Age | Commit message (Collapse) | Author | Files | Lines | |
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2023-05-13 | selftests/bpf: Correctly handle optlen > 4096 | 1 | -0/+2 | ||
Even though it's not relevant in selftests, the people might still copy-paste from them. So let's take care of optlen > 4096 cases explicitly. Signed-off-by: Stanislav Fomichev <sdf@google.com> Link: https://lore.kernel.org/r/20230511170456.1759459-4-sdf@google.com Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> | |||||
2021-08-20 | selftests/bpf: Add tests for {set|get} socket option from setsockopt BPF | 1 | -0/+70 | ||
Adding selftests for the newly 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 use-case) 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@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Song Liu <songliubraving@fb.com> Link: https://lore.kernel.org/bpf/20210817224221.3257826-3-prankgup@fb.com |