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2020-04-29vlib: add ASSERT to vlib_time_now(...)Dave Barach3-2/+10
Calling vlib_time_now (&vlib_global_main) from a worker thread is a bad mistake. ASSERT (vm->thread_index == __os_thread_index) will catch it. Type: fix Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: I55af6de84e06143f8f43adc62103b77267a7a441 (cherry picked from commit 77d98382824ca211fb55fcf842931930ccfb3baa)
2020-04-13dhcp: fix unicast pkts, clean up state machineDave Barach8-276/+442
Nominally a bug-fix cherry-pick, but completely manual. Closer to a full feature backport minus binary api changes. Send dhcp unicast packets to ip4-lookup. Otherwise, these packets won't reach a dhcp server on a different subnet. Do an immediate client scan after processing wakeup events. Calculate the next process wakeup time by scanning all clients. Increase maximum (idle, no-clients-configured) timeout to 1000 seconds. Reduce log spew. Type: fix Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: I3d10cd4c353298ed0b19e7e30887dc1d8d07b19e (cherry picked from commit c54162981cdd41d65ed283df36955007552ddffe)
2020-04-13ping: fix buffer allocator error handlingDave Barach1-0/+2
The code sets f->n_vectors = n_to_send, but it can bail out of the loop if vlib_buffer_copy(...) returns 0. Need to fix f->n_vectors in the error return path, or we enqueue some number of 0xfefefefe buffer indices in a debug image or worse in a production image. Type: fix Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: I2d886266006c6c1c2f9ef8e3b95eb46ac6c0b3df (cherry picked from commit 8324c55f95dd5ddbf1f5f9c47907204a12e152ef)
2020-04-13l2: handle complete clone fail in l2_floodDave Barach2-4/+10
vlib_buffer_clone(...) may not manage to produce any buffer clones at all. vlib_buffer_clone_256 should not smash the original buffer reference count if no clones are produced. Type: fix Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: I14d9d53637a220485c7a0036cfc75a4149b264ea (cherry picked from commit 95e19253320ab07748787f4c8a7620704563f6b8)
2020-04-10misc: check return values from vlib_buffer_copy(...)Dave Barach8-4/+30
vlib_buffer_copy(...) returns NULL if the system is temporarily out of buffers. This is NOT correct. Please don't be this person: c0 = vlib_buffer_copy (vm, p0); ci0 = vlib_get_buffer_index (vm, c0); Type: fix Signed-off-by: Dave Barach <dave@barachs.net> (cherry picked from commit c25ef58965871ea5d2b40904df9506803f69e47e) Change-Id: I6cd4f289c4fadc3f36c3203b53546e9a788ef99b
2020-04-07docs: pin down sphinx to avoid crash with Sphinx 3.0.0Andrew Yourtchenko1-1/+1
Using requirements.txt did not work, just specify the version in the pip install within the makefile. For the master and stable/2001, see change Id98c0f94104e455ea819aacec62f605e53db13ce Change-Id: I1f6ff53d8d52dc8bad42041932421fc12d7ddebf Type: fix Signed-off-by: Aloys Augustin <aloaugus@cisco.com> Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
2020-04-05virtio: vhost checksum problem for ipv6Steven Luong1-3/+3
When checksum is enable for IPv6, it erroneously set the flag VNET_BUFFER_F_OFFLOAD_IP_CKSUM. That flag is meant for ip4 packets only. Type: fix Ticket: VPP-1857 Signed-off-by: Steven Luong <sluong@cisco.com> Change-Id: Id03b2937bfa34e2a9b50a36aafe0700bad7fb95e
2020-04-01api: ipsec: add missing IS_INBOUND flagChristian Hopps2-0/+6
External IKE daemons need to be able to flag an SA as inbound (just as the included ike plugin does). This commit adds this flag to the API. This change is backward bug-compatible as not setting the flag (old clients) continues to mean all SAs are created as outbound and fib nodes are created for them. The addition of this flag inhibits this forwarding node creation as well as properly flagging the SA as inbound. Ticket: VPP-1845 Type: fix Signed-off-by: Christian Hopps <chopps@labn.net> Change-Id: Ifa6fd664587380aa53e95d0e4eb2e1a4b1df7909
2020-04-01misc: fix ip6_neighbor_cmdDave Barach1-10/+0
The option parsing loop had "break" statements included in each 'if (unformat (line_input, "this-option ...") option_values=xxx;' statement. Result: the code would silently ignore all but the first option. Probably broken forever, not easy to spot because the code looks OK even though it's badly broken. Manual cherrypick: the function name has changed, the code has moved to a different file, and the MAINTAINERS file entry doesn't exist in 19.08. Type: fix Signed-off-by: Dave Barach <dave@barachs.net> (cherry picked from commit 7249b90ab21c20138907e692dcb6032aea9e2f0f) Change-Id: Ie06bb083645302848a19ecc9ad2934927de01f62
2020-03-30vppinfra: fix typo in dlmalloc.cDave Barach1-1/+1
Type: fix Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: Idc567717494b4c40c307f20a40d5e10cd26b0a46 (cherry picked from commit 6e6968f06435727e6887abef4669715c9e59de6b)
2020-03-30vppinfra: correct fixed pool header size calculationDave Barach1-3/+1
Remove duplicate space allocation for the pool header. Not significant w/ CLIB_CACHE_LINE_BYTES >= 64 since the code rounds the size of the pool header to an even multiple of the cache line size. Type: fix Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: I923f2a60e7565cf2dfbc18d78264bf82ff30c926 (cherry picked from commit 6e495ce428e110665ee9616e0951015963502cac)
2020-03-29papi: fix socket sendall callsVratko Polak1-4/+6
No point in checking the return value, as .sendall() raises on error (and the previous check was missing "not"). Type: fix Change-Id: I9e07709ddd7093f91ffef87808abbab264b8aa5a Signed-off-by: Vratko Polak <vrpolak@cisco.com> (cherry picked from commit 8921dc675458b238fc03c5aed53d3462bcdbdb3c)
2020-03-27vppinfra: manual cherrypick timebase fixesDave Barach3-56/+150
Gerrit Headline ------ -------- 25729 fix corner cases in tw_timer_expire 25763 improve timebase resilience 25837 remove time jump workaround Automatic cherry-picking failed miserably. Type: fix Ticket: VPP-1852 Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: I460effb2b5f4f19ae4548ef01ca3726b7412bd7f
2020-03-27virtio: fix link up/down flagMohsin Kazmi1-3/+9
Type: fix "set int state <interface> down" puts the virtio device link down. It will not put the link in "UP" state, when "set int state <interface up>" will be used again to change the interface admin up. This patch fixes it. To test: create tap set int state tap0 up set int state tap0 down sh hardware sh int set int state tap0 up sh int sh hardware Change-Id: I3c0e31539f8a2a1e40220e7fb57eedecf408f067 Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com> (cherry picked from commit 529f0e97b6064039c500adce0d54b738954b2ffa)
2020-03-27virtio: fix the out of order descriptors in txMohsin Kazmi4-8/+103
Type: fix Some vhost-backends give used descriptors back in out-of-order. This patch fixes the native virtio to handle out-of-order descriptors. Change-Id: I74ba03a2111dc601be4396c0fa800c33db5554b4 Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com> (cherry picked from commit 7f6d145accc6e63b150ab4efc282f19cbe996b57)
2020-03-10rdma: fix bug related to ring bufferElias Rudberg1-2/+2
Fix a bug that caused some input packets to be dropped due to errors of the type 'ip4 length > l2 length'. The change is related to the second call to the rdma_device_input_bufs() function that happens when the end of the ring buffer is reached. Type: fix Change-Id: I332d69ab22242b3443a0baca6e5dd86349a54765 Signed-off-by: Elias Rudberg <elias.rudberg@bahnhof.net> (cherry picked from commit e5ecf3ea4b456afb710f4ed903cd7e4c1ae87859)
2020-03-09mpls: adjust mpls-frag size to account for mpls headerJohn Lo1-1/+1
Type: fix Signed-off-by: John Lo <loj@cisco.com> Change-Id: I0b3042317c58c5a4d64d82b16f62e70f0461e578
2020-03-04tap: misc fixesMohsin Kazmi4-49/+64
Ticket: VPPSUPP-58 1) Previously, host mtu can't be set if tap interface is in namespace. 2) generate the host mac address, if it is not provided. 3) fix the parameters for tap_create_v2 in vat. 4) fix the pretty print of parameters for tap_create_v2 in custom dump. Type: fix Change-Id: I18898af90dbd37d773a40b6535dd9c03c9984679 Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
2020-02-29dpdk: TSO does not work for Cisco VICSteven Luong1-0/+11
While TSO is supported for Intel NIC, Cisco VIC does not work. The problem is due to txmode offloads is not properly set for the Cisco VIC when enable-tcp-udp-checksum is configured. Type: fix Ticket: VPP-1838 Signed-off-by: Steven Luong <sluong@cisco.com> Change-Id: I72c41db9b327ed8d08ef70d74e8cc6206d4a102f
2020-02-27avf: Handle chain buffer in TX properlySteven Luong2-7/+140
For chain buffer, need to traverse b->next_buffer to transmit all buffers in the chain. Only set EOP at the last descriptor in the chain to signal this is a chain descriptor. Introduce slow path to handle ring wrap. This is needed because chain buffer may consist of multiple pieces and it may span from near the end of the ring to the beginning of the ring. Type: fix Ticket: VPP-1843 Signed-off-by: Steven Luong <sluong@cisco.com> Change-Id: Id7c872f3e39e09f3566aa63f3cdba8f40736d508 (cherry picked from commit f7ab7b2d9bc0f42c1e766d22d49dd0dc4f28abb6)
2020-02-18mactime: remove unnecessary function declarationNeale Ranns1-2/+0
Type: fix Change-Id: I80cb666d9eae9d0f780d51fb95454d97ed320454 Signed-off-by: Neale Ranns <nranns@cisco.com> (cherry picked from commit bb688a4dc188b097a2dbca91da58fc5585ab6838)
2020-02-18papi: harden socket handlingVratko Polak2-19/+24
In the previous implementation of socket transport for PAPI, socket methods .send and .recv_into were used. But they are not guaranteed to send/receive all the data for the full message. The receive part contained a loop, but it handled only the main message, not the header. This patch replaces .send with .sendall and uses newly defined _read_fixed method. Also, removed Paul from maintainers, as he is not active much, lately. Type: fix Change-Id: Iae1a68bf8f9e666856b7c7d62ebfe22defc5dfe1 Signed-off-by: Vratko Polak <vrpolak@cisco.com> (cherry picked from commit 6df2c7954126a316f86908526c3bb4d649f06597)
2020-02-18papi: introduce read_blockingVratko Polak1-3/+29
Previously, self.transport.q got the messages (at least for socket transport), stored in the encoded (packed) form. In order to avoid accessing internals for async reads, a new method is introduced, to perform blocking reads of decoded (unpacked) messages. The method is also used in _call_vpp(), so sync and async reads are kept compatible. Type: feature Change-Id: Id49792dfa57c00b1a14a198031c5398d09a9ba20 Signed-off-by: Vratko Polak <vrpolak@cisco.com> (cherry picked from commit 0938547eaaf5440de28877fa4f873c21bcb8cfbf)
2020-02-18api: comment, simplify and fix api socket readVratko Polak1-48/+80
The function vl_socket_read_ready did contain some comments already, but as they stated, the logic has to be tricky to cover multiple cases. Comment: + Add function-level comment + Add comments to describe some of local variables + Add many comments to describe internal state at particular lines. Simplify: + Remov mbp_set as it is never needed. + Replace msg_len with msgbuf_len to save "+ sizeof (msgbuf_t)". Improve: + Early exit on EAGAIN. Fix: + "n" now only tracks input_buffer. Previously, it was entering the detection of additional messages even for unprocessed_input. + Set up msg_buffer (including appending to unprocessed_input) outside full-message-detection loop now, so it cannot be executed multiple times as before. Type: fix Ticket: VPP-1785 Change-Id: I256e34b435be06844458744a13ea37a0e86a96f9 Signed-off-by: Vratko Polak <vrpolak@cisco.com> (cherry picked from commit 6a6af6ea1a77b5818e717047b5d01251ef6d024a)
2020-02-13classify: fix "show classify filter" debug CLIDave Barach1-3/+1
Null pointer bug, memory leak. D'oh! Type: fix Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: Ic2865757ed9cbb7f48d23c7c30b64299eb5f6674 (cherry picked from commit 104112f2d412a4576b5e0d3bbb20665d2b5bd615)
2020-02-13ikev2: correct byte order in api handlersAleksander Djuric1-10/+21
Type: fix Signed-off-by: Aleksander Djuric <aleksander.djuric@gmail.com> Change-Id: I186286b8959ae138528a5171c22d3e1b00f46baf Signed-off-by: Aleksander Djuric <aleksander.djuric@gmail.com> (cherry picked from commit 50c99b4a8679e6c0d6f48677a5b91455bb612c86)
2020-02-12classify: "classify filter ..." debug CLI cleanupDave Barach2-7/+195
The pcap trace filter initial table index lives in cm->filter_set_by_sw_if_index [0], which corresponds to the "local0" interface. Debug cli makes sure that folks don't accidentally specify the "local0" interface. At least it does now... Fix the "vlib format.c code coverage" test in test/test_vlib.py. Type: fix Change-Id: I35320bc2c8f0c6f1f8c12e3529d1938548185151 Signed-off-by: Dave Barach <dave@barachs.net> (cherry picked from commit 29c6132108be68feb11c8d9bfaaf674cba86ee33)
2020-02-12classify: vpp packet tracer supportDave Barach6-33/+261
Configure n-tuple classifier filters which apply to the vpp packet tracer. Update the documentation to reflect the new feature. Add a test vector. Type: feature Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: Iefa911716c670fc12e4825b937b62044433fec36 (cherry picked from commit 87d24db65facb89ca524c951b8379ca2ec4dbc7a)
2020-02-06vppinfra: fix typo in tw_timer_template.cDave Barach1-1/+1
Fix minor memory leak Type: fix Ticket: VPP-1833 Fixes: 4af9ba1dab Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: Id10fba70471ca78f73f14146054f6b12c5d4431f
2020-02-06vppinfra: preserve total_cpu_time across clock freq adjustmentDave Barach2-4/+17
If clib_time_verify_frequency() adjusts the clock frequency, transform total_cpu_time to the new time coordinate space. Otherwise, we break comparisons with previous clib_time_now() value. Without this correction, time jumps in one direction or the other depending on the sign of the frequency change. Reasonably harmless in most cases, but under perfect storm conditions the wheels fall off. Type: fix Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: I21802c2630e2c87ff817cd732b7d78bc022cd2d7 (cherry picked from commit e52d8d880ac644f07154bc2fb94035a198ed6688)
2020-02-06pmalloc: always lock pagesDamjan Marion2-25/+16
Type: feature Change-Id: I5bbf37969c9c51e40a013d1fc3ab966838eeb80d Signed-off-by: Damjan Marion <damarion@cisco.com> (cherry picked from commit 801c7016ad90e5f5618f523b3f9284daee0b696c)
2020-02-06lb: lb_add_del_vip and lb_add_del_as doesn't work.Hongjun Ni2-4/+14
Ticket: FDIO-753 Type: fix Change-Id: I4a8cf06970b658dfa15768459a3ff76571d6dfff Signed-off-by: Hongjun Ni <hongjun.ni@intel.com> (cherry picked from commit e69f4714323e1f7e7754fef58a2d75949e146317)
2020-02-06vlib: autogenerate <node> before <last-in-arc> constraintsDave Barach4-1/+25
If an arc declaration includes '.last_in_arc = "some-node"', assume that folks mean it and add explicit ordering constraints. Fix the "arp" arc declaration which claimed that the arc ends at arp-disabled, but the arc really ends at error-drop. Type: fix Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: Ie2de1fb30091671cbc7c62770903a2e05987f141 (cherry picked from commit 5f9f3c8de8d5d9f83a437661a98e5cc2453705f9)
2020-02-06ikev2: fix memory leak in child SAFilip Tehlar1-16/+15
traffic selector vector isn't freed when freeing child SA Type: fix Change-Id: Icf6c240db5093f45d141451bad6f6627a61821cf Signed-off-by: Filip Tehlar <ftehlar@cisco.com> (cherry picked from commit 99eefc2cfee4f71e1aaad1d420e6d9335072eb2c)
2020-02-06api: configurable binary api client rx pthread fcnDave Barach2-19/+39
Add vl_client_connect_to_vlib_thread_fn (...) and export the memory_client_main_t definition. If you use this new API, make sure not to miss the setjmp / longjmp dance shown in .../src/vlibmemory/memory_client.c:rx_thread_fn(...), which is required for the rx pthread to terminate cleanly; please process client delete reply messages in the rx thread... Type: refactor Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: Ia67038ec59e2e14b174c67afca15b2c3f67a4d20 (cherry picked from commit 920180e5e0722c78c258ff26476fd5efa434032d)
2020-02-06session: extra checks in session validationSrikanth Akula3-15/+29
Type: fix Adding few extra checks while doign session validationwq! Signed-off-by: Srikanth Akula <srakula@cisco.com> Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I4d18b5ad97d1802ce38a07aeb56b5f35939c1187 (cherry picked from commit e140d5d0255b80f8dda945daf7202b5698d81d9b)
2020-02-06virtio: feature arc have higher priority than redirectDamjan Marion2-6/+8
Type: fix Fixes: 8389fb9 Change-Id: Ie159eb444b28b36a7af86049b80fba4e49be93cb Signed-off-by: Damjan Marion <damarion@cisco.com> (cherry picked from commit 06c194d91b6d2d888ed2b0c5cf0df1cdbc7c53a4)
2020-02-06tcp: improve lost rxt heuristicFlorin Coras3-34/+55
Type: feature - retransmit first unacked segment if newer retransmitted packets are acked - avoid spurious retransmits if recovery ends with sacked bytes Change-Id: Ic1b56d22e025822edb7609afb136e47440ea6032 Signed-off-by: Florin Coras <fcoras@cisco.com> (cherry picked from commit b3dce89a768aaffa2a830ba6579cd3d9c8cd967a)
2020-02-06session: re-set tx fifo event if out of buffersFlorin Coras1-1/+2
Type: fix Change-Id: I7416e827fbc5c63d082273656441c81dd6246d8a Signed-off-by: Florin Coras <fcoras@cisco.com> (cherry picked from commit aa43914df656bbd7340b8dbd68f23f8fe0aabfd5)
2020-02-06lacp: add actor steady state check prior to skip processing lacp pduSteven Luong4-51/+48
In a rare event, we may be skipping processing lacp pdu's when the it is not in steady state. Type: fix Signed-off-by: Steven Luong <sluong@cisco.com> Change-Id: I4e4f81dfd4e95433879ee66cdf6edb8d8afbe9b0
2020-01-29fib: refresh adj pointer after fib_walk_sync due to possible reallocSteven Luong2-0/+20
fib_walk_sync may call adj_alloc which may cause adj_pool to expand. When that happens, any previous frame which still use the old adj pointer needs to refresh. Failure to do so may access or update to the old adj memory unintentionally and crash mysteriously. Type: fix Ticket: VPPSUPP-54 Signed-off-by: Steven Luong <sluong@cisco.com> Change-Id: Ia7c6cb03c1ed9ddbbfb12dd42c8abc7f5b3f210c
2020-01-29devices: vhost: fix data offset on inputBenoît Ganne1-11/+1
Regardless of whether the virtio_net_hdr is sent as a separate descriptors or in the same descriptor as the data, we always want to skip the header length - maybe moving to the next descriptor along the way. Type: fix Change-Id: Iaa70aeb310e589639b20f8c7029aaa8d3ce5d307 Signed-off-by: Benoît Ganne <bganne@cisco.com> (cherry picked from commit 5ecc1e4d433a34845c7bfd761dc990413e6c321b)
2020-01-29bfd: reset peer discriminator on timeoutKlement Sekera2-0/+24
More RFC compliance. Ticket: VPP-1816 BFD: peer discriminator not reset on timeout Type: fix Change-Id: I68063c18097d282b3527e3fb485c1d0d1fd1b0c8 Signed-off-by: Klement Sekera <ksekera@cisco.com>
2020-01-28bonding: Add GSO supportSteven Luong2-2/+21
Add GSO support, configurable from the CLI. Type: feature Ticket: VPP-1820 Signed-off-by: Steven Luong <sluong@cisco.com> Change-Id: I65885a071b24c74437e6cfe5eff237b01bc1744b
2020-01-28bonding: process lacp when bond is admin downMatthew Smith1-1/+0
Ticket: VPP-1821 Type: fix Fixes: 6dfd3785e4 When a bond interface is administratively down but the slaves are up, process inbound LACP packets received over the slaves. This was the old behavior with bond interfaces in LACP mode and was altered unintentionally by another change. Restore the old behavior. Change-Id: I61b0b700211dea4859b6ee447ab83b33197d9d11 Signed-off-by: Matthew Smith <mgsmith@netgate.com> (cherry picked from commit 854eb6e3ff87ace211a45a8053424d8432bd5755)
2020-01-28fib: Reload the adj after possible realloc (VPP-1822)Neale Ranns1-0/+1
Type: fix Fixes: 418b225931634f6d113d2971cb9550837d69929d Change-Id: Ia5f4ea24188c4f3de87e06a7fd07b40bcb47cfc1 Signed-off-by: Neale Ranns <nranns@cisco.com>
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
2020-01-22fib: Adjacency realloc during rewrite update walk (VPP-1822)Neale Ranns1-4/+4
Type: fix Change-Id: I0e826284c50713d322ee7943d87fd3363cfbdfbc Signed-off-by: Neale Ranns <nranns@cisco.com>
2020-01-20fib: FIB crash removing labelled route (VPP-1818)Neale Ranns1-7/+12
Type: fix The crash occured trying to retreive a NULL path list to walk the path extensions. A walk shoul not be required, because there should be no extensins, since all paths are removed. The problem is that when the paths were added, they were not sorted, hence neither were the extensions and when they were updated, duplicate extensions were added, and hence a path removal did not remove them all. Fix is to make sure paths are sorted. Change-Id: I069d937de8e7bc8aae3d92f588db4daff727d863 Signed-off-by: Neale Ranns <nranns@cisco.com>
2020-01-08l2: fix MAC learn counter update on adding MAC entryJohn Lo1-1/+1
Type: fix Signed-off-by: John Lo <loj@cisco.com> Change-Id: I711432f589ee4a4527cf795526d3b4031999f71d (cherry picked from commit b2e73b1dcb8e9eb3bf74a96fff20a9b27f7e6d73)