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Short version: Make vppctl behave as expected when run
from scripts, or without a controlling terminal, and
especially when using it with VPP commands on its
command line ("non-interactively").
In particular, prevent the welcome banner and VPP CLI
prompt from being sent by VPP when being used in these
ways.
vppctl
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- Improve vppctl's detection of non-interactive sessions.
- Pass non-interactiveness in the terminal type telnet option
as a value distinct from "dumb" (which means non-ANSI capable.)
- Make tty setup handling more robust.
- Only send non-interactive command once we've sent the
terminal type, to ensure correct event sequence; we need
the VPP cli session to be in line-by-line mode.
- Ignore stdin when it looks something like /dev/null.
- Skip NUL bytes received from VPP.
VPP CLI
-------
- Detect "non-interactive" terminal types and set session
parameters accordingly.
- Add an "interactive" flag that controls whether the welcome
banner and CLI prompt are sent.
- Detect if telnet options processing switched us into line
mode and act accordingly for the rest of the current input
buffer. This was causing the command string to be echoed
by the CLI editor code.
- For non-interactive sessions, send a NUL byte after the
input buffer has been processed. This is because vppctl
depends on seeing traffic before it will try to close the
session; a command with no output would cause it to hang.
NUL bytes are ignored by all decent terminals, but we have
vppctl strip them out anyway.
- Prevent certain commands from running in non-interactive
sessions since they manipulate interactive-related features.
- For interactive sessions, quench the prompt that prints on
VPP shutdown.
- Detect and handle socket errors in the CLI; sessions were
leaking.
- Pevent SIGPIPE from ever being raised; handle EPIPE instead.
We don't need VPP to die just because a socket closed just
before we try to write to it!
- Add a command to dump a list of current CLI sessions; mostly
this was to detect session leakage, but it may have some
general utility.
Change-Id: Ia147da013317180882c1d967b18eefb8519a55fb
Signed-off-by: Chris Luke <chrisy@flirble.org>
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When one starts VPP, types a command, presses up rather than enter,
then types a new command, unix_cli_line_process_one() segfaults.
This is due to cf->cursor not being reset upon pressing up if the
history is empty.
Change-Id: Ie503f20a9cb551e735abb8b0f4feb8c0006d2b61
Signed-off-by: Yoann Desmouceaux <ydesmouc@cisco.com>
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Fix dhcp_client_for_us() function to utilize rpc_call_main_thread
to call vlib_process_signal_event() to ensure proper handling
irrespective of it being called in main thread or worker thread.
Added ASSERT to vlib_process_sinal.. path to make sure it is called
in main thread.
Change-Id: I4109cc049d8e4225d896ce492ce201011dc9c911
Signed-off-by: John Lo <loj@cisco.com>
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177117: fstat() returns -1 on error; the code is
checking for any positive value instead
175142: final return could never be reached; simple
refactoring
175235,175236: Warning suppressed with an explicit
cast to (void)
174817: Final return couldn't be reached; is
is_in_order is 0 then 'rv' is already returned
above
172095,172093: If is_is_set does not get set to 1,
then return 0 has already been invoked
174405: Re-kill this (nothing sets rv)
171136: Looks like a cmd line flag to set test_bytes
was missing; added it, and refactored the
argc/argv processing to avoid two other
potential segv's
176813: Add range checking for term width/height.
First stab at a reasonable range is 1-512
for both.
175350: Fix implicit casting in shift operation
174272: Not a c+p error; try using a coverity
annotation to ignore it
174273,175320: Annotated FORWARD_NULL
Change-Id: I58d0f860fc2209f59f8d1b6b344d631b8d429ace
Signed-off-by: Chris Luke <chrisy@flirble.org>
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Use buffer pre_data and existing buffer trace trajectory code to
find out dpdk buffer leakages.
Change-Id: I26a5d8bd2f23d01cb6070ffc3ddcc6d3d863b575
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: Iff33694fc42cc3bcc73cf1372339053a6365039c
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Change-Id: Ie18580e05ec12291e7026f21ad874e088a712c8e
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Change-Id: I5a5dc0794d3398e749b64b07dfd1e2fc2230089b
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Support logging to both syslog and elog
Also include DaveB is_mp_safe fix, which had been lost
Change-Id: If82f7969e2f43c63c3fed5b1a0c7434c90c1f380
Signed-off-by: Colin Tregenza Dancer <ctd@metaswitch.com>
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This will allow us to use this code in client libraries without vlib.
Change-Id: I8557b752496841ba588aa36b6082cbe2cd1867fe
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Change-Id: I563c043ed82e3ef199fc3d47931108f31cc01728
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Change-Id: Id79d2c2be7a98e15416a537c890a8f2dd6d4464d
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Change-Id: I25238debb7081b4467aec4620dfdef33fbef3295
Signed-off-by: Chris Luke <chrisy@flirble.org>
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This patch adds supprot support for multiple numa-aware physmem regions.
Change-Id: I5c69a6f4da33c8ee21bdb8604d52fd2886f2327e
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Change-Id: Ibaa61b624eb6683b1be6901a7b29f5f73aad27b2
Signed-off-by: Pierre Pfister <ppfister@cisco.com>
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Change the rebuilding of worker thread clone datastructures
to run in parallel on the workers, instead of serially
on main.
Change-Id: Ib76bcfbef1e51f2399972090f4057be7aaa84e08
Signed-off-by: Colin Tregenza Dancer <ctd@metaswitch.com>
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non-root users should use /run/user/$PID/...
Change-Id: I1ca136df7a339eff193ed9c9a396d6965b192d0e
Signed-off-by: Damjan Marion <damarion@cisco.com>
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First attempt to make internal buffer manager thread safe was not
succesfull, so trying again. This time with more testing.
Change-Id: I01b8385a9c26d233934a3339255ea4bd31c865ac
Signed-off-by: Damjan Marion <damarion@cisco.com>
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- Remove frame handoff support machinery. We haven't used it in a long
time.
- Configuration support for the local endpoints bihash table
- Drop lookup failure packets in tcp46_syn_sent
Change-Id: Icd51e6785f74661c741e76fac23d21c4cc998d17
Signed-off-by: Dave Barach <dave@barachs.net>
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New startup config command:
unix {
runtime-dir /run/vpp
}
Also, adds recursive mkdir funtion for use in deifferent places
like cli-config socket path and dpdk hugepage directory path.
Change-Id: I1446ceab9c220c25804e73a743a3ebb383450124
Signed-off-by: Damjan Marion <damarion@cisco.com>
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- Fix tcp/udp sw checksum computation
- Fix allocation of multi buffer tcp segments for retransmits
- Send FIN only if/when tx fifo is empty
Change-Id: I2e43a14b87a72c9e547b4339b9a51811cf5732c4
Signed-off-by: Florin Coras <fcoras@cisco.com>
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- Make tcp output buffer allocation macro an inline function
- Use per ip version per thread tx frames for retransmits and timer
events
- Fix / parameterize tcp data structure preallocation
- Add a couple of gdb-callable show commands
- Fix local endpoint cleanup
Change-Id: I67b47b7570aa14cb4634b6fd93c57cd2eacbfa29
Signed-off-by: Florin Coras <fcoras@cisco.com>
Signed-off-by: Dave Barach <dave@barachs.net>
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Change-Id: I45845b952aa42a854e1c2c396b85f905de987020
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Change-Id: I6a5faebb63e9360cebfcfb1bc3f3c0eb6b15e937
Signed-off-by: JingLiuZTE <liu.jing5@zte.com.cn>
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- api-segment prefix not used when unlinking shm files
- unlink root region on exit if no clients referenced
- stale reference to freed segment name
- don't add fake client to /db unless CLIB_DEBUG > 2
- turn off the gmond plugin
- clean up unused vars in vpp/api
Change-Id: I66451fcfd6ee64a12466c2d6c209050e3cdb74b7
Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
Signed-off-by: Dave Barach <dave@barachs.net>
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To save space in the first cacheline following is changed:
- total_length_not_including_first_buffer moved to the 2nd cacheline.
This field is used only when VLIB_BUFFER_TOTAL_LENGTH_VALID and
VLIB_BUFFER_NEXT_PRESENT are both set.
- free_list_index is now stored in 4bits inside flags, which
allows up to 16 free lists. In case we need more we can store index
in the 2nd cachelin
Change-Id: Ic8521350819391af470d31d3fa1013e67ecb7681
Signed-off-by: Damjan Marion <damarion@cisco.com>
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In multi-threaded model (e.g. 1 main and 1 worker threads),
after an ethernet interface is deleted (e.g. vhost-user interface),
'show runtime' command produces garbled output and sometimes
leads to vpp crash.
The reason is because vlib_node_rename() frees and reallocates node's
'n->name' vector, however the change is not propagated into copies
of the node on worker threads.
Change-Id: Ibf22422913b7f2df22f70f3b2fe8dafd34c1dd06
Signed-off-by: Igor Mikhailov (imichail) <imichail@cisco.com>
(cherry picked from commit 02989064e4c26a4940a5292ba6c47023e6dd3131)
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- vnet_buffer_pool_create should probably be named
dpdk_buffer_pool_create since that is what it does.
- Its prototype should also be in a DPDK plugin header, not in
vlib/buffer_funcs.h, since the implementation is in the plugin
and nobody else should be calling it.
Change-Id: I7ba259afa4b888bc94f3ad257305e286b41e7370
Signed-off-by: Chris Luke <chrisy@flirble.org>
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Currently, buffer index is calculated as a offset to the physmem
region shifted by log2_cacheline size.
When DPDK is used we "hack" physmem data with information taken from
dpdk mempool. This makes physmem code not usable with DPDK.
This change makes buffer memory start and size independent of physmem
basically allowing physmem to be used when DPDK plugin is loaded.
Change-Id: Ieb399d398f147583b9baab467152a352d58c9c31
Signed-off-by: Damjan Marion <damarion@cisco.com>
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- PCI devices not properly discovered
- vlib_pci_bus_master_enable () not working
Change-Id: I7433ab1b19b890b8900635b43037b9a2017a1921
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Change https://gerrit.fd.io/r/#/c/7230/ added a Unix domain
CLI socket in the default startup.conf; however unless you
had previously run VPP with the DPDK plugin enabled the
directory that it is created in. /run/vpp, would not exist
and startup would fail. This directory is typically hosted
in a tmpfs ramdisk and is thus ephemeral.
This patch adds a function that attempts to mkdir VPP_RUN_DIR
and uses it in both the DPDK plugin and the CLI code if the
CLI socket is to be created in that directory.
Change-Id: Ibbf925819099dce2b5eb0fa238b9edca1036d6fd
Signed-off-by: Chris Luke <chrisy@flirble.org>
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Spotted in the output of CLI command "show buffers", the name field
sometimes had trailing garbage, the hall sign of a string not being
terminated. In this case it was being inconsistently used as a cstring
or a vec.
- CLI printf needs %v to print the vec srring
- vlib_buffer_create_free_list_helper tried to use
clib_mem_is_heap_object() to detect a vec object, wheras it should
use clib_mem_is_vec()
Change-Id: Ib8b242a0c5a18924b8af7e8e1432784eebcf572c
Signed-off-by: Chris Luke <chrisy@flirble.org>
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traffic (VPP-892)
When stacking DPOs the VLIB graph is also updated to add the edge between the nodes, if this edge does not yet exist. This addition should be done with the workers stopped.
Change-Id: I327e4d7d26f0b23eb280f17e4619ff2093ff7940
Signed-off-by: Neale Ranns <nranns@cisco.com>
(cherry picked from commit c02bd03ddf5eec9e9c79811360685f13e4ba8ee1)
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Change-Id: I36bb47faea55a6fea7af7ee58d87d8f6dd28f93d
Signed-off-by: Dave Barach <dave@barachs.net>
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Also allow group write as default for CLI socket connections.
Change-Id: I6af1f277f70581358cd9241bf0f5cb0752fe250f
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Change-Id: Icf9bd4abda058fb380f1a25d5fe3917ffb38b1c4
Signed-off-by: Damjan Marion <damarion@cisco.com>
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- refactor existing congestion control code (RFC 6582/5681). Handling of ack
feedback now consists of: ack parsing, cc event detection, event handling,
congestion control update
- extend sack scoreboard to support sack based retransmissions
- basic implementation of Eifel detection algorithm (RFC 3522) for
detecting spurious retransmissions
- actually initialize the per-thread frame freelist hash tables
- increase worker stack size to 2mb
- fix session queue node out-of-buffer handling
- ensure that the local buffer cache vec_len matches reality
- avoid 2x spurious event requeues when short of buffers
- count out-of-buffer events
- make the builtin server thread-safe
- fix bihash template threading issue: need to paint -1 across uninitialized
working_copy_length vector elements (via rebase from master)
Change-Id: I646cb9f1add9a67d08f4a87badbcb117980ebfc4
Signed-off-by: Florin Coras <fcoras@cisco.com>
Signed-off-by: Dave Barach <dbarach@cisco.com>
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The main interior graph-node dispatch loop had a longstanding dangling
vector element reference:
for (i = 0; i < _vec_len (nm->pending_frames); i++)
cpu_time_now = dispatch_pending_node (vm, nm->pending_frames + i,
cpu_time_now);
Passing a pointer to a vector element (nm->pending_frames + i) has
considerable comedic potential if there's any chance that the vector
could expand.
dispatch_pending_node() calls dispatch_node(), and indirectly any
interior graph node dispatch function. If that node happens to expand
nm->pending_frames by filling in a new frame, nm->pending_frames can
expand.
After calling the node dispatch function, dispatch_node() does the
following:
nf = vec_elt_at_index (nm->next_frames, p->next_frame_index);
If nm->pending_frames expands during dispatch function execution, p is
a dangling reference to freed memory.
By luck, the TCP stack managed to allocate a fresh frame which
included "old-p," which caused p->next_frame_index to be filled with
the new-frame poison pattern 0xfefefefe.
This has been broken from day 1, summer 2007, first use of the
third-generation vector processing library.
Change-Id: Ideb6363bb060c4e8bf9b901882c318bd83853121
Signed-off-by: Dave Barach <dave@barachs.net>
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Change-Id: Ia78e69e5e8ed18020314aef321b94ac37037799b
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Change-Id: I9eca5f9d1c1ae62d5ba5fb36f2f97434dbaf334e
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Change-Id: I262e455792fd95d286ee3ebc0049e2352ae5899f
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Change-Id: I051d015e7eee621dbef273b2c57449ea4c44b768
Signed-off-by: Yoann Desmouceaux <ydesmouc@cisco.com>
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Hitting tab:
- in the middle of a uniquely defined subcommand will expand the subcommand
- in the middle of a non-uniquely defined (or empty) subcommand will display
all possible subcommands, and possibly expand to the lowest common prefix
Change-Id: Ib858eefdb0353cd2c3aad472799d15cd537455a0
Signed-off-by: Yoann Desmouceaux <ydesmouc@cisco.com>
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and add adaptive mode support to receive queue
- Migrate vhost to use device infra which does the interface/queue to worker
thread assignment.
- Retire vhost thread CLI and corresponding code which assigns interface/queue
to worker thread. set interface placement should be used instead to customize
the interface/queue to worker thread assignment.
- Retire vhost interrupt/polling option when creating vhost-user interface.
Instead, set interface rx-mode should be used.
- Add code in vnet_device_input_unassign_thread to change the node state
to interrupt if the last polling interface has left the worker thread for the
device of the corresponding interface/queue.
- Add adaptive mode support. The node state is set to interrupt initially.
When the scheduler detects a burst of traffic, it switches the input node to
polling. Then we inform the device that we don't need interrupt notification.
When the traffic subsides, the scheduler switches the input node back to
interrupt. Then we immediately tell the driver that we want interrupt
notification again.
- Remove some duplicate code in vlib/main.c
Change-Id: Id19bb1b9e50e6521c6464f470f5825c26924d3a8
Signed-off-by: Steven <sluong@cisco.com>
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Off by default. Enable via cmdline "... vlib { elog-post-mortem-dump }
..."
Change-Id: I2056b9de9b37475f2bfeeb5404da838f1b42645a
Signed-off-by: Dave Barach <dave@barachs.net>
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Change-Id: I82c663bc0866c6c68ba354104b0bb059387f4b9d
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Change-Id: I9664214652229b663c3e3ba7406b4ede96bfb123
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Change-Id: I739bed5b9d9504d18ee88206e29ebc4ba1b47d28
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Change-Id: Ibe55e4399c6b78d83268d7c49ed498cab7bfdb43
Signed-off-by: Filip Tehlar <ftehlar@cisco.com>
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This happens mainly if plugin contains unresolved symbol.
Such situation typically leads on crash a bit later so it is better
to exit immediatelly and display meaningful error message.
Change-Id: I4abd9a9089a4863400bf609e8d3fd7cebab92913
Signed-off-by: Damjan Marion <damarion@cisco.com>
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