diff options
| author | Matthew Fredrickson <creslin@digium.com> | 2010-07-02 18:58:32 +0000 |
|---|---|---|
| committer | Matthew Fredrickson <creslin@digium.com> | 2010-07-02 18:58:32 +0000 |
| commit | aec3808dd892e5a54dab502269e8b17b61f2017c (patch) | |
| tree | eea5e15b802178340548c99ecc20b3c44f7b8009 /drivers/dahdi/wct4xxp | |
| parent | 6895cb097ce32fffe7a8995fae3598b7864da59d (diff) | |
Add support for max_latency module parameter in wct4xxp
git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@8849 a0bf4364-ded3-4de4-8d8a-66a801d63aff
Diffstat (limited to 'drivers/dahdi/wct4xxp')
| -rw-r--r-- | drivers/dahdi/wct4xxp/base.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/dahdi/wct4xxp/base.c b/drivers/dahdi/wct4xxp/base.c index de20706..4ce3a40 100644 --- a/drivers/dahdi/wct4xxp/base.c +++ b/drivers/dahdi/wct4xxp/base.c @@ -77,6 +77,9 @@ #define DEBUG_RBS (1 << 5) #define DEBUG_FRAMER (1 << 6) +/* Maximum latency to be used with Gen 5 */ +#define GEN5_MAX_LATENCY 127 + #define T4_BASE_SIZE (DAHDI_MAX_CHUNKSIZE * 32 * 4) #ifdef ENABLE_WORKQUEUES @@ -176,6 +179,7 @@ static int alarmdebounce = 2500; /* LOF/LFA def to 2.5s AT&T TR54016*/ static int losalarmdebounce = 2500;/* LOS def to 2.5s AT&T TR54016*/ static int aisalarmdebounce = 2500;/* AIS(blue) def to 2.5s AT&T TR54016*/ static int yelalarmdebounce = 500;/* RAI(yellow) def to 0.5s AT&T devguide */ +static int max_latency = GEN5_MAX_LATENCY; /* Used to set a maximum latency (if you don't wish it to hard cap it at a certain value) in milliseconds */ static int extendedreset = 0; #ifdef VPM_SUPPORT static int vpmsupport = 1; @@ -3483,6 +3487,7 @@ DAHDI_IRQ_HANDLER(t4_interrupt_gen2) if ((rxident != expected) && !test_bit(T4_IGNORE_LATENCY, &wc->checkflag)) { int needed_latency; + int smallest_max; if (debug & DEBUG_MAIN) printk("!!! Missed interrupt. Expected ident of %d and got ident of %d\n", expected, rxident); @@ -3498,9 +3503,11 @@ DAHDI_IRQ_HANDLER(t4_interrupt_gen2) needed_latency += 1; - if (needed_latency >= 128) { - printk("Truncating latency request to 127 instead of %d\n", needed_latency); - needed_latency = 127; + smallest_max = (max_latency >= GEN5_MAX_LATENCY) ? GEN5_MAX_LATENCY : max_latency; + + if (needed_latency > smallest_max) { + printk("Truncating latency request to %d instead of %d\n", smallest_max, needed_latency); + needed_latency = smallest_max; } if (needed_latency > wc->numbufs) { @@ -4551,6 +4558,7 @@ module_param(alarmdebounce, int, 0600); module_param(losalarmdebounce, int, 0600); module_param(aisalarmdebounce, int, 0600); module_param(yelalarmdebounce, int, 0600); +module_param(max_latency, int, 0600); module_param(j1mode, int, 0600); module_param(sigmode, int, 0600); module_param(latency, int, 0600); |