From patchwork Wed Jul 24 11:32:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Luczaj X-Patchwork-Id: 814287 Received: from mailtransmit05.runbox.com (mailtransmit05.runbox.com [185.226.149.38]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A54391586FE; Wed, 24 Jul 2024 11:33:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.226.149.38 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721820834; cv=none; b=egPimP0mJXviQBjv5TvjV7ExpD85lwkNe5kw+QWeJhf+w+eEcKwDVVbSVxpgt1XVvSpdV9/ikGHdUfeM7+gOAje369ZvTQoUvMVduXRSlXkFmKzmPDnmXrkQKKZWOfgJ51PqXC0j8+Te5gf1ZsM7oHWpVgTshmVbtC8N92XUbZ8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721820834; c=relaxed/simple; bh=/9JY3OeEpMw0Z5aH0w6Kb1o4Vl9pHCADoDUMF4b8IVk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=n191Vj3/bK985FbAIzfC9J6AtsG2Hc2rIDW5XxKvehfa2GtIpAO2W3VangJfbyd18Q80RCGg5UbHHpZiI8C/IaoJnxEvCGegXepiG7ZukKNMqU+8th6W3lCXQ2bR1FSZOW3xEgpRMAgC4A94L1YVL7wUioBw3g2Fms8LbuekirM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=rbox.co; spf=pass smtp.mailfrom=rbox.co; dkim=pass (2048-bit key) header.d=rbox.co header.i=@rbox.co header.b=oEfu2Y9K; arc=none smtp.client-ip=185.226.149.38 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=rbox.co Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=rbox.co Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=rbox.co header.i=@rbox.co header.b="oEfu2Y9K" Received: from mailtransmit03.runbox ([10.9.9.163] helo=aibo.runbox.com) by mailtransmit05.runbox.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.93) (envelope-from ) id 1sWaFb-006K1a-79; Wed, 24 Jul 2024 13:33:43 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=rbox.co; s=selector1; h=Cc:To:In-Reply-To:References:Message-Id: Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date:From; bh=OPcSTjGJ8x+i82SsvkO5m3xrDrnaWvBVoQakBy6iybg=; b=oEfu2Y9Ki0CWmkqKZi4Zs971Xs ZAhviLZwyJe3jQ4BU1Xuo5ivACzQgRq7o9jtaehdTP+19DlANfKV6YbWnGwZqrVGzWk8+l5NtS4Pi G33UR8hK+SaTTg63VgHanPRHNP6gP7rOd/wiYAOH2df+1qoC2mPiV8Hm0eEcZGGNwdhxjKcOCvHQI Vg3fGuz5kJHceH0hdbq3vMjKaBXGJWulBTKU+j4cFImL1VJ2yJ/swP7mCZek4uQflAAXkbf8XA1iJ 7hovRTp/NRUmfpa5HAVNS0ulafV0QKz/Yom5bKhfbJR6h4WgSIKhG5JaWyvks9vGVGOrMS5EoF6lb GUrFUT8g==; Received: from [10.9.9.74] (helo=submission03.runbox) by mailtransmit03.runbox with esmtp (Exim 4.86_2) (envelope-from ) id 1sWaFa-0004yH-RH; Wed, 24 Jul 2024 13:33:43 +0200 Received: by submission03.runbox with esmtpsa [Authenticated ID (604044)] (TLS1.2:ECDHE_SECP256R1__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.93) id 1sWaFL-00EK6H-AY; Wed, 24 Jul 2024 13:33:27 +0200 From: Michal Luczaj Date: Wed, 24 Jul 2024 13:32:37 +0200 Subject: [PATCH bpf 1/6] selftest/bpf: Support more socket types in create_pair() Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240724-sockmap-selftest-fixes-v1-1-46165d224712@rbox.co> References: <20240724-sockmap-selftest-fixes-v1-0-46165d224712@rbox.co> In-Reply-To: <20240724-sockmap-selftest-fixes-v1-0-46165d224712@rbox.co> To: Andrii Nakryiko , Eduard Zingerman , Mykola Lysenko , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Shuah Khan , Jakub Sitnicki Cc: bpf@vger.kernel.org, netdev@vger.kernel.org, linux-kselftest@vger.kernel.org, Michal Luczaj X-Mailer: b4 0.14.0 Extend the function to allow creating socket pairs of SOCK_STREAM, SOCK_DGRAM and SOCK_SEQPACKET. Adapt direct callers and leave further cleanups for the following patch. Suggested-by: Jakub Sitnicki Signed-off-by: Michal Luczaj --- .../selftests/bpf/prog_tests/sockmap_basic.c | 19 +-- .../selftests/bpf/prog_tests/sockmap_helpers.h | 138 ++++++++++++++------- 2 files changed, 96 insertions(+), 61 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c index 1337153eb0ad..5b17d69c9ee6 100644 --- a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c +++ b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c @@ -451,11 +451,11 @@ static void test_sockmap_progs_query(enum bpf_attach_type attach_type) #define MAX_EVENTS 10 static void test_sockmap_skb_verdict_shutdown(void) { + int n, err, map, verdict, c1 = -1, p1 = -1; struct epoll_event ev, events[MAX_EVENTS]; - int n, err, map, verdict, s, c1 = -1, p1 = -1; struct test_sockmap_pass_prog *skel; - int epollfd; int zero = 0; + int epollfd; char b; skel = test_sockmap_pass_prog__open_and_load(); @@ -469,10 +469,7 @@ static void test_sockmap_skb_verdict_shutdown(void) if (!ASSERT_OK(err, "bpf_prog_attach")) goto out; - s = socket_loopback(AF_INET, SOCK_STREAM); - if (s < 0) - goto out; - err = create_pair(s, AF_INET, SOCK_STREAM, &c1, &p1); + err = create_pair(AF_INET, SOCK_STREAM, &c1, &p1); if (err < 0) goto out; @@ -570,16 +567,12 @@ static void test_sockmap_skb_verdict_fionread(bool pass_prog) static void test_sockmap_skb_verdict_peek_helper(int map) { - int err, s, c1, p1, zero = 0, sent, recvd, avail; + int err, c1, p1, zero = 0, sent, recvd, avail; char snd[256] = "0123456789"; char rcv[256] = "0"; - s = socket_loopback(AF_INET, SOCK_STREAM); - if (!ASSERT_GT(s, -1, "socket_loopback(s)")) - return; - - err = create_pair(s, AF_INET, SOCK_STREAM, &c1, &p1); - if (!ASSERT_OK(err, "create_pairs(s)")) + err = create_pair(AF_INET, SOCK_STREAM, &c1, &p1); + if (!ASSERT_OK(err, "create_pair()")) return; err = bpf_map_update_elem(map, &zero, &c1, BPF_NOEXIST); diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_helpers.h b/tools/testing/selftests/bpf/prog_tests/sockmap_helpers.h index e880f97bc44d..77b73333f091 100644 --- a/tools/testing/selftests/bpf/prog_tests/sockmap_helpers.h +++ b/tools/testing/selftests/bpf/prog_tests/sockmap_helpers.h @@ -3,6 +3,9 @@ #include +/* include/linux/net.h */ +#define SOCK_TYPE_MASK 0xf + #define IO_TIMEOUT_SEC 30 #define MAX_STRERR_LEN 256 #define MAX_TEST_NAME 80 @@ -312,54 +315,6 @@ static inline int add_to_sockmap(int sock_mapfd, int fd1, int fd2) return xbpf_map_update_elem(sock_mapfd, &key, &value, BPF_NOEXIST); } -static inline int create_pair(int s, int family, int sotype, int *c, int *p) -{ - struct sockaddr_storage addr; - socklen_t len; - int err = 0; - - len = sizeof(addr); - err = xgetsockname(s, sockaddr(&addr), &len); - if (err) - return err; - - *c = xsocket(family, sotype, 0); - if (*c < 0) - return errno; - err = xconnect(*c, sockaddr(&addr), len); - if (err) { - err = errno; - goto close_cli0; - } - - *p = xaccept_nonblock(s, NULL, NULL); - if (*p < 0) { - err = errno; - goto close_cli0; - } - return err; -close_cli0: - close(*c); - return err; -} - -static inline int create_socket_pairs(int s, int family, int sotype, - int *c0, int *c1, int *p0, int *p1) -{ - int err; - - err = create_pair(s, family, sotype, c0, p0); - if (err) - return err; - - err = create_pair(s, family, sotype, c1, p1); - if (err) { - close(*c0); - close(*p0); - } - return err; -} - static inline int enable_reuseport(int s, int progfd) { int err, one = 1; @@ -412,5 +367,92 @@ static inline int socket_loopback(int family, int sotype) return socket_loopback_reuseport(family, sotype, -1); } +static inline int create_pair(int family, int sotype, int *p0, int *p1) +{ + struct sockaddr_storage addr; + socklen_t len = sizeof(addr); + int s, c, p, err; + + s = socket_loopback(family, sotype); + if (s < 0) + return s; + + err = xgetsockname(s, sockaddr(&addr), &len); + if (err) + goto close_s; + + c = xsocket(family, sotype, 0); + if (c < 0) { + err = c; + goto close_s; + } + + err = connect(c, sockaddr(&addr), len); + if (err) { + if (errno != EINPROGRESS) { + FAIL_ERRNO("connect"); + goto close_c; + } + + err = poll_connect(c, IO_TIMEOUT_SEC); + if (err) { + FAIL_ERRNO("poll_connect"); + goto close_c; + } + } + + switch (sotype & SOCK_TYPE_MASK) { + case SOCK_DGRAM: + err = xgetsockname(c, sockaddr(&addr), &len); + if (err) + goto close_c; + + err = xconnect(s, sockaddr(&addr), len); + if (!err) { + *p0 = s; + *p1 = c; + return err; + } + break; + case SOCK_STREAM: + case SOCK_SEQPACKET: + p = xaccept_nonblock(s, NULL, NULL); + if (p >= 0) { + *p0 = p; + *p1 = c; + goto close_s; + } + + err = p; + break; + default: + FAIL("Unsupported socket type %#x", sotype); + err = -EOPNOTSUPP; + } + +close_c: + close(c); +close_s: + close(s); + return err; +} + +static inline int create_socket_pairs(int s, int family, int sotype, + int *c0, int *c1, int *p0, int *p1) +{ + int err; + + err = create_pair(family, sotype, c0, p0); + if (err) + return err; + + err = create_pair(family, sotype, c1, p1); + if (err) { + close(*c0); + close(*p0); + } + + return err; +} #endif // __SOCKMAP_HELPERS__ From patchwork Wed Jul 24 11:32:39 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Luczaj X-Patchwork-Id: 814288 Received: from mailtransmit05.runbox.com (mailtransmit05.runbox.com [185.226.149.38]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 51A46156C74; Wed, 24 Jul 2024 11:33:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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Received: from [10.9.9.74] (helo=submission03.runbox) by mailtransmit02.runbox with esmtp (Exim 4.86_2) (envelope-from ) id 1sWaFX-0003xr-Mp; Wed, 24 Jul 2024 13:33:39 +0200 Received: by submission03.runbox with esmtpsa [Authenticated ID (604044)] (TLS1.2:ECDHE_SECP256R1__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.93) id 1sWaFN-00EK6H-1f; Wed, 24 Jul 2024 13:33:29 +0200 From: Michal Luczaj Date: Wed, 24 Jul 2024 13:32:39 +0200 Subject: [PATCH bpf 3/6] selftest/bpf: Simplify inet_socketpair() and vsock_unix_redir_connectible() Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240724-sockmap-selftest-fixes-v1-3-46165d224712@rbox.co> References: <20240724-sockmap-selftest-fixes-v1-0-46165d224712@rbox.co> In-Reply-To: <20240724-sockmap-selftest-fixes-v1-0-46165d224712@rbox.co> To: Andrii Nakryiko , Eduard Zingerman , Mykola Lysenko , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Shuah Khan , Jakub Sitnicki Cc: bpf@vger.kernel.org, netdev@vger.kernel.org, linux-kselftest@vger.kernel.org, Michal Luczaj X-Mailer: b4 0.14.0 Replace implementation with a call to a generic function. Signed-off-by: Michal Luczaj --- .../selftests/bpf/prog_tests/sockmap_listen.c | 83 +--------------------- 1 file changed, 2 insertions(+), 81 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c b/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c index bfbc217637d1..ea2faacd146d 100644 --- a/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c +++ b/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c @@ -1490,49 +1490,7 @@ static void test_unix_redir(struct test_sockmap_listen *skel, struct bpf_map *ma /* Returns two connected loopback vsock sockets */ static int vsock_socketpair_connectible(int sotype, int *v0, int *v1) { - struct sockaddr_storage addr; - socklen_t len = sizeof(addr); - int s, p, c; - - s = socket_loopback(AF_VSOCK, sotype); - if (s < 0) - return -1; - - c = xsocket(AF_VSOCK, sotype | SOCK_NONBLOCK, 0); - if (c == -1) - goto close_srv; - - if (getsockname(s, sockaddr(&addr), &len) < 0) - goto close_cli; - - if (connect(c, sockaddr(&addr), len) < 0 && errno != EINPROGRESS) { - FAIL_ERRNO("connect"); - goto close_cli; - } - - len = sizeof(addr); - p = accept_timeout(s, sockaddr(&addr), &len, IO_TIMEOUT_SEC); - if (p < 0) - goto close_cli; - - if (poll_connect(c, IO_TIMEOUT_SEC) < 0) { - FAIL_ERRNO("poll_connect"); - goto close_acc; - } - - *v0 = p; - *v1 = c; - - return 0; - -close_acc: - close(p); -close_cli: - close(c); -close_srv: - close(s); - - return -1; + return create_pair(AF_VSOCK, sotype | SOCK_NONBLOCK, v0, v1); } static void vsock_unix_redir_connectible(int sock_mapfd, int verd_mapfd, @@ -1681,44 +1639,7 @@ static void test_reuseport(struct test_sockmap_listen *skel, static int inet_socketpair(int family, int type, int *s, int *c) { - struct sockaddr_storage addr; - socklen_t len; - int p0, c0; - int err; - - p0 = socket_loopback(family, type | SOCK_NONBLOCK); - if (p0 < 0) - return p0; - - len = sizeof(addr); - err = xgetsockname(p0, sockaddr(&addr), &len); - if (err) - goto close_peer0; - - c0 = xsocket(family, type | SOCK_NONBLOCK, 0); - if (c0 < 0) { - err = c0; - goto close_peer0; - } - err = xconnect(c0, sockaddr(&addr), len); - if (err) - goto close_cli0; - err = xgetsockname(c0, sockaddr(&addr), &len); - if (err) - goto close_cli0; - err = xconnect(p0, sockaddr(&addr), len); - if (err) - goto close_cli0; - - *s = p0; - *c = c0; - return 0; - -close_cli0: - xclose(c0); -close_peer0: - xclose(p0); - return err; + return create_pair(family, type | SOCK_NONBLOCK, s, c); } static void udp_redir_to_connected(int family, int sock_mapfd, int verd_mapfd, From patchwork Wed Jul 24 11:32:40 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Luczaj X-Patchwork-Id: 814289 Received: from mailtransmit05.runbox.com (mailtransmit05.runbox.com [185.226.149.38]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 519F615687C; Wed, 24 Jul 2024 11:33:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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Received: from [10.9.9.74] (helo=submission03.runbox) by mailtransmit03.runbox with esmtp (Exim 4.86_2) (envelope-from ) id 1sWaFW-0004y5-GE; Wed, 24 Jul 2024 13:33:38 +0200 Received: by submission03.runbox with esmtpsa [Authenticated ID (604044)] (TLS1.2:ECDHE_SECP256R1__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.93) id 1sWaFN-00EK6H-TH; Wed, 24 Jul 2024 13:33:29 +0200 From: Michal Luczaj Date: Wed, 24 Jul 2024 13:32:40 +0200 Subject: [PATCH bpf 4/6] selftest/bpf: Respect the sotype of af_unix redir tests Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240724-sockmap-selftest-fixes-v1-4-46165d224712@rbox.co> References: <20240724-sockmap-selftest-fixes-v1-0-46165d224712@rbox.co> In-Reply-To: <20240724-sockmap-selftest-fixes-v1-0-46165d224712@rbox.co> To: Andrii Nakryiko , Eduard Zingerman , Mykola Lysenko , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Shuah Khan , Jakub Sitnicki Cc: bpf@vger.kernel.org, netdev@vger.kernel.org, linux-kselftest@vger.kernel.org, Michal Luczaj X-Mailer: b4 0.14.0 Do actually test the sotype as specified by the caller. This picks up after commit 75e0e27db6cf ("selftest/bpf: Change udp to inet in some function names"). Suggested-by: Jakub Sitnicki Signed-off-by: Michal Luczaj --- tools/testing/selftests/bpf/prog_tests/sockmap_listen.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c b/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c index ea2faacd146d..7ed223df5f12 100644 --- a/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c +++ b/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c @@ -1706,11 +1706,11 @@ static void inet_unix_redir_to_connected(int family, int type, int sock_mapfd, int sfd[2]; int err; - if (socketpair(AF_UNIX, SOCK_DGRAM | SOCK_NONBLOCK, 0, sfd)) + if (socketpair(AF_UNIX, type | SOCK_NONBLOCK, 0, sfd)) return; c0 = sfd[0], p0 = sfd[1]; - err = inet_socketpair(family, SOCK_DGRAM, &p1, &c1); + err = inet_socketpair(family, type, &p1, &c1); if (err) goto close; @@ -1758,7 +1758,7 @@ static void unix_inet_redir_to_connected(int family, int type, int sock_mapfd, int sfd[2]; int err; - err = inet_socketpair(family, SOCK_DGRAM, &p0, &c0); + err = inet_socketpair(family, type, &p0, &c0); if (err) return;