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path: root/net/sctp/sm_make_chunk.c
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Diffstat (limited to 'net/sctp/sm_make_chunk.c')
-rw-r--r--net/sctp/sm_make_chunk.c524
1 files changed, 259 insertions, 265 deletions
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 6110447fe51d..ca8f196b6c6c 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -69,7 +69,8 @@ static struct sctp_chunk *sctp_make_data(const struct sctp_association *asoc,
static struct sctp_chunk *_sctp_make_chunk(const struct sctp_association *asoc,
__u8 type, __u8 flags, int paylen,
gfp_t gfp);
-static sctp_cookie_param_t *sctp_pack_cookie(const struct sctp_endpoint *ep,
+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,
@@ -131,17 +132,17 @@ 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)
{
- sctp_errhdr_t err;
+ struct sctp_errhdr err;
__u16 len;
/* Cause code constants are now defined in network order. */
err.cause = cause_code;
- len = sizeof(sctp_errhdr_t) + paylen;
+ len = sizeof(err) + paylen;
err.length = htons(len);
- chunk->subh.err_hdr = sctp_addto_chunk(chunk, sizeof(sctp_errhdr_t), &err);
+ chunk->subh.err_hdr = sctp_addto_chunk(chunk, sizeof(err), &err);
}
/* A helper to initialize an op error inside a
@@ -150,21 +151,21 @@ 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)
{
- sctp_errhdr_t err;
+ struct sctp_errhdr err;
__u16 len;
/* Cause code constants are now defined in network order. */
err.cause = cause_code;
- len = sizeof(sctp_errhdr_t) + paylen;
+ len = sizeof(err) + paylen;
err.length = htons(len);
if (skb_tailroom(chunk->skb) < len)
return -ENOSPC;
- chunk->subh.err_hdr = sctp_addto_chunk_fixed(chunk,
- sizeof(sctp_errhdr_t),
- &err);
+
+ chunk->subh.err_hdr = sctp_addto_chunk_fixed(chunk, sizeof(err), &err);
+
return 0;
}
/* 3.3.2 Initiation (INIT) (1)
@@ -212,32 +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;
- sctp_supported_addrs_param_t sat;
+ __u8 extensions[4];
+ size_t chunksize;
__be16 types[2];
- sctp_adaptation_ind_param_t aiparam;
- sctp_supported_ext_param_t 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);
@@ -305,8 +305,7 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
/* If we have any extensions to report, account for that */
if (num_ext)
- chunksize += SCTP_PAD4(sizeof(sctp_supported_ext_param_t) +
- num_ext);
+ chunksize += SCTP_PAD4(sizeof(ext_param) + num_ext);
/* RFC 2960 3.3.2 Initiation (INIT) (1)
*
@@ -348,10 +347,8 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
*/
if (num_ext) {
ext_param.param_hdr.type = SCTP_PARAM_SUPPORTED_EXT;
- ext_param.param_hdr.length =
- htons(sizeof(sctp_supported_ext_param_t) + num_ext);
- sctp_addto_chunk(retval, sizeof(sctp_supported_ext_param_t),
- &ext_param);
+ ext_param.param_hdr.length = htons(sizeof(ext_param) + num_ext);
+ sctp_addto_chunk(retval, sizeof(ext_param), &ext_param);
sctp_addto_param(retval, num_ext, extensions);
}
@@ -382,26 +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;
- sctp_cookie_param_t *cookie;
- int cookie_len;
+ __u8 extensions[4];
size_t chunksize;
- sctp_adaptation_ind_param_t aiparam;
- sctp_supported_ext_param_t 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);
@@ -468,8 +463,7 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
}
if (num_ext)
- chunksize += SCTP_PAD4(sizeof(sctp_supported_ext_param_t) +
- num_ext);
+ chunksize += SCTP_PAD4(sizeof(ext_param) + num_ext);
/* Now allocate and fill out the chunk. */
retval = sctp_make_control(asoc, SCTP_CID_INIT_ACK, 0, chunksize, gfp);
@@ -495,10 +489,8 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
sctp_addto_chunk(retval, sizeof(ecap_param), &ecap_param);
if (num_ext) {
ext_param.param_hdr.type = SCTP_PARAM_SUPPORTED_EXT;
- ext_param.param_hdr.length =
- htons(sizeof(sctp_supported_ext_param_t) + num_ext);
- sctp_addto_chunk(retval, sizeof(sctp_supported_ext_param_t),
- &ext_param);
+ ext_param.param_hdr.length = htons(sizeof(ext_param) + num_ext);
+ sctp_addto_chunk(retval, sizeof(ext_param), &ext_param);
sctp_addto_param(retval, num_ext, extensions);
}
if (asoc->peer.prsctp_capable)
@@ -567,11 +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;
@@ -619,7 +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;
@@ -664,15 +656,15 @@ 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;
- sctp_cwrhdr_t cwr;
+ struct sctp_cwrhdr cwr;
cwr.lowest_tsn = htonl(lowest_tsn);
retval = sctp_make_control(asoc, SCTP_CID_ECN_CWR, 0,
- sizeof(sctp_cwrhdr_t), GFP_ATOMIC);
+ sizeof(cwr), GFP_ATOMIC);
if (!retval)
goto nodata;
@@ -699,14 +691,14 @@ 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;
- sctp_ecnehdr_t ecne;
+ struct sctp_ecnehdr ecne;
ecne.lowest_tsn = htonl(lowest_tsn);
retval = sctp_make_control(asoc, SCTP_CID_ECN_ECNE, 0,
- sizeof(sctp_ecnehdr_t), GFP_ATOMIC);
+ sizeof(ecne), GFP_ATOMIC);
if (!retval)
goto nodata;
retval->subh.ecne_hdr =
@@ -720,9 +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;
@@ -760,15 +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);
@@ -862,15 +854,15 @@ nodata:
struct sctp_chunk *sctp_make_shutdown(const struct sctp_association *asoc,
const struct sctp_chunk *chunk)
{
+ struct sctp_shutdownhdr shut;
struct sctp_chunk *retval;
- sctp_shutdownhdr_t shut;
__u32 ctsn;
ctsn = sctp_tsnmap_get_ctsn(&asoc->peer.tsn_map);
shut.cum_tsn_ack = htonl(ctsn);
retval = sctp_make_control(asoc, SCTP_CID_SHUTDOWN, 0,
- sizeof(sctp_shutdownhdr_t), GFP_ATOMIC);
+ sizeof(shut), GFP_ATOMIC);
if (!retval)
goto nodata;
@@ -884,7 +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;
@@ -907,8 +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;
@@ -941,8 +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;
@@ -978,14 +970,15 @@ 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;
- retval = sctp_make_abort(asoc, chunk, sizeof(sctp_errhdr_t)
- + sizeof(tsn));
+ retval = sctp_make_abort(asoc, chunk,
+ sizeof(struct sctp_errhdr) + sizeof(tsn));
if (!retval)
goto no_mem;
@@ -1020,7 +1013,8 @@ struct sctp_chunk *sctp_make_abort_user(const struct sctp_association *asoc,
void *payload = NULL;
int err;
- retval = sctp_make_abort(asoc, NULL, sizeof(sctp_errhdr_t) + paylen);
+ retval = sctp_make_abort(asoc, NULL,
+ sizeof(struct sctp_errhdr) + paylen);
if (!retval)
goto err_chunk;
@@ -1058,8 +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);
@@ -1077,16 +1071,16 @@ 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;
- retval = sctp_make_abort(asoc, chunk, sizeof(sctp_errhdr_t) + paylen +
- sizeof(phdr));
+ retval = sctp_make_abort(asoc, chunk, sizeof(struct sctp_errhdr) +
+ paylen + sizeof(phdr));
if (!retval)
goto end;
@@ -1103,14 +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(sctp_errhdr_t) +
+ 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)
@@ -1126,12 +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(sctp_errhdr_t);
+ size_t payload_len = sizeof(error) + sizeof(struct sctp_errhdr);
+ struct sctp_chunk *retval;
retval = sctp_make_abort(asoc, chunk, payload_len);
if (!retval)
@@ -1146,10 +1140,10 @@ nodata:
/* Make a HEARTBEAT chunk. */
struct sctp_chunk *sctp_make_heartbeat(const struct sctp_association *asoc,
- const struct sctp_transport *transport)
+ const struct sctp_transport *transport)
{
+ struct sctp_sender_hb_info hbinfo;
struct sctp_chunk *retval;
- sctp_sender_hb_info_t hbinfo;
retval = sctp_make_control(asoc, SCTP_CID_HEARTBEAT, 0,
sizeof(hbinfo), GFP_ATOMIC);
@@ -1158,7 +1152,7 @@ struct sctp_chunk *sctp_make_heartbeat(const struct sctp_association *asoc,
goto nodata;
hbinfo.param_hdr.type = SCTP_PARAM_HEARTBEAT_INFO;
- hbinfo.param_hdr.length = htons(sizeof(sctp_sender_hb_info_t));
+ hbinfo.param_hdr.length = htons(sizeof(hbinfo));
hbinfo.daddr = transport->ipaddr;
hbinfo.sent_at = jiffies;
hbinfo.hb_nonce = transport->hb_nonce;
@@ -1175,8 +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;
@@ -1207,14 +1202,15 @@ 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;
retval = sctp_make_control(asoc, SCTP_CID_ERROR, 0,
- sizeof(sctp_errhdr_t) + size, GFP_ATOMIC);
+ sizeof(struct sctp_errhdr) + size,
+ GFP_ATOMIC);
if (!retval)
goto nodata;
@@ -1240,8 +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;
@@ -1253,9 +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;
@@ -1274,9 +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 */
@@ -1285,16 +1281,16 @@ struct sctp_chunk *sctp_make_auth(const struct sctp_association *asoc)
return NULL;
retval = sctp_make_control(asoc, SCTP_CID_AUTH, 0,
- hmac_desc->hmac_len + sizeof(sctp_authhdr_t),
- GFP_ATOMIC);
+ hmac_desc->hmac_len + sizeof(auth_hdr),
+ GFP_ATOMIC);
if (!retval)
return NULL;
auth_hdr.hmac_id = htons(hmac_desc->hmac_id);
auth_hdr.shkey_id = htons(asoc->active_key_id);
- retval->subh.auth_hdr = sctp_addto_chunk(retval, sizeof(sctp_authhdr_t),
- &auth_hdr);
+ retval->subh.auth_hdr = sctp_addto_chunk(retval, sizeof(auth_hdr),
+ &auth_hdr);
hmac = skb_put_zero(retval->skb, hmac_desc->hmac_len);
@@ -1322,8 +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;
@@ -1375,11 +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;
@@ -1473,9 +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);
@@ -1528,11 +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;
@@ -1577,12 +1572,12 @@ 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;
struct sk_buff *skb;
- sctp_scope_t scope;
/* Create the bare association. */
scope = sctp_scope(sctp_source(chunk));
@@ -1601,14 +1596,15 @@ nodata:
/* Build a cookie representing asoc.
* This INCLUDES the param header needed to put the cookie in the INIT ACK.
*/
-static sctp_cookie_param_t *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)
+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)
{
- sctp_cookie_param_t *retval;
struct sctp_signed_cookie *cookie;
+ struct sctp_cookie_param *retval;
int headersize, bodysize;
/* Header size is static data prior to the actual cookie, including
@@ -1692,19 +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;
+ enum sctp_scope scope;
unsigned int len;
- sctp_scope_t scope;
- struct sk_buff *skb = chunk->skb;
ktime_t kt;
/* Header size is static data prior to the actual cookie, including
@@ -1976,8 +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++) {
@@ -2007,10 +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++) {
@@ -2067,10 +2063,11 @@ static void sctp_process_ext_param(struct sctp_association *asoc,
* SCTP_IERROR_ERROR - stop and report an error.
* SCTP_IERROR_NOMEME - out of memory.
*/
-static sctp_ierror_t sctp_process_unk_param(const struct sctp_association *asoc,
- union sctp_params param,
- struct sctp_chunk *chunk,
- struct sctp_chunk **errp)
+static enum sctp_ierror sctp_process_unk_param(
+ const struct sctp_association *asoc,
+ union sctp_params param,
+ struct sctp_chunk *chunk,
+ struct sctp_chunk **errp)
{
int retval = SCTP_IERROR_NO_ERROR;
@@ -2119,13 +2116,13 @@ static sctp_ierror_t sctp_process_unk_param(const struct sctp_association *asoc,
* SCTP_IERROR_ERROR - stop processing, trigger an ERROR
* SCTP_IERROR_NO_ERROR - continue with the chunk
*/
-static sctp_ierror_t sctp_verify_param(struct net *net,
- const struct sctp_endpoint *ep,
- const struct sctp_association *asoc,
- union sctp_params param,
- enum sctp_cid cid,
- struct sctp_chunk *chunk,
- struct sctp_chunk **err_chunk)
+static enum sctp_ierror sctp_verify_param(struct net *net,
+ const struct sctp_endpoint *ep,
+ const struct sctp_association *asoc,
+ union sctp_params param,
+ enum sctp_cid cid,
+ struct sctp_chunk *chunk,
+ struct sctp_chunk **err_chunk)
{
struct sctp_hmac_algo_param *hmacs;
int retval = SCTP_IERROR_NO_ERROR;
@@ -2310,13 +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.
@@ -2500,16 +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;
- sctp_scope_t 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
@@ -2617,7 +2613,7 @@ do_addr_param:
if (!net->sctp.addip_enable)
goto fall_through;
- addr_param = param.v + sizeof(sctp_addip_param_t);
+ addr_param = param.v + sizeof(struct sctp_addip_param);
af = sctp_get_af_specific(param_type2af(addr_param->p.type));
if (af == NULL)
@@ -2754,7 +2750,7 @@ static struct sctp_chunk *sctp_make_asconf(struct sctp_association *asoc,
union sctp_addr *addr,
int vparam_len)
{
- sctp_addiphdr_t asconf;
+ struct sctp_addiphdr asconf;
struct sctp_chunk *retval;
int length = sizeof(asconf) + vparam_len;
union sctp_addr_param addrparam;
@@ -2807,22 +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)
-{
- sctp_addip_param_t 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;
+ union sctp_addr *laddr,
+ struct sockaddr *addrs,
+ int addrcnt, __be16 flags)
+{
+ union sctp_addr_param addr_param;
+ struct sctp_addip_param param;
+ 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;
@@ -2898,12 +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)
{
- sctp_addip_param_t 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_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);
+ int addrlen;
addrlen = af->to_addr_param(addr, &addrparam);
if (!addrlen)
@@ -2947,9 +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)
{
- sctp_addiphdr_t 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,
@@ -2967,13 +2961,14 @@ static struct sctp_chunk *sctp_make_asconf_ack(const struct sctp_association *as
/* Add response parameters to an ASCONF_ACK chunk. */
static void sctp_add_asconf_response(struct sctp_chunk *chunk, __be32 crr_id,
- __be16 err_code, sctp_addip_param_t *asconf_param)
+ __be16 err_code,
+ struct sctp_addip_param *asconf_param)
{
- sctp_addip_param_t ack_param;
- sctp_errhdr_t err_param;
- int asconf_param_len = 0;
- int err_param_len = 0;
- __be16 response_type;
+ struct sctp_addip_param ack_param;
+ 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;
@@ -3008,15 +3003,15 @@ static void sctp_add_asconf_response(struct sctp_chunk *chunk, __be32 crr_id,
/* Process a asconf parameter. */
static __be16 sctp_process_asconf_param(struct sctp_association *asoc,
- struct sctp_chunk *asconf,
- sctp_addip_param_t *asconf_param)
+ 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(sctp_addip_param_t);
+ addr_param = (void *)asconf_param + sizeof(*asconf_param);
if (asconf_param->param_hdr.type != SCTP_PARAM_ADD_IP &&
asconf_param->param_hdr.type != SCTP_PARAM_DEL_IP &&
@@ -3141,10 +3136,11 @@ bool sctp_verify_asconf(const struct sctp_association *asoc,
struct sctp_chunk *chunk, bool addr_param_needed,
struct sctp_paramhdr **errp)
{
- sctp_addip_chunk_t *addip = (sctp_addip_chunk_t *) chunk->chunk_hdr;
- union sctp_params param;
+ struct sctp_addip_chunk *addip;
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) {
size_t length = ntohs(param.p->length);
@@ -3153,7 +3149,7 @@ bool sctp_verify_asconf(const struct sctp_association *asoc,
case SCTP_PARAM_ERR_CAUSE:
break;
case SCTP_PARAM_IPV4_ADDRESS:
- if (length != sizeof(sctp_ipv4addr_param_t))
+ if (length != sizeof(struct sctp_ipv4addr_param))
return false;
/* ensure there is only one addr param and it's in the
* beginning of addip_hdr params, or we reject it.
@@ -3163,7 +3159,7 @@ bool sctp_verify_asconf(const struct sctp_association *asoc,
addr_param_seen = true;
break;
case SCTP_PARAM_IPV6_ADDRESS:
- if (length != sizeof(sctp_ipv6addr_param_t))
+ if (length != sizeof(struct sctp_ipv6addr_param))
return false;
if (param.v != addip->addip_hdr.params)
return false;
@@ -3176,13 +3172,13 @@ bool sctp_verify_asconf(const struct sctp_association *asoc,
if (addr_param_needed && !addr_param_seen)
return false;
length = ntohs(param.addip->param_hdr.length);
- if (length < sizeof(sctp_addip_param_t) +
+ if (length < sizeof(struct sctp_addip_param) +
sizeof(**errp))
return false;
break;
case SCTP_PARAM_SUCCESS_REPORT:
case SCTP_PARAM_ADAPTATION_LAYER_IND:
- if (length != sizeof(sctp_addip_param_t))
+ if (length != sizeof(struct sctp_addip_param))
return false;
break;
default:
@@ -3208,24 +3204,24 @@ bool sctp_verify_asconf(const struct sctp_association *asoc,
struct sctp_chunk *sctp_process_asconf(struct sctp_association *asoc,
struct sctp_chunk *asconf)
{
- sctp_addip_chunk_t *addip = (sctp_addip_chunk_t *) asconf->chunk_hdr;
+ 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;
- sctp_addiphdr_t *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) -
sizeof(struct sctp_chunkhdr);
- hdr = (sctp_addiphdr_t *)asconf->skb->data;
+ hdr = (struct sctp_addiphdr *)asconf->skb->data;
serial = ntohl(hdr->serial);
/* Skip the addiphdr and store a pointer to address parameter. */
- length = sizeof(sctp_addiphdr_t);
+ length = sizeof(*hdr);
addr_param = (union sctp_addr_param *)(asconf->skb->data + length);
chunk_len -= length;
@@ -3291,16 +3287,16 @@ done:
/* Process a asconf parameter that is successfully acked. */
static void sctp_asconf_param_success(struct sctp_association *asoc,
- sctp_addip_param_t *asconf_param)
+ 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(sctp_addip_param_t);
+ addr_param = (void *)asconf_param + sizeof(*asconf_param);
/* We have checked the packet before, so we do not check again. */
af = sctp_get_af_specific(param_type2af(addr_param->p.type));
@@ -3351,14 +3347,14 @@ static void sctp_asconf_param_success(struct sctp_association *asoc,
* specific success indication is present for the parameter.
*/
static __be16 sctp_get_asconf_response(struct sctp_chunk *asconf_ack,
- sctp_addip_param_t *asconf_param,
- int no_err)
+ struct sctp_addip_param *asconf_param,
+ int no_err)
{
- sctp_addip_param_t *asconf_ack_param;
- sctp_errhdr_t *err_param;
- int length;
- int asconf_ack_len;
- __be16 err_code;
+ struct sctp_addip_param *asconf_ack_param;
+ struct sctp_errhdr *err_param;
+ int asconf_ack_len;
+ __be16 err_code;
+ int length;
if (no_err)
err_code = SCTP_ERROR_NO_ERROR;
@@ -3371,9 +3367,9 @@ static __be16 sctp_get_asconf_response(struct sctp_chunk *asconf_ack,
/* Skip the addiphdr from the asconf_ack chunk and store a pointer to
* the first asconf_ack parameter.
*/
- length = sizeof(sctp_addiphdr_t);
- asconf_ack_param = (sctp_addip_param_t *)(asconf_ack->skb->data +
- length);
+ length = sizeof(struct sctp_addiphdr);
+ asconf_ack_param = (struct sctp_addip_param *)(asconf_ack->skb->data +
+ length);
asconf_ack_len -= length;
while (asconf_ack_len > 0) {
@@ -3382,7 +3378,7 @@ static __be16 sctp_get_asconf_response(struct sctp_chunk *asconf_ack,
case SCTP_PARAM_SUCCESS_REPORT:
return SCTP_ERROR_NO_ERROR;
case SCTP_PARAM_ERR_CAUSE:
- length = sizeof(sctp_addip_param_t);
+ length = sizeof(*asconf_ack_param);
err_param = (void *)asconf_ack_param + length;
asconf_ack_len -= length;
if (asconf_ack_len > 0)
@@ -3407,20 +3403,20 @@ 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;
- sctp_addip_param_t *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.
*/
- length = sizeof(sctp_addip_chunk_t);
+ length = sizeof(struct sctp_addip_chunk);
addr_param = (union sctp_addr_param *)(asconf->skb->data + length);
asconf_len -= length;
@@ -3436,7 +3432,7 @@ int sctp_process_asconf_ack(struct sctp_association *asoc,
* failures are indicated, then all request(s) are considered
* successful.
*/
- if (asconf_ack->skb->len == sizeof(sctp_addiphdr_t))
+ if (asconf_ack->skb->len == sizeof(struct sctp_addiphdr))
all_param_pass = 1;
/* Process the TLVs contained in the last sent ASCONF chunk. */
@@ -3542,9 +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;
@@ -3595,9 +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;
@@ -3649,7 +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);
@@ -3680,8 +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);
@@ -3725,9 +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);
@@ -3762,10 +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 2.39.0) at 2024-11-02 17:22:59 +0300