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| author | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2015-08-16 10:20:58 +0300 |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2015-08-16 10:20:58 +0300 |
| commit | 473e0bc39bd5d2542e90edc622a65bd49206409d (patch) | |
| tree | bd31cc370c386228d4525a9e84d87d412acd6959 /lib/crc-t10dif.c | |
| parent | 1a84e7716086be3b90e3b735725d0a14da28a69c (diff) | |
| parent | 8f9c98df949333f08b74e5df1caacf7e2c5e8552 (diff) | |
Merge tag 'mac80211-next-for-davem-2015-08-14' into next
Another pull request for the next cycle, this time with quite
a bit of content:
* mesh fixes/improvements from Alexis, Bob, Chun-Yeow and Jesse
* TDLS higher bandwidth support (Arik)
* OCB fixes from Bertold Van den Bergh
* suspend/resume fixes from Eliad
* dynamic SMPS support for minstrel-HT (Krishna Chaitanya)
* VHT bitrate mask support (Lorenzo Bianconi)
* better regulatory support for 5/10 MHz channels (Matthias May)
* basic support for MU-MIMO to avoid the multi-vif issue (Sara Sharon)
along with a number of other cleanups.
Diffstat (limited to 'lib/crc-t10dif.c')
| -rw-r--r-- | lib/crc-t10dif.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/lib/crc-t10dif.c b/lib/crc-t10dif.c index dfe6ec17c0a5..1ad33e555805 100644 --- a/lib/crc-t10dif.c +++ b/lib/crc-t10dif.c @@ -19,7 +19,7 @@ static struct crypto_shash *crct10dif_tfm; static struct static_key crct10dif_fallback __read_mostly; -__u16 crc_t10dif(const unsigned char *buffer, size_t len) +__u16 crc_t10dif_update(__u16 crc, const unsigned char *buffer, size_t len) { struct { struct shash_desc shash; @@ -28,17 +28,23 @@ __u16 crc_t10dif(const unsigned char *buffer, size_t len) int err; if (static_key_false(&crct10dif_fallback)) - return crc_t10dif_generic(0, buffer, len); + return crc_t10dif_generic(crc, buffer, len); desc.shash.tfm = crct10dif_tfm; desc.shash.flags = 0; - *(__u16 *)desc.ctx = 0; + *(__u16 *)desc.ctx = crc; err = crypto_shash_update(&desc.shash, buffer, len); BUG_ON(err); return *(__u16 *)desc.ctx; } +EXPORT_SYMBOL(crc_t10dif_update); + +__u16 crc_t10dif(const unsigned char *buffer, size_t len) +{ + return crc_t10dif_update(0, buffer, len); +} EXPORT_SYMBOL(crc_t10dif); static int __init crc_t10dif_mod_init(void) |