diff options
author | Richard Kuo <rkuo@codeaurora.org> | 2011-10-31 23:38:04 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-01 14:34:18 (GMT) |
commit | 075a46a049d4ec16925139d69b4473499fd14122 (patch) | |
tree | 6e0f63f9e9e3f9fd22aa4db8fd843fda81a6691b /arch/hexagon/include/asm | |
parent | b7840983e841e2870ff69f8e410e349c6b819b9f (diff) | |
download | linux-075a46a049d4ec16925139d69b4473499fd14122.tar.xz |
Hexagon: Add checksum functions
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/hexagon/include/asm')
-rw-r--r-- | arch/hexagon/include/asm/checksum.h | 50 | ||||
-rw-r--r-- | arch/hexagon/include/asm/intrinsics.h | 26 |
2 files changed, 76 insertions, 0 deletions
diff --git a/arch/hexagon/include/asm/checksum.h b/arch/hexagon/include/asm/checksum.h new file mode 100644 index 0000000..3ce4ecd --- /dev/null +++ b/arch/hexagon/include/asm/checksum.h @@ -0,0 +1,50 @@ +/* + * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +#ifndef _ASM_CHECKSUM_H +#define _ASM_CHECKSUM_H + +#define do_csum do_csum +unsigned int do_csum(const void *voidptr, int len); + +/* + * the same as csum_partial, but copies from src while it + * checksums + * + * here even more important to align src and dst on a 32-bit (or even + * better 64-bit) boundary + */ +#define csum_partial_copy_nocheck csum_partial_copy_nocheck +__wsum csum_partial_copy_nocheck(const void *src, void *dst, + int len, __wsum sum); + +/* + * computes the checksum of the TCP/UDP pseudo-header + * returns a 16-bit checksum, already complemented + */ +#define csum_tcpudp_nofold csum_tcpudp_nofold +__wsum csum_tcpudp_nofold(unsigned long saddr, unsigned long daddr, + unsigned short len, unsigned short proto, __wsum sum); + +#define csum_tcpudp_magic csum_tcpudp_magic +__sum16 csum_tcpudp_magic(unsigned long saddr, unsigned long daddr, + unsigned short len, unsigned short proto, __wsum sum); + +#include <asm-generic/checksum.h> + +#endif diff --git a/arch/hexagon/include/asm/intrinsics.h b/arch/hexagon/include/asm/intrinsics.h new file mode 100644 index 0000000..1c02186 --- /dev/null +++ b/arch/hexagon/include/asm/intrinsics.h @@ -0,0 +1,26 @@ +/* + * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +#ifndef _ASM_HEXAGON_INTRINSICS_H +#define _ASM_HEXAGON_INTRINSICS_H + +#define HEXAGON_P_vrmpyhacc_PP __builtin_HEXAGON_M2_vrmac_s0 +#define HEXAGON_P_vrmpyh_PP __builtin_HEXAGON_M2_vrmpy_s0 +#define HEXAGON_R_cl0_R __builtin_HEXAGON_S2_cl0 + +#endif |