From patchwork Wed Jul 19 11:38:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hannes Reinecke X-Patchwork-Id: 13318842 X-Patchwork-Delegate: kuba@kernel.org Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 6F0CD14274 for ; Wed, 19 Jul 2023 11:40:12 +0000 (UTC) Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 73D331FFC for ; Wed, 19 Jul 2023 04:39:53 -0700 (PDT) Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out2.suse.de (Postfix) with ESMTP id C12051FEB3; Wed, 19 Jul 2023 11:38:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1689766720; 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=b6jtiezrHbpPbHdDJAQk+MY/BXvcSOqXXZBiE03yA8s=; b=i6dHIDC1P8dXm4raN+9ug2bYvOg0HUsi6A4/TZjO7NdhbJN5RRBtF2rt7VIB3sNQIhshqw +K62c050L+EYL3Y8i4G081iqpc8HzM58ZjFr6MrQ0SRNPxmO3r3AmjSPKBrqzoa+r+KIva splwbIvVAJNepKHmhFSeRU1Dj4GmSRk= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1689766720; 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=b6jtiezrHbpPbHdDJAQk+MY/BXvcSOqXXZBiE03yA8s=; b=B1FMkEpFBFl/GVgW1AGeHoki7FpKax3Zf33QYpUxlWPGgfNBltCl2gkxo+Q1NSR1mAd0Tv cN10bXhwZCuCoaAA== Received: from adalid.arch.suse.de (adalid.arch.suse.de [10.161.8.13]) by relay2.suse.de (Postfix) with ESMTP id A99A82C145; Wed, 19 Jul 2023 11:38:40 +0000 (UTC) Received: by adalid.arch.suse.de (Postfix, from userid 16045) id 9C9C951C9ECF; Wed, 19 Jul 2023 13:38:40 +0200 (CEST) From: Hannes Reinecke To: Christoph Hellwig Cc: Sagi Grimberg , Keith Busch , linux-nvme@lists.infradead.org, Jakub Kicinski , Eric Dumazet , Paolo Abeni , netdev@vger.kernel.org, Hannes Reinecke Subject: [PATCH 2/6] net/tls: handle MSG_EOR for tls_device TX flow Date: Wed, 19 Jul 2023 13:38:32 +0200 Message-Id: <20230719113836.68859-3-hare@suse.de> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20230719113836.68859-1-hare@suse.de> References: <20230719113836.68859-1-hare@suse.de> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net X-Patchwork-Delegate: kuba@kernel.org tls_push_data() 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 absence of MSG_MORE. Consequently we should return an error when both are set. Cc: Jakub Kicinski Cc: netdev@vger.kernel.org Signed-off-by: Hannes Reinecke --- net/tls/tls_device.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c index 2021fe557e50..5df18f696d7f 100644 --- a/net/tls/tls_device.c +++ b/net/tls/tls_device.c @@ -441,9 +441,13 @@ static int tls_push_data(struct sock *sk, long timeo; if (flags & - ~(MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL | MSG_SPLICE_PAGES)) + ~(MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL | + MSG_SPLICE_PAGES | MSG_EOR)) return -EOPNOTSUPP; + if ((flags & (MSG_MORE | MSG_EOR)) == (MSG_MORE | MSG_EOR)) + return -EINVAL; + if (unlikely(sk->sk_err)) return -sk->sk_err;