aboutgitcodebugslistschat
path: root/udp_flow.h
diff options
context:
space:
mode:
Diffstat (limited to 'udp_flow.h')
-rw-r--r--udp_flow.h12
1 files changed, 11 insertions, 1 deletions
diff --git a/udp_flow.h b/udp_flow.h
index 4c528e9..62cc9b3 100644
--- a/udp_flow.h
+++ b/udp_flow.h
@@ -7,6 +7,12 @@
#ifndef UDP_FLOW_H
#define UDP_FLOW_H
+#include <stdbool.h>
+#include <stdint.h>
+#include <netinet/in.h>
+
+#include "flow.h"
+
/**
* struct udp_flow - Descriptor for a flow of UDP packets
* @f: Generic flow information
@@ -16,6 +22,7 @@
* @flush1: @s[1] may have datagrams queued for other flows
* @ts: Activity timestamp
* @s: Socket fd (or -1) for each side of the flow
+ * @activity: Packets seen from each side of the flow, up to UINT8_MAX
*/
struct udp_flow {
/* Must be first element */
@@ -29,13 +36,14 @@ struct udp_flow {
time_t ts;
int s[SIDES];
+ uint8_t activity[SIDES];
};
struct udp_flow *udp_at_sidx(flow_sidx_t sidx);
flow_sidx_t udp_flow_from_sock(const struct ctx *c, uint8_t pif,
const union inany_addr *dst, in_port_t port,
const union sockaddr_inany *s_in,
- const struct timespec *now);
+ int rule_hint, const struct timespec *now);
flow_sidx_t udp_flow_from_tap(const struct ctx *c,
uint8_t pif, sa_family_t af,
const void *saddr, const void *daddr,
@@ -46,5 +54,7 @@ bool udp_flow_defer(const struct ctx *c, struct udp_flow *uflow,
const struct timespec *now);
bool udp_flow_timer(const struct ctx *c, struct udp_flow *uflow,
const struct timespec *now);
+void udp_flow_activity(struct udp_flow *uflow, unsigned int sidei,
+ const struct timespec *now);
#endif /* UDP_FLOW_H */