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 9C81CEB64DA for ; Wed, 14 Jun 2023 07:30:50 +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=YTMjYHHAGQPuyZsL7/qOC3M5jgcdnJ73CtJafqJiKF4=; b=Ade4Ems78Xpj8qVdQZlVOoi00z 6jhGN0yivVAEVNPJNQi/He3wkoe95UDGUToKgG3eRhbIShcojc7H1xmj1FOcUe3XiupopTd9b6WhP lB+8vYFr+1dehsXnpiIi+DA3PFdeAA3M2T/j4Kk618DrpVcdIzqSDzxmQBawnwRvswJWJpMUMaAUw ox7o+hnLbc19IlI5m2G6oXxrMRord9Gk83XqemxIIBhgPB0VwLeQQnseWBiEthUZWvOBP8JTjhvtk oNo0YLwpI0opcU3WJDe4nr85+pHKKffzqrxPdyRQxPUzA2aQhZh7nnCAxsJbB1Z/+NRtF03FHFqch HPisGeyA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q9Kxg-00Afzu-2c; Wed, 14 Jun 2023 07:30:36 +0000 Received: from smtp-out2.suse.de ([195.135.220.29]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1q9Jtf-00APgp-29 for linux-nvme@lists.infradead.org; Wed, 14 Jun 2023 06:22:26 +0000 Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out2.suse.de (Postfix) with ESMTP id 782C81FDD8; Wed, 14 Jun 2023 06:22:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1686723740; 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=YTMjYHHAGQPuyZsL7/qOC3M5jgcdnJ73CtJafqJiKF4=; b=uT4TuYK677rQq8HFzK9ZExZrtZzpAa+sooL94SrLe9TXvvZYhnLClCGZeHygPKyYZzKi8v 0zQKnfe88dgoI54m+ndTQfApLDZkHCCmjcU+Rs6LnJytDcYxOjtlZFXTUeRV1VGrjna2ln uE8r8pMdM/3CFFR1I0q2c3wM9iDtvu4= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1686723740; 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=YTMjYHHAGQPuyZsL7/qOC3M5jgcdnJ73CtJafqJiKF4=; b=uQ0TCmWiK01uBLpCx6Yhmevi+qPAEJneLt3IJf7CXVU4k9EwBR4x9l3IdidEMIGwQxa1eS CWUK7bVpC9s8qvAg== Received: from adalid.arch.suse.de (adalid.arch.suse.de [10.161.8.13]) by relay2.suse.de (Postfix) with ESMTP id 5D7912C141; Wed, 14 Jun 2023 06:22:20 +0000 (UTC) Received: by adalid.arch.suse.de (Postfix, from userid 16045) id 4ACFE51C4DD9; Wed, 14 Jun 2023 08:22:20 +0200 (CEST) From: Hannes Reinecke To: Christoph Hellwig Cc: Sagi Grimberg , Keith Busch , linux-nvme@lists.infradead.org, Jakub Kicinski , netdev@vger.kernel.org, Hannes Reinecke Subject: [PATCH 1/4] net/tls: handle MSG_EOR for tls_sw TX flow Date: Wed, 14 Jun 2023 08:22:09 +0200 Message-Id: <20230614062212.73288-2-hare@suse.de> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20230614062212.73288-1-hare@suse.de> References: <20230614062212.73288-1-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-20230613_232223_890517_C6CA52EF X-CRM114-Status: GOOD ( 12.25 ) 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() / tls_do_sw_sendpage() already handles MSG_MORE / MSG_SENDPAGE_NOTLAST, but bails out on MSG_EOR. But seeing that MSG_EOR is basically the opposite of MSG_MORE / MSG_SENDPAGE_NOTLAST this patch adds handling MSG_EOR by treating it as the negation of MSG_MORE. And erroring out if MSG_EOR is specified with either MSG_MORE or MSG_SENDPAGE_NOTLAST. Cc: Jakub Kicinski Cc: netdev@vger.kernel.org Signed-off-by: Hannes Reinecke --- net/tls/tls_sw.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c index 319f61590d2c..47eeff4d7d10 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_NOTLAST | MSG_SENDPAGE_NOPOLICY)) return -EOPNOTSUPP; @@ -1287,7 +1290,7 @@ int tls_sw_sendpage_locked(struct sock *sk, struct page *page, struct bio_vec bvec; struct msghdr msg = { .msg_flags = flags | MSG_SPLICE_PAGES, }; - if (flags & ~(MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL | + if (flags & ~(MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL | MSG_EOR | MSG_SENDPAGE_NOTLAST | MSG_SENDPAGE_NOPOLICY | MSG_NO_SHARED_FRAGS)) return -EOPNOTSUPP; -- 2.35.3