362 lines
12 KiB
C
362 lines
12 KiB
C
/*-
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* Copyright (C) 2000
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* Dr. Duncan McLennan Barclay, dmlb@ragnet.demon.co.uk.
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*
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* 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, this list of conditions and the following 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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* 3. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY DUNCAN BARCLAY 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 DUNCAN BARCLAY 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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* $FreeBSD$
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*
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*/
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/*
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* Network parameters, used twice in softc to store what we want and what
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* we have.
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*
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* The current parameters are ONLY valid in a function called from the runq
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* and should not be accessed directly from ioctls.
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*/
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struct ray_nw_param {
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struct ray_cmd_net p_1;
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struct ray_net_params \
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p_2;
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u_int8_t np_ap_status;
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int np_promisc; /* Promiscious mode status */
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int np_framing; /* Packet framing types */
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int np_auth; /* Authentication status */
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int np_havenet; /* True if we have a network */
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};
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#define np_upd_param p_1.c_upd_param
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#define np_bss_id p_1.c_bss_id
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#define np_inited p_1.c_inited
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#define np_def_txrate p_1.c_def_txrate
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#define np_encrypt p_1.c_encrypt
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#define np_net_type p_2.p_net_type
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#define np_ssid p_2.p_ssid
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#define np_priv_start p_2.p_privacy_must_start
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#define np_priv_join p_2.p_privacy_can_join
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/*
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* One of these structures per allocated device
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*/
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struct ray_softc {
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device_t dev; /* Device */
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struct ifnet *ifp; /* Ethernet common */
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struct callout_handle
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tx_timerh; /* Handle for tx timer */
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struct callout_handle
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com_timerh; /* Handle for command timer */
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bus_space_tag_t am_bst; /* Bus space tag for attribute memory */
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bus_space_handle_t am_bsh; /* Bus space handle for attribute mem */
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int am_rid; /* Resource id for attribute memory */
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struct resource* am_res; /* Resource for attribute memory */
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bus_space_tag_t cm_bst; /* Bus space tag for common memory */
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bus_space_handle_t cm_bsh; /* Bus space handle for common memory */
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int cm_rid; /* Resource id for common memory */
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struct resource* cm_res; /* Resource for common memory */
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int irq_rid; /* Resource id for irq */
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struct resource* irq_res; /* Resource for irq */
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void * irq_handle; /* Handle for irq handler */
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u_int8_t sc_ccsinuse[64];/* ccss' in use -- not for tx */
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u_char sc_gone; /* 1 = Card bailed out */
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struct ray_ecf_startup_v5
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sc_ecf_startup; /* Startup info from card */
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TAILQ_HEAD(ray_comq, ray_comq_entry)
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sc_comq; /* Command queue */
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struct ray_nw_param sc_c; /* current network params */
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struct ray_nw_param sc_d; /* desired network params */
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int sc_checkcounters;
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u_int64_t sc_rxoverflow; /* Number of rx overflows */
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u_int64_t sc_rxcksum; /* Number of checksum errors */
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u_int64_t sc_rxhcksum; /* Number of header checksum errors */
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u_int8_t sc_rxnoise; /* Average receiver level */
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struct ray_siglev sc_siglevs[RAY_NSIGLEVRECS]; /* Antenna/levels */
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};
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#define sc_station_addr sc_ecf_startup.e_station_addr
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#define sc_version sc_ecf_startup.e_fw_build_string
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#define sc_tibsize sc_ecf_startup.e_tibsize
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/*
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* Command queue definitions
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*/
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typedef void (*ray_comqfn_t)(struct ray_softc *sc, struct ray_comq_entry *com);
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struct ray_comq_entry {
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TAILQ_ENTRY(ray_comq_entry) c_chain; /* Tail queue. */
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ray_comqfn_t c_function; /* Function to call */
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int c_flags; /* Flags */
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u_int8_t c_retval; /* Return value */
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void *c_wakeup; /* Sleeping on this */
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size_t c_ccs; /* CCS structure */
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struct ray_nw_param
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c_desired; /* network settings */
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struct ray_param_req
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*c_pr; /* MIB report/update */
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char *c_mesg;
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};
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/*
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* Macro's and constants
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*/
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static int mib_info[RAY_MIB_MAX+1][3] = RAY_MIB_INFO;
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/* Indirections for reading/writing memory - from NetBSD/if_ray.c */
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#ifndef offsetof
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#define offsetof(type, member) \
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((size_t)(&((type *)0)->member))
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#endif /* offsetof */
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#define ATTR_READ_1(sc, off) \
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((u_int8_t)bus_space_read_1((sc)->am_bst, (sc)->am_bsh, (off)))
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#define ATTR_WRITE_1(sc, off, val) \
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bus_space_write_1((sc)->am_bst, (sc)->am_bsh, (off), (val))
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#define SRAM_READ_1(sc, off) \
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((u_int8_t)bus_space_read_1((sc)->cm_bst, (sc)->cm_bsh, (off)))
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#define SRAM_READ_REGION(sc, off, p, n) \
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bus_space_read_region_1((sc)->cm_bst, (sc)->cm_bsh, (off), (void *)(p), (n))
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#define SRAM_READ_FIELD_1(sc, off, s, f) \
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SRAM_READ_1((sc), (off) + offsetof(struct s, f))
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#define SRAM_READ_FIELD_2(sc, off, s, f) \
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((((u_int16_t)SRAM_READ_1((sc), (off) + offsetof(struct s, f)) << 8) \
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|(SRAM_READ_1((sc), (off) + 1 + offsetof(struct s, f)))))
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#define SRAM_READ_FIELD_N(sc, off, s, f, p, n) \
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SRAM_READ_REGION((sc), (off) + offsetof(struct s, f), (p), (n))
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#define SRAM_WRITE_1(sc, off, val) \
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bus_space_write_1((sc)->cm_bst, (sc)->cm_bsh, (off), (val))
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#define SRAM_WRITE_REGION(sc, off, p, n) \
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bus_space_write_region_1((sc)->cm_bst, (sc)->cm_bsh, (off), (void *)(p), (n))
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#define SRAM_WRITE_FIELD_1(sc, off, s, f, v) \
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SRAM_WRITE_1((sc), (off) + offsetof(struct s, f), (v))
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#define SRAM_WRITE_FIELD_2(sc, off, s, f, v) do { \
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SRAM_WRITE_1((sc), (off) + offsetof(struct s, f), (((v) >> 8 ) & 0xff)); \
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SRAM_WRITE_1((sc), (off) + 1 + offsetof(struct s, f), ((v) & 0xff)); \
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} while (0)
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#define SRAM_WRITE_FIELD_N(sc, off, s, f, p, n) \
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SRAM_WRITE_REGION((sc), (off) + offsetof(struct s, f), (p), (n))
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/* Framing types */
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/* XXX maybe better as part of the if structure? */
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#define RAY_FRAMING_ENCAPSULATION 0
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#define RAY_FRAMING_TRANSLATION 1
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/* Authentication states */
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#define RAY_AUTH_UNAUTH 0
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#define RAY_AUTH_WAITING 1
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#define RAY_AUTH_AUTH 2
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#define RAY_AUTH_NEEDED 3
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/* Flags for runq entries */
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#define RAY_COM_FWOK 0x0001 /* Wakeup on completion */
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#define RAY_COM_FRUNNING 0x0002 /* This one running */
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#define RAY_COM_FCOMPLETED 0x0004 /* This one completed */
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#define RAY_COM_FWAIT 0x0008 /* Do not run the queue */
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#define RAY_COM_FCHKRUNNING 0x0010 /* Check IFF_DRV_RUNNING*/
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#define RAY_COM_FDETACHED 0x0020 /* Card is gone */
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#define RAY_COM_FWOKEN 0x0040 /* Woken by detach */
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#define RAY_COM_FLAGS_PRINTFB \
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"\020" \
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"\001WOK" \
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"\002RUNNING" \
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"\003COMPLETED" \
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"\004WAIT" \
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"\005CHKRUNNING" \
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"\006DETACHED"
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#define RAY_COM_NEEDS_TIMO(cmd) ( \
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(cmd == RAY_CMD_DOWNLOAD_PARAMS) || \
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(cmd == RAY_CMD_UPDATE_PARAMS) || \
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(cmd == RAY_CMD_UPDATE_MCAST) \
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)
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#ifndef RAY_COM_TIMEOUT
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#define RAY_COM_TIMEOUT (hz / 2)
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#endif
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#ifndef RAY_RESET_TIMEOUT
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#define RAY_RESET_TIMEOUT (10 * hz)
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#endif
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#ifndef RAY_TX_TIMEOUT
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#define RAY_TX_TIMEOUT (hz / 2)
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#endif
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#define RAY_CCS_FREE(sc, ccs) \
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SRAM_WRITE_FIELD_1((sc), (ccs), ray_cmd, c_status, RAY_CCS_STATUS_FREE)
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#define RAY_ECF_READY(sc) \
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(!(ATTR_READ_1((sc), RAY_ECFIR) & RAY_ECFIR_IRQ))
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#define RAY_ECF_START_CMD(sc) ATTR_WRITE_1((sc), RAY_ECFIR, RAY_ECFIR_IRQ)
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#define RAY_HCS_CLEAR_INTR(sc) ATTR_WRITE_1((sc), RAY_HCSIR, 0)
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#define RAY_HCS_INTR(sc) (ATTR_READ_1((sc), RAY_HCSIR) & RAY_HCSIR_IRQ)
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#define RAY_PANIC(sc, fmt, args...) do { \
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panic("ray%d: %s(%d) " fmt "\n", device_get_unit((sc)->dev), \
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__func__ , __LINE__ , ##args); \
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} while (0)
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#define RAY_PRINTF(sc, fmt, args...) do { \
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device_printf((sc)->dev, "%s(%d) " fmt "\n", \
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__func__ , __LINE__ , ##args); \
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} while (0)
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#define RAY_COM_MALLOC(function, flags) \
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ray_com_malloc((function), (flags), __STRING(function));
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#define RAY_COM_FREE(com, ncom) do { \
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int i; \
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for (i = 0; i < ncom; i++) \
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free(com[i], M_RAYCOM); \
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} while (0)
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/*
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* This macro handles adding commands to the runq and quickly
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* getting away when the card is detached. The macro returns
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* from the current function with ENXIO.
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*/
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#define RAY_COM_RUNQ(sc, com, ncom, mesg, error) do { \
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(error) = ray_com_runq_add((sc), (com), (ncom), (mesg)); \
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if ((error) == ENXIO) { \
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RAY_COM_FREE((com), (ncom)); \
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return (error); \
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} else if ((error) && ((error) != ENXIO)) \
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RAY_PRINTF(sc, "got error from runq 0x%x", (error)); \
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} while (0)
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/*
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* There are a number of entry points into the ray_init_xxx routines.
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* These can be classed into two types: a) those that happen as a result
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* of a change to the cards operating parameters (e.g. BSSID change), and
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* b) those that happen as a result of a change to the interface parameters
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* (e.g. a change to the IP address). The second set of entries need not
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* send a command to the card when the card is IFF_DRV_RUNNING. The
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* RAY_COM_FCHKRUNNING flags indicates when the RUNNING flag should be
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* checked, and this macro does the necessary check and command abort.
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*/
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#define RAY_COM_CHKRUNNING(sc, com, ifp) do { \
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if (((com)->c_flags & RAY_COM_FCHKRUNNING) && \
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((ifp)->if_drv_flags & IFF_DRV_RUNNING)) { \
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ray_com_runq_done(sc); \
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return; \
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} } while (0)
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#define RAY_COM_INIT(com, function, flags) \
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ray_com_init((com), (function), (flags), __STRING(function));
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#ifndef RAY_COM_CHECK
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#define RAY_COM_CHECK(sc, com)
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#endif /* RAY_COM_CHECK */
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#ifndef RAY_MBUF_DUMP
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#define RAY_MBUF_DUMP(sc, mask, m, s)
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#endif /* RAY_MBUF_DUMP */
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#ifndef RAY_RECERR
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#define RAY_RECERR(sc, fmt, args...) do { \
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struct ifnet *ifp = (sc)->ifp; \
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if (ifp->if_flags & IFF_DEBUG) { \
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device_printf((sc)->dev, "%s(%d) " fmt "\n", \
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__func__ , __LINE__ , ##args); \
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} } while (0)
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#endif /* RAY_RECERR */
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/* XXX this should be in CCSERR but don't work - probably need to use ##ifp->(iferrcounter)++; \*/
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#ifndef RAY_CCSERR
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#define RAY_CCSERR(sc, status, iferrcounter) do { \
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struct ifnet *ifp = (sc)->ifp; \
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char *ss[] = RAY_CCS_STATUS_STRINGS; \
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if ((status) != RAY_CCS_STATUS_COMPLETE) { \
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if (ifp->if_flags & IFF_DEBUG) { \
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device_printf((sc)->dev, \
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"%s(%d) ECF command completed with status %s\n", \
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__func__ , __LINE__ , ss[(status)]); \
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} } } while (0)
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#endif /* RAY_CCSERR */
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#ifndef RAY_MAP_CM
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#define RAY_MAP_CM(sc)
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#endif /* RAY_MAP_CM */
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/*
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* Management information element payloads
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*/
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union ieee80211_information {
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char ssid[IEEE80211_NWID_LEN+1];
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struct rates {
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u_int8_t *p;
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} rates;
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struct fh {
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u_int16_t dwell;
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u_int8_t set;
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u_int8_t pattern;
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u_int8_t index;
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} fh;
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struct ds {
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u_int8_t channel;
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} ds;
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struct cf {
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u_int8_t count;
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u_int8_t period;
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u_int8_t maxdur[2];
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u_int8_t dur[2];
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} cf;
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struct tim {
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u_int8_t count;
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u_int8_t period;
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u_int8_t bitctl;
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/* u_int8_t pvt[251]; The driver needs to use this. */
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} tim;
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struct ibss {
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u_int16_t atim;
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} ibss;
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struct challenge {
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u_int8_t *p;
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u_int8_t len;
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} challenge;
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};
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