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-rw-r--r--include/net/sctp/sm.h158
-rw-r--r--net/sctp/sm_make_chunk.c348
2 files changed, 249 insertions, 257 deletions
diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h
index 33077f317995..2db3d3a9ce1d 100644
--- a/include/net/sctp/sm.h
+++ b/include/net/sctp/sm.h
@@ -184,68 +184,69 @@ __u32 sctp_generate_verification_tag(void);
void sctp_populate_tie_tags(__u8 *cookie, __u32 curTag, __u32 hisTag);
/* Prototypes for chunk-building functions. */
-struct sctp_chunk *sctp_make_init(const struct sctp_association *,
- const struct sctp_bind_addr *,
- gfp_t gfp, int vparam_len);
-struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *,
- const struct sctp_chunk *,
- const gfp_t gfp,
- const int unkparam_len);
-struct sctp_chunk *sctp_make_cookie_echo(const struct sctp_association *,
- const struct sctp_chunk *);
-struct sctp_chunk *sctp_make_cookie_ack(const struct sctp_association *,
- const struct sctp_chunk *);
-struct sctp_chunk *sctp_make_cwr(const struct sctp_association *,
+struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
+ const struct sctp_bind_addr *bp,
+ gfp_t gfp, int vparam_len);
+struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk,
+ const gfp_t gfp, const int unkparam_len);
+struct sctp_chunk *sctp_make_cookie_echo(const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk);
+struct sctp_chunk *sctp_make_cookie_ack(const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk);
+struct sctp_chunk *sctp_make_cwr(const struct sctp_association *asoc,
const __u32 lowest_tsn,
- const struct sctp_chunk *);
-struct sctp_chunk * sctp_make_datafrag_empty(struct sctp_association *,
- const struct sctp_sndrcvinfo *sinfo,
- int len, const __u8 flags,
- __u16 ssn, gfp_t gfp);
-struct sctp_chunk *sctp_make_ecne(const struct sctp_association *,
- const __u32);
-struct sctp_chunk *sctp_make_sack(const struct sctp_association *);
+ const struct sctp_chunk *chunk);
+struct sctp_chunk *sctp_make_datafrag_empty(struct sctp_association *asoc,
+ const struct sctp_sndrcvinfo *sinfo,
+ int len, const __u8 flags,
+ __u16 ssn, gfp_t gfp);
+struct sctp_chunk *sctp_make_ecne(const struct sctp_association *asoc,
+ const __u32 lowest_tsn);
+struct sctp_chunk *sctp_make_sack(const struct sctp_association *asoc);
struct sctp_chunk *sctp_make_shutdown(const struct sctp_association *asoc,
const struct sctp_chunk *chunk);
struct sctp_chunk *sctp_make_shutdown_ack(const struct sctp_association *asoc,
- const struct sctp_chunk *);
-struct sctp_chunk *sctp_make_shutdown_complete(const struct sctp_association *,
- const struct sctp_chunk *);
-void sctp_init_cause(struct sctp_chunk *, __be16 cause, size_t);
-struct sctp_chunk *sctp_make_abort(const struct sctp_association *,
- const struct sctp_chunk *,
- const size_t hint);
-struct sctp_chunk *sctp_make_abort_no_data(const struct sctp_association *,
- const struct sctp_chunk *,
- __u32 tsn);
-struct sctp_chunk *sctp_make_abort_user(const struct sctp_association *,
- struct msghdr *, size_t msg_len);
-struct sctp_chunk *sctp_make_abort_violation(const struct sctp_association *,
- const struct sctp_chunk *,
- const __u8 *,
- const size_t );
-struct sctp_chunk *sctp_make_violation_paramlen(const struct sctp_association *,
- const struct sctp_chunk *,
- struct sctp_paramhdr *);
-struct sctp_chunk *sctp_make_violation_max_retrans(const struct sctp_association *,
- const struct sctp_chunk *);
-struct sctp_chunk *sctp_make_heartbeat(const struct sctp_association *,
- const struct sctp_transport *);
-struct sctp_chunk *sctp_make_heartbeat_ack(const struct sctp_association *,
- const struct sctp_chunk *,
- const void *payload,
- const size_t paylen);
-struct sctp_chunk *sctp_make_op_error(const struct sctp_association *,
- const struct sctp_chunk *chunk,
- __be16 cause_code,
- const void *payload,
- size_t paylen,
- size_t reserve_tail);
-
-struct sctp_chunk *sctp_make_asconf_update_ip(struct sctp_association *,
- union sctp_addr *,
- struct sockaddr *,
- int, __be16);
+ const struct sctp_chunk *chunk);
+struct sctp_chunk *sctp_make_shutdown_complete(
+ const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk);
+void sctp_init_cause(struct sctp_chunk *chunk, __be16 cause, size_t paylen);
+struct sctp_chunk *sctp_make_abort(const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk,
+ const size_t hint);
+struct sctp_chunk *sctp_make_abort_no_data(const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk,
+ __u32 tsn);
+struct sctp_chunk *sctp_make_abort_user(const struct sctp_association *asoc,
+ struct msghdr *msg, size_t msg_len);
+struct sctp_chunk *sctp_make_abort_violation(
+ const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk,
+ const __u8 *payload,
+ const size_t paylen);
+struct sctp_chunk *sctp_make_violation_paramlen(
+ const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk,
+ struct sctp_paramhdr *param);
+struct sctp_chunk *sctp_make_violation_max_retrans(
+ const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk);
+struct sctp_chunk *sctp_make_heartbeat(const struct sctp_association *asoc,
+ const struct sctp_transport *transport);
+struct sctp_chunk *sctp_make_heartbeat_ack(const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk,
+ const void *payload,
+ const size_t paylen);
+struct sctp_chunk *sctp_make_op_error(const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk,
+ __be16 cause_code, const void *payload,
+ size_t paylen, size_t reserve_tail);
+
+struct sctp_chunk *sctp_make_asconf_update_ip(struct sctp_association *asoc,
+ union sctp_addr *laddr,
+ struct sockaddr *addrs,
+ int addrcnt, __be16 flags);
struct sctp_chunk *sctp_make_asconf_set_prim(struct sctp_association *asoc,
union sctp_addr *addr);
bool sctp_verify_asconf(const struct sctp_association *asoc,
@@ -259,27 +260,25 @@ struct sctp_chunk *sctp_make_fwdtsn(const struct sctp_association *asoc,
__u32 new_cum_tsn, size_t nstreams,
struct sctp_fwdtsn_skip *skiplist);
struct sctp_chunk *sctp_make_auth(const struct sctp_association *asoc);
-struct sctp_chunk *sctp_make_strreset_req(
- const struct sctp_association *asoc,
- __u16 stream_num, __u16 *stream_list,
- bool out, bool in);
+struct sctp_chunk *sctp_make_strreset_req(const struct sctp_association *asoc,
+ __u16 stream_num, __u16 *stream_list,
+ bool out, bool in);
struct sctp_chunk *sctp_make_strreset_tsnreq(
- const struct sctp_association *asoc);
+ const struct sctp_association *asoc);
struct sctp_chunk *sctp_make_strreset_addstrm(
- const struct sctp_association *asoc,
- __u16 out, __u16 in);
-struct sctp_chunk *sctp_make_strreset_resp(
- const struct sctp_association *asoc,
- __u32 result, __u32 sn);
-struct sctp_chunk *sctp_make_strreset_tsnresp(
- struct sctp_association *asoc,
- __u32 result, __u32 sn,
- __u32 sender_tsn, __u32 receiver_tsn);
+ const struct sctp_association *asoc,
+ __u16 out, __u16 in);
+struct sctp_chunk *sctp_make_strreset_resp(const struct sctp_association *asoc,
+ __u32 result, __u32 sn);
+struct sctp_chunk *sctp_make_strreset_tsnresp(struct sctp_association *asoc,
+ __u32 result, __u32 sn,
+ __u32 sender_tsn,
+ __u32 receiver_tsn);
bool sctp_verify_reconf(const struct sctp_association *asoc,
struct sctp_chunk *chunk,
struct sctp_paramhdr **errp);
-void sctp_chunk_assign_tsn(struct sctp_chunk *);
-void sctp_chunk_assign_ssn(struct sctp_chunk *);
+void sctp_chunk_assign_tsn(struct sctp_chunk *chunk);
+void sctp_chunk_assign_ssn(struct sctp_chunk *chunk);
/* Prototypes for stream-processing functions. */
struct sctp_chunk *sctp_process_strreset_outreq(
@@ -322,11 +321,12 @@ void sctp_generate_proto_unreach_event(unsigned long peer);
void sctp_ootb_pkt_free(struct sctp_packet *packet);
-struct sctp_association *sctp_unpack_cookie(const struct sctp_endpoint *ep,
- const struct sctp_association *asoc,
- struct sctp_chunk *chunk,
- gfp_t gfp, int *err,
- struct sctp_chunk **err_chk_p);
+struct sctp_association *sctp_unpack_cookie(
+ const struct sctp_endpoint *ep,
+ const struct sctp_association *asoc,
+ struct sctp_chunk *chunk,
+ gfp_t gfp, int *err,
+ struct sctp_chunk **err_chk_p);
/* 3rd level prototypes */
__u32 sctp_generate_tag(const struct sctp_endpoint *ep);
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 51de638a88b2..ca8f196b6c6c 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -132,8 +132,8 @@ static const struct sctp_paramhdr prsctp_param = {
* provided chunk, as most cause codes will be embedded inside an
* abort chunk.
*/
-void sctp_init_cause(struct sctp_chunk *chunk, __be16 cause_code,
- size_t paylen)
+void sctp_init_cause(struct sctp_chunk *chunk, __be16 cause_code,
+ size_t paylen)
{
struct sctp_errhdr err;
__u16 len;
@@ -151,7 +151,7 @@ void sctp_init_cause(struct sctp_chunk *chunk, __be16 cause_code,
* if there isn't enough space in the op error chunk
*/
static int sctp_init_cause_fixed(struct sctp_chunk *chunk, __be16 cause_code,
- size_t paylen)
+ size_t paylen)
{
struct sctp_errhdr err;
__u16 len;
@@ -213,32 +213,31 @@ static int sctp_init_cause_fixed(struct sctp_chunk *chunk, __be16 cause_code,
* Supported Address Types (Note 4) Optional 12
*/
struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
- const struct sctp_bind_addr *bp,
- gfp_t gfp, int vparam_len)
+ const struct sctp_bind_addr *bp,
+ gfp_t gfp, int vparam_len)
{
struct net *net = sock_net(asoc->base.sk);
+ struct sctp_supported_ext_param ext_param;
+ struct sctp_adaptation_ind_param aiparam;
+ struct sctp_paramhdr *auth_chunks = NULL;
+ struct sctp_paramhdr *auth_hmacs = NULL;
+ struct sctp_supported_addrs_param sat;
struct sctp_endpoint *ep = asoc->ep;
- struct sctp_inithdr init;
- union sctp_params addrs;
- size_t chunksize;
struct sctp_chunk *retval = NULL;
int num_types, addrs_len = 0;
+ struct sctp_inithdr init;
+ union sctp_params addrs;
struct sctp_sock *sp;
- struct sctp_supported_addrs_param sat;
+ __u8 extensions[4];
+ size_t chunksize;
__be16 types[2];
- struct sctp_adaptation_ind_param aiparam;
- struct sctp_supported_ext_param ext_param;
int num_ext = 0;
- __u8 extensions[4];
- struct sctp_paramhdr *auth_chunks = NULL,
- *auth_hmacs = NULL;
/* RFC 2960 3.3.2 Initiation (INIT) (1)
*
* Note 1: The INIT chunks can contain multiple addresses that
* can be IPv4 and/or IPv6 in any combination.
*/
- retval = NULL;
/* Convert the provided bind address list to raw format. */
addrs = sctp_bind_addrs_to_raw(bp, &addrs_len, gfp);
@@ -380,26 +379,24 @@ nodata:
}
struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
- const struct sctp_chunk *chunk,
- gfp_t gfp, int unkparam_len)
+ const struct sctp_chunk *chunk,
+ gfp_t gfp, int unkparam_len)
{
+ struct sctp_supported_ext_param ext_param;
+ struct sctp_adaptation_ind_param aiparam;
+ struct sctp_paramhdr *auth_chunks = NULL;
+ struct sctp_paramhdr *auth_random = NULL;
+ struct sctp_paramhdr *auth_hmacs = NULL;
+ struct sctp_chunk *retval = NULL;
+ struct sctp_cookie_param *cookie;
struct sctp_inithdr initack;
- struct sctp_chunk *retval;
union sctp_params addrs;
struct sctp_sock *sp;
- int addrs_len;
- struct sctp_cookie_param *cookie;
- int cookie_len;
+ __u8 extensions[4];
size_t chunksize;
- struct sctp_adaptation_ind_param aiparam;
- struct sctp_supported_ext_param ext_param;
int num_ext = 0;
- __u8 extensions[4];
- struct sctp_paramhdr *auth_chunks = NULL,
- *auth_hmacs = NULL,
- *auth_random = NULL;
-
- retval = NULL;
+ int cookie_len;
+ int addrs_len;
/* Note: there may be no addresses to embed. */
addrs = sctp_bind_addrs_to_raw(&asoc->base.bind_addr, &addrs_len, gfp);
@@ -562,11 +559,11 @@ nomem_cookie:
* to insure interoperability.
*/
struct sctp_chunk *sctp_make_cookie_echo(const struct sctp_association *asoc,
- const struct sctp_chunk *chunk)
+ const struct sctp_chunk *chunk)
{
struct sctp_chunk *retval;
- void *cookie;
int cookie_len;
+ void *cookie;
cookie = asoc->peer.cookie;
cookie_len = asoc->peer.cookie_len;
@@ -614,7 +611,7 @@ nodata:
* Set to zero on transmit and ignored on receipt.
*/
struct sctp_chunk *sctp_make_cookie_ack(const struct sctp_association *asoc,
- const struct sctp_chunk *chunk)
+ const struct sctp_chunk *chunk)
{
struct sctp_chunk *retval;
@@ -659,8 +656,8 @@ struct sctp_chunk *sctp_make_cookie_ack(const struct sctp_association *asoc,
* Note: The CWR is considered a Control chunk.
*/
struct sctp_chunk *sctp_make_cwr(const struct sctp_association *asoc,
- const __u32 lowest_tsn,
- const struct sctp_chunk *chunk)
+ const __u32 lowest_tsn,
+ const struct sctp_chunk *chunk)
{
struct sctp_chunk *retval;
struct sctp_cwrhdr cwr;
@@ -694,7 +691,7 @@ nodata:
/* Make an ECNE chunk. This is a congestion experienced report. */
struct sctp_chunk *sctp_make_ecne(const struct sctp_association *asoc,
- const __u32 lowest_tsn)
+ const __u32 lowest_tsn)
{
struct sctp_chunk *retval;
struct sctp_ecnehdr ecne;
@@ -715,9 +712,9 @@ nodata:
* parameters. However, do not populate the data payload.
*/
struct sctp_chunk *sctp_make_datafrag_empty(struct sctp_association *asoc,
- const struct sctp_sndrcvinfo *sinfo,
- int data_len, __u8 flags, __u16 ssn,
- gfp_t gfp)
+ const struct sctp_sndrcvinfo *sinfo,
+ int data_len, __u8 flags, __u16 ssn,
+ gfp_t gfp)
{
struct sctp_chunk *retval;
struct sctp_datahdr dp;
@@ -755,15 +752,15 @@ nodata:
*/
struct sctp_chunk *sctp_make_sack(const struct sctp_association *asoc)
{
- struct sctp_chunk *retval;
- struct sctp_sackhdr sack;
- int len;
- __u32 ctsn;
- __u16 num_gabs, num_dup_tsns;
- struct sctp_association *aptr = (struct sctp_association *)asoc;
struct sctp_tsnmap *map = (struct sctp_tsnmap *)&asoc->peer.tsn_map;
+ struct sctp_association *aptr = (struct sctp_association *)asoc;
struct sctp_gap_ack_block gabs[SCTP_MAX_GABS];
+ __u16 num_gabs, num_dup_tsns;
struct sctp_transport *trans;
+ struct sctp_chunk *retval;
+ struct sctp_sackhdr sack;
+ __u32 ctsn;
+ int len;
memset(gabs, 0, sizeof(gabs));
ctsn = sctp_tsnmap_get_ctsn(map);
@@ -879,7 +876,7 @@ nodata:
}
struct sctp_chunk *sctp_make_shutdown_ack(const struct sctp_association *asoc,
- const struct sctp_chunk *chunk)
+ const struct sctp_chunk *chunk)
{
struct sctp_chunk *retval;
@@ -902,8 +899,8 @@ struct sctp_chunk *sctp_make_shutdown_ack(const struct sctp_association *asoc,
}
struct sctp_chunk *sctp_make_shutdown_complete(
- const struct sctp_association *asoc,
- const struct sctp_chunk *chunk)
+ const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk)
{
struct sctp_chunk *retval;
__u8 flags = 0;
@@ -936,8 +933,8 @@ struct sctp_chunk *sctp_make_shutdown_complete(
* association, except when responding to an INIT (sctpimpguide 2.41).
*/
struct sctp_chunk *sctp_make_abort(const struct sctp_association *asoc,
- const struct sctp_chunk *chunk,
- const size_t hint)
+ const struct sctp_chunk *chunk,
+ const size_t hint)
{
struct sctp_chunk *retval;
__u8 flags = 0;
@@ -973,8 +970,9 @@ struct sctp_chunk *sctp_make_abort(const struct sctp_association *asoc,
/* Helper to create ABORT with a NO_USER_DATA error. */
struct sctp_chunk *sctp_make_abort_no_data(
- const struct sctp_association *asoc,
- const struct sctp_chunk *chunk, __u32 tsn)
+ const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk,
+ __u32 tsn)
{
struct sctp_chunk *retval;
__be32 payload;
@@ -1054,8 +1052,8 @@ err_chunk:
static void *sctp_addto_param(struct sctp_chunk *chunk, int len,
const void *data)
{
- void *target;
int chunklen = ntohs(chunk->chunk_hdr->length);
+ void *target;
target = skb_put(chunk->skb, len);
@@ -1073,10 +1071,10 @@ static void *sctp_addto_param(struct sctp_chunk *chunk, int len,
/* Make an ABORT chunk with a PROTOCOL VIOLATION cause code. */
struct sctp_chunk *sctp_make_abort_violation(
- const struct sctp_association *asoc,
- const struct sctp_chunk *chunk,
- const __u8 *payload,
- const size_t paylen)
+ const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk,
+ const __u8 *payload,
+ const size_t paylen)
{
struct sctp_chunk *retval;
struct sctp_paramhdr phdr;
@@ -1099,14 +1097,14 @@ end:
}
struct sctp_chunk *sctp_make_violation_paramlen(
- const struct sctp_association *asoc,
- const struct sctp_chunk *chunk,
- struct sctp_paramhdr *param)
+ const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk,
+ struct sctp_paramhdr *param)
{
- struct sctp_chunk *retval;
static const char error[] = "The following parameter had invalid length:";
size_t payload_len = sizeof(error) + sizeof(struct sctp_errhdr) +
sizeof(*param);
+ struct sctp_chunk *retval;
retval = sctp_make_abort(asoc, chunk, payload_len);
if (!retval)
@@ -1122,12 +1120,12 @@ nodata:
}
struct sctp_chunk *sctp_make_violation_max_retrans(
- const struct sctp_association *asoc,
- const struct sctp_chunk *chunk)
+ const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk)
{
- struct sctp_chunk *retval;
static const char error[] = "Association exceeded its max_retans count";
size_t payload_len = sizeof(error) + sizeof(struct sctp_errhdr);
+ struct sctp_chunk *retval;
retval = sctp_make_abort(asoc, chunk, payload_len);
if (!retval)
@@ -1171,8 +1169,9 @@ nodata:
}
struct sctp_chunk *sctp_make_heartbeat_ack(const struct sctp_association *asoc,
- const struct sctp_chunk *chunk,
- const void *payload, const size_t paylen)
+ const struct sctp_chunk *chunk,
+ const void *payload,
+ const size_t paylen)
{
struct sctp_chunk *retval;
@@ -1203,9 +1202,9 @@ nodata:
* This routine can be used for containing multiple causes in the chunk.
*/
static struct sctp_chunk *sctp_make_op_error_space(
- const struct sctp_association *asoc,
- const struct sctp_chunk *chunk,
- size_t size)
+ const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk,
+ size_t size)
{
struct sctp_chunk *retval;
@@ -1237,8 +1236,8 @@ nodata:
* to report all the errors, if the incoming chunk is large
*/
static inline struct sctp_chunk *sctp_make_op_error_fixed(
- const struct sctp_association *asoc,
- const struct sctp_chunk *chunk)
+ const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk)
{
size_t size = asoc ? asoc->pathmtu : 0;
@@ -1250,9 +1249,9 @@ static inline struct sctp_chunk *sctp_make_op_error_fixed(
/* Create an Operation Error chunk. */
struct sctp_chunk *sctp_make_op_error(const struct sctp_association *asoc,
- const struct sctp_chunk *chunk,
- __be16 cause_code, const void *payload,
- size_t paylen, size_t reserve_tail)
+ const struct sctp_chunk *chunk,
+ __be16 cause_code, const void *payload,
+ size_t paylen, size_t reserve_tail)
{
struct sctp_chunk *retval;
@@ -1271,9 +1270,9 @@ nodata:
struct sctp_chunk *sctp_make_auth(const struct sctp_association *asoc)
{
- struct sctp_chunk *retval;
- struct sctp_hmac *hmac_desc;
struct sctp_authhdr auth_hdr;
+ struct sctp_hmac *hmac_desc;
+ struct sctp_chunk *retval;
__u8 *hmac;
/* Get the first hmac that the peer told us to use */
@@ -1319,8 +1318,8 @@ struct sctp_chunk *sctp_make_auth(const struct sctp_association *asoc)
*
*/
struct sctp_chunk *sctp_chunkify(struct sk_buff *skb,
- const struct sctp_association *asoc,
- struct sock *sk, gfp_t gfp)
+ const struct sctp_association *asoc,
+ struct sock *sk, gfp_t gfp)
{
struct sctp_chunk *retval;
@@ -1372,11 +1371,11 @@ const union sctp_addr *sctp_source(const struct sctp_chunk *chunk)
* arguments, reserving enough space for a 'paylen' byte payload.
*/
static struct sctp_chunk *_sctp_make_chunk(const struct sctp_association *asoc,
- __u8 type, __u8 flags, int paylen,
- gfp_t gfp)
+ __u8 type, __u8 flags, int paylen,
+ gfp_t gfp)
{
- struct sctp_chunk *retval;
struct sctp_chunkhdr *chunk_hdr;
+ struct sctp_chunk *retval;
struct sk_buff *skb;
struct sock *sk;
@@ -1470,9 +1469,9 @@ void sctp_chunk_put(struct sctp_chunk *ch)
*/
void *sctp_addto_chunk(struct sctp_chunk *chunk, int len, const void *data)
{
- void *target;
int chunklen = ntohs(chunk->chunk_hdr->length);
int padlen = SCTP_PAD4(chunklen) - chunklen;
+ void *target;
skb_put_zero(chunk->skb, padlen);
target = skb_put_data(chunk->skb, data, len);
@@ -1525,11 +1524,10 @@ int sctp_user_addto_chunk(struct sctp_chunk *chunk, int len,
*/
void sctp_chunk_assign_ssn(struct sctp_chunk *chunk)
{
- struct sctp_datamsg *msg;
- struct sctp_chunk *lchunk;
struct sctp_stream *stream;
- __u16 ssn;
- __u16 sid;
+ struct sctp_chunk *lchunk;
+ struct sctp_datamsg *msg;
+ __u16 ssn, sid;
if (chunk->has_ssn)
return;
@@ -1574,8 +1572,8 @@ void sctp_chunk_assign_tsn(struct sctp_chunk *chunk)
/* Create a CLOSED association to use with an incoming packet. */
struct sctp_association *sctp_make_temp_asoc(const struct sctp_endpoint *ep,
- struct sctp_chunk *chunk,
- gfp_t gfp)
+ struct sctp_chunk *chunk,
+ gfp_t gfp)
{
struct sctp_association *asoc;
enum sctp_scope scope;
@@ -1602,8 +1600,8 @@ static struct sctp_cookie_param *sctp_pack_cookie(
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const struct sctp_chunk *init_chunk,
- int *cookie_len,
- const __u8 *raw_addrs, int addrs_len)
+ int *cookie_len, const __u8 *raw_addrs,
+ int addrs_len)
{
struct sctp_signed_cookie *cookie;
struct sctp_cookie_param *retval;
@@ -1690,19 +1688,19 @@ nodata:
/* Unpack the cookie from COOKIE ECHO chunk, recreating the association. */
struct sctp_association *sctp_unpack_cookie(
- const struct sctp_endpoint *ep,
- const struct sctp_association *asoc,
- struct sctp_chunk *chunk, gfp_t gfp,
- int *error, struct sctp_chunk **errp)
+ const struct sctp_endpoint *ep,
+ const struct sctp_association *asoc,
+ struct sctp_chunk *chunk, gfp_t gfp,
+ int *error, struct sctp_chunk **errp)
{
struct sctp_association *retval = NULL;
+ int headersize, bodysize, fixed_size;
struct sctp_signed_cookie *cookie;
+ struct sk_buff *skb = chunk->skb;
struct sctp_cookie *bear_cookie;
- int headersize, bodysize, fixed_size;
__u8 *digest = ep->digest;
- unsigned int len;
enum sctp_scope scope;
- struct sk_buff *skb = chunk->skb;
+ unsigned int len;
ktime_t kt;
/* Header size is static data prior to the actual cookie, including
@@ -1974,8 +1972,8 @@ static int sctp_process_hn_param(const struct sctp_association *asoc,
static int sctp_verify_ext_param(struct net *net, union sctp_params param)
{
__u16 num_ext = ntohs(param.p->length) - sizeof(struct sctp_paramhdr);
- int have_auth = 0;
int have_asconf = 0;
+ int have_auth = 0;
int i;
for (i = 0; i < num_ext; i++) {
@@ -2005,10 +2003,10 @@ static int sctp_verify_ext_param(struct net *net, union sctp_params param)
}
static void sctp_process_ext_param(struct sctp_association *asoc,
- union sctp_params param)
+ union sctp_params param)
{
- struct net *net = sock_net(asoc->base.sk);
__u16 num_ext = ntohs(param.p->length) - sizeof(struct sctp_paramhdr);
+ struct net *net = sock_net(asoc->base.sk);
int i;
for (i = 0; i < num_ext; i++) {
@@ -2309,13 +2307,13 @@ int sctp_process_init(struct sctp_association *asoc, struct sctp_chunk *chunk,
struct sctp_init_chunk *peer_init, gfp_t gfp)
{
struct net *net = sock_net(asoc->base.sk);
- union sctp_params param;
struct sctp_transport *transport;
struct list_head *pos, *temp;
- struct sctp_af *af;
+ union sctp_params param;
union sctp_addr addr;
- char *cookie;
+ struct sctp_af *af;
int src_match = 0;
+ char *cookie;
/* We must include the address that the INIT packet came from.
* This is the only address that matters for an INIT packet.
@@ -2499,16 +2497,15 @@ static int sctp_process_param(struct sctp_association *asoc,
gfp_t gfp)
{
struct net *net = sock_net(asoc->base.sk);
- union sctp_addr addr;
- int i;
- __u16 sat;
- int retval = 1;
- enum sctp_scope scope;
- u32 stale;
- struct sctp_af *af;
+ struct sctp_endpoint *ep = asoc->ep;
union sctp_addr_param *addr_param;
struct sctp_transport *t;
- struct sctp_endpoint *ep = asoc->ep;
+ enum sctp_scope scope;
+ union sctp_addr addr;
+ struct sctp_af *af;
+ int retval = 1, i;
+ u32 stale;
+ __u16 sat;
/* We maintain all INIT parameters in network byte order all the
* time. This allows us to not worry about whether the parameters
@@ -2806,22 +2803,20 @@ static struct sctp_chunk *sctp_make_asconf(struct sctp_association *asoc,
*
*/
struct sctp_chunk *sctp_make_asconf_update_ip(struct sctp_association *asoc,
- union sctp_addr *laddr,
- struct sockaddr *addrs,
- int addrcnt,
- __be16 flags)
+ union sctp_addr *laddr,
+ struct sockaddr *addrs,
+ int addrcnt, __be16 flags)
{
+ union sctp_addr_param addr_param;
struct sctp_addip_param param;
- struct sctp_chunk *retval;
- union sctp_addr_param addr_param;
- union sctp_addr *addr;
- void *addr_buf;
- struct sctp_af *af;
- int paramlen = sizeof(param);
- int addr_param_len = 0;
- int totallen = 0;
- int i;
- int del_pickup = 0;
+ int paramlen = sizeof(param);
+ struct sctp_chunk *retval;
+ int addr_param_len = 0;
+ union sctp_addr *addr;
+ int totallen = 0, i;
+ int del_pickup = 0;
+ struct sctp_af *af;
+ void *addr_buf;
/* Get total length of all the address parameters. */
addr_buf = addrs;
@@ -2897,12 +2892,12 @@ struct sctp_chunk *sctp_make_asconf_update_ip(struct sctp_association *asoc,
struct sctp_chunk *sctp_make_asconf_set_prim(struct sctp_association *asoc,
union sctp_addr *addr)
{
+ struct sctp_af *af = sctp_get_af_specific(addr->v4.sin_family);
+ union sctp_addr_param addrparam;
struct sctp_addip_param param;
- struct sctp_chunk *retval;
- int len = sizeof(param);
- union sctp_addr_param addrparam;
- int addrlen;
- struct sctp_af *af = sctp_get_af_specific(addr->v4.sin_family);
+ struct sctp_chunk *retval;
+ int len = sizeof(param);
+ int addrlen;
addrlen = af->to_addr_param(addr, &addrparam);
if (!addrlen)
@@ -2946,9 +2941,9 @@ struct sctp_chunk *sctp_make_asconf_set_prim(struct sctp_association *asoc,
static struct sctp_chunk *sctp_make_asconf_ack(const struct sctp_association *asoc,
__u32 serial, int vparam_len)
{
- struct sctp_addiphdr asconf;
- struct sctp_chunk *retval;
- int length = sizeof(asconf) + vparam_len;
+ struct sctp_addiphdr asconf;
+ struct sctp_chunk *retval;
+ int length = sizeof(asconf) + vparam_len;
/* Create the chunk. */
retval = sctp_make_control(asoc, SCTP_CID_ASCONF_ACK, 0, length,
@@ -2970,10 +2965,10 @@ static void sctp_add_asconf_response(struct sctp_chunk *chunk, __be32 crr_id,
struct sctp_addip_param *asconf_param)
{
struct sctp_addip_param ack_param;
- struct sctp_errhdr err_param;
- int asconf_param_len = 0;
- int err_param_len = 0;
- __be16 response_type;
+ struct sctp_errhdr err_param;
+ int asconf_param_len = 0;
+ int err_param_len = 0;
+ __be16 response_type;
if (SCTP_ERROR_NO_ERROR == err_code) {
response_type = SCTP_PARAM_SUCCESS_REPORT;
@@ -3011,10 +3006,10 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc,
struct sctp_chunk *asconf,
struct sctp_addip_param *asconf_param)
{
+ union sctp_addr_param *addr_param;
struct sctp_transport *peer;
- struct sctp_af *af;
union sctp_addr addr;
- union sctp_addr_param *addr_param;
+ struct sctp_af *af;
addr_param = (void *)asconf_param + sizeof(*asconf_param);
@@ -3142,8 +3137,8 @@ bool sctp_verify_asconf(const struct sctp_association *asoc,
struct sctp_paramhdr **errp)
{
struct sctp_addip_chunk *addip;
- union sctp_params param;
bool addr_param_seen = false;
+ union sctp_params param;
addip = (struct sctp_addip_chunk *)chunk->chunk_hdr;
sctp_walk_params(param, addip, addip_hdr.params) {
@@ -3209,16 +3204,15 @@ bool sctp_verify_asconf(const struct sctp_association *asoc,
struct sctp_chunk *sctp_process_asconf(struct sctp_association *asoc,
struct sctp_chunk *asconf)
{
+ union sctp_addr_param *addr_param;
struct sctp_addip_chunk *addip;
+ struct sctp_chunk *asconf_ack;
bool all_param_pass = true;
+ struct sctp_addiphdr *hdr;
+ int length = 0, chunk_len;
union sctp_params param;
- struct sctp_addiphdr *hdr;
- union sctp_addr_param *addr_param;
- struct sctp_chunk *asconf_ack;
- __be16 err_code;
- int length = 0;
- int chunk_len;
- __u32 serial;
+ __be16 err_code;
+ __u32 serial;
addip = (struct sctp_addip_chunk *)asconf->chunk_hdr;
chunk_len = ntohs(asconf->chunk_hdr->length) -
@@ -3295,12 +3289,12 @@ done:
static void sctp_asconf_param_success(struct sctp_association *asoc,
struct sctp_addip_param *asconf_param)
{
- struct sctp_af *af;
- union sctp_addr addr;
struct sctp_bind_addr *bp = &asoc->base.bind_addr;
union sctp_addr_param *addr_param;
- struct sctp_transport *transport;
struct sctp_sockaddr_entry *saddr;
+ struct sctp_transport *transport;
+ union sctp_addr addr;
+ struct sctp_af *af;
addr_param = (void *)asconf_param + sizeof(*asconf_param);
@@ -3357,10 +3351,10 @@ static __be16 sctp_get_asconf_response(struct sctp_chunk *asconf_ack,
int no_err)
{
struct sctp_addip_param *asconf_ack_param;
- struct sctp_errhdr *err_param;
- int length;
- int asconf_ack_len;
- __be16 err_code;
+ struct sctp_errhdr *err_param;
+ int asconf_ack_len;
+ __be16 err_code;
+ int length;
if (no_err)
err_code = SCTP_ERROR_NO_ERROR;
@@ -3409,15 +3403,15 @@ static __be16 sctp_get_asconf_response(struct sctp_chunk *asconf_ack,
int sctp_process_asconf_ack(struct sctp_association *asoc,
struct sctp_chunk *asconf_ack)
{
- struct sctp_chunk *asconf = asoc->addip_last_asconf;
- union sctp_addr_param *addr_param;
- struct sctp_addip_param *asconf_param;
- int length = 0;
- int asconf_len = asconf->skb->len;
- int all_param_pass = 0;
- int no_err = 1;
- int retval = 0;
- __be16 err_code = SCTP_ERROR_NO_ERROR;
+ struct sctp_chunk *asconf = asoc->addip_last_asconf;
+ struct sctp_addip_param *asconf_param;
+ __be16 err_code = SCTP_ERROR_NO_ERROR;
+ union sctp_addr_param *addr_param;
+ int asconf_len = asconf->skb->len;
+ int all_param_pass = 0;
+ int length = 0;
+ int no_err = 1;
+ int retval = 0;
/* Skip the chunkhdr and addiphdr from the last asconf sent and store
* a pointer to address parameter.
@@ -3544,9 +3538,8 @@ struct sctp_chunk *sctp_make_fwdtsn(const struct sctp_association *asoc,
* \ \
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
-static struct sctp_chunk *sctp_make_reconf(
- const struct sctp_association *asoc,
- int length)
+static struct sctp_chunk *sctp_make_reconf(const struct sctp_association *asoc,
+ int length)
{
struct sctp_reconf_chunk *reconf;
struct sctp_chunk *retval;
@@ -3597,9 +3590,9 @@ static struct sctp_chunk *sctp_make_reconf(
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
struct sctp_chunk *sctp_make_strreset_req(
- const struct sctp_association *asoc,
- __u16 stream_num, __u16 *stream_list,
- bool out, bool in)
+ const struct sctp_association *asoc,
+ __u16 stream_num, __u16 *stream_list,
+ bool out, bool in)
{
struct sctp_strreset_outreq outreq;
__u16 stream_len = stream_num * 2;
@@ -3651,7 +3644,7 @@ struct sctp_chunk *sctp_make_strreset_req(
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
struct sctp_chunk *sctp_make_strreset_tsnreq(
- const struct sctp_association *asoc)
+ const struct sctp_association *asoc)
{
struct sctp_strreset_tsnreq tsnreq;
__u16 length = sizeof(tsnreq);
@@ -3682,8 +3675,8 @@ struct sctp_chunk *sctp_make_strreset_tsnreq(
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
struct sctp_chunk *sctp_make_strreset_addstrm(
- const struct sctp_association *asoc,
- __u16 out, __u16 in)
+ const struct sctp_association *asoc,
+ __u16 out, __u16 in)
{
struct sctp_strreset_addstrm addstrm;
__u16 size = sizeof(addstrm);
@@ -3727,9 +3720,8 @@ struct sctp_chunk *sctp_make_strreset_addstrm(
* | Result |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
-struct sctp_chunk *sctp_make_strreset_resp(
- const struct sctp_association *asoc,
- __u32 result, __u32 sn)
+struct sctp_chunk *sctp_make_strreset_resp(const struct sctp_association *asoc,
+ __u32 result, __u32 sn)
{
struct sctp_strreset_resp resp;
__u16 length = sizeof(resp);
@@ -3764,10 +3756,10 @@ struct sctp_chunk *sctp_make_strreset_resp(
* | Receiver's Next TSN (optional) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
-struct sctp_chunk *sctp_make_strreset_tsnresp(
- struct sctp_association *asoc,
- __u32 result, __u32 sn,
- __u32 sender_tsn, __u32 receiver_tsn)
+struct sctp_chunk *sctp_make_strreset_tsnresp(struct sctp_association *asoc,
+ __u32 result, __u32 sn,
+ __u32 sender_tsn,
+ __u32 receiver_tsn)
{
struct sctp_strreset_resptsn tsnresp;
__u16 length = sizeof(tsnresp);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 11:04:18 +0000