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2 Commits

Author SHA1 Message Date
Lawrence Brakmo
e1853319fc bpf: Fix tcp_iw_kern.c sample program 
The program was returning -1 in some cases which is not allowed
by the verifier any longer.

Fixes: 390ee7e29f ("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>
 2017-11-11 15:52:41 +09:00
Lawrence Brakmo
7bc62e2854 bpf: Sample BPF program to set initial cwnd 
Sample BPF program that assumes hosts are far away (i.e. large RTTs)
and sets initial cwnd and initial receive window to 40 packets,
send and receive buffers to 1.5MB.

In practice there would be a test to insure the hosts are actually
far enough away.

Signed-off-by: Lawrence Brakmo <brakmo@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-07-01 16:15:14 -07:00