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freebsd-skq/sys/dev/malo/if_malo.h
Adrian Chadd ba2c1fbc03 Revert the wifi ifnet changes until things are more baked and tested. 
* 286410
* 286413
* 286416

The initial commit broke a variety of debug and features that aren't
in the GENERIC kernels but are enabled in other platforms.
2015-08-08 01:10:17 +00:00

588 lines
19 KiB
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/*-
* Copyright (c) 2007 Marvell Semiconductor, Inc.
* Copyright (c) 2007 Sam Leffler, Errno Consulting
* Copyright (c) 2008 Weongyo Jeong <weongyo@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,
* 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.
*
* $FreeBSD$
*/
/*
* Definitions for the Marvell 88W8335 Wireless LAN controller.
*/
#ifndef _DEV_MALO_H
#define _DEV_MALO_H
#include <net80211/ieee80211_radiotap.h>
#include <dev/malo/if_malohal.h>
#include <dev/malo/if_maloioctl.h>
#ifndef MALO_TXBUF
#define MALO_TXBUF 256 /* number of TX descriptors/buffers */
#endif
#ifndef MALO_RXBUF
#define MALO_RXBUF 256 /* number of RX descriptors/buffers */
#endif
#define MALO_TXDESC 1 /* max tx descriptors/segments */
#define MALO_RXSIZE PAGE_SIZE
#define MALO_RSSI_DUMMY_MARKER 127
#define MALO_RSSI_EP_MULTIPLIER (1<<7) /* pow2 to optimize out * and / */
#define MALO_REG_INT_CODE 0x00000C14
/* From host to ARM */
#define MALO_REG_H2A_INTERRUPT_EVENTS 0x00000C18
/* bit definitions for MALO_REG_H2A_INTERRUPT_CAUSE */
#define MALO_H2ARIC_BIT_PPA_READY 0x00000001
#define MALO_H2ARIC_BIT_DOOR_BELL 0x00000002 /* bit 1 */
#define MALO_H2ARIC_BIT_PS 0x00000004
#define MALO_H2ARIC_BIT_PSPOLL 0x00000008 /* bit 3 */
/* From ARM to host */
#define MALO_REG_A2H_INTERRUPT_CAUSE 0x00000C30
#define MALO_REG_A2H_INTERRUPT_MASK 0x00000C34
#define MALO_REG_A2H_INTERRUPT_CLEAR_SEL 0x00000C38
#define MALO_REG_A2H_INTERRUPT_STATUS_MASK 0x00000C3C
/* bit definitions for MALO_REG_A2H_INTERRUPT_CAUSE */
#define MALO_A2HRIC_BIT_TX_DONE 0x00000001 /* bit 0 */
#define MALO_A2HRIC_BIT_RX_RDY 0x00000002 /* bit 1 */
#define MALO_A2HRIC_BIT_OPC_DONE 0x00000004
#define MALO_A2HRIC_BIT_MAC_EVENT 0x00000008
#define MALO_A2HRIC_BIT_RX_PROBLEM 0x00000010
#define MALO_A2HRIC_BIT_RADIO_OFF 0x00000020 /* bit 5 */
#define MALO_A2HRIC_BIT_RADIO_ON 0x00000040
#define MALO_A2HRIC_BIT_RADAR_DETECT 0x00000080
#define MALO_A2HRIC_BIT_ICV_ERROR 0x00000100
#define MALO_A2HRIC_BIT_MIC_ERROR 0x00000200 /* bit 9 */
#define MALO_A2HRIC_BIT_QUEUE_EMPTY 0x00000400
#define MALO_A2HRIC_BIT_QUEUE_FULL 0x00000800
#define MALO_A2HRIC_BIT_CHAN_SWITCH 0x00001000
#define MALO_A2HRIC_BIT_TX_WATCHDOG 0x00002000
#define MALO_A2HRIC_BIT_BA_WATCHDOG 0x00004000
#define MALO_ISR_SRC_BITS \
(MALO_A2HRIC_BIT_RX_RDY | \
MALO_A2HRIC_BIT_TX_DONE | \
MALO_A2HRIC_BIT_OPC_DONE | \
MALO_A2HRIC_BIT_MAC_EVENT | \
MALO_A2HRIC_BIT_MIC_ERROR | \
MALO_A2HRIC_BIT_ICV_ERROR | \
MALO_A2HRIC_BIT_RADAR_DETECT | \
MALO_A2HRIC_BIT_CHAN_SWITCH | \
MALO_A2HRIC_BIT_TX_WATCHDOG | \
MALO_A2HRIC_BIT_QUEUE_EMPTY)
#define MALO_ISR_RESET (1<<15)
#define MALO_A2HRIC_BIT_MASK MALO_ISR_SRC_BITS
/* map to 0x80000000 on BAR1 */
#define MALO_REG_GEN_PTR 0x00000C10
#define MALO_REG_INT_CODE 0x00000C14
#define MALO_REG_SCRATCH 0x00000C40
/*
* define OpMode for SoftAP/Station mode
*
* the following mode signature has to be written to PCI scratch register#0
* right after successfully downloading the last block of firmware and
* before waiting for firmware ready signature
*/
#define MALO_HOSTCMD_STA_MODE 0x5A
#define MALO_HOSTCMD_STA_FWRDY_SIGNATURE 0xF0F1F2F4
/*
* 16 bit host command code
*/
#define MALO_HOSTCMD_NONE 0x0000
#define MALO_HOSTCMD_CODE_DNLD 0x0001
#define MALO_HOSTCMD_GET_HW_SPEC 0x0003
#define MALO_HOSTCMD_SET_HW_SPEC 0x0004
#define MALO_HOSTCMD_MAC_MULTICAST_ADR 0x0010
#define MALO_HOSTCMD_SET_WEPKEY 0x0013
#define MALO_HOSTCMD_802_11_RADIO_CONTROL 0x001c
#define MALO_HOSTCMD_802_11_RF_TX_POWER 0x001e
#define MALO_HOSTCMD_802_11_RF_ANTENNA 0x0020
#define MALO_HOSTCMD_SET_PRE_SCAN 0x0107
#define MALO_HOSTCMD_SET_POST_SCAN 0x0108
#define MALO_HOSTCMD_SET_RF_CHANNEL 0x010a
#define MALO_HOSTCMD_SET_AID 0x010d
#define MALO_HOSTCMD_SET_RATE 0x0110
#define MALO_HOSTCMD_SET_SLOT 0x0114
/* define DFS lab commands */
#define MALO_HOSTCMD_SET_FIXED_RATE 0x0126
#define MALO_HOSTCMD_SET_REGION_POWER 0x0128
#define MALO_HOSTCMD_GET_CALTABLE 0x1134
/*
* definition of action or option for each command.
*/
/* define general purpose action */
#define MALO_HOSTCMD_ACT_GEN_GET 0x0000
#define MALO_HOSTCMD_ACT_GEN_SET 0x0001
#define MALO_HOSTCMD_ACT_GEN_SET_LIST 0x0002
/* define action or option for HostCmd_FW_USE_FIXED_RATE */
#define MALO_HOSTCMD_ACT_USE_FIXED_RATE 0x0001
#define MALO_HOSTCMD_ACT_NOT_USE_FIXED_RATE 0x0002
/* INT code register event definition */
#define MALO_INT_CODE_CMD_FINISHED 0x00000005
struct malo_cmd_header {
uint16_t cmd;
uint16_t length;
uint16_t seqnum;
uint16_t result;
} __packed;
struct malo_cmd_caltable {
struct malo_cmd_header cmdhdr;
uint8_t annex;
uint8_t index;
uint8_t len;
uint8_t reserverd;
#define MALO_CAL_TBL_SIZE 160
uint8_t caltbl[MALO_CAL_TBL_SIZE];
} __packed;
struct malo_cmd_get_hwspec {
struct malo_cmd_header cmdhdr;
u_int8_t version; /* version of the HW */
u_int8_t hostif; /* host interface */
/* Max. number of WCB FW can handle */
u_int16_t num_wcb;
/* MaxNbr of MC addresses FW can handle */
u_int16_t num_mcastaddr;
/* MAC address programmed in HW */
u_int8_t permaddr[6];
u_int16_t regioncode;
/* Number of antenna used */
u_int16_t num_antenna;
/* 4 byte of FW release number */
u_int32_t fw_releasenum;
u_int32_t wcbbase0;
u_int32_t rxpdwr_ptr;
u_int32_t rxpdrd_ptr;
u_int32_t ul_fw_awakecookie;
u_int32_t wcbbase1;
u_int32_t wcbbase2;
u_int32_t wcbbase3;
} __packed;
struct malo_cmd_set_hwspec {
struct malo_cmd_header cmdhdr;
uint8_t version; /* HW revision */
uint8_t hostif; /* Host interface */
/* Max. number of Multicast address FW can handle */
uint16_t num_mcastaddr;
uint8_t permaddr[6]; /* MAC address */
uint16_t regioncode; /* Region Code */
/* 4 byte of FW release number */
uint32_t fwreleasenum;
/* Firmware awake cookie */
uint32_t ul_fw_awakecookie;
/* Device capabilities (see above) */
uint32_t devicecaps;
uint32_t rxpdwrptr; /* Rx shared memory queue */
/* # TX queues in WcbBase array */
uint32_t num_txqueues;
/* TX WCB Rings */
uint32_t wcbbase[MALO_MAX_TXWCB_QUEUES];
uint32_t flags;
uint32_t txwcbnum_per_queue;
uint32_t total_rxwcb;
} __packed;
/* DS 802.11 */
struct malo_cmd_rf_antenna {
struct malo_cmd_header cmdhdr;
uint16_t action;
/* Number of antennas or 0xffff (diversity) */
uint16_t mode;
} __packed;
struct malo_cmd_radio_control {
struct malo_cmd_header cmdhdr;
uint16_t action;
/*
* bit 0 : 1 = on, 0 = off
* bit 1 : 1 = long, 0 = short
* bit 2 : 1 = auto, 0 = fix
*/
uint16_t control;
uint16_t radio_on;
} __packed;
struct malo_cmd_fw_set_wmmmode {
struct malo_cmd_header cmdhdr;
uint16_t action; /* 0 -> unset, 1 -> set */
} __packed;
struct malo_cmd_fw_set_rf_channel {
struct malo_cmd_header cmdhdr;
uint16_t action;
uint8_t cur_channel; /* channel # */
} __packed;
#define MALO_TX_POWER_LEVEL_TOTAL 8
struct malo_cmd_rf_tx_power {
struct malo_cmd_header cmdhdr;
uint16_t action;
uint16_t support_txpower_level;
uint16_t current_txpower_level;
uint16_t reserved;
uint16_t power_levellist[MALO_TX_POWER_LEVEL_TOTAL];
} __packed;
struct malo_fixrate_flag {
/* lower rate after the retry count. 0 = legacy, 1 = HT */
uint32_t type;
/* 0: retry count is not valid, 1: use retry count specified */
uint32_t retrycount_valid;
} __packed;
struct malo_fixed_rate_entry {
struct malo_fixrate_flag typeflags;
/* legacy rate(not index) or an MCS code. */
uint32_t fixedrate;
uint32_t retrycount;
} __packed;
struct malo_cmd_fw_use_fixed_rate {
struct malo_cmd_header cmdhdr;
/*
* MALO_HOSTCMD_ACT_GEN_GET 0x0000
* MALO_HOSTCMD_ACT_GEN_SET 0x0001
* MALO_HOSTCMD_ACT_NOT_USE_FIXED_RATE 0x0002
*/
uint32_t action;
/* use fixed rate specified but firmware can drop to */
uint32_t allowratedrop;
uint32_t entrycount;
struct malo_fixed_rate_entry fixedrate_table[4];
uint8_t multicast_rate;
uint8_t multirate_txtype;
uint8_t management_rate;
} __packed;
#define MALO_RATE_INDEX_MAX_ARRAY 14
struct malo_cmd_fw_set_aid {
struct malo_cmd_header cmdhdr;
uint16_t associd;
uint8_t macaddr[6]; /* AP's Mac Address(BSSID) */
uint32_t gprotection;
uint8_t aprates[MALO_RATE_INDEX_MAX_ARRAY];
} __packed;
struct malo_cmd_prescan {
struct malo_cmd_header cmdhdr;
} __packed;
struct malo_cmd_postscan {
struct malo_cmd_header cmdhdr;
uint32_t isibss;
uint8_t bssid[6];
} __packed;
struct malo_cmd_fw_setslot {
struct malo_cmd_header cmdhdr;
uint16_t action;
/* slot = 0 if regular, slot = 1 if short. */
uint8_t slot;
};
struct malo_cmd_set_rate {
struct malo_cmd_header cmdhdr;
uint8_t dataratetype;
uint8_t rateindex;
uint8_t aprates[14];
} __packed;
struct malo_cmd_wepkey {
struct malo_cmd_header cmdhdr;
uint16_t action;
uint8_t len;
uint8_t flags;
uint16_t index;
uint8_t value[IEEE80211_KEYBUF_SIZE];
uint8_t txmickey[IEEE80211_WEP_MICLEN];
uint8_t rxmickey[IEEE80211_WEP_MICLEN];
uint64_t rxseqctr;
uint64_t txseqctr;
} __packed;
struct malo_cmd_mcast {
struct malo_cmd_header cmdhdr;
uint16_t action;
uint16_t numaddr;
#define MALO_HAL_MCAST_MAX 32
uint8_t maclist[6*32];
} __packed;
/*
* DMA state for tx/rx descriptors.
*/
/*
* Common "base class" for tx/rx descriptor resources
* allocated using the bus dma api.
*/
struct malo_descdma {
const char* dd_name;
void *dd_desc; /* descriptors */
bus_addr_t dd_desc_paddr; /* physical addr of dd_desc */
bus_size_t dd_desc_len; /* size of dd_desc */
bus_dma_segment_t dd_dseg;
int dd_dnseg; /* number of segments */
bus_dma_tag_t dd_dmat; /* bus DMA tag */
bus_dmamap_t dd_dmamap; /* DMA map for descriptors */
void *dd_bufptr; /* associated buffers */
};
/*
* Hardware tx/rx descriptors.
*
* NB: tx descriptor size must match f/w expected size
* because f/w prefetch's the next descriptor linearly
* and doesn't chase the next pointer.
*/
struct malo_txdesc {
uint32_t status;
#define MALO_TXD_STATUS_IDLE 0x00000000
#define MALO_TXD_STATUS_USED 0x00000001
#define MALO_TXD_STATUS_OK 0x00000001
#define MALO_TXD_STATUS_OK_RETRY 0x00000002
#define MALO_TXD_STATUS_OK_MORE_RETRY 0x00000004
#define MALO_TXD_STATUS_MULTICAST_TX 0x00000008
#define MALO_TXD_STATUS_BROADCAST_TX 0x00000010
#define MALO_TXD_STATUS_FAILED_LINK_ERROR 0x00000020
#define MALO_TXD_STATUS_FAILED_EXCEED_LIMIT 0x00000040
#define MALO_TXD_STATUS_FAILED_XRETRY MALO_TXD_STATUS_FAILED_EXCEED_LIMIT
#define MALO_TXD_STATUS_FAILED_AGING 0x00000080
#define MALO_TXD_STATUS_FW_OWNED 0x80000000
uint8_t datarate;
uint8_t txpriority;
uint16_t qosctrl;
uint32_t pktptr;
uint16_t pktlen;
uint8_t destaddr[6];
uint32_t physnext;
uint32_t sap_pktinfo;
uint16_t format;
#define MALO_TXD_FORMAT 0x0001 /* frame format/rate */
#define MALO_TXD_FORMAT_LEGACY 0x0000 /* legacy rate frame */
#define MALO_TXD_RATE 0x01f8 /* tx rate (legacy)/ MCS */
#define MALO_TXD_RATE_S 3
/* NB: 3 is reserved */
#define MALO_TXD_ANTENNA 0x1800 /* antenna select */
#define MALO_TXD_ANTENNA_S 11
uint16_t pad; /* align to 4-byte boundary */
} __packed;
#define MALO_TXDESC_SYNC(txq, ds, how) do { \
bus_dmamap_sync((txq)->dma.dd_dmat, (txq)->dma.dd_dmamap, how); \
} while(0)
struct malo_rxdesc {
uint8_t rxcontrol; /* control element */
#define MALO_RXD_CTRL_DRIVER_OWN 0x00
#define MALO_RXD_CTRL_OS_OWN 0x04
#define MALO_RXD_CTRL_DMA_OWN 0x80
uint8_t snr; /* signal to noise ratio */
uint8_t status; /* status field w/ USED bit */
#define MALO_RXD_STATUS_IDLE 0x00
#define MALO_RXD_STATUS_OK 0x01
#define MALO_RXD_STATUS_MULTICAST_RX 0x02
#define MALO_RXD_STATUS_BROADCAST_RX 0x04
#define MALO_RXD_STATUS_FRAGMENT_RX 0x08
#define MALO_RXD_STATUS_GENERAL_DECRYPT_ERR 0xff
#define MALO_RXD_STATUS_DECRYPT_ERR_MASK 0x80
#define MALO_RXD_STATUS_TKIP_MIC_DECRYPT_ERR 0x02
#define MALO_RXD_STATUS_WEP_ICV_DECRYPT_ERR 0x04
#define MALO_RXD_STATUS_TKIP_ICV_DECRYPT_ERR 0x08
uint8_t channel; /* channel # pkt received on */
uint16_t pktlen; /* total length of received data */
uint8_t nf; /* noise floor */
uint8_t rate; /* received data rate */
uint32_t physbuffdata; /* physical address of payload data */
uint32_t physnext; /* physical address of next RX desc */
uint16_t qosctrl; /* received QosCtrl field variable */
uint16_t htsig2; /* like name states */
} __packed;
#define MALO_RXDESC_SYNC(sc, ds, how) do { \
bus_dmamap_sync((sc)->malo_rxdma.dd_dmat, \
(sc)->malo_rxdma.dd_dmamap, how); \
} while (0)
struct malo_rxbuf {
STAILQ_ENTRY(malo_rxbuf) bf_list;
void *bf_desc; /* h/w descriptor */
bus_addr_t bf_daddr; /* physical addr of desc */
bus_dmamap_t bf_dmamap;
bus_addr_t bf_data; /* physical addr of rx data */
struct mbuf *bf_m; /* jumbo mbuf */
};
typedef STAILQ_HEAD(, malo_rxbuf) malo_rxbufhead;
/*
* Software backed version of tx/rx descriptors. We keep
* the software state out of the h/w descriptor structure
* so that may be allocated in uncached memory w/o paying
* performance hit.
*/
struct malo_txbuf {
STAILQ_ENTRY(malo_txbuf) bf_list;
void *bf_desc; /* h/w descriptor */
bus_addr_t bf_daddr; /* physical addr of desc */
bus_dmamap_t bf_dmamap; /* DMA map for descriptors */
int bf_nseg;
bus_dma_segment_t bf_segs[MALO_TXDESC];
struct mbuf *bf_m;
struct ieee80211_node *bf_node;
struct malo_txq *bf_txq; /* backpointer to tx q/ring */
};
typedef STAILQ_HEAD(, malo_txbuf) malo_txbufhead;
/*
* TX/RX ring definitions. There are 4 tx rings, one
* per AC, and 1 rx ring. Note carefully that transmit
* descriptors are treated as a contiguous chunk and the
* firmware pre-fetches descriptors. This means that we
* must preserve order when moving descriptors between
* the active+free lists; otherwise we may stall transmit.
*/
struct malo_txq {
struct malo_descdma dma; /* bus dma resources */
struct mtx lock; /* tx q lock */
char name[12]; /* e.g. "malo0_txq4" */
int qnum; /* f/w q number */
int txpri; /* f/w tx priority */
int nfree; /* # buffers on free list */
malo_txbufhead free; /* queue of free buffers */
malo_txbufhead active; /* queue of active buffers */
};
#define MALO_TXQ_LOCK_INIT(_sc, _tq) do { \
snprintf((_tq)->name, sizeof((_tq)->name), "%s_txq%u", \
device_get_nameunit((_sc)->malo_dev), (_tq)->qnum); \
mtx_init(&(_tq)->lock, (_tq)->name, NULL, MTX_DEF); \
} while (0)
#define MALO_TXQ_LOCK_DESTROY(_tq) mtx_destroy(&(_tq)->lock)
#define MALO_TXQ_LOCK(_tq) mtx_lock(&(_tq)->lock)
#define MALO_TXQ_UNLOCK(_tq) mtx_unlock(&(_tq)->lock)
#define MALO_TXQ_LOCK_ASSERT(_tq) mtx_assert(&(_tq)->lock, MA_OWNED)
/*
* Each packet has fixed front matter: a 2-byte length
* of the payload, followed by a 4-address 802.11 header
* (regardless of the actual header and always w/o any
* QoS header). The payload then follows.
*/
struct malo_txrec {
uint16_t fwlen;
struct ieee80211_frame_addr4 wh;
} __packed;
struct malo_vap {
struct ieee80211vap malo_vap;
int (*malo_newstate)(struct ieee80211vap *,
enum ieee80211_state, int);
};
#define MALO_VAP(vap) ((struct malo_vap *)(vap))
struct malo_softc {
device_t malo_dev;
struct ifnet *malo_ifp; /* interface common */
struct mtx malo_mtx; /* master lock (recursive) */
struct taskqueue *malo_tq; /* private task queue */
bus_dma_tag_t malo_dmat; /* bus DMA tag */
bus_space_handle_t malo_io0h; /* BAR 0 */
bus_space_tag_t malo_io0t;
bus_space_handle_t malo_io1h; /* BAR 1 */
bus_space_tag_t malo_io1t;
unsigned int malo_invalid : 1,/* disable hardware accesses */
malo_recvsetup : 1, /* recv setup */
malo_fixedrate: 1; /* use fixed tx rate */
struct malo_hal *malo_mh; /* h/w access layer */
struct malo_hal_hwspec malo_hwspecs; /* h/w capabilities */
struct malo_hal_txrxdma malo_hwdma; /* h/w dma setup */
uint32_t malo_imask; /* interrupt mask copy */
struct malo_hal_channel malo_curchan;
u_int16_t malo_rxantenna; /* rx antenna */
u_int16_t malo_txantenna; /* tx antenna */
struct malo_descdma malo_rxdma; /* rx bus dma resources */
malo_rxbufhead malo_rxbuf; /* rx buffers */
struct malo_rxbuf *malo_rxnext; /* next rx buffer to process */
struct task malo_rxtask; /* rx int processing */
struct malo_txq malo_txq[MALO_NUM_TX_QUEUES];
struct task malo_txtask; /* tx int processing */
struct callout malo_watchdog_timer;
int malo_timer;
struct malo_tx_radiotap_header malo_tx_th;
struct malo_rx_radiotap_header malo_rx_th;
struct malo_stats malo_stats; /* interface statistics */
int malo_debug;
};
#define MALO_LOCK_INIT(_sc) \
mtx_init(&(_sc)->malo_mtx, device_get_nameunit((_sc)->malo_dev), \
NULL, MTX_DEF | MTX_RECURSE)
#define MALO_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->malo_mtx)
#define MALO_LOCK(_sc) mtx_lock(&(_sc)->malo_mtx)
#define MALO_UNLOCK(_sc) mtx_unlock(&(_sc)->malo_mtx)
#define MALO_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->malo_mtx, MA_OWNED)
#define MALO_RXFREE_INIT(_sc) \
mtx_init(&(_sc)->malo_rxlock, device_get_nameunit((_sc)->malo_dev), \
NULL, MTX_DEF)
#define MALO_RXFREE_DESTROY(_sc) mtx_destroy(&(_sc)->malo_rxlock)
#define MALO_RXFREE_LOCK(_sc) mtx_lock(&(_sc)->malo_rxlock)
#define MALO_RXFREE_UNLOCK(_sc) mtx_unlock(&(_sc)->malo_rxlock)
#define MALO_RXFREE_ASSERT(_sc) mtx_assert(&(_sc)->malo_rxlock, \
MA_OWNED)
int malo_attach(uint16_t, struct malo_softc *);
int malo_intr(void *);
int malo_detach(struct malo_softc *);
void malo_shutdown(struct malo_softc *);
void malo_suspend(struct malo_softc *);
void malo_resume(struct malo_softc *);
#endif
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