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-rw-r--r--net/Makefile1
-rw-r--r--net/checksum.c59
2 files changed, 0 insertions, 60 deletions
diff --git a/net/Makefile b/net/Makefile
index 2a700c8401..fef71b940a 100644
--- a/net/Makefile
+++ b/net/Makefile
@@ -5,7 +5,6 @@
#ccflags-y += -DDEBUG
-obj-y += checksum.o
obj-$(CONFIG_NET) += arp.o
obj-$(CONFIG_CMD_BOOTP) += bootp.o
obj-$(CONFIG_CMD_CDP) += cdp.o
diff --git a/net/checksum.c b/net/checksum.c
deleted file mode 100644
index 16ef416356..0000000000
--- a/net/checksum.c
+++ /dev/null
@@ -1,59 +0,0 @@
-// SPDX-License-Identifier: BSD-2-Clause
-/*
- * This file was originally taken from the FreeBSD project.
- *
- * Copyright (c) 2001 Charles Mott <cm@linktel.net>
- * Copyright (c) 2008 coresystems GmbH
- * All rights reserved.
- */
-
-#include <common.h>
-#include <net.h>
-
-unsigned compute_ip_checksum(const void *vptr, unsigned nbytes)
-{
- int sum, oddbyte;
- const unsigned short *ptr = vptr;
-
- sum = 0;
- while (nbytes > 1) {
- sum += *ptr++;
- nbytes -= 2;
- }
- if (nbytes == 1) {
- oddbyte = 0;
- ((u8 *)&oddbyte)[0] = *(u8 *)ptr;
- ((u8 *)&oddbyte)[1] = 0;
- sum += oddbyte;
- }
- sum = (sum >> 16) + (sum & 0xffff);
- sum += (sum >> 16);
- sum = ~sum & 0xffff;
-
- return sum;
-}
-
-unsigned add_ip_checksums(unsigned offset, unsigned sum, unsigned new)
-{
- unsigned long checksum;
-
- sum = ~sum & 0xffff;
- new = ~new & 0xffff;
- if (offset & 1) {
- /*
- * byte-swap the sum if it came from an odd offset; since the
- * computation is endian independant this works.
- */
- new = ((new >> 8) & 0xff) | ((new << 8) & 0xff00);
- }
- checksum = sum + new;
- if (checksum > 0xffff)
- checksum -= 0xffff;
-
- return (~checksum) & 0xffff;
-}
-
-int ip_checksum_ok(const void *addr, unsigned nbytes)
-{
- return !(compute_ip_checksum(addr, nbytes) & 0xfffe);
-}