[svn-commits] kmoore: linux/trunk r9524 - in /linux/trunk: drivers/dahdi/ drivers/dahdi/wcb...
SVN commits to the Digium repositories
svn-commits at lists.digium.com
Thu Dec 9 14:19:33 CST 2010
Author: kmoore
Date: Thu Dec 9 14:19:26 2010
New Revision: 9524
URL: http://svnview.digium.com/svn/dahdi?view=rev&rev=9524
Log:
dahdi-base, dahdi_echocan_*, wcb4xxp, wct4xxp, wctdm24xxp, wcte12xp, kernel: Allow name of EC factory to vary based on channel
Changed the echocan factory name to a function (get_name) called to get the
name. This allows a factory to return a different name when being called in
reference to a channel such as in the case of hardware echo cancellers. To
further accommodate this change for HWEC, a new echocan_name function was
added to the span ops struct and is used in hwec_factory in dahdi-base for
all cards that support hardware echo cancellation.
Signed-off-by: Kinsey Moore <kmoore at digium.com>
Acked-by: Shaun Ruffell <sruffell at digium.com>
Modified:
linux/trunk/drivers/dahdi/dahdi-base.c
linux/trunk/drivers/dahdi/dahdi_echocan_jpah.c
linux/trunk/drivers/dahdi/dahdi_echocan_kb1.c
linux/trunk/drivers/dahdi/dahdi_echocan_mg2.c
linux/trunk/drivers/dahdi/dahdi_echocan_oslec.c
linux/trunk/drivers/dahdi/dahdi_echocan_sec.c
linux/trunk/drivers/dahdi/dahdi_echocan_sec2.c
linux/trunk/drivers/dahdi/wcb4xxp/base.c
linux/trunk/drivers/dahdi/wct4xxp/base.c
linux/trunk/drivers/dahdi/wctdm24xxp/base.c
linux/trunk/drivers/dahdi/wcte12xp/base.c
linux/trunk/include/dahdi/kernel.h
Modified: linux/trunk/drivers/dahdi/dahdi-base.c
URL: http://svnview.digium.com/svn/dahdi/linux/trunk/drivers/dahdi/dahdi-base.c?view=diff&rev=9524&r1=9523&r2=9524
==============================================================================
--- linux/trunk/drivers/dahdi/dahdi-base.c (original)
+++ linux/trunk/drivers/dahdi/dahdi-base.c Thu Dec 9 14:19:26 2010
@@ -799,7 +799,7 @@
if (chan->ec_factory)
len += snprintf(page+len, count-len, "(EC: %s - %s) ",
- chan->ec_factory->name,
+ chan->ec_factory->get_name(chan),
chan->ec_state ? "ACTIVE" : "INACTIVE");
len += snprintf(page+len, count-len, "\n");
@@ -1197,7 +1197,7 @@
read_lock(&ecfactory_list_lock);
list_for_each_entry(cur, &ecfactory_list, list) {
- if (!strcmp(name_upper, cur->ec->name)) {
+ if (!strcmp(name_upper, cur->ec->get_name(NULL))) {
if (try_module_get(cur->ec->owner)) {
read_unlock(&ecfactory_list_lock);
kfree(name_upper);
@@ -4603,8 +4603,9 @@
dahdi_copy_string(vi.version, DAHDI_VERSION, sizeof(vi.version));
read_lock(&ecfactory_list_lock);
list_for_each_entry(cur, &ecfactory_list, list) {
- strncat(vi.echo_canceller + strlen(vi.echo_canceller), cur->ec->name, space);
- space -= strlen(cur->ec->name);
+ strncat(vi.echo_canceller + strlen(vi.echo_canceller),
+ cur->ec->get_name(NULL), space);
+ space -= strlen(cur->ec->get_name(NULL));
if (space < 1) {
break;
}
@@ -5478,7 +5479,9 @@
/* try to get another reference to the module providing
this channel's echo canceler */
if (!try_module_get(chan->ec_factory->owner)) {
- module_printk(KERN_ERR, "Cannot get a reference to the '%s' echo canceler\n", chan->ec_factory->name);
+ module_printk(KERN_ERR, "Cannot get a reference to the"
+ " '%s' echo canceler\n",
+ chan->ec_factory->get_name(chan));
goto exit_with_free;
}
@@ -5495,7 +5498,7 @@
if (!ec) {
module_printk(KERN_ERR, "%s failed to allocate an " \
"dahdi_echocan_state instance.\n",
- ec_current->name);
+ ec_current->get_name(chan));
ret = -EFAULT;
goto exit_with_free;
}
@@ -8899,6 +8902,15 @@
return 0;
}
+static const char *hwec_def_name = "HWEC";
+static const char *hwec_get_name(const struct dahdi_chan *chan)
+{
+ if (chan && chan->span && chan->span->ops->echocan_name)
+ return chan->span->ops->echocan_name(chan);
+ else
+ return hwec_def_name;
+}
+
static int hwec_echocan_create(struct dahdi_chan *chan,
struct dahdi_echocanparams *ecp, struct dahdi_echocanparam *p,
struct dahdi_echocan_state **ec)
@@ -8910,7 +8922,7 @@
}
static const struct dahdi_echocan_factory hwec_factory = {
- .name = "HWEC",
+ .get_name = hwec_get_name,
.owner = THIS_MODULE,
.echocan_create = hwec_echocan_create,
};
Modified: linux/trunk/drivers/dahdi/dahdi_echocan_jpah.c
URL: http://svnview.digium.com/svn/dahdi/linux/trunk/drivers/dahdi/dahdi_echocan_jpah.c?view=diff&rev=9524&r1=9523&r2=9524
==============================================================================
--- linux/trunk/drivers/dahdi/dahdi_echocan_jpah.c (original)
+++ linux/trunk/drivers/dahdi/dahdi_echocan_jpah.c Thu Dec 9 14:19:26 2010
@@ -46,9 +46,11 @@
static void echo_can_free(struct dahdi_chan *chan, struct dahdi_echocan_state *ec);
static void echo_can_process(struct dahdi_echocan_state *ec, short *isig, const short *iref, u32 size);
static int echo_can_traintap(struct dahdi_echocan_state *ec, int pos, short val);
+static const char *name = "JPAH";
+static const char *ec_name(const struct dahdi_chan *chan) { return name; }
static const struct dahdi_echocan_factory my_factory = {
- .name = "JPAH",
+ .get_name = ec_name,
.owner = THIS_MODULE,
.echocan_create = echo_can_create,
};
@@ -124,7 +126,8 @@
return -EPERM;
}
- module_printk(KERN_NOTICE, "Registered echo canceler '%s'\n", my_factory.name);
+ module_printk(KERN_NOTICE, "Registered echo canceler '%s'\n",
+ my_factory.get_name(NULL));
return 0;
}
Modified: linux/trunk/drivers/dahdi/dahdi_echocan_kb1.c
URL: http://svnview.digium.com/svn/dahdi/linux/trunk/drivers/dahdi/dahdi_echocan_kb1.c?view=diff&rev=9524&r1=9523&r2=9524
==============================================================================
--- linux/trunk/drivers/dahdi/dahdi_echocan_kb1.c (original)
+++ linux/trunk/drivers/dahdi/dahdi_echocan_kb1.c Thu Dec 9 14:19:26 2010
@@ -148,9 +148,11 @@
static void echo_can_process(struct dahdi_echocan_state *ec, short *isig, const short *iref, u32 size);
static int echo_can_traintap(struct dahdi_echocan_state *ec, int pos, short val);
static void echocan_NLP_toggle(struct dahdi_echocan_state *ec, unsigned int enable);
+static const char *name = "KB1";
+static const char *ec_name(const struct dahdi_chan *chan) { return name; }
static const struct dahdi_echocan_factory my_factory = {
- .name = "KB1",
+ .get_name = ec_name,
.owner = THIS_MODULE,
.echocan_create = echo_can_create,
};
@@ -722,7 +724,8 @@
return -EPERM;
}
- module_printk(KERN_NOTICE, "Registered echo canceler '%s'\n", my_factory.name);
+ module_printk(KERN_NOTICE, "Registered echo canceler '%s'\n",
+ my_factory.get_name(NULL));
return 0;
}
Modified: linux/trunk/drivers/dahdi/dahdi_echocan_mg2.c
URL: http://svnview.digium.com/svn/dahdi/linux/trunk/drivers/dahdi/dahdi_echocan_mg2.c?view=diff&rev=9524&r1=9523&r2=9524
==============================================================================
--- linux/trunk/drivers/dahdi/dahdi_echocan_mg2.c (original)
+++ linux/trunk/drivers/dahdi/dahdi_echocan_mg2.c Thu Dec 9 14:19:26 2010
@@ -180,9 +180,11 @@
static void echo_can_process(struct dahdi_echocan_state *ec, short *isig, const short *iref, u32 size);
static int echo_can_traintap(struct dahdi_echocan_state *ec, int pos, short val);
static void echocan_NLP_toggle(struct dahdi_echocan_state *ec, unsigned int enable);
+static const char *name = "MG2";
+static const char *ec_name(const struct dahdi_chan *chan) { return name; }
static const struct dahdi_echocan_factory my_factory = {
- .name = "MG2",
+ .get_name = ec_name,
.owner = THIS_MODULE,
.echocan_create = echo_can_create,
};
@@ -869,7 +871,8 @@
return -EPERM;
}
- module_printk(KERN_NOTICE, "Registered echo canceler '%s'\n", my_factory.name);
+ module_printk(KERN_NOTICE, "Registered echo canceler '%s'\n",
+ my_factory.get_name(NULL));
return 0;
}
Modified: linux/trunk/drivers/dahdi/dahdi_echocan_oslec.c
URL: http://svnview.digium.com/svn/dahdi/linux/trunk/drivers/dahdi/dahdi_echocan_oslec.c?view=diff&rev=9524&r1=9523&r2=9524
==============================================================================
--- linux/trunk/drivers/dahdi/dahdi_echocan_oslec.c (original)
+++ linux/trunk/drivers/dahdi/dahdi_echocan_oslec.c Thu Dec 9 14:19:26 2010
@@ -47,9 +47,11 @@
static void echo_can_hpf_tx(struct dahdi_echocan_state *ec,
short *tx, u32 size);
#endif
+static const char *name = "OSLEC";
+static const char *ec_name(const struct dahdi_chan *chan) { return name; }
static const struct dahdi_echocan_factory my_factory = {
- .name = "OSLEC",
+ .get_name = ec_name,
.owner = THIS_MODULE,
.echocan_create = echo_can_create,
};
@@ -147,7 +149,8 @@
return -EPERM;
}
- module_printk(KERN_INFO, "Registered echo canceler '%s'\n", my_factory.name);
+ module_printk(KERN_INFO, "Registered echo canceler '%s'\n",
+ my_factory.get_name(NULL));
return 0;
}
Modified: linux/trunk/drivers/dahdi/dahdi_echocan_sec.c
URL: http://svnview.digium.com/svn/dahdi/linux/trunk/drivers/dahdi/dahdi_echocan_sec.c?view=diff&rev=9524&r1=9523&r2=9524
==============================================================================
--- linux/trunk/drivers/dahdi/dahdi_echocan_sec.c (original)
+++ linux/trunk/drivers/dahdi/dahdi_echocan_sec.c Thu Dec 9 14:19:26 2010
@@ -86,9 +86,11 @@
static void echo_can_process(struct dahdi_echocan_state *ec, short *isig, const short *iref, u32 size);
static int echo_can_traintap(struct dahdi_echocan_state *ec, int pos, short val);
static void echocan_NLP_toggle(struct dahdi_echocan_state *ec, unsigned int enable);
+static const char *name = "SEC";
+static const char *ec_name(const struct dahdi_chan *chan) { return name; }
static const struct dahdi_echocan_factory my_factory = {
- .name = "SEC",
+ .get_name = ec_name,
.owner = THIS_MODULE,
.echocan_create = echo_can_create,
};
@@ -335,7 +337,8 @@
return -EPERM;
}
- module_printk(KERN_NOTICE, "Registered echo canceler '%s'\n", my_factory.name);
+ module_printk(KERN_NOTICE, "Registered echo canceler '%s'\n",
+ my_factory.get_name(NULL));
return 0;
}
Modified: linux/trunk/drivers/dahdi/dahdi_echocan_sec2.c
URL: http://svnview.digium.com/svn/dahdi/linux/trunk/drivers/dahdi/dahdi_echocan_sec2.c?view=diff&rev=9524&r1=9523&r2=9524
==============================================================================
--- linux/trunk/drivers/dahdi/dahdi_echocan_sec2.c (original)
+++ linux/trunk/drivers/dahdi/dahdi_echocan_sec2.c Thu Dec 9 14:19:26 2010
@@ -81,9 +81,11 @@
static void echo_can_free(struct dahdi_chan *chan, struct dahdi_echocan_state *ec);
static void echo_can_process(struct dahdi_echocan_state *ec, short *isig, const short *iref, u32 size);
static int echo_can_traintap(struct dahdi_echocan_state *ec, int pos, short val);
+static const char *name = "SEC2";
+static const char *ec_name(const struct dahdi_chan *chan) { return name; }
static const struct dahdi_echocan_factory my_factory = {
- .name = "SEC2",
+ .get_name = ec_name,
.owner = THIS_MODULE,
.echocan_create = echo_can_create,
};
@@ -330,7 +332,8 @@
return -EPERM;
}
- module_printk(KERN_NOTICE, "Registered echo canceler '%s'\n", my_factory.name);
+ module_printk(KERN_NOTICE, "Registered echo canceler '%s'\n",
+ my_factory.get_name(NULL));
return 0;
}
Modified: linux/trunk/drivers/dahdi/wcb4xxp/base.c
URL: http://svnview.digium.com/svn/dahdi/linux/trunk/drivers/dahdi/wcb4xxp/base.c?view=diff&rev=9524&r1=9523&r2=9524
==============================================================================
--- linux/trunk/drivers/dahdi/wcb4xxp/base.c (original)
+++ linux/trunk/drivers/dahdi/wcb4xxp/base.c Thu Dec 9 14:19:26 2010
@@ -102,6 +102,10 @@
#define MAX_B4_CARDS 64
static struct b4xxp *cards[MAX_B4_CARDS];
+
+/* names of HWEC modules */
+static const char *lasvegas2_name = "LASVEGAS2";
+static const char *noec_name = "NONE";
static int led_fader_table[] = {
0, 0, 0, 1, 2, 3, 4, 6, 8, 9, 11, 13, 16, 18, 20, 22, 24,
@@ -2129,6 +2133,15 @@
}
}
+static const char *b4xxp_echocan_name(const struct dahdi_chan *chan)
+{
+ struct b4xxp_span *bspan = container_of(chan->span, struct b4xxp_span,
+ span);
+ if (bspan->parent->card_type == B410P)
+ return lasvegas2_name;
+ return noec_name;
+}
+
static int b4xxp_echocan_create(struct dahdi_chan *chan,
struct dahdi_echocanparams *ecp,
struct dahdi_echocanparam *p,
@@ -2370,6 +2383,7 @@
.ioctl = b4xxp_ioctl,
.hdlc_hard_xmit = b4xxp_hdlc_hard_xmit,
.echocan_create = b4xxp_echocan_create,
+ .echocan_name = b4xxp_echocan_name,
};
/* initialize the span/chan structures. Doesn't touch hardware, although the callbacks might. */
Modified: linux/trunk/drivers/dahdi/wct4xxp/base.c
URL: http://svnview.digium.com/svn/dahdi/linux/trunk/drivers/dahdi/wct4xxp/base.c?view=diff&rev=9524&r1=9523&r2=9524
==============================================================================
--- linux/trunk/drivers/dahdi/wct4xxp/base.c (original)
+++ linux/trunk/drivers/dahdi/wct4xxp/base.c Thu Dec 9 14:19:26 2010
@@ -236,6 +236,11 @@
#define CANARY 0xc0de
+/* names of available HWEC modules */
+static const char *vpm400_name = "VPM400M";
+static const char *vpmoct064_name = "VPMOCT064";
+static const char *vpmoct128_name = "VPMOCT128";
+static const char *noec_name = "NONE";
#define PORTS_PER_FRAMER 4
@@ -393,23 +398,13 @@
static void echocan_free(struct dahdi_chan *chan, struct dahdi_echocan_state *ec);
-static const struct dahdi_echocan_features vpm400m_ec_features = {
+static const struct dahdi_echocan_features vpm_ec_features = {
.NLP_automatic = 1,
.CED_tx_detect = 1,
.CED_rx_detect = 1,
};
-static const struct dahdi_echocan_features vpm450m_ec_features = {
- .NLP_automatic = 1,
- .CED_tx_detect = 1,
- .CED_rx_detect = 1,
-};
-
-static const struct dahdi_echocan_ops vpm400m_ec_ops = {
- .echocan_free = echocan_free,
-};
-
-static const struct dahdi_echocan_ops vpm450m_ec_ops = {
+static const struct dahdi_echocan_ops vpm_ec_ops = {
.echocan_free = echocan_free,
};
#endif
@@ -1279,6 +1274,21 @@
return unit;
}
+static const char *t4_echocan_name(const struct dahdi_chan *chan)
+{
+ struct t4 *wc = chan->pvt;
+ if (wc->vpm == T4_VPM_PRESENT) {
+ if (!wc->vpm450m)
+ return vpm400_name;
+ else
+ if (wc->numspans == 2)
+ return vpmoct064_name;
+ else if (wc->numspans == 4)
+ return vpmoct128_name;
+ }
+ return noec_name;
+}
+
static int t4_echocan_create(struct dahdi_chan *chan,
struct dahdi_echocanparams *ecp,
struct dahdi_echocanparam *p,
@@ -1296,18 +1306,13 @@
if (chan->span->offset >= vpmspans)
return -ENODEV;
- if (wc->vpm450m) {
- ops = &vpm450m_ec_ops;
- features = &vpm450m_ec_features;
- } else {
- ops = &vpm400m_ec_ops;
- features = &vpm400m_ec_features;
- }
+ ops = &vpm_ec_ops;
+ features = &vpm_ec_features;
if (ecp->param_count > 0) {
dev_warn(&wc->dev->dev, "%s echo canceller does not support "
"parameters; failing request\n",
- chan->ec_factory->name);
+ chan->ec_factory->get_name(chan));
return -EINVAL;
}
@@ -2082,6 +2087,7 @@
.dacs = t4_dacs,
#ifdef VPM_SUPPORT
.echocan_create = t4_echocan_create,
+ .echocan_name = t4_echocan_name,
#endif
};
Modified: linux/trunk/drivers/dahdi/wctdm24xxp/base.c
URL: http://svnview.digium.com/svn/dahdi/linux/trunk/drivers/dahdi/wctdm24xxp/base.c?view=diff&rev=9524&r1=9523&r2=9524
==============================================================================
--- linux/trunk/drivers/dahdi/wctdm24xxp/base.c (original)
+++ linux/trunk/drivers/dahdi/wctdm24xxp/base.c Thu Dec 9 14:19:26 2010
@@ -174,6 +174,11 @@
#define EC_SIZE_Q (sizeof(ectab) / 4)
#endif
+/* names of HWEC modules */
+static const char *vpm100m_name = "VPM100M";
+static const char *vpmadt032_name = "VPMADT032";
+static const char *noec_name = "NONE";
+
/* Undefine to enable Power alarm / Transistor debug -- note: do not
enable for normal operation! */
/* #define PAQ_DEBUG */
@@ -255,23 +260,13 @@
static void echocan_free(struct dahdi_chan *chan, struct dahdi_echocan_state *ec);
-static const struct dahdi_echocan_features vpm100m_ec_features = {
+static const struct dahdi_echocan_features vpm_ec_features = {
.NLP_automatic = 1,
.CED_tx_detect = 1,
.CED_rx_detect = 1,
};
-static const struct dahdi_echocan_features vpm150m_ec_features = {
- .NLP_automatic = 1,
- .CED_tx_detect = 1,
- .CED_rx_detect = 1,
-};
-
-static const struct dahdi_echocan_ops vpm100m_ec_ops = {
- .echocan_free = echocan_free,
-};
-
-static const struct dahdi_echocan_ops vpm150m_ec_ops = {
+static const struct dahdi_echocan_ops vpm_ec_ops = {
.echocan_free = echocan_free,
};
@@ -1963,6 +1958,16 @@
}
}
+static const char *wctdm_echocan_name(const struct dahdi_chan *chan)
+{
+ struct wctdm *wc = chan->pvt;
+ if (wc->vpm100)
+ return vpm100m_name;
+ else if (wc->vpmadt032)
+ return vpmadt032_name;
+ return noec_name;
+}
+
static int wctdm_echocan_create(struct dahdi_chan *chan,
struct dahdi_echocanparams *ecp,
struct dahdi_echocanparam *p,
@@ -1980,18 +1985,13 @@
if (!wc->vpm100 && !wc->vpmadt032)
return -ENODEV;
- if (wc->vpmadt032) {
- ops = &vpm150m_ec_ops;
- features = &vpm150m_ec_features;
- } else {
- ops = &vpm100m_ec_ops;
- features = &vpm100m_ec_features;
- }
+ ops = &vpm_ec_ops;
+ features = &vpm_ec_features;
if (wc->vpm100 && (ecp->param_count > 0)) {
dev_warn(&wc->vb.pdev->dev, "%s echo canceller does not "
"support parameters; failing request\n",
- chan->ec_factory->name);
+ chan->ec_factory->get_name(chan));
return -EINVAL;
}
@@ -3682,6 +3682,7 @@
.dacs = wctdm_dacs,
#ifdef VPM_SUPPORT
.echocan_create = wctdm_echocan_create,
+ .echocan_name = wctdm_echocan_name,
#endif
};
@@ -3697,6 +3698,7 @@
.dacs = wctdm_dacs,
#ifdef VPM_SUPPORT
.echocan_create = wctdm_echocan_create,
+ .echocan_name = wctdm_echocan_name,
#endif
};
Modified: linux/trunk/drivers/dahdi/wcte12xp/base.c
URL: http://svnview.digium.com/svn/dahdi/linux/trunk/drivers/dahdi/wcte12xp/base.c?view=diff&rev=9524&r1=9523&r2=9524
==============================================================================
--- linux/trunk/drivers/dahdi/wcte12xp/base.c (original)
+++ linux/trunk/drivers/dahdi/wcte12xp/base.c Thu Dec 9 14:19:26 2010
@@ -94,6 +94,10 @@
static const struct t1_desc te120p = {"Wildcard TE120P"};
static const struct t1_desc te122 = {"Wildcard TE122"};
static const struct t1_desc te121 = {"Wildcard TE121"};
+
+/* names of HWEC modules */
+static const char *vpmadt032_name = "VPMADT032";
+static const char *noec_name = "NONE";
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 20)
static kmem_cache_t *cmd_cache;
@@ -945,10 +949,9 @@
sizeof(wc->span.devicetype) - 1);
#if defined(VPM_SUPPORT)
- if (wc->vpmadt032) {
+ if (wc->vpmadt032)
strncat(wc->span.devicetype, " (VPMADT032)",
sizeof(wc->span.devicetype) - 1);
- }
#endif
}
@@ -1308,6 +1311,14 @@
return 0;
}
+static const char *t1xxp_echocan_name(const struct dahdi_chan *chan)
+{
+ struct t1 *wc = chan->pvt;
+ if (wc->vpmadt032)
+ return vpmadt032_name;
+ return noec_name;
+}
+
static int t1xxp_echocan_create(struct dahdi_chan *chan,
struct dahdi_echocanparams *ecp,
struct dahdi_echocanparam *p,
@@ -1537,6 +1548,7 @@
.ioctl = t1xxp_ioctl,
#ifdef VPM_SUPPORT
.echocan_create = t1xxp_echocan_create,
+ .echocan_name = t1xxp_echocan_name,
#endif
};
Modified: linux/trunk/include/dahdi/kernel.h
URL: http://svnview.digium.com/svn/dahdi/linux/trunk/include/dahdi/kernel.h?view=diff&rev=9524&r1=9523&r2=9524
==============================================================================
--- linux/trunk/include/dahdi/kernel.h (original)
+++ linux/trunk/include/dahdi/kernel.h Thu Dec 9 14:19:26 2010
@@ -268,8 +268,8 @@
/*! A factory for creating instances of software echo cancelers to be used on DAHDI channels. */
struct dahdi_echocan_factory {
- /*! The name of the factory. */
- const char *name;
+ /*! Get the name of the factory. */
+ const char *(*get_name)(const struct dahdi_chan *chan);
/*! Pointer to the module that owns this factory; the module's reference count will be
* incremented/decremented by the DAHDI core as needed.
@@ -851,6 +851,9 @@
struct dahdi_echocanparams *ecp,
struct dahdi_echocanparam *p,
struct dahdi_echocan_state **ec);
+
+ /*! Opt: Provide the name of the echo canceller on a channel */
+ const char *(*echocan_name)(const struct dahdi_chan *chan);
};
struct dahdi_span {
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