diff options
Diffstat (limited to 'net/mac80211/util.c')
| -rw-r--r-- | net/mac80211/util.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c index bfd19d76667a..aba025d748e9 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -895,7 +895,8 @@ void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, const u8 *ie, size_t ie_len, - enum ieee80211_band band, u32 rate_mask) + enum ieee80211_band band, u32 rate_mask, + u8 channel) { struct ieee80211_supported_band *sband; u8 *pos; @@ -947,6 +948,12 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, pos += ext_rates_len; } + if (channel && sband->band == IEEE80211_BAND_2GHZ) { + *pos++ = WLAN_EID_DS_PARAMS; + *pos++ = 1; + *pos++ = channel; + } + /* insert custom IEs that go before HT */ if (ie && ie_len) { static const u8 before_ht[] = { @@ -1013,6 +1020,7 @@ void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, struct ieee80211_mgmt *mgmt; size_t buf_len; u8 *buf; + u8 chan; /* FIXME: come up with a proper value */ buf = kmalloc(200 + ie_len, GFP_KERNEL); @@ -1022,10 +1030,14 @@ void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, return; } + chan = ieee80211_frequency_to_channel( + local->hw.conf.channel->center_freq); + buf_len = ieee80211_build_preq_ies(local, buf, ie, ie_len, local->hw.conf.channel->band, sdata->rc_rateidx_mask - [local->hw.conf.channel->band]); + [local->hw.conf.channel->band], + chan); skb = ieee80211_probereq_get(&local->hw, &sdata->vif, ssid, ssid_len, |