diff mbox series

[net-next,v3,04/31] hostap: use ndo_siocdevprivate

Message ID 20210727134517.1384504-5-arnd@kernel.org (mailing list archive)
State Accepted
Commit 3f3fa5340745c81a2e70a171fb73a44b433d5126
Delegated to: Netdev Maintainers
Headers show
Series ndo_ioctl rework | expand

Checks

Context Check Description
netdev/cover_letter success Link
netdev/fixes_present success Link
netdev/patch_count fail Series longer than 15 patches
netdev/tree_selection success Clearly marked for net-next
netdev/subject_prefix success Link
netdev/cc_maintainers warning 3 maintainers not CCed: bigeasy@linutronix.de lee.jones@linaro.org linux-wireless@vger.kernel.org
netdev/source_inline success Was 0 now: 0
netdev/verify_signedoff success Link
netdev/module_param success Was 0 now: 0
netdev/build_32bit success Errors and warnings before: 9 this patch: 9
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/verify_fixes success Link
netdev/checkpatch warning WARNING: Block comments use a trailing */ on a separate line WARNING: drivers/net/wireless/intersil/hostap/hostap.h is marked as 'obsolete' in the MAINTAINERS hierarchy. No unnecessary modifications please. WARNING: drivers/net/wireless/intersil/hostap/hostap_ioctl.c is marked as 'obsolete' in the MAINTAINERS hierarchy. No unnecessary modifications please. WARNING: drivers/net/wireless/intersil/hostap/hostap_main.c is marked as 'obsolete' in the MAINTAINERS hierarchy. No unnecessary modifications please.
netdev/build_allmodconfig_warn success Errors and warnings before: 8 this patch: 8
netdev/header_inline success Link

Commit Message

Arnd Bergmann July 27, 2021, 1:44 p.m. UTC 
From: Arnd Bergmann <arnd@arndb.de>

hostap has a combination of iwpriv ioctls that do not work at
all, and two SIOCDEVPRIVATE commands that work natively but
lack a compat conversion handler.

For the moment, move them over to the new ndo_siocdevprivate
interface and return an error for compat mode.

Cc: Jouni Malinen <j@w1.fi>
Cc: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/net/wireless/intersil/hostap/hostap.h |  3 +-
 .../wireless/intersil/hostap/hostap_ioctl.c   | 30 +++++++++++++++----
 .../wireless/intersil/hostap/hostap_main.c    |  3 ++
 3 files changed, 29 insertions(+), 7 deletions(-)

Comments

Kalle Valo July 28, 2021, 7:07 a.m. UTC | #1 
(adding linux-wireless list)

Arnd Bergmann <arnd@kernel.org> writes:

> From: Arnd Bergmann <arnd@arndb.de>
>
> hostap has a combination of iwpriv ioctls that do not work at
> all, and two SIOCDEVPRIVATE commands that work natively but
> lack a compat conversion handler.
>
> For the moment, move them over to the new ndo_siocdevprivate
> interface and return an error for compat mode.
>
> Cc: Jouni Malinen <j@w1.fi>
> Cc: Kalle Valo <kvalo@codeaurora.org>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Acked-by: Kalle Valo <kvalo@codeaurora.org>
diff mbox series

Patch

diff --git a/drivers/net/wireless/intersil/hostap/hostap.h b/drivers/net/wireless/intersil/hostap/hostap.h
index c4b81ff7d7e4..c17ab6dbbb53 100644
--- a/drivers/net/wireless/intersil/hostap/hostap.h
+++ b/drivers/net/wireless/intersil/hostap/hostap.h
@@ -93,6 +93,7 @@  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);
 
 #endif /* HOSTAP_H */
diff --git a/drivers/net/wireless/intersil/hostap/hostap_ioctl.c b/drivers/net/wireless/intersil/hostap/hostap_ioctl.c
index 49766b285230..0a376f112db9 100644
--- a/drivers/net/wireless/intersil/hostap/hostap_ioctl.c
+++ b/drivers/net/wireless/intersil/hostap/hostap_ioctl.c
@@ -3941,7 +3941,8 @@  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;
@@ -3953,9 +3954,6 @@  int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 	local = iface->local;
 
 	switch (cmd) {
-		/* Private ioctls (iwpriv) that have not yet been converted
-		 * into new wireless extensions API */
-
 	case PRISM2_IOCTL_INQUIRE:
 		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
 		else ret = prism2_ioctl_priv_inquire(dev, (int *) wrq->u.name);
@@ -4009,11 +4007,31 @@  int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 					       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 */
+int hostap_siocdevprivate(struct net_device *dev, struct ifreq *ifr,
+			  void __user *data, int cmd)
+{
+	struct iwreq *wrq = (struct iwreq *)ifr;
+	struct hostap_interface *iface;
+	local_info_t *local;
+	int ret = 0;
 
-		/* Private ioctls that are not used with iwpriv;
-		 * in SIOCDEVPRIVATE range */
+	iface = netdev_priv(dev);
+	local = iface->local;
+
+	if (in_compat_syscall()) /* not implemented yet */
+		return -EOPNOTSUPP;
 
+	switch (cmd) {
 #ifdef PRISM2_DOWNLOAD_SUPPORT
 	case PRISM2_IOCTL_DOWNLOAD:
 		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
diff --git a/drivers/net/wireless/intersil/hostap/hostap_main.c b/drivers/net/wireless/intersil/hostap/hostap_main.c
index de97b3304115..54f67b682b6a 100644
--- a/drivers/net/wireless/intersil/hostap/hostap_main.c
+++ b/drivers/net/wireless/intersil/hostap/hostap_main.c
@@ -797,6 +797,7 @@  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,
 	.ndo_tx_timeout 	= prism2_tx_timeout,
@@ -809,6 +810,7 @@  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,
 	.ndo_tx_timeout 	= prism2_tx_timeout,
@@ -821,6 +823,7 @@  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,
 	.ndo_tx_timeout 	= prism2_tx_timeout,