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Server : Apache/2.4.18 (Ubuntu) System : Linux canvaswebdesign 3.13.0-71-generic #114-Ubuntu SMP Tue Dec 1 02:34:22 UTC 2015 x86_64 User : oppastar ( 1041) PHP Version : 7.0.33-0ubuntu0.16.04.15 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, Directory : /usr/src/linux-headers-4.4.0-97-generic/arch/blackfin/include/asm/ |
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/*
* Copyright 2004-2009 Analog Devices Inc.
* akbar.hussain@lineo.com
*
* Licensed under the GPL-2 or later.
*/
#ifndef _BFIN_CHECKSUM_H
#define _BFIN_CHECKSUM_H
/*
* computes the checksum of the TCP/UDP pseudo-header
* returns a 16-bit checksum, already complemented
*/
static inline __wsum
__csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len,
unsigned short proto, __wsum sum)
{
unsigned int carry;
__asm__ ("%0 = %0 + %2;\n\t"
"CC = AC0;\n\t"
"%1 = CC;\n\t"
"%0 = %0 + %1;\n\t"
"%0 = %0 + %3;\n\t"
"CC = AC0;\n\t"
"%1 = CC;\n\t"
"%0 = %0 + %1;\n\t"
"%0 = %0 + %4;\n\t"
"CC = AC0;\n\t"
"%1 = CC;\n\t"
"%0 = %0 + %1;\n\t"
: "=d" (sum), "=&d" (carry)
: "d" (daddr), "d" (saddr), "d" ((len + proto) << 8), "0"(sum)
: "CC");
return (sum);
}
#define csum_tcpudp_nofold __csum_tcpudp_nofold
#include <asm-generic/checksum.h>
#endif