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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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f455022166
Remove the pointless ping_seq_afinfo indirection and make the code look like most other protocols. Signed-off-by: Christoph Hellwig <hch@lst.de>
99 lines
3.1 KiB
C
99 lines
3.1 KiB
C
/*
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* INET An implementation of the TCP/IP protocol suite for the LINUX
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* operating system. INET is implemented using the BSD Socket
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* interface as the means of communication with the user level.
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*
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* Definitions for the "ping" module.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef _PING_H
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#define _PING_H
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#include <net/icmp.h>
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#include <net/netns/hash.h>
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/* PING_HTABLE_SIZE must be power of 2 */
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#define PING_HTABLE_SIZE 64
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#define PING_HTABLE_MASK (PING_HTABLE_SIZE-1)
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#define ping_portaddr_for_each_entry(__sk, node, list) \
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hlist_nulls_for_each_entry(__sk, node, list, sk_nulls_node)
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/*
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* gid_t is either uint or ushort. We want to pass it to
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* proc_dointvec_minmax(), so it must not be larger than MAX_INT
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*/
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#define GID_T_MAX (((gid_t)~0U) >> 1)
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/* Compatibility glue so we can support IPv6 when it's compiled as a module */
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struct pingv6_ops {
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int (*ipv6_recv_error)(struct sock *sk, struct msghdr *msg, int len,
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int *addr_len);
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void (*ip6_datagram_recv_common_ctl)(struct sock *sk,
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struct msghdr *msg,
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struct sk_buff *skb);
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void (*ip6_datagram_recv_specific_ctl)(struct sock *sk,
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struct msghdr *msg,
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struct sk_buff *skb);
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int (*icmpv6_err_convert)(u8 type, u8 code, int *err);
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void (*ipv6_icmp_error)(struct sock *sk, struct sk_buff *skb, int err,
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__be16 port, u32 info, u8 *payload);
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int (*ipv6_chk_addr)(struct net *net, const struct in6_addr *addr,
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const struct net_device *dev, int strict);
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};
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struct ping_iter_state {
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struct seq_net_private p;
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int bucket;
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sa_family_t family;
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};
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extern struct proto ping_prot;
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#if IS_ENABLED(CONFIG_IPV6)
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extern struct pingv6_ops pingv6_ops;
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#endif
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struct pingfakehdr {
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struct icmphdr icmph;
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struct msghdr *msg;
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sa_family_t family;
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__wsum wcheck;
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};
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int ping_get_port(struct sock *sk, unsigned short ident);
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int ping_hash(struct sock *sk);
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void ping_unhash(struct sock *sk);
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int ping_init_sock(struct sock *sk);
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void ping_close(struct sock *sk, long timeout);
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int ping_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len);
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void ping_err(struct sk_buff *skb, int offset, u32 info);
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int ping_getfrag(void *from, char *to, int offset, int fraglen, int odd,
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struct sk_buff *);
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int ping_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int noblock,
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int flags, int *addr_len);
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int ping_common_sendmsg(int family, struct msghdr *msg, size_t len,
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void *user_icmph, size_t icmph_len);
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int ping_queue_rcv_skb(struct sock *sk, struct sk_buff *skb);
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bool ping_rcv(struct sk_buff *skb);
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#ifdef CONFIG_PROC_FS
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void *ping_seq_start(struct seq_file *seq, loff_t *pos, sa_family_t family);
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void *ping_seq_next(struct seq_file *seq, void *v, loff_t *pos);
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void ping_seq_stop(struct seq_file *seq, void *v);
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int __init ping_proc_init(void);
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void ping_proc_exit(void);
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#endif
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void __init ping_init(void);
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int __init pingv6_init(void);
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void pingv6_exit(void);
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#endif /* _PING_H */
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