From patchwork Tue Jul 27 13:45:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 12402857 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=-19.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 9C06FC43216 for ; Tue, 27 Jul 2021 13:48:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 893D661AA8 for ; Tue, 27 Jul 2021 13:48:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236667AbhG0NsI (ORCPT ); Tue, 27 Jul 2021 09:48:08 -0400 Received: from mail.kernel.org ([198.145.29.99]:46736 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236975AbhG0Nq1 (ORCPT ); Tue, 27 Jul 2021 09:46:27 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id F2E1D61AA8; Tue, 27 Jul 2021 13:46:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1627393587; bh=gBgBZAebDtJXSKWPcxqP0vNXivcofN4bdSs/nzHkjyQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aCynIkpi7eoqDG56P8ZjOXC/eEBoSD5j9p0gIJ6IsDRJENHvZZaoDxMbwnypMPV1R 11MQBrLKP4OANvXzfUhA/QzkwxNDk0oSxgvJxfuwLw8mNpFKLan/gdFuuWz84pN/jU qnHFs5N2gnk3oiE5z4yfIitArVHrzuSZ0xF+gDRN+PNqcWzNyUBIM6RUnivJp2JbcQ LiubyUn/7Ortk/BfndD0Ma1OdxB31IqPzS12xbiGzdCwbDD6Nyk0G/7yx27A4blQxg KMGMjSslJea5duASgwARzZznHRPUyphXOyjwEVxmiGI1FZhatDUFTbaye/nbMEewcM C0D3jyNo3l3Jw== From: Arnd Bergmann To: netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Jakub Kicinski , "David S. Miller" , Arnd Bergmann , Julian Wiedmann , Karsten Graul , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , linux-s390@vger.kernel.org Subject: [PATCH net-next v3 16/31] qeth: use ndo_siocdevprivate Date: Tue, 27 Jul 2021 15:45:02 +0200 Message-Id: <20210727134517.1384504-17-arnd@kernel.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210727134517.1384504-1-arnd@kernel.org> References: <20210727134517.1384504-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org From: Arnd Bergmann qeth has both standard MII ioctls and custom SIOCDEVPRIVATE ones, all of which work correctly with compat user space. Move the private ones over to the new ndo_siocdevprivate callback. Cc: Julian Wiedmann Cc: Karsten Graul Cc: Heiko Carstens Cc: Vasily Gorbik Cc: Christian Borntraeger Cc: linux-s390@vger.kernel.org Signed-off-by: Arnd Bergmann --- drivers/s390/net/qeth_core.h | 5 ++++- drivers/s390/net/qeth_core_main.c | 35 ++++++++++++++++++++++--------- drivers/s390/net/qeth_l2_main.c | 1 + drivers/s390/net/qeth_l3_main.c | 8 ++++--- 4 files changed, 35 insertions(+), 14 deletions(-) diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index c17031519900..535a60b3946d 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -771,7 +771,8 @@ struct qeth_discipline { void (*remove) (struct ccwgroup_device *); int (*set_online)(struct qeth_card *card, bool carrier_ok); void (*set_offline)(struct qeth_card *card); - int (*do_ioctl)(struct net_device *dev, struct ifreq *rq, int cmd); + int (*do_ioctl)(struct net_device *dev, struct ifreq *rq, + void __user *data, int cmd); int (*control_event_handler)(struct qeth_card *card, struct qeth_ipa_cmd *cmd); }; @@ -1085,6 +1086,8 @@ int qeth_setadpparms_set_access_ctrl(struct qeth_card *card, enum qeth_ipa_isolation_modes mode); int qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); +int qeth_siocdevprivate(struct net_device *dev, struct ifreq *rq, + void __user *data, int cmd); void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...); int qeth_configure_cq(struct qeth_card *, enum qeth_cq); int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action); diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 7f486212c6aa..5b973f377504 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -6590,21 +6590,42 @@ static struct ccwgroup_driver qeth_core_ccwgroup_driver = { .shutdown = qeth_core_shutdown, }; -int qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) +int qeth_siocdevprivate(struct net_device *dev, struct ifreq *rq, void __user *data, int cmd) { struct qeth_card *card = dev->ml_priv; - struct mii_ioctl_data *mii_data; int rc = 0; switch (cmd) { case SIOC_QETH_ADP_SET_SNMP_CONTROL: - rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data); + rc = qeth_snmp_command(card, data); break; case SIOC_QETH_GET_CARD_TYPE: if ((IS_OSD(card) || IS_OSM(card) || IS_OSX(card)) && !IS_VM_NIC(card)) return 1; return 0; + case SIOC_QETH_QUERY_OAT: + rc = qeth_query_oat_command(card, data); + break; + default: + if (card->discipline->do_ioctl) + rc = card->discipline->do_ioctl(dev, rq, data, cmd); + else + rc = -EOPNOTSUPP; + } + if (rc) + QETH_CARD_TEXT_(card, 2, "ioce%x", rc); + return rc; +} +EXPORT_SYMBOL_GPL(qeth_siocdevprivate); + +int qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) +{ + struct qeth_card *card = dev->ml_priv; + struct mii_ioctl_data *mii_data; + int rc = 0; + + switch (cmd) { case SIOCGMIIPHY: mii_data = if_mii(rq); mii_data->phy_id = 0; @@ -6617,14 +6638,8 @@ int qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) mii_data->val_out = qeth_mdio_read(dev, mii_data->phy_id, mii_data->reg_num); break; - case SIOC_QETH_QUERY_OAT: - rc = qeth_query_oat_command(card, rq->ifr_ifru.ifru_data); - break; default: - if (card->discipline->do_ioctl) - rc = card->discipline->do_ioctl(dev, rq, cmd); - else - rc = -EOPNOTSUPP; + return -EOPNOTSUPP; } if (rc) QETH_CARD_TEXT_(card, 2, "ioce%x", rc); diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index 7fe0f1aea3cb..d50d3cba238e 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -837,6 +837,7 @@ static const struct net_device_ops qeth_l2_netdev_ops = { .ndo_validate_addr = qeth_l2_validate_addr, .ndo_set_rx_mode = qeth_l2_set_rx_mode, .ndo_do_ioctl = qeth_do_ioctl, + .ndo_siocdevprivate = qeth_siocdevprivate, .ndo_set_mac_address = qeth_l2_set_mac_address, .ndo_vlan_rx_add_vid = qeth_l2_vlan_rx_add_vid, .ndo_vlan_rx_kill_vid = qeth_l2_vlan_rx_kill_vid, diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index 7cc59f4f046c..d7a895372f19 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -1512,7 +1512,7 @@ static int qeth_l3_arp_flush_cache(struct qeth_card *card) return rc; } -static int qeth_l3_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) +static int qeth_l3_do_ioctl(struct net_device *dev, struct ifreq *rq, void __user *data, int cmd) { struct qeth_card *card = dev->ml_priv; struct qeth_arp_cache_entry arp_entry; @@ -1532,13 +1532,13 @@ static int qeth_l3_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) rc = -EPERM; break; } - rc = qeth_l3_arp_query(card, rq->ifr_ifru.ifru_data); + rc = qeth_l3_arp_query(card, data); break; case SIOC_QETH_ARP_ADD_ENTRY: case SIOC_QETH_ARP_REMOVE_ENTRY: if (!capable(CAP_NET_ADMIN)) return -EPERM; - if (copy_from_user(&arp_entry, rq->ifr_data, sizeof(arp_entry))) + if (copy_from_user(&arp_entry, data, sizeof(arp_entry))) return -EFAULT; arp_cmd = (cmd == SIOC_QETH_ARP_ADD_ENTRY) ? @@ -1842,6 +1842,7 @@ static const struct net_device_ops qeth_l3_netdev_ops = { .ndo_validate_addr = eth_validate_addr, .ndo_set_rx_mode = qeth_l3_set_rx_mode, .ndo_do_ioctl = qeth_do_ioctl, + .ndo_siocdevprivate = qeth_siocdevprivate, .ndo_fix_features = qeth_fix_features, .ndo_set_features = qeth_set_features, .ndo_tx_timeout = qeth_tx_timeout, @@ -1857,6 +1858,7 @@ static const struct net_device_ops qeth_l3_osa_netdev_ops = { .ndo_validate_addr = eth_validate_addr, .ndo_set_rx_mode = qeth_l3_set_rx_mode, .ndo_do_ioctl = qeth_do_ioctl, + .ndo_siocdevprivate = qeth_siocdevprivate, .ndo_fix_features = qeth_fix_features, .ndo_set_features = qeth_set_features, .ndo_tx_timeout = qeth_tx_timeout,