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/* zd_netdev.c
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <net/ieee80211.h>
#include <net/ieee80211softmac.h>
#include <net/ieee80211softmac_wx.h>
#include <net/iw_handler.h>
#include "zd_def.h"
#include "zd_netdev.h"
#include "zd_mac.h"
#include "zd_ieee80211.h"
/* Region 0 means reset regdomain to default. */
static int zd_set_regdomain(struct net_device *netdev,
struct iw_request_info *info,
union iwreq_data *req, char *extra)
{
const u8 *regdomain = (u8 *)req;
return zd_mac_set_regdomain(zd_netdev_mac(netdev), *regdomain);
}
static int zd_get_regdomain(struct net_device *netdev,
struct iw_request_info *info,
union iwreq_data *req, char *extra)
{
u8 *regdomain = (u8 *)req;
if (!regdomain)
return -EINVAL;
*regdomain = zd_mac_get_regdomain(zd_netdev_mac(netdev));
return 0;
}
static const struct iw_priv_args zd_priv_args[] = {
{
.cmd = ZD_PRIV_SET_REGDOMAIN,
.set_args = IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
.name = "set_regdomain",
},
{
.cmd = ZD_PRIV_GET_REGDOMAIN,
.get_args = IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
.name = "get_regdomain",
},
};
#define PRIV_OFFSET(x) [(x)-SIOCIWFIRSTPRIV]
static const iw_handler zd_priv_handler[] = {
PRIV_OFFSET(ZD_PRIV_SET_REGDOMAIN) = zd_set_regdomain,
PRIV_OFFSET(ZD_PRIV_GET_REGDOMAIN) = zd_get_regdomain,
};
static int iw_get_name(struct net_device *netdev,
struct iw_request_info *info,
union iwreq_data *req, char *extra)
{
/* FIXME: check whether 802.11a will also supported */
strlcpy(req->name, "IEEE 802.11b/g", IFNAMSIZ);
return 0;
}
static int iw_get_nick(struct net_device *netdev,
struct iw_request_info *info,
union iwreq_data *req, char *extra)
{
strcpy(extra, "zd1211");
req->data.length = strlen(extra) + 1;
req->data.flags = 1;
return 0;
}
static int iw_set_freq(struct net_device *netdev,
struct iw_request_info *info,
union iwreq_data *req, char *extra)
{
int r;
struct zd_mac *mac = zd_netdev_mac(netdev);
struct iw_freq *freq = &req->freq;
u8 channel;
r = zd_find_channel(&channel, freq);
if (r < 0)
return r;
r = zd_mac_request_channel(mac, channel);
return r;
}
static int iw_get_freq(struct net_device *netdev,
struct iw_request_info *info,
union iwreq_data *req, char *extra)
{
int r;
struct zd_mac *mac = zd_netdev_mac(netdev);
struct iw_freq *freq = &req->freq;
u8 channel;
u8 flags;
r = zd_mac_get_channel(mac, &channel, &flags);
if (r)
return r;
freq->flags = (flags & MAC_FIXED_CHANNEL) ?
IW_FREQ_FIXED : IW_FREQ_AUTO;
dev_dbg_f(zd_mac_dev(mac), "channel %s\n",
(flags & MAC_FIXED_CHANNEL) ? "fixed" : "auto");
return zd_channel_to_freq(freq, channel);
}
static int iw_set_mode(struct net_device *netdev,
struct iw_request_info *info,
union iwreq_data *req, char *extra)
{
return zd_mac_set_mode(zd_netdev_mac(netdev), req->mode);
}
static int iw_get_mode(struct net_device *netdev,
struct iw_request_info *info,
union iwreq_data *req, char *extra)
{
return zd_mac_get_mode(zd_netdev_mac(netdev), &req->mode);
}
static int iw_get_range(struct net_device *netdev,
struct iw_request_info *info,
union iwreq_data *req, char *extra)
{
struct iw_range *range = (struct iw_range *)extra;
dev_dbg_f(zd_mac_dev(zd_netdev_mac(netdev)), "\n");
req->data.length = sizeof(*range);
return zd_mac_get_range(zd_netdev_mac(netdev), range);
}
static int iw_set_encode(struct net_device *netdev,
struct iw_request_info *info,
union iwreq_data *data,
char *extra)
{
return ieee80211_wx_set_encode(zd_netdev_ieee80211(netdev), info,
data, extra);
}
static int iw_get_encode(struct net_device *netdev,
struct iw_request_info *info,
union iwreq_data *data,
char *extra)
{
return ieee80211_wx_get_encode(zd_netdev_ieee80211(netdev), info,
data, extra);
}
static int iw_set_encodeext(struct net_device *netdev,
struct iw_request_info *info,
union iwreq_data *data,
char *extra)
{
return ieee80211_wx_set_encodeext(zd_netdev_ieee80211(netdev), info,
data, extra);
}
static int iw_get_encodeext(struct net_device *netdev,
struct iw_request_info *info,
union iwreq_data *data,
char *extra)
{
return ieee80211_wx_get_encodeext(zd_netdev_ieee80211(netdev), info,
data, extra);
}
#define WX(x) [(x)-SIOCIWFIRST]
static const iw_handler zd_standard_iw_handlers[] = {
WX(SIOCGIWNAME) = iw_get_name,
WX(SIOCGIWNICKN) = iw_get_nick,
WX(SIOCSIWFREQ) = iw_set_freq,
WX(SIOCGIWFREQ) = iw_get_freq,
WX(SIOCSIWMODE) = iw_set_mode,
WX(SIOCGIWMODE) = iw_get_mode,
WX(SIOCGIWRANGE) = iw_get_range,
WX(SIOCSIWENCODE) = iw_set_encode,
WX(SIOCGIWENCODE) = iw_get_encode,
WX(SIOCSIWENCODEEXT) = iw_set_encodeext,
WX(SIOCGIWENCODEEXT) = iw_get_encodeext,
WX(SIOCSIWAUTH) = ieee80211_wx_set_auth,
WX(SIOCGIWAUTH) = ieee80211_wx_get_auth,
WX(SIOCSIWSCAN) = ieee80211softmac_wx_trigger_scan,
WX(SIOCGIWSCAN) = ieee80211softmac_wx_get_scan_results,
WX(SIOCSIWESSID) = ieee80211softmac_wx_set_essid,
WX(SIOCGIWESSID) = ieee80211softmac_wx_get_essid,
WX(SIOCSIWAP) = ieee80211softmac_wx_set_wap,
WX(SIOCGIWAP) = ieee80211softmac_wx_get_wap,
WX(SIOCSIWRATE) = ieee80211softmac_wx_set_rate,
WX(SIOCGIWRATE) = ieee80211softmac_wx_get_rate,
WX(SIOCSIWGENIE) = ieee80211softmac_wx_set_genie,
WX(SIOCGIWGENIE) = ieee80211softmac_wx_get_genie,
WX(SIOCSIWMLME) = ieee80211softmac_wx_set_mlme,
};
static const struct iw_handler_def iw_handler_def = {
.standard = zd_standard_iw_handlers,
.num_standard = ARRAY_SIZE(zd_standard_iw_handlers),
.private = zd_priv_handler,
.num_private = ARRAY_SIZE(zd_priv_handler),
.private_args = zd_priv_args,
.num_private_args = ARRAY_SIZE(zd_priv_args),
.get_wireless_stats = zd_mac_get_wireless_stats,
};
struct net_device *zd_netdev_alloc(struct usb_interface *intf)
{
int r;
struct net_device *netdev;
struct zd_mac *mac;
netdev = alloc_ieee80211softmac(sizeof(struct zd_mac));
if (!netdev) {
dev_dbg_f(&intf->dev, "out of memory\n");
return NULL;
}
mac = zd_netdev_mac(netdev);
r = zd_mac_init(mac, netdev, intf);
if (r) {
usb_set_intfdata(intf, NULL);
free_ieee80211(netdev);
return NULL;
}
SET_MODULE_OWNER(netdev);
SET_NETDEV_DEV(netdev, &intf->dev);
dev_dbg_f(&intf->dev, "netdev->flags %#06hx\n", netdev->flags);
dev_dbg_f(&intf->dev, "netdev->features %#010lx\n", netdev->features);
netdev->open = zd_mac_open;
netdev->stop = zd_mac_stop;
/* netdev->get_stats = */
/* netdev->set_multicast_list = */
netdev->set_mac_address = zd_mac_set_mac_address;
netdev->wireless_handlers = &iw_handler_def;
/* netdev->ethtool_ops = */
return netdev;
}
void zd_netdev_free(struct net_device *netdev)
{
if (!netdev)
return;
zd_mac_clear(zd_netdev_mac(netdev));
free_ieee80211(netdev);
}
void zd_netdev_disconnect(struct net_device *netdev)
{
unregister_netdev(netdev);
}
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