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authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-10-07 12:50:15 +0000
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-10-07 12:50:15 +0000
commit6babc9b91ab6cdd9305b270f269b8622c527a88e (patch)
treeb1bd865ddc103600da0e66dbdaf6233a0ae3dd96 /package/wprobe/src/user
parenta81aed2f57aef263f83f31c8d405d086776f7415 (diff)
move a few unmaintained packages from trunk to /packages
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33634 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/wprobe/src/user')
-rw-r--r--package/wprobe/src/user/Makefile38
-rw-r--r--package/wprobe/src/user/list.h601
-rw-r--r--package/wprobe/src/user/wprobe-lib.c1210
-rw-r--r--package/wprobe/src/user/wprobe-util.c450
-rw-r--r--package/wprobe/src/user/wprobe.h213
5 files changed, 0 insertions, 2512 deletions
diff --git a/package/wprobe/src/user/Makefile b/package/wprobe/src/user/Makefile
deleted file mode 100644
index 01e83da3e..000000000
--- a/package/wprobe/src/user/Makefile
+++ /dev/null
@@ -1,38 +0,0 @@
-include ../Makefile.inc
-
-CPPFLAGS += -I../kernel
-LDFLAGS =
-
-ifneq ($(HOST_OS),Linux)
-USE_LIBNL_MICRO=1
-else
-USE_LIBNL_MICRO=
-endif
-
-ifeq ($(USE_LIBNL_MICRO),1)
-LIBNL_PREFIX = /usr/local
-LIBNL = $(LIBNL_PREFIX)/lib/libnl-micro.a
-CPPFLAGS += -I$(LIBNL_PREFIX)/include/libnl-micro
-EXTRA_CFLAGS += -DNO_LOCAL_ACCESS
-else
-LIBNL = -lnl
-endif
-
-LIBM = -lm
-LIBS = $(LIBNL) $(LIBM)
-
-all: libwprobe.a wprobe-util
-
-libwprobe.a: wprobe-lib.o
- rm -f $@
- $(AR) rcu $@ $^
- $(RANLIB) $@
-
-%.o: %.c
- $(CC) $(WFLAGS) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(EXTRA_CFLAGS) $<
-
-wprobe-util: wprobe-util.o wprobe-lib.o
- $(CC) -o $@ $^ $(LDFLAGS) $(LIBS)
-
-clean:
- rm -f *.o *.a wprobe-util
diff --git a/package/wprobe/src/user/list.h b/package/wprobe/src/user/list.h
deleted file mode 100644
index 2959a061d..000000000
--- a/package/wprobe/src/user/list.h
+++ /dev/null
@@ -1,601 +0,0 @@
-#ifndef _LINUX_LIST_H
-#define _LINUX_LIST_H
-
-#include <stddef.h>
-/**
- * container_of - cast a member of a structure out to the containing structure
- * @ptr: the pointer to the member.
- * @type: the type of the container struct this is embedded in.
- * @member: the name of the member within the struct.
- *
- */
-#ifndef container_of
-#define container_of(ptr, type, member) ( \
- (type *)( (char *)ptr - offsetof(type,member) ))
-#endif
-
-
-/*
- * Simple doubly linked list implementation.
- *
- * Some of the internal functions ("__xxx") are useful when
- * manipulating whole lists rather than single entries, as
- * sometimes we already know the next/prev entries and we can
- * generate better code by using them directly rather than
- * using the generic single-entry routines.
- */
-
-struct list_head {
- struct list_head *next, *prev;
-};
-
-#define LIST_HEAD_INIT(name) { &(name), &(name) }
-
-#define LIST_HEAD(name) \
- struct list_head name = LIST_HEAD_INIT(name)
-
-static inline void INIT_LIST_HEAD(struct list_head *list)
-{
- list->next = list;
- list->prev = list;
-}
-
-/*
- * Insert a new entry between two known consecutive entries.
- *
- * This is only for internal list manipulation where we know
- * the prev/next entries already!
- */
-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;
-}
-
-/**
- * list_add - add a new entry
- * @new: new entry to be added
- * @head: list head to add it after
- *
- * Insert a new entry after the specified head.
- * This is good for implementing stacks.
- */
-static inline void list_add(struct list_head *new, struct list_head *head)
-{
- __list_add(new, head, head->next);
-}
-
-
-/**
- * list_add_tail - add a new entry
- * @new: new entry to be added
- * @head: list head to add it before
- *
- * Insert a new entry before the specified head.
- * This is useful for implementing queues.
- */
-static inline void list_add_tail(struct list_head *new, struct list_head *head)
-{
- __list_add(new, head->prev, head);
-}
-
-
-/*
- * Delete a list entry by making the prev/next entries
- * point to each other.
- *
- * This is only for internal list manipulation where we know
- * the prev/next entries already!
- */
-static inline void __list_del(struct list_head * prev, struct list_head * next)
-{
- next->prev = prev;
- prev->next = next;
-}
-
-/**
- * list_del - deletes entry from list.
- * @entry: the element to delete from the list.
- * Note: list_empty() on entry does not return true after this, the entry is
- * in an undefined state.
- */
-static inline void list_del(struct list_head *entry)
-{
- __list_del(entry->prev, entry->next);
- entry->next = NULL;
- entry->prev = NULL;
-}
-
-/**
- * list_replace - replace old entry by new one
- * @old : the element to be replaced
- * @new : the new element to insert
- *
- * If @old was empty, it will be overwritten.
- */
-static inline void list_replace(struct list_head *old,
- struct list_head *new)
-{
- new->next = old->next;
- new->next->prev = new;
- new->prev = old->prev;
- new->prev->next = new;
-}
-
-static inline void list_replace_init(struct list_head *old,
- struct list_head *new)
-{
- list_replace(old, new);
- INIT_LIST_HEAD(old);
-}
-
-/**
- * list_del_init - deletes entry from list and reinitialize it.
- * @entry: the element to delete from the list.
- */
-static inline void list_del_init(struct list_head *entry)
-{
- __list_del(entry->prev, entry->next);
- INIT_LIST_HEAD(entry);
-}
-
-/**
- * list_move - delete from one list and add as another's head
- * @list: the entry to move
- * @head: the head that will precede our entry
- */
-static inline void list_move(struct list_head *list, struct list_head *head)
-{
- __list_del(list->prev, list->next);
- list_add(list, head);
-}
-
-/**
- * list_move_tail - delete from one list and add as another's tail
- * @list: the entry to move
- * @head: the head that will follow our entry
- */
-static inline void list_move_tail(struct list_head *list,
- struct list_head *head)
-{
- __list_del(list->prev, list->next);
- list_add_tail(list, head);
-}
-
-/**
- * list_is_last - tests whether @list is the last entry in list @head
- * @list: the entry to test
- * @head: the head of the list
- */
-static inline int list_is_last(const struct list_head *list,
- const struct list_head *head)
-{
- return list->next == head;
-}
-
-/**
- * list_empty - tests whether a list is empty
- * @head: the list to test.
- */
-static inline int list_empty(const struct list_head *head)
-{
- return head->next == head;
-}
-
-/**
- * list_empty_careful - tests whether a list is empty and not being modified
- * @head: the list to test
- *
- * Description:
- * tests whether a list is empty _and_ checks that no other CPU might be
- * in the process of modifying either member (next or prev)
- *
- * NOTE: using list_empty_careful() without synchronization
- * can only be safe if the only activity that can happen
- * to the list entry is list_del_init(). Eg. it cannot be used
- * if another CPU could re-list_add() it.
- */
-static inline int list_empty_careful(const struct list_head *head)
-{
- struct list_head *next = head->next;
- return (next == head) && (next == head->prev);
-}
-
-static inline void __list_splice(struct list_head *list,
- struct list_head *head)
-{
- struct list_head *first = list->next;
- struct list_head *last = list->prev;
- struct list_head *at = head->next;
-
- first->prev = head;
- head->next = first;
-
- last->next = at;
- at->prev = last;
-}
-
-/**
- * list_splice - join two lists
- * @list: the new list to add.
- * @head: the place to add it in the first list.
- */
-static inline void list_splice(struct list_head *list, struct list_head *head)
-{
- if (!list_empty(list))
- __list_splice(list, head);
-}
-
-/**
- * list_splice_init - join two lists and reinitialise the emptied list.
- * @list: the new list to add.
- * @head: the place to add it in the first list.
- *
- * The list at @list is reinitialised
- */
-static inline void list_splice_init(struct list_head *list,
- struct list_head *head)
-{
- if (!list_empty(list)) {
- __list_splice(list, head);
- INIT_LIST_HEAD(list);
- }
-}
-
-/**
- * list_entry - get the struct for this entry
- * @ptr: the &struct list_head pointer.
- * @type: the type of the struct this is embedded in.
- * @member: the name of the list_struct within the struct.
- */
-#define list_entry(ptr, type, member) \
- container_of(ptr, type, member)
-
-/**
- * list_first_entry - get the first element from a list
- * @ptr: the list head to take the element from.
- * @type: the type of the struct this is embedded in.
- * @member: the name of the list_struct within the struct.
- *
- * Note, that list is expected to be not empty.
- */
-#define list_first_entry(ptr, type, member) \
- list_entry((ptr)->next, type, member)
-
-/**
- * list_for_each - iterate over a list
- * @pos: the &struct list_head to use as a loop cursor.
- * @head: the head for your list.
- */
-#define list_for_each(pos, head) \
- for (pos = (head)->next; pos != (head); \
- pos = pos->next)
-
-/**
- * __list_for_each - iterate over a list
- * @pos: the &struct list_head to use as a loop cursor.
- * @head: the head for your list.
- *
- * This variant differs from list_for_each() in that it's the
- * simplest possible list iteration code, no prefetching is done.
- * Use this for code that knows the list to be very short (empty
- * or 1 entry) most of the time.
- */
-#define __list_for_each(pos, head) \
- for (pos = (head)->next; pos != (head); pos = pos->next)
-
-/**
- * list_for_each_prev - iterate over a list backwards
- * @pos: the &struct list_head to use as a loop cursor.
- * @head: the head for your list.
- */
-#define list_for_each_prev(pos, head) \
- for (pos = (head)->prev; pos != (head); \
- pos = pos->prev)
-
-/**
- * list_for_each_safe - iterate over a list safe against removal of list entry
- * @pos: the &struct list_head to use as a loop cursor.
- * @n: another &struct list_head to use as temporary storage
- * @head: the head for your list.
- */
-#define list_for_each_safe(pos, n, head) \
- for (pos = (head)->next, n = pos->next; pos != (head); \
- pos = n, n = pos->next)
-
-/**
- * list_for_each_prev_safe - iterate over a list backwards safe against removal of list entry
- * @pos: the &struct list_head to use as a loop cursor.
- * @n: another &struct list_head to use as temporary storage
- * @head: the head for your list.
- */
-#define list_for_each_prev_safe(pos, n, head) \
- for (pos = (head)->prev, n = pos->prev; \
- pos != (head); \
- pos = n, n = pos->prev)
-
-/**
- * list_for_each_entry - iterate over list of given type
- * @pos: the type * to use as a loop cursor.
- * @head: the head for your list.
- * @member: the name of the list_struct within the struct.
- */
-#define list_for_each_entry(pos, head, member) \
- for (pos = list_entry((head)->next, typeof(*pos), member); \
- &pos->member != (head); \
- pos = list_entry(pos->member.next, typeof(*pos), member))
-
-/**
- * list_for_each_entry_reverse - iterate backwards over list of given type.
- * @pos: the type * to use as a loop cursor.
- * @head: the head for your list.
- * @member: the name of the list_struct within the struct.
- */
-#define list_for_each_entry_reverse(pos, head, member) \
- for (pos = list_entry((head)->prev, typeof(*pos), member); \
- &pos->member != (head); \
- pos = list_entry(pos->member.prev, typeof(*pos), member))
-
-/**
- * list_prepare_entry - prepare a pos entry for use in list_for_each_entry_continue()
- * @pos: the type * to use as a start point
- * @head: the head of the list
- * @member: the name of the list_struct within the struct.
- *
- * Prepares a pos entry for use as a start point in list_for_each_entry_continue().
- */
-#define list_prepare_entry(pos, head, member) \
- ((pos) ? : list_entry(head, typeof(*pos), member))
-
-/**
- * list_for_each_entry_continue - continue iteration over list of given type
- * @pos: the type * to use as a loop cursor.
- * @head: the head for your list.
- * @member: the name of the list_struct within the struct.
- *
- * Continue to iterate over list of given type, continuing after
- * the current position.
- */
-#define list_for_each_entry_continue(pos, head, member) \
- for (pos = list_entry(pos->member.next, typeof(*pos), member); \
- &pos->member != (head); \
- pos = list_entry(pos->member.next, typeof(*pos), member))
-
-/**
- * list_for_each_entry_continue_reverse - iterate backwards from the given point
- * @pos: the type * to use as a loop cursor.
- * @head: the head for your list.
- * @member: the name of the list_struct within the struct.
- *
- * Start to iterate over list of given type backwards, continuing after
- * the current position.
- */
-#define list_for_each_entry_continue_reverse(pos, head, member) \
- for (pos = list_entry(pos->member.prev, typeof(*pos), member); \
- &pos->member != (head); \
- pos = list_entry(pos->member.prev, typeof(*pos), member))
-
-/**
- * list_for_each_entry_from - iterate over list of given type from the current point
- * @pos: the type * to use as a loop cursor.
- * @head: the head for your list.
- * @member: the name of the list_struct within the struct.
- *
- * Iterate over list of given type, continuing from current position.
- */
-#define list_for_each_entry_from(pos, head, member) \
- for (; &pos->member != (head); \
- pos = list_entry(pos->member.next, typeof(*pos), member))
-
-/**
- * list_for_each_entry_safe - iterate over list of given type safe against removal of list entry
- * @pos: the type * to use as a loop cursor.
- * @n: another type * to use as temporary storage
- * @head: the head for your list.
- * @member: the name of the list_struct within the struct.
- */
-#define list_for_each_entry_safe(pos, n, head, member) \
- for (pos = list_entry((head)->next, typeof(*pos), member), \
- n = list_entry(pos->member.next, typeof(*pos), member); \
- &pos->member != (head); \
- pos = n, n = list_entry(n->member.next, typeof(*n), member))
-
-/**
- * list_for_each_entry_safe_continue
- * @pos: the type * to use as a loop cursor.
- * @n: another type * to use as temporary storage
- * @head: the head for your list.
- * @member: the name of the list_struct within the struct.
- *
- * Iterate over list of given type, continuing after current point,
- * safe against removal of list entry.
- */
-#define list_for_each_entry_safe_continue(pos, n, head, member) \
- for (pos = list_entry(pos->member.next, typeof(*pos), member), \
- n = list_entry(pos->member.next, typeof(*pos), member); \
- &pos->member != (head); \
- pos = n, n = list_entry(n->member.next, typeof(*n), member))
-
-/**
- * list_for_each_entry_safe_from
- * @pos: the type * to use as a loop cursor.
- * @n: another type * to use as temporary storage
- * @head: the head for your list.
- * @member: the name of the list_struct within the struct.
- *
- * Iterate over list of given type from current point, safe against
- * removal of list entry.
- */
-#define list_for_each_entry_safe_from(pos, n, head, member) \
- for (n = list_entry(pos->member.next, typeof(*pos), member); \
- &pos->member != (head); \
- pos = n, n = list_entry(n->member.next, typeof(*n), member))
-
-/**
- * list_for_each_entry_safe_reverse
- * @pos: the type * to use as a loop cursor.
- * @n: another type * to use as temporary storage
- * @head: the head for your list.
- * @member: the name of the list_struct within the struct.
- *
- * Iterate backwards over list of given type, safe against removal
- * of list entry.
- */
-#define list_for_each_entry_safe_reverse(pos, n, head, member) \
- for (pos = list_entry((head)->prev, typeof(*pos), member), \
- n = list_entry(pos->member.prev, typeof(*pos), member); \
- &pos->member != (head); \
- pos = n, n = list_entry(n->member.prev, typeof(*n), member))
-
-/*
- * Double linked lists with a single pointer list head.
- * Mostly useful for hash tables where the two pointer list head is
- * too wasteful.
- * You lose the ability to access the tail in O(1).
- */
-
-struct hlist_head {
- struct hlist_node *first;
-};
-
-struct hlist_node {
- struct hlist_node *next, **pprev;
-};
-
-#define HLIST_HEAD_INIT { .first = NULL }
-#define HLIST_HEAD(name) struct hlist_head name = { .first = NULL }
-#define INIT_HLIST_HEAD(ptr) ((ptr)->first = NULL)
-static inline void INIT_HLIST_NODE(struct hlist_node *h)
-{
- h->next = NULL;
- h->pprev = NULL;
-}
-
-static inline int hlist_unhashed(const struct hlist_node *h)
-{
- return !h->pprev;
-}
-
-static inline int hlist_empty(const struct hlist_head *h)
-{
- return !h->first;
-}
-
-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_del(struct hlist_node *n)
-{
- __hlist_del(n);
- n->next = NULL;
- n->pprev = NULL;
-}
-
-static inline void hlist_del_init(struct hlist_node *n)
-{
- if (!hlist_unhashed(n)) {
- __hlist_del(n);
- INIT_HLIST_NODE(n);
- }
-}
-
-
-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;
-}
-
-
-/* next must be != NULL */
-static inline void hlist_add_before(struct hlist_node *n,
- struct hlist_node *next)
-{
- n->pprev = next->pprev;
- n->next = next;
- next->pprev = &n->next;
- *(n->pprev) = n;
-}
-
-static inline void hlist_add_after(struct hlist_node *n,
- struct hlist_node *next)
-{
- next->next = n->next;
- n->next = next;
- next->pprev = &n->next;
-
- if(next->next)
- next->next->pprev = &next->next;
-}
-
-#define hlist_entry(ptr, type, member) container_of(ptr,type,member)
-
-#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; pos = n)
-
-/**
- * hlist_for_each_entry - iterate over list of given type
- * @tpos: the type * to use as a loop cursor.
- * @pos: the &struct hlist_node to use as a loop cursor.
- * @head: the head for your list.
- * @member: the name of the hlist_node within the struct.
- */
-#define hlist_for_each_entry(tpos, pos, head, member) \
- for (pos = (head)->first; pos && \
- ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
- pos = pos->next)
-
-/**
- * hlist_for_each_entry_continue - iterate over a hlist continuing after current point
- * @tpos: the type * to use as a loop cursor.
- * @pos: the &struct hlist_node to use as a loop cursor.
- * @member: the name of the hlist_node within the struct.
- */
-#define hlist_for_each_entry_continue(tpos, pos, member) \
- for (pos = (pos)->next; pos && \
- ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
- pos = pos->next)
-
-/**
- * hlist_for_each_entry_from - iterate over a hlist continuing from current point
- * @tpos: the type * to use as a loop cursor.
- * @pos: the &struct hlist_node to use as a loop cursor.
- * @member: the name of the hlist_node within the struct.
- */
-#define hlist_for_each_entry_from(tpos, pos, member) \
- for (; pos && \
- ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
- pos = pos->next)
-
-/**
- * hlist_for_each_entry_safe - iterate over list of given type safe against removal of list entry
- * @tpos: the type * to use as a loop cursor.
- * @pos: the &struct hlist_node to use as a loop cursor.
- * @n: another &struct hlist_node to use as temporary storage
- * @head: the head for your list.
- * @member: the name of the hlist_node within the struct.
- */
-#define hlist_for_each_entry_safe(tpos, pos, n, head, member) \
- for (pos = (head)->first; \
- pos && ({ n = pos->next; 1; }) && \
- ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
- pos = n)
-
-#endif
diff --git a/package/wprobe/src/user/wprobe-lib.c b/package/wprobe/src/user/wprobe-lib.c
deleted file mode 100644
index 7a5460bb0..000000000
--- a/package/wprobe/src/user/wprobe-lib.c
+++ /dev/null
@@ -1,1210 +0,0 @@
-/*
- * wprobe.c: Wireless probe user space library
- * Copyright (C) 2008-2009 Felix Fietkau <nbd@openwrt.org>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#define _ISOC99_SOURCE
-#define _BSD_SOURCE
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <getopt.h>
-#include <unistd.h>
-#include <stdbool.h>
-#include <math.h>
-#include <linux/wprobe.h>
-#include <netlink/netlink.h>
-#include <netlink/attr.h>
-#include <netlink/genl/genl.h>
-#ifndef NO_LOCAL_ACCESS
-#include <netlink/genl/ctrl.h>
-#include <netlink/genl/family.h>
-#include <endian.h>
-#endif
-#include "wprobe.h"
-
-#define DEBUG 1
-#ifdef DEBUG
-#define DPRINTF(fmt, ...) fprintf(stderr, "%s(%d): " fmt, __func__, __LINE__, ##__VA_ARGS__)
-#else
-#define DPRINTF(fmt, ...) do {} while (0)
-#endif
-
-#if defined(BYTE_ORDER) && !defined(__BYTE_ORDER)
-#define __LITTLE_ENDIAN LITTLE_ENDIAN
-#define __BIG_ENDIAN BIG_ENDIAN
-#define __BYTE_ORDER BYTE_ORDER
-#endif
-
-#ifndef __BYTE_ORDER
-#error Unknown endian type
-#endif
-
-#define WPROBE_MAX_MSGLEN 65536
-
-static inline __u16 __swab16(__u16 x)
-{
- return x<<8 | x>>8;
-}
-
-static inline __u32 __swab32(__u32 x)
-{
- return x<<24 | x>>24 |
- (x & (__u32)0x0000ff00UL)<<8 |
- (x & (__u32)0x00ff0000UL)>>8;
-}
-
-static inline __u64 __swab64(__u64 x)
-{
- return x<<56 | x>>56 |
- (x & (__u64)0x000000000000ff00ULL)<<40 |
- (x & (__u64)0x0000000000ff0000ULL)<<24 |
- (x & (__u64)0x00000000ff000000ULL)<< 8 |
- (x & (__u64)0x000000ff00000000ULL)>> 8 |
- (x & (__u64)0x0000ff0000000000ULL)>>24 |
- (x & (__u64)0x00ff000000000000ULL)>>40;
-}
-
-
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-#define SWAP16(var) var = __swab16(var)
-#define SWAP32(var) var = __swab32(var)
-#define SWAP64(var) var = __swab64(var)
-#else
-#define SWAP16(var) do {} while(0)
-#define SWAP32(var) do {} while(0)
-#define SWAP64(var) do {} while(0)
-#endif
-
-int wprobe_port = 17990;
-static struct nlattr *tb[WPROBE_ATTR_LAST+1];
-static struct nla_policy attribute_policy[WPROBE_ATTR_LAST+1] = {
- [WPROBE_ATTR_ID] = { .type = NLA_U32 },
- [WPROBE_ATTR_MAC] = { .type = NLA_UNSPEC, .minlen = 6, .maxlen = 6 },
- [WPROBE_ATTR_NAME] = { .type = NLA_STRING },
- [WPROBE_ATTR_FLAGS] = { .type = NLA_U32 },
- [WPROBE_ATTR_TYPE] = { .type = NLA_U8 },
- [WPROBE_ATTR_FLAGS] = { .type = NLA_U32 },
- [WPROBE_VAL_S8] = { .type = NLA_U8 },
- [WPROBE_VAL_S16] = { .type = NLA_U16 },
- [WPROBE_VAL_S32] = { .type = NLA_U32 },
- [WPROBE_VAL_S64] = { .type = NLA_U64 },
- [WPROBE_VAL_U8] = { .type = NLA_U8 },
- [WPROBE_VAL_U16] = { .type = NLA_U16 },
- [WPROBE_VAL_U32] = { .type = NLA_U32 },
- [WPROBE_VAL_U64] = { .type = NLA_U64 },
- [WPROBE_VAL_SUM] = { .type = NLA_U64 },
- [WPROBE_VAL_SUM_SQ] = { .type = NLA_U64 },
- [WPROBE_VAL_SAMPLES] = { .type = NLA_U32 },
- [WPROBE_VAL_SCALE_TIME] = { .type = NLA_U64 },
- [WPROBE_ATTR_INTERVAL] = { .type = NLA_U64 },
- [WPROBE_ATTR_SAMPLES_MIN] = { .type = NLA_U32 },
- [WPROBE_ATTR_SAMPLES_MAX] = { .type = NLA_U32 },
- [WPROBE_ATTR_SAMPLES_SCALE_M] = { .type = NLA_U32 },
- [WPROBE_ATTR_SAMPLES_SCALE_D] = { .type = NLA_U32 },
- [WPROBE_ATTR_FILTER_GROUP] = { .type = NLA_NESTED },
- [WPROBE_ATTR_RXCOUNT] = { .type = NLA_U64 },
- [WPROBE_ATTR_TXCOUNT] = { .type = NLA_U64 },
-};
-
-typedef int (*wprobe_cb_t)(struct nl_msg *, void *);
-
-struct wprobe_iface_ops {
- int (*send_msg)(struct wprobe_iface *dev, struct nl_msg *msg, wprobe_cb_t cb, void *arg);
- void (*free)(struct wprobe_iface *dev);
-};
-
-struct wprobe_attr_cb {
- struct list_head *list;
- char *addr;
-};
-
-#define WPROBE_MAGIC_STR "WPROBE"
-struct wprobe_init_hdr {
- struct {
- char magic[sizeof(WPROBE_MAGIC_STR)];
-
- /* protocol version */
- uint8_t version;
-
- /* extra header length (unused for now) */
- uint16_t extra;
- } pre __attribute__((packed));
- union {
- struct {
- uint16_t genl_family;
- } v0 __attribute__((packed));
- };
-} __attribute__((packed));
-
-struct wprobe_msg_hdr {
- __u16 status;
- __u16 error;
- __u32 len;
-};
-
-enum wprobe_resp_status {
- WPROBE_MSG_DONE = 0,
- WPROBE_MSG_DATA = 1,
-};
-
-static inline void
-wprobe_swap_msg_hdr(struct wprobe_msg_hdr *mhdr)
-{
- SWAP16(mhdr->status);
- SWAP16(mhdr->error);
- SWAP32(mhdr->len);
-}
-
-static int
-save_attribute_handler(struct nl_msg *msg, void *arg)
-{
- struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
- const char *name = "N/A";
- struct wprobe_attribute *attr;
- int type = 0;
- struct wprobe_attr_cb *cb = arg;
-
- nla_parse(tb, WPROBE_ATTR_LAST, genlmsg_attrdata(gnlh, 0),
- genlmsg_attrlen(gnlh, 0), attribute_policy);
-
- if (tb[WPROBE_ATTR_NAME])
- name = nla_data(tb[WPROBE_ATTR_NAME]);
-
- attr = malloc(sizeof(struct wprobe_attribute) + strlen(name) + 1);
- if (!attr)
- return -1;
-
- memset(attr, 0, sizeof(struct wprobe_attribute));
-
- if (tb[WPROBE_ATTR_ID])
- attr->id = nla_get_u32(tb[WPROBE_ATTR_ID]);
-
- if (tb[WPROBE_ATTR_MAC] && cb->addr)
- memcpy(cb->addr, nla_data(tb[WPROBE_ATTR_MAC]), 6);
-
- if (tb[WPROBE_ATTR_FLAGS])
- attr->flags = nla_get_u32(tb[WPROBE_ATTR_FLAGS]);
-
- if (tb[WPROBE_ATTR_TYPE])
- type = nla_get_u8(tb[WPROBE_ATTR_TYPE]);
-
- if ((type < WPROBE_VAL_STRING) ||
- (type > WPROBE_VAL_U64))
- type = 0;
-
- attr->type = type;
- strcpy(attr->name, name);
- INIT_LIST_HEAD(&attr->list);
- list_add(&attr->list, cb->list);
- return 0;
-}
-
-static struct nl_msg *
-wprobe_new_msg(struct wprobe_iface *dev, int cmd, bool dump)
-{
- struct nl_msg *msg;
- uint32_t flags = 0;
-
- msg = nlmsg_alloc_size(65536);
- if (!msg)
- return NULL;
-
- if (dump)
- flags |= NLM_F_DUMP;
-
- genlmsg_put(msg, 0, 0, dev->genl_family,
- 0, flags, cmd, 0);
-
- NLA_PUT_STRING(msg, WPROBE_ATTR_INTERFACE, dev->ifname);
-nla_put_failure:
- return msg;
-}
-
-
-static int
-dump_attributes(struct wprobe_iface *dev, bool link, struct list_head *list, char *addr)
-{
- struct nl_msg *msg;
- struct wprobe_attr_cb cb;
-
- cb.list = list;
- cb.addr = addr;
- msg = wprobe_new_msg(dev, WPROBE_CMD_GET_LIST, true);
- if (!msg)
- return -ENOMEM;
-
- if (link)
- NLA_PUT(msg, WPROBE_ATTR_MAC, 6, "\x00\x00\x00\x00\x00\x00");
-
- return dev->ops->send_msg(dev, msg, save_attribute_handler, &cb);
-
-nla_put_failure:
- nlmsg_free(msg);
- return -EINVAL;
-}
-
-static struct wprobe_iface *
-wprobe_alloc_dev(void)
-{
- struct wprobe_iface *dev;
-
- dev = malloc(sizeof(struct wprobe_iface));
- if (!dev)
- return NULL;
-
- memset(dev, 0, sizeof(struct wprobe_iface));
-
- dev->interval = -1;
- dev->scale_min = -1;
- dev->scale_max = -1;
- dev->scale_m = -1;
- dev->scale_d = -1;
- dev->sockfd = -1;
-
- INIT_LIST_HEAD(&dev->global_attr);
- INIT_LIST_HEAD(&dev->link_attr);
- INIT_LIST_HEAD(&dev->links);
- return dev;
-}
-
-static int
-wprobe_init_dev(struct wprobe_iface *dev)
-{
- dump_attributes(dev, false, &dev->global_attr, NULL);
- dump_attributes(dev, true, &dev->link_attr, NULL);
- return 0;
-}
-
-#ifndef NO_LOCAL_ACCESS
-static int n_devs = 0;
-static struct nl_sock *handle = NULL;
-static struct nl_cache *cache = NULL;
-static struct genl_family *family = NULL;
-
-static int
-error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err, void *arg)
-{
- int *ret = arg;
- *ret = err->error;
- return NL_STOP;
-}
-
-static int
-finish_handler(struct nl_msg *msg, void *arg)
-{
- int *ret = arg;
- *ret = 0;
- return NL_SKIP;
-}
-
-static int
-ack_handler(struct nl_msg *msg, void *arg)
-{
- int *ret = arg;
- *ret = 0;
- return NL_STOP;
-}
-
-static void
-wprobe_local_free(struct wprobe_iface *dev)
-{
- /* should not happen */
- if (n_devs == 0)
- return;
-
- if (--n_devs != 0)
- return;
-
- if (cache)
- nl_cache_free(cache);
- if (handle)
- nl_socket_free(handle);
- handle = NULL;
- cache = NULL;
-}
-
-static int
-wprobe_local_init(void)
-{
- int ret;
-
- if (n_devs++ > 0)
- return 0;
-
- handle = nl_socket_alloc();
- if (!handle) {
- DPRINTF("Failed to create handle\n");
- goto err;
- }
-
- if (genl_connect(handle)) {
- DPRINTF("Failed to connect to generic netlink\n");
- goto err;
- }
-
- ret = genl_ctrl_alloc_cache(handle, &cache);
- if (ret < 0) {
- DPRINTF("Failed to allocate netlink cache\n");
- goto err;
- }
-
- family = genl_ctrl_search_by_name(cache, "wprobe");
- if (!family) {
- DPRINTF("wprobe API not present\n");
- goto err;
- }
- return 0;
-
-err:
- wprobe_local_free(NULL);
- return -EINVAL;
-}
-
-
-static int
-wprobe_local_send_msg(struct wprobe_iface *dev, struct nl_msg *msg, wprobe_cb_t callback, void *arg)
-{
- struct nl_cb *cb;
- int err = 0;
-
- cb = nl_cb_alloc(NL_CB_DEFAULT);
- if (!cb)
- goto out_no_cb;
-
- if (callback)
- nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, callback, arg);
-
- err = nl_send_auto_complete(handle, msg);
- if (err < 0)
- goto out;
-
- err = 1;
-
- nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
- nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
- nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
-
- while (err > 0)
- nl_recvmsgs(handle, cb);
-
-out:
- nl_cb_put(cb);
-out_no_cb:
- nlmsg_free(msg);
- return err;
-}
-
-static const struct wprobe_iface_ops wprobe_local_ops = {
- .send_msg = wprobe_local_send_msg,
- .free = wprobe_local_free,
-};
-
-struct wprobe_iface *
-wprobe_get_dev(const char *ifname)
-{
- struct wprobe_iface *dev;
-
- if (wprobe_local_init() != 0)
- return NULL;
-
- dev = wprobe_alloc_dev();
- if (!dev)
- goto error_alloc;
-
- dev->ifname = strdup(ifname);
- dev->ops = &wprobe_local_ops;
- dev->genl_family = genl_family_get_id(family);
-
- if (wprobe_init_dev(dev) < 0)
- goto error;
-
- return dev;
-
-error:
- free(dev);
-error_alloc:
- wprobe_local_free(NULL);
- return NULL;
-}
-
-#endif
-
-static void swap_nlmsghdr(struct nlmsghdr *nlh)
-{
- SWAP32(nlh->nlmsg_len);
- SWAP16(nlh->nlmsg_type);
- SWAP16(nlh->nlmsg_flags);
- SWAP32(nlh->nlmsg_seq);
- SWAP32(nlh->nlmsg_pid);
-}
-
-static void swap_genlmsghdr(struct genlmsghdr *gnlh)
-{
-#if 0 /* probably unnecessary */
- SWAP16(gnlh->reserved);
-#endif
-}
-
-static void
-wprobe_swap_nested(void *data, int len, bool outgoing)
-{
- void *end = data + len;
-
- while (data < end) {
- struct nlattr *nla = data;
- unsigned int type, len;
-
- if (!outgoing) {
- SWAP16(nla->nla_len);
- SWAP16(nla->nla_type);
-
- /* required for further sanity checks */
- if (data + nla->nla_len > end)
- nla->nla_len = end - data;
- }
-
- len = NLA_ALIGN(nla->nla_len);
- type = nla->nla_type & NLA_TYPE_MASK;
-
- if (type <= WPROBE_ATTR_LAST) {
-#if __BYTE_ORDER == __LITTLE_ENDIAN
- switch(attribute_policy[type].type) {
- case NLA_U16:
- SWAP16(*(__u16 *)nla_data(nla));
- break;
- case NLA_U32:
- SWAP32(*(__u32 *)nla_data(nla));
- break;
- case NLA_U64:
- SWAP64(*(__u64 *)nla_data(nla));
- break;
- case NLA_NESTED:
- wprobe_swap_nested(nla_data(nla), nla_len(nla), outgoing);
- break;
- }
-#endif
- }
- data += len;
-
- if (outgoing) {
- SWAP16(nla->nla_len);
- SWAP16(nla->nla_type);
- }
- if (!nla->nla_len)
- break;
- }
-}
-
-static struct nl_msg *
-wprobe_msg_from_network(int socket, int len)
-{
- struct genlmsghdr *gnlh;
- struct nlmsghdr *nlh;
- struct nl_msg *msg;
- void *data;
-
- msg = nlmsg_alloc_size(len + 32);
- if (!msg)
- return NULL;
-
- nlh = nlmsg_hdr(msg);
- if (read(socket, nlh, len) != len)
- goto free;
-
- swap_nlmsghdr(nlh);
- if (nlh->nlmsg_len > len)
- goto free;
-
- gnlh = nlmsg_data(nlh);
- swap_genlmsghdr(gnlh);
-
- data = genlmsg_data(gnlh);
- wprobe_swap_nested(data, genlmsg_len(gnlh), false);
-
- return msg;
-free:
- nlmsg_free(msg);
- return NULL;
-}
-
-static int
-wprobe_msg_to_network(int socket, struct nl_msg *msg)
-{
- struct nlmsghdr *nlh = nlmsg_hdr(msg);
- struct wprobe_msg_hdr mhdr;
- struct genlmsghdr *gnlh;
- void *buf, *data;
- int buflen, datalen;
- int ret;
-
- buflen = nlh->nlmsg_len;
- buf = malloc(buflen);
- if (!buf)
- return -ENOMEM;
-
- memset(&mhdr, 0, sizeof(mhdr));
- mhdr.status = WPROBE_MSG_DATA;
- mhdr.len = buflen;
- wprobe_swap_msg_hdr(&mhdr);
- ret = write(socket, &mhdr, sizeof(mhdr));
- if (ret < 0)
- goto out;
-
- memcpy(buf, nlh, buflen);
- nlh = buf;
- gnlh = nlmsg_data(nlh);
- data = genlmsg_data(gnlh);
- datalen = genlmsg_len(gnlh);
-
- wprobe_swap_nested(data, datalen, true);
- swap_genlmsghdr(gnlh);
- swap_nlmsghdr(nlh);
- ret = write(socket, buf, buflen);
-
-out:
- free(buf);
-
- return ret;
-}
-
-static int
-wprobe_remote_send_msg(struct wprobe_iface *dev, struct nl_msg *msg, wprobe_cb_t callback, void *arg)
-{
- struct wprobe_msg_hdr mhdr;
- int msgs = 0;
-
- wprobe_msg_to_network(dev->sockfd, msg);
- nlmsg_free(msg);
- do {
- if (read(dev->sockfd, &mhdr, sizeof(mhdr)) != sizeof(mhdr)) {
- DPRINTF("Failed to read response header\n");
- return -1;
- }
- wprobe_swap_msg_hdr(&mhdr);
-
- switch(mhdr.status) {
- case WPROBE_MSG_DATA:
- if (mhdr.len > WPROBE_MAX_MSGLEN) {
- fprintf(stderr, "Invalid length in received response message.\n");
- exit(1);
- }
-
- msg = wprobe_msg_from_network(dev->sockfd, mhdr.len);
- if (!msg)
- return -EINVAL;
-
- msgs++;
- callback(msg, arg);
- nlmsg_free(msg);
- break;
- }
- } while (mhdr.status != WPROBE_MSG_DONE);
-
- if (mhdr.error)
- return -mhdr.error;
- else
- return msgs;
-}
-
-
-static void
-wprobe_socket_dev_free(struct wprobe_iface *dev)
-{
- if (dev->sockfd >= 0)
- close(dev->sockfd);
-}
-
-static const struct wprobe_iface_ops wprobe_remote_ops = {
- .send_msg = wprobe_remote_send_msg,
- .free = wprobe_socket_dev_free,
-};
-
-
-#ifndef NO_LOCAL_ACCESS
-int
-wprobe_server_init(int socket)
-{
- struct wprobe_init_hdr hdr;
- int ret;
-
- ret = wprobe_local_init();
- if (ret != 0)
- return ret;
-
- memset(&hdr, 0, sizeof(hdr));
- memcpy(hdr.pre.magic, WPROBE_MAGIC_STR, sizeof(WPROBE_MAGIC_STR));
- hdr.pre.version = 0;
- hdr.v0.genl_family = genl_family_get_id(family);
- SWAP16(hdr.v0.genl_family);
- write(socket, (unsigned char *)&hdr, sizeof(hdr));
-
- return 0;
-}
-
-static int
-wprobe_server_cb(struct nl_msg *msg, void *arg)
-{
- int *socket = arg;
- int ret;
-
- ret = wprobe_msg_to_network(*socket, msg);
- if (ret > 0)
- ret = 0;
-
- return ret;
-}
-
-
-int
-wprobe_server_handle(int socket)
-{
- struct wprobe_msg_hdr mhdr;
- struct nl_msg *msg;
- int ret;
-
- ret = read(socket, &mhdr, sizeof(mhdr));
- if (ret != sizeof(mhdr)) {
- if (ret <= 0)
- return -1;
-
- DPRINTF("Failed to read request header\n");
- return -EINVAL;
- }
- wprobe_swap_msg_hdr(&mhdr);
-
- switch(mhdr.status) {
- case WPROBE_MSG_DATA:
- if (mhdr.len > WPROBE_MAX_MSGLEN) {
- DPRINTF("Invalid length in received response message.\n");
- return -EINVAL;
- }
- msg = wprobe_msg_from_network(socket, mhdr.len);
- break;
- default:
- DPRINTF("Invalid request header type\n");
- return -ENOENT;
- }
-
- if (!msg) {
- DPRINTF("Failed to get message\n");
- return -EINVAL;
- }
-
- ret = wprobe_local_send_msg(NULL, msg, wprobe_server_cb, &socket);
-
- memset(&mhdr, 0, sizeof(mhdr));
- mhdr.status = WPROBE_MSG_DONE;
- if (ret < 0)
- mhdr.error = (uint16_t) -ret;
-
- ret = write(socket, (unsigned char *)&mhdr, sizeof(mhdr));
- if (ret > 0)
- ret = 0;
-
- return ret;
-}
-
-void
-wprobe_server_done(void)
-{
- wprobe_local_free(NULL);
-}
-#endif
-
-struct wprobe_iface *
-wprobe_get_from_socket(int socket, const char *name)
-{
- struct wprobe_iface *dev;
- struct wprobe_init_hdr hdr;
-
- dev = wprobe_alloc_dev();
- if (!dev)
- goto out;
-
- dev->ops = &wprobe_remote_ops;
- dev->sockfd = socket;
- dev->ifname = strdup(name);
-
- /* read version and header length */
- if (read(socket, &hdr.pre, sizeof(hdr.pre)) != sizeof(hdr.pre)) {
- DPRINTF("Could not read header\n");
- goto error;
- }
-
- /* magic not found */
- if (memcmp(hdr.pre.magic, WPROBE_MAGIC_STR, sizeof(hdr.pre.magic)) != 0) {
- DPRINTF("Magic does not match\n");
- goto error;
- }
-
- /* unsupported version */
- if (hdr.pre.version != 0) {
- DPRINTF("Protocol version does not match\n");
- goto error;
- }
-
- if (read(socket, &hdr.v0, sizeof(hdr.v0)) != sizeof(hdr.v0)) {
- DPRINTF("Could not read header data\n");
- goto error;
- }
-
- SWAP16(hdr.pre.extra);
- SWAP16(hdr.v0.genl_family);
- dev->genl_family = hdr.v0.genl_family;
-
- if (wprobe_init_dev(dev) < 0) {
- DPRINTF("Could not initialize device\n");
- goto error;
- }
-
-out:
- return dev;
-
-error:
- wprobe_free_dev(dev);
- return NULL;
-}
-
-struct wprobe_iface *
-wprobe_get_auto(const char *arg, char **err)
-{
- static struct sockaddr_in sa;
- static char errbuf[512];
-
- struct wprobe_iface *dev = NULL;
- struct hostent *h;
- char *devstr = strdup(arg);
- char *sep = NULL;
- int sock = -1;
- int len;
-
- if (err)
- *err = NULL;
-
- sep = strchr(devstr, ':');
- if (!sep) {
-#ifndef NO_LOCAL_ACCESS
- free(devstr);
- return wprobe_get_dev(arg);
-#else
- if (err)
- *err = "Invalid argument";
- goto out;
-#endif
- }
-
- *sep = 0;
- sep++;
-
- sock = socket(AF_INET, SOCK_STREAM, 0);
- if (sock < 0)
- goto syserr;
-
- h = gethostbyname(devstr);
- if (!h) {
- sprintf(errbuf, "Host not found");
- goto out_err;
- }
-
- memcpy(&sa.sin_addr, h->h_addr, h->h_length);
- sa.sin_family = AF_INET;
- sa.sin_port = htons(wprobe_port);
- if (connect(sock, (struct sockaddr *)&sa, sizeof(sa)) < 0)
- goto syserr;
-
- dev = wprobe_get_from_socket(sock, sep);
- if (!dev) {
- sprintf(errbuf, "wprobe connection initialization failed");
- goto out_err;
- }
- goto out;
-
-syserr:
- if (err) {
- strcpy(errbuf, "Connection failed: ");
- len = strlen(errbuf);
- strerror_r(errno, errbuf + len, sizeof(errbuf) - len - 1);
- }
-out_err:
- if (err)
- *err = errbuf;
- if (sock >= 0)
- close(sock);
-out:
- if (devstr)
- free(devstr);
- return dev;
-}
-
-static void
-free_attr_list(struct list_head *list)
-{
- struct wprobe_attribute *attr, *tmp;
-
- list_for_each_entry_safe(attr, tmp, list, list) {
- list_del(&attr->list);
- free(attr);
- }
-}
-
-void
-wprobe_free_dev(struct wprobe_iface *dev)
-{
- if (dev->ops->free)
- dev->ops->free(dev);
- free_attr_list(&dev->global_attr);
- free_attr_list(&dev->link_attr);
- free((void *)dev->ifname);
- free(dev);
-}
-
-static struct wprobe_link *
-get_link(struct list_head *list, const char *addr)
-{
- struct wprobe_link *l;
-
- list_for_each_entry(l, list, list) {
- if (!memcmp(l->addr, addr, 6)) {
- list_del_init(&l->list);
- goto out;
- }
- }
-
- /* no previous link found, allocate a new one */
- l = malloc(sizeof(struct wprobe_link));
- if (!l)
- goto out;
-
- memset(l, 0, sizeof(struct wprobe_link));
- memcpy(l->addr, addr, sizeof(l->addr));
- INIT_LIST_HEAD(&l->list);
-
-out:
- return l;
-}
-
-struct wprobe_save_cb {
- struct list_head *list;
- struct list_head old_list;
-};
-
-static int
-save_link_handler(struct nl_msg *msg, void *arg)
-{
- struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
- struct wprobe_link *link;
- struct wprobe_save_cb *cb = arg;
- const char *addr;
-
- nla_parse(tb, WPROBE_ATTR_LAST, genlmsg_attrdata(gnlh, 0),
- genlmsg_attrlen(gnlh, 0), attribute_policy);
-
- if (!tb[WPROBE_ATTR_MAC] || (nla_len(tb[WPROBE_ATTR_MAC]) != 6))
- return -1;
-
- addr = nla_data(tb[WPROBE_ATTR_MAC]);
- link = get_link(&cb->old_list, addr);
- if (!link)
- return -1;
-
- if (tb[WPROBE_ATTR_FLAGS])
- link->flags = nla_get_u32(tb[WPROBE_ATTR_FLAGS]);
-
- list_add_tail(&link->list, cb->list);
- return 0;
-}
-
-
-int
-wprobe_update_links(struct wprobe_iface *dev)
-{
- struct wprobe_link *l, *tmp;
- struct nl_msg *msg;
- struct wprobe_save_cb cb;
- int err;
-
- INIT_LIST_HEAD(&cb.old_list);
- list_splice_init(&dev->links, &cb.old_list);
- cb.list = &dev->links;
-
- msg = wprobe_new_msg(dev, WPROBE_CMD_GET_LINKS, true);
- if (!msg)
- return -ENOMEM;
-
- err = dev->ops->send_msg(dev, msg, save_link_handler, &cb);
- if (err < 0)
- return err;
-
- list_for_each_entry_safe(l, tmp, &cb.old_list, list) {
- list_del(&l->list);
- free(l);
- }
-
- return 0;
-}
-
-
-struct wprobe_filter_data
-{
- wprobe_filter_cb cb;
- void *arg;
- struct wprobe_filter_item *buf;
- int buflen;
-};
-
-static int
-dump_filter_handler(struct nl_msg *msg, void *arg)
-{
- struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
- struct wprobe_filter_data *data = arg;
- struct nlattr *p;
- const char *name;
- int count = 0;
- int len;
-
- nla_parse(tb, WPROBE_ATTR_LAST, genlmsg_attrdata(gnlh, 0),
- genlmsg_attrlen(gnlh, 0), attribute_policy);
-
- if (!tb[WPROBE_ATTR_NAME] || !tb[WPROBE_ATTR_FILTER_GROUP])
- return -1;
-
- name = nla_data(tb[WPROBE_ATTR_NAME]);
- nla_for_each_nested(p, tb[WPROBE_ATTR_FILTER_GROUP], len) {
- count++;
- }
-
- if (data->buflen < count) {
- if (data->buf)
- free(data->buf);
- data->buflen = count;
- data->buf = malloc(sizeof(struct wprobe_filter_item) * count);
- memset(data->buf, 0, sizeof(struct wprobe_filter_item) * count);
- }
-
- count = 0;
- nla_for_each_nested(p, tb[WPROBE_ATTR_FILTER_GROUP], len) {
- struct wprobe_filter_item *fi;
-
- nla_parse(tb, WPROBE_ATTR_LAST, nla_data(p),
- nla_len(p), attribute_policy);
-
- if (!tb[WPROBE_ATTR_NAME] || !tb[WPROBE_ATTR_RXCOUNT]
- || !tb[WPROBE_ATTR_TXCOUNT])
- continue;
-
- fi = &data->buf[count++];
- strncpy(fi->name, nla_data(tb[WPROBE_ATTR_NAME]), sizeof(fi->name) - 1);
- fi->name[sizeof(fi->name) - 1] = 0;
- fi->rx = nla_get_u64(tb[WPROBE_ATTR_RXCOUNT]);
- fi->tx = nla_get_u64(tb[WPROBE_ATTR_TXCOUNT]);
- }
- data->cb(data->arg, name, data->buf, count);
-
- return 0;
-}
-
-int
-wprobe_dump_filters(struct wprobe_iface *dev, wprobe_filter_cb cb, void *arg)
-{
- struct wprobe_filter_data data;
- struct nl_msg *msg;
- int err;
-
- data.buf = 0;
- data.buflen = 0;
- data.cb = cb;
- data.arg = arg;
-
- msg = wprobe_new_msg(dev, WPROBE_CMD_GET_FILTER, true);
- if (!msg)
- return -ENOMEM;
-
- err = dev->ops->send_msg(dev, msg, dump_filter_handler, &data);
- if (err < 0)
- return err;
-
- return 0;
-}
-
-int
-wprobe_apply_config(struct wprobe_iface *dev)
-{
- struct nl_msg *msg;
-
- msg = wprobe_new_msg(dev, WPROBE_CMD_CONFIG, false);
- if (!msg)
- return -ENOMEM;
-
- if (dev->interval >= 0)
- NLA_PUT_MSECS(msg, WPROBE_ATTR_INTERVAL, dev->interval);
-
- if (dev->filter_len < 0) {
- NLA_PUT(msg, WPROBE_ATTR_FILTER, 0, NULL);
- dev->filter_len = 0;
- } else if (dev->filter && dev->filter_len > 0) {
- NLA_PUT(msg, WPROBE_ATTR_FILTER, dev->filter_len, dev->filter);
- }
- dev->filter = NULL;
-
- dev->ops->send_msg(dev, msg, NULL, NULL);
- return 0;
-
-nla_put_failure:
- nlmsg_free(msg);
- return -ENOMEM;
-}
-
-int
-wprobe_measure(struct wprobe_iface *dev)
-{
- struct nl_msg *msg;
-
- msg = wprobe_new_msg(dev, WPROBE_CMD_MEASURE, false);
- if (!msg)
- return -ENOMEM;
-
- dev->ops->send_msg(dev, msg, NULL, NULL);
- return 0;
-}
-
-struct wprobe_request_cb {
- struct list_head *list;
- struct list_head old_list;
- char *addr;
-};
-
-static int
-save_attrdata_handler(struct nl_msg *msg, void *arg)
-{
- struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
- struct wprobe_request_cb *cb = arg;
- struct wprobe_attribute *attr;
- int type, id;
-
- nla_parse(tb, WPROBE_ATTR_LAST, genlmsg_attrdata(gnlh, 0),
- genlmsg_attrlen(gnlh, 0), attribute_policy);
-
- if (!tb[WPROBE_ATTR_ID])
- return -1;
-
- if (!tb[WPROBE_ATTR_TYPE])
- return -1;
-
- id = nla_get_u32(tb[WPROBE_ATTR_ID]);
- list_for_each_entry(attr, &cb->old_list, list) {
- if (attr->id == id)
- goto found;
- }
- /* not found */
- return -1;
-
-found:
- list_del_init(&attr->list);
-
- type = nla_get_u8(tb[WPROBE_ATTR_TYPE]);
- if (type != attr->type) {
- DPRINTF("WARNING: type mismatch for %s attribute '%s' (%d != %d)\n",
- (cb->addr ? "link" : "global"),
- attr->name,
- type, attr->type);
- goto out;
- }
-
- if ((type < WPROBE_VAL_STRING) ||
- (type > WPROBE_VAL_U64))
- goto out;
-
- memset(&attr->val, 0, sizeof(attr->val));
-
-#define HANDLE_INT_TYPE(_idx, _type) \
- case WPROBE_VAL_S##_type: \
- case WPROBE_VAL_U##_type: \
- attr->val.U##_type = nla_get_u##_type(tb[_idx]); \
- break
-
- switch(type) {
- HANDLE_INT_TYPE(type, 8);
- HANDLE_INT_TYPE(type, 16);
- HANDLE_INT_TYPE(type, 32);
- HANDLE_INT_TYPE(type, 64);
- case WPROBE_VAL_STRING:
- /* unimplemented */
- break;
- }
-#undef HANDLE_TYPE
-
- if (attr->flags & WPROBE_F_KEEPSTAT) {
- if (tb[WPROBE_VAL_SUM])
- attr->val.s = nla_get_u64(tb[WPROBE_VAL_SUM]);
-
- if (tb[WPROBE_VAL_SUM_SQ])
- attr->val.ss = nla_get_u64(tb[WPROBE_VAL_SUM_SQ]);
-
- if (tb[WPROBE_VAL_SAMPLES])
- attr->val.n = nla_get_u32(tb[WPROBE_VAL_SAMPLES]);
-
- if (attr->val.n > 0) {
- float avg = ((float) attr->val.s) / attr->val.n;
- float stdev = sqrt((((float) attr->val.ss) / attr->val.n) - (avg * avg));
- if (isnan(stdev))
- stdev = 0.0f;
- if (isnan(avg))
- avg = 0.0f;
- attr->val.avg = avg;
- attr->val.stdev = stdev;
- }
- }
-
-out:
- list_add_tail(&attr->list, cb->list);
- return 0;
-}
-
-
-int
-wprobe_request_data(struct wprobe_iface *dev, const unsigned char *addr)
-{
- struct wprobe_request_cb cb;
- struct list_head *attrs;
- struct nl_msg *msg;
- int err;
-
- msg = wprobe_new_msg(dev, WPROBE_CMD_GET_INFO, true);
- if (!msg)
- return -ENOMEM;
-
- if (addr) {
- attrs = &dev->link_attr;
- NLA_PUT(msg, WPROBE_ATTR_MAC, 6, addr);
- } else {
- attrs = &dev->global_attr;
- }
-
- INIT_LIST_HEAD(&cb.old_list);
- list_splice_init(attrs, &cb.old_list);
- cb.list = attrs;
-
- err = dev->ops->send_msg(dev, msg, save_attrdata_handler, &cb);
- list_splice(&cb.old_list, attrs->prev);
- return err;
-
-nla_put_failure:
- nlmsg_free(msg);
- return -ENOMEM;
-}
-
-
diff --git a/package/wprobe/src/user/wprobe-util.c b/package/wprobe/src/user/wprobe-util.c
deleted file mode 100644
index 654442f9c..000000000
--- a/package/wprobe/src/user/wprobe-util.c
+++ /dev/null
@@ -1,450 +0,0 @@
-/*
- * wprobe-test.c: Wireless probe user space test code
- * Copyright (C) 2008-2009 Felix Fietkau <nbd@openwrt.org>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/wait.h>
-#include <arpa/inet.h>
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <inttypes.h>
-#include <errno.h>
-#include <stdint.h>
-#include <getopt.h>
-#include <stdbool.h>
-#include <unistd.h>
-#include <netdb.h>
-#include <fcntl.h>
-#include <signal.h>
-
-#include <linux/wprobe.h>
-#include "wprobe.h"
-
-static bool simple_mode = false;
-
-static const char *
-wprobe_dump_value(struct wprobe_attribute *attr)
-{
- static char buf[128];
-
-#define HANDLE_TYPE(_type, _format) \
- case WPROBE_VAL_##_type: \
- snprintf(buf, sizeof(buf), _format, attr->val._type); \
- break
-
- switch(attr->type) {
- HANDLE_TYPE(S8, "%d");
- HANDLE_TYPE(S16, "%d");
- HANDLE_TYPE(S32, "%d");
- HANDLE_TYPE(S64, "%lld");
- HANDLE_TYPE(U8, "%d");
- HANDLE_TYPE(U16, "%d");
- HANDLE_TYPE(U32, "%d");
- HANDLE_TYPE(U64, "%lld");
- case WPROBE_VAL_STRING:
- /* FIXME: implement this */
- default:
- strncpy(buf, "<unknown>", sizeof(buf));
- break;
- }
- if ((attr->flags & WPROBE_F_KEEPSTAT) &&
- (attr->val.n > 0)) {
- int len = strlen(buf);
- if (simple_mode)
- snprintf(buf + len, sizeof(buf) - len, ";%.02f;%.02f;%d;%lld;%lld", attr->val.avg, attr->val.stdev, attr->val.n, attr->val.s, attr->val.ss);
- else
- snprintf(buf + len, sizeof(buf) - len, " (avg: %.02f; stdev: %.02f, n=%d)", attr->val.avg, attr->val.stdev, attr->val.n);
- }
-#undef HANDLE_TYPE
-
- return buf;
-}
-
-
-static void
-wprobe_dump_data(struct wprobe_iface *dev)
-{
- struct wprobe_attribute *attr;
- struct wprobe_link *link;
- bool first = true;
-
- if (!simple_mode)
- fprintf(stdout, "\n");
- wprobe_request_data(dev, NULL);
- list_for_each_entry(attr, &dev->global_attr, list) {
- if (simple_mode) {
- if (first)
- fprintf(stdout, "[global]\n");
- fprintf(stdout, "%s=%s\n", attr->name, wprobe_dump_value(attr));
- } else {
- fprintf(stdout, (first ?
- "Global: %s=%s\n" :
- " %s=%s\n"),
- attr->name,
- wprobe_dump_value(attr)
- );
- }
- first = false;
- }
-
- list_for_each_entry(link, &dev->links, list) {
- first = true;
- wprobe_request_data(dev, link->addr);
- list_for_each_entry(attr, &dev->link_attr, list) {
- if (first) {
- fprintf(stdout,
- (simple_mode ?
- "[%02x:%02x:%02x:%02x:%02x:%02x]\n%s=%s\n" :
- "%02x:%02x:%02x:%02x:%02x:%02x: %s=%s\n"),
- link->addr[0], link->addr[1], link->addr[2],
- link->addr[3], link->addr[4], link->addr[5],
- attr->name,
- wprobe_dump_value(attr));
- first = false;
- } else {
- fprintf(stdout,
- (simple_mode ? "%s=%s\n" :
- " %s=%s\n"),
- attr->name,
- wprobe_dump_value(attr));
- }
- }
- }
- fflush(stdout);
-}
-
-static const char *attr_typestr[] = {
- [0] = "Unknown",
- [WPROBE_VAL_STRING] = "String",
- [WPROBE_VAL_U8] = "Unsigned 8 bit",
- [WPROBE_VAL_U16] = "Unsigned 16 bit",
- [WPROBE_VAL_U32] = "Unsigned 32 bit",
- [WPROBE_VAL_U64] = "Unsigned 64 bit",
- [WPROBE_VAL_S8] = "Signed 8 bit",
- [WPROBE_VAL_S16] = "Signed 16 bit",
- [WPROBE_VAL_S32] = "Signed 32 bit",
- [WPROBE_VAL_S64] = "Signed 64 bit",
-};
-
-static int usage(const char *prog)
-{
- fprintf(stderr,
-#ifndef NO_LOCAL_ACCESS
- "Usage: %s <interface>|<host>:<device>|-P [options]\n"
-#else
- "Usage: %s <host>:<device> [options]\n"
-#endif
- "\n"
- "Options:\n"
- " -a: Print attributes\n"
- " -c: Only apply configuration\n"
- " -d: Delay between measurement dumps (in milliseconds, default: 1000)\n"
- " A value of 0 (zero) prints once and exits; useful for scripts\n"
- " -f: Dump contents of layer 2 filter counters during measurement\n"
- " -F <file>: Apply layer 2 filters from <file>\n"
- " -h: This help text\n"
- " -i <interval>: Set measurement interval\n"
- " -m: Run measurement loop\n"
- " -p: Set the TCP port for server/client (default: 17990)\n"
-#ifndef NO_LOCAL_ACCESS
- " -P: Run in proxy mode (listen on network)\n"
-#endif
- "\n"
- , prog);
- exit(1);
-}
-
-static void show_attributes(struct wprobe_iface *dev)
-{
- struct wprobe_attribute *attr;
- if (simple_mode)
- return;
- list_for_each_entry(attr, &dev->global_attr, list) {
- fprintf(stdout, "Global attribute: '%s' (%s)\n",
- attr->name, attr_typestr[attr->type]);
- }
- list_for_each_entry(attr, &dev->link_attr, list) {
- fprintf(stdout, "Link attribute: '%s' (%s)\n",
- attr->name, attr_typestr[attr->type]);
- }
-}
-
-static void show_filter_simple(void *arg, const char *group, struct wprobe_filter_item *items, int n_items)
-{
- int i;
-
- fprintf(stdout, "[filter:%s]\n", group);
- for (i = 0; i < n_items; i++) {
- fprintf(stdout, "%s=%lld;%lld\n",
- items[i].name, items[i].tx, items[i].rx);
- }
- fflush(stdout);
-}
-
-
-static void show_filter(void *arg, const char *group, struct wprobe_filter_item *items, int n_items)
-{
- int i;
- fprintf(stdout, "Filter group: '%s' (tx/rx)\n", group);
- for (i = 0; i < n_items; i++) {
- fprintf(stdout, " - %s (%lld/%lld)\n",
- items[i].name, items[i].tx, items[i].rx);
- }
-}
-
-static void loop_measurement(struct wprobe_iface *dev, bool print_filters, unsigned long delay)
-{
- do {
- wprobe_update_links(dev);
- wprobe_dump_data(dev);
- if (print_filters)
- wprobe_dump_filters(dev, simple_mode ? show_filter_simple : show_filter, NULL);
- usleep(delay * 1000);
- }
- while (delay);
-}
-
-static void set_filter(struct wprobe_iface *dev, const char *filename)
-{
- unsigned char *buf = NULL;
- unsigned int buflen = 0;
- unsigned int len = 0;
- int fd;
-
- /* clear filter */
- if (filename[0] == 0) {
- dev->filter_len = -1;
- return;
- }
-
- fd = open(filename, O_RDONLY);
- if (fd < 0) {
- perror("open filter");
- return;
- }
-
- do {
- int rlen;
-
- if (!buf) {
- len = 0;
- buflen = 1024;
- buf = malloc(1024);
- } else {
- buflen *= 2;
- buf = realloc(buf, buflen);
- }
- rlen = read(fd, buf + len, buflen - len);
- if (rlen < 0)
- break;
-
- len += rlen;
- } while (len == buflen);
-
- dev->filter = buf;
- dev->filter_len = len;
- close(fd);
-}
-
-#ifndef NO_LOCAL_ACCESS
-
-static void sigchld_handler(int s)
-{
- while (waitpid(-1, NULL, WNOHANG) > 0);
-}
-
-static int run_proxy(int port)
-{
- struct sockaddr_in sa;
- struct sigaction sig;
- int v = 1;
- int s;
-
- s = socket(AF_INET, SOCK_STREAM, 0);
- if (s < 0) {
- perror("socket");
- return 1;
- }
-
- sig.sa_handler = sigchld_handler; // Signal Handler fuer Zombie Prozesse
- sigemptyset(&sig.sa_mask);
- sig.sa_flags = SA_RESTART;
- sigaction(SIGCHLD, &sig, NULL);
-
- memset(&sa, 0, sizeof(sa));
- sa.sin_family = AF_INET;
- sa.sin_addr.s_addr = htonl(INADDR_ANY);
- sa.sin_port = htons(wprobe_port);
-
- setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &v, sizeof(v));
- if (bind(s, (struct sockaddr *) &sa, sizeof(sa)) < 0) {
- perror("bind");
- return 1;
- }
- if (listen(s, 10)) {
- perror("listen");
- return 1;
- }
- while(1) {
- unsigned int addrlen = sizeof(struct sockaddr_in);
- int ret, c;
-
- c = accept(s, (struct sockaddr *)&sa, &addrlen);
- if (c < 0) {
- if (errno == EINTR)
- continue;
-
- perror("accept");
- return 1;
- }
- if (fork() == 0) {
- /* close server socket, stdin, stdout, stderr */
- close(s);
- close(0);
- close(1);
- close(2);
-
- wprobe_server_init(c);
- do {
- ret = wprobe_server_handle(c);
- } while (ret >= 0);
- wprobe_server_done();
- close(c);
- exit(0);
- }
- close(c);
- }
-
- return 0;
-}
-#endif
-
-int main(int argc, char **argv)
-{
- struct wprobe_iface *dev = NULL;
- const char *ifname;
- const char *prog = argv[0];
- char *err = NULL;
- enum {
- CMD_NONE,
- CMD_CONFIG,
- CMD_MEASURE,
- CMD_PROXY,
- } cmd = CMD_NONE;
- const char *filter = NULL;
- bool print_attributes = false;
- bool print_filters = false;
- unsigned long delay = 1000;
- int interval = -1;
- int ch;
-
- if (argc < 2)
- return usage(prog);
-
-#ifndef NO_LOCAL_ACCESS
- if (!strcmp(argv[1], "-P")) {
- while ((ch = getopt(argc - 1, argv + 1, "p:")) != -1) {
- switch(ch) {
- case 'p':
- /* set port */
- wprobe_port = strtoul(optarg, NULL, 0);
- break;
- default:
- return usage(prog);
- }
- }
- return run_proxy(wprobe_port);
- }
-#endif
-
- if (argv[1][0] == '-')
- return usage(prog);
-
- ifname = argv[1];
- argv++;
- argc--;
-
- while ((ch = getopt(argc, argv, "acd:fF:hi:msp:")) != -1) {
- switch(ch) {
- case 'a':
- print_attributes = true;
- break;
- case 'c':
- cmd = CMD_CONFIG;
- break;
- case 'd':
- delay = strtoul(optarg, NULL, 10);
- break;
- case 'm':
- cmd = CMD_MEASURE;
- break;
- case 'i':
- interval = strtoul(optarg, NULL, 10);
- break;
- case 'f':
- print_filters = true;
- break;
- case 'F':
- if (filter) {
- fprintf(stderr, "Cannot set multiple filters\n");
- return usage(prog);
- }
- filter = optarg;
- break;
- case 's':
- simple_mode = true;
- break;
- case 'p':
- /* set port */
- wprobe_port = strtoul(optarg, NULL, 0);
- break;
- case 'h':
- default:
- usage(prog);
- break;
- }
- }
-
- dev = wprobe_get_auto(ifname, &err);
- if (!dev || (list_empty(&dev->global_attr) &&
- list_empty(&dev->link_attr))) {
- if (err)
- fprintf(stdout, "%s\n", err);
- else
- fprintf(stderr, "Interface '%s' not found\n", ifname);
- return 1;
- }
-
- if (filter || interval >= 0) {
- if (filter)
- set_filter(dev, filter);
- if (interval >= 0)
- dev->interval = interval;
-
- wprobe_apply_config(dev);
- }
-
- if (cmd != CMD_CONFIG) {
- if (print_attributes)
- show_attributes(dev);
- }
- if (cmd == CMD_MEASURE)
- loop_measurement(dev, print_filters, delay);
-
- wprobe_free_dev(dev);
-
- return 0;
-}
diff --git a/package/wprobe/src/user/wprobe.h b/package/wprobe/src/user/wprobe.h
deleted file mode 100644
index 706facc80..000000000
--- a/package/wprobe/src/user/wprobe.h
+++ /dev/null
@@ -1,213 +0,0 @@
-/*
- * wprobe.h: Wireless probe user space library
- * Copyright (C) 2008-2009 Felix Fietkau <nbd@openwrt.org>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#ifndef __WPROBE_USER_H
-#define __WPROBE_USER_H
-#include <inttypes.h>
-#include <stdint.h>
-#include <stdbool.h>
-#include "list.h"
-
-/**
- * struct wprobe_value: data structure for attribute values
- * @STRING: string value (currently unsupported)
- * @U8: unsigned 8-bit integer value
- * @U16: unsigned 16-bit integer value
- * @U32: unsigned 32-bit integer value
- * @U64: unsigned 64-bit integer value
- * @S8: signed 8-bit integer value
- * @S16: signed 16-bit integer value
- * @S32: signed 32-bit integer value
- * @S64: signed 64-bit integer value
- *
- * @n: number of sample values
- * @avg: average value
- * @stdev: standard deviation
- * @s: sum of all sample values (internal use)
- * @ss: sum of all sample values squared (internal use)
- */
-struct wprobe_value {
- /* attribute value */
- union {
- const char *STRING;
- uint8_t U8;
- uint16_t U16;
- uint32_t U32;
- uint64_t U64;
- int8_t S8;
- int16_t S16;
- int32_t S32;
- int64_t S64;
- };
- /* statistics */
- int64_t s, ss;
- float avg, stdev;
- unsigned int n;
-};
-
-/**
- * struct wprobe_attribute: data structures for attribute descriptions
- * @list: linked list data structure for a list of attributes
- * @id: attribute id
- * @type: netlink type for the attribute (see kernel api documentation)
- * @flags: attribute flags (see kernel api documentation)
- * @val: cached version of the last netlink query, will be overwritten on each request
- * @name: attribute name
- */
-struct wprobe_attribute {
- struct list_head list;
- int id;
- int type;
- uint32_t flags;
- struct wprobe_value val;
- char name[];
-};
-
-/**
- * struct wprobe_link: data structure for the link description
- * @list: linked list data structure for a list of links
- * @flags: link flags (see kernel api documentation)
- * @addr: mac address of the remote link partner
- */
-struct wprobe_link {
- struct list_head list;
- uint32_t flags;
- unsigned char addr[6];
-};
-
-struct wprobe_filter_item {
- char name[32];
- uint64_t rx;
- uint64_t tx;
-};
-
-struct wprobe_iface_ops;
-struct wprobe_iface {
- const struct wprobe_iface_ops *ops;
-
- int sockfd;
- const char *ifname;
- unsigned int genl_family;
- char addr[6];
-
- struct list_head global_attr;
- struct list_head link_attr;
- struct list_head links;
-
- /* config */
- int interval;
- int scale_min;
- int scale_max;
- int scale_m;
- int scale_d;
-
- /* filter */
- void *filter;
-
- /* filter_len:
- * set to -1 to drop the current filter
- * automatically reset to 0 after config apply
- */
- int filter_len;
-};
-
-typedef void (*wprobe_filter_cb)(void *arg, const char *group, struct wprobe_filter_item *items, int n_items);
-extern int wprobe_port;
-
-/**
- * wprobe_update_links: get a list of all link partners
- * @dev: wprobe device structure
- * @list: linked list for storing link descriptions
- *
- * when wprobe_update_links is called multiple times, the linked list
- * is updated with new link partners, old entries are automatically expired
- */
-extern int wprobe_update_links(struct wprobe_iface *dev);
-
-/**
- * wprobe_dump_filters: dump all layer 2 filter counters
- * @dev: wprobe device structure
- * @cb: callback (called once per filter group)
- * @arg: user argument for the callback
- */
-extern int wprobe_dump_filters(struct wprobe_iface *dev, wprobe_filter_cb cb, void *arg);
-
-/**
- * wprobe_measure: start a measurement request for all global attributes
- * @dev: wprobe device structure
- *
- * not all attributes are automatically filled with data, since for some
- * it may be desirable to control the sampling interval from user space
- * you can use this function to do that.
- */
-extern int wprobe_measure(struct wprobe_iface *dev);
-
-/**
- * wprobe_get_dev: get a handle to a local wprobe device
- * @ifname: name of the wprobe interface
- *
- * queries the wprobe interface for all attributes
- * must be freed with wprobe_free_dev
- */
-extern struct wprobe_iface *wprobe_get_dev(const char *ifname);
-
-/**
- * wprobe_get_auto: get a handle to a local or remote wprobe device
- * @arg: pointer to the wprobe device, either <dev> (local) or <host>:<dev> (remote)
- */
-extern struct wprobe_iface *wprobe_get_auto(const char *arg, char **err);
-
-/**
- * wprobe_get_dev: free all device information
- * @dev: wprobe device structure
- */
-extern void wprobe_free_dev(struct wprobe_iface *dev);
-
-/**
- * wprobe_apply_config: apply configuration data
- * @dev: wprobe device structure
- *
- * uploads all configuration values from @dev that are not set to -1
- */
-extern int wprobe_apply_config(struct wprobe_iface *dev);
-
-/**
- * wprobe_request_data: request new sampling values for the given list of attributes
- * @dev: wprobe device structure
- * @addr: (optional) mac address of the link partner
- *
- * if addr is unset, global values are stored in the global attributes list
- * if addr is set, per-link values for the given address are stored in the link attributes list
- */
-extern int wprobe_request_data(struct wprobe_iface *dev, const unsigned char *addr);
-
-/**
- * wprobe_server_init: send a wprobe server init message to a server's client socket
- * @socket: socket of the connection to the client
- */
-extern int wprobe_server_init(int socket);
-
-/**
- * wprobe_server_handle: read a request from the client socket, process it, send the response
- * @socket: socket of the connection to the client
- */
-extern int wprobe_server_handle(int socket);
-
-/**
- * wprobe_server_done: release memory allocated for the server connection
- */
-extern void wprobe_server_done(void);
-
-#endif