summaryrefslogtreecommitdiff
path: root/net/sctp/sm_make_chunk.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/sctp/sm_make_chunk.c')
-rw-r--r--net/sctp/sm_make_chunk.c25
1 files changed, 9 insertions, 16 deletions
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 5a9783c38de1..f4876291bb5e 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -77,6 +77,8 @@ static int sctp_process_param(struct sctp_association *asoc,
union sctp_params param,
const union sctp_addr *peer_addr,
gfp_t gfp);
+static void *sctp_addto_param(struct sctp_chunk *chunk, int len,
+ const void *data);
/* What was the inbound interface for this chunk? */
int sctp_chunk_iif(const struct sctp_chunk *chunk)
@@ -207,11 +209,7 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
chunksize = sizeof(init) + addrs_len + SCTP_SAT_LEN(num_types);
chunksize += sizeof(ecap_param);
- if (sctp_prsctp_enable) {
- chunksize += sizeof(prsctp_param);
- extensions[num_ext] = SCTP_CID_FWD_TSN;
- num_ext += 1;
- }
+
/* ADDIP: Section 4.2.7:
* An implementation supporting this extension [ADDIP] MUST list
* the ASCONF,the ASCONF-ACK, and the AUTH chunks in its INIT and
@@ -243,7 +241,7 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
if (auth_chunks->length)
chunksize += ntohs(auth_chunks->length);
else
- auth_hmacs = NULL;
+ auth_chunks = NULL;
extensions[num_ext] = SCTP_CID_AUTH;
num_ext += 1;
@@ -297,7 +295,7 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
htons(sizeof(sctp_supported_ext_param_t) + num_ext);
sctp_addto_chunk(retval, sizeof(sctp_supported_ext_param_t),
&ext_param);
- sctp_addto_chunk(retval, num_ext, extensions);
+ sctp_addto_param(retval, num_ext, extensions);
}
if (sctp_prsctp_enable)
@@ -371,20 +369,12 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
if (asoc->peer.ecn_capable)
chunksize += sizeof(ecap_param);
- /* Tell peer that we'll do PR-SCTP only if peer advertised. */
- if (asoc->peer.prsctp_capable) {
- chunksize += sizeof(prsctp_param);
- extensions[num_ext] = SCTP_CID_FWD_TSN;
- num_ext += 1;
- }
-
if (sctp_addip_enable) {
extensions[num_ext] = SCTP_CID_ASCONF;
extensions[num_ext+1] = SCTP_CID_ASCONF_ACK;
num_ext += 2;
}
- chunksize += sizeof(ext_param) + num_ext;
chunksize += sizeof(aiparam);
if (asoc->peer.auth_capable) {
@@ -407,6 +397,9 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
num_ext += 1;
}
+ if (num_ext)
+ chunksize += sizeof(sctp_supported_ext_param_t) + num_ext;
+
/* Now allocate and fill out the chunk. */
retval = sctp_make_chunk(asoc, SCTP_CID_INIT_ACK, 0, chunksize);
if (!retval)
@@ -428,7 +421,7 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
htons(sizeof(sctp_supported_ext_param_t) + num_ext);
sctp_addto_chunk(retval, sizeof(sctp_supported_ext_param_t),
&ext_param);
- sctp_addto_chunk(retval, num_ext, extensions);
+ sctp_addto_param(retval, num_ext, extensions);
}
if (asoc->peer.prsctp_capable)
sctp_addto_chunk(retval, sizeof(prsctp_param), &prsctp_param);