170 lines
4.6 KiB
C
170 lines
4.6 KiB
C
/* $FreeBSD$ */
|
|
|
|
/*-
|
|
* Copyright (c) 2004-2006
|
|
* Damien Bergamini <damien.bergamini@free.fr>. 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 unmodified, 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.
|
|
*/
|
|
|
|
#define IPW_MAX_NSEG 1
|
|
|
|
struct ipw_soft_bd {
|
|
struct ipw_bd *bd;
|
|
int type;
|
|
#define IPW_SBD_TYPE_NOASSOC 0
|
|
#define IPW_SBD_TYPE_COMMAND 1
|
|
#define IPW_SBD_TYPE_HEADER 2
|
|
#define IPW_SBD_TYPE_DATA 3
|
|
void *priv;
|
|
};
|
|
|
|
struct ipw_soft_hdr {
|
|
struct ipw_hdr hdr;
|
|
bus_dmamap_t map;
|
|
SLIST_ENTRY(ipw_soft_hdr) next;
|
|
};
|
|
|
|
struct ipw_soft_buf {
|
|
struct mbuf *m;
|
|
struct ieee80211_node *ni;
|
|
bus_dmamap_t map;
|
|
SLIST_ENTRY(ipw_soft_buf) next;
|
|
};
|
|
|
|
struct ipw_rx_radiotap_header {
|
|
struct ieee80211_radiotap_header wr_ihdr;
|
|
uint8_t wr_flags;
|
|
uint16_t wr_chan_freq;
|
|
uint16_t wr_chan_flags;
|
|
int8_t wr_antsignal;
|
|
int8_t wr_antnoise;
|
|
};
|
|
|
|
#define IPW_RX_RADIOTAP_PRESENT \
|
|
((1 << IEEE80211_RADIOTAP_FLAGS) | \
|
|
(1 << IEEE80211_RADIOTAP_CHANNEL) | \
|
|
(1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) | \
|
|
(1 << IEEE80211_RADIOTAP_DB_ANTNOISE))
|
|
|
|
struct ipw_tx_radiotap_header {
|
|
struct ieee80211_radiotap_header wt_ihdr;
|
|
uint8_t wt_flags;
|
|
uint16_t wt_chan_freq;
|
|
uint16_t wt_chan_flags;
|
|
};
|
|
|
|
#define IPW_TX_RADIOTAP_PRESENT \
|
|
((1 << IEEE80211_RADIOTAP_FLAGS) | \
|
|
(1 << IEEE80211_RADIOTAP_CHANNEL))
|
|
|
|
struct ipw_vap {
|
|
struct ieee80211vap vap;
|
|
|
|
int (*newstate)(struct ieee80211vap *,
|
|
enum ieee80211_state, int);
|
|
};
|
|
#define IPW_VAP(vap) ((struct ipw_vap *)(vap))
|
|
|
|
struct ipw_softc {
|
|
struct ifnet *sc_ifp;
|
|
device_t sc_dev;
|
|
|
|
struct mtx sc_mtx;
|
|
struct task sc_init_task;
|
|
struct callout sc_wdtimer; /* watchdog timer */
|
|
|
|
uint32_t flags;
|
|
#define IPW_FLAG_FW_INITED 0x0001
|
|
#define IPW_FLAG_INIT_LOCKED 0x0002
|
|
#define IPW_FLAG_HAS_RADIO_SWITCH 0x0004
|
|
#define IPW_FLAG_HACK 0x0008
|
|
#define IPW_FLAG_SCANNING 0x0010
|
|
#define IPW_FLAG_ENABLED 0x0020
|
|
#define IPW_FLAG_BUSY 0x0040
|
|
#define IPW_FLAG_ASSOCIATING 0x0080
|
|
#define IPW_FLAG_ASSOCIATED 0x0100
|
|
|
|
int irq_rid;
|
|
int mem_rid;
|
|
struct resource *irq;
|
|
struct resource *mem;
|
|
bus_space_tag_t sc_st;
|
|
bus_space_handle_t sc_sh;
|
|
void *sc_ih;
|
|
const struct firmware *sc_firmware;
|
|
|
|
int sc_tx_timer;
|
|
int sc_scan_timer;
|
|
|
|
bus_dma_tag_t tbd_dmat;
|
|
bus_dma_tag_t rbd_dmat;
|
|
bus_dma_tag_t status_dmat;
|
|
bus_dma_tag_t cmd_dmat;
|
|
bus_dma_tag_t hdr_dmat;
|
|
bus_dma_tag_t txbuf_dmat;
|
|
bus_dma_tag_t rxbuf_dmat;
|
|
|
|
bus_dmamap_t tbd_map;
|
|
bus_dmamap_t rbd_map;
|
|
bus_dmamap_t status_map;
|
|
bus_dmamap_t cmd_map;
|
|
|
|
bus_addr_t tbd_phys;
|
|
bus_addr_t rbd_phys;
|
|
bus_addr_t status_phys;
|
|
|
|
struct ipw_bd *tbd_list;
|
|
struct ipw_bd *rbd_list;
|
|
struct ipw_status *status_list;
|
|
|
|
struct ipw_cmd cmd;
|
|
struct ipw_soft_bd stbd_list[IPW_NTBD];
|
|
struct ipw_soft_buf tx_sbuf_list[IPW_NDATA];
|
|
struct ipw_soft_hdr shdr_list[IPW_NDATA];
|
|
struct ipw_soft_bd srbd_list[IPW_NRBD];
|
|
struct ipw_soft_buf rx_sbuf_list[IPW_NRBD];
|
|
|
|
SLIST_HEAD(, ipw_soft_hdr) free_shdr;
|
|
SLIST_HEAD(, ipw_soft_buf) free_sbuf;
|
|
|
|
uint32_t table1_base;
|
|
uint32_t table2_base;
|
|
|
|
uint32_t txcur;
|
|
uint32_t txold;
|
|
uint32_t rxcur;
|
|
int txfree;
|
|
|
|
struct ipw_rx_radiotap_header sc_rxtap;
|
|
struct ipw_tx_radiotap_header sc_txtap;
|
|
};
|
|
|
|
/*
|
|
* NB.: This models the only instance of async locking in ipw_init_locked
|
|
* and must be kept in sync.
|
|
*/
|
|
#define IPW_LOCK(sc) mtx_lock(&sc->sc_mtx);
|
|
#define IPW_UNLOCK(sc) mtx_unlock(&sc->sc_mtx);
|
|
#define IPW_LOCK_ASSERT(sc) mtx_assert(&(sc)->sc_mtx, MA_OWNED)
|