Because our interfaces include UNIX domain sockets, we are using
UNIX_PATH_MAX of 108 bytes for our interface names. Even though
IF_NAMESIZE is much smaller (16 bytes), there is nothing that
guarantees this. This patch adds a compile time sanity check that
tests whether the interface name will fit.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
When parsing the argument, the minimum value should be -DBL_MAX instead
of DBL_MIN, which is the smallest positive value.
Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
When the clock device or phc index changed, the new phc device may have
different maximum adjustment. So we need to create a new clkid and servo
in clock_reinit().
At the same time, we should not only do clock_reinit() when the new state
is PS_MASTER. We also need to reinit clock after a failover in slave mode(
the new state is PS_SLAVE). We can do clock_reinit() even in PS_FAULTY so
we can finish adjust offset before come back to PS_LISTENING. So I removed
the check and let's do clock_reinit() whenever there is a new state.
And for servo reset, as Miroslav suggested, we will do it in these cases:
- the system clock is the new destination (master state)
- a PHC is the new destination (master state)
- a PHC is switched (in any state)
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Now the ts label will be either the bond active slave or the interface
name, which is the exactly interface we need to get ts info.
When the link down/up or there is a fail over and ts_label changed, the
phc index may also changed. So we need to check get new ts info and check
clock_required_modes. We will set the link to LINK_DOWN by force if
the new ts_label's timestamp do not support required mode.
If all good, then we set phc index to new one. Also sync clock interval
after switch phc.
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Separate required_modes setting from clock_create so we can obtain the
required time stamping flags from other place.
Add enum timestamping in struct clock to store the time stamping mode.
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Besides link up and down, we may also receive other rtnl messages, like
bond slave changed info, which link state keeps the same.
So we should return EV_FAULT_CLEARED only when both LINK_UP and
LINK_STATE_CHANGED.
When the link state keep the same, we should return EV_NONE.
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Update function rtnl_link_status to get bond slave info. Pass the slave index
to call back functions. i.e. port_link_status.
Also check the interface index of rtnl message in function rtnl_link_status.
Then we don't need to check it in port_link_status.
Add ifndef IFLA_BOND_MAX in case we build linuxptp on kernel before v3.13-rc1.
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
The previous function use general message and will dump all interfaces'
information. Now update with ifinfomsg so we could get specific interface's
information.
We still could get all interfaces' info if set device to NULL.
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
When the master clock changed its state and then changed it back to the
original state before phc2sys could process the first change, e.g. SLAVE
-> UNCALIBRATED -> SLAVE after a clockcheck failure, the second change
was ignored because the new value was the same as the original state,
which wasn't updated for the first change yet. This caused phc2sys to be
stuck with a wrong state.
Fix phc2sys to check both the state and new_state variables of the clock.
Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
Now that we test the UTC flags in clock_update_slave(), the similar
code in clock_utc_correct() is redundant.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
When acting as a slave, we accept the foreign master's advertised
TAI-UTC offset for as long as that master is present. However, when
the master disappears, we fall back to the initial offset value. As a
result of this behavior, when starting with an out of date initial
offset, losing a foreign master causes a sudden UTC offset error (in
phc2sys for example) in the range of whole seconds.
This patch fixes the issue by remembering the UTC offset when assuming
the slave role.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
The clock code uses two different variables to store the TAI-UTC
offset. One variable represents the compile time, configuration file,
or command line initial UTC offset, while the other is used when
taking on the GM role and is settable at run time. However, making
this distinction makes no sense. This patch simplifies and clarifies
the code by using a single variable for the offset.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
The current implementation of ptp4l always assumes 6 octets MAC
address, which is correct for Ethernet interfaces but not for IPoIB
interfaces (that have 20 octets MAC), therefore running ptp4l over
IPoIB interface does not function correctly.
In Infiniband, every interface has three identifiers:
GUID, GID, and LID.
The GUID is similar in concept to a MAC address. From RFC4392:
The EUI-64 portion of a GID is referred to as the Global Unique
Identifier (GUID) and is the only persistent identifier of a port.
Therefore, to support IPoIB interfaces, the GUID of the port should
be used instead of the MAC.
This patch checks the interface type before creating the clock identity,
for Infiniband ports, it retrieves the GUID of the port using sysfs
and use it to create the clock identity.
sysfs method was chosen since the GUID is the 6 lsb bytes of
the 20 byte device address, and SIOCGIFHWADDR ioctl call returns
the 14 msb bytes of the device address, so it is not possible to
get the GUID using SIOCGIFHWADDR ioctl call.
[ RC: fixed trivial coding style error, space after switch keyword. ]
Signed-off-by: Feras Daoud <ferasda@mellanox.com>
Reviewed-by: Alex Vesker <valex@mellanox.com>
With rtnl socket we can track link status per port(except UDS port).
We can make sure we get the correct interface and latest status with function
port_link_status().
At the same time we need to set clock sde after link down. But we return
EV_FAULT_DETECTED in port_event(), which will not set clock sde. So we need
to set it in port_link_status().
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Unfortunately uClinux is rather inconsistent with respect to
clock_nanosleep(). Older versions of uclibc lack that function, while
newer versions may include the declaration but still lack the
definition, depending on whether pthreads are selected in the
configuration.
This patch works around uClinux shortcomings by using the library call
when available at compile time, otherwise falling back to syscall().
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
If handle unknown management tlv. The management message id and format are
also unknown, thus we may crash due to access unknown area.
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
TLV_PRIORITY1 and TLV_PRIORITY2 cases in do_set_action() use the same repeated
piece of generic code for setting one-value parameter. Remove the duplicated
code and let both cases use the same code.
Signed-off-by: Petr Kulhavy <brain@jikos.cz>
The calls to snprintf() to format /dev/phc%d use the wrong pattern.
That function always properly terminates the string with null.
However, the code passes a hard coded length of 31 to static arrays of
length 32. While this is not a bug, there are two issues here.
First, any (improbable) future increase in the array lengths would
have to also remember to fix up the snprintf() call site as well.
Secondly, the pattern of using buf[N] and then length=N-1 is
appropriate for strncpy(), but is useless for snprintf().
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Reported-by: Petr Kulhavy <brain@jikos.cz>
On some platforms clock_adjtime is defined in timex.h instead of time.h
Due to this fact the detection in incdefs.h was failing.
Add timex.h into the list of searched files.
Signed-off-by: Petr Kulhavy <brain@jikos.cz>
On some platforms like br-arm-cortex-a9-musl struct ethhdr was defined twice
due to including of both linux/if_ether.h and netinet/ether.h. Which lead
to a compilation error.
Remove netinet/ether.h as the official header for struct ethhdr is
linux/if_ether.h
Signed-off-by: Petr Kulhavy <brain@jikos.cz>
Fixes the following build errors seen with musl-libc:
In file included from print.h:25:0,
from linreg.c:24:
util.h:364:32: error: unknown type name 'time_t'
int rate_limited(int interval, time_t *last);
Signed-off-by: Stephen Walker <stephendwalker+github@gmail.com>
[florian: extract patch from OpenWrt, add commit message]
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
If the len is not enought for another tlv process. e.g. one more bytes
padding at the end of message. And we set extra to NULL instead of
msg->last_tlv in tlv_post_recv(). Then the msg->last_tlv will not be
initialised. And program will crash if we read msg->last_tlv. e.g. in
function pmc_show().
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
netdb.h pulls in a large chain of include files:
rpc/netdb.h
rpc/types.h
rpc/types.h re-defines TRUE/FALSE and does it in this way:
#ifndef FALSE
# define FALSE (0)
#endif
#ifndef TRUE
# define TRUE (1)
#endif
And this later causes build problems that appear in this way:
mipsel-linux-gnu-gcc -Wall -DVER=1.8 -D_GNU_SOURCE -DHAVE_CLOCK_ADJTIME
-DHAVE_POSIX_SPAWN -DHAVE_ONESTEP_SYNC -Os -pipe -mno-branch-likely
-mips32r2 -mtune=24kc -fno-caller-saves -Wno-unused-result
-D_FORTIFY_SOURCE=1 -Wl,-z,now -Wl,-z,relro
-I/home/florian/dev/openwrt/trunk/staging_dir/target-mipsel-unknown-linux-gnu_glibc/usr/include
-I/home/florian/dev/openwrt/trunk/staging_dir/target-mipsel-unknown-linux-gnu_glibc/include
-I/home/florian/dev/toolchains/stbgcc-4.8-1.5/usr/include
-I/home/florian/dev/toolchains/stbgcc-4.8-1.5/include
-DHAVE_CLOCK_ADJTIME -DHAVE_POSIX_SPAWN -DHAVE_ONESTEP_SYNC -c -o
udp.o udp.c
In file included from
/home/florian/dev/openwrt/trunk/staging_dir/target-mipsel-unknown-linux-gnu_glibc/usr/include/rpc/netdb.h:45:0,
from
/home/florian/dev/toolchains/stbgcc-4.8-1.5/mipsel-linux-gnu/sys-root/usr/include/netdb.h:32,
from udp.c:23:
pdt.h:25:7: error: expected identifier before '(' token
enum {FALSE, TRUE};
^
<builtin>: recipe for target 'udp.o' failed
Upon inspection, it does not appear that netdb.h is providing any useful
definition or declaration, so let's just remove its inclusion.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
After a servo jump, the call to tsproc_reset() clears tsp->t3. This
causes the next call to tsproc_update_offset() to fail. However the
offset calculation does not necessarily depend on t3, i.e. when
filtered_delay is available and neither raw nor weighting is used.
This patch fixes the issue by allowing the stored filtered delay to be
used when appropriate.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Reported-by: Burkhard Ilsen <burkhardilsen@gmail.com>
The time stamp processor features four modes resulting from the
combination of two independent Boolean options. Even though we have a
proper enumerated type to represent the mode, still the code coverts
the mode into two variables.
The tests on the variables are currently simple enough, but soon we
will want to add some more complexity. In the interest of clarity,
this patch converts the paired Boolean tests into a switch/case
pattern.
No functional change.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
We will want to test whether a valid filtered delay value has been
calculated or not. However, we cannot simply test for zero since that is
a legitimate possible delay value. This patch adds a flag that reflects
the state of the filtered delay field.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
The sequence of port_nrate_calculate() and tsproc_update_delay()
in port_peer_delay() is mixed up.
The peer delay depends on the nrate ratio so the nrate ratio
shall be updated before peer delay is calculated.
Signed-off-by: Burkhard Ilsen <burkhardilsen@gmail.com>
The servo constructors might return a NULL pointer.
The function servo_create() uses servo without checks.
Signed-off-by: Burkhard Ilsen <burkhardilsen@gmail.com>
When ptp4l is using multiple interfaces sharing the same clock, phc2sys
in the automatic mode should not try to synchronize them to each other.
Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
Reported-by: Stefan Lange <s.lange@gateware.de>
Having one fewer port may affect the result of the BMCA. This patch
changes the main loop so that a link down event also causes a state
decision event.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Reported-by: Henry Jesuiter <Henry.Jesuiter@alcnetworx.de>
This global function used to return an error code, but now it always
returns zero. This patch converts the function signature to return void
and simplifies the main clock loop by removing the useless test.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
When an interface doesn't support HW time stamping, before falling back
to SW time stamping, check if it's actually supported and exit with an
error message if not.
Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
Richard Cochran
Hangbin Liu
Miroslav Lichvar
Feras Daoud
Cliff Spradlin via Linuxptp-devel
Brian Olson
Petr Kulhavy
Stephen Walker
Florian Fainelli
Burkhard Ilsen