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Change-Id: I1e57a86b8872798a888e7d6128d9c4537a8090e6
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Change-Id: I881551e6c13503a71ae29a7a58bde4d193745d55
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Change-Id: Ie849ab713ff086187c18a91ab32e58207fe94033
Signed-off-by: Damjan Marion <damarion@cisco.com>
Signed-off-by: Jakub Grajciar <Jakub.Grajciar@pantheon.tech>
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- always use 'va_args' as pointer in all format_* functions
- u32 for all 'indent' params as it's declaration was inconsistent
Change-Id: Ic5799309a6b104c9b50fec309cba789c8da99e79
Signed-off-by: Christophe Fontaine <christophe.fontaine@enea.com>
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1. coverity complains about "buffer not null terminated" for strncpy because we
pass the size of the destination to the call which is equal to the true size
of the destination. We subtract 1 for the size to accommodate the null like all
other places are already doing it.
2. Add a check to tx_queues in memif_interface_tx_inline to avoid "divide by zero".
3. To avoid null pointer dereference in memif_create_if, change the goto done
rather than goto error and spit a more meaningful error rather than silent about it.
4. Shuffle a line to avoid "check after use" in vl_api_memif_delete_t_handler.
Change-Id: Icba7ecd5362c012a48ac35795d31aab356617420
Signed-off-by: Steven <sluong@cisco.com>
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Change-Id: Ib4de018a84e9c94df26a8870bf1b04e26204ace1
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Change-Id: I902f54618c4e1f649af11497c1cb10922e43755a
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Current memif interface supports frame size up to 2048. This patch is to
enhance memif to support jumbo frames.
On tx (writing buffers to the ring), keep reading the next buffer in vlib
when the flag VLIB_BUFFER_NEXT_PRESENT and merge it to the same ring entry.
Use descriptor chaining if the buffer is not big enough.
On rx (reading buffers from the ring), if the packet is greater than 2048,
create multiple vlib buffers, chained with the VLIB_BUFFER_NEXT_PRESENT.
Testing:
Because the ping command provided by VPP does not support jumbo frames,
I have to use linux ping. Here is the set up that I use for testing.
VM1 --- vhost ---- VPP1 --- memif --- VPP2 --- vhost --- VM2
Create vhost-user interfaces between VM1 and VPP1 and between VPP2 and VM2
VM configuration:
Set the interface mtu on the VM, e.g 9216 to support jumbo frames.
create static route and static arp on VM1 to VM2 and vice versa.
Use iperf3 or ping -s 8000 from VM1 to VM2 or vice versa.
Sample run
sluong@ubuntu:~$ ping 131.1.1.1 -c1 -s 8000
ping 131.1.1.1 -c1 -s 8000
PING 131.1.1.1 (131.1.1.1) 8000(8028) bytes of data.
8008 bytes from 131.1.1.1: icmp_seq=1 ttl=62 time=0.835 ms
--- 131.1.1.1 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.835/0.835/0.835/0.000 ms
sluong@ubuntu:~$
DBGvpp# sh interface memif0
Name Idx State Counter Count
memif0 1 up rx packets 1
rx bytes 8042
tx packets 1
tx bytes 8042
ip4 1
DBGvpp#
Change-Id: I469bece3d45a790dceaee1d6a8e976bd018feee2
Signed-off-by: Steven <sluong@cisco.com>
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Change-Id: I4d41def83a23f13701f1ddcea722d481e4c85cbc
Signed-off-by: Damjan Marion <damarion@cisco.com>
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- Add rx-queues and tx-queues option to the create memif CLI
- Add vlib_worker_thread_barrier_sync () to memif_conn_fd_read_ready () as
the latter function may disconnect the ring and clean up the shared memory.
- On transmit, write the rid (queue number) to the socket.
- On receive, read the rid and trigger the interrupt for the corresponding
thread.
Change-Id: If1c7e26c7124174678f047909cbc33e931eaac8c
Signed-off-by: Steven <sluong@cisco.com>
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Change-Id: I844ec53b55ceaa1e00996f5cf8a018537ea8b481
Signed-off-by: Milan Lenco <milan.lenco@pantheon.tech>
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Change-Id: I86089e9bb604adfc260a111685001be1c897ce53
Signed-off-by: Damjan Marion <damarion@cisco.com>
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Change-Id: I94c06b07a39f07ceba87bf3e7fcfc70e43231e8a
Signed-off-by: Damjan Marion <damarion@cisco.com>
Co-Authored-By: Milan Lenco <Milan.Lenco@pantheon.tech>
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