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/* $OpenBSD: if_iwivar.h,v 1.18 2006/08/19 12:03:05 damien Exp $ */
/*-
* 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.
*/
struct iwi_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_antsignal;
uint8_t wr_antenna;
} __packed;
#define IWI_RX_RADIOTAP_PRESENT \
((1 << IEEE80211_RADIOTAP_FLAGS) | \
(1 << IEEE80211_RADIOTAP_RATE) | \
(1 << IEEE80211_RADIOTAP_CHANNEL) | \
(1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) | \
(1 << IEEE80211_RADIOTAP_ANTENNA))
struct iwi_tx_radiotap_header {
struct ieee80211_radiotap_header wt_ihdr;
uint8_t wt_flags;
uint16_t wt_chan_freq;
uint16_t wt_chan_flags;
} __packed;
#define IWI_TX_RADIOTAP_PRESENT \
((1 << IEEE80211_RADIOTAP_FLAGS) | \
(1 << IEEE80211_RADIOTAP_CHANNEL))
struct iwi_cmd_ring {
bus_dmamap_t map;
bus_dma_segment_t seg;
struct iwi_cmd_desc desc[IWI_CMD_RING_COUNT];
int queued;
int cur;
int next;
};
struct iwi_tx_data {
bus_dmamap_t map;
struct mbuf *m;
struct ieee80211_node *ni;
};
struct iwi_tx_ring {
bus_dmamap_t map;
bus_dma_segment_t seg;
bus_size_t csr_ridx;
bus_size_t csr_widx;
struct iwi_tx_desc *desc;
struct iwi_tx_data data[IWI_TX_RING_COUNT];
int queued;
int cur;
int next;
};
struct iwi_rx_data {
bus_dmamap_t map;
struct mbuf *m;
uint32_t reg;
};
struct iwi_rx_ring {
struct iwi_rx_data data[IWI_RX_RING_COUNT];
int cur;
};
struct iwi_softc {
struct device sc_dev;
struct ieee80211com sc_ic;
int (*sc_newstate)(struct ieee80211com *,
enum ieee80211_state, int);
uint32_t flags;
#define IWI_FLAG_FW_INITED (1 << 0)
bus_dma_tag_t sc_dmat;
struct iwi_cmd_ring cmdq;
struct iwi_tx_ring txq[4];
struct iwi_rx_ring rxq;
#define IWI_MAX_NODE 32
uint8_t sta[IWI_MAX_NODE][IEEE80211_ADDR_LEN];
uint8_t nsta;
bus_space_tag_t sc_st;
bus_space_handle_t sc_sh;
void *sc_ih;
pci_chipset_tag_t sc_pct;
pcitag_t sc_pcitag;
bus_size_t sc_sz;
int sc_tx_timer;
void *powerhook;
#if NBPFILTER > 0
caddr_t sc_drvbpf;
union {
struct iwi_rx_radiotap_header th;
uint8_t pad[64];
} sc_rxtapu;
#define sc_rxtap sc_rxtapu.th
int sc_rxtap_len;
union {
struct iwi_tx_radiotap_header th;
uint8_t pad[64];
} sc_txtapu;
#define sc_txtap sc_txtapu.th
int sc_txtap_len;
#endif
};
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