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f72b63e92f
tap_ip_send() is never used for TCP packets, we're unlikely to use it for that in future, and the handling of TCP packets makes other cleanups unnecessarily awkward. Remove it. This is the only user of csum_tcp4(), so we can remove that as well. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
29 lines
969 B
C
29 lines
969 B
C
/* SPDX-License-Identifier: AGPL-3.0-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 CHECKSUM_H
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#define CHECKSUM_H
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struct udphdr;
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struct icmphdr;
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struct icmp6hdr;
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uint32_t sum_16b(const void *buf, size_t len);
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uint16_t csum_fold(uint32_t sum);
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uint16_t csum_unaligned(const void *buf, size_t len, uint32_t init);
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void csum_ip4_header(struct iphdr *ip4h);
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void csum_udp4(struct udphdr *udp4hr, in_addr_t saddr, in_addr_t daddr,
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const void *payload, size_t len);
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void csum_icmp4(struct icmphdr *ih, const void *payload, size_t len);
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void csum_udp6(struct udphdr *udp6hr,
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const struct in6_addr *saddr, const struct in6_addr *daddr,
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const void *payload, size_t len);
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void csum_icmp6(struct icmp6hdr *icmp6hr,
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const struct in6_addr *saddr, const struct in6_addr *daddr,
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const void *payload, size_t len);
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uint16_t csum(const void *buf, size_t len, uint32_t init);
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#endif /* CHECKSUM_H */
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