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path: root/drivers/isdn/sc/packet.c
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Diffstat (limited to 'drivers/isdn/sc/packet.c')
-rw-r--r--drivers/isdn/sc/packet.c129
1 files changed, 64 insertions, 65 deletions
diff --git a/drivers/isdn/sc/packet.c b/drivers/isdn/sc/packet.c
index 5ff6ae86844..2446957085e 100644
--- a/drivers/isdn/sc/packet.c
+++ b/drivers/isdn/sc/packet.c
@@ -29,27 +29,27 @@ int sndpkt(int devId, int channel, int ack, struct sk_buff *data)
card = get_card_from_id(devId);
- if(!IS_VALID_CARD(card)) {
+ if (!IS_VALID_CARD(card)) {
pr_debug("invalid param: %d is not a valid card id\n", card);
return -ENODEV;
}
pr_debug("%s: sndpkt: frst = 0x%lx nxt = %d f = %d n = %d\n",
- sc_adapter[card]->devicename,
- sc_adapter[card]->channel[channel].first_sendbuf,
- sc_adapter[card]->channel[channel].next_sendbuf,
- sc_adapter[card]->channel[channel].free_sendbufs,
- sc_adapter[card]->channel[channel].num_sendbufs);
+ sc_adapter[card]->devicename,
+ sc_adapter[card]->channel[channel].first_sendbuf,
+ sc_adapter[card]->channel[channel].next_sendbuf,
+ sc_adapter[card]->channel[channel].free_sendbufs,
+ sc_adapter[card]->channel[channel].num_sendbufs);
- if(!sc_adapter[card]->channel[channel].free_sendbufs) {
+ if (!sc_adapter[card]->channel[channel].free_sendbufs) {
pr_debug("%s: out of TX buffers\n",
- sc_adapter[card]->devicename);
+ sc_adapter[card]->devicename);
return -EINVAL;
}
- if(data->len > BUFFER_SIZE) {
+ if (data->len > BUFFER_SIZE) {
pr_debug("%s: data overflows buffer size (data > buffer)\n",
- sc_adapter[card]->devicename);
+ sc_adapter[card]->devicename);
return -EINVAL;
}
@@ -57,24 +57,24 @@ int sndpkt(int devId, int channel, int ack, struct sk_buff *data)
BUFFER_SIZE + sc_adapter[card]->channel[channel].first_sendbuf;
ReqLnkWrite.msg_len = data->len; /* sk_buff size */
pr_debug("%s: writing %d bytes to buffer offset 0x%lx\n",
- sc_adapter[card]->devicename,
- ReqLnkWrite.msg_len, ReqLnkWrite.buff_offset);
+ sc_adapter[card]->devicename,
+ ReqLnkWrite.msg_len, ReqLnkWrite.buff_offset);
memcpy_toshmem(card, (char *)ReqLnkWrite.buff_offset, data->data, ReqLnkWrite.msg_len);
/*
* sendmessage
*/
pr_debug("%s: sndpkt size=%d, buf_offset=0x%lx buf_indx=%d\n",
- sc_adapter[card]->devicename,
- ReqLnkWrite.msg_len, ReqLnkWrite.buff_offset,
- sc_adapter[card]->channel[channel].next_sendbuf);
+ sc_adapter[card]->devicename,
+ ReqLnkWrite.msg_len, ReqLnkWrite.buff_offset,
+ sc_adapter[card]->channel[channel].next_sendbuf);
status = sendmessage(card, CEPID, ceReqTypeLnk, ceReqClass1, ceReqLnkWrite,
- channel+1, sizeof(LLData), (unsigned int*)&ReqLnkWrite);
+ channel + 1, sizeof(LLData), (unsigned int *)&ReqLnkWrite);
len = data->len;
- if(status) {
+ if (status) {
pr_debug("%s: failed to send packet, status = %d\n",
- sc_adapter[card]->devicename, status);
+ sc_adapter[card]->devicename, status);
return -1;
}
else {
@@ -83,9 +83,9 @@ int sndpkt(int devId, int channel, int ack, struct sk_buff *data)
++sc_adapter[card]->channel[channel].next_sendbuf ==
sc_adapter[card]->channel[channel].num_sendbufs ? 0 :
sc_adapter[card]->channel[channel].next_sendbuf;
- pr_debug("%s: packet sent successfully\n", sc_adapter[card]->devicename);
+ pr_debug("%s: packet sent successfully\n", sc_adapter[card]->devicename);
dev_kfree_skb(data);
- indicate_status(card,ISDN_STAT_BSENT,channel, (char *)&len);
+ indicate_status(card, ISDN_STAT_BSENT, channel, (char *)&len);
}
return len;
}
@@ -95,49 +95,49 @@ void rcvpkt(int card, RspMessage *rcvmsg)
LLData newll;
struct sk_buff *skb;
- if(!IS_VALID_CARD(card)) {
+ if (!IS_VALID_CARD(card)) {
pr_debug("invalid param: %d is not a valid card id\n", card);
return;
}
- switch(rcvmsg->rsp_status){
+ switch (rcvmsg->rsp_status) {
case 0x01:
case 0x02:
case 0x70:
pr_debug("%s: error status code: 0x%x\n",
- sc_adapter[card]->devicename, rcvmsg->rsp_status);
+ sc_adapter[card]->devicename, rcvmsg->rsp_status);
return;
- case 0x00:
- if (!(skb = dev_alloc_skb(rcvmsg->msg_data.response.msg_len))) {
+ case 0x00:
+ if (!(skb = dev_alloc_skb(rcvmsg->msg_data.response.msg_len))) {
printk(KERN_WARNING "%s: rcvpkt out of memory, dropping packet\n",
- sc_adapter[card]->devicename);
+ sc_adapter[card]->devicename);
return;
}
skb_put(skb, rcvmsg->msg_data.response.msg_len);
pr_debug("%s: getting data from offset: 0x%lx\n",
- sc_adapter[card]->devicename,
- rcvmsg->msg_data.response.buff_offset);
+ sc_adapter[card]->devicename,
+ rcvmsg->msg_data.response.buff_offset);
memcpy_fromshmem(card,
- skb_put(skb, rcvmsg->msg_data.response.msg_len),
- (char *)rcvmsg->msg_data.response.buff_offset,
- rcvmsg->msg_data.response.msg_len);
+ skb_put(skb, rcvmsg->msg_data.response.msg_len),
+ (char *)rcvmsg->msg_data.response.buff_offset,
+ rcvmsg->msg_data.response.msg_len);
sc_adapter[card]->card->rcvcallb_skb(sc_adapter[card]->driverId,
- rcvmsg->phy_link_no-1, skb);
+ rcvmsg->phy_link_no - 1, skb);
case 0x03:
/*
- * Recycle the buffer
- */
+ * Recycle the buffer
+ */
pr_debug("%s: buffer size : %d\n",
- sc_adapter[card]->devicename, BUFFER_SIZE);
+ sc_adapter[card]->devicename, BUFFER_SIZE);
/* memset_shmem(card, rcvmsg->msg_data.response.buff_offset, 0, BUFFER_SIZE); */
newll.buff_offset = rcvmsg->msg_data.response.buff_offset;
newll.msg_len = BUFFER_SIZE;
pr_debug("%s: recycled buffer at offset 0x%lx size %d\n",
- sc_adapter[card]->devicename,
- newll.buff_offset, newll.msg_len);
+ sc_adapter[card]->devicename,
+ newll.buff_offset, newll.msg_len);
sendmessage(card, CEPID, ceReqTypeLnk, ceReqClass1, ceReqLnkRead,
- rcvmsg->phy_link_no, sizeof(LLData), (unsigned int *)&newll);
+ rcvmsg->phy_link_no, sizeof(LLData), (unsigned int *)&newll);
}
}
@@ -148,7 +148,7 @@ int setup_buffers(int card, int c)
unsigned int buffer_size;
LLData RcvBuffOffset;
- if(!IS_VALID_CARD(card)) {
+ if (!IS_VALID_CARD(card)) {
pr_debug("invalid param: %d is not a valid card id\n", card);
return -ENODEV;
}
@@ -157,49 +157,48 @@ int setup_buffers(int card, int c)
* Calculate the buffer offsets (send/recv/send/recv)
*/
pr_debug("%s: setting up channel buffer space in shared RAM\n",
- sc_adapter[card]->devicename);
+ sc_adapter[card]->devicename);
buffer_size = BUFFER_SIZE;
nBuffers = ((sc_adapter[card]->ramsize - BUFFER_BASE) / buffer_size) / 2;
nBuffers = nBuffers > BUFFERS_MAX ? BUFFERS_MAX : nBuffers;
pr_debug("%s: calculating buffer space: %d buffers, %d big\n",
- sc_adapter[card]->devicename,
- nBuffers, buffer_size);
- if(nBuffers < 2) {
+ sc_adapter[card]->devicename,
+ nBuffers, buffer_size);
+ if (nBuffers < 2) {
pr_debug("%s: not enough buffer space\n",
- sc_adapter[card]->devicename);
+ sc_adapter[card]->devicename);
return -1;
}
cBase = (nBuffers * buffer_size) * (c - 1);
pr_debug("%s: channel buffer offset from shared RAM: 0x%x\n",
- sc_adapter[card]->devicename, cBase);
- sc_adapter[card]->channel[c-1].first_sendbuf = BUFFER_BASE + cBase;
- sc_adapter[card]->channel[c-1].num_sendbufs = nBuffers / 2;
- sc_adapter[card]->channel[c-1].free_sendbufs = nBuffers / 2;
- sc_adapter[card]->channel[c-1].next_sendbuf = 0;
+ sc_adapter[card]->devicename, cBase);
+ sc_adapter[card]->channel[c - 1].first_sendbuf = BUFFER_BASE + cBase;
+ sc_adapter[card]->channel[c - 1].num_sendbufs = nBuffers / 2;
+ sc_adapter[card]->channel[c - 1].free_sendbufs = nBuffers / 2;
+ sc_adapter[card]->channel[c - 1].next_sendbuf = 0;
pr_debug("%s: send buffer setup complete: first=0x%lx n=%d f=%d, nxt=%d\n",
- sc_adapter[card]->devicename,
- sc_adapter[card]->channel[c-1].first_sendbuf,
- sc_adapter[card]->channel[c-1].num_sendbufs,
- sc_adapter[card]->channel[c-1].free_sendbufs,
- sc_adapter[card]->channel[c-1].next_sendbuf);
+ sc_adapter[card]->devicename,
+ sc_adapter[card]->channel[c - 1].first_sendbuf,
+ sc_adapter[card]->channel[c - 1].num_sendbufs,
+ sc_adapter[card]->channel[c - 1].free_sendbufs,
+ sc_adapter[card]->channel[c - 1].next_sendbuf);
/*
* Prep the receive buffers
*/
pr_debug("%s: adding %d RecvBuffers:\n",
- sc_adapter[card]->devicename, nBuffers /2);
- for (i = 0 ; i < nBuffers / 2; i++) {
- RcvBuffOffset.buff_offset =
- ((sc_adapter[card]->channel[c-1].first_sendbuf +
- (nBuffers / 2) * buffer_size) + (buffer_size * i));
+ sc_adapter[card]->devicename, nBuffers / 2);
+ for (i = 0; i < nBuffers / 2; i++) {
+ RcvBuffOffset.buff_offset =
+ ((sc_adapter[card]->channel[c - 1].first_sendbuf +
+ (nBuffers / 2) * buffer_size) + (buffer_size * i));
RcvBuffOffset.msg_len = buffer_size;
pr_debug("%s: adding RcvBuffer #%d offset=0x%lx sz=%d bufsz:%d\n",
- sc_adapter[card]->devicename,
- i + 1, RcvBuffOffset.buff_offset,
- RcvBuffOffset.msg_len,buffer_size);
+ sc_adapter[card]->devicename,
+ i + 1, RcvBuffOffset.buff_offset,
+ RcvBuffOffset.msg_len, buffer_size);
sendmessage(card, CEPID, ceReqTypeLnk, ceReqClass1, ceReqLnkRead,
- c, sizeof(LLData), (unsigned int *)&RcvBuffOffset);
- }
+ c, sizeof(LLData), (unsigned int *)&RcvBuffOffset);
+ }
return 0;
}
-
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-06 15:24:25 +0000