diff mbox series

[API-NEXT,v3,2/3] helper: use new odp checksum API

Message ID 1511190013-8520-3-git-send-email-odpbot@yandex.ru
State New
Headers show
Series [API-NEXT,v3,1/3] example: switch to using ODP chksum API | expand

Commit Message

Github ODP bot Nov. 20, 2017, 3 p.m. UTC 
From: Dmitry Eremin-Solenikov <dmitry.ereminsolenikov@linaro.org>


Use odp_chksum_ones_comp16 which may be platform-optimized. This removes
now unnecessary odph_cksum() function.

Signed-off-by: Dmitry Eremin-Solenikov <dmitry.ereminsolenikov@linaro.org>

---
/** Email created from pull request 280 (lumag:chksum)
 ** https://github.com/Linaro/odp/pull/280
 ** Patch: https://github.com/Linaro/odp/pull/280.patch
 ** Base sha: d4b364849c4abb4c71e0c5260e1a793ebb8dc97d
 ** Merge commit sha: 9fda6f107cef0c4074880995a90b30cbeac27ce8
 **/
 helper/include/odp/helper/chksum.h | 27 ---------------------------
 helper/include/odp/helper/ip.h     |  2 +-
 2 files changed, 1 insertion(+), 28 deletions(-)
diff mbox series

Patch

diff --git a/helper/include/odp/helper/chksum.h b/helper/include/odp/helper/chksum.h
index 1bf950c8b..ed2de91fb 100644
--- a/helper/include/odp/helper/chksum.h
+++ b/helper/include/odp/helper/chksum.h
@@ -34,33 +34,6 @@  typedef enum {
 	ODPH_CHKSUM_RETURN    /**< Don't generate or verify chksum */
 } odph_chksum_op_t;
 
-/**
- * Checksum
- *
- * @param buffer calculate chksum for buffer
- * @param len    buffer length
- *
- * @return checksum value in network order
- */
-static inline odp_u16sum_t odph_chksum(void *buffer, int len)
-{
-	uint16_t *buf = (uint16_t *)buffer;
-	uint32_t sum = 0;
-	uint16_t result;
-
-	for (sum = 0; len > 1; len -= 2)
-		sum += *buf++;
-
-	if (len == 1)
-		sum += *(unsigned char *)buf;
-
-	sum = (sum >> 16) + (sum & 0xFFFF);
-	sum += (sum >> 16);
-	result = ~sum;
-
-	return  (__odp_force odp_u16sum_t) result;
-}
-
 /**
  * General Purpose TCP/UDP checksum function
  *
diff --git a/helper/include/odp/helper/ip.h b/helper/include/odp/helper/ip.h
index c6eb9d767..b96aab280 100644
--- a/helper/include/odp/helper/ip.h
+++ b/helper/include/odp/helper/ip.h
@@ -125,7 +125,7 @@  static inline int odph_ipv4_csum(odp_packet_t pkt,
 	if (odp_unlikely(res < 0))
 		return res;
 
-	*chksum = odph_chksum(buf, nleft);
+	*chksum = ~odp_chksum_ones_comp16(buf, nleft);
 
 	return 0;
 }