Annotation of sys/dev/ic/pgtvar.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: pgtvar.h,v 1.11 2006/10/09 21:04:05 mglocker Exp $ */
! 2:
! 3: /*
! 4: * Copyright (c) 2006 Claudio Jeker <claudio@openbsd.org>
! 5: * Copyright (c) 2006 Marcus Glocker <mglocker@openbsd.org>
! 6: *
! 7: * Permission to use, copy, modify, and distribute this software for any
! 8: * purpose with or without fee is hereby granted, provided that the above
! 9: * copyright notice and this permission notice appear in all copies.
! 10: *
! 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
! 12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
! 14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 15: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
! 16: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
! 17: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 18: */
! 19:
! 20: /*
! 21: * Copyright (c) 2004 Fujitsu Laboratories of America, Inc.
! 22: * Copyright (c) 2004 Brian Fundakowski Feldman
! 23: * All rights reserved.
! 24: *
! 25: * Redistribution and use in source and binary forms, with or without
! 26: * modification, are permitted provided that the following conditions
! 27: * are met:
! 28: * 1. Redistributions of source code must retain the above copyright
! 29: * notice, this list of conditions and the following disclaimer.
! 30: * 2. Redistributions in binary form must reproduce the above copyright
! 31: * notice, this list of conditions and the following disclaimer in the
! 32: * documentation and/or other materials provided with the distribution.
! 33: *
! 34: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
! 35: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 36: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 37: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
! 38: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 39: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 40: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 41: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 42: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 43: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 44: * SUCH DAMAGE.
! 45: */
! 46:
! 47: #ifndef __PGTVAR_H__
! 48: #define __PGTVAR_H__
! 49:
! 50: #define PGT_RX_RADIOTAP_PRESENT \
! 51: ((1 << IEEE80211_RADIOTAP_FLAGS) | \
! 52: (1 << IEEE80211_RADIOTAP_CHANNEL) | \
! 53: (1 << IEEE80211_RADIOTAP_RSSI))
! 54:
! 55: struct pgt_rx_radiotap_hdr {
! 56: struct ieee80211_radiotap_header wr_ihdr;
! 57: uint8_t wr_flags;
! 58: uint16_t wr_chan_freq;
! 59: uint16_t wr_chan_flags;
! 60: uint8_t wr_rssi;
! 61: uint8_t wr_max_rssi;
! 62: } __packed;
! 63:
! 64: #define PGT_TX_RADIOTAP_PRESENT \
! 65: ((1 << IEEE80211_RADIOTAP_FLAGS) | \
! 66: (1 << IEEE80211_RADIOTAP_RATE) | \
! 67: (1 << IEEE80211_RADIOTAP_CHANNEL))
! 68:
! 69: struct pgt_tx_radiotap_hdr {
! 70: struct ieee80211_radiotap_header wt_ihdr;
! 71: uint8_t wt_flags;
! 72: uint8_t wt_rate;
! 73: uint16_t wt_chan_freq;
! 74: uint16_t wt_chan_flags;
! 75: } __packed;
! 76:
! 77: /*
! 78: * The struct pgt_desc is used to either enqueue or dequeue pgt_frags
! 79: * (packets) when either free or in flight.
! 80: */
! 81: struct pgt_desc {
! 82: TAILQ_ENTRY(pgt_desc) pd_link;
! 83: void *pd_mem;
! 84: bus_addr_t pd_dmaaddr;
! 85: bus_dmamap_t pd_dmam;
! 86: bus_dma_segment_t pd_dmas;
! 87: struct pgt_frag *pd_fragp;
! 88: unsigned int pd_fragnum;
! 89: };
! 90: TAILQ_HEAD(pgt_descq, pgt_desc);
! 91:
! 92: /*
! 93: * The struct pgt_mgmt_desc is used to enqueue a management request
! 94: * and await response.
! 95: */
! 96: struct pgt_mgmt_desc {
! 97: TAILQ_ENTRY(pgt_mgmt_desc) pmd_link;
! 98: const void *pmd_sendbuf; /* NULL = get op */
! 99: void *pmd_recvbuf; /* NULL = set op */
! 100: size_t pmd_len;
! 101: uint32_t pmd_oid;
! 102: int pmd_error;
! 103: };
! 104: TAILQ_HEAD(pgt_mgmt_descq, pgt_mgmt_desc);
! 105:
! 106: /*
! 107: * These events are put on the per-device kthread to be
! 108: * able to trigger actions from inside the interrupt; as most
! 109: * operations require waiting for another interrupt for response
! 110: * (that is, management packets), this is common.
! 111: */
! 112: struct pgt_async_trap {
! 113: TAILQ_ENTRY(pgt_async_trap) pa_link;
! 114: struct mbuf *pa_mbuf;
! 115: /* followed by the rest of the mbuf data */
! 116: };
! 117:
! 118: struct pgt_ieee80211_node {
! 119: struct ieee80211_node pin_node;
! 120: enum pin_dot1x_authorization {
! 121: PIN_DOT1X_UNAUTHORIZED,
! 122: PIN_DOT1X_AUTHORIZED
! 123: } pin_dot1x_auth_desired, pin_dot1x_auth;
! 124: uint16_t pin_mlme_state;
! 125: };
! 126:
! 127: struct pgt_softc {
! 128: struct device sc_dev;
! 129: struct ieee80211com sc_ic;
! 130: unsigned int sc_flags;
! 131: #define SC_NEEDS_FIRMWARE 0x00000001 /* do firmware upload on reset */
! 132: #define SC_UNINITIALIZED 0x00000002 /* still awaiting initial intr */
! 133: #define SC_DYING 0x00000004 /* going away */
! 134: #define SC_NEEDS_RESET 0x00000008 /* going to reset when refcnt = 1 */
! 135: #define SC_INTR_RESET 0x00000020 /* interrupt resets at end */
! 136: #define SC_POWERSAVE 0x00000040 /* device is asleep */
! 137: #define SC_NOFREE_ALLNODES 0x00000100 /* do not free assoc w/reinit */
! 138: #define SC_START_DESIRED 0x00000200 /* tried to start during mgmt-crit */
! 139: #define SC_KTHREAD 0x00000400 /* has a kthread around */
! 140: #define SC_ISL3877 0x00000800 /* chipset */
! 141: struct timeout sc_chanscan_timer;
! 142: /* configuration sysctls */
! 143: int sc_dot1x;
! 144: int sc_wds;
! 145: /* cached values */
! 146: int sc_if_flags;
! 147: int16_t sc_80211_ioc_wep;
! 148: int16_t sc_80211_ioc_auth;
! 149: uint32_t sc_noise;
! 150: unsigned int sc_debug;
! 151: #define SC_DEBUG_QUEUES 0x00000001
! 152: #define SC_DEBUG_MGMT 0x00000002
! 153: #define SC_DEBUG_UNEXPECTED 0x00000004
! 154: #define SC_DEBUG_TRIGGER 0x00000008
! 155: #define SC_DEBUG_EVENTS 0x00000010
! 156: #define SC_DEBUG_POWER 0x00000020
! 157: #define SC_DEBUG_TRAP 0x00000040
! 158: #define SC_DEBUG_LINK 0x00000080
! 159: #define SC_DEBUG_RXANNEX 0x00000100
! 160: #define SC_DEBUG_RXFRAG 0x00000200
! 161: #define SC_DEBUG_RXETHER 0x00000400
! 162: bus_space_tag_t sc_iotag;
! 163: bus_space_handle_t sc_iohandle;
! 164: bus_dma_tag_t sc_dmat;
! 165:
! 166: bus_dmamap_t sc_cbdmam;
! 167: bus_dma_segment_t sc_cbdmas;
! 168: struct pgt_control_block *sc_cb; /* DMA-mapped control block */
! 169:
! 170: bus_dmamap_t sc_psmdmam;
! 171: bus_dma_segment_t sc_psmdmas;
! 172: void *sc_psmbuf; /* DMA-mapped psm frame area */
! 173:
! 174: int (*sc_newstate)
! 175: (struct ieee80211com *,
! 176: enum ieee80211_state, int);
! 177:
! 178: int (*sc_enable)(struct pgt_softc *);
! 179: void (*sc_disable)(struct pgt_softc *);
! 180: void (*sc_power)(struct pgt_softc *, int);
! 181: void *sc_shutdown_hook; /* shutdown hook */
! 182: void *sc_power_hook; /* power mgmt hook */
! 183:
! 184: struct pgt_mgmt_descq sc_mgmtinprog;
! 185: struct pgt_descq sc_freeq[PGT_QUEUE_COUNT];
! 186: size_t sc_freeq_count[PGT_QUEUE_COUNT];
! 187: struct pgt_descq sc_dirtyq[PGT_QUEUE_COUNT];
! 188: size_t sc_dirtyq_count[PGT_QUEUE_COUNT];
! 189: int sc_txtimer;
! 190: struct pgt_softc_kthread {
! 191: struct proc *sck_proc;
! 192: int sck_exit, sck_reset, sck_update;
! 193: TAILQ_HEAD(, pgt_async_trap) sck_traps;
! 194: } sc_kthread;
! 195:
! 196: #if NBPFILTER > 0
! 197: caddr_t sc_drvbpf;
! 198:
! 199: union {
! 200: struct pgt_rx_radiotap_hdr th;
! 201: uint8_t pad[64];
! 202: } sc_rxtapu;
! 203: #define sc_rxtap sc_rxtapu.th
! 204: int sc_rxtap_len;
! 205:
! 206: union {
! 207: struct pgt_tx_radiotap_hdr th;
! 208: uint8_t pad[64];
! 209: } sc_txtapu;
! 210: #define sc_txtap sc_txtapu.th
! 211: int sc_txtap_len;
! 212: #endif
! 213: };
! 214:
! 215: int pgt_intr(void *);
! 216: void pgt_attach(void *);
! 217: int pgt_detach(struct pgt_softc *);
! 218:
! 219: static __inline int
! 220: pgt_queue_is_rx(enum pgt_queue pq)
! 221: {
! 222: return (pq == PGT_QUEUE_DATA_LOW_RX ||
! 223: pq == PGT_QUEUE_DATA_HIGH_RX ||
! 224: pq == PGT_QUEUE_MGMT_RX);
! 225: }
! 226:
! 227: static __inline int
! 228: pgt_queue_is_tx(enum pgt_queue pq)
! 229: {
! 230: return (pq == PGT_QUEUE_DATA_LOW_TX ||
! 231: pq == PGT_QUEUE_DATA_HIGH_TX ||
! 232: pq == PGT_QUEUE_MGMT_TX);
! 233: }
! 234:
! 235: static __inline int
! 236: pgt_queue_is_data(enum pgt_queue pq)
! 237: {
! 238: return (pq == PGT_QUEUE_DATA_LOW_RX ||
! 239: pq == PGT_QUEUE_DATA_HIGH_RX ||
! 240: pq == PGT_QUEUE_DATA_LOW_TX ||
! 241: pq == PGT_QUEUE_DATA_HIGH_TX);
! 242: }
! 243:
! 244: static __inline int
! 245: pgt_queue_is_mgmt(enum pgt_queue pq)
! 246: {
! 247: return (pq == PGT_QUEUE_MGMT_RX ||
! 248: pq == PGT_QUEUE_MGMT_TX);
! 249: }
! 250:
! 251: #endif
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