12 #include <linux/netfilter/nf_tables.h>
15 #include <libmnl/libmnl.h>
16 #include <libnftnl/object.h>
20 static int nftnl_obj_quota_set(
struct nftnl_obj *e, uint16_t type,
21 const void *data, uint32_t data_len)
23 struct nftnl_obj_quota *quota = nftnl_obj_data(e);
26 case NFTNL_OBJ_QUOTA_BYTES:
27 memcpy("a->bytes, data, data_len);
29 case NFTNL_OBJ_QUOTA_CONSUMED:
30 memcpy("a->consumed, data, data_len);
32 case NFTNL_OBJ_QUOTA_FLAGS:
33 memcpy("a->flags, data, data_len);
39 static const void *nftnl_obj_quota_get(
const struct nftnl_obj *e,
40 uint16_t type, uint32_t *data_len)
42 struct nftnl_obj_quota *quota = nftnl_obj_data(e);
45 case NFTNL_OBJ_QUOTA_BYTES:
46 *data_len =
sizeof(quota->bytes);
48 case NFTNL_OBJ_QUOTA_CONSUMED:
49 *data_len =
sizeof(quota->consumed);
50 return "a->consumed;
51 case NFTNL_OBJ_QUOTA_FLAGS:
52 *data_len =
sizeof(quota->flags);
58 static int nftnl_obj_quota_cb(
const struct nlattr *attr,
void *data)
60 int type = mnl_attr_get_type(attr);
61 const struct nlattr **tb = data;
63 if (mnl_attr_type_valid(attr, NFTA_QUOTA_MAX) < 0)
67 case NFTA_QUOTA_BYTES:
68 case NFTA_QUOTA_CONSUMED:
69 if (mnl_attr_validate(attr, MNL_TYPE_U64) < 0)
72 case NFTA_QUOTA_FLAGS:
73 if (mnl_attr_validate(attr, MNL_TYPE_U32) < 0)
83 nftnl_obj_quota_build(
struct nlmsghdr *nlh,
const struct nftnl_obj *e)
85 struct nftnl_obj_quota *quota = nftnl_obj_data(e);
87 if (e->flags & (1 << NFTNL_OBJ_QUOTA_BYTES))
88 mnl_attr_put_u64(nlh, NFTA_QUOTA_BYTES, htobe64(quota->bytes));
89 if (e->flags & (1 << NFTNL_OBJ_QUOTA_CONSUMED))
90 mnl_attr_put_u64(nlh, NFTA_QUOTA_CONSUMED,
91 htobe64(quota->consumed));
92 if (e->flags & (1 << NFTNL_OBJ_QUOTA_FLAGS))
93 mnl_attr_put_u32(nlh, NFTA_QUOTA_FLAGS, htonl(quota->flags));
97 nftnl_obj_quota_parse(
struct nftnl_obj *e,
struct nlattr *attr)
99 struct nftnl_obj_quota *quota = nftnl_obj_data(e);
100 struct nlattr *tb[NFTA_QUOTA_MAX + 1] = {};
102 if (mnl_attr_parse_nested(attr, nftnl_obj_quota_cb, tb) < 0)
105 if (tb[NFTA_QUOTA_BYTES]) {
106 quota->bytes = be64toh(mnl_attr_get_u64(tb[NFTA_QUOTA_BYTES]));
107 e->flags |= (1 << NFTNL_OBJ_QUOTA_BYTES);
109 if (tb[NFTA_QUOTA_CONSUMED]) {
111 be64toh(mnl_attr_get_u64(tb[NFTA_QUOTA_CONSUMED]));
112 e->flags |= (1 << NFTNL_OBJ_QUOTA_CONSUMED);
114 if (tb[NFTA_QUOTA_FLAGS]) {
115 quota->flags = ntohl(mnl_attr_get_u32(tb[NFTA_QUOTA_FLAGS]));
116 e->flags |= (1 << NFTNL_OBJ_QUOTA_FLAGS);
122 static int nftnl_obj_quota_snprintf(
char *buf,
size_t len,
124 const struct nftnl_obj *e)
126 struct nftnl_obj_quota *quota = nftnl_obj_data(e);
128 return snprintf(buf, len,
"bytes %"PRIu64
" flags %u ",
129 quota->bytes, quota->flags);
132 static struct attr_policy obj_quota_attr_policy[__NFTNL_OBJ_QUOTA_MAX] = {
133 [NFTNL_OBJ_QUOTA_BYTES] = { .maxlen =
sizeof(uint64_t) },
134 [NFTNL_OBJ_QUOTA_CONSUMED] = { .maxlen =
sizeof(uint64_t) },
135 [NFTNL_OBJ_QUOTA_FLAGS] = { .maxlen =
sizeof(uint32_t) },
138 struct obj_ops obj_ops_quota = {
140 .type = NFT_OBJECT_QUOTA,
141 .alloc_len =
sizeof(
struct nftnl_obj_quota),
142 .nftnl_max_attr = __NFTNL_OBJ_QUOTA_MAX - 1,
143 .attr_policy = obj_quota_attr_policy,
144 .set = nftnl_obj_quota_set,
145 .get = nftnl_obj_quota_get,
146 .parse = nftnl_obj_quota_parse,
147 .build = nftnl_obj_quota_build,
148 .output = nftnl_obj_quota_snprintf,