From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpout-03.galae.net (smtpout-03.galae.net [185.246.85.4]) (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 9A51430DD2F for ; Thu, 16 Oct 2025 07:46:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.246.85.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760600774; cv=none; b=p9kRGgl2VLlNcmnDtQGwaCPG0Y/3piQC4OTI89uRBAybD2zAc8lRWGBvIz266ALM6nTVjYJJ/PBiJrz3xXUnyBWv8hK5j36bkf2ac2V/juS0V1bSKesbFMi4+6/Kg0vnjk0fhTG/JzT5GORQC6U1eWHgy94UXYSUt765Oc6IZRo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760600774; c=relaxed/simple; bh=EeQlUXkWQC37VA+bYsxzFWGd6/K4AxgcApQlX8DCaPI=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=IWfL4TI1lQTh5LbpygXn48aCSxfL/oQemCHhfSsFuylcXZrVexV7OZsUJCQ6EpKQ1UbolqDPL0HMofWYse3oWQz3fGiZwtasLnMwAZOO3pczcvcHyhYiaZ762OawJankmn7WbfnuNMHim+46pkhaQqwNb1hzk46u/gzA2/GuqMU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=FfspoPUb; arc=none smtp.client-ip=185.246.85.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="FfspoPUb" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-03.galae.net (Postfix) with ESMTPS id 19BA54E410F3; Thu, 16 Oct 2025 07:46:11 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id DDEE26062C; Thu, 16 Oct 2025 07:46:10 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 7AD78102F22ED; Thu, 16 Oct 2025 09:46:07 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1760600769; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=CrbRVpU6RN8+Pg9aSpPk8JXyw67nrDa535KDMx8knCI=; b=FfspoPUbpsJAdFMK0BWhpFgIA7J5uw6c4gpFX5U3GQYzly+fbOc90ohvr3xz6BzRG7IkJ7 0ByE7c+2NSIeiuLAYwB8gsMy1WTUguPjINXXhX3b//VxBBubpjaKCyf/E9+qWbzbc0CPnt h+E3+Q5iVX79miR1bu/cYgHAa+TDtMfARMEaDUF4ouuXwUnNxOyjE4RtB8d/emCLMOq7x6 6g5VzYyCL4f7KDAujh8w9YRpkk7/39rEVHvXhJqaEoTXsFO3s7ImMAeQxFmuWJGuuXSroe l2JzvxVg+kNRsOFkisgzpZWCHvPMo0Ha06sOv+dpTm/TIfa4a3KgBN11mKHK6Q== From: "Bastien Curutchet (eBPF Foundation)" Date: Thu, 16 Oct 2025 09:45:38 +0200 Subject: [PATCH bpf-next v5 09/15] selftests/bpf: test_xsk: Don't exit immediately when xsk_attach fails Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20251016-xsk-v5-9-662c95eb8005@bootlin.com> References: <20251016-xsk-v5-0-662c95eb8005@bootlin.com> In-Reply-To: <20251016-xsk-v5-0-662c95eb8005@bootlin.com> To: =?utf-8?q?Bj=C3=B6rn_T=C3=B6pel?= , Magnus Karlsson , Maciej Fijalkowski , Jonathan Lemon , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Mykola Lysenko , Shuah Khan , "David S. Miller" , Jakub Kicinski , Jesper Dangaard Brouer Cc: Thomas Petazzoni , Alexis Lothore , netdev@vger.kernel.org, bpf@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, "Bastien Curutchet (eBPF Foundation)" X-Mailer: b4 0.14.2 X-Last-TLS-Session-Version: TLSv1.3 xsk_reattach_xdp calls exit_with_error() on failures. This exits the program immediately. It prevents the following tests from being run and isn't compliant with the CI. Add a return value to the functions handling XDP attachments to handle errors more smoothly. Reviewed-by: Maciej Fijalkowski Signed-off-by: Bastien Curutchet (eBPF Foundation) --- tools/testing/selftests/bpf/test_xsk.c | 28 +++++++++++++++++++--------- 1 file changed, 19 insertions(+), 9 deletions(-) diff --git a/tools/testing/selftests/bpf/test_xsk.c b/tools/testing/selftests/bpf/test_xsk.c index 7db1d974e31511e93b05bf70be991cee4cd444c6..0adb6c0b948f6216b24d0562bcda26097dbb9dbc 100644 --- a/tools/testing/selftests/bpf/test_xsk.c +++ b/tools/testing/selftests/bpf/test_xsk.c @@ -1643,7 +1643,7 @@ static bool xdp_prog_changed_tx(struct test_spec *test) return ifobj->xdp_prog != test->xdp_prog_tx || ifobj->mode != test->mode; } -static void xsk_reattach_xdp(struct ifobject *ifobj, struct bpf_program *xdp_prog, +static int xsk_reattach_xdp(struct ifobject *ifobj, struct bpf_program *xdp_prog, struct bpf_map *xskmap, enum test_mode mode) { int err; @@ -1652,31 +1652,40 @@ static void xsk_reattach_xdp(struct ifobject *ifobj, struct bpf_program *xdp_pro err = xsk_attach_xdp_program(xdp_prog, ifobj->ifindex, mode_to_xdp_flags(mode)); if (err) { ksft_print_msg("Error attaching XDP program\n"); - exit_with_error(-err); + return err; } if (ifobj->mode != mode && (mode == TEST_MODE_DRV || mode == TEST_MODE_ZC)) if (!xsk_is_in_mode(ifobj->ifindex, XDP_FLAGS_DRV_MODE)) { ksft_print_msg("ERROR: XDP prog not in DRV mode\n"); - exit_with_error(EINVAL); + return -EINVAL; } ifobj->xdp_prog = xdp_prog; ifobj->xskmap = xskmap; ifobj->mode = mode; + + return 0; } -static void xsk_attach_xdp_progs(struct test_spec *test, struct ifobject *ifobj_rx, +static int xsk_attach_xdp_progs(struct test_spec *test, struct ifobject *ifobj_rx, struct ifobject *ifobj_tx) { - if (xdp_prog_changed_rx(test)) - xsk_reattach_xdp(ifobj_rx, test->xdp_prog_rx, test->xskmap_rx, test->mode); + int err = 0; + + if (xdp_prog_changed_rx(test)) { + err = xsk_reattach_xdp(ifobj_rx, test->xdp_prog_rx, test->xskmap_rx, test->mode); + if (err) + return err; + } if (!ifobj_tx || ifobj_tx->shared_umem) - return; + return 0; if (xdp_prog_changed_tx(test)) - xsk_reattach_xdp(ifobj_tx, test->xdp_prog_tx, test->xskmap_tx, test->mode); + err = xsk_reattach_xdp(ifobj_tx, test->xdp_prog_tx, test->xskmap_tx, test->mode); + + return err; } static void clean_sockets(struct test_spec *test, struct ifobject *ifobj) @@ -1789,7 +1798,8 @@ static int testapp_validate_traffic(struct test_spec *test) } } - xsk_attach_xdp_progs(test, ifobj_rx, ifobj_tx); + if (xsk_attach_xdp_progs(test, ifobj_rx, ifobj_tx)) + return TEST_FAILURE; return __testapp_validate_traffic(test, ifobj_rx, ifobj_tx); } -- 2.51.0