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passt/udp_internal.h
David Gibson fd844a90bc udp: Move UDP_MAX_FRAMES to udp.c
Recent changes mean that this define is no longer used anywhere except in
udp.c.  Move it back into udp.c from udp_internal.h.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
2025-04-07 21:43:53 +02:00

32 lines
907 B
C

/* 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 */
/**
* 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);
#endif /* UDP_INTERNAL_H */