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  • Daniel Borkmann's avatar
    reuseport, bpf: add test case for bpf_get_numa_node_id · 3c2c3c16
    Daniel Borkmann authored
    
    
    The test case is very similar to reuseport_bpf_cpu, only that here
    we select socket members based on current numa node id.
    
      # numactl -H
      available: 2 nodes (0-1)
      node 0 cpus: 0 1 2 3 4 5 12 13 14 15 16 17
      node 0 size: 128867 MB
      node 0 free: 120080 MB
      node 1 cpus: 6 7 8 9 10 11 18 19 20 21 22 23
      node 1 size: 96765 MB
      node 1 free: 87504 MB
      node distances:
      node   0   1
        0:  10  20
        1:  20  10
    
      # ./reuseport_bpf_numa
      ---- IPv4 UDP ----
      send node 0, receive socket 0
      send node 1, receive socket 1
      send node 1, receive socket 1
      send node 0, receive socket 0
      ---- IPv6 UDP ----
      send node 0, receive socket 0
      send node 1, receive socket 1
      send node 1, receive socket 1
      send node 0, receive socket 0
      ---- IPv4 TCP ----
      send node 0, receive socket 0
      send node 1, receive socket 1
      send node 1, receive socket 1
      send node 0, receive socket 0
      ---- IPv6 TCP ----
      send node 0, receive socket 0
      send node 1, receive socket 1
      send node 1, receive socket 1
      send node 0, receive socket 0
      SUCCESS
    
    Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
    Acked-by: default avatarAlexei Starovoitov <ast@kernel.org>
    Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
    3c2c3c16