1 files changed, 90 insertions, 0 deletions
diff --git a/freebsd/sys/dev/rtwn/rtl8821a/r21a_rx.c b/freebsd/sys/dev/rtwn/rtl8821a/r21a_rx.c
new file mode 100644
index 00000000..498d2423
--- /dev/null
+++ b/freebsd/sys/dev/rtwn/rtl8821a/r21a_rx.c
@@ -0,0 +1,90 @@
+#include <machine/rtems-bsd-kernel-space.h>
+
+/*-
+ * Copyright (c) 2016 Andriy Voskoboinyk <avos@FreeBSD.org>
+ * 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.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <rtems/bsd/local/opt_wlan.h>
+
+#include <rtems/bsd/sys/param.h>
+#include <rtems/bsd/sys/lock.h>
+#include <sys/mutex.h>
+#include <sys/mbuf.h>
+#include <sys/kernel.h>
+#include <sys/socket.h>
+#include <sys/systm.h>
+#include <sys/malloc.h>
+#include <sys/queue.h>
+#include <sys/taskqueue.h>
+#include <sys/bus.h>
+#include <sys/endian.h>
+#include <sys/linker.h>
+
+#include <net/if.h>
+#include <net/ethernet.h>
+#include <net/if_media.h>
+
+#include <net80211/ieee80211_var.h>
+#include <net80211/ieee80211_radiotap.h>
+
+#include <dev/rtwn/if_rtwnvar.h>
+
+#include <dev/rtwn/rtl8812a/r12a_rx_desc.h>
+
+#include <dev/rtwn/rtl8821a/r21a.h>
+
+
+int8_t
+r21a_get_rssi_cck(struct rtwn_softc *sc, void *physt)
+{
+	struct r12a_rx_phystat *stat = (struct r12a_rx_phystat *)physt;
+	int8_t lna_idx, rssi;
+
+	lna_idx = (stat->cfosho[0] & 0xe0) >> 5;
+	rssi = -6 - 2*(stat->cfosho[0] & 0x1f);	/* Pout - (2 * VGA_idx) */
+
+	switch (lna_idx) {
+	case 5:
+		rssi -= 32;
+		break;
+	case 4:
+		rssi -= 24;
+		break;
+	case 2:
+		rssi -= 11;
+		break;
+	case 1:
+		rssi += 5;
+		break;
+	case 0:
+		rssi += 21;
+		break;
+	}
+
+	return (rssi);
+}