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![Eric Dumazet](/assets/img/avatar_default.png)
Adding const qualifiers to pointers can ease code review, and spot some bugs. It might allow compiler to optimize code further. For example, is it legal to temporary write a null cksum into tcphdr in tcp_md5_hash_header() ? I am afraid a sniffer could catch the temporary null value... Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
20 lines
819 B
C
20 lines
819 B
C
#ifndef _NET_SECURE_SEQ
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#define _NET_SECURE_SEQ
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#include <linux/types.h>
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extern __u32 secure_ip_id(__be32 daddr);
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extern __u32 secure_ipv6_id(const __be32 daddr[4]);
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extern u32 secure_ipv4_port_ephemeral(__be32 saddr, __be32 daddr, __be16 dport);
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extern u32 secure_ipv6_port_ephemeral(const __be32 *saddr, const __be32 *daddr,
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__be16 dport);
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extern __u32 secure_tcp_sequence_number(__be32 saddr, __be32 daddr,
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__be16 sport, __be16 dport);
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extern __u32 secure_tcpv6_sequence_number(const __be32 *saddr, const __be32 *daddr,
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__be16 sport, __be16 dport);
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extern u64 secure_dccp_sequence_number(__be32 saddr, __be32 daddr,
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__be16 sport, __be16 dport);
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extern u64 secure_dccpv6_sequence_number(__be32 *saddr, __be32 *daddr,
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__be16 sport, __be16 dport);
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#endif /* _NET_SECURE_SEQ */
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