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Commit 6a074a55 authored by Sridhar Samudrala's avatar Sridhar Samudrala
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Merge us.ibm.com:/home/sridhar/BK/linux-2.5.68 

into us.ibm.com:/home/sridhar/BK/lksctp-2.5.68
parents b2520649 e21eb45a
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Showing with 1379 additions and 1056 deletions
include/net/sctp/command.h
View file @ 6a074a55
......@@ -182,7 +182,7 @@ typedef struct {
/* Create a new sctp_command_sequence.
* Return NULL if creating a new sequence fails.
*/
sctp_cmd_seq_t *sctp_new_cmd_seq(int priority);
sctp_cmd_seq_t *sctp_new_cmd_seq(int gfp);
/* Initialize a block of memory as a command sequence.
* Return 0 if the initialization fails.
......
include/net/sctp/constants.h
View file @ 6a074a55
......@@ -6,46 +6,42 @@
*
* This file is part of the SCTP kernel reference Implementation
*
* This file is part of the implementation of the add-IP extension,
* based on <draft-ietf-tsvwg-addip-sctp-02.txt> June 29, 2001,
* for the SCTP kernel reference Implementation.
*
* The SCTP reference implementation is free software;
* The SCTP reference 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
* will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* The SCTP reference implementation is distributed in the hope that it
* will be useful, but WITHOUT ANY WARRANTY; without even the implied
* ************************
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU CC; see the file COPYING. If not, write to
* the Free Software Foundation, 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Please send any bug reports or fixes you make to one of the following email
* addresses:
* Please send any bug reports or fixes you make to the
* email address(es):
* lksctp developers <lksctp-developers@lists.sourceforge.net>
*
* Or submit a bug report through the following website:
* http://www.sf.net/projects/lksctp
*
* La Monte H.P. Yarroll <piggy@acm.org>
* Karl Knutson <karl@athena.chicago.il.us>
* Randall Stewart <randall@stewart.chicago.il.us>
* Ken Morneau <kmorneau@cisco.com>
* Qiaobing Xie <qxie1@motorola.com>
* Xingang Guo <xingang.guo@intel.com>
* Sridhar Samudrala <samudrala@us.ibm.com>
* Daisy Chang <daisyc@us.ibm.com>
* Written or modified by:
* La Monte H.P. Yarroll <piggy@acm.org>
* Karl Knutson <karl@athena.chicago.il.us>
* Randall Stewart <randall@stewart.chicago.il.us>
* Ken Morneau <kmorneau@cisco.com>
* Qiaobing Xie <qxie1@motorola.com>
* Xingang Guo <xingang.guo@intel.com>
* Sridhar Samudrala <samudrala@us.ibm.com>
* Daisy Chang <daisyc@us.ibm.com>
*
* Any bugs reported given to us we will try to fix... any fixes shared will
* be incorporated into the next SCTP release.
*
* There are still LOTS of bugs in this code... I always run on the motto
* "it is a wonder any code ever works :)"
*
*
*/
#ifndef __sctp_constants_h__
......@@ -220,7 +216,7 @@ typedef enum {
* - A socket in SCTP_SS_LISTENING state indicates that it is willing to
* accept new associations, but cannot initiate the creation of new ones.
* - A socket in SCTP_SS_ESTABLISHED state indicates that it has a single
* association in ESTABLISHED state.
* association.
*/
typedef enum {
SCTP_SS_CLOSED = TCP_CLOSE,
......@@ -336,10 +332,18 @@ typedef enum {
#define SCTP_SIGNATURE_SIZE 20 /* size of a SLA-1 signature */
#define SCTP_COOKIE_MULTIPLE 64 /* Pad out our cookie to make our hash
#define SCTP_COOKIE_MULTIPLE 32 /* Pad out our cookie to make our hash
* functions simpler to write.
*/
#if defined (CONFIG_SCTP_HMAC_MD5)
#define SCTP_COOKIE_HMAC_ALG "md5"
#elif defined (CONFIG_SCTP_HMAC_SHA1)
#define SCTP_COOKIE_HMAC_ALG "sha1"
#else
#define SCTP_COOKIE_HMAC_ALG NULL
#endif
/* These return values describe the success or failure of a number of
* routines which form the lower interface to SCTP_outqueue.
*/
......
include/net/sctp/sctp.h
View file @ 6a074a55
......@@ -125,7 +125,7 @@ extern struct sctp_protocol sctp_proto;
extern struct sock *sctp_get_ctl_sock(void);
extern int sctp_copy_local_addr_list(struct sctp_protocol *,
struct sctp_bind_addr *,
sctp_scope_t, int priority, int flags);
sctp_scope_t, int gfp, int flags);
extern struct sctp_pf *sctp_get_pf_specific(sa_family_t family);
extern int sctp_register_pf(struct sctp_pf *, sa_family_t);
......@@ -141,11 +141,11 @@ extern unsigned int sctp_poll(struct file *file, struct socket *sock,
/*
* sctp/primitive.c
*/
extern int sctp_primitive_ASSOCIATE(sctp_association_t *, void *arg);
extern int sctp_primitive_SHUTDOWN(sctp_association_t *, void *arg);
extern int sctp_primitive_ABORT(sctp_association_t *, void *arg);
extern int sctp_primitive_SEND(sctp_association_t *, void *arg);
extern int sctp_primitive_REQUESTHEARTBEAT(sctp_association_t *, void *arg);
extern int sctp_primitive_ASSOCIATE(struct sctp_association *, void *arg);
extern int sctp_primitive_SHUTDOWN(struct sctp_association *, void *arg);
extern int sctp_primitive_ABORT(struct sctp_association *, void *arg);
extern int sctp_primitive_SEND(struct sctp_association *, void *arg);
extern int sctp_primitive_REQUESTHEARTBEAT(struct sctp_association *, void *arg);
/*
* sctp/crc32c.c
......@@ -153,37 +153,33 @@ extern int sctp_primitive_REQUESTHEARTBEAT(sctp_association_t *, void *arg);
extern __u32 sctp_start_cksum(__u8 *ptr, __u16 count);
extern __u32 sctp_update_cksum(__u8 *ptr, __u16 count, __u32 cksum);
extern __u32 sctp_end_cksum(__u32 cksum);
extern __u32 sctp_update_copy_cksum(__u8 *, __u8 *, __u16 count, __u32 cksum);
/*
* sctp/input.c
*/
extern int sctp_rcv(struct sk_buff *skb);
extern void sctp_v4_err(struct sk_buff *skb, u32 info);
extern void sctp_hash_established(sctp_association_t *);
extern void __sctp_hash_established(sctp_association_t *);
extern void sctp_unhash_established(sctp_association_t *);
extern void __sctp_unhash_established(sctp_association_t *);
extern void sctp_hash_endpoint(sctp_endpoint_t *);
extern void __sctp_hash_endpoint(sctp_endpoint_t *);
extern void sctp_unhash_endpoint(sctp_endpoint_t *);
extern void __sctp_unhash_endpoint(sctp_endpoint_t *);
extern sctp_association_t *__sctp_lookup_association(const union sctp_addr *,
const union sctp_addr *,
struct sctp_transport **);
extern void sctp_hash_established(struct sctp_association *);
extern void __sctp_hash_established(struct sctp_association *);
extern void sctp_unhash_established(struct sctp_association *);
extern void __sctp_unhash_established(struct sctp_association *);
extern void sctp_hash_endpoint(struct sctp_endpoint *);
extern void __sctp_hash_endpoint(struct sctp_endpoint *);
extern void sctp_unhash_endpoint(struct sctp_endpoint *);
extern void __sctp_unhash_endpoint(struct sctp_endpoint *);
extern struct sctp_association *__sctp_lookup_association(
const union sctp_addr *,
const union sctp_addr *,
struct sctp_transport **);
extern struct sock *sctp_err_lookup(int family, struct sk_buff *,
struct sctphdr *, struct sctp_endpoint **,
struct sctp_association **,
struct sctphdr *, struct sctp_endpoint **,
struct sctp_association **,
struct sctp_transport **);
extern void sctp_err_finish(struct sock *, struct sctp_endpoint *,
extern void sctp_err_finish(struct sock *, struct sctp_endpoint *,
struct sctp_association *);
extern void sctp_icmp_frag_needed(struct sock *, struct sctp_association *,
struct sctp_transport *t, __u32 pmtu);
/*
* sctp/hashdriver.c
*/
extern void sctp_hash_digest(const char *secret, const int secret_len,
const char *text, const int text_len,
__u8 *digest);
/*
* Section: Macros, externs, and inlines
......@@ -334,15 +330,27 @@ static inline void sctp_v6_exit(void) { return; }
#endif /* #if defined(CONFIG_IPV6) */
/* Some wrappers, in case crypto not available. */
#if defined (CONFIG_CRYPTO_HMAC)
#define sctp_crypto_alloc_tfm crypto_alloc_tfm
#define sctp_crypto_free_tfm crypto_free_tfm
#define sctp_crypto_hmac crypto_hmac
#else
#define sctp_crypto_alloc_tfm(x...) NULL
#define sctp_crypto_free_tfm(x...)
#define sctp_crypto_hmac(x...)
#endif
/* Map an association to an assoc_id. */
static inline sctp_assoc_t sctp_assoc2id(const sctp_association_t *asoc)
static inline sctp_assoc_t sctp_assoc2id(const struct sctp_association *asoc)
{
return (sctp_assoc_t) asoc;
}
/* Look up the association by its id. */
sctp_association_t *sctp_id2assoc(struct sock *sk, sctp_assoc_t id);
struct sctp_association *sctp_id2assoc(struct sock *sk, sctp_assoc_t id);
/* A macro to walk a list of skbs. */
......@@ -501,10 +509,10 @@ static inline int ipver2af(__u8 ipver)
/* Perform some sanity checks. */
static inline int sctp_sanity_check(void)
{
SCTP_ASSERT(sizeof(struct sctp_ulpevent) <=
SCTP_ASSERT(sizeof(struct sctp_ulpevent) <=
sizeof(((struct sk_buff *)0)->cb),
"SCTP: ulpevent does not fit in skb!\n", return 0);
return 1;
}
......
include/net/sctp/sm.h
View file @ 6a074a55
......@@ -81,8 +81,8 @@ typedef struct {
int action;
} sctp_sm_command_t;
typedef sctp_disposition_t (sctp_state_fn_t) (const sctp_endpoint_t *,
const sctp_association_t *,
typedef sctp_disposition_t (sctp_state_fn_t) (const struct sctp_endpoint *,
const struct sctp_association *,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *);
......@@ -209,67 +209,67 @@ __u32 sctp_generate_verification_tag(void);
void sctp_populate_tie_tags(__u8 *cookie, __u32 curTag, __u32 hisTag);
/* Prototypes for chunk-building functions. */
sctp_chunk_t *sctp_make_init(const sctp_association_t *,
sctp_chunk_t *sctp_make_init(const struct sctp_association *,
const sctp_bind_addr_t *,
int priority, int vparam_len);
sctp_chunk_t *sctp_make_init_ack(const sctp_association_t *,
int gfp, int vparam_len);
sctp_chunk_t *sctp_make_init_ack(const struct sctp_association *,
const sctp_chunk_t *,
const int priority,
const int gfp,
const int unkparam_len);
sctp_chunk_t *sctp_make_cookie_echo(const sctp_association_t *,
sctp_chunk_t *sctp_make_cookie_echo(const struct sctp_association *,
const sctp_chunk_t *);
sctp_chunk_t *sctp_make_cookie_ack(const sctp_association_t *,
sctp_chunk_t *sctp_make_cookie_ack(const struct sctp_association *,
const sctp_chunk_t *);
sctp_chunk_t *sctp_make_cwr(const sctp_association_t *,
sctp_chunk_t *sctp_make_cwr(const struct sctp_association *,
const __u32 lowest_tsn,
const sctp_chunk_t *);
sctp_chunk_t *sctp_make_datafrag(sctp_association_t *,
sctp_chunk_t *sctp_make_datafrag(struct sctp_association *,
const struct sctp_sndrcvinfo *sinfo,
int len, const __u8 *data,
__u8 flags, __u16 ssn);
sctp_chunk_t * sctp_make_datafrag_empty(sctp_association_t *,
sctp_chunk_t * sctp_make_datafrag_empty(struct sctp_association *,
const struct sctp_sndrcvinfo *sinfo,
int len, const __u8 flags,
__u16 ssn);
sctp_chunk_t *sctp_make_data(sctp_association_t *,
sctp_chunk_t *sctp_make_data(struct sctp_association *,
const struct sctp_sndrcvinfo *sinfo,
int len, const __u8 *data);
sctp_chunk_t *sctp_make_data_empty(sctp_association_t *,
sctp_chunk_t *sctp_make_data_empty(struct sctp_association *,
const struct sctp_sndrcvinfo *, int len);
sctp_chunk_t *sctp_make_ecne(const sctp_association_t *,
sctp_chunk_t *sctp_make_ecne(const struct sctp_association *,
const __u32);
sctp_chunk_t *sctp_make_sack(const sctp_association_t *);
sctp_chunk_t *sctp_make_shutdown(const sctp_association_t *asoc);
sctp_chunk_t *sctp_make_shutdown_ack(const sctp_association_t *asoc,
sctp_chunk_t *sctp_make_sack(const struct sctp_association *);
sctp_chunk_t *sctp_make_shutdown(const struct sctp_association *asoc);
sctp_chunk_t *sctp_make_shutdown_ack(const struct sctp_association *asoc,
const sctp_chunk_t *);
sctp_chunk_t *sctp_make_shutdown_complete(const sctp_association_t *,
sctp_chunk_t *sctp_make_shutdown_complete(const struct sctp_association *,
const sctp_chunk_t *);
void sctp_init_cause(sctp_chunk_t *, __u16 cause, const void *, size_t);
sctp_chunk_t *sctp_make_abort(const sctp_association_t *,
sctp_chunk_t *sctp_make_abort(const struct sctp_association *,
const sctp_chunk_t *,
const size_t hint);
sctp_chunk_t *sctp_make_abort_no_data(const sctp_association_t *,
sctp_chunk_t *sctp_make_abort_no_data(const struct sctp_association *,
const sctp_chunk_t *,
__u32 tsn);
sctp_chunk_t *sctp_make_abort_user(const sctp_association_t *,
sctp_chunk_t *sctp_make_abort_user(const struct sctp_association *,
const sctp_chunk_t *,
const struct msghdr *);
sctp_chunk_t *sctp_make_heartbeat(const sctp_association_t *,
sctp_chunk_t *sctp_make_heartbeat(const struct sctp_association *,
const struct sctp_transport *,
const void *payload,
const size_t paylen);
sctp_chunk_t *sctp_make_heartbeat_ack(const sctp_association_t *,
sctp_chunk_t *sctp_make_heartbeat_ack(const struct sctp_association *,
const sctp_chunk_t *,
const void *payload,
const size_t paylen);
sctp_chunk_t *sctp_make_op_error(const sctp_association_t *,
sctp_chunk_t *sctp_make_op_error(const struct sctp_association *,
const sctp_chunk_t *chunk,
__u16 cause_code,
const void *payload,
size_t paylen);
void sctp_chunk_assign_tsn(sctp_chunk_t *);
void sctp_chunk_assign_ssn(sctp_chunk_t *);
int sctp_datachunks_from_user(sctp_association_t *,
int sctp_datachunks_from_user(struct sctp_association *,
const struct sctp_sndrcvinfo *,
struct msghdr *, int len,
struct sk_buff_head *);
......@@ -279,34 +279,34 @@ int sctp_datachunks_from_user(sctp_association_t *,
int sctp_do_sm(sctp_event_t event_type, sctp_subtype_t subtype,
sctp_state_t state,
sctp_endpoint_t *,
sctp_association_t *asoc,
struct sctp_endpoint *,
struct sctp_association *asoc,
void *event_arg,
int priority);
int gfp);
int sctp_side_effects(sctp_event_t event_type, sctp_subtype_t subtype,
sctp_state_t state,
sctp_endpoint_t *,
sctp_association_t *asoc,
struct sctp_endpoint *,
struct sctp_association *asoc,
void *event_arg,
sctp_disposition_t status,
sctp_cmd_seq_t *commands,
int priority);
int gfp);
/* 2nd level prototypes */
int
sctp_cmd_interpreter(sctp_event_t event_type, sctp_subtype_t subtype,
sctp_state_t state,
sctp_endpoint_t *ep,
sctp_association_t *asoc,
struct sctp_endpoint *ep,
struct sctp_association *asoc,
void *event_arg,
sctp_disposition_t status,
sctp_cmd_seq_t *retval,
int priority);
int gfp);
int sctp_gen_sack(sctp_association_t *, int force, sctp_cmd_seq_t *);
void sctp_do_TSNdup(sctp_association_t *, sctp_chunk_t *, long gap);
int sctp_gen_sack(struct sctp_association *, int force, sctp_cmd_seq_t *);
void sctp_do_TSNdup(struct sctp_association *, sctp_chunk_t *, long gap);
void sctp_generate_t3_rtx_event(unsigned long peer);
void sctp_generate_heartbeat_event(unsigned long peer);
......@@ -325,21 +325,21 @@ sctp_cookie_param_t *
sctp_pack_cookie(const struct sctp_endpoint *, const struct sctp_association *,
const struct sctp_chunk *, int *cookie_len,
const __u8 *, int addrs_len);
sctp_association_t *sctp_unpack_cookie(const sctp_endpoint_t *,
const sctp_association_t *,
sctp_chunk_t *, int priority, int *err,
struct sctp_association *sctp_unpack_cookie(const struct sctp_endpoint *,
const struct sctp_association *,
sctp_chunk_t *, int gfp, int *err,
sctp_chunk_t **err_chk_p);
int sctp_addip_addr_config(sctp_association_t *, sctp_param_t,
int sctp_addip_addr_config(struct sctp_association *, sctp_param_t,
struct sockaddr_storage*, int);
void sctp_send_stale_cookie_err(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
void sctp_send_stale_cookie_err(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_chunk_t *chunk,
sctp_cmd_seq_t *commands,
sctp_chunk_t *err_chunk);
/* 3rd level prototypes */
__u32 sctp_generate_tag(const sctp_endpoint_t *);
__u32 sctp_generate_tsn(const sctp_endpoint_t *);
__u32 sctp_generate_tag(const struct sctp_endpoint *);
__u32 sctp_generate_tsn(const struct sctp_endpoint *);
/* 4th level prototypes */
void sctp_param2sockaddr(union sctp_addr *addr, sctp_addr_param_t *,
......@@ -450,7 +450,7 @@ static inline void sctp_add_cmd_sf(sctp_cmd_seq_t *seq, sctp_verb_t verb, sctp_a
*/
static inline int
sctp_vtag_verify_either(const sctp_chunk_t *chunk,
const sctp_association_t *asoc)
const struct sctp_association *asoc)
{
/* RFC 2960 Section 8.5.1, sctpimpguide-06 Section 2.13.2
*
......
include/net/sctp/structs.h
View file @ 6a074a55
......@@ -83,14 +83,11 @@ struct sctp_outq;
struct sctp_bind_addr;
struct sctp_ulpq;
struct sctp_opt;
struct sctp_endpoint_common;
struct sctp_ep_common;
struct sctp_ssnmap;
typedef struct sctp_endpoint sctp_endpoint_t;
typedef struct sctp_association sctp_association_t;
typedef struct sctp_chunk sctp_chunk_t;
typedef struct sctp_bind_addr sctp_bind_addr_t;
typedef struct sctp_endpoint_common sctp_endpoint_common_t;
#include <net/sctp/tsnmap.h>
#include <net/sctp/ulpevent.h>
......@@ -114,7 +111,7 @@ typedef struct sctp_bind_hashbucket {
/* Used for hashing all associations. */
typedef struct sctp_hashbucket {
rwlock_t lock;
sctp_endpoint_common_t *chain;
struct sctp_ep_common *chain;
} sctp_hashbucket_t __attribute__((__aligned__(8)));
......@@ -235,7 +232,9 @@ struct sctp_af {
int saddr);
void (*from_sk) (union sctp_addr *,
struct sock *sk);
void (*to_sk) (union sctp_addr *,
void (*to_sk_saddr) (union sctp_addr *,
struct sock *sk);
void (*to_sk_daddr) (union sctp_addr *,
struct sock *sk);
int (*addr_valid) (union sctp_addr *);
sctp_scope_t (*scope) (union sctp_addr *);
......@@ -283,8 +282,11 @@ struct sctp_opt {
/* PF_ family specific functions. */
struct sctp_pf *pf;
/* Access to HMAC transform. */
struct crypto_tfm *hmac;
/* What is our base endpointer? */
sctp_endpoint_t *ep;
struct sctp_endpoint *ep;
/* Various Socket Options. */
__u16 default_stream;
......@@ -514,7 +516,7 @@ struct sctp_chunk {
struct sctp_association *asoc;
/* What endpoint received this chunk? */
sctp_endpoint_common_t *rcvr;
struct sctp_ep_common *rcvr;
/* We fill this in if we are calculating RTT. */
unsigned long sent_at;
......@@ -697,7 +699,6 @@ struct sctp_transport {
*/
int rto_pending;
/*
* These are the congestion stats.
*/
......@@ -973,7 +974,7 @@ int sctp_is_any(const union sctp_addr *addr);
int sctp_addr_is_valid(const union sctp_addr *addr);
/* What type of sctp_endpoint_common? */
/* What type of endpoint? */
typedef enum {
SCTP_EP_TYPE_SOCKET,
SCTP_EP_TYPE_ASSOCIATION,
......@@ -995,10 +996,10 @@ typedef enum {
*
*/
struct sctp_endpoint_common {
struct sctp_ep_common {
/* Fields to help us manage our entries in the hash tables. */
sctp_endpoint_common_t *next;
sctp_endpoint_common_t **pprev;
struct sctp_ep_common *next;
struct sctp_ep_common **pprev;
int hashent;
/* Runtime type information. What kind of endpoint is this? */
......@@ -1052,12 +1053,7 @@ struct sctp_endpoint_common {
struct sctp_endpoint {
/* Common substructure for endpoint and association. */
sctp_endpoint_common_t base;
/* These are the system-wide defaults and other stuff which is
* endpoint-independent.
*/
struct sctp_protocol *proto;
struct sctp_ep_common base;
/* Associations: A list of current associations and mappings
* to the data consumers for each association. This
......@@ -1092,28 +1088,29 @@ struct sctp_endpoint {
};
/* Recover the outter endpoint structure. */
static inline sctp_endpoint_t *sctp_ep(sctp_endpoint_common_t *base)
static inline struct sctp_endpoint *sctp_ep(struct sctp_ep_common *base)
{
sctp_endpoint_t *ep;
struct sctp_endpoint *ep;
ep = container_of(base, sctp_endpoint_t, base);
ep = container_of(base, struct sctp_endpoint, base);
return ep;
}
/* These are function signatures for manipulating endpoints. */
sctp_endpoint_t *sctp_endpoint_new(struct sctp_protocol *, struct sock *, int);
sctp_endpoint_t *sctp_endpoint_init(struct sctp_endpoint *,
struct sctp_protocol *,
struct sock *, int gfp);
void sctp_endpoint_free(sctp_endpoint_t *);
void sctp_endpoint_put(sctp_endpoint_t *);
void sctp_endpoint_hold(sctp_endpoint_t *);
void sctp_endpoint_add_asoc(sctp_endpoint_t *, struct sctp_association *asoc);
struct sctp_association *sctp_endpoint_lookup_assoc(const sctp_endpoint_t *ep,
const union sctp_addr *paddr,
struct sctp_transport **);
int sctp_endpoint_is_peeled_off(sctp_endpoint_t *, const union sctp_addr *);
sctp_endpoint_t *sctp_endpoint_is_match(sctp_endpoint_t *,
struct sctp_endpoint *sctp_endpoint_new(struct sock *, int);
struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *,
struct sock *, int gfp);
void sctp_endpoint_free(struct sctp_endpoint *);
void sctp_endpoint_put(struct sctp_endpoint *);
void sctp_endpoint_hold(struct sctp_endpoint *);
void sctp_endpoint_add_asoc(struct sctp_endpoint *, struct sctp_association *);
struct sctp_association *sctp_endpoint_lookup_assoc(
const struct sctp_endpoint *ep,
const union sctp_addr *paddr,
struct sctp_transport **);
int sctp_endpoint_is_peeled_off(struct sctp_endpoint *,
const union sctp_addr *);
struct sctp_endpoint *sctp_endpoint_is_match(struct sctp_endpoint *,
const union sctp_addr *);
int sctp_has_association(const union sctp_addr *laddr,
const union sctp_addr *paddr);
......@@ -1126,8 +1123,8 @@ int sctp_process_init(struct sctp_association *, sctp_cid_t cid,
sctp_init_chunk_t *init, int gfp);
int sctp_process_param(struct sctp_association *, union sctp_params param,
const union sctp_addr *from, int gfp);
__u32 sctp_generate_tag(const sctp_endpoint_t *);
__u32 sctp_generate_tsn(const sctp_endpoint_t *);
__u32 sctp_generate_tag(const struct sctp_endpoint *);
__u32 sctp_generate_tsn(const struct sctp_endpoint *);
/* RFC2960
......@@ -1150,7 +1147,7 @@ struct sctp_association {
* In this context, it represents the associations's view
* of the local endpoint of the association.
*/
sctp_endpoint_common_t base;
struct sctp_ep_common base;
/* Associations on the same socket. */
struct list_head asocs;
......@@ -1162,7 +1159,7 @@ struct sctp_association {
__u32 eyecatcher;
/* This is our parent endpoint. */
sctp_endpoint_t *ep;
struct sctp_endpoint *ep;
/* These are those association elements needed in the cookie. */
sctp_cookie_t c;
......@@ -1548,6 +1545,9 @@ struct sctp_association {
* after reaching 4294967295.
*/
__u32 addip_serial;
/* Is it a temporary association? */
__u8 temp;
};
......@@ -1559,7 +1559,7 @@ enum {
};
/* Recover the outter association structure. */
static inline struct sctp_association *sctp_assoc(sctp_endpoint_common_t *base)
static inline struct sctp_association *sctp_assoc(struct sctp_ep_common *base)
{
struct sctp_association *asoc;
......@@ -1571,10 +1571,10 @@ static inline struct sctp_association *sctp_assoc(sctp_endpoint_common_t *base)
struct sctp_association *
sctp_association_new(const sctp_endpoint_t *, const struct sock *,
sctp_association_new(const struct sctp_endpoint *, const struct sock *,
sctp_scope_t scope, int gfp);
struct sctp_association *
sctp_association_init(struct sctp_association *, const sctp_endpoint_t *,
sctp_association_init(struct sctp_association *, const struct sctp_endpoint *,
const struct sock *, sctp_scope_t scope,
int gfp);
void sctp_association_free(struct sctp_association *);
......
include/net/sctp/tsnmap.h
View file @ 6a074a55
......@@ -114,7 +114,7 @@ struct sctp_tsnmap_iter {
};
/* Create a new tsnmap. */
struct sctp_tsnmap *sctp_tsnmap_new(__u16 len, __u32 init_tsn, int priority);
struct sctp_tsnmap *sctp_tsnmap_new(__u16 len, __u32 init_tsn, int gfp);
/* Dispose of a tsnmap. */
void sctp_tsnmap_free(struct sctp_tsnmap *);
......
include/net/sctp/ulpevent.h
View file @ 6a074a55
......@@ -10,13 +10,15 @@
* sctp_ulpevent type is used to carry information from the state machine
* upwards to the ULP.
*
* The SCTP reference implementation is free software;
* This file is part of the SCTP kernel reference Implementation
*
* The SCTP reference 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
* The SCTP reference 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.
......@@ -27,12 +29,17 @@
* the Free Software Foundation, 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Please send any bug reports or fixes you make to one of the
* following email addresses:
* Please send any bug reports or fixes you make to the
* email address(es):
* lksctp developers <lksctp-developers@lists.sourceforge.net>
*
* Or submit a bug report through the following website:
* http://www.sf.net/projects/lksctp
*
* Jon Grimm <jgrimm@us.ibm.com>
* La Monte H.P. Yarroll <piggy@acm.org>
* Karl Knutson <karl@athena.chicago.il.us>
* Written or modified by:
* Jon Grimm <jgrimm@us.ibm.com>
* La Monte H.P. Yarroll <piggy@acm.org>
* Karl Knutson <karl@athena.chicago.il.us>
*
* Any bugs reported given to us we will try to fix... any fixes shared will
* be incorporated into the next SCTP release.
......@@ -64,7 +71,7 @@ static inline struct sctp_ulpevent *sctp_skb2event(struct sk_buff *skb)
return (struct sctp_ulpevent *)skb->cb;
}
struct sctp_ulpevent *sctp_ulpevent_new(int size, int flags, int priority);
struct sctp_ulpevent *sctp_ulpevent_new(int size, int flags, int gfp);
struct sctp_ulpevent *sctp_ulpevent_init(struct sctp_ulpevent *, int flags);
void sctp_ulpevent_free(struct sctp_ulpevent *);
int sctp_ulpevent_is_notification(const struct sctp_ulpevent *);
......@@ -76,7 +83,7 @@ struct sctp_ulpevent *sctp_ulpevent_make_assoc_change(
__u16 error,
__u16 outbound,
__u16 inbound,
int priority);
int gfp);
struct sctp_ulpevent *sctp_ulpevent_make_peer_addr_change(
const struct sctp_association *asoc,
......@@ -84,32 +91,32 @@ struct sctp_ulpevent *sctp_ulpevent_make_peer_addr_change(
int flags,
int state,
int error,
int priority);
int gfp);
struct sctp_ulpevent *sctp_ulpevent_make_remote_error(
const struct sctp_association *asoc,
struct sctp_chunk *chunk,
__u16 flags,
int priority);
int gfp);
struct sctp_ulpevent *sctp_ulpevent_make_send_failed(
const struct sctp_association *asoc,
struct sctp_chunk *chunk,
__u16 flags,
__u32 error,
int priority);
int gfp);
struct sctp_ulpevent *sctp_ulpevent_make_shutdown_event(
const struct sctp_association *asoc,
__u16 flags,
int priority);
int gfp);
struct sctp_ulpevent *sctp_ulpevent_make_pdapi(
const struct sctp_association *asoc,
__u32 indication, int priority);
__u32 indication, int gfp);
struct sctp_ulpevent *sctp_ulpevent_make_rcvmsg(struct sctp_association *asoc,
struct sctp_chunk *chunk,
int priority);
int gfp);
void sctp_ulpevent_read_sndrcvinfo(const struct sctp_ulpevent *event,
struct msghdr *);
......
include/net/sctp/ulpqueue.h
View file @ 6a074a55
......@@ -50,14 +50,15 @@
struct sctp_ulpq {
char malloced;
char pd_mode;
sctp_association_t *asoc;
struct sctp_association *asoc;
struct sk_buff_head reasm;
struct sk_buff_head lobby;
};
/* Prototypes. */
struct sctp_ulpq *sctp_ulpq_new(sctp_association_t *asoc, int priority);
struct sctp_ulpq *sctp_ulpq_init(struct sctp_ulpq *, sctp_association_t *);
struct sctp_ulpq *sctp_ulpq_new(struct sctp_association *asoc, int gfp);
struct sctp_ulpq *sctp_ulpq_init(struct sctp_ulpq *,
struct sctp_association *);
void sctp_ulpq_free(struct sctp_ulpq *);
/* Add a new DATA chunk for processing. */
......
net/sctp/Kconfig
View file @ 6a074a55
......@@ -43,12 +43,12 @@ config SCTP_ADLER32
bool "SCTP: Use old checksum (Adler-32)"
depends on IP_SCTP
help
RCF2960 currently specifies the Adler-32 checksum algorithm for SCTP.
RCF2960 currently specifies the Adler-32 checksum algorithm for SCTP.
This has been deprecated and replaced by an algorithm now referred
to as crc32c.
If you say Y, this will use the Adler-32 algorithm, this might be useful
for interoperation with downlevel peers.
If you say Y, this will use the Adler-32 algorithm, this might be
useful for interoperation with downlevel peers.
If unsure, say N.
......@@ -58,19 +58,46 @@ config SCTP_DBG_MSG
help
If you say Y, this will enable verbose debugging messages.
If unsure, say N. However, if you are running into problems, use this
option to gather detailed trace information
If unsure, say N. However, if you are running into problems, use
this option to gather detailed trace information
config SCTP_DBG_OBJCNT
bool "SCTP: Debug object counts"
depends on IP_SCTP
help
If you say Y, this will enable debugging support for counting the types
of objects that are currently allocated. This is useful for identifying
memory leaks. If the /proc filesystem is enabled this debug information
can be viewed by 'cat /proc/net/sctp/sctp_dbg_objcnt'
If you say Y, this will enable debugging support for counting the
type of objects that are currently allocated. This is useful for
identifying memory leaks. If the /proc filesystem is enabled this
debug information can be viewed by
'cat /proc/net/sctp/sctp_dbg_objcnt'
If unsure, say N
endmenu
choice
prompt "SCTP: Cookie HMAC Algorithm"
help
HMAC algorithm to be used during association initialization. It
is strongly recommended to use HMAC-SHA1 or HMAC-MD5. See
configuration for Cryptographic API and enable those algorithms
to make usable by SCTP.
config SCTP_HMAC_NONE
bool "None"
help
Choosing this disables the use of an HMAC during association
establishment. It is advised to use either HMAC-MD5 or HMAC-SHA1.
config SCTP_HMAC_SHA1
bool "HMAC-SHA1" if CRYPTO_HMAC=y && CRYPTO_SHA1=y || CRYPTO_SHA1=m
help
Enable the use of HMAC-SHA1 during association establishment. It
is advised to use either HMAC-MD5 or HMAC-SHA1.
config SCTP_HMAC_MD5
bool "HMAC-MD5" if CRYPTO_HMAC=y && CRYPTO_MD5=y || CRYPTO_MD5=m
help
Enable the use of HMAC-MD5 during association establishment. It is
advised to use either HMAC-MD5 or HMAC-SHA1.
endchoice
endmenu
net/sctp/Makefile
View file @ 6a074a55
......@@ -9,8 +9,7 @@ sctp-y := sm_statetable.o sm_statefuns.o sm_sideeffect.o \
transport.o sm_make_chunk.o ulpevent.o \
inqueue.o outqueue.o ulpqueue.o command.o \
tsnmap.o bind_addr.o socket.o primitive.o \
output.o input.o hashdriver.o sla1.o \
debug.o ssnmap.o proc.o
output.o input.o debug.o ssnmap.o proc.o
ifeq ($(CONFIG_SCTP_ADLER32), y)
sctp-y += adler32.o
......
net/sctp/adler32.c
View file @ 6a074a55
......@@ -2,43 +2,43 @@
* Copyright (c) 1999-2000 Cisco, Inc.
* Copyright (c) 1999-2001 Motorola, Inc.
* Copyright (c) 2003 International Business Machines, Corp.
*
*
* This file is part of the SCTP kernel reference Implementation
*
* This file has direct heritage from the SCTP user-level reference
*
* This file has direct heritage from the SCTP user-level reference
* implementation by R. Stewart, et al. These functions implement the
* Adler-32 algorithm as specified by RFC 2960.
*
* The SCTP reference implementation is free software;
* you can redistribute it and/or modify it under the terms of
* Adler-32 algorithm as specified by RFC 2960.
*
* The SCTP reference 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
*
* The SCTP reference 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.
* See the GNU General Public License for more details.
*
*
* You should have received a copy of the GNU General Public License
* along with GNU CC; see the file COPYING. If not, write to
* the Free Software Foundation, 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Boston, MA 02111-1307, USA.
*
* Please send any bug reports or fixes you make to the
* email address(es):
* lksctp developers <lksctp-developers@lists.sourceforge.net>
*
*
* Or submit a bug report through the following website:
* http://www.sf.net/projects/lksctp
*
* Written or modified by:
* Written or modified by:
* Randall Stewart <rstewar1@email.mot.com>
* Ken Morneau <kmorneau@cisco.com>
* Qiaobing Xie <qxie1@email.mot.com>
* Sridhar Samudrala <sri@us.ibm.com>
*
*
* Any bugs reported given to us we will try to fix... any fixes shared will
* be incorporated into the next SCTP release.
*/
......@@ -65,7 +65,7 @@
* tad, but I have commented the original lines below
*/
#include <linux/types.h>
#include <linux/types.h>
#include <net/sctp/sctp.h>
#define BASE 65521 /* largest prime smaller than 65536 */
......@@ -111,7 +111,7 @@ unsigned long update_adler32(unsigned long adler,
* This would then be (2 * BASE) - 2, which
* will still only do one subtract. On Intel
* this is much better to do this way and
* avoid the divide. Have not -pg'd on
* avoid the divide. Have not -pg'd on
* sparc.
*/
if (s2 >= BASE) {
......@@ -135,7 +135,7 @@ __u32 sctp_start_cksum(__u8 *ptr, __u16 count)
__u32 zero = 0L;
/* Calculate the CRC up to the checksum field. */
adler = update_adler32(adler, ptr,
adler = update_adler32(adler, ptr,
sizeof(struct sctphdr) - sizeof(__u32));
/* Skip over the checksum field. */
adler = update_adler32(adler, (unsigned char *) &zero,
......@@ -156,6 +156,15 @@ __u32 sctp_update_cksum(__u8 *ptr, __u16 count, __u32 adler)
return adler;
}
__u32 sctp_update_copy_cksum(__u8 *to, __u8 *from, __u16 count, __u32 adler)
{
/* Its not worth it to try harder. Adler32 is obsolescent. */
adler = update_adler32(adler, from, count);
memcpy(to, from, count);
return adler;
}
__u32 sctp_end_cksum(__u32 adler)
{
return adler;
......
net/sctp/associola.c
View file @ 6a074a55
......@@ -58,23 +58,23 @@
#include <net/sctp/sctp.h>
/* Forward declarations for internal functions. */
static void sctp_assoc_bh_rcv(sctp_association_t *asoc);
static void sctp_assoc_bh_rcv(struct sctp_association *asoc);
/* 1st Level Abstractions. */
/* Allocate and initialize a new association */
sctp_association_t *sctp_association_new(const sctp_endpoint_t *ep,
struct sctp_association *sctp_association_new(const struct sctp_endpoint *ep,
const struct sock *sk,
sctp_scope_t scope, int priority)
sctp_scope_t scope, int gfp)
{
sctp_association_t *asoc;
struct sctp_association *asoc;
asoc = t_new(sctp_association_t, priority);
asoc = t_new(struct sctp_association, gfp);
if (!asoc)
goto fail;
if (!sctp_association_init(asoc, ep, sk, scope, priority))
if (!sctp_association_init(asoc, ep, sk, scope, gfp))
goto fail_init;
asoc->base.malloced = 1;
......@@ -89,23 +89,24 @@ sctp_association_t *sctp_association_new(const sctp_endpoint_t *ep,
}
/* Intialize a new association from provided memory. */
sctp_association_t *sctp_association_init(sctp_association_t *asoc,
const sctp_endpoint_t *ep,
struct sctp_association *sctp_association_init(struct sctp_association *asoc,
const struct sctp_endpoint *ep,
const struct sock *sk,
sctp_scope_t scope,
int priority)
int gfp)
{
struct sctp_opt *sp;
struct sctp_protocol *proto = sctp_get_protocol();
int i;
/* Retrieve the SCTP per socket area. */
sp = sctp_sk((struct sock *)sk);
/* Init all variables to a known value. */
memset(asoc, 0, sizeof(sctp_association_t));
memset(asoc, 0, sizeof(struct sctp_association));
/* Discarding const is appropriate here. */
asoc->ep = (sctp_endpoint_t *)ep;
asoc->ep = (struct sctp_endpoint *)ep;
sctp_endpoint_hold(asoc->ep);
/* Hold the sock. */
......@@ -136,10 +137,10 @@ sctp_association_t *sctp_association_init(sctp_association_t *asoc,
asoc->frag_point = 0;
/* Initialize the default association max_retrans and RTO values. */
asoc->max_retrans = ep->proto->max_retrans_association;
asoc->rto_initial = ep->proto->rto_initial;
asoc->rto_max = ep->proto->rto_max;
asoc->rto_min = ep->proto->rto_min;
asoc->max_retrans = proto->max_retrans_association;
asoc->rto_initial = proto->rto_initial;
asoc->rto_max = proto->rto_max;
asoc->rto_min = proto->rto_min;
asoc->overall_error_threshold = 0;
asoc->overall_error_count = 0;
......@@ -147,7 +148,7 @@ sctp_association_t *sctp_association_init(sctp_association_t *asoc,
/* Initialize the maximum mumber of new data packets that can be sent
* in a burst.
*/
asoc->max_burst = ep->proto->max_burst;
asoc->max_burst = proto->max_burst;
/* Copy things from the endpoint. */
for (i = SCTP_EVENT_TIMEOUT_NONE; i < SCTP_NUM_TIMEOUT_TYPES; ++i) {
......@@ -288,7 +289,7 @@ sctp_association_t *sctp_association_init(sctp_association_t *asoc,
/* Free this association if possible. There may still be users, so
* the actual deallocation may be delayed.
*/
void sctp_association_free(sctp_association_t *asoc)
void sctp_association_free(struct sctp_association *asoc)
{
struct sock *sk = asoc->base.sk;
struct sctp_transport *transport;
......@@ -351,7 +352,7 @@ void sctp_association_free(sctp_association_t *asoc)
}
/* Cleanup and free up an association. */
static void sctp_association_destroy(sctp_association_t *asoc)
static void sctp_association_destroy(struct sctp_association *asoc)
{
SCTP_ASSERT(asoc->base.dead, "Assoc is not dead", return);
......@@ -384,7 +385,7 @@ void sctp_assoc_set_primary(struct sctp_association *asoc,
/* Add a transport address to an association. */
struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc,
const union sctp_addr *addr,
int priority)
int gfp)
{
struct sctp_transport *peer;
struct sctp_opt *sp;
......@@ -403,7 +404,7 @@ struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc,
if (peer)
return peer;
peer = sctp_transport_new(addr, priority);
peer = sctp_transport_new(addr, gfp);
if (!peer)
return NULL;
......@@ -489,8 +490,9 @@ struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc,
}
/* Lookup a transport by address. */
struct sctp_transport *sctp_assoc_lookup_paddr(const sctp_association_t *asoc,
const union sctp_addr *address)
struct sctp_transport *sctp_assoc_lookup_paddr(
const struct sctp_association *asoc,
const union sctp_addr *address)
{
struct sctp_transport *t;
struct list_head *pos;
......@@ -510,7 +512,7 @@ struct sctp_transport *sctp_assoc_lookup_paddr(const sctp_association_t *asoc,
* Mark the transport up or down and send a notification to the user.
* Select and update the new active and retran paths.
*/
void sctp_assoc_control_transport(sctp_association_t *asoc,
void sctp_assoc_control_transport(struct sctp_association *asoc,
struct sctp_transport *transport,
sctp_transport_cmd_t command,
sctp_sn_error_t error)
......@@ -600,7 +602,7 @@ void sctp_assoc_control_transport(sctp_association_t *asoc,
}
/* Hold a reference to an association. */
void sctp_association_hold(sctp_association_t *asoc)
void sctp_association_hold(struct sctp_association *asoc)
{
atomic_inc(&asoc->base.refcnt);
}
......@@ -608,7 +610,7 @@ void sctp_association_hold(sctp_association_t *asoc)
/* Release a reference to an association and cleanup
* if there are no more references.
*/
void sctp_association_put(sctp_association_t *asoc)
void sctp_association_put(struct sctp_association *asoc)
{
if (atomic_dec_and_test(&asoc->base.refcnt))
sctp_association_destroy(asoc);
......@@ -617,7 +619,7 @@ void sctp_association_put(sctp_association_t *asoc)
/* Allocate the next TSN, Transmission Sequence Number, for the given
* association.
*/
__u32 sctp_association_get_next_tsn(sctp_association_t *asoc)
__u32 sctp_association_get_next_tsn(struct sctp_association *asoc)
{
/* From Section 1.6 Serial Number Arithmetic:
* Transmission Sequence Numbers wrap around when they reach
......@@ -632,7 +634,7 @@ __u32 sctp_association_get_next_tsn(sctp_association_t *asoc)
}
/* Allocate 'num' TSNs by incrementing the association's TSN by num. */
__u32 sctp_association_get_tsn_block(sctp_association_t *asoc, int num)
__u32 sctp_association_get_tsn_block(struct sctp_association *asoc, int num)
{
__u32 retval = asoc->next_tsn;
......@@ -680,7 +682,7 @@ sctp_chunk_t *sctp_get_ecne_prepend(struct sctp_association *asoc)
/* Use this function for the packet prepend callback when no ECNE
* packet is desired (e.g. some packets don't like to be bundled).
*/
sctp_chunk_t *sctp_get_no_prepend(sctp_association_t *asoc)
sctp_chunk_t *sctp_get_no_prepend(struct sctp_association *asoc)
{
return NULL;
}
......@@ -688,7 +690,7 @@ sctp_chunk_t *sctp_get_no_prepend(sctp_association_t *asoc)
/*
* Find which transport this TSN was sent on.
*/
struct sctp_transport *sctp_assoc_lookup_tsn(sctp_association_t *asoc, __u32 tsn)
struct sctp_transport *sctp_assoc_lookup_tsn(struct sctp_association *asoc, __u32 tsn)
{
struct sctp_transport *active;
struct sctp_transport *match;
......@@ -745,7 +747,7 @@ struct sctp_transport *sctp_assoc_lookup_tsn(sctp_association_t *asoc, __u32 tsn
}
/* Is this the association we are looking for? */
struct sctp_transport *sctp_assoc_is_match(sctp_association_t *asoc,
struct sctp_transport *sctp_assoc_is_match(struct sctp_association *asoc,
const union sctp_addr *laddr,
const union sctp_addr *paddr)
{
......@@ -771,9 +773,9 @@ struct sctp_transport *sctp_assoc_is_match(sctp_association_t *asoc,
}
/* Do delayed input processing. This is scheduled by sctp_rcv(). */
static void sctp_assoc_bh_rcv(sctp_association_t *asoc)
static void sctp_assoc_bh_rcv(struct sctp_association *asoc)
{
sctp_endpoint_t *ep;
struct sctp_endpoint *ep;
sctp_chunk_t *chunk;
struct sock *sk;
struct sctp_inq *inqueue;
......@@ -819,7 +821,7 @@ static void sctp_assoc_bh_rcv(sctp_association_t *asoc)
}
/* This routine moves an association from its old sk to a new sk. */
void sctp_assoc_migrate(sctp_association_t *assoc, struct sock *newsk)
void sctp_assoc_migrate(struct sctp_association *assoc, struct sock *newsk)
{
struct sctp_opt *newsp = sctp_sk(newsk);
struct sock *oldsk = assoc->base.sk;
......@@ -850,7 +852,7 @@ void sctp_assoc_migrate(sctp_association_t *assoc, struct sock *newsk)
}
/* Update an association (possibly from unexpected COOKIE-ECHO processing). */
void sctp_assoc_update(sctp_association_t *asoc, sctp_association_t *new)
void sctp_assoc_update(struct sctp_association *asoc, struct sctp_association *new)
{
/* Copy in new parameters of peer. */
asoc->c = new->c;
......@@ -898,7 +900,7 @@ void sctp_assoc_update(sctp_association_t *asoc, sctp_association_t *new)
* through the inactive transports as this is the next best thing
* we can try.
*/
void sctp_assoc_update_retran_path(sctp_association_t *asoc)
void sctp_assoc_update_retran_path(struct sctp_association *asoc)
{
struct sctp_transport *t, *next;
struct list_head *head = &asoc->peer.transport_addr_list;
......@@ -944,7 +946,7 @@ void sctp_assoc_update_retran_path(sctp_association_t *asoc)
}
/* Choose the transport for sending a SHUTDOWN packet. */
struct sctp_transport *sctp_assoc_choose_shutdown_transport(sctp_association_t *asoc)
struct sctp_transport *sctp_assoc_choose_shutdown_transport(struct sctp_association *asoc)
{
/* If this is the first time SHUTDOWN is sent, use the active path,
* else use the retran path. If the last SHUTDOWN was sent over the
......@@ -963,7 +965,7 @@ struct sctp_transport *sctp_assoc_choose_shutdown_transport(sctp_association_t *
/* Update the association's pmtu and frag_point by going through all the
* transports. This routine is called when a transport's PMTU has changed.
*/
void sctp_assoc_sync_pmtu(sctp_association_t *asoc)
void sctp_assoc_sync_pmtu(struct sctp_association *asoc)
{
struct sctp_transport *t;
struct list_head *pos;
......@@ -1007,7 +1009,7 @@ static inline int sctp_peer_needs_update(struct sctp_association *asoc)
}
/* Increase asoc's rwnd by len and send any window update SACK if needed. */
void sctp_assoc_rwnd_increase(sctp_association_t *asoc, int len)
void sctp_assoc_rwnd_increase(struct sctp_association *asoc, int len)
{
sctp_chunk_t *sack;
struct timer_list *timer;
......@@ -1053,7 +1055,7 @@ void sctp_assoc_rwnd_increase(sctp_association_t *asoc, int len)
}
/* Decrease asoc's rwnd by len. */
void sctp_assoc_rwnd_decrease(sctp_association_t *asoc, int len)
void sctp_assoc_rwnd_decrease(struct sctp_association *asoc, int len)
{
SCTP_ASSERT(asoc->rwnd, "rwnd zero", return);
SCTP_ASSERT(!asoc->rwnd_over, "rwnd_over not zero", return);
......@@ -1092,7 +1094,7 @@ int sctp_assoc_set_bind_addr_from_ep(struct sctp_association *asoc, int gfp)
}
/* Build the association's bind address list from the cookie. */
int sctp_assoc_set_bind_addr_from_cookie(sctp_association_t *asoc,
int sctp_assoc_set_bind_addr_from_cookie(struct sctp_association *asoc,
sctp_cookie_t *cookie, int gfp)
{
int var_size2 = ntohs(cookie->peer_init->chunk_hdr.length);
......
net/sctp/bind_addr.c
View file @ 6a074a55
......@@ -80,6 +80,22 @@ int sctp_bind_addr_copy(sctp_bind_addr_t *dest, const sctp_bind_addr_t *src,
goto out;
}
/* If there are no addresses matching the scope and
* this is global scope, try to get a link scope address, with
* the assumption that we must be sitting behind a NAT.
*/
if (list_empty(&dest->address_list) && (SCTP_SCOPE_GLOBAL == scope)) {
list_for_each(pos, &src->address_list) {
addr = list_entry(pos, struct sockaddr_storage_list,
list);
error = sctp_copy_one_addr(dest, &addr->a,
SCTP_SCOPE_LINK, gfp,
flags);
if (error < 0)
goto out;
}
}
out:
if (error)
sctp_bind_addr_clean(dest);
......@@ -214,6 +230,14 @@ union sctp_params sctp_bind_addrs_to_raw(const sctp_bind_addr_t *bp,
len += sizeof(sctp_addr_param_t);
}
/* Don't even bother embedding an address if there
* is only one.
*/
if (len == sizeof(sctp_addr_param_t)) {
retval.v = NULL;
goto end_raw;
}
retval.v = kmalloc(len, gfp);
if (!retval.v)
goto end_raw;
......
net/sctp/command.c
View file @ 6a074a55
......@@ -43,9 +43,9 @@
#include <net/sctp/sm.h>
/* Create a new sctp_command_sequence. */
sctp_cmd_seq_t *sctp_new_cmd_seq(int priority)
sctp_cmd_seq_t *sctp_new_cmd_seq(int gfp)
{
sctp_cmd_seq_t *retval = t_new(sctp_cmd_seq_t, priority);
sctp_cmd_seq_t *retval = t_new(sctp_cmd_seq_t, gfp);
if (retval)
sctp_init_cmd_seq(retval);
......
net/sctp/crc32c.c
View file @ 6a074a55
......@@ -170,6 +170,23 @@ __u32 sctp_update_cksum(__u8 *buffer, __u16 length, __u32 crc32)
return crc32;
}
__u32 sctp_update_copy_cksum(__u8 *to, __u8 *from, __u16 length, __u32 crc32)
{
__u32 i;
__u32 *_to = (__u32 *)to;
__u32 *_from = (__u32 *)from;
for (i = 0; i < (length/4); i++) {
_to[i] = _from[i];
CRC32C(crc32, from[i*4]);
CRC32C(crc32, from[i*4+1]);
CRC32C(crc32, from[i*4+2]);
CRC32C(crc32, from[i*4+3]);
}
return crc32;
}
__u32 sctp_end_cksum(__u32 crc32)
{
__u32 result;
......
net/sctp/endpointola.c
View file @ 6a074a55
......@@ -54,27 +54,27 @@
#include <linux/slab.h>
#include <linux/in.h>
#include <linux/random.h> /* get_random_bytes() */
#include <linux/crypto.h>
#include <net/sock.h>
#include <net/ipv6.h>
#include <net/sctp/sctp.h>
#include <net/sctp/sm.h>
/* Forward declarations for internal helpers. */
static void sctp_endpoint_bh_rcv(sctp_endpoint_t *ep);
static void sctp_endpoint_bh_rcv(struct sctp_endpoint *ep);
/* Create a sctp_endpoint_t with all that boring stuff initialized.
/* Create a sctp_endpoint with all that boring stuff initialized.
* Returns NULL if there isn't enough memory.
*/
sctp_endpoint_t *sctp_endpoint_new(struct sctp_protocol *proto,
struct sock *sk, int priority)
struct sctp_endpoint *sctp_endpoint_new(struct sock *sk, int gfp)
{
sctp_endpoint_t *ep;
struct sctp_endpoint *ep;
/* Build a local endpoint. */
ep = t_new(sctp_endpoint_t, priority);
ep = t_new(struct sctp_endpoint, gfp);
if (!ep)
goto fail;
if (!sctp_endpoint_init(ep, proto, sk, priority))
if (!sctp_endpoint_init(ep, sk, gfp))
goto fail_init;
ep->base.malloced = 1;
SCTP_DBG_OBJCNT_INC(ep);
......@@ -89,12 +89,11 @@ sctp_endpoint_t *sctp_endpoint_new(struct sctp_protocol *proto,
/*
* Initialize the base fields of the endpoint structure.
*/
sctp_endpoint_t *sctp_endpoint_init(sctp_endpoint_t *ep,
struct sctp_protocol *proto,
struct sock *sk, int priority)
struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *ep,
struct sock *sk, int gfp)
{
struct sctp_opt *sp = sctp_sk(sk);
memset(ep, 0, sizeof(sctp_endpoint_t));
memset(ep, 0, sizeof(struct sctp_endpoint));
/* Initialize the base structure. */
/* What type of endpoint are we? */
......@@ -110,8 +109,7 @@ sctp_endpoint_t *sctp_endpoint_init(sctp_endpoint_t *ep,
/* Set its top-half handler */
sctp_inq_set_th_handler(&ep->base.inqueue,
(void (*)(void *))sctp_endpoint_bh_rcv,
ep);
(void (*)(void *))sctp_endpoint_bh_rcv, ep);
/* Initialize the bind addr area */
sctp_bind_addr_init(&ep->base.bind_addr, 0);
......@@ -121,21 +119,16 @@ sctp_endpoint_t *sctp_endpoint_init(sctp_endpoint_t *ep,
ep->base.sk = sk;
sock_hold(ep->base.sk);
/* This pointer is useful to access the default protocol parameter
* values.
*/
ep->proto = proto;
/* Create the lists of associations. */
INIT_LIST_HEAD(&ep->asocs);
/* Set up the base timeout information. */
ep->timeouts[SCTP_EVENT_TIMEOUT_NONE] = 0;
ep->timeouts[SCTP_EVENT_TIMEOUT_T1_COOKIE] =
ep->timeouts[SCTP_EVENT_TIMEOUT_T1_COOKIE] =
SCTP_DEFAULT_TIMEOUT_T1_COOKIE;
ep->timeouts[SCTP_EVENT_TIMEOUT_T1_INIT] =
ep->timeouts[SCTP_EVENT_TIMEOUT_T1_INIT] =
SCTP_DEFAULT_TIMEOUT_T1_INIT;
ep->timeouts[SCTP_EVENT_TIMEOUT_T2_SHUTDOWN] =
ep->timeouts[SCTP_EVENT_TIMEOUT_T2_SHUTDOWN] =
sp->rtoinfo.srto_initial;
ep->timeouts[SCTP_EVENT_TIMEOUT_T3_RTX] = 0;
......@@ -146,11 +139,11 @@ sctp_endpoint_t *sctp_endpoint_init(sctp_endpoint_t *ep,
ep->timeouts[SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD]
= 5 * sp->rtoinfo.srto_max;
ep->timeouts[SCTP_EVENT_TIMEOUT_HEARTBEAT] =
ep->timeouts[SCTP_EVENT_TIMEOUT_HEARTBEAT] =
SCTP_DEFAULT_TIMEOUT_HEARTBEAT;
ep->timeouts[SCTP_EVENT_TIMEOUT_SACK] =
ep->timeouts[SCTP_EVENT_TIMEOUT_SACK] =
SCTP_DEFAULT_TIMEOUT_SACK;
ep->timeouts[SCTP_EVENT_TIMEOUT_AUTOCLOSE] =
ep->timeouts[SCTP_EVENT_TIMEOUT_AUTOCLOSE] =
sp->autoclose * HZ;
/* Set up the default send/receive buffer space. */
......@@ -175,7 +168,8 @@ sctp_endpoint_t *sctp_endpoint_init(sctp_endpoint_t *ep,
}
/* Add an association to an endpoint. */
void sctp_endpoint_add_asoc(sctp_endpoint_t *ep, sctp_association_t *asoc)
void sctp_endpoint_add_asoc(struct sctp_endpoint *ep,
struct sctp_association *asoc)
{
struct sock *sk = ep->base.sk;
......@@ -191,14 +185,14 @@ void sctp_endpoint_add_asoc(sctp_endpoint_t *ep, sctp_association_t *asoc)
/* Free the endpoint structure. Delay cleanup until
* all users have released their reference count on this structure.
*/
void sctp_endpoint_free(sctp_endpoint_t *ep)
void sctp_endpoint_free(struct sctp_endpoint *ep)
{
ep->base.dead = 1;
sctp_endpoint_put(ep);
}
/* Final destructor for endpoint. */
void sctp_endpoint_destroy(sctp_endpoint_t *ep)
void sctp_endpoint_destroy(struct sctp_endpoint *ep)
{
SCTP_ASSERT(ep->base.dead, "Endpoint is not dead", return);
......@@ -207,9 +201,12 @@ void sctp_endpoint_destroy(sctp_endpoint_t *ep)
/* Unlink this endpoint, so we can't find it again! */
sctp_unhash_endpoint(ep);
/* Cleanup the inqueue. */
sctp_inq_free(&ep->base.inqueue);
/* Free up the HMAC transform. */
if (sctp_sk(ep->base.sk)->hmac)
sctp_crypto_free_tfm(sctp_sk(ep->base.sk)->hmac);
/* Cleanup. */
sctp_inq_free(&ep->base.inqueue);
sctp_bind_addr_free(&ep->base.bind_addr);
/* Remove and free the port */
......@@ -228,7 +225,7 @@ void sctp_endpoint_destroy(sctp_endpoint_t *ep)
}
/* Hold a reference to an endpoint. */
void sctp_endpoint_hold(sctp_endpoint_t *ep)
void sctp_endpoint_hold(struct sctp_endpoint *ep)
{
atomic_inc(&ep->base.refcnt);
}
......@@ -236,17 +233,17 @@ void sctp_endpoint_hold(sctp_endpoint_t *ep)
/* Release a reference to an endpoint and clean up if there are
* no more references.
*/
void sctp_endpoint_put(sctp_endpoint_t *ep)
void sctp_endpoint_put(struct sctp_endpoint *ep)
{
if (atomic_dec_and_test(&ep->base.refcnt))
sctp_endpoint_destroy(ep);
}
/* Is this the endpoint we are looking for? */
sctp_endpoint_t *sctp_endpoint_is_match(sctp_endpoint_t *ep,
const union sctp_addr *laddr)
struct sctp_endpoint *sctp_endpoint_is_match(struct sctp_endpoint *ep,
const union sctp_addr *laddr)
{
sctp_endpoint_t *retval;
struct sctp_endpoint *retval;
sctp_read_lock(&ep->base.addr_lock);
if (ep->base.bind_addr.port == laddr->v4.sin_port) {
......@@ -268,19 +265,19 @@ sctp_endpoint_t *sctp_endpoint_is_match(sctp_endpoint_t *ep,
* We do a linear search of the associations for this endpoint.
* We return the matching transport address too.
*/
sctp_association_t *__sctp_endpoint_lookup_assoc(
const sctp_endpoint_t *endpoint,
struct sctp_association *__sctp_endpoint_lookup_assoc(
const struct sctp_endpoint *ep,
const union sctp_addr *paddr,
struct sctp_transport **transport)
{
int rport;
sctp_association_t *asoc;
struct sctp_association *asoc;
struct list_head *pos;
rport = paddr->v4.sin_port;
list_for_each(pos, &endpoint->asocs) {
asoc = list_entry(pos, sctp_association_t, asocs);
list_for_each(pos, &ep->asocs) {
asoc = list_entry(pos, struct sctp_association, asocs);
if (rport == asoc->peer.port) {
sctp_read_lock(&asoc->base.addr_lock);
*transport = sctp_assoc_lookup_paddr(asoc, paddr);
......@@ -296,12 +293,12 @@ sctp_association_t *__sctp_endpoint_lookup_assoc(
}
/* Lookup association on an endpoint based on a peer address. BH-safe. */
sctp_association_t *sctp_endpoint_lookup_assoc(
const sctp_endpoint_t *ep,
struct sctp_association *sctp_endpoint_lookup_assoc(
const struct sctp_endpoint *ep,
const union sctp_addr *paddr,
struct sctp_transport **transport)
{
sctp_association_t *asoc;
struct sctp_association *asoc;
sctp_local_bh_disable();
asoc = __sctp_endpoint_lookup_assoc(ep, paddr, transport);
......@@ -313,7 +310,7 @@ sctp_association_t *sctp_endpoint_lookup_assoc(
/* Look for any peeled off association from the endpoint that matches the
* given peer address.
*/
int sctp_endpoint_is_peeled_off(sctp_endpoint_t *ep,
int sctp_endpoint_is_peeled_off(struct sctp_endpoint *ep,
const union sctp_addr *paddr)
{
struct list_head *pos;
......@@ -337,9 +334,9 @@ int sctp_endpoint_is_peeled_off(sctp_endpoint_t *ep,
/* Do delayed input processing. This is scheduled by sctp_rcv().
* This may be called on BH or task time.
*/
static void sctp_endpoint_bh_rcv(sctp_endpoint_t *ep)
static void sctp_endpoint_bh_rcv(struct sctp_endpoint *ep)
{
sctp_association_t *asoc;
struct sctp_association *asoc;
struct sock *sk;
struct sctp_transport *transport;
sctp_chunk_t *chunk;
......@@ -355,7 +352,7 @@ static void sctp_endpoint_bh_rcv(sctp_endpoint_t *ep)
inqueue = &ep->base.inqueue;
sk = ep->base.sk;
while (NULL != (chunk = sctp_inq_pop(inqueue))) {
while (NULL != (chunk = sctp_inq_pop(inqueue))) {
subtype.chunk = chunk->chunk_hdr->type;
/* We might have grown an association since last we
......
net/sctp/input.c
View file @ 6a074a55
......@@ -63,11 +63,11 @@
/* Forward declarations for internal helpers. */
static int sctp_rcv_ootb(struct sk_buff *);
sctp_association_t *__sctp_rcv_lookup(struct sk_buff *skb,
struct sctp_association *__sctp_rcv_lookup(struct sk_buff *skb,
const union sctp_addr *laddr,
const union sctp_addr *paddr,
struct sctp_transport **transportp);
sctp_endpoint_t *__sctp_rcv_lookup_endpoint(const union sctp_addr *laddr);
struct sctp_endpoint *__sctp_rcv_lookup_endpoint(const union sctp_addr *laddr);
/* Calculate the SCTP checksum of an SCTP packet. */
......@@ -102,9 +102,9 @@ static inline int sctp_rcv_checksum(struct sk_buff *skb)
int sctp_rcv(struct sk_buff *skb)
{
struct sock *sk;
sctp_association_t *asoc;
sctp_endpoint_t *ep = NULL;
sctp_endpoint_common_t *rcvr;
struct sctp_association *asoc;
struct sctp_endpoint *ep = NULL;
struct sctp_ep_common *rcvr;
struct sctp_transport *transport = NULL;
sctp_chunk_t *chunk;
struct sctphdr *sh;
......@@ -128,11 +128,11 @@ int sctp_rcv(struct sk_buff *skb)
if (sctp_rcv_checksum(skb) < 0)
goto bad_packet;
skb_pull(skb, sizeof(struct sctphdr));
skb_pull(skb, sizeof(struct sctphdr));
family = ipver2af(skb->nh.iph->version);
af = sctp_get_af_specific(family);
if (unlikely(!af))
if (unlikely(!af))
goto bad_packet;
/* Initialize local addresses for lookups. */
......@@ -224,9 +224,7 @@ int sctp_rcv(struct sk_buff *skb)
return ret;
bad_packet:
#if 0 /* FIXME */
SCTP_INC_STATS(SctpInErrs);
#endif /* FIXME*/
SCTP_INC_STATS(SctpChecksumErrors);
discard_it:
kfree_skb(skb);
......@@ -286,8 +284,8 @@ void sctp_icmp_frag_needed(struct sock *sk, struct sctp_association *asoc,
/* Common lookup code for icmp/icmpv6 error handler. */
struct sock *sctp_err_lookup(int family, struct sk_buff *skb,
struct sctphdr *sctphdr,
struct sctp_endpoint **epp,
struct sctp_association **app,
struct sctp_endpoint **epp,
struct sctp_association **app,
struct sctp_transport **tpp)
{
union sctp_addr saddr;
......@@ -309,15 +307,15 @@ struct sock *sctp_err_lookup(int family, struct sk_buff *skb,
af->from_skb(&saddr, skb, 1);
af->from_skb(&daddr, skb, 0);
/* Look for an association that matches the incoming ICMP error
/* Look for an association that matches the incoming ICMP error
* packet.
*/
asoc = __sctp_lookup_association(&saddr, &daddr, &transport);
if (!asoc) {
/* If there is no matching association, see if it matches any
* endpoint. This may happen for an ICMP error generated in
* response to an INIT_ACK.
*/
* endpoint. This may happen for an ICMP error generated in
* response to an INIT_ACK.
*/
ep = __sctp_rcv_lookup_endpoint(&daddr);
if (!ep) {
return NULL;
......@@ -345,25 +343,25 @@ struct sock *sctp_err_lookup(int family, struct sk_buff *skb,
*app = asoc;
*tpp = transport;
return sk;
out:
sock_put(sk);
if (asoc)
sctp_association_put(asoc);
if (ep)
if (ep)
sctp_endpoint_put(ep);
return NULL;
}
/* Common cleanup code for icmp/icmpv6 error handler. */
void sctp_err_finish(struct sock *sk, struct sctp_endpoint *ep,
void sctp_err_finish(struct sock *sk, struct sctp_endpoint *ep,
struct sctp_association *asoc)
{
sctp_bh_unlock_sock(sk);
sock_put(sk);
if (asoc)
sctp_association_put(asoc);
if (ep)
if (ep)
sctp_endpoint_put(ep);
}
......@@ -389,8 +387,8 @@ void sctp_v4_err(struct sk_buff *skb, __u32 info)
int type = skb->h.icmph->type;
int code = skb->h.icmph->code;
struct sock *sk;
sctp_endpoint_t *ep;
sctp_association_t *asoc;
struct sctp_endpoint *ep;
struct sctp_association *asoc;
struct sctp_transport *transport;
struct inet_opt *inet;
char *saveip, *savesctp;
......@@ -414,7 +412,7 @@ void sctp_v4_err(struct sk_buff *skb, __u32 info)
ICMP_INC_STATS_BH(IcmpInErrors);
return;
}
/* Warning: The sock lock is held. Remember to call
/* Warning: The sock lock is held. Remember to call
* sctp_err_finish!
*/
......@@ -520,10 +518,10 @@ int sctp_rcv_ootb(struct sk_buff *skb)
}
/* Insert endpoint into the hash table. */
void __sctp_hash_endpoint(sctp_endpoint_t *ep)
void __sctp_hash_endpoint(struct sctp_endpoint *ep)
{
sctp_endpoint_common_t **epp;
sctp_endpoint_common_t *epb;
struct sctp_ep_common **epp;
struct sctp_ep_common *epb;
sctp_hashbucket_t *head;
epb = &ep->base;
......@@ -542,7 +540,7 @@ void __sctp_hash_endpoint(sctp_endpoint_t *ep)
}
/* Add an endpoint to the hash. Local BH-safe. */
void sctp_hash_endpoint(sctp_endpoint_t *ep)
void sctp_hash_endpoint(struct sctp_endpoint *ep)
{
sctp_local_bh_disable();
__sctp_hash_endpoint(ep);
......@@ -550,10 +548,10 @@ void sctp_hash_endpoint(sctp_endpoint_t *ep)
}
/* Remove endpoint from the hash table. */
void __sctp_unhash_endpoint(sctp_endpoint_t *ep)
void __sctp_unhash_endpoint(struct sctp_endpoint *ep)
{
sctp_hashbucket_t *head;
sctp_endpoint_common_t *epb;
struct sctp_ep_common *epb;
epb = &ep->base;
......@@ -574,7 +572,7 @@ void __sctp_unhash_endpoint(sctp_endpoint_t *ep)
}
/* Remove endpoint from the hash. Local BH-safe. */
void sctp_unhash_endpoint(sctp_endpoint_t *ep)
void sctp_unhash_endpoint(struct sctp_endpoint *ep)
{
sctp_local_bh_disable();
__sctp_unhash_endpoint(ep);
......@@ -582,11 +580,11 @@ void sctp_unhash_endpoint(sctp_endpoint_t *ep)
}
/* Look up an endpoint. */
sctp_endpoint_t *__sctp_rcv_lookup_endpoint(const union sctp_addr *laddr)
struct sctp_endpoint *__sctp_rcv_lookup_endpoint(const union sctp_addr *laddr)
{
sctp_hashbucket_t *head;
sctp_endpoint_common_t *epb;
sctp_endpoint_t *ep;
struct sctp_ep_common *epb;
struct sctp_endpoint *ep;
int hash;
hash = sctp_ep_hashfn(laddr->v4.sin_port);
......@@ -609,7 +607,7 @@ sctp_endpoint_t *__sctp_rcv_lookup_endpoint(const union sctp_addr *laddr)
}
/* Add an association to the hash. Local BH-safe. */
void sctp_hash_established(sctp_association_t *asoc)
void sctp_hash_established(struct sctp_association *asoc)
{
sctp_local_bh_disable();
__sctp_hash_established(asoc);
......@@ -617,10 +615,10 @@ void sctp_hash_established(sctp_association_t *asoc)
}
/* Insert association into the hash table. */
void __sctp_hash_established(sctp_association_t *asoc)
void __sctp_hash_established(struct sctp_association *asoc)
{
sctp_endpoint_common_t **epp;
sctp_endpoint_common_t *epb;
struct sctp_ep_common **epp;
struct sctp_ep_common *epb;
sctp_hashbucket_t *head;
epb = &asoc->base;
......@@ -641,7 +639,7 @@ void __sctp_hash_established(sctp_association_t *asoc)
}
/* Remove association from the hash table. Local BH-safe. */
void sctp_unhash_established(sctp_association_t *asoc)
void sctp_unhash_established(struct sctp_association *asoc)
{
sctp_local_bh_disable();
__sctp_unhash_established(asoc);
......@@ -649,10 +647,10 @@ void sctp_unhash_established(sctp_association_t *asoc)
}
/* Remove association from the hash table. */
void __sctp_unhash_established(sctp_association_t *asoc)
void __sctp_unhash_established(struct sctp_association *asoc)
{
sctp_hashbucket_t *head;
sctp_endpoint_common_t *epb;
struct sctp_ep_common *epb;
epb = &asoc->base;
......@@ -674,13 +672,14 @@ void __sctp_unhash_established(sctp_association_t *asoc)
}
/* Look up an association. */
sctp_association_t *__sctp_lookup_association(const union sctp_addr *local,
const union sctp_addr *peer,
struct sctp_transport **pt)
struct sctp_association *__sctp_lookup_association(
const union sctp_addr *local,
const union sctp_addr *peer,
struct sctp_transport **pt)
{
sctp_hashbucket_t *head;
sctp_endpoint_common_t *epb;
sctp_association_t *asoc;
struct sctp_ep_common *epb;
struct sctp_association *asoc;
struct sctp_transport *transport;
int hash;
......@@ -710,11 +709,11 @@ sctp_association_t *__sctp_lookup_association(const union sctp_addr *local,
}
/* Look up an association. BH-safe. */
sctp_association_t *sctp_lookup_association(const union sctp_addr *laddr,
struct sctp_association *sctp_lookup_association(const union sctp_addr *laddr,
const union sctp_addr *paddr,
struct sctp_transport **transportp)
{
sctp_association_t *asoc;
struct sctp_association *asoc;
sctp_local_bh_disable();
asoc = __sctp_lookup_association(laddr, paddr, transportp);
......@@ -727,7 +726,7 @@ sctp_association_t *sctp_lookup_association(const union sctp_addr *laddr,
int sctp_has_association(const union sctp_addr *laddr,
const union sctp_addr *paddr)
{
sctp_association_t *asoc;
struct sctp_association *asoc;
struct sctp_transport *transport;
if ((asoc = sctp_lookup_association(laddr, paddr, &transport))) {
......@@ -757,10 +756,10 @@ int sctp_has_association(const union sctp_addr *laddr,
* in certain circumstances.
*
*/
static sctp_association_t *__sctp_rcv_init_lookup(struct sk_buff *skb,
static struct sctp_association *__sctp_rcv_init_lookup(struct sk_buff *skb,
const union sctp_addr *laddr, struct sctp_transport **transportp)
{
sctp_association_t *asoc;
struct sctp_association *asoc;
union sctp_addr addr;
union sctp_addr *paddr = &addr;
struct sctphdr *sh = (struct sctphdr *) skb->h.raw;
......@@ -815,12 +814,12 @@ static sctp_association_t *__sctp_rcv_init_lookup(struct sk_buff *skb,
}
/* Lookup an association for an inbound skb. */
sctp_association_t *__sctp_rcv_lookup(struct sk_buff *skb,
struct sctp_association *__sctp_rcv_lookup(struct sk_buff *skb,
const union sctp_addr *paddr,
const union sctp_addr *laddr,
struct sctp_transport **transportp)
{
sctp_association_t *asoc;
struct sctp_association *asoc;
asoc = __sctp_lookup_association(laddr, paddr, transportp);
......
net/sctp/inqueue.c
View file @ 6a074a55
......@@ -78,7 +78,7 @@ void sctp_inq_free(struct sctp_inq *queue)
sctp_chunk_t *chunk;
/* Empty the queue. */
while ((chunk = (sctp_chunk_t *) skb_dequeue(&queue->in)) != NULL)
while ((chunk = (sctp_chunk_t *) skb_dequeue(&queue->in)))
sctp_free_chunk(chunk);
/* If there is a packet which is currently being worked on,
......@@ -123,7 +123,7 @@ sctp_chunk_t *sctp_inq_pop(struct sctp_inq *queue)
* at this time.
*/
if ((chunk = queue->in_progress) != NULL) {
if ((chunk = queue->in_progress)) {
/* There is a packet that we have been working on.
* Any post processing work to do before we move on?
*/
......
net/sctp/ipv6.c
View file @ 6a074a55
......@@ -95,8 +95,8 @@ void sctp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
struct ipv6hdr *iph = (struct ipv6hdr *)skb->data;
struct sctphdr *sh = (struct sctphdr *)(skb->data + offset);
struct sock *sk;
sctp_endpoint_t *ep;
sctp_association_t *asoc;
struct sctp_endpoint *ep;
struct sctp_association *asoc;
struct sctp_transport *transport;
struct ipv6_pinfo *np;
char *saveip, *savesctp;
......@@ -116,7 +116,7 @@ void sctp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
return;
}
/* Warning: The sock lock is held. Remember to call
/* Warning: The sock lock is held. Remember to call
* sctp_err_finish!
*/
......@@ -142,21 +142,19 @@ void sctp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
}
/* Based on tcp_v6_xmit() in tcp_ipv6.c. */
static int sctp_v6_xmit(struct sk_buff *skb, struct sctp_transport *transport,
static int sctp_v6_xmit(struct sk_buff *skb, struct sctp_transport *transport,
int ipfragok)
{
struct sock *sk = skb->sk;
struct ipv6_pinfo *np = inet6_sk(sk);
struct flowi fl;
struct dst_entry *dst = skb->dst;
struct rt6_info *rt6 = (struct rt6_info *)dst;
fl.proto = sk->protocol;
/* Fill in the dest address from the route entry passed with the skb
* and the source address from the transport.
*/
fl.fl6_dst = &rt6->rt6i_dst.addr;
fl.fl6_dst = &transport->ipaddr.v6.sin6_addr;
fl.fl6_src = &transport->saddr.v6.sin6_addr;
fl.fl6_flowlabel = np->flow_label;
......@@ -187,7 +185,7 @@ static int sctp_v6_xmit(struct sk_buff *skb, struct sctp_transport *transport,
/* Returns the dst cache entry for the given source and destination ip
* addresses.
*/
struct dst_entry *sctp_v6_get_dst(sctp_association_t *asoc,
struct dst_entry *sctp_v6_get_dst(struct sctp_association *asoc,
union sctp_addr *daddr,
union sctp_addr *saddr)
{
......@@ -245,7 +243,7 @@ static inline int sctp_v6_addr_match_len(union sctp_addr *s1,
/* Fills in the source address(saddr) based on the destination address(daddr)
* and asoc's bind address list.
*/
void sctp_v6_get_saddr(sctp_association_t *asoc, struct dst_entry *dst,
void sctp_v6_get_saddr(struct sctp_association *asoc, struct dst_entry *dst,
union sctp_addr *daddr, union sctp_addr *saddr)
{
sctp_bind_addr_t *bp;
......@@ -370,11 +368,17 @@ static void sctp_v6_from_sk(union sctp_addr *addr, struct sock *sk)
}
/* Initialize sk->rcv_saddr from sctp_addr. */
static void sctp_v6_to_sk(union sctp_addr *addr, struct sock *sk)
static void sctp_v6_to_sk_saddr(union sctp_addr *addr, struct sock *sk)
{
inet6_sk(sk)->rcv_saddr = addr->v6.sin6_addr;
}
/* Initialize sk->daddr from sctp_addr. */
static void sctp_v6_to_sk_daddr(union sctp_addr *addr, struct sock *sk)
{
inet6_sk(sk)->daddr = addr->v6.sin6_addr;
}
/* Initialize a sctp_addr from a dst_entry. */
static void sctp_v6_dst_saddr(union sctp_addr *addr, struct dst_entry *dst,
unsigned short port)
......@@ -385,7 +389,7 @@ static void sctp_v6_dst_saddr(union sctp_addr *addr, struct dst_entry *dst,
ipv6_addr_copy(&addr->v6.sin6_addr, &rt->rt6i_src.addr);
}
/* Compare addresses exactly.
/* Compare addresses exactly.
* FIXME: v4-mapped-v6.
*/
static int sctp_v6_cmp_addr(const union sctp_addr *addr1,
......@@ -514,6 +518,7 @@ struct sock *sctp_v6_create_accept_sk(struct sock *sk,
newsk->family = PF_INET6;
newsk->protocol = IPPROTO_SCTP;
newsk->backlog_rcv = sk->prot->backlog_rcv;
newsk->shutdown = sk->shutdown;
newsctp6sk = (struct sctp6_sock *)newsk;
newsctp6sk->pinet6 = &newsctp6sk->inet6;
......@@ -523,10 +528,14 @@ struct sock *sctp_v6_create_accept_sk(struct sock *sk,
memcpy(newnp, np, sizeof(struct ipv6_pinfo));
ipv6_addr_copy(&newnp->daddr, &asoc->peer.primary_addr.v6.sin6_addr);
/* Initialize sk's sport, dport, rcv_saddr and daddr for getsockname()
* and getpeername().
*/
newinet->sport = inet->sport;
newinet->dport = asoc->peer.port;
newnp->saddr = np->saddr;
newnp->rcv_saddr = np->rcv_saddr;
newinet->dport = htons(asoc->peer.port);
newnp->daddr = asoc->peer.primary_addr.v6.sin6_addr;
#ifdef INET_REFCNT_DEBUG
atomic_inc(&inet6_sock_nr);
......@@ -562,7 +571,7 @@ static void sctp_inet6_msgname(char *msgname, int *addr_len)
}
/* Initialize a PF_INET msgname from a ulpevent. */
static void sctp_inet6_event_msgname(struct sctp_ulpevent *event,
static void sctp_inet6_event_msgname(struct sctp_ulpevent *event,
char *msgname, int *addrlen)
{
struct sockaddr_in6 *sin6, *sin6from;
......@@ -589,7 +598,7 @@ static void sctp_inet6_event_msgname(struct sctp_ulpevent *event,
sin6from = &event->asoc->peer.primary_addr.v6;
ipv6_addr_copy(&sin6->sin6_addr, &sin6from->sin6_addr);
if (ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LINKLOCAL)
if (ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LINKLOCAL)
sin6->sin6_scope_id = sin6from->sin6_scope_id;
}
}
......@@ -689,7 +698,7 @@ static int sctp_inet6_bind_verify(struct sctp_opt *opt, union sctp_addr *addr)
if (addr->v6.sin6_scope_id)
sk->bound_dev_if = addr->v6.sin6_scope_id;
if (!sk->bound_dev_if)
return 0;
return 0;
}
af = opt->pf->af;
}
......@@ -719,11 +728,11 @@ static int sctp_inet6_send_verify(struct sctp_opt *opt, union sctp_addr *addr)
if (addr->v6.sin6_scope_id)
sk->bound_dev_if = addr->v6.sin6_scope_id;
if (!sk->bound_dev_if)
return 0;
return 0;
}
af = opt->pf->af;
}
return af != NULL;
}
......@@ -799,7 +808,8 @@ static struct sctp_af sctp_ipv6_specific = {
.copy_addrlist = sctp_v6_copy_addrlist,
.from_skb = sctp_v6_from_skb,
.from_sk = sctp_v6_from_sk,
.to_sk = sctp_v6_to_sk,
.to_sk_saddr = sctp_v6_to_sk_saddr,
.to_sk_daddr = sctp_v6_to_sk_daddr,
.dst_saddr = sctp_v6_dst_saddr,
.cmp_addr = sctp_v6_cmp_addr,
.scope = sctp_v6_scope,
......
net/sctp/output.c
View file @ 6a074a55
......@@ -166,11 +166,11 @@ static sctp_xmit_t sctp_packet_bundle_sack(struct sctp_packet *pkt,
/* If sending DATA and haven't aleady bundled a SACK, try to
* bundle one in to the packet.
*/
if (sctp_chunk_is_data(chunk) && !pkt->has_sack &&
if (sctp_chunk_is_data(chunk) && !pkt->has_sack &&
!pkt->has_cookie_echo) {
struct sctp_association *asoc;
asoc = pkt->transport->asoc;
if (asoc->a_rwnd > asoc->rwnd) {
struct sctp_chunk *sack;
asoc->a_rwnd = asoc->rwnd;
......@@ -205,7 +205,7 @@ sctp_xmit_t sctp_packet_append_chunk(struct sctp_packet *packet,
if (retval != SCTP_XMIT_OK)
goto finish;
pmtu = ((packet->transport->asoc) ?
(packet->transport->asoc->pmtu) :
(packet->transport->pmtu));
......@@ -259,7 +259,7 @@ sctp_xmit_t sctp_packet_append_chunk(struct sctp_packet *packet,
goto finish;
} else if (SCTP_CID_COOKIE_ECHO == chunk->chunk_hdr->type)
packet->has_cookie_echo = 1;
else if (SCTP_CID_SACK == chunk->chunk_hdr->type)
else if (SCTP_CID_SACK == chunk->chunk_hdr->type)
packet->has_sack = 1;
/* It is OK to send this chunk. */
......@@ -276,8 +276,8 @@ sctp_xmit_t sctp_packet_append_chunk(struct sctp_packet *packet,
*/
int sctp_packet_transmit(struct sctp_packet *packet)
{
struct sctp_transport *transport = packet->transport;
struct sctp_association *asoc = transport->asoc;
struct sctp_transport *tp = packet->transport;
struct sctp_association *asoc = tp->asoc;
struct sctphdr *sh;
__u32 crc32;
struct sk_buff *nskb;
......@@ -311,6 +311,32 @@ int sctp_packet_transmit(struct sctp_packet *packet)
*/
skb_set_owner_w(nskb, sk);
/* Build the SCTP header. */
sh = (struct sctphdr *)skb_push(nskb, sizeof(struct sctphdr));
sh->source = htons(packet->source_port);
sh->dest = htons(packet->destination_port);
/* From 6.8 Adler-32 Checksum Calculation:
* After the packet is constructed (containing the SCTP common
* header and one or more control or DATA chunks), the
* transmitter shall:
*
* 1) Fill in the proper Verification Tag in the SCTP common
* header and initialize the checksum field to 0's.
*/
sh->vtag = htonl(packet->vtag);
sh->checksum = 0;
/* 2) Calculate the Adler-32 checksum of the whole packet,
* including the SCTP common header and all the
* chunks.
*
* Note: Adler-32 is no longer applicable, as has been replaced
* by CRC32-C as described in <draft-ietf-tsvwg-sctpcsum-02.txt>.
*/
crc32 = sctp_start_cksum((__u8 *)sh, sizeof(struct sctphdr));
/**
* 6.10 Bundling
*
......@@ -344,16 +370,20 @@ int sctp_packet_transmit(struct sctp_packet *packet)
* for a given destination transport address.
*/
if ((1 == chunk->num_times_sent) &&
(!transport->rto_pending)) {
(!tp->rto_pending)) {
chunk->rtt_in_progress = 1;
transport->rto_pending = 1;
tp->rto_pending = 1;
}
has_data = 1;
}
memcpy(skb_put(nskb, chunk->skb->len),
chunk->skb->data, chunk->skb->len);
padding = WORD_ROUND(chunk->skb->len) - chunk->skb->len;
memset(skb_put(nskb, padding), 0, padding);
if (padding)
memset(skb_put(chunk->skb, padding), 0, padding);
crc32 = sctp_update_copy_cksum(skb_put(nskb, chunk->skb->len),
chunk->skb->data,
chunk->skb->len, crc32);
SCTP_DEBUG_PRINTK("%s %p[%s] %s 0x%x, %s %d, %s %d, %s %d, "
"%s %d\n",
"*** Chunk", chunk,
......@@ -376,30 +406,7 @@ int sctp_packet_transmit(struct sctp_packet *packet)
sctp_free_chunk(chunk);
}
/* Build the SCTP header. */
sh = (struct sctphdr *)skb_push(nskb, sizeof(struct sctphdr));
sh->source = htons(packet->source_port);
sh->dest = htons(packet->destination_port);
/* From 6.8 Adler-32 Checksum Calculation:
* After the packet is constructed (containing the SCTP common
* header and one or more control or DATA chunks), the
* transmitter shall:
*
* 1) Fill in the proper Verification Tag in the SCTP common
* header and initialize the checksum field to 0's.
*/
sh->vtag = htonl(packet->vtag);
sh->checksum = 0;
/* 2) Calculate the Adler-32 checksum of the whole packet,
* including the SCTP common header and all the
* chunks.
*
* Note: Adler-32 is no longer applicable, as has been replaced
* by CRC32-C as described in <draft-ietf-tsvwg-sctpcsum-02.txt>.
*/
crc32 = sctp_start_cksum((__u8 *)sh, nskb->len);
/* Perform final transformation on checksum. */
crc32 = sctp_end_cksum(crc32);
/* 3) Put the resultant value into the checksum field in the
......@@ -431,18 +438,18 @@ int sctp_packet_transmit(struct sctp_packet *packet)
*/
/* Dump that on IP! */
if (asoc && asoc->peer.last_sent_to != transport) {
if (asoc && asoc->peer.last_sent_to != tp) {
/* Considering the multiple CPU scenario, this is a
* "correcter" place for last_sent_to. --xguo
*/
asoc->peer.last_sent_to = transport;
asoc->peer.last_sent_to = tp;
}
if (has_data) {
struct timer_list *timer;
unsigned long timeout;
transport->last_time_used = jiffies;
tp->last_time_used = jiffies;
/* Restart the AUTOCLOSE timer when sending data. */
if ((SCTP_STATE_ESTABLISHED == asoc->state) &&
......@@ -455,21 +462,21 @@ int sctp_packet_transmit(struct sctp_packet *packet)
}
}
dst = transport->dst;
dst = tp->dst;
/* The 'obsolete' field of dst is set to 2 when a dst is freed. */
if (!dst || (dst->obsolete > 1)) {
dst_release(dst);
sctp_transport_route(transport, NULL, sctp_sk(sk));
sctp_transport_route(tp, NULL, sctp_sk(sk));
sctp_assoc_sync_pmtu(asoc);
}
nskb->dst = dst_clone(transport->dst);
nskb->dst = dst_clone(tp->dst);
if (!nskb->dst)
goto no_route;
SCTP_DEBUG_PRINTK("***sctp_transmit_packet*** skb length %d\n",
nskb->len);
(*transport->af_specific->sctp_xmit)(nskb, transport, packet->ipfragok);
(*tp->af_specific->sctp_xmit)(nskb, tp, packet->ipfragok);
out:
packet->size = SCTP_IP_OVERHEAD;
return err;
......@@ -596,7 +603,7 @@ static sctp_xmit_t sctp_packet_append_data(struct sctp_packet *packet,
* if any previously transmitted data on the connection remains
* unacknowledged.
*/
if (!sp->nodelay && SCTP_IP_OVERHEAD == packet->size &&
if (!sp->nodelay && SCTP_IP_OVERHEAD == packet->size &&
q->outstanding_bytes && SCTP_STATE_ESTABLISHED == asoc->state) {
unsigned len = datasize + q->out_qlen;
......
net/sctp/outqueue.c
View file @ 6a074a55
......@@ -94,13 +94,13 @@ static inline void sctp_outq_insert_data(struct sctp_outq *q,
struct sctp_chunk *ch,
struct sctp_chunk *pos)
{
__skb_insert((struct sk_buff *)ch, (struct sk_buff *)pos->prev,
__skb_insert((struct sk_buff *)ch, (struct sk_buff *)pos->prev,
(struct sk_buff *)pos, pos->list);
q->out_qlen += ch->skb->len;
}
/* Generate a new outqueue. */
struct sctp_outq *sctp_outq_new(sctp_association_t *asoc)
struct sctp_outq *sctp_outq_new(struct sctp_association *asoc)
{
struct sctp_outq *q;
......@@ -116,7 +116,7 @@ struct sctp_outq *sctp_outq_new(sctp_association_t *asoc)
* You still need to define handlers if you really want to DO
* something with this structure...
*/
void sctp_outq_init(sctp_association_t *asoc, struct sctp_outq *q)
void sctp_outq_init(struct sctp_association *asoc, struct sctp_outq *q)
{
q->asoc = asoc;
skb_queue_head_init(&q->out);
......@@ -417,7 +417,7 @@ static int sctp_outq_flush_rtx(struct sctp_outq *q, struct sctp_packet *pkt,
struct sctp_transport *transport = pkt->transport;
sctp_xmit_t status;
sctp_chunk_t *chunk;
sctp_association_t *asoc;
struct sctp_association *asoc;
int error = 0;
asoc = q->asoc;
......@@ -527,7 +527,7 @@ void sctp_xmit_frag(struct sctp_outq *q, struct sctp_chunk *pos,
SCTP_DEBUG_PRINTK("sctp_xmit_frag: q not empty. "
"adding 0x%x to outqueue\n",
ntohl(frag->subh.data_hdr->tsn));
if (pos)
if (pos)
sctp_outq_insert_data(q, frag, pos);
else
sctp_outq_tail_data(q, frag);
......@@ -584,7 +584,7 @@ void sctp_xmit_frag(struct sctp_outq *q, struct sctp_chunk *pos,
void sctp_xmit_fragmented_chunks(struct sctp_outq *q, struct sctp_packet *pkt,
sctp_chunk_t *frag)
{
sctp_association_t *asoc = frag->asoc;
struct sctp_association *asoc = frag->asoc;
struct list_head *lfrag, *frag_list;
__u32 tsn;
int nfrags = 1;
......@@ -618,7 +618,7 @@ void sctp_xmit_fragmented_chunks(struct sctp_outq *q, struct sctp_packet *pkt,
sctp_chunk_t *sctp_fragment_chunk(sctp_chunk_t *chunk,
size_t max_frag_data_len)
{
sctp_association_t *asoc = chunk->asoc;
struct sctp_association *asoc = chunk->asoc;
void *data_ptr = chunk->subh.data_hdr;
struct sctp_sndrcvinfo *sinfo = &chunk->sinfo;
__u16 chunk_data_len = sctp_data_size(chunk);
......@@ -724,7 +724,7 @@ int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
{
struct sctp_packet *packet;
struct sctp_packet singleton;
sctp_association_t *asoc = q->asoc;
struct sctp_association *asoc = q->asoc;
int ecn_capable = asoc->peer.ecn_capable;
__u16 sport = asoc->base.bind_addr.port;
__u16 dport = asoc->peer.port;
......@@ -1077,7 +1077,7 @@ int sctp_outq_set_output_handlers(struct sctp_outq *q,
}
/* Update unack_data based on the incoming SACK chunk */
static void sctp_sack_update_unack_data(sctp_association_t *assoc,
static void sctp_sack_update_unack_data(struct sctp_association *assoc,
sctp_sackhdr_t *sack)
{
sctp_sack_variable_t *frags;
......@@ -1097,7 +1097,7 @@ static void sctp_sack_update_unack_data(sctp_association_t *assoc,
/* Return the highest new tsn that is acknowledged by the given SACK chunk. */
static __u32 sctp_highest_new_tsn(sctp_sackhdr_t *sack,
sctp_association_t *asoc)
struct sctp_association *asoc)
{
struct list_head *ltransport, *lchunk;
struct sctp_transport *transport;
......@@ -1132,7 +1132,7 @@ static __u32 sctp_highest_new_tsn(sctp_sackhdr_t *sack,
*/
int sctp_outq_sack(struct sctp_outq *q, sctp_sackhdr_t *sack)
{
sctp_association_t *asoc = q->asoc;
struct sctp_association *asoc = q->asoc;
struct sctp_transport *transport;
sctp_chunk_t *tchunk;
struct list_head *lchunk, *transport_list, *pos;
......
net/sctp/primitive.c
View file @ 6a074a55
......@@ -55,12 +55,12 @@
#define DECLARE_PRIMITIVE(name) \
/* This is called in the code as sctp_primitive_ ## name. */ \
int sctp_primitive_ ## name(sctp_association_t *asoc, \
int sctp_primitive_ ## name(struct sctp_association *asoc, \
void *arg) { \
int error = 0; \
sctp_event_t event_type; sctp_subtype_t subtype; \
sctp_state_t state; \
sctp_endpoint_t *ep; \
struct sctp_endpoint *ep; \
\
event_type = SCTP_EVENT_T_PRIMITIVE; \
subtype = SCTP_ST_PRIMITIVE(SCTP_PRIMITIVE_ ## name); \
......
net/sctp/protocol.c
View file @ 6a074a55
......@@ -203,7 +203,7 @@ static void sctp_free_local_addr_list(struct sctp_protocol *proto)
/* Copy the local addresses which are valid for 'scope' into 'bp'. */
int sctp_copy_local_addr_list(struct sctp_protocol *proto,
struct sctp_bind_addr *bp, sctp_scope_t scope,
int priority, int copy_flags)
int gfp, int copy_flags)
{
struct sockaddr_storage_list *addr;
int error = 0;
......@@ -223,8 +223,8 @@ int sctp_copy_local_addr_list(struct sctp_protocol *proto,
(((AF_INET6 == addr->a.sa.sa_family) &&
(copy_flags & SCTP_ADDR6_ALLOWED) &&
(copy_flags & SCTP_ADDR6_PEERSUPP)))) {
error = sctp_add_bind_addr(bp, &addr->a,
priority);
error = sctp_add_bind_addr(bp, &addr->a,
GFP_ATOMIC);
if (error)
goto end_copy;
}
......@@ -267,11 +267,16 @@ static void sctp_v4_from_sk(union sctp_addr *addr, struct sock *sk)
}
/* Initialize sk->rcv_saddr from sctp_addr. */
static void sctp_v4_to_sk(union sctp_addr *addr, struct sock *sk)
static void sctp_v4_to_sk_saddr(union sctp_addr *addr, struct sock *sk)
{
inet_sk(sk)->rcv_saddr = addr->v4.sin_addr.s_addr;
}
/* Initialize sk->daddr from sctp_addr. */
static void sctp_v4_to_sk_daddr(union sctp_addr *addr, struct sock *sk)
{
inet_sk(sk)->daddr = addr->v4.sin_addr.s_addr;
}
/* Initialize a sctp_addr from a dst_entry. */
static void sctp_v4_dst_saddr(union sctp_addr *saddr, struct dst_entry *dst,
......@@ -471,21 +476,27 @@ struct dst_entry *sctp_v4_get_dst(struct sctp_association *asoc,
/* For v4, the source address is cached in the route entry(dst). So no need
* to cache it separately and hence this is an empty routine.
*/
void sctp_v4_get_saddr(sctp_association_t *asoc,
void sctp_v4_get_saddr(struct sctp_association *asoc,
struct dst_entry *dst,
union sctp_addr *daddr,
union sctp_addr *saddr)
{
struct rtable *rt = (struct rtable *)dst;
if (rt) {
saddr->v4.sin_family = AF_INET;
saddr->v4.sin_port = asoc->base.bind_addr.port;
saddr->v4.sin_addr.s_addr = rt->rt_src;
}
}
/* What interface did this skb arrive on? */
int sctp_v4_skb_iif(const struct sk_buff *skb)
int sctp_v4_skb_iif(const struct sk_buff *skb)
{
return ((struct rtable *)skb->dst)->rt_iif;
return ((struct rtable *)skb->dst)->rt_iif;
}
/* Create and initialize a new sk for the socket returned by accept(). */
/* Create and initialize a new sk for the socket returned by accept(). */
struct sock *sctp_v4_create_accept_sk(struct sock *sk,
struct sctp_association *asoc)
{
......@@ -505,22 +516,27 @@ struct sock *sctp_v4_create_accept_sk(struct sock *sk,
newsk->prot = sk->prot;
newsk->no_check = sk->no_check;
newsk->reuse = sk->reuse;
newsk->shutdown = sk->shutdown;
newsk->destruct = inet_sock_destruct;
newsk->zapped = 0;
newsk->family = PF_INET;
newsk->protocol = IPPROTO_SCTP;
newsk->backlog_rcv = sk->prot->backlog_rcv;
newinet = inet_sk(newsk);
/* Initialize sk's sport, dport, rcv_saddr and daddr for
* getsockname() and getpeername()
*/
newinet->sport = inet->sport;
newinet->saddr = inet->saddr;
newinet->rcv_saddr = inet->saddr;
newinet->dport = asoc->peer.port;
newinet->rcv_saddr = inet->rcv_saddr;
newinet->dport = htons(asoc->peer.port);
newinet->daddr = asoc->peer.primary_addr.v4.sin_addr.s_addr;
newinet->pmtudisc = inet->pmtudisc;
newinet->id = 0;
newinet->ttl = sysctl_ip_default_ttl;
newinet->mc_loop = 1;
newinet->mc_ttl = 1;
......@@ -567,7 +583,7 @@ int sctp_ctl_sock_init(void)
if (sctp_get_pf_specific(PF_INET6))
family = PF_INET6;
else
else
family = PF_INET;
err = sock_create(family, SOCK_SEQPACKET, IPPROTO_SCTP,
......@@ -694,7 +710,7 @@ static int sctp_inet_bind_verify(struct sctp_opt *opt, union sctp_addr *addr)
return sctp_v4_available(addr);
}
/* Verify that sockaddr looks sendable. Common verification has already
/* Verify that sockaddr looks sendable. Common verification has already
* been taken care of.
*/
static int sctp_inet_send_verify(struct sctp_opt *opt, union sctp_addr *addr)
......@@ -705,7 +721,7 @@ static int sctp_inet_send_verify(struct sctp_opt *opt, union sctp_addr *addr)
/* Fill in Supported Address Type information for INIT and INIT-ACK
* chunks. Returns number of addresses supported.
*/
static int sctp_inet_supported_addrs(const struct sctp_opt *opt,
static int sctp_inet_supported_addrs(const struct sctp_opt *opt,
__u16 *types)
{
types[0] = SCTP_PARAM_IPV4_ADDRESS;
......@@ -803,7 +819,8 @@ struct sctp_af sctp_ipv4_specific = {
.copy_addrlist = sctp_v4_copy_addrlist,
.from_skb = sctp_v4_from_skb,
.from_sk = sctp_v4_from_sk,
.to_sk = sctp_v4_to_sk,
.to_sk_saddr = sctp_v4_to_sk_saddr,
.to_sk_daddr = sctp_v4_to_sk_daddr,
.dst_saddr = sctp_v4_dst_saddr,
.cmp_addr = sctp_v4_cmp_addr,
.addr_valid = sctp_v4_addr_valid,
......
net/sctp/sm_make_chunk.c
View file @ 6a074a55
......@@ -59,6 +59,8 @@
#include <linux/ipv6.h>
#include <linux/net.h>
#include <linux/inet.h>
#include <asm/scatterlist.h>
#include <linux/crypto.h>
#include <net/sock.h>
#include <linux/skbuff.h>
......@@ -156,7 +158,7 @@ void sctp_init_cause(sctp_chunk_t *chunk, __u16 cause_code,
* Host Name Address (Note 3) Optional 11
* Supported Address Types (Note 4) Optional 12
*/
sctp_chunk_t *sctp_make_init(const sctp_association_t *asoc,
sctp_chunk_t *sctp_make_init(const struct sctp_association *asoc,
const sctp_bind_addr_t *bp,
int gfp, int vparam_len)
{
......@@ -175,12 +177,9 @@ sctp_chunk_t *sctp_make_init(const sctp_association_t *asoc,
* can be IPv4 and/or IPv6 in any combination.
*/
retval = NULL;
addrs.v = NULL;
/* Convert the provided bind address list to raw format */
/* Convert the provided bind address list to raw format. */
addrs = sctp_bind_addrs_to_raw(bp, &addrs_len, gfp);
if (!addrs.v)
goto nodata;
init.init_tag = htonl(asoc->c.my_vtag);
init.a_rwnd = htonl(asoc->rwnd);
......@@ -236,7 +235,7 @@ sctp_chunk_t *sctp_make_init(const sctp_association_t *asoc,
return retval;
}
sctp_chunk_t *sctp_make_init_ack(const sctp_association_t *asoc,
sctp_chunk_t *sctp_make_init_ack(const struct sctp_association *asoc,
const sctp_chunk_t *chunk,
int gfp, int unkparam_len)
{
......@@ -250,9 +249,8 @@ sctp_chunk_t *sctp_make_init_ack(const sctp_association_t *asoc,
retval = NULL;
/* Note: there may be no addresses to embed. */
addrs = sctp_bind_addrs_to_raw(&asoc->base.bind_addr, &addrs_len, gfp);
if (!addrs.v)
goto nomem_rawaddr;
initack.init_tag = htonl(asoc->c.my_vtag);
initack.a_rwnd = htonl(asoc->rwnd);
......@@ -294,7 +292,7 @@ sctp_chunk_t *sctp_make_init_ack(const sctp_association_t *asoc,
sctp_addto_chunk(retval, sizeof(ecap_param), &ecap_param);
/* We need to remove the const qualifier at this point. */
retval->asoc = (sctp_association_t *) asoc;
retval->asoc = (struct sctp_association *) asoc;
/* RFC 2960 6.4 Multi-homed SCTP Endpoints
*
......@@ -311,8 +309,8 @@ sctp_chunk_t *sctp_make_init_ack(const sctp_association_t *asoc,
nomem_chunk:
kfree(cookie);
nomem_cookie:
kfree(addrs.v);
nomem_rawaddr:
if (addrs.v)
kfree(addrs.v);
return retval;
}
......@@ -350,7 +348,7 @@ sctp_chunk_t *sctp_make_init_ack(const sctp_association_t *asoc,
* An implementation SHOULD make the cookie as small as possible
* to insure interoperability.
*/
sctp_chunk_t *sctp_make_cookie_echo(const sctp_association_t *asoc,
sctp_chunk_t *sctp_make_cookie_echo(const struct sctp_association *asoc,
const sctp_chunk_t *chunk)
{
sctp_chunk_t *retval;
......@@ -401,7 +399,7 @@ sctp_chunk_t *sctp_make_cookie_echo(const sctp_association_t *asoc,
*
* Set to zero on transmit and ignored on receipt.
*/
sctp_chunk_t *sctp_make_cookie_ack(const sctp_association_t *asoc,
sctp_chunk_t *sctp_make_cookie_ack(const struct sctp_association *asoc,
const sctp_chunk_t *chunk)
{
sctp_chunk_t *retval;
......@@ -446,7 +444,7 @@ sctp_chunk_t *sctp_make_cookie_ack(const sctp_association_t *asoc,
*
* Note: The CWR is considered a Control chunk.
*/
sctp_chunk_t *sctp_make_cwr(const sctp_association_t *asoc,
sctp_chunk_t *sctp_make_cwr(const struct sctp_association *asoc,
const __u32 lowest_tsn,
const sctp_chunk_t *chunk)
{
......@@ -481,7 +479,7 @@ sctp_chunk_t *sctp_make_cwr(const sctp_association_t *asoc,
}
/* Make an ECNE chunk. This is a congestion experienced report. */
sctp_chunk_t *sctp_make_ecne(const sctp_association_t *asoc,
sctp_chunk_t *sctp_make_ecne(const struct sctp_association *asoc,
const __u32 lowest_tsn)
{
sctp_chunk_t *retval;
......@@ -502,7 +500,7 @@ sctp_chunk_t *sctp_make_ecne(const sctp_association_t *asoc,
/* Make a DATA chunk for the given association from the provided
* parameters. However, do not populate the data payload.
*/
sctp_chunk_t *sctp_make_datafrag_empty(sctp_association_t *asoc,
sctp_chunk_t *sctp_make_datafrag_empty(struct sctp_association *asoc,
const struct sctp_sndrcvinfo *sinfo,
int data_len, __u8 flags, __u16 ssn)
{
......@@ -537,7 +535,7 @@ sctp_chunk_t *sctp_make_datafrag_empty(sctp_association_t *asoc,
/* Make a DATA chunk for the given association. Populate the data
* payload.
*/
sctp_chunk_t *sctp_make_datafrag(sctp_association_t *asoc,
sctp_chunk_t *sctp_make_datafrag(struct sctp_association *asoc,
const struct sctp_sndrcvinfo *sinfo,
int data_len, const __u8 *data,
__u8 flags, __u16 ssn)
......@@ -554,7 +552,7 @@ sctp_chunk_t *sctp_make_datafrag(sctp_association_t *asoc,
/* Make a DATA chunk for the given association to ride on stream id
* 'stream', with a payload id of 'payload', and a body of 'data'.
*/
sctp_chunk_t *sctp_make_data(sctp_association_t *asoc,
sctp_chunk_t *sctp_make_data(struct sctp_association *asoc,
const struct sctp_sndrcvinfo *sinfo,
int data_len, const __u8 *data)
{
......@@ -571,7 +569,7 @@ sctp_chunk_t *sctp_make_data(sctp_association_t *asoc,
* hold 'data_len' octets of data. We use this version when we need
* to build the message AFTER allocating memory.
*/
sctp_chunk_t *sctp_make_data_empty(sctp_association_t *asoc,
sctp_chunk_t *sctp_make_data_empty(struct sctp_association *asoc,
const struct sctp_sndrcvinfo *sinfo,
int data_len)
{
......@@ -584,7 +582,7 @@ sctp_chunk_t *sctp_make_data_empty(sctp_association_t *asoc,
* association. This reports on which TSN's we've seen to date,
* including duplicates and gaps.
*/
sctp_chunk_t *sctp_make_sack(const sctp_association_t *asoc)
sctp_chunk_t *sctp_make_sack(const struct sctp_association *asoc)
{
sctp_chunk_t *retval;
sctp_sackhdr_t sack;
......@@ -599,11 +597,13 @@ sctp_chunk_t *sctp_make_sack(const sctp_association_t *asoc)
SCTP_DEBUG_PRINTK("sackCTSNAck sent is 0x%x.\n", ctsn);
/* Count the number of Gap Ack Blocks. */
sctp_tsnmap_iter_init(map, &iter);
for (num_gabs = 0;
sctp_tsnmap_next_gap_ack(map, &iter, &gab.start, &gab.end);
num_gabs++) {
/* Do nothing. */
num_gabs = 0;
if (sctp_tsnmap_has_gap(map)) {
sctp_tsnmap_iter_init(map, &iter);
while (sctp_tsnmap_next_gap_ack(map, &iter,
&gab.start, &gab.end))
num_gabs++;
}
num_dup_tsns = sctp_tsnmap_num_dups(map);
......@@ -659,11 +659,15 @@ sctp_chunk_t *sctp_make_sack(const sctp_association_t *asoc)
sctp_addto_chunk(retval, sizeof(sack), &sack);
/* Put the Gap Ack Blocks into the chunk. */
sctp_tsnmap_iter_init(map, &iter);
while(sctp_tsnmap_next_gap_ack(map, &iter, &gab.start, &gab.end)) {
gab.start = htons(gab.start);
gab.end = htons(gab.end);
sctp_addto_chunk(retval, sizeof(sctp_gap_ack_block_t), &gab);
if (num_gabs) {
sctp_tsnmap_iter_init(map, &iter);
while(sctp_tsnmap_next_gap_ack(map, &iter,
&gab.start, &gab.end)) {
gab.start = htons(gab.start);
gab.end = htons(gab.end);
sctp_addto_chunk(retval, sizeof(sctp_gap_ack_block_t),
&gab);
}
}
/* Register the duplicates. */
......@@ -675,7 +679,7 @@ sctp_chunk_t *sctp_make_sack(const sctp_association_t *asoc)
}
/* Make a SHUTDOWN chunk. */
sctp_chunk_t *sctp_make_shutdown(const sctp_association_t *asoc)
sctp_chunk_t *sctp_make_shutdown(const struct sctp_association *asoc)
{
sctp_chunk_t *retval;
sctp_shutdownhdr_t shut;
......@@ -695,7 +699,7 @@ sctp_chunk_t *sctp_make_shutdown(const sctp_association_t *asoc)
return retval;
}
sctp_chunk_t *sctp_make_shutdown_ack(const sctp_association_t *asoc,
sctp_chunk_t *sctp_make_shutdown_ack(const struct sctp_association *asoc,
const sctp_chunk_t *chunk)
{
sctp_chunk_t *retval;
......@@ -717,7 +721,7 @@ sctp_chunk_t *sctp_make_shutdown_ack(const sctp_association_t *asoc,
return retval;
}
sctp_chunk_t *sctp_make_shutdown_complete(const sctp_association_t *asoc,
sctp_chunk_t *sctp_make_shutdown_complete(const struct sctp_association *asoc,
const sctp_chunk_t *chunk)
{
sctp_chunk_t *retval;
......@@ -747,7 +751,7 @@ sctp_chunk_t *sctp_make_shutdown_complete(const sctp_association_t *asoc,
/* Create an ABORT. Note that we set the T bit if we have no
* association.
*/
sctp_chunk_t *sctp_make_abort(const sctp_association_t *asoc,
sctp_chunk_t *sctp_make_abort(const struct sctp_association *asoc,
const sctp_chunk_t *chunk,
const size_t hint)
{
......@@ -775,7 +779,7 @@ sctp_chunk_t *sctp_make_abort(const sctp_association_t *asoc,
}
/* Helper to create ABORT with a NO_USER_DATA error. */
sctp_chunk_t *sctp_make_abort_no_data(const sctp_association_t *asoc,
sctp_chunk_t *sctp_make_abort_no_data(const struct sctp_association *asoc,
const sctp_chunk_t *chunk, __u32 tsn)
{
sctp_chunk_t *retval;
......@@ -809,7 +813,7 @@ sctp_chunk_t *sctp_make_abort_no_data(const sctp_association_t *asoc,
}
/* Helper to create ABORT with a SCTP_ERROR_USER_ABORT error. */
sctp_chunk_t *sctp_make_abort_user(const sctp_association_t *asoc,
sctp_chunk_t *sctp_make_abort_user(const struct sctp_association *asoc,
const sctp_chunk_t *chunk,
const struct msghdr *msg)
{
......@@ -832,7 +836,7 @@ sctp_chunk_t *sctp_make_abort_user(const sctp_association_t *asoc,
payoff = payload;
for (; iovlen > 0; --iovlen) {
if (copy_from_user(payoff, iov->iov_base, iov->iov_len))
if (copy_from_user(payoff, iov->iov_base,iov->iov_len))
goto err_copy;
payoff += iov->iov_len;
iov++;
......@@ -856,7 +860,7 @@ sctp_chunk_t *sctp_make_abort_user(const sctp_association_t *asoc,
}
/* Make a HEARTBEAT chunk. */
sctp_chunk_t *sctp_make_heartbeat(const sctp_association_t *asoc,
sctp_chunk_t *sctp_make_heartbeat(const struct sctp_association *asoc,
const struct sctp_transport *transport,
const void *payload, const size_t paylen)
{
......@@ -876,7 +880,7 @@ sctp_chunk_t *sctp_make_heartbeat(const sctp_association_t *asoc,
return retval;
}
sctp_chunk_t *sctp_make_heartbeat_ack(const sctp_association_t *asoc,
sctp_chunk_t *sctp_make_heartbeat_ack(const struct sctp_association *asoc,
const sctp_chunk_t *chunk,
const void *payload, const size_t paylen)
{
......@@ -906,7 +910,7 @@ sctp_chunk_t *sctp_make_heartbeat_ack(const sctp_association_t *asoc,
/* Create an Operation Error chunk with the specified space reserved.
* This routine can be used for containing multiple causes in the chunk.
*/
sctp_chunk_t *sctp_make_op_error_space(const sctp_association_t *asoc,
sctp_chunk_t *sctp_make_op_error_space(const struct sctp_association *asoc,
const sctp_chunk_t *chunk,
size_t size)
{
......@@ -933,7 +937,7 @@ sctp_chunk_t *sctp_make_op_error_space(const sctp_association_t *asoc,
}
/* Create an Operation Error chunk. */
sctp_chunk_t *sctp_make_op_error(const sctp_association_t *asoc,
sctp_chunk_t *sctp_make_op_error(const struct sctp_association *asoc,
const sctp_chunk_t *chunk,
__u16 cause_code, const void *payload,
size_t paylen)
......@@ -956,7 +960,8 @@ sctp_chunk_t *sctp_make_op_error(const sctp_association_t *asoc,
/* Turn an skb into a chunk.
* FIXME: Eventually move the structure directly inside the skb->cb[].
*/
sctp_chunk_t *sctp_chunkify(struct sk_buff *skb, const sctp_association_t *asoc,
sctp_chunk_t *sctp_chunkify(struct sk_buff *skb,
const struct sctp_association *asoc,
struct sock *sk)
{
sctp_chunk_t *retval = t_new(sctp_chunk_t, GFP_ATOMIC);
......@@ -970,7 +975,7 @@ sctp_chunk_t *sctp_chunkify(struct sk_buff *skb, const sctp_association_t *asoc,
}
retval->skb = skb;
retval->asoc = (sctp_association_t *) asoc;
retval->asoc = (struct sctp_association *)asoc;
retval->num_times_sent = 0;
retval->has_tsn = 0;
retval->has_ssn = 0;
......@@ -1023,7 +1028,7 @@ const union sctp_addr *sctp_source(const sctp_chunk_t *chunk)
/* Create a new chunk, setting the type and flags headers from the
* arguments, reserving enough space for a 'paylen' byte payload.
*/
sctp_chunk_t *sctp_make_chunk(const sctp_association_t *asoc,
sctp_chunk_t *sctp_make_chunk(const struct sctp_association *asoc,
__u8 type, __u8 flags, int paylen)
{
sctp_chunk_t *retval;
......@@ -1032,7 +1037,7 @@ sctp_chunk_t *sctp_make_chunk(const sctp_association_t *asoc,
struct sock *sk;
/* No need to allocate LL here, as this is only a chunk. */
skb = alloc_skb(WORD_ROUND(sizeof(sctp_chunkhdr_t) + paylen),
skb = alloc_skb(WORD_ROUND(sizeof(sctp_chunkhdr_t) + paylen),
GFP_ATOMIC);
if (!skb)
goto nodata;
......@@ -1046,7 +1051,7 @@ sctp_chunk_t *sctp_make_chunk(const sctp_association_t *asoc,
sk = asoc ? asoc->base.sk : NULL;
retval = sctp_chunkify(skb, asoc, sk);
if (!retval) {
dev_kfree_skb(skb);
kfree_skb(skb);
goto nodata;
}
......@@ -1135,7 +1140,7 @@ static int sctp_user_addto_chunk(sctp_chunk_t *chunk, int off, int len,
*/
int sctp_datachunks_from_user(sctp_association_t *asoc,
int sctp_datachunks_from_user(struct sctp_association *asoc,
const struct sctp_sndrcvinfo *sinfo,
struct msghdr *msg, int msg_len,
struct sk_buff_head *chunks)
......@@ -1291,10 +1296,10 @@ void sctp_chunk_assign_tsn(sctp_chunk_t *chunk)
}
/* Create a CLOSED association to use with an incoming packet. */
sctp_association_t *sctp_make_temp_asoc(const struct sctp_endpoint *ep,
struct sctp_association *sctp_make_temp_asoc(const struct sctp_endpoint *ep,
struct sctp_chunk *chunk, int gfp)
{
sctp_association_t *asoc;
struct sctp_association *asoc;
struct sk_buff *skb;
sctp_scope_t scope;
......@@ -1303,6 +1308,7 @@ sctp_association_t *sctp_make_temp_asoc(const struct sctp_endpoint *ep,
asoc = sctp_association_new(ep, ep->base.sk, scope, gfp);
if (!asoc)
goto nodata;
asoc->temp = 1;
skb = chunk->skb;
/* Create an entry for the source address of the packet. */
/* FIXME: Use the af specific helpers. */
......@@ -1339,15 +1345,18 @@ sctp_association_t *sctp_make_temp_asoc(const struct sctp_endpoint *ep,
/* Build a cookie representing asoc.
* This INCLUDES the param header needed to put the cookie in the INIT ACK.
*/
sctp_cookie_param_t *sctp_pack_cookie(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_cookie_param_t *sctp_pack_cookie(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_chunk_t *init_chunk,
int *cookie_len,
const __u8 *raw_addrs, int addrs_len)
{
sctp_cookie_param_t *retval;
sctp_signed_cookie_t *cookie;
struct scatterlist sg;
int headersize, bodysize;
unsigned int keylen;
char *key;
headersize = sizeof(sctp_paramhdr_t) + SCTP_SECRET_SIZE;
bodysize = sizeof(sctp_cookie_t)
......@@ -1361,8 +1370,8 @@ sctp_cookie_param_t *sctp_pack_cookie(const sctp_endpoint_t *ep,
- (bodysize % SCTP_COOKIE_MULTIPLE);
*cookie_len = headersize + bodysize;
retval = (sctp_cookie_param_t *)
kmalloc(*cookie_len, GFP_ATOMIC);
retval = (sctp_cookie_param_t *)kmalloc(*cookie_len, GFP_ATOMIC);
if (!retval) {
*cookie_len = 0;
goto nodata;
......@@ -1392,31 +1401,40 @@ sctp_cookie_param_t *sctp_pack_cookie(const sctp_endpoint_t *ep,
ntohs(init_chunk->chunk_hdr->length));
/* Copy the raw local address list of the association. */
memcpy((__u8 *)&cookie->c.peer_init[0] +
ntohs(init_chunk->chunk_hdr->length), raw_addrs,
addrs_len);
/* Sign the message. */
sctp_hash_digest(ep->secret_key[ep->current_key], SCTP_SECRET_SIZE,
(__u8 *) &cookie->c, bodysize, cookie->signature);
memcpy((__u8 *)&cookie->c.peer_init[0] +
ntohs(init_chunk->chunk_hdr->length), raw_addrs, addrs_len);
if (sctp_sk(ep->base.sk)->hmac) {
/* Sign the message. */
sg.page = virt_to_page(&cookie->c);
sg.offset = (unsigned long)(&cookie->c) % PAGE_SIZE;
sg.length = bodysize;
keylen = SCTP_SECRET_SIZE;
key = (char *)ep->secret_key[ep->current_key];
sctp_crypto_hmac(sctp_sk(ep->base.sk)->hmac, key, &keylen,
&sg, 1, cookie->signature);
}
nodata:
return retval;
}
/* Unpack the cookie from COOKIE ECHO chunk, recreating the association. */
sctp_association_t *sctp_unpack_cookie(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_chunk_t *chunk, int gfp,
int *error, sctp_chunk_t **err_chk_p)
struct sctp_association *sctp_unpack_cookie(
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
sctp_chunk_t *chunk, int gfp,
int *error, sctp_chunk_t **errp)
{
sctp_association_t *retval = NULL;
struct sctp_association *retval = NULL;
sctp_signed_cookie_t *cookie;
sctp_cookie_t *bear_cookie;
int headersize, bodysize;
int fixed_size;
__u8 digest_buf[SCTP_SIGNATURE_SIZE];
int secret;
int headersize, bodysize, fixed_size;
__u8 digest[SCTP_SIGNATURE_SIZE];
struct scatterlist sg;
unsigned int keylen;
char *key;
sctp_scope_t scope;
struct sk_buff *skb = chunk->skb;
......@@ -1440,23 +1458,35 @@ sctp_association_t *sctp_unpack_cookie(const sctp_endpoint_t *ep,
cookie = chunk->subh.cookie_hdr;
bear_cookie = &cookie->c;
if (!sctp_sk(ep->base.sk)->hmac)
goto no_hmac;
/* Check the signature. */
secret = ep->current_key;
sctp_hash_digest(ep->secret_key[secret], SCTP_SECRET_SIZE,
(__u8 *) bear_cookie, bodysize,
digest_buf);
if (memcmp(digest_buf, cookie->signature, SCTP_SIGNATURE_SIZE)) {
/* Try the previous key. */
secret = ep->last_key;
sctp_hash_digest(ep->secret_key[secret], SCTP_SECRET_SIZE,
(__u8 *) bear_cookie, bodysize, digest_buf);
if (memcmp(digest_buf, cookie->signature, SCTP_SIGNATURE_SIZE)) {
keylen = SCTP_SECRET_SIZE;
sg.page = virt_to_page(bear_cookie);
sg.offset = (unsigned long)(bear_cookie) % PAGE_SIZE;
sg.length = bodysize;
key = (char *)ep->secret_key[ep->current_key];
memset(digest, 0x00, sizeof(digest));
sctp_crypto_hmac(sctp_sk(ep->base.sk)->hmac, key, &keylen, &sg,
1, digest);
if (memcmp(digest, cookie->signature, SCTP_SIGNATURE_SIZE)) {
/* Try the previous key. */
key = (char *)ep->secret_key[ep->last_key];
memset(digest, 0x00, sizeof(digest));
sctp_crypto_hmac(sctp_sk(ep->base.sk)->hmac, key, &keylen,
&sg, 1, digest);
if (memcmp(digest, cookie->signature, SCTP_SIGNATURE_SIZE)) {
/* Yikes! Still bad signature! */
*error = -SCTP_IERROR_BAD_SIG;
goto fail;
}
}
no_hmac:
/* Check to see if the cookie is stale. If there is already
* an association, there is no need to check cookie's expiration
* for init collision case of lost COOKIE ACK.
......@@ -1472,15 +1502,15 @@ sctp_association_t *sctp_unpack_cookie(const sctp_endpoint_t *ep,
* Cookie that has expired.
*/
len = ntohs(chunk->chunk_hdr->length);
*err_chk_p = sctp_make_op_error_space(asoc, chunk, len);
if (*err_chk_p) {
*errp = sctp_make_op_error_space(asoc, chunk, len);
if (*errp) {
suseconds_t usecs = (skb->stamp.tv_sec -
bear_cookie->expiration.tv_sec) * 1000000L +
skb->stamp.tv_usec -
bear_cookie->expiration.tv_usec;
usecs = htonl(usecs);
sctp_init_cause(*err_chk_p, SCTP_ERROR_STALE_COOKIE,
sctp_init_cause(*errp, SCTP_ERROR_STALE_COOKIE,
&usecs, sizeof(usecs));
*error = -SCTP_IERROR_STALE_COOKIE;
} else
......@@ -1509,6 +1539,12 @@ sctp_association_t *sctp_unpack_cookie(const sctp_endpoint_t *ep,
goto fail;
}
/* Also, add the destination address. */
if (list_empty(&retval->base.bind_addr.address_list)) {
sctp_add_bind_addr(&retval->base.bind_addr, &chunk->dest,
GFP_ATOMIC);
}
retval->next_tsn = retval->c.initial_tsn;
retval->ctsn_ack_point = retval->next_tsn - 1;
......@@ -1541,10 +1577,10 @@ struct __sctp_missing {
/*
* Report a missing mandatory parameter.
*/
static int sctp_process_missing_param(const sctp_association_t *asoc,
static int sctp_process_missing_param(const struct sctp_association *asoc,
sctp_param_t paramtype,
sctp_chunk_t *chunk,
sctp_chunk_t **err_chk_p)
sctp_chunk_t **errp)
{
struct __sctp_missing report;
__u16 len;
......@@ -1554,13 +1590,13 @@ static int sctp_process_missing_param(const sctp_association_t *asoc,
/* Make an ERROR chunk, preparing enough room for
* returning multiple unknown parameters.
*/
if (!*err_chk_p)
*err_chk_p = sctp_make_op_error_space(asoc, chunk, len);
if (!*errp)
*errp = sctp_make_op_error_space(asoc, chunk, len);
if (*err_chk_p) {
if (*errp) {
report.num_missing = htonl(1);
report.type = paramtype;
sctp_init_cause(*err_chk_p, SCTP_ERROR_INV_PARAM,
sctp_init_cause(*errp, SCTP_ERROR_INV_PARAM,
&report, sizeof(report));
}
......@@ -1569,17 +1605,17 @@ static int sctp_process_missing_param(const sctp_association_t *asoc,
}
/* Report an Invalid Mandatory Parameter. */
static int sctp_process_inv_mandatory(const sctp_association_t *asoc,
static int sctp_process_inv_mandatory(const struct sctp_association *asoc,
sctp_chunk_t *chunk,
sctp_chunk_t **err_chk_p)
sctp_chunk_t **errp)
{
/* Invalid Mandatory Parameter Error has no payload. */
if (!*err_chk_p)
*err_chk_p = sctp_make_op_error_space(asoc, chunk, 0);
if (!*errp)
*errp = sctp_make_op_error_space(asoc, chunk, 0);
if (*err_chk_p)
sctp_init_cause(*err_chk_p, SCTP_ERROR_INV_PARAM, NULL, 0);
if (*errp)
sctp_init_cause(*errp, SCTP_ERROR_INV_PARAM, NULL, 0);
/* Stop processing this chunk. */
return 0;
......@@ -1588,19 +1624,19 @@ static int sctp_process_inv_mandatory(const sctp_association_t *asoc,
/* Do not attempt to handle the HOST_NAME parm. However, do
* send back an indicator to the peer.
*/
static int sctp_process_hn_param(const sctp_association_t *asoc,
static int sctp_process_hn_param(const struct sctp_association *asoc,
union sctp_params param,
sctp_chunk_t *chunk,
sctp_chunk_t **err_chk_p)
sctp_chunk_t **errp)
{
__u16 len = ntohs(param.p->length);
/* Make an ERROR chunk. */
if (!*err_chk_p)
*err_chk_p = sctp_make_op_error_space(asoc, chunk, len);
if (!*errp)
*errp = sctp_make_op_error_space(asoc, chunk, len);
if (*err_chk_p)
sctp_init_cause(*err_chk_p, SCTP_ERROR_DNS_FAILED,
if (*errp)
sctp_init_cause(*errp, SCTP_ERROR_DNS_FAILED,
param.v, len);
/* Stop processing this chunk. */
......@@ -1633,10 +1669,10 @@ static int sctp_process_hn_param(const sctp_association_t *asoc,
* 0 - discard the chunk
* 1 - continue with the chunk
*/
static int sctp_process_unk_param(const sctp_association_t *asoc,
static int sctp_process_unk_param(const struct sctp_association *asoc,
union sctp_params param,
sctp_chunk_t *chunk,
sctp_chunk_t **err_chk_p)
sctp_chunk_t **errp)
{
int retval = 1;
......@@ -1649,12 +1685,12 @@ static int sctp_process_unk_param(const sctp_association_t *asoc,
/* Make an ERROR chunk, preparing enough room for
* returning multiple unknown parameters.
*/
if (NULL == *err_chk_p)
*err_chk_p = sctp_make_op_error_space(asoc, chunk,
if (NULL == *errp)
*errp = sctp_make_op_error_space(asoc, chunk,
ntohs(chunk->chunk_hdr->length));
if (*err_chk_p)
sctp_init_cause(*err_chk_p, SCTP_ERROR_UNKNOWN_PARAM,
if (*errp)
sctp_init_cause(*errp, SCTP_ERROR_UNKNOWN_PARAM,
param.v,
WORD_ROUND(ntohs(param.p->length)));
......@@ -1665,12 +1701,12 @@ static int sctp_process_unk_param(const sctp_association_t *asoc,
/* Make an ERROR chunk, preparing enough room for
* returning multiple unknown parameters.
*/
if (NULL == *err_chk_p)
*err_chk_p = sctp_make_op_error_space(asoc, chunk,
if (NULL == *errp)
*errp = sctp_make_op_error_space(asoc, chunk,
ntohs(chunk->chunk_hdr->length));
if (*err_chk_p) {
sctp_init_cause(*err_chk_p, SCTP_ERROR_UNKNOWN_PARAM,
if (*errp) {
sctp_init_cause(*errp, SCTP_ERROR_UNKNOWN_PARAM,
param.v,
WORD_ROUND(ntohs(param.p->length)));
} else {
......@@ -1695,7 +1731,7 @@ static int sctp_process_unk_param(const sctp_association_t *asoc,
* 0 - discard the chunk
* 1 - continue with the chunk
*/
static int sctp_verify_param(const sctp_association_t *asoc,
static int sctp_verify_param(const struct sctp_association *asoc,
union sctp_params param,
sctp_cid_t cid,
sctp_chunk_t *chunk,
......@@ -1733,11 +1769,11 @@ static int sctp_verify_param(const sctp_association_t *asoc,
}
/* Verify the INIT packet before we process it. */
int sctp_verify_init(const sctp_association_t *asoc,
int sctp_verify_init(const struct sctp_association *asoc,
sctp_cid_t cid,
sctp_init_chunk_t *peer_init,
sctp_chunk_t *chunk,
sctp_chunk_t **err_chk_p)
sctp_chunk_t **errp)
{
union sctp_params param;
int has_cookie = 0;
......@@ -1746,7 +1782,7 @@ int sctp_verify_init(const sctp_association_t *asoc,
if ((0 == peer_init->init_hdr.num_outbound_streams) ||
(0 == peer_init->init_hdr.num_inbound_streams)) {
sctp_process_inv_mandatory(asoc, chunk, err_chk_p);
sctp_process_inv_mandatory(asoc, chunk, errp);
return 0;
}
......@@ -1762,9 +1798,8 @@ int sctp_verify_init(const sctp_association_t *asoc,
* the state cookie for an INIT-ACK chunk.
*/
if ((SCTP_CID_INIT_ACK == cid) && !has_cookie) {
sctp_process_missing_param(asoc, SCTP_PARAM_STATE_COOKIE,
chunk, err_chk_p);
chunk, errp);
return 0;
}
......@@ -1772,7 +1807,7 @@ int sctp_verify_init(const sctp_association_t *asoc,
sctp_walk_params(param, peer_init, init_hdr.params) {
if (!sctp_verify_param(asoc, param, cid, chunk, err_chk_p))
if (!sctp_verify_param(asoc, param, cid, chunk, errp))
return 0;
} /* for (loop through all parameters) */
......@@ -1784,7 +1819,7 @@ int sctp_verify_init(const sctp_association_t *asoc,
* Returns 0 on failure, else success.
* FIXME: This is an association method.
*/
int sctp_process_init(sctp_association_t *asoc, sctp_cid_t cid,
int sctp_process_init(struct sctp_association *asoc, sctp_cid_t cid,
const union sctp_addr *peer_addr,
sctp_init_chunk_t *peer_init, int gfp)
{
......@@ -1923,7 +1958,7 @@ int sctp_process_init(sctp_association_t *asoc, sctp_cid_t cid,
* work we do. In particular, we should not build transport
* structures for the addresses.
*/
int sctp_process_param(sctp_association_t *asoc, union sctp_params param,
int sctp_process_param(struct sctp_association *asoc, union sctp_params param,
const union sctp_addr *peer_addr, int gfp)
{
union sctp_addr addr;
......@@ -2032,7 +2067,7 @@ int sctp_process_param(sctp_association_t *asoc, union sctp_params param,
}
/* Select a new verification tag. */
__u32 sctp_generate_tag(const sctp_endpoint_t *ep)
__u32 sctp_generate_tag(const struct sctp_endpoint *ep)
{
/* I believe that this random number generator complies with RFC1750.
* A tag of 0 is reserved for special cases (e.g. INIT).
......@@ -2047,7 +2082,7 @@ __u32 sctp_generate_tag(const sctp_endpoint_t *ep)
}
/* Select an initial TSN to send during startup. */
__u32 sctp_generate_tsn(const sctp_endpoint_t *ep)
__u32 sctp_generate_tsn(const struct sctp_endpoint *ep)
{
__u32 retval;
......
net/sctp/sm_sideeffect.c
View file @ 6a074a55
......@@ -60,7 +60,8 @@
********************************************************************/
/* A helper function for delayed processing of INET ECN CE bit. */
static void sctp_do_ecn_ce_work(sctp_association_t *asoc, __u32 lowest_tsn)
static void sctp_do_ecn_ce_work(struct sctp_association *asoc,
__u32 lowest_tsn)
{
/* Save the TSN away for comparison when we receive CWR */
......@@ -80,7 +81,7 @@ static void sctp_do_ecn_ce_work(sctp_association_t *asoc, __u32 lowest_tsn)
* This element represents the lowest TSN number in the datagram
* that was originally marked with the CE bit.
*/
static sctp_chunk_t *sctp_do_ecn_ecne_work(sctp_association_t *asoc,
static sctp_chunk_t *sctp_do_ecn_ecne_work(struct sctp_association *asoc,
__u32 lowest_tsn,
sctp_chunk_t *chunk)
{
......@@ -123,7 +124,7 @@ static sctp_chunk_t *sctp_do_ecn_ecne_work(sctp_association_t *asoc,
}
/* Helper function to do delayed processing of ECN CWR chunk. */
static void sctp_do_ecn_cwr_work(sctp_association_t *asoc,
static void sctp_do_ecn_cwr_work(struct sctp_association *asoc,
__u32 lowest_tsn)
{
/* Turn off ECNE getting auto-prepended to every outgoing
......@@ -200,7 +201,7 @@ void sctp_generate_t3_rtx_event(unsigned long peer)
{
int error;
struct sctp_transport *transport = (struct sctp_transport *) peer;
sctp_association_t *asoc = transport->asoc;
struct sctp_association *asoc = transport->asoc;
/* Check whether a task is in the sock. */
......@@ -238,7 +239,7 @@ void sctp_generate_t3_rtx_event(unsigned long peer)
/* This is a sa interface for producing timeout events. It works
* for timeouts which use the association as their parameter.
*/
static void sctp_generate_timeout_event(sctp_association_t *asoc,
static void sctp_generate_timeout_event(struct sctp_association *asoc,
sctp_event_timeout_t timeout_type)
{
int error = 0;
......@@ -265,8 +266,7 @@ static void sctp_generate_timeout_event(sctp_association_t *asoc,
error = sctp_do_sm(SCTP_EVENT_T_TIMEOUT,
SCTP_ST_TIMEOUT(timeout_type),
asoc->state, asoc->ep, asoc,
(void *)timeout_type,
GFP_ATOMIC);
(void *)timeout_type, GFP_ATOMIC);
if (error)
asoc->base.sk->err = -error;
......@@ -278,25 +278,25 @@ static void sctp_generate_timeout_event(sctp_association_t *asoc,
void sctp_generate_t1_cookie_event(unsigned long data)
{
sctp_association_t *asoc = (sctp_association_t *) data;
struct sctp_association *asoc = (struct sctp_association *) data;
sctp_generate_timeout_event(asoc, SCTP_EVENT_TIMEOUT_T1_COOKIE);
}
void sctp_generate_t1_init_event(unsigned long data)
{
sctp_association_t *asoc = (sctp_association_t *) data;
struct sctp_association *asoc = (struct sctp_association *) data;
sctp_generate_timeout_event(asoc, SCTP_EVENT_TIMEOUT_T1_INIT);
}
void sctp_generate_t2_shutdown_event(unsigned long data)
{
sctp_association_t *asoc = (sctp_association_t *) data;
struct sctp_association *asoc = (struct sctp_association *) data;
sctp_generate_timeout_event(asoc, SCTP_EVENT_TIMEOUT_T2_SHUTDOWN);
}
void sctp_generate_t5_shutdown_guard_event(unsigned long data)
{
sctp_association_t *asoc = (sctp_association_t *)data;
struct sctp_association *asoc = (struct sctp_association *)data;
sctp_generate_timeout_event(asoc,
SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD);
......@@ -304,7 +304,7 @@ void sctp_generate_t5_shutdown_guard_event(unsigned long data)
void sctp_generate_autoclose_event(unsigned long data)
{
sctp_association_t *asoc = (sctp_association_t *) data;
struct sctp_association *asoc = (struct sctp_association *) data;
sctp_generate_timeout_event(asoc, SCTP_EVENT_TIMEOUT_AUTOCLOSE);
}
......@@ -315,7 +315,7 @@ void sctp_generate_heartbeat_event(unsigned long data)
{
int error = 0;
struct sctp_transport *transport = (struct sctp_transport *) data;
sctp_association_t *asoc = transport->asoc;
struct sctp_association *asoc = transport->asoc;
sctp_bh_lock_sock(asoc->base.sk);
if (sock_owned_by_user(asoc->base.sk)) {
......@@ -335,8 +335,7 @@ void sctp_generate_heartbeat_event(unsigned long data)
error = sctp_do_sm(SCTP_EVENT_T_TIMEOUT,
SCTP_ST_TIMEOUT(SCTP_EVENT_TIMEOUT_HEARTBEAT),
asoc->state,
asoc->ep, asoc,
asoc->state, asoc->ep, asoc,
transport, GFP_ATOMIC);
if (error)
......@@ -350,7 +349,7 @@ void sctp_generate_heartbeat_event(unsigned long data)
/* Inject a SACK Timeout event into the state machine. */
void sctp_generate_sack_event(unsigned long data)
{
sctp_association_t *asoc = (sctp_association_t *) data;
struct sctp_association *asoc = (struct sctp_association *) data;
sctp_generate_timeout_event(asoc, SCTP_EVENT_TIMEOUT_SACK);
}
......@@ -382,7 +381,7 @@ sctp_timer_event_t *sctp_timer_events[SCTP_NUM_TIMEOUT_TYPES] = {
* notification SHOULD be sent to the upper layer.
*
*/
static void sctp_do_8_2_transport_strike(sctp_association_t *asoc,
static void sctp_do_8_2_transport_strike(struct sctp_association *asoc,
struct sctp_transport *transport)
{
/* The check for association's overall error counter exceeding the
......@@ -410,7 +409,7 @@ static void sctp_do_8_2_transport_strike(sctp_association_t *asoc,
/* Worker routine to handle INIT command failure. */
static void sctp_cmd_init_failed(sctp_cmd_seq_t *commands,
sctp_association_t *asoc,
struct sctp_association *asoc,
unsigned error)
{
struct sctp_ulpevent *event;
......@@ -483,7 +482,7 @@ static int sctp_cmd_process_init(sctp_cmd_seq_t *commands,
/* Helper function to break out starting up of heartbeat timers. */
static void sctp_cmd_hb_timers_start(sctp_cmd_seq_t *cmds,
sctp_association_t *asoc)
struct sctp_association *asoc)
{
struct sctp_transport *t;
struct list_head *pos;
......@@ -501,7 +500,7 @@ static void sctp_cmd_hb_timers_start(sctp_cmd_seq_t *cmds,
}
static void sctp_cmd_hb_timers_stop(sctp_cmd_seq_t *cmds,
sctp_association_t *asoc)
struct sctp_association *asoc)
{
struct sctp_transport *t;
struct list_head *pos;
......@@ -517,7 +516,7 @@ static void sctp_cmd_hb_timers_stop(sctp_cmd_seq_t *cmds,
/* Helper function to update the heartbeat timer. */
static void sctp_cmd_hb_timer_update(sctp_cmd_seq_t *cmds,
sctp_association_t *asoc,
struct sctp_association *asoc,
struct sctp_transport *t)
{
/* Update the heartbeat timer. */
......@@ -527,7 +526,7 @@ static void sctp_cmd_hb_timer_update(sctp_cmd_seq_t *cmds,
/* Helper function to handle the reception of an HEARTBEAT ACK. */
static void sctp_cmd_transport_on(sctp_cmd_seq_t *cmds,
sctp_association_t *asoc,
struct sctp_association *asoc,
struct sctp_transport *t,
sctp_chunk_t *chunk)
{
......@@ -560,7 +559,7 @@ static void sctp_cmd_transport_on(sctp_cmd_seq_t *cmds,
* timer.
*/
static void sctp_cmd_transport_reset(sctp_cmd_seq_t *cmds,
sctp_association_t *asoc,
struct sctp_association *asoc,
struct sctp_transport *t)
{
sctp_transport_lower_cwnd(t, SCTP_LOWER_CWND_INACTIVE);
......@@ -571,7 +570,7 @@ static void sctp_cmd_transport_reset(sctp_cmd_seq_t *cmds,
/* Helper function to process the process SACK command. */
static int sctp_cmd_process_sack(sctp_cmd_seq_t *cmds,
sctp_association_t *asoc,
struct sctp_association *asoc,
sctp_sackhdr_t *sackh)
{
int err;
......@@ -595,7 +594,8 @@ static int sctp_cmd_process_sack(sctp_cmd_seq_t *cmds,
/* Helper function to set the timeout value for T2-SHUTDOWN timer and to set
* the transport for a shutdown chunk.
*/
static void sctp_cmd_setup_t2(sctp_cmd_seq_t *cmds, sctp_association_t *asoc,
static void sctp_cmd_setup_t2(sctp_cmd_seq_t *cmds,
struct sctp_association *asoc,
sctp_chunk_t *chunk)
{
struct sctp_transport *t;
......@@ -607,7 +607,7 @@ static void sctp_cmd_setup_t2(sctp_cmd_seq_t *cmds, sctp_association_t *asoc,
}
/* Helper function to change the state of an association. */
static void sctp_cmd_new_state(sctp_cmd_seq_t *cmds, sctp_association_t *asoc,
static void sctp_cmd_new_state(sctp_cmd_seq_t *cmds, struct sctp_association *asoc,
sctp_state_t state)
{
......@@ -617,8 +617,23 @@ static void sctp_cmd_new_state(sctp_cmd_seq_t *cmds, sctp_association_t *asoc,
asoc->state = state;
asoc->state_timestamp = jiffies;
if (SCTP_SOCKET_TCP == sp->type) {
/* Change the sk->state of a TCP-style socket that has
* sucessfully completed a connect() call.
*/
if ((SCTP_STATE_ESTABLISHED == asoc->state) &&
(SCTP_SS_CLOSED == sk->state))
sk->state = SCTP_SS_ESTABLISHED;
/* Set the RCV_SHUTDOWN flag when a SHUTDOWN is received. */
if (SCTP_STATE_SHUTDOWN_RECEIVED == asoc->state)
sk->shutdown |= RCV_SHUTDOWN;
}
if ((SCTP_STATE_ESTABLISHED == asoc->state) ||
(SCTP_STATE_CLOSED == asoc->state)) {
(SCTP_STATE_CLOSED == asoc->state) ||
(SCTP_STATE_SHUTDOWN_RECEIVED == asoc->state)) {
/* Wake up any processes waiting in the asoc's wait queue in
* sctp_wait_for_connect() or sctp_wait_for_sndbuf().
*/
......@@ -634,13 +649,24 @@ static void sctp_cmd_new_state(sctp_cmd_seq_t *cmds, sctp_association_t *asoc,
if (SCTP_SOCKET_UDP != sp->type)
sk->state_change(sk);
}
}
/* Change the sk->state of a TCP-style socket that has sucessfully
* completed a connect() call.
*/
if ((SCTP_STATE_ESTABLISHED == asoc->state) &&
(SCTP_SOCKET_TCP == sp->type) && (SCTP_SS_CLOSED == sk->state))
sk->state = SCTP_SS_ESTABLISHED;
/* Helper function to delete an association. */
static void sctp_cmd_delete_tcb(sctp_cmd_seq_t *cmds,
struct sctp_association *asoc)
{
struct sock *sk = asoc->base.sk;
/* If it is a non-temporary association belonging to a TCP-style
* listening socket, do not free it so that accept() can pick it
* up later.
*/
if ((SCTP_SOCKET_TCP == sctp_sk(sk)->type) &&
(SCTP_SS_LISTENING == sk->state) && (!asoc->temp))
return;
sctp_unhash_established(asoc);
sctp_association_free(asoc);
}
/* These three macros allow us to pull the debugging code out of the
......@@ -673,10 +699,10 @@ static void sctp_cmd_new_state(sctp_cmd_seq_t *cmds, sctp_association_t *asoc,
*/
int sctp_do_sm(sctp_event_t event_type, sctp_subtype_t subtype,
sctp_state_t state,
sctp_endpoint_t *ep,
sctp_association_t *asoc,
struct sctp_endpoint *ep,
struct sctp_association *asoc,
void *event_arg,
int priority)
int gfp)
{
sctp_cmd_seq_t commands;
sctp_sm_table_entry_t *state_fn;
......@@ -701,9 +727,8 @@ int sctp_do_sm(sctp_event_t event_type, sctp_subtype_t subtype,
DEBUG_POST;
error = sctp_side_effects(event_type, subtype, state,
ep, asoc, event_arg,
status, &commands,
priority);
ep, asoc, event_arg, status,
&commands, gfp);
DEBUG_POST_SFX;
return error;
......@@ -717,12 +742,12 @@ int sctp_do_sm(sctp_event_t event_type, sctp_subtype_t subtype,
*****************************************************************/
int sctp_side_effects(sctp_event_t event_type, sctp_subtype_t subtype,
sctp_state_t state,
sctp_endpoint_t *ep,
sctp_association_t *asoc,
struct sctp_endpoint *ep,
struct sctp_association *asoc,
void *event_arg,
sctp_disposition_t status,
sctp_cmd_seq_t *commands,
int priority)
int gfp)
{
int error;
......@@ -735,7 +760,7 @@ int sctp_side_effects(sctp_event_t event_type, sctp_subtype_t subtype,
if (0 != (error = sctp_cmd_interpreter(event_type, subtype, state,
ep, asoc,
event_arg, status,
commands, priority)))
commands, gfp)))
goto bail;
switch (status) {
......@@ -803,10 +828,10 @@ int sctp_side_effects(sctp_event_t event_type, sctp_subtype_t subtype,
/* This is the side-effect interpreter. */
int sctp_cmd_interpreter(sctp_event_t event_type, sctp_subtype_t subtype,
sctp_state_t state, sctp_endpoint_t *ep,
sctp_association_t *asoc, void *event_arg,
sctp_state_t state, struct sctp_endpoint *ep,
struct sctp_association *asoc, void *event_arg,
sctp_disposition_t status, sctp_cmd_seq_t *commands,
int priority)
int gfp)
{
int error = 0;
int force;
......@@ -854,8 +879,7 @@ int sctp_cmd_interpreter(sctp_event_t event_type, sctp_subtype_t subtype,
case SCTP_CMD_DELETE_TCB:
/* Delete the current association. */
sctp_unhash_established(asoc);
sctp_association_free(asoc);
sctp_cmd_delete_tcb(commands, asoc);
asoc = NULL;
break;
......@@ -903,7 +927,7 @@ int sctp_cmd_interpreter(sctp_event_t event_type, sctp_subtype_t subtype,
* layer which will bail.
*/
error = sctp_cmd_process_init(commands, asoc, chunk,
cmd->obj.ptr, priority);
cmd->obj.ptr, gfp);
break;
case SCTP_CMD_GEN_COOKIE_ECHO:
......
net/sctp/sm_statefuns.c
View file @ 6a074a55
......@@ -95,8 +95,8 @@
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t sctp_sf_do_4_C(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_do_4_C(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -179,15 +179,15 @@ sctp_disposition_t sctp_sf_do_4_C(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t sctp_sf_do_5_1B_init(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_do_5_1B_init(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
sctp_chunk_t *chunk = arg;
sctp_chunk_t *repl;
sctp_association_t *new_asoc;
struct sctp_association *new_asoc;
sctp_chunk_t *err_chunk;
struct sctp_packet *packet;
sctp_unrecognized_param_t *unk_param;
......@@ -260,8 +260,8 @@ sctp_disposition_t sctp_sf_do_5_1B_init(const sctp_endpoint_t *ep,
/* The call, sctp_process_init(), can fail on memory allocation. */
if (!sctp_process_init(new_asoc, chunk->chunk_hdr->type,
sctp_source(chunk),
(sctp_init_chunk_t *)chunk->chunk_hdr,
sctp_source(chunk),
(sctp_init_chunk_t *)chunk->chunk_hdr,
GFP_ATOMIC))
goto nomem_init;
......@@ -355,8 +355,8 @@ sctp_disposition_t sctp_sf_do_5_1B_init(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t sctp_sf_do_5_1C_ack(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_do_5_1C_ack(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -514,13 +514,13 @@ sctp_disposition_t sctp_sf_do_5_1C_ack(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t sctp_sf_do_5_1D_ce(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_do_5_1D_ce(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type, void *arg,
sctp_cmd_seq_t *commands)
{
sctp_chunk_t *chunk = arg;
sctp_association_t *new_asoc;
struct sctp_association *new_asoc;
sctp_init_chunk_t *peer_init;
sctp_chunk_t *repl;
struct sctp_ulpevent *ev;
......@@ -652,8 +652,8 @@ sctp_disposition_t sctp_sf_do_5_1D_ce(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t sctp_sf_do_5_1E_ca(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_do_5_1E_ca(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type, void *arg,
sctp_cmd_seq_t *commands)
{
......@@ -697,8 +697,8 @@ sctp_disposition_t sctp_sf_do_5_1E_ca(const sctp_endpoint_t *ep,
}
/* Generate and sendout a heartbeat packet. */
sctp_disposition_t sctp_sf_heartbeat(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_heartbeat(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -730,8 +730,8 @@ sctp_disposition_t sctp_sf_heartbeat(const sctp_endpoint_t *ep,
}
/* Generate a HEARTBEAT packet on the given transport. */
sctp_disposition_t sctp_sf_sendbeat_8_3(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_sendbeat_8_3(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -740,7 +740,7 @@ sctp_disposition_t sctp_sf_sendbeat_8_3(const sctp_endpoint_t *ep,
if (asoc->overall_error_count >= asoc->overall_error_threshold) {
/* CMD_ASSOC_FAILED calls CMD_DELETE_TCB. */
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
SCTP_U32(SCTP_ERROR_NO_ERROR));
SCTP_INC_STATS(SctpAborteds);
SCTP_DEC_STATS(SctpCurrEstab);
......@@ -795,8 +795,8 @@ sctp_disposition_t sctp_sf_sendbeat_8_3(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t sctp_sf_beat_8_3(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_beat_8_3(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -862,8 +862,8 @@ sctp_disposition_t sctp_sf_beat_8_3(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t sctp_sf_backbeat_8_3(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_backbeat_8_3(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -926,7 +926,7 @@ static int sctp_sf_send_restart_abort(union sctp_addr *ssa,
struct sctp_packet *pkt;
sctp_addr_param_t *addrparm;
sctp_errhdr_t *errhdr;
sctp_endpoint_t *ep;
struct sctp_endpoint *ep;
char buffer[sizeof(sctp_errhdr_t) + sizeof(sctp_addr_param_t)];
/* Build the error on the stack. We are way to malloc crazy
......@@ -969,8 +969,8 @@ static int sctp_sf_send_restart_abort(union sctp_addr *ssa,
/* A restart is occurring, check to make sure no new addresses
* are being added as we may be under a takeover attack.
*/
static int sctp_sf_check_restart_addrs(const sctp_association_t *new_asoc,
const sctp_association_t *asoc,
static int sctp_sf_check_restart_addrs(const struct sctp_association *new_asoc,
const struct sctp_association *asoc,
sctp_chunk_t *init,
sctp_cmd_seq_t *commands)
{
......@@ -1022,8 +1022,8 @@ static int sctp_sf_check_restart_addrs(const sctp_association_t *new_asoc,
*
* Note: Do not use in CLOSED or SHUTDOWN-ACK-SENT state.
*/
static void sctp_tietags_populate(sctp_association_t *new_asoc,
const sctp_association_t *asoc)
static void sctp_tietags_populate(struct sctp_association *new_asoc,
const struct sctp_association *asoc)
{
switch (asoc->state) {
......@@ -1069,8 +1069,8 @@ static void sctp_tietags_populate(sctp_association_t *new_asoc,
* Returns value representing action to be taken. These action values
* correspond to Action/Description values in RFC 2960, Table 2.
*/
static char sctp_tietags_compare(sctp_association_t *new_asoc,
const sctp_association_t *asoc)
static char sctp_tietags_compare(struct sctp_association *new_asoc,
const struct sctp_association *asoc)
{
/* In this case, the peer may have restarted. */
if ((asoc->c.my_vtag != new_asoc->c.my_vtag) &&
......@@ -1106,15 +1106,15 @@ static char sctp_tietags_compare(sctp_association_t *new_asoc,
* chunk handling.
*/
static sctp_disposition_t sctp_sf_do_unexpected_init(
const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg, sctp_cmd_seq_t *commands)
{
sctp_disposition_t retval;
sctp_chunk_t *chunk = arg;
sctp_chunk_t *repl;
sctp_association_t *new_asoc;
struct sctp_association *new_asoc;
sctp_chunk_t *err_chunk;
struct sctp_packet *packet;
sctp_unrecognized_param_t *unk_param;
......@@ -1303,11 +1303,11 @@ static sctp_disposition_t sctp_sf_do_unexpected_init(
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t sctp_sf_do_5_2_1_siminit(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
sctp_disposition_t sctp_sf_do_5_2_1_siminit(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
/* Call helper to do the real work for both simulataneous and
* duplicate INIT chunk handling.
......@@ -1356,11 +1356,11 @@ sctp_disposition_t sctp_sf_do_5_2_1_siminit(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t sctp_sf_do_5_2_2_dupinit(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
sctp_disposition_t sctp_sf_do_5_2_2_dupinit(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
/* Call helper to do the real work for both simulataneous and
* duplicate INIT chunk handling.
......@@ -1375,11 +1375,11 @@ sctp_disposition_t sctp_sf_do_5_2_2_dupinit(const sctp_endpoint_t *ep,
* Section 5.2.4
* A) In this case, the peer may have restarted.
*/
static sctp_disposition_t sctp_sf_do_dupcook_a(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_chunk_t *chunk,
sctp_cmd_seq_t *commands,
sctp_association_t *new_asoc)
static sctp_disposition_t sctp_sf_do_dupcook_a(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
sctp_chunk_t *chunk,
sctp_cmd_seq_t *commands,
struct sctp_association *new_asoc)
{
sctp_init_chunk_t *peer_init;
struct sctp_ulpevent *ev;
......@@ -1391,7 +1391,7 @@ static sctp_disposition_t sctp_sf_do_dupcook_a(const sctp_endpoint_t *ep,
peer_init = &chunk->subh.cookie_hdr->c.peer_init[0];
if (!sctp_process_init(new_asoc, chunk->chunk_hdr->type,
sctp_source(chunk), peer_init,
sctp_source(chunk), peer_init,
GFP_ATOMIC))
goto nomem;
......@@ -1442,11 +1442,11 @@ static sctp_disposition_t sctp_sf_do_dupcook_a(const sctp_endpoint_t *ep,
* after responding to the local endpoint's INIT
*/
/* This case represents an initialization collision. */
static sctp_disposition_t sctp_sf_do_dupcook_b(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_chunk_t *chunk,
sctp_cmd_seq_t *commands,
sctp_association_t *new_asoc)
static sctp_disposition_t sctp_sf_do_dupcook_b(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
sctp_chunk_t *chunk,
sctp_cmd_seq_t *commands,
struct sctp_association *new_asoc)
{
sctp_init_chunk_t *peer_init;
struct sctp_ulpevent *ev;
......@@ -1457,7 +1457,7 @@ static sctp_disposition_t sctp_sf_do_dupcook_b(const sctp_endpoint_t *ep,
*/
peer_init = &chunk->subh.cookie_hdr->c.peer_init[0];
if (!sctp_process_init(new_asoc, chunk->chunk_hdr->type,
sctp_source(chunk), peer_init,
sctp_source(chunk), peer_init,
GFP_ATOMIC))
goto nomem;
......@@ -1506,11 +1506,11 @@ static sctp_disposition_t sctp_sf_do_dupcook_b(const sctp_endpoint_t *ep,
* but a new tag of its own.
*/
/* This case represents an intialization collision. */
static sctp_disposition_t sctp_sf_do_dupcook_c(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_chunk_t *chunk,
sctp_cmd_seq_t *commands,
sctp_association_t *new_asoc)
static sctp_disposition_t sctp_sf_do_dupcook_c(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
sctp_chunk_t *chunk,
sctp_cmd_seq_t *commands,
struct sctp_association *new_asoc)
{
/* The cookie should be silently discarded.
* The endpoint SHOULD NOT change states and should leave
......@@ -1527,11 +1527,11 @@ static sctp_disposition_t sctp_sf_do_dupcook_c(const sctp_endpoint_t *ep,
* enter the ESTABLISHED state, if it has not already done so.
*/
/* This case represents an intialization collision. */
static sctp_disposition_t sctp_sf_do_dupcook_d(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_chunk_t *chunk,
sctp_cmd_seq_t *commands,
sctp_association_t *new_asoc)
static sctp_disposition_t sctp_sf_do_dupcook_d(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
sctp_chunk_t *chunk,
sctp_cmd_seq_t *commands,
struct sctp_association *new_asoc)
{
struct sctp_ulpevent *ev = NULL;
sctp_chunk_t *repl;
......@@ -1603,15 +1603,15 @@ static sctp_disposition_t sctp_sf_do_dupcook_d(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t sctp_sf_do_5_2_4_dupcook(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
sctp_disposition_t sctp_sf_do_5_2_4_dupcook(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
sctp_disposition_t retval;
sctp_chunk_t *chunk = arg;
sctp_association_t *new_asoc;
struct sctp_association *new_asoc;
int error = 0;
char action;
sctp_chunk_t *err_chk_p;
......@@ -1701,11 +1701,12 @@ sctp_disposition_t sctp_sf_do_5_2_4_dupcook(const sctp_endpoint_t *ep,
*
* See sctp_sf_do_9_1_abort().
*/
sctp_disposition_t sctp_sf_shutdown_pending_abort(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
sctp_disposition_t sctp_sf_shutdown_pending_abort(
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
sctp_chunk_t *chunk = arg;
......@@ -1724,11 +1725,11 @@ sctp_disposition_t sctp_sf_shutdown_pending_abort(const sctp_endpoint_t *ep,
*
* See sctp_sf_do_9_1_abort().
*/
sctp_disposition_t sctp_sf_shutdown_sent_abort(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
sctp_disposition_t sctp_sf_shutdown_sent_abort(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
sctp_chunk_t *chunk = arg;
......@@ -1751,11 +1752,12 @@ sctp_disposition_t sctp_sf_shutdown_sent_abort(const sctp_endpoint_t *ep,
*
* See sctp_sf_do_9_1_abort().
*/
sctp_disposition_t sctp_sf_shutdown_ack_sent_abort(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
sctp_disposition_t sctp_sf_shutdown_ack_sent_abort(
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
/* The same T2 timer, so we should be able to use
* common function with the SHUTDOWN-SENT state.
......@@ -1777,11 +1779,11 @@ sctp_disposition_t sctp_sf_shutdown_ack_sent_abort(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t sctp_sf_cookie_echoed_err(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
sctp_disposition_t sctp_sf_cookie_echoed_err(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
sctp_chunk_t *chunk = arg;
sctp_errhdr_t *err;
......@@ -1792,7 +1794,7 @@ sctp_disposition_t sctp_sf_cookie_echoed_err(const sctp_endpoint_t *ep,
if (1 + asoc->counters[SCTP_COUNTER_INIT_ERROR] >
asoc->max_init_attempts) {
/* INIT_FAILED will issue an ulpevent. */
sctp_add_cmd_sf(commands, SCTP_CMD_INIT_FAILED,
sctp_add_cmd_sf(commands, SCTP_CMD_INIT_FAILED,
SCTP_U32(err->cause));
return SCTP_DISPOSITION_DELETE_TCB;
}
......@@ -1831,8 +1833,8 @@ sctp_disposition_t sctp_sf_cookie_echoed_err(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t sctp_sf_do_5_2_6_stale(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_do_5_2_6_stale(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -1850,7 +1852,7 @@ sctp_disposition_t sctp_sf_do_5_2_6_stale(const sctp_endpoint_t *ep,
attempts = asoc->counters[SCTP_COUNTER_INIT_ERROR] + 1;
if (attempts >= asoc->max_init_attempts) {
sctp_add_cmd_sf(commands, SCTP_CMD_INIT_FAILED,
sctp_add_cmd_sf(commands, SCTP_CMD_INIT_FAILED,
SCTP_U32(SCTP_ERROR_STALE_COOKIE));
return SCTP_DISPOSITION_DELETE_TCB;
}
......@@ -1946,8 +1948,8 @@ sctp_disposition_t sctp_sf_do_5_2_6_stale(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t sctp_sf_do_9_1_abort(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_do_9_1_abort(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -1959,7 +1961,7 @@ sctp_disposition_t sctp_sf_do_9_1_abort(const sctp_endpoint_t *ep,
return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
if (chunk && (ntohs(chunk->chunk_hdr->length) >=
(sizeof(struct sctp_chunkhdr) +
(sizeof(struct sctp_chunkhdr) +
sizeof(struct sctp_errhdr))))
error = ((sctp_errhdr_t *)chunk->skb->data)->cause;
......@@ -1977,11 +1979,11 @@ sctp_disposition_t sctp_sf_do_9_1_abort(const sctp_endpoint_t *ep,
*
* See sctp_sf_do_9_1_abort() above.
*/
sctp_disposition_t sctp_sf_cookie_wait_abort(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
sctp_disposition_t sctp_sf_cookie_wait_abort(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
sctp_chunk_t *chunk = arg;
__u16 error = SCTP_ERROR_NO_ERROR;
......@@ -1996,7 +1998,7 @@ sctp_disposition_t sctp_sf_cookie_wait_abort(const sctp_endpoint_t *ep,
SCTP_TO(SCTP_EVENT_TIMEOUT_T1_INIT));
if (chunk && (ntohs(chunk->chunk_hdr->length) >=
(sizeof(struct sctp_chunkhdr) +
(sizeof(struct sctp_chunkhdr) +
sizeof(struct sctp_errhdr))))
error = ((sctp_errhdr_t *)chunk->skb->data)->cause;
......@@ -2011,8 +2013,8 @@ sctp_disposition_t sctp_sf_cookie_wait_abort(const sctp_endpoint_t *ep,
*
* See sctp_sf_do_9_1_abort() above.
*/
sctp_disposition_t sctp_sf_cookie_echoed_abort(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_cookie_echoed_abort(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -2056,8 +2058,8 @@ sctp_disposition_t sctp_sf_cookie_echoed_abort(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t sctp_sf_do_9_2_shutdown(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_do_9_2_shutdown(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -2111,11 +2113,11 @@ sctp_disposition_t sctp_sf_do_9_2_shutdown(const sctp_endpoint_t *ep,
* that belong to this association, it should discard the INIT chunk and
* retransmit the SHUTDOWN ACK chunk.
*/
sctp_disposition_t sctp_sf_do_9_2_reshutack(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
sctp_disposition_t sctp_sf_do_9_2_reshutack(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
sctp_chunk_t *chunk = (sctp_chunk_t *) arg;
sctp_chunk_t *reply;
......@@ -2165,8 +2167,8 @@ sctp_disposition_t sctp_sf_do_9_2_reshutack(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t sctp_sf_do_ecn_cwr(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_do_ecn_cwr(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -2221,8 +2223,8 @@ sctp_disposition_t sctp_sf_do_ecn_cwr(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t sctp_sf_do_ecne(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_do_ecne(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -2279,8 +2281,8 @@ sctp_disposition_t sctp_sf_do_ecne(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t sctp_sf_eat_data_6_2(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_eat_data_6_2(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -2409,7 +2411,7 @@ sctp_disposition_t sctp_sf_eat_data_6_2(const sctp_endpoint_t *ep,
* processing the rest of the chunks in the packet.
*/
sctp_add_cmd_sf(commands, SCTP_CMD_DISCARD_PACKET,SCTP_NULL());
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
SCTP_U32(SCTP_ERROR_NO_DATA));
SCTP_INC_STATS(SctpAborteds);
SCTP_DEC_STATS(SctpCurrEstab);
......@@ -2537,11 +2539,11 @@ sctp_disposition_t sctp_sf_eat_data_6_2(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t sctp_sf_eat_data_fast_4_4(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
sctp_disposition_t sctp_sf_eat_data_fast_4_4(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
sctp_chunk_t *chunk = arg;
sctp_datahdr_t *data_hdr;
......@@ -2625,7 +2627,7 @@ sctp_disposition_t sctp_sf_eat_data_fast_4_4(const sctp_endpoint_t *ep,
* processing the rest of the chunks in the packet.
*/
sctp_add_cmd_sf(commands, SCTP_CMD_DISCARD_PACKET,SCTP_NULL());
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
SCTP_U32(SCTP_ERROR_NO_DATA));
SCTP_INC_STATS(SctpAborteds);
SCTP_DEC_STATS(SctpCurrEstab);
......@@ -2712,8 +2714,8 @@ sctp_disposition_t sctp_sf_eat_data_fast_4_4(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t sctp_sf_eat_sack_6_2(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_eat_sack_6_2(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -2773,8 +2775,8 @@ sctp_disposition_t sctp_sf_eat_sack_6_2(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t sctp_sf_tabort_8_4_8(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_tabort_8_4_8(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -2819,8 +2821,8 @@ sctp_disposition_t sctp_sf_tabort_8_4_8(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t sctp_sf_operr_notify(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_operr_notify(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -2856,8 +2858,8 @@ sctp_disposition_t sctp_sf_operr_notify(const sctp_endpoint_t *ep,
*
* The return value is the disposition.
*/
sctp_disposition_t sctp_sf_do_9_2_final(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_do_9_2_final(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -2924,8 +2926,8 @@ sctp_disposition_t sctp_sf_do_9_2_final(const sctp_endpoint_t *ep,
* TCB was found. After sending this ABORT, the receiver of the OOTB
* packet shall discard the OOTB packet and take no further action.
*/
sctp_disposition_t sctp_sf_ootb(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_ootb(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -2975,8 +2977,8 @@ sctp_disposition_t sctp_sf_ootb(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t sctp_sf_shut_8_4_5(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_shut_8_4_5(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -3024,8 +3026,8 @@ sctp_disposition_t sctp_sf_shut_8_4_5(const sctp_endpoint_t *ep,
* chunks. --piggy ]
*
*/
sctp_disposition_t sctp_sf_do_8_5_1_E_sa(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_do_8_5_1_E_sa(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -3061,8 +3063,8 @@ sctp_disposition_t sctp_sf_do_8_5_1_E_sa(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t sctp_sf_unk_chunk(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_unk_chunk(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -3140,8 +3142,8 @@ sctp_disposition_t sctp_sf_unk_chunk(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t sctp_sf_discard_chunk(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_discard_chunk(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -3169,8 +3171,8 @@ sctp_disposition_t sctp_sf_discard_chunk(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t sctp_sf_pdiscard(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_pdiscard(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -3198,8 +3200,8 @@ sctp_disposition_t sctp_sf_pdiscard(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t lucky(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t lucky(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -3235,8 +3237,8 @@ sctp_disposition_t lucky(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t other_stupid(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t other_stupid(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -3271,8 +3273,8 @@ sctp_disposition_t other_stupid(const sctp_endpoint_t *ep,
* We simply tag the chunk as a violation. The state machine will log
* the violation and continue.
*/
sctp_disposition_t sctp_sf_violation(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_violation(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -3309,7 +3311,7 @@ sctp_disposition_t sctp_sf_violation(const sctp_endpoint_t *ep,
* will be returned on successful establishment of the association. If
* SCTP is not able to open an SCTP association with the peer endpoint,
* an error is returned.
* [In the kernel implementation, the sctp_association_t needs to
* [In the kernel implementation, the struct sctp_association needs to
* be created BEFORE causing this primitive to run.]
*
* Other association parameters may be returned, including the
......@@ -3340,8 +3342,8 @@ sctp_disposition_t sctp_sf_violation(const sctp_endpoint_t *ep,
*
* The return value is a disposition.
*/
sctp_disposition_t sctp_sf_do_prm_asoc(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_do_prm_asoc(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -3371,7 +3373,7 @@ sctp_disposition_t sctp_sf_do_prm_asoc(const sctp_endpoint_t *ep,
* rerun it through as a sideffect.
*/
sctp_add_cmd_sf(commands, SCTP_CMD_NEW_ASOC,
SCTP_ASOC((sctp_association_t *) asoc));
SCTP_ASOC((struct sctp_association *) asoc));
/* After sending the INIT, "A" starts the T1-init timer and
* enters the COOKIE-WAIT state.
......@@ -3446,8 +3448,8 @@ sctp_disposition_t sctp_sf_do_prm_asoc(const sctp_endpoint_t *ep,
*
* The return value is the disposition.
*/
sctp_disposition_t sctp_sf_do_prm_send(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_do_prm_send(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -3484,11 +3486,12 @@ sctp_disposition_t sctp_sf_do_prm_send(const sctp_endpoint_t *ep,
*
* The return value is the disposition.
*/
sctp_disposition_t sctp_sf_do_9_2_prm_shutdown(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
sctp_disposition_t sctp_sf_do_9_2_prm_shutdown(
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
int disposition;
......@@ -3545,11 +3548,12 @@ sctp_disposition_t sctp_sf_do_9_2_prm_shutdown(const sctp_endpoint_t *ep,
*
* The return value is the disposition.
*/
sctp_disposition_t sctp_sf_do_9_1_prm_abort(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
sctp_disposition_t sctp_sf_do_9_1_prm_abort(
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
/* From 9.1 Abort of an Association
* Upon receipt of the ABORT primitive from its upper
......@@ -3577,7 +3581,7 @@ sctp_disposition_t sctp_sf_do_9_1_prm_abort(const sctp_endpoint_t *ep,
*/
/* Delete the established association. */
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
SCTP_U32(SCTP_ERROR_USER_ABORT));
SCTP_INC_STATS(SctpAborteds);
......@@ -3587,8 +3591,8 @@ sctp_disposition_t sctp_sf_do_9_1_prm_abort(const sctp_endpoint_t *ep,
}
/* We tried an illegal operation on an association which is closed. */
sctp_disposition_t sctp_sf_error_closed(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_error_closed(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -3600,8 +3604,8 @@ sctp_disposition_t sctp_sf_error_closed(const sctp_endpoint_t *ep,
/* We tried an illegal operation on an association which is shutting
* down.
*/
sctp_disposition_t sctp_sf_error_shutdown(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_error_shutdown(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -3626,8 +3630,8 @@ sctp_disposition_t sctp_sf_error_shutdown(const sctp_endpoint_t *ep,
* (timers)
*/
sctp_disposition_t sctp_sf_cookie_wait_prm_shutdown(
const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -3660,8 +3664,8 @@ sctp_disposition_t sctp_sf_cookie_wait_prm_shutdown(
* (timers)
*/
sctp_disposition_t sctp_sf_cookie_echoed_prm_shutdown(
const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg, sctp_cmd_seq_t *commands)
{
......@@ -3685,11 +3689,12 @@ sctp_disposition_t sctp_sf_cookie_echoed_prm_shutdown(
* Outputs
* (timers)
*/
sctp_disposition_t sctp_sf_cookie_wait_prm_abort(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
sctp_disposition_t sctp_sf_cookie_wait_prm_abort(
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
struct msghdr *msg = arg;
sctp_chunk_t *abort;
......@@ -3717,7 +3722,7 @@ sctp_disposition_t sctp_sf_cookie_wait_prm_abort(const sctp_endpoint_t *ep,
*/
/* Delete the established association. */
sctp_add_cmd_sf(commands, SCTP_CMD_INIT_FAILED,
sctp_add_cmd_sf(commands, SCTP_CMD_INIT_FAILED,
SCTP_U32(SCTP_ERROR_USER_ABORT));
return retval;
......@@ -3737,11 +3742,12 @@ sctp_disposition_t sctp_sf_cookie_wait_prm_abort(const sctp_endpoint_t *ep,
* Outputs
* (timers)
*/
sctp_disposition_t sctp_sf_cookie_echoed_prm_abort(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
sctp_disposition_t sctp_sf_cookie_echoed_prm_abort(
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
/* There is a single T1 timer, so we should be able to use
* common function with the COOKIE-WAIT state.
......@@ -3762,8 +3768,8 @@ sctp_disposition_t sctp_sf_cookie_echoed_prm_abort(const sctp_endpoint_t *ep,
* (timers)
*/
sctp_disposition_t sctp_sf_shutdown_pending_prm_abort(
const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -3788,8 +3794,8 @@ sctp_disposition_t sctp_sf_shutdown_pending_prm_abort(
* (timers)
*/
sctp_disposition_t sctp_sf_shutdown_sent_prm_abort(
const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -3818,8 +3824,8 @@ sctp_disposition_t sctp_sf_shutdown_sent_prm_abort(
* (timers)
*/
sctp_disposition_t sctp_sf_shutdown_ack_sent_prm_abort(
const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -3853,8 +3859,8 @@ sctp_disposition_t sctp_sf_shutdown_ack_sent_prm_abort(
* association on which a heartbeat should be issued.
*/
sctp_disposition_t sctp_sf_do_prm_requestheartbeat(
const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -3868,11 +3874,12 @@ sctp_disposition_t sctp_sf_do_prm_requestheartbeat(
*
* The return value is the disposition of the primitive.
*/
sctp_disposition_t sctp_sf_ignore_primitive(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
sctp_disposition_t sctp_sf_ignore_primitive(
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
SCTP_DEBUG_PRINTK("Primitive type %d is ignored.\n", type.primitive);
return SCTP_DISPOSITION_DISCARD;
......@@ -3895,11 +3902,12 @@ sctp_disposition_t sctp_sf_ignore_primitive(const sctp_endpoint_t *ep,
*
* The return value is the disposition.
*/
sctp_disposition_t sctp_sf_do_9_2_start_shutdown(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
sctp_disposition_t sctp_sf_do_9_2_start_shutdown(
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
sctp_chunk_t *reply;
......@@ -3956,11 +3964,12 @@ sctp_disposition_t sctp_sf_do_9_2_start_shutdown(const sctp_endpoint_t *ep,
*
* The return value is the disposition.
*/
sctp_disposition_t sctp_sf_do_9_2_shutdown_ack(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
sctp_disposition_t sctp_sf_do_9_2_shutdown_ack(
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
sctp_chunk_t *chunk = (sctp_chunk_t *) arg;
sctp_chunk_t *reply;
......@@ -4009,8 +4018,8 @@ sctp_disposition_t sctp_sf_do_9_2_shutdown_ack(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the event.
*/
sctp_disposition_t sctp_sf_ignore_other(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_ignore_other(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -4034,8 +4043,8 @@ sctp_disposition_t sctp_sf_ignore_other(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t sctp_sf_do_6_3_3_rtx(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_do_6_3_3_rtx(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -4044,7 +4053,7 @@ sctp_disposition_t sctp_sf_do_6_3_3_rtx(const sctp_endpoint_t *ep,
if (asoc->overall_error_count >= asoc->overall_error_threshold) {
/* CMD_ASSOC_FAILED calls CMD_DELETE_TCB. */
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
SCTP_U32(SCTP_ERROR_NO_ERROR));
SCTP_INC_STATS(SctpAborteds);
SCTP_DEC_STATS(SctpCurrEstab);
......@@ -4102,8 +4111,8 @@ sctp_disposition_t sctp_sf_do_6_3_3_rtx(const sctp_endpoint_t *ep,
* allow. However, an SCTP transmitter MUST NOT be more aggressive than
* the following algorithms allow.
*/
sctp_disposition_t sctp_sf_do_6_2_sack(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_do_6_2_sack(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -4137,8 +4146,8 @@ sctp_disposition_t sctp_sf_do_6_2_sack(const sctp_endpoint_t *ep,
* (timers, events)
*
*/
sctp_disposition_t sctp_sf_t1_timer_expire(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_t1_timer_expire(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -4180,7 +4189,7 @@ sctp_disposition_t sctp_sf_t1_timer_expire(const sctp_endpoint_t *ep,
SCTP_TO(timer));
sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(repl));
} else {
sctp_add_cmd_sf(commands, SCTP_CMD_INIT_FAILED,
sctp_add_cmd_sf(commands, SCTP_CMD_INIT_FAILED,
SCTP_U32(SCTP_ERROR_NO_ERROR));
return SCTP_DISPOSITION_DELETE_TCB;
}
......@@ -4204,8 +4213,8 @@ sctp_disposition_t sctp_sf_t1_timer_expire(const sctp_endpoint_t *ep,
* the T2-Shutdown timer, giving its peer ample opportunity to transmit
* all of its queued DATA chunks that have not yet been sent.
*/
sctp_disposition_t sctp_sf_t2_timer_expire(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_t2_timer_expire(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -4215,7 +4224,7 @@ sctp_disposition_t sctp_sf_t2_timer_expire(const sctp_endpoint_t *ep,
SCTP_DEBUG_PRINTK("Timer T2 expired.\n");
if (asoc->overall_error_count >= asoc->overall_error_threshold) {
/* Note: CMD_ASSOC_FAILED calls CMD_DELETE_TCB. */
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
SCTP_U32(SCTP_ERROR_NO_ERROR));
SCTP_INC_STATS(SctpAborteds);
SCTP_DEC_STATS(SctpCurrEstab);
......@@ -4264,8 +4273,8 @@ sctp_disposition_t sctp_sf_t2_timer_expire(const sctp_endpoint_t *ep,
* At the expiration of this timer the sender SHOULD abort the association
* by sending an ABORT chunk.
*/
sctp_disposition_t sctp_sf_t5_timer_expire(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_t5_timer_expire(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -4279,7 +4288,7 @@ sctp_disposition_t sctp_sf_t5_timer_expire(const sctp_endpoint_t *ep,
goto nomem;
sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(reply));
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
SCTP_U32(SCTP_ERROR_NO_ERROR));
return SCTP_DISPOSITION_DELETE_TCB;
......@@ -4292,11 +4301,12 @@ sctp_disposition_t sctp_sf_t5_timer_expire(const sctp_endpoint_t *ep,
* The work that needs to be done is same as when SHUTDOWN is initiated by
* the user. So this routine looks same as sctp_sf_do_9_2_prm_shutdown().
*/
sctp_disposition_t sctp_sf_autoclose_timer_expire(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
sctp_disposition_t sctp_sf_autoclose_timer_expire(
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
int disposition;
......@@ -4337,8 +4347,8 @@ sctp_disposition_t sctp_sf_autoclose_timer_expire(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t sctp_sf_not_impl(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_not_impl(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -4354,8 +4364,8 @@ sctp_disposition_t sctp_sf_not_impl(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t sctp_sf_bug(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_bug(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -4374,8 +4384,8 @@ sctp_disposition_t sctp_sf_bug(const sctp_endpoint_t *ep,
*
* The return value is the disposition of the chunk.
*/
sctp_disposition_t sctp_sf_timer_ignore(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
sctp_disposition_t sctp_sf_timer_ignore(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
......@@ -4411,8 +4421,8 @@ sctp_sackhdr_t *sctp_sm_pull_sack(sctp_chunk_t *chunk)
/* Create an ABORT packet to be sent as a response, with the specified
* error causes.
*/
struct sctp_packet *sctp_abort_pkt_new(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
struct sctp_packet *sctp_abort_pkt_new(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
sctp_chunk_t *chunk,
const void *payload,
size_t paylen)
......@@ -4447,7 +4457,7 @@ struct sctp_packet *sctp_abort_pkt_new(const sctp_endpoint_t *ep,
}
/* Allocate a packet for responding in the OOTB conditions. */
struct sctp_packet *sctp_ootb_pkt_new(const sctp_association_t *asoc,
struct sctp_packet *sctp_ootb_pkt_new(const struct sctp_association *asoc,
const sctp_chunk_t *chunk)
{
struct sctp_packet *packet;
......@@ -4512,8 +4522,8 @@ void sctp_ootb_pkt_free(struct sctp_packet *packet)
}
/* Send a stale cookie error when a invalid COOKIE ECHO chunk is found */
void sctp_send_stale_cookie_err(const sctp_endpoint_t *ep,
const sctp_association_t *asoc,
void sctp_send_stale_cookie_err(const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_chunk_t *chunk,
sctp_cmd_seq_t *commands,
sctp_chunk_t *err_chunk)
......
net/sctp/socket.c
View file @ 6a074a55
......@@ -55,7 +55,6 @@
#include <linux/config.h>
#include <linux/types.h>
#include <linux/compiler.h>
#include <linux/kernel.h>
#include <linux/wait.h>
#include <linux/time.h>
......@@ -63,6 +62,7 @@
#include <linux/fcntl.h>
#include <linux/poll.h>
#include <linux/init.h>
#include <linux/crypto.h>
#include <net/ip.h>
#include <net/icmp.h>
......@@ -96,31 +96,33 @@ static int sctp_do_bind(struct sock *, union sctp_addr *, int);
static int sctp_autobind(struct sock *sk);
static void sctp_sock_migrate(struct sock *, struct sock *,
struct sctp_association *, sctp_socket_type_t);
static char *sctp_hmac_alg = SCTP_COOKIE_HMAC_ALG;
/* Look up the association by its id. If this is not a UDP-style
* socket, the ID field is always ignored.
*/
sctp_association_t *sctp_id2assoc(struct sock *sk, sctp_assoc_t id)
struct sctp_association *sctp_id2assoc(struct sock *sk, sctp_assoc_t id)
{
sctp_association_t *asoc = NULL;
struct sctp_association *asoc = NULL;
/* If this is not a UDP-style socket, assoc id should be
/* If this is not a UDP-style socket, assoc id should be
* ignored.
*/
if (SCTP_SOCKET_UDP != sctp_sk(sk)->type) {
if (!list_empty(&sctp_sk(sk)->ep->asocs))
asoc = list_entry(sctp_sk(sk)->ep->asocs.next,
sctp_association_t, asocs);
struct sctp_association, asocs);
return asoc;
}
/* First, verify that this is a kernel address. */
if (sctp_is_valid_kaddr((unsigned long) id)) {
sctp_association_t *temp = (sctp_association_t *) id;
struct sctp_association *temp;
/* Verify that this _is_ an sctp_association_t
/* Verify that this _is_ an sctp_association
* data structure and if so, that the socket matches.
*/
temp = (struct sctp_association *)id;
if ((SCTP_ASSOC_EYECATCHER == temp->eyecatcher) &&
(temp->base.sk == sk))
asoc = temp;
......@@ -188,12 +190,11 @@ static struct sctp_af *sctp_sockaddr_af(struct sctp_opt *opt,
return af;
}
/* Bind a local address either to an endpoint or to an association. */
SCTP_STATIC int sctp_do_bind(struct sock *sk, union sctp_addr *addr, int len)
{
struct sctp_opt *sp = sctp_sk(sk);
sctp_endpoint_t *ep = sp->ep;
struct sctp_endpoint *ep = sp->ep;
sctp_bind_addr_t *bp = &ep->base.bind_addr;
struct sctp_af *af;
unsigned short snum;
......@@ -260,7 +261,7 @@ SCTP_STATIC int sctp_do_bind(struct sock *sk, union sctp_addr *addr, int len)
/* Copy back into socket for getsockname() use. */
if (!ret) {
inet_sk(sk)->sport = htons(inet_sk(sk)->num);
af->to_sk(addr, sk);
af->to_sk_saddr(addr, sk);
}
return ret;
......@@ -450,12 +451,12 @@ int sctp_bindx_add(struct sock *sk, struct sockaddr_storage *addrs, int addrcnt)
/* Add these addresses to all associations on this endpoint. */
if (retval >= 0) {
struct list_head *pos;
sctp_endpoint_t *ep;
sctp_association_t *asoc;
struct sctp_endpoint *ep;
struct sctp_association *asoc;
ep = sctp_sk(sk)->ep;
list_for_each(pos, &ep->asocs) {
asoc = list_entry(pos, sctp_association_t, asocs);
asoc = list_entry(pos, struct sctp_association, asocs);
sctp_addip_addr_config(asoc,
SCTP_PARAM_ADD_IP,
......@@ -485,7 +486,7 @@ int sctp_bindx_add(struct sock *sk, struct sockaddr_storage *addrs, int addrcnt)
int sctp_bindx_rem(struct sock *sk, struct sockaddr_storage *addrs, int addrcnt)
{
struct sctp_opt *sp = sctp_sk(sk);
sctp_endpoint_t *ep = sp->ep;
struct sctp_endpoint *ep = sp->ep;
int cnt;
sctp_bind_addr_t *bp = &ep->base.bind_addr;
int retval = 0;
......@@ -570,12 +571,12 @@ int sctp_bindx_rem(struct sock *sk, struct sockaddr_storage *addrs, int addrcnt)
/* Remove these addresses from all associations on this endpoint. */
if (retval >= 0) {
struct list_head *pos;
sctp_endpoint_t *ep;
sctp_association_t *asoc;
struct sctp_endpoint *ep;
struct sctp_association *asoc;
ep = sctp_sk(sk)->ep;
list_for_each(pos, &ep->asocs) {
asoc = list_entry(pos, sctp_association_t, asocs);
asoc = list_entry(pos, struct sctp_association, asocs);
sctp_addip_addr_config(asoc, SCTP_PARAM_DEL_IP,
addrs, addrcnt);
}
......@@ -637,7 +638,7 @@ SCTP_STATIC int sctp_setsockopt_bindx(struct sock* sk,
/* Alloc space for the address array in kernel memory. */
kaddrs = (struct sockaddr_storage *) kmalloc(addrssize, GFP_KERNEL);
if (unlikely(NULL == kaddrs))
if (unlikely(!kaddrs))
return -ENOMEM;
if (copy_from_user(kaddrs, addrs, addrssize)) {
......@@ -673,8 +674,8 @@ SCTP_STATIC int sctp_setsockopt_bindx(struct sock* sk,
*/
SCTP_STATIC void sctp_close(struct sock *sk, long timeout)
{
sctp_endpoint_t *ep;
sctp_association_t *asoc;
struct sctp_endpoint *ep;
struct sctp_association *asoc;
struct list_head *pos, *temp;
SCTP_DEBUG_PRINTK("sctp_close(sk: 0x%p...)\n", sk);
......@@ -686,8 +687,18 @@ SCTP_STATIC void sctp_close(struct sock *sk, long timeout)
/* Walk all associations on a socket, not on an endpoint. */
list_for_each_safe(pos, temp, &ep->asocs) {
asoc = list_entry(pos, sctp_association_t, asocs);
sctp_primitive_SHUTDOWN(asoc, NULL);
asoc = list_entry(pos, struct sctp_association, asocs);
/* A closed association can still be in the list if it
* belongs to a TCP-style listening socket that is not
* yet accepted.
*/
if ((SCTP_SOCKET_TCP == sctp_sk(sk)->type) &&
(SCTP_STATE_CLOSED == asoc->state)) {
sctp_unhash_established(asoc);
sctp_association_free(asoc);
} else
sctp_primitive_SHUTDOWN(asoc, NULL);
}
/* Clean up any skbs sitting on the receive queue. */
......@@ -717,6 +728,16 @@ SCTP_STATIC void sctp_close(struct sock *sk, long timeout)
SCTP_DBG_OBJCNT_DEC(sock);
}
/* Handle EPIPE error. */
static int sctp_error(struct sock *sk, int flags, int err)
{
if (err == -EPIPE)
err = sock_error(sk) ? : -EPIPE;
if (err == -EPIPE && !(flags & MSG_NOSIGNAL))
send_sig(SIGPIPE, current, 0);
return err;
}
/* API 3.1.3 sendmsg() - UDP Style Syntax
*
* An application uses sendmsg() and recvmsg() calls to transmit data to
......@@ -746,8 +767,8 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
struct msghdr *msg, int msg_len)
{
struct sctp_opt *sp;
sctp_endpoint_t *ep;
sctp_association_t *new_asoc=NULL, *asoc=NULL;
struct sctp_endpoint *ep;
struct sctp_association *new_asoc=NULL, *asoc=NULL;
struct sctp_transport *transport;
sctp_chunk_t *chunk = NULL;
union sctp_addr to;
......@@ -762,6 +783,7 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
long timeo;
__u16 sinfo_flags = 0;
struct sk_buff_head chunks;
int msg_flags = msg->msg_flags;
SCTP_DEBUG_PRINTK("sctp_sendmsg(sk: %p, msg: %p, msg_len: %d)\n",
sk, msg, msg_len);
......@@ -772,6 +794,12 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
SCTP_DEBUG_PRINTK("Using endpoint: %s.\n", ep->debug_name);
if ((SCTP_SOCKET_TCP == sp->type) &&
(SCTP_SS_ESTABLISHED != sk->state)) {
err = -EPIPE;
goto out_nounlock;
}
/* Parse out the SCTP CMSGs. */
err = sctp_msghdr_parse(msg, &cmsgs);
......@@ -858,6 +886,18 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
if (asoc) {
SCTP_DEBUG_PRINTK("Just looked up association: "
"%s. \n", asoc->debug_name);
/* We cannot send a message on a TCP-style SCTP_SS_ESTABLISHED
* socket that has an association in CLOSED state. This can
* happen when an accepted socket has an association that is
* already CLOSED.
*/
if ((SCTP_STATE_CLOSED == asoc->state) &&
(SCTP_SOCKET_TCP == sp->type)) {
err = -EPIPE;
goto out_unlock;
}
if (sinfo_flags & MSG_EOF) {
SCTP_DEBUG_PRINTK("Shutting down association: %p\n",
asoc);
......@@ -1066,7 +1106,7 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
sctp_release_sock(sk);
out_nounlock:
return err;
return sctp_error(sk, msg_flags, err);
#if 0
do_sock_err:
......@@ -1134,8 +1174,9 @@ static int sctp_skb_pull(struct sk_buff *skb, int len)
*/
static struct sk_buff *sctp_skb_recv_datagram(struct sock *, int, int, int *);
SCTP_STATIC int sctp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
int len, int noblock, int flags, int *addr_len)
SCTP_STATIC int sctp_recvmsg(struct kiocb *iocb, struct sock *sk,
struct msghdr *msg, int len, int noblock,
int flags, int *addr_len)
{
struct sctp_ulpevent *event = NULL;
struct sctp_opt *sp = sctp_sk(sk);
......@@ -1156,7 +1197,7 @@ SCTP_STATIC int sctp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr
err = -ENOTCONN;
goto out;
}
skb = sctp_skb_recv_datagram(sk, flags, noblock, &err);
if (!skb)
goto out;
......@@ -1271,10 +1312,10 @@ static int sctp_setsockopt_autoclose(struct sock *sk, char *optval,
}
static int sctp_setsockopt_peer_addr_params(struct sock *sk,
char *optval, int optlen)
char *optval, int optlen)
{
struct sctp_paddrparams params;
sctp_association_t *asoc;
struct sctp_association *asoc;
union sctp_addr *addr;
struct sctp_transport *trans;
int error;
......@@ -1329,8 +1370,7 @@ static int sctp_setsockopt_peer_addr_params(struct sock *sk,
return 0;
}
static int sctp_setsockopt_initmsg(struct sock *sk, char *optval,
int optlen)
static int sctp_setsockopt_initmsg(struct sock *sk, char *optval, int optlen)
{
if (optlen != sizeof(struct sctp_initmsg))
return -EINVAL;
......@@ -1340,7 +1380,6 @@ static int sctp_setsockopt_initmsg(struct sock *sk, char *optval,
}
/*
*
* 7.1.15 Set default send parameters (SET_DEFAULT_SEND_PARAM)
*
* Applications that wish to use the sendto() system call may wish to
......@@ -1358,7 +1397,7 @@ static int sctp_setsockopt_default_send_param(struct sock *sk,
char *optval, int optlen)
{
struct sctp_sndrcvinfo info;
sctp_association_t *asoc;
struct sctp_association *asoc;
if (optlen != sizeof(struct sctp_sndrcvinfo))
return -EINVAL;
......@@ -1428,12 +1467,10 @@ static int sctp_setsockopt_nodelay(struct sock *sk, char *optval,
if (optlen < sizeof(__u8))
return -EINVAL;
if (get_user(val, (__u8 *)optval))
return -EFAULT;
sctp_sk(sk)->nodelay = (val == 0) ? 0 : 1;
return 0;
}
......@@ -1572,10 +1609,11 @@ SCTP_STATIC int sctp_connect(struct sock *sk, struct sockaddr *uaddr,
int addr_len)
{
struct sctp_opt *sp;
sctp_endpoint_t *ep;
sctp_association_t *asoc;
struct sctp_endpoint *ep;
struct sctp_association *asoc;
struct sctp_transport *transport;
union sctp_addr to;
struct sctp_af *af;
sctp_scope_t scope;
long timeo;
int err = 0;
......@@ -1590,7 +1628,7 @@ SCTP_STATIC int sctp_connect(struct sock *sk, struct sockaddr *uaddr,
/* connect() cannot be done on a socket that is already in ESTABLISHED
* state - UDP-style peeled off socket or a TCP-style socket that
* is already connected.
* is already connected.
* It cannot be done even on a TCP-style listening socket.
*/
if ((SCTP_SS_ESTABLISHED == sk->state) ||
......@@ -1663,6 +1701,11 @@ SCTP_STATIC int sctp_connect(struct sock *sk, struct sockaddr *uaddr,
goto out_unlock;
}
/* Initialize sk's dport and daddr for getpeername() */
inet_sk(sk)->dport = htons(asoc->peer.port);
af = sctp_get_af_specific(to.sa.sa_family);
af->to_sk_daddr(&to, sk);
timeo = sock_sndtimeo(sk, sk->socket->file->f_flags & O_NONBLOCK);
err = sctp_wait_for_connect(asoc, &timeo);
......@@ -1690,10 +1733,10 @@ SCTP_STATIC struct sock *sctp_accept(struct sock *sk, int flags, int *err)
struct sctp_opt *sp;
struct sctp_endpoint *ep;
struct sock *newsk = NULL;
struct sctp_association *assoc;
struct sctp_association *asoc;
long timeo;
int error = 0;
sctp_lock_sock(sk);
sp = sctp_sk(sk);
......@@ -1715,21 +1758,21 @@ SCTP_STATIC struct sock *sctp_accept(struct sock *sk, int flags, int *err)
if (error)
goto out;
/* We treat the list of associations on the endpoint as the accept
* queue and pick the first association on the list.
/* We treat the list of associations on the endpoint as the accept
* queue and pick the first association on the list.
*/
assoc = list_entry(ep->asocs.next, struct sctp_association, asocs);
asoc = list_entry(ep->asocs.next, struct sctp_association, asocs);
newsk = sp->pf->create_accept_sk(sk, assoc);
newsk = sp->pf->create_accept_sk(sk, asoc);
if (!newsk) {
error = -ENOMEM;
goto out;
}
/* Populate the fields of the newsk from the oldsk and migrate the
* assoc to the newsk.
*/
sctp_sock_migrate(sk, newsk, assoc, SCTP_SOCKET_TCP);
* asoc to the newsk.
*/
sctp_sock_migrate(sk, newsk, asoc, SCTP_SOCKET_TCP);
out:
sctp_release_sock(sk);
......@@ -1737,10 +1780,10 @@ SCTP_STATIC struct sock *sctp_accept(struct sock *sk, int flags, int *err)
return newsk;
}
/* FIXME: Write Comments. */
/* The SCTP ioctl handler. */
SCTP_STATIC int sctp_ioctl(struct sock *sk, int cmd, unsigned long arg)
{
return -EOPNOTSUPP; /* STUB */
return -ENOIOCTLCMD;
}
/* This is the function which gets called during socket creation to
......@@ -1749,7 +1792,7 @@ SCTP_STATIC int sctp_ioctl(struct sock *sk, int cmd, unsigned long arg)
*/
SCTP_STATIC int sctp_init_sock(struct sock *sk)
{
sctp_endpoint_t *ep;
struct sctp_endpoint *ep;
struct sctp_protocol *proto;
struct sctp_opt *sp;
......@@ -1835,11 +1878,12 @@ SCTP_STATIC int sctp_init_sock(struct sock *sk)
* change the data structure relationships, this may still
* be useful for storing pre-connect address information.
*/
ep = sctp_endpoint_new(proto, sk, GFP_KERNEL);
if (NULL == ep)
ep = sctp_endpoint_new(sk, GFP_KERNEL);
if (!ep)
return -ENOMEM;
sp->ep = ep;
sp->hmac = NULL;
SCTP_DBG_OBJCNT_INC(sock);
return 0;
......@@ -1848,7 +1892,7 @@ SCTP_STATIC int sctp_init_sock(struct sock *sk)
/* Cleanup any SCTP per socket resources. */
SCTP_STATIC int sctp_destroy_sock(struct sock *sk)
{
sctp_endpoint_t *ep;
struct sctp_endpoint *ep;
SCTP_DEBUG_PRINTK("sctp_destroy_sock(sk: %p)\n", sk);
......@@ -1859,11 +1903,38 @@ SCTP_STATIC int sctp_destroy_sock(struct sock *sk)
return 0;
}
/* FIXME: Comments needed. */
/* API 4.1.7 shutdown() - TCP Style Syntax
* int shutdown(int socket, int how);
*
* sd - the socket descriptor of the association to be closed.
* how - Specifies the type of shutdown. The values are
* as follows:
* SHUT_RD
* Disables further receive operations. No SCTP
* protocol action is taken.
* SHUT_WR
* Disables further send operations, and initiates
* the SCTP shutdown sequence.
* SHUT_RDWR
* Disables further send and receive operations
* and initiates the SCTP shutdown sequence.
*/
SCTP_STATIC void sctp_shutdown(struct sock *sk, int how)
{
/* UDP-style sockets do not support shutdown. */
/* STUB */
struct sctp_endpoint *ep;
struct sctp_association *asoc;
if (SCTP_SOCKET_TCP != sctp_sk(sk)->type)
return;
if (how & SEND_SHUTDOWN) {
ep = sctp_sk(sk)->ep;
if (!list_empty(&ep->asocs)) {
asoc = list_entry(ep->asocs.next,
struct sctp_association, asocs);
sctp_primitive_SHUTDOWN(asoc, NULL);
}
}
}
/* 7.2.1 Association Status (SCTP_STATUS)
......@@ -1877,7 +1948,7 @@ static int sctp_getsockopt_sctp_status(struct sock *sk, int len, char *optval,
int *optlen)
{
struct sctp_status status;
sctp_association_t *assoc = NULL;
struct sctp_association *asoc = NULL;
struct sctp_transport *transport;
sctp_assoc_t associd;
int retval = 0;
......@@ -1893,22 +1964,22 @@ static int sctp_getsockopt_sctp_status(struct sock *sk, int len, char *optval,
}
associd = status.sstat_assoc_id;
assoc = sctp_id2assoc(sk, associd);
if (!assoc) {
asoc = sctp_id2assoc(sk, associd);
if (!asoc) {
retval = -EINVAL;
goto out;
}
transport = assoc->peer.primary_path;
transport = asoc->peer.primary_path;
status.sstat_assoc_id = sctp_assoc2id(assoc);
status.sstat_state = assoc->state;
status.sstat_rwnd = assoc->peer.rwnd;
status.sstat_unackdata = assoc->unack_data;
status.sstat_penddata = assoc->peer.tsn_map.pending_data;
status.sstat_instrms = assoc->c.sinit_max_instreams;
status.sstat_outstrms = assoc->c.sinit_num_ostreams;
status.sstat_fragmentation_point = assoc->frag_point;
status.sstat_assoc_id = sctp_assoc2id(asoc);
status.sstat_state = asoc->state;
status.sstat_rwnd = asoc->peer.rwnd;
status.sstat_unackdata = asoc->unack_data;
status.sstat_penddata = asoc->peer.tsn_map.pending_data;
status.sstat_instrms = asoc->c.sinit_max_instreams;
status.sstat_outstrms = asoc->c.sinit_num_ostreams;
status.sstat_fragmentation_point = asoc->frag_point;
status.sstat_primary.spinfo_assoc_id = sctp_assoc2id(transport->asoc);
memcpy(&status.sstat_primary.spinfo_address,
&(transport->ipaddr), sizeof(union sctp_addr));
......@@ -1975,33 +2046,29 @@ static int sctp_getsockopt_autoclose(struct sock *sk, int len, char *optval, int
}
/* Helper routine to branch off an association to a new socket. */
SCTP_STATIC int sctp_do_peeloff(sctp_association_t *assoc, struct socket **newsock)
SCTP_STATIC int sctp_do_peeloff(struct sctp_association *asoc,
struct socket **sockp)
{
struct sock *oldsk = assoc->base.sk;
struct sock *newsk;
struct socket *tmpsock;
struct sock *sk = asoc->base.sk;
struct socket *sock;
int err = 0;
/* An association cannot be branched off from an already peeled-off
* socket, nor is this supported for tcp style sockets.
*/
if (SCTP_SOCKET_UDP != sctp_sk(oldsk)->type)
return -EOPNOTSUPP;
if (SCTP_SOCKET_UDP != sctp_sk(sk)->type)
return -EINVAL;
/* Create a new socket. */
err = sock_create(oldsk->family, SOCK_SEQPACKET, IPPROTO_SCTP,
&tmpsock);
err = sock_create(sk->family, SOCK_SEQPACKET, IPPROTO_SCTP, &sock);
if (err < 0)
return err;
newsk = tmpsock->sk;
/* Populate the fields of the newsk from the oldsk and migrate the
* assoc to the newsk.
*/
sctp_sock_migrate(oldsk, newsk, assoc, SCTP_SOCKET_UDP_HIGH_BANDWIDTH);
*newsock = tmpsock;
* asoc to the newsk.
*/
sctp_sock_migrate(sk, sock->sk, asoc, SCTP_SOCKET_UDP_HIGH_BANDWIDTH);
*sockp = sock;
return err;
}
......@@ -2011,22 +2078,22 @@ static int sctp_getsockopt_peeloff(struct sock *sk, int len, char *optval, int *
sctp_peeloff_arg_t peeloff;
struct socket *newsock;
int retval = 0;
sctp_association_t *assoc;
struct sctp_association *asoc;
if (len != sizeof(sctp_peeloff_arg_t))
return -EINVAL;
if (copy_from_user(&peeloff, optval, len))
return -EFAULT;
assoc = sctp_id2assoc(sk, peeloff.associd);
if (NULL == assoc) {
asoc = sctp_id2assoc(sk, peeloff.associd);
if (!asoc) {
retval = -EINVAL;
goto out;
}
SCTP_DEBUG_PRINTK("%s: sk: %p assoc: %p\n", __FUNCTION__, sk, assoc);
SCTP_DEBUG_PRINTK("%s: sk: %p asoc: %p\n", __FUNCTION__, sk, asoc);
retval = sctp_do_peeloff(assoc, &newsock);
retval = sctp_do_peeloff(asoc, &newsock);
if (retval < 0)
goto out;
......@@ -2037,8 +2104,8 @@ static int sctp_getsockopt_peeloff(struct sock *sk, int len, char *optval, int *
goto out;
}
SCTP_DEBUG_PRINTK("%s: sk: %p assoc: %p newsk: %p sd: %d\n",
__FUNCTION__, sk, assoc, newsock->sk, retval);
SCTP_DEBUG_PRINTK("%s: sk: %p asoc: %p newsk: %p sd: %d\n",
__FUNCTION__, sk, asoc, newsock->sk, retval);
/* Return the fd mapped to the new socket. */
peeloff.sd = retval;
......@@ -2049,11 +2116,11 @@ static int sctp_getsockopt_peeloff(struct sock *sk, int len, char *optval, int *
return retval;
}
static int sctp_getsockopt_peer_addr_params(struct sock *sk, int len,
static int sctp_getsockopt_peer_addr_params(struct sock *sk, int len,
char *optval, int *optlen)
{
struct sctp_paddrparams params;
sctp_association_t *asoc;
struct sctp_association *asoc;
union sctp_addr *addr;
struct sctp_transport *trans;
......@@ -2102,11 +2169,11 @@ static int sctp_getsockopt_initmsg(struct sock *sk, int len, char *optval, int *
return 0;
}
static int sctp_getsockopt_peer_addrs_num(struct sock *sk, int len,
static int sctp_getsockopt_peer_addrs_num(struct sock *sk, int len,
char *optval, int *optlen)
{
sctp_assoc_t id;
sctp_association_t *asoc;
struct sctp_association *asoc;
struct list_head *pos;
int cnt = 0;
......@@ -2135,7 +2202,7 @@ static int sctp_getsockopt_peer_addrs_num(struct sock *sk, int len,
static int sctp_getsockopt_peer_addrs(struct sock *sk, int len,
char *optval, int *optlen)
{
sctp_association_t *asoc;
struct sctp_association *asoc;
struct list_head *pos;
int cnt = 0;
struct sctp_getaddrs getaddrs;
......@@ -2177,7 +2244,7 @@ static int sctp_getsockopt_local_addrs_num(struct sock *sk, int len,
{
sctp_assoc_t id;
sctp_bind_addr_t *bp;
sctp_association_t *asoc;
struct sctp_association *asoc;
struct list_head *pos;
int cnt = 0;
......@@ -2215,7 +2282,7 @@ static int sctp_getsockopt_local_addrs(struct sock *sk, int len,
char *optval, int *optlen)
{
sctp_bind_addr_t *bp;
sctp_association_t *asoc;
struct sctp_association *asoc;
struct list_head *pos;
int cnt = 0;
struct sctp_getaddrs getaddrs;
......@@ -2317,7 +2384,7 @@ static int sctp_getsockopt_default_send_param(struct sock *sk,
int len, char *optval, int *optlen)
{
struct sctp_sndrcvinfo info;
sctp_association_t *asoc;
struct sctp_association *asoc;
if (len != sizeof(struct sctp_sndrcvinfo))
return -EINVAL;
......@@ -2350,7 +2417,7 @@ static int sctp_getsockopt_default_send_param(struct sock *sk,
* integer boolean flag.
*/
static int sctp_getsockopt_nodelay(struct sock *sk, int len,
static int sctp_getsockopt_nodelay(struct sock *sk, int len,
char *optval, int *optlen)
{
__u8 val;
......@@ -2418,7 +2485,7 @@ SCTP_STATIC int sctp_getsockopt(struct sock *sk, int level, int optname,
retval = sctp_getsockopt_initmsg(sk, len, optval, optlen);
break;
case SCTP_GET_PEER_ADDRS_NUM:
retval = sctp_getsockopt_peer_addrs_num(sk, len, optval,
retval = sctp_getsockopt_peer_addrs_num(sk, len, optval,
optlen);
break;
case SCTP_GET_LOCAL_ADDRS_NUM:
......@@ -2553,7 +2620,7 @@ static long sctp_get_port_local(struct sock *sk, union sctp_addr *addr)
}
if (pp != NULL && pp->sk != NULL) {
if (pp && pp->sk) {
/* We had a port hash table hit - there is an
* available port (pp != NULL) and it is being
* used by other socket (pp->sk != NULL); that other
......@@ -2578,7 +2645,7 @@ static long sctp_get_port_local(struct sock *sk, union sctp_addr *addr)
* in an endpoint.
*/
for ( ; sk2 != NULL; sk2 = sk2->bind_next) {
sctp_endpoint_t *ep2;
struct sctp_endpoint *ep2;
ep2 = sctp_sk(sk2)->ep;
if (sk_reuse && sk2->reuse)
......@@ -2601,18 +2668,17 @@ static long sctp_get_port_local(struct sock *sk, union sctp_addr *addr)
/* If there was a hash table miss, create a new port. */
ret = 1;
if (pp == NULL && (pp = sctp_bucket_create(head, snum)) == NULL)
if (!pp && !(pp = sctp_bucket_create(head, snum)))
goto fail_unlock;
/* In either case (hit or miss), make sure fastreuse is 1 only
* if sk->reuse is too (that is, if the caller requested
* SO_REUSEADDR on this socket -sk-).
*/
if (pp->sk == NULL) {
if (!pp->sk)
pp->fastreuse = sk->reuse ? 1 : 0;
} else if (pp->fastreuse && sk->reuse == 0) {
else if (pp->fastreuse && sk->reuse == 0)
pp->fastreuse = 0;
}
/* We are set, so fill up all the data in the hash table
* entry, tie the socket list information with the rest of the
......@@ -2669,7 +2735,7 @@ static int sctp_get_port(struct sock *sk, unsigned short snum)
SCTP_STATIC int sctp_seqpacket_listen(struct sock *sk, int backlog)
{
struct sctp_opt *sp = sctp_sk(sk);
sctp_endpoint_t *ep = sp->ep;
struct sctp_endpoint *ep = sp->ep;
/* Only UDP style sockets that are not peeled off are allowed to
* listen().
......@@ -2702,13 +2768,13 @@ SCTP_STATIC int sctp_seqpacket_listen(struct sock *sk, int backlog)
/*
* 4.1.3 listen() - TCP Style Syntax
*
* Applications uses listen() to ready the SCTP endpoint for accepting
* Applications uses listen() to ready the SCTP endpoint for accepting
* inbound associations.
*/
SCTP_STATIC int sctp_stream_listen(struct sock *sk, int backlog)
{
struct sctp_opt *sp = sctp_sk(sk);
sctp_endpoint_t *ep = sp->ep;
struct sctp_endpoint *ep = sp->ep;
if (sk->state == SCTP_SS_LISTENING)
return 0;
......@@ -2739,15 +2805,25 @@ SCTP_STATIC int sctp_stream_listen(struct sock *sk, int backlog)
int sctp_inet_listen(struct socket *sock, int backlog)
{
struct sock *sk = sock->sk;
int err;
struct crypto_tfm *tfm=NULL;
int err = -EINVAL;
if (unlikely(backlog < 0))
goto out;
sctp_lock_sock(sk);
err = -EINVAL;
if (sock->state != SS_UNCONNECTED)
goto out;
if (unlikely(backlog < 0))
goto out;
/* Allocate HMAC for generating cookie. */
if (sctp_hmac_alg) {
tfm = sctp_crypto_alloc_tfm(sctp_hmac_alg, 0);
if (!tfm) {
err = -ENOSYS;
goto out;
}
}
switch (sock->type) {
case SOCK_SEQPACKET:
......@@ -2756,14 +2832,21 @@ int sctp_inet_listen(struct socket *sock, int backlog)
case SOCK_STREAM:
err = sctp_stream_listen(sk, backlog);
break;
default:
goto out;
break;
};
if (err)
goto cleanup;
/* Store away the transform reference. */
sctp_sk(sk)->hmac = tfm;
out:
sctp_release_sock(sk);
return err;
cleanup:
if (tfm)
sctp_crypto_free_tfm(tfm);
goto out;
}
/*
......@@ -2967,7 +3050,7 @@ SCTP_STATIC int sctp_msghdr_parse(const struct msghdr *msg,
/* Strictly check lengths following example in SCM code. */
switch (cmsg->cmsg_type) {
case SCTP_INIT:
/* SCTP Socket API Extension (draft 1)
/* SCTP Socket API Extension
* 5.2.1 SCTP Initiation Structure (SCTP_INIT)
*
* This cmsghdr structure provides information for
......@@ -2987,7 +3070,7 @@ SCTP_STATIC int sctp_msghdr_parse(const struct msghdr *msg,
break;
case SCTP_SNDRCV:
/* SCTP Socket API Extension (draft 1)
/* SCTP Socket API Extension
* 5.2.2 SCTP Header Information Structure(SCTP_SNDRCV)
*
* This cmsghdr structure specifies SCTP options for
......@@ -3002,7 +3085,8 @@ SCTP_STATIC int sctp_msghdr_parse(const struct msghdr *msg,
CMSG_LEN(sizeof(struct sctp_sndrcvinfo)))
return -EINVAL;
cmsgs->info = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
cmsgs->info =
(struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
/* Minimally, validate the sinfo_flags. */
if (cmsgs->info->sinfo_flags &
......@@ -3085,13 +3169,14 @@ static int sctp_wait_for_packet(struct sock * sk, int *err, long *timeo_p)
* Note: This is pretty much the same routine as in core/datagram.c
* with a few changes to make lksctp work.
*/
static struct sk_buff *sctp_skb_recv_datagram(struct sock *sk, int flags, int noblock, int *err)
static struct sk_buff *sctp_skb_recv_datagram(struct sock *sk, int flags,
int noblock, int *err)
{
int error;
struct sk_buff *skb;
long timeo;
/* Caller is allowed not to check sk->err before skb_recv_datagram() */
/* Caller is allowed not to check sk->err before calling. */
error = sock_error(sk);
if (error)
goto no_packet;
......@@ -3126,6 +3211,9 @@ static struct sk_buff *sctp_skb_recv_datagram(struct sock *sk, int flags, int no
if (skb)
return skb;
if (sk->shutdown & RCV_SHUTDOWN)
break;
/* User doesn't want to wait. */
error = -EAGAIN;
if (!timeo)
......@@ -3140,7 +3228,7 @@ static struct sk_buff *sctp_skb_recv_datagram(struct sock *sk, int flags, int no
}
/* Verify that this is a valid address. */
static inline int sctp_verify_addr(struct sock *sk, union sctp_addr *addr,
static inline int sctp_verify_addr(struct sock *sk, union sctp_addr *addr,
int len)
{
struct sctp_af *af;
......@@ -3161,7 +3249,7 @@ static inline int sctp_verify_addr(struct sock *sk, union sctp_addr *addr,
}
/* Get the sndbuf space available at the time on the association. */
static inline int sctp_wspace(sctp_association_t *asoc)
static inline int sctp_wspace(struct sctp_association *asoc)
{
struct sock *sk = asoc->base.sk;
int amt = 0;
......@@ -3183,7 +3271,7 @@ static inline int sctp_wspace(sctp_association_t *asoc)
*/
static inline void sctp_set_owner_w(sctp_chunk_t *chunk)
{
sctp_association_t *asoc = chunk->asoc;
struct sctp_association *asoc = chunk->asoc;
struct sock *sk = asoc->base.sk;
/* The sndbuf space is tracked per association. */
......@@ -3198,7 +3286,7 @@ static inline void sctp_set_owner_w(sctp_chunk_t *chunk)
}
/* If sndbuf has changed, wake up per association sndbuf waiters. */
static void __sctp_write_space(sctp_association_t *asoc)
static void __sctp_write_space(struct sctp_association *asoc)
{
struct sock *sk = asoc->base.sk;
struct socket *sock = sk->socket;
......@@ -3228,7 +3316,7 @@ static void __sctp_write_space(sctp_association_t *asoc)
*/
static void sctp_wfree(struct sk_buff *skb)
{
sctp_association_t *asoc;
struct sctp_association *asoc;
sctp_chunk_t *chunk;
struct sock *sk;
......@@ -3244,7 +3332,7 @@ static void sctp_wfree(struct sk_buff *skb)
}
/* Helper function to wait for space in the sndbuf. */
static int sctp_wait_for_sndbuf(sctp_association_t *asoc, long *timeo_p,
static int sctp_wait_for_sndbuf(struct sctp_association *asoc, long *timeo_p,
int msg_len)
{
struct sock *sk = asoc->base.sk;
......@@ -3307,12 +3395,12 @@ static int sctp_wait_for_sndbuf(sctp_association_t *asoc, long *timeo_p,
/* If socket sndbuf has changed, wake up all per association waiters. */
void sctp_write_space(struct sock *sk)
{
sctp_association_t *asoc;
struct sctp_association *asoc;
struct list_head *pos;
/* Wake up the tasks in each wait queue. */
list_for_each(pos, &((sctp_sk(sk))->ep->asocs)) {
asoc = list_entry(pos, sctp_association_t, asocs);
asoc = list_entry(pos, struct sctp_association, asocs);
__sctp_write_space(asoc);
}
}
......@@ -3341,7 +3429,7 @@ static int sctp_writeable(struct sock *sk)
/* Wait for an association to go into ESTABLISHED state. If timeout is 0,
* returns immediately with EINPROGRESS.
*/
static int sctp_wait_for_connect(sctp_association_t *asoc, long *timeo_p)
static int sctp_wait_for_connect(struct sctp_association *asoc, long *timeo_p)
{
struct sock *sk = asoc->base.sk;
int err = 0;
......@@ -3360,6 +3448,8 @@ static int sctp_wait_for_connect(sctp_association_t *asoc, long *timeo_p)
__set_current_state(TASK_INTERRUPTIBLE);
if (!*timeo_p)
goto do_nonblock;
if (sk->shutdown & RCV_SHUTDOWN)
break;
if (sk->err || asoc->state >= SCTP_STATE_SHUTDOWN_PENDING ||
asoc->base.dead)
goto do_error;
......@@ -3443,15 +3533,16 @@ static int sctp_wait_for_accept(struct sock *sk, long timeo)
return err;
}
/* Populate the fields of the newsk from the oldsk and migrate the assoc
/* Populate the fields of the newsk from the oldsk and migrate the assoc
* and its messages to the newsk.
*/
void sctp_sock_migrate(struct sock *oldsk, struct sock *newsk,
struct sctp_association *assoc, sctp_socket_type_t type)
*/
static void sctp_sock_migrate(struct sock *oldsk, struct sock *newsk,
struct sctp_association *assoc,
sctp_socket_type_t type)
{
struct sctp_opt *oldsp = sctp_sk(oldsk);
struct sctp_opt *newsp = sctp_sk(newsk);
sctp_endpoint_t *newep = newsp->ep;
struct sctp_endpoint *newep = newsp->ep;
struct sk_buff *skb, *tmp;
struct sctp_ulpevent *event;
......@@ -3466,6 +3557,7 @@ void sctp_sock_migrate(struct sock *oldsk, struct sock *newsk,
* copy.
*/
newsp->ep = newep;
newsp->hmac = NULL;
/* Move any messages in the old socket's receive queue that are for the
* peeled off association to the new socket's receive queue.
......@@ -3526,7 +3618,7 @@ void sctp_sock_migrate(struct sock *oldsk, struct sock *newsk,
newsk->state = SCTP_SS_ESTABLISHED;
}
/* This proto struct describes the ULP interface for SCTP. */
struct proto sctp_prot = {
.name = "SCTP",
......
net/sctp/ssnmap.c
View file @ 6a074a55
......@@ -53,11 +53,11 @@ static inline size_t sctp_ssnmap_size(__u16 in, __u16 out)
/* Create a new sctp_ssnmap.
* Allocate room to store at least 'len' contiguous TSNs.
*/
struct sctp_ssnmap *sctp_ssnmap_new(__u16 in, __u16 out, int priority)
struct sctp_ssnmap *sctp_ssnmap_new(__u16 in, __u16 out, int gfp)
{
struct sctp_ssnmap *retval;
retval = kmalloc(sctp_ssnmap_size(in, out), priority);
retval = kmalloc(sctp_ssnmap_size(in, out), gfp);
if (!retval)
goto fail;
......
net/sctp/transport.c
View file @ 6a074a55
......@@ -54,16 +54,15 @@
/* 1st Level Abstractions. */
/* Allocate and initialize a new transport. */
struct sctp_transport *sctp_transport_new(const union sctp_addr *addr,
int priority)
struct sctp_transport *sctp_transport_new(const union sctp_addr *addr, int gfp)
{
struct sctp_transport *transport;
transport = t_new(struct sctp_transport, priority);
transport = t_new(struct sctp_transport, gfp);
if (!transport)
goto fail;
if (!sctp_transport_init(transport, addr, priority))
if (!sctp_transport_init(transport, addr, gfp))
goto fail_init;
transport->malloced = 1;
......@@ -81,7 +80,7 @@ struct sctp_transport *sctp_transport_new(const union sctp_addr *addr,
/* Intialize a new transport from provided memory. */
struct sctp_transport *sctp_transport_init(struct sctp_transport *peer,
const union sctp_addr *addr,
int priority)
int gfp)
{
struct sctp_protocol *proto = sctp_get_protocol();
......@@ -199,13 +198,13 @@ void sctp_transport_reset_timers(struct sctp_transport *transport)
* Register the reference count in the association.
*/
void sctp_transport_set_owner(struct sctp_transport *transport,
sctp_association_t *asoc)
struct sctp_association *asoc)
{
transport->asoc = asoc;
sctp_association_hold(asoc);
}
/* Initialize the pmtu of a transport. */
/* Initialize the pmtu of a transport. */
void sctp_transport_pmtu(struct sctp_transport *transport)
{
struct dst_entry *dst;
......@@ -225,7 +224,7 @@ void sctp_transport_pmtu(struct sctp_transport *transport)
void sctp_transport_route(struct sctp_transport *transport,
union sctp_addr *saddr, struct sctp_opt *opt)
{
sctp_association_t *asoc = transport->asoc;
struct sctp_association *asoc = transport->asoc;
struct sctp_af *af = transport->af_specific;
union sctp_addr *daddr = &transport->ipaddr;
struct dst_entry *dst;
......@@ -238,9 +237,15 @@ void sctp_transport_route(struct sctp_transport *transport,
af->get_saddr(asoc, dst, daddr, &transport->saddr);
transport->dst = dst;
if (dst)
if (dst) {
transport->pmtu = dst_pmtu(dst);
else
/* Initialize sk->rcv_saddr, if the transport is the
* association's active path for getsockname().
*/
if (asoc && (transport == asoc->peer.active_path))
af->to_sk_saddr(&transport->saddr, asoc->base.sk);
} else
transport->pmtu = SCTP_DEFAULT_MAXSEGMENT;
}
......@@ -359,7 +364,7 @@ void sctp_transport_raise_cwnd(struct sctp_transport *transport,
* two conditions are met can the cwnd be increased otherwise
* the cwnd MUST not be increased. If these conditions are met
* then cwnd MUST be increased by at most the lesser of
* 1) the total size of the previously outstanding DATA
* 1) the total size of the previously outstanding DATA
* chunk(s) acknowledged, and 2) the destination's path MTU.
*/
if (bytes_acked > pmtu)
......@@ -373,17 +378,17 @@ void sctp_transport_raise_cwnd(struct sctp_transport *transport,
transport, bytes_acked, cwnd,
ssthresh, flight_size, pba);
} else {
/* RFC 2960 7.2.2 Whenever cwnd is greater than ssthresh,
* upon each SACK arrival that advances the Cumulative TSN Ack
* Point, increase partial_bytes_acked by the total number of
* bytes of all new chunks acknowledged in that SACK including
* chunks acknowledged by the new Cumulative TSN Ack and by
/* RFC 2960 7.2.2 Whenever cwnd is greater than ssthresh,
* upon each SACK arrival that advances the Cumulative TSN Ack
* Point, increase partial_bytes_acked by the total number of
* bytes of all new chunks acknowledged in that SACK including
* chunks acknowledged by the new Cumulative TSN Ack and by
* Gap Ack Blocks.
*
* When partial_bytes_acked is equal to or greater than cwnd
* and before the arrival of the SACK the sender had cwnd or
* more bytes of data outstanding (i.e., before arrival of the
* SACK, flightsize was greater than or equal to cwnd),
* When partial_bytes_acked is equal to or greater than cwnd
* and before the arrival of the SACK the sender had cwnd or
* more bytes of data outstanding (i.e., before arrival of the
* SACK, flightsize was greater than or equal to cwnd),
* increase cwnd by MTU, and reset partial_bytes_acked to
* (partial_bytes_acked - cwnd).
*/
......
net/sctp/tsnmap.c
View file @ 6a074a55
......@@ -55,13 +55,12 @@ static void sctp_tsnmap_find_gap_ack(__u8 *map, __u16 off,
/* Create a new sctp_tsnmap.
* Allocate room to store at least 'len' contiguous TSNs.
*/
struct sctp_tsnmap *sctp_tsnmap_new(__u16 len, __u32 initial_tsn, int priority)
struct sctp_tsnmap *sctp_tsnmap_new(__u16 len, __u32 initial_tsn, int gfp)
{
struct sctp_tsnmap *retval;
retval = kmalloc(sizeof(struct sctp_tsnmap) +
sctp_tsnmap_storage_size(len),
priority);
sctp_tsnmap_storage_size(len), gfp);
if (!retval)
goto fail;
......
net/sctp/ulpevent.c
View file @ 6a074a55
......@@ -52,12 +52,12 @@ static void sctp_ulpevent_set_owner(struct sk_buff *skb,
const struct sctp_association *asoc);
/* Create a new sctp_ulpevent. */
struct sctp_ulpevent *sctp_ulpevent_new(int size, int msg_flags, int priority)
struct sctp_ulpevent *sctp_ulpevent_new(int size, int msg_flags, int gfp)
{
struct sctp_ulpevent *event;
struct sk_buff *skb;
skb = alloc_skb(size, priority);
skb = alloc_skb(size, gfp);
if (!skb)
goto fail;
......@@ -106,16 +106,16 @@ int sctp_ulpevent_is_notification(const struct sctp_ulpevent *event)
* zero'd out.
*/
struct sctp_ulpevent *sctp_ulpevent_make_assoc_change(
const sctp_association_t *asoc,
const struct sctp_association *asoc,
__u16 flags, __u16 state, __u16 error, __u16 outbound,
__u16 inbound, int priority)
__u16 inbound, int gfp)
{
struct sctp_ulpevent *event;
struct sctp_assoc_change *sac;
struct sk_buff *skb;
event = sctp_ulpevent_new(sizeof(struct sctp_assoc_change),
MSG_NOTIFICATION, priority);
MSG_NOTIFICATION, gfp);
if (!event)
goto fail;
skb = sctp_event2skb(event);
......@@ -207,15 +207,16 @@ struct sctp_ulpevent *sctp_ulpevent_make_assoc_change(
* an interface details event is sent.
*/
struct sctp_ulpevent *sctp_ulpevent_make_peer_addr_change(
const sctp_association_t *asoc, const struct sockaddr_storage *aaddr,
int flags, int state, int error, int priority)
const struct sctp_association *asoc,
const struct sockaddr_storage *aaddr,
int flags, int state, int error, int gfp)
{
struct sctp_ulpevent *event;
struct sctp_paddr_change *spc;
struct sk_buff *skb;
event = sctp_ulpevent_new(sizeof(struct sctp_paddr_change),
MSG_NOTIFICATION, priority);
MSG_NOTIFICATION, gfp);
if (!event)
goto fail;
......@@ -315,8 +316,8 @@ struct sctp_ulpevent *sctp_ulpevent_make_peer_addr_change(
* error formats.
*/
struct sctp_ulpevent *sctp_ulpevent_make_remote_error(
const sctp_association_t *asoc, sctp_chunk_t *chunk,
__u16 flags, int priority)
const struct sctp_association *asoc, sctp_chunk_t *chunk,
__u16 flags, int gfp)
{
struct sctp_ulpevent *event;
struct sctp_remote_error *sre;
......@@ -338,7 +339,7 @@ struct sctp_ulpevent *sctp_ulpevent_make_remote_error(
skb = skb_copy_expand(chunk->skb,
sizeof(struct sctp_remote_error), /* headroom */
0, /* tailroom */
priority);
gfp);
/* Pull off the rest of the cause TLV from the chunk. */
skb_pull(chunk->skb, elen);
......@@ -419,8 +420,8 @@ struct sctp_ulpevent *sctp_ulpevent_make_remote_error(
* 5.3.1.4 SCTP_SEND_FAILED
*/
struct sctp_ulpevent *sctp_ulpevent_make_send_failed(
const sctp_association_t *asoc, sctp_chunk_t *chunk,
__u16 flags, __u32 error, int priority)
const struct sctp_association *asoc, sctp_chunk_t *chunk,
__u16 flags, __u32 error, int gfp)
{
struct sctp_ulpevent *event;
struct sctp_send_failed *ssf;
......@@ -430,7 +431,7 @@ struct sctp_ulpevent *sctp_ulpevent_make_send_failed(
skb = skb_copy_expand(chunk->skb,
sizeof(struct sctp_send_failed), /* headroom */
0, /* tailroom */
priority);
gfp);
if (!skb)
goto fail;
......@@ -521,15 +522,15 @@ struct sctp_ulpevent *sctp_ulpevent_make_send_failed(
* 5.3.1.5 SCTP_SHUTDOWN_EVENT
*/
struct sctp_ulpevent *sctp_ulpevent_make_shutdown_event(
const sctp_association_t *asoc,
__u16 flags, int priority)
const struct sctp_association *asoc,
__u16 flags, int gfp)
{
struct sctp_ulpevent *event;
struct sctp_shutdown_event *sse;
struct sk_buff *skb;
event = sctp_ulpevent_new(sizeof(struct sctp_assoc_change),
MSG_NOTIFICATION, priority);
MSG_NOTIFICATION, gfp);
if (!event)
goto fail;
......@@ -586,8 +587,8 @@ struct sctp_ulpevent *sctp_ulpevent_make_shutdown_event(
* Socket Extensions for SCTP
* 5.2.2 SCTP Header Information Structure (SCTP_SNDRCV)
*/
struct sctp_ulpevent *sctp_ulpevent_make_rcvmsg(sctp_association_t *asoc,
sctp_chunk_t *chunk, int priority)
struct sctp_ulpevent *sctp_ulpevent_make_rcvmsg(struct sctp_association *asoc,
sctp_chunk_t *chunk, int gfp)
{
struct sctp_ulpevent *event;
struct sctp_sndrcvinfo *info;
......@@ -595,7 +596,7 @@ struct sctp_ulpevent *sctp_ulpevent_make_rcvmsg(sctp_association_t *asoc,
size_t padding, len;
/* Clone the original skb, sharing the data. */
skb = skb_clone(chunk->skb, priority);
skb = skb_clone(chunk->skb, gfp);
if (!skb)
goto fail;
......@@ -631,7 +632,7 @@ struct sctp_ulpevent *sctp_ulpevent_make_rcvmsg(sctp_association_t *asoc,
event->iif = sctp_chunk_iif(chunk);
/* Note: Not clearing the entire event struct as
* this is just a fragment of the real event. However,
* we still need to do rwnd accounting.
* we still need to do rwnd accounting.
*/
for (list = skb_shinfo(skb)->frag_list; list; list = list->next)
sctp_ulpevent_set_owner_r(list, asoc);
......@@ -690,16 +691,16 @@ struct sctp_ulpevent *sctp_ulpevent_make_rcvmsg(sctp_association_t *asoc,
info->sinfo_flags |= MSG_UNORDERED;
/* sinfo_cumtsn: 32 bit (unsigned integer)
*
* This field will hold the current cumulative TSN as
* known by the underlying SCTP layer. Note this field is
* ignored when sending and only valid for a receive
*
* This field will hold the current cumulative TSN as
* known by the underlying SCTP layer. Note this field is
* ignored when sending and only valid for a receive
* operation when sinfo_flags are set to MSG_UNORDERED.
*/
info->sinfo_cumtsn = sctp_tsnmap_get_ctsn(&asoc->peer.tsn_map);
}
/* Note: For reassembly, we need to have the fragmentation bits.
/* Note: For reassembly, we need to have the fragmentation bits.
* For now, merge these into the msg_flags, since those bit
* possitions are not used.
*/
......@@ -732,7 +733,7 @@ struct sctp_ulpevent *sctp_ulpevent_make_rcvmsg(sctp_association_t *asoc,
return NULL;
}
/* Create a partial delivery related event.
/* Create a partial delivery related event.
*
* 5.3.1.7 SCTP_PARTIAL_DELIVERY_EVENT
*
......@@ -741,14 +742,14 @@ struct sctp_ulpevent *sctp_ulpevent_make_rcvmsg(sctp_association_t *asoc,
* various events.
*/
struct sctp_ulpevent *sctp_ulpevent_make_pdapi(
const sctp_association_t *asoc, __u32 indication, int priority)
const struct sctp_association *asoc, __u32 indication, int gfp)
{
struct sctp_ulpevent *event;
struct sctp_rcv_pdapi_event *pd;
struct sk_buff *skb;
event = sctp_ulpevent_new(sizeof(struct sctp_assoc_change),
MSG_NOTIFICATION, priority);
MSG_NOTIFICATION, gfp);
if (!event)
goto fail;
......@@ -780,7 +781,7 @@ struct sctp_ulpevent *sctp_ulpevent_make_pdapi(
pd->pdapi_indication = indication;
/* pdapi_assoc_id: sizeof (sctp_assoc_t)
*
*
* The association id field, holds the identifier for the association.
*/
pd->pdapi_assoc_id = sctp_assoc2id(asoc);
......@@ -817,7 +818,7 @@ void sctp_ulpevent_read_sndrcvinfo(const struct sctp_ulpevent *event,
/* Do accounting for bytes just read by user. */
static void sctp_rcvmsg_rfree(struct sk_buff *skb)
{
sctp_association_t *asoc;
struct sctp_association *asoc;
struct sctp_ulpevent *event;
/* Current stack structures assume that the rcv buffer is
......@@ -834,7 +835,7 @@ static void sctp_rcvmsg_rfree(struct sk_buff *skb)
/* Charge receive window for bytes received. */
static void sctp_ulpevent_set_owner_r(struct sk_buff *skb,
sctp_association_t *asoc)
struct sctp_association *asoc)
{
struct sctp_ulpevent *event;
......
net/sctp/ulpqueue.c
View file @ 6a074a55
......@@ -57,11 +57,11 @@ static inline struct sctp_ulpevent *sctp_ulpq_order(struct sctp_ulpq *,
/* 1st Level Abstractions */
/* Create a new ULP queue. */
struct sctp_ulpq *sctp_ulpq_new(sctp_association_t *asoc, int priority)
struct sctp_ulpq *sctp_ulpq_new(struct sctp_association *asoc, int gfp)
{
struct sctp_ulpq *ulpq;
ulpq = kmalloc(sizeof(struct sctp_ulpq), priority);
ulpq = kmalloc(sizeof(struct sctp_ulpq), gfp);
if (!ulpq)
goto fail;
if (!sctp_ulpq_init(ulpq, asoc))
......@@ -77,7 +77,7 @@ struct sctp_ulpq *sctp_ulpq_new(sctp_association_t *asoc, int priority)
/* Initialize a ULP queue from a block of memory. */
struct sctp_ulpq *sctp_ulpq_init(struct sctp_ulpq *ulpq,
sctp_association_t *asoc)
struct sctp_association *asoc)
{
memset(ulpq, sizeof(struct sctp_ulpq), 0x00);
......@@ -119,7 +119,7 @@ void sctp_ulpq_free(struct sctp_ulpq *ulpq)
/* Process an incoming DATA chunk. */
int sctp_ulpq_tail_data(struct sctp_ulpq *ulpq, sctp_chunk_t *chunk,
int priority)
int gfp)
{
struct sk_buff_head temp;
sctp_data_chunk_t *hdr;
......@@ -128,7 +128,7 @@ int sctp_ulpq_tail_data(struct sctp_ulpq *ulpq, sctp_chunk_t *chunk,
hdr = (sctp_data_chunk_t *) chunk->chunk_hdr;
/* Create an event from the incoming chunk. */
event = sctp_ulpevent_make_rcvmsg(chunk->asoc, chunk, priority);
event = sctp_ulpevent_make_rcvmsg(chunk->asoc, chunk, gfp);
if (!event)
return -ENOMEM;
......@@ -253,6 +253,21 @@ static inline void sctp_ulpq_store_reasm(struct sctp_ulpq *ulpq,
tsn = event->sndrcvinfo.sinfo_tsn;
/* See if it belongs at the end. */
pos = skb_peek_tail(&ulpq->reasm);
if (!pos) {
__skb_queue_tail(&ulpq->reasm, sctp_event2skb(event));
return;
}
/* Short circuit just dropping it at the end. */
cevent = sctp_skb2event(pos);
ctsn = cevent->sndrcvinfo.sinfo_tsn;
if (TSN_lt(ctsn, tsn)) {
__skb_queue_tail(&ulpq->reasm, sctp_event2skb(event));
return;
}
/* Find the right place in this list. We store them by TSN. */
skb_queue_walk(&ulpq->reasm, pos) {
cevent = sctp_skb2event(pos);
......@@ -262,12 +277,9 @@ static inline void sctp_ulpq_store_reasm(struct sctp_ulpq *ulpq,
break;
}
/* If the queue is empty, we have a different function to call. */
if (skb_peek(&ulpq->reasm))
__skb_insert(sctp_event2skb(event), pos->prev, pos,
&ulpq->reasm);
else
__skb_queue_tail(&ulpq->reasm, sctp_event2skb(event));
/* Insert before pos. */
__skb_insert(sctp_event2skb(event), pos->prev, pos, &ulpq->reasm);
}
/* Helper function to return an event corresponding to the reassembled
......@@ -592,8 +604,27 @@ static inline void sctp_ulpq_store_ordered(struct sctp_ulpq *ulpq,
__u16 sid, csid;
__u16 ssn, cssn;
pos = skb_peek_tail(&ulpq->lobby);
if (!pos) {
__skb_queue_tail(&ulpq->lobby, sctp_event2skb(event));
return;
}
sid = event->sndrcvinfo.sinfo_stream;
ssn = event->sndrcvinfo.sinfo_ssn;
cevent = (struct sctp_ulpevent *) pos->cb;
csid = cevent->sndrcvinfo.sinfo_stream;
cssn = cevent->sndrcvinfo.sinfo_ssn;
if (sid > csid) {
__skb_queue_tail(&ulpq->lobby, sctp_event2skb(event));
return;
}
if ((sid == csid) && SSN_lt(cssn, ssn)) {
__skb_queue_tail(&ulpq->lobby, sctp_event2skb(event));
return;
}
/* Find the right place in this list. We store them by
* stream ID and then by SSN.
......@@ -609,12 +640,10 @@ static inline void sctp_ulpq_store_ordered(struct sctp_ulpq *ulpq,
break;
}
/* If the queue is empty, we have a different function to call. */
if (skb_peek(&ulpq->lobby))
__skb_insert(sctp_event2skb(event), pos->prev, pos,
&ulpq->lobby);
else
__skb_queue_tail(&ulpq->lobby, sctp_event2skb(event));
/* Insert before pos. */
__skb_insert(sctp_event2skb(event), pos->prev, pos, &ulpq->lobby);
}
static inline struct sctp_ulpevent *sctp_ulpq_order(struct sctp_ulpq *ulpq,
......@@ -705,7 +734,7 @@ static __u16 sctp_ulpq_renege_frags(struct sctp_ulpq *ulpq, __u16 needed)
/* Partial deliver the first message as there is pressure on rwnd. */
void sctp_ulpq_partial_delivery(struct sctp_ulpq *ulpq,
struct sctp_chunk *chunk, int priority)
struct sctp_chunk *chunk, int gfp)
{
struct sctp_ulpevent *event;
struct sctp_association *asoc;
......@@ -729,7 +758,7 @@ void sctp_ulpq_partial_delivery(struct sctp_ulpq *ulpq,
/* Renege some packets to make room for an incoming chunk. */
void sctp_ulpq_renege(struct sctp_ulpq *ulpq, struct sctp_chunk *chunk,
int priority)
int gfp)
{
struct sctp_association *asoc;
__u16 needed, freed;
......@@ -755,9 +784,9 @@ void sctp_ulpq_renege(struct sctp_ulpq *ulpq, struct sctp_chunk *chunk,
__u32 tsn;
tsn = ntohl(chunk->subh.data_hdr->tsn);
sctp_tsnmap_mark(&asoc->peer.tsn_map, tsn);
sctp_ulpq_tail_data(ulpq, chunk, priority);
sctp_ulpq_tail_data(ulpq, chunk, gfp);
sctp_ulpq_partial_delivery(ulpq, chunk, priority);
sctp_ulpq_partial_delivery(ulpq, chunk, gfp);
}
return;
......@@ -768,7 +797,7 @@ void sctp_ulpq_renege(struct sctp_ulpq *ulpq, struct sctp_chunk *chunk,
/* Notify the application if an association is aborted and in
* partial delivery mode. Send up any pending received messages.
*/
void sctp_ulpq_abort_pd(struct sctp_ulpq *ulpq, int priority)
void sctp_ulpq_abort_pd(struct sctp_ulpq *ulpq, int gfp)
{
struct sctp_ulpevent *ev = NULL;
struct sock *sk;
......@@ -781,7 +810,7 @@ void sctp_ulpq_abort_pd(struct sctp_ulpq *ulpq, int priority)
&sctp_sk(sk)->subscribe))
ev = sctp_ulpevent_make_pdapi(ulpq->asoc,
SCTP_PARTIAL_DELIVERY_ABORTED,
priority);
gfp);
if (ev)
__skb_queue_tail(&sk->receive_queue, sctp_event2skb(ev));
......
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