Thread (23 messages) 23 messages, 2 authors, 2021-03-29
STALE1899d
Revisions (4)
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  4. v5 [diff vs current]

[PATCH v4 bpf-next 03/17] selftests: xsk: remove unused function

From: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Date: 2021-03-26 23:22:17
Also in: bpf
Subsystem: bpf [general] (safe dynamic programs and tools), bpf [selftests] (test runners & infrastructure), kernel selftest framework, the rest, xdp (express data path) · Maintainers: Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Shuah Khan, Linus Torvalds, David S. Miller, Jakub Kicinski, Jesper Dangaard Brouer, John Fastabend

Probably it was ported from xdpsock but is not used anywhere.

Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
---
 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
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