4 #include <netinet/in.h>
6 #include <linux/netfilter.h>
7 #include <linux/netfilter/nf_tables.h>
9 #include <libmnl/libmnl.h>
10 #include <libnftnl/flowtable.h>
12 static struct nftnl_flowtable *flowtable_del_parse(
int argc,
char *argv[])
16 t = nftnl_flowtable_alloc();
22 nftnl_flowtable_set_str(t, NFTNL_FLOWTABLE_TABLE, argv[2]);
23 nftnl_flowtable_set_str(t, NFTNL_FLOWTABLE_NAME, argv[3]);
28 int main(
int argc,
char *argv[])
30 struct mnl_socket *nl;
31 struct mnl_nlmsg_batch *batch;
32 char buf[MNL_SOCKET_BUFFER_SIZE];
34 uint32_t portid, seq, flowtable_seq;
36 int ret, family, batching;
39 fprintf(stderr,
"Usage: %s <family> <table> <flowtable>\n",
44 if (strcmp(argv[1],
"ip") == 0)
45 family = NFPROTO_IPV4;
46 else if (strcmp(argv[1],
"ip6") == 0)
47 family = NFPROTO_IPV6;
48 else if (strcmp(argv[1],
"bridge") == 0)
49 family = NFPROTO_BRIDGE;
50 else if (strcmp(argv[1],
"arp") == 0)
53 fprintf(stderr,
"Unknown family: ip, ip6, bridge, arp\n");
57 t = flowtable_del_parse(argc, argv);
61 batching = nftnl_batch_is_supported();
63 perror(
"cannot talk to nfnetlink");
68 batch = mnl_nlmsg_batch_start(buf,
sizeof(buf));
71 nftnl_batch_begin(mnl_nlmsg_batch_current(batch), seq++);
72 mnl_nlmsg_batch_next(batch);
76 nlh = nftnl_flowtable_nlmsg_build_hdr(mnl_nlmsg_batch_current(batch),
77 NFT_MSG_DELFLOWTABLE, family,
79 nftnl_flowtable_nlmsg_build_payload(nlh, t);
80 nftnl_flowtable_free(t);
81 mnl_nlmsg_batch_next(batch);
84 nftnl_batch_end(mnl_nlmsg_batch_current(batch), seq++);
85 mnl_nlmsg_batch_next(batch);
88 nl = mnl_socket_open(NETLINK_NETFILTER);
90 perror(
"mnl_socket_open");
94 if (mnl_socket_bind(nl, 0, MNL_SOCKET_AUTOPID) < 0) {
95 perror(
"mnl_socket_bind");
98 portid = mnl_socket_get_portid(nl);
100 if (mnl_socket_sendto(nl, mnl_nlmsg_batch_head(batch),
101 mnl_nlmsg_batch_size(batch)) < 0) {
102 perror(
"mnl_socket_send");
106 mnl_nlmsg_batch_stop(batch);
108 ret = mnl_socket_recvfrom(nl, buf,
sizeof(buf));
110 ret = mnl_cb_run(buf, ret, flowtable_seq, portid, NULL, NULL);
113 ret = mnl_socket_recvfrom(nl, buf,
sizeof(buf));
119 mnl_socket_close(nl);