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mac80211: remove SSID driver code

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Remove the SSID from the driver API since now there is no
driver that requires knowing the SSID and I think it's
unlikely that any hardware design that does require the
SSID will play well with mac80211.

This also removes support for setting the SSID in master
mode which will require a patch to hostapd to not try.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2008-10-29 01:09:37 +01:00 committed by John W. Linville
parent b23f99bcfa
commit 41bb73eeac
7 changed files with 4 additions and 69 deletions
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7
drivers/net/wireless/iwlwifi/iwl-agn.c
View File

@ -2957,13 +2957,6 @@ static int iwl4965_mac_config_interface(struct ieee80211_hw *hw,
return rc;
}
if ((priv->iw_mode == NL80211_IFTYPE_AP) &&
(!conf->ssid_len)) {
IWL_DEBUG_MAC80211
("Leaving in AP mode because HostAPD is not ready.\n");
return 0;
}
if (!iwl_is_alive(priv))
return -EAGAIN;

7
drivers/net/wireless/iwlwifi/iwl3945-base.c
View File

@ -6743,13 +6743,6 @@ static int iwl3945_mac_config_interface(struct ieee80211_hw *hw,
/* XXX: this MUST use conf->mac_addr */
if ((priv->iw_mode == NL80211_IFTYPE_AP) &&
(!conf->ssid_len)) {
IWL_DEBUG_MAC80211
("Leaving in AP mode because HostAPD is not ready.\n");
return 0;
}
if (!iwl3945_is_alive(priv))
return -EAGAIN;

11
include/net/mac80211.h
View File

@ -616,14 +616,12 @@ struct ieee80211_if_init_conf {
* enum ieee80211_if_conf_change - interface config change flags
*
* @IEEE80211_IFCC_BSSID: The BSSID changed.
* @IEEE80211_IFCC_SSID: The SSID changed.
* @IEEE80211_IFCC_BEACON: The beacon for this interface changed
* (currently AP and MESH only), use ieee80211_beacon_get().
*/
enum ieee80211_if_conf_change {
IEEE80211_IFCC_BSSID = BIT(0),
IEEE80211_IFCC_SSID = BIT(1),
IEEE80211_IFCC_BEACON = BIT(2),
IEEE80211_IFCC_BEACON = BIT(1),
};
/**
@ -631,11 +629,6 @@ enum ieee80211_if_conf_change {
*
* @changed: parameters that have changed, see &enum ieee80211_if_conf_change.
* @bssid: BSSID of the network we are associated to/creating.
* @ssid: used (together with @ssid_len) by drivers for hardware that
* generate beacons independently. The pointer is valid only during the
* config_interface() call, so copy the value somewhere if you need
* it.
* @ssid_len: length of the @ssid field.
*
* This structure is passed to the config_interface() callback of
* &struct ieee80211_hw.
@ -643,8 +636,6 @@ enum ieee80211_if_conf_change {
struct ieee80211_if_conf {
u32 changed;
u8 *bssid;
u8 *ssid;
size_t ssid_len;
};
/**

3
net/mac80211/ieee80211_i.h
View File

@ -212,9 +212,6 @@ struct ieee80211_if_ap {
struct list_head vlans;
u8 ssid[IEEE80211_MAX_SSID_LEN];
size_t ssid_len;
/* yes, this looks ugly, but guarantees that we can later use
* bitmap_empty :)
* NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */

15
net/mac80211/main.c
View File

@ -171,19 +171,13 @@ int ieee80211_if_config(struct ieee80211_sub_if_data *sdata, u32 changed)
conf.changed = changed;
if (sdata->vif.type == NL80211_IFTYPE_STATION ||
sdata->vif.type == NL80211_IFTYPE_ADHOC) {
sdata->vif.type == NL80211_IFTYPE_ADHOC)
conf.bssid = sdata->u.sta.bssid;
conf.ssid = sdata->u.sta.ssid;
conf.ssid_len = sdata->u.sta.ssid_len;
} else if (sdata->vif.type == NL80211_IFTYPE_AP) {
else if (sdata->vif.type == NL80211_IFTYPE_AP)
conf.bssid = sdata->dev->dev_addr;
conf.ssid = sdata->u.ap.ssid;
conf.ssid_len = sdata->u.ap.ssid_len;
} else if (ieee80211_vif_is_mesh(&sdata->vif)) {
else if (ieee80211_vif_is_mesh(&sdata->vif)) {
u8 zero[ETH_ALEN] = { 0 };
conf.bssid = zero;
conf.ssid = zero;
conf.ssid_len = 0;
} else {
WARN_ON(1);
return -EINVAL;
@ -192,9 +186,6 @@ int ieee80211_if_config(struct ieee80211_sub_if_data *sdata, u32 changed)
if (WARN_ON(!conf.bssid && (changed & IEEE80211_IFCC_BSSID)))
return -EINVAL;
if (WARN_ON(!conf.ssid && (changed & IEEE80211_IFCC_SSID)))
return -EINVAL;
return local->ops->config_interface(local_to_hw(local),
&sdata->vif, &conf);
}

14
net/mac80211/mlme.c
View File

@ -2416,7 +2416,6 @@ void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata,
int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len)
{
struct ieee80211_if_sta *ifsta;
int res;
if (len > IEEE80211_MAX_SSID_LEN)
return -EINVAL;
@ -2428,19 +2427,6 @@ int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size
memcpy(ifsta->ssid, ssid, len);
ifsta->ssid_len = len;
ifsta->flags &= ~IEEE80211_STA_PREV_BSSID_SET;
res = 0;
/*
* Hack! MLME code needs to be cleaned up to have different
* entry points for configuration and internal selection change
*/
if (netif_running(sdata->dev))
res = ieee80211_if_config(sdata, IEEE80211_IFCC_SSID);
if (res) {
printk(KERN_DEBUG "%s: Failed to config new SSID to "
"the low-level driver\n", sdata->dev->name);
return res;
}
}
if (len)

16
net/mac80211/wext.c
View File

@ -407,13 +407,6 @@ static int ieee80211_ioctl_siwessid(struct net_device *dev,
return 0;
}
if (sdata->vif.type == NL80211_IFTYPE_AP) {
memcpy(sdata->u.ap.ssid, ssid, len);
memset(sdata->u.ap.ssid + len, 0,
IEEE80211_MAX_SSID_LEN - len);
sdata->u.ap.ssid_len = len;
return ieee80211_if_config(sdata, IEEE80211_IFCC_SSID);
}
return -EOPNOTSUPP;
}
@ -437,15 +430,6 @@ static int ieee80211_ioctl_giwessid(struct net_device *dev,
return res;
}
if (sdata->vif.type == NL80211_IFTYPE_AP) {
len = sdata->u.ap.ssid_len;
if (len > IW_ESSID_MAX_SIZE)
len = IW_ESSID_MAX_SIZE;
memcpy(ssid, sdata->u.ap.ssid, len);
data->length = len;
data->flags = 1;
return 0;
}
return -EOPNOTSUPP;
}