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Message-Id: <1458637341-3434-1-git-send-email-jiri@resnulli.us>
Date: Tue, 22 Mar 2016 10:02:20 +0100
From: Jiri Pirko <jiri@...nulli.us>
To: netdev@...r.kernel.org
Cc: stephen@...workplumber.org, davem@...emloft.net,
idosch@...lanox.com, eladr@...lanox.com, yotamg@...lanox.com,
ogerlitz@...lanox.com, yishaih@...lanox.com, dledford@...hat.com,
sean.hefty@...el.com, hal.rosenstock@...il.com,
eugenia@...lanox.com, roopa@...ulusnetworks.com,
nikolay@...ulusnetworks.com, hadarh@...lanox.com, jhs@...atatu.com,
john.fastabend@...il.com, jeffrey.t.kirsher@...el.com,
brouer@...hat.com, ivecera@...hat.com, rami.rosen@...el.com,
hannes@...essinduktion.org, gospo@...ulusnetworks.com
Subject: [patch iproute2 v2 1/2] include: add linked list implementation from kernel
From: Jiri Pirko <jiri@...lanox.com>
Rename hlist.h to list.h while adding it to be aligned with kernel
Signed-off-by: Jiri Pirko <jiri@...lanox.com>
---
v1->v2:
- fix some checkpatch issues
---
include/hlist.h | 56 ----------------------------
include/list.h | 112 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
ip/ipnetns.c | 2 +-
lib/ll_map.c | 2 +-
tc/tc_class.c | 2 +-
5 files changed, 115 insertions(+), 59 deletions(-)
delete mode 100644 include/hlist.h
create mode 100644 include/list.h
diff --git a/include/hlist.h b/include/hlist.h
deleted file mode 100644
index 4e8de9e..0000000
--- a/include/hlist.h
+++ /dev/null
@@ -1,56 +0,0 @@
-#ifndef __HLIST_H__
-#define __HLIST_H__ 1
-/* Hash list stuff from kernel */
-
-#include <stddef.h>
-
-#define container_of(ptr, type, member) ({ \
- const typeof( ((type *)0)->member ) *__mptr = (ptr); \
- (type *)( (char *)__mptr - offsetof(type,member) );})
-
-struct hlist_head {
- struct hlist_node *first;
-};
-
-struct hlist_node {
- struct hlist_node *next, **pprev;
-};
-
-static inline void hlist_del(struct hlist_node *n)
-{
- struct hlist_node *next = n->next;
- struct hlist_node **pprev = n->pprev;
- *pprev = next;
- if (next)
- next->pprev = pprev;
-}
-
-static inline void hlist_add_head(struct hlist_node *n, struct hlist_head *h)
-{
- struct hlist_node *first = h->first;
- n->next = first;
- if (first)
- first->pprev = &n->next;
- h->first = n;
- n->pprev = &h->first;
-}
-
-#define hlist_for_each(pos, head) \
- for (pos = (head)->first; pos ; pos = pos->next)
-
-
-#define hlist_for_each_safe(pos, n, head) \
- for (pos = (head)->first; pos && ({ n = pos->next; 1; }); \
- pos = n)
-
-#define hlist_entry_safe(ptr, type, member) \
- ({ typeof(ptr) ____ptr = (ptr); \
- ____ptr ? hlist_entry(____ptr, type, member) : NULL; \
- })
-
-#define hlist_for_each_entry(pos, head, member) \
- for (pos = hlist_entry_safe((head)->first, typeof(*(pos)), member);\
- pos; \
- pos = hlist_entry_safe((pos)->member.next, typeof(*(pos)), member))
-
-#endif /* __HLIST_H__ */
diff --git a/include/list.h b/include/list.h
new file mode 100644
index 0000000..cdebe4d
--- /dev/null
+++ b/include/list.h
@@ -0,0 +1,112 @@
+#ifndef __LIST_H__
+#define __LIST_H__ 1
+/* List and hash list stuff from kernel */
+
+#include <stddef.h>
+
+#define container_of(ptr, type, member) ({ \
+ const typeof( ((type *)0)->member ) *__mptr = (ptr); \
+ (type *)( (char *)__mptr - offsetof(type,member) );})
+
+struct list_head {
+ struct list_head *next, *prev;
+};
+
+static inline void INIT_LIST_HEAD(struct list_head *list)
+{
+ list->next = list;
+ list->prev = list;
+}
+
+static inline void __list_add(struct list_head *new,
+ struct list_head *prev,
+ struct list_head *next)
+{
+ next->prev = new;
+ new->next = next;
+ new->prev = prev;
+ prev->next = new;
+}
+
+static inline void list_add(struct list_head *new, struct list_head *head)
+{
+ __list_add(new, head, head->next);
+}
+
+static inline void __list_del(struct list_head *prev, struct list_head *next)
+{
+ next->prev = prev;
+ prev->next = next;
+}
+
+static inline void list_del(struct list_head *entry)
+{
+ __list_del(entry->prev, entry->next);
+}
+
+#define list_entry(ptr, type, member) \
+ container_of(ptr, type, member)
+
+#define list_first_entry(ptr, type, member) \
+ list_entry((ptr)->next, type, member)
+
+#define list_next_entry(pos, member) \
+ list_entry((pos)->member.next, typeof(*(pos)), member)
+
+#define list_for_each_entry(pos, head, member) \
+ for (pos = list_first_entry(head, typeof(*pos), member); \
+ &pos->member != (head); \
+ pos = list_next_entry(pos, member))
+
+#define list_for_each_entry_safe(pos, n, head, member) \
+ for (pos = list_first_entry(head, typeof(*pos), member), \
+ n = list_next_entry(pos, member); \
+ &pos->member != (head); \
+ pos = n, n = list_next_entry(n, member))
+
+struct hlist_head {
+ struct hlist_node *first;
+};
+
+struct hlist_node {
+ struct hlist_node *next, **pprev;
+};
+
+static inline void hlist_del(struct hlist_node *n)
+{
+ struct hlist_node *next = n->next;
+ struct hlist_node **pprev = n->pprev;
+ *pprev = next;
+ if (next)
+ next->pprev = pprev;
+}
+
+static inline void hlist_add_head(struct hlist_node *n, struct hlist_head *h)
+{
+ struct hlist_node *first = h->first;
+ n->next = first;
+ if (first)
+ first->pprev = &n->next;
+ h->first = n;
+ n->pprev = &h->first;
+}
+
+#define hlist_for_each(pos, head) \
+ for (pos = (head)->first; pos ; pos = pos->next)
+
+
+#define hlist_for_each_safe(pos, n, head) \
+ for (pos = (head)->first; pos && ({ n = pos->next; 1; }); \
+ pos = n)
+
+#define hlist_entry_safe(ptr, type, member) \
+ ({ typeof(ptr) ____ptr = (ptr); \
+ ____ptr ? hlist_entry(____ptr, type, member) : NULL; \
+ })
+
+#define hlist_for_each_entry(pos, head, member) \
+ for (pos = hlist_entry_safe((head)->first, typeof(*(pos)), member);\
+ pos; \
+ pos = hlist_entry_safe((pos)->member.next, typeof(*(pos)), member))
+
+#endif /* __LIST_H__ */
diff --git a/ip/ipnetns.c b/ip/ipnetns.c
index 4ce5989..0596b2c 100644
--- a/ip/ipnetns.c
+++ b/ip/ipnetns.c
@@ -18,7 +18,7 @@
#include <linux/net_namespace.h>
#include "utils.h"
-#include "hlist.h"
+#include "list.h"
#include "ip_common.h"
#include "namespace.h"
diff --git a/lib/ll_map.c b/lib/ll_map.c
index c6f7027..fa14a77 100644
--- a/lib/ll_map.c
+++ b/lib/ll_map.c
@@ -22,7 +22,7 @@
#include "libnetlink.h"
#include "ll_map.h"
-#include "hlist.h"
+#include "list.h"
struct ll_cache {
struct hlist_node idx_hash;
diff --git a/tc/tc_class.c b/tc/tc_class.c
index 3acd030..7d3b009 100644
--- a/tc/tc_class.c
+++ b/tc/tc_class.c
@@ -24,7 +24,7 @@
#include "utils.h"
#include "tc_util.h"
#include "tc_common.h"
-#include "hlist.h"
+#include "list.h"
struct graph_node {
struct hlist_node hlist;
--
2.5.5
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