Commit acda130b authored by Luis R. Rodriguez's avatar Luis R. Rodriguez Committed by John W. Linville
Browse files

prism54: remove private driver ioctls



As of hostap_0_7_1~358 the CONFIG_DRIVER_PRISM54
was removed from upstream wpa_supplicant/hostapd so
lets just kill the useless old prism54 private ioctl
crap.

Cc: Jouni Malinen <j@w1.fi>
Cc: David Miller <davem@davemloft.net>
Reported-by: default avatarDavid Miller <davem@davemloft.net>
Signed-off-by: default avatarLuis R. Rodriguez <mcgrof@qca.qualcomm.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent eb840a80
......@@ -2493,323 +2493,7 @@ prism54_set_mac_address(struct net_device *ndev, void *addr)
return ret;
}
/* Note: currently, use hostapd ioctl from the Host AP driver for WPA
* support. This is to be replaced with Linux wireless extensions once they
* get WPA support. */
/* Note II: please leave all this together as it will be easier to remove later,
* once wireless extensions add WPA support -mcgrof */
/* PRISM54_HOSTAPD ioctl() cmd: */
enum {
PRISM2_SET_ENCRYPTION = 6,
PRISM2_HOSTAPD_SET_GENERIC_ELEMENT = 12,
PRISM2_HOSTAPD_MLME = 13,
PRISM2_HOSTAPD_SCAN_REQ = 14,
};
#define PRISM54_SET_WPA SIOCIWFIRSTPRIV+12
#define PRISM54_HOSTAPD SIOCIWFIRSTPRIV+25
#define PRISM54_DROP_UNENCRYPTED SIOCIWFIRSTPRIV+26
#define PRISM2_HOSTAPD_MAX_BUF_SIZE 1024
#define PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN \
offsetof(struct prism2_hostapd_param, u.generic_elem.data)
/* Maximum length for algorithm names (-1 for nul termination)
* used in ioctl() */
#define HOSTAP_CRYPT_ALG_NAME_LEN 16
struct prism2_hostapd_param {
u32 cmd;
u8 sta_addr[ETH_ALEN];
union {
struct {
u8 alg[HOSTAP_CRYPT_ALG_NAME_LEN];
u32 flags;
u32 err;
u8 idx;
u8 seq[8]; /* sequence counter (set: RX, get: TX) */
u16 key_len;
u8 key[0];
} crypt;
struct {
u8 len;
u8 data[0];
} generic_elem;
struct {
#define MLME_STA_DEAUTH 0
#define MLME_STA_DISASSOC 1
u16 cmd;
u16 reason_code;
} mlme;
struct {
u8 ssid_len;
u8 ssid[32];
} scan_req;
} u;
};
static int
prism2_ioctl_set_encryption(struct net_device *dev,
struct prism2_hostapd_param *param,
int param_len)
{
islpci_private *priv = netdev_priv(dev);
int rvalue = 0, force = 0;
int authen = DOT11_AUTH_OS, invoke = 0, exunencrypt = 0;
union oid_res_t r;
/* with the new API, it's impossible to get a NULL pointer.
* New version of iwconfig set the IW_ENCODE_NOKEY flag
* when no key is given, but older versions don't. */
if (param->u.crypt.key_len > 0) {
/* we have a key to set */
int index = param->u.crypt.idx;
int current_index;
struct obj_key key = { DOT11_PRIV_TKIP, 0, "" };
/* get the current key index */
rvalue = mgt_get_request(priv, DOT11_OID_DEFKEYID, 0, NULL, &r);
current_index = r.u;
/* Verify that the key is not marked as invalid */
if (!(param->u.crypt.flags & IW_ENCODE_NOKEY)) {
key.length = param->u.crypt.key_len > sizeof (param->u.crypt.key) ?
sizeof (param->u.crypt.key) : param->u.crypt.key_len;
memcpy(key.key, param->u.crypt.key, key.length);
if (key.length == 32)
/* we want WPA-PSK */
key.type = DOT11_PRIV_TKIP;
if ((index < 0) || (index > 3))
/* no index provided use the current one */
index = current_index;
/* now send the key to the card */
rvalue |=
mgt_set_request(priv, DOT11_OID_DEFKEYX, index,
&key);
}
/*
* If a valid key is set, encryption should be enabled
* (user may turn it off later).
* This is also how "iwconfig ethX key on" works
*/
if ((index == current_index) && (key.length > 0))
force = 1;
} else {
int index = (param->u.crypt.flags & IW_ENCODE_INDEX) - 1;
if ((index >= 0) && (index <= 3)) {
/* we want to set the key index */
rvalue |=
mgt_set_request(priv, DOT11_OID_DEFKEYID, 0,
&index);
} else {
if (!(param->u.crypt.flags & IW_ENCODE_MODE)) {
/* we cannot do anything. Complain. */
return -EINVAL;
}
}
}
/* now read the flags */
if (param->u.crypt.flags & IW_ENCODE_DISABLED) {
/* Encoding disabled,
* authen = DOT11_AUTH_OS;
* invoke = 0;
* exunencrypt = 0; */
}
if (param->u.crypt.flags & IW_ENCODE_OPEN)
/* Encode but accept non-encoded packets. No auth */
invoke = 1;
if ((param->u.crypt.flags & IW_ENCODE_RESTRICTED) || force) {
/* Refuse non-encoded packets. Auth */
authen = DOT11_AUTH_BOTH;
invoke = 1;
exunencrypt = 1;
}
/* do the change if requested */
if ((param->u.crypt.flags & IW_ENCODE_MODE) || force) {
rvalue |=
mgt_set_request(priv, DOT11_OID_AUTHENABLE, 0, &authen);
rvalue |=
mgt_set_request(priv, DOT11_OID_PRIVACYINVOKED, 0, &invoke);
rvalue |=
mgt_set_request(priv, DOT11_OID_EXUNENCRYPTED, 0,
&exunencrypt);
}
return rvalue;
}
static int
prism2_ioctl_set_generic_element(struct net_device *ndev,
struct prism2_hostapd_param *param,
int param_len)
{
islpci_private *priv = netdev_priv(ndev);
int max_len, len, alen, ret=0;
struct obj_attachment *attach;
len = param->u.generic_elem.len;
max_len = param_len - PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN;
if (max_len < 0 || max_len < len)
return -EINVAL;
alen = sizeof(*attach) + len;
attach = kzalloc(alen, GFP_KERNEL);
if (attach == NULL)
return -ENOMEM;
#define WLAN_FC_TYPE_MGMT 0
#define WLAN_FC_STYPE_ASSOC_REQ 0
#define WLAN_FC_STYPE_REASSOC_REQ 2
/* Note: endianness is covered by mgt_set_varlen */
attach->type = (WLAN_FC_TYPE_MGMT << 2) |
(WLAN_FC_STYPE_ASSOC_REQ << 4);
attach->id = -1;
attach->size = len;
memcpy(attach->data, param->u.generic_elem.data, len);
ret = mgt_set_varlen(priv, DOT11_OID_ATTACHMENT, attach, len);
if (ret == 0) {
attach->type = (WLAN_FC_TYPE_MGMT << 2) |
(WLAN_FC_STYPE_REASSOC_REQ << 4);
ret = mgt_set_varlen(priv, DOT11_OID_ATTACHMENT, attach, len);
if (ret == 0)
printk(KERN_DEBUG "%s: WPA IE Attachment was set\n",
ndev->name);
}
kfree(attach);
return ret;
}
static int
prism2_ioctl_mlme(struct net_device *dev, struct prism2_hostapd_param *param)
{
return -EOPNOTSUPP;
}
static int
prism2_ioctl_scan_req(struct net_device *ndev,
struct prism2_hostapd_param *param)
{
islpci_private *priv = netdev_priv(ndev);
struct iw_request_info info;
int i, rvalue;
struct obj_bsslist *bsslist;
u32 noise = 0;
char *extra = "";
char *current_ev = "foo";
union oid_res_t r;
if (islpci_get_state(priv) < PRV_STATE_INIT) {
/* device is not ready, fail gently */
return 0;
}
/* first get the noise value. We will use it to report the link quality */
rvalue = mgt_get_request(priv, DOT11_OID_NOISEFLOOR, 0, NULL, &r);
noise = r.u;
/* Ask the device for a list of known bss. We can report at most
* IW_MAX_AP=64 to the range struct. But the device won't repport anything
* if you change the value of IWMAX_BSS=24.
*/
rvalue |= mgt_get_request(priv, DOT11_OID_BSSLIST, 0, NULL, &r);
bsslist = r.ptr;
info.cmd = PRISM54_HOSTAPD;
info.flags = 0;
/* ok now, scan the list and translate its info */
for (i = 0; i < min(IW_MAX_AP, (int) bsslist->nr); i++)
current_ev = prism54_translate_bss(ndev, &info, current_ev,
extra + IW_SCAN_MAX_DATA,
&(bsslist->bsslist[i]),
noise);
kfree(bsslist);
return rvalue;
}
static int
prism54_hostapd(struct net_device *ndev, struct iw_point *p)
{
struct prism2_hostapd_param *param;
int ret = 0;
u32 uwrq;
printk(KERN_DEBUG "prism54_hostapd - len=%d\n", p->length);
if (p->length < sizeof(struct prism2_hostapd_param) ||
p->length > PRISM2_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
return -EINVAL;
param = memdup_user(p->pointer, p->length);
if (IS_ERR(param))
return PTR_ERR(param);
switch (param->cmd) {
case PRISM2_SET_ENCRYPTION:
printk(KERN_DEBUG "%s: Caught WPA supplicant set encryption request\n",
ndev->name);
ret = prism2_ioctl_set_encryption(ndev, param, p->length);
break;
case PRISM2_HOSTAPD_SET_GENERIC_ELEMENT:
printk(KERN_DEBUG "%s: Caught WPA supplicant set WPA IE request\n",
ndev->name);
ret = prism2_ioctl_set_generic_element(ndev, param,
p->length);
break;
case PRISM2_HOSTAPD_MLME:
printk(KERN_DEBUG "%s: Caught WPA supplicant MLME request\n",
ndev->name);
ret = prism2_ioctl_mlme(ndev, param);
break;
case PRISM2_HOSTAPD_SCAN_REQ:
printk(KERN_DEBUG "%s: Caught WPA supplicant scan request\n",
ndev->name);
ret = prism2_ioctl_scan_req(ndev, param);
break;
case PRISM54_SET_WPA:
printk(KERN_DEBUG "%s: Caught WPA supplicant wpa init request\n",
ndev->name);
uwrq = 1;
ret = prism54_set_wpa(ndev, NULL, &uwrq, NULL);
break;
case PRISM54_DROP_UNENCRYPTED:
printk(KERN_DEBUG "%s: Caught WPA drop unencrypted request\n",
ndev->name);
#if 0
uwrq = 0x01;
mgt_set(priv, DOT11_OID_EXUNENCRYPTED, &uwrq);
down_write(&priv->mib_sem);
mgt_commit(priv);
up_write(&priv->mib_sem);
#endif
/* Not necessary, as set_wpa does it, should we just do it here though? */
ret = 0;
break;
default:
printk(KERN_DEBUG "%s: Caught a WPA supplicant request that is not supported\n",
ndev->name);
ret = -EOPNOTSUPP;
break;
}
if (ret == 0 && copy_to_user(p->pointer, param, p->length))
ret = -EFAULT;
kfree(param);
return ret;
}
static int
prism54_set_wpa(struct net_device *ndev, struct iw_request_info *info,
......@@ -3223,20 +2907,3 @@ const struct iw_handler_def prism54_handler_def = {
.private_args = (struct iw_priv_args *) prism54_private_args,
.get_wireless_stats = prism54_get_wireless_stats,
};
/* For wpa_supplicant */
int
prism54_ioctl(struct net_device *ndev, struct ifreq *rq, int cmd)
{
struct iwreq *wrq = (struct iwreq *) rq;
int ret = -1;
switch (cmd) {
case PRISM54_HOSTAPD:
if (!capable(CAP_NET_ADMIN))
return -EPERM;
ret = prism54_hostapd(ndev, &wrq->u.data);
return ret;
}
return -EOPNOTSUPP;
}
......@@ -43,8 +43,6 @@ void prism54_wpa_bss_ie_clean(islpci_private *priv);
int prism54_set_mac_address(struct net_device *, void *);
int prism54_ioctl(struct net_device *, struct ifreq *, int);
extern const struct iw_handler_def prism54_handler_def;
#endif /* _ISL_IOCTL_H */
......@@ -804,7 +804,6 @@ static const struct ethtool_ops islpci_ethtool_ops = {
static const struct net_device_ops islpci_netdev_ops = {
.ndo_open = islpci_open,
.ndo_stop = islpci_close,
.ndo_do_ioctl = prism54_ioctl,
.ndo_start_xmit = islpci_eth_transmit,
.ndo_tx_timeout = islpci_eth_tx_timeout,
.ndo_set_mac_address = prism54_set_mac_address,
......
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