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1// SPDX-License-Identifier: GPL-2.0
2#define BPF_NO_KFUNC_PROTOTYPES
3#include <vmlinux.h>
4#include <bpf/bpf_helpers.h>
5#include <bpf/bpf_endian.h>
6
7#define EAFNOSUPPORT 97
8#define EPROTO 71
9#define ENONET 64
10#define EINVAL 22
11#define ENOENT 2
12
13#define NF_CT_ZONE_DIR_ORIG (1 << IP_CT_DIR_ORIGINAL)
14#define NF_CT_ZONE_DIR_REPL (1 << IP_CT_DIR_REPLY)
15
16extern unsigned long CONFIG_HZ __kconfig;
17
18int test_einval_bpf_tuple = 0;
19int test_einval_reserved = 0;
20int test_einval_reserved_new = 0;
21int test_einval_netns_id = 0;
22int test_einval_len_opts = 0;
23int test_eproto_l4proto = 0;
24int test_enonet_netns_id = 0;
25int test_enoent_lookup = 0;
26int test_eafnosupport = 0;
27int test_alloc_entry = -EINVAL;
28int test_insert_entry = -EAFNOSUPPORT;
29int test_succ_lookup = -ENOENT;
30int test_ct_zone_id_alloc_entry = -EINVAL;
31int test_ct_zone_id_insert_entry = -EAFNOSUPPORT;
32int test_ct_zone_id_succ_lookup = -ENOENT;
33int test_ct_zone_dir_enoent_lookup = 0;
34int test_ct_zone_id_enoent_lookup = 0;
35u32 test_delta_timeout = 0;
36u32 test_status = 0;
37u32 test_insert_lookup_mark = 0;
38int test_snat_addr = -EINVAL;
39int test_dnat_addr = -EINVAL;
40__be32 saddr = 0;
41__be16 sport = 0;
42__be32 daddr = 0;
43__be16 dport = 0;
44int test_exist_lookup = -ENOENT;
45u32 test_exist_lookup_mark = 0;
46
47enum nf_nat_manip_type___local {
48 NF_NAT_MANIP_SRC___local,
49 NF_NAT_MANIP_DST___local
50};
51
52struct nf_conn;
53
54struct bpf_ct_opts___local {
55 s32 netns_id;
56 s32 error;
57 u8 l4proto;
58 u8 dir;
59 u8 reserved[2];
60};
61
62struct bpf_ct_opts___new {
63 s32 netns_id;
64 s32 error;
65 u8 l4proto;
66 u8 dir;
67 u16 ct_zone_id;
68 u8 ct_zone_dir;
69 u8 reserved[3];
70} __attribute__((preserve_access_index));
71
72struct nf_conn *bpf_xdp_ct_alloc(struct xdp_md *, struct bpf_sock_tuple *, u32,
73 struct bpf_ct_opts___local *, u32) __ksym;
74struct nf_conn *bpf_xdp_ct_lookup(struct xdp_md *, struct bpf_sock_tuple *, u32,
75 struct bpf_ct_opts___local *, u32) __ksym;
76struct nf_conn *bpf_skb_ct_alloc(struct __sk_buff *, struct bpf_sock_tuple *, u32,
77 struct bpf_ct_opts___local *, u32) __ksym;
78struct nf_conn *bpf_skb_ct_lookup(struct __sk_buff *, struct bpf_sock_tuple *, u32,
79 struct bpf_ct_opts___local *, u32) __ksym;
80struct nf_conn *bpf_ct_insert_entry(struct nf_conn *) __ksym;
81void bpf_ct_release(struct nf_conn *) __ksym;
82void bpf_ct_set_timeout(struct nf_conn *, u32) __ksym;
83int bpf_ct_change_timeout(struct nf_conn *, u32) __ksym;
84int bpf_ct_set_status(struct nf_conn *, u32) __ksym;
85int bpf_ct_change_status(struct nf_conn *, u32) __ksym;
86int bpf_ct_set_nat_info(struct nf_conn *, union nf_inet_addr *,
87 int port, enum nf_nat_manip_type___local) __ksym;
88
89static __always_inline void
90nf_ct_test(struct nf_conn *(*lookup_fn)(void *, struct bpf_sock_tuple *, u32,
91 struct bpf_ct_opts___local *, u32),
92 struct nf_conn *(*alloc_fn)(void *, struct bpf_sock_tuple *, u32,
93 struct bpf_ct_opts___local *, u32),
94 void *ctx)
95{
96 struct bpf_ct_opts___local opts_def = { .l4proto = IPPROTO_TCP, .netns_id = -1 };
97 struct bpf_sock_tuple bpf_tuple;
98 struct nf_conn *ct;
99
100 __builtin_memset(&bpf_tuple, 0, sizeof(bpf_tuple.ipv4));
101
102 ct = lookup_fn(ctx, NULL, 0, &opts_def, sizeof(opts_def));
103 if (ct)
104 bpf_ct_release(ct);
105 else
106 test_einval_bpf_tuple = opts_def.error;
107
108 opts_def.reserved[0] = 1;
109 ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
110 sizeof(opts_def));
111 opts_def.reserved[0] = 0;
112 opts_def.l4proto = IPPROTO_TCP;
113 if (ct)
114 bpf_ct_release(ct);
115 else
116 test_einval_reserved = opts_def.error;
117
118 opts_def.netns_id = -2;
119 ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
120 sizeof(opts_def));
121 opts_def.netns_id = -1;
122 if (ct)
123 bpf_ct_release(ct);
124 else
125 test_einval_netns_id = opts_def.error;
126
127 ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
128 sizeof(opts_def) - 1);
129 if (ct)
130 bpf_ct_release(ct);
131 else
132 test_einval_len_opts = opts_def.error;
133
134 opts_def.l4proto = IPPROTO_ICMP;
135 ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
136 sizeof(opts_def));
137 opts_def.l4proto = IPPROTO_TCP;
138 if (ct)
139 bpf_ct_release(ct);
140 else
141 test_eproto_l4proto = opts_def.error;
142
143 opts_def.netns_id = 0xf00f;
144 ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
145 sizeof(opts_def));
146 opts_def.netns_id = -1;
147 if (ct)
148 bpf_ct_release(ct);
149 else
150 test_enonet_netns_id = opts_def.error;
151
152 ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
153 sizeof(opts_def));
154 if (ct)
155 bpf_ct_release(ct);
156 else
157 test_enoent_lookup = opts_def.error;
158
159 ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4) - 1, &opts_def,
160 sizeof(opts_def));
161 if (ct)
162 bpf_ct_release(ct);
163 else
164 test_eafnosupport = opts_def.error;
165
166 bpf_tuple.ipv4.saddr = bpf_get_prandom_u32(); /* src IP */
167 bpf_tuple.ipv4.daddr = bpf_get_prandom_u32(); /* dst IP */
168 bpf_tuple.ipv4.sport = bpf_get_prandom_u32(); /* src port */
169 bpf_tuple.ipv4.dport = bpf_get_prandom_u32(); /* dst port */
170
171 ct = alloc_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
172 sizeof(opts_def));
173 if (ct) {
174 __u16 sport = bpf_get_prandom_u32();
175 __u16 dport = bpf_get_prandom_u32();
176 union nf_inet_addr saddr = {};
177 union nf_inet_addr daddr = {};
178 struct nf_conn *ct_ins;
179
180 bpf_ct_set_timeout(ct, 10000);
181 ct->mark = 77;
182
183 /* snat */
184 saddr.ip = bpf_get_prandom_u32();
185 bpf_ct_set_nat_info(ct, &saddr, sport, NF_NAT_MANIP_SRC___local);
186 /* dnat */
187 daddr.ip = bpf_get_prandom_u32();
188 bpf_ct_set_nat_info(ct, &daddr, dport, NF_NAT_MANIP_DST___local);
189
190 ct_ins = bpf_ct_insert_entry(ct);
191 if (ct_ins) {
192 struct nf_conn *ct_lk;
193
194 ct_lk = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4),
195 &opts_def, sizeof(opts_def));
196 if (ct_lk) {
197 struct nf_conntrack_tuple *tuple;
198
199 /* check snat and dnat addresses */
200 tuple = &ct_lk->tuplehash[IP_CT_DIR_REPLY].tuple;
201 if (tuple->dst.u3.ip == saddr.ip &&
202 tuple->dst.u.all == bpf_htons(sport))
203 test_snat_addr = 0;
204 if (tuple->src.u3.ip == daddr.ip &&
205 tuple->src.u.all == bpf_htons(dport))
206 test_dnat_addr = 0;
207
208 /* update ct entry timeout */
209 bpf_ct_change_timeout(ct_lk, 10000);
210 test_delta_timeout = ct_lk->timeout - bpf_jiffies64();
211 test_delta_timeout /= CONFIG_HZ;
212 test_insert_lookup_mark = ct_lk->mark;
213 bpf_ct_change_status(ct_lk,
214 IPS_CONFIRMED | IPS_SEEN_REPLY);
215 test_status = ct_lk->status;
216
217 bpf_ct_release(ct_lk);
218 test_succ_lookup = 0;
219 }
220 bpf_ct_release(ct_ins);
221 test_insert_entry = 0;
222 }
223 test_alloc_entry = 0;
224 }
225
226 bpf_tuple.ipv4.saddr = saddr;
227 bpf_tuple.ipv4.daddr = daddr;
228 bpf_tuple.ipv4.sport = sport;
229 bpf_tuple.ipv4.dport = dport;
230 ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
231 sizeof(opts_def));
232 if (ct) {
233 test_exist_lookup = 0;
234 if (ct->mark == 42) {
235 ct->mark++;
236 test_exist_lookup_mark = ct->mark;
237 }
238 bpf_ct_release(ct);
239 } else {
240 test_exist_lookup = opts_def.error;
241 }
242}
243
244static __always_inline void
245nf_ct_opts_new_test(struct nf_conn *(*lookup_fn)(void *, struct bpf_sock_tuple *, u32,
246 struct bpf_ct_opts___new *, u32),
247 struct nf_conn *(*alloc_fn)(void *, struct bpf_sock_tuple *, u32,
248 struct bpf_ct_opts___new *, u32),
249 void *ctx)
250{
251 struct bpf_ct_opts___new opts_def = { .l4proto = IPPROTO_TCP, .netns_id = -1 };
252 struct bpf_sock_tuple bpf_tuple;
253 struct nf_conn *ct;
254
255 __builtin_memset(&bpf_tuple, 0, sizeof(bpf_tuple.ipv4));
256
257 opts_def.reserved[0] = 1;
258 ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
259 sizeof(opts_def));
260 opts_def.reserved[0] = 0;
261 if (ct)
262 bpf_ct_release(ct);
263 else
264 test_einval_reserved_new = opts_def.error;
265
266 bpf_tuple.ipv4.saddr = bpf_get_prandom_u32(); /* src IP */
267 bpf_tuple.ipv4.daddr = bpf_get_prandom_u32(); /* dst IP */
268 bpf_tuple.ipv4.sport = bpf_get_prandom_u32(); /* src port */
269 bpf_tuple.ipv4.dport = bpf_get_prandom_u32(); /* dst port */
270
271 /* use non-default ct zone */
272 opts_def.ct_zone_id = 10;
273 opts_def.ct_zone_dir = NF_CT_ZONE_DIR_ORIG;
274 ct = alloc_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
275 sizeof(opts_def));
276 if (ct) {
277 __u16 sport = bpf_get_prandom_u32();
278 __u16 dport = bpf_get_prandom_u32();
279 union nf_inet_addr saddr = {};
280 union nf_inet_addr daddr = {};
281 struct nf_conn *ct_ins;
282
283 bpf_ct_set_timeout(ct, 10000);
284
285 /* snat */
286 saddr.ip = bpf_get_prandom_u32();
287 bpf_ct_set_nat_info(ct, &saddr, sport, NF_NAT_MANIP_SRC___local);
288 /* dnat */
289 daddr.ip = bpf_get_prandom_u32();
290 bpf_ct_set_nat_info(ct, &daddr, dport, NF_NAT_MANIP_DST___local);
291
292 ct_ins = bpf_ct_insert_entry(ct);
293 if (ct_ins) {
294 struct nf_conn *ct_lk;
295
296 /* entry should exist in same ct zone we inserted it */
297 ct_lk = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4),
298 &opts_def, sizeof(opts_def));
299 if (ct_lk) {
300 bpf_ct_release(ct_lk);
301 test_ct_zone_id_succ_lookup = 0;
302 }
303
304 /* entry should not exist with wrong direction */
305 opts_def.ct_zone_dir = NF_CT_ZONE_DIR_REPL;
306 ct_lk = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4),
307 &opts_def, sizeof(opts_def));
308 opts_def.ct_zone_dir = NF_CT_ZONE_DIR_ORIG;
309 if (ct_lk)
310 bpf_ct_release(ct_lk);
311 else
312 test_ct_zone_dir_enoent_lookup = opts_def.error;
313
314 /* entry should not exist in default ct zone */
315 opts_def.ct_zone_id = 0;
316 ct_lk = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4),
317 &opts_def, sizeof(opts_def));
318 if (ct_lk)
319 bpf_ct_release(ct_lk);
320 else
321 test_ct_zone_id_enoent_lookup = opts_def.error;
322
323 bpf_ct_release(ct_ins);
324 test_ct_zone_id_insert_entry = 0;
325 }
326 test_ct_zone_id_alloc_entry = 0;
327 }
328}
329
330SEC("xdp")
331int nf_xdp_ct_test(struct xdp_md *ctx)
332{
333 nf_ct_test((void *)bpf_xdp_ct_lookup, (void *)bpf_xdp_ct_alloc, ctx);
334 nf_ct_opts_new_test((void *)bpf_xdp_ct_lookup, (void *)bpf_xdp_ct_alloc, ctx);
335 return 0;
336}
337
338SEC("tc")
339int nf_skb_ct_test(struct __sk_buff *ctx)
340{
341 nf_ct_test((void *)bpf_skb_ct_lookup, (void *)bpf_skb_ct_alloc, ctx);
342 nf_ct_opts_new_test((void *)bpf_skb_ct_lookup, (void *)bpf_skb_ct_alloc, ctx);
343 return 0;
344}
345
346char _license[] SEC("license") = "GPL";
1// SPDX-License-Identifier: GPL-2.0
2#include <vmlinux.h>
3#include <bpf/bpf_helpers.h>
4#include <bpf/bpf_endian.h>
5
6#define EAFNOSUPPORT 97
7#define EPROTO 71
8#define ENONET 64
9#define EINVAL 22
10#define ENOENT 2
11
12extern unsigned long CONFIG_HZ __kconfig;
13
14int test_einval_bpf_tuple = 0;
15int test_einval_reserved = 0;
16int test_einval_netns_id = 0;
17int test_einval_len_opts = 0;
18int test_eproto_l4proto = 0;
19int test_enonet_netns_id = 0;
20int test_enoent_lookup = 0;
21int test_eafnosupport = 0;
22int test_alloc_entry = -EINVAL;
23int test_insert_entry = -EAFNOSUPPORT;
24int test_succ_lookup = -ENOENT;
25u32 test_delta_timeout = 0;
26u32 test_status = 0;
27u32 test_insert_lookup_mark = 0;
28int test_snat_addr = -EINVAL;
29int test_dnat_addr = -EINVAL;
30__be32 saddr = 0;
31__be16 sport = 0;
32__be32 daddr = 0;
33__be16 dport = 0;
34int test_exist_lookup = -ENOENT;
35u32 test_exist_lookup_mark = 0;
36
37enum nf_nat_manip_type___local {
38 NF_NAT_MANIP_SRC___local,
39 NF_NAT_MANIP_DST___local
40};
41
42struct nf_conn;
43
44struct bpf_ct_opts___local {
45 s32 netns_id;
46 s32 error;
47 u8 l4proto;
48 u8 reserved[3];
49} __attribute__((preserve_access_index));
50
51struct nf_conn *bpf_xdp_ct_alloc(struct xdp_md *, struct bpf_sock_tuple *, u32,
52 struct bpf_ct_opts___local *, u32) __ksym;
53struct nf_conn *bpf_xdp_ct_lookup(struct xdp_md *, struct bpf_sock_tuple *, u32,
54 struct bpf_ct_opts___local *, u32) __ksym;
55struct nf_conn *bpf_skb_ct_alloc(struct __sk_buff *, struct bpf_sock_tuple *, u32,
56 struct bpf_ct_opts___local *, u32) __ksym;
57struct nf_conn *bpf_skb_ct_lookup(struct __sk_buff *, struct bpf_sock_tuple *, u32,
58 struct bpf_ct_opts___local *, u32) __ksym;
59struct nf_conn *bpf_ct_insert_entry(struct nf_conn *) __ksym;
60void bpf_ct_release(struct nf_conn *) __ksym;
61void bpf_ct_set_timeout(struct nf_conn *, u32) __ksym;
62int bpf_ct_change_timeout(struct nf_conn *, u32) __ksym;
63int bpf_ct_set_status(struct nf_conn *, u32) __ksym;
64int bpf_ct_change_status(struct nf_conn *, u32) __ksym;
65int bpf_ct_set_nat_info(struct nf_conn *, union nf_inet_addr *,
66 int port, enum nf_nat_manip_type___local) __ksym;
67
68static __always_inline void
69nf_ct_test(struct nf_conn *(*lookup_fn)(void *, struct bpf_sock_tuple *, u32,
70 struct bpf_ct_opts___local *, u32),
71 struct nf_conn *(*alloc_fn)(void *, struct bpf_sock_tuple *, u32,
72 struct bpf_ct_opts___local *, u32),
73 void *ctx)
74{
75 struct bpf_ct_opts___local opts_def = { .l4proto = IPPROTO_TCP, .netns_id = -1 };
76 struct bpf_sock_tuple bpf_tuple;
77 struct nf_conn *ct;
78
79 __builtin_memset(&bpf_tuple, 0, sizeof(bpf_tuple.ipv4));
80
81 ct = lookup_fn(ctx, NULL, 0, &opts_def, sizeof(opts_def));
82 if (ct)
83 bpf_ct_release(ct);
84 else
85 test_einval_bpf_tuple = opts_def.error;
86
87 opts_def.reserved[0] = 1;
88 ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
89 sizeof(opts_def));
90 opts_def.reserved[0] = 0;
91 opts_def.l4proto = IPPROTO_TCP;
92 if (ct)
93 bpf_ct_release(ct);
94 else
95 test_einval_reserved = opts_def.error;
96
97 opts_def.netns_id = -2;
98 ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
99 sizeof(opts_def));
100 opts_def.netns_id = -1;
101 if (ct)
102 bpf_ct_release(ct);
103 else
104 test_einval_netns_id = opts_def.error;
105
106 ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
107 sizeof(opts_def) - 1);
108 if (ct)
109 bpf_ct_release(ct);
110 else
111 test_einval_len_opts = opts_def.error;
112
113 opts_def.l4proto = IPPROTO_ICMP;
114 ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
115 sizeof(opts_def));
116 opts_def.l4proto = IPPROTO_TCP;
117 if (ct)
118 bpf_ct_release(ct);
119 else
120 test_eproto_l4proto = opts_def.error;
121
122 opts_def.netns_id = 0xf00f;
123 ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
124 sizeof(opts_def));
125 opts_def.netns_id = -1;
126 if (ct)
127 bpf_ct_release(ct);
128 else
129 test_enonet_netns_id = opts_def.error;
130
131 ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
132 sizeof(opts_def));
133 if (ct)
134 bpf_ct_release(ct);
135 else
136 test_enoent_lookup = opts_def.error;
137
138 ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4) - 1, &opts_def,
139 sizeof(opts_def));
140 if (ct)
141 bpf_ct_release(ct);
142 else
143 test_eafnosupport = opts_def.error;
144
145 bpf_tuple.ipv4.saddr = bpf_get_prandom_u32(); /* src IP */
146 bpf_tuple.ipv4.daddr = bpf_get_prandom_u32(); /* dst IP */
147 bpf_tuple.ipv4.sport = bpf_get_prandom_u32(); /* src port */
148 bpf_tuple.ipv4.dport = bpf_get_prandom_u32(); /* dst port */
149
150 ct = alloc_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
151 sizeof(opts_def));
152 if (ct) {
153 __u16 sport = bpf_get_prandom_u32();
154 __u16 dport = bpf_get_prandom_u32();
155 union nf_inet_addr saddr = {};
156 union nf_inet_addr daddr = {};
157 struct nf_conn *ct_ins;
158
159 bpf_ct_set_timeout(ct, 10000);
160 ct->mark = 77;
161
162 /* snat */
163 saddr.ip = bpf_get_prandom_u32();
164 bpf_ct_set_nat_info(ct, &saddr, sport, NF_NAT_MANIP_SRC___local);
165 /* dnat */
166 daddr.ip = bpf_get_prandom_u32();
167 bpf_ct_set_nat_info(ct, &daddr, dport, NF_NAT_MANIP_DST___local);
168
169 ct_ins = bpf_ct_insert_entry(ct);
170 if (ct_ins) {
171 struct nf_conn *ct_lk;
172
173 ct_lk = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4),
174 &opts_def, sizeof(opts_def));
175 if (ct_lk) {
176 struct nf_conntrack_tuple *tuple;
177
178 /* check snat and dnat addresses */
179 tuple = &ct_lk->tuplehash[IP_CT_DIR_REPLY].tuple;
180 if (tuple->dst.u3.ip == saddr.ip &&
181 tuple->dst.u.all == bpf_htons(sport))
182 test_snat_addr = 0;
183 if (tuple->src.u3.ip == daddr.ip &&
184 tuple->src.u.all == bpf_htons(dport))
185 test_dnat_addr = 0;
186
187 /* update ct entry timeout */
188 bpf_ct_change_timeout(ct_lk, 10000);
189 test_delta_timeout = ct_lk->timeout - bpf_jiffies64();
190 test_delta_timeout /= CONFIG_HZ;
191 test_insert_lookup_mark = ct_lk->mark;
192 bpf_ct_change_status(ct_lk,
193 IPS_CONFIRMED | IPS_SEEN_REPLY);
194 test_status = ct_lk->status;
195
196 bpf_ct_release(ct_lk);
197 test_succ_lookup = 0;
198 }
199 bpf_ct_release(ct_ins);
200 test_insert_entry = 0;
201 }
202 test_alloc_entry = 0;
203 }
204
205 bpf_tuple.ipv4.saddr = saddr;
206 bpf_tuple.ipv4.daddr = daddr;
207 bpf_tuple.ipv4.sport = sport;
208 bpf_tuple.ipv4.dport = dport;
209 ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
210 sizeof(opts_def));
211 if (ct) {
212 test_exist_lookup = 0;
213 if (ct->mark == 42) {
214 ct->mark++;
215 test_exist_lookup_mark = ct->mark;
216 }
217 bpf_ct_release(ct);
218 } else {
219 test_exist_lookup = opts_def.error;
220 }
221}
222
223SEC("xdp")
224int nf_xdp_ct_test(struct xdp_md *ctx)
225{
226 nf_ct_test((void *)bpf_xdp_ct_lookup, (void *)bpf_xdp_ct_alloc, ctx);
227 return 0;
228}
229
230SEC("tc")
231int nf_skb_ct_test(struct __sk_buff *ctx)
232{
233 nf_ct_test((void *)bpf_skb_ct_lookup, (void *)bpf_skb_ct_alloc, ctx);
234 return 0;
235}
236
237char _license[] SEC("license") = "GPL";