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2022-08-17vlib: fix coverity 274750Andrew Yourtchenko1-1/+4
Add a missing null check. Type: fix Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com> Change-Id: Ie6234804e2b89adc918ef9075f9defbb1fd35e44
2022-05-19api: refactor api data storageDamjan Marion7-127/+87
single struct to hold all api handler, flags, etc. Provide functions to toggle flags instead of writing directly to internal data. Type: refactor Change-Id: I4730d7290e57489de8eda34a72211527e015b721 Signed-off-by: Damjan Marion <damarion@cisco.com>
2022-05-11api: revert the changes to atexit for shared memory clientAndrew Yourtchenko1-1/+1
2ca88ff97884ec9ed20a853b13cee6d86f9c9d0f introduced the change into the shared memory atexit, which breaks IPSec tests in some environments. Type: fix Fixes: 2ca88ff97884ec9ed20a853b13cee6d86f9c9d0f Change-Id: Ia132cb045e8d66f55e41d29cffdca3458d61096d Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
2022-05-02vapi: support api clients within vpp processOle Troan2-2/+103
Add vapi_connect_from_vpp() and vapi_disconnect_from_vpp() calls to allow API clients from within VPP process. Add a new memclnt_create version that gives the user a knob to enable or disable dead client scans (keepalive). Type: feature Signed-off-by: Ole Troan <ot@cisco.com> Change-Id: Id0b7bb89308db3a3aed2d3fcbedf4e1282dcd03f Signed-off-by: Ole Troan <ot@cisco.com>
2022-04-15api: fix infinite loop in show api dump CLIAndrew Yourtchenko1-1/+1
The following illustrates the problem: ./build-root/install-vpp_debug-native/vpp/bin/vpp api-trace { on } unix { cli-listen /tmp/vpp-api-cli.sock } plugins { plugin dpdk_plugin.so { disable } } sleep 5 ./build-root/install-vpp_debug-native/vpp/bin/vppctl -s /tmp/vpp-api-cli.sock show version ./build-root/install-vpp_debug-native/vpp/bin/vppctl -s /tmp/vpp-api-cli.sock show api dump file /tmp/api-table.master-api-baseline compare The last CLI hangs in an infinite loop. Fix the typo which got in during the conversion of _vec_len to read-only: .@@ -1285,7 +1285,7 @@ extract_name (u8 * s) . rv = vec_dup (s); . . while (vec_len (rv) && rv[vec_len (rv)] != '_') .- _vec_len (rv)--; .+ vec_dec_len (rv, 0); . Type: fix Fixes: 8bea589cfe0fca1a6f560e16ca66a4cf199041a2 Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com> Change-Id: I4f895348ae0ebaaba9da97c3a440912d38210f10
2022-04-05vppinfra: refactor address sanitizerDamjan Marion4-7/+7
Type: refactor Change-Id: I5ca142ec1557d5b5c3806b43553ad9d3b5ea1112 Signed-off-by: Damjan Marion <damarion@cisco.com>
2022-04-04vppinfra: make _vec_len() read-onlyDamjan Marion4-12/+12
Use of _vec_len() to set vector length breaks address sanitizer. Users should use vec_set_len(), vec_inc_len(), vec_dec_len () instead. Type: improvement Change-Id: I441ae948771eb21c23a61f3ff9163bdad74a2cb8 Signed-off-by: Damjan Marion <damarion@cisco.com>
2022-03-23api: better segregate client and server codeBenoît Ganne2-5/+144
- move memory and server specific vl_msg_api_handler_with_vm_node() to memory server code only - keep api_global_main static Apart from being cleaner, this also helps avoiding symbols conflict when both client and server libs are loaded in the same process, as is done by the prom plugin. Those symbols conflict confuse ASan and can be nasty to debug. Type: improvement Change-Id: Iaf58596cc753ad8d3fedd8d65c4bf480ac129c2c Signed-off-by: Benoît Ganne <bganne@cisco.com>
2022-03-16vpp: binary-api CLI weak linking workaroundDamjan Marion1-1/+1
For some unknown reason sometimes calling exec() ends up on weak exec() defined in src/vat/api_format.c which return -1 instead of using one few lines above. Another proof that use of weak symbols is bad idea. Luckily this can be easily workarounded. Type: fix Change-Id: Ic84e8525bff75c1b8186c233cd524aac4d95c8b5 Signed-off-by: Damjan Marion <damarion@cisco.com>
2022-03-04api: harden api trace parsingBenoît Ganne1-23/+22
- make sure we do not overflow - skip unknown messages if we can Type: fix Change-Id: I0efbe7376d9d78f6b0ec8018c0813400e6653698 Signed-off-by: Benoît Ganne <bganne@cisco.com>
2022-03-01vat2: include src/vlibmemory/vlib.api messagesDave Wallace1-0/+3
- cli_inband is missing from vat2 Type: improvement Change-Id: I1f22dee3ee29f3cf0f1f7c6076d5f2b2b2bf969d Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
2021-12-16api: Fix reaper functions for socket clientsNeale Ranns1-1/+2
Type: fix The pub_sub_handler() stores registrations key'd with the message's client_index (which is in network-order). The socket-client invokes the reaper function (to cleanup these registrations) using the pool index of the registration. hence the pub-sub registration is not removed. change the socket-client to pass the network-order client_index. This approach was chosen in preference to chaning the way the registrations are key'd since the memory-client also uses this registration, and correclty passes the client_index to the reaper. Signed-off-by: Neale Ranns <neale@graphiant.com> Change-Id: I6118555c8601149d05801f558e08bcc7aed4fc98
2021-12-14api: verify message size on receiptKlement Sekera4-31/+58
When a message is received, verify that it's sufficiently large to accomodate any VLAs within message. To do that, we need a way to calculate message size including any VLAs. This patch adds such funcionality to vppapigen and necessary C code to use those to validate message size on receipt. Drop messages which are malformed. Type: improvement Signed-off-by: Klement Sekera <ksekera@cisco.com> Change-Id: I2903aa21dee84be6822b064795ba314de46c18f4
2021-10-27api: fix buffer overflow in vl_msg_replay_jsonBenoît Ganne1-0/+4
cJSON_Parse() and vlib_cli_output() expect a NULL-terminated C-string. Type: fix Fixes: 36217e3ca8a1ca2e7a341b6b44ffc25e6497191c Change-Id: Id9819314fcd332c6076d1330b3433885fff07e36 Signed-off-by: Benoît Ganne <bganne@cisco.com>
2021-10-18interface: add api test fileFilip Tehlar5-64/+43
Type: improvement Signed-off-by: Filip Tehlar <ftehlar@cisco.com> Change-Id: Ib07029204ecf12bf2adb5a39afa54bc98fb81f34
2021-10-12api: cli coverity fixesFlorin Coras1-2/+2
Type: fix Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I515be7ea213250fe89a2b2be06f3636fe8f493a8
2021-10-11api: set missing handlersFilip Tehlar1-0/+3
Type: fix Signed-off-by: Filip Tehlar <ftehlar@cisco.com> Change-Id: I1fdefeaa4661c03e819b2f2f25762c633f9ab42c
2021-09-28api: API trace improvementsFilip Tehlar8-155/+485
Type: improvement * add support for JSON format in API trace * add ability to replay JSON API trace in both VPP and VAT2 * use CRC for backward compatibility check during JSON API replay * fix API trace CLI (and remove duplicits) * remove custom dump * remove vppapitrace.py * update docs accordingly Change-Id: I5294f68bebe6cbe738630f457f3a87720e06486b Signed-off-by: Filip Tehlar <ftehlar@cisco.com> Signed-off-by: Ole Troan <ot@cisco.com>
2021-09-28misc: vpe.api messages dynamically allocatedOle Troan2-1/+9
This is the last in the series of moving API messages from vpp/api/vpe.api to vlibmemory/memclnt.api. This patch makes the remaining vpe.api messages dynamic, to help VAT2 binary-api command. Moves the VAT test code to a separate file and removes the now unnused API meta files. Type: improvement Signed-off-by: Ole Troan <ot@cisco.com> Change-Id: I01dd78eaff1d3715dff17d2643bf0f7f0089935b Signed-off-by: Ole Troan <ot@cisco.com>
2021-09-27misc: api move continuedFlorin Coras3-0/+61
Move control ping and change dependencies from vpe.api_types to memclnt.api_types Type: refactor Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I9f8bc442e28738c48d64d1f6794082c8c4f5725b
2021-09-27misc: move part of vpe apis to vlibmemoryFlorin Coras5-601/+1674
VPE apis are actually vlib apis. This moves those that are not tightly coupled with vapi to vlib_api Type: refactor Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I456a64ce49a0cdeff4a0931c6ea513cb639f683e Signed-off-by: Ole Troan <ot@cisco.com>
2021-07-14api: fix memory error in multi-thread environmentXiaoming Jiang1-1/+7
When reading vm->pending_rpc_requests in main thread, the content may be changed by other workers. Type: fix Signed-off-by: Xiaoming Jiang <jiangxiaoming@outlook.com> Change-Id: I27e9d357b5ecec0f97cd8b950019b35f72fc5f76
2021-06-22api: asan: use vec_set_len() so ASan can keep track of buffer lenBenoît Ganne1-6/+6
ASan poison/unpoison vectors based on the vector length, but _vec_len() bypass ASan annotations, contrary to vec_set_len(). Type: fix Change-Id: I5265a5adcddef1aa11c77e0c3827346b1a66c306 Signed-off-by: Benoît Ganne <bganne@cisco.com>
2021-06-16api: remove custom dumpFilip Tehlar1-32/+3
Type: improvement Change-Id: I4b9b2be8817be10e46accc19219deb2b544f266b Signed-off-by: Filip Tehlar <ftehlar@cisco.com>
2021-05-26api: socket client connect set to blockingFlorin Coras1-1/+1
Binary api client must otherwise check the returned error and if it was EAGAIN/EINPROGRESS poll for connect completion. Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I89845b1a59b9fa2ab0968029435ceb203bfa8f6c
2021-03-26vlib: split vlib_main_t into global and per-threadDamjan Marion1-2/+3
Type: refactor Change-Id: I8b273bc3bf16aa360f031f1b2692f766e5fc4613 Signed-off-by: Damjan Marion <damarion@cisco.com>
2021-03-26vlib: introduce vlib_get_elog_main()Damjan Marion1-11/+16
Type: improvement Change-Id: I73383eb15186021cd6527d112da8443a0082f129 Signed-off-by: Damjan Marion <damarion@cisco.com>
2021-03-26vlib: introduce vlib_get_main_by_index(), vlib_get_n_threads()Damjan Marion1-2/+2
Type: improvement Change-Id: If3da7d4338470912f37ff1794620418d928fb77f Signed-off-by: Damjan Marion <damarion@cisco.com>
2021-03-19api: Avoid the usage of the freed registration by the API callsAndrew Yourtchenko1-23/+51
This issue happens if: - the API client connects via Unix socket - the client issues the *_dump API call and immediately disconnects What happens after is that the API handler keeps sending the *_details messages, however at some point the write fails, and the socket is deleted. The attempt of a use of the registration pointer results in interpreting the socket as a shared memory socket. This results in a crash, because the data in this structure then does not make sense, like the below: | |Thread 1 "vpp_main" received signal SIGSEGV, Segmentation fault. |__GI___pthread_mutex_lock (mutex=0x0) at ../nptl/pthread_mutex_lock.c:67 |67 ../nptl/pthread_mutex_lock.c: No such file or directory. |(gdb) bt |#0 __GI___pthread_mutex_lock (mutex=0x0) at ../nptl/pthread_mutex_lock.c:67 |#1 0x00007ffff500f957 in svm_queue_lock (q=0x0) at /home/ubuntu/vpp/src/svm/queue.c:101 |#2 svm_queue_add (q=0x0, elem=0x7fffa76c2de0 "\210\365\006\060\001", nowait=0) at /home/ubuntu/vpp/src/svm/queue.c:274 |#3 0x00007ffff6e131e3 in vl_api_send_msg (rp=<optimized out>, elem=<optimized out>) at /home/ubuntu/vpp/src/vlibmemory/api.h:43 |#4 send_sw_interface_details (am=<optimized out>, rp=<optimized out>, swif=0x7fffb957a0bc, interface_name=<optimized out>, context=<optimized out>) | at /home/ubuntu/vpp/src/vnet/interface_api.c:353 |#5 0x00007ffff6e0edeb in vl_api_sw_interface_dump_t_handler (mp=<optimized out>) at /home/ubuntu/vpp/src/vnet/interface_api.c:412 |#6 0x00007ffff7daeb48 in msg_handler_internal (am=<optimized out>, the_msg=0x7fffb839a5e0, trace_it=<optimized out>, do_it=1, free_it=0) | at /home/ubuntu/vpp/src/vlibapi/api_shared.c:501 |#7 vl_msg_api_socket_handler (the_msg=0x7fffb839a5e0) at /home/ubuntu/vpp/src/vlibapi/api_shared.c:790 |#8 0x00007ffff7d7c608 in vl_socket_process_api_msg (rp=<optimized out>, input_v=0x7fffa76c2de0 "\210\365\006\060\001") at /home/ubuntu/vpp/src/vlibmemory/socket_api.c:212 |#9 0x00007ffff7d89ff1 in vl_api_clnt_process (vm=<optimized out>, node=<optimized out>, f=<optimized out>) at /home/ubuntu/vpp/src/vlibmemory/vlib_api.c:405 |#10 0x00007ffff53bf9a7 in vlib_process_bootstrap (_a=<optimized out>) at /home/ubuntu/vpp/src/vlib/main.c:1490 |#11 0x00007ffff4da0b2c in clib_calljmp () from /home/ayourtch/vpp/build-root/install-vpp-native/vpp/lib/libvppinfra.so.21.06 |#12 0x00007fffa99a4d90 in ?? () |#13 0x00007ffff53b6cb2 in vlib_process_startup (vm=0x7ffff56a9880 <vlib_global_main>, p=0x7fffb5d41380, f=0x0) at /home/ubuntu/vpp/src/vlib/main.c:1515 |#14 dispatch_process (vm=0x7ffff56a9880 <vlib_global_main>, p=0x7fffb5d41380, f=0x0, last_time_stamp=<optimized out>) at /home/ubuntu/vpp/src/vlib/main.c:1571 |#15 0x0000000000000000 in ?? () |(gdb) frame 3 |#3 0x00007ffff6e131e3 in vl_api_send_msg (rp=<optimized out>, elem=<optimized out>) at /home/ubuntu/vpp/src/vlibmemory/api.h:43 |43 vl_msg_api_send_shmem (rp->vl_input_queue, (u8 *) & elem); |(gdb) l |38 { |39 vl_socket_api_send (rp, elem); |40 } |41 else |42 { |43 vl_msg_api_send_shmem (rp->vl_input_queue, (u8 *) & elem); |44 } |45 } |46 |47 always_inline int |(gdb) | The approach in this change is to avoid the closing operations "here and now", but instead mark the the registration as a zombie and place a forced RPC towards a callback that does the actual cleanup work. Forced RPC is handled via the API processing loop with barrier sync, so we are guaranteed not to have any API processing in-process. Type: fix Change-Id: I1972d42da620bdb4fd773c83262863c2781d9005 Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
2021-03-03api: fix crash when cf removedwanghanlin1-2/+16
cf may be removed when: 1. linux_epoll_input_inline process two EPOLLIN events, firstly a normal message, secondly reading 0 bytes because of socket client crash, then cf removed without clear message added to pending event data vectors before 2. clib_file_write called Type: fix Signed-off-by: wanghanlin <wanghanlin@corp.netease.com> Change-Id: I4523e9bb322e98357575925f3113f710d70dd679
2021-01-20vlib: fix build with muslNathan Moos1-0/+1
Type: fix When building with musl, some transitive includes from glibc are not present. This patch adds direct includes for the necessary types, and it also defines _GNU_SOURCE to ensure that the socket types are complete. Change-Id: Ic69c307b9515fec764c32906b5bc7f1fb34f2525 Signed-off-by: Nathan Moos <nmoos@cisco.com>
2020-12-28vlib: add missing file template descriptionsPaul Vinciguerra1-0/+2
Add descriptions to clib_file_t template structures so that sockets can be identified via the 'show unix file' cli command. Type: fix Change-Id: Ibf82d55aa6c7b1126bd252b76d0dc8b7076f5046 Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
2020-12-14misc: move to new pool_foreach macrosDamjan Marion3-13/+13
Type: refactor Change-Id: Ie67dc579e88132ddb1ee4a34cb69f96920101772 Signed-off-by: Damjan Marion <damarion@cisco.com>
2020-10-21svm: fix ASAN annotations for external chunksBenoît Ganne1-0/+5
Chunks can be allocated from another process. We need to manually mark them as accessible for ASAN. Type: fix Change-Id: Ifbeef3346e9cee2c1231f80cbcf7f9673b5b54be Signed-off-by: Benoît Ganne <bganne@cisco.com>
2020-09-30svm: harmonize ssvm namesFlorin Coras2-3/+3
Type: refactor Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I26e4ad6bfd9e0be7745f6ba948bf51550fd4215e
2020-08-18api: retry sending fd on EAGAINFlorin Coras1-1/+2
Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I04117636ad95b706e3dd9331f00bd80e57d26d7f
2020-07-19api: call api reaper callbacks for socket clientsDave Barach2-5/+7
Add a callback to clear the per-client packet trace buffer cache. Save the packet trace dump pg setup script. Type: improvement Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: I252be911b5f937ece0da5dca152263ece3d52963
2020-06-17docs: add more FEATURE.yaml documentationDave Barach1-0/+13
For src/tools/g2, src/vlibapi, and src/vlibmemory Type: docs Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: I800c3e3a1ecb011d5e692d78a015e78342706786
2020-05-27dhcp: vat support for the dhcp_client_dump APIDave Barach2-0/+12
Also: permanently solve ordering issues with the vpp builtin vat plugin loader, by explicitly loading vat plugins once we're sure that all data plane plugins have registered their APIs / API message handlers. Fix compilation / link errors when the vpp builtin vat plugin loader is disbled by cmake configuration. Type: fix Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: Id553c63ae860ebfc196c5ad4b55c19e08fec2c9e Signed-off-by: Ole Troan <ot@cisco.com>
2020-05-25api: add new stream message conventionOle Troan1-0/+22
Instead of having to wrap dump/detail calls in control ping, send details messages in between a normal reply / request pair. As expressed in the below service statement. Example: service { rpc map_domains_gets returns map_domains_get_reply stream map_domain_details; }; define map_domains_get { u32 client_index; u32 context; u32 cursor; }; define map_domains_get_reply { u32 context; i32 retval; u32 cursor; }; To avoid blocking the main thread for too long, the replies are now sent in client message queue size chunks. The reply message returns VNET_API_ERROR_EAGAIN when there is more to read. The API handler must also include a "cursor" that is used to the next call to the get function. API handler example: REPLY_AND_DETAILS_MACRO (VL_API_MAP_DOMAINS_GET_REPLY, mm->domains, ({ send_domain_details (cursor, rp, mp->context); })); The macro starts from cursor and iterates through the pool until vl_api_process_may_suspend() returns true or the iteration reaches the end of the list. Client Example: cursor = 0 d = [] while True: rv, details = map_domains_get(cursor=cursor) d += details if rv.retval == 0 or rv.retval != -165: break cursor = rv.cursor or the convenience iterator: for x in vpp.details_iter(vpp.api.map_domains_get): pass or list(details_iter(map_domains_get)) Change-Id: Iad9f6b41b0ef886adb584c97708dd91cf552749e Type: feature Signed-off-by: Ole Troan <ot@cisco.com>
2020-05-15misc: removed executable bits from source filesRay Kinsella1-0/+0
Identified and removed executable bit from source files in the tree. find . -perm 755 -name *.[ch] -exec chmod a-x {} \; Type: improvement Signed-off-by: Ray Kinsella <mdr@ashroe.eu> Change-Id: I00710d59fcc46ce5be5233109af4c8077daff74b
2020-05-12api: use malloc for rx thread arg instead of heapFlorin Coras1-2/+2
Type: fix Avoids issues if thread with non-zero __os_thread_index attaches to binary api. Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Ib981f12c867fdee7590391ec43128145bb1abce6
2020-04-22api: 'api trace' CLI consumes a line of inputNeale Ranns1-16/+22
Type: improvement allows the CLI command to be used from a config file Change-Id: Id9e7ad71b208317a65b1ed4065b0cb8777aee6ec Signed-off-by: Neale Ranns <nranns@cisco.com>
2020-04-22misc: asan: do not poison memory after munmap()Benoît Ganne1-5/+0
It is a bad idea to poison memory after munmap because the address space can be reused (eg. for global data of dlopen()ed object) and ASan model allows access by default. Moreover, access to a stale address space will fault. Type: fix Change-Id: I356de422f255447d9d50a3a71fb0c2eaa790d731 Signed-off-by: Benoît Ganne <bganne@cisco.com>
2020-02-12api: do not truncate api dump file sizeBenoît Ganne1-1/+1
Type: fix Change-Id: I5c81d2f55057f5fba780cb12154a3fb1aef79f20 Signed-off-by: Benoît Ganne <bganne@cisco.com>
2020-02-11misc: fix coverity warningsDave Barach1-2/+4
Type: fix Ticket: VPP-1837 Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: I6b1ea13fc83460bf4ee75cb9249d83dddaa64ded
2020-02-05api: fix vl_api_clnt_node process stack overflowChenmin Sun1-0/+1
Type: fix Some simple settings(e.g. bringing up an i40e/ice interface) through vnat consume more than the currently available stack space. This root cause of this issue is same with commit b2dbb36fc265b8996fc7fa310dda447d5b0479cb "vlib: fix startup-config \ -process stack overflow" and commit 2fd44a00aa26188ca75f0accd734f2 \ 1758c199bf "vlib: fix cli process stack overflow" Signed-off-by: Chenmin Sun <chenmin.sun@intel.com> Change-Id: I312e4fed96a679aa68b859e28a90a2a4b6eb0c6e
2020-01-23api: mark api_trace_command_fn thread-safeDave Barach1-1/+20
Binary API trace replay with multiple worker threads depends in many cases on worker thread graph replica maintenance. If we (implicitly) assert a worker thread barrier at the debug CLI level, all graph replica changes are deferred until the replay operation completes. If an interface is deleted, the wheels may fall off. Type: fix Ticket: VPP-1824 Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: I9b07d43f8501caa5519e5ff9ae4c19dc2661cc84
2019-12-17misc: address sanitizer: fix instrumentationBenoît Ganne1-0/+8
Type: fix Change-Id: I99e3951f8cfb7ab9d2f0a7dcee92199eab29043c Signed-off-by: Benoît Ganne <bganne@cisco.com>
2019-12-12vcl: fix disconnect from binary apiFlorin Coras1-1/+1
Type: fix Change-Id: I4398d26879b5efd932fa1d9ae232aa918ec736d6 Signed-off-by: Florin Coras <fcoras@cisco.com>