Probably it was ported from xdpsock but is not used anywhere.
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@xxxxxxxxx>
---
tools/testing/selftests/bpf/xdpxceiver.c | 13 -------------
1 file changed, 13 deletions(-)
diff --git a/tools/testing/selftests/bpf/xdpxceiver.c b/tools/testing/selftests/bpf/xdpxceiver.c
index 04bc007d5b08..6769e9e2de17 100644
--- a/tools/testing/selftests/bpf/xdpxceiver.c
+++ b/tools/testing/selftests/bpf/xdpxceiver.c
@@ -153,19 +153,6 @@ static void *memset32_htonl(void *dest, u32 val, u32 size)
return dest;
}
-/*
- * This function code has been taken from
- * Linux kernel lib/checksum.c
- */
-static inline unsigned short from32to16(unsigned int x)
-{
- /* add up 16-bit and 16-bit for 16+c bit */
- x = (x & 0xffff) + (x >> 16);
- /* add up carry.. */
- x = (x & 0xffff) + (x >> 16);
- return x;
-}
-
/*
* Fold a partial checksum
* This function code has been taken from
--
2.20.1
