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netmap: add test cases for multiple host rings
Extend the netmap unit tests with new test cases for the multiple-host-rings
feature introduced by r345269.
Notes:
svn path=/stable/12/; revision=348516
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r345644 (by olivier):
Skip this test if if_tap module is not available
PR: 236842
r346061:
Polish netmap(4) testcases a bit
1. Not all kernels have netmap(4) support. Check for netmap(4) support before
attempting to run the tests via the `PLAIN_REQUIRE_KERNEL_MODULE(..)` macro.
2. Libraries shouldn't be added to LDFLAGS; they should be added to LIBADD
instead. This allows the build system to evaluate dependencies for sanity.
3. Sort some of the Makefile variables per bsd.README.
1., in particular, will resolve failures when running this testcase on kernels
lacking netmap(4) support, e.g., the i386 GENERIC kernels on ^/stable/11 and
^/stable/12.
PR: 237129
Notes:
svn path=/stable/12/; revision=346257
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netmap: add support for multiple host rings
Some applications forward from/to host rings most or all the
traffic received or sent on a physical interface. In this
cases it is desirable to have more than a pair of RX/TX host
rings, and use multiple threads to speed up forwarding.
This change adds support for multiple host rings. On registering
a netmap port, the user can specify the number of desired receive
and transmit host rings in the nr_host_tx_rings and nr_host_rx_rings
fields of the nmreq_register structure.
Notes:
svn path=/stable/12/; revision=345762
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netmap: unit tests: fix issues found by coverity scan
Reported by: asomers
Sponsored by: Sunny Valley Networks
Notes:
svn path=/stable/12/; revision=342913
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netmap: add suite of unit tests
Import the unit tests from upstream (https://github.com/luigirizzo/netmap
ba02539859d46d33), and make them ready for use with Kyua.
There are currently 38 regression tests, which test the kernel control ABI
exposed by netmap to userspace applications:
1: test for port info get
2-5: tests for basic port registration
6-9: tests for VALE
10-11: tests for getting netmap allocator info
12-15: tests for netmap pipes
16: test on polling mode
17-18: tests on options
19-27: tests for sync-kloop subsystem
28-39: tests for null ports
31-38: tests for the legacy NIOCREGIF registers
Reviewed by: ngie
Sponsored by: Sunny Valley Networks
Differential Revision: https://reviews.freebsd.org/D18490
Notes:
svn path=/stable/12/; revision=342858
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