diff options
Diffstat (limited to 'icmp_flow.h')
| -rw-r--r-- | icmp_flow.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/icmp_flow.h b/icmp_flow.h new file mode 100644 index 0000000..5a2eed9 --- /dev/null +++ b/icmp_flow.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later + * Copyright Red Hat + * Author: David Gibson <david@gibson.dropbear.id.au> + * + * ICMP flow tracking data structures + */ +#ifndef ICMP_FLOW_H +#define ICMP_FLOW_H + +/** + * struct icmp_ping_flow - Descriptor for a flow of ping requests/replies + * @f: Generic flow information + * @seq: Last sequence number sent to tap, host order, -1: not sent yet + * @sock: "ping" socket + * @ts: Last associated activity from tap, seconds + * @id: ICMP id for the flow as seen by the guest + */ +struct icmp_ping_flow { + /* Must be first element */ + struct flow_common f; + + int seq; + int sock; + time_t ts; + uint16_t id; +}; + +bool icmp_ping_timer(const struct ctx *c, union flow *flow, + const struct timespec *now); + +#endif /* ICMP_FLOW_H */ |