173 lines
3.8 KiB
C
173 lines
3.8 KiB
C
/* $FreeBSD$ */
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/*-
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* Copyright (c) 2005
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* Damien Bergamini <damien.bergamini@free.fr>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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struct rt2661_rx_radiotap_header {
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struct ieee80211_radiotap_header wr_ihdr;
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uint64_t wr_tsf;
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uint8_t wr_flags;
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uint8_t wr_rate;
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uint16_t wr_chan_freq;
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uint16_t wr_chan_flags;
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uint8_t wr_antsignal;
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} __packed;
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#define RT2661_RX_RADIOTAP_PRESENT \
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((1 << IEEE80211_RADIOTAP_TSFT) | \
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(1 << IEEE80211_RADIOTAP_FLAGS) | \
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(1 << IEEE80211_RADIOTAP_RATE) | \
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(1 << IEEE80211_RADIOTAP_CHANNEL) | \
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(1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))
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struct rt2661_tx_radiotap_header {
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struct ieee80211_radiotap_header wt_ihdr;
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uint8_t wt_flags;
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uint8_t wt_rate;
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uint16_t wt_chan_freq;
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uint16_t wt_chan_flags;
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} __packed;
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#define RT2661_TX_RADIOTAP_PRESENT \
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((1 << IEEE80211_RADIOTAP_FLAGS) | \
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(1 << IEEE80211_RADIOTAP_RATE) | \
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(1 << IEEE80211_RADIOTAP_CHANNEL))
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struct rt2661_tx_data {
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bus_dmamap_t map;
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struct mbuf *m;
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struct ieee80211_node *ni;
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struct ral_rssdesc id;
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};
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struct rt2661_tx_ring {
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bus_dma_tag_t desc_dmat;
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bus_dma_tag_t data_dmat;
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bus_dmamap_t desc_map;
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bus_addr_t physaddr;
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struct rt2661_tx_desc *desc;
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struct rt2661_tx_data *data;
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int count;
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int queued;
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int cur;
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int next;
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int stat;
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};
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struct rt2661_rx_data {
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bus_dmamap_t map;
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struct mbuf *m;
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};
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struct rt2661_rx_ring {
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bus_dma_tag_t desc_dmat;
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bus_dma_tag_t data_dmat;
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bus_dmamap_t desc_map;
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bus_addr_t physaddr;
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struct rt2661_rx_desc *desc;
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struct rt2661_rx_data *data;
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int count;
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int cur;
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int next;
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};
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struct rt2661_node {
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struct ieee80211_node ni;
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struct ral_rssadapt rssadapt;
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};
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struct rt2661_softc {
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struct ifnet *sc_ifp;
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struct ieee80211com sc_ic;
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int (*sc_newstate)(struct ieee80211com *,
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enum ieee80211_state, int);
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device_t sc_dev;
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bus_space_tag_t sc_st;
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bus_space_handle_t sc_sh;
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struct mtx sc_mtx;
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struct callout watchdog_ch;
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struct callout scan_ch;
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struct callout rssadapt_ch;
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int sc_tx_timer;
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struct ieee80211_channel *sc_curchan;
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uint8_t rf_rev;
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uint8_t rfprog;
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uint8_t rffreq;
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struct rt2661_tx_ring txq[4];
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struct rt2661_tx_ring mgtq;
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struct rt2661_rx_ring rxq;
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uint32_t rf_regs[4];
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int8_t txpow[38];
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struct {
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uint8_t reg;
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uint8_t val;
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} bbp_prom[16];
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int hw_radio;
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int rx_ant;
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int tx_ant;
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int nb_ant;
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int ext_2ghz_lna;
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int ext_5ghz_lna;
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int rssi_2ghz_corr;
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int rssi_5ghz_corr;
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uint8_t bbp18;
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uint8_t bbp21;
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uint8_t bbp22;
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uint8_t bbp16;
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uint8_t bbp17;
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uint8_t bbp64;
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int dwelltime;
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struct bpf_if *sc_drvbpf;
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union {
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struct rt2661_rx_radiotap_header th;
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uint8_t pad[64];
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} sc_rxtapu;
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#define sc_rxtap sc_rxtapu.th
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int sc_rxtap_len;
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union {
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struct rt2661_tx_radiotap_header th;
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uint8_t pad[64];
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} sc_txtapu;
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#define sc_txtap sc_txtapu.th
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int sc_txtap_len;
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};
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int rt2661_attach(device_t, int);
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int rt2661_detach(void *);
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void rt2661_shutdown(void *);
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void rt2661_suspend(void *);
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void rt2661_resume(void *);
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void rt2661_intr(void *);
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#define RAL_LOCK(sc) mtx_lock(&(sc)->sc_mtx)
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#define RAL_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx)
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