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Message-Id: <20231011140225.253106-6-arnd@kernel.org>
Date: Wed, 11 Oct 2023 16:02:21 +0200
From: Arnd Bergmann <arnd@...nel.org>
To: Jakub Kicinski <kuba@...nel.org>
Cc: netdev@...r.kernel.org,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
linux-wireless@...r.kernel.org,
Johannes Berg <johannes@...solutions.net>,
linux-wpan@...r.kernel.org,
Michael Hennerich <michael.hennerich@...log.com>,
Paolo Abeni <pabeni@...hat.com>,
Eric Dumazet <edumazet@...gle.com>,
"David S . Miller" <davem@...emloft.net>,
Rodolfo Zitellini <rwz@...ro.org>, linux-doc@...r.kernel.org,
linux-kernel@...r.kernel.org, Arnd Bergmann <arnd@...db.de>
Subject: [PATCH v2 06/10] staging: rtl8712: remove unused legacy ioctl handlers
From: Arnd Bergmann <arnd@...db.de>
The .ndo_do_ioctl functions are never called, and can just be removed,
especially since this is a staging driver.
Reviewed-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
drivers/staging/rtl8712/os_intfs.c | 1 -
drivers/staging/rtl8712/osdep_intf.h | 2 -
drivers/staging/rtl8712/rtl871x_ioctl_linux.c | 124 ------------------
3 files changed, 127 deletions(-)
diff --git a/drivers/staging/rtl8712/os_intfs.c b/drivers/staging/rtl8712/os_intfs.c
index b18e6d9c832b8..121edffbd2507 100644
--- a/drivers/staging/rtl8712/os_intfs.c
+++ b/drivers/staging/rtl8712/os_intfs.c
@@ -191,7 +191,6 @@ static const struct net_device_ops rtl8712_netdev_ops = {
.ndo_start_xmit = r8712_xmit_entry,
.ndo_set_mac_address = r871x_net_set_mac_address,
.ndo_get_stats = r871x_net_get_stats,
- .ndo_do_ioctl = r871x_ioctl,
};
struct net_device *r8712_init_netdev(void)
diff --git a/drivers/staging/rtl8712/osdep_intf.h b/drivers/staging/rtl8712/osdep_intf.h
index 9e75116c987ec..ce823030bfec2 100644
--- a/drivers/staging/rtl8712/osdep_intf.h
+++ b/drivers/staging/rtl8712/osdep_intf.h
@@ -27,6 +27,4 @@ struct intf_priv {
struct completion io_retevt_comp;
};
-int r871x_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
-
#endif /*_OSDEP_INTF_H_*/
diff --git a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
index 36f6904d25abc..a4a34c9f00b84 100644
--- a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
+++ b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
@@ -36,8 +36,6 @@
#include <linux/if_arp.h>
#include <linux/etherdevice.h>
-#define RTL_IOCTL_WPA_SUPPLICANT (SIOCIWFIRSTPRIV + 0x1E)
-
#define SCAN_ITEM_SIZE 768
#define MAX_CUSTOM_LEN 64
#define RATE_COUNT 4
@@ -2066,128 +2064,6 @@ static int r871x_wps_start(struct net_device *dev,
return 0;
}
-static int wpa_set_param(struct net_device *dev, u8 name, u32 value)
-{
- struct _adapter *padapter = netdev_priv(dev);
-
- switch (name) {
- case IEEE_PARAM_WPA_ENABLED:
- padapter->securitypriv.AuthAlgrthm = 2; /* 802.1x */
- switch ((value) & 0xff) {
- case 1: /* WPA */
- padapter->securitypriv.ndisauthtype =
- Ndis802_11AuthModeWPAPSK; /* WPA_PSK */
- padapter->securitypriv.ndisencryptstatus =
- Ndis802_11Encryption2Enabled;
- break;
- case 2: /* WPA2 */
- padapter->securitypriv.ndisauthtype =
- Ndis802_11AuthModeWPA2PSK; /* WPA2_PSK */
- padapter->securitypriv.ndisencryptstatus =
- Ndis802_11Encryption3Enabled;
- break;
- }
- break;
- case IEEE_PARAM_TKIP_COUNTERMEASURES:
- break;
- case IEEE_PARAM_DROP_UNENCRYPTED:
- /* HACK:
- *
- * wpa_supplicant calls set_wpa_enabled when the driver
- * is loaded and unloaded, regardless of if WPA is being
- * used. No other calls are made which can be used to
- * determine if encryption will be used or not prior to
- * association being expected. If encryption is not being
- * used, drop_unencrypted is set to false, else true -- we
- * can use this to determine if the CAP_PRIVACY_ON bit should
- * be set.
- */
- break;
- case IEEE_PARAM_PRIVACY_INVOKED:
- break;
- case IEEE_PARAM_AUTH_ALGS:
- return wpa_set_auth_algs(dev, value);
- case IEEE_PARAM_IEEE_802_1X:
- break;
- case IEEE_PARAM_WPAX_SELECT:
- /* added for WPA2 mixed mode */
- break;
- default:
- return -EOPNOTSUPP;
- }
- return 0;
-}
-
-static int wpa_mlme(struct net_device *dev, u32 command, u32 reason)
-{
- struct _adapter *padapter = netdev_priv(dev);
-
- switch (command) {
- case IEEE_MLME_STA_DEAUTH:
- if (!r8712_set_802_11_disassociate(padapter))
- return -1;
- break;
- case IEEE_MLME_STA_DISASSOC:
- if (!r8712_set_802_11_disassociate(padapter))
- return -1;
- break;
- default:
- return -EOPNOTSUPP;
- }
- return 0;
-}
-
-static int wpa_supplicant_ioctl(struct net_device *dev, struct iw_point *p)
-{
- struct ieee_param *param;
- int ret = 0;
- struct _adapter *padapter = netdev_priv(dev);
-
- if (p->length < sizeof(struct ieee_param) || !p->pointer)
- return -EINVAL;
- param = memdup_user(p->pointer, p->length);
- if (IS_ERR(param))
- return PTR_ERR(param);
- switch (param->cmd) {
- case IEEE_CMD_SET_WPA_PARAM:
- ret = wpa_set_param(dev, param->u.wpa_param.name,
- param->u.wpa_param.value);
- break;
- case IEEE_CMD_SET_WPA_IE:
- ret = r871x_set_wpa_ie(padapter, (char *)param->u.wpa_ie.data,
- (u16)param->u.wpa_ie.len);
- break;
- case IEEE_CMD_SET_ENCRYPTION:
- ret = wpa_set_encryption(dev, param, p->length);
- break;
- case IEEE_CMD_MLME:
- ret = wpa_mlme(dev, param->u.mlme.command,
- param->u.mlme.reason_code);
- break;
- default:
- ret = -EOPNOTSUPP;
- break;
- }
- if (ret == 0 && copy_to_user(p->pointer, param, p->length))
- ret = -EFAULT;
- kfree(param);
- return ret;
-}
-
-/* based on "driver_ipw" and for hostapd */
-int r871x_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
-{
- struct iwreq *wrq = (struct iwreq *)rq;
-
- switch (cmd) {
- case RTL_IOCTL_WPA_SUPPLICANT:
- return wpa_supplicant_ioctl(dev, &wrq->u.data);
- default:
- return -EOPNOTSUPP;
- }
- return 0;
-}
-
static iw_handler r8711_handlers[] = {
NULL, /* SIOCSIWCOMMIT */
r8711_wx_get_name, /* SIOCGIWNAME */
--
2.39.2
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