netdev - [PATCH ethtool 2/2] Use htobe64, htobe16 from libc instead of local byteswap code

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1396494376-6521-2-git-send-email-crrodriguez@opensuse.org>
Date:	Thu,  3 Apr 2014 00:06:16 -0300
From:	Cristian Rodríguez <crrodriguez@...nsuse.org>
To:	netdev@...r.kernel.org
Cc:	ben@...adent.org.uk,
	Cristian Rodríguez <crrodriguez@...nsuse.org>
Subject: [PATCH ethtool 2/2] Use htobe64, htobe16 from libc instead of local byteswap code

They are implemented in <endian.h> which is already included
in internal.h, no need to reinvent them with different names.

Signed-off-by: Cristian Rodríguez <crrodriguez@...nsuse.org>
---
 ethtool.c  |  2 +-
 internal.h | 31 -------------------------------
 rxclass.c  |  4 ++--
 3 files changed, 3 insertions(+), 34 deletions(-)

diff --git a/ethtool.c b/ethtool.c
index acb4397..e47ce0b 100644
--- a/ethtool.c
+++ b/ethtool.c
@@ -368,7 +368,7 @@ static void parse_generic_cmdline(struct cmd_context *ctx,
 				}
 				case CMDL_BE16: {
 					u16 *p = info[idx].wanted_val;
-					*p = cpu_to_be16(
+					*p = htobe16(
 						get_uint_range(argp[i], 0,
 							       0xffff));
 					break;
diff --git a/internal.h b/internal.h
index 86a64f2..7e7266b 100644
--- a/internal.h
+++ b/internal.h
@@ -31,37 +31,6 @@ typedef __int32_t s32;
 #include "ethtool-copy.h"
 #include "net_tstamp-copy.h"
 
-#if __BYTE_ORDER == __BIG_ENDIAN
-static inline u16 cpu_to_be16(u16 value)
-{
-	return value;
-}
-static inline u32 cpu_to_be32(u32 value)
-{
-	return value;
-}
-static inline u64 cpu_to_be64(u64 value)
-{
-	return value;
-}
-#else
-static inline u16 cpu_to_be16(u16 value)
-{
-	return (value >> 8) | (value << 8);
-}
-static inline u32 cpu_to_be32(u32 value)
-{
-	return cpu_to_be16(value >> 16) | (cpu_to_be16(value) << 16);
-}
-static inline u64 cpu_to_be64(u64 value)
-{
-	return cpu_to_be32(value >> 32) | ((u64)cpu_to_be32(value) << 32);
-}
-#endif
-
-#define ntohll cpu_to_be64
-#define htonll cpu_to_be64
-
 #define BITS_PER_BYTE		8
 #define BITS_PER_LONG		(BITS_PER_BYTE * sizeof(long))
 #define DIV_ROUND_UP(n, d)	(((n) + (d) - 1) / (d))
diff --git a/rxclass.c b/rxclass.c
index cd686a3..a013e06 100644
--- a/rxclass.c
+++ b/rxclass.c
@@ -836,7 +836,7 @@ static int rxclass_get_val(char *str, unsigned char *p, u32 *flags,
 		err = rxclass_get_ulong(str, &val, 64);
 		if (err)
 			return -1;
-		*(__be64 *)&p[opt->offset] = htonll((u64)val);
+		*(__be64 *)&p[opt->offset] = htobe64((u64)val);
 		if (opt->moffset >= 0)
 			*(__be64 *)&p[opt->moffset] = (__be64)mask;
 		break;
@@ -939,7 +939,7 @@ static int rxclass_get_mask(char *str, unsigned char *p,
 		err = rxclass_get_ulong(str, &val, 64);
 		if (err)
 			return -1;
-		*(__be64 *)&p[opt->moffset] = ~htonll((u64)val);
+		*(__be64 *)&p[opt->moffset] = ~htobe64((u64)val);
 		break;
 	}
 	case OPT_IP4: {
-- 
1.8.4.5

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html