Move the maximum monitor headroom definition to a nice header file

[madwifi/.git] / net80211 / ieee80211_monitor.h

diff --git a/net80211/ieee80211_monitor.h b/net80211/ieee80211_monitor.h
index 5bc0d6d762421e02efd4d6cd6a7cc11bef90c515..bbd9bdef55b4b9fe5b9ffc53f1850a78526b47bd 100644 (file)
--- a/net80211/ieee80211_monitor.h
+++ b/net80211/ieee80211_monitor.h
@@ -29,6 +29,10 @@
 #ifndef _NET80211_IEEE80211_MONITOR_H_
 #define _NET80211_IEEE80211_MONITOR_H_
 
+#include <net80211/ieee80211_radiotap.h>
+#include <ah_desc.h>
+#include <ath/if_athvar.h>
+
 #ifndef ARPHRD_IEEE80211_RADIOTAP
 #define ARPHRD_IEEE80211_RADIOTAP      803 /* IEEE 802.11 + radiotap header */
 #endif /* ARPHRD_IEEE80211_RADIOTAP */
@@ -39,9 +43,10 @@
 
 #define ATHDESC_HEADER_SIZE    32
 
-#include <net80211/ieee80211_radiotap.h>
-#include <ah_desc.h>
-#include <ath/if_athvar.h>
+#define IEEE80211_MON_MAXHDROOM ((unsigned int)                        \
+       A_MAX(sizeof(struct ath_tx_radiotap_header),            \
+             A_MAX(sizeof(struct wlan_ng_prism2_header),       \
+                           ATHDESC_HEADER_SIZE)))
 
 struct ieee80211_phy_params {
        u_int8_t rate0;