1 // SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
2 /* Do not edit directly, auto-generated from: */
3 /* Documentation/netlink/specs/netdev.yaml */
4 /* YNL-GEN user source */
5
6 #include <stdlib.h>
7 #include <string.h>
8 #include "netdev-user.h"
9 #include "ynl.h"
10 #include <linux/netdev.h>
11
12 #include <libmnl/libmnl.h>
13 #include <linux/genetlink.h>
14
15 /* Enums */
16 static const char * const netdev_op_strmap[] = {
17 [NETDEV_CMD_DEV_GET] = "dev-get",
18 [NETDEV_CMD_DEV_ADD_NTF] = "dev-add-ntf",
19 [NETDEV_CMD_DEV_DEL_NTF] = "dev-del-ntf",
20 [NETDEV_CMD_DEV_CHANGE_NTF] = "dev-change-ntf",
21 };
22
netdev_op_str(int op)23 const char *netdev_op_str(int op)
24 {
25 if (op < 0 || op >= (int)MNL_ARRAY_SIZE(netdev_op_strmap))
26 return NULL;
27 return netdev_op_strmap[op];
28 }
29
30 static const char * const netdev_xdp_act_strmap[] = {
31 [0] = "basic",
32 [1] = "redirect",
33 [2] = "ndo-xmit",
34 [3] = "xsk-zerocopy",
35 [4] = "hw-offload",
36 [5] = "rx-sg",
37 [6] = "ndo-xmit-sg",
38 };
39
netdev_xdp_act_str(enum netdev_xdp_act value)40 const char *netdev_xdp_act_str(enum netdev_xdp_act value)
41 {
42 value = ffs(value) - 1;
43 if (value < 0 || value >= (int)MNL_ARRAY_SIZE(netdev_xdp_act_strmap))
44 return NULL;
45 return netdev_xdp_act_strmap[value];
46 }
47
48 /* Policies */
49 struct ynl_policy_attr netdev_dev_policy[NETDEV_A_DEV_MAX + 1] = {
50 [NETDEV_A_DEV_IFINDEX] = { .name = "ifindex", .type = YNL_PT_U32, },
51 [NETDEV_A_DEV_PAD] = { .name = "pad", .type = YNL_PT_IGNORE, },
52 [NETDEV_A_DEV_XDP_FEATURES] = { .name = "xdp-features", .type = YNL_PT_U64, },
53 [NETDEV_A_DEV_XDP_ZC_MAX_SEGS] = { .name = "xdp-zc-max-segs", .type = YNL_PT_U32, },
54 };
55
56 struct ynl_policy_nest netdev_dev_nest = {
57 .max_attr = NETDEV_A_DEV_MAX,
58 .table = netdev_dev_policy,
59 };
60
61 /* Common nested types */
62 /* ============== NETDEV_CMD_DEV_GET ============== */
63 /* NETDEV_CMD_DEV_GET - do */
netdev_dev_get_req_free(struct netdev_dev_get_req * req)64 void netdev_dev_get_req_free(struct netdev_dev_get_req *req)
65 {
66 free(req);
67 }
68
netdev_dev_get_rsp_free(struct netdev_dev_get_rsp * rsp)69 void netdev_dev_get_rsp_free(struct netdev_dev_get_rsp *rsp)
70 {
71 free(rsp);
72 }
73
netdev_dev_get_rsp_parse(const struct nlmsghdr * nlh,void * data)74 int netdev_dev_get_rsp_parse(const struct nlmsghdr *nlh, void *data)
75 {
76 struct ynl_parse_arg *yarg = data;
77 struct netdev_dev_get_rsp *dst;
78 const struct nlattr *attr;
79
80 dst = yarg->data;
81
82 mnl_attr_for_each(attr, nlh, sizeof(struct genlmsghdr)) {
83 unsigned int type = mnl_attr_get_type(attr);
84
85 if (type == NETDEV_A_DEV_IFINDEX) {
86 if (ynl_attr_validate(yarg, attr))
87 return MNL_CB_ERROR;
88 dst->_present.ifindex = 1;
89 dst->ifindex = mnl_attr_get_u32(attr);
90 } else if (type == NETDEV_A_DEV_XDP_FEATURES) {
91 if (ynl_attr_validate(yarg, attr))
92 return MNL_CB_ERROR;
93 dst->_present.xdp_features = 1;
94 dst->xdp_features = mnl_attr_get_u64(attr);
95 } else if (type == NETDEV_A_DEV_XDP_ZC_MAX_SEGS) {
96 if (ynl_attr_validate(yarg, attr))
97 return MNL_CB_ERROR;
98 dst->_present.xdp_zc_max_segs = 1;
99 dst->xdp_zc_max_segs = mnl_attr_get_u32(attr);
100 }
101 }
102
103 return MNL_CB_OK;
104 }
105
106 struct netdev_dev_get_rsp *
netdev_dev_get(struct ynl_sock * ys,struct netdev_dev_get_req * req)107 netdev_dev_get(struct ynl_sock *ys, struct netdev_dev_get_req *req)
108 {
109 struct ynl_req_state yrs = { .yarg = { .ys = ys, }, };
110 struct netdev_dev_get_rsp *rsp;
111 struct nlmsghdr *nlh;
112 int err;
113
114 nlh = ynl_gemsg_start_req(ys, ys->family_id, NETDEV_CMD_DEV_GET, 1);
115 ys->req_policy = &netdev_dev_nest;
116 yrs.yarg.rsp_policy = &netdev_dev_nest;
117
118 if (req->_present.ifindex)
119 mnl_attr_put_u32(nlh, NETDEV_A_DEV_IFINDEX, req->ifindex);
120
121 rsp = calloc(1, sizeof(*rsp));
122 yrs.yarg.data = rsp;
123 yrs.cb = netdev_dev_get_rsp_parse;
124 yrs.rsp_cmd = NETDEV_CMD_DEV_GET;
125
126 err = ynl_exec(ys, nlh, &yrs);
127 if (err < 0)
128 goto err_free;
129
130 return rsp;
131
132 err_free:
133 netdev_dev_get_rsp_free(rsp);
134 return NULL;
135 }
136
137 /* NETDEV_CMD_DEV_GET - dump */
netdev_dev_get_list_free(struct netdev_dev_get_list * rsp)138 void netdev_dev_get_list_free(struct netdev_dev_get_list *rsp)
139 {
140 struct netdev_dev_get_list *next = rsp;
141
142 while ((void *)next != YNL_LIST_END) {
143 rsp = next;
144 next = rsp->next;
145
146 free(rsp);
147 }
148 }
149
netdev_dev_get_dump(struct ynl_sock * ys)150 struct netdev_dev_get_list *netdev_dev_get_dump(struct ynl_sock *ys)
151 {
152 struct ynl_dump_state yds = {};
153 struct nlmsghdr *nlh;
154 int err;
155
156 yds.ys = ys;
157 yds.alloc_sz = sizeof(struct netdev_dev_get_list);
158 yds.cb = netdev_dev_get_rsp_parse;
159 yds.rsp_cmd = NETDEV_CMD_DEV_GET;
160 yds.rsp_policy = &netdev_dev_nest;
161
162 nlh = ynl_gemsg_start_dump(ys, ys->family_id, NETDEV_CMD_DEV_GET, 1);
163
164 err = ynl_exec_dump(ys, nlh, &yds);
165 if (err < 0)
166 goto free_list;
167
168 return yds.first;
169
170 free_list:
171 netdev_dev_get_list_free(yds.first);
172 return NULL;
173 }
174
175 /* NETDEV_CMD_DEV_GET - notify */
netdev_dev_get_ntf_free(struct netdev_dev_get_ntf * rsp)176 void netdev_dev_get_ntf_free(struct netdev_dev_get_ntf *rsp)
177 {
178 free(rsp);
179 }
180
181 static const struct ynl_ntf_info netdev_ntf_info[] = {
182 [NETDEV_CMD_DEV_ADD_NTF] = {
183 .alloc_sz = sizeof(struct netdev_dev_get_ntf),
184 .cb = netdev_dev_get_rsp_parse,
185 .policy = &netdev_dev_nest,
186 .free = (void *)netdev_dev_get_ntf_free,
187 },
188 [NETDEV_CMD_DEV_DEL_NTF] = {
189 .alloc_sz = sizeof(struct netdev_dev_get_ntf),
190 .cb = netdev_dev_get_rsp_parse,
191 .policy = &netdev_dev_nest,
192 .free = (void *)netdev_dev_get_ntf_free,
193 },
194 [NETDEV_CMD_DEV_CHANGE_NTF] = {
195 .alloc_sz = sizeof(struct netdev_dev_get_ntf),
196 .cb = netdev_dev_get_rsp_parse,
197 .policy = &netdev_dev_nest,
198 .free = (void *)netdev_dev_get_ntf_free,
199 },
200 };
201
202 const struct ynl_family ynl_netdev_family = {
203 .name = "netdev",
204 .ntf_info = netdev_ntf_info,
205 .ntf_info_size = MNL_ARRAY_SIZE(netdev_ntf_info),
206 };
207