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Diffstat (limited to 'net/mac80211/util.c')
-rw-r--r--net/mac80211/util.c135
1 files changed, 103 insertions, 32 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index c3a22ab2ad2e..f32561ec224c 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -43,7 +43,7 @@ const unsigned char bridge_tunnel_header[] __aligned(2) =
u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len,
- enum ieee80211_if_types type)
+ enum nl80211_iftype type)
{
__le16 fc = hdr->frame_control;
@@ -77,10 +77,10 @@ u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len,
if (ieee80211_is_back_req(fc)) {
switch (type) {
- case IEEE80211_IF_TYPE_STA:
+ case NL80211_IFTYPE_STATION:
return hdr->addr2;
- case IEEE80211_IF_TYPE_AP:
- case IEEE80211_IF_TYPE_VLAN:
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_AP_VLAN:
return hdr->addr1;
default:
break; /* fall through to the return */
@@ -231,16 +231,21 @@ __le16 ieee80211_generic_frame_duration(struct ieee80211_hw *hw,
struct ieee80211_rate *rate)
{
struct ieee80211_local *local = hw_to_local(hw);
- struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+ struct ieee80211_sub_if_data *sdata;
u16 dur;
int erp;
+ bool short_preamble = false;
erp = 0;
- if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
- erp = rate->flags & IEEE80211_RATE_ERP_G;
+ if (vif) {
+ sdata = vif_to_sdata(vif);
+ short_preamble = sdata->bss_conf.use_short_preamble;
+ if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
+ erp = rate->flags & IEEE80211_RATE_ERP_G;
+ }
dur = ieee80211_frame_duration(local, frame_len, rate->bitrate, erp,
- sdata->bss_conf.use_short_preamble);
+ short_preamble);
return cpu_to_le16(dur);
}
@@ -252,7 +257,7 @@ __le16 ieee80211_rts_duration(struct ieee80211_hw *hw,
{
struct ieee80211_local *local = hw_to_local(hw);
struct ieee80211_rate *rate;
- struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+ struct ieee80211_sub_if_data *sdata;
bool short_preamble;
int erp;
u16 dur;
@@ -260,13 +265,17 @@ __le16 ieee80211_rts_duration(struct ieee80211_hw *hw,
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
- short_preamble = sdata->bss_conf.use_short_preamble;
+ short_preamble = false;
rate = &sband->bitrates[frame_txctl->control.rts_cts_rate_idx];
erp = 0;
- if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
- erp = rate->flags & IEEE80211_RATE_ERP_G;
+ if (vif) {
+ sdata = vif_to_sdata(vif);
+ short_preamble = sdata->bss_conf.use_short_preamble;
+ if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
+ erp = rate->flags & IEEE80211_RATE_ERP_G;
+ }
/* CTS duration */
dur = ieee80211_frame_duration(local, 10, rate->bitrate,
@@ -289,7 +298,7 @@ __le16 ieee80211_ctstoself_duration(struct ieee80211_hw *hw,
{
struct ieee80211_local *local = hw_to_local(hw);
struct ieee80211_rate *rate;
- struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+ struct ieee80211_sub_if_data *sdata;
bool short_preamble;
int erp;
u16 dur;
@@ -297,12 +306,16 @@ __le16 ieee80211_ctstoself_duration(struct ieee80211_hw *hw,
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
- short_preamble = sdata->bss_conf.use_short_preamble;
+ short_preamble = false;
rate = &sband->bitrates[frame_txctl->control.rts_cts_rate_idx];
erp = 0;
- if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
- erp = rate->flags & IEEE80211_RATE_ERP_G;
+ if (vif) {
+ sdata = vif_to_sdata(vif);
+ short_preamble = sdata->bss_conf.use_short_preamble;
+ if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
+ erp = rate->flags & IEEE80211_RATE_ERP_G;
+ }
/* Data frame duration */
dur = ieee80211_frame_duration(local, frame_len, rate->bitrate,
@@ -376,15 +389,16 @@ void ieee80211_iterate_active_interfaces(
list_for_each_entry(sdata, &local->interfaces, list) {
switch (sdata->vif.type) {
- case IEEE80211_IF_TYPE_INVALID:
- case IEEE80211_IF_TYPE_MNTR:
- case IEEE80211_IF_TYPE_VLAN:
+ case __NL80211_IFTYPE_AFTER_LAST:
+ case NL80211_IFTYPE_UNSPECIFIED:
+ case NL80211_IFTYPE_MONITOR:
+ case NL80211_IFTYPE_AP_VLAN:
continue;
- case IEEE80211_IF_TYPE_AP:
- case IEEE80211_IF_TYPE_STA:
- case IEEE80211_IF_TYPE_IBSS:
- case IEEE80211_IF_TYPE_WDS:
- case IEEE80211_IF_TYPE_MESH_POINT:
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_WDS:
+ case NL80211_IFTYPE_MESH_POINT:
break;
}
if (netif_running(sdata->dev))
@@ -409,15 +423,16 @@ void ieee80211_iterate_active_interfaces_atomic(
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
switch (sdata->vif.type) {
- case IEEE80211_IF_TYPE_INVALID:
- case IEEE80211_IF_TYPE_MNTR:
- case IEEE80211_IF_TYPE_VLAN:
+ case __NL80211_IFTYPE_AFTER_LAST:
+ case NL80211_IFTYPE_UNSPECIFIED:
+ case NL80211_IFTYPE_MONITOR:
+ case NL80211_IFTYPE_AP_VLAN:
continue;
- case IEEE80211_IF_TYPE_AP:
- case IEEE80211_IF_TYPE_STA:
- case IEEE80211_IF_TYPE_IBSS:
- case IEEE80211_IF_TYPE_WDS:
- case IEEE80211_IF_TYPE_MESH_POINT:
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_WDS:
+ case NL80211_IFTYPE_MESH_POINT:
break;
}
if (netif_running(sdata->dev))
@@ -612,3 +627,59 @@ void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
dev_queue_xmit(skb);
}
+
+int ieee80211_set_freq(struct ieee80211_sub_if_data *sdata, int freqMHz)
+{
+ int ret = -EINVAL;
+ struct ieee80211_channel *chan;
+ struct ieee80211_local *local = sdata->local;
+
+ chan = ieee80211_get_channel(local->hw.wiphy, freqMHz);
+
+ if (chan && !(chan->flags & IEEE80211_CHAN_DISABLED)) {
+ if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
+ chan->flags & IEEE80211_CHAN_NO_IBSS) {
+ printk(KERN_DEBUG "%s: IBSS not allowed on frequency "
+ "%d MHz\n", sdata->dev->name, chan->center_freq);
+ return ret;
+ }
+ local->oper_channel = chan;
+
+ if (local->sw_scanning || local->hw_scanning)
+ ret = 0;
+ else
+ ret = ieee80211_hw_config(local);
+
+ rate_control_clear(local);
+ }
+
+ return ret;
+}
+
+u64 ieee80211_mandatory_rates(struct ieee80211_local *local,
+ enum ieee80211_band band)
+{
+ struct ieee80211_supported_band *sband;
+ struct ieee80211_rate *bitrates;
+ u64 mandatory_rates;
+ enum ieee80211_rate_flags mandatory_flag;
+ int i;
+
+ sband = local->hw.wiphy->bands[band];
+ if (!sband) {
+ WARN_ON(1);
+ sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+ }
+
+ if (band == IEEE80211_BAND_2GHZ)
+ mandatory_flag = IEEE80211_RATE_MANDATORY_B;
+ else
+ mandatory_flag = IEEE80211_RATE_MANDATORY_A;
+
+ bitrates = sband->bitrates;
+ mandatory_rates = 0;
+ for (i = 0; i < sband->n_bitrates; i++)
+ if (bitrates[i].flags & mandatory_flag)
+ mandatory_rates |= BIT(i);
+ return mandatory_rates;
+}
generated by cgit v1.2.1 (git 2.18.0) at 2024-10-07 09:02:05 +0000