From patchwork Wed Oct 11 14:02:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 732438 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F1616CD6E77 for ; Wed, 11 Oct 2023 14:03:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347033AbjJKODn (ORCPT ); Wed, 11 Oct 2023 10:03:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37578 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235048AbjJKOD3 (ORCPT ); Wed, 11 Oct 2023 10:03:29 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BD565103; Wed, 11 Oct 2023 07:03:21 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5813BC433C8; Wed, 11 Oct 2023 14:03:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1697033000; bh=swFjHYRAcIq+7y7eoCfw/OikCf4A6aTlX7mu0sQjbyw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WT7PE9Y7o+usoU/jopmxSwxzD0zuzQRSz749t5aYzXMhB9F7lR/Sw/H/Q88nb1gTw fiPHfrm7V4uVQ19XFpYD0srIVnQiUU6bnX3Bmwt08vR2KFcIrahZ1KAh89BwFIbYs0 wlDTk9tm+RLKl6gAVbk69kJBEJJm9QBYsY1tg6ya/L5qXBvUDLXMdQ2+i37dSp+2bz RwW9xj4Es5qrwmSPzZ/74OiXkPqP2ilAFdZcFJzK/cBzoo8h64G1OuWM+g8BZ34nBY S3NyNTbxWoCRGgjn7AmCCBg1PZwMnmyR9Idv9v1y0+m+OL2P+45a9hCHZrE6PSRPWY x9fYPiz9KdpxQ== From: Arnd Bergmann To: Jakub Kicinski Cc: netdev@vger.kernel.org, Greg Kroah-Hartman , linux-wireless@vger.kernel.org, Johannes Berg , linux-wpan@vger.kernel.org, Michael Hennerich , Paolo Abeni , Eric Dumazet , "David S . Miller" , Rodolfo Zitellini , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Arnd Bergmann , Kalle Valo Subject: [PATCH v2 09/10] wifi: hostap: remove unused ioctl function Date: Wed, 11 Oct 2023 16:02:24 +0200 Message-Id: <20231011140225.253106-9-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231011140225.253106-1-arnd@kernel.org> References: <20231011140225.253106-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Arnd Bergmann The ioctl handler has no actual callers in the kernel and is useless. All the functionality should be reachable through the regualar interfaces. Acked-by: Kalle Valo Signed-off-by: Arnd Bergmann --- drivers/staging/wireless/hostap/hostap.h | 1 - .../staging/wireless/hostap/hostap_ioctl.c | 228 ------------------ drivers/staging/wireless/hostap/hostap_main.c | 3 - 3 files changed, 232 deletions(-) diff --git a/drivers/staging/wireless/hostap/hostap.h b/drivers/staging/wireless/hostap/hostap.h index c17ab6dbbb538..552ae33d78751 100644 --- a/drivers/staging/wireless/hostap/hostap.h +++ b/drivers/staging/wireless/hostap/hostap.h @@ -92,7 +92,6 @@ void hostap_info_process(local_info_t *local, struct sk_buff *skb); extern const struct iw_handler_def hostap_iw_handler_def; extern const struct ethtool_ops prism2_ethtool_ops; -int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd); int hostap_siocdevprivate(struct net_device *dev, struct ifreq *ifr, void __user *data, int cmd); diff --git a/drivers/staging/wireless/hostap/hostap_ioctl.c b/drivers/staging/wireless/hostap/hostap_ioctl.c index b4adfc190ae87..26162f92e3c3d 100644 --- a/drivers/staging/wireless/hostap/hostap_ioctl.c +++ b/drivers/staging/wireless/hostap/hostap_ioctl.c @@ -2316,21 +2316,6 @@ static const struct iw_priv_args prism2_priv[] = { }; -static int prism2_ioctl_priv_inquire(struct net_device *dev, int *i) -{ - struct hostap_interface *iface; - local_info_t *local; - - iface = netdev_priv(dev); - local = iface->local; - - if (local->func->cmd(dev, HFA384X_CMDCODE_INQUIRE, *i, NULL, NULL)) - return -EOPNOTSUPP; - - return 0; -} - - static int prism2_ioctl_priv_prism2_param(struct net_device *dev, struct iw_request_info *info, union iwreq_data *uwrq, char *extra) @@ -2910,146 +2895,6 @@ static int prism2_ioctl_priv_writemif(struct net_device *dev, } -static int prism2_ioctl_priv_monitor(struct net_device *dev, int *i) -{ - struct hostap_interface *iface; - local_info_t *local; - int ret = 0; - union iwreq_data wrqu; - - iface = netdev_priv(dev); - local = iface->local; - - printk(KERN_DEBUG "%s: process %d (%s) used deprecated iwpriv monitor " - "- update software to use iwconfig mode monitor\n", - dev->name, task_pid_nr(current), current->comm); - - /* Backward compatibility code - this can be removed at some point */ - - if (*i == 0) { - /* Disable monitor mode - old mode was not saved, so go to - * Master mode */ - wrqu.mode = IW_MODE_MASTER; - ret = prism2_ioctl_siwmode(dev, NULL, &wrqu, NULL); - } else if (*i == 1) { - /* netlink socket mode is not supported anymore since it did - * not separate different devices from each other and was not - * best method for delivering large amount of packets to - * user space */ - ret = -EOPNOTSUPP; - } else if (*i == 2 || *i == 3) { - switch (*i) { - case 2: - local->monitor_type = PRISM2_MONITOR_80211; - break; - case 3: - local->monitor_type = PRISM2_MONITOR_PRISM; - break; - } - wrqu.mode = IW_MODE_MONITOR; - ret = prism2_ioctl_siwmode(dev, NULL, &wrqu, NULL); - hostap_monitor_mode_enable(local); - } else - ret = -EINVAL; - - return ret; -} - - -static int prism2_ioctl_priv_reset(struct net_device *dev, int *i) -{ - struct hostap_interface *iface; - local_info_t *local; - - iface = netdev_priv(dev); - local = iface->local; - - printk(KERN_DEBUG "%s: manual reset request(%d)\n", dev->name, *i); - switch (*i) { - case 0: - /* Disable and enable card */ - local->func->hw_shutdown(dev, 1); - local->func->hw_config(dev, 0); - break; - - case 1: - /* COR sreset */ - local->func->hw_reset(dev); - break; - - case 2: - /* Disable and enable port 0 */ - local->func->reset_port(dev); - break; - - case 3: - prism2_sta_deauth(local, WLAN_REASON_DEAUTH_LEAVING); - if (local->func->cmd(dev, HFA384X_CMDCODE_DISABLE, 0, NULL, - NULL)) - return -EINVAL; - break; - - case 4: - if (local->func->cmd(dev, HFA384X_CMDCODE_ENABLE, 0, NULL, - NULL)) - return -EINVAL; - break; - - default: - printk(KERN_DEBUG "Unknown reset request %d\n", *i); - return -EOPNOTSUPP; - } - - return 0; -} - - -static int prism2_ioctl_priv_set_rid_word(struct net_device *dev, int *i) -{ - int rid = *i; - int value = *(i + 1); - - printk(KERN_DEBUG "%s: Set RID[0x%X] = %d\n", dev->name, rid, value); - - if (hostap_set_word(dev, rid, value)) - return -EINVAL; - - return 0; -} - - -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT -static int ap_mac_cmd_ioctl(local_info_t *local, int *cmd) -{ - int ret = 0; - - switch (*cmd) { - case AP_MAC_CMD_POLICY_OPEN: - local->ap->mac_restrictions.policy = MAC_POLICY_OPEN; - break; - case AP_MAC_CMD_POLICY_ALLOW: - local->ap->mac_restrictions.policy = MAC_POLICY_ALLOW; - break; - case AP_MAC_CMD_POLICY_DENY: - local->ap->mac_restrictions.policy = MAC_POLICY_DENY; - break; - case AP_MAC_CMD_FLUSH: - ap_control_flush_macs(&local->ap->mac_restrictions); - break; - case AP_MAC_CMD_KICKALL: - ap_control_kickall(local->ap); - hostap_deauth_all_stas(local->dev, local->ap, 0); - break; - default: - ret = -EOPNOTSUPP; - break; - } - - return ret; -} -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - - #ifdef PRISM2_DOWNLOAD_SUPPORT static int prism2_ioctl_priv_download(local_info_t *local, struct iw_point *p) { @@ -3963,79 +3808,6 @@ const struct iw_handler_def hostap_iw_handler_def = .get_wireless_stats = hostap_get_wireless_stats, }; -/* Private ioctls (iwpriv) that have not yet been converted - * into new wireless extensions API */ -int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) -{ - struct iwreq *wrq = (struct iwreq *) ifr; - struct hostap_interface *iface; - local_info_t *local; - int ret = 0; - - iface = netdev_priv(dev); - local = iface->local; - - switch (cmd) { - case PRISM2_IOCTL_INQUIRE: - if (!capable(CAP_NET_ADMIN)) ret = -EPERM; - else ret = prism2_ioctl_priv_inquire(dev, (int *) wrq->u.name); - break; - - case PRISM2_IOCTL_MONITOR: - if (!capable(CAP_NET_ADMIN)) ret = -EPERM; - else ret = prism2_ioctl_priv_monitor(dev, (int *) wrq->u.name); - break; - - case PRISM2_IOCTL_RESET: - if (!capable(CAP_NET_ADMIN)) ret = -EPERM; - else ret = prism2_ioctl_priv_reset(dev, (int *) wrq->u.name); - break; - - case PRISM2_IOCTL_WDS_ADD: - if (!capable(CAP_NET_ADMIN)) ret = -EPERM; - else ret = prism2_wds_add(local, wrq->u.ap_addr.sa_data, 1); - break; - - case PRISM2_IOCTL_WDS_DEL: - if (!capable(CAP_NET_ADMIN)) ret = -EPERM; - else ret = prism2_wds_del(local, wrq->u.ap_addr.sa_data, 1, 0); - break; - - case PRISM2_IOCTL_SET_RID_WORD: - if (!capable(CAP_NET_ADMIN)) ret = -EPERM; - else ret = prism2_ioctl_priv_set_rid_word(dev, - (int *) wrq->u.name); - break; - -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT - case PRISM2_IOCTL_MACCMD: - if (!capable(CAP_NET_ADMIN)) ret = -EPERM; - else ret = ap_mac_cmd_ioctl(local, (int *) wrq->u.name); - break; - - case PRISM2_IOCTL_ADDMAC: - if (!capable(CAP_NET_ADMIN)) ret = -EPERM; - else ret = ap_control_add_mac(&local->ap->mac_restrictions, - wrq->u.ap_addr.sa_data); - break; - case PRISM2_IOCTL_DELMAC: - if (!capable(CAP_NET_ADMIN)) ret = -EPERM; - else ret = ap_control_del_mac(&local->ap->mac_restrictions, - wrq->u.ap_addr.sa_data); - break; - case PRISM2_IOCTL_KICKMAC: - if (!capable(CAP_NET_ADMIN)) ret = -EPERM; - else ret = ap_control_kick_mac(local->ap, local->dev, - wrq->u.ap_addr.sa_data); - break; -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - default: - ret = -EOPNOTSUPP; - break; - } - - return ret; -} /* Private ioctls that are not used with iwpriv; * in SIOCDEVPRIVATE range */ diff --git a/drivers/staging/wireless/hostap/hostap_main.c b/drivers/staging/wireless/hostap/hostap_main.c index 787f685e70b49..bf86ac26c2acc 100644 --- a/drivers/staging/wireless/hostap/hostap_main.c +++ b/drivers/staging/wireless/hostap/hostap_main.c @@ -796,7 +796,6 @@ static const struct net_device_ops hostap_netdev_ops = { .ndo_open = prism2_open, .ndo_stop = prism2_close, - .ndo_do_ioctl = hostap_ioctl, .ndo_siocdevprivate = hostap_siocdevprivate, .ndo_set_mac_address = prism2_set_mac_address, .ndo_set_rx_mode = hostap_set_multicast_list, @@ -809,7 +808,6 @@ static const struct net_device_ops hostap_mgmt_netdev_ops = { .ndo_open = prism2_open, .ndo_stop = prism2_close, - .ndo_do_ioctl = hostap_ioctl, .ndo_siocdevprivate = hostap_siocdevprivate, .ndo_set_mac_address = prism2_set_mac_address, .ndo_set_rx_mode = hostap_set_multicast_list, @@ -822,7 +820,6 @@ static const struct net_device_ops hostap_master_ops = { .ndo_open = prism2_open, .ndo_stop = prism2_close, - .ndo_do_ioctl = hostap_ioctl, .ndo_siocdevprivate = hostap_siocdevprivate, .ndo_set_mac_address = prism2_set_mac_address, .ndo_set_rx_mode = hostap_set_multicast_list,