1 files changed, 160 insertions, 0 deletions
diff --git a/sys/dev/ath/ath_dfs/null/dfs_null.c b/sys/dev/ath/ath_dfs/null/dfs_null.c
new file mode 100644
index 0000000..2f050a4
--- /dev/null
+++ b/sys/dev/ath/ath_dfs/null/dfs_null.c
@@ -0,0 +1,160 @@
+/*-
+ * Copyright (c) 2011 Adrian Chadd, Xenion Pty Ltd
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
+ *    redistribution must be conditioned upon including a substantially
+ *    similar Disclaimer requirement for further binary redistribution.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
+ * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGES.
+ *
+ * $FreeBSD$
+ */
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+/*
+ * This implements an empty DFS module.
+ */
+#include "opt_inet.h"
+#include "opt_wlan.h"
+
+#include <sys/param.h>
+#include <sys/systm.h> 
+#include <sys/sysctl.h>
+#include <sys/kernel.h>
+#include <sys/lock.h>
+#include <sys/mutex.h>
+#include <sys/errno.h>
+
+#include <machine/bus.h>
+#include <machine/resource.h>
+#include <sys/bus.h>
+
+#include <sys/socket.h>
+ 
+#include <net/if.h>
+#include <net/if_media.h>
+#include <net/if_arp.h>
+#include <net/ethernet.h>		/* XXX for ether_sprintf */
+
+#include <net80211/ieee80211_var.h>
+
+#include <net/bpf.h>
+
+#ifdef INET
+#include <netinet/in.h> 
+#include <netinet/if_ether.h>
+#endif
+
+#include <dev/ath/if_athvar.h>
+#include <dev/ath/if_athdfs.h>
+
+#include <dev/ath/ath_hal/ah_desc.h>
+
+/*
+ * Methods which are required
+ */
+
+/*
+ * Attach DFS to the given interface
+ */
+int
+ath_dfs_attach(struct ath_softc *sc)
+{
+	return 1;
+}
+
+/*
+ * Detach DFS from the given interface
+ */
+int
+ath_dfs_detach(struct ath_softc *sc)
+{
+	return 1;
+}
+
+/*
+ * Enable radar check
+ */
+void
+ath_dfs_radar_enable(struct ath_softc *sc, struct ieee80211_channel *chan)
+{
+	/* Check if the current channel is radar-enabled */
+	if (! IEEE80211_IS_CHAN_DFS(chan))
+		return;
+}
+
+/*
+ * Process DFS related PHY errors
+ */
+void
+ath_dfs_process_phy_err(struct ath_softc *sc, const char *buf,
+    uint64_t tsf, struct ath_rx_status *rxstat)
+{
+
+}
+
+/*
+ * Process the radar events and determine whether a DFS event has occured.
+ *
+ * This is designed to run outside of the RX processing path.
+ * The RX path will call ath_dfs_tasklet_needed() to see whether
+ * the task/callback running this routine needs to be called.
+ */
+int
+ath_dfs_process_radar_event(struct ath_softc *sc,
+    struct ieee80211_channel *chan)
+{
+	return 0;
+}
+
+/*
+ * Determine whether the the DFS check task needs to be queued.
+ *
+ * This is called in the RX task when the current batch of packets
+ * have been received. It will return whether there are any radar
+ * events for ath_dfs_process_radar_event() to handle.
+ */
+int
+ath_dfs_tasklet_needed(struct ath_softc *sc, struct ieee80211_channel *chan)
+{
+	return 0;
+}
+
+/*
+ * Handle ioctl requests from the diagnostic interface
+ */
+int
+ath_ioctl_phyerr(struct ath_softc *sc, struct ath_diag *ad)
+{
+	return 1;
+}
+
+/*
+ * Get the current DFS thresholds from the HAL
+ */
+int
+ath_dfs_get_thresholds(struct ath_softc *sc, HAL_PHYERR_PARAM *param)
+{
+	ath_hal_getdfsthresh(sc->sc_ah, param);
+	return 1;
+}