280 lines
6.7 KiB
C
280 lines
6.7 KiB
C
/* $NetBSD: if_otusvar.h,v 1.1 2010/11/03 20:03:02 christos Exp $ */
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/* $OpenBSD: if_otusreg.h,v 1.6 2009/04/06 18:17:01 damien Exp $ */
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/*-
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* Copyright (c) 2009 Damien Bergamini <damien.bergamini@free.fr>
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* Copyright (c) 2007-2008 Atheros Communications, Inc.
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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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#ifndef HAVE_EDCA
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/************************************************************
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* XXX: This block belongs in sys/net80211/ieee80211_var.h.
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*/
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/*
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* EDCA AC parameters.
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*/
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struct ieee80211_edca_ac_params {
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u_int8_t ac_ecwmin; /* CWmin = 2^ECWmin - 1 */
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u_int8_t ac_ecwmax; /* CWmax = 2^ECWmax - 1 */
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u_int8_t ac_aifsn;
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u_int16_t ac_txoplimit; /* 32TU */
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u_int8_t ac_acm;
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};
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/************************************************************/
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#endif /* ! HAVE_EDCA */
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#ifndef HAVE_EDCA
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/************************************************************
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* XXX: This block belongs in sys/net80211/ieee80211.h.
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*/
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/*
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* EDCA Access Categories.
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*/
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enum ieee80211_edca_ac {
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EDCA_AC_BK = 1, /* Background */
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EDCA_AC_BE = 0, /* Best Effort */
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EDCA_AC_VI = 2, /* Video */
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EDCA_AC_VO = 3 /* Voice */
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};
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#define EDCA_NUM_AC 4
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/* XXX: OpenBSD has more of these defined with the standard referenced */
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#define IEEE80211_QOS_ACK_POLICY_NOACK 0x0020
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#define IEEE80211_QOS_ACK_POLICY_MASK 0x0060
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static __inline int
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ieee80211_has_addr4(const struct ieee80211_frame *wh)
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{
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return (wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) ==
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IEEE80211_FC1_DIR_DSTODS;
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}
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static __inline int
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ieee80211_has_qos(const struct ieee80211_frame *wh)
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{
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return (wh->i_fc[0] &
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(IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) ==
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(IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS);
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}
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static __inline u_int16_t
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ieee80211_get_qos(const struct ieee80211_frame *wh)
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{
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const u_int8_t *frm;
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if (ieee80211_has_addr4(wh))
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frm = ((const struct ieee80211_qosframe_addr4 *)wh)->i_qos;
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else
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frm = ((const struct ieee80211_qosframe *)wh)->i_qos;
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return le16toh(*(const u_int16_t *)frm);
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}
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/************************************************************/
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#endif /* ! HAVE_EDCA */
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/* Default EDCA parameters for when QoS is disabled. */
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static const struct ieee80211_edca_ac_params otus_edca_def[] = {
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{ 4, 10, 3, 0, 0 },
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{ 4, 10, 7, 0, 0 },
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{ 3, 4, 2, 94, 0 },
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{ 2, 3, 2, 47, 0 }
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};
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#define OTUS_TX_DATA_LIST_COUNT 8
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#define OTUS_RX_DATA_LIST_COUNT 1
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#define OTUS_CMD_TIMEOUT 1000
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#define OTUS_TX_TIMEOUT 1000
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#define OTUS_UID(aid) (IEEE80211_AID(aid) + 4)
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#define OTUS_MAX_TXCMDSZ 64
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#define OTUS_RXBUFSZ (8 * 1024)
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#define OTUS_TXBUFSZ (4 * 1024)
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#define OTUS_RIDX_CCK1 0
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#define OTUS_RIDX_OFDM6 4
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#define OTUS_RIDX_OFDM24 8
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#define OTUS_RIDX_MAX 11
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static const struct otus_rate {
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uint8_t rate;
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uint8_t mcs;
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} otus_rates[] = {
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{ 2, 0x0 },
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{ 4, 0x1 },
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{ 11, 0x2 },
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{ 22, 0x3 },
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{ 12, 0xb },
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{ 18, 0xf },
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{ 24, 0xa },
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{ 36, 0xe },
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{ 48, 0x9 },
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{ 72, 0xd },
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{ 96, 0x8 },
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{ 108, 0xc }
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};
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struct otus_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_antsignal;
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} __packed;
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#define OTUS_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_DB_ANTSIGNAL)
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struct otus_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 OTUS_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 otus_softc;
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struct otus_tx_cmd {
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usbd_xfer_handle xfer;
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uint8_t *buf;
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void *odata;
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uint16_t token;
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uint8_t done;
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};
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struct otus_rx_data {
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struct otus_softc *sc;
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usbd_xfer_handle xfer;
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uint8_t *buf;
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};
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struct otus_tx_data {
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struct otus_softc *sc;
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usbd_xfer_handle xfer;
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uint8_t *buf;
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};
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struct otus_host_cmd {
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void (*cb)(struct otus_softc *, void *);
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uint8_t data[256];
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};
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#define OTUS_HOST_CMD_RING_COUNT 32
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struct otus_host_cmd_ring {
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struct otus_host_cmd cmd[OTUS_HOST_CMD_RING_COUNT];
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int cur;
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int next;
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int queued;
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};
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struct otus_node {
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struct ieee80211_node ni; /* must be first */
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struct ieee80211_amrr_node amn;
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uint8_t ridx[IEEE80211_RATE_MAXSIZE];
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};
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struct otus_cmd_newstate {
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enum ieee80211_state state;
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int arg;
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};
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struct otus_cmd_key {
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struct ieee80211_key key;
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uint16_t associd;
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};
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struct otus_softc {
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device_t sc_dev;
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struct ieee80211com sc_ic;
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struct ethercom sc_ec;
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#define sc_if sc_ec.ec_if
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int (*sc_newstate)(struct ieee80211com *,
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enum ieee80211_state, int);
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void (*sc_led_newstate)(struct otus_softc *);
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usbd_device_handle sc_udev;
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usbd_interface_handle sc_iface;
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struct ar5416eeprom sc_eeprom;
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uint8_t sc_capflags;
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uint8_t sc_rxmask;
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uint8_t sc_txmask;
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usbd_pipe_handle sc_data_tx_pipe;
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usbd_pipe_handle sc_data_rx_pipe;
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usbd_pipe_handle sc_cmd_tx_pipe;
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usbd_pipe_handle sc_cmd_rx_pipe;
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uint8_t *sc_ibuf;
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int sc_if_flags;
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int sc_tx_timer;
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int sc_fixed_ridx;
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int sc_bb_reset;
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struct ieee80211_channel *sc_curchan;
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struct usb_task sc_task;
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callout_t sc_scan_to;
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callout_t sc_calib_to;
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struct ieee80211_amrr sc_amrr;
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unsigned int sc_write_idx;
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int sc_tx_cur;
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int sc_tx_queued;
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uint32_t sc_led_state;
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kmutex_t sc_cmd_mtx;
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kmutex_t sc_task_mtx;
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kmutex_t sc_write_mtx;
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const uint32_t *sc_phy_vals;
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struct {
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uint32_t reg;
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uint32_t val;
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} __packed sc_write_buf[AR_FW_MAX_WRITES];
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struct otus_host_cmd_ring sc_cmdq;
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struct otus_tx_cmd sc_tx_cmd;
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struct otus_tx_data sc_tx_data[OTUS_TX_DATA_LIST_COUNT];
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struct otus_rx_data sc_rx_data[OTUS_RX_DATA_LIST_COUNT];
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struct bpf_if * sc_drvbpf;
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union {
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struct otus_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 otus_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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