66c6c27e11
o Include rate in the Rx radiotap code. o Fix RSSI value in the Rx path. o Minor tweaks.
157 lines
3.5 KiB
C
157 lines
3.5 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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#define RAL_RX_LIST_COUNT 1
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#define RAL_TX_LIST_COUNT 1
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struct ural_rx_radiotap_header {
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struct ieee80211_radiotap_header wr_ihdr;
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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_antenna;
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uint8_t wr_antsignal;
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};
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#define RAL_RX_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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(1 << IEEE80211_RADIOTAP_ANTENNA) | \
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(1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))
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struct ural_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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uint8_t wt_antenna;
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};
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#define RAL_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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(1 << IEEE80211_RADIOTAP_ANTENNA))
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struct ural_softc;
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struct ural_tx_data {
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struct ural_softc *sc;
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usbd_xfer_handle xfer;
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uint8_t *buf;
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struct mbuf *m;
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struct ieee80211_node *ni;
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};
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struct ural_rx_data {
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struct ural_softc *sc;
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usbd_xfer_handle xfer;
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uint8_t *buf;
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struct mbuf *m;
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};
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struct ural_amrr {
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int txcnt;
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int retrycnt;
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int success;
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int success_threshold;
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int recovery;
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};
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struct ural_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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USBBASEDEVICE sc_dev;
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usbd_device_handle sc_udev;
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usbd_interface_handle sc_iface;
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int sc_rx_no;
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int sc_tx_no;
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uint32_t asic_rev;
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uint8_t rf_rev;
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usbd_xfer_handle amrr_xfer;
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usbd_pipe_handle sc_rx_pipeh;
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usbd_pipe_handle sc_tx_pipeh;
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enum ieee80211_state sc_state;
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struct usb_task sc_task;
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struct ural_amrr amrr;
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struct ural_rx_data rx_data[RAL_RX_LIST_COUNT];
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struct ural_tx_data tx_data[RAL_TX_LIST_COUNT];
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int tx_queued;
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struct ieee80211_beacon_offsets sc_bo;
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struct mtx sc_mtx;
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struct callout scan_ch;
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struct callout amrr_ch;
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int sc_tx_timer;
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uint16_t sta[11];
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uint32_t rf_regs[4];
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uint8_t txpow[14];
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struct {
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uint8_t val;
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uint8_t reg;
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} __packed bbp_prom[16];
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int led_mode;
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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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struct bpf_if *sc_drvbpf;
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union {
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struct ural_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 ural_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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#if 0
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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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#else
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#define RAL_LOCK(sc) do { ((sc) = (sc)); mtx_lock(&Giant); } while (0)
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#define RAL_UNLOCK(sc) mtx_unlock(&Giant)
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#endif
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