Used to enumerate all ports. With the future dynamic port adding/removal,
there may be holes in the port number sequence. For now, just fill it with
the sequence numbers.
Signed-off-by: Jiri Benc <jb...@redhat.com>
---
clock.c | 16 ++++++++++++++++
tlv.c | 29 +++++++++++++++++++++++++++++
tlv.h | 6 ++++++
3 files changed, 51 insertions(+), 0 deletions(-)
diff --git a/clock.c b/clock.c
index 010262f522e3..2e7794cc07cd 100644
--- a/clock.c
+++ b/clock.c
@@ -381,6 +381,21 @@ static int clock_management_fill_response(struct clock *c,
datalen = sizeof(*gsn);
respond = 1;
break;
+ case PORT_ENUMERATION_NP:
+ {
+ struct port_enumeration_np *pen;
+ int i;
+
+ if (c->nports > 720)
+ break;
+ pen = (struct port_enumeration_np *)tlv->data;
+ pen->numberPorts = c->nports;
+ for (i = 0; i < c->nports; i++)
+ pen->portNumber[i] = i + 1;
+ datalen = sizeof(*pen) + pen->numberPorts *
sizeof(UInteger16);
+ respond = 1;
+ }
+ break;
}
if (respond) {
if (datalen % 2) {
@@ -1030,6 +1045,7 @@ int clock_manage(struct clock *c, struct port *p, struct
ptp_message *msg)
case TIME_STATUS_NP:
case GRANDMASTER_SETTINGS_NP:
case SUBSCRIBE_EVENTS_NP:
+ case PORT_ENUMERATION_NP:
clock_management_send_error(p, msg, NOT_SUPPORTED);
break;
default:
diff --git a/tlv.c b/tlv.c
index 352026ee5f7a..8d635c452905 100644
--- a/tlv.c
+++ b/tlv.c
@@ -252,6 +252,24 @@ static int mgt_post_recv(struct management_tlv *m,
uint16_t data_len,
sen->bitmask = ntohl(sen->bitmask);
}
break;
+ case PORT_ENUMERATION_NP:
+ {
+ struct port_enumeration_np *pen;
+ size_t expected_len;
+ int i;
+
+ if (data_len < sizeof(struct port_enumeration_np))
+ goto bad_length;
+ pen = (struct port_enumeration_np *)m->data;
+ pen->numberPorts = ntohs(pen->numberPorts);
+ expected_len = sizeof(struct port_enumeration_np) +
+ pen->numberPorts * sizeof(UInteger16);
+ if (data_len != expected_len)
+ goto bad_length;
+ for (i = 0; i < pen->numberPorts; i++)
+ pen->portNumber[i] = ntohs(pen->portNumber[i]);
+ }
+ break;
case SAVE_IN_NON_VOLATILE_STORAGE:
case RESET_NON_VOLATILE_STORAGE:
case INITIALIZE:
@@ -355,6 +373,17 @@ static void mgt_pre_send(struct management_tlv *m, struct
tlv_extra *extra)
sen->bitmask = htonl(sen->bitmask);
}
break;
+ case PORT_ENUMERATION_NP:
+ {
+ struct port_enumeration_np *pen;
+ int i;
+
+ pen = (struct port_enumeration_np *)m->data;
+ for (i = 0; i < pen->numberPorts; i++)
+ pen->portNumber[i] = htons(pen->portNumber[i]);
+ pen->numberPorts = htons(pen->numberPorts);
+ }
+ break;
}
}
diff --git a/tlv.h b/tlv.h
index 8eb840685a81..dffdabda7d09 100644
--- a/tlv.h
+++ b/tlv.h
@@ -80,6 +80,7 @@ enum management_action {
#define TIME_STATUS_NP 0xC000
#define GRANDMASTER_SETTINGS_NP 0xC001
#define SUBSCRIBE_EVENTS_NP 0xC003
+#define PORT_ENUMERATION_NP 0xC004
/* Port management ID values */
#define NULL_MANAGEMENT 0x0000
@@ -201,6 +202,11 @@ struct subscribe_events_np {
UInteger32 bitmask;
} PACKED;
+struct port_enumeration_np {
+ UInteger16 numberPorts;
+ UInteger16 portNumber[0];
+} PACKED;
+
enum clock_type {
CLOCK_TYPE_ORDINARY = 0x8000,
CLOCK_TYPE_BOUNDARY = 0x4000,
--
1.7.6.5
------------------------------------------------------------------------------
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