Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6

2 files changed, 56 insertions, 4 deletions

diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index f69ae19f497f..9f95354f859f 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -846,8 +846,9 @@ int cfg80211_mlme_action(struct cfg80211_registered_device *rdev,
                 if (!wdev->current_bss ||
                     memcmp(wdev->current_bss->pub.bssid, mgmt->bssid,
                            ETH_ALEN) != 0 ||
-                    memcmp(wdev->current_bss->pub.bssid, mgmt->da,
-                           ETH_ALEN) != 0)
+                    (wdev->iftype == NL80211_IFTYPE_STATION &&
+                     memcmp(wdev->current_bss->pub.bssid, mgmt->da,
+                            ETH_ALEN) != 0))
                         return -ENOTCONN;
         }
 
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 3a7b8a2f2d5a..6b41d15c4a05 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -3955,6 +3955,55 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
                 }
         }
 
+        if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
+                u8 *rates =
+                        nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
+                int n_rates =
+                        nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
+                struct ieee80211_supported_band *sband =
+                        wiphy->bands[ibss.channel->band];
+                int i, j;
+
+                if (n_rates == 0) {
+                        err = -EINVAL;
+                        goto out;
+                }
+
+                for (i = 0; i < n_rates; i++) {
+                        int rate = (rates[i] & 0x7f) * 5;
+                        bool found = false;
+
+                        for (j = 0; j < sband->n_bitrates; j++) {
+                                if (sband->bitrates[j].bitrate == rate) {
+                                        found = true;
+                                        ibss.basic_rates |= BIT(j);
+                                        break;
+                                }
+                        }
+                        if (!found) {
+                                err = -EINVAL;
+                                goto out;
+                        }
+                }
+        } else {
+                /*
+                * If no rates were explicitly configured,
+                * use the mandatory rate set for 11b or
+                * 11a for maximum compatibility.
+                */
+                struct ieee80211_supported_band *sband =
+                        wiphy->bands[ibss.channel->band];
+                int j;
+                u32 flag = ibss.channel->band == IEEE80211_BAND_5GHZ ?
+                        IEEE80211_RATE_MANDATORY_A :
+                        IEEE80211_RATE_MANDATORY_B;
+
+                for (j = 0; j < sband->n_bitrates; j++) {
+                        if (sband->bitrates[j].flags & flag)
+                                ibss.basic_rates |= BIT(j);
+                }
+        }
+
         err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
 
 out:
@@ -4653,7 +4702,8 @@ static int nl80211_register_action(struct sk_buff *skb, struct genl_info *info)
         if (err)
                 goto unlock_rtnl;
 
-        if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
+        if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
+            dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) {
                 err = -EOPNOTSUPP;
                 goto out;
         }
@@ -4703,7 +4753,8 @@ static int nl80211_action(struct sk_buff *skb, struct genl_info *info)
                 goto out;
         }
 
-        if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
+        if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
+            dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) {
                 err = -EOPNOTSUPP;
                 goto out;
         }