[PATCH v3 net-next 1/7] net: define receive timestamp filter for NTP
From: Miroslav Lichvar <hidden>
Date: 2017-05-16 12:44:41
Subsystem:
networking [general], socket timestamping, the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Willem de Bruijn, Linus Torvalds
Add HWTSTAMP_FILTER_NTP_ALL to the hwtstamp_rx_filters enum for timestamping of NTP packets. There is currently only one driver (phyter) that could support it directly. CC: Richard Cochran <richardcochran@gmail.com> CC: Willem de Bruijn <willemb@google.com> Signed-off-by: Miroslav Lichvar <redacted> --- include/uapi/linux/net_tstamp.h | 3 +++ net/core/dev_ioctl.c | 2 ++ 2 files changed, 5 insertions(+)
diff --git a/include/uapi/linux/net_tstamp.h b/include/uapi/linux/net_tstamp.h
index 464dcca..0749fb1 100644
--- a/include/uapi/linux/net_tstamp.h
+++ b/include/uapi/linux/net_tstamp.h@@ -125,6 +125,9 @@ enum hwtstamp_rx_filters { HWTSTAMP_FILTER_PTP_V2_SYNC, /* PTP v2/802.AS1, any layer, Delay_req packet */ HWTSTAMP_FILTER_PTP_V2_DELAY_REQ, + + /* NTP, UDP, all versions and packet modes */ + HWTSTAMP_FILTER_NTP_ALL, }; #endif /* _NET_TIMESTAMPING_H */
diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c
index b94b1d2..8f036a7 100644
--- a/net/core/dev_ioctl.c
+++ b/net/core/dev_ioctl.c@@ -227,6 +227,8 @@ static int net_hwtstamp_validate(struct ifreq *ifr) case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ: rx_filter_valid = 1; break; + case HWTSTAMP_FILTER_NTP_ALL: + break; } if (!tx_type_valid || !rx_filter_valid)
--
2.9.3