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ba4e58eca8
This is a revision of the previously submitted patch, which alters
the way files are organized and compiled in the following manner:
* UDP and UDP-Lite now use separate object files
* source file dependencies resolved via header files
net/ipv{4,6}/udp_impl.h
* order of inclusion files in udp.c/udplite.c adapted
accordingly
[NET/IPv4]: Support for the UDP-Lite protocol (RFC 3828)
This patch adds support for UDP-Lite to the IPv4 stack, provided as an
extension to the existing UDPv4 code:
* generic routines are all located in net/ipv4/udp.c
* UDP-Lite specific routines are in net/ipv4/udplite.c
* MIB/statistics support in /proc/net/snmp and /proc/net/udplite
* shared API with extensions for partial checksum coverage
[NET/IPv6]: Extension for UDP-Lite over IPv6
It extends the existing UDPv6 code base with support for UDP-Lite
in the same manner as per UDPv4. In particular,
* UDPv6 generic and shared code is in net/ipv6/udp.c
* UDP-Litev6 specific extensions are in net/ipv6/udplite.c
* MIB/statistics support in /proc/net/snmp6 and /proc/net/udplite6
* support for IPV6_ADDRFORM
* aligned the coding style of protocol initialisation with af_inet6.c
* made the error handling in udpv6_queue_rcv_skb consistent;
to return `-1' on error on all error cases
* consolidation of shared code
[NET]: UDP-Lite Documentation and basic XFRM/Netfilter support
The UDP-Lite patch further provides
* API documentation for UDP-Lite
* basic xfrm support
* basic netfilter support for IPv4 and IPv6 (LOG target)
Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
39 lines
1.5 KiB
C
39 lines
1.5 KiB
C
#ifndef _UDP4_IMPL_H
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#define _UDP4_IMPL_H
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#include <net/udp.h>
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#include <net/udplite.h>
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#include <net/protocol.h>
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#include <net/inet_common.h>
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extern int __udp4_lib_rcv(struct sk_buff *, struct hlist_head [], int );
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extern void __udp4_lib_err(struct sk_buff *, u32, struct hlist_head []);
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extern int __udp_lib_get_port(struct sock *sk, unsigned short snum,
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struct hlist_head udptable[], int *port_rover,
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int (*)(const struct sock*,const struct sock*));
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extern int ipv4_rcv_saddr_equal(const struct sock *, const struct sock *);
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extern int udp_setsockopt(struct sock *sk, int level, int optname,
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char __user *optval, int optlen);
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extern int udp_getsockopt(struct sock *sk, int level, int optname,
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char __user *optval, int __user *optlen);
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#ifdef CONFIG_COMPAT
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extern int compat_udp_setsockopt(struct sock *sk, int level, int optname,
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char __user *optval, int optlen);
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extern int compat_udp_getsockopt(struct sock *sk, int level, int optname,
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char __user *optval, int __user *optlen);
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#endif
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extern int udp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
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size_t len, int noblock, int flags, int *addr_len);
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extern int udp_sendpage(struct sock *sk, struct page *page, int offset,
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size_t size, int flags);
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extern int udp_queue_rcv_skb(struct sock * sk, struct sk_buff *skb);
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extern int udp_destroy_sock(struct sock *sk);
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#ifdef CONFIG_PROC_FS
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extern int udp4_seq_show(struct seq_file *seq, void *v);
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#endif
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#endif /* _UDP4_IMPL_H */
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