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| | /* 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 "tap.h" /* needed by udp_meta_t */
#define UDP_MAX_FRAMES 32 /* max # of frames to receive at once */
/**
* 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 udp_payload_t *bp,
const struct flowside *toside, size_t dlen,
bool no_udp_csum);
size_t udp_update_hdr6(struct ipv6hdr *ip6h, struct udp_payload_t *bp,
const struct flowside *toside, size_t dlen,
bool no_udp_csum);
int udp_sock_errs(const struct ctx *c, int s, uint32_t events);
#endif /* UDP_INTERNAL_H */
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