diff options
| author | Paul Mackerras <paulus@samba.org> | 2008-03-13 15:26:33 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-03-13 15:26:33 +1100 |
| commit | bed04a4413376265746053be2a9cfbfc80c98ec9 (patch) | |
| tree | 8f582294a655f70496cd08aedeb86de31dbad140 /drivers/infiniband/hw/nes/nes.h | |
| parent | e37c772e36a7943b2e0bd8f48312e78474c0df15 (diff) | |
| parent | c463be3520065ef8c05e3cbdf946c69604e91ceb (diff) | |
Merge branch 'linux-2.6'
Diffstat (limited to 'drivers/infiniband/hw/nes/nes.h')
| -rw-r--r-- | drivers/infiniband/hw/nes/nes.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/nes/nes.h b/drivers/infiniband/hw/nes/nes.h index fd57e8a1582..a48b288618e 100644 --- a/drivers/infiniband/hw/nes/nes.h +++ b/drivers/infiniband/hw/nes/nes.h @@ -285,6 +285,21 @@ struct nes_device { }; +static inline __le32 get_crc_value(struct nes_v4_quad *nes_quad) +{ + u32 crc_value; + crc_value = crc32c(~0, (void *)nes_quad, sizeof (struct nes_v4_quad)); + + /* + * With commit ef19454b ("[LIB] crc32c: Keep intermediate crc + * state in cpu order"), behavior of crc32c changes on + * big-endian platforms. Our algorithm expects the previous + * behavior; otherwise we have RDMA connection establishment + * issue on big-endian. + */ + return cpu_to_le32(crc_value); +} + static inline void set_wqe_64bit_value(__le32 *wqe_words, u32 index, u64 value) { |