On Tue, Aug 17, 2021 at 3:43 PM Prankur gupta <prankgup@xxxxxx> wrote: > > Adding selftests for new added functionality to call bpf_setsockopt and > bpf_getsockopt from setsockopt BPF programs > > Test Details: > 1. BPF Program > Checks for changes in IPV6_TCLASS(SOL_IPV6) via setsockopt > If the cca for the socket is not cubic do nothing > If the newly set value for IPV6_TCLASS is 45 (0x2d) (as per our usecase) > then change the cc from cubic to reno > > 2. User Space Program > Creates an AF_INET6 socket and set the cca for that to be "cubic" > Attach the program and set the IPV6_TCLASS to 0x2d using setsockopt > Verify the cca for the socket changed to reno > > Signed-off-by: Prankur gupta <prankgup@xxxxxx> Acked-by: Song Liu <songliubraving@xxxxxx>
