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Diffstat (limited to 'package/wprobe/src/kernel/linux/wprobe.h')
-rw-r--r--package/wprobe/src/kernel/linux/wprobe.h81
1 files changed, 77 insertions, 4 deletions
diff --git a/package/wprobe/src/kernel/linux/wprobe.h b/package/wprobe/src/kernel/linux/wprobe.h
index 9536a929a8..901daf3d10 100644
--- a/package/wprobe/src/kernel/linux/wprobe.h
+++ b/package/wprobe/src/kernel/linux/wprobe.h
@@ -23,6 +23,7 @@
#include <linux/module.h>
#include <linux/list.h>
#include <linux/timer.h>
+#include <linux/filter.h>
#include <net/genetlink.h>
#endif
@@ -103,6 +104,11 @@ enum wprobe_attr {
WPROBE_ATTR_SAMPLES_MAX,
WPROBE_ATTR_SAMPLES_SCALE_M,
WPROBE_ATTR_SAMPLES_SCALE_D,
+ WPROBE_ATTR_FILTER,
+
+ WPROBE_ATTR_FILTER_GROUP,
+ WPROBE_ATTR_RXCOUNT,
+ WPROBE_ATTR_TXCOUNT,
WPROBE_ATTR_LAST
};
@@ -118,6 +124,8 @@ enum wprobe_attr {
* @WPROBE_CMD_SET_FLAGS: set global/link flags
* @WPROBE_CMD_MEASURE: take a snapshot of the current data
* @WPROBE_CMD_GET_LINKS: get a list of links
+ * @WPROBE_CMD_CONFIG: set config options
+ * @WPROBE_CMD_GET_FILTER: get counters for active filters
*
* @WPROBE_CMD_LAST: unused
*
@@ -133,13 +141,14 @@ enum wprobe_cmd {
WPROBE_CMD_MEASURE,
WPROBE_CMD_GET_LINKS,
WPROBE_CMD_CONFIG,
+ WPROBE_CMD_GET_FILTER,
WPROBE_CMD_LAST
};
/**
* enum wprobe_flags: flags for wprobe links and items
* @WPROBE_F_KEEPSTAT: keep statistics for this link/device
- * @WPROBE_F_RESET: reset statistics now (used only in WPROBE_CMD_SET_LINK)
+ * @WPROBE_F_RESET: reset statistics now
* @WPROBE_F_NEWDATA: used to indicate that a value has been updated
*/
enum wprobe_flags {
@@ -153,6 +162,7 @@ enum wprobe_flags {
struct wprobe_link;
struct wprobe_item;
struct wprobe_source;
+struct wprobe_value;
/**
* struct wprobe_link - data structure describing a wireless link
@@ -170,7 +180,7 @@ struct wprobe_link {
char addr[ETH_ALEN];
u32 flags;
void *priv;
- void *val;
+ struct wprobe_value *val;
};
/**
@@ -211,6 +221,58 @@ struct wprobe_value {
u64 scale_timestamp;
};
+struct wprobe_filter_item_hdr {
+ char name[32];
+ __be32 n_items;
+} __attribute__((packed));
+
+struct wprobe_filter_item {
+ struct wprobe_filter_item_hdr hdr;
+ struct sock_filter filter[];
+} __attribute__((packed));
+
+struct wprobe_filter_counter {
+ u64 tx;
+ u64 rx;
+};
+
+struct wprobe_filter_group {
+ const char *name;
+ int n_items;
+ struct wprobe_filter_item **items;
+ struct wprobe_filter_counter *counters;
+};
+
+struct wprobe_filter_hdr {
+ __u8 magic[4];
+ __u8 version;
+ __u8 hdrlen;
+ __u16 n_groups;
+} __attribute__((packed));
+
+struct wprobe_filter {
+ spinlock_t lock;
+ struct sk_buff *skb;
+ void *data;
+ int n_groups;
+ int hdrlen;
+ struct wprobe_filter_item **items;
+ struct wprobe_filter_counter *counters;
+ struct wprobe_filter_group groups[];
+};
+
+enum {
+ WPROBE_PKT_RX = 0x00,
+ WPROBE_PKT_TX = 0x10,
+};
+
+struct wprobe_wlan_hdr {
+ u16 len;
+ u8 snr;
+ u8 type;
+} __attribute__((packed));
+
+
/**
* struct wprobe_source - data structure describing a wireless interface
*
@@ -250,8 +312,9 @@ struct wprobe_iface {
struct list_head list;
struct list_head links;
spinlock_t lock;
- void *val;
- void *query_val;
+ struct wprobe_value *val;
+ struct wprobe_value *query_val;
+ struct wprobe_filter *active_filter;
u32 measure_interval;
struct timer_list measure_timer;
@@ -262,6 +325,7 @@ struct wprobe_iface {
u32 scale_d;
};
+
#define WPROBE_FILL_BEGIN(_ptr, _list) do { \
struct wprobe_value *__val = (_ptr); \
const struct wprobe_item *__item = _list; \
@@ -319,6 +383,15 @@ extern void __weak wprobe_remove_link(struct wprobe_iface *dev, struct wprobe_li
*/
extern void __weak wprobe_update_stats(struct wprobe_iface *dev, struct wprobe_link *l);
+/**
+ * wprobe_add_frame: add frame for layer 2 analysis
+ * @dev: wprobe_iface structure describing the interface
+ * @hdr: metadata for the frame
+ * @data: 802.11 header pointer
+ * @len: length of the 802.11 header
+ */
+extern int __weak wprobe_add_frame(struct wprobe_iface *dev, const struct wprobe_wlan_hdr *hdr, void *data, int len);
+
#endif /* __KERNEL__ */
#endif