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authorBruno Martins <bgcngm@gmail.com>2020-12-06 18:31:14 +0000
committerMichael Bestas <mkbestas@lineageos.org>2020-12-31 19:40:46 +0200
commit141849eac5defb4bb6cf6e6f1381cb24ffcfdba5 (patch)
tree991068d0b0e30be8ca5879ba6e2914b82eefd25b /drivers/net/wireguard/compat/compat-asm.h
parent7d982ef6fe996f837d5c0c71feb2a3f3989deee7 (diff)
drivers: net: Modify WireGuard for backward compat
Change-Id: I1c8e130a514a7b0329f8df8099cc84f4cc8d5822
Diffstat (limited to 'drivers/net/wireguard/compat/compat-asm.h')
-rw-r--r--drivers/net/wireguard/compat/compat-asm.h78
1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/net/wireguard/compat/compat-asm.h b/drivers/net/wireguard/compat/compat-asm.h
new file mode 100644
index 000000000000..4e427e50e9c6
--- /dev/null
+++ b/drivers/net/wireguard/compat/compat-asm.h
@@ -0,0 +1,78 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ */
+
+#ifndef _WG_COMPATASM_H
+#define _WG_COMPATASM_H
+
+#include <linux/linkage.h>
+#include <linux/kconfig.h>
+#include <linux/version.h>
+
+/* PaX compatibility */
+#if defined(RAP_PLUGIN)
+#undef ENTRY
+#define ENTRY RAP_ENTRY
+#endif
+
+#if defined(__LINUX_ARM_ARCH__) && LINUX_VERSION_CODE < KERNEL_VERSION(3, 17, 0)
+ .irp c,,eq,ne,cs,cc,mi,pl,vs,vc,hi,ls,ge,lt,gt,le,hs,lo
+ .macro ret\c, reg
+#if __LINUX_ARM_ARCH__ < 6
+ mov\c pc, \reg
+#else
+ .ifeqs "\reg", "lr"
+ bx\c \reg
+ .else
+ mov\c pc, \reg
+ .endif
+#endif
+ .endm
+ .endr
+#endif
+
+#if defined(__LINUX_ARM_ARCH__) && LINUX_VERSION_CODE < KERNEL_VERSION(3, 15, 0)
+#include <asm/assembler.h>
+#define lspush push
+#define lspull pull
+#undef push
+#undef pull
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 4, 76)
+#define SYM_FUNC_START ENTRY
+#define SYM_FUNC_END ENDPROC
+#endif
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 5, 0)
+#define blake2s_compress_ssse3 zinc_blake2s_compress_ssse3
+#define blake2s_compress_avx512 zinc_blake2s_compress_avx512
+#define poly1305_init_arm zinc_poly1305_init_arm
+#define poly1305_blocks_arm zinc_poly1305_blocks_arm
+#define poly1305_emit_arm zinc_poly1305_emit_arm
+#define poly1305_blocks_neon zinc_poly1305_blocks_neon
+#define poly1305_emit_neon zinc_poly1305_emit_neon
+#define poly1305_init_mips zinc_poly1305_init_mips
+#define poly1305_blocks_mips zinc_poly1305_blocks_mips
+#define poly1305_emit_mips zinc_poly1305_emit_mips
+#define poly1305_init_x86_64 zinc_poly1305_init_x86_64
+#define poly1305_blocks_x86_64 zinc_poly1305_blocks_x86_64
+#define poly1305_emit_x86_64 zinc_poly1305_emit_x86_64
+#define poly1305_emit_avx zinc_poly1305_emit_avx
+#define poly1305_blocks_avx zinc_poly1305_blocks_avx
+#define poly1305_blocks_avx2 zinc_poly1305_blocks_avx2
+#define poly1305_blocks_avx512 zinc_poly1305_blocks_avx512
+#define curve25519_neon zinc_curve25519_neon
+#define hchacha20_ssse3 zinc_hchacha20_ssse3
+#define chacha20_ssse3 zinc_chacha20_ssse3
+#define chacha20_avx2 zinc_chacha20_avx2
+#define chacha20_avx512 zinc_chacha20_avx512
+#define chacha20_avx512vl zinc_chacha20_avx512vl
+#define chacha20_mips zinc_chacha20_mips
+#define chacha20_arm zinc_chacha20_arm
+#define hchacha20_arm zinc_hchacha20_arm
+#define chacha20_neon zinc_chacha20_neon
+#endif
+
+#endif /* _WG_COMPATASM_H */