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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F0479EB64DA for ; Wed, 19 Jul 2023 11:19:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=gvILd7sk13wwDq+N4D5AU+ZHek+MVfhla4H8J9D8dBw=; b=kdhC98BpFFu3p/N3Pr1cL9aZgr M/dPaVkDSb5N01QlO+Aj8N7q8u9mCn3DBindTojvfoPtnQTsGRtV7Bz/b4gDRvx3gkXtPejr4A1KM rpt99RfAcJwsORocR1D7lfUZ6/ddBbpA6uw6YiV1UFiCGiXkNrvOPSZlmbqeE46DBPlyu0vlU6ar+ jP9aropO2IjlO0OvcLjj1IMmg5+2kYsgKF555qUMykkcJB8I6t7Ty+9htjvZFEN8P5upLnZfMm7vz UVVf/lgvnFH/CdkPF6XohlCVkuOOUwsy+jkxFNvlQQYc6YJeK6os1JpJL+P7OQCiRzf82j2l2e8+A 9SwyUUCg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qM5Dk-0076HY-0q; Wed, 19 Jul 2023 11:19:52 +0000 Received: from smtp-out1.suse.de ([2001:67c:2178:6::1c]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qM5Dh-0076Ec-1S for linux-nvme@lists.infradead.org; Wed, 19 Jul 2023 11:19:50 +0000 Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out1.suse.de (Postfix) with ESMTP id 07B6821B68; Wed, 19 Jul 2023 11:19:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1689765588; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=gvILd7sk13wwDq+N4D5AU+ZHek+MVfhla4H8J9D8dBw=; b=QKf4rHEgkfF363ZtObP/c36dA/nJbgHoUWelvbsc2cwpDZ/0FV9qx+DIa2du1k6T/HKdbC GsRqnmDkX3bWpqihnCGYzNlSeKGrbUlHF9+mdJAZTeKexlSMv8dweyay5HuJapUIIFZDP7 NlhjNUasOx5dUXV5v3oZua5NfO/2+NA= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1689765588; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=gvILd7sk13wwDq+N4D5AU+ZHek+MVfhla4H8J9D8dBw=; b=OyBzKnCUPiBWh9ZoyCFDOX60/PyGR9HwJd5z26W2JEZhwaSanOva5puVyh0iT/W/oFEQq7 CF6nxZ1MVF8wO8AA== Received: from adalid.arch.suse.de (adalid.arch.suse.de [10.161.8.13]) by relay2.suse.de (Postfix) with ESMTP id D99B02C143; Wed, 19 Jul 2023 11:19:47 +0000 (UTC) Received: by adalid.arch.suse.de (Postfix, from userid 16045) id CC3EE51C9EBD; Wed, 19 Jul 2023 13:19:47 +0200 (CEST) From: Hannes Reinecke To: Christoph Hellwig Cc: Sagi Grimberg , Keith Busch , linux-nvme@lists.infradead.org, Jakub Kicinski , Eric Dumazet , Paolo Abeni , linux-netdev@vger.kernel.org, Hannes Reinecke , netdev@vger.kernel.org Subject: [PATCH 1/6] net/tls: handle MSG_EOR for tls_sw TX flow Date: Wed, 19 Jul 2023 13:19:39 +0200 Message-Id: <20230719111944.68544-2-hare@suse.de> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20230719111944.68544-1-hare@suse.de> References: <20230719111944.68544-1-hare@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230719_041949_664642_812B1BE0 X-CRM114-Status: GOOD ( 13.39 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org tls_sw_sendmsg() already handles MSG_MORE, but bails out on MSG_EOR. Seeing that MSG_EOR is basically the opposite of MSG_MORE this patch adds handling MSG_EOR by treating it as the negation of MSG_MORE. And erroring out if MSG_EOR is specified with MSG_MORE. Cc: Jakub Kicinski Cc: netdev@vger.kernel.org Signed-off-by: Hannes Reinecke --- net/tls/tls_sw.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c index 53f944e6d8ef..9aef45e870a5 100644 --- a/net/tls/tls_sw.c +++ b/net/tls/tls_sw.c @@ -984,6 +984,9 @@ static int tls_sw_sendmsg_locked(struct sock *sk, struct msghdr *msg, int ret = 0; int pending; + if (!eor && (msg->msg_flags & MSG_EOR)) + return -EINVAL; + if (unlikely(msg->msg_controllen)) { ret = tls_process_cmsg(sk, msg, &record_type); if (ret) { @@ -1193,7 +1196,7 @@ int tls_sw_sendmsg(struct sock *sk, struct msghdr *msg, size_t size) int ret; if (msg->msg_flags & ~(MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL | - MSG_CMSG_COMPAT | MSG_SPLICE_PAGES | + MSG_CMSG_COMPAT | MSG_SPLICE_PAGES | MSG_EOR | MSG_SENDPAGE_NOPOLICY)) return -EOPNOTSUPP; -- 2.35.3