mac80211: implement scan supported rates

Scanning currently uses the TX rate mask to
restrict the rate set, which is bogus. Make
it use the new set of rates from userspace.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

5 files changed, 15 insertions, 15 deletions

diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 1b845bb49c4..eb9d4826f77 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1377,14 +1377,14 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
                              enum ieee80211_band band, u32 rate_mask,
                              u8 channel);
 struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
-                                          u8 *dst,
+                                          u8 *dst, u32 ratemask,
                                           const u8 *ssid, size_t ssid_len,
                                           const u8 *ie, size_t ie_len,
                                           bool directed);
 void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
                               const u8 *ssid, size_t ssid_len,
                               const u8 *ie, size_t ie_len,
-                              bool directed);
+                              u32 ratemask, bool directed);
 
 void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
                                   const size_t supp_rates_len,
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 71e20a7af30..fee706d39fc 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1220,7 +1220,7 @@ static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata)
         } else {
                 ssid = ieee80211_bss_get_ie(ifmgd->associated, WLAN_EID_SSID);
                 ieee80211_send_probe_req(sdata, dst, ssid + 2, ssid[1], NULL, 0,
-                                         true);
+                                         (u32) -1, true);
         }
 
         ifmgd->probe_send_count++;
@@ -1305,7 +1305,8 @@ struct sk_buff *ieee80211_ap_probereq_get(struct ieee80211_hw *hw,
 
         ssid = ieee80211_bss_get_ie(ifmgd->associated, WLAN_EID_SSID);
         skb = ieee80211_build_probe_req(sdata, ifmgd->associated->bssid,
-                                        ssid + 2, ssid[1], NULL, 0, true);
+                                        (u32) -1, ssid + 2, ssid[1],
+                                        NULL, 0, true);
 
         return skb;
 }
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 08a45ac3d6f..6f09eca0111 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -228,7 +228,6 @@ ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
 static bool ieee80211_prep_hw_scan(struct ieee80211_local *local)
 {
         struct cfg80211_scan_request *req = local->scan_req;
-        struct ieee80211_sub_if_data *sdata = local->scan_sdata;
         enum ieee80211_band band;
         int i, ielen, n_chans;
 
@@ -253,7 +252,7 @@ static bool ieee80211_prep_hw_scan(struct ieee80211_local *local)
 
         ielen = ieee80211_build_preq_ies(local, (u8 *)local->hw_scan_req->ie,
                                          req->ie, req->ie_len, band,
-                                         sdata->rc_rateidx_mask[band], 0);
+                                         req->rates[band], 0);
         local->hw_scan_req->ie_len = ielen;
 
         return true;
@@ -653,6 +652,7 @@ static void ieee80211_scan_state_send_probe(struct ieee80211_local *local,
 {
         int i;
         struct ieee80211_sub_if_data *sdata = local->scan_sdata;
+        enum ieee80211_band band = local->hw.conf.channel->band;
 
         for (i = 0; i < local->scan_req->n_ssids; i++)
                 ieee80211_send_probe_req(
@@ -660,7 +660,7 @@ static void ieee80211_scan_state_send_probe(struct ieee80211_local *local,
                         local->scan_req->ssids[i].ssid,
                         local->scan_req->ssids[i].ssid_len,
                         local->scan_req->ie, local->scan_req->ie_len,
-                        false);
+                        local->scan_req->rates[band], false);
 
         /*
          * After sending probe requests, wait for probe responses
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index ca440bce3de..ddeb1b99838 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1017,7 +1017,7 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
 }
 
 struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
-                                          u8 *dst,
+                                          u8 *dst, u32 ratemask,
                                           const u8 *ssid, size_t ssid_len,
                                           const u8 *ie, size_t ie_len,
                                           bool directed)
@@ -1050,9 +1050,7 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
 
         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],
-                                           chan);
+                                           ratemask, chan);
 
         skb = ieee80211_probereq_get(&local->hw, &sdata->vif,
                                      ssid, ssid_len,
@@ -1073,12 +1071,12 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
 void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
                               const u8 *ssid, size_t ssid_len,
                               const u8 *ie, size_t ie_len,
-                              bool directed)
+                              u32 ratemask, bool directed)
 {
         struct sk_buff *skb;
 
-        skb = ieee80211_build_probe_req(sdata, dst, ssid, ssid_len, ie, ie_len,
-                                        directed);
+        skb = ieee80211_build_probe_req(sdata, dst, ratemask, ssid, ssid_len,
+                                        ie, ie_len, directed);
         if (skb)
                 ieee80211_tx_skb(sdata, skb);
 }
diff --git a/net/mac80211/work.c b/net/mac80211/work.c
index edf8583280c..f0c74a1a9a0 100644
--- a/net/mac80211/work.c
+++ b/net/mac80211/work.c
@@ -450,7 +450,8 @@ ieee80211_direct_probe(struct ieee80211_work *wk)
          * will not answer to direct packet in unassociated state.
          */
         ieee80211_send_probe_req(sdata, NULL, wk->probe_auth.ssid,
-                                 wk->probe_auth.ssid_len, NULL, 0, true);
+                                 wk->probe_auth.ssid_len, NULL, 0,
+                                 (u32) -1, true);
 
         wk->timeout = jiffies + IEEE80211_AUTH_TIMEOUT;
         run_again(local, wk->timeout);