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net: apple: bmac: use crc32() instead of hand-rolled equivalent
authorEric Biggers <ebiggers@google.com>
Tue, 13 May 2025 05:01:42 +0000 (22:01 -0700)
committerJakub Kicinski <kuba@kernel.org>
Thu, 15 May 2025 02:24:43 +0000 (19:24 -0700)
commita1dc1deeacbe65ebd3968bc4d14f14f8d696b184
treeedf827cc8161e39b435cd30930ecef6647337b8dtree
parent88906f55954131ed2d3974e044b7fb48129b86aecommit | diff
net: apple: bmac: use crc32() instead of hand-rolled equivalent

The calculation done by bmac_crc(addr) followed by taking the low 6 bits
and reversing them is equivalent to taking the high 6 bits from
crc32(~0, addr, ETH_ALEN).  Just do that instead.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://patch.msgid.link/20250513050142.635391-1-ebiggers@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
drivers/net/ethernet/apple/bmac.c diff | blob | history
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