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Diffstat (limited to 'net/mac80211/mlme.c')
-rw-r--r--net/mac80211/mlme.c88
1 files changed, 69 insertions, 19 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 3f7f92a2f227..adbc1c804dd3 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -578,7 +578,7 @@ void ieee80211_sta_tx(struct net_device *dev, struct sk_buff *skb,
int encrypt)
{
struct ieee80211_sub_if_data *sdata;
- struct ieee80211_tx_packet_data *pkt_data;
+ struct ieee80211_tx_info *info;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
skb->dev = sdata->local->mdev;
@@ -586,11 +586,11 @@ void ieee80211_sta_tx(struct net_device *dev, struct sk_buff *skb,
skb_set_network_header(skb, 0);
skb_set_transport_header(skb, 0);
- pkt_data = (struct ieee80211_tx_packet_data *) skb->cb;
- memset(pkt_data, 0, sizeof(struct ieee80211_tx_packet_data));
- pkt_data->ifindex = sdata->dev->ifindex;
+ info = IEEE80211_SKB_CB(skb);
+ memset(info, 0, sizeof(struct ieee80211_tx_info));
+ info->control.ifindex = sdata->dev->ifindex;
if (!encrypt)
- pkt_data->flags |= IEEE80211_TXPD_DO_NOT_ENCRYPT;
+ info->flags |= IEEE80211_TX_CTL_DO_NOT_ENCRYPT;
dev_queue_xmit(skb);
}
@@ -815,8 +815,29 @@ static void ieee80211_send_assoc(struct net_device *dev,
/* wmm support is a must to HT */
if (wmm && (ifsta->flags & IEEE80211_STA_WMM_ENABLED) &&
- sband->ht_info.ht_supported) {
- __le16 tmp = cpu_to_le16(sband->ht_info.cap);
+ sband->ht_info.ht_supported && bss->ht_add_ie) {
+ struct ieee80211_ht_addt_info *ht_add_info =
+ (struct ieee80211_ht_addt_info *)bss->ht_add_ie;
+ u16 cap = sband->ht_info.cap;
+ __le16 tmp;
+ u32 flags = local->hw.conf.channel->flags;
+
+ switch (ht_add_info->ht_param & IEEE80211_HT_IE_CHA_SEC_OFFSET) {
+ case IEEE80211_HT_IE_CHA_SEC_ABOVE:
+ if (flags & IEEE80211_CHAN_NO_FAT_ABOVE) {
+ cap &= ~IEEE80211_HT_CAP_SUP_WIDTH;
+ cap &= ~IEEE80211_HT_CAP_SGI_40;
+ }
+ break;
+ case IEEE80211_HT_IE_CHA_SEC_BELOW:
+ if (flags & IEEE80211_CHAN_NO_FAT_BELOW) {
+ cap &= ~IEEE80211_HT_CAP_SUP_WIDTH;
+ cap &= ~IEEE80211_HT_CAP_SGI_40;
+ }
+ break;
+ }
+
+ tmp = cpu_to_le16(cap);
pos = skb_put(skb, sizeof(struct ieee80211_ht_cap)+2);
*pos++ = WLAN_EID_HT_CAPABILITY;
*pos++ = sizeof(struct ieee80211_ht_cap);
@@ -2271,6 +2292,7 @@ static void ieee80211_rx_bss_free(struct ieee80211_sta_bss *bss)
kfree(bss->rsn_ie);
kfree(bss->wmm_ie);
kfree(bss->ht_ie);
+ kfree(bss->ht_add_ie);
kfree(bss_mesh_id(bss));
kfree(bss_mesh_cfg(bss));
kfree(bss);
@@ -2321,7 +2343,7 @@ static int ieee80211_sta_join_ibss(struct net_device *dev,
int res, rates, i, j;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
- struct ieee80211_tx_control control;
+ struct ieee80211_tx_info *control;
struct rate_selection ratesel;
u8 *pos;
struct ieee80211_sub_if_data *sdata;
@@ -2411,21 +2433,22 @@ static int ieee80211_sta_join_ibss(struct net_device *dev,
memcpy(pos, &bss->supp_rates[8], rates);
}
- memset(&control, 0, sizeof(control));
+ control = IEEE80211_SKB_CB(skb);
+
rate_control_get_rate(dev, sband, skb, &ratesel);
- if (!ratesel.rate) {
+ if (ratesel.rate_idx < 0) {
printk(KERN_DEBUG "%s: Failed to determine TX rate "
"for IBSS beacon\n", dev->name);
break;
}
- control.vif = &sdata->vif;
- control.tx_rate = ratesel.rate;
+ control->control.vif = &sdata->vif;
+ control->tx_rate_idx = ratesel.rate_idx;
if (sdata->bss_conf.use_short_preamble &&
- ratesel.rate->flags & IEEE80211_RATE_SHORT_PREAMBLE)
- control.flags |= IEEE80211_TXCTL_SHORT_PREAMBLE;
- control.antenna_sel_tx = local->hw.conf.antenna_sel_tx;
- control.flags |= IEEE80211_TXCTL_NO_ACK;
- control.retry_limit = 1;
+ sband->bitrates[ratesel.rate_idx].flags & IEEE80211_RATE_SHORT_PREAMBLE)
+ control->flags |= IEEE80211_TX_CTL_SHORT_PREAMBLE;
+ control->antenna_sel_tx = local->hw.conf.antenna_sel_tx;
+ control->flags |= IEEE80211_TX_CTL_NO_ACK;
+ control->control.retry_limit = 1;
ifsta->probe_resp = skb_copy(skb, GFP_ATOMIC);
if (ifsta->probe_resp) {
@@ -2440,8 +2463,7 @@ static int ieee80211_sta_join_ibss(struct net_device *dev,
}
if (local->ops->beacon_update &&
- local->ops->beacon_update(local_to_hw(local),
- skb, &control) == 0) {
+ local->ops->beacon_update(local_to_hw(local), skb) == 0) {
printk(KERN_DEBUG "%s: Configured IBSS beacon "
"template\n", dev->name);
skb = NULL;
@@ -2647,6 +2669,26 @@ static void ieee80211_rx_bss_info(struct net_device *dev,
bss->ht_ie_len = 0;
}
+ if (elems.ht_info_elem &&
+ (!bss->ht_add_ie ||
+ bss->ht_add_ie_len != elems.ht_info_elem_len ||
+ memcmp(bss->ht_add_ie, elems.ht_info_elem,
+ elems.ht_info_elem_len))) {
+ kfree(bss->ht_add_ie);
+ bss->ht_add_ie =
+ kmalloc(elems.ht_info_elem_len + 2, GFP_ATOMIC);
+ if (bss->ht_add_ie) {
+ memcpy(bss->ht_add_ie, elems.ht_info_elem - 2,
+ elems.ht_info_elem_len + 2);
+ bss->ht_add_ie_len = elems.ht_info_elem_len + 2;
+ } else
+ bss->ht_add_ie_len = 0;
+ } else if (!elems.ht_info_elem && bss->ht_add_ie) {
+ kfree(bss->ht_add_ie);
+ bss->ht_add_ie = NULL;
+ bss->ht_add_ie_len = 0;
+ }
+
bss->beacon_int = le16_to_cpu(mgmt->u.beacon.beacon_int);
bss->capability = le16_to_cpu(mgmt->u.beacon.capab_info);
@@ -4131,6 +4173,14 @@ ieee80211_sta_scan_result(struct net_device *dev,
bss->rsn_ie);
}
+ if (bss && bss->ht_ie) {
+ memset(&iwe, 0, sizeof(iwe));
+ iwe.cmd = IWEVGENIE;
+ iwe.u.data.length = bss->ht_ie_len;
+ current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
+ bss->ht_ie);
+ }
+
if (bss && bss->supp_rates_len > 0) {
/* display all supported rates in readable format */
char *p = current_ev + IW_EV_LCP_LEN;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-11 20:16:21 +0000