-/* SCTP kernel reference Implementation
+/* SCTP kernel implementation
* (C) Copyright IBM Corp. 2001, 2004
* Copyright (c) 1999-2000 Cisco, Inc.
* Copyright (c) 1999-2001 Motorola, Inc.
* Copyright (c) 2001-2003 Intel Corp.
*
- * This file is part of the SCTP kernel reference Implementation
+ * This file is part of the SCTP kernel implementation
*
* The base lksctp header.
*
- * The SCTP reference implementation is free software;
+ * This SCTP implementation is free software;
* you can redistribute it and/or modify it under the terms of
* the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
- * The SCTP reference implementation is distributed in the hope that it
+ * This SCTP implementation is distributed in the hope that it
* will be useful, but WITHOUT ANY WARRANTY; without even the implied
* ************************
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* and will continue to evolve.
*/
-
-
-#ifdef TEST_FRAME
-#undef CONFIG_PROC_FS
-#undef CONFIG_SCTP_DBG_OBJCNT
-#undef CONFIG_SYSCTL
-#endif /* TEST_FRAME */
-
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/in.h>
int sctp_backlog_rcv(struct sock *sk, struct sk_buff *skb);
int sctp_inet_listen(struct socket *sock, int backlog);
void sctp_write_space(struct sock *sk);
+void sctp_data_ready(struct sock *sk, int len);
unsigned int sctp_poll(struct file *file, struct socket *sock,
poll_table *wait);
void sctp_sock_rfree(struct sk_buff *skb);
+void sctp_copy_sock(struct sock *newsk, struct sock *sk,
+ struct sctp_association *asoc);
+extern struct percpu_counter sctp_sockets_allocated;
/*
* sctp/primitive.c
int sctp_primitive_ASCONF(struct sctp_association *, void *arg);
/*
- * sctp/crc32c.c
- */
-__u32 sctp_start_cksum(__u8 *ptr, __u16 count);
-__u32 sctp_update_cksum(__u8 *ptr, __u16 count, __u32 cksum);
-__u32 sctp_end_cksum(__u32 cksum);
-__u32 sctp_update_copy_cksum(__u8 *, __u8 *, __u16 count, __u32 cksum);
-
-/*
* sctp/input.c
*/
int sctp_rcv(struct sk_buff *skb);
void sctp_eps_proc_exit(void);
int sctp_assocs_proc_init(void);
void sctp_assocs_proc_exit(void);
+int sctp_remaddr_proc_init(void);
+void sctp_remaddr_proc_exit(void);
/*
#define sctp_release_sock(sk) release_sock(sk)
#define sctp_bh_lock_sock(sk) bh_lock_sock(sk)
#define sctp_bh_unlock_sock(sk) bh_unlock_sock(sk)
-#define SCTP_SOCK_SLEEP_PRE(sk) SOCK_SLEEP_PRE(sk)
-#define SCTP_SOCK_SLEEP_POST(sk) SOCK_SLEEP_POST(sk)
/* SCTP SNMP MIB stats handlers */
DECLARE_SNMP_STAT(struct sctp_mib, sctp_statistics);
#endif /* !TEST_FRAME */
/* sctp mib definitions */
-enum
-{
+enum {
SCTP_MIB_NUM = 0,
SCTP_MIB_CURRESTAB, /* CurrEstab */
SCTP_MIB_ACTIVEESTABS, /* ActiveEstabs */
SCTP_MIB_T5_SHUTDOWN_GUARD_EXPIREDS,
SCTP_MIB_DELAY_SACK_EXPIREDS,
SCTP_MIB_AUTOCLOSE_EXPIREDS,
+ SCTP_MIB_T1_RETRANSMITS,
SCTP_MIB_T3_RETRANSMITS,
SCTP_MIB_PMTUD_RETRANSMITS,
SCTP_MIB_FAST_RETRANSMITS,
if (sctp_debug_flag) { \
if (saddr->sa.sa_family == AF_INET6) { \
printk(KERN_DEBUG \
- lead NIP6_FMT trail, \
+ lead "%pI6" trail, \
leadparm, \
- NIP6(saddr->v6.sin6_addr), \
+ &saddr->v6.sin6_addr, \
otherparms); \
} else { \
printk(KERN_DEBUG \
- lead NIPQUAD_FMT trail, \
+ lead "%pI4" trail, \
leadparm, \
- NIPQUAD(saddr->v4.sin_addr.s_addr), \
+ &saddr->v4.sin_addr.s_addr, \
otherparms); \
} \
}
#define SCTP_ASSERT(expr, str, func) \
if (!(expr)) { \
SCTP_DEBUG_PRINTK("Assertion Failed: %s(%s) at %s:%s:%d\n", \
- str, (#expr), __FILE__, __FUNCTION__, __LINE__); \
+ str, (#expr), __FILE__, __func__, __LINE__); \
func; \
}
extern atomic_t sctp_dbg_objcnt_addr;
extern atomic_t sctp_dbg_objcnt_ssnmap;
extern atomic_t sctp_dbg_objcnt_datamsg;
+extern atomic_t sctp_dbg_objcnt_keys;
/* Macros to atomically increment/decrement objcnt counters. */
#define SCTP_DBG_OBJCNT_INC(name) \
#else
static inline void sctp_sysctl_register(void) { return; }
static inline void sctp_sysctl_unregister(void) { return; }
-static inline int sctp_sysctl_jiffies_ms(ctl_table *table, int __user *name, int nlen,
- void __user *oldval, size_t __user *oldlenp,
- void __user *newval, size_t newlen) {
- return -ENOSYS;
-}
#endif
/* Size of Supported Address Parameter for 'x' address types. */
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
-int sctp_v6_init(void);
-void sctp_v6_exit(void);
+void sctp_v6_pf_init(void);
+void sctp_v6_pf_exit(void);
+int sctp_v6_protosw_init(void);
+void sctp_v6_protosw_exit(void);
int sctp_v6_add_protocol(void);
void sctp_v6_del_protocol(void);
#else /* #ifdef defined(CONFIG_IPV6) */
-static inline int sctp_v6_init(void) { return 0; }
-static inline void sctp_v6_exit(void) { return; }
+static inline void sctp_v6_pf_init(void) { return; }
+static inline void sctp_v6_pf_exit(void) { return; }
+static inline int sctp_v6_protosw_init(void) { return 0; }
+static inline void sctp_v6_protosw_exit(void) { return; }
static inline int sctp_v6_add_protocol(void) { return 0; }
static inline void sctp_v6_del_protocol(void) { return; }
/* A macro to walk a list of skbs. */
#define sctp_skb_for_each(pos, head, tmp) \
-for (pos = (head)->next;\
- tmp = (pos)->next, pos != ((struct sk_buff *)(head));\
- pos = tmp)
-
+ skb_queue_walk_safe(head, pos, tmp)
/* A helper to append an entire skb list (list) to another (head). */
static inline void sctp_skb_list_tail(struct sk_buff_head *list,
sctp_spin_lock_irqsave(&head->lock, flags);
sctp_spin_lock(&list->lock);
- list_splice((struct list_head *)list, (struct list_head *)head->prev);
-
- head->qlen += list->qlen;
- list->qlen = 0;
+ skb_queue_splice_tail_init(list, head);
sctp_spin_unlock(&list->lock);
sctp_spin_unlock_irqrestore(&head->lock, flags);
{
struct sctp_ulpevent *event = sctp_skb2event(skb);
+ skb_orphan(skb);
skb->sk = sk;
skb->destructor = sctp_sock_rfree;
atomic_add(event->rmem_len, &sk->sk_rmem_alloc);
+ /*
+ * This mimics the behavior of skb_set_owner_r
+ */
+ sk->sk_forward_alloc -= event->rmem_len;
}
/* Tests if the list has one and only one entry. */
}
/* Break down data chunks at this point. */
-static inline int sctp_frag_point(const struct sctp_sock *sp, int pmtu)
+static inline int sctp_frag_point(const struct sctp_association *asoc, int pmtu)
{
+ struct sctp_sock *sp = sctp_sk(asoc->base.sk);
int frag = pmtu;
frag -= sp->pf->af->net_header_len;
frag -= sizeof(struct sctphdr) + sizeof(struct sctp_data_chunk);
- if (sp->user_frag)
- frag = min_t(int, frag, sp->user_frag);
+ if (asoc->user_frag)
+ frag = min_t(int, frag, asoc->user_frag);
frag = min_t(int, frag, SCTP_MAX_CHUNK_LEN);
return (h & (sctp_assoc_hashsize-1));
}
+#define sctp_for_each_hentry(epb, node, head) \
+ hlist_for_each_entry(epb, node, head, node)
+
/* Is a socket of this style? */
#define sctp_style(sk, style) __sctp_style((sk), (SCTP_SOCKET_##style))
static inline int __sctp_style(const struct sock *sk, sctp_socket_type_t style)
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff