The number of ports is already available in the cached default data
set. Use it directly.
Signed-off-by: Richard Cochran <richardcoch...@gmail.com>
---
phc2sys.c | 2 +-
pmc_agent.c | 24 ++++++++----------------
pmc_agent.h | 11 ++++++++++-
3 files changed, 19 insertions(+), 18 deletions(-)
diff --git a/phc2sys.c b/phc2sys.c
index 5386cf4..16daa66 100644
--- a/phc2sys.c
+++ b/phc2sys.c
@@ -864,7 +864,7 @@ static int auto_init_ports(struct phc2sys_private *priv,
int add_rt)
}
}
- number_ports = run_pmc_get_number_ports(priv->node, 1000);
+ number_ports = pmc_agent_get_number_ports(priv->node);
if (number_ports <= 0) {
pr_err("failed to get number of ports");
return -1;
diff --git a/pmc_agent.c b/pmc_agent.c
index 4c5b18a..d3db975 100644
--- a/pmc_agent.c
+++ b/pmc_agent.c
@@ -229,22 +229,6 @@ int run_pmc_wait_sync(struct pmc_agent *node, int timeout)
}
}
-int run_pmc_get_number_ports(struct pmc_agent *node, int timeout)
-{
- struct ptp_message *msg;
- int res;
- struct defaultDS *dds;
-
- res = run_pmc(node, timeout, TLV_DEFAULT_DATA_SET, &msg);
- if (res <= 0)
- return res;
-
- dds = (struct defaultDS *) management_tlv_data(msg);
- res = dds->numberPorts;
- msg_put(msg);
- return res;
-}
-
void run_pmc_events(struct pmc_agent *node)
{
struct ptp_message *msg;
@@ -292,6 +276,14 @@ int pmc_agent_get_sync_offset(struct pmc_agent *agent)
return agent->sync_offset;
}
+int pmc_agent_get_number_ports(struct pmc_agent *node)
+{
+ if (!node->dds_valid) {
+ return -1;
+ }
+ return node->dds.numberPorts;
+}
+
int pmc_agent_query_dds(struct pmc_agent *node, int timeout)
{
struct ptp_message *msg;
diff --git a/pmc_agent.h b/pmc_agent.h
index 2bb3101..abe62f5 100644
--- a/pmc_agent.h
+++ b/pmc_agent.h
@@ -34,7 +34,6 @@ typedef int pmc_node_recv_subscribed_t(void *context, struct
ptp_message *msg,
int init_pmc_node(struct config *cfg, struct pmc_agent *agent, const char *uds,
pmc_node_recv_subscribed_t *recv_subscribed, void *context);
int run_pmc_wait_sync(struct pmc_agent *agent, int timeout);
-int run_pmc_get_number_ports(struct pmc_agent *agent, int timeout);
void run_pmc_events(struct pmc_agent *agent);
/**
@@ -56,6 +55,16 @@ void pmc_agent_destroy(struct pmc_agent *agent);
*/
int pmc_agent_get_leap(struct pmc_agent *agent);
+/**
+ * Gets the number of local ports from the default data set. Users
+ * should first call pmc_agent_query_dds() before invoking this
+ * function.
+ *
+ * @param agent Pointer to a PMC instance obtained via @ref
pmc_agent_create().
+ * @return The non-negative number of ports, or -1 if unknown.
+ */
+int pmc_agent_get_number_ports(struct pmc_agent *agent);
+
/**
* Gets the TAI-UTC offset.
* @param agent Pointer to a PMC instance obtained via @ref
pmc_agent_create().
--
2.20.1
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