Devices can set this flag to ignore any incoming signaling messages
which request interval change.
Signed-off-by: Vedang Patel <vedang.pa...@intel.com>
---
config.c | 1 +
configs/automotive-slave.cfg | 1 +
configs/default.cfg | 1 +
port.c | 1 +
port_private.h | 2 ++
port_signaling.c | 4 ++++
ptp4l.8 | 4 ++++
7 files changed, 14 insertions(+)
diff --git a/config.c b/config.c
index 232131082b2e..6775f66d94c6 100644
--- a/config.c
+++ b/config.c
@@ -240,6 +240,7 @@ struct config_item config_tab[] = {
GLOB_ITEM_INT("gmCapable", 1, 0, 1),
GLOB_ITEM_ENU("hwts_filter", HWTS_FILTER_NORMAL, hwts_filter_enu),
PORT_ITEM_INT("hybrid_e2e", 0, 0, 1),
+ PORT_ITEM_INT("ignore_interval_update_req", 0, 0, 1),
PORT_ITEM_INT("ignore_source_id", 0, 0, 1),
PORT_ITEM_INT("ignore_transport_specific", 0, 0, 1),
PORT_ITEM_INT("ingressLatency", 0, INT_MIN, INT_MAX),
diff --git a/configs/automotive-slave.cfg b/configs/automotive-slave.cfg
index 94d45b640ae5..fc8d0c909acd 100644
--- a/configs/automotive-slave.cfg
+++ b/configs/automotive-slave.cfg
@@ -31,3 +31,4 @@ asCapable true
ignore_source_id 1
# Required to quickly correct Time Jumps in master
step_threshold 1
+ignore_interval_update_req 1
diff --git a/configs/default.cfg b/configs/default.cfg
index 3ee3a9b57fed..13b30de0c32a 100644
--- a/configs/default.cfg
+++ b/configs/default.cfg
@@ -36,6 +36,7 @@ asCapable auto
BMCA ptp
inhibit_announce 0
ignore_source_id 0
+ignore_interval_update_req 0
#
# Run time options
#
diff --git a/port.c b/port.c
index 015766103e05..81e340938fc9 100644
--- a/port.c
+++ b/port.c
@@ -1606,6 +1606,7 @@ int port_initialize(struct port *p)
p->logPdelayReqInterval = p->logMinPdelayReqInterval;
p->neighborPropDelayThresh = config_get_int(cfg, p->name,
"neighborPropDelayThresh");
p->min_neighbor_prop_delay = config_get_int(cfg, p->name,
"min_neighbor_prop_delay");
+ p->ignore_interval_update_req = config_get_int(cfg, p->name,
"ignore_interval_update_req");
if (config_get_int(cfg, p->name, "asCapable") == AS_CAPABLE_TRUE) {
p->asCapable = ALWAYS_CAPABLE;
diff --git a/port_private.h b/port_private.h
index b02137847e44..2182dd3a9151 100644
--- a/port_private.h
+++ b/port_private.h
@@ -145,6 +145,8 @@ struct port {
/* unicast service mode */
struct unicast_service *unicast_service;
int inhibit_multicast_service;
+ /* interval update timer */
+ int ignore_interval_update_req;
};
#define portnum(p) (p->portIdentity.portNumber)
diff --git a/port_signaling.c b/port_signaling.c
index 5bfb7584b999..d18318b20510 100644
--- a/port_signaling.c
+++ b/port_signaling.c
@@ -86,6 +86,10 @@ static int process_interval_request(struct port *p,
{
struct msg_interval_req_tlv *r;
+ if (p->ignore_interval_update_req) {
+ return 0;
+ }
+
r = (struct msg_interval_req_tlv *) extra->tlv;
if (r->subtype[2] != 2) {
diff --git a/ptp4l.8 b/ptp4l.8
index 99b085c148c9..c3e26fbbe32f 100644
--- a/ptp4l.8
+++ b/ptp4l.8
@@ -715,6 +715,10 @@ This will disable source port identity checking for Sync
and Follow_Up
messages. This is useful when the announce messages are disabled in the master
and the slave does not have any way to know it's identity. The default is 0
(disabled).
+.TP
+.B ignore_interval_update_req
+Ignore all the incoming signaling requests which request a change in Sync,
+Announce or Link delay intervals. The default is 0(requests are not ignored).
.SH UNICAST DISCOVERY OPTIONS
--
2.7.3
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