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authorJohn Fastabend <john.fastabend@gmail.com>2018-05-14 10:00:17 -0700
committerDaniel Borkmann <daniel@iogearbox.net>2018-05-15 20:41:03 +0200
commit81110384441a59cff47430f20f049e69b98c17f4 (patch)
tree4c178876a42538fbefb50678562f9801a805d667 /tools/include
parente5cd3abcb31a48d4ea91bd32f0618802ca5f3592 (diff)
downloadlinux-81110384441a59cff47430f20f049e69b98c17f4.tar.bz2
bpf: sockmap, add hash map support
Sockmap is currently backed by an array and enforces keys to be four bytes. This works well for many use cases and was originally modeled after devmap which also uses four bytes keys. However, this has become limiting in larger use cases where a hash would be more appropriate. For example users may want to use the 5-tuple of the socket as the lookup key. To support this add hash support. Signed-off-by: John Fastabend <john.fastabend@gmail.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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