diff options
Diffstat (limited to 'drivers/isdn/gigaset')
-rw-r--r-- | drivers/isdn/gigaset/Kconfig | 4 | ||||
-rw-r--r-- | drivers/isdn/gigaset/bas-gigaset.c | 71 | ||||
-rw-r--r-- | drivers/isdn/gigaset/capi.c | 67 | ||||
-rw-r--r-- | drivers/isdn/gigaset/common.c | 2 | ||||
-rw-r--r-- | drivers/isdn/gigaset/ev-layer.c | 226 | ||||
-rw-r--r-- | drivers/isdn/gigaset/gigaset.h | 16 | ||||
-rw-r--r-- | drivers/isdn/gigaset/i4l.c | 4 | ||||
-rw-r--r-- | drivers/isdn/gigaset/interface.c | 37 | ||||
-rw-r--r-- | drivers/isdn/gigaset/ser-gigaset.c | 27 | ||||
-rw-r--r-- | drivers/isdn/gigaset/usb-gigaset.c | 29 |
10 files changed, 177 insertions, 306 deletions
diff --git a/drivers/isdn/gigaset/Kconfig b/drivers/isdn/gigaset/Kconfig index dcefedc7044..b18a92c3218 100644 --- a/drivers/isdn/gigaset/Kconfig +++ b/drivers/isdn/gigaset/Kconfig @@ -17,8 +17,7 @@ menuconfig ISDN_DRV_GIGASET if ISDN_DRV_GIGASET config GIGASET_CAPI - bool "Gigaset CAPI support (EXPERIMENTAL)" - depends on EXPERIMENTAL + bool "Gigaset CAPI support" depends on ISDN_CAPI='y'||(ISDN_CAPI='m'&&ISDN_DRV_GIGASET='m') default ISDN_I4L='n' help @@ -27,6 +26,7 @@ config GIGASET_CAPI subsystem you'll have to enable the capidrv glue driver. (select ISDN_CAPI_CAPIDRV.) Say N to build the old native ISDN4Linux variant. + If unsure, say Y. config GIGASET_I4L bool diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c index 47a5ffec55a..707d9c94cf9 100644 --- a/drivers/isdn/gigaset/bas-gigaset.c +++ b/drivers/isdn/gigaset/bas-gigaset.c @@ -1188,24 +1188,6 @@ static void write_iso_tasklet(unsigned long data) break; } } -#ifdef CONFIG_GIGASET_DEBUG - /* check assumption on remaining frames */ - for (; i < BAS_NUMFRAMES; i++) { - ifd = &urb->iso_frame_desc[i]; - if (ifd->status != -EINPROGRESS - || ifd->actual_length != 0) { - dev_warn(cs->dev, - "isochronous write: frame %d: %s, " - "%d of %d bytes sent\n", - i, get_usb_statmsg(ifd->status), - ifd->actual_length, ifd->length); - offset = (ifd->offset + - ifd->actual_length) - % BAS_OUTBUFSIZE; - break; - } - } -#endif break; case -EPIPE: /* stall - probably underrun */ dev_err(cs->dev, "isochronous write stalled\n"); @@ -1913,65 +1895,43 @@ static int start_cbsend(struct cardstate *cs) * USB transmission is started if necessary. * parameters: * cs controller state structure - * buf command string to send - * len number of bytes to send (max. IF_WRITEBUF) - * wake_tasklet tasklet to run when transmission is completed - * (NULL if none) + * cb command buffer structure * return value: * number of bytes queued on success * error code < 0 on error */ -static int gigaset_write_cmd(struct cardstate *cs, - const unsigned char *buf, int len, - struct tasklet_struct *wake_tasklet) +static int gigaset_write_cmd(struct cardstate *cs, struct cmdbuf_t *cb) { - struct cmdbuf_t *cb; unsigned long flags; int rc; gigaset_dbg_buffer(cs->mstate != MS_LOCKED ? DEBUG_TRANSCMD : DEBUG_LOCKCMD, - "CMD Transmit", len, buf); - - if (len <= 0) { - /* nothing to do */ - rc = 0; - goto notqueued; - } + "CMD Transmit", cb->len, cb->buf); /* translate "+++" escape sequence sent as a single separate command * into "close AT channel" command for error recovery * The next command will reopen the AT channel automatically. */ - if (len == 3 && !memcmp(buf, "+++", 3)) { + if (cb->len == 3 && !memcmp(cb->buf, "+++", 3)) { rc = req_submit(cs->bcs, HD_CLOSE_ATCHANNEL, 0, BAS_TIMEOUT); - goto notqueued; - } - - if (len > IF_WRITEBUF) - len = IF_WRITEBUF; - cb = kmalloc(sizeof(struct cmdbuf_t) + len, GFP_ATOMIC); - if (!cb) { - dev_err(cs->dev, "%s: out of memory\n", __func__); - rc = -ENOMEM; - goto notqueued; + if (cb->wake_tasklet) + tasklet_schedule(cb->wake_tasklet); + if (!rc) + rc = cb->len; + kfree(cb); + return rc; } - memcpy(cb->buf, buf, len); - cb->len = len; - cb->offset = 0; - cb->next = NULL; - cb->wake_tasklet = wake_tasklet; - spin_lock_irqsave(&cs->cmdlock, flags); cb->prev = cs->lastcmdbuf; if (cs->lastcmdbuf) cs->lastcmdbuf->next = cb; else { cs->cmdbuf = cb; - cs->curlen = len; + cs->curlen = cb->len; } - cs->cmdbytes += len; + cs->cmdbytes += cb->len; cs->lastcmdbuf = cb; spin_unlock_irqrestore(&cs->cmdlock, flags); @@ -1988,12 +1948,7 @@ static int gigaset_write_cmd(struct cardstate *cs, } rc = start_cbsend(cs); spin_unlock_irqrestore(&cs->lock, flags); - return rc < 0 ? rc : len; - -notqueued: /* request handled without queuing */ - if (wake_tasklet) - tasklet_schedule(wake_tasklet); - return rc; + return rc < 0 ? rc : cb->len; } /* gigaset_write_room diff --git a/drivers/isdn/gigaset/capi.c b/drivers/isdn/gigaset/capi.c index 6fbe8999c41..bcc174e4f3b 100644 --- a/drivers/isdn/gigaset/capi.c +++ b/drivers/isdn/gigaset/capi.c @@ -45,6 +45,7 @@ #define CAPI_FACILITY_LI 0x0005 #define CAPI_SUPPSVC_GETSUPPORTED 0x0000 +#define CAPI_SUPPSVC_LISTEN 0x0001 /* missing from capiutil.h */ #define CAPIMSG_PLCI_PART(m) CAPIMSG_U8(m, 9) @@ -270,9 +271,13 @@ static inline void dump_rawmsg(enum debuglevel level, const char *tag, kfree(dbgline); if (CAPIMSG_COMMAND(data) == CAPI_DATA_B3 && (CAPIMSG_SUBCOMMAND(data) == CAPI_REQ || - CAPIMSG_SUBCOMMAND(data) == CAPI_IND) && - CAPIMSG_DATALEN(data) > 0) { + CAPIMSG_SUBCOMMAND(data) == CAPI_IND)) { l = CAPIMSG_DATALEN(data); + gig_dbg(level, " DataLength=%d", l); + if (l <= 0 || !(gigaset_debuglevel & DEBUG_LLDATA)) + return; + if (l > 64) + l = 64; /* arbitrary limit */ dbgline = kmalloc(3*l, GFP_ATOMIC); if (!dbgline) return; @@ -378,13 +383,13 @@ void gigaset_skb_sent(struct bc_state *bcs, struct sk_buff *dskb) ++bcs->trans_up; if (!ap) { - dev_err(cs->dev, "%s: no application\n", __func__); + gig_dbg(DEBUG_MCMD, "%s: application gone", __func__); return; } /* don't send further B3 messages if disconnected */ if (bcs->apconnstate < APCONN_ACTIVE) { - gig_dbg(DEBUG_LLDATA, "disconnected, discarding ack"); + gig_dbg(DEBUG_MCMD, "%s: disconnected", __func__); return; } @@ -422,13 +427,14 @@ void gigaset_skb_rcvd(struct bc_state *bcs, struct sk_buff *skb) bcs->trans_down++; if (!ap) { - dev_err(cs->dev, "%s: no application\n", __func__); + gig_dbg(DEBUG_MCMD, "%s: application gone", __func__); + dev_kfree_skb_any(skb); return; } /* don't send further B3 messages if disconnected */ if (bcs->apconnstate < APCONN_ACTIVE) { - gig_dbg(DEBUG_LLDATA, "disconnected, discarding data"); + gig_dbg(DEBUG_MCMD, "%s: disconnected", __func__); dev_kfree_skb_any(skb); return; } @@ -454,7 +460,7 @@ void gigaset_skb_rcvd(struct bc_state *bcs, struct sk_buff *skb) /* Data64 parameter not present */ /* emit message */ - dump_rawmsg(DEBUG_LLDATA, "DATA_B3_IND", skb->data); + dump_rawmsg(DEBUG_MCMD, __func__, skb->data); capi_ctr_handle_message(&iif->ctr, ap->id, skb); } EXPORT_SYMBOL_GPL(gigaset_skb_rcvd); @@ -747,7 +753,7 @@ void gigaset_isdn_connD(struct bc_state *bcs) ap = bcs->ap; if (!ap) { spin_unlock_irqrestore(&bcs->aplock, flags); - dev_err(cs->dev, "%s: no application\n", __func__); + gig_dbg(DEBUG_CMD, "%s: application gone", __func__); return; } if (bcs->apconnstate == APCONN_NONE) { @@ -843,7 +849,7 @@ void gigaset_isdn_connB(struct bc_state *bcs) ap = bcs->ap; if (!ap) { spin_unlock_irqrestore(&bcs->aplock, flags); - dev_err(cs->dev, "%s: no application\n", __func__); + gig_dbg(DEBUG_CMD, "%s: application gone", __func__); return; } if (!bcs->apconnstate) { @@ -901,13 +907,12 @@ void gigaset_isdn_connB(struct bc_state *bcs) */ void gigaset_isdn_hupB(struct bc_state *bcs) { - struct cardstate *cs = bcs->cs; struct gigaset_capi_appl *ap = bcs->ap; /* ToDo: assure order of DISCONNECT_B3_IND and DISCONNECT_IND ? */ if (!ap) { - dev_err(cs->dev, "%s: no application\n", __func__); + gig_dbg(DEBUG_CMD, "%s: application gone", __func__); return; } @@ -978,6 +983,9 @@ static void gigaset_register_appl(struct capi_ctr *ctr, u16 appl, struct cardstate *cs = ctr->driverdata; struct gigaset_capi_appl *ap; + gig_dbg(DEBUG_CMD, "%s [%u] l3cnt=%u blkcnt=%u blklen=%u", + __func__, appl, rp->level3cnt, rp->datablkcnt, rp->datablklen); + list_for_each_entry(ap, &iif->appls, ctrlist) if (ap->id == appl) { dev_notice(cs->dev, @@ -1044,6 +1052,7 @@ static inline void remove_appl_from_channel(struct bc_state *bcs, do { if (bcap->bcnext == ap) { bcap->bcnext = bcap->bcnext->bcnext; + spin_unlock_irqrestore(&bcs->aplock, flags); return; } bcap = bcap->bcnext; @@ -1062,6 +1071,8 @@ static void gigaset_release_appl(struct capi_ctr *ctr, u16 appl) struct gigaset_capi_appl *ap, *tmp; unsigned ch; + gig_dbg(DEBUG_CMD, "%s [%u]", __func__, appl); + list_for_each_entry_safe(ap, tmp, &iif->appls, ctrlist) if (ap->id == appl) { /* remove from any channels */ @@ -1142,7 +1153,7 @@ static void do_facility_req(struct gigaset_capi_ctr *iif, case CAPI_FACILITY_SUPPSVC: /* decode Function parameter */ pparam = cmsg->FacilityRequestParameter; - if (pparam == NULL || *pparam < 2) { + if (pparam == NULL || pparam[0] < 2) { dev_notice(cs->dev, "%s: %s missing\n", "FACILITY_REQ", "Facility Request Parameter"); send_conf(iif, ap, skb, CapiIllMessageParmCoding); @@ -1159,8 +1170,32 @@ static void do_facility_req(struct gigaset_capi_ctr *iif, /* Supported Services: none */ capimsg_setu32(confparam, 6, 0); break; + case CAPI_SUPPSVC_LISTEN: + if (pparam[0] < 7 || pparam[3] < 4) { + dev_notice(cs->dev, "%s: %s missing\n", + "FACILITY_REQ", "Notification Mask"); + send_conf(iif, ap, skb, + CapiIllMessageParmCoding); + return; + } + if (CAPIMSG_U32(pparam, 4) != 0) { + dev_notice(cs->dev, + "%s: unsupported supplementary service notification mask 0x%x\n", + "FACILITY_REQ", CAPIMSG_U32(pparam, 4)); + info = CapiFacilitySpecificFunctionNotSupported; + confparam[3] = 2; /* length */ + capimsg_setu16(confparam, 4, + CapiSupplementaryServiceNotSupported); + } + info = CapiSuccess; + confparam[3] = 2; /* length */ + capimsg_setu16(confparam, 4, CapiSuccess); + break; /* ToDo: add supported services */ default: + dev_notice(cs->dev, + "%s: unsupported supplementary service function 0x%04x\n", + "FACILITY_REQ", function); info = CapiFacilitySpecificFunctionNotSupported; /* Supplementary Service specific parameter */ confparam[3] = 2; /* length */ @@ -1951,11 +1986,7 @@ static void do_data_b3_req(struct gigaset_capi_ctr *iif, u16 handle = CAPIMSG_HANDLE_REQ(skb->data); /* frequent message, avoid _cmsg overhead */ - dump_rawmsg(DEBUG_LLDATA, "DATA_B3_REQ", skb->data); - - gig_dbg(DEBUG_LLDATA, - "Receiving data from LL (ch: %d, flg: %x, sz: %d|%d)", - channel, flags, msglen, datalen); + dump_rawmsg(DEBUG_MCMD, __func__, skb->data); /* check parameters */ if (channel == 0 || channel > cs->channels || ncci != 1) { @@ -2064,7 +2095,7 @@ static void do_data_b3_resp(struct gigaset_capi_ctr *iif, struct gigaset_capi_appl *ap, struct sk_buff *skb) { - dump_rawmsg(DEBUG_LLDATA, __func__, skb->data); + dump_rawmsg(DEBUG_MCMD, __func__, skb->data); dev_kfree_skb_any(skb); } diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c index 5d4befb8105..3ca561eccd9 100644 --- a/drivers/isdn/gigaset/common.c +++ b/drivers/isdn/gigaset/common.c @@ -791,8 +791,6 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels, spin_unlock_irqrestore(&cs->lock, flags); setup_timer(&cs->timer, timer_tick, (unsigned long) cs); cs->timer.expires = jiffies + msecs_to_jiffies(GIG_TICK); - /* FIXME: can jiffies increase too much until the timer is added? - * Same problem(?) with mod_timer() in timer_tick(). */ add_timer(&cs->timer); gig_dbg(DEBUG_INIT, "cs initialized"); diff --git a/drivers/isdn/gigaset/ev-layer.c b/drivers/isdn/gigaset/ev-layer.c index ceaef9a04a4..a14187605f5 100644 --- a/drivers/isdn/gigaset/ev-layer.c +++ b/drivers/isdn/gigaset/ev-layer.c @@ -35,53 +35,40 @@ #define RT_RING 2 #define RT_NUMBER 3 #define RT_STRING 4 -#define RT_HEX 5 #define RT_ZCAU 6 /* Possible ASCII responses */ #define RSP_OK 0 -#define RSP_BUSY 1 -#define RSP_CONNECT 2 +#define RSP_ERROR 1 #define RSP_ZGCI 3 #define RSP_RING 4 -#define RSP_ZAOC 5 -#define RSP_ZCSTR 6 -#define RSP_ZCFGT 7 -#define RSP_ZCFG 8 -#define RSP_ZCCR 9 -#define RSP_EMPTY 10 -#define RSP_ZLOG 11 -#define RSP_ZCAU 12 -#define RSP_ZMWI 13 -#define RSP_ZABINFO 14 -#define RSP_ZSMLSTCHG 15 +#define RSP_ZVLS 5 +#define RSP_ZCAU 6 + +/* responses with values to store in at_state */ +/* - numeric */ #define RSP_VAR 100 #define RSP_ZSAU (RSP_VAR + VAR_ZSAU) #define RSP_ZDLE (RSP_VAR + VAR_ZDLE) -#define RSP_ZVLS (RSP_VAR + VAR_ZVLS) #define RSP_ZCTP (RSP_VAR + VAR_ZCTP) +/* - string */ #define RSP_STR (RSP_VAR + VAR_NUM) #define RSP_NMBR (RSP_STR + STR_NMBR) #define RSP_ZCPN (RSP_STR + STR_ZCPN) #define RSP_ZCON (RSP_STR + STR_ZCON) #define RSP_ZBC (RSP_STR + STR_ZBC) #define RSP_ZHLC (RSP_STR + STR_ZHLC) -#define RSP_ERROR -1 /* ERROR */ + #define RSP_WRONG_CID -2 /* unknown cid in cmd */ -#define RSP_UNKNOWN -4 /* unknown response */ -#define RSP_FAIL -5 /* internal error */ #define RSP_INVAL -6 /* invalid response */ +#define RSP_NODEV -9 /* device not connected */ #define RSP_NONE -19 #define RSP_STRING -20 #define RSP_NULL -21 -#define RSP_RETRYFAIL -22 -#define RSP_RETRY -23 -#define RSP_SKIP -24 #define RSP_INIT -27 #define RSP_ANY -26 #define RSP_LAST -28 -#define RSP_NODEV -9 /* actions for process_response */ #define ACT_NOTHING 0 @@ -259,13 +246,6 @@ struct reply_t gigaset_tab_nocid[] = /* misc. */ {RSP_ERROR, -1, -1, -1, -1, -1, {ACT_ERROR} }, -{RSP_ZCFGT, -1, -1, -1, -1, -1, {ACT_DEBUG} }, -{RSP_ZCFG, -1, -1, -1, -1, -1, {ACT_DEBUG} }, -{RSP_ZLOG, -1, -1, -1, -1, -1, {ACT_DEBUG} }, -{RSP_ZMWI, -1, -1, -1, -1, -1, {ACT_DEBUG} }, -{RSP_ZABINFO, -1, -1, -1, -1, -1, {ACT_DEBUG} }, -{RSP_ZSMLSTCHG, -1, -1, -1, -1, -1, {ACT_DEBUG} }, - {RSP_ZCAU, -1, -1, -1, -1, -1, {ACT_ZCAU} }, {RSP_NONE, -1, -1, -1, -1, -1, {ACT_DEBUG} }, {RSP_ANY, -1, -1, -1, -1, -1, {ACT_WARN} }, @@ -361,10 +341,6 @@ struct reply_t gigaset_tab_cid[] = /* misc. */ {RSP_ZCON, -1, -1, -1, -1, -1, {ACT_DEBUG} }, -{RSP_ZCCR, -1, -1, -1, -1, -1, {ACT_DEBUG} }, -{RSP_ZAOC, -1, -1, -1, -1, -1, {ACT_DEBUG} }, -{RSP_ZCSTR, -1, -1, -1, -1, -1, {ACT_DEBUG} }, - {RSP_ZCAU, -1, -1, -1, -1, -1, {ACT_ZCAU} }, {RSP_NONE, -1, -1, -1, -1, -1, {ACT_DEBUG} }, {RSP_ANY, -1, -1, -1, -1, -1, {ACT_WARN} }, @@ -387,20 +363,11 @@ static const struct resp_type_t { {"ZVLS", RSP_ZVLS, RT_NUMBER}, {"ZCTP", RSP_ZCTP, RT_NUMBER}, {"ZDLE", RSP_ZDLE, RT_NUMBER}, - {"ZCFGT", RSP_ZCFGT, RT_NUMBER}, - {"ZCCR", RSP_ZCCR, RT_NUMBER}, - {"ZMWI", RSP_ZMWI, RT_NUMBER}, {"ZHLC", RSP_ZHLC, RT_STRING}, {"ZBC", RSP_ZBC, RT_STRING}, {"NMBR", RSP_NMBR, RT_STRING}, {"ZCPN", RSP_ZCPN, RT_STRING}, {"ZCON", RSP_ZCON, RT_STRING}, - {"ZAOC", RSP_ZAOC, RT_STRING}, - {"ZCSTR", RSP_ZCSTR, RT_STRING}, - {"ZCFG", RSP_ZCFG, RT_HEX}, - {"ZLOG", RSP_ZLOG, RT_NOTHING}, - {"ZABINFO", RSP_ZABINFO, RT_NOTHING}, - {"ZSMLSTCHG", RSP_ZSMLSTCHG, RT_NOTHING}, {NULL, 0, 0} }; @@ -418,64 +385,18 @@ static const struct zsau_resp_t { {NULL, ZSAU_UNKNOWN} }; -/* - * Get integer from char-pointer - */ -static int isdn_getnum(char *p) -{ - int v = -1; - - gig_dbg(DEBUG_EVENT, "string: %s", p); - - while (*p >= '0' && *p <= '9') - v = ((v < 0) ? 0 : (v * 10)) + (int) ((*p++) - '0'); - if (*p) - v = -1; /* invalid Character */ - return v; -} - -/* - * Get integer from char-pointer - */ -static int isdn_gethex(char *p) -{ - int v = 0; - int c; - - gig_dbg(DEBUG_EVENT, "string: %s", p); - - if (!*p) - return -1; - - do { - if (v > (INT_MAX - 15) / 16) - return -1; - c = *p; - if (c >= '0' && c <= '9') - c -= '0'; - else if (c >= 'a' && c <= 'f') - c -= 'a' - 10; - else if (c >= 'A' && c <= 'F') - c -= 'A' - 10; - else - return -1; - v = v * 16 + c; - } while (*++p); - - return v; -} - /* retrieve CID from parsed response * returns 0 if no CID, -1 if invalid CID, or CID value 1..65535 */ static int cid_of_response(char *s) { - int cid; + unsigned long cid; + int rc; if (s[-1] != ';') return 0; /* no CID separator */ - cid = isdn_getnum(s); - if (cid < 0) + rc = strict_strtoul(s, 10, &cid); + if (rc) return 0; /* CID not numeric */ if (cid < 1 || cid > 65535) return -1; /* CID out of range */ @@ -588,10 +509,10 @@ void gigaset_handle_modem_response(struct cardstate *cs) break; if (!rt->response) { - event->type = RSP_UNKNOWN; - dev_warn(cs->dev, - "unknown modem response: %s\n", - argv[curarg]); + event->type = RSP_NONE; + gig_dbg(DEBUG_EVENT, + "unknown modem response: '%s'\n", + argv[curarg]); break; } @@ -645,27 +566,27 @@ void gigaset_handle_modem_response(struct cardstate *cs) case RT_ZCAU: event->parameter = -1; if (curarg + 1 < params) { - i = isdn_gethex(argv[curarg]); - j = isdn_gethex(argv[curarg + 1]); - if (i >= 0 && i < 256 && j >= 0 && j < 256) - event->parameter = (unsigned) i << 8 - | j; - curarg += 2; + unsigned long type, value; + + i = strict_strtoul(argv[curarg++], 16, &type); + j = strict_strtoul(argv[curarg++], 16, &value); + + if (i == 0 && type < 256 && + j == 0 && value < 256) + event->parameter = (type << 8) | value; } else curarg = params - 1; break; case RT_NUMBER: - case RT_HEX: + event->parameter = -1; if (curarg < params) { - if (param_type == RT_HEX) - event->parameter = - isdn_gethex(argv[curarg]); - else - event->parameter = - isdn_getnum(argv[curarg]); - ++curarg; - } else - event->parameter = -1; + unsigned long res; + int rc; + + rc = strict_strtoul(argv[curarg++], 10, &res); + if (rc == 0) + event->parameter = res; + } gig_dbg(DEBUG_EVENT, "parameter==%d", event->parameter); break; } @@ -797,48 +718,27 @@ static void schedule_init(struct cardstate *cs, int state) static void send_command(struct cardstate *cs, const char *cmd, int cid, int dle, gfp_t kmallocflags) { - size_t cmdlen, buflen; - char *cmdpos, *cmdbuf, *cmdtail; + struct cmdbuf_t *cb; + size_t buflen; - cmdlen = strlen(cmd); - buflen = 11 + cmdlen; - if (unlikely(buflen <= cmdlen)) { - dev_err(cs->dev, "integer overflow in buflen\n"); + buflen = strlen(cmd) + 12; /* DLE ( A T 1 2 3 4 5 <cmd> DLE ) \0 */ + cb = kmalloc(sizeof(struct cmdbuf_t) + buflen, kmallocflags); + if (!cb) { + dev_err(cs->dev, "%s: out of memory\n", __func__); return; } - - cmdbuf = kmalloc(buflen, kmallocflags); - if (unlikely(!cmdbuf)) { - dev_err(cs->dev, "out of memory\n"); - return; - } - - cmdpos = cmdbuf + 9; - cmdtail = cmdpos + cmdlen; - memcpy(cmdpos, cmd, cmdlen); - - if (cid > 0 && cid <= 65535) { - do { - *--cmdpos = '0' + cid % 10; - cid /= 10; - ++cmdlen; - } while (cid); - } - - cmdlen += 2; - *--cmdpos = 'T'; - *--cmdpos = 'A'; - - if (dle) { - cmdlen += 4; - *--cmdpos = '('; - *--cmdpos = 0x10; - *cmdtail++ = 0x10; - *cmdtail++ = ')'; - } - - cs->ops->write_cmd(cs, cmdpos, cmdlen, NULL); - kfree(cmdbuf); + if (cid > 0 && cid <= 65535) + cb->len = snprintf(cb->buf, buflen, + dle ? "\020(AT%d%s\020)" : "AT%d%s", + cid, cmd); + else + cb->len = snprintf(cb->buf, buflen, + dle ? "\020(AT%s\020)" : "AT%s", + cmd); + cb->offset = 0; + cb->next = NULL; + cb->wake_tasklet = NULL; + cs->ops->write_cmd(cs, cb); } static struct at_state_t *at_state_from_cid(struct cardstate *cs, int cid) @@ -1240,8 +1140,22 @@ static void do_action(int action, struct cardstate *cs, break; case ACT_HUPMODEM: /* send "+++" (hangup in unimodem mode) */ - if (cs->connected) - cs->ops->write_cmd(cs, "+++", 3, NULL); + if (cs->connected) { + struct cmdbuf_t *cb; + + cb = kmalloc(sizeof(struct cmdbuf_t) + 3, GFP_ATOMIC); + if (!cb) { + dev_err(cs->dev, "%s: out of memory\n", + __func__); + return; + } + memcpy(cb->buf, "+++", 3); + cb->len = 3; + cb->offset = 0; + cb->next = NULL; + cb->wake_tasklet = NULL; + cs->ops->write_cmd(cs, cb); + } break; case ACT_RING: /* get fresh AT state structure for new CID */ @@ -1855,19 +1769,13 @@ static void process_command_flags(struct cardstate *cs) gig_dbg(DEBUG_EVENT, "Scheduling PC_CIDMODE"); cs->commands_pending = 1; return; -#ifdef GIG_MAYINITONDIAL case M_UNKNOWN: schedule_init(cs, MS_INIT); return; -#endif } bcs->at_state.pending_commands &= ~PC_CID; cs->curchannel = bcs->channel; -#ifdef GIG_RETRYCID cs->retry_count = 2; -#else - cs->retry_count = 1; -#endif schedule_sequence(cs, &cs->at_state, SEQ_CID); return; } diff --git a/drivers/isdn/gigaset/gigaset.h b/drivers/isdn/gigaset/gigaset.h index 8738b0821fc..a69512fb119 100644 --- a/drivers/isdn/gigaset/gigaset.h +++ b/drivers/isdn/gigaset/gigaset.h @@ -46,13 +46,6 @@ #define RBUFSIZE 8192 -/* compile time options */ -#define GIG_MAJOR 0 - -#define GIG_MAYINITONDIAL -#define GIG_RETRYCID -#define GIG_X75 - #define GIG_TICK 100 /* in milliseconds */ /* timeout values (unit: 1 sec) */ @@ -193,9 +186,8 @@ void gigaset_dbg_buffer(enum debuglevel level, const unsigned char *msg, /* variables in struct at_state_t */ #define VAR_ZSAU 0 #define VAR_ZDLE 1 -#define VAR_ZVLS 2 -#define VAR_ZCTP 3 -#define VAR_NUM 4 +#define VAR_ZCTP 2 +#define VAR_NUM 3 #define STR_NMBR 0 #define STR_ZCPN 1 @@ -574,9 +566,7 @@ struct bas_bc_state { struct gigaset_ops { /* Called from ev-layer.c/interface.c for sending AT commands to the device */ - int (*write_cmd)(struct cardstate *cs, - const unsigned char *buf, int len, - struct tasklet_struct *wake_tasklet); + int (*write_cmd)(struct cardstate *cs, struct cmdbuf_t *cb); /* Called from interface.c for additional device control */ int (*write_room)(struct cardstate *cs); diff --git a/drivers/isdn/gigaset/i4l.c b/drivers/isdn/gigaset/i4l.c index f01c3c2e2e4..34bca37d65b 100644 --- a/drivers/isdn/gigaset/i4l.c +++ b/drivers/isdn/gigaset/i4l.c @@ -419,6 +419,8 @@ oom: dev_err(bcs->cs->dev, "out of memory\n"); for (i = 0; i < AT_NUM; ++i) kfree(commands[i]); + kfree(commands); + gigaset_free_channel(bcs); return -ENOMEM; } @@ -643,9 +645,7 @@ int gigaset_isdn_regdev(struct cardstate *cs, const char *isdnid) iif->maxbufsize = MAX_BUF_SIZE; iif->features = ISDN_FEATURE_L2_TRANS | ISDN_FEATURE_L2_HDLC | -#ifdef GIG_X75 ISDN_FEATURE_L2_X75I | -#endif ISDN_FEATURE_L3_TRANS | ISDN_FEATURE_P_EURO; iif->hl_hdrlen = HW_HDR_LEN; /* Area for storing ack */ diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c index c9f28dd40d5..bb710d16a52 100644 --- a/drivers/isdn/gigaset/interface.c +++ b/drivers/isdn/gigaset/interface.c @@ -339,7 +339,8 @@ static int if_tiocmset(struct tty_struct *tty, struct file *file, static int if_write(struct tty_struct *tty, const unsigned char *buf, int count) { struct cardstate *cs; - int retval = -ENODEV; + struct cmdbuf_t *cb; + int retval; cs = (struct cardstate *) tty->driver_data; if (!cs) { @@ -355,18 +356,39 @@ static int if_write(struct tty_struct *tty, const unsigned char *buf, int count) if (!cs->connected) { gig_dbg(DEBUG_IF, "not connected"); retval = -ENODEV; - } else if (!cs->open_count) + goto done; + } + if (!cs->open_count) { dev_warn(cs->dev, "%s: device not opened\n", __func__); - else if (cs->mstate != MS_LOCKED) { + retval = -ENODEV; + goto done; + } + if (cs->mstate != MS_LOCKED) { dev_warn(cs->dev, "can't write to unlocked device\n"); retval = -EBUSY; - } else { - retval = cs->ops->write_cmd(cs, buf, count, - &cs->if_wake_tasklet); + goto done; + } + if (count <= 0) { + /* nothing to do */ + retval = 0; + goto done; } - mutex_unlock(&cs->mutex); + cb = kmalloc(sizeof(struct cmdbuf_t) + count, GFP_KERNEL); + if (!cb) { + dev_err(cs->dev, "%s: out of memory\n", __func__); + retval = -ENOMEM; + goto done; + } + memcpy(cb->buf, buf, count); + cb->len = count; + cb->offset = 0; + cb->next = NULL; + cb->wake_tasklet = &cs->if_wake_tasklet; + retval = cs->ops->write_cmd(cs, cb); +done: + mutex_unlock(&cs->mutex); return retval; } @@ -655,7 +677,6 @@ void gigaset_if_initdriver(struct gigaset_driver *drv, const char *procname, goto enomem; tty->magic = TTY_DRIVER_MAGIC, - tty->major = GIG_MAJOR, tty->type = TTY_DRIVER_TYPE_SERIAL, tty->subtype = SERIAL_TYPE_NORMAL, tty->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV; diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c index e96c0586886..d151dcbf770 100644 --- a/drivers/isdn/gigaset/ser-gigaset.c +++ b/drivers/isdn/gigaset/ser-gigaset.c @@ -241,30 +241,13 @@ static void flush_send_queue(struct cardstate *cs) * return value: * number of bytes queued, or error code < 0 */ -static int gigaset_write_cmd(struct cardstate *cs, const unsigned char *buf, - int len, struct tasklet_struct *wake_tasklet) +static int gigaset_write_cmd(struct cardstate *cs, struct cmdbuf_t *cb) { - struct cmdbuf_t *cb; unsigned long flags; gigaset_dbg_buffer(cs->mstate != MS_LOCKED ? DEBUG_TRANSCMD : DEBUG_LOCKCMD, - "CMD Transmit", len, buf); - - if (len <= 0) - return 0; - - cb = kmalloc(sizeof(struct cmdbuf_t) + len, GFP_ATOMIC); - if (!cb) { - dev_err(cs->dev, "%s: out of memory!\n", __func__); - return -ENOMEM; - } - - memcpy(cb->buf, buf, len); - cb->len = len; - cb->offset = 0; - cb->next = NULL; - cb->wake_tasklet = wake_tasklet; + "CMD Transmit", cb->len, cb->buf); spin_lock_irqsave(&cs->cmdlock, flags); cb->prev = cs->lastcmdbuf; @@ -272,9 +255,9 @@ static int gigaset_write_cmd(struct cardstate *cs, const unsigned char *buf, cs->lastcmdbuf->next = cb; else { cs->cmdbuf = cb; - cs->curlen = len; + cs->curlen = cb->len; } - cs->cmdbytes += len; + cs->cmdbytes += cb->len; cs->lastcmdbuf = cb; spin_unlock_irqrestore(&cs->cmdlock, flags); @@ -282,7 +265,7 @@ static int gigaset_write_cmd(struct cardstate *cs, const unsigned char *buf, if (cs->connected) tasklet_schedule(&cs->write_tasklet); spin_unlock_irqrestore(&cs->lock, flags); - return len; + return cb->len; } /* diff --git a/drivers/isdn/gigaset/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c index 76dbb20f306..4a66338f4e7 100644 --- a/drivers/isdn/gigaset/usb-gigaset.c +++ b/drivers/isdn/gigaset/usb-gigaset.c @@ -39,7 +39,8 @@ MODULE_PARM_DESC(cidmode, "Call-ID mode"); #define GIGASET_MODULENAME "usb_gigaset" #define GIGASET_DEVNAME "ttyGU" -#define IF_WRITEBUF 2000 /* arbitrary limit */ +/* length limit according to Siemens 3070usb-protokoll.doc ch. 2.1 */ +#define IF_WRITEBUF 264 /* Values for the Gigaset M105 Data */ #define USB_M105_VENDOR_ID 0x0681 @@ -493,29 +494,13 @@ static int send_cb(struct cardstate *cs, struct cmdbuf_t *cb) } /* Send command to device. */ -static int gigaset_write_cmd(struct cardstate *cs, const unsigned char *buf, - int len, struct tasklet_struct *wake_tasklet) +static int gigaset_write_cmd(struct cardstate *cs, struct cmdbuf_t *cb) { - struct cmdbuf_t *cb; unsigned long flags; gigaset_dbg_buffer(cs->mstate != MS_LOCKED ? DEBUG_TRANSCMD : DEBUG_LOCKCMD, - "CMD Transmit", len, buf); - - if (len <= 0) - return 0; - cb = kmalloc(sizeof(struct cmdbuf_t) + len, GFP_ATOMIC); - if (!cb) { - dev_err(cs->dev, "%s: out of memory\n", __func__); - return -ENOMEM; - } - - memcpy(cb->buf, buf, len); - cb->len = len; - cb->offset = 0; - cb->next = NULL; - cb->wake_tasklet = wake_tasklet; + "CMD Transmit", cb->len, cb->buf); spin_lock_irqsave(&cs->cmdlock, flags); cb->prev = cs->lastcmdbuf; @@ -523,9 +508,9 @@ static int gigaset_write_cmd(struct cardstate *cs, const unsigned char *buf, cs->lastcmdbuf->next = cb; else { cs->cmdbuf = cb; - cs->curlen = len; + cs->curlen = cb->len; } - cs->cmdbytes += len; + cs->cmdbytes += cb->len; cs->lastcmdbuf = cb; spin_unlock_irqrestore(&cs->cmdlock, flags); @@ -533,7 +518,7 @@ static int gigaset_write_cmd(struct cardstate *cs, const unsigned char *buf, if (cs->connected) tasklet_schedule(&cs->write_tasklet); spin_unlock_irqrestore(&cs->lock, flags); - return len; + return cb->len; } static int gigaset_write_room(struct cardstate *cs) |