1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright (c) 2021 Red Hat GmbH
* Author: Stefano Brivio <sbrivio@redhat.com>
*/
#ifndef UDP_INTERNAL_H
#define UDP_INTERNAL_H
#include <netinet/in.h>
#include <netinet/udp.h>
#include "tap.h" /* needed by udp_meta_t */
/**
* struct udp_payload_t - UDP header and data for inbound messages
* @uh: UDP header
* @data: UDP data
*/
struct udp_payload_t {
struct udphdr uh;
char data[USHRT_MAX - sizeof(struct udphdr)];
#ifdef __AVX2__
} __attribute__ ((packed, aligned(32)));
#else
} __attribute__ ((packed, aligned(__alignof__(unsigned int))));
#endif
size_t udp_update_hdr4(struct iphdr *ip4h, struct udphdr *uh,
struct iov_tail *payload,
const struct flowside *toside, size_t dlen,
bool no_udp_csum);
size_t udp_update_hdr6(struct ipv6hdr *ip6h, struct udphdr *uh,
struct iov_tail *payload,
const struct flowside *toside, size_t dlen,
bool no_udp_csum);
void udp_sock_fwd(const struct ctx *c, int s, int rule_hint,
uint8_t frompif, in_port_t port, const struct timespec *now);
#endif /* UDP_INTERNAL_H */
|
