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086c653f58
In order to support fast reuseport lookups in TCP, the hash function defined in struct proto must be capable of returning an error code. This patch changes the function signature of all related hash functions to return an integer and handles or propagates this return value at all call sites. Signed-off-by: Craig Gallek <kraig@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
76 lines
1.8 KiB
C
76 lines
1.8 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 RAW-IP module.
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*
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* Version: @(#)raw.h 1.0.2 05/07/93
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*
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* Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
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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 _RAW_H
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#define _RAW_H
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#include <net/protocol.h>
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#include <linux/icmp.h>
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extern struct proto raw_prot;
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void raw_icmp_error(struct sk_buff *, int, u32);
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int raw_local_deliver(struct sk_buff *, int);
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int raw_rcv(struct sock *, struct sk_buff *);
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#define RAW_HTABLE_SIZE MAX_INET_PROTOS
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struct raw_hashinfo {
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rwlock_t lock;
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struct hlist_head ht[RAW_HTABLE_SIZE];
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};
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#ifdef CONFIG_PROC_FS
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int raw_proc_init(void);
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void raw_proc_exit(void);
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struct raw_iter_state {
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struct seq_net_private p;
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int bucket;
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struct raw_hashinfo *h;
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};
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static inline struct raw_iter_state *raw_seq_private(struct seq_file *seq)
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{
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return seq->private;
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}
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void *raw_seq_start(struct seq_file *seq, loff_t *pos);
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void *raw_seq_next(struct seq_file *seq, void *v, loff_t *pos);
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void raw_seq_stop(struct seq_file *seq, void *v);
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int raw_seq_open(struct inode *ino, struct file *file,
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struct raw_hashinfo *h, const struct seq_operations *ops);
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#endif
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int raw_hash_sk(struct sock *sk);
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void raw_unhash_sk(struct sock *sk);
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struct raw_sock {
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/* inet_sock has to be the first member */
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struct inet_sock inet;
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struct icmp_filter filter;
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u32 ipmr_table;
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};
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static inline struct raw_sock *raw_sk(const struct sock *sk)
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{
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return (struct raw_sock *)sk;
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}
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#endif /* _RAW_H */
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