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-rw-r--r--arch/s390/Kconfig1
-rw-r--r--arch/s390/include/asm/mutex.h2
-rw-r--r--arch/s390/include/asm/qeth.h51
3 files changed, 44 insertions, 10 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index e0b98e71ff47..6c6d7b339aae 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -99,6 +99,7 @@ config S390
select HAVE_KERNEL_LZMA
select HAVE_KERNEL_LZO
select HAVE_GET_USER_PAGES_FAST
+ select HAVE_ARCH_MUTEX_CPU_RELAX
select ARCH_INLINE_SPIN_TRYLOCK
select ARCH_INLINE_SPIN_TRYLOCK_BH
select ARCH_INLINE_SPIN_LOCK
diff --git a/arch/s390/include/asm/mutex.h b/arch/s390/include/asm/mutex.h
index 458c1f7fbc18..688271f5f2e4 100644
--- a/arch/s390/include/asm/mutex.h
+++ b/arch/s390/include/asm/mutex.h
@@ -7,3 +7,5 @@
*/
#include <asm-generic/mutex-dec.h>
+
+#define arch_mutex_cpu_relax() barrier()
diff --git a/arch/s390/include/asm/qeth.h b/arch/s390/include/asm/qeth.h
index 06cbd1e8c943..90efda0b137d 100644
--- a/arch/s390/include/asm/qeth.h
+++ b/arch/s390/include/asm/qeth.h
@@ -28,39 +28,70 @@ struct qeth_arp_cache_entry {
__u8 reserved2[32];
} __attribute__ ((packed));
+enum qeth_arp_ipaddrtype {
+ QETHARP_IP_ADDR_V4 = 1,
+ QETHARP_IP_ADDR_V6 = 2,
+};
+struct qeth_arp_entrytype {
+ __u8 mac;
+ __u8 ip;
+} __attribute__((packed));
+
+#define QETH_QARP_MEDIASPECIFIC_BYTES 32
+#define QETH_QARP_MACADDRTYPE_BYTES 1
struct qeth_arp_qi_entry7 {
- __u8 media_specific[32];
- __u8 macaddr_type;
- __u8 ipaddr_type;
+ __u8 media_specific[QETH_QARP_MEDIASPECIFIC_BYTES];
+ struct qeth_arp_entrytype type;
__u8 macaddr[6];
__u8 ipaddr[4];
} __attribute__((packed));
+struct qeth_arp_qi_entry7_ipv6 {
+ __u8 media_specific[QETH_QARP_MEDIASPECIFIC_BYTES];
+ struct qeth_arp_entrytype type;
+ __u8 macaddr[6];
+ __u8 ipaddr[16];
+} __attribute__((packed));
+
struct qeth_arp_qi_entry7_short {
- __u8 macaddr_type;
- __u8 ipaddr_type;
+ struct qeth_arp_entrytype type;
__u8 macaddr[6];
__u8 ipaddr[4];
} __attribute__((packed));
+struct qeth_arp_qi_entry7_short_ipv6 {
+ struct qeth_arp_entrytype type;
+ __u8 macaddr[6];
+ __u8 ipaddr[16];
+} __attribute__((packed));
+
struct qeth_arp_qi_entry5 {
- __u8 media_specific[32];
- __u8 macaddr_type;
- __u8 ipaddr_type;
+ __u8 media_specific[QETH_QARP_MEDIASPECIFIC_BYTES];
+ struct qeth_arp_entrytype type;
__u8 ipaddr[4];
} __attribute__((packed));
+struct qeth_arp_qi_entry5_ipv6 {
+ __u8 media_specific[QETH_QARP_MEDIASPECIFIC_BYTES];
+ struct qeth_arp_entrytype type;
+ __u8 ipaddr[16];
+} __attribute__((packed));
+
struct qeth_arp_qi_entry5_short {
- __u8 macaddr_type;
- __u8 ipaddr_type;
+ struct qeth_arp_entrytype type;
__u8 ipaddr[4];
} __attribute__((packed));
+struct qeth_arp_qi_entry5_short_ipv6 {
+ struct qeth_arp_entrytype type;
+ __u8 ipaddr[16];
+} __attribute__((packed));
/*
* can be set by user if no "media specific information" is wanted
* -> saves a lot of space in user space buffer
*/
#define QETH_QARP_STRIP_ENTRIES 0x8000
+#define QETH_QARP_WITH_IPV6 0x4000
#define QETH_QARP_REQUEST_MASK 0x00ff
/* data sent to user space as result of query arp ioctl */
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