#include #include /* * Robert Jenkin's hash function. * http://burtleburtle.net/bob/hash/evahash.html * This is in the public domain. */ #define mix(a, b, c) \ do { \ a = a - b; a = a - c; a = a ^ (c >> 13); \ b = b - c; b = b - a; b = b ^ (a << 8); \ c = c - a; c = c - b; c = c ^ (b >> 13); \ a = a - b; a = a - c; a = a ^ (c >> 12); \ b = b - c; b = b - a; b = b ^ (a << 16); \ c = c - a; c = c - b; c = c ^ (b >> 5); \ a = a - b; a = a - c; a = a ^ (c >> 3); \ b = b - c; b = b - a; b = b ^ (a << 10); \ c = c - a; c = c - b; c = c ^ (b >> 15); \ } while (0) unsigned int ceph_str_hash_rjenkins(const char *str, unsigned int length) { const unsigned char *k = (const unsigned char *)str; __u32 a, b, c; /* the internal state */ __u32 len; /* how many key bytes still need mixing */ /* Set up the internal state */ len = length; a = 0x9e3779b9; /* the golden ratio; an arbitrary value */ b = a; c = 0; /* variable initialization of internal state */ /* handle most of the key */ while (len >= 12) { a = a + (k[0] + ((__u32)k[1] << 8) + ((__u32)k[2] << 16) + ((__u32)k[3] << 24)); b = b + (k[4] + ((__u32)k[5] << 8) + ((__u32)k[6] << 16) + ((__u32)k[7] << 24)); c = c + (k[8] + ((__u32)k[9] << 8) + ((__u32)k[10] << 16) + ((__u32)k[11] << 24)); mix(a, b, c); k = k + 12; len = len - 12; } /* handle the last 11 bytes */ c = c + length; switch (len) { /* all the case statements fall through */ case 11: c = c + ((__u32)k[10] << 24); case 10: c = c + ((__u32)k[9] << 16); case 9: c = c + ((__u32)k[8] << 8); /* the first byte of c is reserved for the length */ case 8: b = b + ((__u32)k[7] << 24); case 7: b = b + ((__u32)k[6] << 16); case 6: b = b + ((__u32)k[5] << 8); case 5: b = b + k[4]; case 4: a = a + ((__u32)k[3] << 24); case 3: a = a + ((__u32)k[2] << 16); case 2: a = a + ((__u32)k[1] << 8); case 1: a = a + k[0]; /* case 0: nothing left to add */ } mix(a, b, c); return c; } /* * linux dcache hash */ unsigned int ceph_str_hash_linux(const char *str, unsigned int length) { unsigned long hash = 0; unsigned char c; while (length--) { c = *str++; hash = (hash + (c << 4) + (c >> 4)) * 11; } return hash; } unsigned int ceph_str_hash(int type, const char *s, unsigned int len) { switch (type) { case CEPH_STR_HASH_LINUX: return ceph_str_hash_linux(s, len); case CEPH_STR_HASH_RJENKINS: return ceph_str_hash_rjenkins(s, len); default: return -1; } } EXPORT_SYMBOL(ceph_str_hash); const char *ceph_str_hash_name(int type) { switch (type) { case CEPH_STR_HASH_LINUX: return "linux"; case CEPH_STR_HASH_RJENKINS: return "rjenkins"; default: return "unknown"; } } EXPORT_SYMBOL(ceph_str_hash_name); ommit/net/kcm?id=24d615a694d649aa2e167c3f97f62bdad07e3f84'>kcm/Makefile
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authorAleksander Morgado <aleksander@aleksander.es>2017-01-18 21:31:31 +0100
committerJohan Hovold <johan@kernel.org>2017-01-19 09:08:37 +0100
commit24d615a694d649aa2e167c3f97f62bdad07e3f84 (patch)
tree2fe33c115bdec6bf4b01e27afd90bb16fa668e22 /net/kcm/Makefile
parent49def1853334396f948dcb4cedb9347abb318df5 (diff)
USB: serial: qcserial: add Dell DW5570 QDL
The Dell DW5570 is a re-branded Sierra Wireless MC8805 which will by default boot with vid 0x413c and pid 0x81a3. When triggered QDL download mode, the device switches to pid 0x81a6 and provides the standard TTY used for firmware upgrade. Cc: <stable@vger.kernel.org> Signed-off-by: Aleksander Morgado <aleksander@aleksander.es> Signed-off-by: Johan Hovold <johan@kernel.org>
Diffstat (limited to 'net/kcm/Makefile')