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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,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 A704BC43219 for ; Thu, 25 Apr 2019 16:26:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0D9A12088F for ; Thu, 25 Apr 2019 16:26:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729904AbfDYQ0R (ORCPT ); Thu, 25 Apr 2019 12:26:17 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:48492 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726795AbfDYQ0Q (ORCPT ); Thu, 25 Apr 2019 12:26:16 -0400 Received: from pps.filterd (m0098421.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x3PGKvTo084714 for ; Thu, 25 Apr 2019 12:26:14 -0400 Received: from e06smtp07.uk.ibm.com (e06smtp07.uk.ibm.com [195.75.94.103]) by mx0a-001b2d01.pphosted.com with ESMTP id 2s3gb0r7n8-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Thu, 25 Apr 2019 12:26:14 -0400 Received: from localhost by e06smtp07.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Thu, 25 Apr 2019 17:26:10 +0100 Received: from d06av24.portsmouth.uk.ibm.com (d06av24.portsmouth.uk.ibm.com [9.149.105.60]) by b06cxnps4076.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x3PGQ8Ru31195150 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 25 Apr 2019 16:26:08 GMT Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7EFAB42042; Thu, 25 Apr 2019 16:26:08 +0000 (GMT) Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 31D7B42047; Thu, 25 Apr 2019 16:26:08 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by d06av24.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Thu, 25 Apr 2019 16:26:08 +0000 (GMT) From: Julian Wiedmann To: David Miller Cc: , , Martin Schwidefsky , Heiko Carstens , Stefan Raspl , Ursula Braun , Julian Wiedmann Subject: [PATCH net-next 2/8] s390/qeth: remove RX seqno in skb->cb Date: Thu, 25 Apr 2019 18:25:55 +0200 X-Mailer: git-send-email 2.16.4 In-Reply-To: <20190425162601.91997-1-jwi@linux.ibm.com> References: <20190425162601.91997-1-jwi@linux.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 19042516-0028-0000-0000-00000366C01C X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19042516-0029-0000-0000-000024261789 Message-Id: <20190425162601.91997-3-jwi@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-04-25_13:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1904250100 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org It's unclear what exact purpose this seqno may have served in the past. But it's certainly no longer used anymore, as the following napi_gro_receive() will straight away clear this part of the cb again. Suggested-by: Karsten Graul Signed-off-by: Julian Wiedmann --- drivers/s390/net/qeth_core.h | 1 - drivers/s390/net/qeth_l2_main.c | 2 -- 2 files changed, 3 deletions(-) diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index 86cae5e8e2c2..962e958c24f9 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -652,7 +652,6 @@ struct qeth_seqno { __u32 pdu_hdr; __u32 pdu_hdr_ack; __u16 ipa; - __u32 pkt_seqno; }; struct qeth_reply { diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index e26a6dff286f..07bfb110906d 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -332,8 +332,6 @@ static int qeth_l2_process_inbound_buffer(struct qeth_card *card, case QETH_HEADER_TYPE_LAYER2: skb->protocol = eth_type_trans(skb, skb->dev); qeth_rx_csum(card, skb, hdr->hdr.l2.flags[1]); - if (skb->protocol == htons(ETH_P_802_2)) - *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno; len = skb->len; napi_gro_receive(&card->napi, skb); break; -- 2.16.4