cfg80211: implement IWRATE

For now, let's implement that using a very hackish way:
simply mirror the wext API in the cfg80211 API. This
will have to be changed later when we implement proper
bitrate API.

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

1 files changed, 32 insertions, 0 deletions

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index b396d11564bc..579085564883 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -815,6 +815,26 @@ enum tx_power_setting {
         TX_POWER_FIXED,
 };
 
+/*
+ * cfg80211_bitrate_mask - masks for bitrate control
+ */
+struct cfg80211_bitrate_mask {
+/*
+ * As discussed in Berlin, this struct really
+ * should look like this:
+
+        struct {
+                u32 legacy;
+                u8 mcs[IEEE80211_HT_MCS_MASK_LEN];
+        } control[IEEE80211_NUM_BANDS];
+
+ * Since we can always fix in-kernel users, let's keep
+ * it simpler for now:
+ */
+        u32 fixed;   /* fixed bitrate, 0 == not fixed */
+        u32 maxrate; /* in kbps, 0 == no limit */
+};
+
 /**
  * struct cfg80211_ops - backend description for wireless configuration
  *
@@ -1027,6 +1047,11 @@ struct cfg80211_ops {
         int     (*testmode_cmd)(struct wiphy *wiphy, void *data, int len);
 #endif
 
+        int     (*set_bitrate_mask)(struct wiphy *wiphy,
+                                    struct net_device *dev,
+                                    const u8 *peer,
+                                    const struct cfg80211_bitrate_mask *mask);
+
         /* some temporary stuff to finish wext */
         int     (*set_power_mgmt)(struct wiphy *wiphy, struct net_device *dev,
                                   bool enabled, int timeout);
@@ -1581,6 +1606,13 @@ int cfg80211_wext_giwauth(struct net_device *dev,
 struct ieee80211_channel *cfg80211_wext_freq(struct wiphy *wiphy,
                                              struct iw_freq *freq);
 
+int cfg80211_wext_siwrate(struct net_device *dev,
+                          struct iw_request_info *info,
+                          struct iw_param *rate, char *extra);
+int cfg80211_wext_giwrate(struct net_device *dev,
+                          struct iw_request_info *info,
+                          struct iw_param *rate, char *extra);
+
 int cfg80211_wext_siwrts(struct net_device *dev,
                          struct iw_request_info *info,
                          struct iw_param *rts, char *extra);