From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,T_DKIMWL_WL_HIGH,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B2A64C28CC6 for ; Mon, 3 Jun 2019 09:13:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8C7E927EE7 for ; Mon, 3 Jun 2019 09:13:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559553236; bh=8Az0AwzX3b9nGOZ0VZTWq+bLJqd5hRLz7w6L96IVQRc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=O/X/eG+fKebpBNzY59FIxBaLkG8W6vDc0ZLNYWq2wHdhYsK5ZCT3pjWKlR8qkSB6w kWaamyAY0VoQtVFvlnW+lNymx1REzhcxw+qgdrOGt01oJfYYFy7OHkKDR/si7nrJ7c U5nuxYYUw6W/SOFcZLUTINjj3pLi6asgcdS02JIo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727318AbfFCJNz (ORCPT ); Mon, 3 Jun 2019 05:13:55 -0400 Received: from mail.kernel.org ([198.145.29.99]:34332 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728164AbfFCJNw (ORCPT ); Mon, 3 Jun 2019 05:13:52 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8B00621952; Mon, 3 Jun 2019 09:13:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559553232; bh=8Az0AwzX3b9nGOZ0VZTWq+bLJqd5hRLz7w6L96IVQRc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=roSy1h4c2vLItvn8AkKdrJheDKEg7AM0MaN7xX0E18CA05ah9kBGLKWgYXm61su6A GN+7Wr3+o55Uu28nZltXL6R6YUiQz1djYVSycTrh3/vfSdQu9M90R3RZZMuoeUrmYC 4pyD1IDhH3kt4pvCN4sotoaKQENd91jcCfRxVsUw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jakub Kicinski , Dirk van der Merwe , "David S. Miller" Subject: [PATCH 5.1 31/40] selftests/tls: test for lowat overshoot with multiple records Date: Mon, 3 Jun 2019 11:09:24 +0200 Message-Id: <20190603090524.461355889@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190603090522.617635820@linuxfoundation.org> References: <20190603090522.617635820@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Jakub Kicinski [ Upstream commit 7718a855cd7ae9fc27a2aa1532ee105d52eb7634 ] Set SO_RCVLOWAT and test it gets respected when gathering data from multiple records. Signed-off-by: Jakub Kicinski Reviewed-by: Dirk van der Merwe Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- tools/testing/selftests/net/tls.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) --- a/tools/testing/selftests/net/tls.c +++ b/tools/testing/selftests/net/tls.c @@ -575,6 +575,25 @@ TEST_F(tls, recv_peek_large_buf_mult_rec EXPECT_EQ(memcmp(test_str, buf, len), 0); } +TEST_F(tls, recv_lowat) +{ + char send_mem[10] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }; + char recv_mem[20]; + int lowat = 8; + + EXPECT_EQ(send(self->fd, send_mem, 10, 0), 10); + EXPECT_EQ(send(self->fd, send_mem, 5, 0), 5); + + memset(recv_mem, 0, 20); + EXPECT_EQ(setsockopt(self->cfd, SOL_SOCKET, SO_RCVLOWAT, + &lowat, sizeof(lowat)), 0); + EXPECT_EQ(recv(self->cfd, recv_mem, 1, MSG_WAITALL), 1); + EXPECT_EQ(recv(self->cfd, recv_mem + 1, 6, MSG_WAITALL), 6); + EXPECT_EQ(recv(self->cfd, recv_mem + 7, 10, 0), 8); + + EXPECT_EQ(memcmp(send_mem, recv_mem, 10), 0); + EXPECT_EQ(memcmp(send_mem, recv_mem + 10, 5), 0); +} TEST_F(tls, pollin) {