nl80211: Add set/get for frag/rts threshold and retry limits
Add new nl80211 attributes that can be used with NL80211_CMD_SET_WIPHY
and NL80211_CMD_GET_WIPHY to manage fragmentation/RTS threshold and
retry limits.
Since these values are stored in struct wiphy, remove the local copy
from mac80211 where feasible (frag & rts threshold). The retry limits
are currently needed in struct ieee80211_conf, but these could be
eventually removed since the driver should have access to the values
in struct wiphy.
Signed-off-by: Jouni Malinen <j@w1.fi>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 14013dc..5e1c230 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1298,6 +1298,32 @@
return ieee80211_ibss_leave(sdata);
}
+static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
+{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+
+ if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
+ int err;
+
+ if (local->ops->set_rts_threshold) {
+ err = local->ops->set_rts_threshold(
+ local_to_hw(local), wiphy->rts_threshold);
+ if (err)
+ return err;
+ }
+ }
+
+ if (changed & WIPHY_PARAM_RETRY_SHORT)
+ local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
+ if (changed & WIPHY_PARAM_RETRY_LONG)
+ local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
+ if (changed &
+ (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
+ ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
+
+ return 0;
+}
+
struct cfg80211_ops mac80211_config_ops = {
.add_virtual_intf = ieee80211_add_iface,
.del_virtual_intf = ieee80211_del_iface,
@@ -1336,4 +1362,5 @@
.disassoc = ieee80211_disassoc,
.join_ibss = ieee80211_join_ibss,
.leave_ibss = ieee80211_leave_ibss,
+ .set_wiphy_params = ieee80211_set_wiphy_params,
};