{
struct net *net = sock_net(asoc->base.sk);
struct sctp_endpoint *ep = asoc->ep;
- sctp_inithdr_t init;
+ struct sctp_inithdr init;
union sctp_params addrs;
size_t chunksize;
struct sctp_chunk *retval = NULL;
sctp_supported_ext_param_t ext_param;
int num_ext = 0;
__u8 extensions[3];
- sctp_paramhdr_t *auth_chunks = NULL,
+ struct sctp_paramhdr *auth_chunks = NULL,
*auth_hmacs = NULL;
/* RFC 2960 3.3.2 Initiation (INIT) (1)
chunksize += sizeof(asoc->c.auth_random);
/* Add HMACS parameter length if any were defined */
- auth_hmacs = (sctp_paramhdr_t *)asoc->c.auth_hmacs;
+ auth_hmacs = (struct sctp_paramhdr *)asoc->c.auth_hmacs;
if (auth_hmacs->length)
chunksize += SCTP_PAD4(ntohs(auth_hmacs->length));
else
auth_hmacs = NULL;
/* Add CHUNKS parameter length */
- auth_chunks = (sctp_paramhdr_t *)asoc->c.auth_chunks;
+ auth_chunks = (struct sctp_paramhdr *)asoc->c.auth_chunks;
if (auth_chunks->length)
chunksize += SCTP_PAD4(ntohs(auth_chunks->length));
else
const struct sctp_chunk *chunk,
gfp_t gfp, int unkparam_len)
{
- sctp_inithdr_t initack;
+ struct sctp_inithdr initack;
struct sctp_chunk *retval;
union sctp_params addrs;
struct sctp_sock *sp;
sctp_supported_ext_param_t ext_param;
int num_ext = 0;
__u8 extensions[3];
- sctp_paramhdr_t *auth_chunks = NULL,
+ struct sctp_paramhdr *auth_chunks = NULL,
*auth_hmacs = NULL,
*auth_random = NULL;
chunksize += sizeof(aiparam);
if (asoc->peer.auth_capable) {
- auth_random = (sctp_paramhdr_t *)asoc->c.auth_random;
+ auth_random = (struct sctp_paramhdr *)asoc->c.auth_random;
chunksize += ntohs(auth_random->length);
- auth_hmacs = (sctp_paramhdr_t *)asoc->c.auth_hmacs;
+ auth_hmacs = (struct sctp_paramhdr *)asoc->c.auth_hmacs;
if (auth_hmacs->length)
chunksize += SCTP_PAD4(ntohs(auth_hmacs->length));
else
auth_hmacs = NULL;
- auth_chunks = (sctp_paramhdr_t *)asoc->c.auth_chunks;
+ auth_chunks = (struct sctp_paramhdr *)asoc->c.auth_chunks;
if (auth_chunks->length)
chunksize += SCTP_PAD4(ntohs(auth_chunks->length));
else
struct sctp_chunk *retval;
struct sctp_paramhdr phdr;
- retval = sctp_make_abort(asoc, chunk, sizeof(sctp_errhdr_t) + paylen
- + sizeof(sctp_paramhdr_t));
+ retval = sctp_make_abort(asoc, chunk, sizeof(sctp_errhdr_t) + paylen +
+ sizeof(phdr));
if (!retval)
goto end;
- sctp_init_cause(retval, SCTP_ERROR_PROTO_VIOLATION, paylen
- + sizeof(sctp_paramhdr_t));
+ sctp_init_cause(retval, SCTP_ERROR_PROTO_VIOLATION, paylen +
+ sizeof(phdr));
phdr.type = htons(chunk->chunk_hdr->type);
phdr.length = chunk->chunk_hdr->length;
sctp_addto_chunk(retval, paylen, payload);
- sctp_addto_param(retval, sizeof(sctp_paramhdr_t), &phdr);
+ sctp_addto_param(retval, sizeof(phdr), &phdr);
end:
return retval;
struct sctp_chunk *retval;
static const char error[] = "The following parameter had invalid length:";
size_t payload_len = sizeof(error) + sizeof(sctp_errhdr_t) +
- sizeof(sctp_paramhdr_t);
+ sizeof(*param);
retval = sctp_make_abort(asoc, chunk, payload_len);
if (!retval)
goto nodata;
sctp_init_cause(retval, SCTP_ERROR_PROTO_VIOLATION,
- sizeof(error) + sizeof(sctp_paramhdr_t));
+ sizeof(error) + sizeof(*param));
sctp_addto_chunk(retval, sizeof(error), error);
- sctp_addto_param(retval, sizeof(sctp_paramhdr_t), param);
+ sctp_addto_param(retval, sizeof(*param), param);
nodata:
return retval;
retval->subh.auth_hdr = sctp_addto_chunk(retval, sizeof(sctp_authhdr_t),
&auth_hdr);
- hmac = skb_put(retval->skb, hmac_desc->hmac_len);
- memset(hmac, 0, hmac_desc->hmac_len);
+ hmac = skb_put_zero(retval->skb, hmac_desc->hmac_len);
/* Adjust the chunk header to include the empty MAC */
retval->chunk_hdr->length =
INIT_LIST_HEAD(&retval->transmitted_list);
INIT_LIST_HEAD(&retval->frag_list);
SCTP_DBG_OBJCNT_INC(chunk);
- atomic_set(&retval->refcnt, 1);
+ refcount_set(&retval->refcnt, 1);
nodata:
return retval;
gfp_t gfp)
{
struct sctp_chunk *retval;
- sctp_chunkhdr_t *chunk_hdr;
+ struct sctp_chunkhdr *chunk_hdr;
struct sk_buff *skb;
struct sock *sk;
/* No need to allocate LL here, as this is only a chunk. */
- skb = alloc_skb(SCTP_PAD4(sizeof(sctp_chunkhdr_t) + paylen), gfp);
+ skb = alloc_skb(SCTP_PAD4(sizeof(*chunk_hdr) + paylen), gfp);
if (!skb)
goto nodata;
/* Make room for the chunk header. */
- chunk_hdr = (sctp_chunkhdr_t *)skb_put(skb, sizeof(sctp_chunkhdr_t));
+ chunk_hdr = (struct sctp_chunkhdr *)skb_put(skb, sizeof(*chunk_hdr));
chunk_hdr->type = type;
chunk_hdr->flags = flags;
- chunk_hdr->length = htons(sizeof(sctp_chunkhdr_t));
+ chunk_hdr->length = htons(sizeof(*chunk_hdr));
sk = asoc ? asoc->base.sk : NULL;
retval = sctp_chunkify(skb, asoc, sk, gfp);
}
retval->chunk_hdr = chunk_hdr;
- retval->chunk_end = ((__u8 *)chunk_hdr) + sizeof(struct sctp_chunkhdr);
+ retval->chunk_end = ((__u8 *)chunk_hdr) + sizeof(*chunk_hdr);
/* Determine if the chunk needs to be authenticated */
if (sctp_auth_send_cid(type, asoc))
/* Grab a reference to the chunk. */
void sctp_chunk_hold(struct sctp_chunk *ch)
{
- atomic_inc(&ch->refcnt);
+ refcount_inc(&ch->refcnt);
}
/* Release a reference to the chunk. */
void sctp_chunk_put(struct sctp_chunk *ch)
{
- if (atomic_dec_and_test(&ch->refcnt))
+ if (refcount_dec_and_test(&ch->refcnt))
sctp_chunk_destroy(ch);
}
void *sctp_addto_chunk(struct sctp_chunk *chunk, int len, const void *data)
{
void *target;
- void *padding;
int chunklen = ntohs(chunk->chunk_hdr->length);
int padlen = SCTP_PAD4(chunklen) - chunklen;
- padding = skb_put(chunk->skb, padlen);
- target = skb_put(chunk->skb, len);
-
- memset(padding, 0, padlen);
- memcpy(target, data, len);
+ skb_put_zero(chunk->skb, padlen);
+ target = skb_put_data(chunk->skb, data, len);
/* Adjust the chunk length field. */
chunk->chunk_hdr->length = htons(chunklen + padlen + len);
/* All fragments will be on the same stream */
sid = ntohs(chunk->subh.data_hdr->stream);
- stream = chunk->asoc->stream;
+ stream = &chunk->asoc->stream;
/* Now assign the sequence number to the entire message.
* All fragments must have the same stream sequence number.
/* Header size is static data prior to the actual cookie, including
* any padding.
*/
- headersize = sizeof(sctp_paramhdr_t) +
+ headersize = sizeof(struct sctp_paramhdr) +
(sizeof(struct sctp_signed_cookie) -
sizeof(struct sctp_cookie));
bodysize = sizeof(struct sctp_cookie)
/* Header size is static data prior to the actual cookie, including
* any padding.
*/
- headersize = sizeof(sctp_chunkhdr_t) +
+ headersize = sizeof(struct sctp_chunkhdr) +
(sizeof(struct sctp_signed_cookie) -
sizeof(struct sctp_cookie));
bodysize = ntohs(chunk->chunk_hdr->length) - headersize;
* Report a missing mandatory parameter.
*/
static int sctp_process_missing_param(const struct sctp_association *asoc,
- sctp_param_t paramtype,
+ enum sctp_param paramtype,
struct sctp_chunk *chunk,
struct sctp_chunk **errp)
{
static int sctp_verify_ext_param(struct net *net, union sctp_params param)
{
- __u16 num_ext = ntohs(param.p->length) - sizeof(sctp_paramhdr_t);
+ __u16 num_ext = ntohs(param.p->length) - sizeof(struct sctp_paramhdr);
int have_auth = 0;
int have_asconf = 0;
int i;
union sctp_params param)
{
struct net *net = sock_net(asoc->base.sk);
- __u16 num_ext = ntohs(param.p->length) - sizeof(sctp_paramhdr_t);
+ __u16 num_ext = ntohs(param.p->length) - sizeof(struct sctp_paramhdr);
int i;
for (i = 0; i < num_ext; i++) {
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
union sctp_params param,
- sctp_cid_t cid,
+ enum sctp_cid cid,
struct sctp_chunk *chunk,
struct sctp_chunk **err_chunk)
{
* cause 'Protocol Violation'.
*/
if (SCTP_AUTH_RANDOM_LENGTH !=
- ntohs(param.p->length) - sizeof(sctp_paramhdr_t)) {
+ ntohs(param.p->length) - sizeof(struct sctp_paramhdr)) {
sctp_process_inv_paramlength(asoc, param.p,
chunk, err_chunk);
retval = SCTP_IERROR_ABORT;
goto fallthrough;
hmacs = (struct sctp_hmac_algo_param *)param.p;
- n_elt = (ntohs(param.p->length) - sizeof(sctp_paramhdr_t)) >> 1;
+ n_elt = (ntohs(param.p->length) -
+ sizeof(struct sctp_paramhdr)) >> 1;
/* SCTP-AUTH: Section 6.1
* The HMAC algorithm based on SHA-1 MUST be supported and
/* Verify the INIT packet before we process it. */
int sctp_verify_init(struct net *net, const struct sctp_endpoint *ep,
- const struct sctp_association *asoc, sctp_cid_t cid,
- sctp_init_chunk_t *peer_init, struct sctp_chunk *chunk,
- struct sctp_chunk **errp)
+ const struct sctp_association *asoc, enum sctp_cid cid,
+ struct sctp_init_chunk *peer_init,
+ struct sctp_chunk *chunk, struct sctp_chunk **errp)
{
union sctp_params param;
bool has_cookie = false;
*/
int sctp_process_init(struct sctp_association *asoc, struct sctp_chunk *chunk,
const union sctp_addr *peer_addr,
- sctp_init_chunk_t *peer_init, gfp_t gfp)
+ struct sctp_init_chunk *peer_init, gfp_t gfp)
{
struct net *net = sock_net(asoc->base.sk);
union sctp_params param;
* stream sequence number shall be set to 0.
*/
- if (sctp_stream_init(asoc, gfp))
+ if (sctp_stream_init(&asoc->stream, asoc->c.sinit_num_ostreams,
+ asoc->c.sinit_max_instreams, gfp))
goto clean_up;
if (!asoc->temp && sctp_assoc_set_id(asoc, gfp))
asoc->peer.ipv4_address = 1;
/* Cycle through address types; avoid divide by 0. */
- sat = ntohs(param.p->length) - sizeof(sctp_paramhdr_t);
+ sat = ntohs(param.p->length) - sizeof(struct sctp_paramhdr);
if (sat)
sat /= sizeof(__u16);
case SCTP_PARAM_STATE_COOKIE:
asoc->peer.cookie_len =
- ntohs(param.p->length) - sizeof(sctp_paramhdr_t);
+ ntohs(param.p->length) - sizeof(struct sctp_paramhdr);
asoc->peer.cookie = param.cookie->body;
break;
return false;
length = ntohs(param.addip->param_hdr.length);
if (length < sizeof(sctp_addip_param_t) +
- sizeof(sctp_paramhdr_t))
+ sizeof(**errp))
return false;
break;
case SCTP_PARAM_SUCCESS_REPORT:
int chunk_len;
__u32 serial;
- chunk_len = ntohs(asconf->chunk_hdr->length) - sizeof(sctp_chunkhdr_t);
+ chunk_len = ntohs(asconf->chunk_hdr->length) -
+ sizeof(struct sctp_chunkhdr);
hdr = (sctp_addiphdr_t *)asconf->skb->data;
serial = ntohl(hdr->serial);
err_code = SCTP_ERROR_REQ_REFUSED;
asconf_ack_len = ntohs(asconf_ack->chunk_hdr->length) -
- sizeof(sctp_chunkhdr_t);
+ sizeof(struct sctp_chunkhdr);
/* Skip the addiphdr from the asconf_ack chunk and store a pointer to
* the first asconf_ack parameter.