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authorSimon Glass <sjg@chromium.org>2015-01-19 22:16:09 -0700
committerSimon Glass <sjg@chromium.org>2015-01-24 06:13:44 -0700
commitb18c68d8918095672b295aef7bfbfc466b82c710 (patch)
tree2094482b6b58739fdbafff8ce77de9510f29fef2 /arch
parent9b0e35cb4889eb04a7ea5dd648d73df0bf37cc68 (diff)
downloadblackbird-obmc-uboot-b18c68d8918095672b295aef7bfbfc466b82c710.tar.gz
blackbird-obmc-uboot-b18c68d8918095672b295aef7bfbfc466b82c710.zip
x86: Use ipchecksum from net/
The existing IP checksum function is only accessible to the 'coreboot' cpu. Drop it in favour of the new code in the network subsystem. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/cpu/coreboot/Makefile1
-rw-r--r--arch/x86/cpu/coreboot/ipchecksum.c55
-rw-r--r--arch/x86/cpu/coreboot/tables.c8
-rw-r--r--arch/x86/include/asm/arch-coreboot/ipchecksum.h37
4 files changed, 4 insertions, 97 deletions
diff --git a/arch/x86/cpu/coreboot/Makefile b/arch/x86/cpu/coreboot/Makefile
index 35e6cdd741..b6e870a7cb 100644
--- a/arch/x86/cpu/coreboot/Makefile
+++ b/arch/x86/cpu/coreboot/Makefile
@@ -16,7 +16,6 @@
obj-y += car.o
obj-y += coreboot.o
obj-y += tables.o
-obj-y += ipchecksum.o
obj-y += sdram.o
obj-y += timestamp.o
obj-$(CONFIG_PCI) += pci.o
diff --git a/arch/x86/cpu/coreboot/ipchecksum.c b/arch/x86/cpu/coreboot/ipchecksum.c
deleted file mode 100644
index 3340872a87..0000000000
--- a/arch/x86/cpu/coreboot/ipchecksum.c
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * This file is part of the libpayload project.
- *
- * It has originally been taken from the FreeBSD project.
- *
- * Copyright (c) 2001 Charles Mott <cm@linktel.net>
- * Copyright (c) 2008 coresystems GmbH
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <linux/types.h>
-#include <linux/compiler.h>
-#include <asm/arch/ipchecksum.h>
-
-unsigned short ipchksum(const void *vptr, unsigned long 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);
- return ~sum;
-}
diff --git a/arch/x86/cpu/coreboot/tables.c b/arch/x86/cpu/coreboot/tables.c
index 92b75286b1..2b12b19ba2 100644
--- a/arch/x86/cpu/coreboot/tables.c
+++ b/arch/x86/cpu/coreboot/tables.c
@@ -8,7 +8,7 @@
*/
#include <common.h>
-#include <asm/arch/ipchecksum.h>
+#include <net.h>
#include <asm/arch/sysinfo.h>
#include <asm/arch/tables.h>
@@ -131,11 +131,11 @@ static int cb_parse_header(void *addr, int len, struct sysinfo_t *info)
return 0;
/* Make sure the checksums match. */
- if (ipchksum((u16 *) header, sizeof(*header)) != 0)
+ if (!ip_checksum_ok(header, sizeof(*header)))
return -1;
- if (ipchksum((u16 *) (ptr + sizeof(*header)),
- header->table_bytes) != header->table_checksum)
+ if (compute_ip_checksum(ptr + sizeof(*header), header->table_bytes) !=
+ header->table_checksum)
return -1;
/* Now, walk the tables. */
diff --git a/arch/x86/include/asm/arch-coreboot/ipchecksum.h b/arch/x86/include/asm/arch-coreboot/ipchecksum.h
deleted file mode 100644
index 1d73b4d912..0000000000
--- a/arch/x86/include/asm/arch-coreboot/ipchecksum.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * This file is part of the libpayload project.
- *
- * It has originally been taken from the FreeBSD project.
- *
- * Copyright (c) 2001 Charles Mott <cm@linktel.net>
- * Copyright (c) 2008 coresystems GmbH
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef _COREBOOT_IPCHECKSUM_H
-#define _COREBOOT_IPCHECKSUM_H
-
-unsigned short ipchksum(const void *vptr, unsigned long nbytes);
-
-#endif
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