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65ddc82d3b
This patch changes bpf_getsockopt(SOL_SOCKET) to reuse sk_getsockopt(). It removes all duplicated code from bpf_getsockopt(SOL_SOCKET). Before this patch, there were some optnames available to bpf_setsockopt(SOL_SOCKET) but missing in bpf_getsockopt(SOL_SOCKET). It surprises users from time to time. For example, SO_REUSEADDR, SO_KEEPALIVE, SO_RCVLOWAT, and SO_MAX_PACING_RATE. This patch automatically closes this gap without duplicating more code. The only exception is SO_BINDTODEVICE because it needs to acquire a blocking lock. Thus, SO_BINDTODEVICE is not supported. Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Link: https://lore.kernel.org/r/20220902002912.2894040-1-kafai@fb.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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