diff options
Diffstat (limited to 'src/spdk/intel-ipsec-mb/include/wireless_common.asm')
-rw-r--r-- | src/spdk/intel-ipsec-mb/include/wireless_common.asm | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/spdk/intel-ipsec-mb/include/wireless_common.asm b/src/spdk/intel-ipsec-mb/include/wireless_common.asm new file mode 100644 index 000000000..811c2c256 --- /dev/null +++ b/src/spdk/intel-ipsec-mb/include/wireless_common.asm @@ -0,0 +1,128 @@ +;; +;; Copyright (c) 2019, Intel Corporation +;; +;; Redistribution and use in source and binary forms, with or without +;; modification, are permitted provided that the following conditions are met: +;; +;; * Redistributions of source code must retain the above copyright notice, +;; this list of conditions and the following disclaimer. +;; * Redistributions in binary form must reproduce the above copyright +;; notice, this list of conditions and the following disclaimer in the +;; documentation and/or other materials provided with the distribution. +;; * Neither the name of Intel Corporation nor the names of its contributors +;; may be used to endorse or promote products derived from this software +;; without specific prior written permission. +;; +;; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +;; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +;; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +;; DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE +;; FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +;; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +;; SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +;; CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +;; OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +;; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +;; + +%include "include/os.asm" + +section .data +default rel +align 16 +swap_mask: +db 0x03, 0x02, 0x01, 0x00, 0x07, 0x06, 0x05, 0x04 +db 0x0b, 0x0a, 0x09, 0x08, 0x0f, 0x0e, 0x0d, 0x0c + +section .text + +; Function which XOR's 64 bytes of the input buffer with 64 bytes of the +; KeyStream, placing the result in the output buffer. +; KeyStream bytes must be swapped on 32 bit boundary before this operation +%macro xor_keystream 1 +%define %%SIMDTYPE %1 ; "SSE" or "AVX" + +%ifidn %%SIMDTYPE, AVX + %define %%MOVDQU vmovdqu + %define %%MOVDQA vmovdqa + %define %%PXOR vpxor + %define %%PSHUFB vpshufb +%else + %define %%MOVDQU movdqu + %define %%MOVDQA movdqa + %define %%PXOR pxor + %define %%PSHUFB pshufb +%endif +%ifdef LINUX + %define %%pIn rdi + %define %%pOut rsi + %define %%pKS rdx +%else + %define %%pIn rcx + %define %%pOut rdx + %define %%pKS r8 + + mov rax, rsp + sub rsp, 48 + and rsp, ~15 + %%MOVDQA [rsp], xmm6 + %%MOVDQA [rsp + 16], xmm7 + %%MOVDQA [rsp + 32], xmm8 +%endif + %define XKEY0 xmm0 + %define XKEY1 xmm1 + %define XKEY2 xmm2 + %define XKEY3 xmm3 + %define XIN0 xmm4 + %define XIN1 xmm5 + %define XIN2 xmm6 + %define XIN3 xmm7 + %define XSHUF xmm8 + + %%MOVDQA XSHUF, [rel swap_mask] + %%MOVDQA XKEY0, [%%pKS] + %%MOVDQA XKEY1, [%%pKS + 16] + %%MOVDQA XKEY2, [%%pKS + 32] + %%MOVDQA XKEY3, [%%pKS + 48] + + %%PSHUFB XKEY0, XSHUF + %%PSHUFB XKEY1, XSHUF + %%PSHUFB XKEY2, XSHUF + %%PSHUFB XKEY3, XSHUF + + %%MOVDQU XIN0, [%%pIn] + %%MOVDQU XIN1, [%%pIn + 16] + %%MOVDQU XIN2, [%%pIn + 32] + %%MOVDQU XIN3, [%%pIn + 48] + + %%PXOR XKEY0, XIN0 + %%PXOR XKEY1, XIN1 + %%PXOR XKEY2, XIN2 + %%PXOR XKEY3, XIN3 + + %%MOVDQU [%%pOut], XKEY0 + %%MOVDQU [%%pOut + 16], XKEY1 + %%MOVDQU [%%pOut + 32], XKEY2 + %%MOVDQU [%%pOut + 48], XKEY3 + +%ifndef LINUX + %%MOVDQA xmm6, [rsp] + %%MOVDQA xmm7, [rsp + 16] + %%MOVDQA xmm8, [rsp + 32] + mov rsp,rax +%endif +%endmacro + +MKGLOBAL(asm_XorKeyStream64B_avx,function,internal) +asm_XorKeyStream64B_avx: + xor_keystream AVX + ret + +MKGLOBAL(asm_XorKeyStream64B_sse,function,internal) +asm_XorKeyStream64B_sse: + xor_keystream SSE + ret + +%ifdef LINUX +section .note.GNU-stack noalloc noexec nowrite progbits +%endif |