From patchwork Fri May 26 14:31:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hannes Reinecke X-Patchwork-Id: 13256978 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 A3C70271E1 for ; Fri, 26 May 2023 14:33:01 +0000 (UTC) Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 025D91703 for ; Fri, 26 May 2023 07:32:36 -0700 (PDT) Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out1.suse.de (Postfix) with ESMTP id DAD0521B18; Fri, 26 May 2023 14:31:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1685111519; 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=NMxERdXx7wwqcXUcsFITgZvHQBWYGRWSZzCfKLrybFM=; b=Nq2iIcrFitbylzUVB2kXFh/eNTAnNolgrPnAvbtykyeAvuP0/Gt2PoHYqJDpwV6GoV2uqJ cbr3saZvoYdvXbZFUUIK7Aj94NlaWB/5Iigthonx4BL1qY2OXbpu40WfySE0wNgGPxz+nm FpgIHVZNoBxbWLdZtZBuGABf0/LEQvk= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1685111519; 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=NMxERdXx7wwqcXUcsFITgZvHQBWYGRWSZzCfKLrybFM=; b=o27bLuj+fU+1s0ceXb3c+/tNm5OWJW4HSP/9TCKMgHwFSPLC8QwgUaHWY9SxgbkuzEbVxe GpAD8gRLILBt/4Ag== Received: from adalid.arch.suse.de (adalid.arch.suse.de [10.161.8.13]) by relay2.suse.de (Postfix) with ESMTP id B988C2C141; Fri, 26 May 2023 14:31:59 +0000 (UTC) Received: by adalid.arch.suse.de (Postfix, from userid 16045) id ABCC851C3F40; Fri, 26 May 2023 16:31:58 +0200 (CEST) From: Hannes Reinecke To: Christoph Hellwig Cc: Sagi Grimberg , Keith Busch , linux-nvme@lists.infradead.org, Hannes Reinecke , Jakub Kicinski , netdev@vger.kernel.org Subject: [PATCH 1/3] net/tls: handle MSG_EOR for tls_sw TX flow Date: Fri, 26 May 2023 16:31:50 +0200 Message-Id: <20230526143152.53954-2-hare@suse.de> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20230526143152.53954-1-hare@suse.de> References: <20230526143152.53954-1-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=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,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_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. Cc: Jakub Kicinski Cc: netdev@vger.kernel.org Signed-off-by: Hannes Reinecke --- net/tls/tls_sw.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c index 635b8bf6b937..be8e0459d403 100644 --- a/net/tls/tls_sw.c +++ b/net/tls/tls_sw.c @@ -953,9 +953,12 @@ int tls_sw_sendmsg(struct sock *sk, struct msghdr *msg, size_t size) int pending; if (msg->msg_flags & ~(MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL | - MSG_CMSG_COMPAT)) + MSG_EOR | MSG_CMSG_COMPAT)) return -EOPNOTSUPP; + if (msg->msg_flags & MSG_EOR) + eor = true; + ret = mutex_lock_interruptible(&tls_ctx->tx_lock); if (ret) return ret; @@ -1173,6 +1176,8 @@ static int tls_sw_do_sendpage(struct sock *sk, struct page *page, bool eor; eor = !(flags & MSG_SENDPAGE_NOTLAST); + if (flags & MSG_EOR) + eor = true; sk_clear_bit(SOCKWQ_ASYNC_NOSPACE, sk); /* Call the sk_stream functions to manage the sndbuf mem. */ @@ -1274,7 +1279,7 @@ static int tls_sw_do_sendpage(struct sock *sk, struct page *page, int tls_sw_sendpage_locked(struct sock *sk, struct page *page, int offset, size_t size, int flags) { - 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; @@ -1288,7 +1293,7 @@ int tls_sw_sendpage(struct sock *sk, struct page *page, struct tls_context *tls_ctx = tls_get_ctx(sk); int ret; - if (flags & ~(MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL | + if (flags & ~(MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL | MSG_EOR | MSG_SENDPAGE_NOTLAST | MSG_SENDPAGE_NOPOLICY)) return -EOPNOTSUPP;