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authorDaniel Xu <dxu@dxuuu.xyz>2022-08-12 00:55:25 +0300
committerDaniel Borkmann <daniel@iogearbox.net>2022-08-15 21:53:24 +0300
commite81fbd4c1ba7b128a198c2843665e1186db449b6 (patch)
treeb3064050989e3654fb0e8437b0424d67e21e1a3d /tools/testing/selftests/bpf/progs/test_bpf_nf.c
parentcea558855c39b7f1f02ff50dcf701ca6596bc964 (diff)
downloadlinux-e81fbd4c1ba7b128a198c2843665e1186db449b6.tar.xz
selftests/bpf: Add existing connection bpf_*_ct_lookup() test
Add a test where we do a conntrack lookup on an existing connection. This is nice because it's a more realistic test than artifically creating a ct entry and looking it up afterwards. Signed-off-by: Daniel Xu <dxu@dxuuu.xyz> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> Link: https://lore.kernel.org/bpf/de5a617832f38f8b5631cc87e2a836da7c94d497.1660254747.git.dxu@dxuuu.xyz
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_bpf_nf.c')
-rw-r--r--tools/testing/selftests/bpf/progs/test_bpf_nf.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_bpf_nf.c b/tools/testing/selftests/bpf/progs/test_bpf_nf.c
index 196cd8dfe42a..84e0fd479794 100644
--- a/tools/testing/selftests/bpf/progs/test_bpf_nf.c
+++ b/tools/testing/selftests/bpf/progs/test_bpf_nf.c
@@ -23,6 +23,11 @@ int test_insert_entry = -EAFNOSUPPORT;
int test_succ_lookup = -ENOENT;
u32 test_delta_timeout = 0;
u32 test_status = 0;
+__be32 saddr = 0;
+__be16 sport = 0;
+__be32 daddr = 0;
+__be16 dport = 0;
+int test_exist_lookup = -ENOENT;
struct nf_conn;
@@ -160,6 +165,19 @@ nf_ct_test(struct nf_conn *(*lookup_fn)(void *, struct bpf_sock_tuple *, u32,
}
test_alloc_entry = 0;
}
+
+ bpf_tuple.ipv4.saddr = saddr;
+ bpf_tuple.ipv4.daddr = daddr;
+ bpf_tuple.ipv4.sport = sport;
+ bpf_tuple.ipv4.dport = dport;
+ ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
+ sizeof(opts_def));
+ if (ct) {
+ test_exist_lookup = 0;
+ bpf_ct_release(ct);
+ } else {
+ test_exist_lookup = opts_def.error;
+ }
}
SEC("xdp")