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1. When interface create encouners an error (see test below),
the same id cannot be used again.
This is due to hash_set is called too early in the function. After the
hash entry is set, there are different errors may cause the interface
create to be aborted. But we didn't remove the hash entry when error is
encountered. The fix is to move the hash_set call near the end which has
no more "goto error"
DBGvpp# create tap id 1 rx-ring-size 1021 tx-ring-size 1021
create tap id 1 rx-ring-size 1021 tx-ring-size 1021
create tap: ring size must be power of 2
DBGvpp# create tap id 1 rx-ring-size 1024 tx-ring-size 1024
create tap id 1 rx-ring-size 1024 tx-ring-size 1024
create tap: interface already exists
DBGvpp#
2. multiple issues exist with api_format.c with the below command
binary-api tap_create_v2 id 4 hw-addr 90:e2:ba:76:cf:2f rx-ring-size 1024 tx-ring-size 1024
- hw_addr is not taken due to the test for random mac is inverted
- id is an integer, not a string
- integer values were not converted to network format
Change-Id: I5a669d702a80ad158517df46f0ab089e4d0d692e
Signed-off-by: Steven <sluong@cisco.com>
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The following command sequences cause the crash:
create tap id 0 rx-ring-size 1024 tx-ring-size 1024
create tap id 1 rx-ring-size 1024 tx-ring-size 1024
set interface state tap0 up
set interface state tap1 up
delete tap tap0
delete tap tap1
create tap id 0 rx-ring-size 1024 tx-ring-size 1024
0: /home/sluong/vpp2/vpp/build-data/../src/vnet/interface_funcs.h:46
(vnet_get_hw_interface) assertion `! pool_is_free (vnm->interface_main.hw_interfaces, _e)' fails
The reason for the crash is because when the tap interface is deleted,
the code does not remove the entry from the device queue. But the interface
is deleted anyway from vnet_main.interface_main.hw_interfaces.
When an interface is created again, it may encounter
the deleted entry in the device queue and crash. Notice create and delete a
single entry does not cause a crash. Need to create and delete 2 interfaces
to create a "hole" in the device queue.
Change-Id: I42ce0b7943d73b3eab32a16751a0a3183de62d9f
Signed-off-by: Steven <sluong@cisco.com>
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Change-Id: I373f429c53c6f66ad38322addcfaccddb7761392
Signed-off-by: Damjan Marion <damarion@cisco.com>
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This is a version of the VPP API generator in Python PLY. It supports
the existing language, and has a plugin architecture for generators.
Currently C and JSON are supported.
Changes:
- vl_api_version to option version = "major.minor.patch"
- enum support
- Added error checking and reporting
- import support (removed the C pre-processor)
- services (tying request/reply together)
Version:
option version = "1.0.0";
Enum:
enum colours {
RED,
BLUE = 50,
};
define foo {
vl_api_colours_t colours;
};
Services:
service {
rpc foo returns foo_reply;
rpc foo_dump returns stream foo_details;
rpc want_stats returns want_stats_reply
events ip4_counters, ip6_counters;
};
Future planned features:
- unions
- bool, text
- array support (including length)
- proto3 output plugin
- Refactor C/C++ generator as a plugin
- Refactor Java generator as a plugin
Change-Id: Ifa289966c790e1b1a8e2938a91e69331e3a58bdf
Signed-off-by: Ole Troan <ot@cisco.com>
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Change-Id: I76fd655ecd9445299b94b3b5af10e7b1588584e4
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Buffers may be allocated for indirect descriptors by tx thread and
they are freed when tx thread is invoked in the next invocation.
This is to allow the recipient (kernel) to have a chance to process
them. But if the tap interface is deleted, the tx thread may not yet
be called to clean up the indirect descriptors' buffers. In that case,
we need to remove them without waiting for the tx thread to be called.
Failure to do so may cause buffers leak when the tap interface is deleted.
For the RX ring, leakage also exists for vring->buffers when the interface
is removed.
Change-Id: I3df313a0e60334776b19daf51a9f5bf20dfdc489
Signed-off-by: Steven <sluong@cisco.com>
(cherry picked from commit d8a998e74b815dd3725dfcd80080e4e540940236)
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This does not update api client code. In other words, if the client
assumes the transport is shmem based, this patch does not change that.
Furthermore, code that checks queue size, for tail dropping, is not
updated.
Done for the following apis:
Plugins
- acl
- gtpu
- memif
- nat
- pppoe
VNET
- bfd
- bier
- tapv2
- vhost user
- dhcp
- flow
- geneve
- ip
- punt
- ipsec/ipsec-gre
- l2
- l2tp
- lisp-cp/one-cp
- lisp-gpe
- map
- mpls
- policer
- session
- span
- udp
- tap
- vxlan/vxlan-gpe
- interface
VPP
- api/api.c
OAM
- oam_api.c
Stats
- stats.c
Change-Id: I0e33ecefb2bdab0295698c0add948068a5a83345
Signed-off-by: Florin Coras <fcoras@cisco.com>
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- separate client/server code for both memory and socket apis
- separate memory api code from generic vlib api code
- move unix_shared_memory_fifo to svm and rename to svm_fifo_t
- overall declutter
Change-Id: I90cdd98ff74d0787d58825b914b0f1eafcfa4dc2
Signed-off-by: Florin Coras <fcoras@cisco.com>
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Change-Id: I097a738b96a304621520f1842dcac7dbf61a8e3f
Signed-off-by: Milan Lenco <milan.lenco@pantheon.tech>
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Change-Id: I565277eafbce3d4f59a7f0d497fca1c4fed3cfc8
Signed-off-by: Swarup Nayak <swarupnpvt@gmail.com>
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Change-Id: I1bbd3f6ece255edfd4ebf268ac60f79dce1d10e7
Signed-off-by: Damjan Marion <damarion@cisco.com>
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- change interface naming scheme
- rework netlink code
- add option to set link address, namespace
Change-Id: Icf667babb3077a07617b0b87c45c957e345cb4d1
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Change-Id: Ica1be5c75c83ac64c7063bfeff1f4d00702a00e1
Signed-off-by: Milan Lenco <milan.lenco@pantheon.tech>
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virtio backend stays in vnet/devices/virtio
Change-Id: Idbf04f1c645a809ed408670ba330662859fe9309
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Steven
Damjan Marion
Ole Troan
Florin Coras
Milan Lenco
Swarup Nayak