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-rw-r--r--include/linux/nl80211.h8
-rw-r--r--include/net/cfg80211.h26
-rw-r--r--net/mac80211/cfg.c86
-rw-r--r--net/mac80211/ieee80211_i.h15
-rw-r--r--net/mac80211/iface.c7
-rw-r--r--net/mac80211/mlme.c36
-rw-r--r--net/mac80211/util.c29
-rw-r--r--net/wireless/nl80211.c47
8 files changed, 14 insertions, 240 deletions
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index 9685eaa..cbe8ce3 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -142,6 +142,12 @@
* %NL80211_ATTR_IE. If the command succeeds, the requested data will be
* added to all specified management frames generated by
* kernel/firmware/driver.
+ * Note: This command has been removed and it is only reserved at this
+ * point to avoid re-using existing command number. The functionality this
+ * command was planned for has been provided with cleaner design with the
+ * option to specify additional IEs in NL80211_CMD_TRIGGER_SCAN,
+ * NL80211_CMD_AUTHENTICATE, NL80211_CMD_ASSOCIATE,
+ * NL80211_CMD_DEAUTHENTICATE, and NL80211_CMD_DISASSOCIATE.
*
* @NL80211_CMD_GET_SCAN: get scan results
* @NL80211_CMD_TRIGGER_SCAN: trigger a new scan with the given parameters
@@ -238,7 +244,7 @@ enum nl80211_commands {
NL80211_CMD_GET_MESH_PARAMS,
NL80211_CMD_SET_MESH_PARAMS,
- NL80211_CMD_SET_MGMT_EXTRA_IE,
+ NL80211_CMD_SET_MGMT_EXTRA_IE /* reserved; not used */,
NL80211_CMD_GET_REG,
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 0da9a55..dca4a6b 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -471,26 +471,6 @@ struct ieee80211_txq_params {
u8 aifs;
};
-/**
- * struct mgmt_extra_ie_params - Extra management frame IE parameters
- *
- * Used to add extra IE(s) into management frames. If the driver cannot add the
- * requested data into all management frames of the specified subtype that are
- * generated in kernel or firmware/hardware, it must reject the configuration
- * call. The IE data buffer is added to the end of the specified management
- * frame body after all other IEs. This addition is not applied to frames that
- * are injected through a monitor interface.
- *
- * @subtype: Management frame subtype
- * @ies: IE data buffer or %NULL to remove previous data
- * @ies_len: Length of @ies in octets
- */
-struct mgmt_extra_ie_params {
- u8 subtype;
- u8 *ies;
- int ies_len;
-};
-
/* from net/wireless.h */
struct wiphy;
@@ -743,8 +723,6 @@ struct cfg80211_disassoc_request {
*
* @set_channel: Set channel
*
- * @set_mgmt_extra_ie: Set extra IE data for management frames
- *
* @scan: Request to do a scan. If returning zero, the scan request is given
* the driver, and will be valid until passed to cfg80211_scan_done().
* For scan results, call cfg80211_inform_bss(); you can call this outside
@@ -828,10 +806,6 @@ struct cfg80211_ops {
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type);
- int (*set_mgmt_extra_ie)(struct wiphy *wiphy,
- struct net_device *dev,
- struct mgmt_extra_ie_params *params);
-
int (*scan)(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_scan_request *request);
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 223e536..f5c15c9 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1181,91 +1181,6 @@ static int ieee80211_set_channel(struct wiphy *wiphy,
return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
}
-static int set_mgmt_extra_ie_sta(struct ieee80211_sub_if_data *sdata,
- u8 subtype, u8 *ies, size_t ies_len)
-{
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
-
- switch (subtype) {
- case IEEE80211_STYPE_PROBE_REQ >> 4:
- if (local->ops->hw_scan)
- break;
- kfree(ifmgd->ie_probereq);
- ifmgd->ie_probereq = ies;
- ifmgd->ie_probereq_len = ies_len;
- return 0;
- case IEEE80211_STYPE_PROBE_RESP >> 4:
- kfree(ifmgd->ie_proberesp);
- ifmgd->ie_proberesp = ies;
- ifmgd->ie_proberesp_len = ies_len;
- return 0;
- case IEEE80211_STYPE_AUTH >> 4:
- kfree(ifmgd->ie_auth);
- ifmgd->ie_auth = ies;
- ifmgd->ie_auth_len = ies_len;
- return 0;
- case IEEE80211_STYPE_ASSOC_REQ >> 4:
- kfree(ifmgd->ie_assocreq);
- ifmgd->ie_assocreq = ies;
- ifmgd->ie_assocreq_len = ies_len;
- return 0;
- case IEEE80211_STYPE_REASSOC_REQ >> 4:
- kfree(ifmgd->ie_reassocreq);
- ifmgd->ie_reassocreq = ies;
- ifmgd->ie_reassocreq_len = ies_len;
- return 0;
- case IEEE80211_STYPE_DEAUTH >> 4:
- kfree(ifmgd->ie_deauth);
- ifmgd->ie_deauth = ies;
- ifmgd->ie_deauth_len = ies_len;
- return 0;
- case IEEE80211_STYPE_DISASSOC >> 4:
- kfree(ifmgd->ie_disassoc);
- ifmgd->ie_disassoc = ies;
- ifmgd->ie_disassoc_len = ies_len;
- return 0;
- }
-
- return -EOPNOTSUPP;
-}
-
-static int ieee80211_set_mgmt_extra_ie(struct wiphy *wiphy,
- struct net_device *dev,
- struct mgmt_extra_ie_params *params)
-{
- struct ieee80211_sub_if_data *sdata;
- u8 *ies;
- size_t ies_len;
- int ret = -EOPNOTSUPP;
-
- if (params->ies) {
- ies = kmemdup(params->ies, params->ies_len, GFP_KERNEL);
- if (ies == NULL)
- return -ENOMEM;
- ies_len = params->ies_len;
- } else {
- ies = NULL;
- ies_len = 0;
- }
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- switch (sdata->vif.type) {
- case NL80211_IFTYPE_STATION:
- ret = set_mgmt_extra_ie_sta(sdata, params->subtype,
- ies, ies_len);
- break;
- default:
- ret = -EOPNOTSUPP;
- break;
- }
-
- if (ret)
- kfree(ies);
- return ret;
-}
-
#ifdef CONFIG_PM
static int ieee80211_suspend(struct wiphy *wiphy)
{
@@ -1465,7 +1380,6 @@ struct cfg80211_ops mac80211_config_ops = {
.change_bss = ieee80211_change_bss,
.set_txq_params = ieee80211_set_txq_params,
.set_channel = ieee80211_set_channel,
- .set_mgmt_extra_ie = ieee80211_set_mgmt_extra_ie,
.suspend = ieee80211_suspend,
.resume = ieee80211_resume,
.scan = ieee80211_scan,
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 547cfac..f69e84a 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -323,21 +323,6 @@ struct ieee80211_if_managed {
int wmm_last_param_set;
/* Extra IE data for management frames */
- u8 *ie_probereq;
- size_t ie_probereq_len;
- u8 *ie_proberesp;
- size_t ie_proberesp_len;
- u8 *ie_auth;
- size_t ie_auth_len;
- u8 *ie_assocreq;
- size_t ie_assocreq_len;
- u8 *ie_reassocreq;
- size_t ie_reassocreq_len;
- u8 *ie_deauth;
- size_t ie_deauth_len;
- u8 *ie_disassoc;
- size_t ie_disassoc_len;
-
u8 *sme_auth_ie;
size_t sme_auth_ie_len;
};
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 6b56dc2..34f4798 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -653,13 +653,6 @@ static void ieee80211_teardown_sdata(struct net_device *dev)
kfree(sdata->u.mgd.extra_ie);
kfree(sdata->u.mgd.assocreq_ies);
kfree(sdata->u.mgd.assocresp_ies);
- kfree(sdata->u.mgd.ie_probereq);
- kfree(sdata->u.mgd.ie_proberesp);
- kfree(sdata->u.mgd.ie_auth);
- kfree(sdata->u.mgd.ie_assocreq);
- kfree(sdata->u.mgd.ie_reassocreq);
- kfree(sdata->u.mgd.ie_deauth);
- kfree(sdata->u.mgd.ie_disassoc);
kfree(sdata->u.mgd.sme_auth_ie);
break;
case NL80211_IFTYPE_WDS:
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index d1bcc84..b0808ef 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -82,38 +82,23 @@ static int ieee80211_compatible_rates(struct ieee80211_bss *bss,
/* frame sending functions */
-static void add_extra_ies(struct sk_buff *skb, u8 *ies, size_t ies_len)
-{
- if (ies)
- memcpy(skb_put(skb, ies_len), ies, ies_len);
-}
-
static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
- u8 *pos, *ies, *ht_ie, *e_ies;
+ u8 *pos, *ies, *ht_ie;
int i, len, count, rates_len, supp_rates_len;
u16 capab;
struct ieee80211_bss *bss;
int wmm = 0;
struct ieee80211_supported_band *sband;
u32 rates = 0;
- size_t e_ies_len;
-
- if (ifmgd->flags & IEEE80211_STA_PREV_BSSID_SET) {
- e_ies = sdata->u.mgd.ie_reassocreq;
- e_ies_len = sdata->u.mgd.ie_reassocreq_len;
- } else {
- e_ies = sdata->u.mgd.ie_assocreq;
- e_ies_len = sdata->u.mgd.ie_assocreq_len;
- }
skb = dev_alloc_skb(local->hw.extra_tx_headroom +
sizeof(*mgmt) + 200 + ifmgd->extra_ie_len +
- ifmgd->ssid_len + e_ies_len);
+ ifmgd->ssid_len);
if (!skb) {
printk(KERN_DEBUG "%s: failed to allocate buffer for assoc "
"frame\n", sdata->dev->name);
@@ -304,8 +289,6 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs));
}
- add_extra_ies(skb, e_ies, e_ies_len);
-
kfree(ifmgd->assocreq_ies);
ifmgd->assocreq_ies_len = (skb->data + skb->len) - ies;
ifmgd->assocreq_ies = kmalloc(ifmgd->assocreq_ies_len, GFP_KERNEL);
@@ -323,19 +306,8 @@ static void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
- u8 *ies;
- size_t ies_len;
- if (stype == IEEE80211_STYPE_DEAUTH) {
- ies = sdata->u.mgd.ie_deauth;
- ies_len = sdata->u.mgd.ie_deauth_len;
- } else {
- ies = sdata->u.mgd.ie_disassoc;
- ies_len = sdata->u.mgd.ie_disassoc_len;
- }
-
- skb = dev_alloc_skb(local->hw.extra_tx_headroom + sizeof(*mgmt) +
- ies_len);
+ skb = dev_alloc_skb(local->hw.extra_tx_headroom + sizeof(*mgmt));
if (!skb) {
printk(KERN_DEBUG "%s: failed to allocate buffer for "
"deauth/disassoc frame\n", sdata->dev->name);
@@ -353,8 +325,6 @@ static void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
/* u.deauth.reason_code == u.disassoc.reason_code */
mgmt->u.deauth.reason_code = cpu_to_le16(reason);
- add_extra_ies(skb, ies, ies_len);
-
ieee80211_tx_skb(sdata, skb, ifmgd->flags & IEEE80211_STA_MFP_ENABLED);
}
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index e0431a1..444bb14 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -846,16 +846,9 @@ void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
- const u8 *ie_auth = NULL;
- int ie_auth_len = 0;
-
- if (sdata->vif.type == NL80211_IFTYPE_STATION) {
- ie_auth_len = sdata->u.mgd.ie_auth_len;
- ie_auth = sdata->u.mgd.ie_auth;
- }
skb = dev_alloc_skb(local->hw.extra_tx_headroom +
- sizeof(*mgmt) + 6 + extra_len + ie_auth_len);
+ sizeof(*mgmt) + 6 + extra_len);
if (!skb) {
printk(KERN_DEBUG "%s: failed to allocate buffer for auth "
"frame\n", sdata->dev->name);
@@ -877,8 +870,6 @@ void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
mgmt->u.auth.status_code = cpu_to_le16(0);
if (extra)
memcpy(skb_put(skb, extra_len), extra, extra_len);
- if (ie_auth)
- memcpy(skb_put(skb, ie_auth_len), ie_auth, ie_auth_len);
ieee80211_tx_skb(sdata, skb, encrypt);
}
@@ -891,20 +882,11 @@ void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
struct ieee80211_supported_band *sband;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
- u8 *pos, *supp_rates, *esupp_rates = NULL, *extra_preq_ie = NULL;
- int i, extra_preq_ie_len = 0;
-
- switch (sdata->vif.type) {
- case NL80211_IFTYPE_STATION:
- extra_preq_ie_len = sdata->u.mgd.ie_probereq_len;
- extra_preq_ie = sdata->u.mgd.ie_probereq;
- break;
- default:
- break;
- }
+ u8 *pos, *supp_rates, *esupp_rates = NULL;
+ int i;
skb = dev_alloc_skb(local->hw.extra_tx_headroom + sizeof(*mgmt) + 200 +
- ie_len + extra_preq_ie_len);
+ ie_len);
if (!skb) {
printk(KERN_DEBUG "%s: failed to allocate buffer for probe "
"request\n", sdata->dev->name);
@@ -953,9 +935,6 @@ void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
if (ie)
memcpy(skb_put(skb, ie_len), ie, ie_len);
- if (extra_preq_ie)
- memcpy(skb_put(skb, extra_preq_ie_len), extra_preq_ie,
- extra_preq_ie_len);
ieee80211_tx_skb(sdata, skb, 0);
}
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 9e1318d..44c7997 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -269,7 +269,6 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
CMD(add_mpath, NEW_MPATH);
CMD(set_mesh_params, SET_MESH_PARAMS);
CMD(change_bss, SET_BSS);
- CMD(set_mgmt_extra_ie, SET_MGMT_EXTRA_IE);
CMD(auth, AUTHENTICATE);
CMD(assoc, ASSOCIATE);
CMD(deauth, DEAUTHENTICATE);
@@ -2355,46 +2354,6 @@ static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
return -EINVAL;
}
-static int nl80211_set_mgmt_extra_ie(struct sk_buff *skb,
- struct genl_info *info)
-{
- struct cfg80211_registered_device *drv;
- int err;
- struct net_device *dev;
- struct mgmt_extra_ie_params params;
-
- memset(&params, 0, sizeof(params));
-
- if (!info->attrs[NL80211_ATTR_MGMT_SUBTYPE])
- return -EINVAL;
- params.subtype = nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
- if (params.subtype > 15)
- return -EINVAL; /* FC Subtype field is 4 bits (0..15) */
-
- if (info->attrs[NL80211_ATTR_IE]) {
- params.ies = nla_data(info->attrs[NL80211_ATTR_IE]);
- params.ies_len = nla_len(info->attrs[NL80211_ATTR_IE]);
- }
-
- rtnl_lock();
-
- err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
- if (err)
- goto out_rtnl;
-
- if (drv->ops->set_mgmt_extra_ie)
- err = drv->ops->set_mgmt_extra_ie(&drv->wiphy, dev, &params);
- else
- err = -EOPNOTSUPP;
-
- cfg80211_put_dev(drv);
- dev_put(dev);
- out_rtnl:
- rtnl_unlock();
-
- return err;
-}
-
static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *drv;
@@ -3044,12 +3003,6 @@ static struct genl_ops nl80211_ops[] = {
.flags = GENL_ADMIN_PERM,
},
{
- .cmd = NL80211_CMD_SET_MGMT_EXTRA_IE,
- .doit = nl80211_set_mgmt_extra_ie,
- .policy = nl80211_policy,
- .flags = GENL_ADMIN_PERM,
- },
- {
.cmd = NL80211_CMD_TRIGGER_SCAN,
.doit = nl80211_trigger_scan,
.policy = nl80211_policy,
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