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path: root/samples/bpf/tcp_synrto_kern.c
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2019-05-24samples: bpf: Do not define bpf_printk macroMichal Rostecki1-7/+0
The bpf_printk macro was moved to bpf_helpers.h which is included in all example programs. Signed-off-by: Michal Rostecki <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]>
2019-03-01samples: bpf: remove load_sock_ops in favour of bpftoolJakub Kicinski1-1/+1
bpftool can do all the things load_sock_ops used to do, and more. Point users to bpftool instead of maintaining this sample utility. Signed-off-by: Jakub Kicinski <[email protected]> Reviewed-by: Quentin Monnet <[email protected]> Acked-by: Andrii Nakryiko <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]>
2017-11-11bpf: Fix tcp_synrto_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 <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-07-01bpf: Sample bpf program to set SYN/SYN-ACK RTOsLawrence Brakmo1-0/+69
The sample BPF program, tcp_synrto_kern.c, sets the SYN and SYN-ACK RTOs to 10ms when both hosts are within the same datacenter (i.e. small RTTs) in an environment where common IPv6 prefixes indicate both hosts are in the same data center. Signed-off-by: Lawrence Brakmo <[email protected]> Acked-by: Daniel Borkmann <[email protected]> Signed-off-by: David S. Miller <[email protected]>
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