49e1839354
and all the structures that include it. this should not change anything while avoiding packed vs alignment warnings from GCC 8, and potentially pessimised code generation due to the packed marker (there are no misaligned members, just that the per-device parts may end unaligned.) all consumers of these members are done from the properly aligned packet members directly, or, as a union with a 64 byte member, also properly aligned. codegen didn't appear to change, except for the definition of sizeof(struct driver_[rt]x_radiotap_header) in debug info, which is not directly used anywhere.
184 lines
4.0 KiB
C
184 lines
4.0 KiB
C
/* $NetBSD: rt2661var.h,v 1.13 2019/10/05 23:27:20 mrg Exp $ */
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/* $OpenBSD: rt2661var.h,v 1.4 2006/02/25 12:56:47 damien Exp $ */
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/*-
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* Copyright (c) 2006
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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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};
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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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};
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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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};
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struct rt2661_tx_ring {
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bus_dmamap_t map;
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bus_dma_segment_t seg;
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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_dmamap_t map;
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bus_dma_segment_t seg;
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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 ieee80211_amrr_node amn;
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};
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struct rt2661_softc {
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device_t sc_dev;
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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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int (*sc_enable)(struct rt2661_softc *);
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void (*sc_disable)(struct rt2661_softc *);
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bus_dma_tag_t sc_dmat;
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bus_space_tag_t sc_st;
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bus_space_handle_t sc_sh;
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void *sc_soft_ih;
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struct ethercom sc_ec;
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struct callout scan_ch;
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struct callout amrr_ch;
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int sc_id;
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int sc_flags;
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#define RT2661_ENABLED (1 << 0)
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#define RT2661_FWLOADED (1 << 1)
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#define RT2661_UPDATE_SLOT (1 << 2)
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#define RT2661_SET_SLOTTIME (1 << 3)
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int sc_tx_timer;
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struct ieee80211_channel *sc_curchan;
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struct ieee80211_amrr amrr;
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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[5];
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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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int ncalls;
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int avg_rssi;
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int sifs;
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uint32_t erp_csr;
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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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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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#define sc_if sc_ec.ec_if
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int rt2661_attach(void *, int);
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int rt2661_detach(void *);
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int rt2661_intr(void *);
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