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test output before fix:
DBGvpp# event-logger clear
DBGvpp# test log warn cli log test-log for-elog
cli/log [warn ]: test-log for-elog
DBGvpp# test log info cli log test-log for-elog
cli/log [info ]: test-log for-elog
DBGvpp# show event-logger
2 of 131072 events in buffer, logger running
53.022586433: log-notice: test-log for-elog
60.318329361: log-debug: test-log for-elog
DBGvpp#
test output after fix:
DBGvpp# event-logger clear
DBGvpp# test log warn cli log test-log for-elog
cli/log [warn ]: test-log for-elog
DBGvpp# test log info cli log test-log for-elog
cli/log [info ]: test-log for-elog
DBGvpp# show event-logger
2 of 131072 events in buffer, logger running
18.362721151: log-warn: test-log for-elog
25.124570555: log-info: test-log for-elog
DBGvpp#
Type: fix
Signed-off-by: luoyaozu <luoyaozu@foxmail.com>
Change-Id: Ie1122787f9efb611cdafc671b4ccf68b43984924
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Node renames, clone and node_by_name hash updates should be done
in vlib_node_register() / vlib_node_rename() under barrier, or
else runtime per-node stats can be either inaccurate or lead to UB.
Drop cli process nodes renaming rather than adding barrier
syncronization on reuse, nodes will get "unix-cli-process-ID"
stable names, description and terminal names are preserved and can
be obtained with "show cli-sessions" and "show terminal" commands.
Also fix insufficient name width for "show cli-sessions" with table
formatting, output sample:
DBGvpp# sh cli-sessions
PNI FD Name Flags
708 14 unix-cli-local:10558 iSLpa
710 15 unix-cli-127.0.0.1:33252 ISlpA
DBGvpp# sh terminal
Terminal name: unix-cli-127.0.0.1:33252
Terminal node: unix-cli-process-1
Terminal mode: char-by-char
Terminal width: 158
Terminal height: 43
ANSI capable: yes
Interactive: yes
History enabled: yes
History limit: 50
Pager enabled: yes
Pager limit: 100000
CRLF mode: CR+LF
Type: improvement
Signed-off-by: Vladislav Grishenko <themiron@yandex-team.ru>
Change-Id: I40af4c0a5e5be92d5e3ebcd440fa55390aeb0e8b
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Type: fix
Signed-off-by: Xiaoming Jiang <jiangxiaoming@outlook.com>
Change-Id: Idb34490199a78d5b0c1fe2382b6483a6e3a6fd1f
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Type: fix
Signed-off-by: Xiaoming Jiang <jiangxiaoming@outlook.com>
Change-Id: I2add6cb8dba837e47596983ec8303883aba3a138
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When using memory traces it can take a long time to display all traces
bigger than 1k if there are lots of them, especially as we need to
resolve symbols.
It is better to display only the 1st 50 by default, unless verbose is
used.
Also fix the help string.
Type: improvement
Change-Id: I1e5e30209f10d2b05c561dbf856cb126e0cf513d
Signed-off-by: Benoît Ganne <bganne@cisco.com>
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Type: fix
Signed-off-by: Xiaoming Jiang <jiangxiaoming@outlook.com>
Change-Id: Ib39aa345415720dd05a1b3e12e3e03eac43c5606
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Type: improvement
Change-Id: Id8ab75ef4384a1029ab7ee84048f347708307830
Signed-off-by: Damjan Marion <dmarion@me.com>
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vec_alloc_aligned() pre-allocates the vector memory but does not
update its size, making ASan unhappy when trying to access it.
Type: fix
Change-Id: I80e753cf2458cf516d1180a24cfaca4f382339d5
Signed-off-by: Benoît Ganne <bganne@cisco.com>
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The musl libc does not support closedir(0) resulting in a crash. Only
call closedir() if we successfully opened it.
Type: fix
Change-Id: I3198454f44735501047afc42b94b2fea273212f4
Signed-off-by: Benoît Ganne <bganne@cisco.com>
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Change-Id: I7888ab58abced93859ce15d0dbd1c3d7c94a02f5
Signed-off-by: Mohammed Hawari <mohammed@hawari.fr>
Type: fix
Fixes: 0654242d1ef51566f0d58445a16053cf376e5a6e
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These functions do not need modifiable strings.
It helps with linker sections as well as C++ compatibility.
It is a good style to use const where approriate.
Type: refactor
Signed-off-by: void234@gmail.com
Change-Id: Ib437a01663aa61860c6a938d869ed1111da71ec7
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Musl is stricter than glibc and has a warning that including fctnl.h and
poll.h should be prefered rather than their sys/ counterparts, which
breaks -Wall setups.
Type: fix
Signed-off-by: Guillaume Solignac <gsoligna@cisco.com>
Change-Id: Id101e999371951b0927cc8c4109f8f1536de1bc2
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Type: improvement
Change-Id: Ifea4badd58f7e2b5e792d7506f6747851a08587f
Signed-off-by: Benoît Ganne <bganne@cisco.com>
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This change was introduced to workaround a bug in the NAT code, but
we should not woraround plugin bugs in infra.
Type: fix
Fixes: f8631ce7e8886136b4543a7926ffdf1bc760fb11
Change-Id: Id6ee281cf1fe8466b6522905fc2a176716e3d52f
Signed-off-by: Benoît Ganne <bganne@cisco.com>
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Write time into /sys/boottime on VPP start.
This allows a stateless control plane agent to validate if it's reconnecting to the same
VPP instance.
Type: improvement
Signed-off-by: Ole Troan <ot@cisco.com>
Change-Id: Iba7f334339c46142045e43da6efab11612e7b9c0
Signed-off-by: Ole Troan <ot@cisco.com>
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otherwise the next time the counter is validated this is dangling.
Type: fix
Fixes: 58fd481d73
Signed-off-by: Neale Ranns <neale@graphiant.com>
Change-Id: Ifa8d5ff27175cf6dfb30cbf023fa3251fe5c780e
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Type: improvement
Change-Id: I3fbbda0378b72843ecd39a7e8592dedc9757793a
Signed-off-by: Damjan Marion <dmarion@me.com>
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When checking for CLIB_SANITIZE_ADDR to enable specific behavior for
AddressSanitizer, we must have vppinfra/clib.h included as it is defined
there.
Type: fix
Change-Id: I9060c3c29c1289d28596c215a1d1709b2ea7c84e
Signed-off-by: Benoît Ganne <bganne@cisco.com>
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Type: improvement
Change-Id: I2f3fab893a10b060f91b07ee17b8727d241830ea
Signed-off-by: Damjan Marion <dmarion@me.com>
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Free node frames in worker mains on refork. Otherwise these frames are
never returned to free pool and it causes massive memory leaks if
performed under traffic load
Type: fix
Signed-off-by: Dmitry Valter <d-valter@yandex-team.ru>
Change-Id: I15cbf024a3f4b4082445fd5e5aaa10bfcf77f363
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Fix integer overflow.
Type: fix
Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
Change-Id: I72de6f88be064f188204d0f6d3167a3a8d7de58d
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Using the error name makes it less explicit in the packet trace than
the error description when a packet is dropped. Example of the trace
when the TTL is <=1:
01:03:17:015278: drop
ip4-input: time_expired
We should have "ip4 ttl <= 1" instead of "time_expired"
Type: fix
Change-Id: Ic9decf10d609cc938e39d0f449359e41c406267e
Signed-off-by: Arthur de Kerhor <arthurdekerhor@gmail.com>
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This patch introduces DMA infrastructure into vlib. This is well known
that large amount of memory movements will drain core resource. Nowadays
more and more hardware accelerators were designed out for freeing core
from this burden. Meanwhile some restrictions still remained when
utilizing hardware accelerators, e.g. cross numa throughput will have a
significant drop compared to same node. Normally the number of hardware
accelerator instances will less than cores number, not to mention that
applications number will even beyond the number of cores. Some hardware
may support share virtual address with cores, while others are not.
Here we introduce new DMA infrastructure which can fulfill the
requirements of vpp applications like session and memif and in the
meantime dealing with hardware limitations.
Here is some design backgrounds:
Backend is the abstract of resource which allocated from DMA device
and can do some basic operations like configuration, DMA copy and
result query.
Config is the abstract of application DMA requirement. Application
need to request an unique config index from DMA infrastructure. This
unique config index is associated with backend resource. Two options
cpu fallback and barrier before last can be specified in config.
DMA transfer will be performed by CPU when backend is busy if cpu
fallback option is enabled. DMA transfer callback will be in order
if barrier before last option is enabled.
We constructs all the stuffs that DMA transfer request needed into
DMA batch. It contains the pattern of DMA descriptors and function
pointers for submission and callback. One DMA transfer request need
multiple times batch update and one time batch submission.
DMA backends will assigned to config's workers threads equally. Lock
will be used for thread-safety if same backends assigned to multiple
threads. Backend node will check all the pending requests in worker
thread and do callback with the pointer of DMA batch if transfer
completed. Application can utilize cookie in DMA batch for selves
usage.
DMA architecture:
+----------+ +----------+ +----------+ +----------+
| Config1 | | Config2 | | Config1 | | Config2 |
+----------+ +----------+ +----------+ +----------+
|| || || ||
+-------------------------+ +-------------------------+
| DMA polling thread A | | DMA polling thread B |
+-------------------------+ +-------------------------+
|| ||
+----------+ +----------+
| Backend1 | | Backend2 |
+----------+ +----------+
Type: feature
Signed-off-by: Marvin Liu <yong.liu@intel.com>
Change-Id: I1725e0c26687985aac29618c9abe4f5e0de08ebf
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Type: improvement
When trying to use a version string in a downstream build that appends a
timestamp to the standard version string, compiling fails because the
version string is too long for the version and version_required fields
in vlib_plugin_registration_t. Increase the size of those arrays from 32
to 64 chars.
Signed-off-by: Matthew Smith <mgsmith@netgate.com>
Change-Id: I3632139e5ae7110aa4769359f380ad29522ad4ed
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format returns a vector which must be free or memory is leaked.
From show memory
3716528 66716 0x7fffbfeb0db0 _vec_resize_internal + 0xe6
_vec_add + 0x164
do_percent + 0xb82
va_format + 0xb9
format + 0x156
vlib_register_errors + 0x76c
setup_tx_node + 0x5c
vnet_register_interface + 0xca6
vnet_eth_register_interface + 0xdd
memif_create_if + 0x975
memif_create_command_fn + 0x461
vlib_cli_dispatch_sub_commands + 0xec8
(gdb) list *(vlib_register_errors + 0x76c)
0x7ffff6e8280c is in vlib_register_errors (/home/sluong/vpp/vpp/src/vlib/error.c:224).
219
220 vec_validate (nm->node_by_error, n->error_heap_index + n_errors - 1);
221
222 for (u32 i = 0; i < n_errors; i++)
223 {
224 t.format = (char *) format (0, "%v %s: %%d", n->name, cd[i].name);
225 vm->error_elog_event_types[n->error_heap_index + i] = t;
226 nm->node_by_error[n->error_heap_index + i] = n->index;
227 }
Type: fix
Signed-off-by: Steven Luong <sluong@cisco.com>
Change-Id: I2983f081b7e2c1b2d18d66afe45282933efbe127
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This change implement a flavour of vlib_validate_buffer_enqueue_x1 with
aux data support
Change-Id: I2ecf7af49cf15ecd23b12d8acd57fe90546c1af7
Type: improvement
Signed-off-by: Mohammed Hawari <mohammed@hawari.fr>
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This change adds loops per second in the stats segment.
Applications using the stats segment to monitor VPP
can use this for better monitoring
Type: fix
Signed-off-by: Radha krishna Saragadam <krishna_srk2003@yahoo.com>
Change-Id: I53081f40ee918eec9763513a639b9d8a02488b20
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0 is not NULL (at least not in all cases), passing 0 into a variadic
function in a place where the consumer reads it as pointer might
leave parts of the pointer uninitilized and hence filled with random
data.
It seems that this used to work with gcc, but clang seems to treat the
0 in those places as a 32bit integer.
Type: fix
Signed-off-by: Ivan Shvedunov <ivan4th@gmail.com>
Signed-off-by: Andreas Schultz <andreas.schultz@travelping.com>
Change-Id: I37d975eef5a1ad98fbfb65ebe47d73458aafea00
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There is a very rare bug in NAT processing that yeilds a thread
index of ~0. When this happens, vlib_get_frame_queue_elt()
suffers a segfault and VPP quits. Prevent an outright fault
by dropping the packet instead.
Type: fix
Signed-off-by: Jon Loeliger <jdl@netgate.com>
Change-Id: I48c7a268925bb821ea15e58db5d4bfb211c40c09
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Change-Id: I0e1bb39d765ec3efa7b28ca02fb7beeb23607e51
Type: improvement
Signed-off-by: Mohammed Hawari <mohammed@hawari.fr>
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If ip4_neighbor_probe (or any other) is sending packet to a deleted interface,
ASSERT trips and dataplane crashes. Example:
create loopback interface instance 0
set interface ip address loop0 10.0.0.1/32
set interface state GigabitEthernet3/0/1 up
set interface state loop0 up
set interface state loop0 down
set interface ip address del loop0 10.0.0.1/32
delete loopback interface intfc loop0
set interface state GigabitEthernet3/0/1 down
set interface state GigabitEthernet3/0/1 up
comment { the following crashes VPP }
set interface state GigabitEthernet3/0/1 down
This sequence reliably crashes VPP:
(gdb)p n->name
$4 = (u8 *) 0x7fff82b47578 "interface-3-output-deleted”
If the interface doesn't exist, return ~0 and be tolerant of this in the
two call sites of counter_index()
Type: fix
Signed-off-by: Pim van Pelt <pim@ipng.nl>
Change-Id: I90ec58fc0d14b20c9822703fe914f2ce89acb18d
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Type: fix
reported stats seem to have mixed up used and total counters
Signed-off-by: Leland Krych <leland.krych@gmail.com>
Change-Id: I221c7b114c0da2ed53171d7f047a4bda07ee6cb2
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Allows features to update their data structures after change in number
of worker threads.
Type: improvement
Change-Id: Icd4d197e28608f5bbb1edd13eb624cd98e33cafe
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Type: improvement
Change-Id: I20b41537a249a55f01004e45392b34adaa8fd792
Signed-off-by: Mohammed Hawari <mohammed@hawari.fr>
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A node name is not bound to a node index. For example, if an interface
is deleted and re-added, the indexes of its nodes "<itfc_name>-tx"
and "<itfc_name>-output" may change. Thus, when the collector updates
the nodes stats, it should first delete all the symlinks for nodes that
have changed their names before adding new symlinks. Otherwise, it
could attempt to add already existing symlinks or delete valid ones.
Example of a series of command that triggers a crash in the assert
`ASSERT (node_data[i].symlinks[j] != CLIB_U32_MAX);`:
```
create loopback interface
create loopback interface
```
Wait for the nodes stats to update, then:
```
delete loopback interface intfc loop0
delete loopback interface intfc loop1
create loopback interface
create loopback interface
```
Type: fix
Change-Id: Ief8e7135e5c02dc6bc64dc94b76cff21ea9ab3a9
Signed-off-by: Arthur de Kerhor <arthurdekerhor@gmail.com>
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Type: improvement
Change-Id: I82e7c0acc547794bcc7c42f4b8881a8251bf7a9b
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Fixed at infra level.
Type: improvement
Change-Id: I43cf16870c1d2e12189073f7786d62375c46e2c2
Signed-off-by: Damjan Marion <damarion@cisco.com>
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This fixes long standing annoyance that CLIs with optional args cannot
be executed from file, as they cannot distinguish between valid optional
args and next line in the file.
Multiline statements can be provided simply by using backslash before \n.
Also comments are supported - everything after # is ignored up to the
end of the line.
Example:
# multiline cli using backslash
show version \
verbose # end of line comment
packet-generator new { \
name x \
limit 5 \
# comment inside cmultiline cli \
size 128-128 \
interface local0 \
node null-node \
data { \
incrementing 30 \
} \
}
Type: fix
Change-Id: Ia6d588169bae14e6e3f18effe94820d05ace1dbf
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Type: fix
Signed-off-by: Xiaoming Jiang <jiangxiaoming@outlook.com>
Change-Id: Id19a52df4f237cf5d85d305fdc279ab7df2d6f4b
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Type: improvement
Change-Id: Ifa9f908b24b5fe867826601d32eeb4f0d639fbeb
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Type: fix
Change-Id: I9cf9376f2813f7bceecc6a9d714dcb98df77615d
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Type: improvement
Change-Id: Ibdadeb4e685f45a93f45504a84709391489abb6a
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Type: improvement
Change-Id: I878803d14d1070ef5a00ed9d3f72022906d55191
Signed-off-by: Damjan Marion <damarion@cisco.com>
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In some environment like when running a lot of functional tests, it can
be useful to run more VPP instances than CPU and let the Linux scheduler
decide what to do. This change disable cpu pinning altogether in the
single-threaded case, provided that no main-core is explicitely
specified in the config
Type: improvement
Change-Id: I8c2f36fdd49c00f9adaaeb4c81aefb27c3420a9b
Signed-off-by: Benoît Ganne <bganne@cisco.com>
Signed-off-by: Mohammed Hawari <mohammed@hawari.fr>
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Type: improvement
Change-Id: I37c187af80c21b8fb1ab15af112527a837e0df9e
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Do not access allocated elements beyond the end of the vector. They are
allocated, but not yet valid both logically (they are at best NULLs) and
according to ASAN.
Type: fix
Change-Id: Iaf43767d6d3bd4c24c7c5a0ba9b3410bbeeb0556
Signed-off-by: Dmitry Valter <d-valter@yandex-team.ru>
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Type: improvement
Change-Id: Ie4cdc6d8906da3d1cd18a8f1d7076283546d3003
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Type: fix
Change-Id: I2562ae5833b542c29bcd5025a9a6756e5de95a42
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Type: fix
Change-Id: If4a7ac244832ef72d82c71b0277bc110b9500537
Signed-off-by: Stanislav Zaikin <zstaseg@gmail.com>
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Type: refactor
Change-Id: I5ca142ec1557d5b5c3806b43553ad9d3b5ea1112
Signed-off-by: Damjan Marion <damarion@cisco.com>
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