target/linux/generic/backport-5.4/080-wireguard-0124-crypto-mips-poly1305-enable-for-all-MIPS-processors.patch

   1 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
   2 From: "Maciej W. Rozycki" <macro@orcam.me.uk>
   3 Date: Thu, 11 Mar 2021 21:50:47 -0700
   4 Subject: [PATCH] crypto: mips/poly1305 - enable for all MIPS processors
   5
   6 commit 6c810cf20feef0d4338e9b424ab7f2644a8b353e upstream.
   7
   8 The MIPS Poly1305 implementation is generic MIPS code written such as to
   9 support down to the original MIPS I and MIPS III ISA for the 32-bit and
  10 64-bit variant respectively.  Lift the current limitation then to enable
  11 code for MIPSr1 ISA or newer processors only and have it available for
  12 all MIPS processors.
  13
  14 Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk>
  15 Fixes: a11d055e7a64 ("crypto: mips/poly1305 - incorporate OpenSSL/CRYPTOGAMS optimized implementation")
  16 Cc: stable@vger.kernel.org # v5.5+
  17 Acked-by: Jason A. Donenfeld <Jason@zx2c4.com>
  18 Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
  19 Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
  20 ---
  21  arch/mips/crypto/Makefile | 4 ++--
  22  crypto/Kconfig            | 2 +-
  23  drivers/net/Kconfig       | 2 +-
  24  3 files changed, 4 insertions(+), 4 deletions(-)
  25
  26 --- a/arch/mips/crypto/Makefile
  27 +++ b/arch/mips/crypto/Makefile
  28 @@ -12,8 +12,8 @@ AFLAGS_chacha-core.o += -O2 # needed to
  29  obj-$(CONFIG_CRYPTO_POLY1305_MIPS) += poly1305-mips.o
  30  poly1305-mips-y := poly1305-core.o poly1305-glue.o
  31
  32 -perlasm-flavour-$(CONFIG_CPU_MIPS32) := o32
  33 -perlasm-flavour-$(CONFIG_CPU_MIPS64) := 64
  34 +perlasm-flavour-$(CONFIG_32BIT) := o32
  35 +perlasm-flavour-$(CONFIG_64BIT) := 64
  36
  37  quiet_cmd_perlasm = PERLASM $@
  38        cmd_perlasm = $(PERL) $(<) $(perlasm-flavour-y) $(@)
  39 --- a/crypto/Kconfig
  40 +++ b/crypto/Kconfig
  41 @@ -740,7 +740,7 @@ config CRYPTO_POLY1305_X86_64
  42
  43  config CRYPTO_POLY1305_MIPS
  44         tristate "Poly1305 authenticator algorithm (MIPS optimized)"
  45 -       depends on CPU_MIPS32 || (CPU_MIPS64 && 64BIT)
  46 +       depends on MIPS
  47         select CRYPTO_ARCH_HAVE_LIB_POLY1305
  48
  49  config CRYPTO_MD4
  50 --- a/drivers/net/Kconfig
  51 +++ b/drivers/net/Kconfig
  52 @@ -92,7 +92,7 @@ config WIREGUARD
  53         select CRYPTO_POLY1305_ARM if ARM
  54         select CRYPTO_CURVE25519_NEON if ARM && KERNEL_MODE_NEON
  55         select CRYPTO_CHACHA_MIPS if CPU_MIPS32_R2
  56 -       select CRYPTO_POLY1305_MIPS if CPU_MIPS32 || (CPU_MIPS64 && 64BIT)
  57 +       select CRYPTO_POLY1305_MIPS if MIPS
  58         help
  59           WireGuard is a secure, fast, and easy to use replacement for IPSec
  60           that uses modern cryptography and clever networking tricks. It's