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authorAdrian Bunk <bunk@kernel.org>2008-07-24 00:28:50 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-24 13:47:24 -0400
commitf606ddf42fd4edc558eeb48bfee66d2c591571d2 (patch)
tree193f00db121201255b2629fce43b99a53c4ec735 /include/asm-v850/checksum.h
parent99764fa4ceeecba8b9e0a8a5565b418a2e94f83b (diff)
remove the v850 port
Trying to compile the v850 port brings many compile errors, one of them exists since at least kernel 2.6.19. There also seems to be noone willing to bring this port back into a usable state. This patch therefore removes the v850 port. If anyone ever decides to revive the v850 port the code will still be available from older kernels, and it wouldn't be impossible for the port to reenter the kernel if it would become actively maintained again. Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-v850/checksum.h')
-rw-r--r--include/asm-v850/checksum.h112
1 files changed, 0 insertions, 112 deletions
diff --git a/include/asm-v850/checksum.h b/include/asm-v850/checksum.h
deleted file mode 100644
index d1dddd938262..000000000000
--- a/include/asm-v850/checksum.h
+++ /dev/null
@@ -1,112 +0,0 @@
1/*
2 * include/asm-v850/checksum.h -- Checksum ops
3 *
4 * Copyright (C) 2001,2005 NEC Corporation
5 * Copyright (C) 2001,2005 Miles Bader <miles@gnu.org>
6 *
7 * This file is subject to the terms and conditions of the GNU General
8 * Public License. See the file COPYING in the main directory of this
9 * archive for more details.
10 *
11 * Written by Miles Bader <miles@gnu.org>
12 */
13
14#ifndef __V850_CHECKSUM_H__
15#define __V850_CHECKSUM_H__
16
17/*
18 * computes the checksum of a memory block at buff, length len,
19 * and adds in "sum" (32-bit)
20 *
21 * returns a 32-bit number suitable for feeding into itself
22 * or csum_tcpudp_magic
23 *
24 * this function must be called with even lengths, except
25 * for the last fragment, which may be odd
26 *
27 * it's best to have buff aligned on a 32-bit boundary
28 */
29extern __wsum csum_partial(const void *buff, int len, __wsum sum);
30
31/*
32 * the same as csum_partial, but copies from src while it
33 * checksums
34 *
35 * here even more important to align src and dst on a 32-bit (or even
36 * better 64-bit) boundary
37 */
38extern __wsum csum_partial_copy_nocheck(const void *src,
39 void *dst, int len, __wsum sum);
40
41
42/*
43 * the same as csum_partial_copy, but copies from user space.
44 *
45 * here even more important to align src and dst on a 32-bit (or even
46 * better 64-bit) boundary
47 */
48extern __wsum csum_partial_copy_from_user (const void *src,
49 void *dst,
50 int len, __wsum sum,
51 int *csum_err);
52
53__sum16 ip_fast_csum(const void *iph, unsigned int ihl);
54
55/*
56 * Fold a partial checksum
57 */
58static inline __sum16 csum_fold (__wsum sum)
59{
60 unsigned int result;
61 /*
62 %0 %1
63 hsw %1, %0 H L L H
64 add %1, %0 H L H+L+C H+L
65 */
66 asm ("hsw %1, %0; add %1, %0" : "=&r" (result) : "r" (sum));
67 return (__force __sum16)(~result >> 16);
68}
69
70
71/*
72 * computes the checksum of the TCP/UDP pseudo-header
73 * returns a 16-bit checksum, already complemented
74 */
75static inline __wsum
76csum_tcpudp_nofold (__be32 saddr, __be32 daddr,
77 unsigned short len,
78 unsigned short proto, __wsum sum)
79{
80 int __carry;
81 __asm__ ("add %2, %0;"
82 "setf c, %1;"
83 "add %1, %0;"
84 "add %3, %0;"
85 "setf c, %1;"
86 "add %1, %0;"
87 "add %4, %0;"
88 "setf c, %1;"
89 "add %1, %0"
90 : "=&r" (sum), "=&r" (__carry)
91 : "r" (daddr), "r" (saddr),
92 "r" ((len + proto) << 8),
93 "0" (sum));
94 return sum;
95}
96
97static inline __sum16
98csum_tcpudp_magic (__be32 saddr, __be32 daddr,
99 unsigned short len,
100 unsigned short proto, __wsum sum)
101{
102 return csum_fold (csum_tcpudp_nofold (saddr, daddr, len, proto, sum));
103}
104
105/*
106 * this routine is used for miscellaneous IP-like checksums, mainly
107 * in icmp.c
108 */
109extern __sum16 ip_compute_csum(const void *buff, int len);
110
111
112#endif /* __V850_CHECKSUM_H__ */