[Linuxptp-devel] [PATCH RFC 6/7] tlv: Add PHC index to PORT_PROPERTIES_NP.

[Miroslav L. <mli...@re...>]

This will allow phc2sys -a to use the correct PHC for synchronization if
ptp4l is using a virtual clock.

Signed-off-by: Miroslav Lichvar <mli...@re...>
---
 port.c | 1 +
 tlv.c  | 2 ++
 tlv.h  | 1 +
 3 files changed, 4 insertions(+)

diff --git a/port.c b/port.c
index 5a5741d..83aa452 100644
--- a/port.c
+++ b/port.c
@@ -956,6 +956,7 @@ static int port_management_fill_response(struct port *target,
 		else
 			ppn->port_state = target->state;
 		ppn->timestamping = target->timestamping;
+		ppn->phc_index = target->phc_index;
 		ts_label = interface_label(target->iface);
 		ptp_text_set(&ppn->interface, ts_label);
 		datalen = sizeof(*ppn) + ppn->interface.length;
diff --git a/tlv.c b/tlv.c
index cc8d507..5175694 100644
--- a/tlv.c
+++ b/tlv.c
@@ -316,6 +316,7 @@ static int mgt_post_recv(struct management_tlv *m, uint16_t data_len,
 			goto bad_length;
 		ppn = (struct port_properties_np *)m->data;
 		ppn->portIdentity.portNumber = ntohs(ppn->portIdentity.portNumber);
+		ppn->phc_index = ntohl(ppn->phc_index);
 		extra_len = sizeof(struct port_properties_np);
 		extra_len += ppn->interface.length;
 		break;
@@ -438,6 +439,7 @@ static void mgt_pre_send(struct management_tlv *m, struct tlv_extra *extra)
 	case MID_PORT_PROPERTIES_NP:
 		ppn = (struct port_properties_np *)m->data;
 		ppn->portIdentity.portNumber = htons(ppn->portIdentity.portNumber);
+		ppn->phc_index = htonl(ppn->phc_index);
 		break;
 	case MID_PORT_STATS_NP:
 		psn = (struct port_stats_np *)m->data;
diff --git a/tlv.h b/tlv.h
index 97615fd..0f6cf28 100644
--- a/tlv.h
+++ b/tlv.h
@@ -341,6 +341,7 @@ struct port_properties_np {
 	struct PortIdentity portIdentity;
 	uint8_t port_state;
 	uint8_t timestamping;
+	Integer32 phc_index;
 	struct PTPText interface;
 } PACKED;
 
-- 
2.33.1