12 #include <arpa/inet.h>
16 #include <linux/netfilter/nf_tables.h>
19 #include <libmnl/libmnl.h>
20 #include <libnftnl/object.h>
24 static int nftnl_obj_quota_set(
struct nftnl_obj *e, uint16_t type,
25 const void *data, uint32_t data_len)
27 struct nftnl_obj_quota *quota = nftnl_obj_data(e);
30 case NFTNL_OBJ_QUOTA_BYTES:
31 memcpy("a->bytes, data, data_len);
33 case NFTNL_OBJ_QUOTA_CONSUMED:
34 memcpy("a->consumed, data, data_len);
36 case NFTNL_OBJ_QUOTA_FLAGS:
37 memcpy("a->flags, data, data_len);
43 static const void *nftnl_obj_quota_get(
const struct nftnl_obj *e,
44 uint16_t type, uint32_t *data_len)
46 struct nftnl_obj_quota *quota = nftnl_obj_data(e);
49 case NFTNL_OBJ_QUOTA_BYTES:
50 *data_len =
sizeof(quota->bytes);
52 case NFTNL_OBJ_QUOTA_CONSUMED:
53 *data_len =
sizeof(quota->consumed);
54 return "a->consumed;
55 case NFTNL_OBJ_QUOTA_FLAGS:
56 *data_len =
sizeof(quota->flags);
62 static int nftnl_obj_quota_cb(
const struct nlattr *attr,
void *data)
64 int type = mnl_attr_get_type(attr);
65 const struct nlattr **tb = data;
67 if (mnl_attr_type_valid(attr, NFTA_QUOTA_MAX) < 0)
71 case NFTA_QUOTA_BYTES:
72 case NFTA_QUOTA_CONSUMED:
73 if (mnl_attr_validate(attr, MNL_TYPE_U64) < 0)
76 case NFTA_QUOTA_FLAGS:
77 if (mnl_attr_validate(attr, MNL_TYPE_U32) < 0)
87 nftnl_obj_quota_build(
struct nlmsghdr *nlh,
const struct nftnl_obj *e)
89 struct nftnl_obj_quota *quota = nftnl_obj_data(e);
91 if (e->flags & (1 << NFTNL_OBJ_QUOTA_BYTES))
92 mnl_attr_put_u64(nlh, NFTA_QUOTA_BYTES, htobe64(quota->bytes));
93 if (e->flags & (1 << NFTNL_OBJ_QUOTA_CONSUMED))
94 mnl_attr_put_u64(nlh, NFTA_QUOTA_CONSUMED,
95 htobe64(quota->consumed));
96 if (e->flags & (1 << NFTNL_OBJ_QUOTA_FLAGS))
97 mnl_attr_put_u32(nlh, NFTA_QUOTA_FLAGS, htonl(quota->flags));
101 nftnl_obj_quota_parse(
struct nftnl_obj *e,
struct nlattr *attr)
103 struct nftnl_obj_quota *quota = nftnl_obj_data(e);
104 struct nlattr *tb[NFTA_QUOTA_MAX + 1] = {};
106 if (mnl_attr_parse_nested(attr, nftnl_obj_quota_cb, tb) < 0)
109 if (tb[NFTA_QUOTA_BYTES]) {
110 quota->bytes = be64toh(mnl_attr_get_u64(tb[NFTA_QUOTA_BYTES]));
111 e->flags |= (1 << NFTNL_OBJ_QUOTA_BYTES);
113 if (tb[NFTA_QUOTA_CONSUMED]) {
115 be64toh(mnl_attr_get_u64(tb[NFTA_QUOTA_CONSUMED]));
116 e->flags |= (1 << NFTNL_OBJ_QUOTA_CONSUMED);
118 if (tb[NFTA_QUOTA_FLAGS]) {
119 quota->flags = ntohl(mnl_attr_get_u32(tb[NFTA_QUOTA_FLAGS]));
120 e->flags |= (1 << NFTNL_OBJ_QUOTA_FLAGS);
126 static int nftnl_obj_quota_snprintf(
char *buf,
size_t len,
128 const struct nftnl_obj *e)
130 struct nftnl_obj_quota *quota = nftnl_obj_data(e);
132 return snprintf(buf, len,
"bytes %"PRIu64
" flags %u ",
133 quota->bytes, quota->flags);
136 static struct attr_policy obj_quota_attr_policy[__NFTNL_OBJ_QUOTA_MAX] = {
137 [NFTNL_OBJ_QUOTA_BYTES] = { .maxlen =
sizeof(uint64_t) },
138 [NFTNL_OBJ_QUOTA_CONSUMED] = { .maxlen =
sizeof(uint64_t) },
139 [NFTNL_OBJ_QUOTA_FLAGS] = { .maxlen =
sizeof(uint32_t) },
142 struct obj_ops obj_ops_quota = {
144 .type = NFT_OBJECT_QUOTA,
145 .alloc_len =
sizeof(
struct nftnl_obj_quota),
146 .nftnl_max_attr = __NFTNL_OBJ_QUOTA_MAX - 1,
147 .attr_policy = obj_quota_attr_policy,
148 .set = nftnl_obj_quota_set,
149 .get = nftnl_obj_quota_get,
150 .parse = nftnl_obj_quota_parse,
151 .build = nftnl_obj_quota_build,
152 .output = nftnl_obj_quota_snprintf,