EEE_ACTIVE, eee->eee_active) ||
99 nla_put_u8(skb, ETHTOOL_A_EEE_ENABLED, eee->eee_enabled) ||
100 nla_put_u8(skb, ETHTOOL_A_EEE_TX_LPI_ENABLED,
101 eee->tx_lpi_enabled) ||
102 nla_put_u32(skb, ETHTOOL_A_EEE_TX_LPI_TIMER, eee->tx_lpi_timer))
103 return -EMSGSIZE;
104
105 return 0;
106}
107
108/* EEE_SET */
109
110const struct nla_policy ethnl_eee_set_policy[] = {
111 [ETHTOOL_A_EEE_HEADER] =
112 NLA_POLICY_NESTED(ethnl_header_policy),
113 [ETHTOOL_A_EEE_MODES_OURS] = { .type = NLA_NESTED },
114 [ETHTOOL_A_EEE_ENABLED] = { .type = NLA_U8 },
115 [ETHTOOL_A_EEE_TX_LPI_ENABLED] = { .type = NLA_U8 },
116 [ETHTOOL_A_EEE_TX_LPI_TIMER] = { .type = NLA_U32 },
117};
118
119static int
120ethnl_set_eee_validate(struct ethnl_req_info *req_info, struct genl_info *info)
121{
122 const struct ethtool_ops *ops = req_info->dev->ethtool_ops;
123
124 return ops->get_eee && ops->set_eee ? 1 : -EOPNOTSUPP;
125}
126
127static int
128ethnl_set_eee(struct ethnl_req_info *req_info, struct genl_info *info)
129{
130 struct net_device *dev = req_info->dev;
131 struct nlattr **tb = info->attrs;
132 struct ethtool_keee eee = {};
133 bool mod = false;
134 int ret;
135
136 ret = dev->ethtool_ops->get_eee(dev, &eee);
137 if (ret < 0)
138 return ret;
139
140 ret = ethnl_update_bitset(eee.advertised,
141 __ETHTOOL_LINK_MODE_MASK_NBITS,
142 tb[ETHTOOL_A_EEE_MODES_OURS],
143 link_mode_names, info->extack, &mod);
144 if (ret < 0)
145 return ret;
146 ethnl_update_bool(&eee.eee_enabled, tb[ETHTOOL_A_EEE_ENABLED], &mod);
147 ethnl_update_bool(&eee.tx_lpi_enabled, tb[ETHTOOL_A_EEE_TX_LPI_ENABLED],
148 &mod);
149 ethnl_update_u32(&eee.tx_lpi_timer, tb[ETHTOOL_A_EEE_TX_LPI_TIMER],
150 &mod);
151 if (!mod)
152 return 0;
153
154 ret = dev->ethtool_ops->set_eee(dev, &eee);
155 return ret < 0 ? ret : 1;
156}
157
158const struct ethnl_request_ops ethnl_eee_request_ops = {
159 .request_cmd = ETHTOOL_MSG_EEE_GET,
160 .reply_cmd = ETHTOOL_MSG_EEE_GET_REPLY,
161 .hdr_attr = ETHTOOL_A_EEE_HEADER,
162 .req_info_size = sizeof(struct eee_req_info),
163 .reply_data_size = sizeof(struct eee_reply_data),
164
165 .prepare_data = eee_prepare_data,
166 .reply_size = eee_reply_size,
167 .fill_reply = eee_fill_reply,
168
169 .set_validate = ethnl_set_eee_validate,
170 .set = ethnl_set_eee,
171 .set_ntf_cmd = ETHTOOL_MSG_EEE_NTF,
172};
1// SPDX-License-Identifier: GPL-2.0-only
2
3#include "netlink.h"
4#include "common.h"
5#include "bitset.h"
6
7#define EEE_MODES_COUNT \
8 (sizeof_field(struct ethtool_eee, supported) * BITS_PER_BYTE)
9
10struct eee_req_info {
11 struct ethnl_req_info base;
12};
13
14struct eee_reply_data {
15 struct ethnl_reply_data base;
16 struct ethtool_eee eee;
17};
18
19#define EEE_REPDATA(__reply_base) \
20 container_of(__reply_base, struct eee_reply_data, base)
21
22const struct nla_policy ethnl_eee_get_policy[] = {
23 [ETHTOOL_A_EEE_HEADER] =
24 NLA_POLICY_NESTED(ethnl_header_policy),
25};
26
27static int eee_prepare_data(const struct ethnl_req_info *req_base,
28 struct ethnl_reply_data *reply_base,
29 struct genl_info *info)
30{
31 struct eee_reply_data *data = EEE_REPDATA(reply_base);
32 struct net_device *dev = reply_base->dev;
33 int ret;
34
35 if (!dev->ethtool_ops->get_eee)
36 return -EOPNOTSUPP;
37 ret = ethnl_ops_begin(dev);
38 if (ret < 0)
39 return ret;
40 ret = dev->ethtool_ops->get_eee(dev, &data->eee);
41 ethnl_ops_complete(dev);
42
43 return ret;
44}
45
46static int eee_reply_size(const struct ethnl_req_info *req_base,
47 const struct ethnl_reply_data *reply_base)
48{
49 bool compact = req_base->flags & ETHTOOL_FLAG_COMPACT_BITSETS;
50 const struct eee_reply_data *data = EEE_REPDATA(reply_base);
51 const struct ethtool_eee *eee = &data->eee;
52 int len = 0;
53 int ret;
54
55 BUILD_BUG_ON(sizeof(eee->advertised) * BITS_PER_BYTE !=
56 EEE_MODES_COUNT);
57 BUILD_BUG_ON(sizeof(eee->lp_advertised) * BITS_PER_BYTE !=
58 EEE_MODES_COUNT);
59
60 /* MODES_OURS */
61 ret = ethnl_bitset32_size(&eee->advertised, &eee->supported,
62 EEE_MODES_COUNT, link_mode_names, compact);
63 if (ret < 0)
64 return ret;
65 len += ret;
66 /* MODES_PEERS */
67 ret = ethnl_bitset32_size(&eee->lp_advertised, NULL,
68 EEE_MODES_COUNT, link_mode_names, compact);
69 if (ret < 0)
70 return ret;
71 len += ret;
72
73 len += nla_total_size(sizeof(u8)) + /* _EEE_ACTIVE */
74 nla_total_size(sizeof(u8)) + /* _EEE_ENABLED */
75 nla_total_size(sizeof(u8)) + /* _EEE_TX_LPI_ENABLED */
76 nla_total_size(sizeof(u32)); /* _EEE_TX_LPI_TIMER */
77
78 return len;
79}
80
81static int eee_fill_reply(struct sk_buff *skb,
82 const struct ethnl_req_info *req_base,
83 const struct ethnl_reply_data *reply_base)
84{
85 bool compact = req_base->flags & ETHTOOL_FLAG_COMPACT_BITSETS;
86 const struct eee_reply_data *data = EEE_REPDATA(reply_base);
87 const struct ethtool_eee *eee = &data->eee;
88 int ret;
89
90 ret = ethnl_put_bitset32(skb, ETHTOOL_A_EEE_MODES_OURS,
91 &eee->advertised, &eee->supported,
92 EEE_MODES_COUNT, link_mode_names, compact);
93 if (ret < 0)
94 return ret;
95 ret = ethnl_put_bitset32(skb, ETHTOOL_A_EEE_MODES_PEER,
96 &eee->lp_advertised, NULL, EEE_MODES_COUNT,
97 link_mode_names, compact);
98 if (ret < 0)
99 return ret;
100
101 if (nla_put_u8(skb, ETHTOOL_A_EEE_ACTIVE, !!eee->eee_active) ||
102 nla_put_u8(skb, ETHTOOL_A_EEE_ENABLED, !!eee->eee_enabled) ||
103 nla_put_u8(skb, ETHTOOL_A_EEE_TX_LPI_ENABLED,
104 !!eee->tx_lpi_enabled) ||
105 nla_put_u32(skb, ETHTOOL_A_EEE_TX_LPI_TIMER, eee->tx_lpi_timer))
106 return -EMSGSIZE;
107
108 return 0;
109}
110
111const struct ethnl_request_ops ethnl_eee_request_ops = {
112 .request_cmd = ETHTOOL_MSG_EEE_GET,
113 .reply_cmd = ETHTOOL_MSG_EEE_GET_REPLY,
114 .hdr_attr = ETHTOOL_A_EEE_HEADER,
115 .req_info_size = sizeof(struct eee_req_info),
116 .reply_data_size = sizeof(struct eee_reply_data),
117
118 .prepare_data = eee_prepare_data,
119 .reply_size = eee_reply_size,
120 .fill_reply = eee_fill_reply,
121};
122
123/* EEE_SET */
124
125const struct nla_policy ethnl_eee_set_policy[] = {
126 [ETHTOOL_A_EEE_HEADER] =
127 NLA_POLICY_NESTED(ethnl_header_policy),
128 [ETHTOOL_A_EEE_MODES_OURS] = { .type = NLA_NESTED },
129 [ETHTOOL_A_EEE_ENABLED] = { .type = NLA_U8 },
130 [ETHTOOL_A_EEE_TX_LPI_ENABLED] = { .type = NLA_U8 },
131 [ETHTOOL_A_EEE_TX_LPI_TIMER] = { .type = NLA_U32 },
132};
133
134int ethnl_set_eee(struct sk_buff *skb, struct genl_info *info)
135{
136 struct ethnl_req_info req_info = {};
137 struct nlattr **tb = info->attrs;
138 const struct ethtool_ops *ops;
139 struct ethtool_eee eee = {};
140 struct net_device *dev;
141 bool mod = false;
142 int ret;
143
144 ret = ethnl_parse_header_dev_get(&req_info,
145 tb[ETHTOOL_A_EEE_HEADER],
146 genl_info_net(info), info->extack,
147 true);
148 if (ret < 0)
149 return ret;
150 dev = req_info.dev;
151 ops = dev->ethtool_ops;
152 ret = -EOPNOTSUPP;
153 if (!ops->get_eee || !ops->set_eee)
154 goto out_dev;
155
156 rtnl_lock();
157 ret = ethnl_ops_begin(dev);
158 if (ret < 0)
159 goto out_rtnl;
160 ret = ops->get_eee(dev, &eee);
161 if (ret < 0)
162 goto out_ops;
163
164 ret = ethnl_update_bitset32(&eee.advertised, EEE_MODES_COUNT,
165 tb[ETHTOOL_A_EEE_MODES_OURS],
166 link_mode_names, info->extack, &mod);
167 if (ret < 0)
168 goto out_ops;
169 ethnl_update_bool32(&eee.eee_enabled, tb[ETHTOOL_A_EEE_ENABLED], &mod);
170 ethnl_update_bool32(&eee.tx_lpi_enabled,
171 tb[ETHTOOL_A_EEE_TX_LPI_ENABLED], &mod);
172 ethnl_update_u32(&eee.tx_lpi_timer, tb[ETHTOOL_A_EEE_TX_LPI_TIMER],
173 &mod);
174 ret = 0;
175 if (!mod)
176 goto out_ops;
177
178 ret = dev->ethtool_ops->set_eee(dev, &eee);
179 if (ret < 0)
180 goto out_ops;
181 ethtool_notify(dev, ETHTOOL_MSG_EEE_NTF, NULL);
182
183out_ops:
184 ethnl_ops_complete(dev);
185out_rtnl:
186 rtnl_unlock();
187out_dev:
188 ethnl_parse_header_dev_put(&req_info);
189 return ret;
190}