diff options
author | Jeff Garzik <jgarzik@pobox.com> | 2005-10-28 18:48:57 -0400 |
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committer | Jeff Garzik <jgarzik@pobox.com> | 2005-10-28 18:48:57 -0400 |
commit | 596c96ba06e5d56e72451e02f93f4e15e17458df (patch) | |
tree | 78bc640acacb8faeb621c51296e99dbb0533a147 /net/bluetooth/rfcomm/core.c | |
parent | ad18b0ea089928367185e13d11424aea91d4b41f (diff) | |
parent | 20731945ae743034353a88c307920d1f16cf8ac8 (diff) |
Merge branch 'master'
Diffstat (limited to 'net/bluetooth/rfcomm/core.c')
-rw-r--r-- | net/bluetooth/rfcomm/core.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c index 35adce6482b6..c3d56ead840c 100644 --- a/net/bluetooth/rfcomm/core.c +++ b/net/bluetooth/rfcomm/core.c | |||
@@ -133,6 +133,49 @@ static inline void rfcomm_session_put(struct rfcomm_session *s) | |||
133 | 133 | ||
134 | /* ---- RFCOMM FCS computation ---- */ | 134 | /* ---- RFCOMM FCS computation ---- */ |
135 | 135 | ||
136 | /* reversed, 8-bit, poly=0x07 */ | ||
137 | static unsigned char rfcomm_crc_table[256] = { | ||
138 | 0x00, 0x91, 0xe3, 0x72, 0x07, 0x96, 0xe4, 0x75, | ||
139 | 0x0e, 0x9f, 0xed, 0x7c, 0x09, 0x98, 0xea, 0x7b, | ||
140 | 0x1c, 0x8d, 0xff, 0x6e, 0x1b, 0x8a, 0xf8, 0x69, | ||
141 | 0x12, 0x83, 0xf1, 0x60, 0x15, 0x84, 0xf6, 0x67, | ||
142 | |||
143 | 0x38, 0xa9, 0xdb, 0x4a, 0x3f, 0xae, 0xdc, 0x4d, | ||
144 | 0x36, 0xa7, 0xd5, 0x44, 0x31, 0xa0, 0xd2, 0x43, | ||
145 | 0x24, 0xb5, 0xc7, 0x56, 0x23, 0xb2, 0xc0, 0x51, | ||
146 | 0x2a, 0xbb, 0xc9, 0x58, 0x2d, 0xbc, 0xce, 0x5f, | ||
147 | |||
148 | 0x70, 0xe1, 0x93, 0x02, 0x77, 0xe6, 0x94, 0x05, | ||
149 | 0x7e, 0xef, 0x9d, 0x0c, 0x79, 0xe8, 0x9a, 0x0b, | ||
150 | 0x6c, 0xfd, 0x8f, 0x1e, 0x6b, 0xfa, 0x88, 0x19, | ||
151 | 0x62, 0xf3, 0x81, 0x10, 0x65, 0xf4, 0x86, 0x17, | ||
152 | |||
153 | 0x48, 0xd9, 0xab, 0x3a, 0x4f, 0xde, 0xac, 0x3d, | ||
154 | 0x46, 0xd7, 0xa5, 0x34, 0x41, 0xd0, 0xa2, 0x33, | ||
155 | 0x54, 0xc5, 0xb7, 0x26, 0x53, 0xc2, 0xb0, 0x21, | ||
156 | 0x5a, 0xcb, 0xb9, 0x28, 0x5d, 0xcc, 0xbe, 0x2f, | ||
157 | |||
158 | 0xe0, 0x71, 0x03, 0x92, 0xe7, 0x76, 0x04, 0x95, | ||
159 | 0xee, 0x7f, 0x0d, 0x9c, 0xe9, 0x78, 0x0a, 0x9b, | ||
160 | 0xfc, 0x6d, 0x1f, 0x8e, 0xfb, 0x6a, 0x18, 0x89, | ||
161 | 0xf2, 0x63, 0x11, 0x80, 0xf5, 0x64, 0x16, 0x87, | ||
162 | |||
163 | 0xd8, 0x49, 0x3b, 0xaa, 0xdf, 0x4e, 0x3c, 0xad, | ||
164 | 0xd6, 0x47, 0x35, 0xa4, 0xd1, 0x40, 0x32, 0xa3, | ||
165 | 0xc4, 0x55, 0x27, 0xb6, 0xc3, 0x52, 0x20, 0xb1, | ||
166 | 0xca, 0x5b, 0x29, 0xb8, 0xcd, 0x5c, 0x2e, 0xbf, | ||
167 | |||
168 | 0x90, 0x01, 0x73, 0xe2, 0x97, 0x06, 0x74, 0xe5, | ||
169 | 0x9e, 0x0f, 0x7d, 0xec, 0x99, 0x08, 0x7a, 0xeb, | ||
170 | 0x8c, 0x1d, 0x6f, 0xfe, 0x8b, 0x1a, 0x68, 0xf9, | ||
171 | 0x82, 0x13, 0x61, 0xf0, 0x85, 0x14, 0x66, 0xf7, | ||
172 | |||
173 | 0xa8, 0x39, 0x4b, 0xda, 0xaf, 0x3e, 0x4c, 0xdd, | ||
174 | 0xa6, 0x37, 0x45, 0xd4, 0xa1, 0x30, 0x42, 0xd3, | ||
175 | 0xb4, 0x25, 0x57, 0xc6, 0xb3, 0x22, 0x50, 0xc1, | ||
176 | 0xba, 0x2b, 0x59, 0xc8, 0xbd, 0x2c, 0x5e, 0xcf | ||
177 | }; | ||
178 | |||
136 | /* CRC on 2 bytes */ | 179 | /* CRC on 2 bytes */ |
137 | #define __crc(data) (rfcomm_crc_table[rfcomm_crc_table[0xff ^ data[0]] ^ data[1]]) | 180 | #define __crc(data) (rfcomm_crc_table[rfcomm_crc_table[0xff ^ data[0]] ^ data[1]]) |
138 | 181 | ||