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Diffstat (limited to 'net/sctp/sm_make_chunk.c')
-rw-r--r--net/sctp/sm_make_chunk.c37
1 files changed, 23 insertions, 14 deletions
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index fd8acb48c3f2..6851ee94e974 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -100,11 +100,11 @@ int sctp_chunk_iif(const struct sctp_chunk *chunk)
*/
static const struct sctp_paramhdr ecap_param = {
SCTP_PARAM_ECN_CAPABLE,
- __constant_htons(sizeof(struct sctp_paramhdr)),
+ cpu_to_be16(sizeof(struct sctp_paramhdr)),
};
static const struct sctp_paramhdr prsctp_param = {
SCTP_PARAM_FWD_TSN_SUPPORT,
- __constant_htons(sizeof(struct sctp_paramhdr)),
+ cpu_to_be16(sizeof(struct sctp_paramhdr)),
};
/* A helper to initialize to initialize an op error inside a
@@ -224,7 +224,9 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
num_ext += 2;
}
- chunksize += sizeof(aiparam);
+ if (sp->adaptation_ind)
+ chunksize += sizeof(aiparam);
+
chunksize += vparam_len;
/* Account for AUTH related parameters */
@@ -304,10 +306,12 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
if (sctp_prsctp_enable)
sctp_addto_chunk(retval, sizeof(prsctp_param), &prsctp_param);
- aiparam.param_hdr.type = SCTP_PARAM_ADAPTATION_LAYER_IND;
- aiparam.param_hdr.length = htons(sizeof(aiparam));
- aiparam.adaptation_ind = htonl(sp->adaptation_ind);
- sctp_addto_chunk(retval, sizeof(aiparam), &aiparam);
+ if (sp->adaptation_ind) {
+ aiparam.param_hdr.type = SCTP_PARAM_ADAPTATION_LAYER_IND;
+ aiparam.param_hdr.length = htons(sizeof(aiparam));
+ aiparam.adaptation_ind = htonl(sp->adaptation_ind);
+ sctp_addto_chunk(retval, sizeof(aiparam), &aiparam);
+ }
/* Add SCTP-AUTH chunks to the parameter list */
if (sctp_auth_enable) {
@@ -332,6 +336,7 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
sctp_inithdr_t initack;
struct sctp_chunk *retval;
union sctp_params addrs;
+ struct sctp_sock *sp;
int addrs_len;
sctp_cookie_param_t *cookie;
int cookie_len;
@@ -366,22 +371,24 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
/* Calculate the total size of allocation, include the reserved
* space for reporting unknown parameters if it is specified.
*/
+ sp = sctp_sk(asoc->base.sk);
chunksize = sizeof(initack) + addrs_len + cookie_len + unkparam_len;
/* Tell peer that we'll do ECN only if peer advertised such cap. */
if (asoc->peer.ecn_capable)
chunksize += sizeof(ecap_param);
- if (sctp_prsctp_enable)
+ if (asoc->peer.prsctp_capable)
chunksize += sizeof(prsctp_param);
- if (sctp_addip_enable) {
+ if (asoc->peer.asconf_capable) {
extensions[num_ext] = SCTP_CID_ASCONF;
extensions[num_ext+1] = SCTP_CID_ASCONF_ACK;
num_ext += 2;
}
- chunksize += sizeof(aiparam);
+ if (sp->adaptation_ind)
+ chunksize += sizeof(aiparam);
if (asoc->peer.auth_capable) {
auth_random = (sctp_paramhdr_t *)asoc->c.auth_random;
@@ -432,10 +439,12 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
if (asoc->peer.prsctp_capable)
sctp_addto_chunk(retval, sizeof(prsctp_param), &prsctp_param);
- aiparam.param_hdr.type = SCTP_PARAM_ADAPTATION_LAYER_IND;
- aiparam.param_hdr.length = htons(sizeof(aiparam));
- aiparam.adaptation_ind = htonl(sctp_sk(asoc->base.sk)->adaptation_ind);
- sctp_addto_chunk(retval, sizeof(aiparam), &aiparam);
+ if (sp->adaptation_ind) {
+ aiparam.param_hdr.type = SCTP_PARAM_ADAPTATION_LAYER_IND;
+ aiparam.param_hdr.length = htons(sizeof(aiparam));
+ aiparam.adaptation_ind = htonl(sp->adaptation_ind);
+ sctp_addto_chunk(retval, sizeof(aiparam), &aiparam);
+ }
if (asoc->peer.auth_capable) {
sctp_addto_chunk(retval, ntohs(auth_random->length),