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NetBSD/sys/dev/pcmcia/if_ray.c
martin 7e219b424d Remove RAY_USE_AMEM. This option claimed to use attribute memory access 
for the registers, which was true, but actually the same as the driver
did without this option.

What it realy did is work around a stupid bug in the driver that did not
use the "offset" result from the pcmcia_mem_map call mapping the CIS memory.

We got away with this for a long time since on i386 and typical pcmcia
bridged the offset returned will be 0. It always failed (without
RAY_USE_AMEM=1) if the check for a different function CCR aliases in pcmcia.c
failed and mapped the CCR base new - this time at the CCR base of this
function (0xf00), so all register acceses (that had 0xf00 added) happened
way off in neverland.

Now we do not hardcode the CCR base to the register definitions, but
instead use the offset returned by pcmcia_mem_map. This makes the driver
work with and without CCR base aliases being found.
2002-03-10 11:32:18 +00:00

3352 lines
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/* $NetBSD: if_ray.c,v 1.32 2002/03/10 11:32:18 martin Exp $ */
/*
* Copyright (c) 2000 Christian E. Hopps
* 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, 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.
* 3. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* 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.
*/
/*
* Driver for the Raylink (Raytheon) / WebGear IEEE 802.11 (FH) WLANs
*
* 2-way communication with the card is through command structures
* stored in shared ram. To communicate with the card a free
* command structure is filled in and then the card is interrupted.
* The card does the same with a different set of command structures.
* Only one command can be processed at a time. This is indicated
* by the interrupt having not been cleared since it was last set.
* The bit is cleared when the command has been processed (although
* it may not yet be complete).
*
* This driver was only tested with the Aviator 2.4 wireless
* The author didn't have the pro version or raylink to test
* with.
*
* N.B. Its unclear yet whether the Aviator 2.4 cards interoperate
* with other 802.11 FH 2Mbps cards, since this was also untested.
* Given the nature of the buggy build 4 firmware there may be problems.
*
* Authentication added by Steve Weiss <srw@alum.mit.edu> based on
* advice from Corey Thomas (author of the Linux RayLink driver).
* Authentication is currently limited to adhoc networks, and was
* added to support a requirement of the newest Windows drivers for
* the RayLink. Tested with Aviator Pro (firmware 5.63) on Win98.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_ray.c,v 1.32 2002/03/10 11:32:18 martin Exp $");
#include "opt_inet.h"
#include "bpfilter.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/callout.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/errno.h>
#include <sys/device.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_ether.h>
#include <net/if_media.h>
#include <net/if_llc.h>
#include <net/if_ieee80211.h>
#include <net/if_media.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/in_var.h>
#include <netinet/ip.h>
#include <netinet/if_inarp.h>
#endif
#if NBPFILTER > 0
#include <net/bpf.h>
#include <net/bpfdesc.h>
#endif
#include <machine/cpu.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <dev/pcmcia/pcmciareg.h>
#include <dev/pcmcia/pcmciavar.h>
#include <dev/pcmcia/pcmciadevs.h>
#include <dev/pcmcia/if_rayreg.h>
#define RAY_DEBUG
#ifndef RAY_PID_COUNTRY_CODE_DEFAULT
#define RAY_PID_COUNTRY_CODE_DEFAULT RAY_PID_COUNTRY_CODE_USA
#endif
/* amount of time to poll for non-return of certain command status */
#ifndef RAY_CHECK_CCS_TIMEOUT
#define RAY_CHECK_CCS_TIMEOUT (hz / 2)
#endif
/* ammount of time to consider start/join failed */
#ifndef RAY_START_TIMEOUT
#define RAY_START_TIMEOUT (30 * hz)
#endif
/*
* if a command cannot execute because device is busy try later
* this is also done after interrupts and other command timeouts
* so we can use a large value safely.
*/
#ifndef RAY_CHECK_SCHED_TIMEOUT
#define RAY_CHECK_SCHED_TIMEOUT (hz) /* XXX 5 */
#endif
#ifndef RAY_MODE_DEFAULT
#define RAY_MODE_DEFAULT SC_MODE_ADHOC
#endif
#ifndef RAY_DEF_NWID
#define RAY_DEF_NWID "NETWORK_NAME"
#endif
/*
* the number of times the HW is reset in 30s before disabling
* this is needed becuase resets take ~2s and currently pcmcia
* spins for the reset
*/
#ifndef RAY_MAX_RESETS
#define RAY_MAX_RESETS 3
#endif
/*
* Types
*/
struct ray_softc {
struct device sc_dev;
struct ethercom sc_ec;
struct ifmedia sc_media;
struct pcmcia_function *sc_pf;
struct pcmcia_mem_handle sc_mem;
int sc_window;
void *sc_ih;
void *sc_sdhook;
void *sc_pwrhook;
int sc_flags; /*. misc flags */
#define RAY_FLAGS_RESUMEINIT 0x0001
#define RAY_FLAGS_ATTACHED 0x0002 /* attach has succeeded */
int sc_resetloop;
struct callout sc_check_ccs_ch;
struct callout sc_check_scheduled_ch;
struct callout sc_reset_resetloop_ch;
struct callout sc_disable_ch;
struct callout sc_start_join_timo_ch;
struct ray_ecf_startup sc_ecf_startup;
struct ray_startup_params_head sc_startup;
union {
struct ray_startup_params_tail_5 u_params_5;
struct ray_startup_params_tail_4 u_params_4;
} sc_u;
u_int8_t sc_ccsinuse[64]; /* ccs in use -- not for tx */
u_int sc_txfree; /* a free count for efficiency */
u_int8_t sc_bssid[ETHER_ADDR_LEN]; /* current net values */
u_int8_t sc_authid[ETHER_ADDR_LEN]; /* ID of authenticating
station */
struct ieee80211_nwid sc_cnwid; /* last nwid */
struct ieee80211_nwid sc_dnwid; /* desired nwid */
u_int8_t sc_omode; /* old operating mode SC_MODE_xx */
u_int8_t sc_mode; /* current operating mode SC_MODE_xx */
u_int8_t sc_countrycode; /* current country code */
u_int8_t sc_dcountrycode; /* desired country code */
int sc_havenet; /* true if we have acquired a network */
bus_size_t sc_txpad; /* tib size plus "phy" size */
u_int8_t sc_deftxrate; /* default transfer rate */
u_int8_t sc_encrypt;
u_int8_t sc_authstate; /* authentication state */
int sc_promisc; /* current set value */
int sc_running; /* things we are doing */
int sc_scheduled; /* things we need to do */
int sc_timoneed; /* set if timeout is sched */
int sc_timocheck; /* set if timeout is sched */
bus_size_t sc_startccs; /* ccs of start/join */
u_int sc_startcmd; /* cmd (start | join) */
int sc_checkcounters;
u_int64_t sc_rxoverflow;
u_int64_t sc_rxcksum;
u_int64_t sc_rxhcksum;
u_int8_t sc_rxnoise;
/* use to return values to the user */
struct ray_param_req *sc_repreq;
struct ray_param_req *sc_updreq;
#ifdef RAY_DO_SIGLEV
struct ray_siglev sc_siglevs[RAY_NSIGLEVRECS];
#endif
};
#define sc_memt sc_mem.memt
#define sc_memh sc_mem.memh
#define sc_ccrt sc_pf->pf_ccrt
#define sc_ccrh sc_pf->pf_ccrh
#define sc_ccroff sc_pf->pf_ccr_offset
#define sc_startup_4 sc_u.u_params_4
#define sc_startup_5 sc_u.u_params_5
#define sc_version sc_ecf_startup.e_fw_build_string
#define sc_tibsize sc_ecf_startup.e_tib_size
#define sc_if sc_ec.ec_if
#define sc_xname sc_dev.dv_xname
/* modes of operation */
#define SC_MODE_ADHOC 0 /* ad-hoc mode */
#define SC_MODE_INFRA 1 /* infrastructure mode */
/* commands -- priority given to LSB */
#define SCP_FIRST 0x0001
#define SCP_UPDATESUBCMD 0x0001
#define SCP_STARTASSOC 0x0002
#define SCP_REPORTPARAMS 0x0004
#define SCP_IFSTART 0x0008
/* update sub commands -- issues are serialized priority to LSB */
#define SCP_UPD_FIRST 0x0100
#define SCP_UPD_STARTUP 0x0100
#define SCP_UPD_STARTJOIN 0x0200
#define SCP_UPD_PROMISC 0x0400
#define SCP_UPD_MCAST 0x0800
#define SCP_UPD_UPDATEPARAMS 0x1000
#define SCP_UPD_SHIFT 8
#define SCP_UPD_MASK 0xff00
/* these command (a subset of the update set) require timeout checking */
#define SCP_TIMOCHECK_CMD_MASK \
(SCP_UPD_UPDATEPARAMS | SCP_UPD_STARTUP | SCP_UPD_MCAST | \
SCP_UPD_PROMISC)
#define IFM_ADHOC \
IFM_MAKEWORD(IFM_IEEE80211, IFM_IEEE80211_FH2, IFM_IEEE80211_ADHOC, 0)
#define IFM_INFRA \
IFM_MAKEWORD(IFM_IEEE80211, IFM_IEEE80211_FH2, 0, 0)
typedef void (*ray_cmd_func_t)(struct ray_softc *);
#define SC_BUILD_5 0x5
#define SC_BUILD_4 0x55
/* sc_authstate */
#define RAY_AUTH_UNAUTH 0
#define RAY_AUTH_WAITING 1
#define RAY_AUTH_AUTH 2
#define RAY_AUTH_NEEDED 3
#define OPEN_AUTH_REQUEST 1
#define OPEN_AUTH_RESPONSE 2
#define BROADCAST_DEAUTH 0xc0
static int ray_alloc_ccs __P((struct ray_softc *, bus_size_t *, u_int, u_int));
static bus_size_t ray_fill_in_tx_ccs __P((struct ray_softc *, size_t,
u_int, u_int));
static void ray_attach __P((struct device *, struct device *, void *));
static ray_cmd_func_t ray_ccs_done __P((struct ray_softc *, bus_size_t));
static void ray_check_ccs __P((void *));
static void ray_check_scheduled __P((void *));
static void ray_cmd_cancel __P((struct ray_softc *, int));
static void ray_cmd_schedule __P((struct ray_softc *, int));
static void ray_cmd_ran __P((struct ray_softc *, int));
static int ray_cmd_is_running __P((struct ray_softc *, int));
static int ray_cmd_is_scheduled __P((struct ray_softc *, int));
static void ray_cmd_done __P((struct ray_softc *, int));
static int ray_detach __P((struct device *, int));
static int ray_activate __P((struct device *, enum devact));
static void ray_disable __P((struct ray_softc *));
static void ray_download_params __P((struct ray_softc *));
static int ray_enable __P((struct ray_softc *));
static u_int ray_find_free_tx_ccs __P((struct ray_softc *, u_int));
static u_int8_t ray_free_ccs __P((struct ray_softc *, bus_size_t));
static void ray_free_ccs_chain __P((struct ray_softc *, u_int));
static void ray_if_start __P((struct ifnet *));
static int ray_init __P((struct ray_softc *));
static int ray_intr __P((void *));
static void ray_intr_start __P((struct ray_softc *));
static int ray_ioctl __P((struct ifnet *, u_long, caddr_t));
static int ray_issue_cmd __P((struct ray_softc *, bus_size_t, u_int));
static int ray_match __P((struct device *, struct cfdata *, void *));
static int ray_media_change __P((struct ifnet *));
static void ray_media_status __P((struct ifnet *, struct ifmediareq *));
void ray_power __P((int, void *));
static ray_cmd_func_t ray_rccs_intr __P((struct ray_softc *, bus_size_t));
static void ray_read_region __P((struct ray_softc *, bus_size_t,void *,size_t));
static void ray_recv __P((struct ray_softc *, bus_size_t));
static void ray_recv_auth __P((struct ray_softc *, struct ieee80211_frame *));
static void ray_report_params __P((struct ray_softc *));
static void ray_reset __P((struct ray_softc *));
static void ray_reset_resetloop __P((void *));
static int ray_send_auth __P((struct ray_softc *, u_int8_t *, u_int8_t));
static void ray_set_pending __P((struct ray_softc *, u_int));
static void ray_shutdown __P((void *));
static int ray_simple_cmd __P((struct ray_softc *, u_int, u_int));
static void ray_start_assoc __P((struct ray_softc *));
static void ray_start_join_net __P((struct ray_softc *));
static ray_cmd_func_t ray_start_join_net_done __P((struct ray_softc *,
u_int, bus_size_t, u_int));
static void ray_start_join_timo __P((void *));
static void ray_stop __P((struct ray_softc *));
static void ray_update_error_counters __P((struct ray_softc *));
static void ray_update_mcast __P((struct ray_softc *));
static ray_cmd_func_t ray_update_params_done __P((struct ray_softc *,
bus_size_t, u_int));
static void ray_update_params __P((struct ray_softc *));
static void ray_update_promisc __P((struct ray_softc *));
static void ray_update_subcmd __P((struct ray_softc *));
static int ray_user_report_params __P((struct ray_softc *,
struct ray_param_req *));
static int ray_user_update_params __P((struct ray_softc *,
struct ray_param_req *));
static void ray_write_region __P((struct ray_softc *,bus_size_t,void *,size_t));
#ifdef RAY_DO_SIGLEV
static void ray_update_siglev __P((struct ray_softc *, u_int8_t *, u_int8_t));
#endif
#ifdef RAY_DEBUG
static int ray_debug = 0;
static int ray_debug_xmit_sum = 0;
static int ray_debug_dump_desc = 0;
static int ray_debug_dump_rx = 0;
static int ray_debug_dump_tx = 0;
static struct timeval rtv, tv1, tv2, *ttp, *ltp;
#define RAY_DPRINTF(x) do { if (ray_debug) { \
struct timeval *tmp; \
microtime(ttp); \
timersub(ttp, ltp, &rtv); \
tmp = ttp; ttp = ltp; ltp = tmp; \
printf("%ld:%ld %ld:%06ld: ", \
(long int)ttp->tv_sec, \
(long int)ttp->tv_usec, \
(long int)rtv.tv_sec, \
(long int)rtv.tv_usec); \
printf x ; \
} } while (0)
#define RAY_DPRINTF_XMIT(x) do { if (ray_debug_xmit_sum) { \
struct timeval *tmp; \
microtime(ttp); \
timersub(ttp, ltp, &rtv); \
tmp = ttp; ttp = ltp; ltp = tmp; \
printf("%ld:%ld %ld:%06ld: ", \
(long int)ttp->tv_sec, \
(long int)ttp->tv_usec, \
(long int)rtv.tv_sec, \
(long int)rtv.tv_usec); \
printf x ; \
} } while (0)
#define HEXDF_NOCOMPRESS 0x1
#define HEXDF_NOOFFSET 0x2
#define HEXDF_NOASCII 0x4
void hexdump(const u_int8_t *, int, int, int, int);
static void ray_dump_mbuf __P((struct ray_softc *, struct mbuf *));
#else /* !RAY_DEBUG */
#define RAY_DPRINTF(x)
#define RAY_DPRINTF_XMIT(x)
#endif /* !RAY_DEBUG */
/*
* macros for writing to various regions in the mapped memory space
*/
/* use already mapped ccrt */
#define REG_WRITE(sc, off, val) \
bus_space_write_1((sc)->sc_ccrt, (sc)->sc_ccrh, ((sc)->sc_ccroff + (off)), (val))
#define REG_READ(sc, off) \
bus_space_read_1((sc)->sc_ccrt, (sc)->sc_ccrh, ((sc)->sc_ccroff + (off)))
#define SRAM_READ_1(sc, off) \
((u_int8_t)bus_space_read_1((sc)->sc_memt, (sc)->sc_memh, (off)))
#define SRAM_READ_FIELD_1(sc, off, s, f) \
SRAM_READ_1(sc, (off) + offsetof(struct s, f))
#define SRAM_READ_FIELD_2(sc, off, s, f) \
((((u_int16_t)SRAM_READ_1(sc, (off) + offsetof(struct s, f)) << 8) \
|(SRAM_READ_1(sc, (off) + 1 + offsetof(struct s, f)))))
#define SRAM_READ_FIELD_N(sc, off, s, f, p, n) \
ray_read_region(sc, (off) + offsetof(struct s, f), (p), (n))
#define SRAM_WRITE_1(sc, off, val) \
bus_space_write_1((sc)->sc_memt, (sc)->sc_memh, (off), (val))
#define SRAM_WRITE_FIELD_1(sc, off, s, f, v) \
SRAM_WRITE_1(sc, (off) + offsetof(struct s, f), (v))
#define SRAM_WRITE_FIELD_2(sc, off, s, f, v) do { \
SRAM_WRITE_1(sc, (off) + offsetof(struct s, f), (((v) >> 8 ) & 0xff)); \
SRAM_WRITE_1(sc, (off) + 1 + offsetof(struct s, f), ((v) & 0xff)); \
} while (0)
#define SRAM_WRITE_FIELD_N(sc, off, s, f, p, n) \
ray_write_region(sc, (off) + offsetof(struct s, f), (p), (n))
/*
* Macros of general usefulness
*/
#define M_PULLUP(m, s) do { \
if ((m)->m_len < (s)) \
(m) = m_pullup((m), (s)); \
} while (0)
#define RAY_ECF_READY(sc) (!(REG_READ(sc, RAY_ECFIR) & RAY_ECSIR_IRQ))
#define RAY_ECF_START_CMD(sc) REG_WRITE(sc, RAY_ECFIR, RAY_ECSIR_IRQ)
#define RAY_GET_INDEX(ccs) (((ccs) - RAY_CCS_BASE) / RAY_CCS_SIZE)
#define RAY_GET_CCS(i) (RAY_CCS_BASE + (i) * RAY_CCS_SIZE)
/*
* Globals
*/
static u_int8_t llc_snapid[6] = { LLC_SNAP_LSAP, LLC_SNAP_LSAP, LLC_UI, };
/* based on bit index in SCP_xx */
static ray_cmd_func_t ray_cmdtab[] = {
ray_update_subcmd, /* SCP_UPDATESUBCMD */
ray_start_assoc, /* SCP_STARTASSOC */
ray_report_params, /* SCP_REPORTPARAMS */
ray_intr_start /* SCP_IFSTART */
};
static int ray_ncmdtab = sizeof(ray_cmdtab) / sizeof(*ray_cmdtab);
static ray_cmd_func_t ray_subcmdtab[] = {
ray_download_params, /* SCP_UPD_STARTUP */
ray_start_join_net, /* SCP_UPD_STARTJOIN */
ray_update_promisc, /* SCP_UPD_PROMISC */
ray_update_mcast, /* SCP_UPD_MCAST */
ray_update_params /* SCP_UPD_UPDATEPARAMS */
};
static int ray_nsubcmdtab = sizeof(ray_subcmdtab) / sizeof(*ray_subcmdtab);
/* autoconf information */
struct cfattach ray_ca = {
sizeof(struct ray_softc), ray_match, ray_attach, ray_detach,
ray_activate
};
/*
* Config Routines
*/
static int
ray_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct pcmcia_attach_args *pa = aux;
#ifdef RAY_DEBUG
if (!ltp) {
/* initialize timestamp XXX */
ttp = &tv1;
ltp = &tv2;
microtime(ltp);
}
#endif
return (pa->manufacturer == PCMCIA_VENDOR_RAYTHEON
&& pa->product == PCMCIA_PRODUCT_RAYTHEON_WLAN);
}
static void
ray_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct ray_ecf_startup *ep;
struct pcmcia_attach_args *pa;
struct ray_softc *sc;
struct ifnet *ifp;
bus_size_t memoff;
char devinfo[256];
pa = aux;
sc = (struct ray_softc *)self;
sc->sc_pf = pa->pf;
ifp = &sc->sc_if;
sc->sc_window = -1;
/* Print out what we are */
pcmcia_devinfo(&pa->pf->sc->card, 0, devinfo, sizeof devinfo);
printf(": %s\n", devinfo);
/* enable the card */
pcmcia_function_init(sc->sc_pf, sc->sc_pf->cfe_head.sqh_first);
if (pcmcia_function_enable(sc->sc_pf)) {
printf(": failed to enable the card");
return;
}
/*
* map in the memory
*/
if (pcmcia_mem_alloc(sc->sc_pf, RAY_SRAM_MEM_SIZE, &sc->sc_mem)) {
printf(": can\'t alloc shared memory\n");
goto fail;
}
if (pcmcia_mem_map(sc->sc_pf, PCMCIA_WIDTH_MEM8|PCMCIA_MEM_COMMON,
RAY_SRAM_MEM_BASE, RAY_SRAM_MEM_SIZE, &sc->sc_mem, &memoff,
&sc->sc_window)) {
printf(": can\'t map shared memory\n");
pcmcia_mem_free(sc->sc_pf, &sc->sc_mem);
goto fail;
}
/* get startup results */
ep = &sc->sc_ecf_startup;
ray_read_region(sc, RAY_ECF_TO_HOST_BASE, ep,
sizeof(sc->sc_ecf_startup));
/* check to see that card initialized properly */
if (ep->e_status != RAY_ECFS_CARD_OK) {
printf(": card failed self test: status %d\n",
sc->sc_ecf_startup.e_status);
goto fail;
}
/* check firmware version */
if (sc->sc_version != SC_BUILD_4 && sc->sc_version != SC_BUILD_5) {
printf(": unsupported firmware version %d\n",
ep->e_fw_build_string);
goto fail;
}
/* clear any interrupt if present */
REG_WRITE(sc, RAY_HCSIR, 0);
/*
* set the parameters that will survive stop/init
*/
memset(&sc->sc_dnwid, 0, sizeof(sc->sc_dnwid));
sc->sc_dnwid.i_len = strlen(RAY_DEF_NWID);
if (sc->sc_dnwid.i_len > IEEE80211_NWID_LEN)
sc->sc_dnwid.i_len = IEEE80211_NWID_LEN;
if (sc->sc_dnwid.i_len > 0)
memcpy(sc->sc_dnwid.i_nwid, RAY_DEF_NWID, sc->sc_dnwid.i_len);
memcpy(&sc->sc_cnwid, &sc->sc_dnwid, sizeof(sc->sc_cnwid));
sc->sc_omode = sc->sc_mode = RAY_MODE_DEFAULT;
sc->sc_countrycode = sc->sc_dcountrycode =
RAY_PID_COUNTRY_CODE_DEFAULT;
sc->sc_flags &= ~RAY_FLAGS_RESUMEINIT;
callout_init(&sc->sc_check_ccs_ch);
callout_init(&sc->sc_check_scheduled_ch);
callout_init(&sc->sc_reset_resetloop_ch);
callout_init(&sc->sc_disable_ch);
callout_init(&sc->sc_start_join_timo_ch);
/*
* attach the interface
*/
/* The version isn't the most accurate way, but it's easy. */
printf("%s: firmware version %d\n", sc->sc_dev.dv_xname,
sc->sc_version);
if (sc->sc_version != SC_BUILD_4)
printf("%s: supported rates %0x:%0x:%0x:%0x:%0x:%0x:%0x:%0x\n",
sc->sc_xname, ep->e_rates[0], ep->e_rates[1],
ep->e_rates[2], ep->e_rates[3], ep->e_rates[4],
ep->e_rates[5], ep->e_rates[6], ep->e_rates[7]);
printf("%s: 802.11 address %s\n", sc->sc_xname,
ether_sprintf(ep->e_station_addr));
memcpy(ifp->if_xname, sc->sc_xname, IFNAMSIZ);
ifp->if_softc = sc;
ifp->if_start = ray_if_start;
ifp->if_ioctl = ray_ioctl;
ifp->if_mtu = ETHERMTU;
ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST;
IFQ_SET_READY(&ifp->if_snd);
if_attach(ifp);
ether_ifattach(ifp, ep->e_station_addr);
/* need enough space for ieee80211_header + (snap or e2) */
ifp->if_hdrlen =
sizeof(struct ieee80211_frame) + sizeof(struct ether_header);
ifmedia_init(&sc->sc_media, 0, ray_media_change, ray_media_status);
ifmedia_add(&sc->sc_media, IFM_ADHOC, 0, 0);
ifmedia_add(&sc->sc_media, IFM_INFRA, 0, 0);
if (sc->sc_mode == SC_MODE_ADHOC)
ifmedia_set(&sc->sc_media, IFM_ADHOC);
else
ifmedia_set(&sc->sc_media, IFM_INFRA);
/* disable the card */
pcmcia_function_disable(sc->sc_pf);
sc->sc_sdhook = shutdownhook_establish(ray_shutdown, sc);
sc->sc_pwrhook = powerhook_establish(ray_power, sc);
/* The attach is successful. */
sc->sc_flags |= RAY_FLAGS_ATTACHED;
return;
fail:
/* disable the card */
pcmcia_function_disable(sc->sc_pf);
/* free the alloc/map */
if (sc->sc_window != -1) {
pcmcia_mem_unmap(sc->sc_pf, sc->sc_window);
pcmcia_mem_free(sc->sc_pf, &sc->sc_mem);
}
}
static int
ray_activate(dev, act)
struct device *dev;
enum devact act;
{
struct ray_softc *sc = (struct ray_softc *)dev;
struct ifnet *ifp = &sc->sc_if;
int s;
int rv = 0;
RAY_DPRINTF(("%s: activate\n", sc->sc_xname));
s = splnet();
switch (act) {
case DVACT_ACTIVATE:
rv = EOPNOTSUPP;
break;
case DVACT_DEACTIVATE:
ray_disable(sc);
if_deactivate(ifp);
break;
}
splx(s);
return (rv);
}
static int
ray_detach(self, flags)
struct device *self;
int flags;
{
struct ray_softc *sc;
struct ifnet *ifp;
sc = (struct ray_softc *)self;
ifp = &sc->sc_if;
RAY_DPRINTF(("%s: detach\n", sc->sc_xname));
/* Succeed now if there is no work to do. */
if ((sc->sc_flags & RAY_FLAGS_ATTACHED) == 0)
return (0);
if (ifp->if_flags & IFF_RUNNING)
ray_disable(sc);
/* give back the memory */
if (sc->sc_window != -1) {
pcmcia_mem_unmap(sc->sc_pf, sc->sc_window);
pcmcia_mem_free(sc->sc_pf, &sc->sc_mem);
}
ifmedia_delete_instance(&sc->sc_media, IFM_INST_ANY);
ether_ifdetach(ifp);
if_detach(ifp);
powerhook_disestablish(sc->sc_pwrhook);
shutdownhook_disestablish(sc->sc_sdhook);
return (0);
}
/*
* start the card running
*/
static int
ray_enable(sc)
struct ray_softc *sc;
{
int error;
RAY_DPRINTF(("%s: enable\n", sc->sc_xname));
if ((error = ray_init(sc)) == 0) {
sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_NET,
ray_intr, sc);
if (sc->sc_ih == NULL) {
ray_stop(sc);
return (EIO);
}
}
return (error);
}
/*
* stop the card running
*/
static void
ray_disable(sc)
struct ray_softc *sc;
{
RAY_DPRINTF(("%s: disable\n", sc->sc_xname));
if ((sc->sc_if.if_flags & IFF_RUNNING))
ray_stop(sc);
sc->sc_resetloop = 0;
sc->sc_rxoverflow = 0;
sc->sc_rxcksum = 0;
sc->sc_rxhcksum = 0;
sc->sc_rxnoise = 0;
if (sc->sc_ih)
pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
sc->sc_ih = 0;
}
/*
* start the card running
*/
static int
ray_init(sc)
struct ray_softc *sc;
{
struct ray_ecf_startup *ep;
bus_size_t ccs;
int i;
RAY_DPRINTF(("%s: init\n", sc->sc_xname));
if ((sc->sc_if.if_flags & IFF_RUNNING))
ray_stop(sc);
if (pcmcia_function_enable(sc->sc_pf))
return (EIO);
RAY_DPRINTF(("%s: init post-enable\n", sc->sc_xname));
/* reset some values */
memset(sc->sc_ccsinuse, 0, sizeof(sc->sc_ccsinuse));
sc->sc_havenet = 0;
memset(sc->sc_bssid, 0, sizeof(sc->sc_bssid));
sc->sc_deftxrate = 0;
sc->sc_encrypt = 0;
sc->sc_txpad = 0;
sc->sc_promisc = 0;
sc->sc_scheduled = 0;
sc->sc_running = 0;
sc->sc_txfree = RAY_CCS_NTX;
sc->sc_checkcounters = 0;
sc->sc_flags &= ~RAY_FLAGS_RESUMEINIT;
sc->sc_authstate = RAY_AUTH_UNAUTH;
/* get startup results */
ep = &sc->sc_ecf_startup;
ray_read_region(sc, RAY_ECF_TO_HOST_BASE, ep,
sizeof(sc->sc_ecf_startup));
/* check to see that card initialized properly */
if (ep->e_status != RAY_ECFS_CARD_OK) {
pcmcia_function_disable(sc->sc_pf);
printf("%s: card failed self test: status %d\n",
sc->sc_xname, sc->sc_ecf_startup.e_status);
return (EIO);
}
/* fixup tib size to be correct */
if (sc->sc_version == SC_BUILD_4 && sc->sc_tibsize == 0x55)
sc->sc_tibsize = 32;
sc->sc_txpad = sc->sc_tibsize;
/* set all ccs to be free */
ccs = RAY_GET_CCS(0);
for (i = 0; i < RAY_CCS_LAST; ccs += RAY_CCS_SIZE, i++)
SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd, c_status,
RAY_CCS_STATUS_FREE);
/* clear the interrupt if present */
REG_WRITE(sc, RAY_HCSIR, 0);
/* we are now up and running -- and are busy until download is cplt */
sc->sc_if.if_flags |= IFF_RUNNING | IFF_OACTIVE;
/* set this now so it gets set in the download */
if (sc->sc_if.if_flags & IFF_ALLMULTI)
sc->sc_if.if_flags |= IFF_PROMISC;
else if (sc->sc_if.if_pcount == 0)
sc->sc_if.if_flags &= ~IFF_PROMISC;
sc->sc_promisc = !!(sc->sc_if.if_flags & IFF_PROMISC);
/* call after we mark ourselves running */
ray_download_params(sc);
return (0);
}
/*
* stop the card running
*/
static void
ray_stop(sc)
struct ray_softc *sc;
{
RAY_DPRINTF(("%s: stop\n", sc->sc_xname));
callout_stop(&sc->sc_check_ccs_ch);
sc->sc_timocheck = 0;
callout_stop(&sc->sc_check_scheduled_ch);
sc->sc_timoneed = 0;
if (sc->sc_repreq) {
sc->sc_repreq->r_failcause = RAY_FAILCAUSE_EDEVSTOP;
wakeup(ray_report_params);
}
if (sc->sc_updreq) {
sc->sc_repreq->r_failcause = RAY_FAILCAUSE_EDEVSTOP;
wakeup(ray_update_params);
}
sc->sc_if.if_flags &= ~IFF_RUNNING;
pcmcia_function_disable(sc->sc_pf);
}
/*
* reset the card
*/
static void
ray_reset(sc)
struct ray_softc *sc;
{
if (++sc->sc_resetloop >= RAY_MAX_RESETS) {
if (sc->sc_resetloop == RAY_MAX_RESETS) {
printf("%s: unable to correct, disabling\n",
sc->sc_xname);
callout_stop(&sc->sc_reset_resetloop_ch);
callout_reset(&sc->sc_disable_ch, 1,
(void (*)(void *))ray_disable, sc);
}
} else {
printf("%s: unexpected failure resetting hw [%d more]\n",
sc->sc_xname, RAY_MAX_RESETS - sc->sc_resetloop);
callout_stop(&sc->sc_reset_resetloop_ch);
ray_init(sc);
callout_reset(&sc->sc_reset_resetloop_ch, 30 * hz,
ray_reset_resetloop, sc);
}
}
/*
* return resetloop to zero (enough time has expired to allow user to
* disable a whacked interface) the main reason for all this nonesense
* is that resets take ~2 seconds and currently the pcmcia code spins
* on these resets
*/
static void
ray_reset_resetloop(arg)
void *arg;
{
struct ray_softc *sc;
sc = arg;
sc->sc_resetloop = 0;
}
void
ray_power(why, arg)
int why;
void *arg;
{
#if 0
struct ray_softc *sc;
/* can't do this until power hooks are called from thread */
sc = arg;
switch (why) {
case PWR_RESUME:
if ((sc->sc_flags & RAY_FLAGS_RESUMEINIT))
ray_init(sc);
break;
case PWR_SUSPEND:
if ((sc->sc_if.if_flags & IFF_RUNNING)) {
ray_stop(sc);
sc->sc_flags |= RAY_FLAGS_RESUMEINIT;
}
break;
case PWR_STANDBY:
default:
break;
}
#endif
}
static void
ray_shutdown(arg)
void *arg;
{
struct ray_softc *sc;
sc = arg;
ray_disable(sc);
}
static int
ray_ioctl(ifp, cmd, data)
struct ifnet *ifp;
u_long cmd;
caddr_t data;
{
struct ieee80211_nwid nwid;
struct ray_param_req pr;
struct ray_softc *sc;
struct ifreq *ifr;
struct ifaddr *ifa;
int error, error2, s, i;
sc = ifp->if_softc;
error = 0;
ifr = (struct ifreq *)data;
s = splnet();
RAY_DPRINTF(("%s: ioctl: cmd 0x%lx data 0x%lx\n", ifp->if_xname,
cmd, (long)data));
switch (cmd) {
case SIOCSIFADDR:
RAY_DPRINTF(("%s: ioctl: cmd SIOCSIFADDR\n", ifp->if_xname));
if ((ifp->if_flags & IFF_RUNNING) == 0)
if ((error = ray_enable(sc)))
break;
ifp->if_flags |= IFF_UP;
ifa = (struct ifaddr *)data;
switch (ifa->ifa_addr->sa_family) {
#ifdef INET
case AF_INET:
arp_ifinit(&sc->sc_if, ifa);
break;
#endif
default:
break;
}
break;
case SIOCSIFFLAGS:
RAY_DPRINTF(("%s: ioctl: cmd SIOCSIFFLAGS\n", ifp->if_xname));
if (ifp->if_flags & IFF_UP) {
if ((ifp->if_flags & IFF_RUNNING) == 0) {
if ((error = ray_enable(sc)))
break;
} else
ray_update_promisc(sc);
} else if (ifp->if_flags & IFF_RUNNING)
ray_disable(sc);
break;
case SIOCADDMULTI:
RAY_DPRINTF(("%s: ioctl: cmd SIOCADDMULTI\n", ifp->if_xname));
case SIOCDELMULTI:
if (cmd == SIOCDELMULTI)
RAY_DPRINTF(("%s: ioctl: cmd SIOCDELMULTI\n",
ifp->if_xname));
if (cmd == SIOCADDMULTI)
error = ether_addmulti(ifr, &sc->sc_ec);
else
error = ether_delmulti(ifr, &sc->sc_ec);
if (error == ENETRESET) {
error = 0;
ray_update_mcast(sc);
}
break;
case SIOCSIFMEDIA:
RAY_DPRINTF(("%s: ioctl: cmd SIOCSIFMEDIA\n", ifp->if_xname));
case SIOCGIFMEDIA:
if (cmd == SIOCGIFMEDIA)
RAY_DPRINTF(("%s: ioctl: cmd SIOCGIFMEDIA\n",
ifp->if_xname));
error = ifmedia_ioctl(ifp, ifr, &sc->sc_media, cmd);
break;
case SIOCSRAYPARAM:
RAY_DPRINTF(("%s: ioctl: cmd SIOCSRAYPARAM\n", ifp->if_xname));
if ((error = copyin(ifr->ifr_data, &pr, sizeof(pr))))
break;
/* disallow certain command that have another interface */
switch (pr.r_paramid) {
case RAY_PID_NET_TYPE: /* through media opt */
case RAY_PID_AP_STATUS: /* unsupported */
case RAY_PID_SSID: /* use SIOC80211[GS]NWID */
case RAY_PID_MAC_ADDR: /* XXX need interface? */
case RAY_PID_PROMISC: /* bpf */
error = EINVAL;
break;
}
error = ray_user_update_params(sc, &pr);
error2 = copyout(&pr, ifr->ifr_data, sizeof(pr));
error = error2 ? error2 : error;
break;
case SIOCGRAYPARAM:
RAY_DPRINTF(("%s: ioctl: cmd SIOCGRAYPARAM\n", ifp->if_xname));
if ((error = copyin(ifr->ifr_data, &pr, sizeof(pr))))
break;
error = ray_user_report_params(sc, &pr);
error2 = copyout(&pr, ifr->ifr_data, sizeof(pr));
error = error2 ? error2 : error;
break;
case SIOCS80211NWID:
RAY_DPRINTF(("%s: ioctl: cmd SIOCS80211NWID\n", ifp->if_xname));
/*
* if later people overwrite thats ok -- the latest version
* will always get start/joined even if it was set by
* a previous command
*/
if ((error = copyin(ifr->ifr_data, &nwid, sizeof(nwid))))
break;
if (nwid.i_len > IEEE80211_NWID_LEN) {
error = EINVAL;
break;
}
/* clear trailing garbages */
for (i = nwid.i_len; i < IEEE80211_NWID_LEN; i++)
nwid.i_nwid[i] = 0;
if (!memcmp(&sc->sc_dnwid, &nwid, sizeof(nwid)))
break;
memcpy(&sc->sc_dnwid, &nwid, sizeof(nwid));
if (ifp->if_flags & IFF_RUNNING)
ray_start_join_net(sc);
break;
case SIOCG80211NWID:
RAY_DPRINTF(("%s: ioctl: cmd SIOCG80211NWID\n", ifp->if_xname));
error = copyout(&sc->sc_cnwid, ifr->ifr_data,
sizeof(sc->sc_cnwid));
break;
#ifdef RAY_DO_SIGLEV
case SIOCGRAYSIGLEV:
error = copyout(sc->sc_siglevs, ifr->ifr_data,
sizeof sc->sc_siglevs);
break;
#endif
default:
RAY_DPRINTF(("%s: ioctl: unknown\n", ifp->if_xname));
error = EINVAL;
break;
}
RAY_DPRINTF(("%s: ioctl: returns %d\n", ifp->if_xname, error));
splx(s);
return (error);
}
/*
* ifnet interface to start transmission on the interface
*/
static void
ray_if_start(ifp)
struct ifnet *ifp;
{
struct ray_softc *sc;
sc = ifp->if_softc;
ray_intr_start(sc);
}
static int
ray_media_change(ifp)
struct ifnet *ifp;
{
struct ray_softc *sc;
sc = ifp->if_softc;
RAY_DPRINTF(("%s: media change cur %d\n", ifp->if_xname,
sc->sc_media.ifm_cur->ifm_media));
if (sc->sc_media.ifm_cur->ifm_media & IFM_IEEE80211_ADHOC)
sc->sc_mode = SC_MODE_ADHOC;
else
sc->sc_mode = SC_MODE_INFRA;
if (sc->sc_mode != sc->sc_omode)
ray_start_join_net(sc);
return (0);
}
static void
ray_media_status(ifp, imr)
struct ifnet *ifp;
struct ifmediareq *imr;
{
struct ray_softc *sc;
sc = ifp->if_softc;
RAY_DPRINTF(("%s: media status\n", ifp->if_xname));
imr->ifm_status = IFM_AVALID;
if (sc->sc_havenet)
imr->ifm_status |= IFM_ACTIVE;
if (sc->sc_mode == SC_MODE_ADHOC)
imr->ifm_active = IFM_ADHOC;
else
imr->ifm_active = IFM_INFRA;
}
/*
* called to start from ray_intr. We don't check for pending
* interrupt as a result
*/
static void
ray_intr_start(sc)
struct ray_softc *sc;
{
struct ieee80211_frame *iframe;
struct ether_header *eh;
size_t len, pktlen, tmplen;
bus_size_t bufp, ebufp;
struct mbuf *m0, *m;
struct ifnet *ifp;
u_int firsti, hinti, previ, i, pcount;
u_int16_t et;
u_int8_t *d;
ifp = &sc->sc_if;
RAY_DPRINTF(("%s: start free %d\n",
ifp->if_xname, sc->sc_txfree));
ray_cmd_cancel(sc, SCP_IFSTART);
if ((ifp->if_flags & IFF_RUNNING) == 0 || !sc->sc_havenet)
return;
if (IFQ_IS_EMPTY(&ifp->if_snd))
return;
firsti = i = previ = RAY_CCS_LINK_NULL;
hinti = RAY_CCS_TX_FIRST;
if (!RAY_ECF_READY(sc)) {
ray_cmd_schedule(sc, SCP_IFSTART);
return;
}
/* Check to see if we need to authenticate before sending packets. */
if (sc->sc_authstate == RAY_AUTH_NEEDED) {
RAY_DPRINTF(("%s: Sending auth request.\n", ifp->if_xname));
sc->sc_authstate = RAY_AUTH_WAITING;
ray_send_auth(sc, sc->sc_authid, OPEN_AUTH_REQUEST);
return;
}
pcount = 0;
for (;;) {
/* if we have no descriptors be done */
if (i == RAY_CCS_LINK_NULL) {
i = ray_find_free_tx_ccs(sc, hinti);
if (i == RAY_CCS_LINK_NULL) {
RAY_DPRINTF(("%s: no descriptors.\n",
ifp->if_xname));
ifp->if_flags |= IFF_OACTIVE;
break;
}
}
IFQ_DEQUEUE(&ifp->if_snd, m0);
if (!m0) {
RAY_DPRINTF(("%s: dry queue.\n", ifp->if_xname));
break;
}
RAY_DPRINTF(("%s: gotmbuf 0x%lx\n", ifp->if_xname, (long)m0));
pktlen = m0->m_pkthdr.len;
if (pktlen > ETHER_MAX_LEN - ETHER_CRC_LEN) {
RAY_DPRINTF((
"%s: mbuf too long %ld\n", ifp->if_xname,
(u_long)pktlen));
ifp->if_oerrors++;
m_freem(m0);
continue;
}
RAY_DPRINTF(("%s: mbuf.m_pkthdr.len %d\n", ifp->if_xname,
(int)pktlen));
/* we need the ether_header now for pktlen adjustments */
M_PULLUP(m0, sizeof(struct ether_header));
if (!m0) {
RAY_DPRINTF(( "%s: couldn\'t pullup ether header\n",
ifp->if_xname));
ifp->if_oerrors++;
continue;
}
RAY_DPRINTF(("%s: got pulled up mbuf 0x%lx\n", ifp->if_xname,
(long)m0));
/* first peek at the type of packet and figure out what to do */
eh = mtod(m0, struct ether_header *);
et = ntohs(eh->ether_type);
if (ifp->if_flags & IFF_LINK0) {
/* don't support llc for windows compat operation */
if (et <= ETHERMTU) {
m_freem(m0);
ifp->if_oerrors++;
continue;
}
tmplen = sizeof(struct ieee80211_frame);
} else if (et > ETHERMTU) {
/* adjust for LLC/SNAP header */
tmplen= sizeof(struct ieee80211_frame) - ETHER_ADDR_LEN;
}
/* now get our space for the 802.11 frame */
M_PREPEND(m0, tmplen, M_DONTWAIT);
if (m0)
M_PULLUP(m0, sizeof(struct ether_header) + tmplen);
if (!m0) {
RAY_DPRINTF(("%s: couldn\'t prepend header\n",
ifp->if_xname));
ifp->if_oerrors++;
continue;
}
/* copy the frame into the mbuf for tapping */
iframe = mtod(m0, struct ieee80211_frame *);
eh = (struct ether_header *)((u_int8_t *)iframe + tmplen);
iframe->i_fc[0] =
(IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_DATA);
if (sc->sc_mode == SC_MODE_ADHOC) {
iframe->i_fc[1] = IEEE80211_FC1_DIR_NODS;
memcpy(iframe->i_addr1, eh->ether_dhost,ETHER_ADDR_LEN);
memcpy(iframe->i_addr2, eh->ether_shost,ETHER_ADDR_LEN);
memcpy(iframe->i_addr3, sc->sc_bssid, ETHER_ADDR_LEN);
} else {
iframe->i_fc[1] = IEEE80211_FC1_DIR_TODS;
memcpy(iframe->i_addr1, sc->sc_bssid,ETHER_ADDR_LEN);
memcpy(iframe->i_addr2, eh->ether_shost,ETHER_ADDR_LEN);
memmove(iframe->i_addr3,eh->ether_dhost,ETHER_ADDR_LEN);
}
iframe->i_dur[0] = iframe->i_dur[1] = 0;
iframe->i_seq[0] = iframe->i_seq[1] = 0;
/* if not using crummy E2 in 802.11 make it LLC/SNAP */
if ((ifp->if_flags & IFF_LINK0) == 0 && et > ETHERMTU)
memcpy(iframe + 1, llc_snapid, sizeof(llc_snapid));
RAY_DPRINTF(("%s: i %d previ %d\n", ifp->if_xname, i, previ));
if (firsti == RAY_CCS_LINK_NULL)
firsti = i;
pktlen = m0->m_pkthdr.len;
bufp = ray_fill_in_tx_ccs(sc, pktlen, i, previ);
previ = hinti = i;
i = RAY_CCS_LINK_NULL;
RAY_DPRINTF(("%s: bufp 0x%lx new pktlen %d\n",
ifp->if_xname, (long)bufp, (int)pktlen));
/* copy out mbuf */
for (m = m0; m; m = m->m_next) {
if ((len = m->m_len) == 0)
continue;
RAY_DPRINTF((
"%s: copying mbuf 0x%lx bufp 0x%lx len %d\n",
ifp->if_xname, (long)m, (long)bufp, (int)len));
d = mtod(m, u_int8_t *);
ebufp = bufp + len;
if (ebufp <= RAY_TX_END)
ray_write_region(sc, bufp, d, len);
else {
panic("ray_intr_start"); /* XXX */
/* wrapping */
tmplen = ebufp - bufp;
len -= tmplen;
ray_write_region(sc, bufp, d, tmplen);
d += tmplen;
bufp = RAY_TX_BASE;
ray_write_region(sc, bufp, d, len);
}
bufp += len;
}
#if NBPFILTER > 0
if (ifp->if_bpf) {
if (ifp->if_flags & IFF_LINK0) {
m0->m_data += sizeof(struct ieee80211_frame);
m0->m_len -= sizeof(struct ieee80211_frame);
m0->m_pkthdr.len -= sizeof(struct ieee80211_frame);
}
bpf_mtap(ifp->if_bpf, m0);
if (ifp->if_flags & IFF_LINK0) {
m0->m_data -= sizeof(struct ieee80211_frame);
m0->m_len += sizeof(struct ieee80211_frame);
m0->m_pkthdr.len += sizeof(struct ieee80211_frame);
}
}
#endif
#ifdef RAY_DEBUG
if (ray_debug && ray_debug_dump_tx)
ray_dump_mbuf(sc, m0);
#endif
pcount++;
m_freem(m0);
}
if (firsti == RAY_CCS_LINK_NULL)
return;
i = 0;
if (!RAY_ECF_READY(sc)) {
/*
* if this can really happen perhaps we need to save
* the chain and use it later. I think this might
* be a confused state though because we check above
* and don't issue any commands between.
*/
printf("%s: dropping tx packets device busy\n", sc->sc_xname);
ray_free_ccs_chain(sc, firsti);
ifp->if_oerrors += pcount;
return;
}
/* send it off */
RAY_DPRINTF(("%s: ray_start issuing %d \n", sc->sc_xname, firsti));
SRAM_WRITE_1(sc, RAY_SCB_CCSI, firsti);
RAY_ECF_START_CMD(sc);
RAY_DPRINTF_XMIT(("%s: sent packet: len %ld\n", sc->sc_xname,
(u_long)pktlen));
ifp->if_opackets += pcount;
}
/*
* recevice a packet from the card
*/
static void
ray_recv(sc, ccs)
struct ray_softc *sc;
bus_size_t ccs;
{
struct ieee80211_frame *frame;
struct ether_header *eh;
struct mbuf *m;
size_t pktlen, fudge, len, lenread;
bus_size_t bufp, ebufp, tmp;
struct ifnet *ifp;
u_int8_t *src, *d;
u_int frag, nofrag, ni, i, issnap, first;
u_int8_t fc0;
#ifdef RAY_DO_SIGLEV
u_int8_t siglev;
#endif
#ifdef RAY_DEBUG
/* have a look if you want to see how the card rx works :) */
if (ray_debug && ray_debug_dump_desc)
hexdump((caddr_t)sc->sc_memh + RAY_RCS_BASE, 0x400,
16, 4, 0);
#endif
m = 0;
ifp = &sc->sc_if;
/*
* If we're expecting the E2-in-802.11 encapsulation that the
* WebGear Windows driver produces, fudge the packet forward
* in the mbuf by 2 bytes so that the payload after the
* Ethernet header will be aligned. If we end up getting a
* packet that's not of this type, we'll just drop it anyway.
*/
if (ifp->if_flags & IFF_LINK0)
fudge = 2;
else
fudge = 0;
/* it looks like at least with build 4 there is no CRC in length */
first = RAY_GET_INDEX(ccs);
pktlen = SRAM_READ_FIELD_2(sc, ccs, ray_cmd_rx, c_pktlen);
#ifdef RAY_DO_SIGLEV
siglev = SRAM_READ_FIELD_1(sc, ccs, ray_cmd_rx, c_siglev);
#endif
RAY_DPRINTF(("%s: recv pktlen %ld nofrag %d\n", sc->sc_xname,
(u_long)pktlen, nofrag));
RAY_DPRINTF_XMIT(("%s: received packet: len %ld\n", sc->sc_xname,
(u_long)pktlen));
if (pktlen > MCLBYTES || pktlen < sizeof(*frame)) {
RAY_DPRINTF(("%s: PKTLEN TOO BIG OR TOO SMALL\n",
sc->sc_xname));
ifp->if_ierrors++;
goto done;
}
MGETHDR(m, M_DONTWAIT, MT_DATA);
if (!m) {
RAY_DPRINTF(("%s: MGETHDR FAILED\n", sc->sc_xname));
ifp->if_ierrors++;
goto done;
}
if ((pktlen + fudge) > MHLEN) {
/* XXX should allow chaining? */
MCLGET(m, M_DONTWAIT);
if ((m->m_flags & M_EXT) == 0) {
RAY_DPRINTF(("%s: MCLGET FAILED\n", sc->sc_xname));
ifp->if_ierrors++;
m_freem(m);
m = 0;
goto done;
}
}
m->m_pkthdr.rcvif = ifp;
m->m_pkthdr.len = pktlen;
m->m_len = pktlen;
m->m_data += fudge;
d = mtod(m, u_int8_t *);
RAY_DPRINTF(("%s: recv ccs index %d\n", sc->sc_xname, first));
frag = 0;
lenread = 0;
i = ni = first;
while ((i = ni) && i != RAY_CCS_LINK_NULL) {
ccs = RAY_GET_CCS(i);
bufp = SRAM_READ_FIELD_2(sc, ccs, ray_cmd_rx, c_bufp);
len = SRAM_READ_FIELD_2(sc, ccs, ray_cmd_rx, c_len);
/* remove the CRC */
#if 0
/* at least with build 4 no crc seems to be here */
if (frag++ == 0)
len -= 4;
#endif
ni = SRAM_READ_FIELD_1(sc, ccs, ray_cmd_rx, c_nextfrag);
RAY_DPRINTF(("%s: recv frag index %d len %ld bufp 0x%x ni %d\n",
sc->sc_xname, i, (u_long)len, (int)bufp, ni));
if (len + lenread > pktlen) {
RAY_DPRINTF(("%s: BAD LEN current 0x%lx pktlen 0x%lx\n",
sc->sc_xname, (u_long)(len + lenread),
(u_long)pktlen));
ifp->if_ierrors++;
m_freem(m);
m = 0;
goto done;
}
if (i < RAY_RCCS_FIRST) {
printf("ray_recv: bad ccs index 0x%x\n", i);
m_freem(m);
m = 0;
goto done;
}
ebufp = bufp + len;
if (ebufp <= RAY_RX_END)
ray_read_region(sc, bufp, d, len);
else {
/* wrapping */
ray_read_region(sc, bufp, d, (tmp = RAY_RX_END - bufp));
ray_read_region(sc, RAY_RX_BASE, d + tmp, ebufp - RAY_RX_END);
}
d += len;
lenread += len;
}
done:
RAY_DPRINTF(("%s: recv frag count %d\n", sc->sc_xname, frag));
/* free the rcss */
ni = first;
while ((i = ni) && (i != RAY_CCS_LINK_NULL)) {
ccs = RAY_GET_CCS(i);
ni = SRAM_READ_FIELD_1(sc, ccs, ray_cmd_rx, c_nextfrag);
SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd, c_status,
RAY_CCS_STATUS_FREE);
}
if (!m)
return;
RAY_DPRINTF(("%s: recv got packet pktlen %ld actual %ld\n",
sc->sc_xname, (u_long)pktlen, (u_long)lenread));
#ifdef RAY_DEBUG
if (ray_debug && ray_debug_dump_rx)
ray_dump_mbuf(sc, m);
#endif
/* receivce the packet */
frame = mtod(m, struct ieee80211_frame *);
fc0 = frame->i_fc[0]
& (IEEE80211_FC0_VERSION_MASK|IEEE80211_FC0_TYPE_MASK);
if ((fc0 & IEEE80211_FC0_VERSION_MASK) != IEEE80211_FC0_VERSION_0) {
RAY_DPRINTF(("%s: pkt not version 0 fc 0x%x\n",
sc->sc_xname, fc0));
m_freem(m);
return;
}
if ((fc0 & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_MGT) {
switch (frame->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) {
case IEEE80211_FC0_SUBTYPE_BEACON:
/* Ignore beacon silently. */
break;
case IEEE80211_FC0_SUBTYPE_AUTH:
ray_recv_auth(sc, frame);
break;
case IEEE80211_FC0_SUBTYPE_DEAUTH:
sc->sc_authstate = RAY_AUTH_UNAUTH;
break;
default:
RAY_DPRINTF(("%s: mgt packet not supported\n",
sc->sc_dev.dv_xname));
#ifdef RAY_DEBUG
hexdump((const u_int8_t*)frame, pktlen, 16, 4, 0);
#endif
RAY_DPRINTF(("\n"));
break;
}
m_freem(m);
return;
} else if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_DATA) {
RAY_DPRINTF(("%s: pkt not type data fc0 0x%x\n",
sc->sc_xname, fc0));
m_freem(m);
return;
}
if (pktlen < sizeof(*frame) + sizeof(struct llc)) {
RAY_DPRINTF(("%s: pkt too small for llc (%ld)\n",
sc->sc_xname, (u_long)pktlen));
m_freem(m);
return;
}
if (!memcmp(frame + 1, llc_snapid, sizeof(llc_snapid)))
issnap = 1;
else {
/*
* if user has link0 flag set we allow the weird
* Ethernet2 in 802.11 encapsulation produced by
* the windows driver for the WebGear card
*/
RAY_DPRINTF(("%s: pkt not snap 0\n", sc->sc_xname));
if ((ifp->if_flags & IFF_LINK0) == 0) {
m_freem(m);
return;
}
issnap = 0;
}
switch (frame->i_fc[1] & IEEE80211_FC1_DIR_MASK) {
case IEEE80211_FC1_DIR_NODS:
src = frame->i_addr2;
break;
case IEEE80211_FC1_DIR_FROMDS:
src = frame->i_addr3;
break;
case IEEE80211_FC1_DIR_TODS:
RAY_DPRINTF(("%s: pkt ap2ap\n", sc->sc_xname));
m_freem(m);
return;
default:
RAY_DPRINTF(("%s: pkt type unknown\n", sc->sc_xname));
m_freem(m);
return;
}
#ifdef RAY_DO_SIGLEV
ray_update_siglev(sc, src, siglev);
#endif
/*
* This is a mess.. we should support other LLC frame types
*/
if (issnap) {
/* create an ether_header over top of the 802.11+SNAP header */
eh = (struct ether_header *)((caddr_t)(frame + 1) - 6);
memcpy(eh->ether_shost, src, ETHER_ADDR_LEN);
memcpy(eh->ether_dhost, frame->i_addr1, ETHER_ADDR_LEN);
} else {
/* this is the weird e2 in 802.11 encapsulation */
eh = (struct ether_header *)(frame + 1);
}
m_adj(m, (caddr_t)eh - (caddr_t)frame);
#if NBPFILTER > 0
if (ifp->if_bpf)
bpf_mtap(ifp->if_bpf, m);
#endif
/* XXX doesn't appear to be included m->m_flags |= M_HASFCS; */
ifp->if_ipackets++;
(*ifp->if_input)(ifp, m);
}
/*
* receive an auth packet
*/
static void
ray_recv_auth(sc, frame)
struct ray_softc *sc;
struct ieee80211_frame *frame;
{
u_int8_t *var = (u_int8_t *)(frame + 1);
if (sc->sc_mode == SC_MODE_ADHOC) {
RAY_DPRINTF(("%s: recv auth packet:\n", sc->sc_dev.dv_xname));
#ifdef RAY_DEBUG
hexdump((const u_int8_t *)frame, sizeof(*frame) + 6, 16, 4, 0);
#endif
RAY_DPRINTF(("\n"));
if (var[2] == OPEN_AUTH_REQUEST) {
RAY_DPRINTF(("%s: Sending authentication response.\n",
sc->sc_dev.dv_xname));
if (ray_send_auth(sc, frame->i_addr2,
OPEN_AUTH_RESPONSE) == 0) {
sc->sc_authstate = RAY_AUTH_NEEDED;
memcpy(sc->sc_authid, frame->i_addr2,
ETHER_ADDR_LEN);
}
} else if (var[2] == OPEN_AUTH_RESPONSE) {
RAY_DPRINTF(("%s: Authenticated!\n",
sc->sc_dev.dv_xname));
sc->sc_authstate = RAY_AUTH_AUTH;
}
}
}
/*
* send an auth packet
*/
static int
ray_send_auth(sc, dest, auth_type)
struct ray_softc *sc;
u_int8_t *dest;
u_int8_t auth_type;
{
u_int8_t packet[sizeof(struct ieee80211_frame) + ETHER_ADDR_LEN], *var;
struct ieee80211_frame *frame;
bus_size_t bufp;
int ccsindex;
ccsindex = ray_find_free_tx_ccs(sc, RAY_CCS_TX_FIRST);
if (ccsindex == RAY_CCS_LINK_NULL) {
RAY_DPRINTF(("%s: send auth failed -- no free tx slots\n",
sc->sc_dev.dv_xname));
return (ENOMEM);
}
bufp = ray_fill_in_tx_ccs(sc, sizeof(packet), ccsindex,
RAY_CCS_LINK_NULL);
frame = (struct ieee80211_frame *) packet;
frame->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_SUBTYPE_AUTH;
frame->i_fc[1] = 0;
memcpy(frame->i_addr1, dest, ETHER_ADDR_LEN);
memcpy(frame->i_addr2, sc->sc_ecf_startup.e_station_addr,
ETHER_ADDR_LEN);
memcpy(frame->i_addr3, sc->sc_bssid, ETHER_ADDR_LEN);
var = (u_int8_t *)(frame + 1);
memset(var, 0, ETHER_ADDR_LEN);
var[2] = auth_type;
ray_write_region(sc, bufp, packet, sizeof(packet));
SRAM_WRITE_1(sc, RAY_SCB_CCSI, ccsindex);
RAY_ECF_START_CMD(sc);
RAY_DPRINTF_XMIT(("%s: sent auth packet: len %lu\n",
sc->sc_dev.dv_xname, (u_long) sizeof(packet)));
return (0);
}
/*
* scan for free buffers
*
* Note: do _not_ try to optimize this away, there is some kind of
* horrible interaction with receiving tx interrupts and they
* have to be done as fast as possible, which means zero processing.
* this took ~ever to figure out, don't make someone do it again!
*/
static u_int
ray_find_free_tx_ccs(sc, hint)
struct ray_softc *sc;
u_int hint;
{
u_int i, stat;
for (i = hint; i <= RAY_CCS_TX_LAST; i++) {
stat = SRAM_READ_FIELD_1(sc, RAY_GET_CCS(i), ray_cmd, c_status);
if (stat == RAY_CCS_STATUS_FREE)
return (i);
}
if (hint == RAY_CCS_TX_FIRST)
return (RAY_CCS_LINK_NULL);
for (i = RAY_CCS_TX_FIRST; i < hint; i++) {
stat = SRAM_READ_FIELD_1(sc, RAY_GET_CCS(i), ray_cmd, c_status);
if (stat == RAY_CCS_STATUS_FREE)
return (i);
}
return (RAY_CCS_LINK_NULL);
}
/*
* allocate, initialize and link in a tx ccs for the given
* page and the current chain values
*/
static bus_size_t
ray_fill_in_tx_ccs(sc, pktlen, i, pi)
struct ray_softc *sc;
size_t pktlen;
u_int i, pi;
{
bus_size_t ccs, bufp;
/* pktlen += RAY_TX_PHY_SIZE; */
bufp = RAY_TX_BASE + i * RAY_TX_BUF_SIZE;
bufp += sc->sc_txpad;
ccs = RAY_GET_CCS(i);
SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd_tx, c_status, RAY_CCS_STATUS_BUSY);
SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd_tx, c_cmd, RAY_CMD_TX_REQ);
SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd_tx, c_link, RAY_CCS_LINK_NULL);
SRAM_WRITE_FIELD_2(sc, ccs, ray_cmd_tx, c_bufp, bufp);
SRAM_WRITE_FIELD_2(sc, ccs, ray_cmd_tx, c_len, pktlen);
SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd_tx, c_tx_rate, sc->sc_deftxrate);
SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd_tx, c_apm_mode, 0);
SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd_tx, c_antenna, 0);
/* link us in */
if (pi != RAY_CCS_LINK_NULL)
SRAM_WRITE_FIELD_1(sc, RAY_GET_CCS(pi), ray_cmd_tx, c_link, i);
RAY_DPRINTF(("%s: ray_alloc_tx_ccs bufp 0x%lx idx %d pidx %d \n",
sc->sc_xname, bufp, i, pi));
return (bufp + RAY_TX_PHY_SIZE);
}
/*
* an update params command has completed lookup which command and
* the status
*/
static ray_cmd_func_t
ray_update_params_done(sc, ccs, stat)
struct ray_softc *sc;
bus_size_t ccs;
u_int stat;
{
ray_cmd_func_t rcmd;
rcmd = 0;
RAY_DPRINTF(("%s: ray_update_params_done stat %d\n",
sc->sc_xname, stat));
/* this will get more complex as we add commands */
if (stat == RAY_CCS_STATUS_FAIL) {
printf("%s: failed to update a promisc\n", sc->sc_xname);
/* XXX should probably reset */
/* rcmd = ray_reset; */
}
if (sc->sc_running & SCP_UPD_PROMISC) {
ray_cmd_done(sc, SCP_UPD_PROMISC);
sc->sc_promisc = SRAM_READ_1(sc, RAY_HOST_TO_ECF_BASE);
RAY_DPRINTF(("%s: new promisc value %d\n", sc->sc_xname,
sc->sc_promisc));
} else if (sc->sc_updreq) {
ray_cmd_done(sc, SCP_UPD_UPDATEPARAMS);
/* get the update parameter */
sc->sc_updreq->r_failcause =
SRAM_READ_FIELD_1(sc, ccs, ray_cmd_update, c_failcause);
sc->sc_updreq = 0;
wakeup(ray_update_params);
rcmd = ray_start_join_net;
}
return (rcmd);
}
/*
* check too see if we have any pending commands.
*/
static void
ray_check_scheduled(arg)
void *arg;
{
struct ray_softc *sc;
int s, i, mask;
s = splnet();
sc = arg;
RAY_DPRINTF((
"%s: ray_check_scheduled enter schd 0x%x running 0x%x ready %d\n",
sc->sc_xname, sc->sc_scheduled, sc->sc_running, RAY_ECF_READY(sc)));
if (sc->sc_timoneed) {
callout_stop(&sc->sc_check_scheduled_ch);
sc->sc_timoneed = 0;
}
/* if update subcmd is running -- clear it in scheduled */
if (sc->sc_running & SCP_UPDATESUBCMD)
sc->sc_scheduled &= ~SCP_UPDATESUBCMD;
mask = SCP_FIRST;
for (i = 0; i < ray_ncmdtab; mask <<= 1, i++) {
if ((sc->sc_scheduled & ~SCP_UPD_MASK) == 0)
break;
if (!RAY_ECF_READY(sc))
break;
if (sc->sc_scheduled & mask)
(*ray_cmdtab[i])(sc);
}
RAY_DPRINTF((
"%s: ray_check_scheduled exit sched 0x%x running 0x%x ready %d\n",
sc->sc_xname, sc->sc_scheduled, sc->sc_running, RAY_ECF_READY(sc)));
if (sc->sc_scheduled & ~SCP_UPD_MASK)
ray_set_pending(sc, sc->sc_scheduled);
splx(s);
}
/*
* check for unreported returns
*
* this routine is coded to only expect one outstanding request for the
* timed out requests at a time, but thats all that can be outstanding
* per hardware limitations
*/
static void
ray_check_ccs(arg)
void *arg;
{
ray_cmd_func_t fp;
struct ray_softc *sc;
u_int i, cmd, stat;
bus_size_t ccs;
int s;
s = splnet();
sc = arg;
RAY_DPRINTF(("%s: ray_check_ccs\n", sc->sc_xname));
sc->sc_timocheck = 0;
for (i = RAY_CCS_CMD_FIRST; i <= RAY_CCS_CMD_LAST; i++) {
if (!sc->sc_ccsinuse[i])
continue;
ccs = RAY_GET_CCS(i);
cmd = SRAM_READ_FIELD_1(sc, ccs, ray_cmd, c_cmd);
switch (cmd) {
case RAY_CMD_START_PARAMS:
case RAY_CMD_UPDATE_MCAST:
case RAY_CMD_UPDATE_PARAMS:
stat = SRAM_READ_FIELD_1(sc, ccs, ray_cmd, c_status);
RAY_DPRINTF(("%s: check ccs idx %d ccs 0x%lx "
"cmd 0x%x stat %d\n", sc->sc_xname, i,
ccs, cmd, stat));
goto breakout;
}
}
breakout:
/* see if we got one of the commands we are looking for */
if (i > RAY_CCS_CMD_LAST)
; /* nothign */
else if (stat == RAY_CCS_STATUS_FREE) {
stat = RAY_CCS_STATUS_COMPLETE;
if ((fp = ray_ccs_done(sc, ccs)))
(*fp)(sc);
} else if (stat != RAY_CCS_STATUS_BUSY) {
if (sc->sc_ccsinuse[i] == 1) {
/* give a chance for the interrupt to occur */
sc->sc_ccsinuse[i] = 2;
if (!sc->sc_timocheck) {
callout_reset(&sc->sc_check_ccs_ch, 1,
ray_check_ccs, sc);
sc->sc_timocheck = 1;
}
} else if ((fp = ray_ccs_done(sc, ccs)))
(*fp)(sc);
} else {
callout_reset(&sc->sc_check_ccs_ch, RAY_CHECK_CCS_TIMEOUT,
ray_check_ccs, sc);
sc->sc_timocheck = 1;
}
splx(s);
}
/*
* read the counters, the card implements the following protocol
* to keep the values from being changed while read: It checks
* the `own' bit and if zero writes the current internal counter
* value, it then sets the `own' bit to 1. If the `own' bit was 1 it
* incremenets its internal counter. The user thus reads the counter
* if the `own' bit is one and then sets the own bit to 0.
*/
static void
ray_update_error_counters(sc)
struct ray_softc *sc;
{
bus_size_t csc;
/* try and update the error counters */
csc = RAY_STATUS_BASE;
if (SRAM_READ_FIELD_1(sc, csc, ray_csc, csc_mrxo_own)) {
sc->sc_rxoverflow +=
SRAM_READ_FIELD_2(sc, csc, ray_csc, csc_mrx_overflow);
SRAM_WRITE_FIELD_1(sc, csc, ray_csc, csc_mrxo_own, 0);
}
if (SRAM_READ_FIELD_1(sc, csc, ray_csc, csc_mrxc_own)) {
sc->sc_rxcksum +=
SRAM_READ_FIELD_2(sc, csc, ray_csc, csc_mrx_overflow);
SRAM_WRITE_FIELD_1(sc, csc, ray_csc, csc_mrxc_own, 0);
}
if (SRAM_READ_FIELD_1(sc, csc, ray_csc, csc_rxhc_own)) {
sc->sc_rxhcksum +=
SRAM_READ_FIELD_2(sc, csc, ray_csc, csc_rx_hcksum);
SRAM_WRITE_FIELD_1(sc, csc, ray_csc, csc_rxhc_own, 0);
}
sc->sc_rxnoise = SRAM_READ_FIELD_1(sc, csc, ray_csc, csc_rx_noise);
}
/*
* one of the commands we issued has completed, process.
*/
static ray_cmd_func_t
ray_ccs_done(sc, ccs)
struct ray_softc *sc;
bus_size_t ccs;
{
struct ifnet *ifp;
ray_cmd_func_t rcmd;
u_int cmd, stat;
ifp = &sc->sc_if;
cmd = SRAM_READ_FIELD_1(sc, ccs, ray_cmd, c_cmd);
stat = SRAM_READ_FIELD_1(sc, ccs, ray_cmd, c_status);
RAY_DPRINTF(("%s: ray_ccs_done idx %ld cmd 0x%x stat %d\n",
sc->sc_xname, RAY_GET_INDEX(ccs), cmd, stat));
rcmd = 0;
switch (cmd) {
/*
* solicited commands
*/
case RAY_CMD_START_PARAMS:
/* start network */
ray_cmd_done(sc, SCP_UPD_STARTUP);
/* ok to start queueing packets */
sc->sc_if.if_flags &= ~IFF_OACTIVE;
sc->sc_omode = sc->sc_mode;
memcpy(&sc->sc_cnwid, &sc->sc_dnwid, sizeof(sc->sc_cnwid));
rcmd = ray_start_join_net;
break;
case RAY_CMD_UPDATE_PARAMS:
rcmd = ray_update_params_done(sc, ccs, stat);
break;
case RAY_CMD_REPORT_PARAMS:
/* get the reported parameters */
ray_cmd_done(sc, SCP_REPORTPARAMS);
if (!sc->sc_repreq)
break;
sc->sc_repreq->r_failcause =
SRAM_READ_FIELD_1(sc, ccs, ray_cmd_report, c_failcause);
sc->sc_repreq->r_len =
SRAM_READ_FIELD_1(sc, ccs, ray_cmd_report, c_len);
ray_read_region(sc, RAY_ECF_TO_HOST_BASE, sc->sc_repreq->r_data,
sc->sc_repreq->r_len);
sc->sc_repreq = 0;
wakeup(ray_report_params);
break;
case RAY_CMD_UPDATE_MCAST:
ray_cmd_done(sc, SCP_UPD_MCAST);
if (stat == RAY_CCS_STATUS_FAIL)
rcmd = ray_reset;
break;
case RAY_CMD_START_NET:
case RAY_CMD_JOIN_NET:
rcmd = ray_start_join_net_done(sc, cmd, ccs, stat);
break;
case RAY_CMD_TX_REQ:
if (sc->sc_if.if_flags & IFF_OACTIVE) {
sc->sc_if.if_flags &= ~IFF_OACTIVE;
/* this may also be a problem */
rcmd = ray_intr_start;
}
/* free it -- no tracking */
SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd, c_status,
RAY_CCS_STATUS_FREE);
goto done;
case RAY_CMD_START_ASSOC:
ray_cmd_done(sc, SCP_STARTASSOC);
if (stat == RAY_CCS_STATUS_FAIL)
rcmd = ray_start_join_net; /* XXX check */
else {
sc->sc_havenet = 1;
rcmd = ray_intr_start;
}
break;
case RAY_CMD_UPDATE_APM:
case RAY_CMD_TEST_MEM:
case RAY_CMD_SHUTDOWN:
case RAY_CMD_DUMP_MEM:
case RAY_CMD_START_TIMER:
break;
default:
printf("%s: intr: unknown command 0x%x\n",
sc->sc_if.if_xname, cmd);
break;
}
ray_free_ccs(sc, ccs);
done:
/*
* see if needed things can be done now that a command
* has completed
*/
ray_check_scheduled(sc);
return (rcmd);
}
/*
* an unsolicted interrupt, i.e., the ECF is sending us a command
*/
static ray_cmd_func_t
ray_rccs_intr(sc, ccs)
struct ray_softc *sc;
bus_size_t ccs;
{
ray_cmd_func_t rcmd;
u_int cmd, stat;
cmd = SRAM_READ_FIELD_1(sc, ccs, ray_cmd, c_cmd);
stat = SRAM_READ_FIELD_1(sc, ccs, ray_cmd, c_status);
RAY_DPRINTF(("%s: ray_rccs_intr idx %ld cmd 0x%x stat %d\n",
sc->sc_xname, RAY_GET_INDEX(ccs), cmd, stat));
rcmd = 0;
switch (cmd) {
/*
* unsolicted commands
*/
case RAY_ECMD_RX_DONE:
ray_recv(sc, ccs);
goto done;
case RAY_ECMD_REJOIN_DONE:
if (sc->sc_mode == SC_MODE_ADHOC)
break;
/* get the current ssid */
SRAM_READ_FIELD_N(sc, ccs, ray_cmd_net, c_bss_id,
sc->sc_bssid, sizeof(sc->sc_bssid));
rcmd = ray_start_assoc;
break;
case RAY_ECMD_ROAM_START:
/* no longer have network */
sc->sc_havenet = 0;
break;
case RAY_ECMD_JAPAN_CALL_SIGNAL:
break;
default:
ray_update_error_counters(sc);
/* this is a bogus return from build 4 don't free 0x55 */
if (sc->sc_version == SC_BUILD_4 && cmd == 0x55
&& RAY_GET_INDEX(ccs) == 0x55) {
goto done;
}
printf("%s: intr: unknown command 0x%x\n",
sc->sc_if.if_xname, cmd);
break;
}
/* free the ccs */
SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd, c_status, RAY_CCS_STATUS_FREE);
done:
return (rcmd);
}
/*
* process an interrupt
*/
static int
ray_intr(arg)
void *arg;
{
struct ray_softc *sc;
ray_cmd_func_t rcmd;
u_int i, count;
sc = arg;
RAY_DPRINTF(("%s: ray_intr\n", sc->sc_xname));
if ((++sc->sc_checkcounters % 32) == 0)
ray_update_error_counters(sc);
count = 0;
rcmd = 0;
if (!REG_READ(sc, RAY_HCSIR))
count = 0;
else {
count = 1;
i = SRAM_READ_1(sc, RAY_SCB_RCCSI);
if (i <= RAY_CCS_LAST)
rcmd = ray_ccs_done(sc, RAY_GET_CCS(i));
else if (i <= RAY_RCCS_LAST)
rcmd = ray_rccs_intr(sc, RAY_GET_CCS(i));
else
printf("%s: intr: bad cmd index %d\n", sc->sc_xname, i);
}
if (rcmd)
(*rcmd)(sc);
if (count)
REG_WRITE(sc, RAY_HCSIR, 0);
RAY_DPRINTF(("%s: interrupt handled %d\n", sc->sc_xname, count));
return (count ? 1 : 0);
}
/*
* Generic CCS handling
*/
/*
* free the chain of descriptors -- used for freeing allocated tx chains
*/
static void
ray_free_ccs_chain(sc, ni)
struct ray_softc *sc;
u_int ni;
{
u_int i;
while ((i = ni) != RAY_CCS_LINK_NULL) {
ni = SRAM_READ_FIELD_1(sc, RAY_GET_CCS(i), ray_cmd, c_link);
SRAM_WRITE_FIELD_1(sc, RAY_GET_CCS(i), ray_cmd, c_status,
RAY_CCS_STATUS_FREE);
}
}
/*
* free up a cmd and return the old status
* this routine is only used for commands
*/
static u_int8_t
ray_free_ccs(sc, ccs)
struct ray_softc *sc;
bus_size_t ccs;
{
u_int8_t stat;
RAY_DPRINTF(("%s: free_ccs idx %ld\n", sc->sc_xname,
RAY_GET_INDEX(ccs)));
stat = SRAM_READ_FIELD_1(sc, ccs, ray_cmd, c_status);
SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd, c_status, RAY_CCS_STATUS_FREE);
if (ccs <= RAY_GET_CCS(RAY_CCS_LAST))
sc->sc_ccsinuse[RAY_GET_INDEX(ccs)] = 0;
return (stat);
}
/*
* returns 1 and in `ccb' the bus offset of the free ccb
* or 0 if none are free
*
* If `track' is not zero, handles tracking this command
* possibly indicating a callback is needed and setting a timeout
* also if ECF isn't ready we terminate earlier to avoid overhead.
*
* this routine is only used for commands
*/
static int
ray_alloc_ccs(sc, ccsp, cmd, track)
struct ray_softc *sc;
bus_size_t *ccsp;
u_int cmd, track;
{
bus_size_t ccs;
u_int i;
RAY_DPRINTF(("%s: alloc_ccs cmd %d\n", sc->sc_xname, cmd));
/* for tracked commands, if not ready just set pending */
if (track && !RAY_ECF_READY(sc)) {
ray_cmd_schedule(sc, track);
return (0);
}
/* first scan our inuse array */
for (i = RAY_CCS_CMD_FIRST; i <= RAY_CCS_CMD_LAST; i++) {
/* XXX wonder if we have to probe here to make the card go */
(void)SRAM_READ_FIELD_1(sc, RAY_GET_CCS(i), ray_cmd, c_status);
if (!sc->sc_ccsinuse[i])
break;
}
if (i > RAY_CCS_CMD_LAST) {
if (track)
ray_cmd_schedule(sc, track);
return (0);
}
sc->sc_ccsinuse[i] = 1;
ccs = RAY_GET_CCS(i);
SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd, c_status, RAY_CCS_STATUS_BUSY);
SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd, c_cmd, cmd);
SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd, c_link, RAY_CCS_LINK_NULL);
*ccsp = ccs;
return (1);
}
/*
* this function sets the pending bit for the command given in 'need'
* and schedules a timeout if none is scheduled already. Any command
* that uses the `host to ecf' region must be serialized.
*/
static void
ray_set_pending(sc, cmdf)
struct ray_softc *sc;
u_int cmdf;
{
RAY_DPRINTF(("%s: ray_set_pending 0x%x\n", sc->sc_xname, cmdf));
sc->sc_scheduled |= cmdf;
if (!sc->sc_timoneed) {
RAY_DPRINTF(("%s: ray_set_pending new timo\n", sc->sc_xname));
callout_reset(&sc->sc_check_scheduled_ch,
RAY_CHECK_SCHED_TIMEOUT, ray_check_scheduled, sc);
sc->sc_timoneed = 1;
}
}
/*
* schedule the `cmdf' for completion later
*/
static void
ray_cmd_schedule(sc, cmdf)
struct ray_softc *sc;
int cmdf;
{
int track;
RAY_DPRINTF(("%s: ray_cmd_schedule 0x%x\n", sc->sc_xname, cmdf));
track = cmdf;
if ((cmdf & SCP_UPD_MASK) == 0)
ray_set_pending(sc, track);
else if (ray_cmd_is_running(sc, SCP_UPDATESUBCMD)) {
/* don't do timeout mechaniscm if subcmd already going */
sc->sc_scheduled |= cmdf;
} else
ray_set_pending(sc, cmdf | SCP_UPDATESUBCMD);
}
/*
* check to see if `cmdf' has been scheduled
*/
static int
ray_cmd_is_scheduled(sc, cmdf)
struct ray_softc *sc;
int cmdf;
{
RAY_DPRINTF(("%s: ray_cmd_is_scheduled 0x%x\n", sc->sc_xname, cmdf));
return ((sc->sc_scheduled & cmdf) ? 1 : 0);
}
/*
* cancel a scheduled command (not a running one though!)
*/
static void
ray_cmd_cancel(sc, cmdf)
struct ray_softc *sc;
int cmdf;
{
RAY_DPRINTF(("%s: ray_cmd_cancel 0x%x\n", sc->sc_xname, cmdf));
sc->sc_scheduled &= ~cmdf;
if ((cmdf & SCP_UPD_MASK) && (sc->sc_scheduled & SCP_UPD_MASK) == 0)
sc->sc_scheduled &= ~SCP_UPDATESUBCMD;
/* if nothing else needed cancel the timer */
if (sc->sc_scheduled == 0 && sc->sc_timoneed) {
callout_stop(&sc->sc_check_scheduled_ch);
sc->sc_timoneed = 0;
}
}
/*
* called to indicate the 'cmdf' has been issued
*/
static void
ray_cmd_ran(sc, cmdf)
struct ray_softc *sc;
int cmdf;
{
RAY_DPRINTF(("%s: ray_cmd_ran 0x%x\n", sc->sc_xname, cmdf));
if (cmdf & SCP_UPD_MASK)
sc->sc_running |= cmdf | SCP_UPDATESUBCMD;
else
sc->sc_running |= cmdf;
if ((cmdf & SCP_TIMOCHECK_CMD_MASK) && !sc->sc_timocheck) {
callout_reset(&sc->sc_check_ccs_ch, RAY_CHECK_CCS_TIMEOUT,
ray_check_ccs, sc);
sc->sc_timocheck = 1;
}
}
/*
* check to see if `cmdf' has been issued
*/
static int
ray_cmd_is_running(sc, cmdf)
struct ray_softc *sc;
int cmdf;
{
RAY_DPRINTF(("%s: ray_cmd_is_running 0x%x\n", sc->sc_xname, cmdf));
return ((sc->sc_running & cmdf) ? 1 : 0);
}
/*
* the given `cmdf' that was issued has completed
*/
static void
ray_cmd_done(sc, cmdf)
struct ray_softc *sc;
int cmdf;
{
RAY_DPRINTF(("%s: ray_cmd_done 0x%x\n", sc->sc_xname, cmdf));
sc->sc_running &= ~cmdf;
if (cmdf & SCP_UPD_MASK) {
sc->sc_running &= ~SCP_UPDATESUBCMD;
if (sc->sc_scheduled & SCP_UPD_MASK)
ray_cmd_schedule(sc, sc->sc_scheduled & SCP_UPD_MASK);
}
if ((sc->sc_running & SCP_TIMOCHECK_CMD_MASK) == 0 && sc->sc_timocheck){
callout_stop(&sc->sc_check_ccs_ch);
sc->sc_timocheck = 0;
}
}
/*
* issue the command
* only used for commands not tx
*/
static int
ray_issue_cmd(sc, ccs, track)
struct ray_softc *sc;
bus_size_t ccs;
u_int track;
{
u_int i;
RAY_DPRINTF(("%s: ray_cmd_issue 0x%x\n", sc->sc_xname, track));
/*
* XXX other drivers did this, but I think
* what we really want to do is just make sure we don't
* get here or that spinning is ok
*/
i = 0;
while (!RAY_ECF_READY(sc))
if (++i > 50) {
ray_free_ccs(sc, ccs);
if (track)
ray_cmd_schedule(sc, track);
return (0);
}
SRAM_WRITE_1(sc, RAY_SCB_CCSI, RAY_GET_INDEX(ccs));
RAY_ECF_START_CMD(sc);
ray_cmd_ran(sc, track);
return (1);
}
/*
* send a simple command if we can
*/
static int
ray_simple_cmd(sc, cmd, track)
struct ray_softc *sc;
u_int cmd, track;
{
bus_size_t ccs;
return (ray_alloc_ccs(sc, &ccs, cmd, track) &&
ray_issue_cmd(sc, ccs, track));
}
/*
* Functions based on CCS commands
*/
/*
* run a update subcommand
*/
static void
ray_update_subcmd(sc)
struct ray_softc *sc;
{
int submask, i;
RAY_DPRINTF(("%s: ray_update_subcmd\n", sc->sc_xname));
ray_cmd_cancel(sc, SCP_UPDATESUBCMD);
if ((sc->sc_if.if_flags & IFF_RUNNING) == 0)
return;
submask = SCP_UPD_FIRST;
for (i = 0; i < ray_nsubcmdtab; submask <<= 1, i++) {
if ((sc->sc_scheduled & SCP_UPD_MASK) == 0)
break;
/* when done the next command will be scheduled */
if (ray_cmd_is_running(sc, SCP_UPDATESUBCMD))
break;
if (!RAY_ECF_READY(sc))
break;
/*
* give priority to LSB -- e.g., if previous loop reschuled
* doing this command after calling the function won't catch
* if a later command sets an earlier bit
*/
if (sc->sc_scheduled & ((submask - 1) & SCP_UPD_MASK))
break;
if (sc->sc_scheduled & submask)
(*ray_subcmdtab[i])(sc);
}
}
/*
* report a parameter
*/
static void
ray_report_params(sc)
struct ray_softc *sc;
{
bus_size_t ccs;
ray_cmd_cancel(sc, SCP_REPORTPARAMS);
if (!sc->sc_repreq)
return;
/* do the issue check before equality check */
if ((sc->sc_if.if_flags & IFF_RUNNING) == 0)
return;
else if (ray_cmd_is_running(sc, SCP_REPORTPARAMS)) {
ray_cmd_schedule(sc, SCP_REPORTPARAMS);
return;
} else if (!ray_alloc_ccs(sc, &ccs, RAY_CMD_REPORT_PARAMS,
SCP_REPORTPARAMS))
return;
SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd_report, c_paramid,
sc->sc_repreq->r_paramid);
SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd_report, c_nparam, 1);
(void)ray_issue_cmd(sc, ccs, SCP_REPORTPARAMS);
}
/*
* start an association
*/
static void
ray_start_assoc(sc)
struct ray_softc *sc;
{
ray_cmd_cancel(sc, SCP_STARTASSOC);
if ((sc->sc_if.if_flags & IFF_RUNNING) == 0)
return;
else if (ray_cmd_is_running(sc, SCP_STARTASSOC))
return;
(void)ray_simple_cmd(sc, RAY_CMD_START_ASSOC, SCP_STARTASSOC);
}
/*
* Subcommand functions that use the SCP_UPDATESUBCMD command
* (and are serialized with respect to other update sub commands
*/
/*
* download the startup parameters to the card
* -- no outstanding commands expected
*/
static void
ray_download_params(sc)
struct ray_softc *sc;
{
struct ray_startup_params_head *sp;
struct ray_startup_params_tail_5 *sp5;
struct ray_startup_params_tail_4 *sp4;
bus_size_t off;
RAY_DPRINTF(("%s: init_startup_params\n", sc->sc_xname));
ray_cmd_cancel(sc, SCP_UPD_STARTUP);
#define PUT2(p, v) \
do { (p)[0] = ((v >> 8) & 0xff); (p)[1] = (v & 0xff); } while(0)
sp = &sc->sc_startup;
sp4 = &sc->sc_startup_4;
sp5 = &sc->sc_startup_5;
memset(sp, 0, sizeof(*sp));
if (sc->sc_version == SC_BUILD_4)
memset(sp4, 0, sizeof(*sp4));
else
memset(sp5, 0, sizeof(*sp5));
/* XXX: Raylink firmware doesn't have length field for ssid */
memcpy(sp->sp_ssid, sc->sc_dnwid.i_nwid, sizeof(sp->sp_ssid));
sp->sp_scan_mode = 0x1;
memcpy(sp->sp_mac_addr, sc->sc_ecf_startup.e_station_addr,
ETHER_ADDR_LEN);
PUT2(sp->sp_frag_thresh, 0x7fff); /* disabled */
if (sc->sc_version == SC_BUILD_4) {
#if 1
/* linux/fbsd */
PUT2(sp->sp_dwell_time, 0x200);
PUT2(sp->sp_beacon_period, 1);
#else
/* divined */
PUT2(sp->sp_dwell_time, 0x400);
PUT2(sp->sp_beacon_period, 0);
#endif
} else {
PUT2(sp->sp_dwell_time, 128);
PUT2(sp->sp_beacon_period, 256);
}
sp->sp_dtim_interval = 1;
#if 0
/* these are the documented defaults for build 5/6 */
sp->sp_max_retry = 0x1f;
sp->sp_ack_timo = 0x86;
sp->sp_sifs = 0x1c;
#elif 1
/* these were scrounged from the linux driver */
sp->sp_max_retry = 0x07;
sp->sp_ack_timo = 0xa3;
sp->sp_sifs = 0x1d;
#else
/* these were divined */
sp->sp_max_retry = 0x03;
sp->sp_ack_timo = 0xa3;
sp->sp_sifs = 0x1d;
#endif
#if 0
/* these are the documented defaults for build 5/6 */
sp->sp_difs = 0x82;
sp->sp_pifs = 0;
#else
/* linux/fbsd */
sp->sp_difs = 0x82;
if (sc->sc_version == SC_BUILD_4)
sp->sp_pifs = 0xce;
else
sp->sp_pifs = 0x4e;
#endif
PUT2(sp->sp_rts_thresh, 0x7fff); /* disabled */
if (sc->sc_version == SC_BUILD_4) {
PUT2(sp->sp_scan_dwell, 0xfb1e);
PUT2(sp->sp_scan_max_dwell, 0xc75c);
} else {
PUT2(sp->sp_scan_dwell, 0x4e2);
PUT2(sp->sp_scan_max_dwell, 0x38a4);
}
sp->sp_assoc_timo = 0x5;
if (sc->sc_version == SC_BUILD_4) {
#if 0
/* linux/fbsd */
sp->sp_adhoc_scan_cycle = 0x4;
sp->sp_infra_scan_cycle = 0x2;
sp->sp_infra_super_scan_cycle = 0x4;
#else
/* divined */
sp->sp_adhoc_scan_cycle = 0x8;
sp->sp_infra_scan_cycle = 0x1;
sp->sp_infra_super_scan_cycle = 0x18;
#endif
} else {
sp->sp_adhoc_scan_cycle = 0x8;
sp->sp_infra_scan_cycle = 0x2;
sp->sp_infra_super_scan_cycle = 0x8;
}
sp->sp_promisc = sc->sc_promisc;
PUT2(sp->sp_uniq_word, 0x0cbd);
if (sc->sc_version == SC_BUILD_4) {
/* XXX whats this value anyway.. the std says 50us */
/* XXX sp->sp_slot_time = 0x4e; */
sp->sp_slot_time = 0x4e;
#if 1
/*linux/fbsd*/
sp->sp_roam_low_snr_thresh = 0xff;
#else
/*divined*/
sp->sp_roam_low_snr_thresh = 0x30;
#endif
} else {
sp->sp_slot_time = 0x32;
sp->sp_roam_low_snr_thresh = 0xff; /* disabled */
}
#if 1
sp->sp_low_snr_count = 0xff; /* disabled */
#else
/* divined -- check */
sp->sp_low_snr_count = 0x07; /* disabled */
#endif
#if 0
sp->sp_infra_missed_beacon_count = 0x2;
#elif 1
/* linux/fbsd */
sp->sp_infra_missed_beacon_count = 0x5;
#else
/* divined -- check, looks fishy */
sp->sp_infra_missed_beacon_count = 0x7;
#endif
sp->sp_adhoc_missed_beacon_count = 0xff;
sp->sp_country_code = sc->sc_dcountrycode;
sp->sp_hop_seq = 0x0b;
if (sc->sc_version == SC_BUILD_4) {
sp->sp_hop_seq_len = 0x4e;
sp4->sp_cw_max = 0x3f; /* single byte on build 4 */
sp4->sp_cw_min = 0x0f; /* single byte on build 4 */
sp4->sp_noise_filter_gain = 0x4;
sp4->sp_noise_limit_offset = 0x8;
sp4->sp_rssi_thresh_offset = 0x28;
sp4->sp_busy_thresh_offset = 0x28;
sp4->sp_sync_thresh = 0x07;
sp4->sp_test_mode = 0x0;
sp4->sp_test_min_chan = 0x2;
sp4->sp_test_max_chan = 0x2;
} else {
sp->sp_hop_seq_len = 0x4f;
PUT2(sp5->sp_cw_max, 0x3f);
PUT2(sp5->sp_cw_min, 0x0f);
sp5->sp_noise_filter_gain = 0x4;
sp5->sp_noise_limit_offset = 0x8;
sp5->sp_rssi_thresh_offset = 0x28;
sp5->sp_busy_thresh_offset = 0x28;
sp5->sp_sync_thresh = 0x07;
sp5->sp_test_mode = 0x0;
sp5->sp_test_min_chan = 0x2;
sp5->sp_test_max_chan = 0x2;
#if 0
sp5->sp_allow_probe_resp = 0x1;
#else
sp5->sp_allow_probe_resp = 0x0;
#endif
sp5->sp_privacy_must_start = 0x0;
sp5->sp_privacy_can_join = 0x0;
sp5->sp_basic_rate_set[0] = 0x2;
/* 2 = 1Mbps, 3 = old 2Mbps 4 = 2Mbps */
}
/* we shouldn't be called with some command pending */
if (!RAY_ECF_READY(sc))
panic("ray_download_params busy");
/* write the compatible part */
off = RAY_HOST_TO_ECF_BASE;
ray_write_region(sc, off, sp, sizeof(sc->sc_startup));
off += sizeof(sc->sc_startup);
if (sc->sc_version == SC_BUILD_4)
ray_write_region(sc, off, sp4, sizeof(*sp4));
else
ray_write_region(sc, off, sp5, sizeof(*sp5));
if (!ray_simple_cmd(sc, RAY_CMD_START_PARAMS, SCP_UPD_STARTUP))
panic("ray_download_params issue");
}
/*
* start or join a network
*/
static void
ray_start_join_net(sc)
struct ray_softc *sc;
{
struct ray_net_params np;
bus_size_t ccs;
int cmd;
ray_cmd_cancel(sc, SCP_UPD_STARTJOIN);
if ((sc->sc_if.if_flags & IFF_RUNNING) == 0)
return;
/* XXX check we may not want to re-issue */
if (ray_cmd_is_running(sc, SCP_UPDATESUBCMD)) {
ray_cmd_schedule(sc, SCP_UPD_STARTJOIN);
return;
}
if (sc->sc_mode == SC_MODE_ADHOC)
cmd = RAY_CMD_START_NET;
else
cmd = RAY_CMD_JOIN_NET;
if (!ray_alloc_ccs(sc, &ccs, cmd, SCP_UPD_STARTJOIN))
return;
sc->sc_startccs = ccs;
sc->sc_startcmd = cmd;
if (!memcmp(&sc->sc_cnwid, &sc->sc_dnwid, sizeof(sc->sc_cnwid))
&& sc->sc_omode == sc->sc_mode)
SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd_net, c_upd_param, 0);
else {
sc->sc_havenet = 0;
memset(&np, 0, sizeof(np));
np.p_net_type = sc->sc_mode;
memcpy(np.p_ssid, sc->sc_dnwid.i_nwid, sizeof(np.p_ssid));
ray_write_region(sc, RAY_HOST_TO_ECF_BASE, &np, sizeof(np));
SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd_net, c_upd_param, 1);
}
if (ray_issue_cmd(sc, ccs, SCP_UPD_STARTJOIN))
callout_reset(&sc->sc_start_join_timo_ch, RAY_START_TIMEOUT,
ray_start_join_timo, sc);
}
static void
ray_start_join_timo(arg)
void *arg;
{
struct ray_softc *sc;
u_int stat;
sc = arg;
stat = SRAM_READ_FIELD_1(sc, sc->sc_startccs, ray_cmd, c_status);
ray_start_join_net_done(sc, sc->sc_startcmd, sc->sc_startccs, stat);
}
/*
* The start/join has completed. Note: we timeout the start
* command because it seems to fail to work at least on the
* build 4 firmware without reporting an error. This actually
* may be a result of not putting the correct params in the
* initial download. If this is a timeout `stat' will be
* marked busy.
*/
static ray_cmd_func_t
ray_start_join_net_done(sc, cmd, ccs, stat)
struct ray_softc *sc;
u_int cmd;
bus_size_t ccs;
u_int stat;
{
int i;
struct ray_net_params np;
callout_stop(&sc->sc_start_join_timo_ch);
ray_cmd_done(sc, SCP_UPD_STARTJOIN);
if (stat == RAY_CCS_STATUS_FAIL) {
/* XXX poke ifmedia when it supports this */
sc->sc_havenet = 0;
return (ray_start_join_net);
}
if (stat == RAY_CCS_STATUS_BUSY || stat == RAY_CCS_STATUS_FREE) {
/* handle the timeout condition */
callout_reset(&sc->sc_start_join_timo_ch, RAY_START_TIMEOUT,
ray_start_join_timo, sc);
/* be safe -- not a lot occurs with no net though */
if (!RAY_ECF_READY(sc))
return (0);
/* see if our nwid is up to date */
if (!memcmp(&sc->sc_cnwid, &sc->sc_dnwid, sizeof(sc->sc_cnwid))
&& sc->sc_omode == sc->sc_mode)
SRAM_WRITE_FIELD_1(sc,ccs, ray_cmd_net, c_upd_param, 0);
else {
memset(&np, 0, sizeof(np));
np.p_net_type = sc->sc_mode;
memcpy(np.p_ssid, sc->sc_dnwid.i_nwid,
sizeof(np.p_ssid));
ray_write_region(sc, RAY_HOST_TO_ECF_BASE, &np,
sizeof(np));
SRAM_WRITE_FIELD_1(sc,ccs, ray_cmd_net, c_upd_param, 1);
}
if (sc->sc_mode == SC_MODE_ADHOC)
cmd = RAY_CMD_START_NET;
else
cmd = RAY_CMD_JOIN_NET;
SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd_net, c_cmd,
RAY_CCS_STATUS_BUSY);
SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd_net, c_status,
RAY_CCS_STATUS_BUSY);
/* we simply poke the card again issuing the same ccs */
SRAM_WRITE_1(sc, RAY_SCB_CCSI, RAY_GET_INDEX(ccs));
RAY_ECF_START_CMD(sc);
ray_cmd_ran(sc, SCP_UPD_STARTJOIN);
return (0);
}
/* get the current ssid */
SRAM_READ_FIELD_N(sc, ccs, ray_cmd_net, c_bss_id, sc->sc_bssid,
sizeof(sc->sc_bssid));
sc->sc_deftxrate = SRAM_READ_FIELD_1(sc, ccs, ray_cmd_net,c_def_txrate);
sc->sc_encrypt = SRAM_READ_FIELD_1(sc, ccs, ray_cmd_net, c_encrypt);
/* adjust values for buggy build 4 */
if (sc->sc_deftxrate == 0x55)
sc->sc_deftxrate = RAY_PID_BASIC_RATE_1500K;
if (sc->sc_encrypt == 0x55)
sc->sc_encrypt = 0;
if (SRAM_READ_FIELD_1(sc, ccs, ray_cmd_net, c_upd_param)) {
ray_read_region(sc, RAY_HOST_TO_ECF_BASE, &np, sizeof(np));
/* XXX: Raylink firmware doesn't have length field for ssid */
for (i = 0; i < sizeof(np.p_ssid); i++) {
if (np.p_ssid[i] == '\0')
break;
}
sc->sc_cnwid.i_len = i;
memcpy(sc->sc_cnwid.i_nwid, np.p_ssid, sizeof(sc->sc_cnwid));
sc->sc_omode = sc->sc_mode;
if (np.p_net_type != sc->sc_mode)
return (ray_start_join_net);
}
RAY_DPRINTF(("%s: net start/join nwid %.32s bssid %s inited %d\n",
sc->sc_xname, sc->sc_cnwid.i_nwid, ether_sprintf(sc->sc_bssid),
SRAM_READ_FIELD_1(sc, ccs, ray_cmd_net, c_inited)));
/* network is now active */
ray_cmd_schedule(sc, SCP_UPD_MCAST|SCP_UPD_PROMISC);
if (cmd == RAY_CMD_JOIN_NET)
return (ray_start_assoc);
else {
sc->sc_havenet = 1;
return (ray_intr_start);
}
}
/*
* set the card in/out of promiscuous mode
*/
static void
ray_update_promisc(sc)
struct ray_softc *sc;
{
bus_size_t ccs;
int promisc;
ray_cmd_cancel(sc, SCP_UPD_PROMISC);
/* do the issue check before equality check */
if (sc->sc_if.if_flags & IFF_ALLMULTI)
sc->sc_if.if_flags |= IFF_PROMISC;
else if (sc->sc_if.if_pcount == 0)
sc->sc_if.if_flags &= ~IFF_PROMISC;
promisc = !!(sc->sc_if.if_flags & IFF_PROMISC);
if ((sc->sc_if.if_flags & IFF_RUNNING) == 0)
return;
else if (ray_cmd_is_running(sc, SCP_UPDATESUBCMD)) {
ray_cmd_schedule(sc, SCP_UPD_PROMISC);
return;
} else if (promisc == sc->sc_promisc)
return;
else if (!ray_alloc_ccs(sc,&ccs,RAY_CMD_UPDATE_PARAMS, SCP_UPD_PROMISC))
return;
SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd_update, c_paramid, RAY_PID_PROMISC);
SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd_update, c_nparam, 1);
SRAM_WRITE_1(sc, RAY_HOST_TO_ECF_BASE, promisc);
(void)ray_issue_cmd(sc, ccs, SCP_UPD_PROMISC);
}
/*
* update the parameter based on what the user passed in
*/
static void
ray_update_params(sc)
struct ray_softc *sc;
{
bus_size_t ccs;
ray_cmd_cancel(sc, SCP_UPD_UPDATEPARAMS);
if (!sc->sc_updreq) {
/* XXX do we need to wakeup here? */
return;
}
/* do the issue check before equality check */
if ((sc->sc_if.if_flags & IFF_RUNNING) == 0)
return;
else if (ray_cmd_is_running(sc, SCP_UPDATESUBCMD)) {
ray_cmd_schedule(sc, SCP_UPD_UPDATEPARAMS);
return;
} else if (!ray_alloc_ccs(sc, &ccs, RAY_CMD_UPDATE_PARAMS,
SCP_UPD_UPDATEPARAMS))
return;
SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd_update, c_paramid,
sc->sc_updreq->r_paramid);
SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd_update, c_nparam, 1);
ray_write_region(sc, RAY_HOST_TO_ECF_BASE, sc->sc_updreq->r_data,
sc->sc_updreq->r_len);
(void)ray_issue_cmd(sc, ccs, SCP_UPD_UPDATEPARAMS);
}
/*
* set the multicast filter list
*/
static void
ray_update_mcast(sc)
struct ray_softc *sc;
{
bus_size_t ccs;
struct ether_multistep step;
struct ether_multi *enm;
struct ethercom *ec;
bus_size_t bufp;
int count;
ec = &sc->sc_ec;
ray_cmd_cancel(sc, SCP_UPD_MCAST);
/* see if we have any ranges */
if ((count = sc->sc_ec.ec_multicnt) < 17) {
ETHER_FIRST_MULTI(step, ec, enm);
while (enm) {
/* see if this is a range */
if (memcmp(enm->enm_addrlo, enm->enm_addrhi,
ETHER_ADDR_LEN)) {
count = 17;
break;
}
ETHER_NEXT_MULTI(step, enm);
}
}
/* track this stuff even when not running */
if (count > 16) {
sc->sc_if.if_flags |= IFF_ALLMULTI;
ray_update_promisc(sc);
return;
} else if (sc->sc_if.if_flags & IFF_ALLMULTI) {
sc->sc_if.if_flags &= ~IFF_ALLMULTI;
ray_update_promisc(sc);
}
if ((sc->sc_if.if_flags & IFF_RUNNING) == 0)
return;
else if (ray_cmd_is_running(sc, SCP_UPDATESUBCMD)) {
ray_cmd_schedule(sc, SCP_UPD_MCAST);
return;
} else if (!ray_alloc_ccs(sc,&ccs, RAY_CMD_UPDATE_MCAST, SCP_UPD_MCAST))
return;
SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd_update_mcast, c_nmcast, count);
bufp = RAY_HOST_TO_ECF_BASE;
ETHER_FIRST_MULTI(step, ec, enm);
while (enm) {
ray_write_region(sc, bufp, enm->enm_addrlo, ETHER_ADDR_LEN);
bufp += ETHER_ADDR_LEN;
ETHER_NEXT_MULTI(step, enm);
}
(void)ray_issue_cmd(sc, ccs, SCP_UPD_MCAST);
}
/*
* User issued commands
*/
/*
* issue a update params
*
* expected to be called in sleapable context -- intended for user stuff
*/
static int
ray_user_update_params(sc, pr)
struct ray_softc *sc;
struct ray_param_req *pr;
{
int rv;
if ((sc->sc_if.if_flags & IFF_RUNNING) == 0) {
pr->r_failcause = RAY_FAILCAUSE_EDEVSTOP;
return (EIO);
}
/* wait to be able to issue the command */
rv = 0;
while (ray_cmd_is_running(sc, SCP_UPD_UPDATEPARAMS) ||
ray_cmd_is_scheduled(sc, SCP_UPD_UPDATEPARAMS)) {
rv = tsleep(ray_update_params, 0|PCATCH, "cmd in use", 0);
if (rv)
return (rv);
if ((sc->sc_if.if_flags & IFF_RUNNING) == 0) {
pr->r_failcause = RAY_FAILCAUSE_EDEVSTOP;
return (EIO);
}
}
pr->r_failcause = RAY_FAILCAUSE_WAITING;
sc->sc_updreq = pr;
ray_cmd_schedule(sc, SCP_UPD_UPDATEPARAMS);
ray_check_scheduled(sc);
while (pr->r_failcause == RAY_FAILCAUSE_WAITING)
(void)tsleep(ray_update_params, 0, "waiting cmd", 0);
wakeup(ray_update_params);
return (0);
}
/*
* issue a report params
*
* expected to be called in sleapable context -- intended for user stuff
*/
static int
ray_user_report_params(sc, pr)
struct ray_softc *sc;
struct ray_param_req *pr;
{
int rv;
if ((sc->sc_if.if_flags & IFF_RUNNING) == 0) {
pr->r_failcause = RAY_FAILCAUSE_EDEVSTOP;
return (EIO);
}
/* wait to be able to issue the command */
rv = 0;
while (ray_cmd_is_running(sc, SCP_REPORTPARAMS)
|| ray_cmd_is_scheduled(sc, SCP_REPORTPARAMS)) {
rv = tsleep(ray_report_params, 0|PCATCH, "cmd in use", 0);
if (rv)
return (rv);
if ((sc->sc_if.if_flags & IFF_RUNNING) == 0) {
pr->r_failcause = RAY_FAILCAUSE_EDEVSTOP;
return (EIO);
}
}
pr->r_failcause = RAY_FAILCAUSE_WAITING;
sc->sc_repreq = pr;
ray_cmd_schedule(sc, SCP_REPORTPARAMS);
ray_check_scheduled(sc);
while (pr->r_failcause == RAY_FAILCAUSE_WAITING)
(void)tsleep(ray_report_params, 0, "waiting cmd", 0);
wakeup(ray_report_params);
return (0);
}
/*
* this is a temporary wrapper around bus_space_read_region_1
* as it seems to mess with gcc. the line numbers get offset
* presumably this is related to the inline asm on i386.
*/
static void
ray_read_region(sc, off, vp, c)
struct ray_softc *sc;
bus_size_t off;
void *vp;
size_t c;
{
#ifdef RAY_USE_OPTIMIZED_COPY
u_int n2, n4, tmp;
u_int8_t *p;
p = vp;
/* XXX we may be making poor assumptions here but lets hope */
switch ((off|(bus_addr_t)p) & 0x03) {
case 0:
if ((n4 = c / 4)) {
bus_space_read_region_4(sc->sc_memt, sc->sc_memh, off,
p, n4);
tmp = c & ~0x3;
c &= 0x3;
p += tmp;
off += tmp;
}
switch (c) {
case 3:
*p = bus_space_read_1(sc->sc_memt,sc->sc_memh, off);
p++, off++;
case 2:
*p = bus_space_read_1(sc->sc_memt,sc->sc_memh, off);
p++, off++;
case 1:
*p = bus_space_read_1(sc->sc_memt,sc->sc_memh, off);
}
break;
case 2:
if ((n2 = (c >> 1)))
bus_space_read_region_2(sc->sc_memt, sc->sc_memh, off,
p, n2);
if (c & 1) {
c &= ~0x1;
*(p + c) = bus_space_read_1(sc->sc_memt, sc->sc_memh,
off + c);
}
break;
case 1:
case 3:
bus_space_read_region_1(sc->sc_memt, sc->sc_memh, off, p, c);
break;
}
#else
bus_space_read_region_1(sc->sc_memt, sc->sc_memh, off, vp, c);
#endif
}
/*
* this is a temporary wrapper around bus_space_write_region_1
* as it seems to mess with gcc. the line numbers get offset
* presumably this is related to the inline asm on i386.
*/
static void
ray_write_region(sc, off, vp, c)
struct ray_softc *sc;
bus_size_t off;
void *vp;
size_t c;
{
#ifdef RAY_USE_OPTIMIZED_COPY
size_t n2, n4, tmp;
u_int8_t *p;
p = vp;
/* XXX we may be making poor assumptions here but lets hope */
switch ((off|(bus_addr_t)p) & 0x03) {
case 0:
if ((n4 = (c >> 2))) {
bus_space_write_region_4(sc->sc_memt, sc->sc_memh, off,
p, n4);
tmp = c & ~0x3;
c &= 0x3;
p += tmp;
off += tmp;
}
switch (c) {
case 3:
bus_space_write_1(sc->sc_memt,sc->sc_memh, off, *p);
p++, off++;
case 2:
bus_space_write_1(sc->sc_memt,sc->sc_memh, off, *p);
p++, off++;
case 1:
bus_space_write_1(sc->sc_memt,sc->sc_memh, off, *p);
}
break;
case 2:
if ((n2 = (c >> 1)))
bus_space_write_region_2(sc->sc_memt, sc->sc_memh, off,
p, n2);
if (c & 0x1) {
c &= ~0x1;
bus_space_write_1(sc->sc_memt, sc->sc_memh,
off + c, *(p + c));
}
break;
case 1:
case 3:
bus_space_write_region_1(sc->sc_memt, sc->sc_memh, off, p, c);
break;
}
#else
bus_space_write_region_1(sc->sc_memt, sc->sc_memh, off, vp, c);
#endif
}
#ifdef RAY_DEBUG
#define PRINTABLE(c) ((c) >= 0x20 && (c) <= 0x7f)
void
hexdump(const u_int8_t *d, int len, int br, int div, int fl)
{
int i, j, offw, first, tlen, ni, nj, sp;
sp = br / div;
offw = 0;
if (len && (fl & HEXDF_NOOFFSET) == 0) {
tlen = len;
do {
offw++;
} while (tlen /= br);
}
if (offw)
printf("%0*x: ", offw, 0);
for (i = 0; i < len; i++, d++) {
if (i && (i % br) == 0) {
if ((fl & HEXDF_NOASCII) == 0) {
printf(" ");
d -= br;
for (j = 0; j < br; d++, j++) {
if (j && (j % sp) == 0)
printf(" ");
if (PRINTABLE(*d))
printf("%c", (int)*d);
else
printf(".");
}
}
if (offw)
printf("\n%0*x: ", offw, i);
else
printf("\n");
if ((fl & HEXDF_NOCOMPRESS) == 0) {
first = 1;
while (len - i >= br) {
if (memcmp(d, d - br, br))
break;
d += br;
i += br;
if (first) {
printf("*");
first = 0;
}
}
if (len == i) {
printf("\n%0*x", offw, i);
return;
}
}
} else if (i && (i % sp) == 0)
printf(" ");
printf("%02x ", *d);
}
if (len && (((i - 1) % br) || i == 1)) {
if ((fl & HEXDF_NOASCII) == 0) {
i = i % br ? i % br : br;
ni = (br - i) % br;
j = (i - 1) / sp;
nj = (div - j - 1) % div;
j = 3 * ni + nj + 3;
printf("%*s", j, "");
d -= i;
for (j = 0; j < i; d++, j++) {
if (j && (j % sp) == 0)
printf(" ");
if (PRINTABLE(*d))
printf("%c", (int)*d);
else
printf(".");
}
}
printf("\n");
}
}
static void
ray_dump_mbuf(sc, m)
struct ray_softc *sc;
struct mbuf *m;
{
u_int8_t *d, *ed;
u_int i;
printf("%s: pkt dump:", sc->sc_xname);
i = 0;
for (; m; m = m->m_next) {
d = mtod(m, u_int8_t *);
ed = d + m->m_len;
for (; d < ed; i++, d++) {
if ((i % 16) == 0)
printf("\n\t");
else if ((i % 8) == 0)
printf(" ");
printf(" %02x", *d);
}
}
if ((i - 1) % 16)
printf("\n");
}
#endif /* RAY_DEBUG */
#ifdef RAY_DO_SIGLEV
static void
ray_update_siglev(sc, src, siglev)
struct ray_softc *sc;
u_int8_t *src;
u_int8_t siglev;
{
int i, mini;
struct timeval mint;
struct ray_siglev *sl;
/* try to find host */
for (i = 0; i < RAY_NSIGLEVRECS; i++) {
sl = &sc->sc_siglevs[i];
if (memcmp(sl->rsl_host, src, ETHER_ADDR_LEN) == 0)
goto found;
}
/* not found, find oldest slot */
mini = 0;
mint.tv_sec = LONG_MAX;
mint.tv_usec = 0;
for (i = 0; i < RAY_NSIGLEVRECS; i++) {
sl = &sc->sc_siglevs[i];
if (timercmp(&sl->rsl_time, &mint, <)) {
mini = i;
mint = sl->rsl_time;
}
}
sl = &sc->sc_siglevs[mini];
memset(sl->rsl_siglevs, 0, RAY_NSIGLEV);
memcpy(sl->rsl_host, src, ETHER_ADDR_LEN);
found:
microtime(&sl->rsl_time);
memmove(&sl->rsl_siglevs[1], sl->rsl_siglevs, RAY_NSIGLEV-1);
sl->rsl_siglevs[0] = siglev;
}
#endif
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