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authorJordan Rife <[email protected]>2025-07-14 18:09:12 +0000
committerMartin KaFai Lau <[email protected]>2025-07-14 19:09:09 +0000
commitf00468124a08a7ecd6f2ed932c57d86a1fc249db (patch)
treee2884355db8ab62c38a18d4755e2b4b3a7e48edf
parentselftests/bpf: Allow for iteration over multiple ports (diff)
downloadkernel-f00468124a08a7ecd6f2ed932c57d86a1fc249db.tar.gz
kernel-f00468124a08a7ecd6f2ed932c57d86a1fc249db.zip
selftests/bpf: Allow for iteration over multiple states
Add parentheses around loopback address check to fix up logic and make the socket state filter configurable for the TCP socket iterators. Iterators can skip the socket state check by setting ss to 0. Signed-off-by: Jordan Rife <[email protected]> Signed-off-by: Martin KaFai Lau <[email protected]> Acked-by: Stanislav Fomichev <[email protected]>
-rw-r--r--tools/testing/selftests/bpf/prog_tests/sock_iter_batch.c3
-rw-r--r--tools/testing/selftests/bpf/progs/sock_iter_batch.c11
2 files changed, 9 insertions, 5 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/sock_iter_batch.c b/tools/testing/selftests/bpf/prog_tests/sock_iter_batch.c
index 0d0f1b4debff..4e15a0c2f237 100644
--- a/tools/testing/selftests/bpf/prog_tests/sock_iter_batch.c
+++ b/tools/testing/selftests/bpf/prog_tests/sock_iter_batch.c
@@ -433,6 +433,7 @@ static void do_resume_test(struct test_case *tc)
skel->rodata->ports[0] = 0;
skel->rodata->ports[1] = 0;
skel->rodata->sf = tc->family;
+ skel->rodata->ss = 0;
err = sock_iter_batch__load(skel);
if (!ASSERT_OK(err, "sock_iter_batch__load"))
@@ -498,6 +499,8 @@ static void do_test(int sock_type, bool onebyone)
skel->rodata->ports[i] = ntohs(local_port);
}
skel->rodata->sf = AF_INET6;
+ if (sock_type == SOCK_STREAM)
+ skel->rodata->ss = TCP_LISTEN;
err = sock_iter_batch__load(skel);
if (!ASSERT_OK(err, "sock_iter_batch__load"))
diff --git a/tools/testing/selftests/bpf/progs/sock_iter_batch.c b/tools/testing/selftests/bpf/progs/sock_iter_batch.c
index 40dce6a38c30..a36361e4a5de 100644
--- a/tools/testing/selftests/bpf/progs/sock_iter_batch.c
+++ b/tools/testing/selftests/bpf/progs/sock_iter_batch.c
@@ -23,6 +23,7 @@ static bool ipv4_addr_loopback(__be32 a)
}
volatile const unsigned int sf;
+volatile const unsigned int ss;
volatile const __u16 ports[2];
unsigned int bucket[2];
@@ -42,10 +43,10 @@ int iter_tcp_soreuse(struct bpf_iter__tcp *ctx)
sock_cookie = bpf_get_socket_cookie(sk);
sk = bpf_core_cast(sk, struct sock);
if (sk->sk_family != sf ||
- sk->sk_state != TCP_LISTEN ||
- sk->sk_family == AF_INET6 ?
+ (ss && sk->sk_state != ss) ||
+ (sk->sk_family == AF_INET6 ?
!ipv6_addr_loopback(&sk->sk_v6_rcv_saddr) :
- !ipv4_addr_loopback(sk->sk_rcv_saddr))
+ !ipv4_addr_loopback(sk->sk_rcv_saddr)))
return 0;
if (sk->sk_num == ports[0])
@@ -85,9 +86,9 @@ int iter_udp_soreuse(struct bpf_iter__udp *ctx)
sock_cookie = bpf_get_socket_cookie(sk);
sk = bpf_core_cast(sk, struct sock);
if (sk->sk_family != sf ||
- sk->sk_family == AF_INET6 ?
+ (sk->sk_family == AF_INET6 ?
!ipv6_addr_loopback(&sk->sk_v6_rcv_saddr) :
- !ipv4_addr_loopback(sk->sk_rcv_saddr))
+ !ipv4_addr_loopback(sk->sk_rcv_saddr)))
return 0;
if (sk->sk_num == ports[0])