Daniel Borkmann c020347576 bpf: use per htab salt for bucket hash ... All BPF hash and LRU maps currently have a known and global seed we feed into jhash() which is 0. This is suboptimal, thus fix it by generating a random seed upon hashtab setup time which we can later on feed into jhash() on lookup, update and deletions. Fixes: 0f8e4bd8a1 ("bpf: add hashtable type of eBPF maps") Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Song Liu <songliubraving@fb.com> Reviewed-by: Eduardo Valentin <eduval@amazon.com>		2018-08-23 18:45:47 +02:00
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arraymap.c
bpf_lru_list.c
bpf_lru_list.h
btf.c
cgroup.c
core.c
cpumap.c
devmap.c
disasm.c
disasm.h
hashtab.c	bpf: use per htab salt for bucket hash	2018-08-23 18:45:47 +02:00
helpers.c
inode.c
local_storage.c
lpm_trie.c
Makefile
map_in_map.c
map_in_map.h
offload.c
percpu_freelist.c
percpu_freelist.h
reuseport_array.c
sockmap.c
stackmap.c
syscall.c
tnum.c
verifier.c
xskmap.c