From patchwork Thu Mar 18 18:54:54 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julian Wiedmann X-Patchwork-Id: 12149043 X-Patchwork-Delegate: kuba@kernel.org 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 A48B1C4332D for ; Thu, 18 Mar 2021 18:56:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 737F264F01 for ; Thu, 18 Mar 2021 18:56:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232503AbhCRSzl (ORCPT ); Thu, 18 Mar 2021 14:55:41 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:49264 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229958AbhCRSzI (ORCPT ); Thu, 18 Mar 2021 14:55:08 -0400 Received: from pps.filterd (m0098410.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 12IIYNLn067507; Thu, 18 Mar 2021 14:55:06 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=I96ZE7Ybv1EQHbi8vMBRVEz3PSyuFyH5lvk2YGQeMkw=; b=CUlddIcDhtwmcH7oGtQGL7iJniIwtVguJnmJWATmJcqLfhDRXmrP68KhuAWb2sVBRnYh CET8Csr+7OA00XbganAiBvOkm+ktttW7pKcLxQbFGDEWhyP5wV3KR18yJS1yUMLd5myN TfBs4EfMGOeYr/fpiW1AuIU9nIAa+DBhviHED6+x/IGF2dUjOjWp4aQLoZhMla1ZJn29 uL57kNJA68qYx1mIxXtP7E5gmGgrS/jRtAmJkZUAxx3Jp3k2bPC+SC9bBvSVET/NiT6z E1fvMgDrbFiqG9iZ/cEPR1l5Fvogehobr2OKC4l/K3XamXTxRDhRLbNqrqid7FfE4Svt aw== Received: from ppma03ams.nl.ibm.com (62.31.33a9.ip4.static.sl-reverse.com [169.51.49.98]) by mx0a-001b2d01.pphosted.com with ESMTP id 37c102qd09-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 18 Mar 2021 14:55:06 -0400 Received: from pps.filterd (ppma03ams.nl.ibm.com [127.0.0.1]) by ppma03ams.nl.ibm.com (8.16.0.43/8.16.0.43) with SMTP id 12IIqErn017135; Thu, 18 Mar 2021 18:55:03 GMT Received: from b06cxnps4076.portsmouth.uk.ibm.com (d06relay13.portsmouth.uk.ibm.com [9.149.109.198]) by ppma03ams.nl.ibm.com with ESMTP id 378n18n1d6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 18 Mar 2021 18:55:03 +0000 Received: from d06av23.portsmouth.uk.ibm.com (d06av23.portsmouth.uk.ibm.com [9.149.105.59]) by b06cxnps4076.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 12IIt0Td14811510 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 18 Mar 2021 18:55:01 GMT Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id CE05BA4057; Thu, 18 Mar 2021 18:55:00 +0000 (GMT) Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 94926A4051; Thu, 18 Mar 2021 18:55:00 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by d06av23.portsmouth.uk.ibm.com (Postfix) with ESMTP; Thu, 18 Mar 2021 18:55:00 +0000 (GMT) From: Julian Wiedmann To: David Miller , Jakub Kicinski Cc: linux-netdev , linux-s390 , Heiko Carstens , Karsten Graul , Julian Wiedmann Subject: [PATCH net-next 1/3] s390/qeth: allocate initial TX Buffer structs with GFP_KERNEL Date: Thu, 18 Mar 2021 19:54:54 +0100 Message-Id: <20210318185456.2153426-2-jwi@linux.ibm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210318185456.2153426-1-jwi@linux.ibm.com> References: <20210318185456.2153426-1-jwi@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369,18.0.761 definitions=2021-03-18_12:2021-03-17,2021-03-18 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 priorityscore=1501 impostorscore=0 suspectscore=0 spamscore=0 mlxlogscore=999 malwarescore=0 mlxscore=0 phishscore=0 lowpriorityscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2103180131 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org qeth_init_qdio_out_buf() is typically called during initialization, and the GFP_ATOMIC is only needed for a very specific & rare case during TX completion. Allow callers to specify a gfp mask, so that the initialization path can select GFP_KERNEL. While at it also clarify the function name. Signed-off-by: Julian Wiedmann --- drivers/s390/net/qeth_core_main.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index a814698387bc..abd1e49cf97a 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -2590,11 +2590,12 @@ static int qeth_ulp_setup(struct qeth_card *card) return qeth_send_control_data(card, iob, qeth_ulp_setup_cb, NULL); } -static int qeth_init_qdio_out_buf(struct qeth_qdio_out_q *q, int bidx) +static int qeth_alloc_out_buf(struct qeth_qdio_out_q *q, unsigned int bidx, + gfp_t gfp) { struct qeth_qdio_out_buffer *newbuf; - newbuf = kmem_cache_zalloc(qeth_qdio_outbuf_cache, GFP_ATOMIC); + newbuf = kmem_cache_zalloc(qeth_qdio_outbuf_cache, gfp); if (!newbuf) return -ENOMEM; @@ -2629,7 +2630,7 @@ static struct qeth_qdio_out_q *qeth_alloc_output_queue(void) goto err_qdio_bufs; for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; i++) { - if (qeth_init_qdio_out_buf(q, i)) + if (qeth_alloc_out_buf(q, i, GFP_KERNEL)) goto err_out_bufs; } @@ -6088,7 +6089,8 @@ static void qeth_iqd_tx_complete(struct qeth_qdio_out_q *queue, /* Prepare the queue slot for immediate re-use: */ qeth_scrub_qdio_buffer(buffer->buffer, queue->max_elements); - if (qeth_init_qdio_out_buf(queue, bidx)) { + if (qeth_alloc_out_buf(queue, bidx, + GFP_ATOMIC)) { QETH_CARD_TEXT(card, 2, "outofbuf"); qeth_schedule_recovery(card); } From patchwork Thu Mar 18 18:54:55 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julian Wiedmann X-Patchwork-Id: 12149041 X-Patchwork-Delegate: kuba@kernel.org 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 7EF4BC4332B for ; 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Thu, 18 Mar 2021 18:55:00 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by d06av23.portsmouth.uk.ibm.com (Postfix) with ESMTP; Thu, 18 Mar 2021 18:55:00 +0000 (GMT) From: Julian Wiedmann To: David Miller , Jakub Kicinski Cc: linux-netdev , linux-s390 , Heiko Carstens , Karsten Graul , Julian Wiedmann Subject: [PATCH net-next 2/3] s390/qeth: enable napi_consume_skb() for pending TX buffers Date: Thu, 18 Mar 2021 19:54:55 +0100 Message-Id: <20210318185456.2153426-3-jwi@linux.ibm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210318185456.2153426-1-jwi@linux.ibm.com> References: <20210318185456.2153426-1-jwi@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369,18.0.761 definitions=2021-03-18_12:2021-03-17,2021-03-18 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 spamscore=0 malwarescore=0 suspectscore=0 mlxlogscore=999 clxscore=1015 lowpriorityscore=0 bulkscore=0 phishscore=0 priorityscore=1501 mlxscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2103180131 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Pending TX buffers are completed from the same NAPI code as normal TX buffers. Pass the NAPI budget to qeth_tx_complete_buf() so that the freeing of the completed skbs can be deferred. Signed-off-by: Julian Wiedmann --- drivers/s390/net/qeth_core_main.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index abd1e49cf97a..6954d4e831a3 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -1453,7 +1453,7 @@ static void qeth_clear_output_buffer(struct qeth_qdio_out_q *queue, static void qeth_tx_complete_pending_bufs(struct qeth_card *card, struct qeth_qdio_out_q *queue, - bool drain) + bool drain, int budget) { struct qeth_qdio_out_buffer *buf, *tmp; @@ -1465,7 +1465,7 @@ static void qeth_tx_complete_pending_bufs(struct qeth_card *card, if (drain) qeth_notify_skbs(queue, buf, TX_NOTIFY_GENERALERROR); - qeth_tx_complete_buf(buf, drain, 0); + qeth_tx_complete_buf(buf, drain, budget); list_del(&buf->list_entry); kmem_cache_free(qeth_qdio_outbuf_cache, buf); @@ -1477,7 +1477,7 @@ static void qeth_drain_output_queue(struct qeth_qdio_out_q *q, bool free) { int j; - qeth_tx_complete_pending_bufs(q->card, q, true); + qeth_tx_complete_pending_bufs(q->card, q, true, 0); for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) { if (!q->bufs[j]) @@ -6152,7 +6152,7 @@ static int qeth_tx_poll(struct napi_struct *napi, int budget) unsigned int bytes = 0; int completed; - qeth_tx_complete_pending_bufs(card, queue, false); + qeth_tx_complete_pending_bufs(card, queue, false, budget); if (qeth_out_queue_is_empty(queue)) { napi_complete(napi); From patchwork Thu Mar 18 18:54:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julian Wiedmann X-Patchwork-Id: 12149045 X-Patchwork-Delegate: kuba@kernel.org 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 C3159C43331 for ; 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Thu, 18 Mar 2021 18:55:01 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by d06av23.portsmouth.uk.ibm.com (Postfix) with ESMTP; Thu, 18 Mar 2021 18:55:01 +0000 (GMT) From: Julian Wiedmann To: David Miller , Jakub Kicinski Cc: linux-netdev , linux-s390 , Heiko Carstens , Karsten Graul , Julian Wiedmann Subject: [PATCH net-next 3/3] s390/qeth: remove RX VLAN filter stubs in L3 driver Date: Thu, 18 Mar 2021 19:54:56 +0100 Message-Id: <20210318185456.2153426-4-jwi@linux.ibm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210318185456.2153426-1-jwi@linux.ibm.com> References: <20210318185456.2153426-1-jwi@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369,18.0.761 definitions=2021-03-18_12:2021-03-17,2021-03-18 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 suspectscore=0 priorityscore=1501 impostorscore=0 mlxscore=0 phishscore=0 mlxlogscore=999 malwarescore=0 bulkscore=0 adultscore=0 spamscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2103180131 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org The callbacks have been slimmed down to a level where they no longer do any actual work. So stop pretending that we support the NETIF_F_HW_VLAN_CTAG_FILTER feature. Signed-off-by: Julian Wiedmann --- drivers/s390/net/qeth_l3_main.c | 25 +------------------------ 1 file changed, 1 insertion(+), 24 deletions(-) diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index dd441eaec66e..35b42275a06c 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -1123,24 +1123,6 @@ static int qeth_l3_add_mcast_rtnl(struct net_device *dev, int vid, void *arg) return 0; } -static int qeth_l3_vlan_rx_add_vid(struct net_device *dev, - __be16 proto, u16 vid) -{ - struct qeth_card *card = dev->ml_priv; - - QETH_CARD_TEXT_(card, 4, "aid:%d", vid); - return 0; -} - -static int qeth_l3_vlan_rx_kill_vid(struct net_device *dev, - __be16 proto, u16 vid) -{ - struct qeth_card *card = dev->ml_priv; - - QETH_CARD_TEXT_(card, 4, "kid:%d", vid); - return 0; -} - static void qeth_l3_set_promisc_mode(struct qeth_card *card) { bool enable = card->dev->flags & IFF_PROMISC; @@ -1861,8 +1843,6 @@ static const struct net_device_ops qeth_l3_netdev_ops = { .ndo_do_ioctl = qeth_do_ioctl, .ndo_fix_features = qeth_fix_features, .ndo_set_features = qeth_set_features, - .ndo_vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid, - .ndo_vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid, .ndo_tx_timeout = qeth_tx_timeout, }; @@ -1878,8 +1858,6 @@ static const struct net_device_ops qeth_l3_osa_netdev_ops = { .ndo_do_ioctl = qeth_do_ioctl, .ndo_fix_features = qeth_fix_features, .ndo_set_features = qeth_set_features, - .ndo_vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid, - .ndo_vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid, .ndo_tx_timeout = qeth_tx_timeout, .ndo_neigh_setup = qeth_l3_neigh_setup, }; @@ -1933,8 +1911,7 @@ static int qeth_l3_setup_netdev(struct qeth_card *card) card->dev->needed_headroom = headroom; card->dev->features |= NETIF_F_HW_VLAN_CTAG_TX | - NETIF_F_HW_VLAN_CTAG_RX | - NETIF_F_HW_VLAN_CTAG_FILTER; + NETIF_F_HW_VLAN_CTAG_RX; netif_keep_dst(card->dev); if (card->dev->hw_features & (NETIF_F_TSO | NETIF_F_TSO6))