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/* $OpenBSD: if_iwivar.h,v 1.23 2010/09/07 16:21:45 deraadt Exp $ */
/*-
* Copyright (c) 2004-2006
* Damien Bergamini <damien.bergamini@free.fr>. All rights reserved.
*
* 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.
*/
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;
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 sc_flags;
#define IWI_FLAG_FW_INITED (1 << 0)
#define IWI_FLAG_BUSY (1 << 1)
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;
struct workq_task sc_resume_wqt;
#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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