diff options
Diffstat (limited to 'testing/dahdi-linux-vserver/dahdi-bri_dchan.patch')
| -rw-r--r-- | testing/dahdi-linux-vserver/dahdi-bri_dchan.patch | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/testing/dahdi-linux-vserver/dahdi-bri_dchan.patch b/testing/dahdi-linux-vserver/dahdi-bri_dchan.patch deleted file mode 100644 index d7a3fe859..000000000 --- a/testing/dahdi-linux-vserver/dahdi-bri_dchan.patch +++ /dev/null @@ -1,161 +0,0 @@ -# Translate the D channels to a standard channel data. -# The HFC chipset provides us the D channel as data, but -# Zaptel expects it as a standard channel with 1000 samples -# per second. - ---- a/include/dahdi/kernel.h -+++ b/include/dahdi/kernel.h -@@ -132,6 +132,13 @@ struct dahdi_chan { - int do_ppp_error; - struct sk_buff_head ppp_rq; - #endif -+#ifdef CONFIG_DAHDI_BRI_DCHANS -+ int bytes2receive; -+ int maxbytes2transmit; /* size of the tx buffer in the card driver */ -+ int bytes2transmit; -+ int eofrx; -+ int eoftx; -+#endif - spinlock_t lock; - char name[40]; - /* Specified by DAHDI */ -@@ -462,6 +469,9 @@ enum { - DAHDI_FLAGBIT_LOOPED = 18, /*!< Loopback the receive data from the channel to the transmit */ - DAHDI_FLAGBIT_MTP2 = 19, /*!< Repeats last message in buffer and also discards repeating messages sent to us */ - DAHDI_FLAGBIT_HDLC56 = 20, /*!< Sets the given channel (if in HDLC mode) to use 56K HDLC instead of 64K */ -+#if defined(CONFIG_DAHDI_BRI_DCHANS) -+ DAHDI_FLAGBIT_BRIDCHAN = 21, /*!< hardhdlc-like handling of the D channel */ -+#endif - }; - - /* map flagbits to flag masks */ -@@ -500,6 +510,7 @@ enum { - #define DAHDI_FLAG_LOOPED DAHDI_FLAG(LOOPED) - #define DAHDI_FLAG_MTP2 DAHDI_FLAG(MTP2) - #define DAHDI_FLAG_HDLC56 DAHDI_FLAG(HDLC56) -+#define DAHDI_FLAG_BRIDCHAN DAHDI_FLAG(BRIDCHAN) - - struct dahdi_span { - spinlock_t lock; ---- a/include/dahdi/dahdi_config.h -+++ b/include/dahdi/dahdi_config.h -@@ -174,4 +174,10 @@ - */ - /* #define OPTIMIZE_CHANMUTE */ - -+/* -+ * Uncomment the following for BRI D channels -+ * -+ */ -+#define CONFIG_DAHDI_BRI_DCHANS -+ - #endif ---- a/drivers/dahdi/dahdi-base.c -+++ b/drivers/dahdi/dahdi-base.c -@@ -5907,11 +5907,40 @@ static inline void __dahdi_getbuf_chunk( - *(txb++) = fasthdlc_tx_run_nocheck(&ms->txhdlc); - } - bytes -= left; -+#ifdef CONFIG_DAHDI_BRI_DCHANS -+ } else if (test_bit(DAHDI_FLAGBIT_BRIDCHAN, &ms->flags)) { -+ /* -+ * Let's get this right, we want to transmit complete frames only. -+ * The card driver will do the dirty HDLC work for us. -+ * txb (transmit buffer) is supposed to be big enough to store one frame -+ * we will make this as big as the D fifo (1KB or 2KB) -+ */ -+ -+ /* there are 'left' bytes in the user buffer left to transmit */ -+ left = ms->writen[ms->outwritebuf] - ms->writeidx[ms->outwritebuf] - 2; -+ if (left > ms->maxbytes2transmit) { -+ memcpy(txb, buf + ms->writeidx[ms->outwritebuf], ms->maxbytes2transmit); -+ ms->writeidx[ms->outwritebuf] += ms->maxbytes2transmit; -+ txb += ms->maxbytes2transmit; -+ ms->bytes2transmit = ms->maxbytes2transmit; -+ ms->eoftx = 0; -+ } else { -+ memcpy(txb, buf + ms->writeidx[ms->outwritebuf], left); -+ ms->writeidx[ms->outwritebuf] += left + 2; -+ txb += left + 2; -+ ms->bytes2transmit = left; -+ ms->eoftx = 1; -+ } -+ bytes = 0; -+#endif - } else { - memcpy(txb, buf + ms->writeidx[ms->outwritebuf], left); - ms->writeidx[ms->outwritebuf]+=left; - txb += left; - bytes -= left; -+#if defined(CONFIG_DAHDI_BRI_DCHANS) -+ ms->bytes2transmit=DAHDI_CHUNKSIZE; -+#endif - } - /* Check buffer status */ - if (ms->writeidx[ms->outwritebuf] >= ms->writen[ms->outwritebuf]) { -@@ -5968,6 +5997,17 @@ out in the later versions, and is put ba - /* Transmit a flag if this is an HDLC channel */ - if (ms->flags & DAHDI_FLAG_HDLC) - fasthdlc_tx_frame_nocheck(&ms->txhdlc); -+#if defined(CONFIG_DAHDI_BRI_DCHANS) -+ if (test_bit(DAHDI_FLAGBIT_BRIDCHAN, &ms->flags)) { -+ // if (ms->bytes2transmit > 0) { -+ // txb += 2; -+ // ms->bytes2transmit -= 2; -+ bytes=0; -+ ms->eoftx = 1; -+// printk(KERN_CRIT "zaptel EOF(%d) bytes2transmit %d\n",ms->eoftx,ms->bytes2transmit); -+ // } -+ } -+#endif - #ifdef CONFIG_DAHDI_NET - if (ms->flags & DAHDI_FLAG_NETDEV) - netif_wake_queue(ztchan_to_dev(ms)); -@@ -6028,6 +6068,12 @@ out in the later versions, and is put ba - memset(txb, 0xFF, bytes); - } - bytes = 0; -+#if defined(CONFIG_DAHDI_BRI_DCHANS) -+ } else if (test_bit(DAHDI_FLAGBIT_BRIDCHAN, &ms->flags)) { -+ ms->bytes2transmit = 0; -+ ms->eoftx = 0; -+ bytes = 0; -+#endif - } else { - memset(txb, DAHDI_LIN2X(0, ms), bytes); /* Lastly we use silence on telephony channels */ - bytes = 0; -@@ -6840,6 +6886,14 @@ static inline void __putbuf_chunk(struct - int res; - int left, x; - -+#if defined(CONFIG_DAHDI_BRI_DCHANS) -+ if (test_bit(DAHDI_FLAGBIT_BRIDCHAN, &ms->flags)) { -+ bytes = ms->bytes2receive; -+ if (bytes < 1) return; -+// printk(KERN_CRIT "bytes2receive %d\n",ms->bytes2receive); -+ } -+#endif -+ - while(bytes) { - #if defined(CONFIG_DAHDI_NET) || defined(CONFIG_DAHDI_PPP) - skb = NULL; -@@ -6897,6 +6951,19 @@ static inline void __putbuf_chunk(struct - } - } - } -+#ifdef CONFIG_DAHDI_BRI_DCHANS -+ } else if (test_bit(DAHDI_FLAGBIT_BRIDCHAN, &ms->flags)) { -+ memcpy(buf + ms->readidx[ms->inreadbuf], rxb, left); -+ rxb += left; -+ ms->readidx[ms->inreadbuf] += left; -+ bytes -= left; -+ if (ms->eofrx == 1) { -+ eof=1; -+ } -+// printk(KERN_CRIT "receiving %d bytes\n",ms->bytes2receive); -+ ms->bytes2receive = 0; -+ ms->eofrx = 0; -+#endif - } else { - /* Not HDLC */ - memcpy(buf + ms->readidx[ms->inreadbuf], rxb, left); |