Add run(4), a driver for Ralink RT2700U/RT2800U/RT3000U USB 802.11agn devices.

This driver was written for OpenBSD by Damien Bergamini and ported over by
Akinori Furukoshi.

1 files changed, 222 insertions, 0 deletions

diff --git a/sys/dev/usb/wlan/if_runvar.h b/sys/dev/usb/wlan/if_runvar.h
new file mode 100644
index 000000000000..a8795a9776a8
--- /dev/null
+++ b/sys/dev/usb/wlan/if_runvar.h
@@ -0,0 +1,222 @@
+/*	$OpenBSD: if_runvar.h,v 1.3 2009/03/26 20:17:27 damien Exp $	*/
+
+/*-
+ * Copyright (c) 2008,2009 Damien Bergamini <damien.bergamini@free.fr>
+ *	ported to FreeBSD by Akinori Furukoshi <moonlightakkiy@yahoo.ca>
+ *
+ * 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _IF_RUNVAR_H_
+#define	_IF_RUNVAR_H_
+
+#define RUN_MAX_RXSZ			\
+	MIN(4096, MJUMPAGESIZE)
+#if 0
+	(sizeof (uint32_t) +		\
+	 sizeof (struct rt2860_rxwi) +	\
+	 sizeof (uint16_t) +		\
+	 MCLBYTES +			\
+	 sizeof (struct rt2870_rxd))
+#endif
+/* NB: "11" is the maximum number of padding bytes needed for Tx */
+#define RUN_MAX_TXSZ			\
+	(sizeof (struct rt2870_txd) +	\
+	 sizeof (struct rt2860_rxwi) +	\
+	 MCLBYTES + 11)
+
+#define RUN_TX_TIMEOUT	5000	/* ms */
+
+/* Tx ring count was 8/endpoint, now 32 for all 4 (or 6) endpoints. */
+#define RUN_TX_RING_COUNT	32
+#define RUN_RX_RING_COUNT	1
+
+#define RT2870_WCID_MAX		253
+#define RUN_AID2WCID(aid)	((aid) & 0xff)
+
+struct run_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_dbm_antsignal;
+	uint8_t		wr_antenna;
+	uint8_t		wr_antsignal;
+} __packed;
+
+#define RUN_RX_RADIOTAP_PRESENT				\
+	(1 << IEEE80211_RADIOTAP_FLAGS |		\
+	 1 << IEEE80211_RADIOTAP_RATE |			\
+	 1 << IEEE80211_RADIOTAP_CHANNEL |		\
+	 1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL |	\
+	 1 << IEEE80211_RADIOTAP_ANTENNA |		\
+	 1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL)
+
+struct run_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_hwqueue;
+} __packed;
+
+#define IEEE80211_RADIOTAP_HWQUEUE 15
+
+#define RUN_TX_RADIOTAP_PRESENT				\
+	(1 << IEEE80211_RADIOTAP_FLAGS |		\
+	 1 << IEEE80211_RADIOTAP_RATE |			\
+	 1 << IEEE80211_RADIOTAP_CHANNEL |		\
+	 1 << IEEE80211_RADIOTAP_HWQUEUE)
+
+struct run_softc;
+
+struct run_tx_data {
+	STAILQ_ENTRY(run_tx_data)	next;
+	struct run_softc	*sc;
+	struct mbuf		*m;
+	struct ieee80211_node	*ni;
+	uint32_t align[0];	/* dummy field */
+	uint8_t	desc[sizeof(struct rt2870_txd) +
+		     sizeof(struct rt2860_txwi)];
+	int			ridx;
+	uint8_t			mcs;
+};
+STAILQ_HEAD(run_tx_data_head, run_tx_data);
+
+struct run_node {
+	struct ieee80211_node	ni;
+	uint8_t			ridx[IEEE80211_RATE_MAXSIZE];
+	uint8_t			ctl_ridx[IEEE80211_RATE_MAXSIZE];
+};
+
+struct run_vap {
+	struct ieee80211vap             vap;
+	struct ieee80211_beacon_offsets bo;
+	struct ieee80211_amrr           amrr;
+	struct ieee80211_amrr_node	amn[RT2870_WCID_MAX + 1];
+	struct usb_callout              amrr_ch;
+	struct task                     amrr_task;
+	uint8_t				amrr_run;
+#define RUN_AMRR_ON	1
+#define RUN_AMRR_OFF	0
+
+	int                             (*newstate)(struct ieee80211vap *,
+                                            enum ieee80211_state, int);
+};
+#define RUN_VAP(vap)    ((struct run_vap *)(vap))
+
+/*
+ * There are 7 bulk endpoints: 1 for RX
+ * and 6 for TX (4 EDCAs + HCCA + Prio).
+ * Update 03-14-2009:  some devices like the Planex GW-US300MiniS
+ * seem to have only 4 TX bulk endpoints (Fukaumi Naoki).
+ */
+enum {
+	RUN_BULK_TX_BE,		/* = WME_AC_BE */
+	RUN_BULK_TX_BK,		/* = WME_AC_BK */
+	RUN_BULK_TX_VI,		/* = WME_AC_VI */
+	RUN_BULK_TX_VO,		/* = WME_AC_VO */
+	RUN_BULK_TX_HCCA,
+	RUN_BULK_TX_PRIO,
+	RUN_BULK_RX,
+	RUN_N_XFER,
+};
+
+#define	RUN_EP_QUEUES	RUN_BULK_RX
+
+struct run_endpoint_queue {
+	struct run_tx_data		tx_data[RUN_TX_RING_COUNT];
+	struct run_tx_data_head		tx_qh;
+	struct run_tx_data_head		tx_fh;
+	uint32_t			tx_nfree;
+};
+
+struct run_softc {
+	device_t			sc_dev;
+	struct usb_device		*sc_udev;
+	struct ifnet			*sc_ifp;
+	struct run_vap			*sc_rvp;
+
+	int				(*sc_srom_read)(struct run_softc *,
+					    uint16_t, uint16_t *);
+
+	const struct firmware		*fwp;
+
+	uint32_t			mac_rev;
+	uint8_t				rf_rev;
+	uint8_t				freq;
+	uint8_t				ntxchains;
+	uint8_t				nrxchains;
+	int				fixed_ridx;
+
+	uint8_t				rf24_20mhz;
+	uint8_t				rf24_40mhz;
+	uint8_t				ext_2ghz_lna;
+	uint8_t				ext_5ghz_lna;
+	uint8_t				calib_2ghz;
+	uint8_t				calib_5ghz;
+	int8_t				txpow1[50];
+	int8_t				txpow2[50];
+	int8_t				rssi_2ghz[3];
+	int8_t				rssi_5ghz[3];
+	uint8_t				lna[4];
+
+	struct {
+		uint8_t	reg;
+		uint8_t	val;
+	}				bbp[8];
+	uint8_t				leds;
+	uint16_t			led[3];
+	uint32_t			txpow20mhz[5];
+	uint32_t			txpow40mhz_2ghz[5];
+	uint32_t			txpow40mhz_5ghz[5];
+
+	uint8_t				sc_bssid[6];
+
+	struct mtx			sc_mtx;
+
+	struct run_endpoint_queue	sc_epq[RUN_EP_QUEUES];
+
+	struct task			wme_task;
+	struct task			usb_timeout_task;
+
+	struct usb_xfer			*sc_xfer[RUN_N_XFER];
+
+	struct mbuf			*rx_m;
+
+	int				sifs;
+
+	union {
+		struct run_rx_radiotap_header th;
+		uint8_t	pad[64];
+	}				sc_rxtapu;
+#define sc_rxtap	sc_rxtapu.th
+	int				sc_rxtap_len;
+
+	union {
+		struct run_tx_radiotap_header th;
+		uint8_t	pad[64];
+	}				sc_txtapu;
+#define sc_txtap	sc_txtapu.th
+	int				sc_txtap_len;
+};
+
+#define RUN_LOCK(sc)		mtx_lock(&(sc)->sc_mtx)
+#define RUN_UNLOCK(sc)		mtx_unlock(&(sc)->sc_mtx)
+#define RUN_LOCK_ASSERT(sc, t)	mtx_assert(&(sc)->sc_mtx, t)
+
+#endif	/* _IF_RUNVAR_H_ */