Merge branch 'fix/hda' into topic/hda

[linux-2.6-omap-h63xx.git] / include / net / sctp / checksum.h

diff --git a/include/net/sctp/checksum.h b/include/net/sctp/checksum.h
index ba75c67cb992da5b56b97c67dee427c6e26d3f87..2fec3c366e81cb18a0d10da0f2d506ea44008e9b 100644 (file)
--- a/include/net/sctp/checksum.h
+++ b/include/net/sctp/checksum.h
@@ -46,9 +46,14 @@
 #include <net/sctp/sctp.h>
 #include <linux/crc32c.h>
 
-static inline __u32 sctp_start_cksum(__u8 *buffer, __u16 length)
+static inline __be32 sctp_crc32c(__be32 crc, u8 *buffer, u16 length)
 {
-       __u32 crc = ~(__u32) 0;
+       return (__force __be32)crc32c((__force u32)crc, buffer, length);
+}
+
+static inline __be32 sctp_start_cksum(__u8 *buffer, __u16 length)
+{
+       __be32 crc = ~cpu_to_be32(0);
        __u8  zero[sizeof(__u32)] = {0};
 
        /* Optimize this routine to be SCTP specific, knowing how
@@ -56,23 +61,23 @@ static inline __u32 sctp_start_cksum(__u8 *buffer, __u16 length)
         */
 
        /* Calculate CRC up to the checksum. */
-       crc = crc32c(crc, buffer, sizeof(struct sctphdr) - sizeof(__u32));
+       crc = sctp_crc32c(crc, buffer, sizeof(struct sctphdr) - sizeof(__u32));
 
        /* Skip checksum field of the header. */
-       crc = crc32c(crc, zero, sizeof(__u32));
+       crc = sctp_crc32c(crc, zero, sizeof(__u32));
 
        /* Calculate the rest of the CRC. */
-       crc = crc32c(crc, &buffer[sizeof(struct sctphdr)],
+       crc = sctp_crc32c(crc, &buffer[sizeof(struct sctphdr)],
                            length - sizeof(struct sctphdr));
        return crc;
 }
 
-static inline __u32 sctp_update_cksum(__u8 *buffer, __u16 length, __u32 crc32)
+static inline __be32 sctp_update_cksum(__u8 *buffer, __u16 length, __be32 crc32)
 {
-       return crc32c(crc32, buffer, length);
+       return sctp_crc32c(crc32, buffer, length);
 }
 
-static inline __u32 sctp_end_cksum(__u32 crc32)
+static inline __be32 sctp_end_cksum(__be32 crc32)
 {
-       return ntohl(~crc32);
+       return (__force __be32)~cpu_to_le32((__force u32)crc32);
 }