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| author | Christoph Lameter <clameter@sgi.com> | 2008-03-03 11:18:08 -0800 |
|---|---|---|
| committer | Christoph Lameter <clameter@sgi.com> | 2008-03-03 11:18:08 -0800 |
| commit | 27710bf6febe8323f78bceca002ca7d71e5012a7 (patch) | |
| tree | 80a72f385ea28f9f7649363fe5147b3da37f9950 /drivers/infiniband/hw/nes/nes.h | |
| parent | 9ef64cb4320df821638b508f79aa8b858cca99f0 (diff) | |
| parent | cad226b8a71f969ad05137e43b48c9e6059a0b9f (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/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) { |