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selftests/net: timestamping: support binding PHC 

Support binding PHC of PTP vclock for timestamping.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yangbo Lu 2021-06-30 16:12:01 +08:00 committed by David S. Miller
parent d7c0882655
commit 2214d70324
1 changed files with 35 additions and 20 deletions
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55
tools/testing/selftests/net/timestamping.c
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@ -47,7 +47,7 @@ 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 +58,7 @@ 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 +312,6 @@ 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 +325,8 @@ 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 +344,12 @@ 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 +363,19 @@ 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 +394,10 @@ 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 +422,9 @@ 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 +456,9 @@ int main(int argc, char **argv)
&enabled, sizeof(enabled)) < 0)
bail("setsockopt SO_TIMESTAMPNS");
if (so_timestamping_flags &&
setsockopt(sock, SOL_SOCKET, SO_TIMESTAMPING,
&so_timestamping_flags,
sizeof(so_timestamping_flags)) < 0)
if (so_timestamping.flags &&
setsockopt(sock, SOL_SOCKET, SO_TIMESTAMPING, &so_timestamping,
sizeof(so_timestamping)) < 0)
bail("setsockopt SO_TIMESTAMPING");
/* request IP_PKTINFO for debugging purposes */
@ -468,14 +479,18 @@ 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 */