[ Upstream commit 0532a79efd ] Added a new read_sock handler, allowing users to customize read operations instead of relying on the native socket's read_sock. Signed-off-by: Jiayuan Chen <mrpre@163.com> Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Acked-by: John Fastabend <john.fastabend@gmail.com> Link: https://patch.msgid.link/20250122100917.49845-2-mrpre@163.com Stable-dep-of: 36b62df568 ("bpf: Fix wrong copied_seq calculation") Signed-off-by: Sasha Levin <sashal@kernel.org> (cherry picked from commit a26f95b6e317acae6f85e8d9cf48c9d87aaccc82)
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