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Commit 551c773f authored by Jon Grimm's avatar Jon Grimm
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Merge touki.austin.ibm.com:/home/jgrimm/bk/lksctp-2.5 

into touki.austin.ibm.com:/home/jgrimm/bk/lksctp-2.5.work
parents a0065b2f 62603506
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Showing with 838 additions and 407 deletions
include/net/sctp/command.h
View file @ 551c773f
......@@ -86,6 +86,7 @@ typedef enum {
SCTP_CMD_PURGE_OUTQUEUE, /* Purge all data waiting to be sent. */
SCTP_CMD_SETUP_T2, /* Hi-level, setup T2-shutdown parms. */
SCTP_CMD_RTO_PENDING, /* Set transport's rto_pending. */
SCTP_CMD_CHUNK_PD, /* Partial data delivery considerations. */
SCTP_CMD_LAST
} sctp_verb_t;
......@@ -115,7 +116,7 @@ typedef union {
struct sctp_transport *transport;
sctp_bind_addr_t *bp;
sctp_init_chunk_t *init;
sctp_ulpevent_t *ulpevent;
struct sctp_ulpevent *ulpevent;
sctp_packet_t *packet;
sctp_sackhdr_t *sackh;
} sctp_arg_t;
......@@ -163,7 +164,7 @@ SCTP_ARG_CONSTRUCTOR(ASOC, sctp_association_t *, asoc)
SCTP_ARG_CONSTRUCTOR(TRANSPORT, struct sctp_transport *, transport)
SCTP_ARG_CONSTRUCTOR(BA, sctp_bind_addr_t *, bp)
SCTP_ARG_CONSTRUCTOR(PEER_INIT, sctp_init_chunk_t *, init)
SCTP_ARG_CONSTRUCTOR(ULPEVENT, sctp_ulpevent_t *, ulpevent)
SCTP_ARG_CONSTRUCTOR(ULPEVENT, struct sctp_ulpevent *, ulpevent)
SCTP_ARG_CONSTRUCTOR(PACKET, sctp_packet_t *, packet)
SCTP_ARG_CONSTRUCTOR(SACKH, sctp_sackhdr_t *, sackh)
......
include/net/sctp/structs.h
View file @ 551c773f
......@@ -2,7 +2,7 @@
* Copyright (c) 1999-2000 Cisco, Inc.
* Copyright (c) 1999-2001 Motorola, Inc.
* Copyright (c) 2001 Intel Corp.
* Copyright (c) 2001-2002 International Business Machines Corp.
* Copyright (c) 2001-2003 International Business Machines Corp.
*
* This file is part of the SCTP kernel reference Implementation
*
......@@ -105,27 +105,25 @@ union sctp_addr {
/* Forward declarations for data structures. */
struct sctp_protocol;
struct SCTP_endpoint;
struct SCTP_association;
struct sctp_endpoint;
struct sctp_association;
struct sctp_transport;
struct SCTP_packet;
struct SCTP_chunk;
struct SCTP_inqueue;
struct sctp_packet;
struct sctp_chunk;
struct sctp_inq;
struct sctp_outq;
struct SCTP_bind_addr;
struct sctp_bind_addr;
struct sctp_ulpq;
struct sctp_opt;
struct sctp_endpoint_common;
struct sctp_ssnmap;
typedef struct sctp_protocol sctp_protocol_t;
typedef struct SCTP_endpoint sctp_endpoint_t;
typedef struct SCTP_association sctp_association_t;
typedef struct SCTP_packet sctp_packet_t;
typedef struct SCTP_chunk sctp_chunk_t;
typedef struct SCTP_inqueue sctp_inqueue_t;
typedef struct SCTP_bind_addr sctp_bind_addr_t;
typedef struct sctp_opt sctp_opt_t;
typedef struct sctp_endpoint sctp_endpoint_t;
typedef struct sctp_association sctp_association_t;
typedef struct sctp_packet sctp_packet_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>
......@@ -250,10 +248,10 @@ struct sctp_af {
int optname,
char *optval,
int *optlen);
struct dst_entry *(*get_dst) (sctp_association_t *asoc,
struct dst_entry *(*get_dst) (struct sctp_association *asoc,
union sctp_addr *daddr,
union sctp_addr *saddr);
void (*get_saddr) (sctp_association_t *asoc,
void (*get_saddr) (struct sctp_association *asoc,
struct dst_entry *dst,
union sctp_addr *daddr,
union sctp_addr *saddr);
......@@ -289,7 +287,7 @@ int sctp_register_af(struct sctp_af *);
/* Protocol family functions. */
struct sctp_pf {
void (*event_msgname)(sctp_ulpevent_t *, char *, int *);
void (*event_msgname)(struct sctp_ulpevent *, char *, int *);
void (*skb_msgname) (struct sk_buff *, char *, int *);
int (*af_supported) (sa_family_t);
int (*cmp_addr) (const union sctp_addr *,
......@@ -311,6 +309,9 @@ struct sctp_opt {
/* What kind of a socket is this? */
sctp_socket_type_t type;
/* PF_ family specific functions. */
struct sctp_pf *pf;
/* What is our base endpointer? */
sctp_endpoint_t *ep;
......@@ -324,7 +325,10 @@ struct sctp_opt {
__u32 autoclose;
__u8 nodelay;
__u8 disable_fragments;
struct sctp_pf *pf;
__u8 pd_mode;
/* Receive to here while partial delivery is in effect. */
struct sk_buff_head pd_lobby;
};
......@@ -484,7 +488,7 @@ static inline __u16 sctp_ssn_next(struct sctp_stream *stream, __u16 id)
* As a matter of convenience, we remember the SCTP common header for
* each chunk as well as a few other header pointers...
*/
struct SCTP_chunk {
struct sctp_chunk {
/* These first three elements MUST PRECISELY match the first
* three elements of struct sk_buff. This allows us to reuse
* all the skb_* queue management functions.
......@@ -594,7 +598,7 @@ typedef sctp_chunk_t *(sctp_packet_phandler_t)(sctp_association_t *);
/* This structure holds lists of chunks as we are assembling for
* transmission.
*/
struct SCTP_packet {
struct sctp_packet {
/* These are the SCTP header values (host order) for the packet. */
__u16 source_port;
__u16 destination_port;
......@@ -846,8 +850,8 @@ unsigned long sctp_transport_timeout(struct sctp_transport *);
/* This is the structure we use to queue packets as they come into
* SCTP. We write packets to it and read chunks from it.
*/
struct SCTP_inqueue {
/* This is actually a queue of sctp_chunk_t each
struct sctp_inq {
/* This is actually a queue of sctp_chunk each
* containing a partially decoded packet.
*/
struct sk_buff_head in;
......@@ -864,13 +868,12 @@ struct SCTP_inqueue {
int malloced; /* Is this structure kfree()able? */
};
sctp_inqueue_t *sctp_inqueue_new(void);
void sctp_inqueue_init(sctp_inqueue_t *);
void sctp_inqueue_free(sctp_inqueue_t *);
void sctp_push_inqueue(sctp_inqueue_t *, sctp_chunk_t *packet);
sctp_chunk_t *sctp_pop_inqueue(sctp_inqueue_t *);
void sctp_inqueue_set_th_handler(sctp_inqueue_t *,
void (*)(void *), void *);
struct sctp_inq *sctp_inq_new(void);
void sctp_inq_init(struct sctp_inq *);
void sctp_inq_free(struct sctp_inq *);
void sctp_inq_push(struct sctp_inq *, sctp_chunk_t *packet);
struct sctp_chunk *sctp_inq_pop(struct sctp_inq *);
void sctp_inq_set_th_handler(struct sctp_inq *, void (*)(void *), void *);
/* This is the structure we use to hold outbound chunks. You push
* chunks in and they automatically pop out the other end as bundled
......@@ -954,7 +957,7 @@ void sctp_retransmit_mark(struct sctp_outq *, struct sctp_transport *, __u8);
/* These bind address data fields common between endpoints and associations */
struct SCTP_bind_addr {
struct sctp_bind_addr {
/* RFC 2960 12.1 Parameters necessary for the SCTP instance
*
......@@ -1043,7 +1046,7 @@ struct sctp_endpoint_common {
struct sock *sk;
/* This is where we receive inbound chunks. */
sctp_inqueue_t inqueue;
struct sctp_inq inqueue;
/* This substructure includes the defining parameters of the
* endpoint:
......@@ -1076,7 +1079,7 @@ struct sctp_endpoint_common {
* off one of these.
*/
struct SCTP_endpoint {
struct sctp_endpoint {
/* Common substructure for endpoint and association. */
sctp_endpoint_common_t base;
......@@ -1172,7 +1175,7 @@ __u32 sctp_generate_tsn(const sctp_endpoint_t *ep);
/* Here we have information about each individual association. */
struct SCTP_association {
struct sctp_association {
/* A base structure common to endpoint and association.
* In this context, it represents the associations's view
......@@ -1457,7 +1460,10 @@ struct SCTP_association {
struct {
__u16 stream;
__u16 flags;
__u32 ppid;
__u32 context;
__u32 timetolive;
} defaults;
/* This tracks outbound ssn for a given stream. */
......
include/net/sctp/ulpevent.h
View file @ 551c773f
......@@ -6,34 +6,34 @@
* Copyright (c) 2001 Nokia, Inc.
* Copyright (c) 2001 La Monte H.P. Yarroll
*
* These are the definitions needed for the sctp_ulpevent type. The
* These are the definitions needed for the sctp_ulpevent type. The
* sctp_ulpevent type is used to carry information from the state machine
* upwards to the ULP.
*
* The SCTP reference implementation is free software;
* you can redistribute it and/or modify it under the terms of
* upwards to the ULP.
*
* 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 one of the
* following email addresses:
*
*
* 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.
*/
......@@ -46,85 +46,97 @@
/* Warning: This sits inside an skb.cb[] area. Be very careful of
* growing this structure as it is at the maximum limit now.
*/
typedef struct sctp_ulpevent {
int malloced;
sctp_association_t *asoc;
struct sk_buff *parent;
struct sctp_ulpevent {
struct sctp_association *asoc;
struct sctp_sndrcvinfo sndrcvinfo;
int chunk_flags; /* Temp. until we get a new chunk_t */
int msg_flags;
} sctp_ulpevent_t;
sctp_ulpevent_t *sctp_ulpevent_new(int size, int msg_flags, int priority);
sctp_ulpevent_t *sctp_ulpevent_init(sctp_ulpevent_t *event, struct sk_buff *skb, int msg_flags);
void sctp_ulpevent_free(sctp_ulpevent_t *event);
int sctp_ulpevent_is_notification(const sctp_ulpevent_t *event);
sctp_ulpevent_t *sctp_ulpevent_make_assoc_change(
const struct SCTP_association *asoc,
__u16 flags,
__u16 state,
__u16 error,
__u16 outbound,
__u16 inbound,
int priority);
sctp_ulpevent_t *sctp_ulpevent_make_peer_addr_change(
const struct SCTP_association *asoc,
const struct sockaddr_storage *aaddr,
int flags,
int state,
int error,
int priority);
sctp_ulpevent_t *sctp_ulpevent_make_remote_error(
const struct SCTP_association *asoc,
struct SCTP_chunk *chunk,
__u16 flags,
int priority);
sctp_ulpevent_t *sctp_ulpevent_make_send_failed(
const struct SCTP_association *asoc,
struct SCTP_chunk *chunk,
__u16 flags,
__u32 error,
int priority);
sctp_ulpevent_t *sctp_ulpevent_make_shutdown_event(
const struct SCTP_association *asoc,
__u16 flags,
int priority);
sctp_ulpevent_t *sctp_ulpevent_make_rcvmsg(struct SCTP_association *asoc,
struct SCTP_chunk *chunk,
int priority);
void sctp_ulpevent_read_sndrcvinfo(const sctp_ulpevent_t *event,
struct msghdr *msghdr);
__u16 sctp_ulpevent_get_notification_type(const sctp_ulpevent_t *event);
};
/* Retrieve the skb this event sits inside of. */
static inline struct sk_buff *sctp_event2skb(struct sctp_ulpevent *ev)
{
return container_of((void *)ev, struct sk_buff, cb);
}
/* Retrieve & cast the event sitting inside the skb. */
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_init(struct sctp_ulpevent *, int flags);
void sctp_ulpevent_free(struct sctp_ulpevent *);
int sctp_ulpevent_is_notification(const struct sctp_ulpevent *);
struct sctp_ulpevent *sctp_ulpevent_make_assoc_change(
const struct sctp_association *asoc,
__u16 flags,
__u16 state,
__u16 error,
__u16 outbound,
__u16 inbound,
int priority);
struct sctp_ulpevent *sctp_ulpevent_make_peer_addr_change(
const struct sctp_association *asoc,
const struct sockaddr_storage *aaddr,
int flags,
int state,
int error,
int priority);
struct sctp_ulpevent *sctp_ulpevent_make_remote_error(
const struct sctp_association *asoc,
struct sctp_chunk *chunk,
__u16 flags,
int priority);
struct sctp_ulpevent *sctp_ulpevent_make_send_failed(
const struct sctp_association *asoc,
struct sctp_chunk *chunk,
__u16 flags,
__u32 error,
int priority);
struct sctp_ulpevent *sctp_ulpevent_make_shutdown_event(
const struct sctp_association *asoc,
__u16 flags,
int priority);
struct sctp_ulpevent *sctp_ulpevent_make_pdapi(
const struct sctp_association *asoc,
__u32 indication, int priority);
struct sctp_ulpevent *sctp_ulpevent_make_rcvmsg(struct sctp_association *asoc,
struct sctp_chunk *chunk,
int priority);
void sctp_ulpevent_read_sndrcvinfo(const struct sctp_ulpevent *event,
struct msghdr *);
__u16 sctp_ulpevent_get_notification_type(const struct sctp_ulpevent *event);
/* Is this event type enabled? */
static inline int sctp_ulpevent_type_enabled(__u16 sn_type,
struct sctp_event_subscribe *mask)
{
char *amask = (char *) mask;
return amask[sn_type - SCTP_SN_TYPE_BASE];
}
/* Given an event subscription, is this event enabled? */
static inline int sctp_ulpevent_is_enabled(const sctp_ulpevent_t *event,
const struct sctp_event_subscribe *mask)
static inline int sctp_ulpevent_is_enabled(const struct sctp_ulpevent *event,
struct sctp_event_subscribe *mask)
{
const char *amask = (const char *) mask;
__u16 sn_type;
int enabled = 1;
if (sctp_ulpevent_is_notification(event)) {
sn_type = sctp_ulpevent_get_notification_type(event);
enabled = amask[sn_type - SCTP_SN_TYPE_BASE];
enabled = sctp_ulpevent_type_enabled(sn_type, mask);
}
return enabled;
}
#endif /* __sctp_ulpevent_h__ */
......
include/net/sctp/ulpqueue.h
View file @ 551c773f
......@@ -48,7 +48,8 @@
/* A structure to carry information to the ULP (e.g. Sockets API) */
struct sctp_ulpq {
int malloced;
char malloced;
char pd_mode;
sctp_association_t *asoc;
struct sk_buff_head reasm;
struct sk_buff_head lobby;
......@@ -60,13 +61,19 @@ struct sctp_ulpq *sctp_ulpq_init(struct sctp_ulpq *, sctp_association_t *);
void sctp_ulpq_free(struct sctp_ulpq *);
/* Add a new DATA chunk for processing. */
int sctp_ulpq_tail_data(struct sctp_ulpq *, sctp_chunk_t *chunk, int priority);
int sctp_ulpq_tail_data(struct sctp_ulpq *, struct sctp_chunk *, int);
/* Add a new event for propogation to the ULP. */
int sctp_ulpq_tail_event(struct sctp_ulpq *, struct sctp_ulpevent *ev);
/* Is the ulpqueue empty. */
int sctp_ulpqueue_is_empty(struct sctp_ulpq *);
/* Perform partial delivery. */
void sctp_ulpq_partial_delivery(struct sctp_ulpq *, struct sctp_chunk *, int);
/* Abort the partial delivery. */
void sctp_ulpq_abort_pd(struct sctp_ulpq *, int);
/* Clear the partial data delivery condition on this socket. */
int sctp_clear_pd(struct sock *sk);
#endif /* __sctp_ulpqueue_h__ */
......
include/net/sctp/user.h
View file @ 551c773f
......@@ -166,6 +166,7 @@ struct sctp_sndrcvinfo {
__u32 sinfo_context;
__u32 sinfo_timetolive;
__u32 sinfo_tsn;
__u32 sinfo_cumtsn;
sctp_assoc_t sinfo_assoc_id;
};
......@@ -367,6 +368,7 @@ struct sctp_rcv_pdapi_event {
sctp_assoc_t pdapi_assoc_id;
};
enum { SCTP_PARTIAL_DELIVERY_ABORTED=0, };
/*
* Described in Section 7.3
......@@ -414,8 +416,8 @@ enum sctp_sn_type {
SCTP_SN_TYPE_BASE = (1<<15),
SCTP_ASSOC_CHANGE,
SCTP_PEER_ADDR_CHANGE,
SCTP_REMOTE_ERROR,
SCTP_SEND_FAILED,
SCTP_REMOTE_ERROR,
SCTP_SHUTDOWN_EVENT,
SCTP_PARTIAL_DELIVERY_EVENT,
SCTP_ADAPTION_INDICATION,
......
net/sctp/associola.c
View file @ 551c773f
......@@ -95,7 +95,7 @@ sctp_association_t *sctp_association_init(sctp_association_t *asoc,
sctp_scope_t scope,
int priority)
{
sctp_opt_t *sp;
struct sctp_opt *sp;
int i;
/* Retrieve the SCTP per socket area. */
......@@ -241,8 +241,8 @@ sctp_association_t *sctp_association_init(sctp_association_t *asoc,
asoc->peer.sack_needed = 1;
/* Create an input queue. */
sctp_inqueue_init(&asoc->base.inqueue);
sctp_inqueue_set_th_handler(&asoc->base.inqueue,
sctp_inq_init(&asoc->base.inqueue);
sctp_inq_set_th_handler(&asoc->base.inqueue,
(void (*)(void *))sctp_assoc_bh_rcv,
asoc);
......@@ -311,7 +311,7 @@ void sctp_association_free(sctp_association_t *asoc)
sctp_ulpq_free(&asoc->ulpq);
/* Dispose of any pending chunks on the inqueue. */
sctp_inqueue_free(&asoc->base.inqueue);
sctp_inq_free(&asoc->base.inqueue);
/* Free ssnmap storage. */
sctp_ssnmap_free(asoc->ssnmap);
......@@ -368,7 +368,7 @@ struct sctp_transport *sctp_assoc_add_peer(sctp_association_t *asoc,
int priority)
{
struct sctp_transport *peer;
sctp_opt_t *sp;
struct sctp_opt *sp;
unsigned short port;
/* AF_INET and AF_INET6 share common port field. */
......@@ -505,7 +505,7 @@ void sctp_assoc_control_transport(sctp_association_t *asoc,
struct sctp_transport *t = NULL;
struct sctp_transport *first;
struct sctp_transport *second;
sctp_ulpevent_t *event;
struct sctp_ulpevent *event;
struct list_head *pos;
int spc_state = 0;
......@@ -776,7 +776,7 @@ static void sctp_assoc_bh_rcv(sctp_association_t *asoc)
sctp_endpoint_t *ep;
sctp_chunk_t *chunk;
struct sock *sk;
sctp_inqueue_t *inqueue;
struct sctp_inq *inqueue;
int state, subtype;
sctp_assoc_t associd = sctp_assoc2id(asoc);
int error = 0;
......@@ -786,7 +786,7 @@ static void sctp_assoc_bh_rcv(sctp_association_t *asoc)
sk = asoc->base.sk;
inqueue = &asoc->base.inqueue;
while (NULL != (chunk = sctp_pop_inqueue(inqueue))) {
while (NULL != (chunk = sctp_inq_pop(inqueue))) {
state = asoc->state;
subtype = chunk->chunk_hdr->type;
......@@ -819,7 +819,7 @@ 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)
{
sctp_opt_t *newsp = sctp_sk(newsk);
struct sctp_opt *newsp = sctp_sk(newsk);
/* Delete the association from the old endpoint's list of
* associations.
......@@ -996,7 +996,7 @@ void sctp_assoc_rwnd_increase(sctp_association_t *asoc, int len)
/* Send a window update SACK if the rwnd has increased by at least the
* minimum of the association's PMTU and half of the receive buffer.
* The algorithm used is similar to the one described in
* The algorithm used is similar to the one described in
* Section 4.2.3.3 of RFC 1122.
*/
if ((asoc->state == SCTP_STATE_ESTABLISHED) &&
......@@ -1006,9 +1006,9 @@ void sctp_assoc_rwnd_increase(sctp_association_t *asoc, int len)
SCTP_DEBUG_PRINTK("%s: Sending window update SACK- asoc: %p "
"rwnd: %u a_rwnd: %u\n",
__FUNCTION__, asoc, asoc->rwnd, asoc->a_rwnd);
sack = sctp_make_sack(asoc);
sack = sctp_make_sack(asoc);
if (!sack)
return;
return;
/* Update the last advertised rwnd value. */
asoc->a_rwnd = asoc->rwnd;
......@@ -1022,7 +1022,7 @@ void sctp_assoc_rwnd_increase(sctp_association_t *asoc, int len)
timer = &asoc->timers[SCTP_EVENT_TIMEOUT_SACK];
if (timer_pending(timer) && del_timer(timer))
sctp_association_put(asoc);
}
}
}
/* Decrease asoc's rwnd by len. */
......
net/sctp/endpointola.c
View file @ 551c773f
......@@ -92,7 +92,7 @@ sctp_endpoint_t *sctp_endpoint_new(sctp_protocol_t *proto,
sctp_endpoint_t *sctp_endpoint_init(sctp_endpoint_t *ep, sctp_protocol_t *proto,
struct sock *sk, int priority)
{
sctp_opt_t *sp = sctp_sk(sk);
struct sctp_opt *sp = sctp_sk(sk);
memset(ep, 0, sizeof(sctp_endpoint_t));
/* Initialize the base structure. */
......@@ -105,10 +105,10 @@ sctp_endpoint_t *sctp_endpoint_init(sctp_endpoint_t *ep, sctp_protocol_t *proto,
ep->base.malloced = 1;
/* Create an input queue. */
sctp_inqueue_init(&ep->base.inqueue);
sctp_inq_init(&ep->base.inqueue);
/* Set its top-half handler */
sctp_inqueue_set_th_handler(&ep->base.inqueue,
sctp_inq_set_th_handler(&ep->base.inqueue,
(void (*)(void *))sctp_endpoint_bh_rcv,
ep);
......@@ -198,7 +198,7 @@ void sctp_endpoint_destroy(sctp_endpoint_t *ep)
sctp_unhash_endpoint(ep);
/* Cleanup the inqueue. */
sctp_inqueue_free(&ep->base.inqueue);
sctp_inq_free(&ep->base.inqueue);
sctp_bind_addr_free(&ep->base.bind_addr);
......@@ -333,7 +333,7 @@ static void sctp_endpoint_bh_rcv(sctp_endpoint_t *ep)
struct sock *sk;
struct sctp_transport *transport;
sctp_chunk_t *chunk;
sctp_inqueue_t *inqueue;
struct sctp_inq *inqueue;
sctp_subtype_t subtype;
sctp_state_t state;
int error = 0;
......@@ -345,7 +345,7 @@ static void sctp_endpoint_bh_rcv(sctp_endpoint_t *ep)
inqueue = &ep->base.inqueue;
sk = ep->base.sk;
while (NULL != (chunk = sctp_pop_inqueue(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 @ 551c773f
......@@ -248,7 +248,7 @@ int sctp_rcv(struct sk_buff *skb)
int sctp_backlog_rcv(struct sock *sk, struct sk_buff *skb)
{
sctp_chunk_t *chunk;
sctp_inqueue_t *inqueue;
struct sctp_inq *inqueue;
/* One day chunk will live inside the skb, but for
* now this works.
......@@ -256,7 +256,7 @@ int sctp_backlog_rcv(struct sock *sk, struct sk_buff *skb)
chunk = (sctp_chunk_t *) skb;
inqueue = &chunk->rcvr->inqueue;
sctp_push_inqueue(inqueue, chunk);
sctp_inq_push(inqueue, chunk);
return 0;
}
......
net/sctp/inqueue.c
View file @ 551c773f
......@@ -47,8 +47,8 @@
#include <net/sctp/sm.h>
#include <linux/interrupt.h>
/* Initialize an SCTP_inqueue. */
void sctp_inqueue_init(sctp_inqueue_t *queue)
/* Initialize an SCTP inqueue. */
void sctp_inq_init(struct sctp_inq *queue)
{
skb_queue_head_init(&queue->in);
queue->in_progress = NULL;
......@@ -59,21 +59,21 @@ void sctp_inqueue_init(sctp_inqueue_t *queue)
queue->malloced = 0;
}
/* Create an initialized SCTP_inqueue. */
sctp_inqueue_t *sctp_inqueue_new(void)
/* Create an initialized sctp_inq. */
struct sctp_inq *sctp_inq_new(void)
{
sctp_inqueue_t *retval;
struct sctp_inq *retval;
retval = t_new(sctp_inqueue_t, GFP_ATOMIC);
retval = t_new(struct sctp_inq, GFP_ATOMIC);
if (retval) {
sctp_inqueue_init(retval);
sctp_inq_init(retval);
retval->malloced = 1;
}
return retval;
}
/* Release the memory associated with an SCTP inqueue. */
void sctp_inqueue_free(sctp_inqueue_t *queue)
void sctp_inq_free(struct sctp_inq *queue)
{
sctp_chunk_t *chunk;
......@@ -96,7 +96,7 @@ void sctp_inqueue_free(sctp_inqueue_t *queue)
/* Put a new packet in an SCTP inqueue.
* We assume that packet->sctp_hdr is set and in host byte order.
*/
void sctp_push_inqueue(sctp_inqueue_t *q, sctp_chunk_t *packet)
void sctp_inq_push(struct sctp_inq *q, sctp_chunk_t *packet)
{
/* Directly call the packet handling routine. */
......@@ -114,7 +114,7 @@ void sctp_push_inqueue(sctp_inqueue_t *q, sctp_chunk_t *packet)
* WARNING: If you need to put the chunk on another queue, you need to
* make a shallow copy (clone) of it.
*/
sctp_chunk_t *sctp_pop_inqueue(sctp_inqueue_t *queue)
sctp_chunk_t *sctp_inq_pop(struct sctp_inq *queue)
{
sctp_chunk_t *chunk;
sctp_chunkhdr_t *ch = NULL;
......@@ -172,7 +172,7 @@ sctp_chunk_t *sctp_pop_inqueue(sctp_inqueue_t *queue)
chunk->end_of_packet = 1;
}
SCTP_DEBUG_PRINTK("+++sctp_pop_inqueue+++ chunk %p[%s],"
SCTP_DEBUG_PRINTK("+++sctp_inq_pop+++ chunk %p[%s],"
" length %d, skb->len %d\n",chunk,
sctp_cname(SCTP_ST_CHUNK(chunk->chunk_hdr->type)),
ntohs(chunk->chunk_hdr->length), chunk->skb->len);
......@@ -182,12 +182,12 @@ sctp_chunk_t *sctp_pop_inqueue(sctp_inqueue_t *queue)
/* Set a top-half handler.
*
* Originally, we the top-half handler was scheduled as a BH. We now
* call the handler directly in sctp_push_inqueue() at a time that
* call the handler directly in sctp_inq_push() at a time that
* we know we are lock safe.
* The intent is that this routine will pull stuff out of the
* inqueue and process it.
*/
void sctp_inqueue_set_th_handler(sctp_inqueue_t *q,
void sctp_inq_set_th_handler(struct sctp_inq *q,
void (*callback)(void *), void *arg)
{
INIT_WORK(&q->immediate, callback, arg);
......
net/sctp/ipv6.c
View file @ 551c773f
......@@ -444,7 +444,7 @@ static void sctp_inet6_msgname(char *msgname, int *addr_len)
}
/* Initialize a PF_INET msgname from a ulpevent. */
static void sctp_inet6_event_msgname(sctp_ulpevent_t *event, char *msgname,
static void sctp_inet6_event_msgname(struct sctp_ulpevent *event, char *msgname,
int *addrlen)
{
struct sockaddr_in6 *sin6, *sin6from;
......
net/sctp/protocol.c
View file @ 551c773f
......@@ -124,7 +124,6 @@ static void sctp_v4_copy_addrlist(struct list_head *addrlist,
/* Add the address to the local list. */
addr = t_new(struct sockaddr_storage_list, GFP_ATOMIC);
if (addr) {
INIT_LIST_HEAD(&addr->list);
addr->a.v4.sin_family = AF_INET;
addr->a.v4.sin_port = 0;
addr->a.v4.sin_addr.s_addr = ifa->ifa_local;
......@@ -557,7 +556,7 @@ static void sctp_inet_msgname(char *msgname, int *addr_len)
}
/* Copy the primary address of the peer primary address as the msg_name. */
static void sctp_inet_event_msgname(sctp_ulpevent_t *event, char *msgname,
static void sctp_inet_event_msgname(struct sctp_ulpevent *event, char *msgname,
int *addr_len)
{
struct sockaddr_in *sin, *sinfrom;
......
net/sctp/sm_make_chunk.c
View file @ 551c773f
......@@ -245,7 +245,8 @@ sctp_chunk_t *sctp_make_init_ack(const sctp_association_t *asoc,
retval = NULL;
addrs = sctp_bind_addrs_to_raw(&asoc->base.bind_addr, &addrs_len, priority);
addrs = sctp_bind_addrs_to_raw(&asoc->base.bind_addr, &addrs_len,
priority);
if (!addrs.v)
goto nomem_rawaddr;
......
net/sctp/sm_sideeffect.c
View file @ 551c773f
......@@ -598,6 +598,13 @@ int sctp_cmd_interpreter(sctp_event_t event_type, sctp_subtype_t subtype,
t->rto_pending = 1;
break;
case SCTP_CMD_CHUNK_PD:
/* Send a chunk to the sockets layer. */
sctp_ulpq_partial_delivery(&asoc->ulpq,
command->obj.ptr,
GFP_ATOMIC);
break;
default:
printk(KERN_WARNING "Impossible command: %u, %p\n",
command->verb, command->obj.ptr);
......@@ -1014,7 +1021,7 @@ static void sctp_do_8_2_transport_strike(sctp_association_t *asoc,
static void sctp_cmd_init_failed(sctp_cmd_seq_t *commands,
sctp_association_t *asoc)
{
sctp_ulpevent_t *event;
struct sctp_ulpevent *event;
event = sctp_ulpevent_make_assoc_change(asoc,
0,
......@@ -1041,7 +1048,7 @@ static void sctp_cmd_assoc_failed(sctp_cmd_seq_t *commands,
sctp_subtype_t subtype,
sctp_chunk_t *chunk)
{
sctp_ulpevent_t *event;
struct sctp_ulpevent *event;
__u16 error = 0;
switch(event_type) {
......@@ -1061,12 +1068,11 @@ static void sctp_cmd_assoc_failed(sctp_cmd_seq_t *commands,
break;
}
event = sctp_ulpevent_make_assoc_change(asoc,
0,
SCTP_COMM_LOST,
error, 0, 0,
GFP_ATOMIC);
/* Cancel any partial delivery in progress. */
sctp_ulpq_abort_pd(&asoc->ulpq, GFP_ATOMIC);
event = sctp_ulpevent_make_assoc_change(asoc, 0, SCTP_COMM_LOST,
error, 0, 0, GFP_ATOMIC);
if (event)
sctp_add_cmd_sf(commands, SCTP_CMD_EVENT_ULP,
SCTP_ULPEVENT(event));
......@@ -1141,7 +1147,7 @@ static void sctp_cmd_hb_timers_stop(sctp_cmd_seq_t *cmds,
if (del_timer(&t->hb_timer))
sctp_transport_put(t);
}
}
}
/* Helper function to update the heartbeat timer. */
static void sctp_cmd_hb_timer_update(sctp_cmd_seq_t *cmds,
......
net/sctp/sm_statefuns.c
View file @ 551c773f
......@@ -102,7 +102,7 @@ sctp_disposition_t sctp_sf_do_4_C(const sctp_endpoint_t *ep,
sctp_cmd_seq_t *commands)
{
sctp_chunk_t *chunk = arg;
sctp_ulpevent_t *ev;
struct sctp_ulpevent *ev;
/* RFC 2960 6.10 Bundling
*
......@@ -264,7 +264,7 @@ sctp_disposition_t sctp_sf_do_5_1B_init(const sctp_endpoint_t *ep,
if (sctp_assoc_set_bind_addr_from_ep(new_asoc, GFP_ATOMIC) < 0)
goto nomem_ack;
repl = sctp_make_init_ack(new_asoc, chunk, GFP_ATOMIC, len);
if (!repl)
goto nomem_ack;
......@@ -504,7 +504,7 @@ sctp_disposition_t sctp_sf_do_5_1D_ce(const sctp_endpoint_t *ep,
sctp_association_t *new_asoc;
sctp_init_chunk_t *peer_init;
sctp_chunk_t *repl;
sctp_ulpevent_t *ev;
struct sctp_ulpevent *ev;
int error = 0;
sctp_chunk_t *err_chk_p;
......@@ -636,7 +636,7 @@ sctp_disposition_t sctp_sf_do_5_1E_ca(const sctp_endpoint_t *ep,
const sctp_subtype_t type, void *arg,
sctp_cmd_seq_t *commands)
{
sctp_ulpevent_t *ev;
struct sctp_ulpevent *ev;
/* RFC 2960 5.1 Normal Establishment of an Association
*
......@@ -1355,7 +1355,7 @@ static sctp_disposition_t sctp_sf_do_dupcook_a(const sctp_endpoint_t *ep,
sctp_association_t *new_asoc)
{
sctp_init_chunk_t *peer_init;
sctp_ulpevent_t *ev;
struct sctp_ulpevent *ev;
sctp_chunk_t *repl;
/* new_asoc is a brand-new association, so these are not yet
......@@ -1421,7 +1421,7 @@ static sctp_disposition_t sctp_sf_do_dupcook_b(const sctp_endpoint_t *ep,
sctp_association_t *new_asoc)
{
sctp_init_chunk_t *peer_init;
sctp_ulpevent_t *ev;
struct sctp_ulpevent *ev;
sctp_chunk_t *repl;
/* new_asoc is a brand-new association, so these are not yet
......@@ -1503,7 +1503,7 @@ static sctp_disposition_t sctp_sf_do_dupcook_d(const sctp_endpoint_t *ep,
sctp_cmd_seq_t *commands,
sctp_association_t *new_asoc)
{
sctp_ulpevent_t *ev = NULL;
struct sctp_ulpevent *ev = NULL;
sctp_chunk_t *repl;
/* Clarification from Implementor's Guide:
......@@ -1540,11 +1540,11 @@ static sctp_disposition_t sctp_sf_do_dupcook_d(const sctp_endpoint_t *ep,
SCTP_ULPEVENT(ev));
}
sctp_add_cmd_sf(commands, SCTP_CMD_TRANSMIT, SCTP_NULL());
repl = sctp_make_cookie_ack(new_asoc, chunk);
if (!repl)
goto nomem;
sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(repl));
sctp_add_cmd_sf(commands, SCTP_CMD_TRANSMIT, SCTP_NULL());
......@@ -2241,6 +2241,7 @@ sctp_disposition_t sctp_sf_eat_data_6_2(const sctp_endpoint_t *ep,
sctp_datahdr_t *data_hdr;
sctp_chunk_t *err;
size_t datalen;
sctp_verb_t deliver;
int tmp;
__u32 tsn;
......@@ -2307,10 +2308,32 @@ sctp_disposition_t sctp_sf_eat_data_6_2(const sctp_endpoint_t *ep,
datalen = ntohs(chunk->chunk_hdr->length);
datalen -= sizeof(sctp_data_chunk_t);
deliver = SCTP_CMD_CHUNK_ULP;
/* Think about partial delivery. */
if ((datalen >= asoc->rwnd) && (!asoc->ulpq.pd_mode)) {
/* Even if we don't accept this chunk there is
* memory pressure.
*/
sctp_add_cmd_sf(commands, SCTP_CMD_CHUNK_PD, SCTP_NULL());
}
if (asoc->rwnd_over || (datalen > asoc->rwnd + asoc->frag_point)) {
SCTP_DEBUG_PRINTK("Discarding tsn: %u datalen: %Zd, "
"rwnd: %d\n", tsn, datalen, asoc->rwnd);
goto discard_force;
/* There is absolutely no room, but this is the most
* important tsn that we are waiting on, try to
* to partial deliver or renege to make room.
*/
if ((sctp_tsnmap_get_ctsn(&asoc->peer.tsn_map) + 1) == tsn) {
deliver = SCTP_CMD_CHUNK_PD;
} else {
SCTP_DEBUG_PRINTK("Discard tsn: %u len: %Zd, "
"rwnd: %d\n", tsn, datalen,
asoc->rwnd);
goto discard_force;
}
}
/*
......@@ -2335,10 +2358,11 @@ sctp_disposition_t sctp_sf_eat_data_6_2(const sctp_endpoint_t *ep,
return SCTP_DISPOSITION_CONSUME;
}
/* We are accepting this DATA chunk. */
/* Record the fact that we have received this TSN. */
sctp_add_cmd_sf(commands, SCTP_CMD_REPORT_TSN, SCTP_U32(tsn));
/* If definately accepting the DATA chunk, record its TSN, otherwise
* wait for renege processing.
*/
if (deliver != SCTP_CMD_CHUNK_PD)
sctp_add_cmd_sf(commands, SCTP_CMD_REPORT_TSN, SCTP_U32(tsn));
/* RFC 2960 6.5 Stream Identifier and Stream Sequence Number
*
......@@ -2352,10 +2376,9 @@ sctp_disposition_t sctp_sf_eat_data_6_2(const sctp_endpoint_t *ep,
err = sctp_make_op_error(asoc, chunk, SCTP_ERROR_INV_STRM,
&data_hdr->stream,
sizeof(data_hdr->stream));
if (err) {
if (err)
sctp_add_cmd_sf(commands, SCTP_CMD_REPLY,
SCTP_CHUNK(err));
}
goto discard_noforce;
}
......@@ -2363,7 +2386,8 @@ sctp_disposition_t sctp_sf_eat_data_6_2(const sctp_endpoint_t *ep,
* SCTP_CMD_CHUNK_ULP cmd before the SCTP_CMD_GEN_SACK, as the SACK
* chunk needs the updated rwnd.
*/
sctp_add_cmd_sf(commands, SCTP_CMD_CHUNK_ULP, SCTP_CHUNK(chunk));
sctp_add_cmd_sf(commands, deliver, SCTP_CHUNK(chunk));
if (asoc->autoclose) {
sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_RESTART,
SCTP_TO(SCTP_EVENT_TIMEOUT_AUTOCLOSE));
......@@ -2726,7 +2750,7 @@ sctp_disposition_t sctp_sf_operr_notify(const sctp_endpoint_t *ep,
sctp_cmd_seq_t *commands)
{
sctp_chunk_t *chunk = arg;
sctp_ulpevent_t *ev;
struct sctp_ulpevent *ev;
while (chunk->chunk_end > chunk->skb->data) {
ev = sctp_ulpevent_make_remote_error(asoc, chunk, 0,
......@@ -2764,7 +2788,7 @@ sctp_disposition_t sctp_sf_do_9_2_final(const sctp_endpoint_t *ep,
{
sctp_chunk_t *chunk = arg;
sctp_chunk_t *reply;
sctp_ulpevent_t *ev;
struct sctp_ulpevent *ev;
/* 10.2 H) SHUTDOWN COMPLETE notification
*
......
net/sctp/socket.c
View file @ 551c773f
This diff is collapsed.
net/sctp/ulpevent.c
View file @ 551c773f
This diff is collapsed.
net/sctp/ulpqueue.c
View file @ 551c773f
This diff is collapsed.
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