NetBSD/sys/dev/usb/if_athn_usb.h

494 lines
12 KiB
C

/* $NetBSD: if_athn_usb.h,v 1.2 2013/03/30 14:14:31 christos Exp $ */
/* $OpenBSD: if_athn_usb.h,v 1.3 2012/11/10 14:35:06 mikeb Exp $ */
/*-
* Copyright (c) 2011 Damien Bergamini <damien.bergamini@free.fr>
*
* 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.
*/
#ifndef _IF_ATHN_USB_H_
#define _IF_ATHN_USB_H_
/* Maximum number of STAs firmware can handle. */
#define AR_USB_MAX_STA 8
#define AR_USB_DEFAULT_NF (-95)
/* USB requests. */
#define AR_FW_DOWNLOAD 0x30
#define AR_FW_DOWNLOAD_COMP 0x31
/* USB endpoints addresses. */
#define AR_PIPE_TX_DATA (UE_DIR_OUT | 1)
#define AR_PIPE_RX_DATA (UE_DIR_IN | 2)
#define AR_PIPE_RX_INTR (UE_DIR_IN | 3)
#define AR_PIPE_TX_INTR (UE_DIR_OUT | 4)
/* Wireless module interface commands. */
#define AR_WMI_CMD_ECHO 0x001
#define AR_WMI_CMD_ACCESS_MEMORY 0x002
#define AR_WMI_CMD_DISABLE_INTR 0x003
#define AR_WMI_CMD_ENABLE_INTR 0x004
#define AR_WMI_CMD_RX_LINK 0x005
#define AR_WMI_CMD_ATH_INIT 0x006
#define AR_WMI_CMD_ABORT_TXQ 0x007
#define AR_WMI_CMD_STOP_TX_DMA 0x008
#define AR_WMI_CMD_STOP_DMA_RECV 0x009
#define AR_WMI_CMD_ABORT_TX_DMA 0x00a
#define AR_WMI_CMD_DRAIN_TXQ 0x00b
#define AR_WMI_CMD_DRAIN_TXQ_ALL 0x00c
#define AR_WMI_CMD_START_RECV 0x00d
#define AR_WMI_CMD_STOP_RECV 0x00e
#define AR_WMI_CMD_FLUSH_RECV 0x00f
#define AR_WMI_CMD_SET_MODE 0x010
#define AR_WMI_CMD_RESET 0x011
#define AR_WMI_CMD_NODE_CREATE 0x012
#define AR_WMI_CMD_NODE_REMOVE 0x013
#define AR_WMI_CMD_VAP_REMOVE 0x014
#define AR_WMI_CMD_VAP_CREATE 0x015
#define AR_WMI_CMD_BEACON_UPDATE 0x016
#define AR_WMI_CMD_REG_READ 0x017
#define AR_WMI_CMD_REG_WRITE 0x018
#define AR_WMI_CMD_RC_STATE_CHANGE 0x019
#define AR_WMI_CMD_RC_RATE_UPDATE 0x01a
#define AR_WMI_CMD_DEBUG_INFO 0x01b
#define AR_WMI_CMD_HOST_ATTACH 0x01c
#define AR_WMI_CMD_TARGET_IC_UPDATE 0x01d
#define AR_WMI_CMD_TGT_STATS 0x01e
#define AR_WMI_CMD_TX_AGGR_ENABLE 0x01f
#define AR_WMI_CMD_TGT_DETACH 0x020
#define AR_WMI_CMD_TGT_TXQ_ENABLE 0x021
#define AR_WMI_CMD_AGGR_LIMIT 0x026
/* Wireless module interface events. */
/*
* XXX: the 3.7.4 Linux kernel differs with this. This matches the
* 2.6.36 kernel.
*/
#if 1 /* Linux 2.6.26 */
#define AR_WMI_EVT_TGT_RDY 0x001
#define AR_WMI_EVT_SWBA 0x002
#define AR_WMI_EVT_FATAL 0x003
#define AR_WMI_EVT_TXTO 0x004
#define AR_WMI_EVT_BMISS 0x005
#define AR_WMI_EVT_WLAN_TXCOMP 0x006
#define AR_WMI_EVT_DELBA 0x007
#define AR_WMI_EVT_TXRATE 0x008
#else /* Linux 3.7.4 */
#define AR_WMI_EVT_TGT_RDY 0x001
#define AR_WMI_EVT_SWBA 0x002
#define AR_WMI_EVT_FATAL 0x003
#define AR_WMI_EVT_TXTO 0x004
#define AR_WMI_EVT_BMISS 0x005
#define AR_WMI_EVT_DELBA 0x006
#define AR_WMI_EVT_TXSTATUS 0x007
#endif
/* Structure for service AR_SVC_WMI_CONTROL. */
struct ar_wmi_cmd_hdr {
uint16_t cmd_id;
#define AR_WMI_EVT_FLAG 0x1000
uint16_t seq_no;
} __packed;
/* Values for AR_WMI_CMD_SET_MODE. */
#define AR_HTC_MODE_AUTO 0
#define AR_HTC_MODE_11A 1
#define AR_HTC_MODE_11B 2
#define AR_HTC_MODE_11G 3
#define AR_HTC_MODE_FH 4
#define AR_HTC_MODE_TURBO_A 5
#define AR_HTC_MODE_TURBO_G 6
#define AR_HTC_MODE_11NA 7
#define AR_HTC_MODE_11NG 8
#define AR_MAX_WRITE_COUNT 32
/* Structure for command AR_WMI_CMD_REG_WRITE. */
struct ar_wmi_cmd_reg_write {
uint32_t addr;
uint32_t val;
} __packed;
/* Structure for command AR_WMI_CMD_NODE_{CREATE,REMOVE}. */
struct ar_htc_target_sta {
uint16_t associd;
uint16_t txpower;
uint32_t pariwisekey;
uint8_t macaddr[IEEE80211_ADDR_LEN];
uint8_t bssid[IEEE80211_ADDR_LEN];
uint8_t sta_index;
uint8_t vif_index;
uint8_t vif_sta;
uint16_t flags;
#define AR_HTC_STA_AUTH 0x0001
#define AR_HTC_STA_QOS 0x0002
#define AR_HTC_STA_ERP 0x0004
#define AR_HTC_STA_HT 0x0008
uint16_t htcap;
uint8_t valid;
uint16_t capinfo;
uint32_t reserved[2];
uint16_t txseqmgmt;
uint8_t is_vif_sta;
uint16_t maxampdu;
uint16_t iv16;
uint32_t iv32;
} __packed;
/* Structures for command AR_WMI_CMD_RC_RATE_UPDATE. */
#define AR_HTC_RATE_MAX 30
struct ar_htc_rateset {
uint8_t rs_nrates;
uint8_t rs_rates[AR_HTC_RATE_MAX];
} __packed;
struct ar_htc_target_rate {
uint8_t sta_index;
uint8_t isnew;
uint32_t capflags;
#define AR_RC_DS_FLAG 0x00000001
#define AR_RC_TS_FLAG 0x00000002
#define AR_RC_40_FLAG 0x00000004
#define AR_RC_SGI_FLAG 0x00000008
#define AR_RC_HT_FLAG 0x00000010
struct ar_htc_rateset lg_rates;
struct ar_htc_rateset ht_rates;
} __packed;
/* Structure for command AR_WMI_CMD_TX_AGGR_ENABLE. */
struct ar_htc_target_aggr {
uint8_t sta_index;
uint8_t tidno;
uint8_t aggr_enable;
uint8_t padding;
} __packed;
/* Structure for command AR_WMI_CMD_VAP_CREATE. */
struct ar_htc_target_vif {
uint8_t index;
uint8_t des_bssid[IEEE80211_ADDR_LEN];
uint32_t opmode;
#define AR_HTC_M_IBSS 0
#define AR_HTC_M_STA 1
#define AR_HTC_M_WDS 2
#define AR_HTC_M_AHDEMO 3
#define AR_HTC_M_HOSTAP 6
#define AR_HTC_M_MONITOR 8
uint8_t myaddr[IEEE80211_ADDR_LEN];
uint8_t bssid[IEEE80211_ADDR_LEN];
uint32_t flags;
uint32_t flags_ext;
uint16_t ps_sta;
uint16_t rtsthreshold;
uint8_t ath_cap;
int8_t mcast_rate;
} __packed;
/* Structure for command AM_WMI_CMD_TARGET_IC_UPDATE. */
struct ar_htc_cap_target {
uint32_t flags;
uint32_t flags_ext;
uint32_t ampdu_limit;
uint8_t ampdu_subframes;
uint8_t ht_txchainmask;
uint8_t lg_txchainmask;
uint8_t rtscts_ratecode;
uint8_t protmode;
} __packed;
/* Structure for event AR_WMI_EVT_TXRATE. */
struct ar_wmi_evt_txrate {
uint32_t txrate;
uint8_t rssi_thresh;
uint8_t per;
} __packed;
/* HTC header. */
struct ar_htc_frame_hdr {
uint8_t endpoint_id;
uint8_t flags;
#define AR_HTC_FLAG_TRAILER 0x02
uint16_t payload_len;
uint8_t control[4];
} __packed;
/* Structure for HTC enpoint id 0. */
struct ar_htc_msg_hdr {
uint16_t msg_id;
#define AR_HTC_MSG_READY 0x0001
#define AR_HTC_MSG_CONN_SVC 0x0002
#define AR_HTC_MSG_CONN_SVC_RSP 0x0003
#define AR_HTC_MSG_SETUP_COMPLETE 0x0004
#define AR_HTC_MSG_CONF_PIPE 0x0005
#define AR_HTC_MSG_CONF_PIPE_RSP 0x0006
} __packed;
/* Structure for services AR_SVC_WMI_DATA_{VO,VI,BE,BK}. */
struct ar_tx_frame {
uint8_t data_type;
#define AR_HTC_AMPDU 1
#define AR_HTC_NORMAL 2
uint8_t node_idx;
uint8_t vif_idx;
uint8_t tid;
uint32_t flags;
#define AR_HTC_TX_CTSONLY 0x00000001
#define AR_HTC_TX_RTSCTS 0x00000002
#define AR_HTC_TX_USE_MIN_RATE 0x00000100
uint8_t key_type;
uint8_t key_idx;
uint8_t reserved[26];
} __packed;
/* Structure for service AR_SVC_WMI_MGMT. */
struct ar_tx_mgmt {
uint8_t node_idx;
uint8_t vif_idx;
uint8_t tid;
uint8_t flags;
uint8_t key_type;
uint8_t key_idx;
uint16_t reserved;
} __packed;
/* Structure for service AR_SVC_WMI_BEACON. */
struct ar_tx_bcn {
uint8_t len_changed;
uint8_t vif_idx;
uint16_t rev;
} __packed;
/* Structure for message AR_HTC_MSG_READY. */
struct ar_htc_msg_ready {
uint16_t credits;
uint16_t credits_size;
uint8_t max_endpoints;
uint8_t reserved;
} __packed;
/* Structure for message AR_HTC_MSG_CONF_PIPE. */
struct ar_htc_msg_config_pipe {
uint8_t pipe_id;
uint8_t credits;
} __packed;
/* Structure for message AR_HTC_MSG_CONN_SVC. */
struct ar_htc_msg_conn_svc {
uint16_t svc_id;
uint16_t conn_flags;
uint8_t dl_pipeid;
uint8_t ul_pipeid;
uint8_t svc_meta_len;
uint8_t reserved;
} __packed;
/* Structure for message AR_HTC_MSG_CONN_SVC_RSP. */
struct ar_htc_msg_conn_svc_rsp {
uint16_t svc_id;
uint8_t status;
#define AR_HTC_SVC_SUCCESS 0
#define AR_HTC_SVC_NOT_FOUND 1
#define AR_HTC_SVC_FAILED 2
#define AR_HTC_SVC_NO_RESOURCES 3
#define AR_HTC_SVC_NO_MORE_EP 4
uint8_t endpoint_id;
uint16_t max_msg_len;
uint8_t svc_meta_len;
uint8_t reserved;
} __packed;
#define AR_SVC(grp, idx) ((grp) << 8 | (idx))
#define AR_SVC_IDX(svc) ((svc) & 0xff)
/* Service groups. */
#define AR_SVC_GRP_RSVD 0
#define AR_SVC_GRP_WMI 1
/* Service identifiers for WMI group. */
#define AR_SVC_WMI_CONTROL AR_SVC(AR_SVC_GRP_WMI, 0)
#define AR_SVC_WMI_BEACON AR_SVC(AR_SVC_GRP_WMI, 1)
#define AR_SVC_WMI_CAB AR_SVC(AR_SVC_GRP_WMI, 2)
#define AR_SVC_WMI_UAPSD AR_SVC(AR_SVC_GRP_WMI, 3)
#define AR_SVC_WMI_MGMT AR_SVC(AR_SVC_GRP_WMI, 4)
#define AR_SVC_WMI_DATA_VO AR_SVC(AR_SVC_GRP_WMI, 5)
#define AR_SVC_WMI_DATA_VI AR_SVC(AR_SVC_GRP_WMI, 6)
#define AR_SVC_WMI_DATA_BE AR_SVC(AR_SVC_GRP_WMI, 7)
#define AR_SVC_WMI_DATA_BK AR_SVC(AR_SVC_GRP_WMI, 8)
struct ar_stream_hdr {
uint16_t len;
uint16_t tag;
#define AR_USB_RX_STREAM_TAG 0x4e00
#define AR_USB_TX_STREAM_TAG 0x697e
} __packed __attribute__((aligned(4)));
#define AR_MAX_CHAINS 3
/* Rx descriptor. */
struct ar_rx_status {
uint64_t rs_tstamp;
uint16_t rs_datalen;
uint8_t rs_status;
uint8_t rs_phyerr;
int8_t rs_rssi;
int8_t rs_rssi_ctl[AR_MAX_CHAINS];
int8_t rs_rssi_ext[AR_MAX_CHAINS];
uint8_t rs_keyix;
uint8_t rs_rate;
uint8_t rs_antenna;
uint8_t rs_more;
uint8_t rs_isaggr;
uint8_t rs_moreaggr;
uint8_t rs_num_delims;
uint8_t rs_flags;
#define AR_RXS_FLAG_GI 0x04
#define AR_RXS_FLAG_2040 0x08
uint8_t rs_dummy;
uint32_t rs_evm[AR_MAX_CHAINS];
} __packed __attribute__((aligned(4)));
/*
* Driver definitions.
*/
#define ATHN_USB_RX_LIST_COUNT 1
#define ATHN_USB_TX_LIST_COUNT (8 + 1) /* NB: +1 for beacons. */
#define ATHN_USB_HOST_CMD_RING_COUNT 32
#define ATHN_USB_RXBUFSZ (8 * 1024) /* XXX Linux 16K */
#define ATHN_USB_TXBUFSZ \
((sizeof(struct ar_stream_hdr) + \
sizeof(struct ar_htc_frame_hdr) + \
sizeof(struct ar_tx_frame) + \
IEEE80211_MAX_LEN + 3) & ~3)
#define ATHN_USB_TXCMDSZ 512
#define ATHN_USB_TX_TIMEOUT 5000 /* ms */
#define ATHN_USB_CMD_TIMEOUT 1000 /* ms */
struct athn_usb_softc;
struct athn_usb_rx_stream {
struct mbuf *m;
int moff;
int left;
};
struct athn_usb_rx_data {
struct athn_usb_softc *sc;
usbd_xfer_handle xfer;
uint8_t *buf;
};
struct athn_usb_tx_data {
struct athn_usb_softc *sc;
usbd_xfer_handle xfer;
uint8_t *buf;
TAILQ_ENTRY(athn_usb_tx_data) next;
};
struct athn_usb_host_cmd {
void (*cb)(struct athn_usb_softc *, void *);
uint8_t data[256];
};
struct athn_usb_cmd_newstate {
enum ieee80211_state state;
int arg;
};
struct athn_usb_cmd_key {
struct ieee80211_node *ni;
struct ieee80211_key *key;
};
struct athn_usb_aggr_cmd {
uint8_t sta_index;
uint8_t tid;
};
struct athn_usb_host_cmd_ring {
struct athn_usb_host_cmd cmd[ATHN_USB_HOST_CMD_RING_COUNT];
int cur;
int next;
int queued;
};
struct athn_usb_node {
struct athn_node aun_an;
/* our stuff */
};
struct athn_usb_softc {
struct athn_softc usc_sc;
#define usc_dev usc_sc.sc_dev
int usc_athn_attached;
kmutex_t usc_task_mtx;
kmutex_t usc_tx_mtx;
/* USB specific goo. */
usbd_device_handle usc_udev;
usbd_interface_handle usc_iface;
struct usb_task usc_task;
int usc_dying;
u_int usc_flags;
#define ATHN_USB_FLAG_NONE 0x00
#define ATHN_USB_FLAG_AR7010 0x01
struct athn_usb_rx_stream usc_rx_stream;
usbd_pipe_handle usc_tx_data_pipe;
usbd_pipe_handle usc_rx_data_pipe;
usbd_pipe_handle usc_rx_intr_pipe;
usbd_pipe_handle usc_tx_intr_pipe;
uint8_t *usc_ibuf;
struct ar_wmi_cmd_reg_write usc_wbuf[AR_MAX_WRITE_COUNT];
int usc_wcount;
int usc_wmi_done;
uint16_t usc_wmi_seq_no;
uint16_t usc_wait_cmd_id;
uint16_t usc_wait_msg_id;
void *usc_obuf;
struct ar_htc_msg_conn_svc_rsp *usc_msg_conn_svc_rsp;
struct athn_usb_host_cmd_ring usc_cmdq;
struct athn_usb_rx_data usc_rx_data[ATHN_USB_RX_LIST_COUNT];
struct athn_usb_tx_data usc_tx_data[ATHN_USB_TX_LIST_COUNT];
TAILQ_HEAD(, athn_usb_tx_data) usc_tx_free_list;
struct athn_usb_tx_data usc_tx_cmd;
struct athn_usb_tx_data *usc_tx_bcn;
uint8_t usc_ep_ctrl;
uint8_t usc_ep_bcn;
uint8_t usc_ep_cab;
uint8_t usc_ep_uapsd;
uint8_t usc_ep_mgmt;
uint8_t usc_ep_data[WME_NUM_AC];
void (*usc_node_cleanup)(struct ieee80211_node *);
};
#endif /* _IF_ATHN_USB_H_ */