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-rw-r--r--include/acpi/acpi_bus.h7
-rw-r--r--include/linux/acpi.h72
-rw-r--r--include/linux/compiler.h6
-rw-r--r--include/linux/jhash.h17
-rw-r--r--include/linux/kconfig.h9
-rw-r--r--include/linux/of.h12
-rw-r--r--include/linux/property.h73
-rw-r--r--include/net/inet_connection_sock.h3
-rw-r--r--include/net/sctp/sctp.h7
-rw-r--r--include/net/sock.h9
-rw-r--r--include/net/tcp_states.h4
11 files changed, 206 insertions, 13 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 8de31d472fad..20c757cdd391 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -338,6 +338,12 @@ struct acpi_device_physical_node {
bool put_online:1;
};
+/* ACPI Device Specific Data (_DSD) */
+struct acpi_device_data {
+ const union acpi_object *pointer;
+ const union acpi_object *properties;
+};
+
/* Device */
struct acpi_device {
int device_type;
@@ -354,6 +360,7 @@ struct acpi_device {
struct acpi_device_wakeup wakeup;
struct acpi_device_perf performance;
struct acpi_device_dir dir;
+ struct acpi_device_data data;
struct acpi_scan_handler *handler;
struct acpi_hotplug_context *hp;
struct acpi_driver *driver;
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 407a12f663eb..76d64d6a903a 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -28,6 +28,7 @@
#include <linux/errno.h>
#include <linux/ioport.h> /* for struct resource */
#include <linux/device.h>
+#include <linux/property.h>
#ifndef _LINUX
#define _LINUX
@@ -659,4 +660,75 @@ do { \
#endif
#endif
+/* Device properties */
+
+#define MAX_ACPI_REFERENCE_ARGS 8
+struct acpi_reference_args {
+ struct acpi_device *adev;
+ size_t nargs;
+ u64 args[MAX_ACPI_REFERENCE_ARGS];
+};
+
+#ifdef CONFIG_ACPI
+int acpi_dev_get_property(struct acpi_device *adev, const char *name,
+ acpi_object_type type, const union acpi_object **obj);
+int acpi_dev_get_property_array(struct acpi_device *adev, const char *name,
+ acpi_object_type type,
+ const union acpi_object **obj);
+int acpi_dev_get_property_reference(struct acpi_device *adev, const char *name,
+ const char *cells_name, size_t index,
+ struct acpi_reference_args *args);
+
+int acpi_dev_prop_get(struct acpi_device *adev, const char *propname,
+ void **valptr);
+int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
+ enum dev_prop_type proptype, void *val);
+int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
+ enum dev_prop_type proptype, void *val, size_t nval);
+#else
+static inline int acpi_dev_get_property(struct acpi_device *adev,
+ const char *name, acpi_object_type type,
+ const union acpi_object **obj)
+{
+ return -ENXIO;
+}
+static inline int acpi_dev_get_property_array(struct acpi_device *adev,
+ const char *name,
+ acpi_object_type type,
+ const union acpi_object **obj)
+{
+ return -ENXIO;
+}
+static inline int acpi_dev_get_property_reference(struct acpi_device *adev,
+ const char *name, const char *cells_name,
+ size_t index, struct acpi_reference_args *args)
+{
+ return -ENXIO;
+}
+
+static inline int acpi_dev_prop_get(struct acpi_device *adev,
+ const char *propname,
+ void **valptr)
+{
+ return -ENXIO;
+}
+
+static inline int acpi_dev_prop_read_single(struct acpi_device *adev,
+ const char *propname,
+ enum dev_prop_type proptype,
+ void *val)
+{
+ return -ENXIO;
+}
+
+static inline int acpi_dev_prop_read(struct acpi_device *adev,
+ const char *propname,
+ enum dev_prop_type proptype,
+ void *val, size_t nval)
+{
+ return -ENXIO;
+}
+
+#endif
+
#endif /*_LINUX_ACPI_H*/
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 33063f872ee3..000c5f90f08c 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -198,7 +198,7 @@ static __always_inline void data_access_exceeds_word_size(void)
{
}
-static __always_inline void __read_once_size(volatile void *p, void *res, int size)
+static __always_inline void __read_once_size(const volatile void *p, void *res, int size)
{
switch (size) {
case 1: *(__u8 *)res = *(volatile __u8 *)p; break;
@@ -255,10 +255,10 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s
*/
#define READ_ONCE(x) \
- ({ typeof(x) __val; __read_once_size(&x, &__val, sizeof(__val)); __val; })
+ ({ union { typeof(x) __val; char __c[1]; } __u; __read_once_size(&(x), __u.__c, sizeof(x)); __u.__val; })
#define WRITE_ONCE(x, val) \
- ({ typeof(x) __val; __val = val; __write_once_size(&x, &__val, sizeof(__val)); __val; })
+ ({ typeof(x) __val = (val); __write_once_size(&(x), &__val, sizeof(__val)); __val; })
#endif /* __KERNEL__ */
diff --git a/include/linux/jhash.h b/include/linux/jhash.h
index 47cb09edec1a..348c6f47e4cc 100644
--- a/include/linux/jhash.h
+++ b/include/linux/jhash.h
@@ -145,11 +145,11 @@ static inline u32 jhash2(const u32 *k, u32 length, u32 initval)
}
-/* jhash_3words - hash exactly 3, 2 or 1 word(s) */
-static inline u32 jhash_3words(u32 a, u32 b, u32 c, u32 initval)
+/* __jhash_nwords - hash exactly 3, 2 or 1 word(s) */
+static inline u32 __jhash_nwords(u32 a, u32 b, u32 c, u32 initval)
{
- a += JHASH_INITVAL;
- b += JHASH_INITVAL;
+ a += initval;
+ b += initval;
c += initval;
__jhash_final(a, b, c);
@@ -157,14 +157,19 @@ static inline u32 jhash_3words(u32 a, u32 b, u32 c, u32 initval)
return c;
}
+static inline u32 jhash_3words(u32 a, u32 b, u32 c, u32 initval)
+{
+ return __jhash_nwords(a, b, c, initval + JHASH_INITVAL + (3 << 2));
+}
+
static inline u32 jhash_2words(u32 a, u32 b, u32 initval)
{
- return jhash_3words(a, b, 0, initval);
+ return __jhash_nwords(a, b, 0, initval + JHASH_INITVAL + (2 << 2));
}
static inline u32 jhash_1word(u32 a, u32 initval)
{
- return jhash_3words(a, 0, 0, initval);
+ return __jhash_nwords(a, 0, 0, initval + JHASH_INITVAL + (1 << 2));
}
#endif /* _LINUX_JHASH_H */
diff --git a/include/linux/kconfig.h b/include/linux/kconfig.h
index be342b94c640..16cfb3448568 100644
--- a/include/linux/kconfig.h
+++ b/include/linux/kconfig.h
@@ -43,4 +43,13 @@
*/
#define IS_MODULE(option) config_enabled(option##_MODULE)
+/*
+ * IS_REACHABLE(CONFIG_FOO) evaluates to 1 if the currently compiled
+ * code can call a function defined in code compiled based on CONFIG_FOO.
+ * This is similar to IS_ENABLED(), but returns false when invoked from
+ * built-in code when CONFIG_FOO is set to 'm'.
+ */
+#define IS_REACHABLE(option) (config_enabled(option) || \
+ (config_enabled(option##_MODULE) && config_enabled(MODULE)))
+
#endif /* __LINUX_KCONFIG_H */
diff --git a/include/linux/of.h b/include/linux/of.h
index 29f0adc5f3e4..ce9f6a2b3532 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -23,6 +23,7 @@
#include <linux/spinlock.h>
#include <linux/topology.h>
#include <linux/notifier.h>
+#include <linux/property.h>
#include <asm/byteorder.h>
#include <asm/errno.h>
@@ -263,6 +264,10 @@ extern int of_property_read_u32_array(const struct device_node *np,
size_t sz);
extern int of_property_read_u64(const struct device_node *np,
const char *propname, u64 *out_value);
+extern int of_property_read_u64_array(const struct device_node *np,
+ const char *propname,
+ u64 *out_values,
+ size_t sz);
extern int of_property_read_string(struct device_node *np,
const char *propname,
@@ -477,6 +482,13 @@ static inline int of_property_read_u32_array(const struct device_node *np,
return -ENOSYS;
}
+static inline int of_property_read_u64_array(const struct device_node *np,
+ const char *propname,
+ u64 *out_values, size_t sz)
+{
+ return -ENOSYS;
+}
+
static inline int of_property_read_string(struct device_node *np,
const char *propname,
const char **out_string)
diff --git a/include/linux/property.h b/include/linux/property.h
new file mode 100644
index 000000000000..9242fb0221ba
--- /dev/null
+++ b/include/linux/property.h
@@ -0,0 +1,73 @@
+/*
+ * property.h - Unified device property interface.
+ *
+ * Copyright (C) 2014, Intel Corporation
+ * Authors: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
+ * Mika Westerberg <mika.westerberg@linux.intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _LINUX_PROPERTY_H_
+#define _LINUX_PROPERTY_H_
+
+#include <linux/types.h>
+
+struct device;
+
+enum dev_prop_type {
+ DEV_PROP_U8,
+ DEV_PROP_U16,
+ DEV_PROP_U32,
+ DEV_PROP_U64,
+ DEV_PROP_STRING,
+ DEV_PROP_MAX,
+};
+
+bool device_property_present(struct device *dev, const char *propname);
+int device_property_read_u8_array(struct device *dev, const char *propname,
+ u8 *val, size_t nval);
+int device_property_read_u16_array(struct device *dev, const char *propname,
+ u16 *val, size_t nval);
+int device_property_read_u32_array(struct device *dev, const char *propname,
+ u32 *val, size_t nval);
+int device_property_read_u64_array(struct device *dev, const char *propname,
+ u64 *val, size_t nval);
+int device_property_read_string_array(struct device *dev, const char *propname,
+ const char **val, size_t nval);
+int device_property_read_string(struct device *dev, const char *propname,
+ const char **val);
+
+static inline bool device_property_read_bool(struct device *dev,
+ const char *propname)
+{
+ return device_property_present(dev, propname);
+}
+
+static inline int device_property_read_u8(struct device *dev,
+ const char *propname, u8 *val)
+{
+ return device_property_read_u8_array(dev, propname, val, 1);
+}
+
+static inline int device_property_read_u16(struct device *dev,
+ const char *propname, u16 *val)
+{
+ return device_property_read_u16_array(dev, propname, val, 1);
+}
+
+static inline int device_property_read_u32(struct device *dev,
+ const char *propname, u32 *val)
+{
+ return device_property_read_u32_array(dev, propname, val, 1);
+}
+
+static inline int device_property_read_u64(struct device *dev,
+ const char *propname, u64 *val)
+{
+ return device_property_read_u64_array(dev, propname, val, 1);
+}
+
+#endif /* _LINUX_PROPERTY_H_ */
diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
index 848e85cb5c61..24d5c099d3ac 100644
--- a/include/net/inet_connection_sock.h
+++ b/include/net/inet_connection_sock.h
@@ -98,7 +98,8 @@ struct inet_connection_sock {
const struct tcp_congestion_ops *icsk_ca_ops;
const struct inet_connection_sock_af_ops *icsk_af_ops;
unsigned int (*icsk_sync_mss)(struct sock *sk, u32 pmtu);
- __u8 icsk_ca_state;
+ __u8 icsk_ca_state:7,
+ icsk_ca_setsockopt:1;
__u8 icsk_retransmits;
__u8 icsk_pending;
__u8 icsk_backoff;
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 856f01cb51dd..230775f5952a 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -571,11 +571,14 @@ static inline void sctp_v6_map_v4(union sctp_addr *addr)
/* Map v4 address to v4-mapped v6 address */
static inline void sctp_v4_map_v6(union sctp_addr *addr)
{
+ __be16 port;
+
+ port = addr->v4.sin_port;
+ addr->v6.sin6_addr.s6_addr32[3] = addr->v4.sin_addr.s_addr;
+ addr->v6.sin6_port = port;
addr->v6.sin6_family = AF_INET6;
addr->v6.sin6_flowinfo = 0;
addr->v6.sin6_scope_id = 0;
- addr->v6.sin6_port = addr->v4.sin_port;
- addr->v6.sin6_addr.s6_addr32[3] = addr->v4.sin_addr.s_addr;
addr->v6.sin6_addr.s6_addr32[0] = 0;
addr->v6.sin6_addr.s6_addr32[1] = 0;
addr->v6.sin6_addr.s6_addr32[2] = htonl(0x0000ffff);
diff --git a/include/net/sock.h b/include/net/sock.h
index c8146ed9e66a..4406dbe491f0 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -67,6 +67,7 @@
#include <linux/atomic.h>
#include <net/dst.h>
#include <net/checksum.h>
+#include <net/tcp_states.h>
#include <linux/net_tstamp.h>
struct cgroup;
@@ -2267,6 +2268,14 @@ static inline struct sock *skb_steal_sock(struct sk_buff *skb)
return NULL;
}
+/* This helper checks if a socket is a full socket,
+ * ie _not_ a timewait or request socket.
+ */
+static inline bool sk_fullsock(const struct sock *sk)
+{
+ return (1 << sk->sk_state) & ~(TCPF_TIME_WAIT | TCPF_NEW_SYN_RECV);
+}
+
void sock_enable_timestamp(struct sock *sk, int flag);
int sock_get_timestamp(struct sock *, struct timeval __user *);
int sock_get_timestampns(struct sock *, struct timespec __user *);
diff --git a/include/net/tcp_states.h b/include/net/tcp_states.h
index b0b645988bd8..50e78a74d0df 100644
--- a/include/net/tcp_states.h
+++ b/include/net/tcp_states.h
@@ -25,6 +25,7 @@ enum {
TCP_LAST_ACK,
TCP_LISTEN,
TCP_CLOSING, /* Now a valid state */
+ TCP_NEW_SYN_RECV,
TCP_MAX_STATES /* Leave at the end! */
};
@@ -44,7 +45,8 @@ enum {
TCPF_CLOSE_WAIT = (1 << 8),
TCPF_LAST_ACK = (1 << 9),
TCPF_LISTEN = (1 << 10),
- TCPF_CLOSING = (1 << 11)
+ TCPF_CLOSING = (1 << 11),
+ TCPF_NEW_SYN_RECV = (1 << 12),
};
#endif /* _LINUX_TCP_STATES_H */
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-06 13:05:41 +0000