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| author | Yi-Hung Wei <yihung.wei@gmail.com> | 2020-01-03 17:13:26 -0800 |
|---|---|---|
| committer | Ilya Maximets <i.maximets@ovn.org> | 2020-01-18 02:11:39 +0100 |
| commit | e8568993e062afcb75a7a54b1a615f04d7d6df37 (patch) | |
| tree | d3b4ae4a9fb100baf9e97bd226d665a4781979d4 /acinclude.m4 | |
| parent | 105cf8df82f75d38b3afe1d7e1a4fe421f767ca2 (diff) | |
| download | openvswitch-e8568993e062afcb75a7a54b1a615f04d7d6df37.tar.gz | |
netdev-afxdp: NUMA-aware memory allocation for XSK related memory.
Currently, the AF_XDP socket (XSK) related memory are allocated by main
thread in the main thread's NUMA domain. With the patch that detects
netdev-linux's NUMA node id, the PMD thread of AF_XDP port will be run on
the AF_XDP netdev's NUMA domain. If the net device's NUMA domain
is different from the main thread's NUMA domain, we will have two
cross-NUMA memory accesses (netdev <-> memory, memory <-> CPU).
This patch addresses the aforementioned issue by allocating
the memory in the net device's NUMA domain.
Signed-off-by: Yi-Hung Wei <yihung.wei@gmail.com>
Acked-by: William Tu <u9012063@gmail.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
Diffstat (limited to 'acinclude.m4')
| -rw-r--r-- | acinclude.m4 | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4 index 1c8791d53..c1470ccc6 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -286,6 +286,8 @@ AC_DEFUN([OVS_CHECK_LINUX_AF_XDP], [ AC_CHECK_FUNCS([pthread_spin_lock], [], [AC_MSG_ERROR([unable to find pthread_spin_lock for AF_XDP support])]) + OVS_FIND_DEPENDENCY([numa_alloc_onnode], [numa], [libnuma]) + AC_DEFINE([HAVE_AF_XDP], [1], [Define to 1 if AF_XDP support is available and enabled.]) LIBBPF_LDADD=" -lbpf -lelf" |