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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef XDP_TRAFFICGEN_H
#define XDP_TRAFFICGEN_H
#include <linux/bpf.h>
#include <linux/if_ether.h>
#include <linux/ipv6.h>
struct tcp_flowkey {
struct in6_addr src_ip;
struct in6_addr dst_ip;
__u16 dst_port;
__u16 src_port;
};
#define FLOW_STATE_NEW 1
#define FLOW_STATE_RUNNING 2
#define FLOW_STATE_DONE 3
struct tcp_flowstate {
struct bpf_spin_lock lock;
__u8 dst_mac[ETH_ALEN];
__u8 src_mac[ETH_ALEN];
__u64 last_progress;
__u64 retransmits;
__u32 flow_state;
__u32 seq; /* our last sent seqno */
__u32 ack_seq; /* last seqno that got acked */
__u32 rcv_seq; /* receiver's seqno (our ACK seq) */
__u32 dupack;
__u32 last_print;
__u32 highest_seq;
__u16 window;
__u8 wscale;
};
struct trafficgen_config {
int ifindex_out;
__u16 port_start;
__u16 port_range;
};
struct trafficgen_state {
struct tcp_flowkey flow_key;
__u16 next_port;
};
#endif
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