1 files changed, 91 insertions, 0 deletions
diff --git a/freebsd/sys/dev/rtwn/rtl8812a/usb/r12au_rx.c b/freebsd/sys/dev/rtwn/rtl8812a/usb/r12au_rx.c
new file mode 100644
index 00000000..9015631a
--- /dev/null
+++ b/freebsd/sys/dev/rtwn/rtl8812a/usb/r12au_rx.c
@@ -0,0 +1,91 @@
+#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 <net80211/ieee80211_ratectl.h>
+
+#include <dev/rtwn/if_rtwnvar.h>
+
+#include <dev/rtwn/rtl8812a/r12a_fw_cmd.h>
+#include <dev/rtwn/rtl8812a/r12a_rx_desc.h>
+
+#include <dev/rtwn/rtl8812a/usb/r12au.h>
+
+
+int
+r12au_classify_intr(struct rtwn_softc *sc, void *buf, int len)
+{
+	struct r92c_rx_stat *stat = buf;
+	uint32_t rxdw2 = le32toh(stat->rxdw2);
+
+	if (rxdw2 & R12A_RXDW2_RPT_C2H) {
+		int pos = sizeof(struct r92c_rx_stat);
+		/* Check if Rx descriptor + command id/sequence fits. */
+		if (len < pos + 2)	/* unknown, skip */
+			return (RTWN_RX_DATA);
+
+		if (((uint8_t *)buf)[pos] == R12A_C2H_TX_REPORT)
+			return (RTWN_RX_TX_REPORT);
+		else
+			return (RTWN_RX_OTHER);
+	} else
+		return (RTWN_RX_DATA);
+}
+
+int
+r12au_align_rx(int totlen, int len)
+{
+	if (totlen < len)
+		return (roundup2(totlen, 8));
+
+	return (totlen);
+}