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

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Date:   Sat, 27 Mar 2021 00:09:24 +0100
From:   Maciej Fijalkowski <maciej.fijalkowski@...el.com>
To:     bpf@...r.kernel.org, netdev@...r.kernel.org, daniel@...earbox.net,
        ast@...nel.org, andrii@...nel.org
Cc:     bjorn.topel@...el.com, magnus.karlsson@...el.com,
        ciara.loftus@...el.com, john.fastabend@...il.com, toke@...hat.com,
        Maciej Fijalkowski <maciej.fijalkowski@...el.com>
Subject: [PATCH v4 bpf-next 03/17] selftests: xsk: remove unused function

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

Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@...el.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