--- /dev/null
+/* $Id: hycapi.c,v 1.8.6.4 2001/09/23 22:24:54 kai Exp $
+ *
+ * Linux driver for HYSDN cards, CAPI2.0-Interface.
+ *
+ * Author Ulrich Albrecht <u.albrecht@hypercope.de> for Hypercope GmbH
+ * Copyright 2000 by Hypercope GmbH
+ *
+ * This software may be used and distributed according to the terms
+ * of the GNU General Public License, incorporated herein by reference.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#include <linux/signal.h>
+#include <linux/kernel.h>
+#include <linux/skbuff.h>
+#include <linux/netdevice.h>
+#include <linux/slab.h>
+
+#define VER_DRIVER 0
+#define VER_CARDTYPE 1
+#define VER_HWID 2
+#define VER_SERIAL 3
+#define VER_OPTION 4
+#define VER_PROTO 5
+#define VER_PROFILE 6
+#define VER_CAPI 7
+
+#include "hysdn_defs.h"
+#include <linux/kernelcapi.h>
+
+static char hycapi_revision[] = "$Revision: 1.8.6.4 $";
+
+unsigned int hycapi_enable = 0xffffffff;
+module_param(hycapi_enable, uint, 0);
+
+typedef struct _hycapi_appl {
+ unsigned int ctrl_mask;
+ capi_register_params rp;
+ struct sk_buff *listen_req[CAPI_MAXCONTR];
+} hycapi_appl;
+
+static hycapi_appl hycapi_applications[CAPI_MAXAPPL];
+
+static u16 hycapi_send_message(struct capi_ctr *ctrl, struct sk_buff *skb);
+
+static inline int _hycapi_appCheck(int app_id, int ctrl_no)
+{
+ if ((ctrl_no <= 0) || (ctrl_no > CAPI_MAXCONTR) || (app_id <= 0) ||
+ (app_id > CAPI_MAXAPPL))
+ {
+ printk(KERN_ERR "HYCAPI: Invalid request app_id %d for controller %d", app_id, ctrl_no);
+ return -1;
+ }
+ return ((hycapi_applications[app_id - 1].ctrl_mask & (1 << (ctrl_no-1))) != 0);
+}
+
+/******************************
+Kernel-Capi callback reset_ctr
+******************************/
+
+static void
+hycapi_reset_ctr(struct capi_ctr *ctrl)
+{
+ hycapictrl_info *cinfo = ctrl->driverdata;
+
+#ifdef HYCAPI_PRINTFNAMES
+ printk(KERN_NOTICE "HYCAPI hycapi_reset_ctr\n");
+#endif
+ capilib_release(&cinfo->ncci_head);
+ capi_ctr_down(ctrl);
+}
+
+/******************************
+Kernel-Capi callback remove_ctr
+******************************/
+
+static void
+hycapi_remove_ctr(struct capi_ctr *ctrl)
+{
+ int i;
+ hycapictrl_info *cinfo = NULL;
+ hysdn_card *card = NULL;
+#ifdef HYCAPI_PRINTFNAMES
+ printk(KERN_NOTICE "HYCAPI hycapi_remove_ctr\n");
+#endif
+ cinfo = (hycapictrl_info *)(ctrl->driverdata);
+ if (!cinfo) {
+ printk(KERN_ERR "No hycapictrl_info set!");
+ return;
+ }
+ card = cinfo->card;
+ capi_ctr_suspend_output(ctrl);
+ for (i = 0; i < CAPI_MAXAPPL; i++) {
+ if (hycapi_applications[i].listen_req[ctrl->cnr - 1]) {
+ kfree_skb(hycapi_applications[i].listen_req[ctrl->cnr - 1]);
+ hycapi_applications[i].listen_req[ctrl->cnr - 1] = NULL;
+ }
+ }
+ detach_capi_ctr(ctrl);
+ ctrl->driverdata = NULL;
+ kfree(card->hyctrlinfo);
+
+
+ card->hyctrlinfo = NULL;
+}
+
+/***********************************************************
+
+Queue a CAPI-message to the controller.
+
+***********************************************************/
+
+static void
+hycapi_sendmsg_internal(struct capi_ctr *ctrl, struct sk_buff *skb)
+{
+ hycapictrl_info *cinfo = (hycapictrl_info *)(ctrl->driverdata);
+ hysdn_card *card = cinfo->card;
+
+ spin_lock_irq(&cinfo->lock);
+#ifdef HYCAPI_PRINTFNAMES
+ printk(KERN_NOTICE "hycapi_send_message\n");
+#endif
+ cinfo->skbs[cinfo->in_idx++] = skb; /* add to buffer list */
+ if (cinfo->in_idx >= HYSDN_MAX_CAPI_SKB)
+ cinfo->in_idx = 0; /* wrap around */
+ cinfo->sk_count++; /* adjust counter */
+ if (cinfo->sk_count >= HYSDN_MAX_CAPI_SKB) {
+ /* inform upper layers we're full */
+ printk(KERN_ERR "HYSDN Card%d: CAPI-buffer overrun!\n",
+ card->myid);
+ capi_ctr_suspend_output(ctrl);
+ }
+ cinfo->tx_skb = skb;
+ spin_unlock_irq(&cinfo->lock);
+ schedule_work(&card->irq_queue);
+}
+
+/***********************************************************
+hycapi_register_internal
+
+Send down the CAPI_REGISTER-Command to the controller.
+This functions will also be used if the adapter has been rebooted to
+re-register any applications in the private list.
+
+************************************************************/
+
+static void
+hycapi_register_internal(struct capi_ctr *ctrl, __u16 appl,
+ capi_register_params *rp)
+{
+ char ExtFeatureDefaults[] = "49 /0/0/0/0,*/1,*/2,*/3,*/4,*/5,*/6,*/7,*/8,*/9,*";
+ hycapictrl_info *cinfo = (hycapictrl_info *)(ctrl->driverdata);
+ hysdn_card *card = cinfo->card;
+ struct sk_buff *skb;
+ __u16 len;
+ __u8 _command = 0xa0, _subcommand = 0x80;
+ __u16 MessageNumber = 0x0000;
+ __u16 MessageBufferSize = 0;
+ int slen = strlen(ExtFeatureDefaults);
+#ifdef HYCAPI_PRINTFNAMES
+ printk(KERN_NOTICE "hycapi_register_appl\n");
+#endif
+ MessageBufferSize = rp->level3cnt * rp->datablkcnt * rp->datablklen;
+
+ len = CAPI_MSG_BASELEN + 8 + slen + 1;
+ if (!(skb = alloc_skb(len, GFP_ATOMIC))) {
+ printk(KERN_ERR "HYSDN card%d: memory squeeze in hycapi_register_appl\n",
+ card->myid);
+ return;
+ }
+ memcpy(skb_put(skb, sizeof(__u16)), &len, sizeof(__u16));
+ memcpy(skb_put(skb, sizeof(__u16)), &appl, sizeof(__u16));
+ memcpy(skb_put(skb, sizeof(__u8)), &_command, sizeof(_command));
+ memcpy(skb_put(skb, sizeof(__u8)), &_subcommand, sizeof(_subcommand));
+ memcpy(skb_put(skb, sizeof(__u16)), &MessageNumber, sizeof(__u16));
+ memcpy(skb_put(skb, sizeof(__u16)), &MessageBufferSize, sizeof(__u16));
+ memcpy(skb_put(skb, sizeof(__u16)), &(rp->level3cnt), sizeof(__u16));
+ memcpy(skb_put(skb, sizeof(__u16)), &(rp->datablkcnt), sizeof(__u16));
+ memcpy(skb_put(skb, sizeof(__u16)), &(rp->datablklen), sizeof(__u16));
+ memcpy(skb_put(skb, slen), ExtFeatureDefaults, slen);
+ hycapi_applications[appl - 1].ctrl_mask |= (1 << (ctrl->cnr - 1));
+ hycapi_send_message(ctrl, skb);
+}
+
+/************************************************************
+hycapi_restart_internal
+
+After an adapter has been rebootet, re-register all applications and
+send a LISTEN_REQ (if there has been such a thing )
+
+*************************************************************/
+
+static void hycapi_restart_internal(struct capi_ctr *ctrl)
+{
+ int i;
+ struct sk_buff *skb;
+#ifdef HYCAPI_PRINTFNAMES
+ printk(KERN_WARNING "HYSDN: hycapi_restart_internal");
+#endif
+ for (i = 0; i < CAPI_MAXAPPL; i++) {
+ if (_hycapi_appCheck(i + 1, ctrl->cnr) == 1) {
+ hycapi_register_internal(ctrl, i + 1,
+ &hycapi_applications[i].rp);
+ if (hycapi_applications[i].listen_req[ctrl->cnr - 1]) {
+ skb = skb_copy(hycapi_applications[i].listen_req[ctrl->cnr - 1], GFP_ATOMIC);
+ hycapi_sendmsg_internal(ctrl, skb);
+ }
+ }
+ }
+}
+
+/*************************************************************
+Register an application.
+Error-checking is done for CAPI-compliance.
+
+The application is recorded in the internal list.
+*************************************************************/
+
+static void
+hycapi_register_appl(struct capi_ctr *ctrl, __u16 appl,
+ capi_register_params *rp)
+{
+ int MaxLogicalConnections = 0, MaxBDataBlocks = 0, MaxBDataLen = 0;
+ hycapictrl_info *cinfo = (hycapictrl_info *)(ctrl->driverdata);
+ hysdn_card *card = cinfo->card;
+ int chk = _hycapi_appCheck(appl, ctrl->cnr);
+ if (chk < 0) {
+ return;
+ }
+ if (chk == 1) {
+ printk(KERN_INFO "HYSDN: apl %d already registered\n", appl);
+ return;
+ }
+ MaxBDataBlocks = rp->datablkcnt > CAPI_MAXDATAWINDOW ? CAPI_MAXDATAWINDOW : rp->datablkcnt;
+ rp->datablkcnt = MaxBDataBlocks;
+ MaxBDataLen = rp->datablklen < 1024 ? 1024 : rp->datablklen;
+ rp->datablklen = MaxBDataLen;
+
+ MaxLogicalConnections = rp->level3cnt;
+ if (MaxLogicalConnections < 0) {
+ MaxLogicalConnections = card->bchans * -MaxLogicalConnections;
+ }
+ if (MaxLogicalConnections == 0) {
+ MaxLogicalConnections = card->bchans;
+ }
+
+ rp->level3cnt = MaxLogicalConnections;
+ memcpy(&hycapi_applications[appl - 1].rp,
+ rp, sizeof(capi_register_params));
+}
+
+/*********************************************************************
+
+hycapi_release_internal
+
+Send down a CAPI_RELEASE to the controller.
+*********************************************************************/
+
+static void hycapi_release_internal(struct capi_ctr *ctrl, __u16 appl)
+{
+ hycapictrl_info *cinfo = (hycapictrl_info *)(ctrl->driverdata);
+ hysdn_card *card = cinfo->card;
+ struct sk_buff *skb;
+ __u16 len;
+ __u8 _command = 0xa1, _subcommand = 0x80;
+ __u16 MessageNumber = 0x0000;
+
+ capilib_release_appl(&cinfo->ncci_head, appl);
+
+#ifdef HYCAPI_PRINTFNAMES
+ printk(KERN_NOTICE "hycapi_release_appl\n");
+#endif
+ len = CAPI_MSG_BASELEN;
+ if (!(skb = alloc_skb(len, GFP_ATOMIC))) {
+ printk(KERN_ERR "HYSDN card%d: memory squeeze in hycapi_register_appl\n",
+ card->myid);
+ return;
+ }
+ memcpy(skb_put(skb, sizeof(__u16)), &len, sizeof(__u16));
+ memcpy(skb_put(skb, sizeof(__u16)), &appl, sizeof(__u16));
+ memcpy(skb_put(skb, sizeof(__u8)), &_command, sizeof(_command));
+ memcpy(skb_put(skb, sizeof(__u8)), &_subcommand, sizeof(_subcommand));
+ memcpy(skb_put(skb, sizeof(__u16)), &MessageNumber, sizeof(__u16));
+ hycapi_send_message(ctrl, skb);
+ hycapi_applications[appl - 1].ctrl_mask &= ~(1 << (ctrl->cnr - 1));
+}
+
+/******************************************************************
+hycapi_release_appl
+
+Release the application from the internal list an remove it's
+registration at controller-level
+******************************************************************/
+
+static void
+hycapi_release_appl(struct capi_ctr *ctrl, __u16 appl)
+{
+ int chk;
+
+ chk = _hycapi_appCheck(appl, ctrl->cnr);
+ if (chk < 0) {
+ printk(KERN_ERR "HYCAPI: Releasing invalid appl %d on controller %d\n", appl, ctrl->cnr);
+ return;
+ }
+ if (hycapi_applications[appl - 1].listen_req[ctrl->cnr - 1]) {
+ kfree_skb(hycapi_applications[appl - 1].listen_req[ctrl->cnr - 1]);
+ hycapi_applications[appl - 1].listen_req[ctrl->cnr - 1] = NULL;
+ }
+ if (chk == 1)
+ {
+ hycapi_release_internal(ctrl, appl);
+ }
+}
+
+
+/**************************************************************
+Kill a single controller.
+**************************************************************/
+
+int hycapi_capi_release(hysdn_card *card)
+{
+ hycapictrl_info *cinfo = card->hyctrlinfo;
+ struct capi_ctr *ctrl;
+#ifdef HYCAPI_PRINTFNAMES
+ printk(KERN_NOTICE "hycapi_capi_release\n");
+#endif
+ if (cinfo) {
+ ctrl = &cinfo->capi_ctrl;
+ hycapi_remove_ctr(ctrl);
+ }
+ return 0;
+}
+
+/**************************************************************
+hycapi_capi_stop
+
+Stop CAPI-Output on a card. (e.g. during reboot)
+***************************************************************/
+
+int hycapi_capi_stop(hysdn_card *card)
+{
+ hycapictrl_info *cinfo = card->hyctrlinfo;
+ struct capi_ctr *ctrl;
+#ifdef HYCAPI_PRINTFNAMES
+ printk(KERN_NOTICE "hycapi_capi_stop\n");
+#endif
+ if (cinfo) {
+ ctrl = &cinfo->capi_ctrl;
+/* ctrl->suspend_output(ctrl); */
+ capi_ctr_down(ctrl);
+ }
+ return 0;
+}
+
+/***************************************************************
+hycapi_send_message
+
+Send a message to the controller.
+
+Messages are parsed for their Command/Subcommand-type, and appropriate
+action's are performed.
+
+Note that we have to muck around with a 64Bit-DATA_REQ as there are
+firmware-releases that do not check the MsgLen-Indication!
+
+***************************************************************/
+
+static u16 hycapi_send_message(struct capi_ctr *ctrl, struct sk_buff *skb)
+{
+ __u16 appl_id;
+ int _len, _len2;
+ __u8 msghead[64];
+ hycapictrl_info *cinfo = ctrl->driverdata;
+ u16 retval = CAPI_NOERROR;
+
+ appl_id = CAPIMSG_APPID(skb->data);
+ switch (_hycapi_appCheck(appl_id, ctrl->cnr))
+ {
+ case 0:
+/* printk(KERN_INFO "Need to register\n"); */
+ hycapi_register_internal(ctrl,
+ appl_id,
+ &(hycapi_applications[appl_id - 1].rp));
+ break;
+ case 1:
+ break;
+ default:
+ printk(KERN_ERR "HYCAPI: Controller mixup!\n");
+ retval = CAPI_ILLAPPNR;
+ goto out;
+ }
+ switch (CAPIMSG_CMD(skb->data)) {
+ case CAPI_DISCONNECT_B3_RESP:
+ capilib_free_ncci(&cinfo->ncci_head, appl_id,
+ CAPIMSG_NCCI(skb->data));
+ break;
+ case CAPI_DATA_B3_REQ:
+ _len = CAPIMSG_LEN(skb->data);
+ if (_len > 22) {
+ _len2 = _len - 22;
+ skb_copy_from_linear_data(skb, msghead, 22);
+ skb_copy_to_linear_data_offset(skb, _len2,
+ msghead, 22);
+ skb_pull(skb, _len2);
+ CAPIMSG_SETLEN(skb->data, 22);
+ retval = capilib_data_b3_req(&cinfo->ncci_head,
+ CAPIMSG_APPID(skb->data),
+ CAPIMSG_NCCI(skb->data),
+ CAPIMSG_MSGID(skb->data));
+ }
+ break;
+ case CAPI_LISTEN_REQ:
+ if (hycapi_applications[appl_id - 1].listen_req[ctrl->cnr - 1])
+ {
+ kfree_skb(hycapi_applications[appl_id - 1].listen_req[ctrl->cnr - 1]);
+ hycapi_applications[appl_id - 1].listen_req[ctrl->cnr - 1] = NULL;
+ }
+ if (!(hycapi_applications[appl_id -1].listen_req[ctrl->cnr - 1] = skb_copy(skb, GFP_ATOMIC)))
+ {
+ printk(KERN_ERR "HYSDN: memory squeeze in private_listen\n");
+ }
+ break;
+ default:
+ break;
+ }
+out:
+ if (retval == CAPI_NOERROR)
+ hycapi_sendmsg_internal(ctrl, skb);
+ else
+ dev_kfree_skb_any(skb);
+
+ return retval;
+}
+
+static int hycapi_proc_show(struct seq_file *m, void *v)
+{
+ struct capi_ctr *ctrl = m->private;
+ hycapictrl_info *cinfo = (hycapictrl_info *)(ctrl->driverdata);
+ hysdn_card *card = cinfo->card;
+ char *s;
+
+ seq_printf(m, "%-16s %s\n", "name", cinfo->cardname);
+ seq_printf(m, "%-16s 0x%x\n", "io", card->iobase);
+ seq_printf(m, "%-16s %d\n", "irq", card->irq);
+
+ switch (card->brdtype) {
+ case BD_PCCARD: s = "HYSDN Hycard"; break;
+ case BD_ERGO: s = "HYSDN Ergo2"; break;
+ case BD_METRO: s = "HYSDN Metro4"; break;
+ case BD_CHAMP2: s = "HYSDN Champ2"; break;
+ case BD_PLEXUS: s = "HYSDN Plexus30"; break;
+ default: s = "???"; break;
+ }
+ seq_printf(m, "%-16s %s\n", "type", s);
+ if ((s = cinfo->version[VER_DRIVER]) != NULL)
+ seq_printf(m, "%-16s %s\n", "ver_driver", s);
+ if ((s = cinfo->version[VER_CARDTYPE]) != NULL)
+ seq_printf(m, "%-16s %s\n", "ver_cardtype", s);
+ if ((s = cinfo->version[VER_SERIAL]) != NULL)
+ seq_printf(m, "%-16s %s\n", "ver_serial", s);
+
+ seq_printf(m, "%-16s %s\n", "cardname", cinfo->cardname);
+
+ return 0;
+}
+
+static int hycapi_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, hycapi_proc_show, PDE_DATA(inode));
+}
+
+static const struct file_operations hycapi_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = hycapi_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+/**************************************************************
+hycapi_load_firmware
+
+This does NOT load any firmware, but the callback somehow is needed
+on capi-interface registration.
+
+**************************************************************/
+
+static int hycapi_load_firmware(struct capi_ctr *ctrl, capiloaddata *data)
+{
+#ifdef HYCAPI_PRINTFNAMES
+ printk(KERN_NOTICE "hycapi_load_firmware\n");
+#endif
+ return 0;
+}
+
+
+static char *hycapi_procinfo(struct capi_ctr *ctrl)
+{
+ hycapictrl_info *cinfo = (hycapictrl_info *)(ctrl->driverdata);
+#ifdef HYCAPI_PRINTFNAMES
+ printk(KERN_NOTICE "%s\n", __func__);
+#endif
+ if (!cinfo)
+ return "";
+ sprintf(cinfo->infobuf, "%s %s 0x%x %d %s",
+ cinfo->cardname[0] ? cinfo->cardname : "-",
+ cinfo->version[VER_DRIVER] ? cinfo->version[VER_DRIVER] : "-",
+ cinfo->card ? cinfo->card->iobase : 0x0,
+ cinfo->card ? cinfo->card->irq : 0,
+ hycapi_revision
+ );
+ return cinfo->infobuf;
+}
+
+/******************************************************************
+hycapi_rx_capipkt
+
+Receive a capi-message.
+
+All B3_DATA_IND are converted to 64K-extension compatible format.
+New nccis are created if necessary.
+*******************************************************************/
+
+void
+hycapi_rx_capipkt(hysdn_card *card, unsigned char *buf, unsigned short len)
+{
+ struct sk_buff *skb;
+ hycapictrl_info *cinfo = card->hyctrlinfo;
+ struct capi_ctr *ctrl;
+ __u16 ApplId;
+ __u16 MsgLen, info;
+ __u16 len2, CapiCmd;
+ __u32 CP64[2] = {0, 0};
+#ifdef HYCAPI_PRINTFNAMES
+ printk(KERN_NOTICE "hycapi_rx_capipkt\n");
+#endif
+ if (!cinfo) {
+ return;
+ }
+ ctrl = &cinfo->capi_ctrl;
+ if (len < CAPI_MSG_BASELEN) {
+ printk(KERN_ERR "HYSDN Card%d: invalid CAPI-message, length %d!\n",
+ card->myid, len);
+ return;
+ }
+ MsgLen = CAPIMSG_LEN(buf);
+ ApplId = CAPIMSG_APPID(buf);
+ CapiCmd = CAPIMSG_CMD(buf);
+
+ if ((CapiCmd == CAPI_DATA_B3_IND) && (MsgLen < 30)) {
+ len2 = len + (30 - MsgLen);
+ if (!(skb = alloc_skb(len2, GFP_ATOMIC))) {
+ printk(KERN_ERR "HYSDN Card%d: incoming packet dropped\n",
+ card->myid);
+ return;
+ }
+ memcpy(skb_put(skb, MsgLen), buf, MsgLen);
+ memcpy(skb_put(skb, 2 * sizeof(__u32)), CP64, 2 * sizeof(__u32));
+ memcpy(skb_put(skb, len - MsgLen), buf + MsgLen,
+ len - MsgLen);
+ CAPIMSG_SETLEN(skb->data, 30);
+ } else {
+ if (!(skb = alloc_skb(len, GFP_ATOMIC))) {
+ printk(KERN_ERR "HYSDN Card%d: incoming packet dropped\n",
+ card->myid);
+ return;
+ }
+ memcpy(skb_put(skb, len), buf, len);
+ }
+ switch (CAPIMSG_CMD(skb->data))
+ {
+ case CAPI_CONNECT_B3_CONF:
+/* Check info-field for error-indication: */
+ info = CAPIMSG_U16(skb->data, 12);
+ switch (info)
+ {
+ case 0:
+ capilib_new_ncci(&cinfo->ncci_head, ApplId, CAPIMSG_NCCI(skb->data),
+ hycapi_applications[ApplId - 1].rp.datablkcnt);
+
+ break;
+ case 0x0001:
+ printk(KERN_ERR "HYSDN Card%d: NCPI not supported by current "
+ "protocol. NCPI ignored.\n", card->myid);
+ break;
+ case 0x2001:
+ printk(KERN_ERR "HYSDN Card%d: Message not supported in"
+ " current state\n", card->myid);
+ break;
+ case 0x2002:
+ printk(KERN_ERR "HYSDN Card%d: invalid PLCI\n", card->myid);
+ break;
+ case 0x2004:
+ printk(KERN_ERR "HYSDN Card%d: out of NCCI\n", card->myid);
+ break;
+ case 0x3008:
+ printk(KERN_ERR "HYSDN Card%d: NCPI not supported\n",
+ card->myid);
+ break;
+ default:
+ printk(KERN_ERR "HYSDN Card%d: Info in CONNECT_B3_CONF: %d\n",
+ card->myid, info);
+ break;
+ }
+ break;
+ case CAPI_CONNECT_B3_IND:
+ capilib_new_ncci(&cinfo->ncci_head, ApplId,
+ CAPIMSG_NCCI(skb->data),
+ hycapi_applications[ApplId - 1].rp.datablkcnt);
+ break;
+ case CAPI_DATA_B3_CONF:
+ capilib_data_b3_conf(&cinfo->ncci_head, ApplId,
+ CAPIMSG_NCCI(skb->data),
+ CAPIMSG_MSGID(skb->data));
+ break;
+ default:
+ break;
+ }
+ capi_ctr_handle_message(ctrl, ApplId, skb);
+}
+
+/******************************************************************
+hycapi_tx_capiack
+
+Internally acknowledge a msg sent. This will remove the msg from the
+internal queue.
+
+*******************************************************************/
+
+void hycapi_tx_capiack(hysdn_card *card)
+{
+ hycapictrl_info *cinfo = card->hyctrlinfo;
+#ifdef HYCAPI_PRINTFNAMES
+ printk(KERN_NOTICE "hycapi_tx_capiack\n");
+#endif
+ if (!cinfo) {
+ return;
+ }
+ spin_lock_irq(&cinfo->lock);
+ kfree_skb(cinfo->skbs[cinfo->out_idx]); /* free skb */
+ cinfo->skbs[cinfo->out_idx++] = NULL;
+ if (cinfo->out_idx >= HYSDN_MAX_CAPI_SKB)
+ cinfo->out_idx = 0; /* wrap around */
+
+ if (cinfo->sk_count-- == HYSDN_MAX_CAPI_SKB) /* dec usage count */
+ capi_ctr_resume_output(&cinfo->capi_ctrl);
+ spin_unlock_irq(&cinfo->lock);
+}
+
+/***************************************************************
+hycapi_tx_capiget(hysdn_card *card)
+
+This is called when polling for messages to SEND.
+
+****************************************************************/
+
+struct sk_buff *
+hycapi_tx_capiget(hysdn_card *card)
+{
+ hycapictrl_info *cinfo = card->hyctrlinfo;
+ if (!cinfo) {
+ return (struct sk_buff *)NULL;
+ }
+ if (!cinfo->sk_count)
+ return (struct sk_buff *)NULL; /* nothing available */
+
+ return (cinfo->skbs[cinfo->out_idx]); /* next packet to send */
+}
+
+
+/**********************************************************
+int hycapi_init()
+
+attach the capi-driver to the kernel-capi.
+
+***********************************************************/
+
+int hycapi_init(void)
+{
+ int i;
+ for (i = 0; i < CAPI_MAXAPPL; i++) {
+ memset(&(hycapi_applications[i]), 0, sizeof(hycapi_appl));
+ }
+ return (0);
+}
+
+/**************************************************************
+hycapi_cleanup(void)
+
+detach the capi-driver to the kernel-capi. Actually this should
+free some more ressources. Do that later.
+**************************************************************/
+
+void
+hycapi_cleanup(void)
+{
+}
+
+/********************************************************************
+hycapi_capi_create(hysdn_card *card)
+
+Attach the card with its capi-ctrl.
+*********************************************************************/
+
+static void hycapi_fill_profile(hysdn_card *card)
+{
+ hycapictrl_info *cinfo = NULL;
+ struct capi_ctr *ctrl = NULL;
+ cinfo = card->hyctrlinfo;
+ if (!cinfo) return;
+ ctrl = &cinfo->capi_ctrl;
+ strcpy(ctrl->manu, "Hypercope");
+ ctrl->version.majorversion = 2;
+ ctrl->version.minorversion = 0;
+ ctrl->version.majormanuversion = 3;
+ ctrl->version.minormanuversion = 2;
+ ctrl->profile.ncontroller = card->myid;
+ ctrl->profile.nbchannel = card->bchans;
+ ctrl->profile.goptions = GLOBAL_OPTION_INTERNAL_CONTROLLER |
+ GLOBAL_OPTION_B_CHANNEL_OPERATION;
+ ctrl->profile.support1 = B1_PROT_64KBIT_HDLC |
+ (card->faxchans ? B1_PROT_T30 : 0) |
+ B1_PROT_64KBIT_TRANSPARENT;
+ ctrl->profile.support2 = B2_PROT_ISO7776 |
+ (card->faxchans ? B2_PROT_T30 : 0) |
+ B2_PROT_TRANSPARENT;
+ ctrl->profile.support3 = B3_PROT_TRANSPARENT |
+ B3_PROT_T90NL |
+ (card->faxchans ? B3_PROT_T30 : 0) |
+ (card->faxchans ? B3_PROT_T30EXT : 0) |
+ B3_PROT_ISO8208;
+}
+
+int
+hycapi_capi_create(hysdn_card *card)
+{
+ hycapictrl_info *cinfo = NULL;
+ struct capi_ctr *ctrl = NULL;
+ int retval;
+#ifdef HYCAPI_PRINTFNAMES
+ printk(KERN_NOTICE "hycapi_capi_create\n");
+#endif
+ if ((hycapi_enable & (1 << card->myid)) == 0) {
+ return 1;
+ }
+ if (!card->hyctrlinfo) {
+ cinfo = kzalloc(sizeof(hycapictrl_info), GFP_ATOMIC);
+ if (!cinfo) {
+ printk(KERN_WARNING "HYSDN: no memory for capi-ctrl.\n");
+ return -ENOMEM;
+ }
+ card->hyctrlinfo = cinfo;
+ cinfo->card = card;
+ spin_lock_init(&cinfo->lock);
+ INIT_LIST_HEAD(&cinfo->ncci_head);
+
+ switch (card->brdtype) {
+ case BD_PCCARD: strcpy(cinfo->cardname, "HYSDN Hycard"); break;
+ case BD_ERGO: strcpy(cinfo->cardname, "HYSDN Ergo2"); break;
+ case BD_METRO: strcpy(cinfo->cardname, "HYSDN Metro4"); break;
+ case BD_CHAMP2: strcpy(cinfo->cardname, "HYSDN Champ2"); break;
+ case BD_PLEXUS: strcpy(cinfo->cardname, "HYSDN Plexus30"); break;
+ default: strcpy(cinfo->cardname, "HYSDN ???"); break;
+ }
+
+ ctrl = &cinfo->capi_ctrl;
+ ctrl->driver_name = "hycapi";
+ ctrl->driverdata = cinfo;
+ ctrl->register_appl = hycapi_register_appl;
+ ctrl->release_appl = hycapi_release_appl;
+ ctrl->send_message = hycapi_send_message;
+ ctrl->load_firmware = hycapi_load_firmware;
+ ctrl->reset_ctr = hycapi_reset_ctr;
+ ctrl->procinfo = hycapi_procinfo;
+ ctrl->proc_fops = &hycapi_proc_fops;
+ strcpy(ctrl->name, cinfo->cardname);
+ ctrl->owner = THIS_MODULE;
+
+ retval = attach_capi_ctr(ctrl);
+ if (retval) {
+ printk(KERN_ERR "hycapi: attach controller failed.\n");
+ return -EBUSY;
+ }
+ /* fill in the blanks: */
+ hycapi_fill_profile(card);
+ capi_ctr_ready(ctrl);
+ } else {
+ /* resume output on stopped ctrl */
+ ctrl = &card->hyctrlinfo->capi_ctrl;
+ hycapi_fill_profile(card);
+ capi_ctr_ready(ctrl);
+ hycapi_restart_internal(ctrl);
+/* ctrl->resume_output(ctrl); */
+ }
+ return 0;
+}
Code Review / kvmfornfv.git / blobdiff