Type: test
This application creates two memif interfaces which connect
to an external application i.e. VPP.
Usage:
1) Start VPP with following config.
create interface memif id 0 master
create interface memif id 1 master
set int state memif0/0 up
set int state memif0/1 up
create packet-generator interface pg0
set int state pg0 up
create packet-generator interface pg1
set int state pg1 up
set int l2 xconn pg0 memif0/0
set int l2 xconn memif0/0 pg0
set int l2 xconn pg1 memif0/1
set int l2 xconn memif0/1 pg1
packet-generator new { \
name memif \
limit -1 \
node ethernet-input \
size 64-64 \
interface pg0 \
worker 0 \
data { \
IP4: 42:01:0a:00:00:0a -> 02:fe:4b:6e:4d:c1 \
UDP: 172.16.2.2 -> 172.16.0.2 \
UDP: 1234 -> 1234 \
length 30 checksum 0 incrementing 1 \
} \
}
2) Compile and Run the test_app in another terminal.
mkdir -p extras/libmemif/build
cd extras/libmemif/build
cmake ..
make
sudo ./examples/test_app
3) Run in VPP cli
vpp# packet enable
4) Run monitor to see the throughput and pps
vpp# monitor interface memif0/0
Or
vpp# monitor interface memif0/1
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
Change-Id: I4b9062fca8ad3020225adb7b1b09e5d66b1a7d48
Type: fix
Previously, libmemif can only use buffer size which
have to be power of 2. memif protocol does not enforce
this. This patch fixes this issue.
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
Change-Id: Ic71e6a51685e2c2228c744920797064d4c7c65c9
Type: fix
This patch fixes chain buffer support as transmit side
missing to set the flag to the descriptor in case of
chain buffers.
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
Change-Id: I73ff11be69a388f14fea39a19272d8eb76148fba
In case of timer is set and expires:
1. timer_fd is readable and stay readable.
2. timer_fd is part of epoll_fd set. This makes epoll_pwait()
calls return immediately instead of sleeping.
Type: fix
Signed-off-by: Daniel Béreš <dberes@cisco.com>
Change-Id: I9b228464fe45b83def9b182c885d6febf428049c
- icmp_responder: responds to ICMPv4 and ARP requests
- loopback: connects two interfaces and sends a
verification packet from master memif to slave memif
where it is looped back
- loopback (reverse path): reverses direction of packet
in loopback application (slave memif to master memif)
Type: refactor
Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>
Change-Id: Ie90aaa3367269408efb6c5d538ad5aa827432238
Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
Reset memif_buffer_t flags in memif_buffer_alloc and
memif_rx_burst
Type: fix
Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>
Change-Id: If62ba510fad783afb9f7f58411562b6989fa1573
- Changing function prototypes for a couple libmemif functions so that
gcc will successfully compile with the "-Wstrict-prototypes" flag
enabled.
- Re-ran unit tests via "make test" locally on Ubuntu 20.04 LTS x64.
One issue (likely unrelated to patch):
* Testcase name: Bidirectional Forwarding Detection (BFD)
ERROR: put session admin-up and admin-down
[test_bfd.BFD4TestCase.test_admin_up_down]
Type: fix
Change-Id: Ibcb7210873d39aec9348fe8ac7eebc78d089d8e0
Signed-off-by: Matthew Giassa <mgiassa@cisco.com>
This fixes size computation when using
abstract sockets with libmemif
Type: fix
Change-Id: I3a686e4ff2132b9fb295bbe30633958dcfec672b
Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
per_thread_ namespace fuctionality replaced by memif socket.
Interfaces are grouped by memif socket which holds interface database.
Each thread can create it's unique memif socket. The path name
can be equal across threads so that the app only uses one
UNIX socket. In case of listener socket, listener fd
can be obtained and set using APIs.
This change allows:
- No lookup on file descriptor events
- improves interrupt handling
- Loopback support (connect two interfaces in one app)
- usefull for debugging and testing
- Improves code readability by providing control channel
abstraction for each interface and listener sockets
Type: refactor
Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>
Change-Id: I1b8261042431c0376646ab4c4c831f6e59dd3eed
In memif_tx_burst verify that total buffer size
(data_offset + data_len) does not exceed buffer
size. If not valid returns MEMIF_ERR_INVAL_ARG.
Type: fix
Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>
Change-Id: Ifae8f92344a401febbc1efd22c301356ccf83d44
Dynamic size array was causing trouble in
strlcpy. LINUX allows for max 108 filename length,
so we can use that to make the array constant size.
Type: fix
Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>
Change-Id: I76b1fc41f9d93cfbc9ad11bdca0c96a1fc261e84
A calling patterm of "strncpy(dst, src, strlen(src))" invites a lot of troubles.
However, even using the target size may result in a problem if the string is
longer, since then the termination is not done.
Use strlcpy(dst, src, sizeof(dst)), which will always null-terminate
the string.
Change-Id: I8ddaf3dc8380a78af08914e81849279dae7ab24a
Type: fix
Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>
Update descriptor offset based on data pointer
in memif_buffer_t.
Slave only, master will not modify the descriptor.
Type: feature
Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>
Change-Id: Ice1e94cec366face650c58df81795f4dea727010
Fix arithmetic error in memif_refill_queue., where
some of the buffers didn't get properly refilled.
Type: fix
Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>
Change-Id: I9815a8ac9b899216581452c352e75e2a0454cbce
Adds memif_set_next_free_buffer - set internal pointer
to next free descriptor for any tx queue.
Type: feature
Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>
Change-Id: Ia24345a886a52c25c1723c6dbce023f2aed4a42c
Refactored memif_buffer_enq_tx - dequeue buffers from any queue (rx/tx) and
enqueue them to any tx queue.
Added memif_buffer_requeue - swap descriptors of provided buffers.
Type: refactor
Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>
Change-Id: I8482824df920aaaf8325d52a297ed57a815aaba6
cleaned up typos in documetation while doing a read through.
Type: style
Change-Id: Id8abbd8d6297ee10490c12a8e62097224f7ec1e1
Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
- add option to install only host tools
- add option to specify lib and runtime dir
Type: improvement
Change-Id: I6356b52df459120fc9b0127948bae7679fb10e52
Signed-off-by: Damjan Marion <damarion@cisco.com>
Event polling instance is always identified by libmemif main private context.
Fixes event polling handled by libmemif.
Type: fix
Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>
Change-Id: I51dcdb279b18f8ce97bad3b2695848e0b25a232d
APIs in 'memif_per_thread_' namespace are used to split the global
database into separate databases, to improve multi-thread use cases.
Using 'memif_per_thread_init' client can create separate libmemif
databases (libmemif_main_t). Client will reference these databases
using memif_per_thread_handle_t. Each database requires unique socket.
Created interface will be stored in the same database as the socket
passed in connection arguments.
Example code: extras/libmemif/examples/icmp_responder_3-1/main.c
Type: feature
Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>
Change-Id: I261563ecc34761a76e94f20c20015394398ddfd7
Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>
Add support for multi-thread connection establishment.
- control_fd_update() callback now passes private context
associated with updated file descriptor. File descriptor
can belong to memif socket, memif connection or timerfd.
In case of timerfd the context is NULL.
- memif_create_socket() new API. Creates memif socket
handle to be passed to memif_create() in memif_conn_args_t.
This API allows to pass private context whenever the file
descriptor is updated.
- memif_delete_socket() new API. Deletes memif socket.
Socket must not be in use by any interface.
Type: feature
Change-Id: I7ca4e4349595d4477195f1c32403d3e3a6eb5361
Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>
Add APIs that allow changing reconnect timer and request connection.
First connection request is automatically sent once slave interface is created.
Change-Id: Ie3558b7b94a780b046755f7f0ac6c3dcf07633e4
Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>
in the worst case scenario this leads to segfault in a hard-to-debug way.
Change-Id: I165adae0bd2dee26af777a2665c8c124d3a49808
Signed-off-by: Koichiro Den <den@klaipeden.com>
insufficient buflen does not mean immediate return but
fallthrough by design so assigning values to these
array elements should just be skipped in that case.
Change-Id: Iaa9718db073108e44a9b05e1c8ffb0725147ff1f
Signed-off-by: Koichiro Den <den@klaipeden.com>
Added Cpack support for building libmemif DEB/RPM packages
Fixed compilation errors in libmemif test and examples
Change-Id: I59a237a4ca8eb08840857d5b0e666f3a8d74411d
Signed-off-by: msardara <msardara+fdio@cisco.com>
in case first connecting slave fails continue connecting others
add disconnect string to memif details
Change-Id: I9d83db4724de1cab60786dca566e004016cf1e59
Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>
region 0: descriptors
region 1: buffers (external)
Change-Id: Ia728967817b4c78bc00f8eed44606d0c5bc386b0
Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>
