[2.6 patch] drivers/net/wireless/ipw2100.c: remove code for WIRELESS_EXT < 18

From: Adrian Bunk
Date: Sat Jan 14 2006 - 10:19:28 EST


WIRELESS_EXT < 18 will never be true in the kernel.


Signed-off-by: Adrian Bunk <bunk@xxxxxxxxx>

---

drivers/net/wireless/ipw2100.c | 434 ---------------------------------
1 file changed, 434 deletions(-)

--- linux-2.6.15-rc3-mm1/drivers/net/wireless/ipw2100.c.old 2005-12-03 02:56:37.000000000 +0100
+++ linux-2.6.15-rc3-mm1/drivers/net/wireless/ipw2100.c 2005-12-03 02:58:09.000000000 +0100
@@ -5735,70 +5735,6 @@
return &priv->ieee->stats;
}

-#if WIRELESS_EXT < 18
-/* Support for wpa_supplicant before WE-18, deprecated. */
-
-/* following definitions must match definitions in driver_ipw.c */
-
-#define IPW2100_IOCTL_WPA_SUPPLICANT SIOCIWFIRSTPRIV+30
-
-#define IPW2100_CMD_SET_WPA_PARAM 1
-#define IPW2100_CMD_SET_WPA_IE 2
-#define IPW2100_CMD_SET_ENCRYPTION 3
-#define IPW2100_CMD_MLME 4
-
-#define IPW2100_PARAM_WPA_ENABLED 1
-#define IPW2100_PARAM_TKIP_COUNTERMEASURES 2
-#define IPW2100_PARAM_DROP_UNENCRYPTED 3
-#define IPW2100_PARAM_PRIVACY_INVOKED 4
-#define IPW2100_PARAM_AUTH_ALGS 5
-#define IPW2100_PARAM_IEEE_802_1X 6
-
-#define IPW2100_MLME_STA_DEAUTH 1
-#define IPW2100_MLME_STA_DISASSOC 2
-
-#define IPW2100_CRYPT_ERR_UNKNOWN_ALG 2
-#define IPW2100_CRYPT_ERR_UNKNOWN_ADDR 3
-#define IPW2100_CRYPT_ERR_CRYPT_INIT_FAILED 4
-#define IPW2100_CRYPT_ERR_KEY_SET_FAILED 5
-#define IPW2100_CRYPT_ERR_TX_KEY_SET_FAILED 6
-#define IPW2100_CRYPT_ERR_CARD_CONF_FAILED 7
-
-#define IPW2100_CRYPT_ALG_NAME_LEN 16
-
-struct ipw2100_param {
- u32 cmd;
- u8 sta_addr[ETH_ALEN];
- union {
- struct {
- u8 name;
- u32 value;
- } wpa_param;
- struct {
- u32 len;
- u8 reserved[32];
- u8 data[0];
- } wpa_ie;
- struct {
- u32 command;
- u32 reason_code;
- } mlme;
- struct {
- u8 alg[IPW2100_CRYPT_ALG_NAME_LEN];
- u8 set_tx;
- u32 err;
- u8 idx;
- u8 seq[8]; /* sequence counter (set: RX, get: TX) */
- u16 key_len;
- u8 key[0];
- } crypt;
-
- } u;
-};
-
-/* end of driver_ipw.c code */
-#endif /* WIRELESS_EXT < 18 */
-
static int ipw2100_wpa_enable(struct ipw2100_priv *priv, int value)
{
/* This is called when wpa_supplicant loads and closes the driver
@@ -5807,11 +5743,6 @@
return 0;
}

-#if WIRELESS_EXT < 18
-#define IW_AUTH_ALG_OPEN_SYSTEM 0x1
-#define IW_AUTH_ALG_SHARED_KEY 0x2
-#endif
-
static int ipw2100_wpa_set_auth_algs(struct ipw2100_priv *priv, int value)
{

@@ -5855,360 +5786,6 @@
ipw2100_set_wpa_ie(priv, &frame, 0);
}

-#if WIRELESS_EXT < 18
-static int ipw2100_wpa_set_param(struct net_device *dev, u8 name, u32 value)
-{
- struct ipw2100_priv *priv = ieee80211_priv(dev);
- struct ieee80211_crypt_data *crypt;
- unsigned long flags;
- int ret = 0;
-
- switch (name) {
- case IPW2100_PARAM_WPA_ENABLED:
- ret = ipw2100_wpa_enable(priv, value);
- break;
-
- case IPW2100_PARAM_TKIP_COUNTERMEASURES:
- crypt = priv->ieee->crypt[priv->ieee->tx_keyidx];
- if (!crypt || !crypt->ops->set_flags || !crypt->ops->get_flags)
- break;
-
- flags = crypt->ops->get_flags(crypt->priv);
-
- if (value)
- flags |= IEEE80211_CRYPTO_TKIP_COUNTERMEASURES;
- else
- flags &= ~IEEE80211_CRYPTO_TKIP_COUNTERMEASURES;
-
- crypt->ops->set_flags(flags, crypt->priv);
-
- break;
-
- case IPW2100_PARAM_DROP_UNENCRYPTED:{
- /* See IW_AUTH_DROP_UNENCRYPTED handling for details */
- struct ieee80211_security sec = {
- .flags = SEC_ENABLED,
- .enabled = value,
- };
- priv->ieee->drop_unencrypted = value;
- /* We only change SEC_LEVEL for open mode. Others
- * are set by ipw_wpa_set_encryption.
- */
- if (!value) {
- sec.flags |= SEC_LEVEL;
- sec.level = SEC_LEVEL_0;
- } else {
- sec.flags |= SEC_LEVEL;
- sec.level = SEC_LEVEL_1;
- }
- if (priv->ieee->set_security)
- priv->ieee->set_security(priv->ieee->dev, &sec);
- break;
- }
-
- case IPW2100_PARAM_PRIVACY_INVOKED:
- priv->ieee->privacy_invoked = value;
- break;
-
- case IPW2100_PARAM_AUTH_ALGS:
- ret = ipw2100_wpa_set_auth_algs(priv, value);
- break;
-
- case IPW2100_PARAM_IEEE_802_1X:
- priv->ieee->ieee802_1x = value;
- break;
-
- default:
- printk(KERN_ERR DRV_NAME ": %s: Unknown WPA param: %d\n",
- dev->name, name);
- ret = -EOPNOTSUPP;
- }
-
- return ret;
-}
-
-static int ipw2100_wpa_mlme(struct net_device *dev, int command, int reason)
-{
-
- struct ipw2100_priv *priv = ieee80211_priv(dev);
- int ret = 0;
-
- switch (command) {
- case IPW2100_MLME_STA_DEAUTH:
- // silently ignore
- break;
-
- case IPW2100_MLME_STA_DISASSOC:
- ipw2100_disassociate_bssid(priv);
- break;
-
- default:
- printk(KERN_ERR DRV_NAME ": %s: Unknown MLME request: %d\n",
- dev->name, command);
- ret = -EOPNOTSUPP;
- }
-
- return ret;
-}
-
-static int ipw2100_wpa_set_wpa_ie(struct net_device *dev,
- struct ipw2100_param *param, int plen)
-{
-
- struct ipw2100_priv *priv = ieee80211_priv(dev);
- struct ieee80211_device *ieee = priv->ieee;
- u8 *buf;
-
- if (!ieee->wpa_enabled)
- return -EOPNOTSUPP;
-
- if (param->u.wpa_ie.len > MAX_WPA_IE_LEN ||
- (param->u.wpa_ie.len && param->u.wpa_ie.data == NULL))
- return -EINVAL;
-
- if (param->u.wpa_ie.len) {
- buf = kmalloc(param->u.wpa_ie.len, GFP_KERNEL);
- if (buf == NULL)
- return -ENOMEM;
-
- memcpy(buf, param->u.wpa_ie.data, param->u.wpa_ie.len);
-
- kfree(ieee->wpa_ie);
- ieee->wpa_ie = buf;
- ieee->wpa_ie_len = param->u.wpa_ie.len;
-
- } else {
- kfree(ieee->wpa_ie);
- ieee->wpa_ie = NULL;
- ieee->wpa_ie_len = 0;
- }
-
- ipw2100_wpa_assoc_frame(priv, ieee->wpa_ie, ieee->wpa_ie_len);
-
- return 0;
-}
-
-/* implementation borrowed from hostap driver */
-
-static int ipw2100_wpa_set_encryption(struct net_device *dev,
- struct ipw2100_param *param,
- int param_len)
-{
- int ret = 0;
- struct ipw2100_priv *priv = ieee80211_priv(dev);
- struct ieee80211_device *ieee = priv->ieee;
- struct ieee80211_crypto_ops *ops;
- struct ieee80211_crypt_data **crypt;
-
- struct ieee80211_security sec = {
- .flags = 0,
- };
-
- param->u.crypt.err = 0;
- param->u.crypt.alg[IPW2100_CRYPT_ALG_NAME_LEN - 1] = '\0';
-
- if (param_len !=
- (int)((char *)param->u.crypt.key - (char *)param) +
- param->u.crypt.key_len) {
- IPW_DEBUG_INFO("Len mismatch %d, %d\n", param_len,
- param->u.crypt.key_len);
- return -EINVAL;
- }
- if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
- param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
- param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
- if (param->u.crypt.idx >= WEP_KEYS)
- return -EINVAL;
- crypt = &ieee->crypt[param->u.crypt.idx];
- } else {
- return -EINVAL;
- }
-
- sec.flags |= SEC_ENABLED | SEC_ENCRYPT;
- if (strcmp(param->u.crypt.alg, "none") == 0) {
- if (crypt) {
- sec.enabled = 0;
- sec.encrypt = 0;
- sec.level = SEC_LEVEL_0;
- sec.flags |= SEC_LEVEL;
- ieee80211_crypt_delayed_deinit(ieee, crypt);
- }
- goto done;
- }
- sec.enabled = 1;
- sec.encrypt = 1;
-
- ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
- if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) {
- request_module("ieee80211_crypt_wep");
- ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
- } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) {
- request_module("ieee80211_crypt_tkip");
- ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
- } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) {
- request_module("ieee80211_crypt_ccmp");
- ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
- }
- if (ops == NULL) {
- IPW_DEBUG_INFO("%s: unknown crypto alg '%s'\n",
- dev->name, param->u.crypt.alg);
- param->u.crypt.err = IPW2100_CRYPT_ERR_UNKNOWN_ALG;
- ret = -EINVAL;
- goto done;
- }
-
- if (*crypt == NULL || (*crypt)->ops != ops) {
- struct ieee80211_crypt_data *new_crypt;
-
- ieee80211_crypt_delayed_deinit(ieee, crypt);
-
- new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data), GFP_KERNEL);
- if (new_crypt == NULL) {
- ret = -ENOMEM;
- goto done;
- }
- new_crypt->ops = ops;
- if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
- new_crypt->priv =
- new_crypt->ops->init(param->u.crypt.idx);
-
- if (new_crypt->priv == NULL) {
- kfree(new_crypt);
- param->u.crypt.err =
- IPW2100_CRYPT_ERR_CRYPT_INIT_FAILED;
- ret = -EINVAL;
- goto done;
- }
-
- *crypt = new_crypt;
- }
-
- if (param->u.crypt.key_len > 0 && (*crypt)->ops->set_key &&
- (*crypt)->ops->set_key(param->u.crypt.key,
- param->u.crypt.key_len, param->u.crypt.seq,
- (*crypt)->priv) < 0) {
- IPW_DEBUG_INFO("%s: key setting failed\n", dev->name);
- param->u.crypt.err = IPW2100_CRYPT_ERR_KEY_SET_FAILED;
- ret = -EINVAL;
- goto done;
- }
-
- if (param->u.crypt.set_tx) {
- ieee->tx_keyidx = param->u.crypt.idx;
- sec.active_key = param->u.crypt.idx;
- sec.flags |= SEC_ACTIVE_KEY;
- }
-
- if (ops->name != NULL) {
-
- if (strcmp(ops->name, "WEP") == 0) {
- memcpy(sec.keys[param->u.crypt.idx],
- param->u.crypt.key, param->u.crypt.key_len);
- sec.key_sizes[param->u.crypt.idx] =
- param->u.crypt.key_len;
- sec.flags |= (1 << param->u.crypt.idx);
- sec.flags |= SEC_LEVEL;
- sec.level = SEC_LEVEL_1;
- } else if (strcmp(ops->name, "TKIP") == 0) {
- sec.flags |= SEC_LEVEL;
- sec.level = SEC_LEVEL_2;
- } else if (strcmp(ops->name, "CCMP") == 0) {
- sec.flags |= SEC_LEVEL;
- sec.level = SEC_LEVEL_3;
- }
- }
- done:
- if (ieee->set_security)
- ieee->set_security(ieee->dev, &sec);
-
- /* Do not reset port if card is in Managed mode since resetting will
- * generate new IEEE 802.11 authentication which may end up in looping
- * with IEEE 802.1X. If your hardware requires a reset after WEP
- * configuration (for example... Prism2), implement the reset_port in
- * the callbacks structures used to initialize the 802.11 stack. */
- if (ieee->reset_on_keychange &&
- ieee->iw_mode != IW_MODE_INFRA &&
- ieee->reset_port && ieee->reset_port(dev)) {
- IPW_DEBUG_INFO("%s: reset_port failed\n", dev->name);
- param->u.crypt.err = IPW2100_CRYPT_ERR_CARD_CONF_FAILED;
- return -EINVAL;
- }
-
- return ret;
-}
-
-static int ipw2100_wpa_supplicant(struct net_device *dev, struct iw_point *p)
-{
-
- struct ipw2100_param *param;
- int ret = 0;
-
- IPW_DEBUG_IOCTL("wpa_supplicant: len=%d\n", p->length);
-
- if (p->length < sizeof(struct ipw2100_param) || !p->pointer)
- return -EINVAL;
-
- param = (struct ipw2100_param *)kmalloc(p->length, GFP_KERNEL);
- if (param == NULL)
- return -ENOMEM;
-
- if (copy_from_user(param, p->pointer, p->length)) {
- kfree(param);
- return -EFAULT;
- }
-
- switch (param->cmd) {
-
- case IPW2100_CMD_SET_WPA_PARAM:
- ret = ipw2100_wpa_set_param(dev, param->u.wpa_param.name,
- param->u.wpa_param.value);
- break;
-
- case IPW2100_CMD_SET_WPA_IE:
- ret = ipw2100_wpa_set_wpa_ie(dev, param, p->length);
- break;
-
- case IPW2100_CMD_SET_ENCRYPTION:
- ret = ipw2100_wpa_set_encryption(dev, param, p->length);
- break;
-
- case IPW2100_CMD_MLME:
- ret = ipw2100_wpa_mlme(dev, param->u.mlme.command,
- param->u.mlme.reason_code);
- break;
-
- default:
- printk(KERN_ERR DRV_NAME
- ": %s: Unknown WPA supplicant request: %d\n", dev->name,
- param->cmd);
- ret = -EOPNOTSUPP;
-
- }
-
- if (ret == 0 && copy_to_user(p->pointer, param, p->length))
- ret = -EFAULT;
-
- kfree(param);
- return ret;
-}
-
-static int ipw2100_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
-{
- struct iwreq *wrq = (struct iwreq *)rq;
- int ret = -1;
- switch (cmd) {
- case IPW2100_IOCTL_WPA_SUPPLICANT:
- ret = ipw2100_wpa_supplicant(dev, &wrq->u.data);
- return ret;
-
- default:
- return -EOPNOTSUPP;
- }
-
- return -EOPNOTSUPP;
-}
-#endif /* WIRELESS_EXT < 18 */
-
static void ipw_ethtool_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
@@ -6337,9 +5914,6 @@
dev->open = ipw2100_open;
dev->stop = ipw2100_close;
dev->init = ipw2100_net_init;
-#if WIRELESS_EXT < 18
- dev->do_ioctl = ipw2100_ioctl;
-#endif
dev->get_stats = ipw2100_stats;
dev->ethtool_ops = &ipw2100_ethtool_ops;
dev->tx_timeout = ipw2100_tx_timeout;
@@ -7852,7 +7426,6 @@
return 0;
}

-#if WIRELESS_EXT > 17
/*
* WE-18 WPA support
*/
@@ -8114,7 +7687,6 @@
}
return 0;
}
-#endif /* WIRELESS_EXT > 17 */

/*
*
@@ -8347,11 +7919,7 @@
NULL, /* SIOCWIWTHRSPY */
ipw2100_wx_set_wap, /* SIOCSIWAP */
ipw2100_wx_get_wap, /* SIOCGIWAP */
-#if WIRELESS_EXT > 17
ipw2100_wx_set_mlme, /* SIOCSIWMLME */
-#else
- NULL, /* -- hole -- */
-#endif
NULL, /* SIOCGIWAPLIST -- deprecated */
ipw2100_wx_set_scan, /* SIOCSIWSCAN */
ipw2100_wx_get_scan, /* SIOCGIWSCAN */
@@ -8375,7 +7943,6 @@
ipw2100_wx_get_encode, /* SIOCGIWENCODE */
ipw2100_wx_set_power, /* SIOCSIWPOWER */
ipw2100_wx_get_power, /* SIOCGIWPOWER */
-#if WIRELESS_EXT > 17
NULL, /* -- hole -- */
NULL, /* -- hole -- */
ipw2100_wx_set_genie, /* SIOCSIWGENIE */
@@ -8385,7 +7952,6 @@
ipw2100_wx_set_encodeext, /* SIOCSIWENCODEEXT */
ipw2100_wx_get_encodeext, /* SIOCGIWENCODEEXT */
NULL, /* SIOCSIWPMKSA */
-#endif
};

#define IPW2100_PRIV_SET_MONITOR SIOCIWFIRSTPRIV

-
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