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Export udp_payload_t, udp_update_hdr4(), udp_update_hdr6() and udp_sock_errs(). Rename udp_listen_sock_handler() to udp_buf_listen_sock_handler() and udp_reply_sock_handler to udp_buf_reply_sock_handler(). Signed-off-by: Laurent Vivier <lvivier@redhat.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
35 lines
1.0 KiB
C
35 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright (c) 2021 Red Hat GmbH
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* Author: Stefano Brivio <sbrivio@redhat.com>
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*/
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#ifndef UDP_INTERNAL_H
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#define UDP_INTERNAL_H
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#include "tap.h" /* needed by udp_meta_t */
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#define UDP_MAX_FRAMES 32 /* max # of frames to receive at once */
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/**
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* struct udp_payload_t - UDP header and data for inbound messages
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* @uh: UDP header
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* @data: UDP data
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*/
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struct udp_payload_t {
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struct udphdr uh;
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char data[USHRT_MAX - sizeof(struct udphdr)];
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#ifdef __AVX2__
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} __attribute__ ((packed, aligned(32)));
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#else
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} __attribute__ ((packed, aligned(__alignof__(unsigned int))));
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#endif
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size_t udp_update_hdr4(struct iphdr *ip4h, struct udp_payload_t *bp,
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const struct flowside *toside, size_t dlen,
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bool no_udp_csum);
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size_t udp_update_hdr6(struct ipv6hdr *ip6h, struct udp_payload_t *bp,
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const struct flowside *toside, size_t dlen,
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bool no_udp_csum);
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int udp_sock_errs(const struct ctx *c, int s, uint32_t events);
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#endif /* UDP_INTERNAL_H */
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