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-rw-r--r--drivers/infiniband/hw/nes/nes.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/nes/nes.h b/drivers/infiniband/hw/nes/nes.h
index fd57e8a1582f..a48b288618ec 100644
--- a/drivers/infiniband/hw/nes/nes.h
+++ b/drivers/infiniband/hw/nes/nes.h
@@ -285,6 +285,21 @@ struct nes_device {
285}; 285};
286 286
287 287
288static inline __le32 get_crc_value(struct nes_v4_quad *nes_quad)
289{
290 u32 crc_value;
291 crc_value = crc32c(~0, (void *)nes_quad, sizeof (struct nes_v4_quad));
292
293 /*
294 * With commit ef19454b ("[LIB] crc32c: Keep intermediate crc
295 * state in cpu order"), behavior of crc32c changes on
296 * big-endian platforms. Our algorithm expects the previous
297 * behavior; otherwise we have RDMA connection establishment
298 * issue on big-endian.
299 */
300 return cpu_to_le32(crc_value);
301}
302
288static inline void 303static inline void
289set_wqe_64bit_value(__le32 *wqe_words, u32 index, u64 value) 304set_wqe_64bit_value(__le32 *wqe_words, u32 index, u64 value)
290{ 305{