filter: add MOD operation

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Add a new ALU opcode, to compute a modulus.

Commit ffe06c17af used an ancillary to implement XOR_X,
but here we reserve one of the available ALU opcode to implement both
MOD_X and MOD_K

Signed-off-by: Eric Dumazet <edumazet@google.com>
Suggested-by: George Bakos <gbakos@alpinista.org>
Cc: Jay Schulist <jschlst@samba.org>
Cc: Jiri Pirko <jpirko@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

...

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Eric Dumazet 2012-09-07 22:03:35 +00:00 • committed by David S. Miller

parent c6bb8136c9

commit b6069a9570

2 changed files with 19 additions and 0 deletions

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4

include/linux/filter.h

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15

net/core/filter.c

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