diff options
| author | Harald Welte <laforge@netfilter.org> | 2005-08-13 13:55:44 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2005-08-29 15:57:59 -0700 |
| commit | 0ba2c6e8c0fb5cde5a23a213c2e7cb851b85c310 (patch) | |
| tree | 62317e893be4261f456d666efd1105b7871d36b9 | |
| parent | 17b085eacef81a6286bd478f2ec75e04abb091cb (diff) | |
| download | lwn-0ba2c6e8c0fb5cde5a23a213c2e7cb851b85c310.tar.gz lwn-0ba2c6e8c0fb5cde5a23a213c2e7cb851b85c310.zip | |
[NETFILTER]: introduce and use aligned_u64 data type
As proposed by Andi Kleen, this is required esp. for x86_64 architecture,
where 64bit code needs 8byte aligned 64bit data types, but 32bit userspace
apps will only align to 4bytes.
Signed-off-by: Harald Welte <laforge@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/linux/netfilter/nfnetlink_log.h | 5 | ||||
| -rw-r--r-- | include/linux/netfilter/nfnetlink_queue.h | 5 | ||||
| -rw-r--r-- | include/linux/types.h | 3 |
3 files changed, 9 insertions, 4 deletions
diff --git a/include/linux/netfilter/nfnetlink_log.h b/include/linux/netfilter/nfnetlink_log.h index a61836a083e7..b04b03880595 100644 --- a/include/linux/netfilter/nfnetlink_log.h +++ b/include/linux/netfilter/nfnetlink_log.h @@ -5,6 +5,7 @@ * and not any kind of function definitions. It is shared between kernel and * userspace. Don't put kernel specific stuff in here */ +#include <linux/types.h> #include <linux/netfilter/nfnetlink.h> enum nfulnl_msg_types { @@ -27,8 +28,8 @@ struct nfulnl_msg_packet_hw { } __attribute__ ((packed)); struct nfulnl_msg_packet_timestamp { - u_int64_t sec; - u_int64_t usec; + aligned_u64 sec; + aligned_u64 usec; } __attribute__ ((packed)); #define NFULNL_PREFIXLEN 30 /* just like old log target */ diff --git a/include/linux/netfilter/nfnetlink_queue.h b/include/linux/netfilter/nfnetlink_queue.h index 2d8d2b2cfcaa..9e774373244c 100644 --- a/include/linux/netfilter/nfnetlink_queue.h +++ b/include/linux/netfilter/nfnetlink_queue.h @@ -1,6 +1,7 @@ #ifndef _NFNETLINK_QUEUE_H #define _NFNETLINK_QUEUE_H +#include <linux/types.h> #include <linux/netfilter/nfnetlink.h> enum nfqnl_msg_types { @@ -24,8 +25,8 @@ struct nfqnl_msg_packet_hw { } __attribute__ ((packed)); struct nfqnl_msg_packet_timestamp { - u_int64_t sec; - u_int64_t usec; + aligned_u64 sec; + aligned_u64 usec; } __attribute__ ((packed)); enum nfqnl_attr_type { diff --git a/include/linux/types.h b/include/linux/types.h index dcb13f865df9..2b678c22ca4a 100644 --- a/include/linux/types.h +++ b/include/linux/types.h @@ -123,6 +123,9 @@ typedef __u64 u_int64_t; typedef __s64 int64_t; #endif +/* this is a special 64bit data type that is 8-byte aligned */ +#define aligned_u64 unsigned long long __attribute__((aligned(8))) + /* * The type used for indexing onto a disc or disc partition. * If required, asm/types.h can override it and define |