/* $OpenBSD: if_iwivar.h,v 1.18 2006/08/19 12:03:05 damien Exp $ */ /*- * Copyright (c) 2004-2006 * Damien Bergamini <damien.bergamini@free.fr>. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice unmodified, this list of conditions, and the following * disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ struct iwi_rx_radiotap_header { struct ieee80211_radiotap_header wr_ihdr; uint8_t wr_flags; uint8_t wr_rate; uint16_t wr_chan_freq; uint16_t wr_chan_flags; uint8_t wr_antsignal; uint8_t wr_antenna; } __packed; #define IWI_RX_RADIOTAP_PRESENT \ ((1 << IEEE80211_RADIOTAP_FLAGS) | \ (1 << IEEE80211_RADIOTAP_RATE) | \ (1 << IEEE80211_RADIOTAP_CHANNEL) | \ (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) | \ (1 << IEEE80211_RADIOTAP_ANTENNA)) struct iwi_tx_radiotap_header { struct ieee80211_radiotap_header wt_ihdr; uint8_t wt_flags; uint16_t wt_chan_freq; uint16_t wt_chan_flags; } __packed; #define IWI_TX_RADIOTAP_PRESENT \ ((1 << IEEE80211_RADIOTAP_FLAGS) | \ (1 << IEEE80211_RADIOTAP_CHANNEL)) struct iwi_cmd_ring { bus_dmamap_t map; bus_dma_segment_t seg; struct iwi_cmd_desc desc[IWI_CMD_RING_COUNT]; int queued; int cur; int next; }; struct iwi_tx_data { bus_dmamap_t map; struct mbuf *m; struct ieee80211_node *ni; }; struct iwi_tx_ring { bus_dmamap_t map; bus_dma_segment_t seg; bus_size_t csr_ridx; bus_size_t csr_widx; struct iwi_tx_desc *desc; struct iwi_tx_data data[IWI_TX_RING_COUNT]; int queued; int cur; int next; }; struct iwi_rx_data { bus_dmamap_t map; struct mbuf *m; uint32_t reg; }; struct iwi_rx_ring { struct iwi_rx_data data[IWI_RX_RING_COUNT]; int cur; }; struct iwi_softc { struct device sc_dev; struct ieee80211com sc_ic; int (*sc_newstate)(struct ieee80211com *, enum ieee80211_state, int); uint32_t flags; #define IWI_FLAG_FW_INITED (1 << 0) bus_dma_tag_t sc_dmat; struct iwi_cmd_ring cmdq; struct iwi_tx_ring txq[4]; struct iwi_rx_ring rxq; #define IWI_MAX_NODE 32 uint8_t sta[IWI_MAX_NODE][IEEE80211_ADDR_LEN]; uint8_t nsta; bus_space_tag_t sc_st; bus_space_handle_t sc_sh; void *sc_ih; pci_chipset_tag_t sc_pct; pcitag_t sc_pcitag; bus_size_t sc_sz; int sc_tx_timer; void *powerhook; #if NBPFILTER > 0 caddr_t sc_drvbpf; union { struct iwi_rx_radiotap_header th; uint8_t pad[64]; } sc_rxtapu; #define sc_rxtap sc_rxtapu.th int sc_rxtap_len; union { struct iwi_tx_radiotap_header th; uint8_t pad[64]; } sc_txtapu; #define sc_txtap sc_txtapu.th int sc_txtap_len; #endif };