- add rum(4), a driver for the next generation Ralink Technology USB 802.11a/b/g

  wireless network devices.

not yet fully functional, putting it in the tree so others can hack on it too.

1 files changed, 160 insertions, 0 deletions

diff --git a/sys/dev/usb/if_rumvar.h b/sys/dev/usb/if_rumvar.h
new file mode 100644
index 00000000000..06303d31c3d
--- /dev/null
+++ b/sys/dev/usb/if_rumvar.h
@@ -0,0 +1,160 @@
+/*	$OpenBSD: if_rumvar.h,v 1.1 2006/06/16 22:30:46 niallo Exp $  */
+/*-
+ * Copyright (c) 2005, 2006 Damien Bergamini <damien.bergamini@free.fr>
+ * Copyright (c) 2006 Niall O'Higgins <niallo@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define RT2573_RX_LIST_COUNT	1
+#define RT2573_TX_LIST_COUNT	5
+
+struct rum_rx_radiotap_header {
+	struct ieee80211_radiotap_header wr_ihdr;
+	uint8_t		wr_flags;
+	uint8_t		wr_rate;
+	uint16_t	wr_chan_freq;
+	uint16_t	wr_chan_flags;
+	uint8_t		wr_antenna;
+	uint8_t		wr_antsignal;
+} __packed;
+
+#define RT2573_RX_RADIOTAP_PRESENT					\
+	((1 << IEEE80211_RADIOTAP_FLAGS) |				\
+	 (1 << IEEE80211_RADIOTAP_RATE) |				\
+	 (1 << IEEE80211_RADIOTAP_CHANNEL) |				\
+	 (1 << IEEE80211_RADIOTAP_ANTENNA) |				\
+	 (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))
+
+struct rum_tx_radiotap_header {
+	struct ieee80211_radiotap_header wt_ihdr;
+	uint8_t		wt_flags;
+	uint8_t		wt_rate;
+	uint16_t	wt_chan_freq;
+	uint16_t	wt_chan_flags;
+	uint8_t		wt_antenna;
+} __packed;
+
+#define RT2573_TX_RADIOTAP_PRESENT						\
+	((1 << IEEE80211_RADIOTAP_FLAGS) |				\
+	 (1 << IEEE80211_RADIOTAP_RATE) |				\
+	 (1 << IEEE80211_RADIOTAP_CHANNEL) |				\
+	 (1 << IEEE80211_RADIOTAP_ANTENNA))
+
+struct rum_softc;
+
+struct rum_tx_data {
+	struct rum_softc	*sc;
+	usbd_xfer_handle	xfer;
+	uint8_t			*buf;
+	struct mbuf		*m;
+	struct ieee80211_node	*ni;
+};
+
+struct rum_rx_data {
+	struct rum_softc	*sc;
+	usbd_xfer_handle	xfer;
+	uint8_t			*buf;
+	struct mbuf		*m;
+};
+
+struct rum_tx_ring {
+	struct rum_tx_data	*data;
+	struct rum_tx_desc	*desc;
+	int			count;
+	int			queued;
+	int			cur;
+	int			next;
+	int			stat;
+};
+struct rum_rx_ring {
+	struct rum_rx_data	*data;
+	struct rum_rx_desc	*desc;
+	int			cur;
+	int			next;
+	int			stat;
+};
+
+struct rum_softc {
+	USBBASEDEVICE			sc_dev;
+	struct ieee80211com		sc_ic;
+	int				(*sc_newstate)(struct ieee80211com *,
+					    enum ieee80211_state, int);
+
+	usbd_device_handle		sc_udev;
+	usbd_interface_handle		sc_iface;
+
+	struct ieee80211_channel	*sc_curchan;
+
+	int				sc_rx_no;
+	int				sc_tx_no;
+
+	uint32_t			asic_rev;
+	uint16_t			macbbp_rev;
+	uint8_t				rf_rev;
+	uint32_t			rfprog;
+	uint8_t				rffreq;
+
+	usbd_pipe_handle		sc_rx_pipeh;
+	usbd_pipe_handle		sc_tx_pipeh;
+
+	enum ieee80211_state		sc_state;
+	struct usb_task			sc_task;
+
+	struct rum_rx_data		rx_data[RT2573_RX_LIST_COUNT];
+	struct rum_tx_data		tx_data[RT2573_TX_LIST_COUNT];
+	int				tx_queued;
+
+	struct rum_tx_ring		txq[5];
+	struct rum_tx_ring		mgtq;
+	struct rum_rx_ring		rxq;
+
+	struct timeout			scan_ch;
+
+	int				sc_tx_timer;
+
+	uint16_t			sta[11];
+	uint32_t			rf_regs[4];
+	uint8_t				txpow[14];
+
+	struct {
+		uint8_t	val;
+		uint8_t	reg;
+	} __packed			bbp_prom[16];
+
+	int				led_mode;
+	int				hw_radio;
+	int				rx_ant;
+	int				tx_ant;
+	int				nb_ant;
+
+#if NBPFILTER > 0
+	caddr_t				sc_drvbpf;
+
+	union {
+		struct rum_rx_radiotap_header th;
+		uint8_t	pad[64];
+	}				sc_rxtapu;
+#define sc_rxtap	sc_rxtapu.th
+	int				sc_rxtap_len;
+
+	union {
+		struct rum_tx_radiotap_header th;
+		uint8_t	pad[64];
+	}				sc_txtapu;
+#define sc_txtap	sc_txtapu.th
+	int				sc_txtap_len;
+	struct timeout			rssadapt_ch;
+#endif
+};
+