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Date: Tue, 15 Jun 2021 17:45:16 +0800
From: Yangbo Lu <yangbo.lu@....com>
To: netdev@...r.kernel.org
Cc: Yangbo Lu <yangbo.lu@....com>, linux-kernel@...r.kernel.org,
linux-kselftest@...r.kernel.org, mptcp@...ts.linux.dev,
Richard Cochran <richardcochran@...il.com>,
"David S . Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Mat Martineau <mathew.j.martineau@...ux.intel.com>,
Matthieu Baerts <matthieu.baerts@...sares.net>,
Shuah Khan <shuah@...nel.org>,
Michal Kubecek <mkubecek@...e.cz>,
Florian Fainelli <f.fainelli@...il.com>,
Andrew Lunn <andrew@...n.ch>, Rui Sousa <rui.sousa@....com>,
Sebastien Laveze <sebastien.laveze@....com>
Subject: [net-next, v3, 09/10] selftests/net: timestamping: support binding PHC
Support binding PHC of PTP vclock for timestamping.
Signed-off-by: Yangbo Lu <yangbo.lu@....com>
---
Changes for v3:
- Added this patch.
---
tools/testing/selftests/net/timestamping.c | 62 +++++++++++++++-------
1 file changed, 43 insertions(+), 19 deletions(-)
diff --git a/tools/testing/selftests/net/timestamping.c b/tools/testing/selftests/net/timestamping.c
index 21091be70688..abcbd7271187 100644
--- a/tools/testing/selftests/net/timestamping.c
+++ b/tools/testing/selftests/net/timestamping.c
@@ -43,11 +43,19 @@
# define SO_TIMESTAMPNS 35
#endif
+#ifndef SOF_TIMESTAMPING_BIND_PHC
+#define SOF_TIMESTAMPING_BIND_PHC (1<<15)
+struct so_timestamping {
+ int flags;
+ int bind_phc;
+};
+#endif
+
static void usage(const char *error)
{
if (error)
printf("invalid option: %s\n", error);
- printf("timestamping interface option*\n\n"
+ printf("timestamping <interface> [bind_phc_index] [option]*\n\n"
"Options:\n"
" IP_MULTICAST_LOOP - looping outgoing multicasts\n"
" SO_TIMESTAMP - normal software time stamping, ms resolution\n"
@@ -58,6 +66,7 @@ static void usage(const char *error)
" SOF_TIMESTAMPING_RX_SOFTWARE - software fallback for incoming packets\n"
" SOF_TIMESTAMPING_SOFTWARE - request reporting of software time stamps\n"
" SOF_TIMESTAMPING_RAW_HARDWARE - request reporting of raw HW time stamps\n"
+ " SOF_TIMESTAMPING_BIND_PHC - request to bind a PHC of PTP vclock\n"
" SIOCGSTAMP - check last socket time stamp\n"
" SIOCGSTAMPNS - more accurate socket time stamp\n"
" PTPV2 - use PTPv2 messages\n");
@@ -311,7 +320,6 @@ static void recvpacket(int sock, int recvmsg_flags,
int main(int argc, char **argv)
{
- int so_timestamping_flags = 0;
int so_timestamp = 0;
int so_timestampns = 0;
int siocgstamp = 0;
@@ -325,6 +333,8 @@ int main(int argc, char **argv)
struct ifreq device;
struct ifreq hwtstamp;
struct hwtstamp_config hwconfig, hwconfig_requested;
+ struct so_timestamping so_timestamping_get = { 0, -1 };
+ struct so_timestamping so_timestamping = { 0, -1 };
struct sockaddr_in addr;
struct ip_mreq imr;
struct in_addr iaddr;
@@ -342,7 +352,12 @@ int main(int argc, char **argv)
exit(1);
}
- for (i = 2; i < argc; i++) {
+ if (argc >= 3 && sscanf(argv[2], "%d", &so_timestamping.bind_phc) == 1)
+ val = 3;
+ else
+ val = 2;
+
+ for (i = val; i < argc; i++) {
if (!strcasecmp(argv[i], "SO_TIMESTAMP"))
so_timestamp = 1;
else if (!strcasecmp(argv[i], "SO_TIMESTAMPNS"))
@@ -356,17 +371,19 @@ int main(int argc, char **argv)
else if (!strcasecmp(argv[i], "PTPV2"))
ptpv2 = 1;
else if (!strcasecmp(argv[i], "SOF_TIMESTAMPING_TX_HARDWARE"))
- so_timestamping_flags |= SOF_TIMESTAMPING_TX_HARDWARE;
+ so_timestamping.flags |= SOF_TIMESTAMPING_TX_HARDWARE;
else if (!strcasecmp(argv[i], "SOF_TIMESTAMPING_TX_SOFTWARE"))
- so_timestamping_flags |= SOF_TIMESTAMPING_TX_SOFTWARE;
+ so_timestamping.flags |= SOF_TIMESTAMPING_TX_SOFTWARE;
else if (!strcasecmp(argv[i], "SOF_TIMESTAMPING_RX_HARDWARE"))
- so_timestamping_flags |= SOF_TIMESTAMPING_RX_HARDWARE;
+ so_timestamping.flags |= SOF_TIMESTAMPING_RX_HARDWARE;
else if (!strcasecmp(argv[i], "SOF_TIMESTAMPING_RX_SOFTWARE"))
- so_timestamping_flags |= SOF_TIMESTAMPING_RX_SOFTWARE;
+ so_timestamping.flags |= SOF_TIMESTAMPING_RX_SOFTWARE;
else if (!strcasecmp(argv[i], "SOF_TIMESTAMPING_SOFTWARE"))
- so_timestamping_flags |= SOF_TIMESTAMPING_SOFTWARE;
+ so_timestamping.flags |= SOF_TIMESTAMPING_SOFTWARE;
else if (!strcasecmp(argv[i], "SOF_TIMESTAMPING_RAW_HARDWARE"))
- so_timestamping_flags |= SOF_TIMESTAMPING_RAW_HARDWARE;
+ so_timestamping.flags |= SOF_TIMESTAMPING_RAW_HARDWARE;
+ else if (!strcasecmp(argv[i], "SOF_TIMESTAMPING_BIND_PHC"))
+ so_timestamping.flags |= SOF_TIMESTAMPING_BIND_PHC;
else
usage(argv[i]);
}
@@ -385,10 +402,10 @@ int main(int argc, char **argv)
hwtstamp.ifr_data = (void *)&hwconfig;
memset(&hwconfig, 0, sizeof(hwconfig));
hwconfig.tx_type =
- (so_timestamping_flags & SOF_TIMESTAMPING_TX_HARDWARE) ?
+ (so_timestamping.flags & SOF_TIMESTAMPING_TX_HARDWARE) ?
HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF;
hwconfig.rx_filter =
- (so_timestamping_flags & SOF_TIMESTAMPING_RX_HARDWARE) ?
+ (so_timestamping.flags & SOF_TIMESTAMPING_RX_HARDWARE) ?
ptpv2 ? HWTSTAMP_FILTER_PTP_V2_L4_SYNC :
HWTSTAMP_FILTER_PTP_V1_L4_SYNC : HWTSTAMP_FILTER_NONE;
hwconfig_requested = hwconfig;
@@ -413,6 +430,9 @@ int main(int argc, char **argv)
sizeof(struct sockaddr_in)) < 0)
bail("bind");
+ if (setsockopt(sock, SOL_SOCKET, SO_BINDTODEVICE, interface, if_len))
+ bail("bind device");
+
/* set multicast group for outgoing packets */
inet_aton("224.0.1.130", &iaddr); /* alternate PTP domain 1 */
addr.sin_addr = iaddr;
@@ -444,10 +464,10 @@ int main(int argc, char **argv)
&enabled, sizeof(enabled)) < 0)
bail("setsockopt SO_TIMESTAMPNS");
- if (so_timestamping_flags &&
+ if (so_timestamping.flags &&
setsockopt(sock, SOL_SOCKET, SO_TIMESTAMPING,
- &so_timestamping_flags,
- sizeof(so_timestamping_flags)) < 0)
+ &so_timestamping,
+ sizeof(so_timestamping)) < 0)
bail("setsockopt SO_TIMESTAMPING");
/* request IP_PKTINFO for debugging purposes */
@@ -468,14 +488,18 @@ int main(int argc, char **argv)
else
printf("SO_TIMESTAMPNS %d\n", val);
- if (getsockopt(sock, SOL_SOCKET, SO_TIMESTAMPING, &val, &len) < 0) {
+ len = sizeof(so_timestamping_get);
+ if (getsockopt(sock, SOL_SOCKET, SO_TIMESTAMPING, &so_timestamping_get,
+ &len) < 0) {
printf("%s: %s\n", "getsockopt SO_TIMESTAMPING",
strerror(errno));
} else {
- printf("SO_TIMESTAMPING %d\n", val);
- if (val != so_timestamping_flags)
- printf(" not the expected value %d\n",
- so_timestamping_flags);
+ printf("SO_TIMESTAMPING flags %d, bind phc %d\n",
+ so_timestamping_get.flags, so_timestamping_get.bind_phc);
+ if (so_timestamping_get.flags != so_timestamping.flags ||
+ so_timestamping_get.bind_phc != so_timestamping.bind_phc)
+ printf(" not expected, flags %d, bind phc %d\n",
+ so_timestamping.flags, so_timestamping.bind_phc);
}
/* send packets forever every five seconds */
--
2.25.1
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