162 lines
4.2 KiB
C
162 lines
4.2 KiB
C
/* $FreeBSD$ */
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/*-
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* Copyright (c) 2004-2006
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* Damien Bergamini <damien.bergamini@free.fr>. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#define IPW_MAX_NSEG 1
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struct ipw_soft_bd {
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struct ipw_bd *bd;
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int type;
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#define IPW_SBD_TYPE_NOASSOC 0
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#define IPW_SBD_TYPE_COMMAND 1
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#define IPW_SBD_TYPE_HEADER 2
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#define IPW_SBD_TYPE_DATA 3
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void *priv;
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};
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struct ipw_soft_hdr {
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struct ipw_hdr hdr;
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bus_dmamap_t map;
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SLIST_ENTRY(ipw_soft_hdr) next;
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};
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struct ipw_soft_buf {
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struct mbuf *m;
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struct ieee80211_node *ni;
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bus_dmamap_t map;
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SLIST_ENTRY(ipw_soft_buf) next;
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};
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struct ipw_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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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 IPW_RX_RADIOTAP_PRESENT \
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((1 << IEEE80211_RADIOTAP_FLAGS) | \
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(1 << IEEE80211_RADIOTAP_CHANNEL) | \
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(1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))
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struct ipw_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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uint16_t wt_chan_freq;
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uint16_t wt_chan_flags;
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};
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#define IPW_TX_RADIOTAP_PRESENT \
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((1 << IEEE80211_RADIOTAP_FLAGS) | \
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(1 << IEEE80211_RADIOTAP_CHANNEL))
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struct ipw_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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struct mtx sc_mtx;
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struct task sc_init_task;
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uint32_t flags;
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#define IPW_FLAG_FW_INITED (1 << 0)
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#define IPW_FLAG_INIT_LOCKED (1 << 1)
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#define IPW_FLAG_HAS_RADIO_SWITCH (1 << 2)
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#define IPW_FLAG_FW_WARNED (1 << 3)
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int irq_rid;
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int mem_rid;
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struct resource *irq;
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struct resource *mem;
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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_ih;
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int sc_tx_timer;
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bus_dma_tag_t tbd_dmat;
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bus_dma_tag_t rbd_dmat;
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bus_dma_tag_t status_dmat;
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bus_dma_tag_t cmd_dmat;
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bus_dma_tag_t hdr_dmat;
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bus_dma_tag_t txbuf_dmat;
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bus_dma_tag_t rxbuf_dmat;
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bus_dmamap_t tbd_map;
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bus_dmamap_t rbd_map;
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bus_dmamap_t status_map;
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bus_dmamap_t cmd_map;
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bus_addr_t tbd_phys;
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bus_addr_t rbd_phys;
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bus_addr_t status_phys;
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struct ipw_bd *tbd_list;
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struct ipw_bd *rbd_list;
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struct ipw_status *status_list;
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struct ipw_cmd cmd;
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struct ipw_soft_bd stbd_list[IPW_NTBD];
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struct ipw_soft_buf tx_sbuf_list[IPW_NDATA];
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struct ipw_soft_hdr shdr_list[IPW_NDATA];
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struct ipw_soft_bd srbd_list[IPW_NRBD];
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struct ipw_soft_buf rx_sbuf_list[IPW_NRBD];
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SLIST_HEAD(, ipw_soft_hdr) free_shdr;
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SLIST_HEAD(, ipw_soft_buf) free_sbuf;
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uint32_t table1_base;
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uint32_t table2_base;
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uint32_t txcur;
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uint32_t txold;
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uint32_t rxcur;
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int txfree;
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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 ipw_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 ipw_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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