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2017-11-11bpf: Fix tcp_cong_kern.c sample programLawrence Brakmo1-2/+4
The program was returning -1 in some cases which is not allowed by the verifier any longer. Fixes: 390ee7e29fc8 ("bpf: enforce return code for cgroup-bpf programs") Signed-off-by: Lawrence Brakmo <brakmo@fb.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-01bpf: Sample BPF program to set congestion controlLawrence Brakmo1-0/+83
Sample BPF program that sets congestion control to dctcp when both hosts are within the same datacenter. In this example that is assumed to be when they have the first 5.5 bytes of their IPv6 address are the same. Signed-off-by: Lawrence Brakmo <brakmo@fb.com> Signed-off-by: David S. Miller <davem@davemloft.net>