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Commit 1d1a9e39 authored by Kai Germaschewski's avatar Kai Germaschewski
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ISDN: CAPI: Pass struct capi_appl * instead of index 

Now that we have the struct capi_appl *, let's pass this around
instead of just an index which would mean another useless lookup.
parent 10b080a3
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Showing with 39 additions and 45 deletions
drivers/isdn/capi/capi.c
View file @ 1d1a9e39
......@@ -84,7 +84,7 @@ struct capiminor {
struct capincci *nccip;
unsigned int minor;
u16 applid;
struct capi20_appl *ap;
u32 ncci;
u16 datahandle;
u16 msgid;
......@@ -207,7 +207,7 @@ static void capiminor_del_all_ack(struct capiminor *mp)
/* -------- struct capiminor ---------------------------------------- */
static struct capiminor *capiminor_alloc(u16 applid, u32 ncci)
static struct capiminor *capiminor_alloc(struct capi20_appl *ap, u32 ncci)
{
struct capiminor *mp, *p;
struct list_head *l;
......@@ -225,7 +225,7 @@ static struct capiminor *capiminor_alloc(u16 applid, u32 ncci)
printk(KERN_DEBUG "capiminor_alloc %d\n", GET_USE_COUNT(THIS_MODULE));
#endif
memset(mp, 0, sizeof(struct capiminor));
mp->applid = applid;
mp->ap = ap;
mp->ncci = ncci;
mp->msgid = 0;
atomic_set(&mp->ttyopencount,0);
......@@ -309,7 +309,7 @@ static struct capincci *capincci_alloc(struct capidev *cdev, u32 ncci)
#ifdef CONFIG_ISDN_CAPI_MIDDLEWARE
mp = 0;
if (cdev->userflags & CAPIFLAG_HIGHJACKING)
mp = np->minorp = capiminor_alloc(cdev->ap.applid, ncci);
mp = np->minorp = capiminor_alloc(&cdev->ap, ncci);
if (mp) {
mp->nccip = np;
#ifdef _DEBUG_REFCOUNT
......@@ -423,7 +423,7 @@ gen_data_b3_resp_for(struct capiminor *mp, struct sk_buff *skb)
u16 datahandle = CAPIMSG_U16(skb->data,CAPIMSG_BASELEN+4+4+2);
unsigned char *s = skb_put(nskb, CAPI_DATA_B3_RESP_LEN);
capimsg_setu16(s, 0, CAPI_DATA_B3_RESP_LEN);
capimsg_setu16(s, 2, mp->applid);
capimsg_setu16(s, 2, mp->ap->applid);
capimsg_setu8 (s, 4, CAPI_DATA_B3);
capimsg_setu8 (s, 5, CAPI_RESP);
capimsg_setu16(s, 6, mp->msgid++);
......@@ -463,7 +463,7 @@ static int handle_recv_skb(struct capiminor *mp, struct sk_buff *skb)
return -1;
}
datahandle = CAPIMSG_U16(skb->data,CAPIMSG_BASELEN+4);
errcode = capi20_put_message(mp->applid, nskb);
errcode = capi20_put_message(mp->ap, nskb);
if (errcode != CAPI_NOERROR) {
printk(KERN_ERR "capi: send DATA_B3_RESP failed=%x\n",
errcode);
......@@ -521,7 +521,7 @@ static int handle_minor_send(struct capiminor *mp)
skb_push(skb, CAPI_DATA_B3_REQ_LEN);
memset(skb->data, 0, CAPI_DATA_B3_REQ_LEN);
capimsg_setu16(skb->data, 0, CAPI_DATA_B3_REQ_LEN);
capimsg_setu16(skb->data, 2, mp->applid);
capimsg_setu16(skb->data, 2, mp->ap->applid);
capimsg_setu8 (skb->data, 4, CAPI_DATA_B3);
capimsg_setu8 (skb->data, 5, CAPI_REQ);
capimsg_setu16(skb->data, 6, mp->msgid++);
......@@ -536,7 +536,7 @@ static int handle_minor_send(struct capiminor *mp)
skb_queue_head(&mp->outqueue, skb);
return count;
}
errcode = capi20_put_message(mp->applid, skb);
errcode = capi20_put_message(mp->ap, skb);
if (errcode == CAPI_NOERROR) {
mp->datahandle++;
count++;
......@@ -577,14 +577,12 @@ static void capi_signal(u16 applid, void *param)
struct sk_buff *skb = 0;
u32 ncci;
capi20_get_message(applid, &skb);
capi20_get_message(&cdev->ap, &skb);
if (!skb) {
printk(KERN_ERR "BUG: capi_signal: no skb\n");
return;
}
BUG_ON(cdev->ap.applid != applid);
if (CAPIMSG_COMMAND(skb->data) == CAPI_CONNECT_B3_CONF) {
u16 info = CAPIMSG_U16(skb->data, 12); // Info field
if (info == 0)
......@@ -747,7 +745,7 @@ capi_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
}
cdev->errcode = capi20_put_message(cdev->ap.applid, skb);
cdev->errcode = capi20_put_message(&cdev->ap, skb);
if (cdev->errcode) {
kfree_skb(skb);
......@@ -781,28 +779,29 @@ static int
capi_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
struct capidev *cdev = (struct capidev *)file->private_data;
struct capidev *cdev = file->private_data;
struct capi20_appl *ap = &cdev->ap;
capi_ioctl_struct data;
int retval = -EINVAL;
switch (cmd) {
case CAPI_REGISTER:
{
if (cdev->ap.applid)
if (ap->applid)
return -EEXIST;
if (copy_from_user(&cdev->ap.rparam, (void *) arg,
sizeof(struct capi_register_params)))
return -EFAULT;
cdev->errcode = capi20_register(&cdev->ap);
cdev->errcode = capi20_register(ap);
if (cdev->errcode) {
cdev->ap.applid = 0;
ap->applid = 0;
return -EIO;
}
capi20_set_signal(cdev->ap.applid, capi_signal, cdev);
capi20_set_signal(ap, capi_signal, cdev);
}
return (int)cdev->ap.applid;
return (int)ap->applid;
case CAPI_GET_VERSION:
{
......
drivers/isdn/capi/capidrv.c
View file @ 1d1a9e39
......@@ -518,7 +518,7 @@ static void send_message(capidrv_contr * card, _cmsg * cmsg)
len = CAPIMSG_LEN(cmsg->buf);
skb = alloc_skb(len, GFP_ATOMIC);
memcpy(skb_put(skb, len), cmsg->buf, len);
capi20_put_message(global.ap.applid, skb);
capi20_put_message(&global.ap, skb);
global.nsentctlpkt++;
}
......@@ -1376,7 +1376,7 @@ static void capidrv_signal(u16 applid, void *dummy)
{
struct sk_buff *skb = 0;
while (capi20_get_message(global.ap.applid, &skb) == CAPI_NOERROR) {
while (capi20_get_message(&global.ap, &skb) == CAPI_NOERROR) {
capi_message2cmsg(&s_cmsg, skb->data);
if (debugmode > 2)
printk(KERN_DEBUG "capidrv_signal: applid=%d %s\n",
......@@ -1912,7 +1912,7 @@ static int if_sendbuf(int id, int channel, int doack, struct sk_buff *skb)
printk(KERN_DEBUG "capidrv-%d: only %d bytes headroom, need %d\n",
card->contrnr, skb_headroom(skb), msglen);
memcpy(skb_push(nskb, msglen), sendcmsg.buf, msglen);
errcode = capi20_put_message(global.ap.applid, nskb);
errcode = capi20_put_message(&global.ap, nskb);
if (errcode == CAPI_NOERROR) {
dev_kfree_skb(skb);
nccip->datahandle++;
......@@ -1924,7 +1924,7 @@ static int if_sendbuf(int id, int channel, int doack, struct sk_buff *skb)
return errcode == CAPI_SENDQUEUEFULL ? 0 : -1;
} else {
memcpy(skb_push(skb, msglen), sendcmsg.buf, msglen);
errcode = capi20_put_message(global.ap.applid, skb);
errcode = capi20_put_message(&global.ap, skb);
if (errcode == CAPI_NOERROR) {
nccip->datahandle++;
global.nsentdatapkt++;
......@@ -2319,7 +2319,7 @@ static int __init capidrv_init(void)
return -EIO;
}
capi20_set_callback(global.ap.applid, lower_callback);
capi20_set_callback(&global.ap, lower_callback);
errcode = capi20_get_profile(0, &profile);
if (errcode != CAPI_NOERROR) {
......@@ -2328,7 +2328,7 @@ static int __init capidrv_init(void)
return -EIO;
}
capi20_set_signal(global.ap.applid, capidrv_signal, 0);
capi20_set_signal(&global.ap, capidrv_signal, 0);
ncontr = profile.ncontroller;
for (contr = 1; contr <= ncontr; contr++) {
......
drivers/isdn/capi/kcapi.c
View file @ 1d1a9e39
......@@ -912,19 +912,17 @@ u16 capi20_release(struct capi20_appl *ap)
EXPORT_SYMBOL(capi20_release);
u16 capi20_put_message(u16 applid, struct sk_buff *skb)
u16 capi20_put_message(struct capi20_appl *ap, struct sk_buff *skb)
{
struct capi_ctr *card;
struct capi20_appl *ap;
int showctl = 0;
u8 cmd, subcmd;
DBG("applid %#x", applid);
DBG("applid %#x", ap->applid);
if (ncards == 0)
return CAPI_REGNOTINSTALLED;
ap = get_capi_appl_by_nr(applid);
if (!ap)
if (ap->applid == 0)
return CAPI_ILLAPPNR;
if (skb->len < 12
|| !capi_cmd_valid(CAPIMSG_COMMAND(skb->data))
......@@ -971,12 +969,11 @@ u16 capi20_put_message(u16 applid, struct sk_buff *skb)
EXPORT_SYMBOL(capi20_put_message);
u16 capi20_get_message(u16 applid, struct sk_buff **msgp)
u16 capi20_get_message(struct capi20_appl *ap, struct sk_buff **msgp)
{
struct capi20_appl *ap = get_capi_appl_by_nr(applid);
struct sk_buff *skb;
if (!ap)
if (ap->applid == 0)
return CAPI_ILLAPPNR;
if ((skb = skb_dequeue(&ap->recv_queue)) == 0)
return CAPI_RECEIVEQUEUEEMPTY;
......@@ -986,13 +983,11 @@ u16 capi20_get_message(u16 applid, struct sk_buff **msgp)
EXPORT_SYMBOL(capi20_get_message);
u16 capi20_set_signal(u16 applid,
u16 capi20_set_signal(struct capi20_appl *ap,
void (*signal) (u16 applid, void *param),
void *param)
{
struct capi20_appl *ap = get_capi_appl_by_nr(applid);
if (!ap)
if (ap->applid == 0)
return CAPI_ILLAPPNR;
ap->signal = signal;
ap->param = param;
......@@ -1258,10 +1253,9 @@ int capi20_manufacturer(unsigned int cmd, void *data)
EXPORT_SYMBOL(capi20_manufacturer);
/* temporary hack */
void capi20_set_callback(u16 applid, void (*callback) (unsigned int cmd, __u32 contr, void *data))
void capi20_set_callback(struct capi20_appl *ap,
void (*callback) (unsigned int cmd, __u32 contr, void *data))
{
struct capi20_appl *ap = get_capi_appl_by_nr(applid);
ap->callback = callback;
}
......
include/linux/kernelcapi.h
View file @ 1d1a9e39
......@@ -77,9 +77,9 @@ struct capi20_appl {
u16 capi20_isinstalled(void);
u16 capi20_register(struct capi20_appl *ap);
u16 capi20_release(struct capi20_appl *ap);
u16 capi20_put_message(u16 applid, struct sk_buff *skb);
u16 capi20_get_message(u16 applid, struct sk_buff **msgp);
u16 capi20_set_signal(u16 applid,
u16 capi20_put_message(struct capi20_appl *ap, struct sk_buff *skb);
u16 capi20_get_message(struct capi20_appl *ap, struct sk_buff **msgp);
u16 capi20_set_signal(struct capi20_appl *ap,
void (*signal) (u16 applid, void *param),
void *param);
u16 capi20_get_manufacturer(u32 contr, u8 buf[CAPI_MANUFACTURER_LEN]);
......@@ -89,7 +89,8 @@ u16 capi20_get_profile(u32 contr, struct capi_profile *profp);
int capi20_manufacturer(unsigned int cmd, void *data);
/* temporary hack XXX */
void capi20_set_callback(u16 applid, void (*callback) (unsigned int cmd, __u32 contr, void *data));
void capi20_set_callback(struct capi20_appl *ap,
void (*callback) (unsigned int cmd, __u32 contr, void *data));
......
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