Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next

[linux-2.6-microblaze.git] / tools / testing / selftests / bpf / progs / test_bpf_nf.c

diff --git a/tools/testing/selftests/bpf/progs/test_bpf_nf.c b/tools/testing/selftests/bpf/progs/test_bpf_nf.c
index f00a973..196cd8d 100644 (file)
--- a/tools/testing/selftests/bpf/progs/test_bpf_nf.c
+++ b/tools/testing/selftests/bpf/progs/test_bpf_nf.c
@@ -8,6 +8,8 @@
 #define EINVAL 22
 #define ENOENT 2
 
+extern unsigned long CONFIG_HZ __kconfig;
+
 int test_einval_bpf_tuple = 0;
 int test_einval_reserved = 0;
 int test_einval_netns_id = 0;
@@ -16,6 +18,11 @@ int test_eproto_l4proto = 0;
 int test_enonet_netns_id = 0;
 int test_enoent_lookup = 0;
 int test_eafnosupport = 0;
+int test_alloc_entry = -EINVAL;
+int test_insert_entry = -EAFNOSUPPORT;
+int test_succ_lookup = -ENOENT;
+u32 test_delta_timeout = 0;
+u32 test_status = 0;
 
 struct nf_conn;
 
@@ -26,31 +33,44 @@ struct bpf_ct_opts___local {
        u8 reserved[3];
 } __attribute__((preserve_access_index));
 
+struct nf_conn *bpf_xdp_ct_alloc(struct xdp_md *, struct bpf_sock_tuple *, u32,
+                                struct bpf_ct_opts___local *, u32) __ksym;
 struct nf_conn *bpf_xdp_ct_lookup(struct xdp_md *, struct bpf_sock_tuple *, u32,
                                  struct bpf_ct_opts___local *, u32) __ksym;
+struct nf_conn *bpf_skb_ct_alloc(struct __sk_buff *, struct bpf_sock_tuple *, u32,
+                                struct bpf_ct_opts___local *, u32) __ksym;
 struct nf_conn *bpf_skb_ct_lookup(struct __sk_buff *, struct bpf_sock_tuple *, u32,
                                  struct bpf_ct_opts___local *, u32) __ksym;
+struct nf_conn *bpf_ct_insert_entry(struct nf_conn *) __ksym;
 void bpf_ct_release(struct nf_conn *) __ksym;
+void bpf_ct_set_timeout(struct nf_conn *, u32) __ksym;
+int bpf_ct_change_timeout(struct nf_conn *, u32) __ksym;
+int bpf_ct_set_status(struct nf_conn *, u32) __ksym;
+int bpf_ct_change_status(struct nf_conn *, u32) __ksym;
 
 static __always_inline void
-nf_ct_test(struct nf_conn *(*func)(void *, struct bpf_sock_tuple *, u32,
-                                  struct bpf_ct_opts___local *, u32),
+nf_ct_test(struct nf_conn *(*lookup_fn)(void *, struct bpf_sock_tuple *, u32,
+                                       struct bpf_ct_opts___local *, u32),
+          struct nf_conn *(*alloc_fn)(void *, struct bpf_sock_tuple *, u32,
+                                      struct bpf_ct_opts___local *, u32),
           void *ctx)
 {
        struct bpf_ct_opts___local opts_def = { .l4proto = IPPROTO_TCP, .netns_id = -1 };
        struct bpf_sock_tuple bpf_tuple;
        struct nf_conn *ct;
+       int err;
 
        __builtin_memset(&bpf_tuple, 0, sizeof(bpf_tuple.ipv4));
 
-       ct = func(ctx, NULL, 0, &opts_def, sizeof(opts_def));
+       ct = lookup_fn(ctx, NULL, 0, &opts_def, sizeof(opts_def));
        if (ct)
                bpf_ct_release(ct);
        else
                test_einval_bpf_tuple = opts_def.error;
 
        opts_def.reserved[0] = 1;
-       ct = func(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def, sizeof(opts_def));
+       ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
+                      sizeof(opts_def));
        opts_def.reserved[0] = 0;
        opts_def.l4proto = IPPROTO_TCP;
        if (ct)
@@ -59,21 +79,24 @@ nf_ct_test(struct nf_conn *(*func)(void *, struct bpf_sock_tuple *, u32,
                test_einval_reserved = opts_def.error;
 
        opts_def.netns_id = -2;
-       ct = func(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def, sizeof(opts_def));
+       ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
+                      sizeof(opts_def));
        opts_def.netns_id = -1;
        if (ct)
                bpf_ct_release(ct);
        else
                test_einval_netns_id = opts_def.error;
 
-       ct = func(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def, sizeof(opts_def) - 1);
+       ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
+                      sizeof(opts_def) - 1);
        if (ct)
                bpf_ct_release(ct);
        else
                test_einval_len_opts = opts_def.error;
 
        opts_def.l4proto = IPPROTO_ICMP;
-       ct = func(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def, sizeof(opts_def));
+       ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
+                      sizeof(opts_def));
        opts_def.l4proto = IPPROTO_TCP;
        if (ct)
                bpf_ct_release(ct);
@@ -81,37 +104,75 @@ nf_ct_test(struct nf_conn *(*func)(void *, struct bpf_sock_tuple *, u32,
                test_eproto_l4proto = opts_def.error;
 
        opts_def.netns_id = 0xf00f;
-       ct = func(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def, sizeof(opts_def));
+       ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
+                      sizeof(opts_def));
        opts_def.netns_id = -1;
        if (ct)
                bpf_ct_release(ct);
        else
                test_enonet_netns_id = opts_def.error;
 
-       ct = func(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def, sizeof(opts_def));
+       ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
+                      sizeof(opts_def));
        if (ct)
                bpf_ct_release(ct);
        else
                test_enoent_lookup = opts_def.error;
 
-       ct = func(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4) - 1, &opts_def, sizeof(opts_def));
+       ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4) - 1, &opts_def,
+                      sizeof(opts_def));
        if (ct)
                bpf_ct_release(ct);
        else
                test_eafnosupport = opts_def.error;
+
+       bpf_tuple.ipv4.saddr = bpf_get_prandom_u32(); /* src IP */
+       bpf_tuple.ipv4.daddr = bpf_get_prandom_u32(); /* dst IP */
+       bpf_tuple.ipv4.sport = bpf_get_prandom_u32(); /* src port */
+       bpf_tuple.ipv4.dport = bpf_get_prandom_u32(); /* dst port */
+
+       ct = alloc_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
+                     sizeof(opts_def));
+       if (ct) {
+               struct nf_conn *ct_ins;
+
+               bpf_ct_set_timeout(ct, 10000);
+               bpf_ct_set_status(ct, IPS_CONFIRMED);
+
+               ct_ins = bpf_ct_insert_entry(ct);
+               if (ct_ins) {
+                       struct nf_conn *ct_lk;
+
+                       ct_lk = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4),
+                                         &opts_def, sizeof(opts_def));
+                       if (ct_lk) {
+                               /* update ct entry timeout */
+                               bpf_ct_change_timeout(ct_lk, 10000);
+                               test_delta_timeout = ct_lk->timeout - bpf_jiffies64();
+                               test_delta_timeout /= CONFIG_HZ;
+                               test_status = IPS_SEEN_REPLY;
+                               bpf_ct_change_status(ct_lk, IPS_SEEN_REPLY);
+                               bpf_ct_release(ct_lk);
+                               test_succ_lookup = 0;
+                       }
+                       bpf_ct_release(ct_ins);
+                       test_insert_entry = 0;
+               }
+               test_alloc_entry = 0;
+       }
 }
 
 SEC("xdp")
 int nf_xdp_ct_test(struct xdp_md *ctx)
 {
-       nf_ct_test((void *)bpf_xdp_ct_lookup, ctx);
+       nf_ct_test((void *)bpf_xdp_ct_lookup, (void *)bpf_xdp_ct_alloc, ctx);
        return 0;
 }
 
 SEC("tc")
 int nf_skb_ct_test(struct __sk_buff *ctx)
 {
-       nf_ct_test((void *)bpf_skb_ct_lookup, ctx);
+       nf_ct_test((void *)bpf_skb_ct_lookup, (void *)bpf_skb_ct_alloc, ctx);
        return 0;
 }