From f47db66e090e8773d79c83cef04dccf308e385ce Mon Sep 17 00:00:00 2001
From: Florian Pose <fp@igh-essen.com>
Date: Tue, 21 Nov 2006 15:13:48 +0000
Subject: [PATCH] Introduced "starved" datagrams.
---
master/master.c | 8 +++++++-
master/master.h | 1 +
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/master/master.c b/master/master.c
index d2b95449..d23b03ef 100644
--- a/master/master.c
+++ b/master/master.c
@@ -129,6 +129,7 @@ int ec_master_init(ec_master_t *master, /**< EtherCAT master */
master->debug_level = 0;
master->stats.timeouts = 0;
+ master->stats.starved = 0;
master->stats.corrupted = 0;
master->stats.skipped = 0;
master->stats.unmatched = 0;
@@ -710,6 +711,11 @@ void ec_master_output_stats(ec_master_t *master /**< EtherCAT master */)
master->stats.timeouts == 1 ? "" : "s");
master->stats.timeouts = 0;
}
+ if (master->stats.starved) {
+ EC_WARN("%i datagram%s STARVED!\n", master->stats.starved,
+ master->stats.starved == 1 ? "" : "s");
+ master->stats.starved = 0;
+ }
if (master->stats.corrupted) {
EC_WARN("%i frame%s CORRUPTED!\n", master->stats.corrupted,
master->stats.corrupted == 1 ? "" : "s");
@@ -1438,7 +1444,7 @@ void ecrt_master_receive(ec_master_t *master /**< EtherCAT master */)
- datagram->cycles_queued > cycles_timeout) {
list_del_init(&datagram->queue);
datagram->state = EC_DATAGRAM_TIMED_OUT;
- master->stats.timeouts++;
+ master->stats.starved++;
ec_master_output_stats(master);
}
break;
diff --git a/master/master.h b/master/master.h
index a27154d5..e44318f5 100644
--- a/master/master.h
+++ b/master/master.h
@@ -75,6 +75,7 @@ ec_master_mode_t;
typedef struct
{
unsigned int timeouts; /**< datagram timeouts */
+ unsigned int starved; /**< starved datagrams (not even sent) */
unsigned int corrupted; /**< corrupted frames */
unsigned int skipped; /**< skipped datagrams (the ones that were
requeued when not yet received) */
--
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